Transcription factor SOX-30
Definition:
Acts as both a transcriptional activator and repressor. Binds to the DNA sequence 5'-ACAAT-3' and shows a preference for guanine residues surrounding this core motif. Binds to its own promoter and activates its own transcription (By similarity). Required to activate the expression of postmeiotic genes involved in spermiogenesis (By similarity). Binds to the promoter region of CTNNB1 and represses its transcription which leads to inhibition of Wnt signaling. Also inhibits Wnt signaling by binding to the CTNNB1 protein, preventing interaction of CTNNB1 with TCF7L2/TCF4.
References:
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[1]. E Osaki, et al. Identification of a novel Sry-related gene and its germ cell-specific expression. Nucleic Acids Res. 1999 Jun 15;27(12):2503-10. [Content Brief]
[2]. Fei Han, et al. SOX30 Inhibits Tumor Metastasis through Attenuating Wnt-Signaling via Transcriptional and Posttranslational Regulation of β-Catenin in Lung Cancer. EBioMedicine. 2018 May;31:253-266. [Content Brief]
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