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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.

Follicular unit grafting is a procedure used to treat hair loss, where small hair grafts are placed into the scalp, with future treatments likely to involve smaller incisions and cell-based therapies.

Calcium affects where root hairs grow, but other unknown factors determine their growth direction.

Hair follicles significantly increase the speed and amount of caffeine absorbed through the skin.

MIM is crucial for hair follicle formation and regeneration by controlling cilia formation and hedgehog signaling through its interaction with Cortactin and Src.

Scientists turned rat thymus cells into stem cells that can help repair skin and hair.

Removing both Atr and Trp53 genes in adult mice causes severe tissue damage and death due to DNA damage.

Versican, a protein, is less present in thinning hair follicles and this decrease might contribute to common hair loss in men.

Human hair follicles can make and process prostaglandins, which may affect hair growth.

Laser hair removal improves quality of life but emotional benefits decrease over time, suggesting more treatments are needed for lasting effects.

Hair loss can indicate underlying systemic diseases and addressing these can sometimes reverse the hair loss.

CLE40 and CRN/CLV2 pathways have opposite effects on root growth in Arabidopsis.

Basal cell carcinomas have much higher levels of Vitamin D3 receptors compared to healthy skin.

Mobile phone radiation can cause DNA damage in human hair root cells.

Cell-based therapies using dermal papilla cells and adipocyte lineage cells show potential for hair regeneration.

Low testosterone and 5α-reductase inhibitors can harm men's metabolic and sexual health; testosterone therapy may help, but discussing 5α-RIs' side effects is important.

The article concludes that developing in vitro models for human hair structures is important for research and reducing animal testing, but there are challenges like obtaining suitable samples and the models' limitations.

Adenosine helps hair grow longer and stronger by boosting certain growth factors and signaling pathways.

PBX1 helps hair stem cells grow and change by turning on certain cell signals and preventing cell death, which may be useful for hair regrowth treatments.

An enzyme other than TNAP might be responsible for vitamin B-6 metabolism in the skin.

PRP injections increase hair density and diameter in female androgenetic alopecia patients.

Procyanidins from grape seeds reduce nerve pain by blocking specific proteins and inflammation.

Dutasteride is safe and effective for treating hair loss, but may decrease libido.

The osteopontin gene is active in a specific part of rat hair follicles during a certain hair growth phase and might affect hair cycle and diseases.

Finasteride effectively treats enlarged prostate and male baldness, improves symptoms of hirsutism in women, but doesn't work for acne, and may delay prostate cancer progression with few side effects.

Scientists developed a method to grow human fetal skin and digits in a lab for 3-4 weeks, which could help study skin features and understand genetic interactions in tissue formation.

Wnt activation shows promise for regenerative medicine but requires selective targeting to minimize risks like cancer.

A new method accurately measures steroid hormones in a few hair strands and could help study chronic stress and hair loss.

L-cystine and vitamin B6 at high doses prevented hair loss in mice treated with a chemotherapy drug.

Laser treatment improves hair density and increases growth factors in androgenetic alopecia.