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The article concludes that the wool follicle is a valuable model for studying tissue interactions and has potential for genetic improvements in wool production.

New imaging techniques show testosterone delays hair growth and shrinks follicles in mice, but have limited depth for viewing.

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

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

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

PepACS offers a safer, eco-friendly way to perm, dye, and repair hair.

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

Human hair keratins K85 and K35 create unique filament patterns important for early hair formation.

The KRTAP7-1 gene is very similar across different cattle and yak breeds and likely plays a role in hair strength and shape.

Keratin-associated proteins have ancient origins and were used for different purposes before being adapted for hair in mammals.

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

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

Researchers mapped and categorized specific keratin-associated protein genes on human chromosome 21q22.1.

Certain genes related to sulfur metabolism are more active during the growth phase of Cashmere goat wool, and melatonin might help this process.

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

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

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

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

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

The B2 genes are crucial for hair growth in rats.

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

S100A3 protein is crucial for hair shaft formation in mice.

Curved human hair has different structures on each side, which might cause its shape and is similar to wool.

Genetic variations in hair keratin proteins exist but don't significantly affect hair structure.

Keratin-associated proteins are part of the developing hair fiber cuticle.

Hair and nail cells share similar proteins, indicating a common differentiation pathway.

Researchers found a new gene, hacl-1, that is active in mouse hair follicles during hair growth and may be important for hair biology.

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

Wool fiber curliness is linked to the presence of certain proteins and K38.

Hair proteins have weak spots in their α-helical segments.