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

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

The article concludes that the wool follicle is a valuable model for studying tissue interactions and has potential for genetic improvements in wool production.

Tiny particles from stem cells help activate hair growth cells and encourage hair growth in mice without being toxic.

Wnt and Notch signaling help wound healing by promoting cell growth and regulating cell differentiation.

Finasteride may cause long-lasting sexual side effects.

The document concludes that hair is complex, with a detailed growth cycle, structure, and clinical importance, affecting various scientific and medical fields.

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.

COVID-19 can cause skin issues like rashes and "COVID toes," and people with skin conditions should adjust their treatments if they get the virus.

No treatment fully prevents hair loss from chemotherapy yet.

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

Pregnancy can cause skin pigmentation, stretch marks, and changes in hair, nails, and sweat glands, with most resolving after birth.

Treatments for permanent hair loss from scarring aim to stop further loss, not regrow hair, and vary by condition, with partial success common.

Androgens block hair growth by disrupting cell signals; targeting GSK-3 may help treat hair loss.

The circadian clock is crucial for tissue renewal and regeneration, affecting stem cell functions and having implications for health and disease.

Layer-by-Layer self-assembly is promising for biomedical uses like tissue engineering and cell therapy, but challenges remain in material safety and process optimization.

Platelet-rich plasma might help tissue regeneration in dentistry, but results vary and more research is needed.

Mammals might fail to regenerate not because they lack the right cells, but because of how cells respond to their surroundings, and changing this environment could enhance regeneration.

NF-κB is crucial for zebrafish heart repair, affecting heart cell growth and repair processes.

Keratin 15 is not a reliable sole marker for identifying epidermal stem cells because it's found in various cell types.

Treatments for melanin disorders exist, but more effective options needed.

Changes to the Foxp3 protein affect how well regulatory T cells can control the immune system, which could help treat immune diseases and cancer.

Animal models have helped understand hair loss from alopecia areata and find new treatments.

The conclusion is that tissue structure is key for stem cell communication and maintaining healthy tissues.

Activin helps skin growth and healing mainly through stromal cells and affects keratinocytes based on its amount.

Lichen Planopilaris and Frontal Fibrosing Alopecia may help us understand hair follicle stem cell disorders and suggest new treatments.

Platelet-rich plasma may have some benefits in dermatology, but there's not enough evidence to widely recommend its use.

Muscles and nerves that cause goosebumps also help control hair growth.