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Most cancer tissues were weakly stained or negative. Several cases of lymphomas, colorectal, ovarian, endometrial, urothelial, gastric and pancreatic cancers showed moderate cytoplasmic positivity. Cholangiocarcinomas stained stronger than hepatocellular carcinomas.
Most cancer tissues displayed weak to moderate cytoplasmic staining. A few cases of ovarian cancers showed strong positivity. Lymphomas were mainly weakly stained or negative.
GENE INFORMATION
Gene name
MST1R (HGNC Symbol)
Synonyms
CD136, CDw136, PTK8, RON
Description
Macrophage stimulating 1 receptor (HGNC Symbol)
Entrez gene summary
This gene encodes a cell surface receptor for macrophage-stimulating protein (MSP) with tyrosine kinase activity. The mature form of this protein is a heterodimer of disulfide-linked alpha and beta subunits, generated by proteolytic cleavage of a single-chain precursor. The beta subunit undergoes tyrosine phosphorylation upon stimulation by MSP. This protein is expressed on the ciliated epithelia of the mucociliary transport apparatus of the lung, and together with MSP, thought to be involved in host defense. Alternatively spliced transcript variants encoding different isoforms with different structural and biochemical properties have been described (PMID:8816464). [provided by RefSeq, Oct 2011]