Engineering pore-enriched and pre-vascularized volumetric constructs for enhanced blood glucose regulation in type 1 diabetes therapy.

IF 8.2 2区 医学 Q1 ENGINEERING, BIOMEDICAL Biofabrication Pub Date : 2024-12-16 DOI:10.1088/1758-5090/ad998e
Jaewook Kim, In Kyong Shim, Yu Na Lee, Myungji Kim, Dong Gyu Hwang, Jihwan Kim, Yeonggwon Jo, Suhun Chae, Jisoo Kim, Song Cheol Kim, Dong-Woo Cho, Jinah Jang
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引用次数: 0

Abstract

Managing type 1 diabetes mellitus (T1DM) presents significant challenges because of the complexity of replicating the microenvironment of pancreatic islets and ensuring the long-term viability and function of transplanted insulin-producing cells (IPCs). This study developed a functional approach that utilizes 3D bioprinting technology to create pore-enriched and pre-vascularized tissue constructs incorporating a pancreatic tissue-derived decellularized extracellular matrix and human-induced pluripotent stem cells (hiPSCs) aimed at enhancing blood glucose regulation in T1DM. We designed a volumetric 3D pancreatic tissue construct that supported the engraftment, survival, and insulin-producing functionality of hiPSC-derived IPCs. The construct's porosity was optimized to enhance IPC delivery efficiency. Additionally, human umbilical vein endothelial cells co-cultured with IPCs in a patterned structure facilitated pre-vascularization, improving construct integration with host tissues and accelerating revascularization post-transplantation. Our results demonstrate high cell viability and sustained insulin production in diabetic rodent models, indicating the constructs' effectiveness in regulating blood glucose levels over an extended period. The findings of this study not only underscore the potential of 3D bioprinting for creating functional tissue constructs for T1DM treatment but also offer efficient cell delivery techniques applicable to other areas of regenerative medicine.

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来源期刊
Biofabrication
Biofabrication ENGINEERING, BIOMEDICAL-MATERIALS SCIENCE, BIOMATERIALS
CiteScore
17.40
自引率
3.30%
发文量
118
审稿时长
2 months
期刊介绍: Biofabrication is dedicated to advancing cutting-edge research on the utilization of cells, proteins, biological materials, and biomaterials as fundamental components for the construction of biological systems and/or therapeutic products. Additionally, it proudly serves as the official journal of the International Society for Biofabrication (ISBF).
期刊最新文献
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