Organelle dysfunction upon asrij depletion causes aging-like changes in mouse hematopoietic stem cells.

Aging of the blood system is characterized by increased hematopoietic stem cells (HSCs) and myeloid-biased differentiation leading to higher propensity for hematological malignancies. Unraveling cell-intrinsic mechanisms regulating HSC aging could aid reversal or slowing of aging. Asrij/OCIAD1 is an evolutionarily conserved regulator of hematopoiesis and governs mitochondrial, endosomal, and proteasomal function in mammalian stem cells.