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Microneedles improve drug delivery in various body parts, are safe and painless, and show promise in cosmetology, vaccination, insulin delivery, and other medical applications.

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

The enzyme 25 Hydroxyvitamin D 1 α-Hydroxylase is essential for healthy skin and recovery after skin damage.

Male hormones affect COVID-19 severity and certain drugs targeting these hormones could help reduce the risk.

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

K6hf is a unique protein found only in a specific layer of hair follicles.

Eating less sugar, milk, and saturated fats and more vegetables and fish may help treat and prevent acne.

Estrogen replacement can improve skin health in menopausal women but doesn't reverse sun damage or prevent hair loss.

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

Estrogen loss during menopause worsens skin health, but hormone replacement therapy may improve it, though more research is needed.

Finasteride effectively blocks enzyme causing male pattern baldness.

Low oxygen conditions increase the hair-growing effects of substances from fat-derived stem cells by boosting growth factor release.

Human dermal fibroblasts are the main cells targeted by a virus that can cause a deadly skin cancer, and a certain inhibitor can effectively block this infection.

TGF-β signaling is crucial for stem cell maintenance, differentiation, and has implications for cancer treatment.

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

Macrophages help heal nerves by aiding the maturation of Schwann cells and are important for nerve repair.

Estrogen Receptor ß (ERß) is the main hormone controller in human skin and hair follicles, not Estrogen Receptor α (ERα) or the Androgen Receptor (AR).

Prolactin contributes to hair loss by promoting hair follicle shrinkage and cell death.

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

Choosing the right patients, using proper techniques, and having thorough knowledge are key to preventing and managing dermal filler complications.

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

MicroRNA-302 helps improve the conversion of body cells into stem cells by blocking NR2F2.

Hair follicles produce and respond to melatonin, affecting hair growth and sensitivity to estrogen.

Cytokeratin 19 and cytokeratin 15 are key markers for monitoring the quality and self-renewing potential of engineered skin.

Platelet-rich plasma might help with hair growth and skin conditions, but more research is needed to prove its effectiveness and safety.

Potassium channel openers are effective in treating heart conditions, high blood pressure, pulmonary diseases, bladder issues, and hair loss, but more selective drugs are needed.

Macrophages help regrow hair by activating stem cells using AKT/β-catenin and TNF.

The article concludes that the wool follicle is a valuable model for studying tissue interactions and has potential for genetic improvements in wool production.

Scientists turned rat thymus cells into stem cells that can help repair skin and hair.

Tiny particles from stem cells help activate hair growth cells and encourage hair growth in mice without being toxic.