Vol 6: Zearalenone, an Estrogenic Mycotoxin, Is an Immunotoxic Compound .Reportar como inadecuado



 Vol 6: Zearalenone, an Estrogenic Mycotoxin, Is an Immunotoxic Compound .


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This article is from Toxins, volume 6.AbstractThe aim of this study was to assess the toxic effects of zearalenone ZEA on the immune function. Ovariectomised rats were treated daily by gavage with 3.0 mg-kg of ZEA for 28 days. Body weight gain, food consumption, haemotological parameters, lymphoid organs, and their cellularities were evaluated. Moreover, acquired immune responses and macrophage activity were also assessed. ZEA promoted reduction in body weight gain, which is not fully explained by diminished food consumption. Despite no effect on haematological parameters, ZEA caused thymic atrophy with histological and thymocyte phenotype changes and decrease in the B cell percentage in the spleen. With respect to acquired and innate immune responses, no statistically significant differences in delayed-type hypersensitivity were noticed; however, in the ZEA-treated rats, antibody production and peroxide release by macrophages were impaired. The observed results could be related to ZEA activity on ERs; thus, ZEA is an immunotoxic compound similar to estrogen and some endocrine disruptors.



Autor: Hueza, Isis M.; Raspantini, Paulo Cesar F.; Raspantini, Leonila Ester R.; Latorre, Andreia O.; Gorniak, Silvana L.

Fuente: https://archive.org/







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