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Retinoids increase steroid sulfatase activity in leukemia cells through RARα/RXR and involves certain pathways like phosphoinositide 3-kinase and ERK-MAP kinase.

The document concludes that blocking the internal pathways that create androgens might help treat cancers that depend on sex hormones.

Wool follicles are complex, involving interactions between different cell types and structures.

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

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

Wool fibre curvature is due to longer orthocortical cells compared to paracortical cells.

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.

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.

The research identified genes that explain why some sheep have curly wool and others have straight wool.

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

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

Merino wool fibers change shape with moisture, while human hair shape stays the same.

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

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.

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

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

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.

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.

Metallothionein likely helps in cell growth and development in wool follicles of fetal sheep.