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A few cases of renal cancers exhibited moderate cytoplasmic and membranous positivity. Endothelial cells were distinctly stained. Other malignant tissues were in general negative.
GENE INFORMATION
Gene name
CACNA1C (HGNC Symbol)
Synonyms
CACH2, CACN2, CACNL1A1, Cav1.2, CCHL1A1, LQT8, TS
Description
Calcium channel, voltage-dependent, L type, alpha 1C subunit (HGNC Symbol)
Entrez gene summary
This gene encodes an alpha-1 subunit of a voltage-dependent calcium channel. Calcium channels mediate the influx of calcium ions into the cell upon membrane polarization. The alpha-1 subunit consists of 24 transmembrane segments and forms the pore through which ions pass into the cell. The calcium channel consists of a complex of alpha-1, alpha-2/delta, beta, and gamma subunits in a 1:1:1:1 ratio. There are multiple isoforms of each of these proteins, either encoded by different genes or the result of alternative splicing of transcripts. The protein encoded by this gene binds to and is inhibited by dihydropyridine. Alternative splicing results in many transcript variants encoding different proteins. Some of the predicted proteins may not produce functional ion channel subunits. [provided by RefSeq, Oct 2012]