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Mouse hair follicle cells briefly grow during the early hair growth phase, showing that these cells are important for starting the hair cycle.

Different types of stem cells exist within individual skin layers, and they can adapt to damage, transplantation, or tumor growth. These cells are regulated by their environment and genetic factors. Tumor growth is driven by expanding, genetically altered cells, not long-lived mutant stem cells. There's evidence of cancer stem cells in skin tumors. Other cells, bacteria, and genetic factors help maintain balance and contribute to disease progression. A method for growing mini organs from single cells has been developed.

Trichoscopy can diagnose female hair loss with high accuracy by looking for specific patterns in hair and scalp appearance.

Over one-third of women experience hair loss, with female-pattern hair loss being most common, and treatments include minoxidil and possibly hair transplantation.

Prolactin contributes to hair loss by promoting hair follicle shrinkage and cell death.

Oxidative stress contributes to hair graying and loss as we age.

TRP channels in the skin are important for sensation and health, and targeting them could help treat skin disorders.

Targeting androgen receptors could be a promising way to treat skin disorders with fewer side effects.

The document describes how to tell different types of non-scarring hair loss apart by looking at hair and scalp tissue under a microscope.

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

Alopecia is a key indicator of thallium poisoning.

Hair grows faster in the morning and is more vulnerable to damage from radiation due to the internal clock in hair follicle cells.

Androgens have complex effects on hair growth, promoting it in some areas but causing hair loss in others, and our understanding of this is still evolving.

Cancer therapy can cause various skin problems, including hair loss, skin darkening, painful hand-foot syndrome, and severe skin damage.

Lignans and neolignans from plants may help protect against various health issues, including cancer and heart disease.

Targeting hair follicles can improve skin treatments and reduce side effects.

Hair color production is closely linked to the active growth phase of hair in mice and may also influence hair growth itself.

Overexpressing Dsg3 in mice skin causes excessive cell growth and abnormal skin development.

Chemotherapy often causes temporary hair loss, which is distressing and needs better treatment and support.

Male pattern hair loss is genetic and influenced by hormones, with treatments like minoxidil and surgery available.

Hair loss in men treated best with early medication or transplant, new treatments researched.

An mFG score of 5 or more indicates above-normal hair growth in Southern Chinese women.

Trichoscopy is a useful, non-invasive way to diagnose different types of hair loss.

Androgens block hair growth by disrupting cell signals; targeting GSK-3 may help treat hair loss.

Notch/CSL signaling controls hair follicle differentiation through Wnt5a and FoxN1.

Peripilar signs can help diagnose androgenetic alopecia and reveal its cause.

Male pattern baldness involves smaller hair follicles, larger oil glands, and other tissue changes, but not major blood supply issues.

Certain genetic variations in the AR and ERβ genes can affect androgen levels in women.

Finasteride helps regrow hair and shrink prostate by reducing DHT, with some sexual side effects.

Smoking linked to hair loss in Asian men.