research Pathologic Quiz Case: A 69-Year-Old Man With a Brown-Black Facial Papule
A rare benign skin growth called melanocytic matricoma was identified in a 69-year-old man.
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990-1000 / 1000+ resultsresearch Morphologic comparison of cultured human epidermis melanocytes,amelanotic melanocytes from hair follicles and mouse melanoma cells observed by atomic force microscope
Melanin granules can be expelled by exocytosis.
research Hair cycle and hair pigmentation: dynamic interactions and changes associated with aging
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.
research Functionally distinct melanocyte populations revealed by reconstitution of hair follicles in mice
Only skin melanocytes, not other types, can color hair in mice.
research Extradermal melanin transfer? Lack of macroscopic spleen melanization in old C57BL/6 mice with de-synchronized hair cycle.
Old C57BL/6 mice with unsynchronized hair cycles show less melanin in their spleens.
research Melanocyte Subpopulation Turnover During the Human Hair Cycle: An Immunohistochemical Study
Melanocyte activity in hair follicles is linked to the hair growth cycle, being active in growth phases and inactive in rest phases.
research Hyperactivation of sympathetic nerves drives depletion of melanocyte stem cells
Stress can cause hair to turn gray by depleting stem cells.
research Stable analytic extrapolations in the theory of strong interactions
Oxidative stress causes hair graying by damaging hair follicle melanocytes more than skin melanocytes.
research Age-induced hair greying - the multiple effects of oxidative stress
Hair greying is caused by oxidative stress damaging hair follicles and melanocytes.
research Structure and function of melanocytes: microscopic morphology and cell biology of mouse melanocytes in the epidermis and hair follicle.
Mouse melanocyte structure and function are influenced by genetics, hormones, and environmental factors.