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

Disabling the FGF5 gene in sheep leads to longer wool.

Certain RNA molecules are important for the development of wool follicles in sheep.

Certain genetic variations in the FST gene are linked to better wool quality in Chinese Merino sheep.

Wool follicle cells are more complex than previously thought.

Wool follicles can grow in a lab with the right nutrients and conditions.

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

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

Merino sheep have fewer wool follicles at birth than before birth.

Wool follicles grew fibres for 8-10 days in a serum-free culture, influenced by calcium, glucose, amino acids, and insulin.

Wool and hair fibers absorb moisture similarly due to their keratin structure, with the amount of non-crystalline areas affecting the moisture uptake.

Sheep wool follicles absorb different amino acids at various rates and locations, which could affect wool growth based on diet and genetics.

Flumethasone causes wool shedding in Merino wethers, with recovery in about 60 days.

Sheep wool follicles can metabolize both glucose and acetate using different pathways important for wool growth.

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

Melatonin treatment increases wool production and improves fiber quality in angora rabbits.

Cellular debris sticks to damaged wool fibers and affects wool cleanliness.

Chemical treatments can change the scale heights of wool and cashmere fibers, affecting their identification.

Researchers identified genes and proteins that may influence wool thickness in sheep.

Keratinized wool cells still have some organelles like lysosomes and mitochondria.

Certain amino acid analogues can inhibit wool and hair growth and affect fiber strength.

Vicuña wool's quality is due to a high density of fine secondary hair follicles, and their skin glands may be used for communication.

Ethionine significantly inhibits wool growth in sheep but not hair growth in mice or rats.

Sheep hair follicle cells can grow a lot but need the dermal papilla to do so.

No clear conclusion available.

Sheep wool keratin solution safely and effectively promotes hair growth.

The KRTAP27-1 gene variations in sheep may affect wool length and weight.

Wool traits in sheep are controlled by many genes and environmental factors.

To prevent wool loss in sheep, provide balanced nutrition and reduce stress.

Stretching-setting treatment works for wool and human hair using specific equipment and methods.