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Skin development in mammals is controlled by key proteins and signals from underlying cells, involving stem cells for maintenance and repair.

The conclusion is that tissue structure is key for stem cell communication and maintaining healthy tissues.

Follistatin helps hair growth and cycling, while activin prevents it.

Hidradenitis suppurativa is caused by genetic factors, inflammation, bacteria, hormones, and lifestyle factors like obesity and smoking.

Environmental factors, hormones, nutrition, and stress all significantly affect skin health and aging.

Minoxidil and finasteride are effective for male hair loss, minoxidil for female hair loss, and various treatments like corticosteroids work for alopecia areata; treatment should be tailored to the individual.

Human hair follicle stem cells can turn into multiple cell types but lose some of this ability after being grown in the lab for a long time.

Progress has been made in skin and nerve regeneration, but more research is needed to improve methods and ensure safety.

Exosomes from dermal papilla cells help hair growth by making hair follicle stem cells multiply and change.

Topical drugs and near-infrared light therapy show potential for treating alopecia.

PCOS affects women's health by increasing the risk of diabetes, heart disease, and reproductive issues.

The nude gene causes skin cell overgrowth and improper development, leading to hair and urinary issues.

Shrinking skin cancer increases the chance of cancer in nearby lymph nodes.

Advanced nanocarrier and microneedle drug delivery methods are more effective, safer, and less invasive for treating skin diseases.

Chronic Telogen Effluvium may resolve after years and is diagnosed by examining the patient's history and clinical signs, with treatment aimed at underlying causes and possibly minoxidil.

Human hair follicle cells can grow hair when put into mouse skin if they stay in contact with mouse cells.

Hair follicle stem cells are a promising source for tissue repair and treating skin or hair diseases.

Blocking BMP signaling causes hair loss and disrupts hair growth cycles.

Hedgehog signaling helps keep hair follicle stem cells the same in both young and old human skin.

Hair growth is influenced by interactions between skin layers, growth factors, and hormones, but the exact mechanisms are not fully understood.

Light can turn on hair growth cells through a nerve path starting in the eyes.

Activating Nrf2 protects human hair follicles from oxidative stress and helps prevent hair growth inhibition.

Photothermal hydrogels are promising for infection control and tissue repair, and combining them with other treatments could improve results and lower costs.

Improving the environment and cell interactions is key for creating human hair in the lab.

Brain hormones significantly affect hair color and could potentially be used to prevent or reverse grey hair.

Research on epidermal stem cells has advanced significantly, showing promise for improved clinical therapies.

Parathyroid hormone-related protein helps control hair growth phases in mice.

About 13% of women had idiopathic hirsutism and 8.5% had polycystic ovary syndrome in a group of Iranian women.

Metformin has limited effectiveness for improving PCOS symptoms and lacks clear benefits, needing more research to confirm its efficacy.

RANK is a key target in breast cancer treatment due to its role in tumor growth and bone metastasis.