[Topographic distribution of arsenous anhydride in pregnant mice using macroscopic autoradiography].

C Brunet, M Luyckx, M Cazin
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Abstract

Radioactive arsenic trioxide is given to pregnant mice in order to complete a recent pharmacokinetics study in the same species and to investigate an eventual transplacental passage, whole body autoradiographic study is performed in the mouse after a single administration of that compound considering its fast elimination process. Both in mice and foetus a fixation has particularly kept our attention: the radioactivity is well fixed in the bone marrow and it might be related to some malformations which occur in the newborns.

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[用肉眼放射自显影法测定妊娠小鼠体内酸酐亚砷的地形分布]。
放射性三氧化二砷被给予怀孕小鼠,以完成最近在同一物种中的药代动力学研究,并调查最终的经胎盘通道,考虑到其快速消除过程,在小鼠单次给予该化合物后进行全身放射自显影研究。在老鼠和胎儿身上,一种固定尤其引起了我们的注意:放射性在骨髓中固定得很好,这可能与新生儿出现的一些畸形有关。
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