Forkhead box protein L2

Definition:

Transcriptional regulator. Critical factor essential for ovary differentiation and maintenance, and repression of the genetic program for somatic testis determination. Prevents trans-differentiation of ovary to testis through transcriptional repression of the Sertoli cell-promoting gene SOX9 (By similarity). Has apoptotic activity in ovarian cells. Suppresses ESR1-mediated transcription of PTGS2/COX2 stimulated by tamoxifen (By similarity). Is a regulator of CYP19 expression (By similarity). Participates in SMAD3-dependent transcription of FST via the intronic SMAD-binding element (By similarity). Is a transcriptional repressor of STAR. Activates SIRT1 transcription under cellular stress conditions. Activates transcription of OSR2.

References:

[1]. Kangseok Lee, et al. Transcriptional factor FOXL2 interacts with DP103 and induces apoptosis. Biochem Biophys Res Commun. 2005 Oct 28;336(3):876-81. [Content Brief]

[2]. P Laissue, et al. Functional evidence implicating FOXL2 in non-syndromic premature ovarian failure and in the regulation of the transcription factor OSR2. J Med Genet. 2009 Jul;46(7):455-7. [Content Brief]

[3]. Fang-Ting Kuo, et al. Sumoylation of forkhead L2 by Ubc9 is required for its activity as a transcriptional repressor of the Steroidogenic Acute Regulatory gene. Cell Signal. 2009 Dec;21(12):1935-44. [Content Brief]

[4]. Bérénice A Benayoun, et al. Positive and negative feedback regulates the transcription factor FOXL2 in response to cell stress: evidence for a regulatory imbalance induced by disease-causing mutations. Hum Mol Genet. 2009 Feb 15;18(4):632-44. [Content Brief]

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