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Using a drug to activate bone marrow stem cells can help the liver regenerate and function better after major surgery in rats.

COVID-19 can cause skin issues like chilblains and rashes, which may help in early detection, especially in patients without other symptoms.

The document concludes that the understanding of scar formation is incomplete and current prevention and treatment for hypertrophic scars and keloids are not fully effective.

Overexpression of SSAT causes hair loss and skin issues, but reducing putrescine can help.

Peptide hydrogels show promise for healing skin, bone, and nerves but need improvement in stability and compatibility.

Stress in hair follicle stem cells causes inflammation in a chronic skin condition through a specific immune response pathway.

The experiment showed that human skin grown in the lab started to form early hair structures when special cell clusters were added.

The protein EZH2 blocks microRNA-22, increasing STK40 protein, which helps hair follicle stem cells change and grow hair.

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.

COVID-19 may harm male fertility and damage the reproductive system.

Platelet-rich plasma (PRP) shows promise in skin and hair treatments but results vary with preparation methods.

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 gene SDR5A1 is found in scalp hair of both hirsute and normal individuals, but it does not explain differences in hair growth.

Genetic mutations can affect female sexual development, requiring personalized medical care.

Luteolin can reduce hair graying in mice, with external treatment being more effective.

Too much Smad7 can cause serious changes in skin tissues, including problems with hair growth, thymus shrinkage, and eye development issues.

The document is a detailed medical reference on skin and genetic disorders.

The "Two-Cell Assemblage" assay is a new, simple method to identify substances that may promote hair growth.

The Foxn1(-/-) nude mouse shows disrupted and expanded skin stem cell areas due to high Lhx2 levels.

Stem cell therapies could be a promising alternative for hair loss treatment, but more research is needed to understand their full potential and safety.

Human skin xenografting could improve our understanding of skin development, renewal, and healing.

Sponges made of soy protein and β-chitin with human cells from hair or fat can speed up healing of chronic wounds.

New injectable hydrogels with gelatin, metal, and tea polyphenols help heal diabetic wounds faster by controlling infection, improving blood vessel growth, and managing oxidative stress.

Ancient Chinese goats evolved cashmere-producing traits due to selective breeding, particularly in genes affecting hair growth.

Researchers developed a 3D model of human hair follicle cells that can help understand hair growth and test new hair loss treatments.

The document concludes that the 5 alpha-reductase enzymes are important in steroid metabolism and related to various human diseases, with inhibitors used to treat conditions like male pattern baldness and prostate issues.

The Brazilian Society of Dermatology agrees that oral isotretinoin is effective for acne and other skin conditions, and it's safe when monitored, but more research is needed on dosing and duration.

Human skin produces sex hormones like estrogen and testosterone, influenced by ARO and StAR, which may affect skin elasticity and hair growth.

The trial is testing if a helmet that uses light can prevent hair loss during chemotherapy.

Brain-made chemicals can control nerve cell function differently in various parts of a mouse's brain, which may help us understand neurological conditions.