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Most cancers showed moderate cytoplasmic positivity. Few cases of colorectal, ovarian and liver cancers were strongly stained. Many cases of skin and cervical cancers were negative.
GENE INFORMATION
Gene name
CACNA1D (HGNC Symbol)
Synonyms
CACH3, CACN4, CACNL1A2, Cav1.3, CCHL1A2
Description
Calcium channel, voltage-dependent, L type, alpha 1D subunit (HGNC Symbol)
Entrez gene summary
Voltage-dependent calcium channels mediate the entry of calcium ions into excitable cells, and are also involved in a variety of calcium-dependent processes, including muscle contraction, hormone or neurotransmitter release, and gene expression. Calcium channels are multisubunit complexes composed of alpha-1, beta, alpha-2/delta, and gamma subunits. The channel activity is directed by the pore-forming alpha-1 subunit, whereas the others act as auxiliary subunits regulating this activity. The distinctive properties of the calcium channel types are related primarily to the expression of a variety of alpha-1 isoforms, namely alpha-1A, B, C, D, E, and S. This gene encodes the alpha-1D subunit. Several transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Dec 2012]