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Biochem Biophys Res Commun. 1993 Sep 15;195(2):976-83.

PCR cloning of an orphan homeobox gene (PRH) preferentially expressed in myeloid and liver cells.

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  • 1Walther Oncology Center, Indiana University Medical Center, Indianapolis 46202.

Abstract

Homeobox genes are members of a family of transcription factors that regulate tissue development in many different organisms. We set out to identify homeobox genes that might play a role in hematopoiesis. Using degenerate oligonucleotide primers corresponding to conserved homeobox sequences in the polymerase chain reaction (PCR), we cloned from the HL60 promyelocytic cell line a homeobox gene we now designate PRH. We mapped this gene, which was not homologous to any of the previously described homeobox genes, to chromosome 10, a region outside of the known genomic homeobox clusters. Northern blot hybridization indicates that PRH is preferentially expressed in myeloid and liver cells. The structure, chromosomal location, and pattern of expression of PRH indicate that it represents an orphan homeobox gene that may regulate the lineage development of certain hematopoietic cells.

PMID:
8103988
DOI:
10.1006/bbrc.1993.2140
[PubMed - indexed for MEDLINE]
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