April 2018 in “Radiotherapy and Oncology” Prostaglandin helps regenerate hair follicles after radiation damage.
159 citations
,
December 2007 in “American Journal of Pathology” Stress-related substance P may lead to hair loss and negatively affect hair growth.
95 citations
,
July 2006 in “British Journal of Dermatology” Vitamin D receptors in hair follicles change with the hair cycle, affecting hair growth.
27 citations
,
October 1998 in “Differentiation” Basonuclin helps identify and track hair follicle development and cycling in mice.
20 citations
,
January 1995 in “Cells tissues organs” Changing light periods synchronized wool growth cycles in sheep.
18 citations
,
April 2021 in “Experimental Dermatology” COVID-19 may cause hair loss and scalp pain due to inflammation and changes in hair follicle receptors, but these symptoms typically resolve in 2 to 4 months.
14 citations
,
February 2011 in “Experimental dermatology” A protein called COMP is part of the connective tissue in normal human hair follicles and may be important for hair health.
2 citations
,
September 1978 in “Anatomia Histologia Embryologia” Alkaline phosphatase activity in Beagle dog hair follicles is weakest in anagen and strongest in telogen.
1 citations
,
June 2000 in “PubMed” Osteopontin may help hair follicle growth during the catagen phase.
November 2022 in “Journal of Investigative Dermatology” The fragrance cyclohexyl salicylate helps promote hair growth and increase hair stem cell numbers.
November 2022 in “DOAJ (DOAJ: Directory of Open Access Journals)” COVID-19 may cause hair loss months after infection.
April 2018 in “Journal of Investigative Dermatology” Glycogen metabolism is important for energy and processes in human hair follicles, and hair follicles may produce glucose from lactate.
May 2012 in “International Journal of Dermatology and Venereology” Hair growth and development are controlled by complex signaling pathways.
April 2012 in “Cancer Research” EGFR deficiency in skin causes hair follicle issues and inflammation.
January 1998 in “Differentiation” Basonuclin is crucial for hair follicle development and cycling in mice.
April 2023 in “Journal of Investigative Dermatology” Proper cell death regulation is crucial for normal hair follicle regeneration and skin remodeling.
990 citations
,
October 1999 in “Development” Activated LEF/TCF complexes are crucial for hair development and cycling.
6 citations
,
January 2019 in “Biochemical and Biophysical Research Communications” Sox13 is a useful marker for early hair follicle development but not essential for hair growth.
4 citations
,
January 2014 in “PubMed” Hair growth is controlled by cycles influenced by hormones and various signals.
The study found that different genes are active in cashmere goats' hair growth stages, which can help improve cashmere production.
September 2025 in “bioRxiv (Cold Spring Harbor Laboratory)” Non-invasive methods can effectively monitor hair growth cycles, aiding hair loss treatment development.
Erythropoietin overexpression disrupts hair growth and fat formation in mice.
April 2023 in “Journal of Investigative Dermatology” IL-9/IL-9R signaling can negatively affect human hair growth and may be a target for treating hair loss conditions.
106 citations
,
June 2005 in “Journal of Investigative Dermatology” The document concludes that assessing hair follicle damage due to cyclophosphamide in mice involves analyzing structural changes and suggests a scoring system for standardized evaluation.
1 citations
,
July 2024 in “Journal of Investigative Dermatology” MPZL3 protein affects hair growth cycles and could help manage hair loss.
November 2025 in “Journal of Clinical Medicine” The drinkable supplement reduced hair shedding and increased hair growth in women.
54 citations
,
April 2019 in “Journal of cellular physiology” miR-218-5p helps skin and hair growth by targeting SFRP2 and activating a specific signaling pathway.
17 citations
,
December 2001 in “Journal of Investigative Dermatology” The osteopontin gene is active in a specific part of rat hair follicles during a certain hair growth phase and might affect hair cycle and diseases.
4 citations
,
August 2019 in “General and Comparative Endocrinology” Male yak hair growth is influenced by DHT synthesis, which is promoted by 5α-red1 and AR during growth phases, while E2 may inhibit growth through ERα.
94 citations
,
August 1975 in “Journal of Cutaneous Pathology” Male pattern baldness involves smaller hair follicles, larger oil glands, and other tissue changes, but not major blood supply issues.