SASS6(Spindle Assembly Abnormal Protein 6)是一种在细胞分裂过程中起关键作用的基因,主要参与中心体的形成和纺锤体的组装。其表达产物是一种中心体蛋白,通过与CEP152等其他蛋白相互作用,确保中心体的正确复制和纺锤体的正常组装,从而维持细胞分裂的精确性。SASS6在胚胎发育和神经系统的形成中尤为重要,其功能异常可能导致严重的发育缺陷。该基因属于SAS(Spindle Assembly Abnormal)基因家族,该家族成员普遍参与细胞分裂过程中的纺锤体组装和染色体分离,共同特点是调控细胞周期和有丝分裂的准确性。SASS6突变可能导致中心体复制异常,进而引发纺锤体缺陷、染色体错误分离和非整倍体,与多种疾病相关,如小头畸形(原发性小头畸形5型)和某些癌症。SASS6过表达可能导致中心体过度复制,引发基因组不稳定和肿瘤发生;而降低表达则可能导致中心体复制失败,造成细胞分裂停滞或异常,影响胚胎发育或导致神经发育障碍。研究表明,SASS6功能异常还与不孕不育和某些神经系统疾病有关。该基因的调控异常可能影响其他细胞周期相关基因(如PLK4、CEP63)的表达或功能,进一步破坏细胞分裂的协调性。
SAS6 is necessary for centrosome duplication and functions during procentriole formation; SAS6 functions to ensure that each centriole seeds the formation of a single procentriole per cell cycle Strnad et al., (2007) [PubMed 17681132].[supplied by OMIM, Mar 2008]
Subcellular localization of SASS6 (and its protein):
Gene Ontology (GO) terms for SASS6:
| Interacting Gene | Interaction | Source/Score |
| Disease | Score | NofPmids | NofSnps | Source |
| Primary microcephaly | 0.000271442 | 1 | 0 | BeFree |
| Autosomal Recessive Primary Microcephaly | 0.000271442 | 1 | 0 | BeFree |
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