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Trends Genet. 1991 Nov-Dec;7(11-12):398-402.

Mitogenic response to colony-stimulating factor 1.

Author information

1
Howard Hughes Medical Institute, Department of Tumor Cell Biology, St Jude Children's Research Hospital, Memphis, TN 38105.

Abstract

The proliferative effects of colony-stimulating factor 1 (CSF-1) on cells of the mononuclear phagocyte lineage are mediated by the CSF-1 receptor tyrosine kinase, which triggers intracellular signal transduction through multiple second messenger pathways. CSF-1 is required throughout G1 to stimulate both immediate- and delayed-early responses that ensure entry of macrophages into S phase. Because CSF-1 induces the expression of different sets of cellular genes during early and late G1, products of the immediate-early response might modulate the effects of ensuing receptor signals to facilitate G1 progression. Targets of the delayed-early response include novel cyclin genes that may play a role in S phase commitment.

PMID:
1840317
DOI:
10.1016/0168-9525(91)90263-p
[Indexed for MEDLINE]

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