Tag Archives: stem cells

NAD+ and the Hallmarks of Aging Series – Part 8: Stem Cell Exhaustion

Stem cells – the source of tissue homeostasis In human tissue, there are various highly differentiated cells specialized to perform distinct functions. For example, there are red blood cells for oxygen delivery, muscle cells for movement, neural cells for signal transduction, etc.  These cells are vital for life but they are also prone to various […]