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Wang Z, Chen X, Yan L, Wang W, Zheng P, Mohammadreza A, Liu Q. Antimicrobial peptides in bone regeneration: mechanism and potential. Expert Opin Biol Ther 2024; 24:285-304. [PMID: 38567503 DOI: 10.1080/14712598.2024.2337239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Accepted: 03/26/2024] [Indexed: 04/04/2024]
Abstract
INTRODUCTION Antimicrobial peptides (AMPs) are small-molecule peptides with a unique antimicrobial mechanism. Other notable biological activities of AMPs, including anti-inflammatory, angiogenesis, and bone formation effects, have recently received widespread attention. These remarkable bioactivities, combined with the unique antimicrobial mechanism of action of AMPs, have led to their increasingly important role in bone regeneration. AREAS COVERED In this review, on the one hand, we aimed to summarize information about the AMPs that are currently used for bone regeneration by reviewing published literature in the PubMed database. On the other hand, we also highlight some AMPs with potential roles in bone regeneration and their possible mechanisms of action. EXPERT OPINION The translation of AMPs to the clinic still faces many problems, but their unique antimicrobial mechanisms and other conspicuous biological activities suggest great potential. An in-depth understanding of the structure and mechanism of action of AMPs will help us to subsequently combine AMPs with different carrier systems and perform structural modifications to reduce toxicity and achieve stable release, which may be a key strategy for facilitating the translation of AMPs to the clinic.
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Affiliation(s)
- ZhiCheng Wang
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou, China
- School of Stomatology, Southern Medical University, Guangzhou, China
| | - XiaoMan Chen
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou, China
- School of Stomatology, Southern Medical University, Guangzhou, China
| | - Liang Yan
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou, China
- School of Stomatology, Southern Medical University, Guangzhou, China
| | - WenJie Wang
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou, China
- School of Stomatology, Southern Medical University, Guangzhou, China
| | - PeiJia Zheng
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou, China
- School of Stomatology, Southern Medical University, Guangzhou, China
| | - Atashbahar Mohammadreza
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou, China
- School of International Education, Southern Medical University, Guangzhou, China
| | - Qi Liu
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou, China
- School of Stomatology, Southern Medical University, Guangzhou, China
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Wiezel GA, Oliveira IS, Reis MB, Ferreira IG, Cordeiro KR, Bordon KCF, Arantes EC. The complex repertoire of Tityus spp. venoms: Advances on their composition and pharmacological potential of their toxins. Biochimie 2024; 220:144-166. [PMID: 38176606 DOI: 10.1016/j.biochi.2023.12.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Revised: 11/30/2023] [Accepted: 12/30/2023] [Indexed: 01/06/2024]
Abstract
Animal venoms are a rich and complex source of components, including peptides (such as neurotoxins, anionic peptides and hypotensins), lipids, proteins (such as proteases, hyaluronidases and phospholipases) and inorganic compounds, which affect all biological systems of the envenoming victim. Their action may result in a wide range of clinical manifestations, including tachy/bradycardia, hyper/hypotension, disorders in blood coagulation, pain, edema, inflammation, fever, muscle paralysis, coma and even death. Scorpions are one of the most studied venomous animals in the world and interesting bioactive molecules have been isolated and identified from their venoms over the years. Tityus spp. are among the scorpions with high number of accidents reported in the Americas, especially in Brazil. Their venoms have demonstrated interesting results in the search for novel agents with antimicrobial, anti-viral, anti-parasitic, hypotensive, immunomodulation, anti-insect, antitumor and/or antinociceptive activities. Furthermore, other recent activities still under investigation include drug delivery action, design of anti-epileptic drugs, investigation of sodium channel function, treatment of erectile disfunction and priapism, improvement of scorpion antivenom and chelating molecules activity. In this scenario, this paper focuses on reviewing advances on Tityus venom components mainly through the modern omics technologies as well as addressing potential therapeutic agents from their venoms and highlighting this abundant source of pharmacologically active molecules with biotechnological application.
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Affiliation(s)
- Gisele A Wiezel
- Department of BioMolecular Sciences, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Avenida Do Café s/n, Ribeirão Preto, SP, Brazil.
| | - Isadora S Oliveira
- Department of BioMolecular Sciences, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Avenida Do Café s/n, Ribeirão Preto, SP, Brazil; Department of Biotechnology and Biomedicine, Technical University of Denmark, Søtolfts Plads, Building 239 Room 006, Kongens Lyngby, 2800, Denmark.
| | - Mouzarllem B Reis
- Department of BioMolecular Sciences, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Avenida Do Café s/n, Ribeirão Preto, SP, Brazil.
| | - Isabela G Ferreira
- Department of BioMolecular Sciences, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Avenida Do Café s/n, Ribeirão Preto, SP, Brazil.
| | - Kalynka R Cordeiro
- Department of BioMolecular Sciences, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Avenida Do Café s/n, Ribeirão Preto, SP, Brazil.
| | - Karla C F Bordon
- Department of BioMolecular Sciences, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Avenida Do Café s/n, Ribeirão Preto, SP, Brazil.
| | - Eliane C Arantes
- Department of BioMolecular Sciences, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Avenida Do Café s/n, Ribeirão Preto, SP, Brazil.
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Li H, Niu J, Wang X, Niu M, Liao C. The Contribution of Antimicrobial Peptides to Immune Cell Function: A Review of Recent Advances. Pharmaceutics 2023; 15:2278. [PMID: 37765247 PMCID: PMC10535326 DOI: 10.3390/pharmaceutics15092278] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Revised: 08/27/2023] [Accepted: 09/02/2023] [Indexed: 09/29/2023] Open
Abstract
The development of novel antimicrobial agents to replace antibiotics has become urgent due to the emergence of multidrug-resistant microorganisms. Antimicrobial peptides (AMPs), widely distributed in all kingdoms of life, present strong antimicrobial activity against a variety of bacteria, fungi, parasites, and viruses. The potential of AMPs as new alternatives to antibiotics has gradually attracted considerable interest. In addition, AMPs exhibit strong anticancer potential as well as anti-inflammatory and immunomodulatory activity. Many studies have provided evidence that AMPs can recruit and activate immune cells, controlling inflammation. This review highlights the scientific literature focusing on evidence for the anti-inflammatory mechanisms of different AMPs in immune cells, including macrophages, monocytes, lymphocytes, mast cells, dendritic cells, neutrophils, and eosinophils. A variety of immunomodulatory characteristics, including the abilities to activate and differentiate immune cells, change the content and expression of inflammatory mediators, and regulate specific cellular functions and inflammation-related signaling pathways, are summarized and discussed in detail. This comprehensive review contributes to a better understanding of the role of AMPs in the regulation of the immune system and provides a reference for the use of AMPs as novel anti-inflammatory drugs for the treatment of various inflammatory diseases.
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Affiliation(s)
- Hanxiao Li
- Luoyang Key Laboratory of Live Carrier Biomaterial and Anmal Disease Prevention and Control, College of Animal Science and Technology, Henan University of Science and Technology, Luoyang 471023, China; (H.L.); (J.N.)
| | - Junhui Niu
- Luoyang Key Laboratory of Live Carrier Biomaterial and Anmal Disease Prevention and Control, College of Animal Science and Technology, Henan University of Science and Technology, Luoyang 471023, China; (H.L.); (J.N.)
| | - Xiaoli Wang
- College of Basic Medicine and Forensic Medicine, Henan University of Science and Technology, Luoyang 471023, China;
| | - Mingfu Niu
- College of Food and Bioengineering, Henan University of Science and Technology, Luoyang 471023, China;
| | - Chengshui Liao
- Luoyang Key Laboratory of Live Carrier Biomaterial and Anmal Disease Prevention and Control, College of Animal Science and Technology, Henan University of Science and Technology, Luoyang 471023, China; (H.L.); (J.N.)
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Simon KS, Coelho LC, Veloso PHDH, Melo-Silva CA, Morais JAV, Longo JPF, Figueiredo F, Viana L, Silva Pereira I, Amado VM, Mortari MR, Bocca AL. Innovative Pre-Clinical Data Using Peptides to Intervene in the Evolution of Pulmonary Fibrosis. Int J Mol Sci 2023; 24:11049. [PMID: 37446227 DOI: 10.3390/ijms241311049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2023] [Revised: 06/20/2023] [Accepted: 06/26/2023] [Indexed: 07/15/2023] Open
Abstract
Idiopathic pulmonary fibrosis (IPF) is a progressive, relentless, and deadly disease. Little is known about its pathogenetic mechanisms; therefore, developing efficient pharmacological therapies is challenging. This work aimed to apply a therapeutic alternative using immunomodulatory peptides in a chronic pulmonary fibrosis murine model. BALB/c mice were intratracheally instilled with bleomycin (BLM) and followed for 30 days. The mice were treated with the immune modulatory peptides ToAP3 and ToAP4 every three days, starting on the 5th day post-BLM instillation. ELISA, qPCR, morphology, and respiratory function analyses were performed. The treatment with both peptides delayed the inflammatory process observed in the non-treated group, which showed a fibrotic process with alterations in the production of collagen I, III, and IV that were associated with significant alterations in their ventilatory mechanics. The ToAP3 and ToAP4 treatments, by lung gene modulation patterns, indicated that distinct mechanisms determine the action of peptides. Both peptides controlled the experimental IPF, maintaining the tissue characteristics and standard function properties and regulating fibrotic-associated cytokine production. Data obtained in this work show that the immune response regulation by ToAP3 and ToAP4 can control the alterations that cause the fibrotic process after BLM instillation, making both peptides potential therapeutic alternatives and/or adjuvants for IPF.
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Affiliation(s)
- Karina Smidt Simon
- Department of Cellular Biology, Institute of Biological Sciences, University of Brasilia, Brasilia 70910-900, Brazil
| | - Luísa Coutinho Coelho
- Department of Cellular Biology, Institute of Biological Sciences, University of Brasilia, Brasilia 70910-900, Brazil
| | | | - Cesar Augusto Melo-Silva
- Laboratory of Respiratory Physiology, Medical School, University of Brasilia, Brasilia 70910-900, Brazil
- Hospital of the University of Brasilia, University of Brasilia, Brasilia 70910-900, Brazil
| | | | - João Paulo Figueiró Longo
- Department of Genetics and Morphology, Institute of Biological Sciences, University of Brasilia, Brasilia 70910-900, Brazil
| | - Florencio Figueiredo
- Laboratory of Pathology, Medical School, University of Brasilia, Brasilia 70910-900, Brazil
| | - Leonora Viana
- Laboratory of Pathology, Medical School, University of Brasilia, Brasilia 70910-900, Brazil
| | - Ildinete Silva Pereira
- Department of Cellular Biology, Institute of Biological Sciences, University of Brasilia, Brasilia 70910-900, Brazil
| | - Veronica Moreira Amado
- Laboratory of Respiratory Physiology, Medical School, University of Brasilia, Brasilia 70910-900, Brazil
- Hospital of the University of Brasilia, University of Brasilia, Brasilia 70910-900, Brazil
| | - Marcia Renata Mortari
- Department de Physiological Sciences, Institute of Biological Sciences, University of Brasilia, Brasilia 70910-900, Brazil
| | - Anamelia Lorenzetti Bocca
- Department of Cellular Biology, Institute of Biological Sciences, University of Brasilia, Brasilia 70910-900, Brazil
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Reis MB, Martins JG, Bordon KDCF, de Campos Fraga-Silva TF, de Lima Procópio RE, de Almeida BRR, Bonato VLD, Arantes EC. Pioneering in vitro characterization of macrophage response induced by scorpion venoms from the Brazilian Amazon. Toxicon 2023; 230:107171. [PMID: 37211059 DOI: 10.1016/j.toxicon.2023.107171] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Revised: 05/07/2023] [Accepted: 05/18/2023] [Indexed: 05/23/2023]
Abstract
There are several scorpion species of medical relevance around the world. Some of them are well characterized by their toxins and clinical outcomes. Brazilian Amazon has a great amount of these arthropods that have an impact in the scorpionism events specifically in this region of Brazil. Recently, several studies pointed out the immune system activation during scorpion envenouming as an important facet of scorpionism, inducing a sepsis-like state that culminates in clinical severity and death. In this work, we characterized the macrophage response of three species of clinical relevance in Brazilian Amazon: Tityus silvestris, T. metuendus and T. obscurus and one specie with no toxic effects to humans, Brotheas amazonicus. All the four species analyzed were able to induce pro- and anti-inflammatory cytokine production in a J774.1 murine macrophage model. This activation was dependent on TLR2/TLR4/MyD88 activation and abolished by TLRs antagonists. These results suggest that the venoms of the four species analyzed were able to induce macrophage response in agreement to the well-established immune activation by T. serrulatus venom. Our findings provide new insights into the clinical repercussions of scorpionism of uncharacterized species and point to new biotechnological applications of these venoms and possible supportive therapies in scorpionism.
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Affiliation(s)
- Mouzarllem Barros Reis
- Department of BioMolecular Sciences, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo (USP), Ribeirão Preto, SP, Brazil; School of Medicine, Centro Universitário Barão de Mauá (CBM), Ribeirão Preto, SP, Brazil
| | - Jonas Gama Martins
- Graduate Program in Genetics, Conservation and Evolutionary Biology (PPG GCBEv), National Institute for Amazon Research (INPA), Manaus, AM, Brazil
| | - Karla de Castro Figueiredo Bordon
- Department of BioMolecular Sciences, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo (USP), Ribeirão Preto, SP, Brazil
| | - Thais Fernanda de Campos Fraga-Silva
- Program of Basic and Applied Immunology, And Department of Biochemistry and Immunology, Ribeirão Preto Medical School, University of São Paulo (USP), Ribeirão Preto, SP, Brazil
| | - Rudi Emerson de Lima Procópio
- Graduate Program in Biotechnology and Natural Resources of Amazon, University of the State of Amazonas (UEA), Manaus, AM, Brazil
| | | | - Vânia Luiza Deperon Bonato
- Program of Basic and Applied Immunology, And Department of Biochemistry and Immunology, Ribeirão Preto Medical School, University of São Paulo (USP), Ribeirão Preto, SP, Brazil
| | - Eliane Candiani Arantes
- Department of BioMolecular Sciences, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo (USP), Ribeirão Preto, SP, Brazil.
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6
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Martins JG, de Castro Figueiredo Bordon K, Moreno-González JA, Almeida B, Pardal P, Lira A, Candido D, Arantes EC, Procópio R. On the noxious black Amazonian scorpion, Tityus obscurus (Scorpiones, Buthidae): Taxonomic notes, biology, medical importance and envenoming treatment. Toxicon 2023; 228:107125. [PMID: 37054995 DOI: 10.1016/j.toxicon.2023.107125] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Revised: 04/08/2023] [Accepted: 04/10/2023] [Indexed: 04/15/2023]
Abstract
Tityus obscurus has caused mild, moderate and severe accidents of medical relevance in the eastern Brazilian Amazon and French Guiana. Tityus obscurus has sexual dimorphism although males and females have uniform black coloration. In the Amazon, one of the habitats of this scorpion is seasonally flooded forests (igapós and várzeas). However, most stings occur in terra firme forest areas (non-flooded region), where most rural communities are located. Adults and children stung by T. obscurus may experience an "electric shock" sensation for more than 30 h after the sting. Our data shows that people inhabiting remote forest areas, including rubber tappers, fishermen and indigenous people, with no access to anti-scorpion serum, use parts of native plants, such as seeds and leaves, against pain and vomiting caused by scorpion stings. Although there is a technical effort to produce and distribute antivenoms in the Amazon, many cases of scorpion stings are geographically unpredictable in this region, due to the lack of detailed knowledge of the natural distribution of these animals. In this manuscript, we compile information on the natural history of T. obscurus and the impact of its envenoming on human health. We identify the natural sites that host this scorpion in the Amazon, in order to warn about the risk of human envenoming. The use of specific antivenom serum is the recommended treatment for accidents involving venomous animals. However, atypical symptoms not neutralized by the available commercial antivenom are reported in the Amazon region. Facing this scenario, we present some challenges to the study of venomous animals in the Amazon rainforest and possible experimental bottlenecks and perspectives for establishing a method aimed at producing an efficient antivenom.
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Affiliation(s)
- Jonas Gama Martins
- Pós-Graduação em Genética, Conservação e Biologia Evolutiva, Instituto Nacional de Pesquisas da Amazônia (INPA), Manaus, AM, Brazil.
| | - Karla de Castro Figueiredo Bordon
- Departamento de Ciências BioMoleculares, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo (USP), Ribeirão Preto, SP, Brazil
| | - Jairo A Moreno-González
- Division of Invertebrate Zoology, American Museum of Natural History New York, Central Park West at 79th Street, 10024-5192, New York City, NY, USA
| | - Bruno Almeida
- Instituto Federal de Educação, Ciência e Tecnologia do Pará, Campus Itaituba, PA, Brazil
| | - Pedro Pardal
- Laboratório de Entomologia Médica e Animais Peçonhentos, Núcleo de Medicina Tropical, Universidade Federal do Pará (UFPA), Belém, PA, Brazil
| | - André Lira
- Universidade Federal de Campina Grande, Centro de Educação e Saúde, Cuité, PB, Brazil
| | - Denise Candido
- Laboratório de Artrópodes, Instituto Butantan, São Paulo, Brazil
| | - Eliane Candiani Arantes
- Departamento de Ciências BioMoleculares, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo (USP), Ribeirão Preto, SP, Brazil
| | - Rudi Procópio
- Pós-Graduação em Biotecnologia e Recursos Naturais da Amazônia, Universidade do Estado do Amazonas (UEA), Manaus, AM, Brazil
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Rivera-Jiménez J, Berraquero-García C, Pérez-Gálvez R, García-Moreno PJ, Espejo-Carpio FJ, Guadix A, Guadix EM. Peptides and protein hydrolysates exhibiting anti-inflammatory activity: sources, structural features and modulation mechanisms. Food Funct 2022; 13:12510-12540. [PMID: 36420754 DOI: 10.1039/d2fo02223k] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Inflammation is the response of the immune system to harmful stimuli such as tissue injury, infection or toxic chemicals, which has the aim of eliminating irritants or pathogenic microorganisms and enhancing tissue repair. Uncontrolled long-lasting acute inflammation can gradually progress to chronic, causing a variety of chronic inflammatory diseases that are usually treated with anti-inflammatory drugs, but most of them are inadequate to control chronic responses and are also associated with adverse side effects. Thus, many efforts are being directed to develop alternative and more selective anti-inflammatory therapies from natural products. One main field of interest is the obtaining of bioactive peptides exhibiting anti-inflammatory activity from sustainable protein sources like edible insects or agroindustry and fishing by-products. This work highlighted the structure-activity relationship of anti-inflammatory peptides. Small peptides with molecular weight under 1 kDa and amino acid chain length between 2 to 20 residues are generally the most active because of the higher probability to be absorbed in the intestine and penetrate into cells when compared with the larger size peptides. The presence of hydrophobic (Val, Ile, Pro) and positively charged (His, Arg, Lys) amino acids is another common occurrence for anti-inflammatory peptides. Interestingly, a high percentage (77%) of these bioactive peptides can be found in alternative sustainable protein sources such as Tenebrio molitor or sunflower, apart from its original protein source. However, not all of these peptides with anti-inflammatory potential in vitro achieve good scores by the in silico bioactivity predictors studied. Therefore, it is essential to implement current bioinformatics tools, in order to complement in vitro experiments with prior prediction of potential bioactive peptides.
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Affiliation(s)
- Julia Rivera-Jiménez
- Department of Chemical Engineering, University of Granada, 18071, Granada, Spain.
| | | | - Raúl Pérez-Gálvez
- Department of Chemical Engineering, University of Granada, 18071, Granada, Spain.
| | | | | | - Antonio Guadix
- Department of Chemical Engineering, University of Granada, 18071, Granada, Spain.
| | - Emilia M Guadix
- Department of Chemical Engineering, University of Granada, 18071, Granada, Spain.
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Antimicrobial and Immunomodulatory Effects of Selected Chemokine and Antimicrobial Peptide on Cytokine Profile during Salmonella Typhimurium Infection in Mouse. Antibiotics (Basel) 2022; 11:antibiotics11050607. [PMID: 35625251 PMCID: PMC9137564 DOI: 10.3390/antibiotics11050607] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Revised: 04/25/2022] [Accepted: 04/27/2022] [Indexed: 02/05/2023] Open
Abstract
The antimicrobial and immunomodulatory capacities of the peptide Css54 and the chemokine MCP-1 were tested. The first, a peptide isolated from the venom of the scorpion Centruroides suffusus suffusus was synthesized chemically. In contrast, the second is a monocyte chemoattractant expressed as a recombinant protein in our lab. It was observed in vitro that Css54 inhibited the growth of Salmonella enterica serovar Typhimurium (6.2 µg/mL). At high concentrations, it was toxic to macrophages (25 µg/mL), activated macrophage phagocytosis (1.5 µg/mL), and bound Salmonella LPS (3 µg/mL). On the other hand, the recombinant MCP-1 neither inhibited the growth of Salmonella Typhimurium nor was it toxic to macrophages (up to 25 µg/mL), nor activated macrophage phagocytosis or bound Salmonella LPS (up to 3 µg/mL). Although it was observed in vivo in mice Balb/C that both Css54 and MCP-1 did not resolve the intraperitoneal infection by S. Typhimurium, Css54 decreased the expression of IL-6 and increased IL-10, IL-12p70, and TNF-α levels; meanwhile, MCP-1 decreased the expression of IFN-γ and increased IL-12p70 and TNF-α. It was also observed that the combination of both molecules Css54 and MCP-1 increased the expression of IL-10 and TNF-α.
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de Melo MMA, Oliveira VDS, de Queiroz Neto MF, Paiva WDS, Torres-Rêgo M, Silva SRB, Pontes DDL, Rocha HAO, de Souza MÂF, da Silva-Júnior AA, Fernandes-Pedrosa MDF. TanP: A Multifunctional Anionic Peptide From Tityus stigmurus Scorpion Venom. Front Mol Biosci 2022; 8:785316. [PMID: 35111812 PMCID: PMC8802776 DOI: 10.3389/fmolb.2021.785316] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Accepted: 12/13/2021] [Indexed: 12/30/2022] Open
Abstract
Anionic peptides of scorpions are molecules rich in aspartic and/or glutamic acid residues and correspond to a class of peptides without disulfide bonds that are still little explored. TanP is a linear anionic peptide (50 amino acid residues and net charge -20) present in the venom gland of the scorpion, Tityus stigmurus, with chelating properties for Cu2+ ion and immunomodulatory properties. The therapeutic application of chelating molecules is related to cases of acute or chronic intoxication by metals, neurodegenerative diseases, hematological diseases, healing of skin wounds, cardiovascular diseases, and cancer. In this approach, the chelating activity of TanP was evaluated in relation to new metal ions (Fe2+ and Zn2+) of biological importance, as well as its antioxidant, hemostatic, immunomodulatory, and healing potential, aiming to expand the biological and biotechnological potential of this peptide. TanP (25 µM) was able to form stable complexes with Fe2+ in a ratio of 1:5 (TanP: Fe2+). Theoretical results suggest that TanP can work as a sensor to identify and quantify Fe2+ ions. The fluorescence intensity of TanP (1.12 µM) decreased significantly after the addition of Fe2+, obtaining the highest ratio 1: 7.4 (TanP: Fe2+) that led to the lowest fluorescence intensity. For Zn2+, no relevant spectral change was noted. TanP (50 µM) showed a maximum of 3% of hemolytic activity, demonstrating biocompatibility, as well as exhibiting a 1,1-diphenyl-2-picrylhydrazyl radical-scavenging activity of above 70% at all the concentrations tested (1-25 μM), and 89.7% iron-chelating activity at 25 μM and 96% hydroxyl radical-scavenging activity at 73.6 μM. In addition, TanP (12.5 and 25 µM) revealed an anticoagulant effect, prolonging the clotting time in prothrombin time and activated partial thromboplastin time assays, with no fibrinogenolytic activity. TanP (12.5 and 25 µM) induced the release of TNF-α by murine macrophages, in the absence of lipopolysaccharides, with a concentration-dependent increase and also stimulated the migration of 3T3 cells in the in vitro healing assay. Thus, TanP revealed a multifunctional potential, being useful as a prototype for the development of new therapeutic and biotechnological agents.
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Affiliation(s)
- Menilla Maria Alves de Melo
- Laboratory of Pharmaceutical Technology and Biotechnology, Department of Pharmacy, Federal University of Rio Grande do Norte, Natal, Brazil
| | - Verônica da Silva Oliveira
- Laboratory of Coordination Chemistry and Polymers, Institute of Chemistry, Federal University of Rio Grande do Norte, Natal, Brazil
| | - Moacir Fernandes de Queiroz Neto
- Laboratory of Natural Polymer Biotechnology, Department of Biochemistry, Federal University of Rio Grande do Norte, Natal, Brazil
| | - Weslley de Souza Paiva
- Laboratory of Natural Polymer Biotechnology, Department of Biochemistry, Federal University of Rio Grande do Norte, Natal, Brazil
| | - Manoela Torres-Rêgo
- Laboratory of Pharmaceutical Technology and Biotechnology, Department of Pharmacy, Federal University of Rio Grande do Norte, Natal, Brazil
- Laboratory of Synthesis and Isolation of Organic Compounds, Chemistry Institute, Federal University of Rio Grande do Norte, Natal, Brazil
| | | | - Daniel de Lima Pontes
- Laboratory of Coordination Chemistry and Polymers, Institute of Chemistry, Federal University of Rio Grande do Norte, Natal, Brazil
| | - Hugo Alexandre Oliveira Rocha
- Laboratory of Natural Polymer Biotechnology, Department of Biochemistry, Federal University of Rio Grande do Norte, Natal, Brazil
| | | | - Arnóbio Antônio da Silva-Júnior
- Laboratory of Pharmaceutical Technology and Biotechnology, Department of Pharmacy, Federal University of Rio Grande do Norte, Natal, Brazil
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Borges A, Graham MR, Cândido DM, Pardal PPO. Amazonian scorpions and scorpionism: integrating toxinological, clinical, and phylogenetic data to combat a human health crisis in the world's most diverse rainfores. J Venom Anim Toxins Incl Trop Dis 2021; 27:e20210028. [PMID: 34887908 PMCID: PMC8629433 DOI: 10.1590/1678-9199-jvatitd-2021-0028] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Accepted: 05/21/2021] [Indexed: 11/21/2022] Open
Abstract
Venom from Amazonian scorpions of the genus Tityus contains components capable of eliciting a distinct clinical, mostly neurological, syndrome. This contrasts with the mainly autonomic manifestations produced after envenomation by congeneric southern and northern South American species. Herein, we summarize Pan-Amazonian scorpionism by synthesizing available toxinological, clinical, and molecular data gathered from all affected areas in Amazonia, including Brazil, Ecuador, Colombia, Peru, Venezuela, and French Guiana. We searched multiple databases, as well as our own records, for reports of scorpion envenomations in Amazonia by confirmed Tityus spp., and compared the clinical manifestations. To help uncover clinical and venom relationships among problematic species, we explored phylogenetic relationships with a rate-calibrated analysis of mitochondrial COI data from available species. The possible existence of diversity gradients for venom toxic and immunogenic components despite the predicted strong phylogenetic association among species is underscored by discussed clinical and toxinological findings. A multicentric effort, involving all nations affected by this neglected disease, is urgently needed to offer alternatives for treating and understanding this pathology, including the preparation of neutralizing antibodies with a broad range of efficacy.
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Affiliation(s)
- Adolfo Borges
- Center for the Development of Scientific Research (CEDIC), Asunción,
Paraguay
- Laboratory of Molecular Biology of Toxins and Receptors, Institute
of Experimental Medicine, School of Medicine, Central University of Venezuela,
Caracas, Venezuela
| | - Matthew R. Graham
- Department of Biology, Eastern Connecticut State University,
Willimantic, CT, United States
| | | | - Pedro P. O. Pardal
- Laboratory of Medical Entomology and Venomous Animals, Center of
Tropical Medicine, Federal University of Pará (UFPA), Belém, PA, Brazil
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dos Santos AT, Cruz GS, Baptista GR. Anti-inflammatory activities of arthropod peptides: a systematic review. J Venom Anim Toxins Incl Trop Dis 2021; 27:e20200152. [PMID: 34795699 PMCID: PMC8564866 DOI: 10.1590/1678-9199-jvatitd-2020-0152] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Accepted: 04/09/2021] [Indexed: 01/21/2023] Open
Abstract
Peptides obtained from different animal species have gained importance recently due to research that aims to develop biopharmaceuticals with therapeutic potential. In this sense, arthropod venoms have drawn attention, not only because of their toxicity but mainly for the search for molecules with various bioactivities, including anti-inflammatory activity. The purpose of the present study is to gather data available in the literature on new peptides derived from arthropod species with anti-inflammatory potential. This systematic review followed the Preferred Reporting Items for Systematic Reviews and Meta-Analysis (PRISMA) guidelines. Studies on peptides from arthropods that display anti-inflammatory activity were retrieved from PubMed, Scopus, Web of Science, and Google Scholar databases. The bibliographic research started in 2020 and searched papers without a limit on the publication date. The articles were analyzed using a search string containing the following terms: "Peptides" and "Anti-inflammatory", in combinations such as "Ant", "Bee", "Wasp", "Crab", "Shrimp", "Scorpion", "Spider", "Tick" and "Centipedes". Besides, a search was carried out in the databases with the terms: "Peptides", "Antitumor", or "Anticancer", and "Arthropods". Articles that met the inclusion and exclusion criteria totalized 171, and these served for data extraction. Additionally, the present review included anti-inflammatory peptides with anticancer properties. Peptides with confirmed anti-inflammatory activity were from insects (ants, bees, and wasps), crustaceans (shrimp and crabs), arachnids (scorpions, spiders, and ticks), and centipedes. These arthropod peptides act mainly by decreasing pro-inflammatory cytokines as analyzed in vitro and in vivo. Some showed significant antineoplastic activity, working in essential cellular pathways against malignant neoplasms.
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Affiliation(s)
- Ariane Teixeira dos Santos
- Graduate Program in Pharmaceutical Sciences, School of Pharmacy, Dentistry and Nursing, Federal University of Ceará (UFC), Fortaleza, CE, Brazil
| | - Gabriela Silva Cruz
- Graduate Program in Pharmaceutical Sciences, School of Pharmacy, Dentistry and Nursing, Federal University of Ceará (UFC), Fortaleza, CE, Brazil
| | - Gandhi Rádis Baptista
- Graduate Program in Pharmaceutical Sciences, School of Pharmacy, Dentistry and Nursing, Federal University of Ceará (UFC), Fortaleza, CE, Brazil
- Laboratory of Biochemistry and Biotechnology, Institute for Marine Sciences, Federal University of Ceará (UFC), Fortaleza, CE, Brazil
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