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Melatonin affects many body functions beyond sleep by interacting with specific receptors in various tissues.

Keratins help protect cells, aid in cancer diagnosis, and influence cancer behavior and treatment.

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

Metformin helps with menstrual cycles and insulin levels in PCOS but is less effective for hair growth, diabetes prevention, and weight loss, and may improve fertility and reduce diabetes risk.

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

The conclusion is that using drugs to block the TOR pathway might slow aging and prevent age-related diseases.

The study found that sweat glands contain different types of stem cells that help with healing and maintaining healthy skin.

New nanofiber technology improves wound healing by supporting cell growth and delivering treatments directly to the wound.

The immune system plays a key role in tissue repair, affecting both healing quality and regenerative ability.

Melatonin in the skin helps protect against damage from stress and UV rays, and could be used to treat certain skin conditions.

Insulin resistance is a key factor in polycystic ovary syndrome, but genetics may also contribute.

Dermoscopy is a useful tool for identifying features of skin conditions, but more research is needed to define its role in dermatology.

Stem cells are crucial for skin repair and new treatments for chronic wounds.

Understanding where cancer cells come from helps create better prevention and treatment methods.

Planarian regeneration begins with a specific gene activation caused by injury, essential for healing and tissue regrowth.

Minoxidil and finasteride treat hair loss in men, while minoxidil treats hair loss in women.

Most women with excess hair growth have an underlying hormonal issue, often treated with medication and hair removal methods.

Targeted cancer therapies often cause serious skin problems that need careful management.

The document concludes that developing generic topical drugs requires ensuring they match the original in quality, composition, and structure, and often involves complex testing and regulatory steps.

Skin cells produce and activate vitamin D, which regulates skin functions and supports hair growth.

Hair follicle dermal stem cells are key for regenerating parts of the hair follicle and determining hair type.

Chemotherapy can cause skin problems like hair loss, mouth sores, and skin darkening, and recognizing these can affect treatment decisions.

Some medicinal plants can help heal wounds and may lead to new treatments.

Epirubicin is as effective as doxorubicin for cancer treatment with less heart damage, but doesn't work on doxorubicin-resistant cancers.

Vitamin D and its receptor regulate skin functions like cell growth, immunity, hair cycle, and tumor prevention.

Androgens can cause hair growth in some areas and hair loss on the scalp.

Tight junctions are key for skin protection and controlling what gets absorbed or passes through the skin.

Memory T cells in the skin balance staying put and moving into the blood, clustering around hair follicles, and increasing in number after infection.

Keratinocytes help heal skin wounds by interacting with immune cells and producing substances that kill pathogens.

The WNT signaling pathway is important in many diseases and targeting it could offer new treatments.