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Progeroid mouse models show signs of early aging similar to humans, helping us understand aging better.

Effective sunscreen formulations can reduce skin absorption and enhance protection.

Alkylation of human hair keratin allows for adjustable drug release rates in hydrogels for medical use.

Surgical robots have improved but still can't perform tasks or make decisions on their own.

Increased FGFR2b signaling, influenced by androgens, plays a role in causing acne.

Hair growth can be stimulated by combining certain skin cells, which can rejuvenate old cells and cause them to specialize in hair follicle creation.

New therapies are being developed that target integrin pathways to treat various diseases.

Loss of a specific protein in skin cells causes symptoms similar to psoriasis.

Hair follicles significantly enhance electroosmotic transport during iontophoresis.

Lysophospholipids like LPA and S1P are important for hair growth, immune responses, and vascular development, and could be targeted for treating diseases.

Noggin gene inactivation causes skeletal defects in mice, varying by genetic background.

Diabetes causes lasting cell dysfunctions, leading to serious complications even after blood sugar is controlled.

Stem cells, especially from fat tissue and Wharton's jelly, can potentially regenerate hair follicles and treat hair loss, but more research is needed to perfect the treatment.

Cat claws stay sharp by shedding their outer layer through microcracks formed during activities.

LPA3 signaling in the uterus is crucial for placental formation and fetal development.

The surgery for severe congenital ptosis in children is safe and effective, with good long-term results.

Aging slows wound healing due to weaker cells and immune response.

Stem cells can help other stem cells by producing supportive factors.

Proper incision techniques can make face-lift scars less noticeable.

Human sweat glands have a type of stem cell that can grow well and turn into different cell types.

Radiofrequency treatment helps rejuvenate skin by boosting collagen and blood vessel growth.

Platelet-rich plasma can help grow more mouse hair follicles, but it doesn't work for human hair follicles yet.

Stem cells could improve plastic surgery but are not widely used due to cost and safety concerns.

3D bioprinting improves wound healing by precisely creating scaffolds with living cells and biomaterials, but faces challenges like resolution and speed.

Conditioned medium from keratinocytes can improve hair growth potential in cultured dermal papilla cells.

Chinese domestic goats have unique genetic traits due to domestication and geographic isolation.

The document covers all aspects of plastic and reconstructive surgery, from basic techniques to specific procedures for various body parts.

Higher testosterone levels can increase the risk of certain diseases like type 2 diabetes in women and prostate cancer in men, but can also protect against autoimmune diseases and hair loss. It also affects body fat and bone density.

Fibrodysplasia ossificans progressiva is a rare genetic disorder that causes extra bone growth and symptoms of premature aging.

Platelet-derived bio-products help in wound healing and tissue regeneration but lack standardized methods, and their use in medicine is growing.