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Certain mouse strains develop a skin condition similar to a human hair loss disease due to genetic defects.

Genes linked to wool fineness in sheep have been identified.

Activating Nrf2 in skin cells causes skin disease similar to chloracne in mice.

Researchers created a mouse with the same mutation as humans with trichothiodystrophy, showing similar symptoms and confirming the condition is due to defects in DNA repair and gene activity.

Mackerel fermented fish oil protects skin cells from damage by UVB light.

Cornification is the process where living skin cells die to create a protective barrier, and problems with it can cause skin diseases.

Some herbal ingredients like linalool and tea tree oil have anti-dandruff properties and are safe for use in shampoos.

Disabling the FGF5 gene in sheep leads to longer wool.

Overexpression of FGF5s makes Chinese Merino sheep grow longer and heavier wool.

Small proline-rich proteins and trichohyalin help make epithelial tissues tougher and more flexible.

Antler velvet hair and body hair of red deer have different structures that help with protection and insulation.

The document concludes that understanding the genes and pathways involved in hair growth is crucial for developing treatments for hair diseases.

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.

Yak belly hair has higher porosity and is less stiff than human hair, making it absorb dye better but less suitable as a direct substitute for hair dyeing.

The document provides a method to classify human hair growth stages using a model with human scalp on mice, aiming to standardize hair research.

The type 3 IP3 receptor is important for controlling hair loss and growth.

Surface and internal treatments can help prevent hair lipid loss during washing.

The document explains how hair follicles develop, their structure, and how they grow.

The document explains the genetic causes and characteristics of inherited hair disorders.

Some plant-based chemicals may help with hair growth, but more research is needed to confirm their effectiveness.

Vitamin A deficiency changes cattle hair structure, while pregnancy may improve it, suggesting hair can indicate cattle health.

Removing a specific gene in certain skin cells causes hair loss on the body by disrupting normal hair development.

Ginseng, especially its component ginsenosides, can promote hair growth, reduce hair loss, and potentially treat conditions like alopecia by affecting cell pathways and cytokines.

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

The study found that thioglycolic acid breaks down hair bonds more consistently than l-cysteine, which is less damaging to hair.

South American camelids should be sheared early, fleece type affects fiber quality, and the S/P follicle ratio doesn't distinguish between Bolivian llama genotypes.

Crossbreeding improves goat fiber quality, and specific genes affect hair traits and color.

Mf-rich hair degrades more than Ma-rich hair, especially with Proteinase K.

Certain diseases like AIDS and lupus can make African hair become silky.