81 citations,
September 2005 in “The American journal of pathology” Activin helps skin growth and healing mainly through stromal cells and affects keratinocytes based on its amount.
45 citations,
April 2013 in “Cell Transplantation” Activin B improves wound healing and hair growth by helping stem cells move using certain cell signals.
28 citations,
December 2008 in “Laboratory investigation” Activin activation in skin cells speeds up wound healing without affecting scar quality.
38 citations,
September 2011 in “PLOS ONE” Activin B helps heal skin wounds and grow hair by activating a specific cell signaling pathway.
28 citations,
July 2008 in “Developmental Biology” Smad4 is important for healthy hair follicles because it helps produce a protein needed for hair to stick together and grow.