ArticleNucleic acids research2026
FOXC2 represses NFAT1-dependent transcription through a DNA-facilitated protein-protein interaction.
Article in Nucleic acids research, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- Out"FOX"ing cancer: the implications of FOXC2 as a putative predictive biomarker for cancer immunotherapy.Frontiers in medicine · 2026Article
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Authors and funding
14 authors.
Funding
Abstract
Transcription factor nuclear factor of activated T cells (NFAT) plays a central role in immune gene regulation through cooperative interactions with diverse transcriptional partners. While FOXP family members have been identified as co-regulators of NFAT1, the involvement of other FOX family proteins has remained mechanistically obscure. Here, we solved three crystal structures of NFAT1-RHR/FOXC2-DBD/ARRE DNA ternary complexes and uncovered an unexpected mode of transcriptional repression mediated by FOXC2 through direct, DNA-facilitated binding to the V-shaped groove of NFAT1's Rel-homology region (RHR). Biochemical assays revealed that DNA enhanced FOXC2-NFAT1 interaction by more than five-fold, supporting a model in which DNA acts as a structural co-factor that promotes complex formation. Mutational disruption of the FOXC2-NFAT1 interface impaired complex assembly and abrogated transcriptional repression. Functional assays further confirmed that FOXC2 suppressed NFAT1-driven transcription of multiple cytokines and chemokines, including IL2, TNF, CXCL5, and CCL2. Notably, this repressive mechanism was found to extend to other FOX proteins (FOXI1, FOXO1, and FOXK1), suggesting a broader paradigm of FOX-NFAT1 interaction. Our study defined a previously unrecognized FOX-mediated transcriptional repression mechanism and provides a structural framework for NFAT inhibition by FOX proteins, offering novel insights into the transcriptional regulation of immune-related genes.
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