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Alberto-Silva C, Pantaleão HQ, da Silva BR, da Silva JCA, Echeverry MB. Activation of M1 muscarinic acetylcholine receptors by proline-rich oligopeptide 7a (<EDGPIPP) from Bothrops jararaca snake venom rescues oxidative stress-induced neurotoxicity in PC12 cells. J Venom Anim Toxins Incl Trop Dis 2024; 30:e20230043. [PMID: 38362565 PMCID: PMC10868729 DOI: 10.1590/1678-9199-jvatitd-2023-0043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2023] [Accepted: 12/22/2023] [Indexed: 02/17/2024] Open
Abstract
Background The bioactive peptides derived from snake venoms of the Viperidae family species have been promising as therapeutic candidates for neuroprotection due to their ability to prevent neuronal cell loss, injury, and death. Therefore, this study aimed to evaluate the cytoprotective effects of a synthetic proline-rich oligopeptide 7a (PRO-7a; Methods Both cells were pre-treated for four hours with different concentrations of PRO-7a, submitted to H2O2-induced damage for 20 h, and then the oxidative stress markers were analyzed. Also, two independent neuroprotective mechanisms were investigated: a) L-arginine metabolite generation via argininosuccinate synthetase (AsS) activity regulation to produce agmatine or polyamines with neuroprotective properties; b) M1 mAChR receptor subtype activation pathway to reduce oxidative stress and neuron injury. Results PRO-7a was not cytoprotective in C6 cells, but potentiated the H2O2-induced damage to cell integrity at a concentration lower than 0.38 μM. However, PRO-7a at 1.56 µM, on the other hand, modified H2O2-induced toxicity in PC12 cells by restoring cell integrity, mitochondrial metabolism, ROS generation, and arginase indirect activity. The α-Methyl-DL-aspartic acid (MDLA) and L-NΩ-Nitroarginine methyl ester (L-Name), specific inhibitors of AsS and nitric oxide synthase (NOS), which catalyzes the synthesis of polyamines and NO from L-arginine, did not suppress PRO-7a-mediated cytoprotection against oxidative stress. It suggested that its mechanism is independent of the production of L-arginine metabolites with neuroprotective properties by increased AsS activity. On the other hand, the neuroprotective effect of PRO-7a was blocked in the presence of dicyclomine hydrochloride (DCH), an M1 mAChR antagonist. Conclusions For the first time, this work provides evidence that PRO-7a-induced neuroprotection seems to be mediated through M1 mAChR activation in PC12 cells, which reduces oxidative stress independently of AsS activity and L-arginine bioavailability.
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Affiliation(s)
- Carlos Alberto-Silva
- Natural and Humanities Sciences Center (CCNH), Experimental
Morphophysiology Laboratory, Federal University of ABC (UFABC), São Bernardo do
Campo, SP, Brazil
| | - Halyne Queiroz Pantaleão
- Natural and Humanities Sciences Center (CCNH), Experimental
Morphophysiology Laboratory, Federal University of ABC (UFABC), São Bernardo do
Campo, SP, Brazil
| | - Brenda Rufino da Silva
- Natural and Humanities Sciences Center (CCNH), Experimental
Morphophysiology Laboratory, Federal University of ABC (UFABC), São Bernardo do
Campo, SP, Brazil
| | - Julio Cezar Araujo da Silva
- Natural and Humanities Sciences Center (CCNH), Experimental
Morphophysiology Laboratory, Federal University of ABC (UFABC), São Bernardo do
Campo, SP, Brazil
| | - Marcela Bermudez Echeverry
- Center for Mathematics, Computation and Cognition (CMCC), Federal
University of ABC, São Bernardo do Campo, SP, Brazil
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Díaz-Gómez JL, Martín-Estal I, Rivera-Aboytes E, Gaxiola-Muñíz RA, Puente-Garza CA, García-Lara S, Castorena-Torres F. Biomedical applications of synthetic peptides derived from venom of animal origin: A systematic review. Biomed Pharmacother 2024; 170:116015. [PMID: 38113629 DOI: 10.1016/j.biopha.2023.116015] [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: 10/14/2023] [Revised: 12/11/2023] [Accepted: 12/13/2023] [Indexed: 12/21/2023] Open
Abstract
Development of therapeutic agents that have fewer adverse effects and have higher efficacy for diseases, such as cancer, metabolic disorders, neurological diseases, infections, cardiovascular diseases, and respiratory diseases, are required. Recent studies have focused on identifying novel sources for pharmaceutical molecules to develop therapies against these diseases. Among the sources for potentially new therapies, animal venom-derived molecules have generated much interest. Various animal venom-derived proteins and peptides have been isolated, identified, synthesized, and tested to develop drugs. Venom-derived peptides have several biomedical properties, such as proapoptotic, cell migration, and autophagy regulation activities in cancer cell models; induction of vasodilation by nitric oxide and regulation of angiotensin II; modification of insulin response by controlling calcium and potassium channels; regulation of pain receptor activity; modulation of immune cell activity; alteration of motor neuron activity; degradation or inhibition of β-amyloid plaque formation; antibacterial, antifungal, antiviral, and antiprotozoal activities; increase in sperm motility and potentiation of erectile function; reduction of intraocular pressure; anticoagulation, fibrinolytic, and antithrombotic activities; etc. This systematic review compiles these biomedical properties and potential biomedical applications of synthesized animal venom-derived peptides reported in the latest research. In addition, the limitations and areas of opportunity in this research field are discussed so that new studies can be developed based on the data presented.
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Affiliation(s)
- Jorge L Díaz-Gómez
- Tecnologico de Monterrey, Escuela de Medicina y Ciencias de la Salud, Ave. Morones Prieto 3000, Monterrey 64710, N.L., Mexico
| | - Irene Martín-Estal
- Tecnologico de Monterrey, Escuela de Medicina y Ciencias de la Salud, Ave. Morones Prieto 3000, Monterrey 64710, N.L., Mexico
| | - Elizabeth Rivera-Aboytes
- Tecnologico de Monterrey, Escuela de Ingenieria y Ciencias, Ave. Eugenio Garza Sada 2501, Monterrey 64849, N.L., Mexico
| | - Ramón Alonso Gaxiola-Muñíz
- Tecnologico de Monterrey, Escuela de Medicina y Ciencias de la Salud, Ave. Morones Prieto 3000, Monterrey 64710, N.L., Mexico
| | - César A Puente-Garza
- Tecnologico de Monterrey, Escuela de Ingenieria y Ciencias, Ave. Eugenio Garza Sada 2501, Monterrey 64849, N.L., Mexico
| | - Silverio García-Lara
- Tecnologico de Monterrey, Escuela de Ingenieria y Ciencias, Ave. Eugenio Garza Sada 2501, Monterrey 64849, N.L., Mexico
| | - Fabiola Castorena-Torres
- Tecnologico de Monterrey, Escuela de Medicina y Ciencias de la Salud, Ave. Morones Prieto 3000, Monterrey 64710, N.L., Mexico.
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Pantaleão HQ, Araujo da Silva JC, Rufino da Silva B, Echeverry MB, Alberto-Silva C. Peptide fraction from B. jararaca snake venom protects against oxidative stress-induced changes in neuronal PC12 cell but not in astrocyte-like C6 cell. Toxicon 2023; 231:107178. [PMID: 37302421 DOI: 10.1016/j.toxicon.2023.107178] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 05/24/2023] [Accepted: 06/04/2023] [Indexed: 06/13/2023]
Abstract
Venom-derived proteins and peptides have prevented neuronal cell loss, damage, and death in the study of neurodegenerative disorders. The cytoprotective effects of the peptide fraction (PF) from Bothrops jararaca snake venom were evaluated against oxidative stress changes in neuronal PC12 cells and astrocyte-like C6 cells. PC12 and C6 cells were pre-treated for 4 h with different concentrations of PF, and then H2O2 was added (0.5 mM in PC12 cells; 0.4 mM in C6 cells) and incubated for 20 h more. In PC12 cells, PF at 0.78 μg mL-1 increased viability (113.6 ± 6.3%) and metabolism (96.3 ± 10.3%) cell against H2O2-induced neurotoxicity (75.6 ± 5.8%; 66.5 ± 3.3%, respectively), reducing oxidative stress markers such as ROS generation, NO production, and arginase indirect activity through urea synthesis. Despite that, PF showed no cytoprotective effects in C6 cells, but potentiated the H2O2-induced damage at a concentration lower than 0.07 μg mL-1. Furthermore, the role of metabolites derived from L-arginine metabolism was verified in PF-mediated neuroprotection in PC12 cells, using specific inhibitors of two of the key enzymes in the L-arginine metabolic pathway: the α-Methyl-DL-aspartic acid (MDLA) to argininosuccinate synthetase (AsS), responsible for the recycling of L-citrulline to L-arginine; and, L-NΩ-Nitroarginine methyl ester (L-Name) to nitric oxide synthase (NOS), which catalyzes the synthesis of NO from L-arginine. The inhibition of AsS and NOS suppressed PF-mediated cytoprotection against oxidative stress, indicating that its mechanism is dependent on the production pathway of L-arginine metabolites such as NO and, more importantly, polyamines from ornithine metabolism, which are involved in the neuroprotection mechanism described in the literature. Overall, this work provides novel opportunities for evaluating whether the neuroprotective properties of PF shown in particular neuronal cells are sustained and for exploring potential drug development pathways for the treatment of neurodegenerative diseases.
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Affiliation(s)
- Halyne Queiroz Pantaleão
- Natural and Humanities Sciences Center (CCNH), Experimental Morphophysiology Laboratory Federal University of ABC (UFABC), São Bernardo Do Campo, 09606-070, SP, Brazil
| | - Julio Cezar Araujo da Silva
- Natural and Humanities Sciences Center (CCNH), Experimental Morphophysiology Laboratory Federal University of ABC (UFABC), São Bernardo Do Campo, 09606-070, SP, Brazil
| | - Brenda Rufino da Silva
- Natural and Humanities Sciences Center (CCNH), Experimental Morphophysiology Laboratory Federal University of ABC (UFABC), São Bernardo Do Campo, 09606-070, SP, Brazil
| | - Marcela Bermudez Echeverry
- Center for Mathematics, Computation and Cognition (CMCC), UFABC, São Bernardo Do Campo, 09606-070, SP, Brazil
| | - Carlos Alberto-Silva
- Natural and Humanities Sciences Center (CCNH), Experimental Morphophysiology Laboratory Federal University of ABC (UFABC), São Bernardo Do Campo, 09606-070, SP, Brazil.
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Bernardes CP, Santos NAG, Costa TR, Menaldo DL, Sisti FM, Amstalden MK, Ribeiro DL, Antunes LMG, Sampaio SV, Santos AC. Effects of C-Terminal-Ethyl-Esterification in a Snake-Venom-Based Peptide Against the Neurotoxicity of Acrolein in PC12 Cells. Int J Pept Res Ther 2023. [DOI: 10.1007/s10989-023-10517-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/05/2023]
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Interferon-beta induces major histocompatibility complex of class I (MHC-I) expression and a proinflammatory phenotype in cultivated human astrocytes. Differentiation 2022; 128:43-56. [DOI: 10.1016/j.diff.2022.10.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2022] [Revised: 10/10/2022] [Accepted: 10/11/2022] [Indexed: 11/21/2022]
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Venom peptides in cancer therapy: An updated review on cellular and molecular aspects. Pharmacol Res 2020; 164:105327. [PMID: 33276098 DOI: 10.1016/j.phrs.2020.105327] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Revised: 11/25/2020] [Accepted: 11/27/2020] [Indexed: 02/07/2023]
Abstract
Based on the high incidence and mortality rates of cancer, its therapy remains one of the most vital challenges in the field of medicine. Consequently, enhancing the efficacy of currently applied treatments and finding novel strategies are of great importance for cancer treatment. Venoms are important sources of a variety of bioactive compounds including salts, small molecules, macromolecules, proteins, and peptides that are defined as toxins. They can exhibit different pharmacological effects, and in recent years, their anti-tumor activities have gained significant attention. Several different compounds are responsible for the anti-tumor activity of venoms, and peptides are one of them. In the present review, we discuss the possible anti-tumor activities of venom peptides by highlighting molecular pathways and mechanisms through which these molecules can act effectively. Venom peptides can induce cell death in cancer cells and can substantially enhance the efficacy of chemotherapy and radiotherapy. Also, the venom peptides can mitigate the migration of cancer cells via suppression of angiogenesis and epithelial-to-mesenchymal transition. Notably, nanoparticles have been applied in enhancing the bioavailability of venom peptides and providing targeted delivery, thereby leading to their elevated anti-tumor activity and potential application for cancer therapy.
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Sadžak A, Mravljak J, Maltar-Strmečki N, Arsov Z, Baranović G, Erceg I, Kriechbaum M, Strasser V, Přibyl J, Šegota S. The Structural Integrity of the Model Lipid Membrane during Induced Lipid Peroxidation: The Role of Flavonols in the Inhibition of Lipid Peroxidation. Antioxidants (Basel) 2020; 9:E430. [PMID: 32429305 PMCID: PMC7278707 DOI: 10.3390/antiox9050430] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Revised: 04/29/2020] [Accepted: 05/13/2020] [Indexed: 01/06/2023] Open
Abstract
The structural integrity, elasticity, and fluidity of lipid membranes are critical for cellular activities such as communication between cells, exocytosis, and endocytosis. Unsaturated lipids, the main components of biological membranes, are particularly susceptible to the oxidative attack of reactive oxygen species. The peroxidation of unsaturated lipids, in our case 1,2-dioleoyl-sn-glycero-3-phosphocholine (DOPC), induces the structural reorganization of the membrane. We have employed a multi-technique approach to analyze typical properties of lipid bilayers, i.e., roughness, thickness, elasticity, and fluidity. We compared the alteration of the membrane properties upon initiated lipid peroxidation and examined the ability of flavonols, namely quercetin (QUE), myricetin (MCE), and myricitrin (MCI) at different molar fractions, to inhibit this change. Using Mass Spectrometry (MS) and Fourier Transform Infrared Spectroscopy (FTIR), we identified various carbonyl products and examined the extent of the reaction. From Atomic Force Microscopy (AFM), Force Spectroscopy (FS), Small Angle X-Ray Scattering (SAXS), and Electron Paramagnetic Resonance (EPR) experiments, we concluded that the membranes with inserted flavonols exhibit resistance against the structural changes induced by the oxidative attack, which is a finding with multiple biological implications. Our approach reveals the interplay between the flavonol molecular structure and the crucial membrane properties under oxidative attack and provides insight into the pathophysiology of cellular oxidative injury.
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Affiliation(s)
- Anja Sadžak
- Ruđer Bošković Institute, 10000 Zagreb, Croatia; (A.S.); (N.M.-S.); (G.B.); (I.E.); (V.S.)
| | - Janez Mravljak
- Faculty of Pharmacy, University of Ljubljana, 1000 Ljubljana, Slovenia;
| | - Nadica Maltar-Strmečki
- Ruđer Bošković Institute, 10000 Zagreb, Croatia; (A.S.); (N.M.-S.); (G.B.); (I.E.); (V.S.)
| | - Zoran Arsov
- Jožef Stefan Institute, 1000 Ljubljana, Slovenia;
| | - Goran Baranović
- Ruđer Bošković Institute, 10000 Zagreb, Croatia; (A.S.); (N.M.-S.); (G.B.); (I.E.); (V.S.)
| | - Ina Erceg
- Ruđer Bošković Institute, 10000 Zagreb, Croatia; (A.S.); (N.M.-S.); (G.B.); (I.E.); (V.S.)
| | - Manfred Kriechbaum
- Institute of Inorganic Chemistry, Graz University of Technology, 8010 Graz, Austria;
| | - Vida Strasser
- Ruđer Bošković Institute, 10000 Zagreb, Croatia; (A.S.); (N.M.-S.); (G.B.); (I.E.); (V.S.)
| | - Jan Přibyl
- CEITEC, Masaryk University, 62500 Brno, Czech Republic;
| | - Suzana Šegota
- Ruđer Bošković Institute, 10000 Zagreb, Croatia; (A.S.); (N.M.-S.); (G.B.); (I.E.); (V.S.)
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Yildizbayrak N, Orta-Yilmaz B, Aydin Y, Erkan M. Acrolein exerts a genotoxic effect in the Leydig cells by stimulating DNA damage-induced apoptosis. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:15869-15877. [PMID: 32090303 DOI: 10.1007/s11356-020-08124-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/03/2019] [Accepted: 02/17/2020] [Indexed: 06/10/2023]
Abstract
Acrolein is a highly reactive unsaturated organic molecule and has harmful effects on human health. Acrolein is generally formed in heat-treated foods above 150 °C, as well as in the combustion of gasoline, wood industry, plastic waste, and tobacco smoke. In this study, the effects of acrolein on genotoxicity in Leydig cells and the underlying mechanisms are aimed to be clarified. In addition, the toxicogenomic profile of acrolein was studied in terms of both apoptosis and steroidogenesis. Real-time PCR and ELISA tests were used to analyses of steroidogenic endpoints. Apoptosis was evaluated with double fluorescence staining and gene expression analyses of related genes. Comet assay was used to determine the genotoxicity. The results showed that acrolein caused concentration-dependent inhibition on cell viability at 8 μM and above concentrations, decreased testosterone production at 13.6 and 19.7 μM concentrations, and suppressed expression levels of genes that play an important role in steroidogenic pathway. Furthermore, acrolein downregulated expression of anti-apoptotic Bcl2 gene and upregulated expression of pro-apoptotic Bax, Casp3, and Trp53 gene after 24-h treatment in 7.4, 13.6, and 19.7 μM acrolein-exposed Leydig cells. The results of comet assay showed that acrolein significantly induced tail length, tail % DNA, and Olive tail moment. Overall, it was concluded that acrolein-induced cell damage in Leydig cells may be due to formation of genetic damage in steroidogenesis and apoptosis.
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Affiliation(s)
- Nebahat Yildizbayrak
- Department of Biology, Faculty of Science, Istanbul University, Vezneciler, 34134, Istanbul, Turkey.
| | - Banu Orta-Yilmaz
- Department of Biology, Faculty of Science, Istanbul University, Vezneciler, 34134, Istanbul, Turkey
| | - Yasemin Aydin
- Department of Biology, Faculty of Science, Istanbul University, Vezneciler, 34134, Istanbul, Turkey
| | - Melike Erkan
- Department of Biology, Faculty of Science, Istanbul University, Vezneciler, 34134, Istanbul, Turkey
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