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Researchers found genes for cysteine-rich proteins that form the protective layer of hair in humans and sheep.

A second domain of high sulfur KAP genes on chromosome 21q23 is crucial for hair structure.

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

IGF-1 increases whisker growth in transgenic mice.

KAP genes show significant genetic variability, but its impact on hair traits is unclear.

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

The 3D structure of a key hair protein was modeled, revealing specific helical structures and stabilization features.

Understanding wool keratin-associated proteins in sheep can help improve wool quality through selective breeding.

A gene variant increases the risk of a type of hair loss by affecting hair protein production.

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

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

The KRTAP21-1 gene affects wool yield and can help improve wool production.

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

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

High glycine–tyrosine keratin-associated proteins help make hair strong and maintain its shape.

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

The KRTAP36-2 gene in sheep affects wool yield.

Uncombable hair syndrome causes frizzy hair and can affect the nervous system, eyes, and ears, often co-occurring with other hair, skin, nail, and teeth conditions, and is linked to three specific gene mutations.

Hair growth is controlled by specific gene clusters and proteins, and cysteine affects hair gene expression in sheep.

Fine wool sheep have more genes for wool quality, while coarse wool sheep have more for skin and muscle traits.

Biotin helps regulate proteins in the blood, which may explain its role in hair growth.

KAP-depleted hair causes less immune response and is more biocompatible for implants.

Sheep have a unique gene, KAP8-2, that humans don't have, which may affect wool properties.

Mutations in three genes cause Uncombable Hair Syndrome, leading to frizzy hair that can't be combed flat.

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

Hair protein composition is similar across different races and shapes.

TGM3 is important for skin and hair structure and may help diagnose cancer.

The article explains the genetic causes and symptoms of various hair disorders and highlights the need for more research to find treatments.

Understanding normal hair growth and loss in children is key to diagnosing and treating hair disorders.

Hair analysis can show nutritional status and environmental exposure, with phosphorus being very stable in hair and differences found based on gender and conditions like depression and autism.