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Different processes create patterns in skin and things like hair and feathers.

Acetate helps reduce depression in rats with PCOS by lowering specific gene expression and DNA changes in the brain.

Environmental factors can cause mutations in skin proteins, leading to skin disorders.

Skin patterns are formed by simple reaction-diffusion mechanisms.

New gene identification techniques have improved the understanding and classification of inherited hair disorders.

Altered DNA methylation may be a marker for Polycystic Ovary Syndrome.

The SOSTDC1 gene is crucial for determining sheep wool type.

Minoxidil and Finasteride are effective for male baldness; more research is needed for hair aging treatments.

Hair proteins in preschool children and their mothers could indicate developmental changes and health status.

The environment around the time of conception can change the VTRNA2-1 gene in a way that lasts for years and may affect disease risk.

Androgens are important for normal ovarian function and estrogen production, but may not be the main cause of follicle death.

Feather patterns form through genetic and epigenetic controls, with cells self-organizing into periodic patterns.

Male hormones cause different growth in identical human hair follicles due to their unique epigenetic characteristics.

Understanding how epigenetic regulation affects stem cells is key to cancer insights and new treatments.

DNA methylation is essential for skin and hair follicle development, and could be a target for treating skin diseases.

The document concludes that sexual and psychiatric side effects from 5-alpha-reductase inhibitors are reported, but more high-quality research is needed to understand how often they occur.

UV radiation may cause DNA changes in skin, certain UVB therapy helps psoriasis, a new gene mutation is linked to mild piebaldism, different immune cells affect psoriasis, a drug promotes hair growth, and some cancer drugs could treat skin barrier issues.

The document concludes that understanding hair follicle cell cycles is crucial for hair growth and alopecia research, and recommends specific techniques and future research directions.

New treatments targeting skin stem cells show promise for skin repair, anti-aging, and cancer therapy.

DNA methylation and long non-coding RNAs are key in controlling hair growth in Cashmere goats.

Feather patterns are influenced by enhancers and chromatin looping, and the structure of protein complexes important for hair growth has been detailed.

Different types of stem cells exist within individual skin layers, and they can adapt to damage, transplantation, or tumor growth. These cells are regulated by their environment and genetic factors. Tumor growth is driven by expanding, genetically altered cells, not long-lived mutant stem cells. There's evidence of cancer stem cells in skin tumors. Other cells, bacteria, and genetic factors help maintain balance and contribute to disease progression. A method for growing mini organs from single cells has been developed.

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.

The document concludes that understanding hair and feather regeneration can help develop new regenerative medicine strategies.

Gonadal hormones significantly affect the severity of alopecia areata in mice.

Sex hormones affect hair growth and loss, and treatments for related hair diseases include various medications, hair transplantation, and light therapy.

The hydrogels help harvest cells while preserving their mechanical memory, which could improve wound healing.

Lower levels of certain genes in hair cells improve hair loss treatment outcomes.

The review concludes that more research is needed to better improve the health outcomes for people with Polycystic Ovarian Syndrome.

PCOS has a strong genetic basis, but more research is needed to fully understand it.