A new study in the journal Nature explains how age reshapes the blood system. In both humans and mice, a few stem cells, or “clones,” outcompete their neighbours and gradually take over blood production. The blood stem cell reservoir shrinks and becomes dominated by clones which show a preference for producing myeloid cells, immune cells linked to chronic inflammation.
The changes were detectable by age 50 and almost universal by age 60. The authors of the study suspect the loss of clone…
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News Source: www.sciencedaily.com
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