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Microneedles improve drug delivery in various body parts, are safe and painless, and show promise in cosmetology, vaccination, insulin delivery, and other medical applications.

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.

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.

Inflammation may be linked to hair loss, and targeting specific enzymes could help treat it.

Mice hair growth patterns get more complex with age and can change with events like pregnancy or injury.

Testosterone's muscle-building effects do not require its conversion to DHT.

No single treatment is consistently effective for alopecia areata, and more research is needed.

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

Finasteride and minoxidil are effective for hair regrowth, while treatments for alopecia areata have varying success and continuous treatment is necessary.

The update highlights that non-classic congenital adrenal hyperplasia is common in women with excess male hormones, requires specific hormone tests for diagnosis, and has various treatment options depending on age and symptoms.

Macrophages help regrow hair by activating stem cells using AKT/β-catenin and TNF.

Smoking harms the skin, causing early aging and increasing cancer risk, but stopping smoking can improve skin health.

Some drugs can cause skin, nail, and hair problems, which are important for healthcare professionals to recognize and report.

Aminopterin strongly suppresses epithelial tissues and can treat certain skin conditions but has significant side effects.

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.

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

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

Inhibiting 5α-reductase can help reduce prostate cancer risk and improve treatment.

Overexpressing Dsg3 in mice skin causes excessive cell growth and abnormal skin development.

We need more research to better understand human hair follicle stem cells for improved treatments for hair loss and skin cancer.

Both genes and environmental factors like chemicals may contribute to the increase in hypospadias, but the exact causes are still unclear.

Nerves and chemicals in the body can affect hair growth and loss.

The study found that two enzymes linked to hair loss are located in different parts of the scalp, supporting a common treatment's effectiveness.

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

Prolactin affects hair growth and skin conditions, and could be a target for new skin disease treatments.

The sebaceous gland has more roles than just producing sebum and contributing to acne, and new research could lead to better skin disease treatments.

Hormones and metabolism play a complex role in prostate enlargement, and more research is needed to improve diagnosis and treatment.

Sensitive skin is often caused by nerve fibers and environmental factors, and can be managed with mild skincare and professional advice.

A new gene mutation causes female pseudohermaphroditism due to glucocorticoid resistance.