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Aged Murine Hematopoietic Stem Cells Drive Aging-Associate Immune Remodeling, Hanna Leins, Medhanie Mulaw, Karina Eiwen, Vadim Sakk, Ying Liang, Michael Denkinger, Hartmut Geiger, Reinhold Schirmbeck
Aged Murine Hematopoietic Stem Cells Drive Aging-Associate Immune Remodeling, Hanna Leins, Medhanie Mulaw, Karina Eiwen, Vadim Sakk, Ying Liang, Michael Denkinger, Hartmut Geiger, Reinhold Schirmbeck
Toxicology and Cancer Biology Faculty Publications
Aging-associated remodeling of the immune system impairs its functional integrity and contributes to increased morbidity and mortality in the elderly. Aging of hematopoietic stem cells (HSCs), from which all cells of the adaptive immune system ultimately originate, might play a crucial role in the remodeling of the aged immune system. We recently reported that aging of HSCs is, in part, driven by elevated activity of the small RhoGTPase Cdc42 and that aged HSCs can be rejuvenated in vitro by inhibition of the elevated Cdc42 activity in aged HSCs with the pharmacological compound CASIN. To study the quality of immune systems …