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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.

Androgens and a high-fat diet may increase the risk of severe COVID-19 in women with PCOS by upregulating certain proteins in the heart and kidneys.

Melandrium firmum extract helps mice grow hair by blocking a hair loss enzyme and changing hair growth genes.

Dutasteride and finasteride can help increase hair growth gene expression but need further improvement.

The KRTAP36-2 gene in sheep affects wool yield.

Porcine acellular dermal matrix helps hair growth by boosting specific proteins and signals.

Cyclosporine A may help treat hair loss by blocking a protein that inhibits hair growth.

TNFα, IFNγ, and Substance P significantly affect prolactin levels in human skin, suggesting new treatments for skin and hair conditions.

Melatonin makes cashmere grow earlier and more by increasing certain gene activity in goats.

Platelet factor 4 slows down hair growth and could make hair loss treatments more effective if removed.

Hairless mammals have genetic changes in both their protein-coding and regulatory sequences related to hair.

JAM-A helps hair regrowth in alopecia areata by protecting VCAN in skin cells.

Mice without the IL-6 gene had more hair growth after injury due to higher activity of a related protein, Stat3.

Hair loss in Androgenetic alopecia (AGA) is due to altered cell sensitivity to hormones, not increased hormone levels. Hair growth periods shorten over time, causing hair to become thinner and shorter. This is linked to miscommunication between cell pathways in hair follicles. There's also a change in gene expression related to blood vessels and cell growth in balding hair follicles. The exact molecular causes of AGA are still unclear.

RORA may help regulate hair growth by affecting hair follicle stem cells.

A device was made in 2008 to measure hair loss severity. Other findings include: frizzy mutation in mice isn't related to Fgfr2, C/EBPx marks preadipocytes, Cyclosporin A speeds up hair growth in mice, blocking plasmin and metalloproteinases hinders healing, hyperbaric oxygen helps ischemic wound healing, amniotic membranes heal wounds better than polyurethane foam, rhVEGF165 from a fibrin matrix improves tissue flap viability and induces VEGF-R2 expression, and bFGF enhances wound healing and reduces scarring in rabbits.

GPR39 is linked to certain cells in the sebaceous gland and helps with skin healing.

ATP increases melanin production in skin after UV exposure, with the P2X7 receptor being crucial for this process.

Older mice healed wounds better but lost more weight and might have weaker immune systems afterward.

Wnt/beta-catenin signaling in the skin helps fat cell development during hair growth and repair.

Microneedle stimulation can increase hair growth in mice.

Placental growth factor may help treat hair loss.

miR-195-5p reduces hair growth ability in cells by blocking a specific growth signal.

A protein called HMGB1 helps hair grow by affecting prostaglandin metabolism.

Adult stem cells with Tp63 can form hair and skin cells when placed in new skin, showing they have hidden abilities for skin repair.

A new mRNA variant of the SCF gene in sheep skin produces a shorter, different protein.

Acne is a common skin condition linked to diet, hormones, and genetics, and early treatment can prevent scarring.

Father's finasteride use may affect son's fertility and testicular function.

Eplerenone, a mineralocorticoid receptor antagonist, was found to promote hair growth in human hair follicles.

FGF5 spliceosomes inhibit rabbit hair growth by affecting gene expression.