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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.

Cornification is the process where living skin cells die to create a protective barrier, and problems with it can cause skin diseases.

DNMT3A is crucial for healthy skin and hair growth.

Obesity can weaken the skin's ability to fight infections because fat cells stop and reduce the infection-fighting properties of nearby stem cells.

Skin stem cells are crucial for maintaining and repairing the skin and hair, using a complex mix of signals to do so.

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

Certain cells from hair follicles can create new hair and contribute to hair growth when implanted in mice.

Bone Morphogenetic Proteins (BMPs) help control skin health, hair growth, and color, and could potentially be used to treat skin and hair disorders.

Androgens can cause hair growth in some areas and hair loss on the scalp.

Male pattern baldness involves genetics, hormones, and needs better treatments.

Modulating BMP activity changes the number, size, shape, and type of ectodermal organs.

MicroRNA-214 is important for skin and hair growth because it affects the Wnt pathway.

Nerves and chemicals in the body can affect hair growth and loss.

Male hormones and their receptors play a key role in hair loss and skin health, with potential new treatments being explored.

Hair ages due to genetics and environmental factors, leading to graying and thinning, with treatments available for some conditions.

Hair follicles are hormone-sensitive and involved in growth and other functions, with potential for new treatments, but more research is needed.

Notch/CSL signaling controls hair follicle differentiation through Wnt5a and FoxN1.

Hair follicle regeneration needs special conditions and young cells.

Hair shedding is an active process that could be targeted to treat hair loss.

Researchers created a fully functional, bioengineered skin system with hair from stem cells that successfully integrated when transplanted into mice.

Oestrogens help maintain healthy skin, heal wounds, and may protect against skin aging and cancer.

Scientists successfully created and transplanted bioengineered hair follicles that function like natural ones, suggesting a new treatment for hair loss.

Blocking BMP signaling causes hair loss and disrupts hair growth cycles.

Brain-Derived Neurotrophic Factor (BDNF) slows down hair growth and promotes hair follicle regression.

Many patients find hair loss from chemotherapy very distressing, and while treatments like minoxidil and scalp cooling may help, there is no sure way to prevent it.

Genetic mutations can cause hair growth disorders by affecting key genes and signaling pathways.

Researchers found a way to create cells from stem cells that act like human cells important for hair growth and could be used for hair regeneration treatments.

Heparan sulfate is important for hair growth, preventing new hair formation in mature skin, and controlling oil gland development.

Tiny particles called extracellular vesicles could help with skin healing and hair growth, but more research is needed.

MicroRNAs are important for skin health and could be targets for new skin disorder treatments.