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Different types of stem cells exist within individual skin layers, and they can adapt to damage, transplantation, or tumor growth. These cells are regulated by their environment and genetic factors. Tumor growth is driven by expanding, genetically altered cells, not long-lived mutant stem cells. There's evidence of cancer stem cells in skin tumors. Other cells, bacteria, and genetic factors help maintain balance and contribute to disease progression. A method for growing mini organs from single cells has been developed.

Higher doses of cranial irradiation are linked to permanent hair loss.

Melatonin helps regulate hair growth and protects the hair follicle from stress.

Nerves and chemicals in the body can affect hair growth and loss.

Hair follicles are hormone-sensitive and involved in growth and other functions, with potential for new treatments, but more research is needed.

The TGF-β family helps control how cells change and move, affecting skin, hair, and organ development.

Researchers created a fully functional, bioengineered skin system with hair from stem cells that successfully integrated when transplanted into mice.

The 190-kbp domain contains all human type I hair keratin genes, showing their organization and evolution.

TRH stimulates human hair growth and extends the hair growth phase.

Human hair follicles produce and respond to erythropoietin, helping protect against stress.

Melanocyte development from neural crest cells is complex and influenced by many factors, and better understanding could help treat skin disorders.

The document concludes that for hair and feather growth, it's better to target the environment around stem cells than the cells themselves.

Researchers found 63 genes linked to male-pattern baldness, which could help in understanding its biology and developing new treatments.

The topical inhibitor CUR61414 was not effective in treating basal cell carcinoma in human trials.

The document concludes that understanding hair and feather regeneration can help develop new regenerative medicine strategies.

Activating Nrf2 protects human hair follicles from oxidative stress and helps prevent hair growth inhibition.

Hair loss can indicate underlying systemic diseases and addressing these can sometimes reverse the hair loss.

Brain hormones significantly affect hair color and could potentially be used to prevent or reverse grey hair.

Disruptions in hair follicle fibroblast dynamics can cause hair growth problems.

Botulinum toxin shows promise for various skin conditions but requires more research for confirmation and standardized use.

UVB radiation harms hair growth and health, causing cell death and other changes in human hair follicles.

Wnt signaling is important for development and cell regulation but can cause diseases like cancer when not working properly.

The conclusion is that understanding how feathers and hairs pattern can help in developing hair regeneration treatments.

Melatonin improves cashmere goat hair growth and quality by increasing antioxidants and reducing cell death.

Organotypic culture systems can grow skin tissues that mimic real skin functions and are useful for skin disease and hair growth research, but they don't fully replicate skin complexity.

Autophagy is important for human hair growth and health.

The conclusion is that we need more effective hair loss treatments than the current ones, and these could include new drugs, gene and stem cell therapy, hormones, and scalp cooling, but they all need thorough safety testing.

Melatonin solution helps treat hair loss in men and women.

Woodhouse-Sakati syndrome often causes sexual development issues, hair loss, learning disabilities, deafness, muscle contractions, limb pain, and diabetes.

Hair follicles on the scalp interact with and respond to the nervous system, influencing their own behavior and growth.