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Moderate cytoplasmic and/or nuclear membranous immunoreactivity was observed in most cancer tissues. A few gliomas and melanomas were strongly stained. Several lymphomas, carcinoids and renal cancers were weakly stained or negative.
Most of colorectal, breast, prostate, testis cancers and melanomas displayed weak to moderate cytoplasmic staining. Few cases of colorectal cancer were strongly stained. Remaining cancer tissues were mostly negative.
GENE INFORMATION
Gene name
ARFGAP1 (HGNC Symbol)
Synonyms
ARF1GAP, bA261N11.3, FLJ10767
Description
ADP-ribosylation factor GTPase activating protein 1 (HGNC Symbol)
Entrez gene summary
The protein encoded by this gene is a GTPase-activating protein, which associates with the Golgi apparatus and which interacts with ADP-ribosylation factor 1. The encoded protein promotes hydrolysis of ADP-ribosylation factor 1-bound GTP and is required for the dissociation of coat proteins from Golgi-derived membranes and vesicles. Dissociation of the coat proteins is required for the fusion of these vesicles with target compartments. The activity of this protein is stimulated by phosphoinosides and inhibited by phosphatidylcholine. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Jul 2013]