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
,
September 2014 in “Cell Transplantation” Activin B improves wound healing and hair growth by helping stem cells move using certain cell signals.
28 citations
,
February 2009 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
,
October 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.