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Lethal phenotype of mice carrying a Sept11 null mutation.

机译:携带Sept11无效突变的小鼠的致死表型。

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摘要

Septins are cytoskeletal GTP-binding proteins involved in processes characterized by active membrane movement, such as cytokinesis, vesicle trafficking and exocytosis. Most septins are expressed ubiquitously, however, some septins accumulate in particular tissues. The ubiquitous SEPT11 also shows high expression levels in the central nervous system and in platelets. Here, SEPT11 is involved in vesicle trafficking and may play a role in synaptic connectivity. Interestingly, mice that harbor a homozygous Sept11 null mutation, die in utero. From day 11.5 post coitum onwards, development of homozygous embryos seems to be retarded and the embryos from day 13.5 onwards were dead.
机译:Septins是细胞骨架GTP结合蛋白,参与以活动膜移动为特征的过程,例如胞质分裂,囊泡运输和胞吐作用。大多数Septins普遍存在,但是某些Septins会在特定组织中积累。普遍存在的SEPT11在中枢神经系统和血小板中也显示出高表达水平。在这里,SEPT11参与囊泡运输,并可能在突触连接中发挥作用。有趣的是,带有纯合的Sept11无效突变的小鼠在子宫内死亡。从交配后第11.5天起,纯合子胚胎的发育似乎受阻,从第13.5天起死去的胚胎。

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