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Title: | Some toxic and enzymatic activities of Bothrops ammodytoides (yarará ñata) venom | Authors: | de Roodt, Adolfo R. Dolab, Jorge A. Hajos, Silvia Elvira Gould, Eduardo G Dinápoli, H Troiano, J C Gould, J Dokmetjian, Christian Carfagnini, Julio C. Fernández, Teresa Amoroso, Marcela Segré, Liliana Vidal, Juan C. |
Keywords: | Venenos de Serpiente;Argentina | Issue Date: | Jan-2000 | Publisher: | Elsevier | Journal: | Toxicon : official journal of the International Society on Toxinology | Abstract: | Bothrops ammodytoides, the smallest representative of this genus, is found only in Argentina. Venom was extracted from thirty adult specimens (35-70 cm in length, 90-300 g in weight) captured in the Province of Buenos Aires and kept in captivity. Venom yield was 3-30 mg. SDS-PAGE showed strong bands at 14.0; 23-25; 45; 54 and 63 kDa and weak bands at 17.0; 30.0; 40.0 and 85.0 kDa. Toxic activities were: LD50 (intravenous, mice) 0.5+/-0.2 microg/g; minimal procoagulant dose on human plasma (MPD-P) 35+/-2 mg/l; and minimal defibrinogenating dose (MDD, mice) 6-12 microg. Hemorrhagic and/or necrotic activities appear to play a major role in lethality; minimal hemorrhagic dose (MHD, mice) is 10+/-2 microg/g and minimal necrotizing dose (MND, mice) is 38+/-5 microg. The LD50, MPD-P and MND are among the lowest in venoms from Bothrops species found in Argentina. B. ammodytoides venom exhibited high proteolytic and phospholipase A2 activities. Most of the B. ammodytoides venom components cross-react with Bivalent Bothropic antivenom (Instituto Nacional de Producción de Biológicos ANLIS Dr. G. Malbrin, against B. alternatus and B. neuwiedii venoms). One ml of antivenom neutralizes 1.2 mg of B. ammodytoides venom. |
Description: | Fil: de Roodt, Adolfo R. ANLIS Dr.C.G.Malbrán. Instituto Nacional de Producción de Biológicos; Argentina. Fil: Dolab, Jorge A. ANLIS Dr.C.G.Malbrán. Instituto Nacional de Producción de Biológicos; Argentina. Fil: Hajos, S E. Cátedra de Inmunologı́a de la Facultad de Farmacia y Bioquı́mica de la Universidad de Buenos Aires, Buenos Aires; Argentina. Fil: Gould, Eduardo G. Fundación de Estudios Biológicos, Pte. Perón, Buenos Aires; Argentina. Fil: Dinápoli, H. Museo Argentino de Ciencias Naturales ‘Bernardino Rivadavia’, CONICET, Buenos Aires; Argentina. Fil: Troiano, J C. Museo Argentino de Ciencias Naturales ‘Bernardino Rivadavia’, CONICET, Buenos Aires; Argentina. Fil: Gould, J. Cátedra de Inmunologı́a de la Facultad de Farmacia y Bioquı́mica de la Universidad de Buenos Aires, Buenos Aires; Argentina. Fil: Dokmetjian, Christian ANLIS Dr.C.G.Malbrán. Instituto Nacional de Producción de Biológicos; Argentina. Museo Argentino de Ciencias Naturales ‘Bernardino Rivadavia’, CONICET, Buenos Aires; Argentina. Fil: Carfagnini, Julio C. Cátedra de Patologı́a General, Facultad de Ciencias Veterinarias, Universidad de Buenos Aires, Buenos Aires; Argentina. Fil: Fernández, Teresa. Fundación de Estudios Biológicos, Pte. Perón, Buenos Aires; Argentina. Fil: Amoroso, Marcela. ANLIS Dr.C.G.Malbrán. Instituto Nacional de Producción de Biológicos; Argentina. Fil: Segré, Liliana. ANLIS Dr.C.G.Malbrán. Instituto Nacional de Producción de Biológicos; Argentina. Fil: Vidal, Juan C. Museo Argentino de Ciencias Naturales ‘Bernardino Rivadavia’, CONICET, Buenos Aires; Argentina. |
URI: | http://sgc.anlis.gob.ar/handle/123456789/2234 | ISSN: | 0041-0101 | DOI: | 10.1016/s0041-0101(99)00126-9 | Rights: | Closed Access |
Appears in Collections: | Publicaciones INPB |
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