April 2017 in “Journal of Investigative Dermatology” Sweat glands and hair follicles are determined by opposing signals, with BMPs promoting sweat glands and blocking BMPs leading to hair follicles.
December 2025 in “Russian Journal of Skin and Venereal Diseases” Hair follicles are thinner in alopecia patients, especially in alopecia areata.
23 citations
,
July 1997 in “British Journal of Dermatology” The inner root sheath is vital for hair follicle stability during growth changes.
96 citations
,
December 1995 in “Journal of Investigative Dermatology” 33 citations
,
March 2015 in “Experimental Dermatology” LHX2 and SOX9 identify unique hair follicle cell groups, crucial for hair maintenance.
42 citations
,
February 1996 in “Journal of Investigative Dermatology” Polyamines, especially spermidine, are essential for hair growth.
14 citations
,
May 1979 in “International Journal of Dermatology” Trichostasis spinulosa mainly affects the nose, with many tiny hairs in one follicle, possibly influenced by hormones and sunlight.
13 citations
,
April 1994 in “Journal of Investigative Dermatology” Androgen receptors found in monkey scalps, similar to humans, affect hair growth.
41 citations
,
January 2001 in “Journal of Investigative Dermatology” 71 citations
,
June 1993 in “Journal of Investigative Dermatology” January 1987 in “Data Archiving and Networked Services (DANS)” Hair follicles are useful for studying human cell changes.
November 2025 in “Frontiers in Cell and Developmental Biology” The study maps goat hair follicle cells, revealing key genes and pathways involved in hair growth and cell death.
2 citations
,
March 2014 in “Veterinary World” Indian bison, black buck, and nilgai have distinct hair follicle patterns useful for species identification.
12 citations
,
February 1997 in “British Journal of Dermatology” The enzyme type 1 5α-reductase is more active in the hair follicle's lower part than in the skin's outer layer.
May 2003 in “Journal of Investigative Dermatology” The meeting covered advances in understanding hair growth, causes of hair loss, and potential treatments.
6 citations
,
January 2021 in “Journal of the mechanics and physics of solids/Journal of the Mechanics and Physics of Solids” The model shows that factors like follicle shape and stiffness are key for hair growth and anchoring.
March 1990 in “Journal of Dermatological Science”
66 citations
,
August 2001 in “Experimental Dermatology” Human hair follicle cells can grow hair when put into mouse skin if they stay in contact with mouse cells.
30 citations
,
January 1994 in “Micron” Mature hair surfaces are formed by keratinized cells with developed layers, not just modified plasma membranes.
15 citations
,
July 2017 in “PubMed” Injecting a mix of human skin and hair cells into mice can grow new hair.
January 2019 in “Journal of Entomology and Zoology Studies” Ruminant goats have larger and more defined hair follicles than younger goats.
23 citations
,
December 1991 in “Annals of the New York Academy of Sciences” Balding scalps slow down hair growth.
6 citations
,
January 1994 in “PubMed” The molecular mechanisms controlling hair growth phases are not fully understood yet.
July 2025 in “Journal of Investigative Dermatology” Miniaturized hair follicles in androgenetic alopecia show abnormal mitochondrial activity and damage.
3 citations
,
November 2021 in “Frontiers in Medicine” Advanced male pattern baldness affects the back of the scalp, reducing hair follicles.
January 2025 in “BMC Genomics” Key genes and RNA networks regulate hair growth and follicle density in Rex rabbits.
March 2012 in “Journal of The American Academy of Dermatology” Dermoscopy helps diagnose different hair loss conditions, and characteristics vary among ethnicities and individual cases.
7 citations
,
January 1989 Minoxidil and 4-MA can help treat hair loss.
93 citations
,
May 1990 in “The EMBO Journal” Mice with extra sheep genes had hair that fell out and regrew in cycles.
125 citations
,
September 2001 in “The FASEB Journal” Stress can cause hair loss by negatively affecting hair follicles and this effect might be reversed with specific treatments.