29 citations
,
July 2003 in “Experimental Dermatology” The upper hair follicle is stable, while the lower part allows movement during hair growth.
22 citations
,
September 2001 in “Journal of Investigative Dermatology” S100A8 and S100A9 proteins help form hair shafts during growth.
18 citations
,
July 2006 in “British Journal of Dermatology” Connexin 30 is usually absent in normal skin but can appear in certain skin conditions.
15 citations
,
November 2009 in “Journal of Comparative Pathology” Epidermolysis bullosa in calves was not caused by mutations in the keratin genes bKRT5 and bKRT14.
11 citations
,
August 1987 in “Archives of Dermatology” Langerhans' cells are not involved in hair depigmentation in these mice.
9 citations
,
October 2022 in “Nature Communications” The DiLiCre mouse model is an effective tool for precise genome editing using light.
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.
7 citations
,
March 2003 in “PubMed” The scalp has a natural speckled pattern of increased pigment around hair follicles, possibly linked to local hormone production.
6 citations
,
December 1990 in “PubMed” Keratinocytes in hair follicles differentiate similarly to skin cells, with specific patterns in different regions.
4 citations
,
April 2024 in “Clinical Cosmetic and Investigational Dermatology” Trichoscopy helps distinguish between scalp Discoid Lupus Erythematosus and Lichen Planopilaris for accurate diagnosis and treatment.
April 2023 in “Journal of Investigative Dermatology” Aging changes skin cells, leading to different DNA methylation and gene activity, affecting cell metabolism and aging signs.
November 2022 in “bioRxiv (Cold Spring Harbor Laboratory)” Researchers identified new cell types and genes in early hair follicle development.
March 2022 in “Veterinary dermatology” A one-year-old cat had multiple benign skin tumors similar to those known in humans.
September 2021 in “Morphologia” Dermal fibroblasts have at least three distinct types, each with unique roles in skin structure and hair development.
June 2021 in “bioRxiv (Cold Spring Harbor Laboratory)” KIF18B is important for correctly positioning cell division machinery in skin cells, affecting hair follicle development.
May 2015 in “Immunology Endocrine & Metabolic Agents - Medicinal Chemistry” Vitamin D and calcium are essential for effective wound healing.
April 2012 in “Cancer Research” Stat3 influences keratinocyte stem cell behavior, affecting differentiation and migration.
January 2007 in “Bristol Research (University of Bristol)” Epidermolysis bullosa in UK calves is not caused by mutations in keratin genes.
56 citations
,
November 2010 in “Pigment Cell & Melanoma Research” Brain hormones significantly affect hair color and could potentially be used to prevent or reverse grey hair.
128 citations
,
February 1992 in “British Journal of Dermatology” Basal cell carcinomas likely originate from hair follicle cells or stem cells.
32 citations
,
February 2024 in “Growth Hormone & IGF Research” Dihydrotestosterone (DHT) stops hair growth in mice by lowering a growth factor important for hair.
5 citations
,
September 2021 in “Frontiers in Cell and Developmental Biology” Dihydrotestosterone treatment on 2D and 3D-cultured skin cells slows down hair growth by affecting certain genes and could be a potential target for hair loss treatment.
4 citations
,
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.
48 citations
,
April 1995 in “PubMed” Testosterone helps beard and axillary hair cells grow by releasing growth factors from dermal papilla cells.
12 citations
,
August 2000 in “Fertility and Sterility” Topical finasteride doesn't reduce DHT levels, hinting at an endocrine role in hair loss.
23 citations
,
January 2020 in “Frontiers in Pharmacology” Dihydrotestosterone affects hair growth by changing the Wnt/β-catenin pathway, with low levels helping and high levels hindering growth.
25 citations
,
July 1994 in “Journal of dermatological science” Testosterone affects hair follicles differently across body sites, with beard hair follicles showing more activity of a specific enzyme and presence of androgen receptors compared to scalp hair.
22 citations
,
July 1990 in “Acta Dermato Venereologica” High levels of testosterone and dihydrotestosterone inhibit hair cell growth, while high levels of estradiol promote it.
9 citations
,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Sex hormones and antiandrogens can either stimulate or inhibit human hair follicle cell growth depending on the dose.
41 citations
,
July 2001 in “PubMed” Estrogens can reduce DHT production in hair follicles, but are less effective than finasteride and progesterone.