期刊
BIOCHIMICA ET BIOPHYSICA ACTA-GENE REGULATORY MECHANISMS
卷 1863, 期 8, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.bbagrm.2020.194578
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资金
- Deutsche Forschungsgemeinschaft
The Trithorax-related Setl H3K4 methyltransferases are conserved from yeast to human. In yeast loss of Setl causes pleiotropic effects but is compatible with life. In contrast, both mammalian Setl orthologs: SETD1A and SETD1B are essential for embryonic development, however they have distinct functions. SETD1A is required shortly after epiblast formation whereas SETD1B becomes indispensible during early organogenesis. In adult mice both SETD1A and SETD1B regulate hematopoiesis differently: SETD1A is required for the establishment of definitive hematopoiesis whereas SETD1B is important for the maintenance of long-term hematopoietic stem cells. Both are implicated in different diseases with accumulating evidence for the association of SETD1A variants in neurological disorders and SETD1B variants with cancer. Why the two paralogs cannot or only partially compensate for the loss of each other is part of the puzzle that we try to sort out in this review.
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