期刊
GENOMICS
卷 82, 期 5, 页码 553-560出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/S0888-7543(03)00178-2
关键词
brain; transcription factors; homeodomain proteins; gene expression regulation; molecular sequence data; mice, transgenic; cell lineage
资金
- NHLBI NIH HHS [HL61475] Funding Source: Medline
- NIDDK NIH HHS [DK59176] Funding Source: Medline
- NATIONAL HEART, LUNG, AND BLOOD INSTITUTE [R01HL061475] Funding Source: NIH RePORTER
- NATIONAL INSTITUTE OF DIABETES AND DIGESTIVE AND KIDNEY DISEASES [R01DK059176] Funding Source: NIH RePORTER
The murine Pax7 gene has emerged as an important regulator of neural and somite development. It is expressed in discrete domains of the central nervous system, including cranial neural crest, dorsal neural tube, and mesencephalic tectum, pretectum, and base, and at the midbrain-hindbrain boundary. It is also expressed by nasal epithelia and neural crest-derived facial structures. Here, we define the 5' end of the cDNA for murine Pax7 and identify the transcriptional start site. We clarify gene structure and the murine coding sequence, and we define regions of noncoding sequence that are conserved between mice and humans. Using transgenic approaches, we identify upstream and intronic regulatory elements that confer distinct domains of neural expression in the cranial neural crest, facial mesenchyme, mesencephalon, and pontine reticular nucleus. These enhancer regions will be useful for gene expression studies and for the identification of upstream regulators of Pax7 expression. (C) 2003 Elsevier Inc. All rights reserved.
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