The correlation between TGF-b3 and HGF/SF in the process of fusion of secondary palatal shelves
The correlation between TGF-b3 and HGF/SF in the process of fusion of secondary palatal shelves
批准号:
13671968
负责人:
YOSHIDA Hideo
金额:
$1.86万
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:
2001
资助国家:
日本
项目状态:
已结题
起止时间:
2001 至 2002
中文摘要
本研究在体外和体内研究了调节胚胎期细胞生长的TGF-β与器官培养中二级腭架融合过程中上皮-间质转化相关的HGF/SF的相关机制。胚胎第12 ~ 15天采用H.E.染色法检测腭发育,第12 ~ 15天采用全载原位杂交法检测HGF/SF和TGF-β3 Mrna的表达。此外,我们还研究了HGF/SF或TGF-β3在器官培养中的作用。TGF-β3 Mrna从胚胎第12天开始在上皮和间充质层中表达,在胚胎第12.5天显著表达,在胚胎第13.5天后消失;HGF/SF Mrna从胚胎第12天开始在间充质层中表达,在胚胎第13.5天后消失。HGF/SF反义寡核苷酸处理可抑制小鼠二级腭架的融合,但不抑制其在器官培养中的发育。c-Met中和抗体处理可抑制小鼠器官培养中二级腭架的发育。TGF-β3反义寡核苷酸处理可抑制器官培养小鼠二级腭架的发育和融合。上述结果提示,HGF/SF和TGF-β3可能在同一胚胎阶段表达,HGF/SF可能在小鼠二级腭架由垂直方向向水平方向变化时诱导腭尖细胞凋亡,TGF-β3可能与小鼠二级腭架向水平方向生长有关。
英文摘要
In this study, we investigated the mechanism of the corrrelation between TGF-β which regulates the cell growth in the embryonic stage anf HGF/SF which is related to epithelial-mesenchymal transformation in the process of the fusion of secondary palatal shelves in organ culture in vitro and vivo.Palate development was examined by H.E. staining on embryonic day 12〜15, and expression of HGF/SF and TGF-β3, Mrna was investigated by whole mount in situ hybridisation on embryonic day 12〜15. In addition, we conducted to examine whether treatment of HGF/SF or TGF-β3 in organ culture.Expression of TGF-β3 Mrna was detected in epithelial and mesenchymal layer from embryonic day 12, and they were observed markedly on embryonic day 12.5, and disppeared after embryonic day 13.5, Expression of HGF/SF Mrna was also detected in mesenchymal layer from embryonic day 12, and disppeared after embryonic day 13.5. Treatment of HGF/SF antisense oligonucleotide prove inhibited the fusion of mouse secondary palatal shelves,but did not inhibit the development of them in organ culture. Treatment of c-Met neutralizing antibody inhibited the development of mouse secondary palatal shelves in organ culture. Treatment of TGF-β3 antisense oligonucleotide prove inhibited the development and fusion of mouse secondary palatal shelves in organ culture.These findings suggested that HGF/SF and TGF-β3 may express at the same embryonic stage, and HGF/SF may induce apoptosis in the tip of the palate at the time which mouse secondary palatal shelves make a change of direction from vertical position to horizontal position, and TGF-β3 may be related with the growth of mouse secondary palatal shelves to the horizontal direction.
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小林章祐: "マウス胎仔口蓋形成に関ずる研究(吉田秀夫指導:学位論文)"四国歯学会雑誌. 16巻1号(印刷中). (2003)
Shosuke Kobayashi:“胚胎小鼠上颚形成的研究(吉田秀夫指导下的论文)”四国牙科学会杂志第 16 卷,第 1 期(正在印刷)。
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小林章祐: "マウス胎仔二次口蓋突起癒合過程におけるHGF/SFの発現"日本口蓋裂学会雑誌. 27巻2号. 228 (2002)
Shosuke Kobayashi:“小鼠胎儿次级腭突融合过程中 HGF/SF 的表达”,日本裂腭学会杂志,第 27 卷,第 2. 228 期(2002 年)。
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小林章祐: "マウス胎仔口蓋形成に関する研究(吉田秀夫指導:学位論文)"四国歯学会雑誌. 16巻1号(印刷中). (2003)
小林翔介:“胚胎小鼠上颚形成的研究(吉田秀夫指导下的论文)”四国牙科学会杂志第 16 卷,第 1 期(正在印刷)。
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Kobayashi S, Yoshida H, Sato M: "Expression of HGF/SF in the secondary palatal sheves adhesion process"Nihon kogairetugakkaizassi (Japanese). 127, No.2. 228 (2002)
Kobayashi S、Yoshida H、Sato M:“HGF/SF 在次级腭滑粘连过程中的表达”Nihon kogairetugakkaizassi(日语)。
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Kobayashi S: "Research about mouse embryonic palatal formation. (Academic dissertation under the guidance of Hideo Yoshida)"Shikoku Denta Research (Japanese). 15, No.2, in press. (2003)
小林S:“关于小鼠胚胎腭形成的研究。(吉田秀雄指导下的学术论文)”四国牙科研究(日语)。
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