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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.

Prolactin may affect hair growth differently based on gender and scalp area.

DNA methylation changes in women with PCOS could be used as disease markers and suggest new treatment targets.

Hair loss in balding individuals is linked to changes in specific hair growth-related genes.

Certain genetic markers linked to reproductive potential were identified by their impact on a protein's ability to bind to genes.

The study found that immune responses disrupt hair growth cycles, causing hair loss in alopecia areata.

Genetic testing can help diagnose skin conditions but needs more research for full effectiveness.

Young women in West Bengal, India, with PCOS often have estrogen resistance, leptin receptor issues, folate deficiency, T2DM, and acanthosis, commonly linked to obesity.

The research identified and described a gene important for hormone conversion in endangered catfish, which varies in activity during different reproductive stages and after hormone treatment.

TCDD speeds up skin barrier formation by increasing certain gene expressions.

Some vitamin D analogs can thicken skin and reduce pore size like a common acne treatment, with one analog also affecting skin growth factors.

Finasteride improves heart function and repairs damage after heart attack in mice.

Certain HSD3B1 gene types are linked to worse prostate cancer outcomes and affect treatment response and other health conditions.

Different genes are active in dogs' hair growth and skin, similar to humans, which helps understand dog skin and hair diseases and can relate to human conditions.

Male-pattern hair loss is largely influenced by genetics, with key genes identified.

Finasteride affects frog testes by increasing testosterone, decreasing 5α-DHT, and impacting genes related to reproduction and other functions.

Early-onset baldness is linked to genetics, lifestyle, and can indicate higher risk for heart and metabolic diseases, and affects mental health.

Prostate cancer cells can make their own androgens to activate the androgen receptor, and treatments like abiraterone may increase this ability, suggesting new therapies should target the entire steroid-making pathway.

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

Air pollution (PM10) increases skin inflammation and aging by reducing collagen and may trigger a repair response in skin cells.

Insulin resistance and obesity are key factors in the development and worsening of polycystic ovary syndrome, and lifestyle changes are important for managing it.

Frontal Fibrosing Alopecia's cause is unclear, affects mainly postmenopausal women, and current treatments focus on stopping hair loss rather than regrowth.

Porphyra-334 may help reduce wrinkles and promote hair growth.

New vitamin D3 forms need the vitamin D receptor to reduce fibrosis in human cells.

The study concluded that immune cells attacking hair follicles cause hair loss in alopecia, with genetics and environment also playing a role, and highlighted the potential of certain treatments.

Some lesser-known causes of PCOS include autoimmune issues, genetic mutations, and changes in the body's microbiome.

Blackcurrant extract may help reduce hair loss by promoting stem cell activity in hair follicles.

The cause of Frontal fibrosing alopecia, a type of hair loss, is complex, likely involving immune responses and genetics, but is not fully understood.

YAP and TAZ proteins are necessary for the development of two types of skin cancer.

Adrenal disorders can cause lasting brain and behavior issues in children.