Journal
GENE
Volume 392, Issue 1-2, Pages 221-229Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.gene.2006.12.032
Keywords
transcription; retinoids; evolution; embryonal carcinoma cells
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Funding
- NICHD NIH HHS [R29 HD031117, HD31117, R01 HD031117] Funding Source: Medline
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Changes in Bone Morphogenetic Protein (BMP) 2 gene expression and activity have been linked to many pathological conditions including cancer, osteoarthritis, and birth defects. BMP2 gene polymorphisms have been linked to osteoporosis and osteoarthritis. Sp1 and related proteins are widely expressed regulators of gene expression whose transcription activating abilities vary in different cells and on different genes. We present data indicating that the ratio of Sp1 and Sp3 isoforms varies in cells that express or do not express BMP2. Furthermore, the orientation of Sp1 sites conserved between four orders of mammals influences BMP2 expression. Together our data indicate that the stoichiometry and orientation of Sp1 and Sp3 complexes on the BMP2 promoter influence BMP2 expression. (c) 2007 Elsevier B.V. All rights reserved.
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