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de Oliveira Raphaelli C, Guerra D, dos Santos Pereira E, da Rocha Vinholes J, Camargo TM, Schwarz SF, da Silva MAS, Vizzotto M, da Rosa Zavareze E, Nora L. Fruits, seeds and leaves of guabijuzeiro ( Myrcianthes pungens (O. Berg) D. Legrand): characteristics, uses and health benefits. J Food Sci Technol 2024; 61:1035-1052. [PMID: 38562604 PMCID: PMC10981653 DOI: 10.1007/s13197-023-05822-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 03/28/2023] [Accepted: 08/20/2023] [Indexed: 04/02/2024]
Abstract
Native fruit trees have potential for use in the food and pharmaceutical industries, which is widely used in folk medicine. Guabiju, known as guabijuzeiro (Myrcianthes pungens (O. Berg) D. Legrand) is a perennial tree that belongs to the family Myrtaceae, occurring in Brazil from São Paulo to Rio Grande do Sul, and other countries like Uruguay, Bolivia, Paraguay and Argentina. This species demonstrates great commercial potential regarding the consumption of its fresh fruit or industrialized. Due to its importance is necessary to develop studies aimed at characterization (phenotypic, propagative, reproductive, chemical and nutritional), uses and applications. However, the available information has never been systematized and in this sense the objective of this review is to compile information about the species to guide further research. Regarding morphology, the guabijuzeiro is a semi-deciduous tree species, with propagation is carried out mainly through seeds and vegetative. Regarding reproductive aspects, there is a lack of studies that assess the mode of reproduction. The fruit can be consumed fresh or processed as ice cream, juice, freeze-dried or dehydrated. It is sweet and slightly acidic, low in calories, high in carbohydrates, essential fatty acids, calcium and potassium. Both the fruit, the seed and the leaves have high levels of bioactive compounds and high antioxidant capacity. The fruit pulp stands out for its carotenoids and phenolic compounds and the peel is rich in anthocyanins, especially in the mature phase, in addition to terpenoids. M. pungens has antimicrobial effects, gastroprotective activity and is promising in the prevention of neurodegenerative diseases and against the side effects of cisplatin, an anticancer agent. Finally, there is a need for further studies with this species, mainly in the characterization of the leaves, uses and applications of the fruit.
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Affiliation(s)
- Chirle de Oliveira Raphaelli
- Departamento de Ciência E Tecnologia Agroindustrial, Faculdade de Agronomia Eliseu Maciel, Universidade Federal de Pelotas, Avenida Eliseu Maciel, S/N, Capão Do Leão, RS 96160-000 Brazil
| | - Divanilde Guerra
- Universidade Estadual Do Rio Grande Do Sul, Unidade Três Passos, Três Passos, RS Brasil
| | - Elisa dos Santos Pereira
- Departamento de Ciência E Tecnologia Agroindustrial, Faculdade de Agronomia Eliseu Maciel, Universidade Federal de Pelotas, Avenida Eliseu Maciel, S/N, Capão Do Leão, RS 96160-000 Brazil
| | | | - Taiane Mota Camargo
- Departamento de Ciência E Tecnologia Agroindustrial, Faculdade de Agronomia Eliseu Maciel, Universidade Federal de Pelotas, Avenida Eliseu Maciel, S/N, Capão Do Leão, RS 96160-000 Brazil
| | - Sergio Francisco Schwarz
- Departamento de Horticultura E Silvicultura, Faculdade de Agronomia, Universidade Federal Do Rio Grande Do Sul, Porto Alegre, RS Brazil
| | - Magnólia Aparecida Silva da Silva
- Departamento de Horticultura E Silvicultura, Faculdade de Agronomia, Universidade Federal Do Rio Grande Do Sul, Porto Alegre, RS Brazil
| | | | - Elessandra da Rosa Zavareze
- Departamento de Ciência E Tecnologia Agroindustrial, Faculdade de Agronomia Eliseu Maciel, Universidade Federal de Pelotas, Avenida Eliseu Maciel, S/N, Capão Do Leão, RS 96160-000 Brazil
| | - Leonardo Nora
- Departamento de Ciência E Tecnologia Agroindustrial, Faculdade de Agronomia Eliseu Maciel, Universidade Federal de Pelotas, Avenida Eliseu Maciel, S/N, Capão Do Leão, RS 96160-000 Brazil
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Santos-Silva T, Colodete DAE, Lisboa JRF, Silva Freitas Í, Lopes CFB, Hadera V, Lima TSA, Souza AJ, Gomes FV. Perineuronal nets as regulators of parvalbumin interneuron function: Factors implicated in their formation and degradation. Basic Clin Pharmacol Toxicol 2024; 134:614-628. [PMID: 38426366 DOI: 10.1111/bcpt.13994] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Revised: 01/12/2024] [Accepted: 02/12/2024] [Indexed: 03/02/2024]
Abstract
The brain extracellular matrix (ECM) has garnered increasing attention as a fundamental component of brain function in a predominantly "neuron-centric" paradigm. Particularly, the perineuronal nets (PNNs), a specialized net-like structure formed by ECM aggregates, play significant roles in brain development and physiology. PNNs enwrap synaptic junctions in various brain regions, precisely balancing new synaptic formation and long-term stabilization, and are highly dynamic entities that change in response to environmental stimuli, especially during the neurodevelopmental period. They are found mainly surrounding parvalbumin (PV)-expressing GABAergic interneurons, being proposed to promote PV interneuron maturation and protect them against oxidative stress and neurotoxic agents. This structural and functional proximity underscores the crucial role of PNNs in modulating PV interneuron function, which is critical for the excitatory/inhibitory balance and, consequently, higher-level behaviours. This review delves into the molecular underpinnings governing PNNs formation and degradation, elucidating their functional interactions with PV interneurons. In the broader physiological context and brain-related disorders, we also explore their intricate relationship with other molecules, such as reactive oxygen species and metalloproteinases, as well as glial cells. Additionally, we discuss potential therapeutic strategies for modulating PNNs in brain disorders.
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Affiliation(s)
- Thamyris Santos-Silva
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | - Debora A E Colodete
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | | | - Ícaro Silva Freitas
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | - Caio Fábio Baeta Lopes
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | - Victor Hadera
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | - Thaís Santos Almeida Lima
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | - Adriana Jesus Souza
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | - Felipe V Gomes
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
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Oliveira AMS, de Souza Batista D, de Castro TN, Alves IA, Souto RB, Mota MD, Serafini MR, Rajkumar G, Cazedey ECL. The use of natural extracts with photoprotective activity: a 2015-2023 patent prospection. Photochem Photobiol Sci 2024:10.1007/s43630-024-00559-w. [PMID: 38613600 DOI: 10.1007/s43630-024-00559-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Accepted: 03/05/2024] [Indexed: 04/15/2024]
Abstract
Synthetic sunscreen offers protection against excessive exposure to ultraviolet (UV) radiation from the sun, and protects the skin from possible damage. However, they have low efficacy against the formation of reactive oxygen species (ROS), which are highly reactive molecules that can be generated in the skin when it is exposed to UV radiation, and are known to play a role in oxidative stress, which can contribute to skin aging and damage. Thus, there is an ongoing search for sunscreens that do not have these negative effects. One promising source for these is natural products. Therefore, the current patent review summarizes topical formulations made from natural compounds that have antioxidant properties and can be used as photoprotective or anti-aging agents, either using a single natural extract or a combination of extracts. The review reports basic patent information (applicant country, type of applicant, and year of filing) and gives details about the invention, including its chemical composition, and the in vitro and in vivo tests performed. These patents describe natural products that can be used to protect the skin and validate their efficacy, and safety, in addition to standardizing their formulations. The compositions described illustrate the consistent innovation in the use of natural products to protect against UV damage and photoaging disorders, a promising field which is receiving growing global recognition.
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Affiliation(s)
- Ana Maria Santos Oliveira
- Postgraduate Program in Pharmaceutical Sciences, Department of Pharmacy, Federal University of Sergipe, São Cristóvão, Sergipe, Brazil.
| | - Daniel de Souza Batista
- Postgraduate Program in Pharmaceutical Sciences, Department of Life Sciences, State University of Bahia, Salvador, Bahia, Brazil
| | - Tailaine Nascimento de Castro
- Postgraduate Program in Pharmaceutical Sciences, Department of Life Sciences, State University of Bahia, Salvador, Bahia, Brazil
| | - Izabel Almeida Alves
- Postgraduate Program in Pharmaceutical Sciences, Department of Life Sciences, State University of Bahia, Salvador, Bahia, Brazil
- Department of Medicines, Faculty of Pharmacy, Federal University of Bahia, Salvador, Bahia, Brazil
| | - Ricardo Bizogne Souto
- Department of Medicines, Faculty of Pharmacy, Federal University of Bahia, Salvador, Bahia, Brazil
| | - Milleno Dantas Mota
- Postgraduate Program in Pharmaceutical Sciences, Department of Life Sciences, State University of Bahia, Salvador, Bahia, Brazil
| | - Mairim Russo Serafini
- Postgraduate Program in Pharmaceutical Sciences, Department of Pharmacy, Federal University of Sergipe, São Cristóvão, Sergipe, Brazil
| | - Gomathi Rajkumar
- Department of Botany, Sri Sarada College for Women (Autonomous), Periyar University, Salem, India
| | - Edith Cristina Laignier Cazedey
- Postgraduate Program in Pharmaceutical Sciences, Department of Life Sciences, State University of Bahia, Salvador, Bahia, Brazil
- Department of Medicines, Faculty of Pharmacy, Federal University of Bahia, Salvador, Bahia, Brazil
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Sacramento AG, Sartori L, Fontana H, Fuga B, Esposito F, Alfaro CS, Ruiz R, Zanella RC, Sellera FP, Lincopan N. Healthcare-associated vanA-positive Enterococcus faecium clone ST612 emerging as pathogen of companion animals in Brazil. J Antimicrob Chemother 2024; 79:926-928. [PMID: 38271199 DOI: 10.1093/jac/dkae010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2024] Open
Affiliation(s)
- Andrey G Sacramento
- Department of Microbiology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil
| | - Luciana Sartori
- Department of Pathology, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, Brazil
- Microbiology Sector, Provet Diagnostic Center, São Paulo, Brazil
| | - Herrison Fontana
- Department of Clinical Analysis, School of Pharmacy, University of São Paulo, São Paulo, Brazil
| | - Bruna Fuga
- Department of Microbiology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil
- Department of Clinical Analysis, School of Pharmacy, University of São Paulo, São Paulo, Brazil
| | - Fernanda Esposito
- Department of Clinical Analysis, School of Pharmacy, University of São Paulo, São Paulo, Brazil
| | | | - Regina Ruiz
- Microbiology Sector, Provet Diagnostic Center, São Paulo, Brazil
| | | | - Fábio P Sellera
- School of Veterinary Medicine, Metropolitan University of Santos, Santos, Brazil
- Department of Internal Medicine, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, Brazil
| | - Nilton Lincopan
- Department of Microbiology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil
- Department of Clinical Analysis, School of Pharmacy, University of São Paulo, São Paulo, Brazil
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de Souza Sampaio R, Brito Pereira Bezerra Martins AO, Santos da Silva LY, Torres Pessoa DR, Ribeiro-Filho J, de Araújo Delmondes G, Bezerra Felipe CF, Alencar de Menezes IR, Kerntopf MR. Topical Antiedematogenic Activity of the Essential Oil of Psidium brownianum Mart. (OEPB) in Murine Ear Edema Models. Chem Biodivers 2024; 21:e202400187. [PMID: 38429232 DOI: 10.1002/cbdv.202400187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2024] [Revised: 03/01/2024] [Accepted: 03/01/2024] [Indexed: 03/03/2024]
Abstract
Psidium brownianum Mart is reported in the literature by antinociceptive and antioxidant activities, indicating that this species' secondary metabolites might be used to control inflammatory processes. The present study aimed to characterize the topical antiedematogenic activity of the essential oil of Psidium brownianum Mart. (OEPB) in ear edema models by different inflammatory agents. Female Swiss mice (25-35 g) and Wistar albino rats (200-300 g) were used throughout tests (n=6/group) on acute or chronic edema models induced by single and multiple topical applications. The OEPB is administered topically pure or at a concentration of 100 or 200 mg/mL. The antiedematogenic mechanism of OEPB was analyzed by administering capsaicin, arachidonic acid, histamine, and phenol at the best effective dose (200 mg/mL). The results showed a significant reduction of edema-induced single (28.87 %) and multiple (50.13 %) applications of croton oil compared to the negative control group. Regarding potential mechanisms of action, OEPB (200 mg/mL) inhibited the development of edema triggered by capsaicin (29.95 %), arachidonic acid (22.66 %), phenol (23.35 %), and histamine (75.46 %), suggesting an interference with the histaminergic pathway. These results indicate that OEPB presents a topical antiedematogenic effect in acute and chronic murine models, possibly interfering with inflammatory pathways triggered by mediators such as histamine.
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Affiliation(s)
- Renata de Souza Sampaio
- Laboratory of Pharmacology and Molecular Chemistry (LFQM), Department of Biological Chemistry, Regional University of Cariri (URCA), 63105-000, Crato, CE, Brazil
| | | | - Lucas Yure Santos da Silva
- Laboratory of Pharmacology and Molecular Chemistry (LFQM), Department of Biological Chemistry, Regional University of Cariri (URCA), 63105-000, Crato, CE, Brazil
| | - Dra Renata Torres Pessoa
- Laboratory of Pharmacology and Molecular Chemistry (LFQM), Department of Biological Chemistry, Regional University of Cariri (URCA), 63105-000, Crato, CE, Brazil
| | - Jaime Ribeiro-Filho
- Oswaldo Cruz Foundation (Fiocruz), Fiocruz Ceará, 60180-900, Eusébio, CE, Brazil
| | - Gyllyandeson de Araújo Delmondes
- Natural Products Pharmacology Laboratory, Department of Biological Chemistry, Regional University of Cariri (URCA), 63105-000, Crato, CE, Brazil
| | - Cícero Francisco Bezerra Felipe
- Molecular Biology Departament, Federal University of Paraiba (UFPB), Campus I - Jardim Cidade Universitária, 58059-900, João Pessoa, PB, Brazil
| | - Irwin Rose Alencar de Menezes
- Laboratory of Pharmacology and Molecular Chemistry (LFQM), Department of Biological Chemistry, Regional University of Cariri (URCA), 63105-000, Crato, CE, Brazil
| | - Marta Regina Kerntopf
- Laboratory of Pharmacology and Molecular Chemistry (LFQM), Department of Biological Chemistry, Regional University of Cariri (URCA), 63105-000, Crato, CE, Brazil
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Rosa DS, Oliveira SADS, Souza RDFS, de França CA, Pires IC, Tavares MRS, de Oliveira HP, da Silva Júnior FAG, Moreira MAS, de Barros M, de Menezes GB, Antunes MM, Azevedo VADC, Naue CR, da Costa MM. Antimicrobial and antibiofilm activity of highly soluble polypyrrole against methicillin-resistant Staphylococcus aureus. J Appl Microbiol 2024; 135:lxae072. [PMID: 38503568 DOI: 10.1093/jambio/lxae072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 03/13/2024] [Accepted: 03/18/2024] [Indexed: 03/21/2024]
Abstract
AIMS The purpose was to evaluate the antimicrobial activity of highly soluble polypyrrole (Hs-PPy), alone or combined with oxacillin, as well as its antibiofilm potential against methicillin-resistant Staphylococcus aureus strains. Furthermore, the in silico inhibitory mechanism in efflux pumps was also investigated. METHODS AND RESULTS Ten clinical isolates of methicillin-resistant Staphylococcus aureus (MRSA) and two reference strains were used. Antimicrobial activity was determined by broth microdilution, and the combination effect with oxacillin was evaluated by the checkerboard assay. The biofilm formation capacity of MRSA and the interference of Hs-PPy were evaluated. The inhibitory action of Hs-PPy on the efflux pump was evaluated in silico through molecular docking. Hs-PPy showed activity against the isolates, with inhibitory action between 62.5 and 125 µg ml-1 and bactericidal action at 62.5 µg ml-1, as well as synergism in association with oxacillin. The isolates ranged from moderate to strong biofilm producers, and Hs-PPy interfered with the formation of this structure, but not with mature biofilm. There was no in silico interaction with the efflux protein EmrD, the closest homolog to NorA. CONCLUSIONS Hs-PPy interferes with biofilm formation by MRSA, has synergistic potential, and is an efflux pump inhibitor.
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Affiliation(s)
- Danillo Sales Rosa
- Universidade Federal do Vale do São Francisco, Petrolina, Pernambuco 56300-000, Brazil
| | | | | | | | | | | | | | | | | | - Mariana de Barros
- Universidade Federal de Viçosa, Viçosa, Minas Gerais 36570-900, Brazil
| | | | - Maísa Mota Antunes
- Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais 31270-901, Brazil
| | | | - Carine Rosa Naue
- Hospital Universitário da Universidade Federal do Vale do São Francisco, Petrolina, Pernambuco 56304-205, Brazil
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Martins K, Niella Y, Albuquerque F, Eduardo LN, Oliveira P, Travassos P. Feeding behavior of yellowfin tuna around two insular regions of the western Atlantic Ocean. J Fish Biol 2024; 104:1112-1121. [PMID: 38174622 DOI: 10.1111/jfb.15646] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Revised: 10/27/2023] [Accepted: 12/11/2023] [Indexed: 01/05/2024]
Abstract
The yellowfin tuna is a very abundant tropical tuna species in the western equatorial Atlantic Ocean and an important fishery resource for the Brazilian tuna fleet. In this study we performed stable isotope analysis to better understand the spatial trophodynamics and dietary changes in yellowfin tuna around two insular marine protected areas in Brazil. A total of 65 yellowfin tuna specimens measuring between 47 and 138 cm LT (total length) were sampled around the archipelagos of Fernando de Noronha (FNA; n = 34) and Saint Peter and Saint Paul (SPSPA; n = 31) between July 2018 and September 2019. Bayesian mixing models and generalized additive models were used to investigate the contributions of four different prey items (zooplankton, cephalopods, fish larvae, and flying fish) to yellowfin tuna diet in each area and their potential changes in relation to predator growth. The four prey items were found to have different overall contributions between the two studied areas, with zooplankton being the most important prey in FNA, whereas flying fish was the most relevant prey to the species' diet in SPSPA. Significant changes in the species diet by size were also found, with fish smaller than 90 cm (TL) having a more generalist diet and larger animals relying more on consuming larger and more nutritious prey (i.e., flying fish). Our results suggest that these two marine protected areas play an important role in ocean dynamics, providing important and different foraging grounds for the development of this predator species.
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Affiliation(s)
- Karla Martins
- Laboratório de Ecologia Marinha, Universidade Federal Rural de Pernambuco, Recife, Brazil
| | - Yuri Niella
- School of Natural Sciences, Macquarie University, Sydney, Australia
| | - Fernanda Albuquerque
- Laboratório de Etologia de Peixes, Universidade Federal Rural de Pernambuco, Recife, Brazil
| | | | - Paulo Oliveira
- Laboratório de Etologia de Peixes, Universidade Federal Rural de Pernambuco, Recife, Brazil
| | - Paulo Travassos
- Laboratório de Ecologia Marinha, Universidade Federal Rural de Pernambuco, Recife, Brazil
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Leite MDL, Topocov TN, de Oliveira TL, Almeida DDS, Mota Ortiz SR, da Silva JC. Obstetric and neonatal outcomes, antiseizure medication profile, and seizure types in pregnant women in a vulnerability state from Brazil. PLoS One 2024; 19:e0291190. [PMID: 38558080 PMCID: PMC10984515 DOI: 10.1371/journal.pone.0291190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Accepted: 08/24/2023] [Indexed: 04/04/2024] Open
Abstract
This retrospective cohort study described the obstetric and neonatal outcomes, antiseizure medication (ASM) use, and types of seizures in pregnant women with epilepsy (PWWE). Data collected from the medical records of 224 PWWE aged < 40 years with controlled or refractory seizures and 492 pregnant women without epilepsy (PWNE) control group from high-risk maternity hospitals in Alagoas between 2008 and 2021 were included in this study. The obstetric and neonatal outcomes observed in PWWE were pregnancy-related hypertension (PrH) (18.4%), oligohydramnios (10.3%), stillbirth (6.4%), vaginal bleeding (6%), preeclampsia (4.7%), and polyhydramnios (3%). There was a greater likelihood of PrH in PWWE with generalized tonic-clonic seizures (GTCS) and that of maternal intensive care unit (ICU) admissions in those with GTCS and status epilepticus, and phenytoin and lamotrigine use. PWWE with GTCS had a higher risk of stillbirth and premature delivery. PWWE with status epilepticus were treated with lamotrigine. Phenobarbital (PB) with diazepam were commonly used in GTCS and status epilepticus. Total 14% patients did not use ASM, while 50.2% used monotherapy and 35.8% used polytherapy. Total 60.9% of patients used PB and 25.2% used carbamazepine. This study described the association between the adverse obstetric and neonatal outcomes and severe seizure types in PWWE.
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Affiliation(s)
- Magnúcia de Lima Leite
- Universidade Estadual de Ciências da Saúde Alagoas (UNCISAL), Maceió, AL, Brazil
- Universidade de São Paulo (USP), São Paulo, SP, Brazil
| | | | | | | | - Sandra Regina Mota Ortiz
- Universidade Municipal de São Caetano do Sul (USCS), São Paulo, SP, Brazil
- Universidade São Judas Tadeu (USJT), São Paulo, SP, Brazil
| | - José Claudio da Silva
- Faculdade de Medicina do Centro Universitário(CESMAC), Maceió, AL, Brazil
- PPGSF/RENASF/FIOCRUZ/UNCISAL, Maceió, AL, Brazil
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Vasconcelos ADO, Bedoya-Pacheco SJ, Cunha E Silva RR, Magalhães MDAFM, de Sá TPSO, Dias CMG, Meneguete PS, de Almeida PMP, Pimentel MIF. Spatial-temporal distribution of visceral leishmaniasis in Rio de Janeiro, Brazil, 2001-2020: expansion and challenges. Trans R Soc Trop Med Hyg 2024:trae009. [PMID: 38517304 DOI: 10.1093/trstmh/trae009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Revised: 12/13/2023] [Accepted: 02/29/2024] [Indexed: 03/23/2024] Open
Abstract
BACKGROUND Visceral leishmaniasis results from complex interactions among humans, dogs and environment. Brazil accounts for 97% of cases in the Americas. METHODS Twenty years (2001-2020) of the endemic disease in the state of Rio de Janeiro were studied. Incidence, lethality, sociodemographic and clinical characteristics were investigated, complemented with spatial methodologies (kernel and clusters). RESULTS Ninety-seven human cases and 625 dogs were reported. Of the 92 cities, 22 were human endemic areas. The state had a low incidence level (0.6 per 100 000). Lethality was higher compared with the Brazilian average. More than 90% of infections occurred in urban areas. Most cases (66%) occurred in men. The predominant age groups were 0-4 y (28.7%) and 20-39 y (32.9%). Fever (89.5%), splenomegaly (83.2%) and hepatomegaly (76.8%) were the main clinical manifestations. Spatial analysis showed a displacement of the human endemic: in the first decade (2001-2010), cases were concentrated in the Metropolitan region, and in the second decade (2011-2020) in the Médio Paraíba region of the state. Most of the endemic area (56.4%) had canine infections without reported human cases. CONCLUSIONS Disorderly urbanisation and precarious living conditions favour the transmission of the disease. Changes in the environment and migratory processes contribute to its expansion.
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Affiliation(s)
- Alex de O Vasconcelos
- Laboratório de Pesquisa Clínica e Vigilância em Leishmanioses, Instituto Nacional de Infectologia Evandro Chagas, Fundação Oswaldo Cruz, Av. Brasil, 4365, Manguinhos, Rio de Janeiro, CEP: 21040-900, RJ, Brazil
| | - Sandro J Bedoya-Pacheco
- Departamento de Epidemiologia e Métodos Quantitativos em Saúde, Escola Nacional de Saúde Pública Sérgio Arouca, Fundação Oswaldo Cruz, Rua Leopoldo Bulhões, 1480, Manguinhos, Rio de Janeiro, CEP: 21041-210, RJ, Brazil
| | - Rafael R Cunha E Silva
- Laboratório de Pesquisa Clínica e Vigilância em Leishmanioses, Instituto Nacional de Infectologia Evandro Chagas, Fundação Oswaldo Cruz, Av. Brasil, 4365, Manguinhos, Rio de Janeiro, CEP: 21040-900, RJ, Brazil
| | - Mônica de A F M Magalhães
- Instituto de Comunicação e Informação Científica e Técnológica em Saúde, Fundação Oswaldo Cruz, Av. Brasil 4365, Pavilhão Haity Moussatché, Manguinhos, Rio de Janeiro, CEP 21040-900, RJ, Brazil
| | - Tayana P S O de Sá
- Laboratório de Pesquisa Clínica e Vigilância em Leishmanioses, Instituto Nacional de Infectologia Evandro Chagas, Fundação Oswaldo Cruz, Av. Brasil, 4365, Manguinhos, Rio de Janeiro, CEP: 21040-900, RJ, Brazil
| | - Cristina M G Dias
- Secretaria de Estado de Saúde do Rio de Janeiro, Rua México 128 sala 420, Rio de Janeiro, CEP: 20031-142, RJ, Brazil
| | - Patrícia S Meneguete
- Secretaria de Estado de Saúde do Rio de Janeiro, Rua México 128 sala 420, Rio de Janeiro, CEP: 20031-142, RJ, Brazil
| | - Paula M P de Almeida
- Secretaria de Estado de Saúde do Rio de Janeiro, Rua México 128 sala 420, Rio de Janeiro, CEP: 20031-142, RJ, Brazil
| | - Maria Inês F Pimentel
- Laboratório de Pesquisa Clínica e Vigilância em Leishmanioses, Instituto Nacional de Infectologia Evandro Chagas, Fundação Oswaldo Cruz, Av. Brasil, 4365, Manguinhos, Rio de Janeiro, CEP: 21040-900, RJ, Brazil
- Instituto de Comunicação e Informação Científica e Técnológica em Saúde, Fundação Oswaldo Cruz, Av. Brasil 4365, Pavilhão Haity Moussatché, Manguinhos, Rio de Janeiro, CEP 21040-900, RJ, Brazil
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Souza IEL, Fernandes FF, Panunto-Castelo A. Recombinant 60-kDa heat shock protein from Paracoccidioides brasiliensis induces the death of mouse lymphocytes in a mechanism dependent on Toll-like receptor 4 and tumor necrosis factor. PLoS One 2024; 19:e0300364. [PMID: 38512915 PMCID: PMC10956883 DOI: 10.1371/journal.pone.0300364] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Accepted: 02/23/2024] [Indexed: 03/23/2024] Open
Abstract
Paracoccidioides fungi are thermodimorphic microorganisms that cause paracoccidioidomycosis (PCM), an autochthonous disease from Latin America, with most cases in Brazil. Humans become infected by inhaling conidia or mycelial fragments that transform into yeast at body temperature. These fungi cause chronic-granulomatous inflammation, which may promote fibrosis and parenchyma destruction in the lungs. In response to stress imposed by the host, fungi Paracoccidioides spp. increase the expression of heat shock proteins (HSP), which protect them by sustaining cellular proteostasis. Our group has studied the role of HSP60 in PCM, and previous data show that the recombinant HSP60 (rHSP60) has a deleterious effect when used in a single dose as therapy for experimental PCM. Here, we investigated the mechanism by which rHSP60 could worsen the disease. We found that rHSP60 caused the viability loss of splenic or lymph node cells from both immunized and non-immunized mice, including in splenic T lymphocytes under polyclonal stimulation with concanavalin A, probably by undergoing apoptosis. Among analyzed splenic cells, lymphocytes were indeed the main cells to die. When we investigated the death mechanisms, remarkably, we found that there was no viability loss in rHSP60-stimulated splenic cells from mice deficient in Toll-like receptor 4, TRIF adapter protein, and TNF receptor 1(TNFR1), as well as rHSP60-stimulated WT cells incubated with anti-TNF antibody. Besides, caspase-8 inhibitor IETD-CHO blocked the rHSP60 effect on splenic cells, suggesting that rHSP60 induces the extrinsic apoptosis pathway dependent on signaling via TLR4/TRIF and TNFR1.
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Affiliation(s)
- Igor Emiliano L. Souza
- Graduate Program in Basic and Applied Immunology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Fabrício F. Fernandes
- Federal Institute of Education, Science and Technology of Mato Grosso, Campus Sorriso, Sorriso, State of Mato Grosso, Brazil
| | - Ademilson Panunto-Castelo
- Graduate Program in Basic and Applied Immunology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
- Department of Biology, Faculty of Philosophy, Sciences and Letters at Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
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de M Gonçalves M, Totini CH, De Castro EV, Albuquerque V, Antar GM, Tempone AG, Lago JHG. Lignans Isolated from Piper truncatum Act as New Potent Antitrypanosomal Compounds. Chem Biodivers 2024:e202400547. [PMID: 38507773 DOI: 10.1002/cbdv.202400547] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2024] [Revised: 03/19/2024] [Accepted: 03/20/2024] [Indexed: 03/22/2024]
Abstract
The hexane extract from twigs of Piper truncatum Vell (Piperaceae) displayed activity against Trypanosoma cruzi and was subjected to chromatographic steps to afford six dibenzylbutyrolactolic lignans, being four knowns: cubebin (1), (-)-9α-O-methylcubebin (2), (+)-9β-O-methylcubebinin (3) and 3,4-dimethoxy-3,4-demethylenedioxycubebin (4) as well as two new, named truncatin A (5) and B (6). Initially, in vitro activity against trypomastigotes was evaluated and compounds 1, 4 and 6 exhibited EC50 values of 41.6, 21.0 and 39.6 μM, respectively. However, when tested against amastigotes, the relevant clinical form in the chronic phase of Chagas disease, compounds 1-6 displayed activities with EC50 values ranging from 1.6 to 13.7 μM. In addition, the mammalian cytotoxicity of compounds 1-6 was evaluated against murine fibroblasts (NCTC). Compounds 2, 3 and 4 exhibited reduced toxicity against NCTC cells (CC50>200 μM), resulting in SI values of>21.9,>14.5 and>121.9, respectively. Compound 4 showed the highest potency with an SI value twice superior to that determined by the standard drug benznidazole (SI>54.6) against the intracellular amastigotes. These data suggest that lignan 4 can be considered a possible scaffold for designing a new drug candidate for Chagas disease.
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Affiliation(s)
- Marina de M Gonçalves
- Center for Natural and Human Sciences, Federal University of ABC, 09210-580, Santo Andre, SP, Brazil
| | - Carlos H Totini
- Center for Natural and Human Sciences, Federal University of ABC, 09210-580, Santo Andre, SP, Brazil
| | | | | | - Guilherme M Antar
- Department of Agricultural and Biological Sciences, Federal University of Espirito Santo, 29932-540, São Matheus, ES, Brazil
| | | | - João Henrique G Lago
- Center for Natural and Human Sciences, Federal University of ABC, 09210-580, Santo Andre, SP, Brazil
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Niella RV, Corrêa JMX, dos Santos JFR, Lima LF, Marques CSDC, Santos LC, Santana LR, Silva ÁJC, Farias KS, Pirovani CP, Silva JF, de Lavor MSL. Post-treatment with maropitant reduces oxidative stress, endoplasmic reticulum stress and neuroinflammation on peripheral nerve injury in rats. PLoS One 2024; 19:e0287390. [PMID: 38507417 PMCID: PMC10954158 DOI: 10.1371/journal.pone.0287390] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Accepted: 06/05/2023] [Indexed: 03/22/2024] Open
Abstract
OBJECTIVE To determine the effective dose and therapeutic potential of maropitant using through expression of mediators of oxidative stress, inflammatory and of the unfolded protein response (UPR) (bio) markers on spinal cord using a model of neuropathic pain induced through chronic constriction injury (CCI) in rats. STUDY DESIGN Randomized, blinded, prospective experimental study. ANIMALS 98 male Wistar rats. METHODS Rats were anesthetized with sevoflurane and after CCI, they were randomly assigned to the following groups that received: vehicle, 3, 6, 15, 30 e 50 mg/kg/24q of maropitant. The effect on inflammatory mediators (IL10, TNFα), oxidative stress (GPx, CAT, SOD), microglial (IBA-1) and neuronal (NeuN, TACR1) markers was evaluated though immunohistochemistry and expression levels of markers of hypoxia (HIF1α, Nrf2), antioxidant enzymes (Catalse, Sod1 and GPx1), and endoplasmic reticulum stress mediators (GRP78, CHOP and PERK) through qRT-PCR. RESULTS Intraperitoneal injection (IP) of maropitant inhibited nociception with ID50 values of 4,1 mg/kg (5,85-19,36) in a neuropathic pain model through CCI. A dose of 30 mg/kg/24q was significantly effective in reducing mechanical allodynia 1 to 4h after treatment with nociception inhibition (145,83%). A reduction in the expression of hypoxia factors (HIF1α, Nrf2) was observed, along with an increase in antioxidant activity (CAT, SOD and GPX). Additionally, there was a reduction in inflammatory markes (IL10, TNFα), microglial (IBA-1), and neuronal markers (NeuN, TACR1). CONCLUSION AND CLINICAL RELEVANCE These findings demonstrate that the determined dose, administered daily for seven days, had an antinociceptive effect, as well as anti-inflammatory and antioxidant activity.
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Affiliation(s)
- Raquel Vieira Niella
- Department of Agricultural and Environmental Sciences, State University of Santa Cruz, Ilhéus, Brazil
| | | | | | - Larissa Ferreira Lima
- Department of Agricultural and Environmental Sciences, State University of Santa Cruz, Ilhéus, Brazil
| | | | | | - Larissa Rodrigues Santana
- Department of Agricultural and Environmental Sciences, State University of Santa Cruz, Ilhéus, Brazil
| | - Álvaro José Chávez Silva
- Department of Agricultural and Environmental Sciences, State University of Santa Cruz, Ilhéus, Brazil
| | - Keilane Silva Farias
- Department of Biological Sciences, State University of Santa Cruz, Ilhéus, Brazil
| | | | - Juneo Freitas Silva
- Department of Biological Sciences, State University of Santa Cruz, Ilhéus, Brazil
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de Souza RNC, Sánchez Uzcátegui YDV, Silveira FT, Vasconcelos Dos Santos T. Assessment of light-emitting diodes for sampling phlebotomines (Diptera: Psychodidae) from an urban park of the Brazilian Amazon. J Med Entomol 2024; 61:498-503. [PMID: 38157321 DOI: 10.1093/jme/tjad165] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Revised: 11/27/2023] [Accepted: 12/05/2023] [Indexed: 01/03/2024]
Abstract
The present study aimed to assess different light sources for sampling phlebotomines (Diptera: Psychodidae) from Bosque Rodrigues Alves, a forested park surrounded by the urban area of Belém in the Brazilian Amazon. Centers for Disease Control traps, baited with blue, green, and warm white light-emitting diodes (LEDs), as test group, and incandescent light, as control group, were used. The electromagnetic spectra and luminous intensities of the light sources were characterized. Fractional vegetation cover at each sampling site was also estimated. Abundance, richness, rarefaction curves, Shannon and Simpson diversity indices, phlebotomines/trap/hour, and phlebotomines/trap/night were estimated and compared. The light sources of the test group presented greater luminous intensity than the control, but were similar to each other. There were no differences in vegetation cover at each site. A total of 1,346 phlebotomines comprising 11 species were sampled. The most abundant species were as follows: Nyssomyia antunesi (Coutinho, 1939), Trichophoromyia ubiquitalis (Mangabeira, 1942), Bichromomyia flaviscutellata (Mangabeira, 1942), and Th. brachipyga (Mangabeira, 1942). Light traps with LEDs had richness, abundance, and Shannon diversity indices similar to those obtained with incandescent light. The warm white LED had a higher Simpson's index than the other light sources. Phlebotomine responses to incandescent light were similar to those to LEDs in most analyses, confirming the applicability of these light sources as alternative devices for entomological surveillance. Low consumption ensures greater autonomy of the traps, providing better operability during fieldwork.
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Affiliation(s)
| | - Yetsenia Del Valle Sánchez Uzcátegui
- Seção de Parasitologia, Instituto Evandro Chagas, Ananindeua, Pará State, Brazil
- Programa de Pós Graduação em Biologia de Agentes Infecciosos e Parasitários, Instituto de Ciências Biológicas, Universidade Federal do Pará, Belém, Pará State, Brazil
- Departamento de Biología, Faculdad de Ciencias, Universidad de Los Andes, Mérida, Venezuela
| | | | - Thiago Vasconcelos Dos Santos
- Seção de Parasitologia, Instituto Evandro Chagas, Ananindeua, Pará State, Brazil
- Programa de Pós Graduação em Biologia de Agentes Infecciosos e Parasitários, Instituto de Ciências Biológicas, Universidade Federal do Pará, Belém, Pará State, Brazil
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14
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Prodel E, Souza R, Divino B, Rocha HNM, Rocha NG, Nobrega ACL. Hyperaemia during dynamic handgrip exercise is preserved in healthy young subjects after recovery from COVID-19. Exp Physiol 2024. [PMID: 38460126 DOI: 10.1113/ep091656] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Accepted: 02/28/2024] [Indexed: 03/11/2024]
Abstract
We sought to investigate possible impaired hyperaemia during dynamic handgrip exercise (HGE) in young healthy individuals who had recovered from COVID-19. We tested the vascular function in individuals recovered from COVID-19 using a nitric oxide donor (i.e., sodium nitroprusside; SNP), which could revert a possible impaired endothelial function during HGE. Further, we tested whether individuals who recovered from COVID-19 would present exaggerated brachial vascular resistance under an adrenergic agonist (i.e., phenylephrine; PHE) stimuli during HGE. Participants were distributed into two groups: healthy controls (Control; men: n = 6, 30 ± 3 years, 26 ± 1 kg/m2 ; and women: n = 5, 25 ± 1 years, 25 ± 1 kg/m2 ) and subjects recovered from COVID-19 (post-COVID; men: n = 6, 29 ± 3 years, 25 ± 1 kg/m2 ; and women: n = 10, 32 ± 4 years, 22 ± 1 kg/m2 ). Participants in the post-COVID group tested positive (RT-PCR) 12-14 weeks before the protocol. Heart rate (HR), brachial blood pressure (BP), brachial blood flow (BBF) and vascular conductance (BVC) at rest were not different between groups. The HGE increased HR (Control: Δ9 ± 0.4 bpm; and post-COVID: Δ11 ± 0.4 bpm) and BP (Control: Δ6 ± 1 mmHg; and post-COVID: Δ12 ± 0.6 mmHg) in both groups. Likewise, BBF (Control: Δ632 ± 38 ml/min; and post-COVID: Δ620 ± 27 ml/min) and BVC (Control: Δ6.6 ± 0.4 ml/min/mmHg; and post-COVID: Δ6.1 ± 0.3 ml/min/mmHg) increased during HGE. SNP did not change HGE-induced hyperaemia but did decrease BP, which induced a reflex-related increase in HR. PHE infusion also did not change the HGE-induced hyperaemia but raised BP and reduced HR. In conclusion, exercise-induced hyperaemia is preserved in healthy young subjects 12-14 weeks after recovery from COVID-19 infection.
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Affiliation(s)
- Eliza Prodel
- Laboratory of Exercise Science, Department of Physiology and Pharmacology, Fluminense Federal University, Niterói, Brazil
| | - Roberto Souza
- Laboratory of Exercise Science, Department of Physiology and Pharmacology, Fluminense Federal University, Niterói, Brazil
| | - Beatriz Divino
- Laboratory of Exercise Science, Department of Physiology and Pharmacology, Fluminense Federal University, Niterói, Brazil
| | - Helena N M Rocha
- Laboratory of Exercise Science, Department of Physiology and Pharmacology, Fluminense Federal University, Niterói, Brazil
- Laboratory of Integrative Cardiometabology, Department of Physiology and Pharmacology, Fluminense Federal University, Niterói, Brazil
| | - Natalia G Rocha
- Laboratory of Exercise Science, Department of Physiology and Pharmacology, Fluminense Federal University, Niterói, Brazil
- Laboratory of Integrative Cardiometabology, Department of Physiology and Pharmacology, Fluminense Federal University, Niterói, Brazil
| | - Antonio C L Nobrega
- Laboratory of Exercise Science, Department of Physiology and Pharmacology, Fluminense Federal University, Niterói, Brazil
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Melo LIDS, Matias de Oliveira RE, Freitas Caetano de Sousa AC, de Oliveira RM, Lima MA, Fragoso ABL, Silva FJDL, Attademo FLN, Luna FDO, Pereira AF, de Oliveira MF. Antillean manatee (Trichechus manatus manatus Linnaeus, 1758) Tongue Morphology and Adaptive Herbivorous Implications. Microsc Microanal 2024; 30:160-168. [PMID: 38123367 DOI: 10.1093/micmic/ozad135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/08/2023] [Revised: 10/31/2023] [Accepted: 11/24/2023] [Indexed: 12/23/2023]
Abstract
Morphological study of the tongue is an interesting way of understanding evolutionary processes associated with feeding habits. Therefore, the aim of the present study was to describe the tongue morphology of the Antillean manatee and to understand possible morphological relationships with its way of capturing food. Macroscopic dissections and light and scanning electron microscopy analyses of seven manatee tongues were performed. The tongue in Antillean manatees is a muscular and robust organ, divided into apex, body, and root. It is firmly adhered to the floor of the oral cavity. Lingual papillae were distributed over the entire tongue surface. They were identified as filiform papillae concentrated in the apex. Fungiform papillae were present on the apex and lateral regions. Foliate papillae were located on the dorsolateral portion of the root. Lentiform papillae were located across the dorsal tongue surface. The mucosa was lined by a keratinized stratified squamous epithelium presenting compound tubuloacinar glands and taste buds in the foliate papillae. The tongue of the Antillean manatee is similar to other Sirenia species, both of which share a completely herbivorous diet.
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Affiliation(s)
- Lucas Inácio Dos Santos Melo
- Postgraduate Program in Animal Science, Department of Biosciences, Biological and Health Sciences Center, Federal University of the Semi-Arid Region (UFERSA), Avenida Francisco Mota, 572, Bairro Costa e Silva, Mossoró, Rio Grande do Norte, 59625-900, Brazil
- National Center for Research and Conservation of Aquatic Mammals by Chico Mendes Institute for Biodiversity Conservation (CMA/ICMBio), Alexandre Herculano, 197, bairro Gonzaga, Santos, São Paulo, 11050-031, Brazil
| | - Radan Elvis Matias de Oliveira
- Postgraduate Program in Animal Science, Department of Biosciences, Biological and Health Sciences Center, Federal University of the Semi-Arid Region (UFERSA), Avenida Francisco Mota, 572, Bairro Costa e Silva, Mossoró, Rio Grande do Norte, 59625-900, Brazil
- Center for Environmental Studies and Monitoring (CEMAM), Rua Jorge Caminha, 118, bairro Centro, Areia Branca, Rio Grande do Norte, 59655-000, Brazil
- Cetáceos da Costa Branca Project, University of the State of Rio Grande do Norte (PCCB-UERN), Almino Afonso, 478, Mossoró, Rio Grande do Norte, 59610-210, Brazil
| | - Ana Caroline Freitas Caetano de Sousa
- Postgraduate Program in Animal Science, Department of Biosciences, Biological and Health Sciences Center, Federal University of the Semi-Arid Region (UFERSA), Avenida Francisco Mota, 572, Bairro Costa e Silva, Mossoró, Rio Grande do Norte, 59625-900, Brazil
| | - Rysónely Maclay de Oliveira
- Postgraduate Program in Animal Science, Department of Biosciences, Biological and Health Sciences Center, Federal University of the Semi-Arid Region (UFERSA), Avenida Francisco Mota, 572, Bairro Costa e Silva, Mossoró, Rio Grande do Norte, 59625-900, Brazil
- Cetáceos da Costa Branca Project, University of the State of Rio Grande do Norte (PCCB-UERN), Almino Afonso, 478, Mossoró, Rio Grande do Norte, 59610-210, Brazil
| | - Mariana Almeida Lima
- Postgraduate Program in Animal Science, Department of Biosciences, Biological and Health Sciences Center, Federal University of the Semi-Arid Region (UFERSA), Avenida Francisco Mota, 572, Bairro Costa e Silva, Mossoró, Rio Grande do Norte, 59625-900, Brazil
- Center for Environmental Studies and Monitoring (CEMAM), Rua Jorge Caminha, 118, bairro Centro, Areia Branca, Rio Grande do Norte, 59655-000, Brazil
- Cetáceos da Costa Branca Project, University of the State of Rio Grande do Norte (PCCB-UERN), Almino Afonso, 478, Mossoró, Rio Grande do Norte, 59610-210, Brazil
| | - Ana Bernadete Lima Fragoso
- Center for Environmental Studies and Monitoring (CEMAM), Rua Jorge Caminha, 118, bairro Centro, Areia Branca, Rio Grande do Norte, 59655-000, Brazil
- Cetáceos da Costa Branca Project, University of the State of Rio Grande do Norte (PCCB-UERN), Almino Afonso, 478, Mossoró, Rio Grande do Norte, 59610-210, Brazil
| | - Flávio José de Lima Silva
- Center for Environmental Studies and Monitoring (CEMAM), Rua Jorge Caminha, 118, bairro Centro, Areia Branca, Rio Grande do Norte, 59655-000, Brazil
- Cetáceos da Costa Branca Project, University of the State of Rio Grande do Norte (PCCB-UERN), Almino Afonso, 478, Mossoró, Rio Grande do Norte, 59610-210, Brazil
- Doctoral Program in Development and Environment (PRODEMA), Federal University of Rio Grande do Norte (UFRN), Avenida Salgado Filho, 3000, bairro Lagoa Nova, Natal, Rio Grande do Norte, 59064-741, Brazil
| | - Fernanda Loffler Niemeyer Attademo
- National Center for Research and Conservation of Aquatic Mammals by Chico Mendes Institute for Biodiversity Conservation (CMA/ICMBio), Alexandre Herculano, 197, bairro Gonzaga, Santos, São Paulo, 11050-031, Brazil
- Department of Zoology, Postgraduate Program in Animal Biology, Laboratory of Ecology, Behavior and Conservation, Federal University of Pernambuco (UFPE), Professor Morais Rego, s/n, Recife, Pernambuco, 50670-901, Brazil
| | - Fábia de Oliveira Luna
- National Center for Research and Conservation of Aquatic Mammals by Chico Mendes Institute for Biodiversity Conservation (CMA/ICMBio), Alexandre Herculano, 197, bairro Gonzaga, Santos, São Paulo, 11050-031, Brazil
| | - Alexsandra Fernandes Pereira
- Postgraduate Program in Animal Science, Department of Biosciences, Biological and Health Sciences Center, Federal University of the Semi-Arid Region (UFERSA), Avenida Francisco Mota, 572, Bairro Costa e Silva, Mossoró, Rio Grande do Norte, 59625-900, Brazil
| | - Moacir Franco de Oliveira
- Postgraduate Program in Animal Science, Department of Biosciences, Biological and Health Sciences Center, Federal University of the Semi-Arid Region (UFERSA), Avenida Francisco Mota, 572, Bairro Costa e Silva, Mossoró, Rio Grande do Norte, 59625-900, Brazil
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Aragão NL, Zaranza MDS, Meneses GC, Lázaro APP, Guimarães ÁR, Martins AMC, Aragão NLP, Beliero AM, da Silva Júnior GB, Mota SMB, Albuquerque PLMM, Daher EDF, De Bruin VMS, de Bruin PFC. Syndecan-1 levels predict septic shock in critically ill patients with COVID-19. Trans R Soc Trop Med Hyg 2024; 118:160-169. [PMID: 37897240 DOI: 10.1093/trstmh/trad077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Revised: 09/27/2023] [Accepted: 10/11/2023] [Indexed: 10/30/2023] Open
Abstract
BACKGROUND The clinical picture of coronavirus disease 2019 (COVID-19)-associated sepsis is similar to that of sepsis of other aetiologies. The present study aims to analyse the role of syndecan-1 (SDC-1) as a potential predictor of septic shock in critically ill patients with COVID-19. METHODS This is a prospective study of 86 critically ill patients due to COVID-19 infection. Patients were followed until day 28 of hospitalization. Vascular biomarkers, such as vascular cell adhesion protein-1, SDC-1, angiopoietin-1 and angiopoietin-2, were quantified upon admission and associated with the need for vasopressors in the first 7 d of hospitalization. RESULTS A total of 86 patients with COVID-19 (mean age 60±16 y; 51 men [59%]) were evaluated. Thirty-six (42%) patients died during hospitalization and 50 (58%) survived. The group receiving vasopressors had higher levels of D-dimer (2.46 ng/ml [interquartile range {IQR} 0.6-6.1] vs 1.01 ng/ml [IQR 0.62-2.6], p=0.019) and lactate dehydrogenase (929±382 U/l vs 766±312 U/l, p=0.048). The frequency of deaths during hospitalization was higher in the group that received vasoactive amines in the first 24 h in the intensive care unit (70% vs 30%, p=0.002). SDC-1 levels were independently associated with the need for vasoactive amines, and admission values >269 ng/ml (95% CI 0.524 to 0.758, p=0.024) were able to predict the need for vasopressors during the 7 d following admission. CONCLUSIONS Syndecan-1 levels predict septic shock in critically ill patients with COVID-19.
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Affiliation(s)
- Nilcyeli Linhares Aragão
- Medical Sciences Postgraduate Program, Department of Internal Medicine, School of Medicine, Universidade Federal do Ceará. Fortaleza, Ceará, Brazil
- Instituto José Frota Hospital, Fortaleza, Ceará, Brazil
| | - Marza de Sousa Zaranza
- Medical Sciences Postgraduate Program, Department of Internal Medicine, School of Medicine, Universidade Federal do Ceará. Fortaleza, Ceará, Brazil
- Instituto José Frota Hospital, Fortaleza, Ceará, Brazil
| | - Gdayllon Cavalcante Meneses
- Medical Sciences Postgraduate Program, Department of Internal Medicine, School of Medicine, Universidade Federal do Ceará. Fortaleza, Ceará, Brazil
| | - Ana Paula Pires Lázaro
- Public Health Postgraduate Program, School of Medicine, Health Sciences Center, Universidade de Fortaleza, Fortaleza, Ceará, Brazil
- School of Medicine, Health Sciences Center, Universidade de Fortaleza, Fortaleza, Ceará, Brazil
| | - Álvaro Rolim Guimarães
- Medical Sciences Postgraduate Program, Department of Internal Medicine, School of Medicine, Universidade Federal do Ceará. Fortaleza, Ceará, Brazil
| | - Alice Maria Costa Martins
- Clinical and Toxicological Analysis Department, School of Pharmacy, Universidade Federal do Ceará, Fortaleza, Brazil
| | | | | | - Geraldo Bezerra da Silva Júnior
- Public Health Postgraduate Program, School of Medicine, Health Sciences Center, Universidade de Fortaleza, Fortaleza, Ceará, Brazil
- School of Medicine, Health Sciences Center, Universidade de Fortaleza, Fortaleza, Ceará, Brazil
| | - Sandra Mara Brasileiro Mota
- Medical Sciences Postgraduate Program, Department of Internal Medicine, School of Medicine, Universidade Federal do Ceará. Fortaleza, Ceará, Brazil
- Instituto José Frota Hospital, Fortaleza, Ceará, Brazil
| | | | - Elizabeth De Francesco Daher
- Medical Sciences Postgraduate Program, Department of Internal Medicine, School of Medicine, Universidade Federal do Ceará. Fortaleza, Ceará, Brazil
| | - Veralice Meireles Sales De Bruin
- Medical Sciences Postgraduate Program, Department of Internal Medicine, School of Medicine, Universidade Federal do Ceará. Fortaleza, Ceará, Brazil
| | - Pedro Felipe Carvalhedo de Bruin
- Medical Sciences Postgraduate Program, Department of Internal Medicine, School of Medicine, Universidade Federal do Ceará. Fortaleza, Ceará, Brazil
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17
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Rossi GG, Tisoco I, Moreira KS, de Lima Burgo TA, de Campos MMA, Iglesias BA. Photophysical, photobiological, and mycobacteria photo-inactivation properties of new meso-tetra-cationic platinum(II) metalloderivatives at meta position. Braz J Microbiol 2024; 55:11-24. [PMID: 38051456 PMCID: PMC10920514 DOI: 10.1007/s42770-023-01201-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Accepted: 11/27/2023] [Indexed: 12/07/2023] Open
Abstract
In this manuscript, we report the photo-inactivation evaluation of new tetra-cationic porphyrins with peripheral Pt(II) complexes ate meta N-pyridyl positions in the antimicrobial photodynamic therapy (aPDT) of rapidly growing mycobacterial strains (RGM). Four different metalloderivatives were synthetized and applied. aPDT experiments in the strains of Mycobacteroides abscessus subsp. Abscessus (ATCC 19977), Mycolicibacterium fortuitum (ATCC 6841), Mycobacteroides abscessus subsp. Massiliense (ATCC 48898), and Mycolicibacterium smegmatis (ATCC 700084) conducted with adequate concentration of photosensitizers (PS) under white-light conditions at 90 min (irradiance of 50 mW cm-2 and a total light dosage of 270 J cm-2) showed that the Zn(II) derivative is the most effective PS significantly reduced the concentration of viable mycobacteria. The effectiveness of the molecule as PS for PDI studies is also clear with mycobacteria, which is strongly related with the porphyrin peripheral charge and coordination platinum(II) compounds and consequently about the presence of metal center ion. This class of PS may be promising antimycobacterial aPDT agents with potential applications in medical clinical cases and bioremediation.
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Affiliation(s)
- Grazielle Guidolin Rossi
- Department of Pharmaceutical Sciences, Laboratory of Mycobacteriology, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
| | - Isadora Tisoco
- Department of Chemistry, Laboratory of Bioinorganic and Porphyrinic Materials, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
| | - Kelly Schneider Moreira
- Department of Chemistry, Laboratory of Bioinorganic and Porphyrinic Materials, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
- Department of Chemistry and Environmental Sciences, Ibilce, São Paulo State University (Unesp), São Jose Do Rio Preto, São Paulo State, Brazil
| | - Thiago Augusto de Lima Burgo
- Department of Chemistry and Environmental Sciences, Ibilce, São Paulo State University (Unesp), São Jose Do Rio Preto, São Paulo State, Brazil.
| | - Marli Matiko Anraku de Campos
- Department of Pharmaceutical Sciences, Laboratory of Mycobacteriology, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
| | - Bernardo Almeida Iglesias
- Department of Chemistry, Laboratory of Bioinorganic and Porphyrinic Materials, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil.
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18
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de Souza AA, Dias Viegas FP, Gontijo VS, Vieira Domingues JS, Giusti-Paiva A, Vilela FC, da Silva GA, Amaral JG, Lopes NP, Viegas C. Antinociceptive Effect of Dillenia indica (Linn.) Mediated by Opioid and Cannabinoid Systems: Pharmacological and Chemical Studies. Chem Biodivers 2024; 21:e202301508. [PMID: 38092696 DOI: 10.1002/cbdv.202301508] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Accepted: 12/13/2023] [Indexed: 03/02/2024]
Abstract
Dillenia indica (Linn.) has been reported by several biological activities, including anti-inflammatory, antioxidant, antidiabetic, anti-hyperglycemic, antiproliferative, antimutagenic, anticholinesterase, and antimicrobial. In Brazilian traditional medicine, the fruits of D. indica have been used to treat general topical pain and inflammation, but with no scientific validation. Thus, aiming to study its chemical constitution and antinociceptive properties, the crude extract (CE) and fractions obtained from the fruits of D. indica were submitted to an in vivo pharmacological evaluation and a dereplication study by LC-MS/MS analysis, assisted by the Global Natural Product Social Molecular Networking (GNPS). The oral antinociceptive activity of the fruits of D. indica and the possible participation of the opioid and cannabinoid systems were demonstrated in the formalin-induced nociception model. The chemical dereplication study led us to identify several known chemical constituents, including flavonoids, such as caffeoylmalic acid, naringenin, quercetin, and kaempferol. According to literature data, our results are compatible with significant antinociceptive and anti-inflammatory activities. Therefore, the flavonoid constituents of the fruits of D. indica are probably responsible for its antioxidant, anti-inflammatory, and antinociceptive effects mediated by both opioid and cannabinoid systems, confirming its folk use in the treatment and relief of pain.
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Affiliation(s)
- Amanda Alvarenga de Souza
- PeQuiM- Laboratory of Research in Medicinal Chemistry, Federal University of Alfenas, Jovino Fernandes Sales Avenue, 2600, Alfenas/MG, 37130-000, Brazil
| | - Flávia Pereira Dias Viegas
- PeQuiM- Laboratory of Research in Medicinal Chemistry, Federal University of Alfenas, Jovino Fernandes Sales Avenue, 2600, Alfenas/MG, 37130-000, Brazil
| | - Vanessa Silva Gontijo
- PeQuiM- Laboratory of Research in Medicinal Chemistry, Federal University of Alfenas, Jovino Fernandes Sales Avenue, 2600, Alfenas/MG, 37130-000, Brazil
| | | | - Alexandre Giusti-Paiva
- Department of Physiological Sciences, Federal University of Alfenas, 37133-840, Alfenas, MG, Brazil
| | - Fabiana Cardoso Vilela
- Department of Physiological Sciences, Federal University of Alfenas, 37133-840, Alfenas, MG, Brazil
| | | | - Juliano Geraldo Amaral
- Nucleus of Research in Synthetic and Natural Products, Department of Pharmaceutical Sciences, Faculty of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão, Preto-SP, 14040-903, Brazil
- Multidisciplinary Health Institute, Federal University of Bahia, 45029-094, Vitória da Conquista, BA, Brazil
| | - Norberto Peporine Lopes
- Nucleus of Research in Synthetic and Natural Products, Department of Pharmaceutical Sciences, Faculty of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão, Preto-SP, 14040-903, Brazil
| | - Claudio Viegas
- PeQuiM- Laboratory of Research in Medicinal Chemistry, Federal University of Alfenas, Jovino Fernandes Sales Avenue, 2600, Alfenas/MG, 37130-000, Brazil
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19
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De Jesus IS, Vélez JAC, Pissinati EF, Correia JTM, Rivera DG, Paixao MW. Recent Advances in Photoinduced Modification of Amino Acids, Peptides, and Proteins. CHEM REC 2024; 24:e202300322. [PMID: 38279622 DOI: 10.1002/tcr.202300322] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Revised: 12/01/2023] [Indexed: 01/28/2024]
Abstract
The chemical modification of biopolymers like peptides and proteins is a key technology to access vaccines and pharmaceuticals. Similarly, the tunable derivatization of individual amino acids is important as they are key building blocks of biomolecules, bioactive natural products, synthetic polymers, and innovative materials. The high diversity of functional groups present in amino acid-based molecules represents a significant challenge for their selective derivatization Recently, visible light-mediated transformations have emerged as a powerful strategy for achieving chemoselective biomolecule modification. This technique offers numerous advantages over other methods, including a higher selectivity, mild reaction conditions and high functional-group tolerance. This review provides an overview of the most recent methods covering the photoinduced modification for single amino acids and site-selective functionalization in peptides and proteins under mild and even biocompatible conditions. Future challenges and perspectives are discussed beyond the diverse types of photocatalytic transformations that are currently available.
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Affiliation(s)
- Iva S De Jesus
- Laboratory for Sustainable Organic Synthesis and Catalysis, Department of Chemistry, Federal University of São Carlos - UFSCar, São Carlos, São Paulo, 13565-905, Brazil
| | - Jeimy A C Vélez
- Laboratory for Sustainable Organic Synthesis and Catalysis, Department of Chemistry, Federal University of São Carlos - UFSCar, São Carlos, São Paulo, 13565-905, Brazil
| | - Emanuele F Pissinati
- Laboratory for Sustainable Organic Synthesis and Catalysis, Department of Chemistry, Federal University of São Carlos - UFSCar, São Carlos, São Paulo, 13565-905, Brazil
| | - Jose Tiago M Correia
- Laboratory for Sustainable Organic Synthesis and Catalysis, Department of Chemistry, Federal University of São Carlos - UFSCar, São Carlos, São Paulo, 13565-905, Brazil
| | - Daniel G Rivera
- Laboratory of Synthetic and Biomolecular Chemistry, Faculty of Chemistry, University of Havana Zapata & G, Havana, 10400, Cuba
| | - Márcio W Paixao
- Laboratory for Sustainable Organic Synthesis and Catalysis, Department of Chemistry, Federal University of São Carlos - UFSCar, São Carlos, São Paulo, 13565-905, Brazil
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20
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Santos MR, Toledo LT, Bassi ÊJ, Porto WJN, Bressan GC, Moreira MAS, Chang YF, Silva-Júnior A. Chimeric proteins of Mycoplasma hyopneumoniae as vaccine and preclinical model for immunological evaluation. Braz J Microbiol 2024; 55:943-953. [PMID: 38217795 PMCID: PMC10920614 DOI: 10.1007/s42770-023-01240-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Accepted: 12/28/2023] [Indexed: 01/15/2024] Open
Abstract
Mycoplasma hyopneumoniae (M. hyopneumoniae) is a primary agent of porcine enzootic pneumonia, a disease that causes significant economic losses to pig farming worldwide. Commercial vaccines induce partial protection, evidencing the need for a new vaccine against M. hyopneumoniae. In our work, three chimeric proteins were constructed, composed of potentially immunogenic domains from M. hyopneumoniae proteins. We designed three chimeric proteins (Q1, Q2, and Q3) based on bioinformatics analysis that identified five potential proteins with immunogenic potential (MHP418, MHP372, MHP199, P97, and MHP0461). The chimeric proteins were inoculated in the murine model to evaluate the immune response. The mice vaccinated with the chimeras presented IgG and IgG1 against proteins of M. hyopneumoniae. There was induction of IgG in mice immunized with Q3 starting from 30 days post-vaccination, and groups Q1 and Q2 showed induction at 45 days. Mice of the group immunized with Q3 showed the production of IgA. In addition, the mice inoculated with chimeric proteins showed a proinflammatory cytokine response; Q1 demonstrated higher levels of TNF, IL-6, IL2, and IL-17. In contrast, animals immunized with Q2 showed an increase in the concentrations of TNF, IL-6, and IL-4, whereas those immunized with Q3 exhibited an increase in the concentrations of TNF, IL-6, IL-10, and IL-4. The results of the present study indicate that these three chimeric proteins can be used in future vaccine trials with swine because of the promising antigenicity.
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Affiliation(s)
- Marcus Rebouças Santos
- Department of Veterinary Medicine, Universidade Federal de Vicosa, Vicosa, Minas Gerais, Brazil
| | - Leonardo Teófilo Toledo
- Department of Veterinary Medicine, Universidade Federal de Vicosa, Vicosa, Minas Gerais, Brazil
| | - Ênio José Bassi
- Institute of Biological Sciences and Health, Universidade Federal de Alagoas, Maceió, Brazil
| | | | - Gustavo Costa Bressan
- Department of Veterinary Medicine, Universidade Federal de Vicosa, Vicosa, Minas Gerais, Brazil
| | | | - Yung-Fu Chang
- Department of Population Medicine and Diagnostic Sciences, College of Veterinary Medicine, Cornell University, Ithaca, NY, USA
| | - Abelardo Silva-Júnior
- Institute of Biological Sciences and Health, Universidade Federal de Alagoas, Maceió, Brazil.
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21
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Campos RB, Capato LA, Soares PM, Tantillo DJ, Orth ES. Thio-Induced Organophosphate Breakdown Promoted by Methimazole: an Experimental and Theoretical Study. Chempluschem 2024:e202300756. [PMID: 38412020 DOI: 10.1002/cplu.202300756] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2023] [Revised: 02/27/2024] [Accepted: 02/27/2024] [Indexed: 02/28/2024]
Abstract
Investigating the reactivity of small nucleophilic scaffolds is a strategic approach for the design of new catalysts aiming at effective detoxification processes of organophosphorus compounds. The drug methimazole (MMZ) is an interesting candidate featuring two non-equivalent nucleophilic centers. Herein, phosphoryl transfer reactions mediated by MMZ were assessed by means of spectrophotometric kinetic studies, mass spectrometry (MS) analyses, and density functional theory (DFT) calculations using the multi-electrophilic compound O,O-diethyl 2,4-dinitrophenyl phosphate (DEDNPP). MMZ anion acts primarily as an S-nucleophile, exhibiting a nucleophilic activity comparable to that of certain oximes featuring alpha-effect. Selective nucleophilic aromatic substitution was observed, consistent with the DFT prediction of a low energy barrier. Overall, the results bring important advances regarding the mechanistic understanding of nucleophilic dephosphorylation reactions, which comprises a strategic tool for neutralizing toxic organophosphates, hence promoting chemical security.
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Affiliation(s)
- Renan B Campos
- Departamento Acadêmico de Química e Biologia, Universidade Tecnológica Federal do Paraná, Rua Deputado Heitor de Alencar Furtado, 5000, 81280-340, Curitiba, Brazil
| | - Lucas A Capato
- Departamento Acadêmico de Química e Biologia, Universidade Tecnológica Federal do Paraná, Rua Deputado Heitor de Alencar Furtado, 5000, 81280-340, Curitiba, Brazil
| | - Patrícia M Soares
- Chemistry Departament, Universidade Federal do Paraná (UFPR), CP 19081, CEP 81531-990, Curitiba, PR, Brazil
| | - Dean J Tantillo
- Department of Chemistry, University of California-Davis, Davis, California, 95616, United States
| | - Elisa S Orth
- Chemistry Departament, Universidade Federal do Paraná (UFPR), CP 19081, CEP 81531-990, Curitiba, PR, Brazil
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de Sousa RDSDR, Lima GVS, Garcias JT, Gomes GDO, Mateus JR, Madeira LDPDS, Seldin L, Rogez HLG, Marques JM. The Microbial Community Structure in the Rhizosphere of Theobroma cacao L. and Euterpe oleracea Mart. Is Influenced by Agriculture System in the Brazilian Amazon. Microorganisms 2024; 12:398. [PMID: 38399802 PMCID: PMC10892126 DOI: 10.3390/microorganisms12020398] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Revised: 12/26/2023] [Accepted: 12/27/2023] [Indexed: 02/25/2024] Open
Abstract
This study tested the hypothesis that cocoa monoculture (MS) and cocoa-açai agroforestry systems (AFS) may influence the microbial community structure and populations of plant growth-promoting bacteria (PGPR). Accordingly, the aim was to analyze the microbial community structure and PGPR populations in different agroecosystems in the Brazilian Amazon. To achieve this, the rhizosphere microbial community of cocoa and açai plants in both Amazonian seasons (dry and rainy) was analyzed using culture-dependent (PGPR screening) and -independent methods [PCR-DGGE based on rrs, alp, nifH gene, and intergenic region (ITS) of fungi]. Concerning PGPR screening, out of 48 isolated bacterial strains, 25% were capable of siderophore production, 29% of mineralized organic phosphate, 8% of inorganic phosphate solubilization, and 4% of indole acetic acid production. Moreover, 17% of isolates could inhibit the growth of various phytopathogenic fungi. Statistical analyses of DGGE fingerprints (p < 0.05) showed that bacterial and fungal community structures in the rhizosphere were influenced by the seasons, supporting the results of the physicochemical analysis of the environment. Furthermore, as hypothesized, microbial communities differed statistically when comparing the MS and AFS. These findings provide important insights into the influence of climate and cultivation systems on soil microbial communities to guide the development of sustainable agricultural practices.
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Affiliation(s)
- Rosiane do Socorro dos Reis de Sousa
- Instituto de Ciências Biológicas, Universidade Federal do Pará, Belém 66075-110, Pará, Brazil; (R.d.S.d.R.d.S.); (G.V.S.L.); (J.T.G.); (G.d.O.G.); (L.D.P.d.S.M.); (H.L.G.R.)
| | - Giulia Victória Silva Lima
- Instituto de Ciências Biológicas, Universidade Federal do Pará, Belém 66075-110, Pará, Brazil; (R.d.S.d.R.d.S.); (G.V.S.L.); (J.T.G.); (G.d.O.G.); (L.D.P.d.S.M.); (H.L.G.R.)
| | - Josinete Torres Garcias
- Instituto de Ciências Biológicas, Universidade Federal do Pará, Belém 66075-110, Pará, Brazil; (R.d.S.d.R.d.S.); (G.V.S.L.); (J.T.G.); (G.d.O.G.); (L.D.P.d.S.M.); (H.L.G.R.)
| | - Graziane de Oliveira Gomes
- Instituto de Ciências Biológicas, Universidade Federal do Pará, Belém 66075-110, Pará, Brazil; (R.d.S.d.R.d.S.); (G.V.S.L.); (J.T.G.); (G.d.O.G.); (L.D.P.d.S.M.); (H.L.G.R.)
| | - Jackeline Rossetti Mateus
- Instituto de Microbiologia Paulo de Góes, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, Rio de Janeiro, Brazil; (J.R.M.); (L.S.)
| | - Lucimar Di Paula dos Santos Madeira
- Instituto de Ciências Biológicas, Universidade Federal do Pará, Belém 66075-110, Pará, Brazil; (R.d.S.d.R.d.S.); (G.V.S.L.); (J.T.G.); (G.d.O.G.); (L.D.P.d.S.M.); (H.L.G.R.)
| | - Lucy Seldin
- Instituto de Microbiologia Paulo de Góes, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, Rio de Janeiro, Brazil; (J.R.M.); (L.S.)
| | - Hervé Louis Ghislain Rogez
- Instituto de Ciências Biológicas, Universidade Federal do Pará, Belém 66075-110, Pará, Brazil; (R.d.S.d.R.d.S.); (G.V.S.L.); (J.T.G.); (G.d.O.G.); (L.D.P.d.S.M.); (H.L.G.R.)
| | - Joana Montezano Marques
- Instituto de Ciências Biológicas, Universidade Federal do Pará, Belém 66075-110, Pará, Brazil; (R.d.S.d.R.d.S.); (G.V.S.L.); (J.T.G.); (G.d.O.G.); (L.D.P.d.S.M.); (H.L.G.R.)
- Instituto de Microbiologia Paulo de Góes, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, Rio de Janeiro, Brazil; (J.R.M.); (L.S.)
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23
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Martins JB, Husmann S, da Veiga AG, Zarbin AJG, Rocco MLM. Probing the Electronic Structure of Prussian Blue and Analog Films by Photoemission and Electron Energy Loss Spectroscopies. Chemphyschem 2024; 25:e202300590. [PMID: 38093086 DOI: 10.1002/cphc.202300590] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Revised: 12/11/2023] [Indexed: 01/17/2024]
Abstract
X-ray photoelectron spectroscopy (XPS) and reflection electron energy loss spectroscopy (REELS) were employed to characterize the electronic properties of Prussian blue (PB) and its analogs when electrodeposited over metal-decorated carbon nanotubes (CNTs). Through an investigation of the influence of carbon nanotubes (CNTs) and preparation conditions on the electronic structure, valuable insights were obtained regarding their effects on electrochemical properties. XPS analysis enabled the probing of the chemical composition and oxidation states of the film materials, unveiling synthesis-driven variations in their electronic properties. REELS provided information on energy loss and electronic transitions, enabling further characterization of the changes in the electronic structure induced by different preparation methods. Such findings emphasize the importance of surface characterization to understand how the unique electronic properties of such materials can be harnessed to enhance their performance and functionality.
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Affiliation(s)
- Jessica B Martins
- Instituto de Química, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, RJ,21941-909, Brazil
- X-ray Science Division, Argonne National Laboratory, Lemont, IL 60439, United States of America
| | - Samantha Husmann
- Grupo de Química de Materiais, Departamento de Química, Universidade Federal do Paraná (UFPR), Curitiba, PR, 81531-980, Brazil
| | - Amanda G da Veiga
- Instituto de Química, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, RJ,21941-909, Brazil
| | - Aldo J G Zarbin
- Grupo de Química de Materiais, Departamento de Química, Universidade Federal do Paraná (UFPR), Curitiba, PR, 81531-980, Brazil
| | - Maria Luiza M Rocco
- Instituto de Química, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, RJ,21941-909, Brazil
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24
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Soroka G, Idiart M, Villavicencio A. Mechanistic role of alpha oscillations in a computational model of working memory. PLoS One 2024; 19:e0296217. [PMID: 38329951 PMCID: PMC10852337 DOI: 10.1371/journal.pone.0296217] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2023] [Accepted: 12/08/2023] [Indexed: 02/10/2024] Open
Abstract
Brain oscillations are believed to be involved in the different operations necessary to manipulate information during working memory tasks. We propose a mechanistic role for the observed inhibition effect of the alpha rhythm based on its interference with the theta rhythm. Using the Lisman-Idiart model for multi-item working memory, we show that the interaction between these two oscillations is capable of creating a long lasting destructive interference that prevents the cyclic reactivation of neuronal ensembles and, as a consequence, memory maintenance. Additionally, to ensure robustness we propose a modular version of the model and implement oscillations as traveling waves. Using this model, we show that the interactions between theta and gamma determine the allocation of multiple memories in distinct modules, while the interference between theta and alpha disrupts the maintenance of the information already stored in them. The effect of alpha in erasing or blocking storage is robust and seems fairly independent of frequency, as long as it stays within the alpha range. This model helps us to understand why the alpha and theta oscillations, which have close frequency bands, could have opposite roles in working memory.
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Affiliation(s)
- Gustavo Soroka
- Neuroscience Graduate Program, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, Brazil
| | - Marco Idiart
- Neuroscience Graduate Program, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, Brazil
- Department of Physics, Institute of Physics, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, Brazil
| | - Aline Villavicencio
- Department of Computer Science, University of Sheffield, Sheffield, United Kingdom
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25
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Serino-Silva C, Bittencourt Rodrigues CF, Miyamoto JG, Hatakeyama DM, Kavazoi VK, Da Rocha MMT, Tanaka AS, Tashima AK, de Morais-Zani K, Grego KF, Tanaka-Azevedo AM. Proteomics and life-history variability of Endogenous Phospholipases A2 Inhibitors (PLIs) in Bothrops jararaca plasma. PLoS One 2024; 19:e0295806. [PMID: 38319909 PMCID: PMC10846723 DOI: 10.1371/journal.pone.0295806] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Accepted: 11/29/2023] [Indexed: 02/08/2024] Open
Abstract
In Brazil, the genus Bothrops is responsible for most ophidian accidents. Snake venoms have a wide variety of proteins and peptides exhibiting a broad repertoire of pharmacological and toxic effects that elicit systemic injury and characteristic local effects. The snakes' natural resistance to envenomation caused by the presence of inhibitory compounds on their plasma have been extensively studied. However, the presence of these inhibitors in different developmental stages is yet to be further discussed. The aim of this study was to evaluate the ontogeny of Bothrops jararaca plasma inhibitor composition and, to this end, plasma samples of B. jararaca were obtained from different developmental stages (neonates, youngs, and adults) and sexes (female and male). SDS-PAGE, Western blotting, affinity chromatography, and mass spectrometry were performed to analyze the protein profile and interaction between B. jararaca plasma and venom proteins. In addition, the presence of γBjPLI, a PLA2 inhibitor previously identified and characterized in B. jararaca serum, was confirmed by Western blotting. According to our results, 9-17% of plasma proteins were capable of binding to venom proteins in the three developmental stages. The presence of different endogenous inhibitors and, more specifically, different PLA2 inhibitor (PLI) classes and antihemorrhagic factors were confirmed in specimens of B. jararaca from newborn by mass spectrometry. For the first time, the αPLI and βPLI were detected in B. jararaca plasma, although low or no ontogenetic and sexual correlation were found. The γPLI were more abundant in adult female, than in neonate and young female, but similar to neonate, young and adult male according to the results of mass spectrometry analysis. Our results suggest that there are proteins in the plasma of these animals that can help counteract the effects of self-envenomation from birth.
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Affiliation(s)
- Caroline Serino-Silva
- Laboratório de Herpetologia, Instituto Butantan, São Paulo, SP, Brazil
- Programa de Pós-Graduação Interunidades em Biotecnologia (PPIB—IPT, IBU and USP), Universidade de São Paulo (USP), São Paulo, SP, Brazil
| | - Caroline Fabri Bittencourt Rodrigues
- Laboratório de Herpetologia, Instituto Butantan, São Paulo, SP, Brazil
- Programa de Pós-Graduação Interunidades em Biotecnologia (PPIB—IPT, IBU and USP), Universidade de São Paulo (USP), São Paulo, SP, Brazil
| | | | - Daniela Miki Hatakeyama
- Laboratório de Herpetologia, Instituto Butantan, São Paulo, SP, Brazil
- Programa de Pós-Graduação Interunidades em Biotecnologia (PPIB—IPT, IBU and USP), Universidade de São Paulo (USP), São Paulo, SP, Brazil
| | - Victor Koiti Kavazoi
- Laboratório de Herpetologia, Instituto Butantan, São Paulo, SP, Brazil
- Programa de Pós-Graduação Interunidades em Biotecnologia (PPIB—IPT, IBU and USP), Universidade de São Paulo (USP), São Paulo, SP, Brazil
| | | | - Aparecida Sadae Tanaka
- Departamento de Bioquímica, Universidade Federal de São Paulo (UNIFESP), São Paulo, SP, Brazil
| | - Alexandre Keiji Tashima
- Departamento de Bioquímica, Universidade Federal de São Paulo (UNIFESP), São Paulo, SP, Brazil
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26
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Wright CL, West JB, de Lima ALA, Souza ES, Medeiros M, Wilcox BP. Contrasting water-use strategies revealed by species-specific transpiration dynamics in the Caatinga dry forest. Tree Physiol 2024; 44:tpad137. [PMID: 37935389 DOI: 10.1093/treephys/tpad137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Accepted: 11/01/2023] [Indexed: 11/09/2023]
Abstract
In forest ecosystems, transpiration (T) patterns are important for quantifying water and carbon fluxes and are major factors in predicting ecosystem change. Seasonal changes in rainfall and soil water content can alter the sensitivity of sap flux density to daily variations in vapor pressure deficit (VPD). This sensitivity is species-specific and is thought to be related to hydraulic strategies. The aim of this work is to better understand how the sap flux density of species with low versus high wood density differ in their sensitivity to VPD and soil water content and how potentially opposing water-use strategies influence T dynamics, and ultimately, correlations to evapotranspiration (ET). We use hysteresis area analysis to quantify the sensitivity of species-specific sap flux density to changes in the VPD, breakpoint-based models to determine the soil water content threshold instigating a T response and multiscalar wavelet coherency to correlate T to ET. We found that low wood density Commiphora leptophloeos (Mart.) Gillett had a more dynamic T pattern, a greater sensitivity to VPD at high soil water content, required a higher soil water content threshold for this sensitivity to be apparent, and had a significant coherency correlation with ET at daily to monthly timescales. This behavior is consistent with a drought avoidance strategy. High wood density Cenostigma pyramidale (Tul.) E. Gagnon & G. P. Lewis, conversely, had a more stable T pattern, responded to VPD across a range of soil water content, tolerated a lower soil water content threshold to T, and had a significant coherency correlation with ET at weekly timescales. This behavior is consistent with a drought-tolerant strategy. We build on previous research to show that these species have contrasting water-use strategies that should be considered in large-scale modeling efforts.
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Affiliation(s)
- Cynthia L Wright
- Southern Research Station, USDA Forest Service, 4700 Old Kingston Pike, Knoxville, TN 37919, USA
- Smithsonian Tropical Research Institute, Apartado Postal 0843-03092, Panama City, Panama
- Environmental Sciences Division and Climate Change Science Institute, Oak Ridge National Laboratory, 1 Bethel Valley Rd, Oak Ridge, TN 37830, USA
- Ecology and Conservation Biology, Texas A&M University, 534 John Kimbrough Blvd, College Station, TX 77843, USA
| | - Jason B West
- Ecology and Conservation Biology, Texas A&M University, 534 John Kimbrough Blvd, College Station, TX 77843, USA
| | - André L A de Lima
- Universidade Federal Rural de Pernambuco, Unidade Acadêmica de Serra Talhada, Av. Gregório Ferraz Nogueira, S/n, Bairro: José Tomé de Souza Ramos, Caixa Postal 063, CEP: 56.909-535, Serra Talhada, Pernambuco, Brazil
| | - Eduardo S Souza
- Universidade Federal Rural de Pernambuco, Unidade Acadêmica de Serra Talhada, Av. Gregório Ferraz Nogueira, S/n, Bairro: José Tomé de Souza Ramos, Caixa Postal 063, CEP: 56.909-535, Serra Talhada, Pernambuco, Brazil
| | - Maria Medeiros
- Universidade Federal Rural de Pernambuco, Unidade Acadêmica de Serra Talhada, Av. Gregório Ferraz Nogueira, S/n, Bairro: José Tomé de Souza Ramos, Caixa Postal 063, CEP: 56.909-535, Serra Talhada, Pernambuco, Brazil
- Federal University of Pernambuco, Department of Botany, Avenida Professor Moraes Rego, s/n, Cidade Universitária, CEP: 50670-901, Recife, Pernambuco, Brazil
| | - Bradford P Wilcox
- Ecology and Conservation Biology, Texas A&M University, 534 John Kimbrough Blvd, College Station, TX 77843, USA
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Ramos RCF, Barbosa ADS, Aleixo ALQDC, Arruda IF, Amendoeira MRR. Comparison of immunological and molecular methods for laboratory diagnosis of ocular toxoplasmosis in blood, serum and tears in Brazil. PLoS One 2024; 19:e0298393. [PMID: 38319921 PMCID: PMC10846737 DOI: 10.1371/journal.pone.0298393] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Accepted: 01/23/2024] [Indexed: 02/08/2024] Open
Abstract
Ocular toxoplasmosis (OT) is caused by protozoan T. gondii. Ophthalmological examination is considered the gold standard for OT diagnosis, and laboratory tests are used for diagnostic confirmation. However, these tests can present different results, which change depending on their basis, on sample type and on patients' clinical alteration. Thus, the aim of the present study is to assess immunodiagnostic and molecular techniques applied in blood, serum and tear fluid to diagnose T. gondii infection in patients seen at an Ophthalmology Clinic. In total, 160 patients were included in the study, 40 of them had OT with active lesions (G1); 40 had OT with healed lesions (G2), 40 had non-toxoplasmic uveitis (G3) and 40 had no ocular alterations (G4). Serum samples were subjected to Immunoenzymatic Assay (ELISA) and to Indirect Immunofluorescence Reaction (IFAT) to search for anti-T. gondii IgM and IgG. Tear fluid samples were analyzed through ELISA for IgA research. All blood and tear fluid samples were subjected to conventional polymerase chain reaction (cPCR) and in a Nested PCR model for T. gondii DNA amplification with targets B1, GRA7 and REP 529. IgG and IgM anti-T. gondii was detected in serum samples from 106 and 15 patients, respectively, when combining ELISA and IFAT results. Anti-T.gondii IgA antibodies were detected in 9.2% of the tear material. Nested PCR with GRA7 target showed higher positivity in blood samples (24.4%); Nested PCR with B1 target showed a higher frequency of positivity in tears (15%). Biological samples of patients with active lesions showed the highest positivity frequencies in all immunodiagnostic assays, as well as in most PCR models. The present results highlighted the need of associating techniques with different fundamentals to confirm OT diagnosis. Furthermore, further tear fluid analyses should be performed to validate this biological material as lesser invasive alternative for the more accurate OT diagnosis.
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Affiliation(s)
| | - Alynne da Silva Barbosa
- Laboratory of Toxoplasmosis and Other Protozooses, Oswaldo Cruz/Fiocruz Institute, Rio de Janeiro, Brazil
- Department of Microbiology and Parasitology, Biomedical Institute / Fluminense Federal University, Niterói, Rio de Janeiro, Brazil
| | - Ana Luisa Quintella do Couto Aleixo
- Laboratory of Clinical Research in Infectious Ophthalmology–Evandro Chagas National Institute of Infectology/Fiocruz, Rio de Janeiro, Brazil
| | - Igor Falco Arruda
- Laboratory of Toxoplasmosis and Other Protozooses, Oswaldo Cruz/Fiocruz Institute, Rio de Janeiro, Brazil
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Krüger AP, Garcez AM, Scheunemann T, Bernardi D, Nava DE, Garcia FRM. Reproductive Biology of Trichopria anastrephae (Hymenoptera: Diapriidae), a Biological Control Agent of Drosophila suzukii (Matsumura) (Diptera: Drosophilidae). Neotrop Entomol 2024; 53:38-46. [PMID: 38032474 DOI: 10.1007/s13744-023-01103-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Accepted: 11/14/2023] [Indexed: 12/01/2023]
Abstract
Hymenopteran parasitoids, like any other insect, employ strategies to ensure their reproduction. Understanding these strategies is important for ecological purposes, but also to improve mass rearing of biological control agents. Here, we describe mating strategies used by the pupal parasitoid Trichopria anastrephae Lima (Hymenoptera: Diapriidae), a potential biocontrol agent, that has been considered for augmentative releases for management of the invasive pest species Drosophila suzukii (Matsumura) (Diptera: Drosophilidae). We studied the emergence pattern of males and females of T. anastrephae and the effects of parental ae on offspring number and sex ratio. Polygamy was also studied and its effects on parasitism and offspring production were described. Adults from this species emerge in the first hours of photophase, and males emerge before females, demonstrating that T. anastrephae is a protandrous species. Parasitoid age when first mated influences the parasitism and sex ratio. Younger females result in a higher number of offspring (8.16 parasitoids/day), while older males result in a more female-biased sex ratio of offspring (64% females). Both males and females are polygamic, and the order in which a female is mated by the male affects parasitism, viability of parasitized pupae, and sex ratio of offspring, with the first female performing the highest parasitism and sex ratio (63.83 and 61% of females, respectively), but the lowest viability (92.92%). Females that are allowed to mate multiple times generate lower numbers of offspring (113.05 parasitoids) when compared to virgin or single-mated females (135.20 and 130.70 parasitoids, respectively), but the highest sex ratio (49% of females). Data present in this study and how it can be used to improve parasitoid rearing and field releases of T. anastrephae, in biological control programs for D. suzukii are discussed.
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Affiliation(s)
- Alexandra P Krüger
- Crop Protection Department, Federal University of Pelotas (UFPel), Capão do Leão, RS, Brazil.
| | - Amanda M Garcez
- Crop Protection Department, Federal University of Pelotas (UFPel), Capão do Leão, RS, Brazil
| | - Tiago Scheunemann
- Crop Protection Department, Federal University of Pelotas (UFPel), Capão do Leão, RS, Brazil
| | - Daniel Bernardi
- Crop Protection Department, Federal University of Pelotas (UFPel), Capão do Leão, RS, Brazil
| | - Dori E Nava
- Embrapa Temperate Agriculture, Pelotas, RS, Brazil
| | - Flávio R M Garcia
- Crop Protection Department, Federal University of Pelotas (UFPel), Capão do Leão, RS, Brazil
- Ecology, Zoology and Genetics Department, UFPel, Capão do Leão, RS, Brazil
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de Almeida Gomes I, da Lima AB, da Silva Brito DM, Almeida Lima A, de Oliveira FL, Espino Zelaya EA, Magalhães Rebello Alencar L, Castelo Branco de Souza Collares Maia D, Amaral de Moraes ME, Pantoja Mesquita F, Noronha Souza PF, Montenegro RC. Recalculating the Route: Repositioning Antimicrobial Peptides for Cancer Treatment. Chem Biodivers 2024; 21:e202301840. [PMID: 38088493 DOI: 10.1002/cbdv.202301840] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Accepted: 12/03/2023] [Indexed: 02/22/2024]
Abstract
Resistance to antimicrobial drugs has been considered a public health problem. Likewise, the increasing resistance of cancer cells to drugs currently used in therapy has also become a problem. Therefore, the research and development of synthetic peptides bring a new perspective on the emergence of new drugs for treating this resistance since bioinformatics provides a means to optimize these molecules and save time and costs in research. Peptides have several mechanisms of action, such as forming pores on the cell membrane and inhibiting protein synthesis. Some studies report the use of antimicrobial peptides with the potential for action against cancer cells, suggesting a repositioning of antimicrobial peptides to fight back cancer resistance. There is an alteration in the microenvironment, making its net charge negative for the survival and growth of cancer cells. The changes in glycoproteins favor the membrane to have a more negative charge, favoring the interaction between the cells and the peptide, thus making possible the repositioning of these antimicrobial peptides against cancer. Here, we will discuss the mechanism of action, targets and effects of peptides, comparison between microbial and cancer cells, and proteomic changes caused by the interaction of peptides and cells.
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Affiliation(s)
- Isadora de Almeida Gomes
- Pharmacogenetics Laboratory, Drug Research and Development Center (NPDM), Federal University of Ceará, Rua Coronel Nunes de Melo 1000, Fortaleza, CE, 60430-275, Brazil
| | - Ana Beatriz da Lima
- Pharmacogenetics Laboratory, Drug Research and Development Center (NPDM), Federal University of Ceará, Rua Coronel Nunes de Melo 1000, Fortaleza, CE, 60430-275, Brazil
| | - Daiane Maria da Silva Brito
- Pharmacogenetics Laboratory, Drug Research and Development Center (NPDM), Federal University of Ceará, Rua Coronel Nunes de Melo 1000, Fortaleza, CE, 60430-275, Brazil
- Department of Biochemistry and Molecular Biology, Federal University of Ceará, Fortaleza, 60020-181, CE, Brazil
| | - Arlene Almeida Lima
- Pharmacogenetics Laboratory, Drug Research and Development Center (NPDM), Federal University of Ceará, Rua Coronel Nunes de Melo 1000, Fortaleza, CE, 60430-275, Brazil
| | - Francisco Laio de Oliveira
- Pharmacogenetics Laboratory, Drug Research and Development Center (NPDM), Federal University of Ceará, Rua Coronel Nunes de Melo 1000, Fortaleza, CE, 60430-275, Brazil
| | - Elmer Adilson Espino Zelaya
- Pharmacogenetics Laboratory, Drug Research and Development Center (NPDM), Federal University of Ceará, Rua Coronel Nunes de Melo 1000, Fortaleza, CE, 60430-275, Brazil
| | | | | | - Maria Elisabete Amaral de Moraes
- Pharmacogenetics Laboratory, Drug Research and Development Center (NPDM), Federal University of Ceará, Rua Coronel Nunes de Melo 1000, Fortaleza, CE, 60430-275, Brazil
| | - Felipe Pantoja Mesquita
- Pharmacogenetics Laboratory, Drug Research and Development Center (NPDM), Federal University of Ceará, Rua Coronel Nunes de Melo 1000, Fortaleza, CE, 60430-275, Brazil
| | - Pedro Filho Noronha Souza
- Pharmacogenetics Laboratory, Drug Research and Development Center (NPDM), Federal University of Ceará, Rua Coronel Nunes de Melo 1000, Fortaleza, CE, 60430-275, Brazil
| | - Raquel C Montenegro
- Pharmacogenetics Laboratory, Drug Research and Development Center (NPDM), Federal University of Ceará, Rua Coronel Nunes de Melo 1000, Fortaleza, CE, 60430-275, Brazil
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Souza TF, Leonel Martins M, Jural LA, Maciel IP, Magno MB, da Silva Coqueiro R, Pithon MM, Leal SC, Fonseca-Gonçalves A, Maia LC. Brazilian dentist's knowledge of minimum intervention dentistry for caries management: application of a developed knowledge scale (MIDDeC-KS) and evaluation of its psychometric properties. Eur Arch Paediatr Dent 2024; 25:27-38. [PMID: 37770814 DOI: 10.1007/s40368-023-00844-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2023] [Accepted: 09/02/2023] [Indexed: 09/30/2023]
Abstract
AIM To assess the knowledge of Brazilian dentists about Minimum Intervention (MI) using a Minimum Intervention Dentistry to Dental Caries-Knowledge Scale (MIDDeC-KS) and evaluate its psychometric properties. MATERIALS AND METHODS An online scale was developed to evaluate dentists' knowledge about MI. The higher the score, the greater the knowledge and vice versa. A preliminary study was carried out with 143 dentists to validate the MIDDeC-KS. For psychometric properties analysis, convergent and discriminant validity, test-retest reliability, and internal consistency of the instrument were assessed. After validation, MIDDeC-KS was applied to a representative sample of Brazilian dentists. T test for independent samples, Chi-square, and/or ANOVA one-way tests were applied. RESULTS The MIDDeC-KS convergent (Spearman's = 0.48) and discriminant (P = 0.001) validity and reliability (ICC = 0.85, α = 0.72 and ω = 0.74) were proved. The participants (n = 637) obtained an overall mean score of 7.4 ± 2.5. The sample was mainly composed of females (P < 0.01), who graduated over 10 years prior (P = 0.02), from public colleges (P < 0.01), and most were pediatric dentists (38.2%). The highest and lowest scores were reached by pediatric dentists (9.2 ± 1.6) and bucomaxillofacial professionals (3.1 ± 2.1), respectively. Brazilian dentists demonstrated more knowledge about diet, biofilm, and topical fluoride control (84.3%), while the Hall technique (31.9%), resin infiltrant (47.6%), and chemical mechanical caries removal (48.4%) were the least known MI techniques. CONCLUSION Brazilian dentists demonstrated more knowledge about preventive measures and less about more recent protocols, such as the Hall technique, resin infiltrant, and chemical mechanical caries tissue removal. Sufficient psychometric evidence of the MIDDeC-KS was found. CLINICAL RELEVANCE Identify dentist's knowledge about MI.
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Affiliation(s)
- T F Souza
- Department of Pediatric Dentistry and Orthodontics, Faculty of Dentistry, Universidade Federal Do Rio de Janeiro (UFRJ), Rua Professor Rodolpho Paulo Rocco, 325-Cidade Universitária, Rio de Janeiro, RJ, CEP 21941-971, Brazil
| | - M Leonel Martins
- Department of Pediatric Dentistry and Orthodontics, Faculty of Dentistry, Universidade Federal Do Rio de Janeiro (UFRJ), Rua Professor Rodolpho Paulo Rocco, 325-Cidade Universitária, Rio de Janeiro, RJ, CEP 21941-971, Brazil
| | - L A Jural
- Department of Pediatric Dentistry and Orthodontics, Faculty of Dentistry, Universidade Federal Do Rio de Janeiro (UFRJ), Rua Professor Rodolpho Paulo Rocco, 325-Cidade Universitária, Rio de Janeiro, RJ, CEP 21941-971, Brazil
| | - I P Maciel
- Department of Dentistry, School of Health Sciences, Universidade de Brasília (UnB), Brasília, DF, Brazil
| | - M B Magno
- Department of Pediatric Dentistry and Orthodontics, Faculty of Dentistry, Universidade Federal Do Rio de Janeiro (UFRJ), Rua Professor Rodolpho Paulo Rocco, 325-Cidade Universitária, Rio de Janeiro, RJ, CEP 21941-971, Brazil
| | - R da Silva Coqueiro
- Department of Health I, Universidade Estadual Do Sudoeste da Bahia (UESB), Jequié, Bahia, Brazil
| | - M M Pithon
- Department of Pediatric Dentistry and Orthodontics, Faculty of Dentistry, Universidade Federal Do Rio de Janeiro (UFRJ), Rua Professor Rodolpho Paulo Rocco, 325-Cidade Universitária, Rio de Janeiro, RJ, CEP 21941-971, Brazil
| | - S C Leal
- Department of Dentistry, School of Health Sciences, Universidade de Brasília (UnB), Brasília, DF, Brazil
| | - A Fonseca-Gonçalves
- Department of Pediatric Dentistry and Orthodontics, Faculty of Dentistry, Universidade Federal Do Rio de Janeiro (UFRJ), Rua Professor Rodolpho Paulo Rocco, 325-Cidade Universitária, Rio de Janeiro, RJ, CEP 21941-971, Brazil
| | - L C Maia
- Department of Pediatric Dentistry and Orthodontics, Faculty of Dentistry, Universidade Federal Do Rio de Janeiro (UFRJ), Rua Professor Rodolpho Paulo Rocco, 325-Cidade Universitária, Rio de Janeiro, RJ, CEP 21941-971, Brazil.
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Campos LRS, Trefflich S, Morais DAA, Imparato DO, Chagas VS, Albanus RD, Dalmolin RJS, Castro MAA. Bridge: A New Algorithm for Rooting Orthologous Genes in Large-Scale Evolutionary Analyses. Mol Biol Evol 2024; 41:msae019. [PMID: 38306290 PMCID: PMC10873778 DOI: 10.1093/molbev/msae019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Revised: 01/21/2024] [Accepted: 01/29/2024] [Indexed: 02/04/2024] Open
Abstract
Orthology information has been used for searching patterns in high-dimensional data, allowing transferring functional information between species. The key concept behind this strategy is that orthologous genes share ancestry to some extent. While reconstructing the history of a single gene is feasible with the existing computational resources, the reconstruction of entire biological systems remains challenging. In this study, we present Bridge, a new algorithm designed to infer the evolutionary root of orthologous genes in large-scale evolutionary analyses. The Bridge algorithm infers the evolutionary root of a given gene based on the distribution of its orthologs in a species tree. The Bridge algorithm is implemented in R and can be used either to assess genetic changes across the evolutionary history of orthologous groups or to infer the onset of specific traits in a biological system.
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Affiliation(s)
- Leonardo R S Campos
- Bioinformatics Multidisciplinary Environment–BioME, IMD, Federal University of Rio Grande do Norte, Natal, Brazil
| | - Sheyla Trefflich
- Bioinformatics and Systems Biology Laboratory, Federal University of Paraná, Curitiba 81520-260, Brazil
| | - Diego A A Morais
- Bioinformatics Multidisciplinary Environment–BioME, IMD, Federal University of Rio Grande do Norte, Natal, Brazil
| | - Danilo O Imparato
- Bioinformatics Multidisciplinary Environment–BioME, IMD, Federal University of Rio Grande do Norte, Natal, Brazil
| | - Vinicius S Chagas
- Bioinformatics and Systems Biology Laboratory, Federal University of Paraná, Curitiba 81520-260, Brazil
| | | | - Rodrigo J S Dalmolin
- Bioinformatics Multidisciplinary Environment–BioME, IMD, Federal University of Rio Grande do Norte, Natal, Brazil
- Department of Biochemistry, CB, Federal University of Rio Grande do Norte, Natal, Brazil
| | - Mauro A A Castro
- Bioinformatics and Systems Biology Laboratory, Federal University of Paraná, Curitiba 81520-260, Brazil
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de Oliveira Pereira FS, Oliveira de Souza ME, Viçozzi GP, Caurio AC, Pinton S, Denardin CC, Haas SE, Gasparotto Denardin EL, Ávila DS. Bougainvillea glabra Choisy bracts extract in free and liposomal forms reduce hyperplasia induced by let-60gain-of-function in Caenorhabditis elegans. Chem Biodivers 2024; 21:e202300865. [PMID: 38180793 DOI: 10.1002/cbdv.202300865] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Revised: 01/04/2024] [Accepted: 01/05/2024] [Indexed: 01/06/2024]
Abstract
In this study, we evaluated the toxicological and antiproliferative effects of B. glabra Choisy bract extract (BGCE) in its free and loaded into liposomes forms administered to C. elegans mutants with let-60 gain-of-function (gf). Our results demonstrated that the concentration up to 75 μg CAE/mL of BGCE was safe for the worms. Notably, we developed BGCE-loaded liposomes to extend the pharmacological window up to 100 μg CAE/mL without toxicity. In addition, the extract and liposomes reduced the number and area of the multivulva formed in let-60 gf mutants. There was also an increase in the apoptotic signaling in the germline cells and increased longevity mediated through DAF-16 nuclear translocation with GST-4 activation in the treated animals. Our findings demonstrated that the BGCE-loaded liposomes possess antitumoral effects due to the activation of the apoptotic signaling and DAF-16 nuclear translocation.
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Affiliation(s)
| | - Maria Eduarda Oliveira de Souza
- Research Group in Toxicology and Biochemistry in Caenorhabditis elegans, Universidade Federal do Pampa, Uruguaiana, RS, Brazil
| | - Gabriel Pedroso Viçozzi
- Research Group in Toxicology and Biochemistry in Caenorhabditis elegans, Universidade Federal do Pampa, Uruguaiana, RS, Brazil
| | - Aline Castro Caurio
- Physicochemical Studies and Natural Products Laboratory, Universidade Federal do Pampa, Uruguaiana, RS, Brazil
| | - Simone Pinton
- Universidade Federal do Pampa, Uruguaiana, RS, Brazil
| | - Cristiane Casagrande Denardin
- Research Group in Toxicology and Biochemistry in Bioactive Compounds, Universidade Federal do Pampa, Uruguaiana, RS, Brazil
| | | | | | - Daiana Silva Ávila
- Research Group in Toxicology and Biochemistry in Caenorhabditis elegans, Universidade Federal do Pampa, Uruguaiana, RS, Brazil
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Santa-Cruz LA, Mantovi PS, Loguercio LF, Galvão RA, Navarro M, Passos STA, Neto BAD, Tavares FC, Torresi RM, Machado G. Gel Biopolymer Electrolytes Based on Saline Water and Seaweed to Support the Large-Scale Production of Sustainable Supercapacitors. ChemSusChem 2024; 17:e202300884. [PMID: 37707501 DOI: 10.1002/cssc.202300884] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Revised: 09/11/2023] [Accepted: 09/12/2023] [Indexed: 09/15/2023]
Abstract
Climate change and the demand for clean energy have challenged scientists worldwide to produce/store more energy to reduce carbon emissions. This work proposes a conductive gel biopolymer electrolyte to support the sustainable development of high-power aqueous supercapacitors. The gel uses saline water and seaweed as sustainable resources. Herein, a biopolymer agar-agar, extracted from red algae, is modified to increase gel viscosity up to 17-fold. This occurs due to alkaline treatment and an increase in the concentration of the agar-agar biopolymer, resulting in a strengthened gel with cohesive superfibres. The thermal degradation and agar modification mechanisms are explored. The electrolyte is applied to manufacture sustainable and flexible supercapacitors with satisfactory energy density (0.764 Wh kg-1 ) and power density (230 W kg-1 ). As an electrolyte, the aqueous gel promotes a long device cycle life (3500 cycles) for 1 A g-1 , showing good transport properties and low cost of acquisition and enabling the supercapacitor to be manufactured outside a glove box. These features decrease the cost of production and favor scale-up. To this end, this work provides eco-friendly electrolytes for the next generation of flexible energy storage devices.
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Affiliation(s)
- Larissa A Santa-Cruz
- Programa de Pós-Graduação em Ciência de Materiais, Universidade Federal de Pernambuco, Recife, CEP 50740-560, PE, Brazil
- Laboratório de Materiais Nanoestruturados (LMNano), Centro de Tecnologias Estratégicas do Nordeste (CETENE), Recife, CEP 50740-545, PE, Brasil
| | - Primaggio S Mantovi
- Laboratório de Materiais Eletroativos, Universidade de São Paulo, São Paulo, CEP 05508-900, SP, Brazil
| | - Lara F Loguercio
- Institute of Chemistry, Universidade Federal do Rio Grande do Sul, Rio Grande do Sul, CEP 90650-001, RS, Brazil
| | - Rhauane A Galvão
- Graduate School of Medicine, Science and Technology, Shinshu University, 380-0928, Nagano, Japan
| | - Marcelo Navarro
- Programa de Pós-Graduação em Ciência de Materiais, Universidade Federal de Pernambuco, Recife, CEP 50740-560, PE, Brazil
| | - Saulo T A Passos
- Instituto de química e física, Universidade de Brasília, Brasília, CEP 70904-970, DF, Brazil
| | - Brenno A D Neto
- Instituto de química e física, Universidade de Brasília, Brasília, CEP 70904-970, DF, Brazil
| | - Fabiele C Tavares
- Campus Duque de Caxias, Universidade Federal do Rio de Janeiro, Rio de Janeiro, CEP 25240-005, RJ, Brazil
| | - Roberto M Torresi
- Laboratório de Materiais Eletroativos, Universidade de São Paulo, São Paulo, CEP 05508-900, SP, Brazil
| | - Giovanna Machado
- Laboratório de Materiais Nanoestruturados (LMNano), Centro de Tecnologias Estratégicas do Nordeste (CETENE), Recife, CEP 50740-545, PE, Brasil
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Bastos ML, Benevides CA, Zanchettin C, Menezes FD, Inácio CP, de Lima Neto RG, Filho JGAT, Neves RP, Almeida LM. Breaking barriers in Candida spp. detection with Electronic Noses and artificial intelligence. Sci Rep 2024; 14:956. [PMID: 38200060 PMCID: PMC10781724 DOI: 10.1038/s41598-023-50332-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Accepted: 12/19/2023] [Indexed: 01/12/2024] Open
Abstract
The timely and accurate diagnosis of candidemia, a severe bloodstream infection caused by Candida spp., remains challenging in clinical practice. Blood culture, the current gold standard technique, suffers from lengthy turnaround times and limited sensitivity. To address these limitations, we propose a novel approach utilizing an Electronic Nose (E-nose) combined with Time Series-based classification techniques to analyze and identify Candida spp. rapidly, using culture species of C. albicans, C.kodamaea ohmeri, C. glabrara, C. haemulonii, C. parapsilosis and C. krusei as control samples. This innovative method not only enhances diagnostic accuracy and reduces decision time for healthcare professionals in selecting appropriate treatments but also offers the potential for expanded usage and cost reduction due to the E-nose's low production costs. Our proof-of-concept experimental results, carried out with culture samples, demonstrate promising outcomes, with the Inception Time classifier achieving an impressive average accuracy of 97.46% during the test phase. This paper presents a groundbreaking advancement in the field, empowering medical practitioners with an efficient and reliable tool for early and precise identification of candidemia, ultimately leading to improved patient outcomes.
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Affiliation(s)
- Michael L Bastos
- Centro de Informática, Universidade Federal de Pernambuco, Recife, PE, Brazil.
| | - Clayton A Benevides
- Comissão Nacional de Energia Nuclear, Centro Regional de Ciências Nucleares do Nordeste, Recife, PE, Brazil
| | - Cleber Zanchettin
- Centro de Informática, Universidade Federal de Pernambuco, Recife, PE, Brazil
| | - Frederico D Menezes
- Departamento de Mecânica, Instituto Federal de Pernambuco, Recife, PE, Brazil
| | - Cícero P Inácio
- Centro de Ciências Médicas, Universidade Federal de Pernambuco, Recife, PE, Brazil
| | | | - José Gilson A T Filho
- Centro de Ciências Sociais e Aplicadas, Universidade Federal de Pernambuco, Recife, PE, Brazil
| | - Rejane P Neves
- Centro de Ciências Médicas, Universidade Federal de Pernambuco, Recife, PE, Brazil
| | - Leandro M Almeida
- Centro de Informática, Universidade Federal de Pernambuco, Recife, PE, Brazil.
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Dickinson J, Dutta I, Elvira V, Feng Y, Freeman J, Gandrakota A, Gecse Z, Gray L, Green D, Grünendahl S, Guerrero D, Gutsche O, Harris R, Heller R, Herwig T, Hirschauer J, Horyn L, Jayatilaka B, Jindariani S, Johnson M, Joshi U, Klijnsma T, Klima B, Kwok K, Lammel S, Lincoln D, Lipton R, Liu T, Madrid C, Maeshima K, Mantilla C, Mason D, McBride P, Merkel P, Mrenna S, Nahn S, Ngadiuba J, Noonan D, Papadimitriou V, Pastika N, Pedro K, Pena C, Ravera F, Hall AR, Ristori L, Sexton-Kennedy E, Smith N, Soha A, Spiegel L, Stoynev S, Strait J, Taylor L, Tkaczyk S, Tran N, Uplegger L, Vaandering E, Zoi I, Aruta C, Avery P, Bourilkov D, Cadamuro L, Chang P, Cherepanov V, Field RD, Koenig E, Kolosova M, Konigsberg J, Korytov A, Lo KH, Matchev K, Menendez N, Mitselmakher G, Madhu AM, Rawal N, Rosenzweig D, Rosenzweig S, Shi K, Wang J, Adams T, Kadhim AA, Askew A, Bower N, Habibullah R, Hagopian V, Hashmi R, Kim R, Kim S, Kolberg T, Martinez G, Prosper H, Prova PR, Viazlo O, Wulansatiti M, Yohay R, Zhang J, Alsufyani B, Baarmand M, Butalla S, Elkafrawy T, Hohlmann M, Verma RK, Rahmani M, Yumiceva F, Adams M, Bennett C, Cavanaugh R, Dittmer S, Franco RE, Evdokimov O, Gerber C, Hofman D, Lee J, Lemos DS, Merrit A, Mills C, Nanda S, Oh G, Ozek B, Pilipovic D, Roy T, Rudrabhatla S, Tonjes M, Varelas N, Wang X, Ye Z, Yoo J, Alhusseini M, Blend D, Dilsiz K, Emediato L, Karaman G, Köseyan O, Merlo JP, Mestvirishvili A, Nachtman J, Neogi O, Ogul H, Onel Y, Penzo A, Snyder C, Tiras E, Blumenfeld B, Corcodilos L, Davis J, Gritsan A, Kang L, Kyriacou S, Maksimovic P, Roguljic M, Roskes J, Sekhar S, Swartz M, Vámi T, Abreu A, Alcerro LA, Anguiano J, Baringer P, Bean A, Flowers Z, Grove D, King J, Krintiras G, Lazarovits M, Mahieu CL, Lindsey C, Marquez J, Minafra N, Murray M, Nickel M, Pitt M, Popescu S, Rogan C, Royon C, Salvatico R, Sanders S, Smith C, Wang Q, Wilson G, Allmond B, Ivanov A, Kaadze K, Kalogeropoulos A, Kim D, Maravin Y, Nam K, Natoli J, Roy D, Sorrentino G, Rebassoo F, Wright D, Adams E, Baden A, Baron O, Belloni A, Bethani A, Chen Y, Eno S, Hadley N, Jabeen S, Kellogg R, Koeth T, Lai Y, Lascio S, Mignerey A, Nabili S, Palmer C, Papageorgakis C, Paranjpe MM, Wang L, Wong K, Bendavid J, Busza W, Cali I, Chen Y, D’Alfonso M, Eysermans J, Freer C, Gomez-Ceballos G, Goncharov M, Harris P, Hoang D, Kovalskyi D, Krupa J, Lavezzo L, Lee YJ, Long K, Mironov C, Paus C, Rankin D, Roland C, Roland G, Rothman S, Shi Z, Stephans G, Wang J, Wang Z, Wyslouch B, Yang TJ, Crossman B, Joshi B, Kapsiak C, Krohn M, Mahon D, Mans J, Pandey S, Revering M, Rusack R, Saradhy R, Schroeder N, Strobbe N, Wadud M, Cremaldi L, Bloom K, Bryson M, Claes D, Fangmeier C, Golf F, Hossain J, Joo C, Kravchenko I, Reed I, Siado J, Snow GR, Tabb W, Wightman A, Yan F, Yu D, Zecchinelli A, Agarwal G, Bandyopadhyay H, Hay L, Iashvili I, Kharchilava A, McLean C, Morris M, Nguyen D, Pekkanen J, Rappoccio S, Sfar HR, Williams A, Alverson G, Barberis E, Haddad Y, Han Y, Krishna A, Li J, Lu M, Madigan G, Marzocchi B, Morse D, Nguyen V, Orimoto T, Parker A, Skinnari L, Tishelman-Charny A, Wang B, Wood D, Bhattacharya S, Bueghly J, Chen Z, Hahn K, Liu Y, Miao Y, Monk D, Schmitt M, Taliercio A, Velasco M, Band R, Bucci R, Castells S, Cremonesi M, Das A, Goldouzian R, Hildreth M, Ho K, Anampa KH, Jessop C, Lannon K, Lawrence J, Loukas N, Lutton L, Mariano J, Marinelli N, Mcalister I, McCauley T, Mcgrady C, Mohrman K, Moore C, Musienko Y, Nelson H, Osherson M, Ruchti R, Townsend A, Wayne M, Yockey H, Zarucki M, Zygala L, Basnet A, Bylsma B, Carrigan M, Durkin L, Hill C, Joyce M, Lesauvage A, Ornelas MN, Wei K, Winer B, Yates BR, Addesa F, Bouchamaoui H, Das P, Dezoort G, Elmer P, Frankenthal A, Greenberg B, Haubrich N, Higginbotham S, Kopp G, Kwan S, Lange D, Loeliger A, Marlow D, Ojalvo I, Olsen J, Stickland D, Tully C, Malik S, Bakshi A, Barnes V, Chandra S, Chawla R, Das S, Gu A, Gutay L, Jones M, Jung A, Kondratyev D, Koshy AM, Liu M, Negro G, Neumeister N, Paspalaki G, Piperov S, Purohit A, Schulte J, Stojanovic M, Thieman J, Virdi AK, Wang F, Xie W, Dolen J, Parashar N, Pathak A, Acosta D, Baty A, Carnahan T, Dildick S, Ecklund K, Manteca PF, Freed S, Gardner P, Geurts F, Kumar A, Li W, Colin OM, Padley B, Redjimi R, Rotter J, Yigitbasi E, Zhang Y, Bodek A, de Barbaro P, Demina R, Dulemba J, Fallon C, Garcia-Bellido A, Hindrichs O, Khukhunaishvili A, Parygin P, Popova E, Taus R, Onsem GV, Goulianos K, Chiarito B, Chou J, Gershtein Y, Halkiadakis E, Hart A, Heindl M, Jaroslawski D, Karacheban O, Laflotte I, Lath A, Montalvo R, Nash K, Routray H, Salur S, Schnetzer S, Somalwar S, Stone R, Thayil S, Thomas S, Vora J, Wang H, Acharya H, Ally D, Delannoy A, Fiorendi S, Holmes T, Karunarathna N, Lee L, Nibigira E, Spanier S, Aebi D, Ahmad M, Bouhali O, Dalchenko M, Eusebi R, Gilmore J, Huang T, Kamon T, Kim H, Luo S, Malhotra S, Mueller R, Overton D, Rathjens D, Safonov A, Akchurin N, Damgov J, Hegde V, Hussain A, Kazhykarim Y, Lamichhane K, Lee S, Mankel A, Mengke T, Muthumuni S, Peltola T, Volobouev I, Whitbeck A, Appelt E, Greene S, Gurrola A, Johns W, Elayavalli RK, Melo A, Romeo F, Sheldon P, Tuo S, Velkovska J, Viinikainen J, Cardwell B, Cox B, Hakala J, Hirosky R, Ledovskoy A, Li A, Neu C, Lara CP, Karchin P, Aravind A, Banerjee S, Black K, Bose T, Dasu S, De Bruyn I, Everaerts P, Galloni C, He H, Herndon M, Herve A, Koraka C, Lanaro A, Loveless R, Sreekala JM, Mallampalli A, Mohammadi A, Mondal S, Parida G, Pinna D, Savin A, Shang V, Sharma V, Smith W, Teague D, Tsoi H, Vetens W, Warden A, Afanasiev S, Andreev V, Andreev Y, Aushev T, Azarkin M, Babaev A, Belyaev A, Blinov V, Boos E, Borshch V, Budkouski D, Chadeeva M, Chekhovsky V, Chistov R, Dermenev A, Dimova T, Druzhkin D, Dubinin M, Dudko L, Ershov A, Gavrilov G, Gavrilov V, Gninenko S, Golovtcov V, Golubev N, Golutvin I, Gorbunov I, Gribushin A, Ivanov Y, Kachanov V, Kaminskiy A, Kardapoltsev L, Karjavine V, Karneyeu A, Kim V, Kirakosyan M, Kirpichnikov D, Kirsanov M, Klyukhin V, Kodolova O, Konstantinov D, Korenkov V, Kozyrev A, Krasnikov N, Lanev A, Levchenko P, Lychkovskaya N, Makarenko V, Malakhov A, Matveev V, Murzin V, Nikitenko A, Obraztsov S, Oreshkin V, Palichik V, Perelygin V, Petrushanko S, Polikarpov S, Popov V, Radchenko O, Savina M, Savrin V, Selivanova D, Shalaev V, Shmatov S, Shulha S, Skovpen Y, Slabospitskii S, Smirnov V, Snigirev A, Sosnov D, Sulimov V, Tcherniaev E, Terkulov A, Teryaev O, Tlisova I, Toropin A, Uvarov L, Uzunian A, Vorobyev A, Voytishin N, Yuldashev BS, Zarubin A, Zhizhin I, Zhokin A. Luminosity determination using Z boson production at the CMS experiment. Eur Phys J C Part Fields 2024; 84:26. [PMID: 38227803 PMCID: PMC10781851 DOI: 10.1140/epjc/s10052-023-12268-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/02/2023] [Accepted: 11/19/2023] [Indexed: 01/18/2024]
Abstract
The measurement of Z boson production is presented as a method to determine the integrated luminosity of CMS data sets. The analysis uses proton-proton collision data, recorded by the CMS experiment at the CERN LHC in 2017 at a center-of-mass energy of 13Te V . Events with Z bosons decaying into a pair of muons are selected. The total number of Z bosons produced in a fiducial volume is determined, together with the identification efficiencies and correlations from the same data set, in small intervals of 20pb - 1 of integrated luminosity, thus facilitating the efficiency and rate measurement as a function of time and instantaneous luminosity. Using the ratio of the efficiency-corrected numbers of Z bosons, the precisely measured integrated luminosity of one data set is used to determine the luminosity of another. For the first time, a full quantitative uncertainty analysis of the use of Z bosons for the integrated luminosity measurement is performed. The uncertainty in the extrapolation between two data sets, recorded in 2017 at low and high instantaneous luminosity, is less than 0.5%. We show that the Z boson rate measurement constitutes a precise method, complementary to traditional methods, with the potential to improve the measurement of the integrated luminosity.
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- SC
- Austrian Federal Ministry of Education, Science and Research
- Austrian Science Fund
- Belgian Fonds de la Recherche Scientifique
- Belgian Fonds voor Wetenschappelijk Onderzoek
- CNPq
- CAPES
- FAPERJ
- FAPERGS
- FAPESP
- Bulgarian Ministry of Education and Science
- Bulgarian National Science Fund
- CERN
- Chinese Academy of Sciences
- Ministry of Science and Technology
- Chinese National Natural Science Foundation of China
- Colombian Funding Agency (MINICIENCIAS)
- Croatian Ministry of Science, Education and Sport
- Croatian Science Foundation
- Research and Innovation Foundation
- SENESCYT
- Ministry of Education and Research
- Estonian Research Council via PRG780, PRG803, and PRG445
- European Regional Development Fund
- Academy of Finland
- Finnish Ministry of Education and Culture
- Helsinki Institute of Physics
- Institut National de Physique Nucléaire et de Physique des Particules
- Centre National de la Recherche Scientifique
- Commissariat à l’Énergie Atomique et aux Énergies Alternatives
- Bundesministerium für Bildung und Forschung
- Deutsche Forschungsgemeinschaft
- Helmholtz-Gemeinschaft Deutscher Forschungszentren
- General Secretariat for Research and Innovation
- National Research, Development and Innovation Office
- Department of Atomic Energy
- Department of Science and Technology
- Institute for Research in Fundamental Studies
- Science Foundation
- Istituto Nazionale di Fisica Nucleare
- Korean Ministry of Education, Science and Technology
- National Research Foundation of Korea (NRF)
- MES
- Lithuanian Academy of Sciences
- Ministry of Education
- University of Malaya
- BUAP
- CINVESTAV
- CONACYT
- LNS
- SEP
- UASLP
- MOS
- Ministry of Business, Innovation and Employment
- Pakistan Atomic Energy Commission
- Ministry of Educaton and Science
- National Science Centre
- Fundação para a Ciência e a Tecnologia, CERN/FIS-PAR/0025/2019 and CERN/FIS-INS/0032/2019
- Ministry of Education, Science and Technological Development of Serbia
- MCIN/AEI/10.13039/501100011033, ERDF “a way of making Europe”
- Fondo Europeo de Desarrollo Regional, Spain
- Plan de Ciencia, Tecnología e Innovación del Principado de Asturias
- MOSTR
- ETH Board
- ETH Zurich
- PSI
- SNF
- UniZH
- Canton Zurich
- SER
- Thailand Center of Excellence in Physics
- Institute for the Promotion of Teaching Science and Technology of Thailand
- Special Task Force for Activating Research
- National Science and Technology Development Agency of Thailand
- Scientific and Technical Research Council of Turkey
- Turkish Atomic Energy Authority
- National Academy of Sciences of Ukraine
- Science and Technology Facilities Council
- US Department of Energy
- US National Science Foundation
- Marie-Curie programme
- European Research Council and EPLANET (European Union)
- European Research Council/European Cooperation in Science and Technology), Action CA16108
- Horizon 2020 Grant, contract Nos. 675440, 724704, 752730, 758316, 765710, 824093 (European Union)
- Leventis Foundation
- Alfred P. Sloan Foundation
- Alexander von Humboldt Foundation
- Science Committee, project no. 22rl-037
- Belgian Federal Science Policy Office
- Fonds pour la Formation à la Recherche dans l’Industrie et dans l’Agriculture (FRIA-Belgium)
- Agentschap voor Innovatie door Wetenschap en Technologie (IWT-Belgium)
- Belgian Fonds de la Recherche Scientifique, “Excellence of Science - EOS” - be.h project n. 30820817
- Belgian Fonds voor Wetenschappelijk Onderzoek, “Excellence of Science - EOS” - be.h project n. 30820817
- Beijing Municipal Science & Technology Commission, No. Z191100007219010
- Fundamental Research Funds for the Central Universities
- Ministry of Education, Youth and Sports (MEYS) of the Czech Republic
- Shota Rustaveli National Science Foundation
- Deutsche Forschungsgemeinschaft (DFG) under Germany’s Excellence Strategy - EXC 2121 “Quantum Universe” – 390833306
- Deutsche Forschungsgemeinschaft (DFG), project number 400140256 - GRK2497
- Hellenic Foundation for Research and Innovation, Project Number 2288
- Hungarian Academy of Sciences
- New National Excellence Program - ÚNKP, the NKFIH research grants K 124845, K 124850, K 128713, K 128786, K 129058, K 131991, K 133046, K 138136, K 143460, K 143477, 2020-2.2.1-ED-2021-00181, and TKP2021-NKTA-64
- Council of Scientific and Industrial Research, India
- Latvian Council of Science
- Ministy of Education and Science, project no. 2022/WK/14
- National Science Center, Opus 2021/41/B/ST2/01369 and 2021/43/B/ST2/01552
- Fundação para a Ciência e a Tecnologia, CEECIND/01334/2018
- National Priorities Research Program by Qatar National Research Fund
- Programa Estatal de Fomento de la Investigación Científica y Técnica de Excelencia María de Maeztu, grant MDM-2017-0765 and projects PID2020-113705RB, PID2020-113304RB, PID2020-116262RB and PID2020-113341RB-I00
- Programa Severo Ochoa del Principado de Asturias
- Rachadapisek Sompot Fund for Postdoctoral Fellowship, Chulalongkorn University (Thailand)
- CUAASC
- Kavli Foundation
- Nvidia Corporation
- Welch Foundation, contract C-1845
- Weston Havens Foundation
- Institut für Hochenergiephysik (HEPHY) using the Cloud Infrastructure Platform (CLIP), Vienna
- Inter-University Institute for High Energies, Brussels
- Université Catholique de Louvain, Louvain-la-Neuve
- São Paulo Research and Analysis Center, São Paulo
- Universidade do Estado do Rio de Janeiro, Rio de Janeiro
- University of Sofia, Sofia
- Institute of High Energy Physics of the Chinese Academy of Sciences, Beijing
- National Institute of Chemical Physics and Biophysics, Tallinn
- Helsinki Institute of Physics, Helsinki
- Grille de Recherche d’Ile de France (GRIF), Institut de recherche sur les lois fondamentales de l’Univers, CEA, Université Paris-Saclay, Gif-sur-Yvette, France and Laboratoire Leprince-Ringuet, CNRS/IN2P3, Ecole Polytechnique, Institut Polytechnique de Paris
- Institut de recherche sur les lois fondamentales de l’Univers, CEA, Université Paris-Saclay, Gif-sur-Yvette
- Institut national de physique nucléaire et de physique des particules, IN2P3, Villeurbanne
- Institut Pluridisciplinaire Hubert Curien (IPHC), Strasbourg
- Laboratoire Leprince-Ringuet, CNRS/IN2P3, Ecole Polytechnique, Institut Polytechnique de Paris, Palaiseau
- Deutsches Elektronen-Synchrotron, Hamburg
- Karlsruher Institut für Technologie, Karlsruhe
- RWTH Aachen University, Aachen
- University of Ioánnina, Ioánnina
- Wigner Research Centre for Physics, Budapest
- Tata Institute of Fundamental Research, Mumbai
- INFN CNAF, Bologna
- INFN Sezione di Bari, Università di Bari, Politecnico di Bari, Bari
- INFN Sezione di Pisa, Università di Pisa, Scuola Normale Superiore di Pisa, Pisa
- INFN Sezione di Roma, Sapienza Università di Roma, Rome
- INFN Sezione di Trieste, Università di Trieste, Trieste
- Laboratori Nazionali di Legnaro, Legnaro
- Kyungpook National University, Daegu
- National Centre for Physics, Quaid-I-Azam University, Islamabad
- Akademickie Centrum Komputerowe Cyfronet AGH, Krakow
- National Centre for Nuclear Research, Swierk
- Laboratório de Instrumentação e Física Experimental de Partículas, Lisboa
- Korea Institute of Science and Technology Information (KISTI), Daejeon
- Centro de Investigaciones Energéticas Medioambientales y Tecnológicas (CIEMAT), Madrid
- Instituto de Física de Cantabria (IFCA), CSIC-Universidad de Cantabria, Santander
- Port d’Informació Científica, Bellaterra
- CERN, European Organization for Nuclear Research, Geneva
- CSCS - Swiss National Supercomputing Centre, Lugano
- National Center for High-performance Computing (NCHC), Hsinchu City
- National Central University, Chung-Li,
- Middle East Technical University, Physics Department, Ankara
- National Scientific Center, Kharkov Institute of Physics and Technology, Kharkov
- GridPP, Brunel University, Uxbridge
- GridPP, Imperial College, London
- GridPP, Queen Mary University of London, London
- GridPP, Royal Holloway, University of London, London
- GridPP, Rutherford Appleton Laboratory, Didcot
- GridPP, University of Bristol, Bristol
- GridPP, University of Glasgow, Glasgow
- Baylor University, Waco
- California Institute of Technology, Pasadena
- Fermi National Accelerator Laboratory, Batavia
- Massachusetts Institute of Technology, Cambridge
- National Energy Research Scientific Computing Center (NERSC), a U.S. Department of Energy Office of Science User Facility, Berkeley
- Open Science Grid (OSG) Consortium
- Pittsburgh Supercomputing Center (PSC), Pittsburgh
- Purdue University, West Lafayette
- San Diego Supercomputer Center (SDSC), La Jolla
- Texas Advanced Computing Center (TACC), Austin
- University of California, San Diego, La Jolla
- University of Colorado Boulder, Boulder
- University of Florida, Gainesville
- University of Nebraska-Lincoln, Lincoln
- University of Puerto Rico, Mayaguez
- University of Wisconsin - Madison, Madison
- Vanderbilt University, Nashville
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Tumasyan A, Adam W, Andrejkovic JW, Bergauer T, Chatterjee S, Damanakis K, Dragicevic M, Valle AED, Hussain PS, Jeitler M, Krammer N, Lechner L, Liko D, Mikulec I, Paulitsch P, Pitters FM, Schieck J, Schöfbeck R, Schwarz D, Sonawane M, Templ S, Waltenberger W, Wulz CE, Darwish MR, Janssen T, Kello T, Sfar HR, Mechelen PV, Bols ES, D’Hondt J, De Moor A, Delcourt M, Faham HE, Lowette S, Moortgat S, Morton A, Müller D, Sahasransu AR, Tavernier S, Doninck WV, Vannerom D, Clerbaux B, De Lentdecker G, Favart L, Hohov D, Jaramillo J, Lee K, Mahdavikhorrami M, Makarenko I, Malara A, Paredes S, Pétré L, Postiau N, Thomas L, Bemden MV, Velde CV, Vanlaer P, Dobur D, Knolle J, Lambrecht L, Mestdach G, Rendón C, Samalan A, Skovpen K, Tytgat M, Bossche NVD, Vermassen B, Wezenbeek L, Benecke A, Bruno G, Bury F, Caputo C, David P, Delaere C, Donertas IS, Giammanco A, Jaffel K, Jain S, Lemaitre V, Mondal K, Taliercio A, Tran TT, Vischia P, Wertz S, Alves GA, Coelho E, Hensel C, Moraes A, Teles PR, 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P, Bourilkov D, Cadamuro L, Cherepanov V, Field RD, Kim M, Koenig E, Konigsberg J, Korytov A, Kuznetsova E, Lo KH, Matchev K, Menendez N, Mitselmakher G, Madhu AM, Rawal N, Rosenzweig D, Rosenzweig S, Shi K, Wang J, Wu Z, Adams T, Askew A, Bower N, Habibullah R, Hagopian V, Kolberg T, Martinez G, Prosper H, Viazlo O, Wulansatiti M, Yohay R, Zhang J, Baarmand MM, Butalla S, Elkafrawy T, Hohlmann M, Verma RK, Rahmani M, Yumiceva F, Adams MR, Gonzalez HB, Cavanaugh R, Dittmer S, Evdokimov O, Gerber CE, Hofman DJ, Lemos DS, Merrit AH, Mills C, Oh G, Roy T, Rudrabhatla S, Tonjes MB, Varelas N, Wang X, Ye Z, Yoo J, Alhusseini M, Dilsiz K, Emediato L, Karaman G, Köseyan OK, Merlo JP, Mestvirishvili A, Nachtman J, Neogi O, Ogul H, Onel Y, Penzo A, Snyder C, Tiras E, Amram O, Blumenfeld B, Corcodilos L, Davis J, Gritsan AV, Kyriacou S, Maksimovic P, Roskes J, Sekhar S, Swartz M, Vámi T, Abreu A, Alcerro LFA, Anguiano J, Baringer P, Bean A, Flowers Z, Isidori T, King J, Krintiras G, Lazarovits M, Mahieu CL, Lindsey C, Marquez J, Minafra N, Murray M, Nickel M, Rogan C, Royon C, Salvatico R, Sanders S, Smith C, Wang Q, Wilson G, Allmond B, Duric S, Ivanov A, Kaadze K, Kalogeropoulos A, Kim D, Maravin Y, Mitchell T, Modak A, Nam K, Roy D, Rebassoo F, Wright D, Adams E, Baden A, Baron O, Belloni A, Bethani A, Eno SC, Hadley NJ, Jabeen S, Kellogg RG, Koeth T, Lai Y, Lascio S, Mignerey AC, Nabili S, Palmer C, Papageorgakis C, Wang L, Wong K, Abercrombie D, Busza W, Cali IA, Chen Y, D’Alfonso M, Eysermans J, Freer C, Gomez-Ceballos G, Goncharov M, Harris P, Hu M, Kovalskyi D, Krupa J, Lee YJ, Long K, Mironov C, Paus C, Rankin D, Roland C, Roland G, Shi Z, Stephans GSF, Wang J, Wang Z, Wyslouch B, Yang TJ, Chatterjee RM, Crossman B, Evans A, Hiltbrand J, Joshi BM, Kapsiak C, Krohn M, Kubota Y, Mans J, Revering M, Rusack R, Saradhy R, Schroeder N, Strobbe N, Wadud MA, Cremaldi LM, Bloom K, Bryson M, Claes DR, Fangmeier C, Finco L, Golf F, Joo C, Kamalieddin R, Kravchenko I, Reed I, Siado JE, Snow GR, Tabb W, Wightman A, Yan F, Zecchinelli AG, Agarwal G, Bandyopadhyay H, Hay L, Iashvili I, Kharchilava A, McLean C, Morris M, Nguyen D, Pekkanen J, Rappoccio S, Williams A, Alverson G, Barberis E, Haddad Y, Han Y, Krishna A, Li J, Lidrych J, Madigan G, Marzocchi B, Morse DM, Nguyen V, Orimoto T, Parker A, Skinnari L, Tishelman-Charny A, Wamorkar T, Wang B, Wisecarver A, Wood D, Bhattacharya S, Bueghly J, Chen Z, Gilbert A, Hahn KA, Liu Y, Odell N, Schmitt MH, Velasco M, Band R, Bucci R, Cremonesi M, Das A, Goldouzian R, Hildreth M, Anampa KH, Jessop C, Lannon K, Lawrence J, Loukas N, Lutton L, Mariano J, Marinelli N, Mcalister I, McCauley T, Mcgrady C, Mohrman K, Moore C, Musienko Y, Ruchti R, Townsend A, Wayne M, Yockey H, Zarucki M, Zygala L, Bylsma B, Carrigan M, Durkin LS, Francis B, Hill C, Joyce M, Lesauvage A, Ornelas MN, Wei K, Winer BL, Yates BR, Addesa FM, Das P, Dezoort G, Elmer P, Frankenthal A, Greenberg B, Haubrich N, Higginbotham S, Kopp G, Kwan S, Lange D, Marlow D, Ojalvo I, Olsen J, Stickland D, Tully C, Malik S, Norberg S, Bakshi AS, Barnes VE, Chawla R, Das S, Gutay L, Jones M, Jung AW, Kondratyev D, Koshy AM, Liu M, Negro G, Neumeister N, Paspalaki G, Piperov S, Purohit A, Schulte JF, Stojanovic M, Thieman J, Wang F, Xiao R, Xie W, Dolen J, Parashar N, Acosta D, Baty A, Carnahan T, Dildick S, Ecklund KM, Manteca PJF, Freed S, Gardner P, Geurts FJM, Kumar A, Li W, Padley BP, Redjimi R, Rotter J, Yang S, Yigitbasi E, Zhang L, Zhang Y, Bodek A, de Barbaro P, Demina R, Dulemba JL, Fallon C, Ferbel T, Galanti M, Garcia-Bellido A, Hindrichs O, Khukhunaishvili A, Parygin P, Popova E, Ranken E, Taus R, Onsem GPV, Goulianos K, Chiarito B, Chou JP, Gershtein Y, Halkiadakis E, Hart A, Heindl M, Jaroslawski D, Karacheban O, Laflotte I, Lath A, Montalvo R, Nash K, Osherson M, Routray H, Salur S, Schnetzer S, Somalwar S, Stone R, Thayil SA, Thomas S, Wang H, Acharya H, Delannoy AG, Fiorendi S, Holmes T, Nibigira E, Spanier S, Bouhali O, Dalchenko M, Delgado A, Eusebi R, Gilmore J, Huang T, Kamon T, Kim H, Luo S, Malhotra S, Mueller R, Overton D, Rathjens D, Safonov A, Akchurin N, Damgov J, Hegde V, Lamichhane K, Lee SW, Mengke T, Muthumuni S, Peltola T, Volobouev I, Whitbeck A, Appelt E, Greene S, Gurrola A, Johns W, Melo A, Romeo F, Sheldon P, Tuo S, Velkovska J, Viinikainen J, Cardwell B, Cox B, Cummings G, Hakala J, Hirosky R, Ledovskoy A, Li A, Neu C, Lara CEP, Tannenwald B, Karchin PE, Poudyal N, Banerjee S, Black K, Bose T, Dasu S, De Bruyn I, Everaerts P, Galloni C, He H, Herndon M, Herve A, Koraka CK, Lanaro A, Loeliger A, Loveless R, Sreekala JM, Mallampalli A, Mohammadi A, Mondal S, Parida G, Pinna D, Savin A, Shang V, Sharma V, Smith WH, Teague D, Tsoi HF, Vetens W, Afanasiev S, Andreev V, Andreev Y, Aushev T, Azarkin M, Babaev A, Belyaev A, Blinov V, Boos E, Borshch V, Budkouski D, Chekhovsky V, Chistov R, Danilov M, Dermenev A, Dimova T, Dremin I, Dubinin M, Dudko L, Epshteyn V, Ershov A, Gavrilov G, Gavrilov V, Gninenko S, Golovtcov V, Golubev N, Golutvin I, Gorbunov I, Gribushin A, Ivanov Y, Kachanov V, Kardapoltsev L, Karjavine V, Karneyeu A, Kim V, Kirakosyan M, Kirpichnikov D, Kirsanov M, Klyukhin V, Kodolova O, Konstantinov D, Korenkov V, Kozyrev A, Krasnikov N, Lanev A, Levchenko P, Litomin A, Lychkovskaya N, Makarenko V, Malakhov A, Matveev V, Murzin V, Nikitenko A, Obraztsov S, Oskin A, Ovtin I, Palichik V, Perelygin V, Petrushanko S, Polikarpov S, Popov V, Radchenko O, Savina M, Savrin V, Shalaev V, Shmatov S, Shulha S, Skovpen Y, Slabospitskii S, Smirnov V, Snigirev A, Sosnov D, Sulimov V, Tcherniaev E, Terkulov A, Teryaev O, Tlisova I, Toropin A, Uvarov L, Uzunian A, Vlasov E, Vorobyev A, Voytishin N, Yuldashev BS, Zarubin A, Zhizhin I, Zhokin A. Measurement of the production cross section for a W boson in association with a charm quark in proton-proton collisions at s=13TeV. Eur Phys J C Part Fields 2024; 84:27. [PMID: 38227819 PMCID: PMC10781857 DOI: 10.1140/epjc/s10052-023-12258-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Accepted: 11/15/2023] [Indexed: 01/18/2024]
Abstract
The strange quark content of the proton is probed through the measurement of the production cross section for a W boson and a charm (c) quark in proton-proton collisions at a center-of-mass energy of 13Te V . The analysis uses a data sample corresponding to a total integrated luminosity of 138fb - 1 collected with the CMS detector at the LHC. The W bosons are identified through their leptonic decays to an electron or a muon, and a neutrino. Charm jets are tagged using the presence of a muon or a secondary vertex inside the jet. The W + c production cross section and the cross section ratio R c ± = σ ( W + + c ¯ ) / σ ( W - + c ) are measured inclusively and differentially as functions of the transverse momentum and the pseudorapidity of the lepton originating from the W boson decay. The precision of the measurements is improved with respect to previous studies, reaching 1% in R c ± = 0.950 ± 0.005 (stat) ± 0.010 (syst) . The measurements are compared with theoretical predictions up to next-to-next-to-leading order in perturbative quantum chromodynamics.
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Grants
- SC
- Austrian Federal Ministry of Education, Science and Research
- Austrian Science Fund
- Belgian Fonds de la Recherche Scientifique
- Belgian Fonds voor Wetenschappelijk Onderzoek
- CNPq
- CAPES
- FAPERJ
- FAPERGS
- FAPESP
- Bulgarian Ministry of Education and Science
- Bulgarian National Science Fund
- CERN
- Chinese Academy of Sciences
- Ministry of Science and Technology
- Chinese National Natural Science Foundation of China
- Colombian Funding Agency (MINICIENCIAS)
- Croatian Ministry of Science, Education and Sport
- Croatian Science Foundation
- Research and Innovation Foundation
- SENESCYT
- Ministry of Education and Research
- Estonian Research Council via PRG780, PRG803, and PRG445
- European Regional Development Fund
- Academy of Finland
- Finnish Ministry of Education and Culture
- Helsinki Institute of Physics
- Institut National de Physique Nucléaire et de Physique des Particules
- Centre National de la Recherche Scientifique
- Commissariat à l’Énergie Atomique et aux Énergies Alternatives
- Bundesministerium für Bildung und Forschung
- Deutsche Forschungsgemeinschaft
- Helmholtz-Gemeinschaft Deutscher Forschungszentren
- General Secretariat for Research and Innovation
- National Research, Development and Innovation Office
- Department of Atomic Energy
- Department of Science and Technology
- Institute for Research in Fundamental Studies
- Science Foundation
- Istituto Nazionale di Fisica Nucleare
- Korean Ministry of Education, Science and Technology
- National Research Foundation of Korea (NRF)
- MES
- Lithuanian Academy of Sciences
- Ministry of Education
- University of Malaya
- BUAP
- CINVESTAV
- CONACYT
- LNS
- SEP
- UASLP
- MOS
- Ministry of Business, Innovation and Employment
- Pakistan Atomic Energy Commission
- Ministry of Educaton and Science
- National Science Centre
- Fundação para a Ciência e a Tecnologia, CERN/FIS-PAR/0025/2019 and CERN/FIS-INS/0032/2019
- JINR, Dubna
- Ministry of Education and Science of the Russian Federation
- Federal Agency of Atomic Energy of the Russian Federation
- Russian Academy of Sciences
- Russian Foundation for Basic Research
- National Research Center “Kurchatov Institute”
- Ministry of Education, Science and Technological Development of Serbia
- MCIN/AEI/10.13039/501100011033, ERDF “a way of making Europe”
- Fondo Europeo de Desarrollo Regional, Spain
- Plan de Ciencia, Tecnología e Innovación del Principado de Asturias
- MOSTR
- ETH Board
- ETH Zurich
- PSI
- SNF
- UniZH
- Canton Zurich
- SER
- Thailand Center of Excellence in Physics
- Institute for the Promotion of Teaching Science and Technology of Thailand
- Special Task Force for Activating Research
- National Science and Technology Development Agency of Thailand
- Scientific and Technical Research Council of Turkey
- Turkish Atomic Energy Authority
- National Academy of Sciences of Ukraine
- Science and Technology Facilities Council
- US Department of Energy
- US National Science Foundation
- Marie-Curie programme
- European Research Council and EPLANET (European Union)
- European Research Council/European Cooperation in Science and Technology), Action CA16108
- Horizon 2020 Grant, contract Nos. 675440, 724704, 752730, 758316, 765710, 824093, 884104, 683211 (European Union)
- Leventis Foundation
- Alfred P. Sloan Foundation
- Alexander von Humboldt Foundation
- Science Committee, project no. 22rl-037
- Belgian Federal Science Policy Office
- Fonds pour la Formation à la Recherche dans l’Industrie et dans l’Agriculture (FRIA-Belgium)
- Agentschap voor Innovatie door Wetenschap en Technologie (IWT-Belgium)
- Belgian Fonds de la Recherche Scientifique, “Excellence of Science - EOS” - be.h project n. 30820817
- Belgian Fonds voor Wetenschappelijk Onderzoek, “Excellence of Science - EOS” - be.h project n. 30820817
- Beijing Municipal Science & Technology Commission, No. Z191100007219010
- Ministry of Education, Youth and Sports (MEYS) of the Czech Republic
- Shota Rustaveli National Science Foundation
- Deutsche Forschungsgemeinschaft (DFG) under Germany’s Excellence Strategy – EXC 2121 “Quantum Universe” – 390833306
- Deutsche Forschungsgemeinschaft (DFG), project numbers 400140256 - GRK2497, RTG2044, INST 39/963-1 FUGG (bwForCluster NEMO) ; 396021762 – TRR 257: P3H
- Ministry of Science, Research and Art Baden-Württemberg, through bwHPC
- Hellenic Foundation for Research and Innovation, Project Number 2288
- Hungarian Academy of Sciences
- New National Excellence Program - ÚNKP, the NKFIH research grants K 124845, K 124850, K 128713, K 128786, K 129058, K 131991, K 133046, K 138136, K 143460, K 143477, 2020-2.2.1-ED-2021-00181, and TKP2021-NKTA-64
- Council of Scientific and Industrial Research, India
- Latvian Council of Science
- Ministy of Education and Science, project no. 2022/WK/14
- National Science Center, Opus 2021/41/B/ST2/01369 and 2021/43/B/ST2/01552
- Fundação para a Ciência e a Tecnologia, CEECIND/01334/2018
- National Priorities Research Program by Qatar National Research Fund
- Ministry of Science and Higher Education, project no. FSWU-2023-0073 and FSWW-2020-0008
- Programa Estatal de Fomento de la Investigación Científica y Técnica de Excelencia María de Maeztu, grant MDM-2017-0765 and projects PID2020-113705RB, PID2020-113304RB, PID2020-116262RB and PID2020-113341RB-I00
- Programa Severo Ochoa del Principado de Asturias
- Rachadapisek Sompot Fund for Postdoctoral Fellowship, Chulalongkorn University (Thailand)
- CUAASC
- Isaac Newton Trust
- Leverhulme Trust
- Kavli Foundation
- Nvidia Corporation
- Welch Foundation, contract C-1845
- Weston Havens Foundation
- Institut für Hochenergiephysik (HEPHY) using the Cloud Infrastructure Platform (CLIP), Vienna
- Inter-University Institute for High Energies, Brussels
- Université Catholique de Louvain, Louvain-la-Neuve
- São Paulo Research and Analysis Center, São Paulo
- Universidade do Estado do Rio de Janeiro, Rio de Janeiro
- University of Sofia, Sofia
- Institute of High Energy Physics of the Chinese Academy of Sciences, Beijing
- National Institute of Chemical Physics and Biophysics, Tallinn
- Helsinki Institute of Physics, Helsinki
- Grille de Recherche d’Ile de France (GRIF), Institut de recherche sur les lois fondamentales de l’Univers, CEA, Université Paris-Saclay, Gif-sur-Yvette, France and Laboratoire Leprince-Ringuet, CNRS/IN2P3, Ecole Polytechnique, Institut Polytechnique de Paris
- Institut de recherche sur les lois fondamentales de l’Univers, CEA, Université Paris-Saclay, Gif-sur-Yvette
- Institut national de physique nucléaire et de physique des particules, IN2P3, Villeurbanne
- Institut Pluridisciplinaire Hubert Curien (IPHC), Strasbourg
- Laboratoire Leprince-Ringuet, CNRS/IN2P3, Ecole Polytechnique, Institut Polytechnique de Paris, Palaiseau
- Deutsches Elektronen-Synchrotron, Hamburg
- Karlsruher Institut für Technologie, Karlsruhe
- RWTH Aachen University, Aachen
- University of Ioánnina, Ioánnina
- Wigner Research Centre for Physics, Budapest
- Tata Institute of Fundamental Research, Mumbai
- INFN CNAF, Bologna
- INFN Sezione di Bari, Università di Bari, Politecnico di Bari, Bari
- INFN Sezione di Pisa, Università di Pisa, Scuola Normale Superiore di Pisa, Pisa
- INFN Sezione di Roma, Sapienza Università di Roma, Rome
- INFN Sezione di Trieste, Università di Trieste, Trieste
- Laboratori Nazionali di Legnaro, Legnaro
- Kyungpook National University, Daegu
- National Centre for Physics, Quaid-I-Azam University, Islamabad
- Akademickie Centrum Komputerowe Cyfronet AGH, Krakow
- National Centre for Nuclear Research, Swierk
- Laboratório de Instrumentação e Física Experimental de Partículas, Lisboa
- Institute for High Energy Physics of National Research Centre ‘Kurchatov Institute’, Protvino
- Institute for Nuclear Research (INR) of the Russian Academy of Sciences, Troitsk
- Institute for Theoretical and Experimental Physics named by A.I. Alikhanov of NRC ‘Kurchatov Institute’, Moscow
- Joint Institute for Nuclear Research, Dubna
- Korea Institute of Science and Technology Information (KISTI), Daejeon
- Centro de Investigaciones Energéticas Medioambientales y Tecnológicas (CIEMAT), Madrid
- Instituto de Física de Cantabria (IFCA), CSIC-Universidad de Cantabria, Santander
- Port d’Informació Científica, Bellaterra
- CERN, European Organization for Nuclear Research, Geneva
- CSCS - Swiss National Supercomputing Centre, Lugano
- National Center for High-performance Computing (NCHC), Hsinchu City
- National Central University, Chung-Li
- Middle East Technical University, Physics Department, Ankara
- National Scientific Center, Kharkov Institute of Physics and Technology, Kharkov
- GridPP, Brunel University, Uxbridge
- GridPP, Imperial College, London
- GridPP, Queen Mary University of London, London
- GridPP, Royal Holloway, University of London, London
- GridPP, Rutherford Appleton Laboratory, Didcot
- GridPP, University of Bristol, Bristol
- GridPP, University of Glasgow, Glasgow
- Baylor University, Waco
- California Institute of Technology, Pasadena
- Fermi National Accelerator Laboratory, Batavia
- Massachusetts Institute of Technology, Cambridge
- National Energy Research Scientific Computing Center (NERSC), a U.S. Department of Energy Office of Science User Facility, Berkeley
- Open Science Grid (OSG) Consortium
- Pittsburgh Supercomputing Center (PSC), Pittsburgh
- Purdue University, West Lafayette
- San Diego Supercomputer Center (SDSC), La Jolla
- Texas Advanced Computing Center (TACC), Austin
- University of California, San Diego, La Jolla
- University of Colorado Boulder, Boulder
- University of Florida, Gainesville
- University of Nebraska-Lincoln, Lincoln
- University of Puerto Rico, Mayaguez
- University of Wisconsin - Madison, Madison
- Vanderbilt University, Nashville
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Dias JS, Beltrão-Mendes R, Bezerra TL, La Corte R. Parasites and Viruses in Callithrix in Brazil. Acta Parasitol 2024:10.1007/s11686-023-00766-y. [PMID: 38184509 DOI: 10.1007/s11686-023-00766-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2023] [Accepted: 11/22/2023] [Indexed: 01/08/2024]
Abstract
PURPOSE As a result of environmental imbalances of anthropogenic origin, the potential for transmission of parasites and viruses between different primates, including humans, might increase. Thus, parasitic studies have great relevance to primatology, which motivated us to conduct a literature review to synthesize the information available in American primates of the Callithrix genus. METHODS We carried out the bibliographic search on the main groups of parasites (protozoa, helminths, arthropods, ectoparasites) and viruses found in Callithrix in Brazil in search platforms and consider all manuscript that appeared in search engines, published between the years 1910 and December 2022. In each selected article, the following information was recorded: the host species; parasite taxa; scientific classification of the parasite; host habitat (free-living, captive); diagnostic technique; state; and bibliographic reference. Data were tabulated and arranged in a parasite-host table. RESULTS Some endemic genera, such as Callithrix, are widely distributed geographically across Brazil and have characteristics of adaptation to different habitats due to their flexibility in diet and behavior. These factors can make them subject to a greater diversity of parasites and viruses in the country. Here, we identified 68 parasitic taxa, belonging to the clades protozoa (n = 22), helminths (n = 34), ectoparasites (n = 7), and viruses (n = 5). Out of this total, 19 have zoonotic potential. Of the six existing marmoset species, Callithrix jacchus was the most frequent in studies, and Callithrix flaviceps did not have reports. All regions of the country had occurrences, mainly the Southeast, where 54% of the cases were reported. In 46% of the reported parasites and viruses, it was not possible to identify the corresponding species. CONCLUSION We conclude that in part of the works the identification methods are not being specific, which makes it difficult to identify the species that affects Callithrix spp. Furthermore, the studies present geographic disparities, being concentrated in the southeast of the country, making it impossible to have a more uniform analysis of the findings. Thus, it is observed that information about parasites and viruses is incipient in the genus Callithrix in Brazil.
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Affiliation(s)
- Jéssica Souza Dias
- Programa de Pós-Graduação em Biologia Parasitária, Universidade Federal de Sergipe, São Cristóvão, Sergipe, Brazil.
- Laboratory of Tropical Entomology and Parasitology, Federal University of Sergipe, Avenue Marechal Rondon, S/N, Jardim Rosa Elze, São Cristóvão, Sergipe, 49100-000, Brazil.
| | - Raone Beltrão-Mendes
- Programa de Pós-Graduação em Ecologia e Conservação, Universidade Federal de Sergipe, São Cristóvão, SE, Brazil
| | - Taynar Lima Bezerra
- Programa de Pós-Graduação em Ciência Animal nos Trópicos, Universidade Federal da Bahia, Salvador, BA, Brazil
| | - Roseli La Corte
- Programa de Pós-Graduação em Biologia Parasitária, Universidade Federal de Sergipe, São Cristóvão, Sergipe, Brazil
- Departamento de Morfologia, Universidade Federal de Sergipe, São Cristóvão, SE, Brazil
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38
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Canal D, Dos Santos PHD, de Avelar Carpinetti P, Silva MA, Fernandes M, Brustolini OJB, Ferreira A, da Silva Ferreira MF. Exploring the versatility of sesquiterpene biosynthesis in guava plants: a comparative genome-wide analysis of two cultivars. Sci Rep 2024; 14:574. [PMID: 38182724 PMCID: PMC10770072 DOI: 10.1038/s41598-023-51007-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2023] [Accepted: 12/29/2023] [Indexed: 01/07/2024] Open
Abstract
Psidium guajava L., a fruit crop belonging to the Myrtaceae family, is highly valued for its nutritional and medicinal properties. The family exhibits a diverse chemical profile of essential oils and serves as a valuable resource due to its ecological interactions, adaptability, and dispersal capacity. The Myrtaceae family has been extensively studied for its terpenoids. Genetic studies have focused on foliar terpene yield in species from the Eucalypteae and Melaleucaceae tribes. To understand the evolutionary trends in guava breeding, this study predicted terpene synthase genes (TPS) from different cultivars. Through this analysis, 43 full-length TPS genes were identified, and approximately 77% of them exhibited relative expression in at least one of the five investigated plant tissues (root, leaf, bud, flower, and fruit) of two guava cultivars. We identified intra-species variation in the terpene profile and single nucleotide polymorphisms (SNPs) in twelve TPS genes, resulting in the clustering of 62 genotypes according to their essential oil chemotypes. The high concentration of sesquiterpenes is supported by the higher number of TPS-a genes and their expression. The expansion for TPS sub-families in P. guajava occurred after the expansion of other rosids species. Providing insight into the origin of structural diversification and expansion in each clade of the TPS gene family within Myrtaceae. This study can provide insights into the diversity of genes for specialized metabolites such as terpenes, and their regulation, which can lead to a diverse chemotype of essential oil in different tissues and genotypes. This suggests a mode of enzymatic evolution that could lead to high sesquiterpene production, act as a chemical defense and contribute to the adaptive capacity of this species to different habitats.
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Affiliation(s)
- Drielli Canal
- Department of Agronomy, Center for Agricultural Sciences and Engineering, Federal University of Espírito Santo, Alto Universitário, s/n, Guararema, Alegre, ES, 29500-000, Brazil
| | - Pedro Henrique Dias Dos Santos
- Department of Agronomy, Center for Agricultural Sciences and Engineering, Federal University of Espírito Santo, Alto Universitário, s/n, Guararema, Alegre, ES, 29500-000, Brazil
| | - Paola de Avelar Carpinetti
- Department of Agronomy, Center for Agricultural Sciences and Engineering, Federal University of Espírito Santo, Alto Universitário, s/n, Guararema, Alegre, ES, 29500-000, Brazil
| | - Matheus Alves Silva
- Department of Agronomy, Center for Agricultural Sciences and Engineering, Federal University of Espírito Santo, Alto Universitário, s/n, Guararema, Alegre, ES, 29500-000, Brazil
| | - Miquéias Fernandes
- Department of Agronomy, Center for Agricultural Sciences and Engineering, Federal University of Espírito Santo, Alto Universitário, s/n, Guararema, Alegre, ES, 29500-000, Brazil
| | | | - Adésio Ferreira
- Department of Agronomy, Center for Agricultural Sciences and Engineering, Federal University of Espírito Santo, Alto Universitário, s/n, Guararema, Alegre, ES, 29500-000, Brazil
| | - Marcia Flores da Silva Ferreira
- Department of Agronomy, Center for Agricultural Sciences and Engineering, Federal University of Espírito Santo, Alto Universitário, s/n, Guararema, Alegre, ES, 29500-000, Brazil.
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Orzari LO, Silva LRGE, de Freitas RC, Brazaca LC, Janegitz BC. Lab-made disposable screen-printed electrochemical sensors and immunosensors modified with Pd nanoparticles for Parkinson's disease diagnostics. Mikrochim Acta 2024; 191:76. [PMID: 38172448 DOI: 10.1007/s00604-023-06158-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Accepted: 12/15/2023] [Indexed: 01/05/2024]
Abstract
A new conductive ink based on the addition of carbon black to a poly(vinyl alcohol) matrix is developed and investigated for electrochemical sensing and biosensing applications. The produced devices were characterized using morphological and electrochemical techniques and modified with Pd nanoparticles to enhance electrical conductivity and reaction kinetics. With the aid of chemometrics, the parameters for metal deposition were investigated and the sensor was applied to the determination of Parkinson's disease biomarkers, specifically epinephrine and α-synuclein. A linear behavior was obtained in the range 0.75 to 100 μmol L-1 of the neurotransmitter, and the device displayed a limit of detection (LOD) of 0.051 μmol L-1. The three-electrode system was then tested using samples of synthetic cerebrospinal fluid. Afterward, the device was modified with specific antibodies to quantify α-synuclein using electrochemical impedance spectroscopy. In phosphate buffer, a linear range was obtained for α-synuclein concentrations from 1.5 to 15 μg mL-1, with a calculated LOD of 0.13 μg mL-1. The proposed immunosensor was also applied to blood serum samples, and, in this case, the linear range was observed from 6.0 to 100.5 μg mL-1 of α-synuclein, with a LOD = 1.3 µg mL-1. Both linear curves attend the range for the real diagnosis, demonstrating its potential application to complex matrices.
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Affiliation(s)
- Luiz Otávio Orzari
- Department of Nature Sciences, Mathematics and Education, Federal University of São Carlos, Araras, SP, 13600-970, Brazil
- Department of Physics, Chemistry and Mathematics, Federal University of São Carlos, Sorocaba, SP, 18052-780, Brazil
| | - Luiz Ricardo Guterres E Silva
- Department of Nature Sciences, Mathematics and Education, Federal University of São Carlos, Araras, SP, 13600-970, Brazil
- Department of Physics, Chemistry and Mathematics, Federal University of São Carlos, Sorocaba, SP, 18052-780, Brazil
| | - Rafaela Cristina de Freitas
- Department of Nature Sciences, Mathematics and Education, Federal University of São Carlos, Araras, SP, 13600-970, Brazil
- Department of Physics, Chemistry and Mathematics, Federal University of São Carlos, Sorocaba, SP, 18052-780, Brazil
| | - Laís Canniatti Brazaca
- São Carlos Institute of Chemistry, University of São Paulo, São Carlos, SP, 13566-590, Brazil
| | - Bruno Campos Janegitz
- Department of Nature Sciences, Mathematics and Education, Federal University of São Carlos, Araras, SP, 13600-970, Brazil.
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Fleitas O, Fontes W, De Souza CM, Da Costa MC, Cardoso MH, Castro MS, Sousa MV, Ricart CAO, Ramada MHS, Duque HM, Porto WF, Silva ON, Franco OL. A proteomic perspective on the resistance response of Klebsiella pneumoniae to antimicrobial peptide PaDBS1R1. J Antimicrob Chemother 2024; 79:112-122. [PMID: 37966053 DOI: 10.1093/jac/dkad354] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Accepted: 10/31/2023] [Indexed: 11/16/2023] Open
Abstract
BACKGROUND The synthetic antimicrobial peptide, PaDBS1R1, has been reported as a powerful anti-Klebsiella pneumoniae antimicrobial. However, there is only scarce knowledge about whether K. pneumoniae could develop resistance against PaDBS1R1 and which resistance mechanisms could be involved. OBJECTIVES Identify via label-free shotgun proteomics the K. pneumoniae resistance mechanisms developed against PaDBS1R1. METHODS An adaptive laboratory evolution experiment was performed to obtain a PaDBS1R1-resistant K. pneumoniae lineage. Antimicrobial susceptibility was determined through microdilution assay. Modifications in protein abundances between the resistant and sensitive lineages were measured via label-free quantitative shotgun proteomics. Enriched Gene Ontology terms and KEGG pathways were identified through over-representation analysis. Data are available via ProteomeXchange with identifier PXD033020. RESULTS K. pneumoniae ATCC 13883 parental strain challenged with increased subinhibitory PaDBS1R1 concentrations allowed the PaDBS1R1-resistant K. pneumoniae lineage to emerge. Proteome comparisons between PaDBS1R1-resistant K. pneumoniae and PaDBS1R1-sensitive K. pneumoniae under PaDBS1R1-induced stress conditions enabled the identification and quantification of 1702 proteins, out of which 201 were differentially abundant proteins (DAPs). The profiled DAPs comprised 103 up-regulated proteins (adjusted P value < 0.05, fold change ≥ 2) and 98 down-regulated proteins (adjusted P value < 0.05, fold change ≤ 0.5). The enrichment analysis suggests that PhoPQ-guided LPS modifications and CpxRA-dependent folding machinery could be relevant resistance mechanisms against PaDBS1R1. CONCLUSIONS Based on experimental evolution and a label-free quantitative shotgun proteomic approach, we showed that K. pneumoniae developed resistance against PaDBS1R1, whereas PhoPQ-guided LPS modifications and CpxRA-dependent folding machinery appear to be relevant resistance mechanisms against PaDBS1R1.
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Affiliation(s)
- Osmel Fleitas
- Programa de Pós-Graduação em Patologia Molecular, Universidade de Brasília, Brasília, Brazil
- Centro de Análises Proteômicas e Bioquímicas, Universidade Católica de Brasília, Brasília, Brazil
| | - Wagner Fontes
- Programa de Pós-Graduação em Patologia Molecular, Universidade de Brasília, Brasília, Brazil
- Laboratório de Bioquímica e Química de Proteínas, Universidade de Brasília, Brasília, Brazil
| | - Camila M De Souza
- Centro de Análises Proteômicas e Bioquímicas, Universidade Católica de Brasília, Brasília, Brazil
- Programa de Pós-Graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília, Brazil
| | - Mylena C Da Costa
- Centro de Análises Proteômicas e Bioquímicas, Universidade Católica de Brasília, Brasília, Brazil
| | - Marlon H Cardoso
- Centro de Análises Proteômicas e Bioquímicas, Universidade Católica de Brasília, Brasília, Brazil
- S-Inova Biotech, Programa de Pós-Graduação em Biotecnologia, Universidade Católica Dom Bosco, Campo Grande, Brazil
- Instituto de Biociências (INBIO), Universidade Federal de Mato Grosso do Sul, Cidade Universitária, 79070900, Campo Grande, Mato Grosso do Sul, Brazil
| | - Mariana S Castro
- Programa de Pós-Graduação em Patologia Molecular, Universidade de Brasília, Brasília, Brazil
- Laboratório de Bioquímica e Química de Proteínas, Universidade de Brasília, Brasília, Brazil
| | - Marcelo V Sousa
- Programa de Pós-Graduação em Patologia Molecular, Universidade de Brasília, Brasília, Brazil
- Laboratório de Bioquímica e Química de Proteínas, Universidade de Brasília, Brasília, Brazil
| | - Carlos A O Ricart
- Programa de Pós-Graduação em Patologia Molecular, Universidade de Brasília, Brasília, Brazil
- Laboratório de Bioquímica e Química de Proteínas, Universidade de Brasília, Brasília, Brazil
| | - Marcelo H S Ramada
- Programa de Pós-Graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília, Brazil
- Programa de Pós-Graduação em Gerontologia, Universidade Católica de Brasília, Brasília, Brazil
| | - Harry M Duque
- Centro de Análises Proteômicas e Bioquímicas, Universidade Católica de Brasília, Brasília, Brazil
| | - William F Porto
- Centro de Análises Proteômicas e Bioquímicas, Universidade Católica de Brasília, Brasília, Brazil
| | - Osmar N Silva
- Programa de Pós-graduação em Ciências Farmacêuticas, Universidade Evangélica de Anapólis, University City, 75083-515 Anápolis-GO, Brazil
| | - Octávio L Franco
- Programa de Pós-Graduação em Patologia Molecular, Universidade de Brasília, Brasília, Brazil
- Centro de Análises Proteômicas e Bioquímicas, Universidade Católica de Brasília, Brasília, Brazil
- Programa de Pós-Graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília, Brazil
- S-Inova Biotech, Programa de Pós-Graduação em Biotecnologia, Universidade Católica Dom Bosco, Campo Grande, Brazil
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Costa SF, Soares MF, Poleto Bragato J, dos Santos MO, Rebech GT, de Freitas JH, de Lima VMF. MicroRNA-194 regulates parasitic load and IL-1β-dependent nitric oxide production in the peripheral blood mononuclear cells of dogs with leishmaniasis. PLoS Negl Trop Dis 2024; 18:e0011789. [PMID: 38241360 PMCID: PMC10798644 DOI: 10.1371/journal.pntd.0011789] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Accepted: 11/11/2023] [Indexed: 01/21/2024] Open
Abstract
Domestic dogs are the primary urban reservoirs of Leishmania infantum, the causative agent of visceral leishmaniasis. In Canine Leishmaniasis (CanL), modulation of the host's immune response may be associated with the expression of small non-coding RNAs called microRNA (miR). miR-194 expression increases in peripheral blood mononuclear cells (PBMCs) of dogs with leishmaniasis with a positive correlation with the parasite load and in silico analysis demonstrated that the TRAF6 gene is the target of miR-194 in PBMCs from diseased dogs. Here, we isolated PBMCs from 5 healthy dogs and 28 dogs with leishmaniasis, naturally infected with L. infantum. To confirm changes in miR-194 and TRAF6 expression, basal expression of miR-194 and gene expression of TRAF6 was measured using qPCR. PBMCs from healthy dogs and dogs with leishmaniasis were transfected with miR-194 scramble, mimic, and inhibitor and cultured at 37° C, 5% CO2 for 48 hours. The expression of possible targets was measured: iNOS, NO, T-bet, GATA3, and FoxP3 were measured using flow cytometry; the production of cytokines IL-1β, IL-4, IL-6, IL-10, TNF-α, IFN-γ, and TGF-β in cell culture supernatants was measured using capture enzyme-linked immunosorbent assays (ELISA). Parasite load was measured using cytometry and qPCR. Functional assays followed by miR-194 inhibitor and IL-1β blockade and assessment of NO production were also performed. Basal miR-194 expression was increased in PBMC from dogs with Leishmaniasis and was negatively correlated with TRAF6 expression. The mimic of miR-194 promoted an increase in parasite load. There were no significant changes in T-bet, GATA3, or FoxP3 expression with miR-194 enhancement or inhibition. Inhibition of miR-194 increased IL-1β and NO in PBMCs from diseased dogs, and blockade of IL-1β following miR-194 inhibition decreased NO levels. These findings suggest that miR-194 is upregulated in PBMCs from dogs with leishmaniasis and increases parasite load, possibly decreasing NO production via IL-1β. These results increase our understanding of the mechanisms of evasion of the immune response by the parasite and the identification of possible therapeutic targets.
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Affiliation(s)
- Sidnei Ferro Costa
- Department of Clinical Medicine, Surgery and Animal Reproduction, São Paulo State University (UNESP), School of Veterinary Medicine, Araçatuba, São Paulo, Brazil
| | - Matheus Fujimura Soares
- Department of Clinical Medicine, Surgery and Animal Reproduction, São Paulo State University (UNESP), School of Veterinary Medicine, Araçatuba, São Paulo, Brazil
| | - Jaqueline Poleto Bragato
- Department of Clinical Medicine, Surgery and Animal Reproduction, São Paulo State University (UNESP), School of Veterinary Medicine, Araçatuba, São Paulo, Brazil
| | - Marilene Oliveira dos Santos
- Department of Clinical Medicine, Surgery and Animal Reproduction, São Paulo State University (UNESP), School of Veterinary Medicine, Araçatuba, São Paulo, Brazil
| | - Gabriela Torres Rebech
- Department of Clinical Medicine, Surgery and Animal Reproduction, São Paulo State University (UNESP), School of Veterinary Medicine, Araçatuba, São Paulo, Brazil
| | - Jéssica Henrique de Freitas
- Department of Clinical Medicine, Surgery and Animal Reproduction, São Paulo State University (UNESP), School of Veterinary Medicine, Araçatuba, São Paulo, Brazil
| | - Valéria Marçal Felix de Lima
- Department of Clinical Medicine, Surgery and Animal Reproduction, São Paulo State University (UNESP), School of Veterinary Medicine, Araçatuba, São Paulo, Brazil
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Andrade MRDL, Eloi I, de Oliveira MH, Bezerra-Gusmão MA. Dynamics of dimorphic workers of Constrictotermes cyphergaster (Blattodea: Termitidae) during nest repair. J Insect Sci 2024; 24:1. [PMID: 38195070 PMCID: PMC10776206 DOI: 10.1093/jisesa/iead118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Revised: 10/30/2023] [Accepted: 12/04/2023] [Indexed: 01/11/2024]
Abstract
Termite nest repairs are considered a defensive conduct as they reduce the colony's exposure to the external environment. Repair activities are carried out by worker castes that can be polymorphic, representing a relationship between polymorphism and divisions of functions that can enhance task completion. Repairs are influenced by the extent of damage, nest volume, and the population dynamics of the building species, which regulate the recruitment of individuals for this activity. Our objective was to verify the performances (recruitment for repair) of dimorphic workers of Constrictotermes cyphergaster (Silvestri, 1901) during the damage repair activities performed on the external walls of termite nests of different sizes. We found a significant difference in the presence of dimorphic workers that performed repairs, with greater recruitment of the small morphotype, and observed an alternation of morphotypes between initial and final repair activities, with no influence of morphotype on the replacement pattern. Our results also showed that the total number of recruited workers decreased with increasing nest volume. These results help to better understand the social organization of a Nasutitermitinae termite species and the strategies adopted to protect its colonies.
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Affiliation(s)
- Marllon Rinaldo de Lima Andrade
- Laboratório de Ecologia de Térmitas, Programa de Pós-Graduação em Ecologia e Conservação, Universidade Estadual da Paraíba, Campina Grande, Paraíba, 58.429-500, Brasil
| | - Igor Eloi
- Laboratório de Biologia Comportamental, Programa de Pós-Graduação em Psicobiologia, Departamento de Fisiologia e Comportamento, Universidade Federal do Rio Grande do Norte, Natal – RN, Brasil
| | - Mário Herculano de Oliveira
- Laboratório de Ecologia de Térmitas, Programa de Pós-Graduação em Ecologia e Conservação, Universidade Estadual da Paraíba, Campina Grande, Paraíba, 58.429-500, Brasil
| | - Maria Avany Bezerra-Gusmão
- Laboratório de Ecologia de Térmitas, Programa de Pós-Graduação em Ecologia e Conservação, Universidade Estadual da Paraíba, Campina Grande, Paraíba, 58.429-500, Brasil
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Jurisch M, Fantini C, Augusti R, Almeida MR. Combining surface-enhanced Raman spectroscopy and paper spray mass spectrometry for the identification and confirmation of psychotropic substances in alcoholic beverages. J Mass Spectrom 2024; 59:e4997. [PMID: 38146219 DOI: 10.1002/jms.4997] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Revised: 11/11/2023] [Accepted: 12/07/2023] [Indexed: 12/27/2023]
Abstract
Criminal practices in which an individual becomes vulnerable and prone to sexual assault after ingesting drinks spiked with doping substances have become a social concern globally. As forensic protocols require a multi-tiered strategy for chemical evidentiary analysis, the backlog of evidence has become a significant problem in the community. Herein, a fast, sensible, and complementary dual analytical methodology was developed using a single commercial paper substrate for surface-enhanced Raman spectroscopy (SERS) and paper spray mass spectrometry (PS-MS) analysis to identify psychotropic substances added to alcoholic beverages irrefutably. To study and investigate this criminal practice, pharmaceutical formulations containing distinct psychotropic substances (zolpidem, clonazepam, diazepam, and ketamine) were added to drinks typically consumed at parties and festivals (Pilsen beer, açaí Catuaba®, gin tonic, and vodka mixed with Coca-Cola Zero®). A simple liquid-liquid extraction with a low-temperature partitioning (LLE-LTP) procedure was applied to the drinks and effectively minimized matrix effects. As a preliminary analysis, SERS spectra combined with Hierarchical Clustering Analysis (HCA) provided sufficient information to investigate the samples further. The presence of the protonated species for the psychotropic substances in the spiked drinks was readily verified in the mass spectra and confirmed by tandem mass spectrometry. Finally, the results demonstrate the potential of this methodology to be easily implemented into the routine of forensic laboratories and to be further employed at harm reduction tends at parties and festivals to detect contaminated beverages promptly and irrefutably as an efficient tool to prevent such crimes.
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Affiliation(s)
- Marina Jurisch
- Departamento de Química, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Cristiano Fantini
- Departamento de Física, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Rodinei Augusti
- Departamento de Química, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Mariana Ramos Almeida
- Departamento de Química, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
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González CE, Hamann MI, Santos AN, Melo FTV, Gómez VI, Schaefer EF, Duré MI. A New Species of Cosmocerca Diesing, 1861 (Nematoda: Cosmocercidae) in Elachistocleis haroi Pereyra, Akmentins, Laufer, and Vaira, 2013 (Amphibia: Microhylidae) from South American Chaco. Acta Parasitol 2023:10.1007/s11686-023-00767-x. [PMID: 38153633 DOI: 10.1007/s11686-023-00767-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Accepted: 11/27/2023] [Indexed: 12/29/2023]
Abstract
PURPOSE Cosmocercids are common nematodes that parasitize the digestive tract and lungs of amphibians and reptiles around the world. They are commonly found in leptodactylid and bufonid anurans in South America, primarily in Brazil and Argentina. This paper describes a new species of genus Cosmocerca based on specimens collected in a microhylid from the Dry Chaco ecoregion. METHODS A total of 18 specimens of Elachistocleis haroi were collected in October 2011 in Chaco province and in December 2021 and March 2022 in Formosa province, Argentina, both areas of the Dry Chaco ecoregion. The morphology of the nematodes was studied in detail using light microscopy and scanning electron microscopy. RESULTS One hundred and fifty-one nematodes were collected from the large intestines of E. haroi. Based on the morphology of the caudal papillae (rosette papillae and plectanes), the presence of two spicules and the absence of caudal alae in males, and the presence of two prodelphic ovaries in females, these specimens were allocated to the genus Cosmocerca. However, they presented unique characteristics that differentiate them from all known species. Cosmocerca wichiorum sp. nov. is similar to C. archeyi, C. australis, C. sardiniae, C. zugi, and C. leytensis by having four pairs of plectanes, but can be easily distinguished from all of them by the type, number, and arrangement of the precloacal (non-plectanes), adcloacal and postcloacal papillae, by the length of the spicules and by its different zoogeographical distribution. CONCLUSION This is the 14th species of the genus Cosmocerca described in South America and the first one for the microhylid E. haroi from the Dry Chaco ecoregion.
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Affiliation(s)
- Cynthya E González
- Centro de Ecología Aplicada del Litoral (CECOAL), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Ruta 5, km 2.5, W 3400 AMD, Corrientes, Argentina.
| | - Monika I Hamann
- Centro de Ecología Aplicada del Litoral (CECOAL), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Ruta 5, km 2.5, W 3400 AMD, Corrientes, Argentina
| | - Ana N Santos
- Instituto de Ciências Biológicas, Laboratório de Biologia Celular e Helmintologia Profa. Dra. Reinalda Marisa Lanfredi, Universidade Federal do Pará, Belém, PA, Brazil
| | - Francisco T V Melo
- Instituto de Ciências Biológicas, Laboratório de Biologia Celular e Helmintologia Profa. Dra. Reinalda Marisa Lanfredi, Universidade Federal do Pará, Belém, PA, Brazil
| | - Valeria I Gómez
- Centro de Ecología Aplicada del Litoral (CECOAL), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Ruta 5, km 2.5, W 3400 AMD, Corrientes, Argentina
| | - Eduardo F Schaefer
- Instituto de Investigaciones Geohistóricas (IIGHI), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Mar del Plata 3055, 3500, Resistencia, Chaco, Argentina
| | - Marta I Duré
- Centro de Ecología Aplicada del Litoral (CECOAL), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Ruta 5, km 2.5, W 3400 AMD, Corrientes, Argentina
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Dos Anjos HA, Ortiz MIG, Aguiar FHB, Dos Santos JJ, Rodrigues UP, Rischka K, Lima DANL. Effect of incorporation of calcium polyphosphate sub-microparticles in low-concentration bleaching gels on physical properties of dental enamel. Odontology 2023:10.1007/s10266-023-00875-0. [PMID: 38148447 DOI: 10.1007/s10266-023-00875-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2023] [Accepted: 11/14/2023] [Indexed: 12/28/2023]
Abstract
AIM To evaluate the bleaching efficacy and effects on enamel properties of experimental gels with carbamide peroxide (CP; 10%) or hydrogen peroxide (HP; 6%) containing calcium polyphosphate sub-microparticles (CaPPs). METHODS A total of 216 bovine tooth specimens were divided for microhardness and color analyses (n = 108) and block randomized into nine groups (n = 12): (G1) commercial CP (Whiteness Perfect, FGM; Brazil); (G2) experimental CP; (G3) CP-0.5%CaPPs; (G4) CP-1.5%CaPPs; (G5) commercial HP (Potenza Bianco, PHS; Brazil); (G6) experimental HP; (G7) HP-0.5%CaPPs; (G8) HP-1.5%CaPPs; (G9) artificial saliva. The gels' pH values were determined with a bench pH meter. Color (ΔE, ΔE00, ΔWID) and microhardness variation were evaluated before and after the therapy. Part of the specimens used for microhardness was submitted to the scanning electron microscopy (SEM) (n = 3) and energy-dispersive X-ray spectroscopy EDX (n = 3) analyses. Statistical analyses were performed in the R statistical software (α = 0.05). Linear mixed models for repeated measures in time were used to analyze microhardness and L* values. Generalized linear models were used to analyze the a*, b*, ΔE, ΔE00, and ΔWID, considering a group effect. The EDX data were analyzed using a one-way ANOVA with Tukey's test. RESULTS The gels' pH remained over 6,0. All gels effectively bleached the specimens and did not differ significantly. When compared to the control group, the hardness was significantly lower in the G1, G2, G6, and G7 groups. The G3, G4, G5, and G8 groups did not differ significantly (p > 0.05). CONCLUSION The incorporation of CaPPs in low-concentration whitening gels reduces its negative effects on microhardness without interfering with their bleaching efficacy.
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Affiliation(s)
- Hemanuelly Albuquerque Dos Anjos
- Department of Restorative Dentistry, Piracicaba Dental School, University of Campinas, UNICAMP, P.O. BOX 52, Piracicaba, SP, 13414-903, Brazil.
| | - Mariângela Ivette Guanipa Ortiz
- Department of Restorative Dentistry, Piracicaba Dental School, University of Campinas, UNICAMP, P.O. BOX 52, Piracicaba, SP, 13414-903, Brazil
| | - Flávio Henrique Baggio Aguiar
- Department of Restorative Dentistry, Piracicaba Dental School, University of Campinas, UNICAMP, P.O. BOX 52, Piracicaba, SP, 13414-903, Brazil
| | | | | | - Klaus Rischka
- Fraunhofer Institute for Manufacturing Technology and Advanced Materials, IFAM, Bremen, Germany
| | - Débora Alves Nunes Leite Lima
- Department of Restorative Dentistry, Piracicaba Dental School, University of Campinas, UNICAMP, P.O. BOX 52, Piracicaba, SP, 13414-903, Brazil
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Carvalho NDAD, Santiago KM, Maia JML, Costa FD, Formiga MN, Soares DCDQ, Paixão D, Mello CALD, Costa CMLD, Rocha JCCD, Rivera B, Carraro DM, Torrezan GT. Prevalence and clinical implications of germline pathogenic variants in cancer predisposing genes in young patients across sarcoma subtypes. J Med Genet 2023; 61:61-68. [PMID: 37536918 PMCID: PMC10803955 DOI: 10.1136/jmg-2023-109269] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Accepted: 07/11/2023] [Indexed: 08/05/2023]
Abstract
BACKGROUND Sarcomas are a rare and diverse group of cancers occurring mainly in young individuals for which an underlying germline genetic cause remains unclear in most cases. METHODS Germline DNA from 177 children, adolescents and young adults with soft tissue or bone sarcomas was tested using multigene panels with 113 or 126 cancer predisposing genes (CPGs) to describe the prevalence of germline pathogenic/likely pathogenic variants (GPVs). Subsequent testing of a subset of tumours for loss of heterozygosity (LOH) evaluation was performed to investigate the clinical and molecular significance of these variants. RESULTS GPVs were detected in 21.5% (38/177) of the patients (15.8% in children and 21.6% in adolescents and young adults), with dominant CPGs being altered in 15.2% overall. These variants were found in genes previously associated with the risk of developing sarcomas (TP53, RB1, NF1, EXT1/2) but also in genes where that risk is still emerging/limited (ERCC2, TSC2 and BRCA2) or unknown (PALB2, RAD50, FANCM and others). The detection rates of GPVs varied from 0% to 33% across sarcoma subtypes and GPV carriers were more likely to present more than one primary tumour than non-carriers (21.1%×6.5%; p=0.012). Loss of the wild-type allele was detected in 48% of tumours from GPV carriers, mostly in genes definitively associated with sarcoma risk. CONCLUSION Our findings reveal that a high proportion of young patients with sarcomas presented a GPV in a CPG, underscoring the urgency of establishing appropriate genetic screening strategies for these individuals and their families.
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Affiliation(s)
| | - Karina Miranda Santiago
- Clinical and Functional Genomics Group, ACCamargo Cancer Center, Sao Paulo, São Paulo, Brazil
| | | | | | | | | | - Daniele Paixão
- Oncogenetics Department, ACCamargo Cancer Center, Sao Paulo, Brazil
| | | | | | | | - Barbara Rivera
- Molecular Mechanisms and Experimental Therapy in Oncology Program, IDIBELL, Barcelona, Spain
- Gerald Bronfman Department of Oncology, McGill University, Montreal, Québec, Canada
| | - Dirce Maria Carraro
- Clinical and Functional Genomics Group, ACCamargo Cancer Center, Sao Paulo, São Paulo, Brazil
- National Institute of Science and Technology in Oncogenomics and Therapeutic Innovation, Sao Paulo, Brazil
| | - Giovana Tardin Torrezan
- Clinical and Functional Genomics Group, ACCamargo Cancer Center, Sao Paulo, São Paulo, Brazil
- National Institute of Science and Technology in Oncogenomics and Therapeutic Innovation, Sao Paulo, Brazil
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Cláudio MM, Garcia VG, Freitas RM, Rodrigues JVS, Wainwright M, Casarin RCV, Duque C, Theodoro LH. Association of active oxygen-releasing gel and photodynamic therapy in the treatment of residual periodontal pockets in type 2 diabetic patients: A randomized controlled clinical study. J Periodontol 2023. [PMID: 38112075 DOI: 10.1002/jper.23-0125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 08/14/2023] [Accepted: 09/18/2023] [Indexed: 12/20/2023]
Abstract
BACKGROUND The aim of this study was to evaluate the effect of active oxygen-releasing gel as an adjuvant, with and without antimicrobial photodynamic therapy (aPDT), in the treatment of residual pockets in periodontal patients with type 2 diabetes mellitus (DM2). METHODS Patients with residual pockets with probing depth (PD) ≥4 mm and bleeding on probing (BOP) were divided into the following groups: SI (n = 17)-subgingival instrumentation in a single session; BM (n = 17)-SI followed by local application of active oxygen-releasing gel inside the periodontal pocket for 3 min; BM + aPDT (n = 17)-SI followed by application of BM for 3 min and pocket irrigation with methylene blue, and 660-nm diode laser irradiation at 100 mW for 50 s. The periodontal clinical parameters, serum levels of glycated hemoglobin, and immunological analysis of crevicular fluid were evaluated. All data were submitted to statistical analysis (α = 5%). RESULTS A significant reduction in BOP was verified at 90 and 180 days in the BM + aPDT group. The percentage of sites with PD ≥ 4 mm was significantly reduced at 90 days in BM + aPDT and BM, whereas after 180 days only BM showed a significant reduction. In the BM + aPDT group, there was a significant reduction in tumor necrosis factor α levels at 90 days. There were no differences between the treatments. CONCLUSION The use of adjuvant active oxygen-releasing gel, with or without aPDT, resulted in the same clinical benefits as SI in the treatment of residual pockets in poorly controlled DM2 patients.
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Affiliation(s)
- Marina M Cláudio
- Department of Diagnostics and Surgery, Periodontics Division, São Paulo State University (UNESP), School of Dentistry, Araçatuba, SP, Brazil
| | - Valdir G Garcia
- Latin American Institute of Dental Research and Teaching (ILAPEO), Curitiba, PR, Brazil
| | - Rubens M Freitas
- Latin American Institute of Dental Research and Teaching (ILAPEO), Curitiba, PR, Brazil
| | - João Victor S Rodrigues
- Department of Diagnostics and Surgery, Periodontics Division, São Paulo State University (UNESP), School of Dentistry, Araçatuba, SP, Brazil
- Center for Dental Assistance to Persons with Disabilities (CAOE), School of Dentistry, Araçatuba, SP, Brazil
| | - Mark Wainwright
- Department of Biology, Edge Hill University, Ormskirk, Lancashire, UK
| | - Renato C V Casarin
- Department of Periodontics, State University of Campinas, Piracicaba, SP, Brazil
| | - Cristiane Duque
- Department of Preventive and Restorative Dentistry, São Paulo State University (UNESP), School of Dentistry, Araçatuba, SP, Brazil
| | - Leticia H Theodoro
- Department of Diagnostics and Surgery, Periodontics Division, São Paulo State University (UNESP), School of Dentistry, Araçatuba, SP, Brazil
- Center for Dental Assistance to Persons with Disabilities (CAOE), School of Dentistry, Araçatuba, SP, Brazil
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Gianfaldoni A, Roa C, dos Santos Simões R, Baracat MCP, Maggio da Fonseca A, Bagnoli VR, Sopreso ICE, Silva Rivas FW, Monteleone P, Baracat EC, Soares Júnior JM. Association of intrauterine synechiae with pituitary gonadotrophin pulse patterns: A pilot study. PLoS One 2023; 18:e0289075. [PMID: 38100407 PMCID: PMC10723672 DOI: 10.1371/journal.pone.0289075] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Accepted: 07/11/2023] [Indexed: 12/17/2023] Open
Abstract
BACKGROUND Intrauterine synechiae (IS) is an acquired uterine condition that occurs when scar tissues (adhesions) form within the uterus and/or cervix, causing menstrual disturbance. However, approximately 50% of patients with IS are refractory to treatment. Therefore, other endocrine disturbances, such as gonadotropin disturbance, may affect treatment success. STUDY AIM To analyze gonadotropin levels in women with and without IS. METHODS Ten women with refractory IS experiencing amenorrhea since at least 6 months and nine with normal menstrual cycles (control group) were included in this study. Blood sample were collected every 10 minutes during a 4-h period. The serial ultrasound was performed in both groups for evaluating the cycle phase. Blood was collected when the follicles size was between 5-10 mm. Serum LH, FSH, progesterone and estradiol concentrations were measured. To detect LH and FSH pulses, the technique proposed by Santen and Bardin was adopted; therefore, one pulse was defined as a 20% increase in the concentrations as to the preceding point, followed by an important decrease. RESULTS No differences were observed between the study groups at baseline. Estradiol levels were lower in the IS group than in the control group, but the difference was not statistically significant. During the first hour of monitoring, cumulative FSH pulsatile frequency of IS group was lower than one of control. CONCLUSION Our data suggest that the estradiol levels of IS participants are lower than those of women with normal menstrual cycle. The role of this finding in the physiology of uterine synechiae requires further investigation.
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Affiliation(s)
- Arlete Gianfaldoni
- Disciplina de Ginecologia, do Departamento de Obstetrícia e Ginecologia, Hospital das Clínicas, Faculdade de Medicina da Universidade de São Paulo, São Paulo, São Paulo, Brazil
| | - Cristiane Roa
- Disciplina de Ginecologia, do Departamento de Obstetrícia e Ginecologia, Hospital das Clínicas, Faculdade de Medicina da Universidade de São Paulo, São Paulo, São Paulo, Brazil
| | - Ricardo dos Santos Simões
- Disciplina de Ginecologia, do Departamento de Obstetrícia e Ginecologia, Hospital das Clínicas, Faculdade de Medicina da Universidade de São Paulo, São Paulo, São Paulo, Brazil
| | - Maria Cândida P. Baracat
- Disciplina de Ginecologia, do Departamento de Obstetrícia e Ginecologia, Hospital das Clínicas, Faculdade de Medicina da Universidade de São Paulo, São Paulo, São Paulo, Brazil
| | - Angela Maggio da Fonseca
- Disciplina de Ginecologia, do Departamento de Obstetrícia e Ginecologia, Hospital das Clínicas, Faculdade de Medicina da Universidade de São Paulo, São Paulo, São Paulo, Brazil
| | - Vicente Renato Bagnoli
- Disciplina de Ginecologia, do Departamento de Obstetrícia e Ginecologia, Hospital das Clínicas, Faculdade de Medicina da Universidade de São Paulo, São Paulo, São Paulo, Brazil
| | - Isabel Cristina Espósito Sopreso
- Disciplina de Ginecologia, do Departamento de Obstetrícia e Ginecologia, Hospital das Clínicas, Faculdade de Medicina da Universidade de São Paulo, São Paulo, São Paulo, Brazil
| | - Fernando Wladimir Silva Rivas
- Disciplina de Ginecologia, do Departamento de Obstetrícia e Ginecologia, Hospital das Clínicas, Faculdade de Medicina da Universidade de São Paulo, São Paulo, São Paulo, Brazil
| | - Pedro Monteleone
- Disciplina de Ginecologia, do Departamento de Obstetrícia e Ginecologia, Hospital das Clínicas, Faculdade de Medicina da Universidade de São Paulo, São Paulo, São Paulo, Brazil
| | - Edmund C. Baracat
- Disciplina de Ginecologia, do Departamento de Obstetrícia e Ginecologia, Hospital das Clínicas, Faculdade de Medicina da Universidade de São Paulo, São Paulo, São Paulo, Brazil
| | - José Maria Soares Júnior
- Disciplina de Ginecologia, do Departamento de Obstetrícia e Ginecologia, Hospital das Clínicas, Faculdade de Medicina da Universidade de São Paulo, São Paulo, São Paulo, Brazil
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de Souza ÂMN, Griep RH, Hermsdorff HHM, da Fonseca MDJM, Juvanhol LL. Are ambulatory blood pressure parameters associated more with central adiposity than with total adiposity? Results of the ELSA-Brasil study. Front Cardiovasc Med 2023; 10:1286726. [PMID: 38155992 PMCID: PMC10752922 DOI: 10.3389/fcvm.2023.1286726] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Accepted: 11/27/2023] [Indexed: 12/30/2023] Open
Abstract
Background Worldwide obesity has a high prevalence, as well as carries a high risk of several chronic diseases, including hypertension. Studies of the association between obesity and ambulatory blood pressure (BP) are scarce and most use only body mass index (BMI) as indicator of adiposity. Thus, we aimed to examine for associations between total and central adiposity and ambulatory BP parameters (BP means and variability, nocturnal dipping and morning surge) among participants in the Brazilian Longitudinal Study of Adult Health (ELSA-Brasil). Methods This cross-sectional study (2012-2014) used a subsample of participants (n = 812) of ELSA-Brasil who underwent 24-hour ambulatory BP monitoring to assess systolic and diastolic BP (SBP and DBP, respectively) over 24-hour periods and sub-periods. Indicators for total adiposity were BMI and body fat (BF) and, for central adiposity, waist circumference (WC) and waist-to-height ratio (WHR). Associations were tested using crude and adjusted gamma and logistic regression. Results Overweight (BMI) and abdominal obesity (WC and WHR) associated positively with mean 24-hour (Coef = 2.71, 3.09 and 4.00, respectively), waking (Coef = 2.87, 3.26 and 4.16, respectively), and sleeping (Coef = 2.30, 2.74 and 3.50, respectively) SBP; mean DBP associated with high WHR in these three periods (Coef = 2.00, 2.10 and 1.68, respectively) and with WC in the waking period (Coef = 1.44). Overweight and abdominal obesity (WC and WHR) were positively associated with SBP variability over 24 h (Coef = 0.53, 0.45 and 0.49, respectively) and in sleep (Coef = 0.80, 0.74 and 0.59, respectively), and with DBP variability in 24 h (Coef = 0.64, 0.73 and 0.58, respectively), wakefulness (Coef = 0.50, 0.52 and 0.52, respectively) and sleep (Coef = 0.53, 0.45 and 0.49); excess BF associated positively with DBP variability over 24 h (Coef = 0.43) and in wakefulness (Coef = 0.38). Lastly, high WHR and excess BF were associated with higher odds of extreme dipping (OR = 1.03 for both), while high WC and WHR associated with higher odds of exacerbated diastolic morning surge (OR = 3.18 and 3.66, respectively). Conclusion Indicators of adiposity were associated with the BP means and variability, nocturnal dipping and morning surge, with more substantial results for indicators of central adiposity that the others.
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Affiliation(s)
| | - Rosane Harter Griep
- Environment and Health Education Laboratory, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Rio de Janeiro, Brazil
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50
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Cardoso MS, da Cunha KF, Silva IG, Fiorentin TR, de Campos EG, Costa JL. Development and validation of a sensitive LC-MS-MS method to quantify psilocin in authentic oral fluid samples. J Anal Toxicol 2023; 47:835-841. [PMID: 37642343 DOI: 10.1093/jat/bkad064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Revised: 08/07/2023] [Accepted: 08/28/2023] [Indexed: 08/31/2023] Open
Abstract
Psilocin is an active substance and a dephosphorylated product of psilocybin formed after the ingestion of mushrooms. The low stability caused by the quick oxidation of this analyte requires sensitive methods for its determination in biological matrices. In this work, we described the development, optimization and validation of a method for the quantification of psilocin in authentic oral fluid samples by liquid chromatography-tandem mass spectrometry. Liquid-liquid extraction was performed using 100 µL of oral fluid samples collected with a Quantisal™ device and t-butyl methyl ether as the extraction solvent. The method showed acceptable performance, with limits of detection and quantification of 0.05 ng/mL, and the calibration model was achieved between 0.05 and 10 ng/mL. Bias and imprecision results were below -14.2% and 10.7%, respectively. Ionization suppression/enhancement was lower than -30.5%, and recovery was >54.5%. Dilution integrity bias was <14.4%. No endogenous and exogenous interferences were observed upon analyzing oral fluid from 10 different sources and 56 pharmaceuticals and drugs of abuse, respectively. No carryover was observed at 10 ng/mL. Psilocin was stable in oral fluid at -20°C, 4°C and 24°C up to 24, 72 and 24 h, respectively, with variations <17.7%. The analyte was not stable after three freeze/thaw cycles, with variations between -73% and -60%. This suggests the instability of psilocin in oral fluid samples, which requires timely analysis, as soon as possible after the collection. The analyte remained stable in processed samples in an autosampler (at 10°C) for up to 18 h. The method was successfully applied for the quantification of five authentic samples collected from volunteers attending parties and electronic music festivals. Psilocin concentrations ranged from 0.08 to 36.4 ng/mL. This is the first work to report psilocin concentrations in authentic oral fluid samples.
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Affiliation(s)
- Marilia Santoro Cardoso
- Faculty of Medical Sciences, University of Campinas, Tessália Vieira de Camargo 126, Cidade Universitária, Campinas, SP 13083-887, Brazil
- Campinas Poison Control Center, Faculty of Medical Sciences, University of Campinas, Carlos Chagas 150, Hospital das Clínicas, Cidade Universitária, Campinas, SP 13083-970, Brazil
| | - Kelly Francisco da Cunha
- Faculty of Medical Sciences, University of Campinas, Tessália Vieira de Camargo 126, Cidade Universitária, Campinas, SP 13083-887, Brazil
- Campinas Poison Control Center, Faculty of Medical Sciences, University of Campinas, Carlos Chagas 150, Hospital das Clínicas, Cidade Universitária, Campinas, SP 13083-970, Brazil
| | - Izabelly Geraldes Silva
- Faculty of Medical Sciences, University of Campinas, Tessália Vieira de Camargo 126, Cidade Universitária, Campinas, SP 13083-887, Brazil
- Campinas Poison Control Center, Faculty of Medical Sciences, University of Campinas, Carlos Chagas 150, Hospital das Clínicas, Cidade Universitária, Campinas, SP 13083-970, Brazil
| | - Taís Regina Fiorentin
- Faculty of Medical Sciences, University of Campinas, Tessália Vieira de Camargo 126, Cidade Universitária, Campinas, SP 13083-887, Brazil
- Campinas Poison Control Center, Faculty of Medical Sciences, University of Campinas, Carlos Chagas 150, Hospital das Clínicas, Cidade Universitária, Campinas, SP 13083-970, Brazil
| | - Eduardo G de Campos
- Department of Chemistry and Fermentation Sciences, Appalachian State University, Garwood Hall 417, Boone, NC 28608, United States
| | - Jose Luiz Costa
- Campinas Poison Control Center, Faculty of Medical Sciences, University of Campinas, Carlos Chagas 150, Hospital das Clínicas, Cidade Universitária, Campinas, SP 13083-970, Brazil
- Faculty of Pharmaceutical Sciences, University of Campinas, Candido Portinari 200, Cidade Universitária, Campinas, SP 13083-871, Brazil
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