30 citations,
September 2004 in “Experimental Dermatology” Scalp hair follicle culture has limits for testing minoxidil's hair growth effects.
16 citations,
November 2005 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” Hair color is determined by different melanins and changes with age.
August 2023 in “International Journal of Molecular Sciences” The human scalp hair bulb contains different types of melanocytes with varying abilities to produce melanin.
40 citations,
November 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” Different melanocyte types in hair follicles either survive or die during the catagen phase.
43 citations,
October 2005 in “Molecular and cellular endocrinology” Hair melanocytes help the skin respond to stress and regulate hair pigmentation.
249 citations,
April 2002 in “The FASEB journal” Human skin can make serotonin and melatonin.
39 citations,
June 2017 in “Scientific Reports” Different lab conditions and light treatment methods change how human skin cells respond to light therapy.
November 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” The study found markers indicating that cells responsible for hair color are differentiating in specific areas of the hair follicle.
146 citations,
May 2002 in “The American journal of pathology” Cathepsin L is essential for normal hair growth and development.
54 citations,
June 2003 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” Disruptions in hair follicle fibroblast dynamics can cause hair growth problems.
349 citations,
January 2005 in “The FASEB journal” Human skin can make serotonin and melatonin, which help protect and maintain it.
68 citations,
March 2008 in “Experimental dermatology” The new assay can track and measure melanosome transfer between skin cells, confirming filopodia's role in this process.
16 citations,
January 2017 in “DOAJ (DOAJ: Directory of Open Access Journals)” Low levels of vitamin B12 and ferritin are linked to early hair graying.
222 citations,
January 2005 in “Endocrine journal” Melatonin is important for skin health and protection, and can be made by the skin or applied to it.
20 citations,
July 2005 in “Experimental dermatology” The fuzzy gene is crucial for controlling hair growth cycles.
11 citations,
June 2022 in “Frontiers in immunology” New protein changes may be involved in the immune attack on hair follicles in alopecia areata.
April 2023 in “Journal of Investigative Dermatology” SOX2 helps reduce wound size and pressure ulcer formation by suppressing oxidative stress and increasing antioxidant activity in mice.
109 citations,
October 2007 in “Journal of pineal research” Melatonin helps regulate hair growth and protects the hair follicle from stress.
155 citations,
December 2002 in “Journal of Investigative Dermatology” Thyroid-related genes are active in skin cells and may affect autoimmune conditions.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” The protein p21 is more abundant in normal skin cells than in melanoma cells and may help protect against melanoma, with UVB light affecting its levels.
130 citations,
December 1998 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair follicle melanocytes die during hair regression.
29 citations,
January 2013 in “The journal of investigative dermatology/Journal of investigative dermatology” P-cadherin is crucial for hair follicle pigmentation but not skin pigmentation.
13 citations,
January 1993 in “Archives of dermatological research” Human hair follicles can grow and stay healthy for up to 8 days in a lab setting.
47 citations,
January 2013 in “International Journal of Cosmetic Science” Hair diversity is influenced by complex genetics and environmental factors, requiring more research for practical solutions.
115 citations,
November 2004 in “Brain Behavior and Immunity” Stress increases nerve fibers and immune cell activity in mouse skin, possibly worsening skin conditions.
January 2023 in “Karger Kompass. Dermatologie” Scientists are still unsure what triggers the immune system to attack hair follicles in Alopecia areata.
January 2010 in “Elsevier eBooks” Hair color is important in many fields and is measured for various purposes.
9 citations,
August 2021 in “Experimental dermatology” Hidradenitis suppurativa is a skin disease caused by the breakdown of the skin's natural immune barriers, especially around hair follicles.
71 citations,
January 1998 in “Pathobiology” The document concludes that certain rats and mice are useful for studying hair loss in humans and testing treatments.
78 citations,
August 2002 in “Experimental Dermatology” Researchers developed a quick and easy way to get and grow cells from the base of human hair follicles.