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Culture of pyramidal neural precursors, neural stem cells, and fibroblasts on various biomaterials

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机构: [a]Cell Therapy Center, Beijing Institute of Geriatrics, Xuanwu Hospital, Capital Medical University, and Key Laboratory of Neurodegeneration, Ministry of Education, Beijing 100053, China [b]Center of Neural Injury and Repair, Beijing Institute for Brain Disorders, Beijing, 100069, China [c]Center of Parkinson's Disease, Beijing Institute for Brain Disorders, Beijing, 100069, China [d]Department of Neurobiology, Capital Medical University, Beijing 100069, China. [e]School of Materials Science and Engineering, Tsinghua University, Beijing 100084, China.
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关键词: aligned biomaterials pyramidal neurons neural stem cells fibroblasts tissue repair

摘要:
A combinatory approach using biomaterials together with cells may improve the efficacy of cell therapy for treatment of various diseases/indications. In the current study, we cultured pyramidal neural precursors (PNPs), neural stem cells (NSCs), and fibroblasts on different materials that included fibrin, collagen, hyaluronic acid (HA), sciatic nerves, and matrigel, to search for the most suitable biomaterial for culture of each cell type. Collagen was fabricated in both an aligned collagen-poly (lactic-co-glycolic acid) (PLGA) composite and an alveolate form; fibrin and hyaluronic acid were made in an aligned form only. Pyramidal neurons have strong projection ability and have potentials in neural circuit reconstruction. However, PNPs showed difficulty in attaching to and growing neurites on most of the materials tested, except for matrigel, in which neurite growth was observed in a three dimentional culture. NSCs and derivatives hold promise in treating neurological diseases. On aligned fibrin, NSCs could differentiate and grow neurites in a directional manner before fibrin was degraded in 2 days. On aligned collagen-PLGA, induced neural stem cells (iNSCs) could survive and differentiate for at least 2 weeks, but the neurites failed to extend in an aligned way. Fibroblast graft are useful in many indications, such as in skin burns. Fibroblasts generally grew better on the tested materials than did the neural cells, and fibroblasts could grow directionally on the aligned fibrin and scattered around on the alveolate collagen. The study provided information which may be used to further optimize the materials to support culture of each type of cells.

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出版当年[2017]版:
大类 | 3 区 工程技术
小类 | 4 区 工程:生物医学 4 区 材料科学:生物材料 4 区 高分子科学
最新[2023]版:
大类 | 4 区 医学
小类 | 3 区 高分子科学 4 区 工程:生物医学 4 区 材料科学:生物材料
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出版当年[2016]版:
Q2 POLYMER SCIENCE Q3 ENGINEERING, BIOMEDICAL Q3 MATERIALS SCIENCE, BIOMATERIALS
最新[2023]版:
Q2 ENGINEERING, BIOMEDICAL Q2 POLYMER SCIENCE Q3 MATERIALS SCIENCE, BIOMATERIALS

影响因子: 最新[2023版] 最新五年平均 出版当年[2016版] 出版当年五年平均 出版前一年[2015版] 出版后一年[2017版]

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第一作者机构: [a]Cell Therapy Center, Beijing Institute of Geriatrics, Xuanwu Hospital, Capital Medical University, and Key Laboratory of Neurodegeneration, Ministry of Education, Beijing 100053, China [b]Center of Neural Injury and Repair, Beijing Institute for Brain Disorders, Beijing, 100069, China [c]Center of Parkinson's Disease, Beijing Institute for Brain Disorders, Beijing, 100069, China
通讯作者:
通讯机构: [a]Cell Therapy Center, Beijing Institute of Geriatrics, Xuanwu Hospital, Capital Medical University, and Key Laboratory of Neurodegeneration, Ministry of Education, Beijing 100053, China [b]Center of Neural Injury and Repair, Beijing Institute for Brain Disorders, Beijing, 100069, China [c]Center of Parkinson's Disease, Beijing Institute for Brain Disorders, Beijing, 100069, China
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