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Trends Genet. 2000 Apr;16(4):182-7.

Pairing SOX off: with partners in the regulation of embryonic development.

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Institute for Molecular and Cellular Biology, Osaka University, 1-3 Yamadaoka, Suita, Osaka 565-0871, Japan.


The SOX family of high-mobility group (HMG) domain proteins has recently been recognized as a key player in the regulation of embryonic development and in the determination of the cell fate. In the case of certain SOX proteins, they regulate the target genes by being paired off with specific partner factors. This partnering might allow SOX proteins to act in a cell-specific manner, which is key to their role in cell differentiation. The focus of this article is the mechanism of action of SOX proteins, in particular, how SOX proteins specifically pair off with respective partner factors and, as a consequence, select distinct sets of genes as their regulatory targets.

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