73 citations
,
August 2011 in “Stem Cell Research” Human hair follicle stem cells can turn into multiple cell types but lose some of this ability after being grown in the lab for a long time.
9 citations
,
March 2013 in “ISRN Stem Cells (Online)” Skin stem cells were turned into heart cells using a chemical, suggesting a new way to treat heart attacks.
17 citations
,
April 2017 in “PLoS ONE” Hair follicle cells can become bone-like cells, useful for bone repair.
4 citations
,
September 2010 in “Medical Hypotheses” 
113 citations
,
June 2015 in “Stem Cell Research & Therapy” Wnt and Notch signaling help wound healing by promoting cell growth and regulating cell differentiation.