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Proper control of β-catenin activity is crucial for development and preventing diseases like cancer.

Hair loss in Androgenetic alopecia (AGA) is due to altered cell sensitivity to hormones, not increased hormone levels. Hair growth periods shorten over time, causing hair to become thinner and shorter. This is linked to miscommunication between cell pathways in hair follicles. There's also a change in gene expression related to blood vessels and cell growth in balding hair follicles. The exact molecular causes of AGA are still unclear.

Melanocytes produce melanin; their defects cause vitiligo and hair graying, with treatments available for vitiligo.

Hair ages and thins due to factors like inflammation and stress, and treatments like antioxidants and hormones might improve hair health.

No cure exists for alopecia areata, and treatments are personalized.

Older mice have stiffer skin with less elasticity due to changes in collagen and skin structure, affecting aging and hair loss.

Cannabinoids like CBD and THC may help treat non-cancer skin diseases, but more research is needed.

Cucurbitacin helps mice grow hair by blocking a protein that stops hair growth.

CGF therapy may help hair regrowth and improve scars in DLE patients.

The Chinese herbal supplement BeauTop can potentially boost hair growth and thickness by increasing a protein called Vascular Endothelial Growth Factor.

MJ04, a new compound, effectively promotes hair growth and is a potential topical treatment for hair loss.

Using one's own blood platelets and fat can improve facial and hair appearance without surgery.

Nanomaterials show promise in improving wound healing but require more research on their potential toxicity.

Microneedle technology has advanced for painless drug delivery and sensitive detection but faces a gap between experimental use and clinical needs.

New treatments like nanotechnology show promise in improving skin cancer therapy.

Self-amplifying RNA could be a better option for protein replacement therapy with lower doses and lasting effects, but delivering it into cells is still challenging.

Menopause causes significant changes in the vaginal introitus, but less so in the labia majora, which may lead to symptoms of vaginal atrophy.

Combination pharmacotherapy is generally more effective for treating keloids and hypertrophic scars.

Minoxidil patches and cold plasma may help treat hair loss.

Nanomaterials can significantly improve wound healing and future treatments may include smart, real-time monitoring.

The traditional herbal formulas Yongdamsagan-Tang and Paljung-san, along with the drug finasteride, can reduce inflammation and may work together without affecting each other's effectiveness against benign prostatic hyperplasia.

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.

Human prenatal skin develops an immune network early on that helps with skin formation and healing without scarring.

Baby teeth stem cells can potentially grow organs and treat diseases.

Mice can grow new hair follicles after skin wounds through a process not involving existing hair stem cells, but requiring more research to understand fully.

Exosomes show promise for future tissue regeneration.

Damage to skin releases dsRNA, which activates TLR3 and helps in skin and hair follicle regeneration.

Using skin stem cells and certain molecules might lead to scar-free skin healing.

The study found that stem cells and neutrophils are important for regenerating hair follicle structures in mice.

Nail stem cells and Wnt signaling are important for fingertip regeneration but not sufficient for regenerating more complex limb structures.