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Wound healing involves three phases and various cells and factors, with scars typically forming in adults. Chronic wounds can occur due to various issues, and abnormal scarring can lead to hypertrophic or keloid scars. Emerging research areas include the role of proteins, microRNAs, macrophage manipulation, and stem cell treatment.

The microneedle patch speeds up wound healing and prevents infection.

Dermal papilla cells are crucial for hair growth and can induce new hair follicles.

Tiny particles from skin cells can help grow new hair by activating a specific growth signal during skin healing.

Artificial skin is improving wound healing and shows potential for treating different types of wounds.

Special gels help heal diabetic foot sores and reduce the risk of amputation or death.

The hydrogel made of chitosan, HPMC, and insulin speeds up wound healing and could be a new dressing, especially for diabetics.

Scientists created a tiny, 3D model of a hair follicle that grows and acts like a real one.

Laminin 332 is essential for normal skin cell behavior and structure.

Porcine acellular dermal matrix helps hair growth by boosting specific proteins and signals.

Negative Pressure Wound Therapy speeds up wound healing by reducing inflammation and promoting skin cell growth.

The Aligned membranes improved wound healing and hair growth with a better immune response in mice.

The hair follicle's connection to connective tissue is weaker than the skin's.

Targeting specific cell interactions may help treat skin fibrosis.

Epithelial stem cells are crucial for tissue renewal and repair, and understanding them could improve treatments for damage and cancer.

Epithelial cells from young rat hair follicles grow and form aggregates in culture, but don't produce hair keratin proteins.

Epidermal stem cells help renew skin and heal wounds, influenced by specific proteins and markers.

3DEEP reveals early hair follicle stem cell formation and niche establishment before hair bulb development.

New hair can grow from large wounds in mice, but less so as they age, involving reprogramming of skin cells and specific molecular pathways.

The gel with icariin speeds up wound healing, reduces scarring, and helps hair growth by controlling BMP4 signaling. It also reduces inflammation and improves wound quality in mice, adapts to different wound shapes, and gradually releases icariin to aid healing. It also prevents too much collagen and myofibroblast formation during skin healing.

Pericytes can both help and hinder wound healing, needing more research for effective use in treatments.

Fetal scalp cells have more regenerative genes than adult cells, and decellularized muscle matrix is better for muscle repair than commercial alternatives.

3D bioprinting improves wound healing by precisely creating scaffolds with living cells and biomaterials, but faces challenges like resolution and speed.

Sericin hydrogels heal skin wounds well, regrowing hair and glands with less scarring.

Skin wounds can create fat cells that help regenerate hair follicles, with BMP signaling playing a crucial role in this process.

Disrupting YAP signaling in skin cells leads to scar-free healing directed by specific cell signals.

Continuous microfluidic processes can help scale up microtissue production for industrial and clinical use.