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Neurotrophin-4 increases calcium current in specific mouse neurons through the PI3K pathway.

Hair transplant surgery reduces scalp sensitivity by almost 40%, and smokers have less scalp sensitivity than non-smokers. The time since surgery doesn't significantly affect this.

Dynamic, light touch is sensed through a common mechanism involving Piezo2 channels in sensory axons.

A new tool can analyze hair to detect changes due to hormones, genetics, and aging.

A compound named ZCZ90 can increase muscle spindle firing, potentially helping treat muscle spasms and hypertension.

Stress increases nerve fibers and immune cell activity in mouse skin, possibly worsening skin conditions.

Different types of skin cells play specific roles in development, healing, and cancer.

Scientists found a specific group of itch-sensing nerve cells in mice important for feeling itch but not for sensing heat or touch.

Sleep problems and skin issues affect each other; poor sleep can worsen skin conditions, and some skin treatments can improve or harm sleep quality.

Hair follicle stem cells are crucial for touch sensation and proper nerve structure in mice.

The hair test for vitamin D could be a useful alternative to blood tests, providing a longer-term vitamin D status, but more research is needed.

Hair's internal fibers are arranged in a pattern that doesn't let much water in, and treatments like oils and heat change how much water hair can absorb.

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

The patient's long-term hair loss was caused by leukemia treatments and low estrogen levels, worsened by her genetic tendency for hair loss.

Temporal hair loss relates to overall scalp hair loss in women.

Sonicated platelet-rich plasma boosts hair growth by activating stem cells.

Scalp reduction can effectively treat male pattern baldness, with most patients satisfied and few complications.

Men with Frontal fibrosing alopecia typically lose hair on the front scalp and sometimes on sideburns and upper lip, with treatments showing varied success.

Melanin density affects hair color, and this method can help in cosmetic assessments and diagnosing hair diseases.

Permanent hair dyes use chemicals that react with hydrogen peroxide to create color.

The document concludes that regenerating functional ectodermal organs like teeth and hair is promising for future therapies.

Skin healing from blisters can delay hair growth as stem cells focus on repairing skin over developing hair.

Hair loss in women is complex to diagnose and treat, and hair restoration should be done by experts. Using minoxidil before surgery can help manage post-surgery hair shock loss. The Follicular Unit Transplantation method is recommended for women due to its speed, no need for shaving, and better graft quality. Strategies like L, T, and reverse L patterns can help restore central hair density, and regenerative methods can improve graft survival in hair transplants.

Scientists have made progress in creating replacement teeth, hair, and glands that work, which could lead to new treatments for missing teeth, baldness, and dryness conditions.

Regenerated fully functional hair follicles using stem cells, with potential for hair regrowth therapy.

Hair cortisol is a reliable stress indicator in cattle but may not be valid for pigs.

Regenerative therapies show promise for treating vitiligo and alopecia areata.

Hair growth is influenced by various body and external factors, and neighboring hairs communicate to synchronize regeneration.

Herbal hair dyes from tannin-rich plants are effective and safer than synthetic dyes.

Henna mixed with PPD can cause skin reactions, scarring, and a specific type of baldness, and needs more research to understand these effects.