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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.

The circadian clock affects skin stem cell behavior, impacting aging and cancer risk.

Certain mutations in a hair growth-related gene cause a type of genetic hair loss.

Costunolide may have multiple health benefits, including promoting hair growth and protecting against cancer and diabetes, but more research is needed.

Chronic Telogen Effluvium may resolve after years and is diagnosed by examining the patient's history and clinical signs, with treatment aimed at underlying causes and possibly minoxidil.

Red ginseng oil and its components help promote hair regrowth and could treat hair loss.

Undariopsis peterseniana extract helps hair grow by activating certain cell growth pathways and could be a new treatment for hair loss.

Ishige sinicola, a type of seaweed, may help hair grow by blocking a hair loss-related enzyme and boosting important cell growth.

Linoleic acid from Malva verticillata seeds may help treat hair loss by promoting hair cell growth and blocking baldness signals.

Mackerel-derived fermented fish oil helps hair grow by activating growth pathways and increasing cell proliferation.

The research found that a complex gene network, controlled by microRNAs, is important for hair growth in cashmere goats.

Oncogenic K-ras causes rapid cancerous changes in the mouth's lining.

Rabbit skin analysis showed changes in hair growth and identified miRNAs that may regulate hair follicle development.

Wnt5a may contribute to psoriasis by reducing skin cell growth, blocking skin cell maturation, and increasing inflammation.

CDK4/6 inhibitors have improved treatment outcomes for certain advanced breast cancer patients.

The HIF-2α/ARNT complex is important for hair follicle development by controlling cell growth.

Docosahexaenoic acid (DHA) may help hair growth by promoting dermal papilla cell proliferation.

Blocking Prostaglandin D₂ may help treat hair loss.

Docetaxel, a chemotherapy drug, was reported to cause psoriasis in a patient for the first time.

A type of collagen helps hair grow by boosting cell growth and activating a specific hair growth pathway.

Non-classic congenital adrenal hyperplasia (NCCAH) can mimic PCOS and requires genetic testing for proper diagnosis and treatment.

Blocking Oncostatin M's role in the JAK-STAT pathway can stimulate hair growth in mice.

Blocking Prostaglandin D₂ (PGD₂) could help treat hair loss.

Gypenosides from Gynostemma pentaphyllum were found to have anti-aging effects, increasing skin collagen and reducing wrinkles.

Double-stranded RNA activates a pathway that causes a skin protein to be expressed in the wrong place.

Mice without the vitamin D receptor have bone issues and other health problems, suggesting vitamin D is important for preventing various diseases in humans.

Hair follicles can regrow in wounded adult mouse skin using a process like embryo development.

The document concludes that skin stem cells are important for hair growth and wound healing, and could be used in regenerative medicine.

Hair follicles are complex, dynamic mini-organs that help us understand cell growth, death, migration, and differentiation, as well as tissue regeneration and tumor biology.

Melatonin affects many body functions beyond sleep by interacting with specific receptors in various tissues.