April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” Melanocytes are cells that make skin and hair color and help protect skin from sun damage.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” Researchers found three types of melanocytes in developing mouse skin, each with different genes and locations.
June 2021 in “bioRxiv (Cold Spring Harbor Laboratory)” The gene Tfap2b is essential for creating a type of stem cell in zebrafish that can become different pigment cells.
August 2020 in “Research Square (Research Square)” Oxygen levels affect hair growth and color cells differently when they interact directly.
June 2020 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Stress causes hair graying by overactivating nerves that deplete color-giving stem cells.
Treating vitiligo with stem cells and melanocytes from hair, along with UVB light, works better than without the light.
January 2019 in “Social Science Research Network” Hair follicle stem cells prevent melanocyte stem cells from differentiating by controlling retinoic acid levels.
April 2018 in “Journal of Investigative Dermatology” BMP signaling is important for skin color, affecting melanin production, pigment spread, and cell movement.
March 2009 in “Chinese Journal of Dermatology” Melanocytes in the outer root sheath are likely stem cells that grow fast but stay immature.
January 2006 in “Yearbook of Dermatology and Dermatologic Surgery” Hair graying is caused by the loss of pigment cells due to poor maintenance of stem cells in the hair follicle.
January 2003 in “Linchuang pifuke zazhi” Melanin granules can be expelled by exocytosis.
56 citations,
December 2010 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair follicle cells age faster and lose pigment due to less catalase, causing hair to turn gray.
29 citations,
November 2014 in “Experimental Dermatology” Injecting alpha-melanocyte-stimulating hormone in mice improved skin healing and reduced scarring.
September 2023 in “Curēus” Alopecia areata may be linked to hearing problems, so patients should monitor their hearing.
January 2008 in “Linchuang pifuke zazhi” Betamethasone activates and increases the growth of certain skin cells from hair follicles.
January 2006 in “Chinese Journal of Dermatology” Amelanotic melanocytes from hair follicles are immature and likely don't transfer melanosomes to keratinocytes.
3 citations,
May 2020 in “Acta pharmaceutica” Protocatechuic acid can reduce melanin production and boost antioxidant activity in hair follicles.
303 citations,
August 1971 in “The American Journal of Medicine” Melanocytes are destroyed by factors needed for melanin production, causing vitiligo and gray hair.
152 citations,
December 2003 in “Micron” As people age, their hair follicles produce less pigment, leading to gray and white hair, due to factors like reduced enzyme activity and damage to melanocyte DNA.
70 citations,
May 2008 in “The journal of investigative dermatology/Journal of investigative dermatology” Notch/RBP-J signaling is crucial for proper placement and timing of melanocyte development in hair follicles.
67 citations,
August 2013 in “International Journal of Cosmetic Science” Hair greying is caused by oxidative stress damaging hair follicles and melanocytes.
26 citations,
January 2018 in “Annals of dermatology/Annals of Dermatology” Hair graying may be caused by stem cell depletion from stress or melanocyte damage.
23 citations,
May 2017 in “Journal of the American Academy of Dermatology” FFA patients have fewer melanocytes and thinner skin compared to others.
7 citations,
May 2010 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” White hair follicles in vitiligo have fewer and less functional melanocytes.
7 citations,
October 1985 in “Genetics Research” Beige and leaden pigment genes act within melanocytes, affecting pigment patterns.
New treatments for vitiligo may focus on protecting melanocyte stem cells from stress and targeting specific pathways involved in the condition.
December 2012 in “Journal of dermatological science” Langerhans cells and melanocytes migrate to the skin and hair follicles during early human development.
December 2018 in “European Journal of Pediatric Dermatology/PD. European journal of pediatric dermatology” Segmental vitiligo affects hair follicle melanocytes, causing small, uniform depigmented spots.
1160 citations,
November 2018 in “Physiological Reviews” The document concludes that better targeted treatments are needed for wound healing, and single-cell technologies may improve cell-based therapies.
277 citations,
July 2011 in “Journal of the Dermatology Nurses’ Association” The skin's layers protect, sense, and regulate the body's internal balance, but can be prone to cancer.