CCR5 marks a subset of mouse hematopoietic stem cells that are myeloid primed and expand with age

Proceedings of the National Academy of Sciences, Volume 123, Issue 3, January 2026. <br/>SignificanceHematopoietic stem cells (HSCs) are multipotent cells that give rise to all types of blood cells. However, HSCs experience a loss in potency in mammals with old age and become myeloid biased, yielding more myeloid cells instead of a balanced …