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Biomonitoring of microcystin and aflatoxin co-occurrence in aquaculture using immunohistochemistry and genotoxicity assays BABT
Hashimoto,Elisabete Hiromi; Kamogae,Márcia; Vanzella,Tatiana Perez; Cólus,Ilce Mara Syllus; Bracarense,Ana Paula Frederico Rodrigues Lourenço; Bittencourt-Oliveira,Maria do Carmo; Itano,Eiko; Kuroda,Emília Kiyomi; Kato,Hajime; Nagata,Satoshi; Ueno,Yoshio; Harada,Ken-Ichi; Hirooka,Elisa Yoko.
This work investigated the effects of co-occurring aflatoxin B1 (AFB1) and microcystin (MC) in aquaculture, using immunohistochemistry and genotoxicity methods. Tilapia (Oreochromis niloticus) were exposed to AFB1 by intraperitoneal and MC (cell extract of Microcystis aeruginosa) by intraperitoneal and immersion routes. The interaction of MC-AFB1 was evaluated co-exposing the intraperitoneal doses. Blood samples were collected after 8, 24, and 48h to analyze the micronucleus frequency and comet score. The interaction of MC-AFB1 showed a synergic mutagenic response by higher micronucleus frequency of co-exposed group. A slight genotoxic synergism was also observed in the comet score. Immunohistochemistry detected MC in al lthe fish liver tissues exposed to...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Microcystis aeruginosa; Mycotoxin and tilapia.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132012000100019
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