Spmip2(spindle pole body component of 26 kDa 2)基因是参与细胞有丝分裂过程中纺锤体极体组装的蛋白质编码基因。纺锤体极体是细胞分裂时形成的结构,对确保染色体正确分离至关重要。Spmip2基因在细胞周期中表达,其产物在纺锤体极体的形成和维持中发挥关键作用。此外,Spmip2基因的表达和功能可能与其他细胞过程,如DNA损伤修复和细胞应激反应,有关联。
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