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3D bioprinting is advancing in plastic and reconstructive surgery, especially for creating tissues and improving surgical planning, but faces challenges like vascularization and material development.

Skin stem cells are crucial for maintaining and repairing skin, with potential for treating skin disorders and improving wound healing.

Researchers created a fully functional, bioengineered skin system with hair from stem cells that successfully integrated when transplanted into mice.

Retinoic acid-binding proteins in skin are regulated by β-catenin and Notch signalling.

Overactivating Hedgehog signaling makes hair follicle cells in mice grow hair faster and create more follicles.

Epidermal stem cells show promise for treating orthopedic injuries and diseases.

Scientists are using clumps of special stem cells to improve organ repair.

Human hair follicle cells can grow hair when put into mouse skin if they stay in contact with mouse cells.

Grouping certain skin cells together activates a growth pathway that helps create new hair follicles.

Human hair follicles can regenerate and recover after severe injury by going through a brief abnormal resting phase before growing again.

Mouse amnion can turn into skin and hair follicles with help from certain cells and factors.

Electrospun matrices help regenerate skin and hair follicles using PCL and collagen scaffolds.

Stem cells are crucial for skin repair and new treatments for chronic wounds.

Flightless I protein affects hair growth, with low levels delaying it and high levels increasing hair length in rodents.

Hair in mammals likely evolved from glandular structures, not scales.

SM-215 promotes hair growth by improving the environment around hair follicles.

Different types of fibroblasts play specific roles in wound healing and cancer, which could help improve treatments.

The study developed a new way to create hair-growing tissue that can help regenerate hair follicles and control hair growth direction.

Hydrogel composites have great potential in regenerative medicine, tissue engineering, and drug delivery.

The conclusion is that accurately replicating the complexity of the extracellular matrix in the lab is crucial for creating realistic human tissue models.

Skin cysts might help advance stem cell treatments to repair skin.

Hormones and stretching both needed for nipple area skin growth in mice.

A new method using a microfluidic device can prepare hair follicle germs efficiently for potential use in hair loss treatments.

Sostdc1 controls the size and number of hair and mammary gland structures.

The document concluded that more research is needed to understand how estrogen affects the enzyme involved in hirsutism development.

Scientists created early-stage hairs from mouse cells that grew into normal, pigmented hair when implanted into other mice.

Hair follicle regeneration possible, more research needed.

3D microenvironments in microwells improve hair follicle stem cell behavior and hair regeneration.

CTHRC1 helps hair grow back, and plantar dermis mixture boosts it.

Increasing mir-302 turns human hair cells into stem cells by changing gene regulation and demethylation.