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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.

Prolactin contributes to hair loss by promoting hair follicle shrinkage and cell death.

The skin's internal clock affects healing, cancer risk, aging, immunity, and hair growth, and disruptions can harm skin health.

The document concludes that understanding hair structure is key to diagnosing hair abnormalities and recommends gentle hair care for management.

Cepharanthine is a well-tolerated drug with multiple medical uses, including anti-inflammatory and anti-cancer properties.

Stem cell plasticity is crucial for wound healing but can also contribute to cancer development.

Dexamethasone speeds up hair loss in mice, while cyclosporin A slows it down.

Hair follicles produce and respond to melatonin, affecting hair growth and sensitivity to estrogen.

Many women in southern China have polycystic ovary syndrome, with some symptoms differing from Western women.

Cytokeratin 19 and cytokeratin 15 are key markers for monitoring the quality and self-renewing potential of engineered skin.

Modern lifestyles, including poor diet, stress, and long-term use of certain medications, hinder the body's ability to heal from inflammation, leading to chronic diseases.

Hair grows faster in the morning and is more vulnerable to damage from radiation due to the internal clock in hair follicle cells.

Thyroid hormones help hair grow, reduce hair loss, and increase hair pigment.

Smoking harms the skin, causing early aging and increasing cancer risk, but stopping smoking can improve skin health.

Liposomes could improve how skin care products work but are costly and not very stable.

New treatments targeting specific genes show promise for treating keratin disorders.

PDGFA/AKT signaling is important for the growth and maintenance of certain skin fat cells.

We need more research to better understand human hair follicle stem cells for improved treatments for hair loss and skin cancer.

Skin-derived precursors in hair follicles come from different origins but function similarly.

Treating psoriasis on the scalp, nails, and skin folds is challenging, often requiring systemic treatments for severe cases, with some success in topical and biologic treatments.

MicroRNA-214 is important for skin and hair growth because it affects the Wnt pathway.

Chemotherapy often causes temporary hair loss, which is distressing and needs better treatment and support.

Laminin-511 is crucial for early hair growth and maintaining important hair development signals.

One minoxidil-sensitive potassium channel exists in human hair follicles.

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

Growth factors and cytokines are important for hair growth and could potentially treat hair loss, but more research is needed to overcome challenges before they can be used in treatments.

Scientists created stem cells that can grow hair and skin.

Hair ages due to genetics and environmental factors, leading to graying and thinning, with treatments available for some conditions.

A cluster of sulfur-rich hair protein genes was found on chromosome 17.

The document concludes that adult mammalian skin contains multiple stem cell populations with specific markers, important for understanding skin regeneration and related conditions.