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Animals that change color with the seasons mainly do so in response to daylight changes, but climate change is causing camouflage problems that may require evolutionary changes.

Healthy mitochondria in skin cells are essential for proper hair growth and skin cell interaction in mice.

The skin's ability to produce hormones is linked to various skin conditions, and better understanding this process could lead to new treatments.

The right amount of retinoic acid is essential for normal hair growth and development.

Sebaceous glands play a key role in skin health, immunity, and various skin diseases.

Grateloupia elliptica extract may help prevent hair loss and promote hair growth.

Genes related to pigmentation, body rhythms, and behavior change during hares' seasonal coat color transition, with a common genetic mechanism in two hare species.

Melatonin treatment may increase cashmere production in Spanish goats.

Runx genes are important for stem cell regulation and their roles in aging and disease need more research.

Three dogs with a rare skin condition improved with treatment.

Humans have limited regenerative abilities, but new evidence shows the adult brain and heart can regenerate, and future treatments may improve this by mimicking stem cell environments.

Fibroblast growth factors are crucial for hair follicle development and regeneration.

The 2015 Hair Research Congress concluded that stem cells, maraviroc, and simvastatin could potentially treat Alopecia Areata, topical minoxidil, finasteride, and steroids could treat Frontal Fibrosing Alopecia, and PTGDR2 antagonists could also treat alopecia. They also found that low-level light therapy could help with hair loss, a robotic device could assist in hair extraction, and nutrition could aid hair growth. They suggested that Alopecia Areata is an inflammatory disorder, not a single disease, indicating a need for personalized treatments.

Melatonin increased the activity of a hair growth gene in Cashmere goats.

The best animal model for studying male-pattern baldness is the stumptailed macaque, not rats or mice.

Mouflon rams mature gradually with changes in body, horns, and hormones linked to age and seasons, reaching full sexual maturity well after puberty.

The study found that the protein Dkk4 helps regulate hair growth by controlling Wnt signaling in mice.

Combining specific inducers helps dermal papilla cells regain hair-forming ability.

Melatonin affects skin and hair color and protects skin cells, with potential benefits for hair growth and skin health.

Sheep and goat hair fibers are complex due to keratin-associated proteins, which are important for fiber properties and growth.

The enzymes Tet2 and Tet3 are important for skin cell development and hair growth.

The document concludes that understanding the sebaceous gland's development and function is key to addressing related skin diseases and aging effects.

Melatonin, usually known for sleep regulation, also has antioxidant properties that can protect skin, stimulate hair growth, and improve skin conditions, with topical application being more effective than oral use.

Radiation therapy damages skin structure and immune function, causing inflammation and potential hair loss.

Certain mouse strains develop a skin condition similar to a human hair loss disease due to genetic defects.

Removing mink's adrenal glands causes their summer fur to grow earlier.

Melatonin may inhibit melanoma growth and has potential as a cancer therapy aid, but its effects on human skin pigmentation need more research.

Different types of skin fibroblasts have unique roles in skin health and disease.

Researchers found genes and microRNAs that control curly fleece in Chinese Tan sheep.

The back of the scalp has more nerve fibers than the front, which may explain why some people feel more sensitivity there.