Hairy/enhancer-of-split related with YRPW motif protein 1 is aprotein that in humans is encoded by theHEY1gene.[5][6][7]
This gene encodes anuclear protein belonging to the hairy and enhancer of split-related (HESR) family ofbasic helix-loop-helix (bHLH)-typetranscriptional repressors.Expression of this gene is induced by theNotch andc-Jun signal transduction pathways. Two similar and redundant genes in mouse are required for embryoniccardiovascular development, and are also implicated inneurogenesis andsomitogenesis. Alternative splicing results in multipletranscript variants.[7]
HEY1::NCOA2 fusion which may arise via a small deletion del(8)(q13.3q21.1) is highly specific for the diagnosis of mesenchymal chondrosarcoma.[8]
This article incorporates text from theUnited States National Library of Medicine, which is in thepublic domain.
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