Bone Marrow Cell Culture for Producing Tissue Engineered Regenerative Blood Vessels as a Goal of Clinical Application
Bone Marrow Cell Culture for Producing Tissue Engineered Regenerative Blood Vessels as a Goal of Clinical Application
批准号:
14580812
负责人:
ISHIDA Atsushi
金额:
$2.24万
依托单位:
依托单位国家:
日本
项目类别:
Grant-in-Aid for Scientific Research (C)
财政年份:
2002
资助国家:
日本
项目状态:
已结题
起止时间:
2002 至 2003
中文摘要
1.确定用于从骨髓细胞进行血管再生的有效和简单的细胞群分选:以临床应用为目标,在其他研究资料的基础上,G-CSF动员的外周血单核细胞被认为是“用于从骨髓细胞再生血管的细胞群”的替代物,并被用于实验“2“。在体外结合骨髓细胞、生长因子和人工细胞外基质(ECM)这三种不可避免的元素用于血管再生:本研究的主要主题。在含有I型和IV型胶原、纤连蛋白、玻连蛋白和纤维蛋白原作为ECM的培养基中观察到培养板中骨髓来源的CD 34阳性细胞的内皮定殖。术后第1年纤连蛋白的疗效是其他ECM的5倍。在第2年,为了通过三维培养进一步离体血管再生,将临床使用的人造血管之一PTFE(Polyurethane)片材在涂覆PAU(Polyaminourethane)以使其亲水并增加组织亲和力后用于细胞培养“支架”,使用骨髓来源的CD 34阳性细胞和G-CSF动员的外周血单个核细胞。6种ECM、I、IV型胶原、纤连蛋白、2种纤连蛋白肽和玻连蛋白在三维培养体系中对细胞粘附和增殖的促进作用,其中以纤连蛋白RGD肽的促进作用最强。3.分析“血管片”中内皮细胞和平滑肌细胞转分化的机制尚不清楚。
英文摘要
1.Determination of effective and simple cell-groups sorting for vessel regeneration from bone marrow cells : Aiming at clinical applications, based on recent other research data, G-CSF mobilized peripheral-blood mononuclear cells are thought to be substituted for "cell-groups for vessel regeneration from bone marrow cells" and used for experiment "2"2.Determination of optimal conditions for making "vascular sheets" shortly In vitrocombining three inevitable elements, bone marrow cells, growth factors and artificial extracellular matrix (ECM) for vessel regeneration : Main theme of this study. Endothelial colonization of bone marrow derived CD34 positive cells in culture plates was observed in the media with type I & IV Collagen, Fibronectin, Vitronectin and Fibrinogen as ECM. It was obtained at 1st year that efficacy of Fibronectin was 5 times of those of other ECM. At 2nd year, aiming at further ex vivo vessel regeneration with 3 dimensional culture, one of clinically used vascular prosthesis, PTFE (Polytetrafluoroethylene) sheets, were used for cell culture "scaffold" after coating with PAU (Polyaminourethane) to make hydrophilic and to increase tissue affinity, Bone marrow derived CD34 positive cells and G-CSF mobilized peripheral-blood mononuclear cells were used. Six ECM, type I & IV Collagen, Fibronectin, 2 Fibronectin peptide and Vitronectin were used for observation of acceleration of cell adhesion and proliferation in 3 dimensional culture system Among them, Fibronectin RGD peptide was most efficient.3.To analyze the mechanism of transdifferenciation between endothelial cells and smooth muscle cells in "vascular sheets" It remains to be unclear.
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石田厚: "ハイブリッド型人工血管の開発のため、骨髄由来内皮前駆細胞が生着・増殖に効果的な多孔質ポリ4フッ化エチレン樹脂(ePTFE)人工マトリックスの開発"千葉医学雑誌(0303-5476). 79巻・6号. 265 (2003)
Atsushi Ishida:“开发一种多孔聚四氟乙烯树脂(ePTFE)人工基质,可有效促进骨髓源性内皮祖细胞的植入和增殖,从而开发混合人工血管”《千叶医学杂志》(0303-5476)。第 79 卷第 6 期。265 (2003)
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通讯作者:
Ishida, A.: "Development of Polytetrafluoroethylene (PTFE) artificial Matrix for effective adhesion and proliferation of Bone Marrow derived Endothelial Progenitor Cells to produce Hybrid-type prosthetic vascular graft"Journal of the Chiba Medical Society
Ishida, A.:“开发聚四氟乙烯 (PTFE) 人工基质,使骨髓源性内皮祖细胞有效粘附和增殖,以生产混合型人工血管移植物”千叶医学会杂志
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石田厚, 今牧瑞浦, 宮崎勝: "ハイブリッド型人工血管の開発のため、骨髄由来内皮前駆細胞が生着・増殖に効果的なPTFE人工matrixの開発"日本血管外科学会雑誌(0918-6778). 12巻・3号. 312 (2003)
Atsushi Ishida、Mizuura Imamaki、Masaru Miyazaki:“开发一种 PTFE 人造基质,可有效促进骨髓源性内皮祖细胞的植入和增殖,从而开发混合人造血管”日本血管外科学会杂志( 0918-6778) )。第 12 卷,第 3 期。312 (2003)。
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石田厚: "ハイブリッド型人工血管の開発のため、骨髄由来内皮前駆細胞が生着・増殖に効果的な多孔質ポリ4フッ化エチレン樹脂(ePTFE)人工マトリックスの開発"千葉医科雑誌(0303-5476). 79巻・6号. 265 (2003)
Atsushi Ishida:“开发一种多孔聚四氟乙烯树脂(ePTFE)人工基质,可有效促进骨髓源性内皮祖细胞的植入和增殖,从而开发混合人工血管”《千叶医学杂志》(0303-5476)。第 79 卷第 6 期。265 (2003)
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石田厚, 児玉亮, 宮崎勝: "ハイブリッド型人工血管の開発のため、末梢血単核細胞群が生着・増殖に効果的なPTFE人工マトリックスの開発"人工臓器(0300-0818). 32巻・2号. S81 (2003)
Atsushi Ishida、Ryo Kodama、Masaru Miyazaki:“开发对外周血单核细胞的植入和增殖有效的 PTFE 人造基质,以开发混合人造血管”Artificial Organs (0300-0818)。 2.S81(2003)
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共 9 条
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