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Melatonin may benefit skin health and could be a promising treatment in dermatology.

Regenerated fully functional hair follicles using stem cells, with potential for hair regrowth therapy.

Erectile dysfunction is increasingly common in men under 40, with many physical and psychological causes, and various treatment options available.

Alopecia areata involves immune activation in the scalp, suggesting treatments targeting TH1, TH2, and IL-23 pathways.

COVID-19 can cause different skin symptoms that may help with early diagnosis and show how severe the disease is.

Wnt signaling controls whether hair follicle stem cells stay inactive or regenerate hair.

The document concludes that the exact way alcohol causes harm to fetal development is unknown, but it significantly affects nutrient transport to the fetus and a safe level of alcohol during pregnancy is not determined.

DrugNet effectively identifies new uses for existing drugs and may save resources in drug development.

Memory T cells in the skin balance staying put and moving into the blood, clustering around hair follicles, and increasing in number after infection.

Male pattern baldness involves genetics, hormones, and needs better treatments.

New research suggests that skin cell renewal may not require a special type of cell previously thought to be essential.

Keratinocytes help heal skin wounds by interacting with immune cells and producing substances that kill pathogens.

The Sonic hedgehog pathway is crucial for new hair growth during mouse skin healing.

Some viruses can cause cancer by changing cell processes and avoiding the immune system; vaccines and targeted treatments help reduce these cancers.

The niche environment controls stem cell behavior and plasticity, which is important for tissue health and repair.

Masculine facial features may not reliably indicate heritable health, and more research is needed.

Different types of stem cells with unique roles exist in blood, skin, and intestines, and this variety is important for tissue repair.

Stem cell therapy, particularly using certain types of cells, shows promise for treating hair loss by stimulating hair growth and development, but more extensive trials are needed to confirm these findings.

Exosomes could potentially enhance tissue repair and regeneration with lower rejection risk and easier production than live cell therapies.

Fat-derived stem cells show promise for skin repair and reducing aging signs but need more research for consistent results.

Modulating BMP activity changes the number, size, shape, and type of ectodermal organs.

The conclusion is that Treg-targeted therapies have potential, but more knowledge of Treg biology is needed for effective treatments, including for cancer.

Silver nanoparticles coated with substances like PEG showed strong antibacterial effects and improved wound healing when used in hydrogels.

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.

Damage to skin releases dsRNA, which activates TLR3 and helps in skin and hair follicle regeneration.

Normal skin cell renewal doesn't need RAR signaling, but vitamin A-related skin thickening does.

Foxp3 is crucial for regulatory T cell function, and targeting these cells may help treat immune disorders.

Men generally have more severe COVID-19 cases and higher death rates than women due to biological differences.

Fat cells in the skin help start healing and form important repair cells after injury.

Stem cell plasticity is crucial for wound healing but can also contribute to cancer development.