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This article reviews skin regeneration and fibrosis, identifying key cellular and molecular players, and emphasizing the potential to manipulate the postwound environment to promote regeneration over fibrosis.

In this study, researchers detailed how hair follicles regenerate after microsurgical amputation, observing a wound reaction involving dynamic dermal-epidermal interactions and changes in extracellular matrix components.

This study reports that using nanogel and layer-by-layer self-assembly to encapsulate single dermal papilla cells can form cell spheroids that regenerate hair follicles successfully in a hair follicle regeneration model.

This study reported that a novel chitosan/polyvinyl alcohol nanofiber sponge effectively enhances the hair follicle-inducing ability of dermal papilla multicellular spheroids in a mouse model.

This review discusses insights from scar-free animal models and cellular factors in skin regeneration, suggesting potential strategies for developing scar-free treatments in clinical and cosmetic practices, but reports no new clinical results.

This study found that in spiny mice, the proximal side of ear wounds is crucial for regeneration, a process possibly linked to unique injury-induced immune responses compared to nonregenerative rodents.

This review highlights the roles of key transcription factors and signaling pathways in regulating olfactory epithelium regeneration, discussing recent advances in single-cell and spatial transcriptomics as well as organoid models to enhance understanding of olfactory regeneration mechanisms.

The researchers observed that in cichlid fishes with different dental structures, tooth replacement accelerated more than three times following tooth extraction, alongside distinct changes in gene expression and cellular interactions over one week, providing insights into tooth regeneration mechanisms in vertebrates.

This dissertation reported that the loss of Ovol2 impairs hair follicle regeneration and wound repair in mice, highlighting its role in regulating directional migration of epithelial cells.

This mini-review explores how both endogenous and damage-released RNAs serve as instructional signals that influence cell identity and plasticity during tissue maintenance and repair, highlighting RNA's role as a regulator of cellular flexibility in various regenerative contexts.

This study found that sebaceous glands can regenerate after PPARg deletion in adult skin, relying on the hair cycle and FGFR signaling.

This study found that Wnt10a expression in odontoblasts increased with dental pulp regeneration and may be a potential non-cellular agent for inducing dental pulp regeneration with dentine-inducing capacity.

This review highlights how single-cell transcriptomics has advanced understanding of tissue regeneration by revealing cellular diversity and key molecular interactions in animal models, despite methodological challenges, suggesting future applications in developing targeted regenerative therapies.

This article discusses the potential role of telocytes in skin regeneration and the need to understand their interaction with platelet-rich plasma, reporting no new experimental results.

This study found that Ashwagandha-derived nanovesicles increased cell proliferation, angiogenesis, and growth factor expression in vitro, suggesting they may have potential as a plant-based alternative or complement to current therapies for hair and skin conditions.

This research provides insights into how keratin hydrogels, modified to control disulfide crosslinking, may function as a treatment platform for bone injuries.

This review examines the role of nerves in regeneration across various species and discusses their importance as components in the progenitor cell niche, reporting no new clinical results.

This study found that in a population of hair follicles, regenerative cycling stages are regulated by both intrinsic and extrinsic signals, with WNT/BMP signaling mediating interactions among follicles for adaptability.

This review discusses the dual role of cellular senescence in ageing and tissue repair and suggests potential therapeutic applications, with no new experimental results reported.

This review discusses molecular and cellular strategies to improve muscle and skin regeneration and reduce scarring after cleft lip repair, offering potential benefits for function and aesthetics.

This study suggests that the secretome from amniotic fluid-derived mesenchymal stem cells overexpressing Nanog could stimulate hair growth and increase follicle density, potentially aiding in alopecia treatment.

This review examines diverse regenerative strategies in animals and highlights how biochemical, immunological, and mechanical signals can work together for successful skin regeneration in adult mammals, but it reports no new experimental results.

This review discusses the mechanisms and potential benefits of platelet-rich plasma therapy for various skin conditions and reports no new clinical findings.

This study introduces Immunoguided Cutaneous Regeneration as a potential framework for understanding skin allotransplantation, suggesting that regeneration may depend on the preserved extracellular matrix and a regulated immune response.

In this study, researchers developed a near-infrared-responsive nanoplatform that synergistically enhances chronic wound healing by accelerating mitochondrial restoration and immune modulation, leading to enhanced wound repair and high-quality healing in diabetic rat models.

This review explores the current and experimental therapies for chronic wounds, emphasizing the potential of cellular and immunotherapies in addressing these persistent conditions, but notes a shortage of comprehensive studies on their effectiveness.

In this review, researchers explored how various cell types and molecular mechanisms contribute to wound-induced hair follicle neogenesis, highlighting its potential as a therapeutic approach for regenerating hair follicles and minimizing scar formation after injury.

This study observed that human hair follicles were able to regenerate fiber-forming structures after the bulb was amputated and transplanted onto athymic mice, suggesting a general regenerative capacity.

This review highlights the potential of in vivo reprogramming using OSKM transcription factors for developing rejuvenating and regenerative strategies, while noting the associated risk of tumorigenicity and discussing how improved understanding could lead to safer applications.