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Melatonin may benefit skin health and could be a promising treatment in dermatology.

Alopecia areata is an autoimmune condition causing hair loss due to the immune system attacking hair follicles, often influenced by genetics and stress.

Epigenetic changes control how adult stem cells work and can lead to diseases like cancer if they go wrong.

Alopecia areata involves immune activation in the scalp, suggesting treatments targeting TH1, TH2, and IL-23 pathways.

Macrophages help activate hair follicle stem cells, affecting hair growth and skin repair.

Wnt signaling controls whether hair follicle stem cells stay inactive or regenerate hair.

Hair follicle stem cells are key for hair and skin regeneration, can be reprogrammed, and have potential therapeutic uses, but also carry a risk of cancer.

Mechanical stretching of the skin can promote hair growth by activating certain immune cells.

Stem cell niches support, regulate, and coordinate stem cell functions.

Low iron levels may be linked to some types of hair loss in women.

Early development of hair, teeth, and glands involves specific signaling pathways and cellular interactions.

Accurate diagnosis and effective oral treatment are key to managing tinea capitis and preventing its spread.

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

Male and female skin differ due to hormones, affecting conditions like hair loss, acne, and skin cancer, and suggesting a need for gender-specific treatments.

Hair follicle patterns form through a mix of self-organization and signaling interactions.

The dermal papilla is crucial for hair growth and health, and understanding it could lead to new hair loss treatments.

Alopecia areata is an autoimmune disease causing patchy hair loss, often with other autoimmune disorders, but its exact causes are unknown.

Most people with systemic lupus erythematosus have skin problems, and skin symptoms are often the first sign of the disease.

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

Aging causes skin stem cells to work less effectively.

Lupus affects the body and skin, causing joint pain and skin issues that can be treated with steroids and antimalarial drugs.

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

The niche environment controls stem cell behavior and plasticity, which is important for tissue health and repair.

Different types of stem cells with unique roles exist in blood, skin, and intestines, and this variety is important for tissue repair.

Stem cell therapy, particularly using certain types of cells, shows promise for treating hair loss by stimulating hair growth and development, but more extensive trials are needed to confirm these findings.

PDGF isoforms can promote and sustain hair growth.

Different types of stem cells and their environments are key to skin repair and maintenance.

TGF-β signaling is crucial for stem cell maintenance, differentiation, and has implications for cancer treatment.

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.

Damage to skin releases dsRNA, which activates TLR3 and helps in skin and hair follicle regeneration.