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This review explores the potential diagnostic and therapeutic applications of extracellular vesicles in treating various skin conditions but reports no new clinical study results.

This review discusses how extracellular vesicles play a dual role in age-related diseases by contributing to both disease pathogenesis and potential therapeutic strategies through the transfer of specific molecules.

This review examines current and potential approaches to managing chronic wound inflammation through macrophage-targeted strategies using ECM-inspired wound dressings, but it reports no new clinical results.

This research review outlines the challenges of diabetic wounds, such as diabetic foot ulcers, and examines the potential of electrospinning nanofiber scaffolds to improve healing by promoting tissue formation, allowing drug release, and enhancing specific wound healing properties.

This article discusses the potential of extracellular vesicles for developing precise psychiatric therapies and the need for interdisciplinary collaboration, but reports no new clinical results.

This review examines advancements in "smart" hydrogel dressings for complex wound healing, highlighting innovations in materials that provide multifunctionality, such as responsive drug delivery and regenerative capabilities. The study also addresses potential challenges in clinical application, like manufacturing and regulatory hurdles.

In this study, researchers suggest that hair follicle miniaturization in conditions like androgenetic alopecia may result from impaired conversion of quiescent stem cells to progenitor cells, influenced by the follicular niche, its collagen network, and various mechanical constraints.

This study demonstrated that a novel hydrogel combining extracellular vesicles from chemically induced mammary epithelial cells with chitosan significantly enhanced skin wound healing in a rat model.

In this review, retinoids are highlighted as promising agents for promoting scarless skin regeneration by coordinating cellular and molecular processes that suppress fibrosis, enhance re-epithelialization, promote angiogenesis, and enable hair follicle formation, potentially advancing functional skin repair.

This study by Bansaccal et al. found that skin with higher levels of type I collagen density and elasticity in the dermis can inhibit basal cell carcinoma development and spread by acting as a natural barrier against cell reprogramming in mice.

This review discusses the applications and potential of microneedles loaded with extracellular vesicles for tissue regenerative repair and disease diagnosis, but does not report new experimental findings.

This study found that isolated hair follicle outer root sheaths from mice can regenerate new dermal papillary structures in vitro, with stem cells and neutrophils playing key roles in the regeneration process.

This study found that Anigozanthos Flavidus flower extract may improve skin elasticity and reduce wrinkles by increasing essential extracellular matrix proteins in both in vitro and in vivo settings.

This study found that adipocytes play a crucial role in skin wound healing by facilitating fibroblast recruitment and dermal reconstruction during the healing process.

This review discusses recent advances in hair follicle biology, regeneration, and tissue engineering, highlighting emerging therapeutic opportunities, and reports no new experimental results.

This study found that PHBV cocultured with epithelial and dermal cells might enhance early-stage wound healing by promoting wound closure and re-epithelization more effectively than PHBV/collagen.

In this laboratory study, ASC-conditioned medium showed higher therapeutic potential than extracellular vesicles alone in reducing inflammation and catabolic activity in human chondrocytes with an osteoarthritis phenotype, highlighting its possible use in osteoarthritis management.

This study found that macrophage extracellular vesicles enriched with Wnt proteins significantly promoted hair follicle growth in mice and increased hair shaft size in human hair follicles, suggesting potential clinical use for treating hair loss.

This study found that α-MSH administration before skin wounding in adult mice reduced inflammation and scar area, suggesting a potential pathway to more regenerative healing.

This study found that extracellular vesicles derived from hair follicle mesenchymal stromal cells demonstrated similar potential to those from adipose tissue in promoting cell proliferation and migration, enhancing angiogenesis, and protecting cells under stress, suggesting promise for chronic wound treatment.

In this study, CD109 overexpression in transgenic mice led to reduced inflammation and improved collagen organization during wound healing without affecting wound closure.

This study identified FP-1 as a highly specific extracellular matrix protein in follicular papilla cells, which may play a role in hair growth regulation during specific hair cycle phases.

This study found that glycosaminoglycan levels were higher in the occipital area of the hair shaft compared to the parietal area, with children showing higher levels than adults.

This study found that low androgen levels in rat penile endothelial cells were associated with a decrease in eNOS-expressing extracellular vesicles and reduced nitric oxide production.

This study observed that bone marrow mesenchymal stem cells cultured in three-dimensionally bioprinted hydrogels with higher stiffness, like 3A8G, tend to differentiate more into hair follicle cells compared to those in less stiff hydrogels, like 1A4G.

This article highlights the significant challenge that tissue regeneration presents to modern medicine, emphasizing its importance in improving quality of life.

This study identified a group of dermal fibroblasts near hair follicle stem cells in mice that facilitate hair regeneration by creating a biomechanically compliant extracellular matrix, enhancing stem cell activation and promoting a positive feedback loop for tissue regeneration.

The hydrogel helps heal wounds without scars by releasing two drugs gradually.

This review discusses the role of extracellular vesicles in psoriasis pathogenesis and their potential as therapeutic agents or drug delivery systems, but it reports no new clinical findings.