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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.

Both treatments for alopecia areata showed similar modest effectiveness.

The article concludes that understanding the molecular processes in hair follicle development can improve the quality of fibers like Angora and cashmere.

The research found genes that may protect certain scalp cells from hair loss.

Hair follicles can be used to quickly assess drug effects in cancer treatment.

Topical immunotherapy with DPCP is most effective for certain alopecia areata types, with success linked to age and disease duration, and influenced by a gene polymorphism.

Improving artificial vascular grafts requires better materials and surface designs to reduce blood clotting and support blood vessel cell growth.

Biomaterials with MSC-derived substances could improve tissue repair and have advantages over direct cell therapy.

Keratins are crucial for cell structure, growth, and disease risk.

Wnt signaling controls whether hair follicle stem cells stay inactive or regenerate hair.

Reptiles have genes similar to hair proteins, suggesting hair's genetic origins predate mammals.

All adults have Demodex mites, which vary by region.

Hair grays due to oxidative stress and fewer functioning melanocytes.

The HR protein's role as a repressor is essential for controlling hair growth.

Stress activates a special function of the Vitamin D receptor with the help of c-Jun, which can also prevent cell death.

Stem cell therapy could help regenerate inner ear hair cells to treat hearing loss.

A new sheep gene, KRTAP36-1, may help breed sheep with better wool by reducing prickle factor.

Genetically variant peptides are reliable for forensic identification despite age-related changes in hair proteins.

More research is needed to improve wool and cashmere quality through genetics.

Sheep and goat hair fibers are complex due to keratin-associated proteins, which are important for fiber properties and growth.

PKC ε increases hair follicle stem cell turnover and may raise skin cancer risk.

Increased PPARGC1α relates to hair thinning in common baldness.

Spaceflight can harm skin health by altering gene expression, affecting DNA, mitochondria, and skin barriers.

Ginkgo biloba has high genetic diversity, useful for future breeding.

Genetic differences affect how people respond to COVID-19.

Yak hair growth is influenced by genes and hormones, helping them adapt to alpine environments.

Genes like MC1R, TYR, MITF, ASIP, and KIT determine horse and donkey coat colors and affect breeding and health.

PrrH sRNA controls pyochelin gene expression in Pseudomonas aeruginosa based on heme levels.

Researchers found genes that may explain why some pigs grow winter hair, which could help breed cold-resistant pigs.

Genes affecting wool fiber thickness in Angora rabbits were identified, which could help breed finer wool.