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Skin stem cells are maintained by signals from nearby cells and vary in their ability to renew and mature.

Aggressive scalp squamous cell carcinomas have a high death rate and need early, strong treatment.

Only skin melanocytes, not other types, can color hair in mice.

The study concluded that a protein important for hair strength is regulated by certain molecular processes and is affected by growth phases.

Adding insulin-like growth factor 1 and bone marrow-derived stem cells to a collagen-chitosan scaffold helps wounds heal faster and regrows hair follicles.

The guideline recommends mental health involvement in diagnosing gender identity disorder and outlines hormone and surgical treatment protocols, emphasizing safety, informed consent, and long-term monitoring.

Changing the environment around stem cells could help tissue repair, but it's hard to be precise and avoid side effects.

Dehydroepiandrosterone (DHEA) is a prohormone important for producing sex steroids and has potential health benefits.

The document concludes that the hair cycle is a complex process involving growth, regression, and rest phases, regulated by various molecular signals.

Cushing's syndrome can cause serious health problems, and early treatment is crucial, but some issues may remain after treatment.

Human skin can make serotonin and melatonin, which help protect and maintain it.

The conclusion is that certain cell interactions and signals are crucial for hair growth and regeneration.

Skin needs dermal β-catenin activity for hair growth and skin cell multiplication.

Jumonji genes are important for development and their mutations can cause abnormalities, especially in the heart and brain.

Blocking COX, especially COX-2, in the skin can reduce inflammation and pain and may help prevent skin cancer.

TGF-β is crucial for controlling stem cell behavior and changes in its signaling can lead to diseases like cancer.

Skin aging is due to impaired stem cell mobilization or fewer responsive stem cells.

The document concludes that the hair cycle is a complex process involving growth, regression, and rest phases, regulated by various molecular signals.

Fullerenes show potential in skin care but need more safety research.

The Foxn1 gene mutation causes hairlessness and immune system issues, and understanding it could lead to hair growth disorder treatments.

EGF and KGF signalling prevent hair follicle formation and promote skin cell development in mice.

Inherited ichthyoses cause widespread skin scaling and thickening due to gene mutations.

Hair shedding is an active process that could be targeted to treat hair loss.

The conclusion is that hair growth can be improved by activating hair cycles, changing the surrounding environment, healing wounds to create new hair follicles, and using stem cell technology.

Vitamin D receptor is crucial for bone health and mineral metabolism.

Long-term testosterone therapy can cause hormone suppression, affect prostate and heart health, and alter physical characteristics, but does not increase prostate cancer risk and needs more research for full risk assessment.

Electrospun nanofibers show promise for enhancing blood vessel growth in tissue engineering but need further research to improve their effectiveness.

Certain immune system proteins are important for skin healing but can cause problems if there are too many of them.

Wnt1a-conditioned medium from stem cells helps activate cells important for hair growth and can promote hair regrowth.

Smad-4 and Smad-7 are key in hair follicle development, with other Smads being less important.