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Alopecia areata is an autoimmune disease causing patchy hair loss, often with other autoimmune disorders, but its exact causes are unknown.

Use minoxidil for hair loss treatment; assess results after 6 months.

K_ATP channel gene mutations are linked to heart diseases, but more research is needed to understand the connection and treatment potential.

Skin aging is due to impaired stem cell mobilization or fewer responsive stem cells.

Keratose, derived from human hair, is a non-toxic biomaterial good for tissue regeneration and integrates well with body tissues.

Vitamin D is important for skin health and may affect conditions like psoriasis and hair loss, but more research is needed to understand its role fully.

Transplant success has improved with better immunosuppressive drugs and donor matching.

Protoporphyrin IX is useful in cancer treatment but can cause health problems if not properly regulated.

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

Matriptase is crucial for keeping epithelial tissues healthy and functioning properly.

Stem cells in the hair follicle are regulated by their surrounding environment, which is important for hair growth.

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.

Low doses of some substances can be beneficial, while high doses can be harmful or toxic.

Oxidative stress contributes to hair graying and loss as we age.

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

New targets for making and using brain-synthesized steroids could lead to better treatments for brain disorders and alcoholism.

The telogen phase of hair growth is active and important for preparing hair follicles for regeneration, not just a resting stage.

Understanding how cells die in the skin is important for treating skin diseases and preventing hair loss.

Fibroblast growth factor receptor signaling controls cell development and repair, and its malfunction can cause disorders and cancer, but it also offers potential for targeted therapies.

The hydrogel with a 1:3 ratio of hydroxyethyl cellulose to hyaluronic acid is effective for delivering drugs through the skin to treat acne.

Men, especially older ones with health issues like prostate cancer, may have worse COVID-19 outcomes and could benefit from therapies targeting male hormones.

Melatonin helps regulate hair growth and protects the hair follicle from stress.

Stress increases a factor in mice that leads to hair loss, and blocking this factor may prevent it.

Lowering testosterone speeds up wound healing in male mice.

Drospirenone is a unique progestin with anti-water retention and potential blood pressure benefits, used in birth control and hormone therapy.

Men with hair loss experience lower quality of life, worsened by factors like age, severity, and treatment history.

Hair loss in men treated best with early medication or transplant, new treatments researched.

Androgens can both stimulate and cause hair loss, and understanding their effects is key to treating hair disorders.

A cluster of sulfur-rich hair protein genes was found on chromosome 17.

Hormones and metabolism play a complex role in prostate enlargement, and more research is needed to improve diagnosis and treatment.