38 citations
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August 2012 in “Biochemical and biophysical research communications” Human leukocytes and beard hair follicle cells have internal daily clocks, and PER1 and PER3 genes may indicate individual circadian rhythms.
124 citations
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April 1992 in “Journal of Endocrinology/Journal of endocrinology” Beard hair follicles have more androgen receptors than non-balding scalp hair follicles.
December 2022 in “Nature Communications” Bead-jet printing of stem cells improves muscle and hair regeneration.
12 citations
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January 2019 in “Sleep medicine” Night shift work disrupts the body's natural clock genes.
December 2022 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” 34 citations
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July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Human hair growth is influenced by androgen hormones, and red deer mane follicles have similar hormone receptors.
41 citations
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June 2006 in “Journal of Investigative Dermatology” Beard and scalp hair cells have different gene expressions, which may affect beard growth characteristics.
51 citations
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November 1998 in “The journal of investigative dermatology/Journal of investigative dermatology” Beard cells, unlike scalp cells, produce growth factors in response to testosterone, which may explain differences in hair growth.
51 citations
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May 2019 in “Biomaterials” Researchers developed a method to grow hair follicles using special beads that could help with hair loss treatment.
February 2024 in “Current Medicinal Chemistry” Minoxidil nanocrystals improved hair growth in mice more effectively and safely than regular Minoxidil.
67 citations
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August 2005 in “Journal of Investigative Dermatology Symposium Proceedings” Androgens promote beard growth but cause hair loss in androgenetic alopecia, with TGF-β1 as a potential treatment target.
38 citations
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April 2005 in “Journal of Investigative Dermatology” Human hair follicle cells can become fat and bone cells, useful for therapy.
25 citations
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July 1994 in “Journal of dermatological science” Testosterone affects hair follicles differently across body sites, with beard hair follicles showing more activity of a specific enzyme and presence of androgen receptors compared to scalp hair.
24 citations
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January 1989 Human papilla cells from hair follicles show unique growth behaviors but don't induce hair growth in vitro.
77 citations
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March 2001 in “Clinics in Dermatology” Androgenetic alopecia involves genetics, hormones, and can be treated with medications or surgery.
January 2019 in “Institutional Repositories DataBase (IRDB)” Hair follicles and skin structures were successfully regenerated in the lab using specific cell arrangements and mechanical conditions.
March 2010 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Beard hair medulla cells have a unique and varied keratin pattern.
4 citations
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January 2015 in “International Journal of Trichology” Transplanted hair follicles can change and adapt to new areas of the body, with the immune system possibly playing a role in this adjustment.
87 citations
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July 2009 in “The journal of investigative dermatology/Journal of investigative dermatology” Human beard hair medulla contains a unique and complex mix of keratins not found in other human tissues.
49 citations
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March 2004 in “Journal of Investigative Dermatology” The hHa7 gene is regulated by androgens in certain body hair, not scalp hair.
January 2016 in “프로그램북(구 초록집)” Hormones and neuropeptides affect hair growth, with androgens having opposite effects on beard and scalp hair.
23 citations
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February 2003 in “British Journal of Dermatology” A rare type of skin lymphoma was identified, affecting hair follicles and sweat glands.
65 citations
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May 2006 in “Journal of Investigative Dermatology” Dexamethasone may influence hair growth by altering estrogen receptor activity in hair cells.
January 1999 in “Journal of S C C J” Certain growth factors regulate hair growth cycles, male hormones affect hair cycles, and drugs like Minoxidil and Finasteride can stimulate hair growth and inhibit male pattern baldness respectively.
June 2016 in “Experimental Dermatology” Changing hair follicle identity could potentially reverse balding.
4 citations
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July 2006 in “British journal of dermatology/British journal of dermatology, Supplement” Testosterone increases hair follicle cell growth when beard or axillary skin cells are present together.
6 citations
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November 2022 in “Journal of autoimmunity” JAK inhibitors like tofacitinib may effectively treat Alopecia Areata.
4 citations
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May 2019 in “Journal of The European Academy of Dermatology and Venereology” Hair loss treatment caused more hair loss in a man.
2 citations
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January 2004 in “Enshou saisei” Male pattern baldness is caused by certain cells in hair follicles and could potentially be treated by targeting a specific growth factor, TGF-β1.
3 citations
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April 2016 in “International Journal of Dermatology” A young man was diagnosed with trichoepitheliomas, causing thick skin and hair loss.