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At noncytotoxic concentrations, the toxins did not affect the adhesion of the macrophages, nor their ability to detach. The data obtained showed that only BaTX-I stimulated complement receptor-mediated phagocytosis. However, BaTX-I, BaTX-II, and BaPLA<jats:sub>2<\/jats:sub>induced the release of the superoxide anion by J774A.1 macrophages. Additionally, only BaTX-I raised the lysosomal volume of macrophages after 15\u2009min of incubation. After 30\u2009min, all the phospholipases increased this parameter, which was not observed within 60\u2009min. Moreover, BaTX-I, BaTX-II, and BaPLA<jats:sub>2<\/jats:sub>increased the number of lipid bodies on macrophages submitted to phagocytosis and not submitted to phagocytosis. However, BaTX-II and BaPLA<jats:sub>2<\/jats:sub>induced the release of TNF-<jats:italic>\u03b1<\/jats:italic>by J774A.1 macrophages. Taken together, the data show that, despite differences in enzymatic activity, the three toxins induced inflammatory events and whether the enzyme is acidic or basic does not seem to contribute to these effects.<\/jats:p>","DOI":"10.1155\/2014\/683123","type":"journal-article","created":{"date-parts":[[2014,1,27]],"date-time":"2014-01-27T21:11:04Z","timestamp":1390857064000},"page":"1-13","source":"Crossref","is-referenced-by-count":32,"title":["Activation of J77A.1 Macrophages by Three Phospholipases A<sub>2<\/sub>Isolated from<i>Bothrops atrox<\/i>Snake Venom"],"prefix":"10.1155","volume":"2014","author":[{"given":"Juliana L.","family":"Furtado","sequence":"first","affiliation":[{"name":"Laborat\u00f3rio de Imunofarmacologia Aplicada \u00e0 Sa\u00fade, Funda\u00e7\u00e3o Oswaldo Cruz, FIOCRUZ-Rond\u00f4nia, Rua da Beira, 7671 Br364, Km 3.5, 76812-245 Porto Velho, RO, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"George 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