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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.

MSC-protein helps regenerate gum tissue and bone.

The conclusion is that grasping how cells determine their roles through evolution is key, with expected progress from new research models and genome editing.

Androgens prevent hair growth by changing Wnt signals in cells.

PDGF signaling is crucial for maintaining and renewing hair follicle stem cells, which could help treat hair loss.

Certain liver diseases respond well to specific treatments and have varying risks for liver cancer.

Activating Wnt in skin cells controls the number of hair follicles by directing cell movement and fate.

ATP-dependent chromatin-remodeling complexes are crucial for gene regulation, cell differentiation, and organ development in mammals.

Skin aging is due to impaired stem cell mobilization or fewer responsive stem cells.

Environmental factors at different levels control hair stem cell activity, which could lead to new hair growth and alopecia treatments.

Small molecule IM boosts hair growth by changing stem cell metabolism.

Indian Hedgehog helps control skin cell growth and protects against aggressive skin cancer.

Stem cell self-renewal is complex and needs more research for full understanding.

Fibroblast growth factor receptor signaling controls cell development and repair, and its malfunction can cause disorders and cancer, but it also offers potential for targeted therapies.

Aging mice have slower hair regeneration due to changes in signal balance, but the environment, not stem cell loss, controls this, suggesting treatments could focus on environmental factors.

UVB radiation harms hair growth and health, causing cell death and other changes in human hair follicles.

Cell aging can be both good and bad for tissue repair.

Androgens affect bone and fat cell development differently based on the cells' embryonic origin.

Environmental factors and exposure to toxins may contribute to male infertility by affecting sperm and hormone function.

Ovol2 is crucial for hair growth and skin healing by controlling cell movement and growth.

Minoxidil boosts hair growth by opening potassium channels and increasing cell activity.

Improving the environment and cell interactions is key for creating human hair in the lab.

EGF and FGF help hair growth by affecting cell differentiation and fiber growth.

Disrupted sleep patterns can harm skin and hair cell renewal, but melatonin might help.

Testosterone treatment can improve sexual function and bone density in women but may have adverse effects and requires more research on safety and guidelines.

Mice with too much sPLA₂-IIA have hair loss and poor wound healing due to abnormal hair growth and stem cell depletion.

Hormones are crucial for regulating body functions and imbalances can lead to health issues.

Acupuncture may improve reproductive and metabolic functions in PCOS without negative side effects, but more research is needed to confirm its effectiveness.

Thyroid function may influence hair loss after COVID-19.