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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.

Metformin helps with menstrual cycles and insulin levels in PCOS but is less effective for hair growth, diabetes prevention, and weight loss, and may improve fertility and reduce diabetes risk.

Minor injuries to hair follicles can stimulate hair growth in mice by increasing a specific protein.

Genetic mutations cause various hair diseases, and whole genome sequencing may reveal more about these conditions.

Certain genes may influence hair loss differently in men and women.

The gene SDR5A1 is found in scalp hair of both hirsute and normal individuals, but it does not explain differences in hair growth.

Hair follicles have a more inactive cell cycle than other skin cells, which may help develop targeted therapies for skin diseases and cancer.

N6-methyladenosine affects hair follicle development differently in Rex and Hycole rabbits.

Eating a lot of fat increases PKCβ and inflammation in skin fat cells, which affects skin and hair health.

Prolactin may play a significant role in skin and hair health and could be a target for treating skin and hair disorders.

Alopecia areata involves persistent gene abnormalities and immune activity, even in regrown hair, suggesting a risk of relapse.

Arabidopsis collet hairs are good for studying nuclear movement and DNA content increase during growth.

Scientists found new genetic areas that affect how rice root hairs grow and develop.

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.

Researchers found genes and microRNAs that control curly fleece in Chinese Tan sheep.

The TRPV3 ion channel is important for skin and hair health and could be a target for treating skin conditions.

Two mutations in KRT74 and EDAR genes cause sheep to have finer wool.

Certain miRNAs are linked to chicken feather development.

A gene called BMAL1 plays a role in controlling hair growth.

Stress may affect hair growth by influencing hair follicle development and could contribute to hair loss.

Blocking Prostaglandin D₂ may help treat hair loss.

Hair growth dysfunction involves various conditions with limited treatment options.

Noggin is necessary to start the hair growth phase in skin after birth.

Latanoprost can make eyelashes longer, thicker, and darker.

A substance from a specific gel helped to grow hair effectively in mice, suggesting it could potentially be used to treat hair loss in humans.

Cyclosporine A was found to increase hair growth in mouse whisker follicles.

Keratin extract from human hair was found to promote hair growth in mice.

New treatments for hair growth disorders are needed due to limited current options and complex hair follicle biology.

Lithocholic acid helps hair growth and regeneration in alopecia by activating vitamin D receptors.

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