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Scientists found 53 keratin genes in yaks that are important for hair growth and share similarities with those in other animals.

The article concludes that while we understand a lot about how melanocytes age and how this can prevent cancer, there are still unanswered questions about certain pathways and genes involved.

Treatments for melanin disorders exist, but more effective options needed.

ISCK03 stops melanin production in human melanoma cells and lightens skin color in mice and guinea pigs.

Hormones and genes affect hair growth and male baldness.

Sex hormones, especially estradiol, can change chicken feather shapes and colors.

Epimedium extract helps increase skin pigmentation and could be a new treatment for conditions with reduced pigmentation.

Tempeh oil rich in linoleic acid may protect against skin aging caused by UV light.

Exosomes from dermal papilla cells can help grow hair and might treat hair loss.

miR-22, a type of microRNA, controls hair growth and its overproduction can cause hair loss, while its absence can speed up hair growth.

Understanding how melanocyte stem cells work could lead to new treatments for hair graying and skin pigmentation disorders.

The environment around melanocyte stem cells is key for hair regeneration and color, with certain injuries affecting hair color and potential treatments for pigmentation disorders.

Melanoma development can be linked to the breakdown of skin's melanin-producing units.

Dermal papilla cells are key for hair growth and color, influencing hair type and size, and their interaction with stem cells could help treat hair loss and color disorders.

The gene Foxn1 is important for hair growth, and understanding it may lead to new alopecia treatments.

Finasteride helps hair growth by decreasing cell death in hair follicles.

Finasteride affects hair growth by changing caspase and XIAP levels, potentially treating hair diseases.

A special dressing called FEA-PCEI can speed up wound healing, reduce scars, and help grow new hair follicles, but only at the right dosage.

Blocking Rab27a slows hair growth, while blocking Rab27b encourages it.

Eclipta prostrata helps hair growth and maintains the growth phase by affecting certain growth factors.

Gray hair is caused by reduced melanin production or transfer issues, linked to aging and possibly health conditions, with treatments focusing on color camouflage.

SCF and ET-1 together significantly increase skin pigmentation and melanin production.

ATP increases melanin production in skin after UV exposure, with the P2X7 receptor being crucial for this process.

HGF/SF increases skin melanocytes but doesn't change melanin type or amount.

Stressed fibroblasts greatly increase melanin production in hair, skin, and eye cells, mainly due to a growth factor called bFGF.

Palmitoyl tetrapeptide-20 may help reduce hair greying and increase melanin production.

Rice bran extract boosts melanin production in hair follicles.

Melanin absorbing light is necessary but not enough for effective hair removal by light treatment.

BB4CMU rice bran oil may help treat hair loss and gray hair.

The study found that giant pandas have more melanin in black hair follicles than white, with gene expression differences that could affect hair color and skin health.