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纺锤体组装检验点 被引量:2

Spindle Assembly Checkpoint
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摘要 在细胞分裂过程中,纺锤体组装检验点(spindle assembly checkpoint,SAC)监控着染色体与纺锤体微管的结合以及有丝分裂中姐妹染色单体或减数分裂同源染色体间的张力,从而保证染色体正确均等地分配到两个子细胞中。SAC功能异常可能导致非整倍体产生,后者与肿瘤的形成以及自发流产和先天出生缺陷等疾病有密切的关系。 The spindle assembly checkpoint monitors attachment of microtubles to chromosomes, and the proper tension between sister chromatids during mitosis or homologous chromosomes during meiosis, to ensure equal distribution of chromosomes into daughter cells. Dysfunction in the spindle assembly checkpoint could lead to the generation of aneuploidy, which is closely related to diseases such as cancer, spontaneous abortions or birth with defects.
出处 《细胞生物学杂志》 CSCD 2009年第2期145-150,共6页 Chinese Journal of Cell Biology
基金 中国科学院"百人计划"(No.KJ207004) 知识创新工程重要方向性项目(No.KSCX1-YW-R-51) 国家重大科学研究计划(No.2007CB947401) 国家高技术研究发展计划(No.2006AA02Z4B4) 国家自然科学基金(No.30571030 No.30671168和No.30725013)资助~~
关键词 纺锤体组装检验点 非整倍体 有丝分裂 减数分裂 肿瘤 spindle assembly checkpoint aneuploidy mitosis meiosis cancer
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