36 citations
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November 1990 in “The Journal of Dermatology” Dermal papillae enhance hair follicle growth and structure.
48 citations
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April 1995 in “PubMed” Testosterone helps beard and axillary hair cells grow by releasing growth factors from dermal papilla cells.
7 citations
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November 2022 in “Communications biology” Keratin injections can promote hair growth by affecting hair-forming cells and tissue development.
April 2017 in “Journal of Investigative Dermatology” The hair follicle dermal sheath is essential for hair shedding and needs to communicate with the outer root sheath for normal hair growth cycles.
198 citations
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November 1989 in “The Journal of Cell Biology” Keratin K14 expression varies between hair follicles and epidermis, affecting cell differentiation.
41 citations
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July 1994 in “Journal of Dermatological Science” Hair follicle cells need complex interactions to fully differentiate.
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.
August 2016 in “Journal of Investigative Dermatology” EZH2 is essential for hair growth and skin cell development.
63 citations
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July 2006 in “British Journal of Dermatology” Psoriasis causes changes in certain keratins and shrinks sebaceous glands in the scalp.
1 citations
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July 2009 in “Journal of dermatology” A 29-year-old man had a jaw plaque diagnosed as follicular mucinosis, linked to nestin-positive hair follicle stem cells.
198 citations
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March 1999 in “Journal of Investigative Dermatology” Keratin 15 helps maintain tissue integrity and is reduced in activated keratinocytes.
43 citations
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February 2008 in “Journal of cutaneous pathology” Melanocyte precursors in human fetal skin follow a specific migration pattern and some remain in the skin's deeper layers.
28 citations
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March 2019 in “Journal of Dermatological Science” The document concludes that while lab results for hair growth promotion are promising, human trials are needed and better testing methods should be developed.
6 citations
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January 1994 in “Skin Pharmacology and Physiology” Dermal papillae are crucial for hair growth and follicle development.
3 citations
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July 1990 in “PubMed” Human hair follicles can grow and form structures in a collagen gel, useful for studying hair cell growth.
29 citations
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October 2010 in “Journal of Investigative Dermatology” Activating Kras in mouse skin causes excess skin and hair loss.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” Developing hair follicles form from ring-shaped patterns, with future stem cells originating from the outer ring, not the upper layers, as previously thought.
86 citations
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June 1998 in “Journal of Investigative Dermatology” The hairless gene mutation causes baldness by disrupting hair follicle structure.
40 citations
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March 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” Growing hair follicles have high mitochondrial activity and ROS in specific regions, aiding hair formation.
18 citations
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January 2019 in “European journal of histochemistry” Cattle skin has leptin which might control skin and hair growth.
13 citations
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January 2002 in “Biochemical and biophysical research communications” Interferon β from hair cells stops the growth of other hair cells.
6 citations
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January 2019 in “Biochemical and Biophysical Research Communications” Sox13 is a useful marker for early hair follicle development but not essential for hair growth.
March 2010 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Beard hair medulla cells have a unique and varied keratin pattern.
45 citations
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December 2007 in “The FASEB journal” There are two types of stem cells in rodent hair follicles, each with different keratin proteins.
December 2025 in “Doğu Fen Bilimleri Dergisi” Vimentin, desmin, and laminin help maintain rat skin structure.
TGF-β1 and 2 in hair follicles may be linked to hair loss in AGA.
2 citations
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November 2003 in “Humana Press eBooks” Hair follicle cells can help heal wounds and study skin diseases.
1 citations
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January 2017 The document outlines criteria to identify and differentiate neoplasms based on follicular characteristics.
120 citations
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August 2008 in “The journal of investigative dermatology/Journal of investigative dermatology” Cytokeratin 19 and cytokeratin 15 are key markers for monitoring the quality and self-renewing potential of engineered skin.
130 citations
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June 2003 in “Journal of Investigative Dermatology Symposium Proceedings” Estrogen Receptor ß (ERß) is the main hormone controller in human skin and hair follicles, not Estrogen Receptor α (ERα) or the Androgen Receptor (AR).