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Antimicrobial Activity Developed by Scorpion Venoms and Its Peptide Component. Toxins (Basel) 2022; 14:toxins14110740. [PMID: 36355990 PMCID: PMC9693228 DOI: 10.3390/toxins14110740] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Revised: 09/28/2022] [Accepted: 10/23/2022] [Indexed: 01/26/2023] Open
Abstract
Microbial infections represent a problem of great importance at the public health level, with a high rate of morbidity-mortality worldwide. However, treating the different diseases generated by microorganisms requires a gradual increase in acquired resistance when applying or using them against various antibiotic therapies. Resistance is caused by various molecular mechanisms of microorganisms, thus reducing their effectiveness. Consequently, there is a need to search for new opportunities through natural sources with antimicrobial activity. One alternative is using peptides present in different scorpion venoms, specifically from the Buthidae family. Different peptides with biological activity in microorganisms have been characterized as preventing their growth or inhibiting their replication. Therefore, they represent an alternative to be used in the design and development of new-generation antimicrobial drugs in different types of microorganisms, such as bacteria, fungi, viruses, and parasites. Essential aspects for its disclosure, as shown in this review, are the studies carried out on different types of peptides in scorpion venoms with activity against pathogenic microorganisms, highlighting their high therapeutic potential.
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Moussaoui H, Ladjel-Mendil A, Laraba-Djebari F. Neuromodulation of neurological disorders in a demyelination model: effect of a potassium channel inhibitor from Androctonus scorpion venom. TOXIN REV 2022. [DOI: 10.1080/15569543.2021.2022698] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Hadjila Moussaoui
- Faculty of Biological Sciences, USTHB, Laboratory of Cellular and Molecular Biology, Algiers, Algeria
| | - Amina Ladjel-Mendil
- Faculty of Biological Sciences, USTHB, Laboratory of Cellular and Molecular Biology, Algiers, Algeria
| | - Fatima Laraba-Djebari
- Faculty of Biological Sciences, USTHB, Laboratory of Cellular and Molecular Biology, Algiers, Algeria
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Ryan RYM, Seymour J, Loukas A, Lopez JA, Ikonomopoulou MP, Miles JJ. Immunological Responses to Envenomation. Front Immunol 2021; 12:661082. [PMID: 34040609 PMCID: PMC8141633 DOI: 10.3389/fimmu.2021.661082] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2021] [Accepted: 04/01/2021] [Indexed: 01/05/2023] Open
Abstract
Venoms are complex mixtures of toxic compounds delivered by bite or sting. In humans, the consequences of envenomation range from self-limiting to lethal. Critical host defence against envenomation comprises innate and adaptive immune strategies targeted towards venom detection, neutralisation, detoxification, and symptom resolution. In some instances, venoms mediate immune dysregulation that contributes to symptom severity. This review details the involvement of immune cell subtypes and mediators, particularly of the dermis, in host resistance and venom-induced immunopathology. We further discuss established venom-associated immunopathology, including allergy and systemic inflammation, and investigate Irukandji syndrome as a potential systemic inflammatory response. Finally, this review characterises venom-derived compounds as a source of immune modulating drugs for treatment of disease.
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Affiliation(s)
- Rachael Y. M. Ryan
- Division of Tropical Health and Medicine, Australian Institute of Tropical Health and Medicine, James Cook University, Cairns, QLD, Australia
- Centre for Molecular Therapeutics, Australian Institute of Tropical Health & Medicine, James Cook University, Cairns, QLD, Australia
- School of Environment and Sciences, Griffith University, Nathan, QLD, Australia
| | - Jamie Seymour
- Division of Tropical Health and Medicine, Australian Institute of Tropical Health and Medicine, James Cook University, Cairns, QLD, Australia
- Centre for Molecular Therapeutics, Australian Institute of Tropical Health & Medicine, James Cook University, Cairns, QLD, Australia
| | - Alex Loukas
- Division of Tropical Health and Medicine, Australian Institute of Tropical Health and Medicine, James Cook University, Cairns, QLD, Australia
- Centre for Molecular Therapeutics, Australian Institute of Tropical Health & Medicine, James Cook University, Cairns, QLD, Australia
| | - J. Alejandro Lopez
- School of Environment and Sciences, Griffith University, Nathan, QLD, Australia
- QIMR Berghofer Medical Research Institute, The University of Queensland, Herston, QLD, Australia
| | - Maria P. Ikonomopoulou
- Translational Venomics Group, Madrid Institute for Advanced Studies (IMDEA) in Food, CEI UAM+CSIC, Madrid, Spain
- Institute for Molecular Bioscience, University of Queensland, Brisbane, QLD, Australia
| | - John J. Miles
- Division of Tropical Health and Medicine, Australian Institute of Tropical Health and Medicine, James Cook University, Cairns, QLD, Australia
- Centre for Molecular Therapeutics, Australian Institute of Tropical Health & Medicine, James Cook University, Cairns, QLD, Australia
- Centre for Tropical Bioinformatics and Molecular Biology, James Cook University, Cairns, QLD, Australia
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Ahras-Sifi N, Laraba-Djebari F. Immunomodulatory and protective effects of interleukin-4 on the neuropathological alterations induced by a potassium channel blocker. J Neuroimmunol 2021; 355:577549. [PMID: 33839521 DOI: 10.1016/j.jneuroim.2021.577549] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Revised: 03/14/2021] [Accepted: 03/14/2021] [Indexed: 11/24/2022]
Abstract
The pathophysiology of neurological diseases related to potassium-channel dysfunction such as epilepsy is increasingly linked to immune system modulation. However, there are limited reports of which interleukin-4 (IL-4) can act on the neuroinflammatory response after seizure. Hence, we evaluated the effect of IL-4 in murine model of neuroexcitotoxcity using kaliotoxin (KTx), a potassium-channel blocker. Results showed that IL-4 treatment can significantly reduce the neuronal death induced by KTx. Probably by decreasing mitochondria swelling, reversing oxidative damage and enhancing Bcl-2 expression. Furthermore, IL-4 treatment significantly reduced TNF-α expression and enhanced GFAP and IL-10 expressions in the brain. IL-4 can be neuroprotective in epileptogenesis.
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Affiliation(s)
- Nesrine Ahras-Sifi
- USTHB, Faculty of Biological Sciences, Laboratory of Cellular and Molecular Biology, BP32, El Alia, Bab Ezzouar, 16111 Algiers, Algeria
| | - Fatima Laraba-Djebari
- USTHB, Faculty of Biological Sciences, Laboratory of Cellular and Molecular Biology, BP32, El Alia, Bab Ezzouar, 16111 Algiers, Algeria.
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Zerouti K, Khemili D, Laraba-Djebari F, Hammoudi-Triki D. Nontoxic fraction of scorpion venom reduces bacterial growth and inflammatory response in a mouse model of infection. TOXIN REV 2019. [DOI: 10.1080/15569543.2019.1614064] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Khedidja Zerouti
- Faculty of Biological Sciences, Laboratory of Cellular and Molecular Biology, USTHB, Algiers, Algeria
| | - Dalila Khemili
- Faculty of Biological Sciences, Laboratory of Cellular and Molecular Biology, USTHB, Algiers, Algeria
| | - Fatima Laraba-Djebari
- Faculty of Biological Sciences, Laboratory of Cellular and Molecular Biology, USTHB, Algiers, Algeria
| | - Djelila Hammoudi-Triki
- Faculty of Biological Sciences, Laboratory of Cellular and Molecular Biology, USTHB, Algiers, Algeria
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