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Stem cells regenerate tissues and their behavior varies by environment, suggesting the hematopoietic system model may need revision.

Adding 1% hair fibers to brake materials improves friction and wear, making them more effective.

The textbook "Dermatology" is highly recommended for its comprehensive content, user-friendly design, and extensive visual aids.

Skin stem cells are crucial for maintaining and repairing the skin and hair, using a complex mix of signals to do so.

Hair follicles are complex, dynamic mini-organs that help us understand cell growth, death, migration, and differentiation, as well as tissue regeneration and tumor biology.

Hair growth is cyclic and influenced mainly by local factors.

VEGF helps hair grow and determines follicle size by increasing blood vessel growth.

Experts recommend using evidence-based methods to diagnose and treat hirsutism, focusing on symptoms and underlying causes.

Basal cell carcinoma mostly starts from cells in the upper skin layers, not hair follicle stem cells.

Polymeric nanoparticles show promise for treating skin diseases.

Dermoscopy is a useful tool for identifying features of skin conditions, but more research is needed to define its role in dermatology.

Chitin and chitosan are useful in cosmetics for oral care, haircare, and skincare, including UV protection and strength improvement.

Scientists have found a way to create hair follicles from skin cells of newborn mice, which can grow and cycle naturally when injected into adult mouse skin.

Skin cells produce and activate vitamin D, which regulates skin functions and supports hair growth.

Researchers created human hair follicles using a new method that could help treat hair loss.

Chemotherapy-induced hair loss significantly affects patients' well-being, and nurses are key in helping them cope, but more research is needed to find effective treatments.

Vitamin D and its receptor regulate skin functions like cell growth, immunity, hair cycle, and tumor prevention.

Pig skin is a good substitute for human skin to measure drug absorption, but differences in skin structure and enzymes across species must be considered.

Cathepsin L is essential for normal hair growth and development.

The document concludes that while significant progress has been made in understanding skin biology and stem cells, more research is needed to fully understand their interactions with their environment.

Animals that change color with the seasons mainly do so in response to daylight changes, but climate change is causing camouflage problems that may require evolutionary changes.

The document concludes that understanding the sebaceous gland's development and function is key to addressing related skin diseases and aging effects.

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.

Activating TRPV3 stops human hair growth.

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

Thymosin β4 promotes hair growth by activating stem cells in hair follicles.

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.

Sericin hydrogels heal skin wounds well, regrowing hair and glands with less scarring.

The nude gene causes skin cell overgrowth and improper development, leading to hair and urinary issues.

Early onset and pustules indicate severe hair follicle inflammation, and while antibiotics help, the condition often worsens after treatment stops.