Anti-hemorrhagic effect of hydro-alcoholic extract of the leaves of Mikania glomerata in lesions induced by Bothrops jararaca venom in rats.

Abstract

PURPOSE To investigate the effects of hydroalcoholic leaf extract of Mikania glomerata Spreng (Asteraceae) on the activity of Bothrops jararaca snake venom in Wistar rats. METHODS Fifty four rats Wistar were divided into six groups of nine animals in each: control treated with saline; control treated with B. jararaca venom; control treated with M. glomerata extract; B. jararaca venom incubated with M. glomerata extract at proportions of 1:1, 1:2, and 1:4. RESULTS Histopathological and morphometric analysis showed that intradermal administration of snake venom incubated with the hydroalcoholic extract at proportions of 1:1, 1:2 and 1:4 promoted a significant reduction in the number of inflammatory cells and a marked decrease in edema after the third hour. There was also a significant reduction in the intensity of the hemorrhagic halo in animals receiving the snake venom incubated with the extract, with the observation of a progressive and parallel inhibition with increasing proportion of M. glomerata. CONCLUSION The Mikania glomerata hydroalcoholic extract exerted effective anti-inflammatory and antihemorrhagic activity against the effects induced by Bothrops jararaca snake venom.

DOI: 10.1590/S0102-86502014000100005
02004006002014201520162017
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@article{Mouro2014AntihemorrhagicEO, title={Anti-hemorrhagic effect of hydro-alcoholic extract of the leaves of Mikania glomerata in lesions induced by Bothrops jararaca venom in rats.}, author={Vanessa Barreto Mour{\~a}o and Gleice Mara Giraldi and Lia Mara Grosso Neves and Fernanda Oliveira de Gaspari de Gaspi and Rodney Alexandre Ferreira Rodrigues and Armindo Antonio Alves and Marcelo Augusto Marreto Esquisatto and Maur{\'i}cio Ventura Mazzi and Fernanda Aparecida Sampaio Mendonça and Gl{\'a}ucia Maria Tech dos Santos}, journal={Acta cirurgica brasileira}, year={2014}, volume={29 1}, pages={30-7} }