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The document concludes that understanding how adult stem and progenitor cells move is crucial for tissue repair and developing cell therapies.

Human hair has a new region with ordered filaments and the cuticle contains β-keratin sheets.

Some skin conditions are common during pregnancy and can be safely treated without affecting the pregnancy outcome.

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.

C-reactive protein helps monocytes stick to blood vessel cells by causing oxidative stress.

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.

Frontal Fibrosing Alopecia's cause is unclear, affects mainly postmenopausal women, and current treatments focus on stopping hair loss rather than regrowth.

DHT stops hair regrowth in mice, similar to human hair loss.

Adding human blood vessel cells to hair follicle germs may improve hair growth and quality.

Blocking the FGF5 gene in sheep leads to more fine wool and active hair follicles due to changes in certain cell signaling pathways.