9 citations,
August 2007 in “Journal of animal science/Journal of animal science ... and ASAS reference compendium” Sheep wool follicles absorb different amino acids at various rates and locations, which could affect wool growth based on diet and genetics.
9 citations,
March 2000 in “PubMed” Most women in the study lost hair due to stress, fever, childbirth, surgery, or thyroid issues, with low hemoglobin levels also common.
8 citations,
June 2022 in “Scientific Reports” LGR5 is a common marker of hair follicle stem cells in different animals and is important for hair growth and regeneration.
8 citations,
January 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” Growth hormone is important for regulating human hair growth.
8 citations,
August 2016 in “Journal of pathology and translational medicine” CD99 is highly present in certain skin cells and could help treat skin conditions.
8 citations,
January 2014 in “Annals of Dermatology” The research suggests that p63 and TGF-β1 may help determine tumor type and malignancy in hair follicle and sebaceous tumors.
7 citations,
November 2022 in “Communications biology” Keratin injections can promote hair growth by affecting hair-forming cells and tissue development.
7 citations,
March 2018 in “Asian-Australasian journal of animal sciences” OCIAD2 and DCN genes affect hair growth in goats by having opposite effects on a growth signaling pathway and inhibiting each other.
7 citations,
June 2015 in “The anatomical record” Hexi cashmere goats' hair growth varies by stage, with Hoxc13 linked to hair activity.
7 citations,
March 2005 in “Journal of dermatological science” Apoptosis helps shape hair growth and prepares the skin for hair to emerge.
6 citations,
July 2022 in “World journal of stem cells” Using extracellular vesicles from stem cells can help hair grow by affecting scalp cells and hair follicles.
6 citations,
April 1996 in “Journal of histochemistry and cytochemistry/The journal of histochemistry and cytochemistry” TGF-alpha is present in sheep and ferret skin and may affect hair growth without directly stimulating cell proliferation.
6 citations,
August 1985 in “Archives of dermatology” A lotion helped remove hair casts, which seem to come from a specific part of the hair follicle, and patients with hair casts can be grouped based on the cause.
6 citations,
June 1976 in “Journal of ultrastructure research” Keratinized wool cells still have some organelles like lysosomes and mitochondria.
5 citations,
October 2022 in “Cosmetics” Cell-based models help test if cosmetic ingredients really work for hair growth and skin health.
5 citations,
October 2020 in “Frontiers in Cell and Developmental Biology” Reducing FOXA2 in skin cells lowers their ability to grow hair.
5 citations,
March 2012 in “Microscopy Research and Technique” UVB radiation changes the chemical makeup and dries out human hair but doesn't alter its appearance or texture.
5 citations,
August 2011 in “Journal of Dermatological Science” Dentin sialoprotein and phosphophoryn are present in rodent hair follicles and may help hair growth and development.
5 citations,
January 2009 in “Dermato-endocrinology” ADAM 10 and ADAM 12 proteins are involved in different stages of hair growth and could be targets for treating hair disorders.
5 citations,
March 2001 in “Journal of biomechanics” Growing hairs are easier to pull out than resting hairs due to different anchorage strengths.
5 citations,
July 1999 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” Proteolytic enzymes damage hair follicles by detaching stem cells.
4 citations,
July 2022 in “Annals of translational medicine” Scientists created complete hair-like structures by growing mouse skin cells together in a special gel.
4 citations,
June 2022 in “Journal of Cosmetic Dermatology” Multi-peptide factors from fibroblasts may stimulate hair growth by increasing growth factors and β-catenin in hair cells.
4 citations,
March 2019 in “Experimental Biology and Medicine” Exposure to 50 Hz electromagnetic fields may help mice grow hair faster.
4 citations,
January 2019 in “Micron” Fetal hair follicles have melanocytes with melanosomes at different stages, which are broken down into pigment particles in keratinocytes.
4 citations,
November 2018 in “Journal of comparative pathology” The three adipokines—leptin, adiponectin, and resistin—are present in various cells of normal dog skin.
4 citations,
April 2018 in “The journal of pediatrics/The Journal of pediatrics” A 6-year-old girl's inability to grow her hair long was due to Loose Anagen Hair Syndrome, which causes hair to shed easily and may improve with age.
4 citations,
January 2017 in “Journal of veterinary medical science” A dog had a rare skin tumor called desmoplastic tricholemmoma.
4 citations,
October 2016 in “The journal of investigative dermatology/Journal of investigative dermatology” Using an anti-ICAM-1 antibody with rapamycin improves hair transplant survival in monkeys.
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.