Regulation of endochondral ossification by transcription factors.
Summary of "Regulation of endochondral ossification by transcription factors."
Endochondral ossification is very unique and complex biological event which is associated with skeletal development and tissue partnering. Genetic studies and gene-targeting approaches identified several transcription factors that play important roles in endochondral ossification. These transcription factors sequentially and harmoniously regulate each step of endochondral ossification, and consequently maintain the spatio-temporal control of the program. Importantly, these transcription factors form large protein complex to control chromatin remodeling, histone modification, transcription and splicing steps during endochondral ossification. It is also important to understand how these transcription factors regulate expression of their target genes. Biochemical and molecular cloning techniques largely contributed to identification of the components of the transcriptional complex and the target genes. Most recently, importance of endoplasmic reticulum (ER) stress in endochondral ossification has been reported. A transcription factor, BBF2H7, functions as an ER stress sensor in chondrocytes through regulation of appropriate secretion of chondrogenic matrices. We would like to discuss how the transcription factors regulate endochondral ossification.
Osaka University Graduate School of Dentistry, Molecular and Cellular Biochemistry, 1-8 Yamadaoka, Suita, Osaka 565-0871, Japan.
This article was published in the following journal.
Name: Frontiers in bioscience : a journal and virtual library
Medical and Biotech [MESH] Definitions
E2f Transcription Factors
A family of basic helix-loop-helix transcription factors that control expression of a variety of GENES involved in CELL CYCLE regulation. E2F transcription factors typically form heterodimeric complexes with TRANSCRIPTION FACTOR DP1 or transcription factor DP2, and they have N-terminal DNA binding and dimerization domains. E2F transcription factors can act as mediators of transcriptional repression or transcriptional activation.
Arntl Transcription Factors
Basic helix-loop-helix (bHLH) domain-containing proteins that play important roles in CIRCADIAN RHYTHM regulation. They combine with CLOCK PROTEINS to form heterodimeric transcription factors that are specific for E-BOX ELEMENTS and stimulate the transcription of several E-box genes that are involved in cyclical regulation.
Soxb1 Transcription Factors
A subclass of SOX transcription factors that are expressed in neuronal tissue where they may play a role in the regulation of CELL DIFFERENTIATION. Members of this subclass are generally considered to be transcriptional activators.
Soxb2 Transcription Factors
A subclass of SOX transcription factors that are expressed in neuronal tissue where they may play a role in the regulation of CELL DIFFERENTIATION. Members of this subclass are generally considered to be transcriptional repressors.
Maf Transcription Factors
Maf transcription factors are a family of basic-leucine zipper transcription factors that are closely related to V-MAF ONCOGENE PROTEIN. The C-MAF PROTO-ONCOGENE PROTEIN was the first mammalian Maf transcription factor identified, and now the family is known to include a variety of other Maf proteins such as MAFB TRANSCRIPTION FACTOR; MAFF TRANSCRIPTION FACTOR; MAFG TRANSCRIPTION FACTOR; and MAFK TRANSCRIPTION FACTOR.
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