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This review discusses recent advances in scarless wound healing, focusing on strategies to create pro-regenerative scaffolds for repairing damaged skin, and reports no new clinical results.

This study found that macrophages are crucial for skin regeneration during tissue expansion, as their depletion in rats led to inhibited skin growth and reduced secretion of key growth factors.

This study found that high levels of parathyroid hormone-related protein expression can result in the production of shorter hair shafts, likely through effects on angiogenesis.

This study found that 3% peppermint oil significantly enhanced hair growth in C57BL/6 mice, showing increased dermal thickness, follicle number, and follicle depth compared to other treatments.

This review discusses the advancements and challenges in skin bioprinting techniques and applications, including hair follicles and pigmentation, while addressing the need for improvements in vascularization, safety, and clinical translation, according to the authors.

This study reports that a heparin-based sericin hydrogel encapsulating basic fibroblast growth factor significantly accelerated wound healing in mice by enhancing vascularization, re-epithelialization, and collagen deposition.

This study found that treating skin wounds with a combination of epidermis-derived epithelial-like stem/progenitor cells and platelet-rich plasma improved tissue repair and increased vascularization and elastin content compared to platelet-rich plasma alone.

This review discusses the current state of research on skin organoids, highlighting their potential for replicating complex skin structures and comparing recent studies on stem cell microenvironments.

This study found that angiogenin is expressed in human dermal papilla cells, where it might stimulate hair growth by promoting cell proliferation and local skin angiogenesis.

This study found that topical Linum usitatissimum gel significantly enhanced wound healing and tissue regeneration in rat models, with increased collagen synthesis and vascularization compared to controls.

This study found that a newly developed hemi-vascularized sandwich method significantly improved the regeneration and maturity of hair follicles compared to other transplantation approaches in rat models.

This study observed that MAA beads improved vascularization in non-diabetic male mice by modulating the Shh signaling pathway in wound granulation tissue, but showed no such effects in females.

This research reported that a newly developed adhesive wound dressing (SIS/PAA/LAP) demonstrated higher tissue adhesion and burst strength compared to conventional products, and improved tissue repair outcomes in animal models, suggesting potential for enhanced wound healing applications.

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 study developed a biodegradable nanofibrous biofilm that attracts skin-related cells and accelerates blood vessel formation, potentially improving skin wound healing.

This study found that combining TIMP-1 with graphene oxide promoted skin tissue regeneration in rats and provided sustained release of TIMP-1 over 40 days.

In this study, implantable vascularized engineered thrombi using autologous whole blood improved skin wound healing in rats by promoting robust microcapillary networks and accelerating healing processes.

This study found that CLD-hFGF2 hydrogels improved healing in deep second-degree burn wounds more effectively than hydrogels alone or direct administration of CLD-hFGF2.

This study found that mesenchymal stem cells sourced from hair follicle outer root sheath showed higher differentiation efficiency and angiogenic potential for vascular graft applications compared to adipose-derived stem cells.

This study found that GDNF promotes hair formation and skin wound repair by enhancing the self-renewal and differentiation of bulge stem cells in mice.

The study found that Sh-Polypeptide 9, a biomimetic peptide, enhances endothelial tubulogenesis and VEGF production more effectively than minoxidil, particularly at low concentrations, suggesting potential for hair follicle vascularization.

This study explored recent advancements in 3D bioprinting for head and neck defects, highlighting how bioinks and scaffolds may improve treatment customization and functionality by mimicking native tissue features. The research also examined challenges like biocompatibility and regulatory requirements on the path to clinical use.

This study found that transplanting adipose tissue into the rat dorsum supported long-term skin expansion by enhancing thickness, vascularization, and cell proliferation, with adipose-derived cells actively contributing to skin regeneration and growth factor expression.

This review examines adipose-derived stem cells as a promising therapy for alopecia but reports no new clinical results, discussing their potential mechanisms and the challenges faced in treatment development.

This study reports that a nutritional complex may improve hair density and quality, with in vitro findings demonstrating inhibition of 5α-reductase, and participants noting reduced hair loss and greasiness.

In this study, hydrophilic EG7 PTK-UR foams promoted better wound healing and tissue integration in a porcine model compared to more hydrophobic PTK-UR variants and a polyester-based alternative, while matching a collagen-based standard.

New methods for growing skin cells can improve skin grafts by building blood vessels within them.

In this animal study, combined cellular therapy significantly improved diabetic wound healing, and probiotics further enhanced these effects by reducing oxidative stress, apoptosis, and inflammation while promoting vascularization and collagen organization.

This study developed a multifunctional dressing with the MeGel-SFSR composition, which showed faster healing and better tissue regeneration in diabetic wounds compared to controls, by utilizing a herbal compound and enhanced mechanical support, promoting hair follicle regeneration, collagen deposition, reduced inflammation, and vascularization in vivo.

This review explores how combining extracellular vesicles with hydrogels and utilizing 3D bioprinting technologies creates innovative composite systems for wound healing, offering advanced mechanical and biological support, while addressing challenges like degradation and regulatory issues in clinical applications.