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Unraveling the potential of 3D bioprinted immunomodulatory materials for regulating macrophage polarization:State-of-the-art in bone and associated tissue regeneration

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Bioactive Materials 2023年第10期28卷 284-310页

作者： Sayan Deb Dutta Tejal V.Patil Keya Ganguly aayushi randhawa Ki-Taek Lim Department of Biosystems Engineering Kangwon National UniversityChuncheon24341Republic of Korea Institute of Forest Science Kangwon National UniversityChuncheon24341Republic of Korea Interdisciplinary Program in Smart Agriculture Kangwon National UniversityChuncheon24341Republic of Korea

Macrophage-assisted immunomodulation is an alternative strategy in tissue engineering, wherein the interplay between pro-inflammatory and anti-inflammatory macrophage cells and body cells determines the fate of healing or inflammation. Although several reports have demonstrated that tissue regeneration depends on spatial and temporal regulation of the biophysical or biochemical microenvironment of the biomaterial, the underlying molecular mechanism behind immunomodulation is still under consideration for developing immunomodulatory scaffolds. Currently, most fabricated immunomodulatory platforms reported in the literature show regenerative capabilities of a particular tissue, for example, endogenous tissue (e.g., bone, muscle, heart, kidney, and lungs) or exogenous tissue (e.g., skin and eye). In this review, we briefly introduced the necessity of the 3D immunomodulatory scaffolds and nanomaterials, focusing on material properties and their interaction with macrophages for general readers. This review also provides a comprehensive summary of macrophage origin and taxonomy, their diverse functions, and various signal transduction pathways during biomaterial-macrophage interaction, which is particularly helpful for material scientists and clinicians for developing next-generation immunomodulatory scaffolds. From a clinical standpoint, we briefly discussed the role of 3D biomaterial scaffolds and/or nanomaterial composites for macrophage-assisted tissue engineering with a special focus on bone and associated tissues. Finally, a summary with expert opinion is presented to address the challenges and future necessity of 3D bioprinted immunomodulatory materials for tissue engineering.

关键词： Macrophage Immunomodulation Biomaterials 3D bioprinting Tissue engineering

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Mesenchymal stem cells,the secretome and biomaterials:Regenerative medicine application

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BIOCELL 2022年第10期46卷 2201-2208页

作者： KI-TAEK LIM TEJAL V.PATIL DINESH KPATEL SAYAN DEB DUTTA KEYA GANGULY aayushi randhawa Department of Biosystems Engineering Interdisciplinary Program in Smart AgricultureKangwon National UniversityChuncheon341Korea

Mesenchymal stem cells(MSCs)are multipotent cells usually isolated from bone marrow,endometrium,adipose tissues,skin,and dental *** played a crucial role in regenerative therapy and have been introduced as an interdisciplinary field between cell biology and material ***,MSCs have been widely explored for their application in regenerative medicine and COVID-19 *** approaches to evaluate the future of biomaterials and stem cell properties have been ***,misconceptions and ethical issues still exist,such as MSCs being non-angiogenic,anti-apoptotic,and immunoregulatory *** stem cells isolation primarily requires the consent of donors and can include the killing of fertilized *** issues generate questions related to ethical and moral ***,MSCs have gained considerable attention for tissue regeneration owing to their differentiation ability with immunomodulatory *** are capable of secreting a broad range of biomolecules such as proteins,nucleic acids,exosomes,microRNAs,and membrane vesicles,collectively known as *** are released in response to the surrounding *** this article,we briefly address topics related to the therapeutic potential of MSCs as an advanced approach in the field of regenerative medicine and various perspectives.

关键词： Mesenchymal Stem Cells Secretome Biomaterials Regenerative Medicine

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Understanding cell-extracellular matrix interactions for topology-guided tissue regeneration

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BIOCELL 2023年第4期47卷 789-808页

作者： aayushi randhawa SAYAN DEB DUTTA KEYA GANGULY TEJAL V.PATIL RACHMI LUTHFIKASARI KI-TAEK LIM Department of Biosystems Engineering Kangwon National UniversityChuncheon24341Korea Interdisciplinary Program in Smart Agriculture Kangwon National UniversityChuncheon24341Korea

Tissues are made up of cells and the extracellular matrix(ECM)which surrounds *** cells and tissues are actively adaptable to enduring significant stress that occurs in daily *** astonishing mechanical stress develops due to the interaction between the live cells and the non-living *** in the matrix microenvironment can sense the signals and forces produced and initiate a signaling cascade that plays a crucial role in the body’s normal functioning and influences various properties of the native cells,including growth,proliferation,and ***,the matrix’s characteristic features also impact the repair and regeneration of the damaged *** current study reviewed how the cell-ECM interaction regulates cellular behavior and physicochemical ***,we have described the response of cells to mechanical stresses,the importance of substrate stiffness and geometry in tissue regeneration,and the development of scaffolds to mimic the nature of native ECM in 3D for tissue engineering applications has also been ***,the study summarizes the conclusions and promising prospects based on the cell-ECM interplay.

关键词： ECM Stress Mechanical force Scaffold Mechanotransduction Tissue engineering

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