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Chiang LC, Chien KY, Su HY, Chen YC, Mao YC, Wu WG. Comparison of Protein Variation in Protobothrops mucrosquamatus Venom between Northern and Southeast Taiwan and Association with Human Envenoming Effects. Toxins (Basel) 2022; 14:toxins14090643. [PMID: 36136582 PMCID: PMC9501293 DOI: 10.3390/toxins14090643] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Revised: 09/13/2022] [Accepted: 09/16/2022] [Indexed: 12/03/2022] Open
Abstract
Reports of bite from Protobothrops mucrosquamatus (Pmu) are frequent in Taiwan, and its wide-spread distribution and diverse habitats drove us to investigate its envenoming effects and relevant venom variations. We used reversed-phase high-performance liquid chromatography and mass spectrometry to analyze 163 Pmu venom samples collected from northern and southeastern Taiwan. Twenty-two major protein fractions were separated and analyzed, and their contents were determined semi-quantitatively. The results showed that despite the trivial differences in the protein family, there is an existing variation in acidic phospholipases A2s, serine proteinases, metalloproteinases, C-type lectin-like proteins, and other less abundant components in the Pmu venoms. Moreover, clinical manifestations of 209 Pmu envenomed patients hospitalized in northern or southeastern Taiwan revealed significant differences in local symptoms, such as ecchymosis and blistering. The mechanism of these local effects and possibly relevant venom components were examined. Further analysis showed that certain venom components with inter-population variation might work alone or synergistically with others to aggravate the local effects. Therefore, our findings of the venom variation may help one to improve antivenom production and better understand and manage Pmu bites.
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Affiliation(s)
- Liao-Chun Chiang
- College of Life Sciences, National Tsing Hua University, Hsinchu City 300, Taiwan
| | - Kun-Yi Chien
- Graduate Institute of Biomedical Sciences, College of Medicine, Chang Gung University, Taoyuan County 333, Taiwan
- Clinical Proteomics Core Laboratory, Chang Gung Memorial Hospital, Taoyuan County 333, Taiwan
- Department of Biochemistry and Molecular Biology, College of Medicine, Chang Gung University, Taoyuan County 333, Taiwan
| | - Hung-Yuan Su
- Department of Emergency Medicine, E-Da Hospital, Kaohsiung County 824, Taiwan
- The School of Chinese Medicine for Post Baccalaureate, I-Shou University, Kaohsiung County 840, Taiwan
- Department of Safety, Health and Environmental Engineering, National Kaohsiung University of Science and Technology, Kaohsiung County 811, Taiwan
| | - Yen-Chia Chen
- Department of Emergency Medicine, Taipei Veterans General Hospital, Taipei City 112, Taiwan
- School of Medicine, National Yang Ming Chiao Tung University, Taipei City 112, Taiwan
- Department of Emergency Medicine, National Defense Medical Center, Taipei City 114, Taiwan
| | - Yan-Chiao Mao
- Department of Emergency Medicine, National Defense Medical Center, Taipei City 114, Taiwan
- Division of Clinical Toxicology, Department of Emergency Medicine, Taichung Veterans General Hospital, Taichung City 407, Taiwan
- College of Medicine, National Chung Hsing University, Taichung City 402, Taiwan
- Correspondence: (Y.-C.M.); (W.-G.W.)
| | - Wen-Guey Wu
- College of Life Sciences, National Tsing Hua University, Hsinchu City 300, Taiwan
- Correspondence: (Y.-C.M.); (W.-G.W.)
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Abdullah NAH, Rusmili MRA, Zainal Abidin SA, Shaikh MF, Hodgson WC, Othman I. Isolation and Characterization of A2-EPTX-Nsm1a, a Secretory Phospholipase A 2 from Malaysian Spitting Cobra ( Naja sumatrana) Venom. Toxins (Basel) 2021; 13:toxins13120859. [PMID: 34941697 PMCID: PMC8709200 DOI: 10.3390/toxins13120859] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Revised: 11/22/2021] [Accepted: 11/27/2021] [Indexed: 02/07/2023] Open
Abstract
Phospholipase A2 (PLA2) toxins are one of the main toxin families found in snake venom. PLA2 toxins are associated with various detrimental effects, including neurotoxicity, myotoxicity, hemostatic disturbances, nephrotoxicity, edema, and inflammation. Although Naja sumatrana venom contains substantial quantities of PLA2 components, there is limited information on the function and activities of PLA2 toxins from the venom. In this study, a secretory PLA2 from the venom of Malaysian N. sumatrana, subsequently named A2-EPTX-Nsm1a, was isolated, purified, and characterized. A2-EPTX-Nsm1a was purified using a mass spectrometry-guided approach and multiple chromatography steps. Based on LC-MSMS, A2-EPTX-Nsm1a was found to show high sequence similarity with PLA2 from venoms of other Naja species. The PLA2 activity of A2-EPTX-Nsm1 was inhibited by 4-BPB and EDTA. A2-EPTX-Nsm1a was significantly less cytotoxic in a neuroblastoma cell line (SH-SY5Y) compared to crude venom and did not show a concentration-dependent cytotoxic activity. To our knowledge, this is the first study that characterizes and investigates the cytotoxicity of an Asp49 PLA2 isolated from Malaysian N. sumatrana venom in a human neuroblastoma cell line.
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Affiliation(s)
- Nur Atiqah Haizum Abdullah
- Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Jalan Lagoon Selatan, Bandar Sunway, Subang Jaya 47500, Malaysia; (S.A.Z.A.); (M.F.S.)
- Centre for Tissue Engineering and Regenerative Medicine, Faculty of Medicine, Universiti Kebangsaan Malaysia, Jalan Yaacob Latif, Bandar Tun Razak, Kuala Lumpur 56000, Malaysia
- Correspondence: or (N.A.H.A.); (I.O.)
| | - Muhamad Rusdi Ahmad Rusmili
- Kulliyyah of Pharmacy, Kuantan Campus, International Islamic University Malaysia, Bandar Indera Mahkota, Kuantan 25200, Malaysia;
| | - Syafiq Asnawi Zainal Abidin
- Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Jalan Lagoon Selatan, Bandar Sunway, Subang Jaya 47500, Malaysia; (S.A.Z.A.); (M.F.S.)
| | - Mohd Farooq Shaikh
- Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Jalan Lagoon Selatan, Bandar Sunway, Subang Jaya 47500, Malaysia; (S.A.Z.A.); (M.F.S.)
| | - Wayne C. Hodgson
- Monash Venom Group, Department of Pharmacology, Biomedical Discovery Institute, Monash University, Clayton, VIC 3800, Australia;
| | - Iekhsan Othman
- Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Jalan Lagoon Selatan, Bandar Sunway, Subang Jaya 47500, Malaysia; (S.A.Z.A.); (M.F.S.)
- Correspondence: or (N.A.H.A.); (I.O.)
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Villar-Briones A, Aird SD. Organic and Peptidyl Constituents of Snake Venoms: The Picture Is Vastly More Complex Than We Imagined. Toxins (Basel) 2018; 10:E392. [PMID: 30261630 PMCID: PMC6215107 DOI: 10.3390/toxins10100392] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2018] [Revised: 09/18/2018] [Accepted: 09/20/2018] [Indexed: 12/24/2022] Open
Abstract
Small metabolites and peptides in 17 snake venoms (Elapidae, Viperinae, and Crotalinae), were quantified using liquid chromatography-mass spectrometry. Each venom contains >900 metabolites and peptides. Many small organic compounds are present at levels that are probably significant in prey envenomation, given that their known pharmacologies are consistent with snake envenomation strategies. Metabolites included purine nucleosides and their bases, neurotransmitters, neuromodulators, guanidino compounds, carboxylic acids, amines, mono- and disaccharides, and amino acids. Peptides of 2⁻15 amino acids are also present in significant quantities, particularly in crotaline and viperine venoms. Some constituents are specific to individual taxa, while others are broadly distributed. Some of the latter appear to support high anabolic activity in the gland, rather than having toxic functions. Overall, the most abundant organic metabolite was citric acid, owing to its predominance in viperine and crotaline venoms, where it chelates divalent cations to prevent venom degradation by venom metalloproteases and damage to glandular tissue by phospholipases. However, in terms of their concentrations in individual venoms, adenosine, adenine, were most abundant, owing to their high titers in Dendroaspis polylepis venom, although hypoxanthine, guanosine, inosine, and guanine all numbered among the 50 most abundant organic constituents. A purine not previously reported in venoms, ethyl adenosine carboxylate, was discovered in D. polylepis venom, where it probably contributes to the profound hypotension caused by this venom. Acetylcholine was present in significant quantities only in this highly excitotoxic venom, while 4-guanidinobutyric acid and 5-guanidino-2-oxopentanoic acid were present in all venoms.
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Affiliation(s)
- Alejandro Villar-Briones
- Division of Research Support, Okinawa Institute of Science and Technology, 1919-1 Tancha, Onna-son, Kunigami-gun, Okinawa 904-0495, Japan.
| | - Steven D Aird
- Division of Faculty Affairs and Ecology and Evolution Unit, Okinawa Institute of Science and Technology, 1919-1 Tancha, Onna-son, Kunigami-gun, Okinawa 904-0495, Japan.
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Burin SM, Menaldo DL, Sampaio SV, Frantz FG, Castro FA. An overview of the immune modulating effects of enzymatic toxins from snake venoms. Int J Biol Macromol 2018; 109:664-671. [DOI: 10.1016/j.ijbiomac.2017.12.101] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2017] [Revised: 12/15/2017] [Accepted: 12/19/2017] [Indexed: 12/09/2022]
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Yang H, Yang L, Wang DW, Wei JF, He S. Anaphylactic shock caused by haemocoagulase injection in China. Exp Ther Med 2017; 13:1547-1553. [PMID: 28413507 DOI: 10.3892/etm.2017.4121] [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: 07/15/2015] [Accepted: 09/15/2016] [Indexed: 11/06/2022] Open
Abstract
Haemocoagulase injection is a mixture of purified enzymes isolated from the venom of Bothrops atrox, which is used for the prevention and treatment of haemorrhage. It is a relatively safe pharmacological agent that does not require a skin test prior to administration. However, following a literature search, 14 reported cases of anaphylactic shock caused by haemocoagulase injection were identified, including one lethal case in China. Using SDS-PAGE and protein identification, four primary components in haemocoagulase injection were characterized, including one metalloproteinase, which may be a thromboplastin-like enzyme, and two serine proteinases, which may be thrombin-like enzymes. Administering concentrated haemocoagulase injections failed to provoke a positive skin reaction in allergic patients. Basophil activation tests revealed that haemocoagulase injections did not upregulate cluster of differentiation 63 or C-C chemokine receptor type 3 expression. These findings suggest that haemocoagulase injection may cause fetal anaphylaxis. Although it is difficult to determine a clear conclusion without being able to evaluate the patients that underwent haemocoagulase injection-induced shock, it is unlikely that the venomous components of haemocoagulase injection cross-react with common allergens in allergic patients. It is possible that haemocoagulase injection-induced anaphylaxis is caused by its additive components, such as mannitol and succinylated gelatin.
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Affiliation(s)
- Haiwei Yang
- Allergy and Clinical Immunology Research Centre, The First Affiliated Hospital of Liaoning Medical University, Jinzhou, Liaoning 121001, P.R. China.,Department of Urology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Liming Yang
- School of Life Sciences, Huaiyin Normal University, Huai'an, Jiangsu 223001, P.R. China
| | - De-Wang Wang
- Research Division of Clinical Pharmacology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Ji-Fu Wei
- Research Division of Clinical Pharmacology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Shaoheng He
- Allergy and Clinical Immunology Research Centre, The First Affiliated Hospital of Liaoning Medical University, Jinzhou, Liaoning 121001, P.R. China.,Research Division of Clinical Pharmacology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
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Inflammatory Action of Secretory Phospholipases A2 from Snake Venoms. TOXINS AND DRUG DISCOVERY 2017. [DOI: 10.1007/978-94-007-6452-1_10] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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Hu Y, Yang L, Yang H, He S, Wei JF. Identification of snake venom allergens by two-dimensional electrophoresis followed by immunoblotting. Toxicon 2017; 125:13-18. [DOI: 10.1016/j.toxicon.2016.11.251] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2016] [Revised: 11/10/2016] [Accepted: 11/16/2016] [Indexed: 11/29/2022]
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Chaïr-Yousfi I, Laraba-Djebari F, Hammoudi-Triki D. Androctonus australis hector venom contributes to the interaction between neuropeptides and mast cells in pulmonary hyperresponsiveness. Int Immunopharmacol 2015; 25:19-29. [PMID: 25601496 DOI: 10.1016/j.intimp.2015.01.008] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2014] [Revised: 01/06/2015] [Accepted: 01/09/2015] [Indexed: 11/28/2022]
Abstract
Lung injury and respiratory distress syndrome are frequent symptoms observed in the most severe cases of scorpion envenomation. The uncontrolled transmigration of leukocyte cells into the lung interstitium and alveolar space and pulmonary edema may be the cause of death. Mast cells can release various inflammatory mediators known to be involved in the development of lung edema following scorpion venom injection. The present study was designed to determine the evidence of neurokinin 1 (NK1) receptor and the involvement of mast cell activation to induce pulmonary edema and to increase vascular permeability after Androctonus australis hector (Aah) venom administration. To this end, mast cells were depleted using compound 48/80 (C48/80). Furthermore, the involvement of tachykinin NK1 receptors expressed on mast cell membranes was elucidated by their blocking with an antagonist. On the other hand, the ability of Aah venom to increase vascular permeability and to induce edema was also assessed by measuring the amount of Evans blue dye (EBD) extravasation in bronchoalveolar lavage (BAL) fluid and in the lungs of mice. Pulmonary edema, as assessed by the levels of EBD extravasation, was completely inhibited in compound 48/80-treated animals. Depletion by stimuli non-immunological C48/80 component markedly reduced induced inflammatory response following the venom administration. The mast cells seem to play an important role in the development of lung injury and the increase of vascular permeability in mice following the subcutaneous administration of Aah scorpion venom through the NK1 receptor.
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Affiliation(s)
- Imène Chaïr-Yousfi
- University of Sciences and Technology Houari Boumediene, Faculty of Biological Sciences, Laboratory of Cellular and Molecular Biology, Algiers, Algeria
| | - Fatima Laraba-Djebari
- University of Sciences and Technology Houari Boumediene, Faculty of Biological Sciences, Laboratory of Cellular and Molecular Biology, Algiers, Algeria.
| | - Djelila Hammoudi-Triki
- University of Sciences and Technology Houari Boumediene, Faculty of Biological Sciences, Laboratory of Cellular and Molecular Biology, Algiers, Algeria
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Induction of mast-cell accumulation by promutoxin, an Arg-49 phospholipase A2. BIOMED RESEARCH INTERNATIONAL 2012; 2013:206061. [PMID: 23509689 PMCID: PMC3591241 DOI: 10.1155/2013/206061] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/23/2012] [Accepted: 09/11/2012] [Indexed: 11/17/2022]
Abstract
Local inflammation is a prominent characteristic of snakebite wound, and snake-venom phospholipase A2s (PLA2s) are some of the main component that contribute to accumulation of inflammatory cells. However, the action of an R49 PLA2s, promutoxin from Protobothrops mucrosquamatus venom, on mast-cell accumulation has not been previously examined. Using a mouse peritoneal model, we found that promutoxin can induce approximately-6-fold increase in mast-cell accumulation, and the response lasts at least for 16 h. The promutoxin-induced mast cell accumulation was inhibited by cyproheptadine, terfenadine, and Ginkgolide B, indicating that histamine and platelet-activating factor (PAF) is likely to contribute to the mast-cells accumulation. Preinjection of antibodies against adhesion molecules ICAM-1, CD18, CD11a, and L-selectin showed that ICAM-1, and CD18, CD11a are key adhesion molecules of promutoxin-induced mast-cell accumulation. In conclusion, promutoxin can induce accumulation of mast cells, which may contribute to snake-venom wound.
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Wei JF, Wei XL, Chen QY, He SH. Induction of inflammatory cell accumulation by TM-N49 and promutoxin, two novel phospholipase A(2). Toxicon 2010; 56:580-8. [PMID: 20538012 DOI: 10.1016/j.toxicon.2010.05.018] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2010] [Revised: 05/27/2010] [Accepted: 05/28/2010] [Indexed: 11/28/2022]
Abstract
Local inflammation is a prominent characteristic of snakebite wound. Snake venom phospholipase A(2)s (PLA(2)s) are one of the main components which contribute to accumulation of inflammatory cells. We have isolated TM-N49 and promutoxin from Protobothrops mucrosquamatus venom and investigated their ability in induction of cell accumulation by using an in vivo mouse model. The results showed that both TM-N49 and promutoxin are potent stimuli for induction of neutrophil, lymphocyte, macrophage and eosinophil accumulation in the mouse peritoneum. The TM-N49- and promutoxin-induced inflammatory cell accumulation was inhibited by pretreatment of animals with cyproheptadine, terfenadine and Ginkgolide B, indicating that histamine and PAF is likely to contribute to the cells accumulation. Pre-injection of antibodies against adhesion molecules ICAM-1, CD18, CD11a and L-selectin showed that ICAM-1 is a key adhesion molecule of TM-N49- and promutoxin-induced lymphocyte, macrophage and eosinophil accumulation; CD18 and CD11a plays an important role in the migration of neutrophils, eosinophils and macrophages; and L-selectin is involved in the neutrophil and eosinophil accumulation. In conclusion, induction of inflammatory cell accumulation by TM-N49 and promutoxin confirms that group II PLA(2)s is pivotal stimulus for cell infiltration, through which they participate in the formation of snakebite inflammation.
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Affiliation(s)
- Ji-Fu Wei
- Clinical Experiment Center, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing 210029, PR China
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