33 citations
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August 1993 in “FEBS Letters” This study identified a new enzyme, skin l‐tryptophan‐2,3‐dioxygenase, that may play a role in rat hair growth regulation, showing increased activity during peak hair growth periods.
April 2010 in “Cancer Research” This study found significant upregulation of IDO-1 and IDO-2 in human basal cell carcinomas, suggesting that IDO production may confer immune privilege characteristics to the tumors, potentially impacting their growth.
4 citations
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April 2010 in “Expert review of dermatology” This article discusses the immune privilege in hair follicles and suggests that restoring its collapse might be an effective strategy for treating alopecia areata and cicatricial alopecia, but it reports no new clinical results.
34 citations
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March 2020 in “BMC plant biology” This study found that cotreatment with graphene oxide and indole-3-acetic acid significantly inhibited root development in Brassica napus, with the inhibition increasing as indole-3-acetic acid concentration rose.
November 2025 in “Stem Cell Research & Therapy” This study suggests that human DSCCs may aid in hair follicle regeneration and reduce microinflammation, with potential applications in regenerative medicine evaluated through a new morphometric analysis.