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Macrophage-stimulating protein (MSP) is a member of the hepatocyte growth factor-scatter factor (HGF-SF) family. Labeled MSP bound to Madin-Darby canine kidney (MDCK) cells transfected with complementary DNA encoding Ron, a cell membrane protein tyrosine kinase. Cross-linking of 125I-labeled MSP to transfected cells (MDCK-RE7 cells) and immunoprecipitation(More)
Macrophage stimulating protein (MSP) was purified to homogeneity from human blood plasma by selection of biologically active fractions obtained by sequential immunoaffinity and high pressure liquid ion exchange chromatography. By sodium dodecyl sulfate-polyacrylamide gel electrophoresis the molecular mass of MSP was 70 kilodaltons (kD); under reducing(More)
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