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Mice without the vitamin D receptor have bone issues and other health problems, suggesting vitamin D is important for preventing various diseases in humans.

Hair follicle stem cells can form both hair follicles and skin.

SFRP2 boosts Wnt3a/β-catenin signals in hair growth cells, with stronger effects in beard cells than scalp cells.

A mix of specific inhibitors and a growth factor helps keep hair growth cells from losing their properties in the lab.

The document concluded that stem cells are crucial for skin repair, regeneration, and may help in developing advanced skin substitutes.

Skin RAGE levels are linked to inflammation and cell death.

Feather patterns form through genetic and epigenetic controls, with cells self-organizing into periodic patterns.

Notch/CSL signaling controls hair follicle differentiation through Wnt5a and FoxN1.

Patient-derived melanocytes can potentially treat vitiligo by restoring skin pigmentation.

Platelet-Rich Plasma (PRP) increases the number of new hair follicles and speeds up hair formation.

The flap assay grows the most natural hair but takes the longest, the chamber assay is hard work but gives dense, normal hair, and the patch assay is quick but creates poorly oriented hair with some issues.

Lgr5 is a marker for active, long-lasting stem cells in mouse hair follicles.

Activated platelet-rich plasma helps hair growth by boosting growth factors and cell growth pathways in hair cells.

Scientists created stem cells that can grow hair and skin.

Sebaceous glands can help harvest hair follicle stem cells to regenerate skin and hair.

Applying EGCG on the skin can prevent hair loss caused by testosterone in mice.

Dermal papilla microtissues could be useful for initial hair growth drug testing.

Dermal papillae cells, important for hair growth, come from multiple cell lines and can be formed by skin cells, regardless of their origin or hair cycle phase. These cells rarely divide, but their ability to shape tissue may contribute to their efficiency in inducing hair growth.

Wnt proteins from certain skin cells are crucial for normal hair growth and renewal.

Nanoparticles can be used to deliver drugs to hair follicles, potentially improving treatments for conditions like acne and alopecia, and could also be used for vaccine delivery and gene therapy.

Dermal Papilla cells are a promising tool for evaluating hair growth treatments.

Researchers developed a method to grow hair follicles using special beads that could help with hair loss treatment.

Human placenta hydrogel helps restore cells needed for hair growth.

Hair restoration surgery effectively treats hair loss with natural-looking results, using techniques like stem cells and platelet-rich plasma.

PI3K/Akt pathway is crucial for hair growth and regeneration.

Fully regenerating human hair follicles not yet achieved.

Trichostatin A helps restore hair-growing ability in skin cells used for hair regeneration.

Scientists have made progress in understanding hair follicle stem cells, identifying specific genes and markers, and suggesting their use in treating hair and skin conditions.

Nanofiber structure helps regenerate hair follicles.

Human placental extract and minoxidil together significantly promote hair growth.