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Human skin can provide stem cells for tissue repair and regeneration, but there are challenges in obtaining and growing these cells safely.

NIR-II imaging effectively tracked stem cells that helped repair facial nerve defects in rats.

Hair can regrow after significant damage through a process similar to how it forms before birth, involving stem cells and various cell types and signals. This could be a new way to prevent scarring and promote hair growth.

The outer root sheath in hair follicles changes during growth, with different keratinization processes in its layers.

Nestin-expressing progenitor cells become outer root sheath keratinocytes.

The hydrogel helps skin heal by encouraging new blood vessel growth.

The skin can still regenerate and function well even with fewer fibroblasts.

Cells from the base of hair follicles help blood vessel cells survive and grow, which is important for healthy hair.

Touch domes in human skin are complex sensory structures not directly linked to hair.

Cell division orientation varies by body site and is linked to epidermal thickness and cell density.

The study created hair-bearing skin models that lack a key protein for skin layer attachment, limiting their use for certain skin disease research.

Telocytes in the scalp may help with skin regeneration and maintenance.

There are two types of stem cells in rodent hair follicles, each with different keratin proteins.

The study concluded that the developed models are effective for studying hair growth mechanisms and testing new treatments.

Hair papilla cells are crucial for blood vessel development in hair follicles, affecting hair growth and loss.

Skin-derived precursors in hair follicles come from different origins but function similarly.

Healing of heart and skin wounds in animals are similar.

Skin spheroids with both outer and inner layers are key for regrowing skin patterns and hair.

Early-stage skin substitutes improve wound healing and skin structure.

Keratin hydrogel improves nerve regeneration and motor recovery.

Rare Gli1+ fibroblasts are crucial for skin wound healing.

Activating a protein called β-catenin in adult skin can make it behave like young skin, potentially helping with skin aging and hair loss.

Scientists can now create skin with hair by reprogramming cells in wounds.

A temporary capillary cell type helps skin repair after radiation by promoting blood vessel growth.

A new staining method clearly shows nerves around eyebrow hair follicles.

The research created a detailed map of skin cells, showing that certain cells in basal cell carcinoma may come from hair follicles and could help the cancer grow.

Regenerated hairs can regain their color if the wound occurs during a certain stage of hair growth, and this process is helped by specific skin cells and proteins.

Certain skin cells near the base of hair muscles may help renew and stabilize skin, possibly affecting skin disorder understanding.