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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.

Artificial skin development has challenges, but new materials and understanding cell behavior could improve tissue repair. Also, certain growth factors and hydrogel technology show promise for advanced skin replacement therapies.

Metformin helps manage polycystic ovary syndrome by improving insulin resistance and ovulation, but more research is needed on its full effects.

High levels of male hormones, insulin resistance, and obesity are closely linked and worsen polycystic ovary syndrome, but more research is needed to improve treatments.

Regulatory T-cells are important for healing and regenerating tissues in various organs by controlling immune responses and aiding stem cells.

The PDGF/PDGFR pathway is a potential drug target with mixed success in treating various diseases, including some cancers and fibrosis.

The new "differential stripping" method effectively measures how much substance gets into hair follicles.

Tight junctions are key for skin protection and controlling what gets absorbed or passes through the skin.

Nanoparticles improve drug delivery through the skin but more research is needed on their long-term effects and skin penetration challenges.

K_ATP channel gene mutations are linked to heart diseases, but more research is needed to understand the connection and treatment potential.

Androgens, like testosterone, are crucial for early testicular descent in rats.

Hair follicles may soon be used more for targeted and systemic drug delivery.

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

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.

The conclusion is that PCOS is caused by ovarian sensitivity to hormones and disrupted hormone control, possibly due to ovarian factors, and more research is needed.

Allergic reactions to blood thinners are rare but can be serious, requiring careful testing and alternative treatments.

Substances from Chinese medicines show promise for immune support and disease prevention, but the way they are processed affects their effectiveness.

Particles around 100 nm can penetrate and stay in hair follicles without passing through healthy skin, making them safe for use in topical products and useful for targeted drug delivery.

Hair follicles produce and respond to melatonin, affecting hair growth and sensitivity to estrogen.

The AUTS2 gene is linked to neurological disorders and may affect human brain development and cognition.

KGF and activin are crucial for skin healing and repair.

Lignans and neolignans from plants may help protect against various health issues, including cancer and heart disease.

Liposomes could improve how skin care products work but are costly and not very stable.

Melatonin helps regulate hair growth and protects the hair follicle from stress.

Women with epilepsy should be monitored for reproductive issues, which can be caused by epilepsy or its treatments, especially when using valproate.

UV radiation can help sterilize wounds and promote healing but requires careful use to avoid damaging cells.

Skin surface lipids are important for skin health and altering them could help prevent aging and treat skin conditions.

Fullerenes show potential in skin care but need more safety research.

Different soft tissue fillers can cause various skin reactions; biodegradable fillers are safer and non-biodegradable ones like silicone can lead to long-term problems.