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      돼지 간 유래 탈세포화 세포바깥바탕질 하이드로겔 지지체를 활용한 가슴샘상피세포의 3차원 배양 = Three-Dimensional Culture of Thymic Epithelial Cells on Decellularized Porcine Liver Extracellular Matrix Hydrogel Scaffolds

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      https://www.riss.kr/link?id=A109488742

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      국문 초록 (Abstract) kakao i 다국어 번역

      가슴샘은 T 세포의 선택과 성숙을 매개하여 적응 면역에서 필수적인 역할을 한다. 가슴샘상피세포(thymic epithelial cell)는 가슴샘의 주요 기질 구성 요소로서 스펀지 형태의 3차원 구조를 형성하며, T 세포 발달에 필요한 미세환경을 제공한다. 가슴샘상피세포와 발달 중인 가슴샘세포(thymocytes) 사이의 물리적 및 생화학적 상호작용은 이러한 3차원 구조 내에서 이루어지며, 적절한 T 세포 성숙에 필수적이다. 그러나 기존의 2차원 세포 배양 시스템은 가슴샘 미세환경을 재현하지 못하여 가슴샘상피세포의 주요 분자 인자 발현을 감소시시고 기능 저하를 유발함으로써 효과적인 T 세포 발달을 유도하지 못하는 한계를 초래한다. 이에 비해 3차원 세포 배양은 세포가 구조화된 지지체 내에서 성장하면서 이웃 세포 및 세포바깥바탕질과 상호작용할 수 있도록 하여 생체 내 환경을 보다 정밀하게 모사하며, 세포의 성장과 기능을 촉진할 수 있다. 3차원 세포 배양 기술 구현을 위해서는 생체 세포바깥바탕질의 구조적 및 생화학적 특성을 재현할 수 있는 지지체가 필수적이다. 탈세포화 세포바깥바탕질 지지체는 세포 성분을 제거한 후 세포바깥바탕질의 고유 구조와 생물학적 활성을 유지하여 이러한 요구를 충족시킨다. 탈세포화 세포바깥바탕질 기반 하이드로겔은 추가적인 생물학적 인자 없이도 증식, 이동, 분화와 같은 다양한 세포 활동을 지지하여 조직공학 응용에 이상적인 소재로 간주된다. 본 연구에서는 돼지 간 유래 탈세포화 세포바깥바탕질을 이용하여 가슴샘상피세포의 3차원 배양을 지지하는 자가 겔화 하이드로겔을 개발하였다. 이 하이드로겔은 가슴샘상피세포의 증식, 생존, 스페로이드 형성 및 활성을 증진시켰다. 이러한 연구 결과는 가슴샘상피세포의 3차원 배양에 대한 이해를 증진시키며, 돼지 간 유래 탈세포화 세포바깥바탕질 하이드로겔이 T 세포 발달, 가슴샘 오가노이드 바이오프린팅 및 가슴샘 재생 분야에서 유망한 응용 가능성을 지니고 있음을 시사한다.
      번역하기

      가슴샘은 T 세포의 선택과 성숙을 매개하여 적응 면역에서 필수적인 역할을 한다. 가슴샘상피세포(thymic epithelial cell)는 가슴샘의 주요 기질 구성 요소로서 스펀지 형태의 3차원 구조를 형성...

      가슴샘은 T 세포의 선택과 성숙을 매개하여 적응 면역에서 필수적인 역할을 한다. 가슴샘상피세포(thymic epithelial cell)는 가슴샘의 주요 기질 구성 요소로서 스펀지 형태의 3차원 구조를 형성하며, T 세포 발달에 필요한 미세환경을 제공한다. 가슴샘상피세포와 발달 중인 가슴샘세포(thymocytes) 사이의 물리적 및 생화학적 상호작용은 이러한 3차원 구조 내에서 이루어지며, 적절한 T 세포 성숙에 필수적이다. 그러나 기존의 2차원 세포 배양 시스템은 가슴샘 미세환경을 재현하지 못하여 가슴샘상피세포의 주요 분자 인자 발현을 감소시시고 기능 저하를 유발함으로써 효과적인 T 세포 발달을 유도하지 못하는 한계를 초래한다. 이에 비해 3차원 세포 배양은 세포가 구조화된 지지체 내에서 성장하면서 이웃 세포 및 세포바깥바탕질과 상호작용할 수 있도록 하여 생체 내 환경을 보다 정밀하게 모사하며, 세포의 성장과 기능을 촉진할 수 있다. 3차원 세포 배양 기술 구현을 위해서는 생체 세포바깥바탕질의 구조적 및 생화학적 특성을 재현할 수 있는 지지체가 필수적이다. 탈세포화 세포바깥바탕질 지지체는 세포 성분을 제거한 후 세포바깥바탕질의 고유 구조와 생물학적 활성을 유지하여 이러한 요구를 충족시킨다. 탈세포화 세포바깥바탕질 기반 하이드로겔은 추가적인 생물학적 인자 없이도 증식, 이동, 분화와 같은 다양한 세포 활동을 지지하여 조직공학 응용에 이상적인 소재로 간주된다. 본 연구에서는 돼지 간 유래 탈세포화 세포바깥바탕질을 이용하여 가슴샘상피세포의 3차원 배양을 지지하는 자가 겔화 하이드로겔을 개발하였다. 이 하이드로겔은 가슴샘상피세포의 증식, 생존, 스페로이드 형성 및 활성을 증진시켰다. 이러한 연구 결과는 가슴샘상피세포의 3차원 배양에 대한 이해를 증진시키며, 돼지 간 유래 탈세포화 세포바깥바탕질 하이드로겔이 T 세포 발달, 가슴샘 오가노이드 바이오프린팅 및 가슴샘 재생 분야에서 유망한 응용 가능성을 지니고 있음을 시사한다.

      더보기

      다국어 초록 (Multilingual Abstract) kakao i 다국어 번역

      The thymus is essential for adaptive immunity, mediating the selection and maturation of T cells. Thymic epithelial cells (TECs), as key stromal components, form a three-dimensional sponge-like network that creates the microenvironment critical for T cell development. Physical and biochemical interactions between TECs and developing thymocytes occur within this network and are indispensable for proper T cell maturation. Conventional two-dimensional (2D) cell culture systems, however, fail to replicate the thymic microenvironment, leading to reduced TEC functionality and impaired T cell development. Three-dimensional (3D) cell culture offers a more physiologically relevant model by enabling cells to grow within structured scaffolds that facilitate interactions with neighboring cells and the extracellular matrix (ECM), thereby mimicking the in vivo environment. Scaffolds that replicate the structural and biochemical properties of the ECM are essential for implementing 3D culture. Decellularized extracellular matrix (dECM) scaffolds meet these requirements by preserving ECM's native structure and bioactivity after removing cellular components. dECM-based scaffolds support diverse cellular activities-such as proliferation, migration, and differentiation-without the need for additional biological factors, making them ideal for tissue engineering applications. This study developed a bioactive hydrogel derived from porcine liver dECM to support the 3D culture of TECs. The hydrogel enhanced TEC proliferation, survival, spheroid formation, and activity, closely replicating the native thymic microenvironment. These findings advance our understanding of TEC behavior in 3D culture and highlight the potential of porcine liver dECM hydrogels for applications in T cell development, thymic organoid bioprinting, and thymus regeneration.
      번역하기

      The thymus is essential for adaptive immunity, mediating the selection and maturation of T cells. Thymic epithelial cells (TECs), as key stromal components, form a three-dimensional sponge-like network that creates the microenvironment critical for T ...

      The thymus is essential for adaptive immunity, mediating the selection and maturation of T cells. Thymic epithelial cells (TECs), as key stromal components, form a three-dimensional sponge-like network that creates the microenvironment critical for T cell development. Physical and biochemical interactions between TECs and developing thymocytes occur within this network and are indispensable for proper T cell maturation. Conventional two-dimensional (2D) cell culture systems, however, fail to replicate the thymic microenvironment, leading to reduced TEC functionality and impaired T cell development. Three-dimensional (3D) cell culture offers a more physiologically relevant model by enabling cells to grow within structured scaffolds that facilitate interactions with neighboring cells and the extracellular matrix (ECM), thereby mimicking the in vivo environment. Scaffolds that replicate the structural and biochemical properties of the ECM are essential for implementing 3D culture. Decellularized extracellular matrix (dECM) scaffolds meet these requirements by preserving ECM's native structure and bioactivity after removing cellular components. dECM-based scaffolds support diverse cellular activities-such as proliferation, migration, and differentiation-without the need for additional biological factors, making them ideal for tissue engineering applications. This study developed a bioactive hydrogel derived from porcine liver dECM to support the 3D culture of TECs. The hydrogel enhanced TEC proliferation, survival, spheroid formation, and activity, closely replicating the native thymic microenvironment. These findings advance our understanding of TEC behavior in 3D culture and highlight the potential of porcine liver dECM hydrogels for applications in T cell development, thymic organoid bioprinting, and thymus regeneration.

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      참고문헌 (Reference)

      1 Asnaghi MA, "Thymus extracellular matrix-derived scaffolds support graft-resident thymopoiesis and long-term in vitro culture of adult thymic epithelial cells" 31 : 2010747-, 2021

      2 van Ewijk W, "Thymic microenvironments, 3-D versus 2-D?" 11 : 57-64, 1999

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      6 Silva CS, "The influence of feeder cell-derived extracellular matrix density on thymic epithelial cell culture" 9 : 2514-2523, 2023

      7 Cukierman E, "Taking cell-matrix adhesions to the third dimension" 294 : 1708-1712, 2001

      8 Antebi B, "Stromal-cell-derived extracellular matrix promotes the proliferation and retains the osteogenic differentiation capacity of mesenchymal stem cells on three-dimensional scaffolds" 21 : 171-181, 2015

      9 Yoo S, "Spheroid-Hydrogel-Integrated biomimetic system : A new frontier in advanced three-dimensional cell culture technology" 12 : 1-20, 2024

      10 Faia-Torres AB, "Regulation of human mesenchymal stem cell osteogenesis by specific surface density of fibronectin : a gradient study" 7 : 2367-2375, 2015

      1 Asnaghi MA, "Thymus extracellular matrix-derived scaffolds support graft-resident thymopoiesis and long-term in vitro culture of adult thymic epithelial cells" 31 : 2010747-, 2021

      2 van Ewijk W, "Thymic microenvironments, 3-D versus 2-D?" 11 : 57-64, 1999

      3 Wang HX, "Thymic epithelial cells contribute to thymopoiesis and T cell development" 10 : 3099-, 2020

      4 Anderson G, "Thymic epithelial cells : working class heroes for T cell development and repertoire selection" 33 : 256-263, 2012

      5 Mohtashami M, "Three-dimensional architecture of the thymus is required to maintain delta-like expression necessary for inducing T cell development" 176 : 730-734, 2006

      6 Silva CS, "The influence of feeder cell-derived extracellular matrix density on thymic epithelial cell culture" 9 : 2514-2523, 2023

      7 Cukierman E, "Taking cell-matrix adhesions to the third dimension" 294 : 1708-1712, 2001

      8 Antebi B, "Stromal-cell-derived extracellular matrix promotes the proliferation and retains the osteogenic differentiation capacity of mesenchymal stem cells on three-dimensional scaffolds" 21 : 171-181, 2015

      9 Yoo S, "Spheroid-Hydrogel-Integrated biomimetic system : A new frontier in advanced three-dimensional cell culture technology" 12 : 1-20, 2024

      10 Faia-Torres AB, "Regulation of human mesenchymal stem cell osteogenesis by specific surface density of fibronectin : a gradient study" 7 : 2367-2375, 2015

      11 Silva CS, "Recapitulation of thymic function by tissue engineering strategies" 10 : e2100773-, 2021

      12 Montel-Hagen A, "Organoid-Induced differentiation of conventional T cells from human pluripotent stem cells" 24 : 376-389, 2019

      13 Hun M, "Native thymic extracellular matrix improves in vivo thymic organoid T cell output, and drives in vitro thymic epithelial cell differentiation" 118 : 1-15, 2017

      14 Jeon H, "Nanostructured surface of electrospun PCL/dECM fibres treated with oxygen plasma for tissue engineering" 6 : 32887-32896, 2016

      15 Yamada KM, "Modeling tissue morphogenesis and cancer in 3D" 130 : 601-610, 2007

      16 Milton LA, "Liver click dECM hydrogels for engineering hepatic microenvironments" 185 : 144-160, 2024

      17 Silva CS, "Laminin-2 immobilized on a 3D fibrous structure impacts cortical thymic epithelial cells behaviour and their interaction with thymocytes" 222 : 3168-3177, 2022

      18 Schmitt TM, "Induction of T cell development from hematopoietic progenitor cells by delta-like-1in vitro" 17 : 749-756, 2002

      19 Montel-Hagen A, "In vitro recapitulation of murine thymopoiesis from single hematopoietic stem cells" 33 : 108320-, 2020

      20 Truong VX, "In situ-forming click-crosslinked gelatin based hydrogels for 3D culture of thymic epithelial cells" 4 : 1123-1131, 2016

      21 Mohammadreza Kasravi ; Armin Ahmadi ; Amirhesam Babajani ; Radman Mazloomnejad ; Mohammad Reza Hatamnejad ; Siavash Shariatzadeh ; Soheyl Bahrami ; Hassan Niknejad, "Immunogenicity of decellularized extracellular matrix scaffolds : a bottleneck in tissue engineering and regenerative medicine" 27 : 10-, 2023

      22 Tibbitt MW, "Hydrogels as extracellular matrix mimics for 3D cell culture" 103 : 655-663, 2009

      23 Mittelbrunn M, "Hallmarks of T cell aging" 22 : 687-698, 2021

      24 Seet CS, "Generation of mature T cells from human hematopoietic stem and progenitor cells in artificial thymic organoids" 14 : 521-530, 2017

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      27 Kim B, "Functionalization of porous BCP scaffold by generating cell-derived extracellular matrix from rat bone marrow stem cells culture for bone tissue engineering" 12 : e1256-e1267, 2018

      28 Huh D, "From 3D cell culture to organs-on-chips" 21 : 745-754, 2011

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      30 Subhan F, "Fish scale collagen peptides protect against CoCl2/TNF-α-induced cytotoxicity and inflammation via inhibition of ROS, MAPK, and NF-κB pathways in HaCaT cells" 2017 : 9703609-, 2017

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      45 Jiang Y, "Construction of 3D tumor in vitro models with an immune microenvironment exhibiting similar tumor properties and biomimetic physiological functionality" 13 : 223-235, 2024

      46 Choi DJ, "Bioactive fish collagen/polycaprolactone composite nanofibrous scaffolds fabricated by electrospinning for 3D cell culture" 205 : 47-58, 2015

      47 Shanks N, "Are animal models predictive for humans?" 4 : 2-, 2009

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