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Nat Commun. 2015 Oct 14;6:8516. doi: 10.1038/ncomms9516.

Sleep disruption impairs haematopoietic stem cell transplantation in mice.

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Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, California 94305, USA.
Rappaport Medical School, Technion, Israel Institute of Technology, Haifa 31096, Israel.
Institute for Stem Cell Biology and Regenerative Medicine, Stanford University, Stanford, California 94305, USA.
Department of Biology, Stanford University, Stanford, California 94305, USA.


Many of the factors affecting the success of haematopoietic cell transplantation are still unknown. Here we show in mice that donor sleep deprivation reduces the ability of its haematopoietic stem cells (HSCs) to engraft and reconstitute the blood and bone marrow of an irradiated recipient by more than 50%. We demonstrate that sleep deprivation downregulates the expression of microRNA (miR)-19b, a negative regulator of the suppressor of cytokine signalling (SOCS) genes, which inhibit HSC migration and homing. Accordingly, HSCs from sleep-deprived mice have higher levels of SOCS genes expression, lower migration capacity in vitro and reduced homing to the bone marrow in vivo. Recovery of sleep after sleep deprivation restored the reconstitution potential of the HSCs. Taken together, this study provides insights into cellular and molecular mechanisms underlying the effects of sleep deprivation on HSCs, emphasizing the potentially critical role of donor sleep in the success of bone marrow transplantation.

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