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This comprehensive review suggests that CD44 signaling plays a significant role in post-natal skin wound healing and scar formation, with potential for therapeutic approaches targeting CD44 to shift from fibrotic scarring towards regenerative healing, including wound regeneration and hair neogenesis.

This study constructed a consensus single-cell atlas of hidradenitis suppurativa tunnels, identifying distinct microenvironmental endotypes with different inflammatory and fibrotic profiles, suggesting that TNF blockade may not be sufficient for addressing all lesions.

This study synthesizes knowledge of how dendritic cell signals, epithelial integrins, and fibroblast activity converge on TGF-β1 to maintain or disrupt skin healing, contrasting normal and fibrotic scar formation and suggesting possible integrin and immune-targeted treatments for skin fibrosis.

This review explores how spiny mice (Acomys spp.) exhibit unique regenerative healing abilities, with findings indicating that these rodents use specialized injury response mechanisms and proregenerative pathways to enhance tissue repair and regeneration compared to scar-forming mammals.

This narrative review highlights current insights into how perifollicular fibrosis contributes to androgenetic alopecia, by hindering hair regrowth and treatment response, and outlines potential antifibrotic therapies, though conclusive evidence from randomized controlled trials is still needed.

This study found that MAPK/ERK signaling plays a key role in driving tissue regeneration in spiny mice and suggests potential for reversing fibrosis to promote regeneration in mammals.

This study found that sustained ERK activity during tissue regeneration in spiny mice is linked to fibroblast growth factor and ErbB signaling, while inhibiting ERK shifted regeneration toward scarring.

The researchers reported that introduction of SOX9 in ischemic heart tissues is linked to cardiac fibrosis, marking it as a potential target for future therapeutic strategies.

This review discusses the dual role of the Wnt/β-catenin pathway in mammalian tissue injury, highlighting its potential for both promoting regeneration and contributing to fibrosis, but presents no new findings.

This case study highlights the difficulties in diagnosing and treating interstitial lung disease, emphasizing the complex nature of ILD management and the need for further research and clearer guidelines.

This review explores the diverse roles and heterogeneity of fibroblasts across different organs, highlighting their potential involvement in both normal tissue functioning and fibrotic diseases, but reports no new experimental results.

In this study, bovine testes hyaluronidase accelerated wound healing in vitro and in vivo by enhancing cellular proliferation, reepithelialization, and modulating inflammation in rat models.

This study found that Plakophilin 1 regulates innate immune responses in keratinocytes by controlling RNA helicase activity, balancing inflammation during epidermal immune challenges.

This study found that transplanting hair follicles into human scars may remodel fibrotic tissue and reduce scarring by altering collagen structure and decreasing pro-fibrotic factors.

This study found that certain genetic variants, specifically CYB5R1 and IL1A, may be linked to different types of acne scarring, with CYB5R1 associated with atrophic scarring and IL1A with fibrotic scarring, indicating a potential polygenic nature of acne scarring.

This review discusses sex-based differences in immune responses, focusing on genetic, hormonal, and microbiome factors influencing infections like COVID-19, and reports no clinical results.

This review discusses the potential of organoids in modeling COVID-19 disease and developing therapies, without reporting new results, and highlights opportunities and challenges in their application for research.

This study explored the use of multiphoton microscopy to monitor changes in tumors and surrounding tissues in breast cancer patients undergoing neoadjuvant chemotherapy, finding it may effectively detect treatment response at cellular levels without using exogenous contrast agents.

In this study, researchers prepared a humanized CXCL12 antibody for alopecia areata treatment, finding it significantly delayed disease onset in mice and reduced immune cell activation, suggesting potential as an immune modulatory therapy.

In this study, spiny mice showed superior cardiac recovery after myocardial infarction compared to other mouse strains, with enhanced myocardial preservation and functional stabilization.

This review discusses the roles of dermal white adipose tissue (dWAT) as an insulator, antibiotic, and regenerative tissue, highlighting its importance in systemic metabolism and immune function, but reports no new clinical results.

This study suggests that porphyra-334 may have antiaging properties, promoting collagen synthesis, improving periorbital wrinkles, and supporting hair follicle growth through gene regulation.

In this study, researchers found that the compound BMS-470539 induced a senescence-like state in fibroblasts from systemic sclerosis patients, reducing fibrosis-associated markers in vitro and decreasing skin thickness in a mouse model of skin fibrosis, suggesting a novel therapeutic strategy for managing fibroblast-driven diseases.

This study demonstrated that supplementing aged mice with pro-IGF-II improved muscle regeneration by enhancing satellite cell proliferation and reducing adipogenesis, suggesting potential benefits for treating muscle injuries in elderly individuals.

This study suggests the mechanical effect of injecting a solution is more important than the solution's nature in treating atrophic acne scars, with UBM sonography proposed for objective assessment.

This study found that the DexIEME hydrogel promotes complete skin regeneration and scar attenuation in murine and porcine models, suggesting potential for treating deep dermal injuries.

This study found that topical application of TGF-β mimic promoted enhanced wound healing and tissue regeneration in mice, suggesting its potential as a therapeutic option for improving wound healing.

This study found that culturing fibroblasts on stiffer substrates mimicking fibrotic wounds led to an aligned EDA fibronectin matrix with thinner fibers and decreased YAP activity, suggesting disrupted signaling that might be restored to promote regenerative wound repair.

This review discusses the role of peroxisome proliferator-activated receptors and their agonists in dermatology but reports no new clinical results.

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.