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Signalling through FOXP3 as an X-linked tumor suppressor
Hiroto Katoh1, Pan Zheng, Yang Liu
1Division of Immunotherapy, Department of Surgery, University of Michigan School of Medicine and Cancer Center, Ann Arbor, MI 48109, USA.
Abstract:
The FOXP3 (forkhead box P3) gene is a member of forkhead winged helix family transcription factors and functions as both a transcriptional activator and a repressor. FOXP3 dysfunction is responsible for an X-linked autoimmune syndrome: immune dysregulation, polyendopathy, enterophathy, X-linked syndrome. In addition to its role as an essential transcription factor in regulatory T cells, the FOXP3 gene is an epithelial cell-intrinsic tumor suppressor for breast and prostate cancers. We will focus on the FOXP3 signalling pathway in epithelial cells and discuss how genetic and/or epigenetic inactivation of the FOXP3 contributes to the malignant transformation of cells.
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