1 citations
,
January 2013 in “China Animal Husbandry & Veterinary Medicine” VEGF increases in goat hair follicles during fetal development, boosting skin blood vessel density.
8 citations
,
January 2014 in “Indian Dermatology Online Journal” Trichostasis spinulosa is a common but often unnoticed skin condition involving bundled vellus hairs, especially in people with darker skin or UV exposure.
32 citations
,
February 1998 in “The journal of investigative dermatology/Journal of investigative dermatology” Two specific hair keratin genes are active during hair growth and decline as hair transitions to rest.
October 2021 in “Research Square (Research Square)” Hair follicle stem cells in hairpoor mice are disrupted, causing hair loss.
107 citations
,
May 1999 in “Archives of Dermatological Research” Basal cell carcinoma may start from parts of tiny hair follicles.
41 citations
,
October 2008 in “The American journal of pathology” Blocking a specific protein signal can make hair grow on mouse nipples.
1 citations
,
January 2014 in “International Journal of Trichology” A patient with a rare hair condition and skin disorder showed hair improvement after treatment.
87 citations
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February 2000 in “Journal of Investigative Dermatology” Stem cells in developing hair follicles move to specific areas as they mature.
May 2022 in “British Journal of Dermatology” The girl's hair condition improved on its own in 24 months.
29 citations
,
July 2003 in “Experimental Dermatology” The upper hair follicle is stable, while the lower part allows movement during hair growth.
42 citations
,
January 2014 in “BMC Genomics” Cetaceans lost hair genes to adapt to water.
12 citations
,
January 2013 in “Acta Histochemica” Junctional proteins stabilize the inner root sheath and connect the companion layer in human hair.
86 citations
,
August 2000 in “Pigment cell research” Melanocyte activity in hair follicles is linked to the hair growth cycle, being active in growth phases and inactive in rest phases.
October 2025 in “EMJ Dermatology” Histopathology is crucial for accurately diagnosing eruptive vellus hair cysts.
December 2004 in “Differentiation”
7 citations
,
November 2011 in “Skin Research and Technology” The study found a specific pattern of uneven melanin distribution on balding scalps that could help understand skin diseases caused by light exposure.
32 citations
,
December 1969 in “The Lancet” Children with marasmus have more resting hair follicles and thinner, less pigmented hair, showing long-term malnutrition.
21 citations
,
June 2004 in “Experimental Dermatology” Ber‐EP4 marks cells related to the secondary hair germ in hair follicles.
January 1994 in “Nihon Chikusan Gakkaiho” Collagen fibrils in mink skin change structure during hair growth, becoming looser and thicker in the active phase.
115 citations
,
November 2008 in “Proceedings of the National Academy of Sciences” Reptiles have genes similar to hair proteins, suggesting hair's genetic origins predate mammals.
The human scalp has different types of pigment cells in hair follicles with varying abilities to produce pigment.
134 citations
,
September 2008 in “Lasers in surgery and medicine” Low fluence photoepilation temporarily removes hair by targeting the hair follicle's pigmented area without severe damage.
January 1995 in “Skin Cancer” The outer root sheath in hair follicles changes during growth, with different keratinization processes in its layers.
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.
129 citations
,
October 2017 in “BMC Genomics” The study improved understanding of gene roles in cashmere goat hair growth, aiding future cashmere production.
65 citations
,
February 1992 in “Development” Type II keratin genes are crucial for hair follicle differentiation and have a conserved structure and expression pattern.
3 citations
,
April 1990 in “Archives of dermatology” The book reveals diverse patterns of hair growth in different species and advancements in hair and alopecia research.
June 2026 in “Communications Biology” Hoxc13 and hair keratin are needed for forming rough skin on frog mating pads.
27 citations
,
September 1988 in “PubMed” Hair follicle shape determines hair type: curly, straight, or in-between.
January 2023 in “Skin appendage disorders” Two Hispanic women developed Plica neuropathica, a condition causing tangled hair, possibly due to hair damage and various risk factors.