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Scientists discovered a unique hair protein, KAP24.1, with a special structure, found only in the upper part of hair cuticles.

Mutations in specific keratin genes cause improper hair structure in mice due to faulty keratin protein assembly.

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

The method can help diagnose and monitor diabetes by analyzing hair.

Different body parts have varying levels of certain hair follicle markers.

Alopecia areata is an autoimmune disease where T cells attack hair follicles.

The hedgehog signaling pathway is crucial for hair growth but not for the initial creation of hair follicles.

Bone Morphogenetic Proteins (BMPs) help control skin health, hair growth, and color, and could potentially be used to treat skin and hair disorders.

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

S100A3 protein is crucial for hair shaft formation in mice.

Miz1 is essential for proper hair structure and growth.

Clim proteins are essential for maintaining healthy corneas and hair follicles.

Certain gene mutations are linked to wool quality in sheep and could help in breeding for better wool.

Minoxidil sulfotransferase is a marker of keratinocyte differentiation and may play a role in hair growth.

Mouse profilaggrin helps in skin cell differentiation and may be involved in calcium signaling.

Vitamin D Receptor is crucial for normal skin and hair growth.

Nonpalmoplantar skin cells can be made to express keratin 9 by interacting with palmoplantar fibroblasts.

As skin cells mature, vitamin D receptor levels decrease while retinoid X receptor α levels increase.

Eruptive vellus hair cysts are rare and often misdiagnosed, requiring biopsy for accurate diagnosis.

Hair's structure and properties change with pH; acidic pH maintains strength and less swelling, while alkaline pH increases water content and swelling.

Over half of the children had abnormal hair under a microscope, with many having genetic hair conditions.

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

Genetic mutations can cause hair growth disorders by affecting key genes and signaling pathways.

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

Permanent hair dyes use chemicals that react with hydrogen peroxide to create color.

Annurca apple supplement safely increases hair growth and keratin in humans.

A gene variant in KRT71 causes the curly fur in Selkirk Rex cats.

The document concludes that understanding hair follicle cell cycles is crucial for hair growth and alopecia research, and recommends specific techniques and future research directions.

The "Punch Assay" can regenerate hair follicles efficiently in mice and has potential for human hair regeneration.

Asian hair is generally straight and thick, with unique disorders and properties, and more research is needed to understand it fully.