Regulation system of differentiation from mesenchymal stem cells to bone, vascular, and fatty tissues by mechanical loading and unloading
间充质干细胞通过机械加载和卸载分化为骨、血管和脂肪组织的调控系统
基本信息
- 批准号:22390295
- 负责人:
- 金额:$ 5.32万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for Scientific Research (B)
- 财政年份:2010
- 资助国家:日本
- 起止时间:2010-04-01 至 2014-03-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
We performed studies using exercise loading mice and unloading mice due to tail suspension. We demonstrated that the signal through PTH/PTHrP receptors promoted osteogenic differentiation and suppressed adipogenic differentiation from mesenchyman stem cells under loading condition. This signal is necessary for promotion of periosteal bone formation and enlargement of cross-sectional cortical shell. The expressions of CD31 and its receptor CD38 decreased after unloading and recovered to the normal loading levels after reloading. Co-culture experiments of osteoblasts and CD38 positive cells revealed that vascular endothelial factors are necessary for osteogenic differentiation.
我们使用运动负荷小鼠和由于尾部悬挂而卸载的小鼠进行了研究。我们证明,在负荷条件下,通过 PTH/PTHrP 受体的信号促进间充质干细胞的成骨分化并抑制脂肪形成分化。该信号对于促进骨膜骨形成和横截面皮质壳的扩大是必要的。卸载后CD31及其受体CD38的表达下降,重载后恢复至正常加载水平。成骨细胞和CD38阳性细胞的共培养实验表明,血管内皮因子是成骨分化所必需的。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Reduced bone formation in alcohol-induced osteopenia is associated with elevated p21 expression in bone marrow cells in aldehyde dehydrogenase 2-disrupted mice
乙醛脱氢酶 2 破坏小鼠骨髓细胞中 p21 表达升高与酒精引起的骨质减少症中骨形成减少有关
- DOI:10.1016/j.bone.2011.01.008
- 发表时间:2011
- 期刊:
- 影响因子:4.1
- 作者:Shimizu Y; et al
- 通讯作者:et al
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SAKAI Akinori其他文献
Trabecular Bone Volume Is Reduced, With Deteriorated Microstructure, With Aging in a Rat Model of Duchenne Muscular Dystrophy
杜氏肌营养不良症大鼠模型随着年龄的增长,骨小梁体积减少,微观结构恶化
- DOI:
10.7888/juoeh.44.323 - 发表时间:
2022 - 期刊:
- 影响因子:0
- 作者:
OBARA Hinako;TAJIMA Takafumi;TSUKAMOTO Manabu;YAMANAKA Yoshiaki;SUZUKI Hitoshi;ZENKE Yukichi;KAWASAKI Makoto;KOUZAKI Karina;NAKAZATO Koichi;HIRANUMA Kenji;SAKAI Akinori - 通讯作者:
SAKAI Akinori
SAKAI Akinori的其他文献
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{{ truncateString('SAKAI Akinori', 18)}}的其他基金
Bone and vascular signals during the repair process after bone and bone marrow injury
骨和骨髓损伤后修复过程中的骨和血管信号
- 批准号:
18390422 - 财政年份:2006
- 资助金额:
$ 5.32万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Trabecular bone turnover and bone marrow cell development after immobilization
固定后小梁骨转换和骨髓细胞发育
- 批准号:
08671706 - 财政年份:1996
- 资助金额:
$ 5.32万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
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