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Forensic hair analysis for drugs is now more reliable and accurate.

A device was made in 2008 to measure hair loss severity. Other findings include: frizzy mutation in mice isn't related to Fgfr2, C/EBPx marks preadipocytes, Cyclosporin A speeds up hair growth in mice, blocking plasmin and metalloproteinases hinders healing, hyperbaric oxygen helps ischemic wound healing, amniotic membranes heal wounds better than polyurethane foam, rhVEGF165 from a fibrin matrix improves tissue flap viability and induces VEGF-R2 expression, and bFGF enhances wound healing and reduces scarring in rabbits.

Isotretinoin and tazarotene help treat acne, while minoxidil and finasteride promote hair growth.

TS-SCLF from fermented Schisandra chinensis may promote hair growth and improve hair quality.

Hair follicle studies suggest that maintaining telomere length could help treat hair loss and graying, but it's uncertain if mouse results apply to humans.

Inflammation, possibly triggered by a specific bacteria and activated by UV radiation, may contribute to male pattern baldness.

CXXC5 can both suppress and promote cancer, making it a complex target for treatment.

The NUDT15 R139C variant causes thiopurine-induced leukocytopenia through a different mechanism than previously thought in Japanese patients with inflammatory bowel disease.

Progeroid mouse models show signs of early aging similar to humans, helping us understand aging better.

Notch signaling is essential for healthy skin and hair follicle maintenance.

Circadian clock genes are important for hair growth and may affect aging-related hair loss and graying.

Baricitinib reduces inflammation and improves cell health in premature aging cells.

Non-coding RNAs could help detect and treat radiation damage.

SIRT7 protein is crucial for starting hair growth in mice.

Melanoma's complexity requires personalized treatments due to key genetic mutations and tumor-initiating cells.

Stress can cause early aging in certain skin cells, leading to problems with hair growth.

The conclusion is that understanding how hair follicle stem cells live or die is important for maintaining healthy tissue and repairing injuries, and could help treat hair loss, but there are still challenges to overcome.

Low selenium levels can extend lifespan but worsen health issues.

Studying premature aging syndromes helps understand human aging and suggests potential treatments.

Hair graying may be caused by stem cell depletion from stress or melanocyte damage.

VDR regulation varies by tissue and is crucial for its biological functions.

Testosterone's effects on COVID-19 are unclear and need more research.

Foxp1 helps control hair stem cell growth and response to stress during hair growth cycles.

Increased ODC activity leads to skin tumors by recruiting stem cells, not by toxic byproducts.

Researchers created a rat model to study skin damage caused by radiation, which could help develop new treatments.

The same hormone can affect gene expression differently in various tissues, which could lead to new treatments for conditions like hair loss.

Tiny particles called extracellular vesicles show promise for treating skin conditions and promoting hair growth.

More high-quality research is needed to recommend flavonoids and saponins for clinical use.

Hair dye ingredient PPD causes cell death and aging in human hair cells by altering microRNA levels.

ODC overexpression in hair cells increases tumor growth by reducing Notch signaling.