Cbfa1 promoter regulation in bone cells and its application for regeneration
Cbfa1 promoter regulation in bone cells and its application for regeneration
批准号:
12557123
负责人:
NODA Masaki
金额:
$8.51万
依托单位国家:
日本
项目类别:
Grant-in-Aid for Scientific Research (B)
财政年份:
2000
资助国家:
日本
项目状态:
已结题
起止时间:
2000 至 2001
中文摘要
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英文摘要
In this study, we investigated Cbfa1 promoter fragment located up to 1.8 kb up stream to the transcription start site is responsible for the activity of this gene in osteoblastic cells. Further analysis of the 1.8 kb Cbfa1 gene promoter indicated that CIZ can activate Cbfa1 promoter by itself. In addition, in the presence of high levels of BMP signal, Cbfa1 promoter activity is inhibited by the presence of CIZ. Signal interaction analysis indicated that BMP activated Smad action is inhibited by CIZ based on the levels of promoter activations. These data indicated that Cbfa1 is under the control of not only BMP signaling but also by the cell attachment related transcription factor, CIZ. Analysis of the cell transfer experiments using that cells expressing CIZ and Cbfa1 indicated that bone marrow drived progenitor cells could regulate bone marrow and part of the articular catilage.
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Ishijima,M.,Rittling,S.R.,Yamashita,T.,Tsuji,K.,Kurosawa,H.,Nifuji,A.,Denhardt,D.T.,and Noda,M.: "Enhancement of osteoclastic bone resorption and suppression of osteoblastic bone formation in response to reduced mechanical stress do not occur in the absen
Ishijima,M.、Ritdling,S.R.、Yamashita,T.、Tsuji,K.、Kurosawa,H.、Nifuji,A.、Denhardt,D.T. 和 Noda,M.:“破骨细胞骨吸收的增强和成骨细胞骨的抑制
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通讯作者:
Tsuji,K.and Noda,M.: "Transient Suppression of Cbfa1 Expression by Basic Fibroblast Growth Factor (bFGF) in Rat Osteoblast-like Osteosarcoma ROS17/2.8 Cells."Journal of Bone and Mineral Metabolism. (In Press). (2001)
Tsuji, K. 和 Noda, M.:“大鼠成骨细胞样骨肉瘤 ROS17/2.8 细胞中碱性成纤维细胞生长因子 (bFGF) 对 Cbfa1 表达的瞬时抑制。”骨与矿物质代谢杂志。
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Yoshida Y: "Negative regulation of BMP/Smad signaling by Tob in osteoblasts"Cell. 103. 1085-1097 (2000)
Yoshida Y:“成骨细胞中 Tob 对 BMP/Smad 信号传导的负调节”细胞。
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Shiraki-Iida T, Iida A,: "Improvement of multiple pathophysiological phenotypes of klotho (kl/kl) mice by adenovirus-mediated expression of the klotho gene"Journal of Gene Med. 2. 233-42 (2000)
Shiraki-Iida T,Iida A,:“通过腺病毒介导的 klotho 基因表达改善 klotho (kl/kl) 小鼠的多种病理生理表型”《基因医学杂志》。
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Denhardt, D. T.: "Osteopontin as a means to cope with environmental insults : regulation of inflammation, tissue remodeling, and cell survival"Journal of Clinical Investigation. 107. 1055-61 (2001)
Denhardt, D. T.:“骨桥蛋白作为应对环境损害的手段:炎症调节、组织重塑和细胞存活”临床研究杂志。
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共 78 条
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