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Higher miR-34a levels and the A variant of the MIR-34A gene are linked to increased risk and severity of alopecia areata.

Human scalp fat stem cells showed improved cartilage-like development on a special scaffold with freeze-thaw treatment.

Human skin produces sex hormones like estrogen and testosterone, influenced by ARO and StAR, which may affect skin elasticity and hair growth.

The study identified and characterized new keratin genes linked to hair follicles and epithelial tissues.

The patch assay can create mature hair follicles from human cells and may help in hair loss treatments.

Human hair follicle stem cells can turn into multiple cell types but lose some of this ability after being grown in the lab for a long time.

Using tissue expanders with galeotomies for post-burn alopecia is faster and has fewer complications.

Different body parts have varying levels of certain hair follicle markers.

Ex vivo dermatoscopy may lower lab costs and improve diagnosis speed for hair loss biopsies.

The vertical method is better for assessing scalp mobility, providing more hair for transplant.

Treatment with plasma rich in growth factors improved hair density and thickness for hair loss patients.

The "Two-Cell Assemblage" assay is a new, simple method to identify substances that may promote hair growth.

Finasteride improves hair growth in men with androgenetic alopecia.

Inhibiting ALOX12 can help hair cuticle maturation by increasing S100A3 citrullination.

Stem cells, especially from fat tissue and Wharton's jelly, can potentially regenerate hair follicles and treat hair loss, but more research is needed to perfect the treatment.

The study suggests that the arrector pili muscle is important for hair health and its damage might contribute to hair loss.

Hair transplantation techniques have improved over time, leading to natural-looking results and high graft survival rates, making it a popular treatment for hair loss.

Finasteride and minoxidil together promote hair growth better than either alone.

Minoxidil and finasteride combined can effectively treat hair loss.

Gray hair may be caused by lower antioxidant activity in hair cells.

The document concludes that more research is needed to reduce frequent hospital visits, addiction medicine education improves with specific training, early breast cancer surgery findings are emerging, nipple smears are not very accurate, surgery for older melanoma patients doesn't extend life, a genetic condition in infants can often be treated with one drug, doctors are inconsistent with blood clot medication, a certain gene may protect against cell damage, muscle gene overexpression affects many other genes, and some mitochondrial genes are less active in mice with tumors.

Prolactin may affect hair growth differently based on gender and scalp area.

The conclusion is that closing scalp wounds is possible, but restoring hair without donor material is still a major challenge.

The document concludes that the 5 alpha-reductase enzymes are important in steroid metabolism and related to various human diseases, with inhibitors used to treat conditions like male pattern baldness and prostate issues.

The model suggests that scalp tension could lead to hair loss, with factors like blood vessel hardening, enlarged oil glands, and poor microcirculation also playing a role. It also hints at a possible link between skull shape and baldness pattern.

The document concludes that understanding hair structure is key to diagnosing hair abnormalities and recommends gentle hair care for management.

Transplanted hair follicles can change and adapt to new areas of the body, with the immune system possibly playing a role in this adjustment.

The document concludes that skin-derived precursors can be grown and may help in hair growth and skin repair.

Dandruff is linked to increased T cells and weakened immune protection in hair follicles.