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Metformin helps with menstrual cycles and insulin levels in PCOS but is less effective for hair growth, diabetes prevention, and weight loss, and may improve fertility and reduce diabetes risk.

Different types of fibroblasts play various roles in diseases and healing, and more research on them could improve treatments.

The skin is a complex barrier for drug penetration, but understanding its structure and interactions can improve drug delivery methods.

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.

Menopause can lead to skin and hair problems due to hormonal changes, but hormone replacement therapy might help slow these effects.

New effective scar treatments are urgently needed due to the current options' limited success.

Chitosan nanofiber scaffolds improve skin healing and are promising for wound treatment.

Young adults have about 230,000 tactile nerve fibers, decreasing 5-8% per decade with age.

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.

Wharton’s Jelly stem cells from the umbilical cord improve skin healing and hair growth without scarring.

MDP hydrogel heals wounds faster and better than other treatments in diabetic mice.

Isotretinoin's effects and side effects, like birth defects and depression, might be due to it causing cell death in various cells.

Nanoparticles can enter the skin, potentially causing toxicity, especially in damaged skin.

Dermatologists play a key role in treating skin symptoms of PCOS like dark patches, excess hair, acne, and hair loss.

The extracellular matrix is crucial for controlling skin stem cell behavior and health.

Hydrogels could lead to better treatments for wound healing without scars.

Oral retinoids can cause side effects ranging from mild to severe, including birth defects, and require careful monitoring and contraception.

Some skin conditions may indicate metabolic syndrome, which could help with early detection and management of related health issues.

Using sharp tools and the right techniques in hair transplant surgery leads to less damage to hair follicles.

Lymphatic vessels develop from various cell types and mechanisms, not just veins.

Baricitinib helps treat several diseases, including COVID-19, but has side effects and needs careful monitoring.

The skin is the largest organ, protecting the body, regulating temperature, and producing hormones.

Blocking the prolactin receptor might help treat various diseases, but more research is needed.

Genetic and environmental factors, like smoking and exercise, affect male hair loss.

Genetically-altered adult stem cells can help in wound healing and are becoming crucial in regenerative medicine and drug design.

Fibroblasts, cells usually linked to tissue repair, also help regenerate various organs and their ability decreases with age. Turning adult fibroblasts back to a younger state could be a new treatment approach.

The review concluded that keeping the hair-growing ability of human dermal papilla cells is key for hair development and growth.

SJS/TEN survivors often have severe, overlooked long-term physical problems that are not properly treated after leaving the hospital.

Platelet-rich plasma can help grow more mouse hair follicles, but it doesn't work for human hair follicles yet.