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Microneedle arrays with nanotechnology show promise for painless drug delivery through the skin but need more research on safety and effectiveness.

Ginsenoside F2 from ginseng may increase hair growth better than standard treatments by affecting cell growth signals.

Leptin, a hormone, is important for starting hair growth.

Neurosteroids change how GABA_A receptors work in the brain, which could be important for treating temporal lobe epilepsy.

Using fat stem cells and blood cell-rich plasma together improves healing in diabetic wounds by affecting cell signaling.

Androgens may block hair growth signals, targeting this could treat hair loss.

Human alpha defensin 5 helps heal wounds, reduce bacteria, and grow hair on burned skin.

5-alpha reductase inhibitors slightly increase the risk of sexual and mood side effects, and breast growth in men.

Researchers created a new mouse model for studying Citrullinemia Type I and similar conditions, showing symptoms and treatment responses like those in humans.

Finasteride treatment changes brain steroid levels and receptors, affecting brain function even after stopping treatment.

Proper control of β-catenin activity is crucial for development and preventing diseases like cancer.

Activin activation in skin cells speeds up wound healing without affecting scar quality.

The enzyme 5α-reductase is key in causing psychotic-like effects from sleep deprivation.

Somatostatin may help protect hair follicles from immune attacks.

AIRE-deficient rats developed severe autoimmune disease similar to APECED, useful for testing treatments.

3-Deoxysappanchalcone helps human hair cells grow and stimulates hair growth in mice by affecting certain cell signaling pathways.

ADSC-CE treatment safely increases hair density and thickness in androgenetic alopecia patients.

R-spondins and their receptors help increase bone growth and may be used to treat bone loss diseases.

Different processes create patterns in skin and things like hair and feathers.

Runx1 controls fat-related genes important for normal and cancer cell growth, affecting skin and hair cell behavior.

The environment around melanocyte stem cells is key for hair regeneration and color, with certain injuries affecting hair color and potential treatments for pigmentation disorders.

Finasteride can cause sexual problems and depression in young men.

Retinoids increase steroid sulfatase activity in leukemia cells through RARα/RXR and involves certain pathways like phosphoinositide 3-kinase and ERK-MAP kinase.

DHT stops hair regrowth in mice, similar to human hair loss.

Blocking the FGF5 gene in sheep leads to more fine wool and active hair follicles due to changes in certain cell signaling pathways.

Mice with LSS deficiency showed hair loss and cataracts, similar to humans, and can help in understanding and treating this condition.

Nano-sized lipid particles increase dexamethasone's skin penetration and create a reservoir in the skin layers.

Dutasteride works better than finasteride for hair loss, with both being safe to use.

The conclusion is that skin and hair patterns are formed by a mix of cell activities, molecular signals, and environmental factors.

Dihydrotestosterone (DHT) doesn't affect rat skin cell growth, but it does change cell cycle, protein levels, and other cell functions, potentially shortening hair growth cycle.