TET mediated epigenetic regulation of iNKT cell lineage fate choice and function


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Abstract

HighlightsiNKT subsets are defined by expression of lineage specifying transcription factors.Epigenetic mechanisms are critical for regulating gene expression.DNA methyltransferases and TET proteins control the dynamics of DNA methylation.TET proteins exert multifaceted roles in regulating gene expression.iNKT cell lineage specification is controlled by TET proteins.During the last years, intensive research has shed light in the transcriptional networks that shape the invariant NKT (iNKT) cell lineage and guide the choices towards functionally distinct iNKT cell subsets (Constantinides and Bendelac, 2013; Engel and Kronenberg, 2014; Gapin, 2016; Kim et al., 2015). However, the epigenetic players that regulate gene expression and orchestrate the iNKT cell lineage choices remain poorly understood. Here, we summarize recent advances in our understanding of epigenetic regulation of iNKT cell development and lineage choice. Particular emphasis is placed on DNA modifications and the Ten Eleven Translocation (TET) family of DNA demethylases.

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