The chromatin remodeller ATRX: a repeat offender in human disease.

David Clynes, Douglas R Higgs, Richard J Gibbons

Trends in biochemical sciences 2013 Sep

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The regulation of chromatin structure is of paramount importance for a variety of fundamental nuclear processes, including gene expression, DNA repair, replication, and recombination. The ATP-dependent chromatin-remodelling factor ATRX (α thalassaemia/mental retardation X-linked) has emerged as a key player in each of these processes. Exciting recent developments suggest that ATRX plays a variety of key roles at tandem repeat sequences within the genome, including the deposition of a histone variant, prevention of replication fork stalling, and the suppression of a homologous recombination-based pathway of telomere maintenance. Here, we provide a mechanistic overview of the role of ATRX in each of these processes, and propose how they may be connected to give rise to seemingly disparate human diseases. 2013 Elsevier Ltd. All rights reserved

Citation

David Clynes, Douglas R Higgs, Richard J Gibbons. The chromatin remodeller ATRX: a repeat offender in human disease. Trends in biochemical sciences. 2013 Sep;38(9):461-6