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Water and fatty acids affect hair's surface differently based on hair damage, and models can help understand hair-cosmetic interactions.

Certain gene variations are linked to the thickness of cashmere goat hair.

The study found nine new hair protein genes in human hair follicles.

The KRTAP11-1 gene promoter is crucial for specific expression in sheep wool cortex.

The gene KAP22-1 affects wool yield and fiber shape in sheep.

KAP genes are crucial for hair development and show both shared and unique traits in humans, chimpanzees, and baboons.

White hair grows thicker and faster than black hair due to higher activity of growth-related genes and proteins.

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

Scientists made nanoparticles from human hair proteins to improve drug delivery.

Explosions don't stop hair proteins from being used to identify people.

Hair and wool strength is affected by the number and type of bonds in their protein structures, with hair having more protein aggregates than wool.

Heating hair proteins changes their structure and may improve their blood clotting ability.

The document concludes that hair is complex, with a detailed growth cycle, structure, and clinical importance, affecting various scientific and medical fields.

A new method accurately measures amino acids in treated hair, showing bleaching reduces amino acids while protein treatments increase them.

Hard skin features like scales, feathers, and hair evolved through specific protein changes in different animal groups.

Melatonin treatment increases a specific RNA in goat cells that boosts cashmere growth.

Desmoglein 4 is controlled by specific proteins that affect hair growth.

Genetic variation in the KRTAP15-1 gene affects wool yield in sheep.

The KRTAP21-2 gene affects wool length and quality in sheep.

Protein composition greatly affects the function of keratin biomaterials.

Cysteine-rich keratins evolved independently in mammals, reptiles, and birds for hard skin structures like hair, claws, and feathers.

Keratose, derived from human hair, is a non-toxic biomaterial good for tissue regeneration and integrates well with body tissues.

Feed restriction in sheep leads to finer wool fibers but may reduce wool quality.

Human hair keratin might be good for filtering out harmful substances from water.

Disulfide bonds in keratin fibers break more easily under stress, especially when wet, affecting fiber strength.

Keratin from hair and wool is used in medical materials for healing and drug delivery.

Environmental factors can cause mutations in skin proteins, leading to skin disorders.

Two specific hair keratin genes are active during hair growth and decline as hair transitions to rest.

Changes in keratin make hair follicles stiffer.

Human hair protein extracts can protect skin cells from oxidative stress.