201
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Khader SG, Hussain WHZ, Moorthy A. Rheumatology patients on immunosuppressive treatment and their perioperative management: Review of recommendations. Musculoskeletal Care 2023; 21:571-575. [PMID: 36461920 DOI: 10.1002/msc.1721] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Revised: 11/20/2022] [Accepted: 11/21/2022] [Indexed: 06/16/2023]
Affiliation(s)
| | | | - Arumugam Moorthy
- University Hospitals of Leicester NHS Trust, Leicester, UK
- College of Life Sciences, University of Leicester, Leicester, UK
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202
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Affiliation(s)
- Jenny Wei
- Department of Dermatology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
| | | | - Juliana Berk-Krauss
- Department of Dermatology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Katherine T. Steele
- Department of Dermatology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Misha Rosenbach
- Department of Dermatology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Elizabeth Messenger
- Department of Dermatology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
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203
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Fan S, Wang H, Wu D, Liu L. Pharmaceutical approaches for COVID-19: An update on current therapeutic opportunities. Acta Pharm 2023; 73:157-173. [PMID: 37307372 DOI: 10.2478/acph-2023-0014] [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] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 11/18/2022] [Indexed: 06/14/2023]
Abstract
SARS-CoV-2, a newly discovered coronavirus, has been linked to the COVID-19 pandemic and is currently an important public health issue. Despite all the work done to date around the world, there is still no viable treatment for COVID-19. This study examined the most recent evidence on the efficacy and safety of several therapeutic options available including natural substances, synthetic drugs and vaccines in the treatment of COVID-19. Various natural compounds such as sarsapogenin, lycorine, biscoclaurine, vitamin B12, glycyrrhizic acid, riboflavin, resveratrol and kaempferol, various vaccines and drugs such as AZD1222, mRNA-1273, BNT162b2, Sputnik V, and remdesivir, lopinavir, favipiravir, darunavir, oseltamivir, and umifenovir, resp., have been discussed comprehensively. We attempted to provide exhaustive information regarding the various prospective therapeutic approaches available in order to assist researchers and physicians in treating COVID-19 patients.
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Affiliation(s)
- Sijia Fan
- 1Department of Intensive Care Unit, South China Hospital, Health Science Center Shenzhen University Guangdong, Shenzhen 518116, P. R. China
| | - Hongling Wang
- 2Department of Cardiothoracic Surgery 940th Hospital of Joint Logistic Support Force of PLA, Lanzhou, Gansu, 730050, P. R. China
| | - Dean Wu
- 3Department of Respiratory Medicine, The Third People's Hospital of Gansu Province Lanzhou University, Lanzhou, Gansu 730050, P. R. China
| | - Lu Liu
- 4The First Pulmonary and Critical Care Medicine, The Fourth Affiliated Hospital of China Medical University, Shenyang Liaoning, 110032, P. R. China
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204
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Spratt J, Adkins Z, Warda D, Smith M, Bruggers J, Weiss P, Becher S. Illicit drug and alcohol use and measures of musculoskeletal function and mental health in orthopaedic trauma patients. OTA Int 2023; 6:e270. [PMID: 37719314 PMCID: PMC10503674 DOI: 10.1097/oi9.0000000000000270] [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] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Accepted: 02/28/2023] [Indexed: 09/19/2023]
Abstract
Objectives The objective of this study was to describe the relationship between positive toxicology screens and measures of preinjury mental health and physical function in an orthopaedic trauma population. Design This was a cross-sectional study. Setting Urban Level 1 trauma center. Patients A total of 125 trauma patients gave written consent for this study. Main Outcome Measurements Questionnaires such as, Patient Health Questionnaire-9, General Anxiety Disorder-7, PCL-5, and Short Musculoskeletal Function Assessment, were used to survey patients after surgical intervention. Results Patient Health Questionnaire-9 (P = 0.05) and PCL-5 (P = 0.04) were not found to have significant differences between positive and negative toxicology screens. Both General Anxiety Disorder-7 (P = 0.004) and Short Musculoskeletal Function Assessment function (P = 0.006) were significantly higher in patients with positive toxicology screens. Conclusions Positive toxicology seems to be associated with preinjury anxiety. Patient reported preinjury function was not adversely affected by the presence of illicit substances or alcohol, nor were levels of post-traumatic stress disorder and depression found to be higher in patients with positive toxicology screens. Level of Evidence Level IV Cross-Sectional Study.
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Affiliation(s)
| | | | - Danny Warda
- Wellstar Atlanta Medical Center, Atlanta, GA
| | | | | | - Paul Weiss
- Wellstar Atlanta Medical Center, Atlanta, GA
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205
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Shrira I, Aggarwal Y. Drug Overdose Mortality of Residents and Visitors to Cities. Subst Use Misuse 2023:1-8. [PMID: 37243494 DOI: 10.1080/10826084.2023.2215327] [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] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Background: The ongoing drug epidemic in the United States has shown that there are geographic differences in overdose fatalities. This article introduces a new way to study spatial differences in drug-related mortality, by distinguishing the fatalities of residents and visitors to a region. Methods: Using records of United States deaths from 2001 to 2020, this study examined fatal overdoses among residents and visitors to U.S. metropolitan areas. Results: The findings revealed that the drug fatality levels of residents and visitors differed from one another in many cities. These differences were most pronounced in larger metro areas, where the drug mortality of visitors was disproportionately high. Conclusions: Discussion focuses on implications and possible explanations for these findings, as well as their potential connection to classical conditioning of drug tolerance. More generally, comparing the fatalities of residents and visitors may provide a way to tease apart the roles of person-specific and location-specific contributors to overdose risk.
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Affiliation(s)
- Ilan Shrira
- Department of Psychology, Pennsylvania State University, University Park, Pennsylvania, USA
| | - Yuvraj Aggarwal
- Department of Psychology, Pennsylvania State University, University Park, Pennsylvania, USA
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206
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Sharif NA. Recently Approved Drugs for Lowering and Controlling Intraocular Pressure to Reduce Vision Loss in Ocular Hypertensive and Glaucoma Patients. Pharmaceuticals (Basel) 2023; 16:791. [PMID: 37375739 DOI: 10.3390/ph16060791] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2023] [Revised: 05/17/2023] [Accepted: 05/19/2023] [Indexed: 06/29/2023] Open
Abstract
Serious vision loss occurs in patients affected by chronically raised intraocular pressure (IOP), a characteristic of many forms of glaucoma where damage to the optic nerve components causes progressive degeneration of retinal and brain neurons involved in visual perception. While many risk factors abound and have been validated for this glaucomatous optic neuropathy (GON), the major one is ocular hypertension (OHT), which results from the accumulation of excess aqueous humor (AQH) fluid in the anterior chamber of the eye. Millions around the world suffer from this asymptomatic and progressive degenerative eye disease. Since clinical evidence has revealed a strong correlation between the reduction in elevated IOP/OHT and GON progression, many drugs, devices, and surgical techniques have been developed to lower and control IOP. The constant quest for new pharmaceuticals and other modalities with superior therapeutic indices has recently yielded health authority-approved novel drugs with unique pharmacological signatures and mechanism(s) of action and AQH drainage microdevices for effectively and durably treating OHT. A unique nitric oxide-donating conjugate of latanoprost, an FP-receptor prostaglandin (PG; latanoprostene bunod), new rho kinase inhibitors (ripasudil; netarsudil), a novel non-PG EP2-receptor-selective agonist (omidenepag isopropyl), and a form of FP-receptor PG in a slow-release intracameral implant (Durysta) represent the additions to the pharmaceutical toolchest to mitigate the ravages of OHT. Despite these advances, early diagnosis of OHT and glaucoma still lags behind and would benefit from further concerted effort and attention.
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Affiliation(s)
- Najam A Sharif
- Eye-APC Duke-NUS Medical School, Singapore 169856, Singapore
- Singapore Eye Research Institute, Singapore 169856, Singapore
- Department of Pharmacology and Neuroscience, University of North Texas Health Sciences Center, Fort Worth, TX 76107, USA
- Department of Pharmacy Sciences, Creighton University, Omaha, NE 68178, USA
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, Texas Southern University, Houston, TX 77004, USA
- Imperial College of Science and Technology, St. Mary's Campus, London SW7 2BX, UK
- Institute of Ophthalmology, University College London, London WC1E 6BT, UK
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207
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Pitts WJ, Heller D, Smiley-McDonald H, Weimer B, Grabenauer M, Bollinger K, Ropero-Miller J, Pressley D. Understanding research methods, limitations, and applications of drug data collected by the National Forensic Laboratory Information System (NFLIS-Drug). J Forensic Sci 2023. [PMID: 37243363 DOI: 10.1111/1556-4029.15269] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [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: 02/06/2023] [Revised: 04/04/2023] [Accepted: 04/18/2023] [Indexed: 05/28/2023]
Abstract
The National Forensic Laboratory Information System (NFLIS) is a drug surveillance program of the US Drug Enforcement Administration that systematically collects data on drugs that are seized by law enforcement and submitted to and analyzed by the Nation's forensic laboratories (NFLIS-Drug). NFLIS-Drug data are increasingly used in predictive modeling and drug surveillance to examine drug availability patterns. Given the complexity of the data and data collection, there are some common methodological pitfalls that we highlight with the aim of helping researchers avoid these concerns. The analysis done for this Technical Note is based on a review of the scientific literature that includes 428 unique, refereed article citations in 182 distinct journals published between January 1, 2005, and April 30, 2021. Each article was analyzed according to how NFLIS-Drug data were mentioned and whether NFLIS-Drug data were included. A sample of 37 articles was studied in-depth, and data issues were summarized. Using examples from the literature, this Technical Note highlights eight broad concerns that have important implications for the proper applications, interpretations, and limitations of NFLIS-Drug data with suggestions for improving research methods and accurate reporting of forensic drug data. NFLIS-Drug data are timely and provide key information to inform drug use trends across the United States; however, our present analysis shows that NFLIS-Drug data are misunderstood and represented in the literature. In addition to highlighting these issues, DEA has created several resources to assist NFLIS data users and researchers, which are summarized in the discussion.
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Affiliation(s)
- Wayne J Pitts
- RTI International, Research Triangle Park, North Carolina, USA
| | - David Heller
- RTI International, Research Triangle Park, North Carolina, USA
| | | | - BeLinda Weimer
- RTI International, Research Triangle Park, North Carolina, USA
| | | | | | | | - DeMia Pressley
- Drug Enforcement Administration, Diversion Control Division, Springfield, Virginia, USA
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208
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Hagsand AV, Flowe H, Takarangi M, Gawrylowicz J. Editorial: The impact of alcohol and drugs on suspects', victims' and witnesses' cognition and memory. Front Psychol 2023; 14:1209406. [PMID: 37292505 PMCID: PMC10244773 DOI: 10.3389/fpsyg.2023.1209406] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Accepted: 05/09/2023] [Indexed: 06/10/2023] Open
Affiliation(s)
| | - Heather Flowe
- School of Psychology, University of Birmingham, Birmingham, United Kingdom
| | - Melanie Takarangi
- College of Education, Psychology and Social Work, Flinders University, Adelaide, SA, Australia
| | - Julie Gawrylowicz
- School of Psychology, Division of Psychology and Forensic Sciences, Abertay University, Dundee, United Kingdom
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209
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Terrazzan A, Crudele F, Corrà F, Ancona P, Palatini J, Bianchi N, Volinia S. Inverse Impact of Cancer Drugs on Circular and Linear RNAs in Breast Cancer Cell Lines. Noncoding RNA 2023; 9:ncrna9030032. [PMID: 37218992 DOI: 10.3390/ncrna9030032] [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: 01/19/2023] [Revised: 05/02/2023] [Accepted: 05/16/2023] [Indexed: 05/24/2023] Open
Abstract
Altered expression of circular RNAs (circRNAs) has previously been investigated in breast cancer. However, little is known about the effects of drugs on their regulation and relationship with the cognate linear transcript (linRNA). We analyzed the dysregulation of both 12 cancer-related circRNAs and their linRNAs in two breast cancer cell lines undergoing various treatments. We selected 14 well-known anticancer agents affecting different cellular pathways and examined their impact. Upon drug exposure circRNA/linRNA expression ratios increased, as a result of the downregulation of linRNA and upregulation of circRNA within the same gene. In this study, we highlighted the relevance of identifying the drug-regulated circ/linRNAs according to their oncogenic or anticancer role. Interestingly, VRK1 and MAN1A2 were increased by several drugs in both cell lines. However, they display opposite effects, circ/linVRK1 favors apoptosis whereas circ/linMAN1A2 stimulates cell migration, and only XL765 did not alter the ratio of other dangerous circ/linRNAs in MCF-7. In MDA-MB-231 cells, AMG511 and GSK1070916 decreased circGFRA1, as a good response to drugs. Furthermore, some circRNAs might be associated with specific mutated pathways, such as the PI3K/AKT in MCF-7 cells with circ/linHIPK3 correlating to cancer progression and drug-resistance, or NHEJ DNA repair pathway in TP-53 mutated MDA-MB-231 cells.
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Affiliation(s)
- Anna Terrazzan
- Department of Translational Medicine, University of Ferrara, 44121 Ferrara, Italy
- Laboratory for Advanced Therapy Technologies (LTTA), University of Ferrara, 44121 Ferrara, Italy
| | - Francesca Crudele
- Genetics Unit, Institute for Maternal and Child Health, Scientific Institute for Research, Hospitalization and Healthcare (IRCCS) Burlo Garofolo, 34137 Trieste, Italy
| | - Fabio Corrà
- Department of Translational Medicine, University of Ferrara, 44121 Ferrara, Italy
| | - Pietro Ancona
- Department of Translational Medicine, University of Ferrara, 44121 Ferrara, Italy
| | - Jeffrey Palatini
- Genomics Core Facility, Centre of New Technologies, University of Warsaw, 02-097 Warsaw, Poland
| | - Nicoletta Bianchi
- Department of Translational Medicine, University of Ferrara, 44121 Ferrara, Italy
| | - Stefano Volinia
- Department of Translational Medicine, University of Ferrara, 44121 Ferrara, Italy
- Laboratory for Advanced Therapy Technologies (LTTA), University of Ferrara, 44121 Ferrara, Italy
- Centrum Nauk Biologiczno-Chemicznych (Biological and Chemical Research Centre), University of Warsaw, 02-089 Warsaw, Poland
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210
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Ingrosso MR, Black CJ, Ford AC. Efficacy and Safety of Drugs for Gastroparesis: Systematic Review and Network Meta-analysis. Gastroenterology 2023:S0016-5085(23)00737-0. [PMID: 37209951 DOI: 10.1053/j.gastro.2023.05.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Accepted: 05/12/2023] [Indexed: 05/22/2023]
Affiliation(s)
- Maria Rosa Ingrosso
- Digestive Disease Center, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Rome, Italy; Dipartimento Universitario di Medicina e ChirurgiaTraslazionale, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Christopher J Black
- Leeds Gastroenterology Institute, St. James's University Hospital, Leeds, UK
| | - Alexander C Ford
- Leeds Gastroenterology Institute, St. James's University Hospital, Leeds, UK; Leeds Institute of Medical Research at St. James's, University of Leeds, Leeds, UK.
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211
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Galvani S, Wright S, Clayson A. Towards a Dignified Death: A New Approach to Care for People Using Substances Who Are at, or Near, the End of Their Lives. Int J Environ Res Public Health 2023; 20:ijerph20105858. [PMID: 37239584 DOI: 10.3390/ijerph20105858] [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: 03/28/2023] [Revised: 05/02/2023] [Accepted: 05/15/2023] [Indexed: 05/28/2023]
Abstract
There are no effective intervention studies for people using substances who are at, or near, the end of their lives. The needs of this group of people have been consistently overlooked even within the literature that identifies marginalised groups of people in need of greater recognition in palliative and end-of-life care. The aims of the project were to: (i) determine what a new, co-produced, model of care should look like for people using substances needing palliative and end-of-life care, and (ii) establish whether the new model had the potential to improve people's access to, and experience of, end-of-life care. This paper presents the development of the new approach to care. It was developed using participatory action research principles over a course of online workshops during the COVID-19 pandemic lockdown period in the UK. A theory of change that aims to inform future policy and practice development is presented. While the ambition of the research was stunted by the pandemic, the process of its development and dissemination of the model and its resources has continued. Response from participants highlighted the importance of this work, however, in this new field of policy and practice, preparatory work that engages a wide range of stakeholders is crucial to its success. This relationship building and topic engagement are major parts of implementation before more substantial and sustainable development goals can be met.
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Affiliation(s)
- Sarah Galvani
- Sociology Department, Faculty of Arts and Humanities, Manchester Metropolitan University, Manchester M15 6LL, UK
| | - Sam Wright
- Sociology Department, Faculty of Arts and Humanities, Manchester Metropolitan University, Manchester M15 6LL, UK
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212
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Zhang Q, Chu F, Xu Y, Wu X, Yu J, Cong B, Wu Y. Osteogenesis promotion by injectable methacryloylated gelatin containing psoralen and its bacteriostatic properties. IET Nanobiotechnol 2023. [PMID: 37191270 DOI: 10.1049/nbt2.12136] [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: 01/29/2023] [Revised: 04/20/2023] [Accepted: 04/21/2023] [Indexed: 05/17/2023] Open
Abstract
The treatment of periodontitis focuses on controlling the progression of inflammation, reducing plaque accumulation, and promoting bone tissue reconstruction. Among them, the reconstruction of irregular bone resorption caused by periodontitis is a long-standing challenge. At present, the local drug treatment of periodontitis is mainly anti-inflammatory and antibacterial drugs. In this study, psoralen (Pso), a Chinese herbal medicine with anti-inflammatory, antibacterial, and osteogenic effects, was selected for the local treatment of periodontitis. Meanwhile, an injectable methacrylate gelatin (GelMA) platform loading with Pso was constructed. Pso-GelMA had the properties of fluidity, light cohesion, self-healing, and slow release, which could be better used in the deep and narrow structure of the periodontal pocket, and greatly increased the effectiveness of local drug delivery. The pore size of Gelma hydrogel did not change after loading Pso by SEM. In vitro, Pso-GelMA effectively upregulated the expression of osteogenic genes and proteins, increased alkaline phosphatase activity, promoted the mineralisation of rat bone marrow mesenchymal stem cells (BMSCs) extracellular matrix, and had significant antibacterial effects on Staphylococcus aureus and Fusobacterium nucleatum. Therefore, Pso-GelMA has immense promise in the adjuvant treatment of periodontitis.
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Affiliation(s)
- Qi Zhang
- School of Stomatology, Qingdao University, Qingdao, China
| | - Fuhang Chu
- Qingdao Stomatological Hospital Affiliated to Qingdao University, Qingdao, China
| | - Yingjie Xu
- Qingdao Stomatological Hospital Affiliated to Qingdao University, Qingdao, China
| | - Xiaonan Wu
- Qingdao Stomatological Hospital Affiliated to Qingdao University, Qingdao, China
| | - Jie Yu
- School of Stomatology, Qingdao University, Qingdao, China
| | - Beibei Cong
- Qingdao Stomatological Hospital Affiliated to Qingdao University, Qingdao, China
| | - Yingtao Wu
- Qingdao Stomatological Hospital Affiliated to Qingdao University, Qingdao, China
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213
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van der Ende J, Schallig HDFH. Leishmania Animal Models Used in Drug Discovery: A Systematic Review. Animals (Basel) 2023; 13:ani13101650. [PMID: 37238080 DOI: 10.3390/ani13101650] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [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: 04/11/2023] [Revised: 05/11/2023] [Accepted: 05/11/2023] [Indexed: 05/28/2023] Open
Abstract
Many different animal models are in use for drug development for leishmaniasis, but a universal model does not exist. There is a plethora of models, and this review assesses their design, quality, and limitations, including the attention paid to animal welfare in the study design and execution. A systematic review was performed following the Preferred Reporting Items for Systematic Reviews and Meta-analyses (PRISMA) guidelines of available literature after the year 2000 describing animal models for leishmaniasis. The risk of bias was determined using the SYstematic Review Centre for Laboratory animal Experimentation (SYRCLE) risk of bias assessment tool. A total of 10,980 records were initially identified after searching the databases PubMed, EMBASE, LILACS, and SciELO. Based on the application of predetermined exclusion and inclusion criteria, a total of 203 papers describing 216 animal experiments were available for full analysis. Major reasons for exclusion were a lack of essential study information or appropriate ethical review and approval. Mice (82.8%; an average of 35.9 animals per study) and hamsters (17.1%; an average of 7.4 animals per study) were the most frequently used animals, mostly commercially sourced, in the included studies. All studies lacked a formal sample size analysis. The promastigote stages of L. amazonensis or L. major were most frequently used to establish experimental infections (single inoculum). Animal welfare was poorly addressed in all included studies, as the definition of a human end-point or consideration of the 3Rs (Replacement, Reduction, Refinement) was hardly addressed. Most animals were euthanized at the termination of the experiment. The majority of the studies had an unknown or high risk of bias. Animal experiments for drug development for leishmaniasis mainly poorly designed and of low quality, lack appropriate ethical review, and are deficient in essential information needed to replicate and interpret the study. Importantly, aspects of animal welfare are hardly considered. This underpins the need to better consider and record the details of the study design and animal welfare.
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Affiliation(s)
- Jacob van der Ende
- Fundación Quina Care Ecuador, Puerto el Carmen de Putumayo 210350, Sucumbíos, Ecuador
| | - Henk D F H Schallig
- Experimental Parasitology Unit, Amsterdam University Medical Centres, Department of Medical Microbiology and Infection Prevention, Academic Medical Centre at the University of Amsterdam, 1105 AZ Amsterdam, The Netherlands
- Amsterdam Institute for Infection and Immunity, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
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214
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Montanari L, Royuela L, Mazzilli S, Vandam L, Alvarez E, Llorens N, Carapinha L, Grohmannova K, Isajeva L, Ignataviciute L, Kvaternik I, Sierosławski J, Malczewski A, Plettinckx E, Sendino R, Torres A, Yasemi I, Tavoschi L, Mravcik V. Prevalence of drug use before and during imprisonment in seven European countries (2014-2018). J Community Psychol 2023. [PMID: 37172289 DOI: 10.1002/jcop.23053] [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] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Revised: 04/21/2023] [Accepted: 05/01/2023] [Indexed: 05/14/2023]
Abstract
Substance use is a global phenomenon that is particularly affecting the prison population. This study aimed to describe the prevalence of drug use among people in prison before and during incarceration in seven European countries and to compare it with the prevalence in the general population. Individual data collection was carried out between 2014 and 2018 with a model European Questionnaire on Drug Use among people in prison. A total of 12,918 people living in prison filled in the survey. People in prison report higher level of drug use when compared with the general population and the use of drug inside prison exist, although at lower levels when compared with predetention. Prisons can represent a point of access to engage individuals who use drugs in interventions that address drug use and risk factors related to both drug use and imprisonment.
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Affiliation(s)
- Linda Montanari
- European Monitoring Centre for Drugs and Drug Addiction, Lisbon, Portugal
| | - Luis Royuela
- European Monitoring Centre for Drugs and Drug Addiction, Lisbon, Portugal
| | - Sara Mazzilli
- Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, Pisa, Italy
- Scuola Normale Superiore, Pisa, Italy
| | - Liesbeth Vandam
- European Monitoring Centre for Drugs and Drug Addiction, Lisbon, Portugal
| | - Elena Alvarez
- Government Delegation for the National Plan on Drugs, Ministry of Health, Consumer Affairs and Wellbeing, Madrid, Spain
| | - Noelia Llorens
- Government Delegation for the National Plan on Drugs, Ministry of Health, Consumer Affairs and Wellbeing, Madrid, Spain
| | | | - Katerina Grohmannova
- National Monitoring Centre for Drugs and Addictions, Prague, Czech Republic
- Department of Addictology, 1st Medical Faculty of the Charles University, Prague, Czech Republic
| | - Laura Isajeva
- Addiction Monitoring Unit, Centre for Disease Prevention and Control of Latvia, Riga, Latvia
| | | | - Ines Kvaternik
- National Institute of Public Health, Ljubljana, Slovenia
| | | | | | - Els Plettinckx
- Directorate of Epidemiology and Public Health, Sciensano, Brussels, Belgium
| | - Rosario Sendino
- Government Delegation for the National Plan on Drugs, Ministry of Health, Consumer Affairs and Wellbeing, Madrid, Spain
| | - Analia Torres
- Institute for Social and Political Sciences, Lisbon University, Portugal
| | - Ioanna Yasemi
- Monitoring Centre for Drugs and Drug Addiction, National Addiction Authority, Strovolos, Cyprus
| | - Lara Tavoschi
- Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, Pisa, Italy
| | - Viktor Mravcik
- National Monitoring Centre for Drugs and Addictions, Prague, Czech Republic
- Department of Addictology, 1st Medical Faculty of the Charles University, Prague, Czech Republic
- Spolecnost Podane ruce, Brno, Czech Republic
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215
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Singh R, Kashif M, Srivastava P, Manna PP. Recent Advances in Chemotherapeutics for Leishmaniasis: Importance of the Cellular Biochemistry of the Parasite and Its Molecular Interaction with the Host. Pathogens 2023; 12:pathogens12050706. [PMID: 37242374 DOI: 10.3390/pathogens12050706] [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: 12/20/2022] [Revised: 05/08/2023] [Accepted: 05/09/2023] [Indexed: 05/28/2023] Open
Abstract
Leishmaniasis, a category 1 neglected protozoan disease caused by a kinetoplastid pathogen called Leishmania, is transmitted through dipteran insect vectors (phlebotomine, sand flies) in three main clinical forms: fatal visceral leishmaniasis, self-healing cutaneous leishmaniasis, and mucocutaneous leishmaniasis. Generic pentavalent antimonials have long been the drug of choice against leishmaniasis; however, their success is plagued with limitations such as drug resistance and severe side effects, which makes them redundant as frontline therapy for endemic visceral leishmaniasis. Alternative therapeutic regimens based on amphotericin B, miltefosine, and paromomycin have also been approved. Due to the unavailability of human vaccines, first-line chemotherapies such as pentavalent antimonials, pentamidine, and amphotericin B are the only options to treat infected individuals. The higher toxicity, adverse effects, and perceived cost of these pharmaceutics, coupled with the emergence of parasite resistance and disease relapse, makes it urgent to identify new, rationalized drug targets for the improvement in disease management and palliative care for patients. This has become an emergent need and more relevant due to the lack of information on validated molecular resistance markers for the monitoring and surveillance of changes in drug sensitivity and resistance. The present study reviewed the recent advances in chemotherapeutic regimens by targeting novel drugs using several strategies including bioinformatics to gain new insight into leishmaniasis. Leishmania has unique enzymes and biochemical pathways that are distinct from those of its mammalian hosts. In light of the limited number of available antileishmanial drugs, the identification of novel drug targets and studying the molecular and cellular aspects of these drugs in the parasite and its host is critical to design specific inhibitors targeting and controlling the parasite. The biochemical characterization of unique Leishmania-specific enzymes can be used as tools to read through possible drug targets. In this review, we discuss relevant metabolic pathways and novel drugs that are unique, essential, and linked to the survival of the parasite based on bioinformatics and cellular and biochemical analyses.
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Affiliation(s)
- Ranjeet Singh
- Immunobiology Laboratory, Department of Zoology, Institute of Science, Banaras Hindu University, Varanasi 221005, India
| | - Mohammad Kashif
- Immunobiology Laboratory, Department of Zoology, Institute of Science, Banaras Hindu University, Varanasi 221005, India
- School of Computational and Integrative Sciences, Jawaharlal Nehru University, New Delhi 110067, India
| | - Prateek Srivastava
- Immunobiology Laboratory, Department of Zoology, Institute of Science, Banaras Hindu University, Varanasi 221005, India
- Department of Clinical Biochemistry and Pharmacology, Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel
| | - Partha Pratim Manna
- Immunobiology Laboratory, Department of Zoology, Institute of Science, Banaras Hindu University, Varanasi 221005, India
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Tamargo J, Agewall S, Borghi C, Ceconi C, Cerbai E, Dan GA, Ferdinandy P, Grove EL, Rocca B, Sulzgruber P, Semb AG, Sossalla S, Niessner A, Kaski JC, Dobrev D. New pharmacological agents and novel cardiovascular pharmacotherapy strategies in 2022. Eur Heart J Cardiovasc Pharmacother 2023; 9:pvad034. [PMID: 37169875 PMCID: PMC10236523 DOI: 10.1093/ehjcvp/pvad034] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Revised: 04/10/2023] [Accepted: 05/10/2023] [Indexed: 05/13/2023]
Abstract
Cardiovascular diseases (CVD) remain the leading cause of death worldwide and pharmacotherapy of most of them is suboptimal. Thus, there is a clear unmet clinical need to develop new pharmacological strategies with greater efficacy and better safety profiles. In this review, we summarize the most relevant advances in cardiovascular pharmacology in 2022 including the approval of first-in-class drugs that open new avenues for the treatment of obstructive hypertrophic cardiomyopathy (mavacamten), type 2 diabetes mellitus (tirzepatide), and heart failure (HF) independent of left ventricular ejection fraction (sodium-glucose cotransporter 2 inhibitors). We also dealt with fixed dose combination therapies repurposing different formulations of "old" drugs with well-known efficacy and safety for the treatment of patients with acute decompensated HF (acetazolamide plus loop diuretics), atherosclerotic cardiovascular disease (moderate-dose statin plus ezetimibe), Marfan syndrome (angiotensin receptor blockers plus β-blockers), and secondary cardiovascular prevention (i.e. low-dose aspirin, ramipril and atorvastatin), thereby filling existing gaps in knowledge, and opening new avenues for the treatment of CVD. Clinical trials confirming the role of dapagliflozin in patients with HF and mildly reduced or preserved ejection fraction, long-term evolocumab to reduce the risk of cardiovascular events, vitamin K antagonists for stroke prevention in patients with rheumatic heart disease-associated atrial fibrillation, antibiotic prophylaxis in patients at high risk for infective endocarditis before invasive dental procedures, and vutrisiran for the treatment of hereditary transthyretin-related amyloidosis with polyneuropathy were also reviewed. Finally, we briefly discuss recent clinical trials suggesting that FXIa inhibitors may have the potential to uncouple thrombosis from hemostasis and attenuate/prevent thromboembolic events with minimal disruption of hemostasis.
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Affiliation(s)
- Juan Tamargo
- Department of Pharmacology and Toxicology, School of Medicine, Universidad Complutense, Instituto de Investigación Sanitaria Gregorio Marañón, Plaza de Ramón y Cajal s/n, Madrid 28040, Spain
| | - Stefan Agewall
- Department of Cardiology, Oslo University Hospital and Institute of Clinical Medicine, Oslo University, Oslo, Norvay
| | - Claudio Borghi
- Department of Cardiovascular Medicine, University of Bologna-IRCCS AOU S. Orsola, Bologna, Italy
| | - Claudio Ceconi
- Unit of Cardiologia, ASST Garda, Desenzano del Garda, Italy
| | - Elisabetta Cerbai
- Department Neurofarba, Section of Pharmacology and Toxicology, University of Florence, Florence, Italy
| | - Gheorghe A Dan
- “Carol Davila” University of Medicine, Colentina University Hospital, Bucharest, Romania
| | - Péter Ferdinandy
- Department of Pharmacology and Pharmacotherapy, Semmelweis University, Budapest, Hungary
- Pharmahungary Group, Szeged, Hungary
| | - Erik Lerkevang Grove
- Department of Cardiology, Aarhus University Hospital, Aarhus, Denmark
- Department of Clinical Medicine, Faculty of Health, Aarhus University, Aarhus, Denmark
| | - Bianca Rocca
- Section of Pharmacology, Catholic University School of Medicine, Rome, Italy
| | - Patrick Sulzgruber
- Department of Medicine, Division of Cardiology, Medical University of Vienna, Vienna, Austria
| | - Anne Grete Semb
- Preventive Cario-Rheuma Clinic, Division of Research and Innovation, REMEDY Centre, Diakonhjemmet Hospital, Oslo, Norway
| | - Samuel Sossalla
- Department of Internal Medicine II, University Regensburg, Regensburg, Germany
| | - Alexander Niessner
- Department of Internal Medicine II, Division of Cardiology, Medical University of Vienna, Vienna, Austria
| | - Juan Carlos Kaski
- Molecular and Clinical Sciences Research Institute, St. George's, University of London, Cranmer Terrace, London SW17 0RE, UK
| | - Dobromir Dobrev
- Institute of Pharmacology, West-German Heart and Vascular Centre, University Duisburg-Essen, Essen, Germany
- Department of Medicine, Montreal Heart Institute and Université de Montréal, Montréal, Canada
- Department of Molecular Physiology & Biophysics, Baylor College of Medicine, Houston, TX, USA
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Kerep R, Šeba T, Borko V, Weitner T, Keser T, Lauc G, Gabričević M. Potential Clinically Relevant Effects of Sialylation on Human Serum AAG-Drug Interactions Assessed by Isothermal Titration Calorimetry: Insight into Pharmacoglycomics? Int J Mol Sci 2023; 24:8472. [PMID: 37239819 PMCID: PMC10218007 DOI: 10.3390/ijms24108472] [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: 02/27/2023] [Revised: 04/18/2023] [Accepted: 04/25/2023] [Indexed: 05/28/2023] Open
Abstract
Human serum alpha-1 acid glycoprotein is an acute-phase plasma protein involved in the binding and transport of many drugs, especially basic and lipophilic substances. It has been reported that the sialic acid groups that terminate the N-glycan chains of alpha-1 acid glycoprotein change in response to certain health conditions and may have a major impact on drug binding to alpha-1 acid glycoprotein. The interaction between native or desialylated alpha-1 acid glycoprotein and four representative drugs-clindamycin, diltiazem, lidocaine, and warfarin-was quantitatively evaluated using isothermal titration calorimetry. The calorimetry assay used here is a convenient and widely used approach to directly measure the amount of heat released or absorbed during the association processes of biomolecules in solution and to quantitatively estimate the thermodynamics of the interaction. The results showed that the binding of drugs with alpha-1 acid glycoprotein were enthalpy-driven exothermic interactions, and the binding affinity was in the range of 10-5-10-6 M. Desialylated alpha-1 acid glycoprotein showed significantly different binding with diltiazem, lidocaine, and warfarin compared with native alpha-1 acid glycoprotein, whereas clindamycin showed no significant difference. Therefore, a different degree of sialylation may result in different binding affinities, and the clinical significance of changes in sialylation or glycosylation of alpha-1 acid glycoprotein in general should not be neglected.
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Affiliation(s)
- Robert Kerep
- Department of General and Inorganic Chemistry, Faculty of Pharmacy and Biochemistry, University of Zagreb, 10000 Zagreb, Croatia
| | - Tino Šeba
- Department of General and Inorganic Chemistry, Faculty of Pharmacy and Biochemistry, University of Zagreb, 10000 Zagreb, Croatia
| | - Valentina Borko
- Department of General and Inorganic Chemistry, Faculty of Pharmacy and Biochemistry, University of Zagreb, 10000 Zagreb, Croatia
| | - Tin Weitner
- Department of General and Inorganic Chemistry, Faculty of Pharmacy and Biochemistry, University of Zagreb, 10000 Zagreb, Croatia
| | - Toma Keser
- Department of Biochemistry and Molecular Biology, Faculty of Pharmacy and Biochemistry, University of Zagreb, 10000 Zagreb, Croatia
| | - Gordan Lauc
- Department of Biochemistry and Molecular Biology, Faculty of Pharmacy and Biochemistry, University of Zagreb, 10000 Zagreb, Croatia
| | - Mario Gabričević
- Department of General and Inorganic Chemistry, Faculty of Pharmacy and Biochemistry, University of Zagreb, 10000 Zagreb, Croatia
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Więckiewicz G, Marek J, Stokłosa I, Szafoni S, Pluta S, Smukowska K, Żebrowska G, Stokłosa M, Gorczyca P, Pudlo R. The Need for Psychiatric Treatment among Polish Users of Psychoactive Substances Is Increasing: This and Other Results from the Newest Pol Drugs Survey. Medicina (Kaunas) 2023; 59:medicina59050908. [PMID: 37241141 DOI: 10.3390/medicina59050908] [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] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Revised: 05/05/2023] [Accepted: 05/08/2023] [Indexed: 05/28/2023]
Abstract
Background and Objectives: PolDrugs is the largest Polish naturalistic nationwide survey to present basic demographic and epidemiological data that could potentially prevent harm from illicit substances intake in drugs users. The most recent results were presented in 2021. The goal of this year's edition was to re-present the above data and compare it to the previous edition's data to identify and describe the differences. Materials and Methods: The survey included original questions about basic demographics, substance use, and psychiatric treatment. The survey was administered via the Google Forms platform and promoted via social media. The data was collected from 1117 respondents. Results: People of all ages use a variety of psychoactive substances in many situations. The three most commonly used drugs are marijuana, 3,4-methylenedioxymethamphetamine, and hallucinogenic mushrooms. The most common reason for seeking professional medical help was amphetamine use. A total of 41.7 percent of respondents were receiving psychiatric treatment. The three most common psychiatric diagnoses among the respondents were depressive disorders, anxiety disorders, and ADHD. Conclusions: Key findings include increases in the use of psilocybin and DMT, increases in the use of heated tobacco products, and a near doubling in the percentage of individuals receiving psychiatric help in the past two years. These issues are discussed in the discussion section of this paper, which also addresses the limitations to the article.
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Affiliation(s)
- Gniewko Więckiewicz
- Department of Psychiatry, Faculty of Medical Sciences in Zabrze, Medical University of Silesia, 40-055 Katowice, Poland
| | - Julia Marek
- Students' Scientific Circle in Department of Psychiatry, Faculty of Medical Sciences in Zabrze, Medical University of Silesia, 40-055 Katowice, Poland
- Social Drug Policy Initiative, 02-662 Warsaw, Poland
| | - Iga Stokłosa
- Department of Psychiatry, Faculty of Medical Sciences in Zabrze, Medical University of Silesia, 40-055 Katowice, Poland
| | - Sandra Szafoni
- Students' Scientific Circle in Department of Psychiatry, Faculty of Medical Sciences in Zabrze, Medical University of Silesia, 40-055 Katowice, Poland
| | - Szymon Pluta
- Social Drug Policy Initiative, 02-662 Warsaw, Poland
| | | | | | - Maciej Stokłosa
- Department of Psychiatry, Faculty of Medical Sciences in Zabrze, Medical University of Silesia, 40-055 Katowice, Poland
| | - Piotr Gorczyca
- Department of Psychiatry, Faculty of Medical Sciences in Zabrze, Medical University of Silesia, 40-055 Katowice, Poland
| | - Robert Pudlo
- Department of Psychoprophylaxis, Faculty of Medical Sciences in Zabrze, Medical University of Silesia, 40-055 Katowice, Poland
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219
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Chen J, He Z, Yu S, Cai X, Zhu D, Lin Y. Xanthine oxidase inhibitory kinetics and mechanism of ellagic acid: In vitro, in silico and in vivo studies. IET Nanobiotechnol 2023. [PMID: 37153957 DOI: 10.1049/nbt2.12135] [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: 03/06/2023] [Revised: 03/31/2023] [Accepted: 04/24/2023] [Indexed: 05/10/2023] Open
Abstract
Ellagic acid (EA), which is widely distributed in many foods, has been found to possess inhibitory activity against xanthine oxidase (XO). However, there is ongoing debate about the difference in XO inhibitory activity between EA and allopurinol. Additionally, the inhibitory kinetics and mechanism of EA on XO are still unclear. Herein, the authors systematically studied the inhibitory effects of EA on XO. The authors' findings showed that EA is a reversible inhibitor with mixed-type inhibition, and its inhibitory activity is weaker than allopurinol. Fluorescence quenching experiments suggested that the generation of EA-XO complex was exothermic and spontaneous. In silico analysis further confirmed that EA entered the XO catalytic centre. Furthermore, the authors verified the anti-hyperuricemia effect of EA in vivo. This study elucidates the inhibition kinetics and mechanism of EA on XO, and lays a theoretical foundation for the further development of drugs and functional foods containing EA for the treatment of hyperuricemia.
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Affiliation(s)
- Jianmin Chen
- School of Pharmacy, Putian University, Putian, Fujian, China
- Key Laboratory of Pharmaceutical Analysis and Laboratory Medicine (Putian University), Fujian Province University, Putian, Fujian, China
| | - Zemin He
- School of Pharmacy, Putian University, Putian, Fujian, China
| | - Sijin Yu
- School of Pharmacy, Putian University, Putian, Fujian, China
| | - Xiaozhen Cai
- School of Pharmacy, Putian University, Putian, Fujian, China
| | - Danhong Zhu
- School of Pharmacy, Putian University, Putian, Fujian, China
| | - Yanhua Lin
- School of Pharmacy, Putian University, Putian, Fujian, China
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220
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Flory JH, Guelce D, Goytia C, Li J, Min JY, Mushlin A, Orloff J, Mayer V. Prescriber Uncertainty as Opportunity to Improve Care of Type 2 Diabetes with Chronic Kidney Disease: Mixed Methods Study. J Gen Intern Med 2023; 38:1476-1483. [PMID: 36316625 PMCID: PMC10160326 DOI: 10.1007/s11606-022-07838-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Accepted: 10/05/2022] [Indexed: 01/18/2023]
Abstract
BACKGROUND Over 5 million patients in the United States have type 2 diabetes mellitus (T2D) with chronic kidney disease (CKD); antidiabetic drug selection for this population is complex and has important implications for outcomes. OBJECTIVE To better understand how providers choose antidiabetic drugs in T2D with CKD DESIGN: Mixed methods. Interviews with providers underwent qualitative analysis using grounded theory to identify themes related to antidiabetic drug prescribing. A provider survey used vignettes and direct questions to quantitatively assess prescribers' knowledge and preferences. A retrospective cohort analysis of real-world prescribing data assessed the external validity of the interview and survey findings. PARTICIPANTS Primary care physicians, endocrinologists, nurse-practitioners, and physicians' assistants were eligible for interviews; primary care physicians and endocrinologists were eligible for the survey; prescribing data were derived from adult patients with serum creatinine data. MAIN MEASURES Interviews were qualitative; for the survey and retrospective cohort, proportion of patients receiving metformin was the primary outcome. KEY RESULTS Interviews with 9 providers identified a theme of uncertainty about guidelines for prescribing antidiabetic drugs in patients with T2D and CKD. The survey had 105 respondents: 74 primary care providers and 31 endocrinologists. Metformin was the most common choice for patients with T2D and CKD. Compared to primary care providers, endocrinologists were less likely to prescribe metformin at levels of kidney function at which it is contraindicated and more likely to correctly answer a question about metformin's contraindications (71% versus 41%) (p < .05). Real-world data were consistent with survey findings, and further showed low rates of use of sodium-glucose cotransporter 2 inhibitors and glucagon-like peptide 1 receptor agonists (<10%) in patients with eGFR below 60 ml/min/1.73m2. CONCLUSIONS Providers are unsure how to treat T2D with CKD and incompletely informed as to existing guidelines. This suggests opportunities to improve care.
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Affiliation(s)
- James H Flory
- Endocrinology Service, Department of Subspecialty Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, USA.
| | - Dominique Guelce
- Department of Population Health Sciences, Weill Cornell Medical College, New York, NY, USA
| | | | - Jing Li
- Department of Population Health Sciences, Weill Cornell Medical College, New York, NY, USA
| | - Jea Young Min
- Department of Population Health Sciences, Weill Cornell Medical College, New York, NY, USA
| | - Al Mushlin
- Department of Population Health Sciences, Weill Cornell Medical College, New York, NY, USA
| | - Jeremy Orloff
- Department of Population Health Sciences, Weill Cornell Medical College, New York, NY, USA
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221
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Lehrer S, Rheinstein PH. Predicted Configuration and Stability of the ATAD2/SOX10 Complex Using Molecular Dynamics Simulations. Cancer Diagn Progn 2023; 3:398-402. [PMID: 37168970 PMCID: PMC10165370 DOI: 10.21873/cdp.10231] [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] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/25/2023] [Accepted: 03/13/2023] [Indexed: 05/13/2023]
Abstract
BACKGROUND/AIM ATAD2, a melanoma competence factor, forms a protein complex with SOX10 that facilitates expression of SOX10 developmental target genes. The complex enables a strong transcriptional response to oncogenes such as BRAFV600E and is sufficient to endow oncogenic competence to melanocytes. The elucidation of the ADAT2/SOX10 complex structure may facilitate the development of drugs that can block formation of the complex. MATERIALS AND METHODS We used the ClusPro web server for protein-protein docking to visualize and analyze the complex and GROMACS to perform molecular dynamics simulations. RESULTS ClusPro protein docking analysis demonstrated the central position of ADAT2 in the ADAT2/SOX10 complex. Molecular dynamics simulations of ATAD2 docked to SOX10 suggest that ATAD2/SOX10 is not a stable structure. CONCLUSION The central position of ADAT2 in the complex suggested that ADAT2 complexed to SOX10 may have the capability to modify multiple functions of the latter, one of which allows BRAFV600E to impart increased oncogenic function to melanocytes. The results of the molecular dynamics simulations imply that the ADAT2/SOX10 complex is not stable and might be disrupted by a therapeutic molecule, reducing the risk of melanoma. Knowledge of the ADAT2/SOX10 complex structure may facilitate the development of drugs that can block complex formation.
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Affiliation(s)
- Steven Lehrer
- Department of Radiation Oncology, Icahn School of Medicine at Mount Sinai, New York City, NY, U.S.A
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da Silva MC, Teixeira MO, Laranjeira M. Validation of the sociopolitical control scale for youth among Brazilian juvenile offenders in rehabilitation. J Community Psychol 2023; 51:1591-1606. [PMID: 36126226 DOI: 10.1002/jcop.22940] [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] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Revised: 08/29/2022] [Accepted: 09/07/2022] [Indexed: 05/23/2023]
Abstract
Empowerment theories provide the conceptual framework to understand the process of change among marginalized groups in rehabilitation. Sociopolitical control is an element of the intrapersonal component of psychological empowerment (PE). The current study analyzes the psychometric properties of the Brazilian version of the Sociopolitical Control Scale for Youth (SPCS-Y) in a sample of institutionalized young male offenders (N = 190) and examines its relationships with well-being, perception of educational environment, self-efficacy, and drug consumption. The results of the confirmatory factor analysis supported the two-dimensional structure of the SPCS-Y (leadership competence and policy control). Linear regression models indicated that consumption of drugs contribute positively to leadership competence, and policy control was explained by well-being, positive perception of educational environment, and enlisting social support. The results are consistent with previous studies from other countries and indicate that the SPCS-Y is a valid measure to assess sociopolitical control among adolescents in rehabilitation. Additionally, theoretical implications and directions for practice are discussed in the paper.
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223
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Selladurai K, Selvaganesh S, Veeraraghavan VP, Nesappan T, Eswaramoorthy R. Effect of different drugs for controlling post-operative swelling after implant surgery among Indians. Bioinformation 2023; 19:488-490. [PMID: 37822808 PMCID: PMC10563555 DOI: 10.6026/97320630019488] [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] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2023] [Revised: 04/30/2023] [Accepted: 04/30/2023] [Indexed: 10/13/2023] Open
Abstract
Pain and swelling are common complications associated with dental implant surgery. Forty five patients were included in this study (Group 1: Paracetamol+ amoxicillin (n=15), Group 2: Paracetamol+ Cold packs (n=15), Group 3: Paracetamol (n=15)). Post op drugs were given based on the group, and Pre and post-operative photographs were evaluated with Adobe photoshop software. The photographs were evaluated with Adobe Photoshop for Statistical analysis was done by repeated measures ANOVA. The first day post-surgery, there was increased swelling in group 1 with mean surface area of swelling of 47.6±2.1 mm2 and considerable decrease in group 2, 42.1±3.5 mm2. The surface area of swelling in this group was maintained in the same range till Day 7.
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Affiliation(s)
- Karthickraj Selladurai
- Department of Implantology1, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Medical and Technical Sciences, Saveetha University, Chennai 600077, India
| | - Sahana Selvaganesh
- Department of Implantology1, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Medical and Technical Sciences, Saveetha University, Chennai 600077, India
| | - Vishnu Priya Veeraraghavan
- Department of Biochemistry, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Medical and Technical Sciences, Saveetha University, Chennai 600077, India
| | - Thiyaneswaran Nesappan
- Department of Implantology1, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Medical and Technical Sciences, Saveetha University, Chennai 600077, India
| | - Rajalakshmanan Eswaramoorthy
- Department of Biomaterials, Centre of Molecular Medicine and Diagnostics (COMManD), Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Medical and Technical Sciences, Saveetha University, Chennai 600077, India
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Abilev SK, Igonina EV, Sviridova DA, Smirnova SV. Bacterial Lux Biosensors in Genotoxicological Studies. Biosensors (Basel) 2023; 13:bios13050511. [PMID: 37232872 DOI: 10.3390/bios13050511] [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] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Revised: 04/18/2023] [Accepted: 04/20/2023] [Indexed: 05/27/2023]
Abstract
The aim of this study was to assess the applicability of the bacterial lux biosensors for genotoxicological studies. Biosensors are the strains of E. coli MG1655 carrying a recombinant plasmid with the lux operon of the luminescent bacterium P. luminescens fused with the promoters of inducible genes: recA, colD, alkA, soxS, and katG. The genotoxicity of forty-seven chemical compounds was tested on a set of three biosensors pSoxS-lux, pKatG-lux and pColD-lux, which allowed us to estimate the oxidative and DNA-damaging activity of the analyzed drugs. The comparison of the results with the data on the mutagenic activity of these drugs from the Ames test showed a complete coincidence of the results for the 42 substances. First, using lux biosensors, we have described the enhancing effect of the heavy non-radioactive isotope of hydrogen deuterium (D2O) on the genotoxicity of chemical compounds as possible mechanisms of this effect. The study of the modifying effect of 29 antioxidants and radioprotectors on the genotoxic effects of chemical agents showed the applicability of a pair of biosensors pSoxS-lux and pKatG-lux for the primary assessment of the potential antioxidant and radioprotective activity of chemical compounds. Thus, the results obtained showed that lux biosensors can be successfully used to identify potential genotoxicants, radioprotectors, antioxidants, and comutagens among chemical compounds, as well as to study the probable mechanism of genotoxic action of test substance.
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Affiliation(s)
- Serikbai K Abilev
- The Laboratory of Ecological Genetics, Vavilov Institute of General Genetics, Russian Academy of Sciences, Moscow 117971, Russia
| | - Elena V Igonina
- The Laboratory of Ecological Genetics, Vavilov Institute of General Genetics, Russian Academy of Sciences, Moscow 117971, Russia
| | - Darya A Sviridova
- The Laboratory of Ecological Genetics, Vavilov Institute of General Genetics, Russian Academy of Sciences, Moscow 117971, Russia
| | - Svetlana V Smirnova
- The Laboratory of Ecological Genetics, Vavilov Institute of General Genetics, Russian Academy of Sciences, Moscow 117971, Russia
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Di Vito A, Bria J, Antonelli A, Mesuraca M, Barni T, Giudice A, Chiarella E. A Review of Novel Strategies for Human Periodontal Ligament Stem Cell Ex Vivo Expansion: Are They an Evidence-Based Promise for Regenerative Periodontal Therapy? Int J Mol Sci 2023; 24:ijms24097798. [PMID: 37175504 PMCID: PMC10178011 DOI: 10.3390/ijms24097798] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 04/19/2023] [Accepted: 04/23/2023] [Indexed: 05/15/2023] Open
Abstract
Periodontitis is a gingiva disease sustained by microbially associated and host-mediated inflammation that results in the loss of the connective periodontal tissues, including periodontal ligament and alveolar bone. Symptoms include swollen gingiva, tooth loss and, ultimately, ineffective mastication. Clinicians utilize regenerative techniques to rebuild and recover damaged periodontal tissues, especially in advanced periodontitis. Human periodontal ligament stem cells (hPDLSCs) are considered an appealing source of stem cells for regenerative therapy in periodontium. hPDLSCs manifest the main properties of mesenchymal stem cells, including the ability to self-renew and to differentiate in mesodermal cells. Significant progress has been made for clinical application of hPDLSCs; nevertheless, some problems remain, including the small number of cells isolated from each sample. In recent decades, hPDLSC ex vivo expansion and differentiation have been improved by modifying cell culture conditions, especially with the supplementation of cytokines' or growth factors' mix, chemicals, and natural compounds, or by using the decellularized extracellular matrix. Here, we analyzed the changes in stemness properties and differentiation potential of hPDLSCs when culturing in alternative media. In addition, we focused on the possibility of replacing FBS with human emoderivates to minimize the risks of xenoimmunization or zoonotic transmission when cells are expanded for therapeutic purposes.
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Affiliation(s)
- Anna Di Vito
- Department of Experimental and Clinical Medicine, University Magna Græcia of Catanzaro, 88100 Catanzaro, Italy
| | - Jessica Bria
- Department of Experimental and Clinical Medicine, University Magna Græcia of Catanzaro, 88100 Catanzaro, Italy
| | - Alessandro Antonelli
- Department of Health Science, University Magna Græcia of Catanzaro, 88100 Catanzaro, Italy
| | - Maria Mesuraca
- Department of Experimental and Clinical Medicine, University Magna Græcia of Catanzaro, 88100 Catanzaro, Italy
| | - Tullio Barni
- Department of Experimental and Clinical Medicine, University Magna Græcia of Catanzaro, 88100 Catanzaro, Italy
| | - Amerigo Giudice
- Department of Health Science, University Magna Græcia of Catanzaro, 88100 Catanzaro, Italy
| | - Emanuela Chiarella
- Department of Experimental and Clinical Medicine, University Magna Græcia of Catanzaro, 88100 Catanzaro, Italy
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Sheokand PK, Yamaryo-Botté Y, Narwal M, Arnold CS, Thakur V, Islam MM, Banday MM, Asad M, Botté CY, Mohmmed A. A Plasmodium falciparum lysophospholipase regulates host fatty acid flux via parasite lipid storage to enable controlled asexual schizogony. Cell Rep 2023; 42:112251. [PMID: 37015228 DOI: 10.1016/j.celrep.2023.112251] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Revised: 11/04/2022] [Accepted: 02/24/2023] [Indexed: 04/05/2023] Open
Abstract
Phospholipid metabolism is crucial for membrane biogenesis and homeostasis of Plasmodium falciparum. To generate such phospholipids, the parasite extensively scavenges, recycles, and reassembles host lipids. P. falciparum possesses an unusually large number of lysophospholipases, whose roles and importance remain to be elucidated. Here, we functionally characterize one P. falciparum lysophospholipase, PfLPL3, to reveal its key role in parasite propagation during asexual blood stages. PfLPL3 displays a dynamic localization throughout asexual stages, mainly localizing in the host-parasite interface. Inducible knockdown of PfLPL3 disrupts parasite development from trophozoites to schizont, inducing a drastic reduction in merozoite progenies. Detailed lipidomic analyses show that PfLPL3 generates fatty acids from scavenged host lipids to generate neutral lipids. These are then timely mobilized to allow schizogony and merozoite formation. We then identify inhibitors of PfLPL3 from Medicine for Malaria Venture (MMV) with potent antimalarial activity, which could also serve as pertinent chemical tools to study parasite lipid synthesis.
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Affiliation(s)
- Pradeep Kumar Sheokand
- International Centre for Genetic Engineering and Biotechnology, New Delhi 110 067, India
| | - Yoshiki Yamaryo-Botté
- ApicoLipid Team, Institute for Advanced Biosciences, CNRS UMR5309, Université Grenoble Alpes, INSERM U1209, Grenoble, France
| | - Monika Narwal
- International Centre for Genetic Engineering and Biotechnology, New Delhi 110 067, India
| | - Christophe-Sébastien Arnold
- ApicoLipid Team, Institute for Advanced Biosciences, CNRS UMR5309, Université Grenoble Alpes, INSERM U1209, Grenoble, France
| | - Vandana Thakur
- International Centre for Genetic Engineering and Biotechnology, New Delhi 110 067, India
| | - Md Muzahidul Islam
- International Centre for Genetic Engineering and Biotechnology, New Delhi 110 067, India
| | - Mudassir M Banday
- International Centre for Genetic Engineering and Biotechnology, New Delhi 110 067, India
| | - Mohd Asad
- International Centre for Genetic Engineering and Biotechnology, New Delhi 110 067, India
| | - Cyrille Y Botté
- ApicoLipid Team, Institute for Advanced Biosciences, CNRS UMR5309, Université Grenoble Alpes, INSERM U1209, Grenoble, France.
| | - Asif Mohmmed
- International Centre for Genetic Engineering and Biotechnology, New Delhi 110 067, India.
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Abstract
INTRODUCTION Anorexia nervosa is a frequent eating disorder that affects predominantly young women and may take a severe and chronically worsening course of disease contributing to its high mortality rate. Although a multitude of treatment options exist, this disease still bears a high relapse rate. In light of these facts, an improvement of existing and development of new treatment targets and options is warranted. AREAS COVERED The present review article covers recent developments in psychotherapy associated with the respective neuropsychological and brain alterations as well as highlights current and future pharmacotherapeutic options. EXPERT OPINION Several encouraging developments in the field of psychotherapy such as interventions targeting neurocognitive profiles or addressing reward processing, brain stimulation as well as pharmacological modulation of hormones, namely leptin, oxytocin, ghrelin and nesfatin-1 signaling might be - most likely as part of a multimodal treatment approach - efficacious in order to improve treatment of patients with anorexia nervosa, especially those with a severe course of disease as well as comorbidities. As anorexia nervosa represents a complex and severe mental disorder, it seems most likely that a combination and integration of different evidence-based treatment approaches and settings will contribute to an improved prognosis of this eating disorder. This should be further explored in future studies.
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Affiliation(s)
- Andreas Stengel
- Department of Internal Medicine, Psychosomatic Medicine and Psychotherapy, University Hospital Tübingen, Tübingen, Germany
- Center for Excellence in Eating Disorders Tübingen (KOMET)
- Charité Center for Internal Medicine and Dermatology, Department of Psychosomatic Medicine, Corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Germany
| | - Katrin Giel
- Department of Internal Medicine, Psychosomatic Medicine and Psychotherapy, University Hospital Tübingen, Tübingen, Germany
- Center for Excellence in Eating Disorders Tübingen (KOMET)
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228
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Khan AR, Awan NUH, Ghani MU, Eldin SM, Karamti H, Jawhari AH, Mukhrish YE. Fundamental Aspects of Skin Cancer Drugs via Degree-Based Chemical Bonding Topological Descriptors. Molecules 2023; 28:molecules28093684. [PMID: 37175093 PMCID: PMC10179816 DOI: 10.3390/molecules28093684] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Revised: 04/11/2023] [Accepted: 04/18/2023] [Indexed: 05/15/2023] Open
Abstract
Due to significant advancements being made in the field of drug design, the use of topological descriptors remains the primary approach. When combined with QSPR models, descriptors illustrate a molecule's chemical properties numerically. Numbers relating to chemical composition topological indices are structures that link chemical composition to physical characteristics. This research concentrates on the analysis of curvilinear regression models and degree-based topological descriptors for thirteen skin cancer drugs. The physicochemical characteristics of the skin cancer drugs are examined while regression models are built for computed index values. An analysis is performed for several significant results based on the acquired data.
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Affiliation(s)
- Abdul Rauf Khan
- Department of Mathematics, Faculty of Science, Ghazi University, Dera Ghazi Khan 32200, Pakistan
| | - Nadeem Ul Hassan Awan
- Department of Mathematics, Faculty of Science, Ghazi University, Dera Ghazi Khan 32200, Pakistan
| | - Muhammad Usman Ghani
- Institute of Mathematics, Khawaja Fareed University of Engineering & Information Technology, Abu Dhabi Road, Rahim Yar Khan 64200, Pakistan
| | - Sayed M Eldin
- Faculty of Engineering and Technology, Future University in Egypt, New Cairo 11835, Egypt
| | - Hanen Karamti
- Department of Computer Sciences, College of Computer and Information Sciences, Princess Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh 11671, Saudi Arabia
| | - Ahmed H Jawhari
- Department of Chemistry, Faculty of Science, Jazan University, P.O. Box 45142, Jazan 45142, Saudi Arabia
| | - Yousef E Mukhrish
- Department of Chemistry, Faculty of Science, Jazan University, P.O. Box 45142, Jazan 45142, Saudi Arabia
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Amato M, Santonocito S, Polizzi A, Tartaglia GM, Ronsivalle V, Viglianisi G, Grippaudo C, Isola G. Local Delivery and Controlled Release Drugs Systems: A New Approach for the Clinical Treatment of Periodontitis Therapy. Pharmaceutics 2023; 15:pharmaceutics15041312. [PMID: 37111796 PMCID: PMC10143241 DOI: 10.3390/pharmaceutics15041312] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Revised: 04/13/2023] [Accepted: 04/19/2023] [Indexed: 04/29/2023] Open
Abstract
Periodontitis is an inflammatory disease of the gums characterized by the degeneration of periodontal ligaments, the formation of periodontal pockets, and the resorption of the alveolar bone, which results in the destruction of the teeth's supporting structure. Periodontitis is caused by the growth of diverse microflora (particularly anaerobes) in the pockets, releasing toxins and enzymes and stimulating the immune system. Various approaches, both local and systemic, have been used to treat periodontitis effectively. Successful treatment depends on reducing bacterial biofilm, bleeding on probing (BOP), and reducing or eliminating pockets. Currently, the use of local drug delivery systems (LDDSs) as an adjunctive therapy to scaling and root planing (SRP) in periodontitis is a promising strategy, resulting in greater efficacy and fewer adverse effects by controlling drug release. Selecting an appropriate bioactive agent and route of administration is the cornerstone of a successful periodontitis treatment plan. In this context, this review focuses on applications of LDDSs with varying properties in treating periodontitis with or without systemic diseases to identify current challenges and future research directions.
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Affiliation(s)
- Mariacristina Amato
- Department of General Surgery and Surgical-Medical Specialties, School of Dentistry, University of Catania, 95124 Catania, Italy
| | - Simona Santonocito
- Department of General Surgery and Surgical-Medical Specialties, School of Dentistry, University of Catania, 95124 Catania, Italy
| | - Alessandro Polizzi
- Department of General Surgery and Surgical-Medical Specialties, School of Dentistry, University of Catania, 95124 Catania, Italy
| | - Gianluca Martino Tartaglia
- UOC Maxillo-Facial Surgery and Dentistry, Department of Biomedical, Surgical and Dental Sciences, School of Dentistry, Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, University of Milan, 20100 Milan, Italy
| | - Vincenzo Ronsivalle
- Department of General Surgery and Surgical-Medical Specialties, School of Dentistry, University of Catania, 95124 Catania, Italy
| | - Gaia Viglianisi
- Department of General Surgery and Surgical-Medical Specialties, School of Dentistry, University of Catania, 95124 Catania, Italy
| | - Cristina Grippaudo
- Department of Head and Neck, Division of Oral Surgery and Implantology, Catholic University of the Sacred Heart, Fondazione Policlinico Gemelli IRCCS, 00168 Rome, Italy
| | - Gaetano Isola
- Department of General Surgery and Surgical-Medical Specialties, School of Dentistry, University of Catania, 95124 Catania, Italy
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Nolte-Troha C, Roser P, Henkel D, Scherbaum N, Koller G, Franke AG. Unemployment and Substance Use: An Updated Review of Studies from North America and Europe. Healthcare (Basel) 2023; 11:healthcare11081182. [PMID: 37108016 PMCID: PMC10137824 DOI: 10.3390/healthcare11081182] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 03/13/2023] [Accepted: 03/15/2023] [Indexed: 04/29/2023] Open
Abstract
Since the industrial revolution, the relationship between unemployment and psychiatric disorders has been a subject of high interest. Currently, regarding the correlation between unemployment and substance-use disorders (SUDs), only older, often isolated and fragmented research results are available in the literature. This review was based on an extensive literature search of the European and North American literature in most relevant databases for "unemployment" and "substance use" related to "drugs", "alcohol", "nicotine", and "tobacco" between November 2022 and January 2023, according to the PRISMA (Preferred Reporting Items for Systematic review and Meta-Analysis) guidelines. A total of 59,117 papers were identified, of which only 33 articles were identified as relevant to the research objective. The literature showed significantly higher prevalence rates of SUDs involving divergent psychotropic substances among unemployed people. Unemployment was found to be a risk factor for SUD, and vice versa. However, the correlation between unemployment and relapses or smoking cessation was inconsistent. In addition, there appeared to be a mild effect of business cycles on SUD. The results showed significant multifaceted correlations between unemployment and SUD, indicating that prevention and early intervention are required to prevent harmful psychosocial consequences, such as social disintegration and severe psychiatric disorders.
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Affiliation(s)
- Carina Nolte-Troha
- Department of Psychiatry and Psychotherapy, University Hospital Munich, Ludwig-Maximilians-University Munich, Nußbaumstr. 7, 80336 Munich, Germany
| | - Patrik Roser
- Department of Psychiatry and Psychotherapy, LVR University Hospital Essen, University of Duisburg-Essen, Virchowstr. 174, 45147 Essen, Germany
| | - Dieter Henkel
- Main Institute of Addiction Research (ISFF), University of Applied Sciences Frankfurt, Nibelungenplatz 1, 60318 Frankfurt am Main, Germany
| | - Norbert Scherbaum
- Department of Psychiatry and Psychotherapy, LVR University Hospital Essen, University of Duisburg-Essen, Virchowstr. 174, 45147 Essen, Germany
| | - Gabriele Koller
- Department of Psychiatry and Psychotherapy, University Hospital Munich, Ludwig-Maximilians-University Munich, Nußbaumstr. 7, 80336 Munich, Germany
| | - Andreas G Franke
- University of Applied Labour Studies, Seckenheimer Landstr. 16, 68163 Mannheim, Germany
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Ergüç A, Karakuş F, Arzuk E, Mutlu N, Orhan H. Role of Oxidative Stress and Reactive Metabolites in Cytotoxicity & Mitotoxicity of Clozapine, Diclofenac and Nifedipine in CHO-K1 Cells In Vitro. Endocr Metab Immune Disord Drug Targets 2023:EMIDDT-EPUB-131121. [PMID: 37114786 DOI: 10.2174/1871530323666230419084613] [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] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Revised: 02/06/2023] [Accepted: 02/23/2023] [Indexed: 04/29/2023]
Abstract
AIM To provide in vitro data on toxicity mechanisms of clozapine, diclofenac and nifedipine. BACKGROUND CHO-K1 cells were used as in vitro model to explore mechanisms of cytotoxicity of the test drugs. OBJECTIVE Cytotoxic mechanisms of clozapine (CLZ), diclofenac (DIC) and nifedipine (NIF) were studied in CHO-K1 cells in vitro. All three drugs induce adverse reactions in some patients with partially unknown mechanisms. METHOD Following the determination of time- and dose-dependency of cytotoxicity by the MTT test, cytoplasmic membrane integrity was explored by the LDH leakage test. Both end-points were further examined in the presence of soft and hard nucleophilic agents, glutathione (GSH) and potassium cyanide (KCN), respectively, and either individual or general cytochrome P450 (CYP) inhibitors, whether CYP-catalysed formation of electrophilic metabolites play a role in the observed cytotoxicity and membrane damage. The generation of reactive metabolites during the incubations was also explored. Formation of malondialdehyde (MDA) and oxidation of dihydrofluorescein (DCFH) were monitored whether peroxidative membrane damage and oxidative stress take place in cytotoxicity. Incubations were also conducted in the presence of chelating agents of EDTA or DTPA to explore any possible role of metals in cytotoxicity by facilitating electron transfer in redox reactions. Finally, mitochondrial membrane oxidative degradation and permeability transition pore (mPTP) induction by the drugs were tested as markers of mitochondrial damage. RESULTS The presence of an individual or combined nucleophilic agents significantly diminished CLZ- and NIF-induced cytotoxicities, while the presence of both agents paradoxically increased DIC-induced cytotoxicity by a factor of three with the reason remaining unknown. The presence of GSH significantly increased DIC-induced membrane damage too. Prevention of membrane damage by the hard nucleophile KCN suggests the generation of a hard electrophile upon DIC and GSH interaction. The presence of CYP2C9 inhibitor sulfaphenazol significantly diminished DIC-induced cytotoxicity, probably by preventing the formation of 4-hydroxylated metabolite of DIC, which further converts to an electrophilic reactive intermediate. Among the chelating agents, EDTA caused a marginal decrease in CLZ-induced cytotoxicity, while DIC-induced cytotoxicity was amplified by a factor of five. Both reactive and stable metabolites of CLZ could be detected in the incubation medium of CLZ with CHO-K1 cells, which are known to have low metabolic capacity. All three drugs caused a significant increase in cytoplasmic oxidative stress by means of DCFH oxidation, which was confirmed by increased MDA from cytoplasmic as well as mitochondrial membranes. The addition of GSH paradoxically and significantly increased DIC-induced MDA formation, in parallel with the increase in membrane damage when DIC and GSH combined. CONCLUSION Our results suggested that the soft electrophilic nitrenium ion of CLZ is not responsible for the observed in vitro toxicities, and this may originate from a relatively low amount of the metabolite due to the low metabolic capacity of CHO-K1. A hard electrophilic intermediate may contribute to cellular membrane damage incubated with DIC, while a soft electrophilic intermediate seems to exacerbate cell death by a mechanism other than membrane damage. A significant decrease in cytotoxicity of NIF by GSH and KCN suggested that both soft and hard electrophiles contribute to NIF-induced cytotoxicity. All three drugs induced peroxidative cytoplasmic membrane damage, while only DIC and NIF induced peroxidative mitochondrial membrane damage, which suggested mitochondrial processes may contribute to adverse effects of these drugs in vivo.
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Affiliation(s)
- Ali Ergüç
- Department of Pharmaceutical Toxicology, Faculty of Pharmacy, Ege University, 35040 Bornova-İzmir/Turkey
- Department of Pharmaceutical Toxicology, Faculty of Pharmacy, Katip Celebi University, Balatcık Campus 35620 Çiğli, İzmir/Turkey
| | - Fuat Karakuş
- Department of Pharmaceutical Toxicology, Faculty of Pharmacy, Ege University, 35040 Bornova-İzmir/Turkey
- Department of Pharmaceutical Toxicology, Faculty of Pharmacy, Yüzüncü Yıl University, No: 20, 65090 Van/Turkey
| | - Ege Arzuk
- Department of Pharmaceutical Toxicology, Faculty of Pharmacy, Ege University, 35040 Bornova-İzmir/Turkey
| | - Neliye Mutlu
- Department of Pharmaceutical Toxicology, Faculty of Pharmacy, Ege University, 35040 Bornova-İzmir/Turkey
| | - Hilmi Orhan
- Department of Pharmaceutical Toxicology, Faculty of Pharmacy, Ege University, 35040 Bornova-İzmir/Turkey
- Izmir Biomedicine and Genome Center (İBG-İzmir), Balcova 35340 İzmir/Turkey
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Lopes EA, Santos MMM, Mori M. Antimalarial drugs: what's new in the patents? Expert Opin Ther Pat 2023; 33:151-168. [PMID: 37060305 DOI: 10.1080/13543776.2023.2203814] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/16/2023]
Abstract
INTRODUCTION The efficacy of current therapeutic warheads in preventing malaria transmission or treating the disease is often hampered by the emergence of drug-resistance. No effective vaccines are available to date, and novel drugs able to counteract drug-resistant forms of malaria and/or to target multiple stages of the parasite's lifecycle are urgently needed. AREAS COVERED This review covers patents that protect antimalarial small molecules bearing the artemisinin or other chemical scaffolds, as well as vaccines, that have been published in the period 2015-2022. Literature was searched in public databases of articles and patents. Patents protecting small molecules that prevent malaria transmission are not discussed herein. EXPERT OPINION Significant progress has been made in the design of antimalarial agents. Most of these candidates have been tested in standardized strains, with the use of Plasmodium clinical isolates for testing still underdeveloped. Several compounds have been profiled in in vivo mouse models of malaria, including humanised mice. Despite having different efficacy, these new molecules might further progress the field and hopefully will advance to clinical development soon.
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Affiliation(s)
- Elizabeth A Lopes
- Faculty of Pharmacy, Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, Lisboa, Portugal
| | - Maria M M Santos
- Faculty of Pharmacy, Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, Lisboa, Portugal
| | - Mattia Mori
- Department of Biotechnology, Chemistry and Pharmacy, University of Siena, Siena, Italy
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Wang C, Jiao Y, Wang L, Zhang X, Yang Q, Guo M, Zhang Q, Hu W, Dong S, Jakkree T, Lu Y, Wang J. A paclitaxel prodrug nanoparticles with glutathion/reactive oxygen species dual-responsive and CD206 targeting to improve the anti-tumour effect. IET Nanobiotechnol 2023. [PMID: 37055350 PMCID: PMC10374550 DOI: 10.1049/nbt2.12119] [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: 10/20/2022] [Revised: 01/20/2023] [Accepted: 02/11/2023] [Indexed: 04/15/2023] Open
Abstract
As a first-line anticancer drug, paclitaxel has shortcomings, such as poor solubility and lack of tumour cell selectivity, which limit its further applications in clinical practice. Therefore, the authors aimed to utilise the characteristics of prodrug and nanotechnology to prepare a reactive oxygen species (ROS) and GSH dual-responsive targeted tumour prodrug nanoparticle Man-PEG-SS-PLGA/ProPTX to improve the clinical application status of paclitaxel limitation. The characterisation of Man-PEG-SS-PLGA/ProPTX was carried out through preparation. The cytotoxicity of nanoparticles on tumour cells and the effect on apoptosis of tumour cells were investigated by cytotoxicity assay and flow cytometry analysis. The ROS responsiveness of nanoparticles was investigated by detecting the ROS level of tumour cells. The tumour cell selectivity of the nanoparticles was further investigated by receptor affinity assay and cell uptake assay. The particle size of Man-PEG-SS-PLGA/ProPTX was (132.90 ± 1.81) nm, the dispersion coefficient Polymer dispersity index was 0.13 ± 0.03, and the Zeta potential was (-8.65 ± 0.50) mV. The encapsulation rate was 95.46 ± 2.31% and the drug load was 13.65 ± 2.31%. The nanoparticles could significantly inhibit the proliferation and promote apoptosis of MCF-7, HepG2, and MDA-MB-231 tumour cells. It has good ROS response characteristics and targeting. The targeted uptake mechanism is energy-dependent and endocytosis is mediated by non-clathrin, non-caveolin, lipid raft/caveolin, and cyclooxygenase (COX)/caveolin with a certain concentration dependence and time dependence. Man-PEG-SS-PLGA/ProPTX is a tumour microenvironment-responsive nanoparticle that can actively target tumour cells. It restricts the release of PTX in normal tissues, enhances its selectivity to tumour cells, and has significant antitumour activity, which is expected to solve the current limitations of PTX use.
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Affiliation(s)
- Changhai Wang
- Department of Beijing University of Chinese Medicine, Beijing, China
| | - Yuwen Jiao
- Department of Beijing University of Chinese Medicine, Beijing, China
| | - Lifang Wang
- Department of Beijing University of Chinese Medicine, Beijing, China
| | - Xinyu Zhang
- Department of Beijing University of Chinese Medicine, Beijing, China
| | - Qiannian Yang
- Department of Beijing University of Chinese Medicine, Beijing, China
| | - Mingxue Guo
- Department of Beijing University of Chinese Medicine, Beijing, China
| | - Qing Zhang
- Department of Beijing University of Chinese Medicine, Beijing, China
| | - Wenjun Hu
- Department of Beijing University of Chinese Medicine, Beijing, China
| | - Shuang Dong
- Department of Beijing University of Chinese Medicine, Beijing, China
| | | | - Yang Lu
- Department of Beijing University of Chinese Medicine, Beijing, China
| | - Jinling Wang
- Department of Beijing University of Chinese Medicine, Beijing, China
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Mohanty A, Alhaj Sulaiman A, Moovarkumudalvan B, Ali R, Aouida M, Ramotar D. The Yeast Permease Agp2 Senses Cycloheximide and Undergoes Degradation That Requires the Small Protein Brp1-Cellular Fate of Agp2 in Response to Cycloheximide. Int J Mol Sci 2023; 24:ijms24086975. [PMID: 37108141 PMCID: PMC10138708 DOI: 10.3390/ijms24086975] [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: 03/02/2023] [Revised: 03/25/2023] [Accepted: 04/02/2023] [Indexed: 04/29/2023] Open
Abstract
The Saccharomyces cerevisiae Agp2 is a plasma membrane protein initially reported to be an uptake transporter for L-carnitine. Agp2 was later rediscovered, together with three additional proteins, Sky1, Ptk2, and Brp1, to be involved in the uptake of the polyamine analogue bleomycin-A5, an anticancer drug. Mutants lacking either Agp2, Sky1, Ptk2, or Brp1 are extremely resistant to polyamines and bleomycin-A5, suggesting that these four proteins act in the same transport pathway. We previously demonstrated that pretreating cells with the protein synthesis inhibitor cycloheximide (CHX) blocked the uptake of fluorescently labelled bleomycin (F-BLM), raising the possibility that CHX could either compete for F-BLM uptake or alter the transport function of Agp2. Herein, we showed that the agp2Δ mutant displayed striking resistance to CHX as compared to the parent, suggesting that Agp2 is required to mediate the physiological effect of CHX. We examined the fate of Agp2 as a GFP tag protein in response to CHX and observed that the drug triggered the disappearance of Agp2 in a concentration- and time-dependent manner. Immunoprecipitation analysis revealed that Agp2-GFP exists in higher molecular weight forms that were ubiquitinylated, which rapidly disappeared within 10 min of treatment with CHX. CHX did not trigger any significant loss of Agp2-GFP in the absence of the Brp1 protein; however, the role of Brp1 in this process remains elusive. We propose that Agp2 is degraded upon sensing CHX to downregulate further uptake of the drug and discuss the potential function of Brp1 in the degradation process.
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Affiliation(s)
- Ashima Mohanty
- Division of Genomics and Precision Medicine, College of Health and Life Sciences, Hamad Bin Khalifa University, Education City, Qatar Foundation, Doha P.O. Box 34110, Qatar
| | - Abdallah Alhaj Sulaiman
- Division of Biological and Biomedical Sciences, College of Health and Life Sciences, Hamad Bin Khalifa University, Education City, Qatar Foundation, Doha P.O. Box 34110, Qatar
| | - Balasubramanian Moovarkumudalvan
- Division of Genomics and Precision Medicine, College of Health and Life Sciences, Hamad Bin Khalifa University, Education City, Qatar Foundation, Doha P.O. Box 34110, Qatar
- Division of Biological and Biomedical Sciences, College of Health and Life Sciences, Hamad Bin Khalifa University, Education City, Qatar Foundation, Doha P.O. Box 34110, Qatar
| | - Reem Ali
- Division of Biological and Biomedical Sciences, College of Health and Life Sciences, Hamad Bin Khalifa University, Education City, Qatar Foundation, Doha P.O. Box 34110, Qatar
| | - Mustapha Aouida
- Division of Biological and Biomedical Sciences, College of Health and Life Sciences, Hamad Bin Khalifa University, Education City, Qatar Foundation, Doha P.O. Box 34110, Qatar
| | - Dindial Ramotar
- Division of Biological and Biomedical Sciences, College of Health and Life Sciences, Hamad Bin Khalifa University, Education City, Qatar Foundation, Doha P.O. Box 34110, Qatar
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Abstract
BACKGROUND Breast cancer treatment has seen tremendous progress since the early 1980s, with the first findings of new chemotherapy and hormone therapies. Screening started in the same period. METHODS A review of population data (SEER and the literature) shows an increase in recurrence-free survival until 2000 and it stagnates afterwards. RESULTS Over the period 1980-2000, the 15% survival gain was presented by pharma as a contribution of new molecules. The contribution of screening during that same period was not implemented by them, although screening has been accepted as a routine procedure in the States since the 1980s and everywhere else since 2000. CONCLUSIONS Interpretation of breast cancer outcome has largely focused on drugs, whereas other factors, such as screening, prevention, biologics, and genetics, were largely neglected. More attention should now be paid to examining the strategy based on realistic global data.
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Affiliation(s)
- Guy A Storme
- Department Radiation Oncology, UZ Brussel, Laarbeeklaan 101, 1090 Brussels, Belgium
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236
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Badary OA. Implications of potential clinically relevant interactions between COVID-19 vaccines and concomitant medications. Rev Med Virol 2023; 33:e2417. [PMID: 37021389 DOI: 10.1002/rmv.2417] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Revised: 10/15/2022] [Accepted: 12/05/2022] [Indexed: 04/07/2023]
Abstract
COVID-19 was announced as a global pandemic in 2020. Several types of COVID-19 vaccines are available such as mRNA vaccines, adenovirus vector vaccines, and protein subunit or inactivated virus vaccines. Vaccines are often administered in patients with chronic diseases who are likely to be treated with several drugs. A growing number of clinical observations indicated the possibility of interactions between COVID-19 vaccines and drugs. A hyperinflammatory state may spark significant imbalances in drug metabolism that may result in the alteration of drug pharmacokinetics and therapeutic response. Furthermore, interactions may result in additive or antagonistic or synergistic vaccine immune response. Information about COVID-19 vaccine-drug interactions is needed by physicians and pharmacists to make rational drug-use decisions. In this review, several individual and categorical evidence-based potential COVID-19 vaccine-drug interactions of clinical importance are described. Vigilance is needed to detect previously unreported COVID-19 drug interactions and to further assess known interactions. The clinical significance of which is not fully determined. Evidence suggests that adverse events to some drugs are rare after COVID-19 vaccination and their possibility should not affect vaccination of patients at risk. Clinicians prescribing medications should be aware of the likely risk of interaction with COVID-19 vaccines and may benefit from taking into account present recommendations of the best measures to avoid consequences of such interactions to preserve vaccine efficacy and patient safety.
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Affiliation(s)
- Osama A Badary
- Clinical Pharmacy Practice Department, Faculty of Pharmacy, The British University in Egypt, Cairo, Egypt
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237
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Pirete LDM, Camargo FP, Grosseli GM, Sakamoto IK, Fadini PS, Silva EL, Varesche MBA. Microbial diversity and metabolic inference of diclofenac removal in optimised batch heterotrophic-denitrifying conditions by means of factorial design. Environ Technol 2023:1-20. [PMID: 36927407 DOI: 10.1080/09593330.2023.2192365] [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] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Accepted: 03/06/2023] [Indexed: 06/18/2023]
Abstract
Using the Response Surface Methodology (RSM) and Rotational Central Composite Design (RCCD), this study evaluated the removal of DCF under denitrifying conditions, with ethanol as cosubstrate, in batch reactors, being 1 L Erlenmeyer flasks (330 mL of reactional volume) containing Dofing medium and kept under agitation at 130 rpm and incubated at mesophilic temperature (30 °C). It considered the individual and multiple effects of the variables: nitrate (130 - 230 mg NO3- L-1), DCF (60-100 µg DCF L-1) and ethanol (130 - 230 mg EtOH L-1). The highest drug removal efficiency (17.5%) and total nitrate removal were obtained at 176.6 ± 4.3 mg NO3 -L-1, 76.8 ± 3.7 µg DCF L-1, and 180.0 ± 2.5 mg EtOH L-1. Under such conditions, the addition of ethanol and nitrate was significant for the additional removal of diclofenac (p > 0.05). The prevalence of Rhodanobacter, Haliangium and Terrimonas in the inoculum biomass (activated sludge systems) was identified through the 16S rRNA gene sequencing. The potential of these genera to remove nitrate and degrade diclofenac was inferred, and the main enzymes potentially involved in this process were α-methylacyl-CoA racemase, long-chain fatty acid-CoA ligase, catalases and pseudoperoxidases.
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Affiliation(s)
- Luciana de Melo Pirete
- Department of Hydraulics and Sanitation, São Carlos School of Engineering, University of São Paulo, São Carlos, Brazil
| | - Franciele Pereira Camargo
- Department of Hydraulics and Sanitation, São Carlos School of Engineering, University of São Paulo, São Carlos, Brazil
| | | | - Isabel K Sakamoto
- Department of Hydraulics and Sanitation, São Carlos School of Engineering, University of São Paulo, São Carlos, Brazil
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Gaona-López C, Vazquez-Jimenez LK, Gonzalez-Gonzalez A, Delgado-Maldonado T, Ortiz-Pérez E, Nogueda-Torres B, Moreno-Rodríguez A, Vázquez K, Saavedra E, Rivera G. Advances in Protozoan Epigenetic Targets and Their Inhibitors for the Development of New Potential Drugs. Pharmaceuticals (Basel) 2023; 16:ph16040543. [PMID: 37111300 PMCID: PMC10143871 DOI: 10.3390/ph16040543] [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: 02/22/2023] [Revised: 03/29/2023] [Accepted: 03/31/2023] [Indexed: 04/29/2023] Open
Abstract
Protozoan parasite diseases cause significant mortality and morbidity worldwide. Factors such as climate change, extreme poverty, migration, and a lack of life opportunities lead to the propagation of diseases classified as tropical or non-endemic. Although there are several drugs to combat parasitic diseases, strains resistant to routinely used drugs have been reported. In addition, many first-line drugs have adverse effects ranging from mild to severe, including potential carcinogenic effects. Therefore, new lead compounds are needed to combat these parasites. Although little has been studied regarding the epigenetic mechanisms in lower eukaryotes, it is believed that epigenetics plays an essential role in vital aspects of the organism, from controlling the life cycle to the expression of genes involved in pathogenicity. Therefore, using epigenetic targets to combat these parasites is foreseen as an area with great potential for development. This review summarizes the main known epigenetic mechanisms and their potential as therapeutics for a group of medically important protozoal parasites. Different epigenetic mechanisms are discussed, highlighting those that can be used for drug repositioning, such as histone post-translational modifications (HPTMs). Exclusive parasite targets are also emphasized, including the base J and DNA 6 mA. These two categories have the greatest potential for developing drugs to treat or eradicate these diseases.
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Affiliation(s)
- Carlos Gaona-López
- Laboratorio de Biotecnología Farmacéutica, Centro de Biotecnología Genómica, Instituto Politécnico Nacional, Reynosa 88710, Mexico
| | - Lenci K Vazquez-Jimenez
- Laboratorio de Biotecnología Farmacéutica, Centro de Biotecnología Genómica, Instituto Politécnico Nacional, Reynosa 88710, Mexico
| | - Alonzo Gonzalez-Gonzalez
- Laboratorio de Biotecnología Farmacéutica, Centro de Biotecnología Genómica, Instituto Politécnico Nacional, Reynosa 88710, Mexico
| | - Timoteo Delgado-Maldonado
- Laboratorio de Biotecnología Farmacéutica, Centro de Biotecnología Genómica, Instituto Politécnico Nacional, Reynosa 88710, Mexico
| | - Eyrá Ortiz-Pérez
- Laboratorio de Biotecnología Farmacéutica, Centro de Biotecnología Genómica, Instituto Politécnico Nacional, Reynosa 88710, Mexico
| | - Benjamín Nogueda-Torres
- Departamento de Parasitología, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Mexico City 11340, Mexico
| | - Adriana Moreno-Rodríguez
- Laboratorio de Estudios Epidemiológicos, Clínicos, Diseños Experimentales e Investigación, Facultad de Ciencias Químicas, Universidad Autónoma "Benito Juárez" de Oaxaca, Avenida Universidad S/N, Ex Hacienda Cinco Señores, Oaxaca 68120, Mexico
| | - Karina Vázquez
- Facultad de Medicina Veterinaria y Zootecnia, Universidad Autónoma de Nuevo León, Francisco Villa 20, General Escobedo 66054, Mexico
| | - Emma Saavedra
- Departamento de Bioquímica, Instituto Nacional de Cardiología Ignacio Chávez, Mexico City 14080, Mexico
| | - Gildardo Rivera
- Laboratorio de Biotecnología Farmacéutica, Centro de Biotecnología Genómica, Instituto Politécnico Nacional, Reynosa 88710, Mexico
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Peterson A, Largent EA, Lynch HF, Karlawish J, Sisti D. Journeying to Ixtlan: Ethics of Psychedelic Medicine and Research for Alzheimer's Disease and Related Dementias. AJOB Neurosci 2023; 14:107-123. [PMID: 36476106 DOI: 10.1080/21507740.2022.2148771] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/26/2023]
Abstract
In this paper, we examine the case of psychedelic medicine for Alzheimer's disease and related dementias (AD/ADRD). These "mind-altering" drugs are not currently offered as treatments to persons with AD/ADRD, though there is growing interest in their use to treat underlying causes and associated psychiatric symptoms. We present a research agenda for examining the ethics of psychedelic medicine and research involving persons living with AD/ADRD, and offer preliminary analyses of six ethical issues: the impact of psychedelics on autonomy and consent; the impact of "ego dissolution" on persons experiencing a pathology of self; how psychedelics might impact caregiving; the potential exploitation of patient desperation; institutional review boards' orientation to psychedelic research; and methods to mitigate inequity. These ethical issues are magnified for AD/ADRD but bear broader relevance to psychedelic medicine and research in other clinical populations.
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Affiliation(s)
| | | | | | | | - Dominic Sisti
- University of Pennsylvania Perelman School of Medicine
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240
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Ramírez L, Sánchez I, Muñoz M, Martínez-Acitores ML, Garrido E, Hernández G, López-Pintor RM. Risk factors associated with xerostomia and reduced salivary flow in hypertensive patients. Oral Dis 2023; 29:1299-1311. [PMID: 34839577 DOI: 10.1111/odi.14090] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2021] [Revised: 11/20/2021] [Accepted: 11/23/2021] [Indexed: 11/28/2022]
Abstract
OBJECTIVE The aim of this study was to evaluate the risk factors associated with xerostomia and hyposalivation in a group of hypertensive patients. SUBJECTS AND METHODS A cross-sectional study was conducted. Hypertensive patients belonged to two healthcare centers were included. Xerostomia was assessed by asking a question and using the Xerostomia Inventory. Unstimulated salivary flow was collected. Different epidemiological variables were analyzed such as age, sex, habits, diseases, drugs, and blood pressure. RESULTS 221 individuals were included. Xerostomia was reported in 51.13% of patients. Patients with xerostomia suffered more from osteoarthritis and diaphragmatic hernia. These patients took more anticoagulants (acenocoumarol), antiarrhythmics (amiodarone), analgesics (paracetamol) and epilepsy drugs (pregabalin) and less platelet aggregation inhibitors and angiotensin II receptor blockers (losartan). Unstimulated flow was reduced in 37.56% of patients. Patients suffering hyposalivation presented more diseases such as anxiety, infectious or parasitic diseases, hepatitis C, diaphragmatic hernia, and osteoarthritis. These patients took more repaglinide, thiazides, anti-inflammatories, anti-rheumatics, glucosamine, diazepam, and selective beta-2-adrenoreceptor agonists and less combinations of candesartan and diuretics. CONCLUSIONS Xerostomia and hyposalivation are frequent in hypertensive patients. It is advisable to take into consideration the comorbidities and the drugs they receive, since they can increase the risk of these salivary disorders.
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Affiliation(s)
- Lucía Ramírez
- Department of Dental Clinical Specialties, ORALMED Research Group, School of Dentistry, Complutense University, Madrid, Spain
| | - Isabel Sánchez
- Department of Dental Clinical Specialties, ORALMED Research Group, School of Dentistry, Complutense University, Madrid, Spain
| | - Marta Muñoz
- Department of Clinical Dentistry, School of Biomedical Science, European University of Madrid, Villaviciosa de Odón, Madrid, Spain
| | | | | | - Gonzalo Hernández
- Department of Dental Clinical Specialties, ORALMED Research Group, School of Dentistry, Complutense University, Madrid, Spain
| | - Rosa María López-Pintor
- Department of Dental Clinical Specialties, ORALMED Research Group, School of Dentistry, Complutense University, Madrid, Spain
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241
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Ma Y, Yang XH, Tu Y, Athari SS. Survey the effect of drug treatment on modulation of cytokines gene expression in allergic rhinitis. Fundam Clin Pharmacol 2023; 37:340-346. [PMID: 36314138 DOI: 10.1111/fcp.12847] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 10/04/2022] [Accepted: 10/27/2022] [Indexed: 11/07/2022]
Abstract
Allergic rhinitis as common airway disease has high prevalence in all peoples worldwide. In allergic diseases, Th2 cells release type 2 cytokines that support the inflammation in airways. All the drugs used for allergic rhinitis do not cure completely, and the choice of drugs according to cost and efficacy is very important in all groups of atopic patients. Therefore, in this study, the effect of commercial drugs on cytokine gene expression has been studied. Male Balb/c mice were divided into six groups. Allergic rhinitis was induced in five of the six groups with ovalbumin, and four of these five groups were treated with salbutamol, budesonide, theophylline, and montelukast. The fifth group was used as positive control group and the sixth group as negative control group. For the survey, RNA was extracted, cDNA was synthesized, and quantitative real-time PCR was done for 21 genes. The four drugs had different effects on mRNA expression of cytokines (IL-1b, 2, 4, 5, 7, 8, 9, 11, 12, 13, 17, 18, 22, 25, 31, 33, 37, IFN-γ, TNF-α, TGF-β1, and eotaxin) in the allergic rhinitis groups. Salbutamol can be used during pregnancy and breastfeeding, but it has some side effects. Budesonide in the inhaled form is generally safe in pregnancy. Theophylline cannot control allergic attack in the long run. Montelukast is not useful in the treatment of acute allergic attacks. Immunomodulatory and anti-inflammatory effects of drugs in control of allergic rhinitis via Th2 cytokines can be new approaches in molecular medicine.
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Affiliation(s)
- Yan Ma
- Department of Otorhinolaryngology, The Second Affiliated Hospital of Kunming Medical University, Kunming, 651000, China
| | - Xiao-Hong Yang
- Department of Otorhinolaryngology, The Second Affiliated Hospital of Kunming Medical University, Kunming, 651000, China
| | - Yi Tu
- Department of Otorhinolaryngology, The Second Affiliated Hospital of Kunming Medical University, Kunming, 651000, China
| | - Seyyed Shamsadin Athari
- Department of Immunology, School of Medicine, Zanjan University of Medical Sciences, Zanjan, Iran
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242
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Bassotti G, Battaglia E. Considerations for laxatives in terms of their interactions with other drugs. Expert Opin Drug Metab Toxicol 2023; 19:121-123. [PMID: 36930791 DOI: 10.1080/17425255.2023.2193326] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/19/2023]
Affiliation(s)
- Gabrio Bassotti
- Gastroenterology & Hepatology Section, Department of Medicine and Surgery, University of Perugia and Gastroenterology Unit, Perugia General Hospital, Perugia, Italy
- Gastroenterology Unit, ASL TO4 (Cirié-Chivasso-Cuorgné-Ivrea), Perugia, Italy
| | - Edda Battaglia
- Gastroenterology Unit, ASL TO4 (Cirié-Chivasso-Cuorgné-Ivrea), Perugia, Italy
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243
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Khan A, Adil S, Qudsia HA, Waheed Y, Alshabrmi FM, Wei DQ. Structure-based design of promising natural products to inhibit thymidylate kinase from Monkeypox virus and validation using free energy calculations. Comput Biol Med 2023; 158:106797. [PMID: 36966556 PMCID: PMC10029349 DOI: 10.1016/j.compbiomed.2023.106797] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2023] [Revised: 03/02/2023] [Accepted: 03/20/2023] [Indexed: 03/23/2023]
Abstract
Monkeypox (MPXV) is a globally growing public health concern with 80,328 active cases and 53 deaths have been reported. No specific vaccine or drug is available for the treatment of MPXV. Hence, the current study also employed structure-based drug designing, molecular simulation, and free energy calculation methods to identify potential hit molecules against the TMPK of MPXV, which is a replicatory protein that helps the virus to replicate its DNA and increase the number of DNAs in the host cell. The 3D structure of TMPK was modeled with AlphaFold and screening of multiple natural products libraries (4,71,470 compounds) identified TCM26463, TCM2079, and TCM29893 from traditional Chinese medicines database (TCM), SANC00240, SANC00984, and SANC00986 South African natural compounds database (SANCDB), NPC474409, NPC278434 and NPC158847 from NPASS (natural product activity and species source database) while CNP0404204, CNP0262936, and CNP0289137 were shortlisted from coconut database (collection of open natural products) as the best hits. These compounds interact with the key active site residues through hydrogen bonds, salt bridges, and pie-pie interactions. The structural dynamics and binding free energy results further revealed that these compounds possess stable dynamics with excellent binding free energy scores. Moreover, the dissociation constant (KD) and bioactivity analysis revealed stronger activity of these compounds exhibit stronger biological activity against MPXV and may inhibit it in in vitro conditions. All the results demonstrated that the designed novel compounds possess stronger inhibitory activity than the control complex (TPD-TMPK) from the vaccinia virus. The current study is the first to design small molecule inhibitors for the replication protein of MPXV which may help in controlling the current epidemic and also overcome the challenge of vaccine evasion.
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Affiliation(s)
- Abbas Khan
- Department of Bioinformatics and Biological Statistics, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, 200240, PR China; Zhongjing Research and Industrialization Institute of Chinese Medicine, Zhongguancun Scientific Park, Meixi, Nanyang, Henan, 473006, PR China; State Key Laboratory of Microbial Metabolism, Joint International Research Laboratory of Metabolic & Developmental Sciences, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, 200030, PR China
| | - Shoaib Adil
- Gujranwala Medical College, Gondlanwala Rd, Gujranwala, Punjab, Pakistan
| | | | - Yasir Waheed
- Office of Research, Innovation, and Commercialization (ORIC), Shaheed Zulfiqar Ali Bhutto Medical University (SZABMU), Islamabad, 44000, Pakistan; Gilbert and Rose-Marie Chagoury School of Medicine, Lebanese American University, Byblos, 1401, Lebanon
| | - Fahad M Alshabrmi
- Department of Medical Laboratories, College of Applied Medical Sciences, Qassim University, Buraydah, 51452, Saudi Arabia.
| | - Dong-Qing Wei
- Department of Bioinformatics and Biological Statistics, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, 200240, PR China; Zhongjing Research and Industrialization Institute of Chinese Medicine, Zhongguancun Scientific Park, Meixi, Nanyang, Henan, 473006, PR China; Peng Cheng Laboratory, Vanke Cloud City Phase I Building 8, Xili Street, Nashan District, Shenzhen, Guangdong, 518055, PR China; State Key Laboratory of Microbial Metabolism, Joint International Research Laboratory of Metabolic & Developmental Sciences, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, 200030, PR China.
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244
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Luauté J, Beaudoin-Gobert M. Optimising recovery of consciousness after coma. From bench to bedside and vice versa. Presse Med 2023; 52:104165. [PMID: 36948412 DOI: 10.1016/j.lpm.2023.104165] [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] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Accepted: 03/13/2023] [Indexed: 03/24/2023] Open
Abstract
BACKGROUND Several methods have been proposed to foster recovery of consciousness in patients with disorders of consciousness (DoC). OBJECTIVE Critically assess pharmacological and non-pharmacological treatments for patients with chronic DoC. METHODS A narrative mini-review, and critical analysis of the scientific literature on the various proposed therapeutic approaches, with particular attention to level of evidence, risk-benefit ratio, and feasibility. RESULTS AND DISCUSSION Personalised sensory stimulation, median nerve stimulation, transcranial direct current stimulation (tDCS), amantadine and zolpidem all have favourable risk-benefit ratios and are easy to implement in clinical practice. These treatments should be proposed to every patient with chronic DoC. Comprehensive patient management should also include regular lifting, pain assessment and treatment, attempts to restore sleep and circadian rhythms, implementation of rest periods, comfort and nursing care, and a rehabilitation program with a multi-disciplinary team with expertise in this field. More invasive treatments may cause adverse effects and require further investigation to confirm preliminary, encouraging results and to better define responders' intervention parameters. Scientific studies are essential and given the severity of the disability and handicap that results from DoC, research in this area should aim to develop new therapeutic approaches.
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Affiliation(s)
- Jacques Luauté
- Université Claude Bernard Lyon 1, CNRS, INSERM, Centre de Recherche en Neurosciences de Lyon CRNL U1028 UMR5292, Trajectoires, F-69500, Bron, France; Hospices Civils de Lyon, Hôpital Henry Gabrielle, Saint-Genis Laval, 69230, France.
| | - Maude Beaudoin-Gobert
- Université Claude Bernard Lyon 1, CNRS, INSERM, Centre de Recherche en Neurosciences de Lyon CRNL U1028 UMR5292, Trajectoires, F-69500, Bron, France
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245
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Mruk-Mazurkiewicz H, Kulaszyńska M, Jakubczyk K, Janda-Milczarek K, Czarnecka W, Rębacz-Maron E, Zacha S, Sieńko J, Zeair S, Dalewski B, Marlicz W, Łoniewski I, Skonieczna-Żydecka K. Clinical Relevance of Gut Microbiota Alterations under the Influence of Selected Drugs-Updated Review. Biomedicines 2023; 11:biomedicines11030952. [PMID: 36979931 PMCID: PMC10046554 DOI: 10.3390/biomedicines11030952] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Revised: 03/12/2023] [Accepted: 03/14/2023] [Indexed: 03/30/2023] Open
Abstract
As pharmacology and science progress, we discover new generations of medicines. This relationship is a response to the increasing demand for medicaments and is powered by progress in medicine and research about the respective entities. However, we have questions about the efficiency of pharmacotherapy in individual groups of patients. The effectiveness of therapy is controlled by many variables, such as genetic predisposition, age, sex and diet. Therefore, we must also pay attention to the microbiota, which fulfill a lot of functions in the human body. Drugs used in psychiatry, gastroenterology, diabetology and other fields of medicine have been demonstrated to possess much potential to change the composition and probably the function of the intestinal microbiota, which consequently creates long-term risks of developing chronic diseases. The article describes the amazing interactions between gut microbes and drugs currently used in healthcare.
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Affiliation(s)
| | - Monika Kulaszyńska
- Department of Biochemical Science, Pomeranian Medical University in Szczecin, 71-460 Szczecin, Poland
| | - Karolina Jakubczyk
- Department of Human Nutrition and Metabolomics, Pomeranian Medical University in Szczecin, 71-460 Szczecin, Poland
| | - Katarzyna Janda-Milczarek
- Department of Human Nutrition and Metabolomics, Pomeranian Medical University in Szczecin, 71-460 Szczecin, Poland
| | - Wiktoria Czarnecka
- Department of Biochemical Science, Pomeranian Medical University in Szczecin, 71-460 Szczecin, Poland
| | - Ewa Rębacz-Maron
- Institute of Biology, Department of Ecology and Anthropology, University of Szczecin, 71-415 Szczecin, Poland
| | - Sławomir Zacha
- Department of Pediatric Orthopedics and Oncology of the Musculoskeletal System, Pomeranian Medical University in Szczecin, 71-252 Szczecin, Poland
| | - Jerzy Sieńko
- Department of General and Gastroenterology Oncology Surgery, Pomeranian Medical University in Szczecin, 71-899 Szczecin, Poland
- Institute of Physical Culture Sciences, University of Szczecin, 70-453 Szczecin, Poland
| | - Samir Zeair
- General and Transplant Surgery Ward with Sub-Departments of Pomeranian Regional Hospital in Szczecin, 71-455 Arkonska, Poland
| | - Bartosz Dalewski
- Department of Dental Prosthetics, Pomeranian Medical University in Szczecin, 70-111 Szczecin, Poland
| | - Wojciech Marlicz
- Department of Gastroenterology, Pomeranian Medical University in Szczecin, 71-455 Szczecin, Poland
| | - Igor Łoniewski
- Department of Biochemical Science, Pomeranian Medical University in Szczecin, 71-460 Szczecin, Poland
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Alswedani S, Mehmood R, Katib I, Altowaijri SM. Psychological Health and Drugs: Data-Driven Discovery of Causes, Treatments, Effects, and Abuses. Toxics 2023; 11:287. [PMID: 36977052 PMCID: PMC10053492 DOI: 10.3390/toxics11030287] [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] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 03/16/2023] [Accepted: 03/18/2023] [Indexed: 06/18/2023]
Abstract
Mental health issues can have significant impacts on individuals and communities and hence on social sustainability. There are several challenges facing mental health treatment; however, more important is to remove the root causes of mental illnesses because doing so can help prevent mental health problems from occurring or recurring. This requires a holistic approach to understanding mental health issues that are missing from the existing research. Mental health should be understood in the context of social and environmental factors. More research and awareness are needed, as well as interventions to address root causes. The effectiveness and risks of medications should also be studied. This paper proposes a big data and machine learning-based approach for the automatic discovery of parameters related to mental health from Twitter data. The parameters are discovered from three different perspectives: Drugs and Treatments, Causes and Effects, and Drug Abuse. We used Twitter to gather 1,048,575 tweets in Arabic about psychological health in Saudi Arabia. We built a big data machine learning software tool for this work. A total of 52 parameters were discovered for all three perspectives. We defined six macro-parameters (Diseases and Disorders, Individual Factors, Social and Economic Factors, Treatment Options, Treatment Limitations, and Drug Abuse) to aggregate related parameters. We provide a comprehensive account of mental health, causes, medicines and treatments, mental health and drug effects, and drug abuse, as seen on Twitter, discussed by the public and health professionals. Moreover, we identify their associations with different drugs. The work will open new directions for a social media-based identification of drug use and abuse for mental health, as well as other micro and macro factors related to mental health. The methodology can be extended to other diseases and provides a potential for discovering evidence for forensics toxicology from social and digital media.
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Affiliation(s)
- Sarah Alswedani
- Department of Computer Science, Faculty of Computing and Information Technology, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Rashid Mehmood
- High-Performance Computing Center, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Iyad Katib
- Department of Computer Science, Faculty of Computing and Information Technology, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Saleh M. Altowaijri
- Department of Information Systems, Faculty of Computing and Information Technology, Northern Border University, Rafha 91911, Saudi Arabia
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Koumaki D, Gregoriou S, Evangelou G, Krasagakis K. Pruritogenic Mediators and New Antipruritic Drugs in Atopic Dermatitis. J Clin Med 2023; 12:2091. [PMID: 36983094 PMCID: PMC10054239 DOI: 10.3390/jcm12062091] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Revised: 02/27/2023] [Accepted: 03/01/2023] [Indexed: 03/30/2023] Open
Abstract
Atopic dermatitis (AD) is a common highly pruritic chronic inflammatory skin disorder affecting 5-20% of children worldwide, while the prevalence in adults varies from 7 to 10%. Patients with AD experience intense pruritus that could lead to sleep disturbance and impaired quality of life. Here, we analyze the pathophysiology of itchiness in AD. We extensively review the histamine-dependent and histamine-independent pruritogens. Several receptors, substance P, secreted molecules, chemokines, and cytokines are involved as mediators in chronic itch. We also, summarize the new emerging antipruritic drugs in atopic dermatitis.
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Affiliation(s)
- Dimitra Koumaki
- Dermatology Department, University Hospital of Heraklion, 71110 Heraklion, Greece
| | - Stamatios Gregoriou
- Department of Dermatology and Venereology, Andreas Sygros Hospital, Medical School of Athens, National and Kapodistrian University of Athens, 16121 Athens, Greece
| | - George Evangelou
- Dermatology Department, University Hospital of Heraklion, 71110 Heraklion, Greece
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Abstract
Polyoxometalates (POMs) are oxoanions of transition metal ions, such as V, Mo, W, Nb, and Pd, forming a variety of structures with a wide range of applications. Herein, we analyzed recent studies on the effects of polyoxometalates as anticancer agents, particularly their effects on the cell cycle. To this end, a literature search was carried out between March and June 2022, using the keywords "polyoxometalates" and "cell cycle". The effects of POMs on selected cell lines can be diverse, such as their effects in the cell cycle, protein expression, mitochondrial effects, reactive oxygen species (ROS) production, cell death and cell viability. The present study focused on cell viability and cell cycle arrest. Cell viability was analyzed by dividing the POMs into sections according to the constituent compound, namely polyoxovanadates (POVs), polyoxomolybdates (POMos), polyoxopaladates (POPds) and polyoxotungstates (POTs). When comparing and sorting the IC50 values in ascending order, we obtained first POVs, then POTs, POPds and, finally, POMos. When comparing clinically approved drugs and POMs, better results of POMs in relation to drugs were observed in many cases, since the dose required to have an inhibitory concentration of 50% is 2 to 200 times less, depending on the POMs, highlighting that these compounds could become in the future an alternative to existing drugs in cancer therapy.
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Affiliation(s)
- Fátima Carvalho
- Faculdade de Medicina e Ciências Biomédicas (FMCB), Universidade do Algarve, Campus de Gambelas, 8005-139 Faro, Portugal
| | - Manuel Aureliano
- Faculdade de Ciências e Tecnologia (FCT), Universidade do Algarve, 8005-139 Faro, Portugal
- Centro de Ciências do Mar (CCMar), Universidade do Algarve, 8005-139 Faro, Portugal
- Correspondence: ; Tel.: +351-289-900-805
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Sasidharan S, Saudagar P. An anti-leishmanial compound 4',7-dihydroxyflavone elicits ROS-mediated apoptosis-like death in Leishmania parasite. FEBS J 2023. [PMID: 36871140 DOI: 10.1111/febs.16770] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 01/12/2023] [Accepted: 03/02/2023] [Indexed: 03/06/2023]
Abstract
The treatment for leishmaniasis is currently plagued by side effects such as toxicity and the emergence of drug resistance to the available repertoire of drugs, as well as the expense of these drugs. Considering such rising concerns, we report the anti-leishmanial activity and mechanism of a flavone compound 4',7-dihydroxyflavone (TI 4). Four flavanoids were initially screened for anti-leishmanial activity and cytotoxicity. The results showed that the compound TI 4 exhibited higher activity and selectivity index at the same time as maintaining low cytotoxicity. Preliminary microscopic studies and fluorescence-activated cell sorting analysis reported that the parasite underwent apoptosis on TI 4 treatment. Further in-depth studies revealed high reactive oxygen species (ROS) production and thiol levels in the parasites, suggesting ROS-mediated apoptosis in the parasites upon TI 4 treatment. Other apoptotic indicators such as intracellular Ca2+ and mitochondrial membrane potential also indicated the onset of apoptosis in the treated parasites. The mRNA expression levels signified that the redox metabolism genes were upregulated by two-fold along with the apoptotic genes. In summary, the use of TI 4 on Leishmania parasites induces ROS-mediated apoptosis; therefore, the compound has immense potential to be an anti-leishmanial drug. However, in vivo studies would be required to ascertain its safety and efficacy before we can exploit the compound against the growing leishmaniasis crisis.
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Affiliation(s)
- Santanu Sasidharan
- Department of Biotechnology, National Institute of Technology, Warangal, India
| | - Prakash Saudagar
- Department of Biotechnology, National Institute of Technology, Warangal, India
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250
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Rampogu S, Kim Y, Kim SW, Lee KW. An overview on monkeypox virus: Pathogenesis, transmission, host interaction and therapeutics. Front Cell Infect Microbiol 2023; 13:1076251. [PMID: 36844409 PMCID: PMC9950268 DOI: 10.3389/fcimb.2023.1076251] [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] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Accepted: 01/10/2023] [Indexed: 02/12/2023] Open
Abstract
Orthopoxvirus is one of the most notorious genus amongst the Poxviridae family. Monkeypox (MP) is a zoonotic disease that has been spreading throughout Africa. The spread is global, and incidence rates are increasing daily. The spread of the virus is rapid due to human-to-human and animals-to-human transmission. World Health Organization (WHO) has declared monkeypox virus (MPV) as a global health emergency. Since treatment options are limited, it is essential to know the modes of transmission and symptoms to stop disease spread. The information from host-virus interactions revealed significantly expressed genes that are important for the progression of the MP infection. In this review, we highlighted the MP virus structure, transmission modes, and available therapeutic options. Furthermore, this review provides insights for the scientific community to extend their research work in this field.
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Affiliation(s)
- Shailima Rampogu
- Department of Bio & Medical Big Data (BK4 Program), Division of Life Sciences, Research Institute of Natural Science (RINS), Gyeongsang National University (GNU), Jinju, Republic of Korea
| | - Yongseong Kim
- Department of Pharmaceutical Engineering, Kyungnam University, Changwon, Republic of Korea
| | - Seon-Won Kim
- Division of Applied Life Science (BK21 Four), ABC-RLRC, PMBBRC, Gyeongsang National University, Jinju, Republic of Korea
| | - Keun Woo Lee
- Department of Bio & Medical Big Data (BK4 Program), Division of Life Sciences, Research Institute of Natural Science (RINS), Gyeongsang National University (GNU), Jinju, Republic of Korea
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