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Skin-derived stem cells grow faster and are easier to obtain than hair follicle stem cells, but both can become various cell types.

UV light helped human hair transplants survive in mice without broad immunosuppression.

The skin has multiple layers and cells, serves as a protective barrier, helps regulate temperature, enables sensation, affects appearance, and is involved in vitamin D synthesis.

Aging skin shows thinner layers, fewer hair follicles, and new biomarkers like increased space between cells and smaller sebaceous glands.

Hair follicle stem cells help skin heal and grow during stretching.

Researchers created immortal human skin cells with constant testosterone receptor activity to study hair loss and test treatments.

Epidermal stem cells have various roles in skin beyond just maintenance, including forming specialized structures and aiding in skin repair and regeneration.

Adult esophageal cells can start to become like skin cells, with a key pathway influencing this change.

The research created a detailed map of skin cells, showing that certain cells in basal cell carcinoma may come from hair follicles and could help the cancer grow.

Stress can worsen skin conditions by affecting hormone levels and immune response.

Genetic mutation and carcinogen treatment are both needed for skin cancer to develop in these specific mice.

The document concludes that identifying the specific cells where skin cancers begin is important for creating better prevention, detection, and treatment methods.

Stromal stem cells may help heal wounds by becoming structural cells or affecting the immune system, but more research is needed to understand how.

Cells in hair follicles help create fat cells in the skin by releasing a protein called Sonic Hedgehog.

An imbalance in gut bacteria is linked to skin immune diseases and may affect their outcomes and related health issues.

Human alpha defensin 5 helps heal wounds, reduce bacteria, and grow hair on burned skin.

Certain immune cells are more common on the top of the head and might help predict or treat common hair loss.

Boosting HGF signaling could improve the creation of hair follicles in lab-made skin.

Certain immune cells contribute to severe hair loss in chronic alopecia areata, with Th17 cells possibly having a bigger impact than cytotoxic T cells.

Bioactive molecules show promise for improving skin repair and regeneration by overcoming current challenges with further research.

Mushroom-based scaffolds help heal skin wounds and regrow hair.

Epidermal stem cells have potential for personalized regenerative medicine but need careful handling to avoid cancer.

Different immune responses cause hair loss in scalp diseases, with unique patterns in scalp psoriasis possibly protecting against hair loss.

T cells with memory features grow in number and gather around hair follicles when there are not enough immune cells.

Cell-based therapy using specific immune cells may help treat alopecia areata by promoting hair regrowth.

Calcium signals and SHH guide the direction of feather growth in chicken skin.

ADSCs help in wound healing and skin regeneration but need more research for full understanding.

Alopecia areata is likely an autoimmune disease with unclear triggers, involving various immune cells and molecules, and currently has no cure.

Aging causes skin stem cells to work less effectively.

Activating β-catenin in different skin stem cells causes various types of hair growth and skin tumors.