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Trichoscopy helps distinguish between scalp Discoid Lupus Erythematosus and Lichen Planopilaris for accurate diagnosis and treatment.

Aging changes skin cells, leading to different DNA methylation and gene activity, affecting cell metabolism and aging signs.

Researchers identified new cell types and genes in early hair follicle development.

A one-year-old cat had multiple benign skin tumors similar to those known in humans.

Dermal fibroblasts have at least three distinct types, each with unique roles in skin structure and hair development.

KIF18B is important for correctly positioning cell division machinery in skin cells, affecting hair follicle development.

Vitamin D and calcium are essential for effective wound healing.

Stat3 influences keratinocyte stem cell behavior, affecting differentiation and migration.

Epidermolysis bullosa in UK calves is not caused by mutations in keratin genes.

Brain hormones significantly affect hair color and could potentially be used to prevent or reverse grey hair.

Basal cell carcinomas likely originate from hair follicle cells or stem cells.

Dihydrotestosterone (DHT) stops hair growth in mice by lowering a growth factor important for hair.

Dihydrotestosterone treatment on 2D and 3D-cultured skin cells slows down hair growth by affecting certain genes and could be a potential target for hair loss treatment.

Testosterone increases hair follicle cell growth when beard or axillary skin cells are present together.

Testosterone helps beard and axillary hair cells grow by releasing growth factors from dermal papilla cells.

Topical finasteride doesn't reduce DHT levels, hinting at an endocrine role in hair loss.

Dihydrotestosterone affects hair growth by changing the Wnt/β-catenin pathway, with low levels helping and high levels hindering growth.

Testosterone affects hair follicles differently across body sites, with beard hair follicles showing more activity of a specific enzyme and presence of androgen receptors compared to scalp hair.

High levels of testosterone and dihydrotestosterone inhibit hair cell growth, while high levels of estradiol promote it.

Sex hormones and antiandrogens can either stimulate or inhibit human hair follicle cell growth depending on the dose.

Estrogens can reduce DHT production in hair follicles, but are less effective than finasteride and progesterone.

Androgen effects on hair follicles vary by skin area.

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.

Testosterone stimulates growth in intermediate hair follicles, but this can be blocked by cyproterone acetate.

DHT, not testosterone, mainly affects hair growth and related conditions.

Androgens like testosterone affect hair growth and oil production differently across body parts and individuals.

Hormone levels in hair vary across the head, with the highest concentration of a key hormone linked to hair loss at the top.

A substance called DKK-1 increases in balding areas and causes hair cells to die when exposed to DHT.