2001
DOI: 10.1093/toxsci/61.1.6
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Implications of Apoptosis for Toxicity, Carcinogenicity, and Risk Assessment: Fumonisin B1 as an Example

Abstract: The rates of cell proliferation and cell loss in conjunction with the differentiation status of a tissue are among the many factors contributing to carcinogenesis. Nongenotoxic (non-DNA reactive) chemicals may affect this balance by increasing proliferation through direct mitogenesis or through a regenerative response following loss of cells through cytotoxic (oncotic) or apoptotic necrosis. In a recent NTP study in Fischer rats and B6C3F(1) mice, the mycotoxin fumonisin B(1) caused renal carcinomas in male ra… Show more

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Cited by 119 publications
(76 citation statements)
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“…interlobular oedema of non-inflammatory origin found in the peribronchial, peribronchiolar and perivascular areas of the lungs (Fazekas et al, 1998;Haschek et al, 1992). FB 1 has been reported to be a nephrotoxic for kidney (Bucci et al, 1998;Voss et al, 2001;Howard et al, 2001) and to provoke in vitro and in vivo degenerative and/or apoptotic damages in tubular epithelium of kidneys in rats or pigs (Dragan et al, 2001, Stoev et al, 2012, which was confirmed by the present study. FB 1 is also reported to impair protein synthesis in cells, which could lead to further degenerative changes in kidneys or liver, the target organs responsible for elimination or detoxification of mycotoxins (Abado-Becognee et al, 1998).…”
Section: Discussionsupporting
confidence: 88%
“…interlobular oedema of non-inflammatory origin found in the peribronchial, peribronchiolar and perivascular areas of the lungs (Fazekas et al, 1998;Haschek et al, 1992). FB 1 has been reported to be a nephrotoxic for kidney (Bucci et al, 1998;Voss et al, 2001;Howard et al, 2001) and to provoke in vitro and in vivo degenerative and/or apoptotic damages in tubular epithelium of kidneys in rats or pigs (Dragan et al, 2001, Stoev et al, 2012, which was confirmed by the present study. FB 1 is also reported to impair protein synthesis in cells, which could lead to further degenerative changes in kidneys or liver, the target organs responsible for elimination or detoxification of mycotoxins (Abado-Becognee et al, 1998).…”
Section: Discussionsupporting
confidence: 88%
“…A apoptose é um processo especializado de morte celular sendo parte do desenvolvimento normal dos órgãos e manutenção tecidual, mas também pode ocorrer em resposta a vários estímulos ambientais e pode ser indicativo de toxicidade. Numerosas proteínas e outros constituintes celulares estão envolvidos nos processos apoptóticos e sua regulação, incluindo os esfingolipídeos e outros lipídeos afetados pela FB 1 (DRAGAN et al, 2001).…”
Section: Fumonisinas E Carcinogenicidadeunclassified
“…Deste modo, apesar do extenso e eficiente mecanismo de reparo celular do DNA, como o DNA está replicando o tempo todo, há um potencial de ocorrer um erro que pode não ser reparado. Estes erros são raros, mas se ocorrerem em um gene envolvido no processo carcinogênico, constituem o primeiro passo à formação do câncer (DRAGAN et al, 2001). …”
Section: Fumonisinas E Carcinogenicidadeunclassified
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