Direct stimulation of cells expressing receptors for macrophage colony-stimulating factor (CSF-1) by a plasma membrane-bound precursor of human CSF-1.

Abstract

Secreted forms of macrophage colony-stimulating factor (M-CSF or CSF-1) are generated by proteolytic cleavage of membrane-bound glycoprotein precursors. Alternatively spliced transcripts of the human CSF-1 gene encode at least two different transmembrane precursors that are differentially processed in mammalian expression systems. The larger precursor… (More)

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