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Machado Marinho AC, Chapeaurouge A, Dutra BM, Quintela BCSF, Pereira SS, Fernandes CFC. The role of venom proteomics and single-domain antibodies for antivenoms: Progress in snake envenoming treatment. Drug Discov Today 2024; 29:103967. [PMID: 38555033 DOI: 10.1016/j.drudis.2024.103967] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Revised: 03/14/2024] [Accepted: 03/26/2024] [Indexed: 04/02/2024]
Abstract
Single-domain antibodies (sdAbs) hold promise for developing new biopharmaceuticals to treat neglected tropical diseases (NTDs), including snakebites, which are severe and occur frequently. In addition, limitations of conventional snakebite treatments, especially in terms of local action, and the global antivenom crisis incentivize the use of this biotechnological tool to design next-generation snakebite antivenoms. Conventional antivenoms for snakebite treatment are usually composed of immunoglobulin G or F(ab')2 fragments derived from the plasma of immunized animals. sdAbs, the smallest antigen-binding fragments, are derived from the variable domains of camelid heavy-chain antibodies. sdAbs may have some advantages over conventional antivenoms for local toxicity, such as better penetration into tissues due to their small size, and high solubility and affinity for venom antigens due to their unique antigen-binding loops and ability to access cryptic epitopes. We present an overview of current antivenom therapy in the context of sdAb development for toxin neutralization. Furthermore, strategies are presented for identifying snake venom's major toxins as well as for developing antisnake toxin sdAbs by employing proteomic tools for toxin neutralization.
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Affiliation(s)
- Anna Carolina Machado Marinho
- Laboratório Multiusuário de Pesquisa e Desenvolvimento, Fundação Oswaldo Cruz Ceará, FIOCRUZ CE, Eusébio-CE, Brazil; Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade Federal do Ceará, UFC, Fortaleza, Brazil
| | - Alexander Chapeaurouge
- Laboratório Multiusuário de Pesquisa e Desenvolvimento, Fundação Oswaldo Cruz Ceará, FIOCRUZ CE, Eusébio-CE, Brazil
| | - Brunheld Maia Dutra
- Laboratório Multiusuário de Pesquisa e Desenvolvimento, Fundação Oswaldo Cruz Ceará, FIOCRUZ CE, Eusébio-CE, Brazil
| | - Barbara Cibelle S F Quintela
- Laboratório Multiusuário de Pesquisa e Desenvolvimento, Fundação Oswaldo Cruz Ceará, FIOCRUZ CE, Eusébio-CE, Brazil
| | - Soraya S Pereira
- Laboratório de Engenharia de Anticorpos, Fundação Oswaldo Cruz Rondônia, FIOCRUZ RO, Porto Velho-RO, Brazil
| | - Carla Freire C Fernandes
- Laboratório Multiusuário de Pesquisa e Desenvolvimento, Fundação Oswaldo Cruz Ceará, FIOCRUZ CE, Eusébio-CE, Brazil; Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade Federal do Ceará, UFC, Fortaleza, Brazil
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Uko SO, Malami I, Ibrahim KG, Lawal N, Bello MB, Abubakar MB, Imam MU. Revolutionizing snakebite care with novel antivenoms: Breakthroughs and barriers. Heliyon 2024; 10:e25531. [PMID: 38333815 PMCID: PMC10850593 DOI: 10.1016/j.heliyon.2024.e25531] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2023] [Revised: 01/27/2024] [Accepted: 01/29/2024] [Indexed: 02/10/2024] Open
Abstract
Snakebite envenoming (SBE) is a global public health concern, primarily due to the lack of effective antivenom for treating snakebites inflicted by medically significant venomous snakes prevalent across various geographic locations. The rising demand for safe, cost-effective, and potent snakebite treatments highlights the urgent need to develop alternative therapeutics targeting relevant toxins. This development could provide promising discoveries to create novel recombinant solutions, leveraging human monoclonal antibodies, synthetic peptides and nanobodies. Such technologies as recombinant DNA, peptide and epitope mapping phage display etc) have the potential to exceed the traditional use of equine polyclonal antibodies, which have long been used in antivenom production. Recombinant antivenom can be engineered to target certain toxins that play a critical role in snakebite pathology. This approach has the potential to produce antivenom with improved efficacy and safety profiles. However, there are limitations and challenges associated with these emerging technologies. Therefore, identifying the limitations is critical for overcoming the associated challenges and optimizing the development of recombinant antivenoms. This review is aimed at presenting a thorough overview of diverse technologies used in the development of recombinant antivenom, emphasizing their limitations and offering insights into prospects for advancing recombinant antivenoms.
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Affiliation(s)
- Samuel Odo Uko
- Centre for Advanced Medical Research and Training, Usmanu Danfodiyo University Sokoto, Nigeria
- Department of Biochemistry and Molecular Biology, Faculty of Chemical and Life Sciecnes, Usmanu Danfodiyo University Sokoto, Nigeria
| | - Ibrahim Malami
- Centre for Advanced Medical Research and Training, Usmanu Danfodiyo University Sokoto, Nigeria
- Department of Pharmacognosy and Ethnopharmacy, Faculty of Pharmaceutical Sciences, Usmanu Danfodiyo University Sokoto, Nigeria
| | - Kasimu Ghandi Ibrahim
- Department of Basic Medical and Dental Sciences, Faculty of Dentistry, Zarqa University, P. O. Box 2000, Zarqa, 13110, Jordan
| | - Nafiu Lawal
- Centre for Advanced Medical Research and Training, Usmanu Danfodiyo University Sokoto, Nigeria
- Department of Veterinary Microbiology, Faculty of Veterinary Medicine, Usmanu Danfodiyo University Sokoto, Nigeria
| | - Muhammad Bashir Bello
- Centre for Advanced Medical Research and Training, Usmanu Danfodiyo University Sokoto, Nigeria
- Department of Veterinary Microbiology, Faculty of Veterinary Medicine, Usmanu Danfodiyo University Sokoto, Nigeria
- Vaccine Development Unit, Infectious Disease Research Department, King Abdullah International Medical Research Center, Riyadh, Saudi Arabia
| | - Murtala Bello Abubakar
- Centre for Advanced Medical Research and Training, Usmanu Danfodiyo University Sokoto, Nigeria
- Department of Physiology, College of Health Sciences, Usmanu Danfodiyo University Sokoto, Nigeria
- Department of Physiology, College of Medicine and Health Sciences, Baze University, Abuja, Nigeria
| | - Mustapha Umar Imam
- Centre for Advanced Medical Research and Training, Usmanu Danfodiyo University Sokoto, Nigeria
- Department of Medical Biochemistry, College of Health Sciences, Usmanu Danfodiyo University Sokoto, Nigeria
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Kakati H, Giri S, Patra A, Taye SJ, Agarwalla D, Boruah H, Choudhary G, Kalita B, K Mukherjee A. A retrospective analysis of epidemiology, clinical features of envenomation, and in-patient management of snakebites in a model secondary hospital of Assam, North-east India. Toxicon 2023; 230:107175. [PMID: 37257518 DOI: 10.1016/j.toxicon.2023.107175] [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: 03/26/2023] [Revised: 05/02/2023] [Accepted: 05/26/2023] [Indexed: 06/02/2023]
Abstract
Assam, a Northeastern State of India, is inhabited by several venomous snake species causing substantial morbidity and mortality. The data on the epidemiology of snakebites and their management is underreported in this region. Hence, a secondary health-based retrospective study was carried out at Demow Model Hospital, Sivasagar, Assam, to evaluate the clinical and epidemiological profile of snakebite cases reported in this rural hospital and their management. Snakebites occurring between April 2018 to August 2022 were reviewed based on socio-demographic details of the patient, clinical symptoms, and treatment using a standard questionnaire. Out of the 1011 registered snakebite cases, 139 patients (13.7%) counted for venomous bites, among which 92 patients (66.19%) accounted for viper bites (green pit viper and Salazar's pit viper), and 30 patients (21.5%) were bitten by elapid snakes (Indian monocled Cobra, banded krait, and greater/lesser black krait). A maximum number of snakebite cases (80.5%) were reported from the interior rural villages and documented from July to September (51.3%). Elapid snake envenomed patients, except one, were successfully treated with commercial antivenom, neostigmine, and glycopyrrolate. Because commercial polyvalent antivenom against "Big Four" venomous snakes of India showed poor neutralization of pit-vipers envenomation; therefore, pit-viper bite patients were treated with repurposed drugs magnesium sulfate and glycerin compression dressing. Adverse serum reactions were reported only in 3 (11.1%) cases. The preventive measures and facilities adopted at the Demow Model Hospital significantly reduce snakebite death and morbidity; therefore, they can be s practised across various states in India as a prototype.
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Affiliation(s)
- Hirakjyoti Kakati
- Department of Molecular Biology and Biotechnology, School of Sciences, Tezpur University, Tezpur, 784028, Assam, India
| | - Surajit Giri
- Demow Government Community Health Centre, Raichai, Konwar Dihingia Gaon, Sivasagar, Assam, India.
| | - Aparup Patra
- Institute of Advanced Studies in Science and Technology, Vigyan Path Garchuk, Paschim Boragaon, Guwahati, 781035, Assam, India
| | - Simanta J Taye
- Demow Government Community Health Centre, Raichai, Konwar Dihingia Gaon, Sivasagar, Assam, India
| | - Deepak Agarwalla
- Demow Government Community Health Centre, Raichai, Konwar Dihingia Gaon, Sivasagar, Assam, India
| | - Hridoy Boruah
- Demow Government Community Health Centre, Raichai, Konwar Dihingia Gaon, Sivasagar, Assam, India
| | - Gaurav Choudhary
- Demow Government Community Health Centre, Raichai, Konwar Dihingia Gaon, Sivasagar, Assam, India
| | - Bhargab Kalita
- Amrita School of Nanosciences and Molecular Medicine, Amrita Institute of Medical Sciences and Research Centre, Amrita Vishwa Vidyapeetham, Ponekkara, Kochi, 682041, Kerala, India
| | - Ashis K Mukherjee
- Department of Molecular Biology and Biotechnology, School of Sciences, Tezpur University, Tezpur, 784028, Assam, India; Institute of Advanced Studies in Science and Technology, Vigyan Path Garchuk, Paschim Boragaon, Guwahati, 781035, Assam, India.
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Kalita B, Utkin YN, Mukherjee AK. Current Insights in the Mechanisms of Cobra Venom Cytotoxins and Their Complexes in Inducing Toxicity: Implications in Antivenom Therapy. Toxins (Basel) 2022; 14:toxins14120839. [PMID: 36548736 PMCID: PMC9780984 DOI: 10.3390/toxins14120839] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 11/21/2022] [Accepted: 11/22/2022] [Indexed: 12/02/2022] Open
Abstract
Cytotoxins (CTXs), an essential class of the non-enzymatic three-finger toxin family, are ubiquitously present in cobra venoms. These low-molecular-mass toxins, contributing to about 40 to 60% of the cobra venom proteome, play a significant role in cobra venom-induced toxicity, more prominently in dermonecrosis. Structurally, CTXs contain the conserved three-finger hydrophobic loops; however, they also exhibit a certain degree of structural diversity that dictates their biological activities. In their mechanism, CTXs mediate toxicity by affecting cell membrane structures and membrane-bound proteins and activating apoptotic and necrotic cell death pathways. Notably, some CTXs are also responsible for depolarizing neurons and heart muscle membranes, thereby contributing to the cardiac failure frequently observed in cobra-envenomed victims. Consequently, they are also known as cardiotoxins (CdTx). Studies have shown that cobra venom CTXs form cognate complexes with other components that potentiate the toxic effects of the venom's individual component. This review focuses on the pharmacological mechanism of cobra venom CTXs and their complexes, highlighting their significance in cobra venom-induced pathophysiology and toxicity. Furthermore, the potency of commercial antivenoms in reversing the adverse effects of cobra venom CTXs and their complexes in envenomed victims has also been discussed.
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Affiliation(s)
- Bhargab Kalita
- Amrita School of Nanosciences and Molecular Medicine, Amrita Vishwa Vidyapeetham, Kochi 682041, India
| | - Yuri N. Utkin
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow 117997, Russia
| | - Ashis K. Mukherjee
- Institute of Advanced Study in Science and Technology, Guwahati 781035, India
- Department of Molecular Biology and Biotechnology, Tezpur University, Tezpur 784028, India
- Correspondence:
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In vitro laboratory analyses of commercial anti-scorpion (Mesobuthus tamulus) antivenoms reveal their quality and safety but the prevalence of a low proportion of venom-specific antibodies. Toxicon 2022; 215:37-48. [DOI: 10.1016/j.toxicon.2022.06.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Revised: 05/15/2022] [Accepted: 06/01/2022] [Indexed: 11/18/2022]
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Silva A, Hodgson WC, Tasoulis T, Isbister GK. Rodent Lethality Models Are Problematic for Evaluating Antivenoms for Human Envenoming. Front Pharmacol 2022; 13:830384. [PMID: 35185582 PMCID: PMC8850383 DOI: 10.3389/fphar.2022.830384] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Accepted: 01/17/2022] [Indexed: 11/24/2022] Open
Affiliation(s)
- Anjana Silva
- Department of Parasitology, Faculty of Medicine and Allied Sciences, Rajarata University of Sri Lanka, Saliyapura, Sri Lanka
- Monash Venom Group, Faculty of Medicine, Nursing and Health Sciences, Monash University, Clayton, VIC, Australia
- South Asian Clinical Toxicology Research Collaboration, University of Peradeniya, Peradeniya, Sri Lanka
| | - Wayne C. Hodgson
- Monash Venom Group, Faculty of Medicine, Nursing and Health Sciences, Monash University, Clayton, VIC, Australia
| | - Theo Tasoulis
- Clinical Toxicology Research Group, University of Newcastle, Newcastle, NSW, Australia
| | - Geoffrey K. Isbister
- South Asian Clinical Toxicology Research Collaboration, University of Peradeniya, Peradeniya, Sri Lanka
- Clinical Toxicology Research Group, University of Newcastle, Newcastle, NSW, Australia
- *Correspondence: Geoffrey K. Isbister,
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Patra A, Kalita B, Khadilkar MV, Salvi NC, Shelke PV, Mukherjee AK. Assessment of quality and pre-clinical efficacy of a newly developed polyvalent antivenom against the medically important snakes of Sri Lanka. Sci Rep 2021; 11:18238. [PMID: 34521877 PMCID: PMC8440654 DOI: 10.1038/s41598-021-97501-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2020] [Accepted: 07/06/2021] [Indexed: 02/08/2023] Open
Abstract
Snake envenomation is a severe problem in Sri Lanka (SL) and Indian polyvalent antivenom (PAV) is mostly used for treating snakebite albeit due to geographical variation in venom composition, Indian PAV shows poor efficacy in neutralizing the lethality and toxicity of venom from the same species of snakes in SL. Therefore, the quality and in vivo venom neutralization potency of a country-specific PAV produced against the venom of the five most medically important snakes of SL (Daboia russelii, Echis carinatus, Hypnale hypnale, Naja naja, Bungarus caeruleus) was assessed. LC-MS/MS analysis of two batches of PAV showed the presence of 88.7-97.2% IgG and traces of other plasma proteins. The tested PAVs contained minor amounts of undigested IgG and F(ab')2 aggregates, showed complement activation, were devoid of IgE, endotoxin, and content of preservative was below the threshold level. Immunological cross-reactivity and in vitro neutralization of enzymatic activities, pharmacological properties demonstrated superior efficacy of SL PAV compared to Indian PAV against SL snake venoms. The in vivo neutralization study showed that the tested PAVs are potent to neutralize the lethality and venom-induced toxicity of SL snake venoms. Therefore, our study suggests that introduction of SL-specific PAV will improve snakebite management in SL.
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Affiliation(s)
- Aparup Patra
- Microbial Biotechnology and Protein Research Laboratory, Department of Molecular Biology and Biotechnology, School of Science, Tezpur University, Tezpur, Assam, 784028, India
| | - Bhargab Kalita
- Microbial Biotechnology and Protein Research Laboratory, Department of Molecular Biology and Biotechnology, School of Science, Tezpur University, Tezpur, Assam, 784028, India
| | - Milind V Khadilkar
- Premium Serums and Vaccines Pvt. Ltd, Narayangaon, Pune, Maharashtra, 410504, India
| | - Nitin C Salvi
- Premium Serums and Vaccines Pvt. Ltd, Narayangaon, Pune, Maharashtra, 410504, India
| | - Pravin V Shelke
- Premium Serums and Vaccines Pvt. Ltd, Narayangaon, Pune, Maharashtra, 410504, India
| | - Ashis K Mukherjee
- Microbial Biotechnology and Protein Research Laboratory, Department of Molecular Biology and Biotechnology, School of Science, Tezpur University, Tezpur, Assam, 784028, India.
- Institute of Advanced Study in Science and Technology, Vigyan Path, Garchuk, Paschim Boragaon, Guwahati, Assam, 781035, India.
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Mukherjee AK, Mackessy SP. Prevention and improvement of clinical management of snakebite in Southern Asian countries: A proposed road map. Toxicon 2021; 200:140-152. [PMID: 34280412 DOI: 10.1016/j.toxicon.2021.07.008] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2021] [Revised: 07/10/2021] [Accepted: 07/13/2021] [Indexed: 10/20/2022]
Abstract
In the Southern Asian countries, snakebite takes a substantial toll in terms of human life, inflicts acute morbidity and long term disability both physical and psychological, and therefore represents a neglected socio-economic problem and severe health issue that requires immediate medical attention. The 'Big Four' venomous snakes, viz. Daboia russelii, Naja naja, Bungarus caeruleus and Echis carinatus, are prominent, medically important species and are the most dangerous snakes of this region; therefore, the commercial polyvalent antivenom (PAV) contains antibodies against the venoms of these snakes. However, envenomations by species other than the 'Big Four' snakes are grossly neglected, and PAV is only partially effective in neutralizing the venom of these snakes. Many issues confounding effective treatment of snakebite are discussed in this review, and these hurdles preventing successful treatment of snakebite must be addressed. However, in South Asian countries, the pre-hospital treatment and appropriate first aid are equally important to mitigate the problem of snakebite and therefore, these issues are also highlighted here. Further, this review suggests a roadmap and guidelines for the prevention of snakebite and improvement of hospital management of snakebite in these Southern Asian countries.
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Affiliation(s)
- Ashis K Mukherjee
- Division of Life Sciences, Institute of Advanced Study in Science and Technology, Vigyan Path Garchuk, Paschim Boragaon, Guwahati, 781035, Assam, India; Department of Molecular Biology and Biotechnology, Tezpur University, Tezpur, 78028, Assam, India; School of Biological Sciences, University of Northern Colorado, Greeley, CO, 80639-0017, USA.
| | - Stephen P Mackessy
- School of Biological Sciences, University of Northern Colorado, Greeley, CO, 80639-0017, USA
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