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Subsets of cells in prostate cancer displayed strong staining. Several cases of breast, skin and testicular cancers showed weak to moderate immunoreactivity. Remaining cancers were mainly negative.
Cancer tissues displayed weak to moderate cytoplasmic positivity. Strong staining was observed in several cases of carcinoids, ovarian, urothelial and pancreatic cancers. Several lymphomas and endometrial cancers were negative.
Guanine nucleotide dissociation stimulators (GDSs, or exchange factors), such as RALGDS, are effectors of Ras-related GTPases (see MIM 190020) that participate in signaling for a variety of cellular processes.[supplied by OMIM, Nov 2010]