RGD Reference Report - Cloning and chromosomal localization of the gene encoding human cyclin D-binding Myb-like protein (hDMP1). - Rat Genome Database

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Cloning and chromosomal localization of the gene encoding human cyclin D-binding Myb-like protein (hDMP1).

Authors: Bodner, SM  Naeve, CW  Rakestraw, KM  Jones, BG  Valentine, VA  Valentine, MB  Luthardt, FW  Willman, CL  Raimondi, SC  Downing, JR  Roussel, MF  Sherr, CJ  Look, AT 
Citation: Bodner SM, etal., Gene 1999 Mar 18;229(1-2):223-8.
RGD ID: 727758
Pubmed: PMID:10095122   (View Abstract at PubMed)

The murine transcription factor murine cyclin D-binding Myb-like protein (mDmp1) arrests the cell cycle in G1 phase, through an activity that can be overridden by direct interaction with the D-type cyclins. Here, we describe the identification, sequence, chromosomal localization, and expression of the human cognate, hDMP1. The hDMP1 cDNA contains a 2280bp open reading frame that shares a high degree of identity with the mDmp1 coding region. The 4.4kb hDMP1 messenger RNA is ubiquitously expressed in normal human tissues, with highest levels in testis and substructures within the brain. By use of fluorescence in situ hybridization with a human genomic P1 probe, we assigned hDMP1 to chromosome 7, band q21. This chromosomal region is frequently deleted as part of the 7q-minus and monosomy 7 abnormalities of human acute myeloid leukemia (AML) and myelodysplastic syndrome (MDS). We analyzed hDMP1 copy number by fluorescence in situ hybridization in leukemic blasts from nine patients with abnormalities of the long arm of chromosome 7, and in each case one allele of the hDMP1 gene was deleted. Functional analysis of the mDmp1 protein has shown that it negatively regulates cell proliferation, which suggests that this gene is a candidate suppressor of malignant transformation. Further study will be needed to determine whether gene-specific mutations implicate hDMP1 as a tumor suppressor in acute leukemias with deletions of the long arm of chromosome 7 or in other types of human malignancy.

Objects referenced in this article
Gene DMTF1 cyclin D binding myb like transcription factor 1 Homo sapiens
Gene Dmtf1 cyclin D binding myb like transcription factor 1 Mus musculus
Gene Dmtf1 cyclin D binding myb-like transcription factor 1 Rattus norvegicus

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