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Malignant tissues showed weak to moderate cytoplasmic staining often combined with membranous positivity. Strong positivity was for example observed in cases of hepatocellular carcinomas, cervical squamous cell carcinomas, lung, ovary and pancreatic cancers. A majority of malignant gliomas, skin testicular cancers were negative.
GENE INFORMATION
Gene name
TAPBPL (HGNC Symbol)
Synonyms
FLJ10143, TAPBP-R, TAPBPR
Description
TAP binding protein-like (HGNC Symbol)
Entrez gene summary
Tapasin, or TAPBP (MIM 601962), is a member of the variable-constant Ig superfamily that links major histocompatibility complex (MHC) class I molecules to the transporter associated with antigen processing (TAP; see MIM 170260) in the endoplasmic reticulum (ER). The TAPBP gene is located near the MHC complex on chromosome 6p21.3. TAPBPL is a member of the Ig superfamily that is localized on chromosome 12p13.3, a region somewhat paralogous to the MHC.[supplied by OMIM, Mar 2008]