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The document concluded that stem cells are crucial for skin repair, regeneration, and may help in developing advanced skin substitutes.

Scientists created human skin with hair from stem cells, which could help treat hair loss and skin conditions.

In this study, researchers used 3D bioprinting to successfully create engineered skin tissues with hair follicle-like structures, potentially enhancing skin grafts and safety testing for chemical compounds by more closely mimicking natural skin complexity.

This review highlights the potential of 3D bioprinting in developing functional, patient-specific artificial skin, addressing limitations of traditional skin grafts and advancing regenerative medicine applications.

This review suggests that induced pluripotent stem cells (iPSCs) hold promise for treating chronic wounds, but further work is needed to address safety, efficacy, and translation from preclinical models to real-world applications.

This review discusses the challenges of skin graft acceptance and examines current strategies and alternatives for full-thickness skin replacement and repair, noting that immunological rejection remains a significant hurdle.

This study found that 3D-printed polyamine-modified hydrogels facilitate M2 macrophage polarization and exosome secretion, enhancing skin cell compatibility and promoting wound healing and hair follicle induction in an animal model through specific signaling pathways, suggesting potential for skin disorder therapies.

This study suggests that bio-nanovesicles, such as exosomes and microvesicles, may enhance skin and hair follicle regeneration by modulating key signaling pathways, potentially overcoming the limitations of conventional treatments for alopecia and chronic skin diseases.

In this study, researchers discovered that the HrasG12V oncogenic mutation in murine skin epithelial cells initially promotes progenitor cell renewal but later leads to a balanced differentiation, stabilizing clone growth.

This review discusses current concepts in wound repair and suggests that these evolving paradigms might also explain regenerative processes in various organ systems, but it reports no new research findings.

This review discusses the roles that mesenchymal stem cells may play in reepithelialization of wounds, but reports no new clinical results.

In this study, researchers observed that oncogenic HrasG12V in single murine epidermal cells leads to an initial increase in progenitor cell renewal, but ultimately results in balanced cell fate choices that limit clone growth.

This study demonstrated that an engineered human skin equivalent can generate follicle-like structures resembling fetal skin, highlighting the role of the dermal compartment in directing epithelial cell fate in vitro.

This report reviews current advances in hair follicle regeneration for tissue-engineered skin grafts and highlights the feasibility and challenges of creating human hair follicles in this setting, suggesting key bioengineering requirements.

This study found that CD26+ fibroblasts are crucial for effective extracellular matrix production and achieving rapid epidermal and dermal homeostasis in human tissue-engineered skin substitutes transplanted onto rodents.

This review explores the potential of multifunctional bioscaffolds in skin tissue engineering, highlighting their successful biological performance in vitro and in vivo animal models, while also identifying the demand for technological advancements to improve wound healing applications in clinical settings.

This study observed that earlier-passage keratinocyte cultures led to superior hair follicle neogenesis in dermal-epidermal composites grafted onto immunodeficient mice, suggesting their potential utility in studying human hair follicle development.

This review systematically evaluates 13 animal and 2 mathematical models for alopecia areata, assessing their effectiveness in understanding the condition's pathogenesis and aiding in the development of new therapeutic strategies.

This abstract discusses the importance of developing intelligent and multifunctional dressings with skin-like properties for real-time wound monitoring, highlighting their potential to improve wound management, prognostic evaluation, and the integration of health monitoring into clinical practice.

This review discusses genetically-engineered mouse models for studying melanocytes and reports no new experimental findings; it emphasizes their potential to address unanswered questions in melanoma biology.

This study found that while 3D spheroid culture preserved sweat gland cell-specific markers better than 2D culture, their growth and structural organization were suboptimal, highlighting the need for improved culture systems.

This study observed that tissue-engineered skin, using VEGF165 gene-modified cells embedded in astragalus polysaccharide-containing 3D printed scaffolds, enhanced early vascularization, and collagen and hair follicle regeneration, leading to improved skin repair in nude mice with full skin defects.

This study developed a genetic toolbox to engineer Cutibacterium acnes for dermal applications, successfully creating a strain that secretes antioxidants to reduce oxidative stress in a UV stress model.

This review examines the origins and mechanisms of tumor initiation in common skin cancers, but does not present new experimental findings; it emphasizes the need for further research on cancer stem cells.

In this study, cashmere goats engineered to overexpress the Tβ4 gene in hair follicles produced more cashmere, indicating that Tβ4 promotes secondary hair follicle development and enhances yield.

This review assesses the potential of smart dressings, engineered to respond to various stimuli, as advanced treatments for chronic inflammatory skin diseases by examining their activation mechanisms and proposing future developments like integrating AI and closed-loop monitoring for adaptive therapy.

This study demonstrated that cultured human dermal papilla cells can induce full hair follicle formation when combined with neonatal foreskin keratinocytes in a grafted dermal-epidermal construct on mice.

In a mouse model of androgenetic alopecia, this study found that a novel hydrogel containing minoxidil-incorporated engineered exosomes (Gel@MNs) enhanced hair regeneration more effectively than conventional minoxidil, increasing hair follicle number and size while reducing skin irritation.

This review examines how skin organoids, derived from stem cells, are constructed to simulate skin functions and are pivotal in wound healing and regeneration, highlighting their promising roles in both research and therapeutic applications.

This review discusses the potential use of cultured primary fetal cells from a single organ donation to produce therapeutic products, emphasizing the need for process consistency and safety verification, but reports no clinical results.