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Calcium affects where root hairs grow, but other unknown factors determine their growth direction.

Hair and wool have complex microscopic structures with microfibrils and varying cystine content.

Stem cell niches support, regulate, and coordinate stem cell functions.

Early diagnosis and individualized treatment improve outcomes for Congenital Adrenal Hyperplasia.

Follicular Unit Extraction (FUE) is a less invasive hair transplant method with minimal scarring, suitable for about 60% of patients, especially those needing fewer grafts and quicker recovery.

Nanoparticles improve drug delivery through the skin but more research is needed on their long-term effects and skin penetration challenges.

Some viruses can cause cancer by changing cell processes and avoiding the immune system; vaccines and targeted treatments help reduce these cancers.

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

The niche environment controls stem cell behavior and plasticity, which is important for tissue health and repair.

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

Different types of stem cells with unique roles exist in blood, skin, and intestines, and this variety is important for tissue repair.

Horizontally sectioned scalp biopsies are more reliable for diagnosing hair loss in women when three samples are taken instead of one.

Different types of stem cells and their environments are key to skin repair and maintenance.

Fat-derived stem cells show promise for skin repair and reducing aging signs but need more research for consistent results.

Foxp3 is crucial for regulatory T cell function, and targeting these cells may help treat immune disorders.

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

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

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

The research identified various cell types in mouse and human teeth, which could help in developing dental regenerative treatments.

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

A WNT10A gene mutation leads to ectodermal dysplasia by disrupting cell growth and differentiation.

The document concludes that adult mammalian skin contains multiple stem cell populations with specific markers, important for understanding skin regeneration and related conditions.

5α‐reductase isozymes are crucial for prostate development and health, and targeting them can help prevent and treat prostate issues.

Researchers found a specific immune receptor in patients that causes severe skin reactions to a drug.

New hormonal contraceptives are safer, have fewer side effects, and offer health benefits for women.

Women with PCOS may take longer to get pregnant but can have a normal family size, and should manage their overall health to reduce long-term health risks.

Finasteride treats enlarged prostate, shrinks it, improves urination, but may cause sexual dysfunction and isn't for women or children.

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

Certain steroids in the brain affect mood and symptoms of depression, and treatments targeting these steroids show promise for improving these symptoms.

Stress hormone corticosterone blocks a growth factor to slow down hair stem cell activity and hair growth.