28 citations
,
November 1987 in “Journal of the American Academy of Dermatology” The model successfully grew and differentiated hair follicle cells in the lab.
21 citations
,
July 2006 in “Veterinary dermatology” CD34 marks potential stem cells in dog hair follicles.
9 citations
,
January 2008 in “Acta histochemica et cytochemica” COX-2 levels change during the hair cycle and affect skin and hair growth.
8 citations
,
February 1968 in “Australian Journal of Zoology” The southern elephant seal's skin layer helps waterproof the skin by being tightly connected to hair shafts.
1 citations
,
October 2022 in “Scientific reports” Nestin identifies specific progenitor cells in hair follicles that can become outer root sheath cells.
January 2014 in “Journal of the Korean Society of Design Culture” The study confirmed that changes in hair structure in women with hair loss conditions matched what is taught in beauty college trichology courses.
January 1995 in “Revista de arqueología” 1 alpha,25-dihydroxy-vitamin D3 and calcipotriol speed up cell differentiation in hair follicles.
Hair germ cells differ from epidermal cells in keratin expression, and specific keratins form after hair differentiation.
September 1989 in “PubMed” The method allows detailed observation of hair tissue structures.
December 1986 in “Plastic and Reconstructive Surgery” Wax injection did not stop hair loss and caused changes to the skull.
65 citations
,
February 1992 in “Development” Type II keratin genes are crucial for hair follicle differentiation and have a conserved structure and expression pattern.
45 citations
,
April 2001 in “The journal of investigative dermatology/Journal of investigative dermatology” Different Myc family proteins are located in various parts of the hair follicle and may affect stem cell behavior.
27 citations
,
October 1998 in “Differentiation” Basonuclin helps identify and track hair follicle development and cycling in mice.
April 2023 in “Journal of Investigative Dermatology” Blocking casein kinase 1 in skin cells can help melanocyte precursors move better, potentially helping with conditions like vitiligo or gray hair.
Activating certain hair follicle cells could prevent hair loss from cancer treatments.
September 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair follicles repair 3D injuries using a 2D healing process.
January 1998 in “Differentiation” Basonuclin is crucial for hair follicle development and cycling in mice.
January 1994 in “Nihon Chikusan Gakkaiho” Collagen fibrils in mink skin change structure during hair growth, becoming looser and thicker in the active phase.
22 citations
,
January 1985 Water makes hair more flexible, especially the outer layer.
January 2025 in “Diagnostics” Women with PCOS have distinct retinal changes compared to healthy women.
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.
June 1996 in “Journal of Dermatological Science” Vitamin D3 applied to mouse skin caused more wrinkles and sagging due to changes in the skin's outer layer.
5 citations
,
March 2009 in “Pediatric Dermatology” The study found that pili bifurcati causes hair to intermittently split into two branches, each with its own outer layer.
18 citations
,
August 2014 in “Lipids” Human hair has more unsaturated fats inside than on the surface, and certain lipids may help bind the outer and inner layers together.
53 citations
,
September 1999 in “Journal of Synchrotron Radiation” Keratinous tissues have multiple structural layers, including ordered keratin and lipid granules.
October 2024 in “International Journal of Comprehensive Veterinary Research.” Neonate rabbits have consistent skin layers and no sweat glands.
101 citations
,
December 2010 in “The journal of investigative dermatology/Journal of investigative dermatology” Scientists turned mouse stem cells into skin cells that can grow into skin layers and structures.
August 2019 in “Journal of Investigative Dermatology” Frog skin cells need the protein desmoplakin for proper development and cell layer formation.
January 2001 in “Biomedical Research” THH and PAD type III appear together early in hair growth, but deiminated THH appears later, suggesting another factor is involved.
39 citations
,
November 2007 in “Journal of Histochemistry & Cytochemistry” NG2 is crucial for normal skin and hair development in mice.