This gene encodes a centrosome and spindle pole associated protein. The encoded protein plays a role in cell-cycle progression and spindle organization, regulates cytokinesis, interacts with Nephrocystin 8 and is required for cilia formation. Mutations in this gene result in primary cilia abnormalities and classical Joubert syndrome. Alternatively spliced transcript variants encoding distinct isoforms have been found for this gene.
Background References
1. Wang W et al. Identifies microtubule-binding protein CSPP1 as a novel cancer biomarker associated with ferroptosis and tumor microenvironment. Comput Struct Biotechnol J. 2022 Jun
2. Yang G et al. Circ-CSPP1 knockdown suppresses hepatocellular carcinoma progression through miR-493-5p releasing-mediated HMGB1 downregulation. Cell Signal. 2021 Oct
Subcellular Location
Cytoplasm, cytoskeleton, microtubule organizing center, centrosome, spindle, spindle pole.
Western blot analysis of CSPP1 on different lysates with Rabbit anti-CSPP1 antibody (HA722664) at 1/1,000 dilution.
Lane 1: HeLa cell lysate (20 µg/Lane) Lane 2: Jurkat cell lysate (20 µg/Lane) Lane 3: K-562 cell lysate (20 µg/Lane) Lane 4: HEK-293 cell lysate (20 µg/Lane) Lane 5: Mouse testis tissue lysate (40 µg/Lane) Lane 6: Rat testis tissue lysate (40 µg/Lane)
Predicted band size: 146 kDa Observed band size: 100-150 kDa
Exposure time: 1 minute 46 seconds; ECL: K1801;
4-20% SDS-PAGE gel.
Proteins were transferred to a PVDF membrane and blocked with 5% NFDM/TBST for 1 hour at room temperature. The primary antibody (HA722664) at 1/1,000 dilution was used in 5% NFDM/TBST at 4℃ overnight. Goat Anti-Rabbit IgG - HRP Secondary Antibody (HA1001) at 1/50,000 dilution was used for 1 hour at room temperature.
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