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

Fat-derived stem cells show promise for skin repair and reducing aging signs but need more research for consistent results.

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

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

Low doses of some substances can be beneficial, while high doses can be harmful or toxic.

Normal skin cell renewal doesn't need RAR signaling, but vitamin A-related skin thickening does.

Men generally have more severe COVID-19 cases and higher death rates than women due to biological differences.

TRP channels in the skin are important for sensation and health, and targeting them could help treat skin disorders.

MicroRNA-302 helps improve the conversion of body cells into stem cells by blocking NR2F2.

The telogen phase of hair growth is active and important for preparing hair follicles for regeneration, not just a resting stage.

Understanding how cells die in the skin is important for treating skin diseases and preventing hair loss.

Asia has made significant progress in tissue engineering and regenerative medicine, but wider clinical use requires more development.

Vitamin D has potential benefits for cancer prevention, heart health, diabetes, obesity, muscle function, skin health, and immune function, but clinical results are mixed and more research is needed.

MIM is crucial for hair follicle formation and regeneration by controlling cilia formation and hedgehog signaling through its interaction with Cortactin and Src.

Exposure to finasteride in the womb caused lasting reproductive issues in male rats.

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

Men, especially older ones with health issues like prostate cancer, may have worse COVID-19 outcomes and could benefit from therapies targeting male hormones.

Applying a special compound can promote hair growth without harmful side effects.

Blocking the Wnt pathway could lead to new treatments for cancer and tissue repair but requires careful development to avoid side effects.

Too much Smad7 can cause serious changes in skin tissues, including problems with hair growth, thymus shrinkage, and eye development issues.

Hair color production is closely linked to the active growth phase of hair in mice and may also influence hair growth itself.

The document concludes that assessing hair follicle damage due to cyclophosphamide in mice involves analyzing structural changes and suggests a scoring system for standardized evaluation.

Correct skin biopsy techniques are crucial to avoid misdiagnosis of skin diseases.

Formyl-peptide receptor agonists could be new anti-inflammatory drugs.

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

Cystatin M/E strongly inhibits cathepsin V and cathepsin L, important for skin formation.

Scientists created stem cells that can grow hair and skin.

Hair follicles are hormone-sensitive and involved in growth and other functions, with potential for new treatments, but more research is needed.

Androgens can both stimulate and cause hair loss, and understanding their effects is key to treating hair disorders.

Mutant CDP/Cux protein causes hair defects and reduced male fertility in mice.