Cutaneous wound healing is a complex and dynamic process involving multiple cellular mechanisms and signaling pathways. The disruption of normal anatomy triggers a cascade of molecular events integrating various cell types, cytokines, growth factors, and extracellular matrix components. This intricate molecular interplay facilitates cell migration and proliferation of immune cells, endothelial cells, keratinocytes, and fibroblasts to the wound site, promoting tissue repair. Aberrant wound healing can result in chronic wounds or excessive scar formation, underscoring the need to understand the underlying biological mechanisms. Key processes such as ubiquitination, inflammation, immune response, cellular migration, proliferation, and extracellular matrix remodeling play pivotal roles. Growth factors like EGF and PDGF stimulate cellular functions essential for granulation tissue formation, angiogenesis, and re-epithelialization. Cytokines act as mediators, balancing pro- and anti-inflammatory responses to ensure proper tissue repair while preventing pathological consequences. Dysregulation in signaling pathways such as TGF-β, VEGF, and PI3K/AKT affects angiogenesis, cellular activity, and ECM remodeling, contributing to healing impairment. Innovative therapeutic strategies utilizing hydrogels, nanoparticles, and biomimetic systems show promise in optimizing the delivery and bioavailability of growth factors and cytokines. These approaches mimic natural wound healing dynamics, enhancing cellular responses and promoting tissue regeneration. Despite advancements, challenges such as co-morbidities, protein stability, and translational hurdles persist, highlighting the need for multidisciplinary efforts to bridge the gap between research and clinical application. Comprehensive insights into cellular behavior and molecular interactions offer potential solutions to achieve effective and personalized wound healing therapies.

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Growth Factors and Cytokines: Unravelling Molecular Mechanisms for Therapeutic Innovations in Wound Care

  • Madhan Jeyaraman,
  • Naveen Jeyaraman,
  • Sathish Muthu,
  • Shrideavi Murugan,
  • Sharun Khan

摘要

Cutaneous wound healing is a complex and dynamic process involving multiple cellular mechanisms and signaling pathways. The disruption of normal anatomy triggers a cascade of molecular events integrating various cell types, cytokines, growth factors, and extracellular matrix components. This intricate molecular interplay facilitates cell migration and proliferation of immune cells, endothelial cells, keratinocytes, and fibroblasts to the wound site, promoting tissue repair. Aberrant wound healing can result in chronic wounds or excessive scar formation, underscoring the need to understand the underlying biological mechanisms. Key processes such as ubiquitination, inflammation, immune response, cellular migration, proliferation, and extracellular matrix remodeling play pivotal roles. Growth factors like EGF and PDGF stimulate cellular functions essential for granulation tissue formation, angiogenesis, and re-epithelialization. Cytokines act as mediators, balancing pro- and anti-inflammatory responses to ensure proper tissue repair while preventing pathological consequences. Dysregulation in signaling pathways such as TGF-β, VEGF, and PI3K/AKT affects angiogenesis, cellular activity, and ECM remodeling, contributing to healing impairment. Innovative therapeutic strategies utilizing hydrogels, nanoparticles, and biomimetic systems show promise in optimizing the delivery and bioavailability of growth factors and cytokines. These approaches mimic natural wound healing dynamics, enhancing cellular responses and promoting tissue regeneration. Despite advancements, challenges such as co-morbidities, protein stability, and translational hurdles persist, highlighting the need for multidisciplinary efforts to bridge the gap between research and clinical application. Comprehensive insights into cellular behavior and molecular interactions offer potential solutions to achieve effective and personalized wound healing therapies.