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Long-Term Effects of Triethylenemelamine Exposure on Mouse Testis Cells and Sperm Chromatin Structure Assayed by Flow Cytometry

机译:三乙二胺暴露对流式细胞仪检测小鼠睾丸细胞和精子染色质结构的长期影响

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The toxic and potentially mutagenic actions of triethylenemelamine (TEM) on mouse body and testis weights, testicular cell kinetics, sperm production, sperm head morphology, and sperm chromatin structure were assessed in two experiments. The first experiment examined effects of four dose levels of TEM, assayed 1, 4, and 10 wk after toxic exposure. In the second study, effects from five dosage levels were measured at 1, 4, and 10 wk, and the highest dosage level was evaluated over 44 wk. TEM produced an expected dose related loss of spermatogenic activity and subsequent recovery as determined by dual-parameter (DNA, RNA) flow cytometry (FCM) measurements of testicular cells.

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