Mast cell growth factor maps near the steel locus on mouse chromosome 10 and is deleted in a number of steel alleles

Neal G. Copeland, Debra J. Gilbert, Brian C. Cho, Peter J. Donovan, Nancy A. Jenkins, David Cosman, Dirk Anderson, Stewart D. Lyman, Douglas E. Williams

Research output: Contribution to journalArticlepeer-review

571 Scopus citations

Abstract

Many spontaneous, chemical-induced radiation-induced dominant white spotting (W) and steel (SI) mutations have been identified in the mouse. W and SI mutations have similar phenotypic effects including deficiencies in pigment cells, germ cells, and blood cells. Numerous studies have suggested that W acts within the affected cell while SI instead exerts its effects in the extracellular environment. Recent findings demonstrating that W encodes the c-kit proto-oncogene, a tyrosine kinase membrane receptor, have suggested that SI encodes a ligand for c-Kit. In the accompanying article we report the identification and purification of mast cell growth factor (MGF), a c-Kit ligand. Here we describe the cloning of sequences encoding MGF. Furthermore, we show that Mgt maps near SI In the distal region of mouse chromosome 10 and is deleted in a number of SI alleles. These findings strongly support the notion that SI encodes the mast cell growth factor.

Original languageEnglish (US)
Pages (from-to)175-183
Number of pages9
JournalCell
Volume63
Issue number1
DOIs
StatePublished - Oct 5 1990

ASJC Scopus subject areas

  • General Biochemistry, Genetics and Molecular Biology

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