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Required for normal spindle assembly. Plays a key role in mother-centriole-dependent centriole duplication; the function seems also to involve CEP152, CDK5RAP2 and WDR62 through a stepwise assembled complex at the centrosome that recruits CDK2 required for centriole duplication. Reported to be required for centrosomal recruitment of CEP152; however, this function has been questioned. Also recruits CDK1 to centrosomes. Plays a role in DNA damage response. Following DNA damage, such as double-strand breaks (DSBs), is removed from centrosomes; this leads to the inactivation of spindle assembly and delay in mitotic progression.
Gene References into Functions
CEP63 is particularly important for brain development and might control the proliferation and migration of cells when those two events need to be highly coordinated. PMID: 26400686
centrosomal Cdk1 signals were strongly diminished in cells treated with Cep63 siRNA when sc-54 was used for Cdk1 labeling PMID: 25643699
both mouse and human Cep63 and Cep152 cooperate to ensure efficient centriole duplication by promoting the accumulation of essential centriole duplication factors upstream of SAS-6 recruitment and procentriole formation. PMID: 23936128
Cep57, Cep63, and Cep152 are parts of a ring-like complex localizing around the proximal end of centrioles. PMID: 23333316
One new SNP (rs112926188) in CEP63O was reported. Analysis showed that rs112926188 allele substituting proline at the 61st residue position of CEP63 produced more flexibility in three-deimensional space. PMID: 22555018
Findings define Cep63 as a centrosomal recruitment factor for Cdk1 that is essential for mitotic entry, providing a physical link between the centrosome and the cell-cycle machinery. PMID: 21406398
CEP63 transcripts exhibited three different expression patterns, downregulation was found in about 50% of the cases analyzed and CEP63 gene transcription was associated with invasive tumors. PMID: 16410684
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Involvement in disease
Seckel syndrome 6 (SCKL6)
Subcellular Location
Cytoplasm, cytoskeleton, microtubule organizing center, centrosome. Cytoplasm, cytoskeleton, microtubule organizing center, centrosome, centriole. Cytoplasm, cytoskeleton, microtubule organizing center, centrosome, centriolar satellite.