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Weak to moderate cytoplasmic immunoreactivity was observed in most testicular, breast, colorectal and cervical cancers. Remaining malignant cells were in general negative.
GENE INFORMATION
Gene name
ABCC9 (HGNC Symbol)
Synonyms
CMD1O, SUR2
Description
ATP-binding cassette, sub-family C (CFTR/MRP), member 9 (HGNC Symbol)
Entrez gene summary
The protein encoded by this gene is a member of the superfamily of ATP-binding cassette (ABC) transporters. ABC proteins transport various molecules across extra- and intra-cellular membranes. ABC genes are divided into seven distinct subfamilies (ABC1, MDR/TAP, MRP, ALD, OABP, GCN20, White). This protein is a member of the MRP subfamily which is involved in multi-drug resistance. This protein is thought to form ATP-sensitive potassium channels in cardiac, skeletal, and vascular and non-vascular smooth muscle. Protein structure suggests a role as the drug-binding channel-modulating subunit of the extra-pancreatic ATP-sensitive potassium channels. Mutations in this gene are associated with cardiomyopathy dilated type 1O. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Apr 2011]