41 citations
,
June 2010 in “Journal of Investigative Dermatology” New cells are added to the hair's dermal papilla during the active growth phase.
Melatonin affects cell growth differently based on its concentration.
January 2006 in “Chieh P'ou Hsueh Pao” Beta-catenin boosts hair follicle cell growth by increasing c-myc expression.
July 2018 in “Benha Journal of Applied Sciences” Higher levels of miR-203 may contribute to hair loss in alopecia areata.
4 citations
,
December 2014 in “Indian Journal of Dermatology” A rare skin condition with cysts was found on a 5-year-old boy's scalp.
122 citations
,
July 2005 in “The FASEB journal” Hair follicles produce and respond to melatonin, affecting hair growth and sensitivity to estrogen.
65 citations
,
September 2004 in “The American journal of pathology” Blocking BMP signaling causes hair loss and disrupts hair growth cycles.
2 citations
,
October 1999 in “Annals of the New York Academy of Sciences” Melatonin and cortisol affect mink winter hair growth, but β-endorphin levels do not.
2 citations
,
August 2025 in “Reports — Medical Cases Images and Videos” A rare pigmented skin tumor called melanotrichoblastoma was diagnosed in a 51-year-old woman.
15 citations
,
September 2009 in “European Journal of Histochemistry” CD90 is abundantly present on stem-like cells in dog hair follicles.
28 citations
,
February 2014 in “Journal of Cutaneous Pathology” Keratoacanthoma changes as it grows, showing different hair follicle characteristics at each stage.
8 citations
,
June 2016 in “Journal of Cutaneous Pathology” Two women were diagnosed with a rare melanoma that looked like hair loss but was actually a type of skin cancer.
September 2023 in “Journal of the American Academy of Dermatology” Children with alopecia areata, especially with Down syndrome or thyroid issues, should be screened for thyroid disease.
1 citations
,
June 2018 in “World rabbit science” Different miRNAs in Rex rabbit skin affect cell processes 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.
April 2026 in “Proceedings of the National Academy of Sciences” Tmem30b is essential for hearing by maintaining hair cell structure in the ear.
April 2024 in “Biomedicine & pharmacotherapy” Pilose antler extract helps hair grow in mice with a type of hair loss by speeding up the growth phase.
79 citations
,
October 1998 in “Genomics” Mouse keratin 6 genes evolved independently from human ones and are regulated differently.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” Dermal papilla cell-derived exosomes can help stem cells grow hair.
6 citations
,
June 2011 in “British Journal of Dermatology” People with alopecia areata have higher levels of RBP4 protein and antibodies against it.
11 citations
,
December 1990 in “British Journal of Dermatology” Alopecia areata may involve disrupted mesenchymal function in hair follicles.
4 citations
,
May 2020 in “PLOS ONE” Ingenol mebutate gel changes gene expression related to skin development and immune response in actinic keratosis.
7 citations
,
January 1988 67 citations
,
February 1994 in “Developmental dynamics” Specific proteins and molecules play key roles in the development of human hair follicles.
7 citations
,
June 2010 in “Bioorganic & medicinal chemistry letters” Two new compounds were found to effectively reduce hair growth in mice.
8 citations
,
October 2021 in “Experimental cell research” Engineered vesicles from macrophages help hair growth in mice and humans.
21 citations
,
December 1994 in “Journal of Investigative Dermatology” 13 citations
,
January 2021 in “Journal of Cellular and Molecular Medicine” Thymosin β4 may boost hair growth by aiding stem cell movement and blood vessel formation.
2 citations
,
January 2022 in “Oxidative Medicine and Cellular Longevity” Exosomes from dermal papilla cells help hair follicle stem cells grow and survive.
196 citations
,
May 2001 in “The journal of investigative dermatology/Journal of investigative dermatology” Sebocytes play a key role in controlling androgen levels in human skin.