September 2019 in “Journal of Investigative Dermatology” This study found that apple stem cell extract may selectively influence hair follicle bulge stem cell biology without cytotoxic effects in an ex vivo human hair follicle organ culture.
October 2009 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” This study demonstrates that using a K15 promoter-driven GFP labeling technique allows for the identification and characterization of epithelial stem cells in adult human hair follicles.
This study suggests that keratin 15 and Id3 proteins play distinct roles in epithelial and dermal cell activities during the regeneration stages of rat vibrissae hair follicles.
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October 2022 in “Scientific reports” This study found that nestin-expressing progenitor cells, capable of becoming ORS keratinocytes, are present in both developing and adult mouse hair follicles.
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July 2015 in “Archives of dermatological research” This study found that the spermidine analog N1-methylspermidine prolonged hair follicle growth and decreased inflammation and oxidative stress in cultured hair follicles, suggesting potential relevance for treating inflammatory scalp diseases.