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<p>3D bioprinting is revolutionizing tissue engineering and regenerative medicine by enabling the precise fabrication of biologically functional constructs. At its core, the success of 3D bioprinting hinges on the development of bioinks, hydrogel-based materials that support cellular viability, proliferation, and differentiation. However, conventional bioinks face limitations in mechanical strength, biological activity, and customization. Recent advancements in genetic engineering have addressed these challenges by enhancing the properties of bioinks through genetic modifications. These innovations allow the integration of stimuli-responsive elements, bioactive molecules, and extracellular matrix (ECM) components, significantly improving the mechanical integrity, biocompatibility, and functional adaptability of bioinks. This review explores the state-of-the-art genetic approaches to bioink development, emphasizing microbial engineering, genetic functionalization, and the encapsulation of growth factors. It highlights the transformative potential of genetically modified bioinks in various applications, including bone and cartilage regeneration, cardiac and liver tissue engineering, neural tissue reconstruction, and vascularization. While these advances hold promise for personalized and adaptive therapeutic solutions, challenges in scalability, reproducibility, and integration with multi-material systems persist. By bridging genetics and bioprinting, this interdisciplinary field paves the way for sophisticated constructs and innovative therapies in tissue engineering and regenerative medicine.</p>

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Genetic and bioactive functionalization of bioinks for 3D bioprinting

  • 期刊论文

  • 发表日期：

    2025年5月20日

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  • Pawan Kumar,
  • Jitender Sharma,
  • Ravinder Kumar,
  • Jan Najser,
  • Jaroslav Frantik,
  • Nagaraju Sunnam,
  • Anil Sindhu,
  • Seepana Praveenkumar

摘要

3D bioprinting is revolutionizing tissue engineering and regenerative medicine by enabling the precise fabrication of biologically functional constructs. At its core, the success of 3D bioprinting hinges on the development of bioinks, hydrogel-based materials that support cellular viability, proliferation, and differentiation. However, conventional bioinks face limitations in mechanical strength, biological activity, and customization. Recent advancements in genetic engineering have addressed these challenges by enhancing the properties of bioinks through genetic modifications. These innovations allow the integration of stimuli-responsive elements, bioactive molecules, and extracellular matrix (ECM) components, significantly improving the mechanical integrity, biocompatibility, and functional adaptability of bioinks. This review explores the state-of-the-art genetic approaches to bioink development, emphasizing microbial engineering, genetic functionalization, and the encapsulation of growth factors. It highlights the transformative potential of genetically modified bioinks in various applications, including bone and cartilage regeneration, cardiac and liver tissue engineering, neural tissue reconstruction, and vascularization. While these advances hold promise for personalized and adaptive therapeutic solutions, challenges in scalability, reproducibility, and integration with multi-material systems persist. By bridging genetics and bioprinting, this interdisciplinary field paves the way for sophisticated constructs and innovative therapies in tissue engineering and regenerative medicine.