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Genesis. 2006 Jul;44(7):328-35.

Conditional deletion of the colony stimulating factor-1 receptor (c-fms proto-oncogene) in mice.

Author information

1
Department of Development and Molecular Biology, Center for the Study of Reproductive Biology and Women's Health, Albert Einstein College of Medicine, Bronx, New York 10461, USA.

Abstract

Colony stimulating factor-1 (CSF-1) is the primary regulator of the mononuclear phagocytic lineage acting through its transmembrane tyrosine kinase receptor, CSF-1R, that is the product of the c-fms proto-oncogene. Null mutations in either the ligand or the receptor genes result in a severe osteopetrosis as well as a number of other phenotypes, including reproductive defects and perturbations in organ development. The CSF-1R is also expressed in oocytes, myoblast progenitors, decidual, and trophoblastic cells. To distinguish cell type specific phenotypes, we have created a conditional allele of the Csf1r by placing LoxP sites around Exon 5 of the Csf1r gene in mice. Excision of this floxed sequence results in a null allele that in the homozygous state gives a phenotype indistinguishable of the complete Csf1r null mutant mouse. This conditional allele will prove extremely valuable to study the spatial and temporal roles of CSF-1R.

PMID:
16823860
DOI:
10.1002/dvg.20219
[Indexed for MEDLINE]

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