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Characterisation and Developmental Expression of Mouse Plu-1, a Homologue of a Human Nuclear Protein (PLU-1) Which Is Specifically Up-Regulated in Breast Cancer

Characterisation and Developmental Expression of Mouse Plu-1, a Homologue of a Human Nuclear Protein (PLU-1) Which Is Specifically Up-Regulated in Breast Cancer

Bente Madsen, Bradley Spencer-Dene, Richard Poulsom, Debbie Hall, Pei Juan Lu, Kate Scott, Anthony T Shaw, Joy M Burchell, Paul Freemont, Joyce Taylor-Papadimitriou

Gene Expr Patterns. 2002 Dec;2(3-4):275-82.

PMID: 12617814

Abstract:

PLU-1 is a novel breast cancer associated nuclear protein containing highly conserved domains including the PLU domain, putative DNA/chromatin binding motifs, and PHD/LAP domains. Here we report the cloning of the mouse homologue (Plu-1), and document its expression in adult tissues, mammary tumours and the embryo. The overall homology with human PLU-1 is 94% at the protein level, with almost 100% identity in the conserved domains, suggesting functional conservation. As with human PLU-1 the expression of Plu-1 in adult tissues is restricted, with high expression being seen only in testis, while expression in mammary tumours from c-neu transgenic mice is high. Plu-1 is also differentially expressed in the adult mammary gland. In the developing embryo Plu-1 is expressed in a temporally restricted fashion with tissue specific expression being limited to parts of the developing brain, whisker follicle, mammary bud, thymus, limbs, intervertebral disc, olfactory epithelium, teeth, eye, and stomach. The temporal and spatial expression patterns of the transcription factors Bf-1 and Pax9, recently found to bind to PLU-1 through the PLU domain overlap with Plu-1 expression during development. Thus Plu-1 appears to play an important role in mouse embryonic development which may involve interaction with Pax9 and Bf-1.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
IAR42416068	PLU-1 human			Price

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