170 citations
,
January 2010 in “animal” Hair follicle growth and fiber production in animals are influenced by chemical signals, proteins, pigmentation, genetics, and nutrients.
135 citations
,
August 1994 in “Clinical Endocrinology” Most women with hirsutism or androgenic alopecia had polycystic ovaries, especially if they had irregular periods.
December 1990 in “PubMed” Different glycoconjugates are present in the outer and inner root sheaths of human hair follicles.
8 citations
,
April 2014 in “Clinical and Experimental Dermatology” Eruptive vellus hair cysts likely originate from the infrainfundibulum and sebaceous duct.
April 2018 in “Journal of Investigative Dermatology” The conclusion introduces a new way to classify skin cysts using their shape and genetic markers.
A 73-year-old woman's unusual hair loss and growth led to the discovery of a rare condition causing too much testosterone, which improved after her ovaries were removed.
4 citations
,
September 2003 in “Livestock Production Science” Epidermal growth factor reduces hair growth, but cortisol does not.
January 2024 in “Theranostics” HDAC6 helps keep ovarian follicles dormant, extending female fertility.
January 2018 in “Elsevier eBooks” The document concludes that proper diagnosis and treatment of follicular disorders are crucial, with specific treatments for conditions like acne, drug-induced eruptions, and rosacea.
1 citations
,
June 2000 in “PubMed” Osteopontin may help hair follicle growth during the catagen phase.
24 citations
,
December 2011 in “Journal of The American Academy of Dermatology” Caucasian hair is denser, but Asian hair is thicker in female pattern hair loss patients.
21 citations
,
December 2007 in “Journal of Investigative Dermatology” Hair follicles evolved from oil glands, with hair aiding secretion transport.
1 citations
,
October 2022 in “Veterinary pathology” Some canine hair follicle tumors contain amyloid deposits, with a protein called CK5 involved in their formation.
May 2025 in “Journal of the ASEAN Federation of Endocrine Societies” Postmenopausal women with unusual hair growth should be checked for ovarian tumors.
47 citations
,
July 2005 in “British Journal of Dermatology” Topical vitamin D3 does not prevent hair loss from chemotherapy.
10 citations
,
July 2000 in “PubMed” High calcium in their diet caused zinc deficiency in the goats.
10 citations
,
August 2003 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” Actinic superficial folliculitis is a unique skin condition caused by intense heat and sweating.
54 citations
,
May 1999 in “Journal of Cutaneous Pathology” Apocrine type cutaneous mixed tumors often resemble hair follicles, sebaceous glands, and apocrine glands.
1 citations
,
September 2023 in “Portuguese Journal of Dermatology and Venereology” Trichoscopy can help diagnose and decide when to biopsy folliculotropic mycosis fungoides.
3 citations
,
July 2013 in “Journal of Cutaneous Pathology” A woman's hair loss, resembling an autoimmune condition, improved after treatment, but requires ongoing checks due to potential serious associations.
April 2025 in “Journal of Investigative Dermatology” High LH levels cause hair loss by damaging and aging hair follicles.
April 2018 in “Journal of Investigative Dermatology” Mutations in Far2 mice cause hair loss due to sebaceous gland issues.
11 citations
,
January 2013 in “Indian Dermatology Online Journal” CCCA is a common, progressive hair loss condition that may not always be linked to hair care practices and requires a biopsy for diagnosis.
January 2006 in “Chinese Journal of Dermatology” Hair follicle-like structures can be created using hair cells on collagen/chitosan scaffolds.
1 citations
,
September 2023 in “Life science alliance” Vitamin D Receptor is crucial for hair follicle shrinkage and cell death, affecting hair growth.
4 citations
,
January 2018 in “Advances in Experimental Medicine and Biology” The document concludes that hair follicles have a complex environment and our understanding of it is growing, but there are limitations when applying animal study findings to humans.
January 1995 in “Skin Cancer” The outer root sheath in hair follicles changes during growth, with different keratinization processes in its layers.
3 citations
,
April 2018 in “Journal of Investigative Dermatology” CCCA may be a fibroproliferative disorder, and anti-fibrotic therapies could help.
2 citations
,
November 2020 in “The American journal of dermatopathology/American journal of dermatopathology” Sweat duct differentiation in trichilemmal cysts is very rare and can be successfully removed with surgery.
June 1999 in “Connective tissue”