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TCDD TERATOGENICITY--MODULATION IN MIXTURES

TCDD TERATOGENICITY--MODULATION IN MIXTURES
TCDD 致畸性——混合物中的调节
批准号:
4693189
负责人:
L S BIRNBAUM
金额:
$0.0万
依托单位国家:
美国
项目类别:
财政年份:
--
资助国家:
美国
项目状态:
未结题
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中文摘要
翻译
TCDD(dioxin,2,3,7,8-tetrachlorodibenzo-p-dioxin)是一种毒性最大的二恶英 进行性体重减轻和胸腺萎缩, 两种最常见的中毒症状 腭裂的诱导和 肾积水是小鼠对TCDD的致畸反应的特征。 由于这种反应的敏感性,我们决定使用 致畸性,以测量TCDD和其他化合物与 它发生在环境中。 这些化学品包括 多氯二苯并呋喃、多氯联苯、激素, 甲状腺素和氢化可的松,以及药物。 对TCDD毒性的影响是 依赖于化学结构,并可能支持一种机械假说 TCDD毒性。
英文摘要
TCDD (dioxin, 2,3,7,8-tetrachlorodibenzo-p-dioxin) is one of the most toxic chemicals known to man. Progressive weight loss and thymic atrophy are two of its most frequent toxic symptoms. The induction of cleft palate and hydronephrosis characterize the teratogenic response of mice to TCDD. Because of the sensitivity of this response, we decided to use teratogenicity to measure the interaction of TCDD and other compounds with which it occurs in the environment. Such chemicals include polychlorinated dibenzofurans, polychlorinated biophenyls, hormones such as thyroxins and hydrocortisone, and drugs. The effects on TCDD toxicity are dependent upon chemical structure and may support a mechanistic hypothesis of TCDD toxicity.
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DISPOSITION OF HALOGENATED DIBENZOFURANS
DISPOSITION OF XENOBIOTICS
TCDD TERATOGENICITY--MODULATION IN MIXTURES
MECHANISM OF DIOXIN TOXICITY
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