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Most malignancies were moderately stained, however, the staining pattern varied in both intensity and subcellular localisation within the same tumor type. Malignant lymphomas displayed strong cytoplasmic staining.
Prostate, ovarian, testis, renal, gastric and malignant gliomas and lymphomas showed moderate to strong positivity. Remaining malignancies were weak or moderate.
GENE INFORMATION
Gene name
BIN1 (HGNC Symbol)
Synonyms
AMPH2, AMPHL, SH3P9
Description
Bridging integrator 1 (HGNC Symbol)
Entrez gene summary
This gene encodes several isoforms of a nucleocytoplasmic adaptor protein, one of which was initially identified as a MYC-interacting protein with features of a tumor suppressor. Isoforms that are expressed in the central nervous system may be involved in synaptic vesicle endocytosis and may interact with dynamin, synaptojanin, endophilin, and clathrin. Isoforms that are expressed in muscle and ubiquitously expressed isoforms localize to the cytoplasm and nucleus and activate a caspase-independent apoptotic process. Studies in mouse suggest that this gene plays an important role in cardiac muscle development. Alternate splicing of the gene results in ten transcript variants encoding different isoforms. Aberrant splice variants expressed in tumor cell lines have also been described. [provided by RefSeq, Sep 2011]