نتایج جستجو برای: teratogenic
تعداد نتایج: 2255 فیلتر نتایج به سال:
We have tested 35 teratogenic and 20 nonteratogenic chemicals or drugs in a short-term, in vitro assay that identifies teratogens by their ability to inhibit growth of an established line of human embryonic palatal mesenchymal cells. Only those chemicals that exhibited a dose-dependent inhibition of growth at concentrations less than 1 mM were classified as inhibitory. An Aroclor-induced rat li...
It is generally believed that herbal medicines are safer to use during pregnancy than the conventional. Herbal therapies have been recently reported to be associated with toxic effects in vitro, including teratogenic. There is paucity of evidence regarding effects of Geinseng on developing concepts in experimental animals. The present work was, therefore, designed using albino mice; these were ...
Ethyl carbamate and a series of related compounds were given in single intraperitoneal doses to pregnant Syrian hamsters on Day 8 of gestation, and fetuses were examined for malformations on Day 13 of gestation. Urethan produced a variety of malforma tions and growth retardation. Of the compounds modified in the carboethoxy end, n-propyl carbamate was as teratogenic as the ethyl carbamate, and ...
Postimplantation rat embryos (Day 10) were exposed in vitro to teratogenic concentrations of 4-hydroperoxycyclophosphamide, an activated form of cyclophosphamide, and phosphoramide mustard, the major teratogenic metabolite of cyclophosphamide. Following a 5-h exposure to these agents, drug-induced DNA damage was assessed by alkaline elution. Both drugs induced detectable DNA cross-linking at te...
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