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Mutations in the Vitamin D receptor gene can cause hair loss similar to mutations in the Hairless gene.

Alopecia in these mice is caused by defective hair cycle communication due to missing vitamin D receptor function, not vitamin D levels.

Expressing the human vitamin D receptor in skin cells prevents hair loss in certain mice.

Alopecia in VDR knockout mice is due to a defect in hair cycle initiation, not keratinocyte issues.

Alopecia areata patients often have low vitamin D levels, suggesting they might benefit from vitamin D supplements.

Vitamin D receptors in hair follicles change with the hair cycle, affecting hair growth.

Vitamin D and calcium are essential for effective wound healing and hair growth.

A girl with rickets and hair loss was found to have a rare condition where her body didn't respond to vitamin D treatment.

Mice without the vitamin D receptor gene lose hair due to disrupted hair follicle cycles.

Hairless protein can block vitamin D activation in skin cells.

Vitamin D receptor helps prevent skin cancer and supports skin health.

Mice without Vitamin D receptors have hair growth problems because of issues in the hedgehog signaling pathway.

People with alopecia areata often have lower vitamin D levels and are more likely to be deficient in it.

A mutation in the vitamin D receptor causes severe resistance to vitamin D, affecting bone health but not hair growth.

The retinoid receptor antagonist effectively disrupts vitamin A-related development in embryos.

TGF-β2 plays a key role in human hair growth and development.

Hormones and neuroendocrine factors control hair growth and color, and more research could lead to new hair treatment options.

An elderly man's hair grew back after a treatment that transferred healthy gut bacteria.

High-dose vitamin A was safe and well-tolerated in a lung cancer treatment study.

LEF1 interacts with Vitamin D Receptor, affecting hair follicle regeneration and this could be linked to hair loss conditions.

Alopecia areata patients often have low vitamin D levels.

Minoxidil and retinol together help hair grow.

Vitamin A toxicity can cause severe health issues and may require a liver transplant if other treatments fail.

Vitamin D-dependent rickets Type II causes bone problems and hair loss, and doesn't improve with Vitamin D treatment.

The article concludes that developing in vitro models for human hair structures is important for research and reducing animal testing, but there are challenges like obtaining suitable samples and the models' limitations.

Alopecia in VDR knockout mice is due to impaired hair cycle initiation, not keratinocyte issues.

A new pair of mouse keratins, 65 kD and 48 kD, are found in specific skin areas and are linked to a unique skin differentiation type.

Small amounts of Vitamin D3 can boost hair growth, but too much can stop it.

Synthetic hormone treatment reduces melanin and hair growth in rats.

Four patients with a type of rickets and hair loss had different mutations in their vitamin D receptor gene, causing it to not work properly.