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PDGF signaling is crucial for maintaining and renewing hair follicle stem cells, which could help treat hair loss.

St. John's Wort can cause dangerous high blood pressure if taken with certain foods.

The skin is a complex barrier that protects the body, regulates temperature, and helps with immune responses.

Finasteride doesn't reduce sexual function in people with hair loss.

Syphilis has a wide range of symptoms that can look like other diseases, and if not treated, it can progress to a more serious stage, especially in HIV-positive patients.

The study found that a specific area of the hair follicle helps start hair growth by reducing the blocking effects on certain cells and controlling growth signals.

Cells from the base of hair follicles help blood vessel cells survive and grow, which is important for healthy hair.

Potassium channel openers like minoxidil help hair grow by acting on hair follicles.

Human hair follicle stem cells show signs of low oxygen levels, which may be important for hair growth and preventing baldness.

In Brazil in 2018, the most common skin issues were acne, photoaging, and nonmelanoma skin cancer, with treatments often including topical medications and sunscreen.

Two specific hair keratin genes are active during hair growth and decline as hair transitions to rest.

Certain signals are important for reducing specific chemical markers on hair follicle stem cells during rest periods, which is necessary for healthy hair growth.

Placental growth factor may help treat hair loss.

Different hair growth problems are caused by genetic issues or changes in hair growth cycles, and new treatments are being developed.

The article concludes that developing in vitro models for human hair structures is important for research and reducing animal testing, but there are challenges like obtaining suitable samples and the models' limitations.

Nanoencapsulation creates adjustable cell clusters for hair growth.

Hair follicle stem cells and skin cells show promise for hair and skin therapies but need more research for clinical use.

BAF200 is essential for proper heart and coronary artery formation.

Amenorrhea is when a woman doesn't have periods, with primary amenorrhea starting by age 15 or within five years of breast development, and secondary amenorrhea when periods stop for three months. It affects 3-4% of women not pregnant, breastfeeding, or in menopause, mainly due to polycystic ovary syndrome, hypothalamic amenorrhea, hyperprolactinemia, and ovarian failure.

Arachidonic acid helps hair grow by increasing growth factors and improving follicle health.

Loss of Fz6 disrupts hair follicle and associated structures' orientation.

Diagnosing hair loss disorders needs clinical, dermoscopic, and histological differences, and checking menstrual cycle, weight changes, drug therapy, and nail changes.

Certain microRNAs are more common in balding areas and might be involved in male pattern baldness.

Cell-based therapies show promise for treating Limbal Stem Cell Deficiency but need more research.

Smartphone-based teledermatology is effective for diagnosing skin diseases in the military with good accuracy.

Proteins from stem cells improved hair growth in patients with hair loss.

Researchers found that bulge cells from human hair can grow quickly in culture and have properties of hair follicle stem cells, which could be useful for skin treatments.

Endoglin is crucial for proper hair growth cycles and stem cell activation in mice.

Minoxidil helps treat severe high blood pressure.

The document concludes that understanding how adult stem and progenitor cells move is crucial for tissue repair and developing cell therapies.