FGF signaling accelerate epithelial regeneration by Oral Epithelial Stem Cells

FGF 信号传导加速口腔上皮干细胞的上皮再生

• 批准号: 21592482
• 负责人: INOUE Masahiro
• 金额: $ 3万
• 依托单位: Osaka Dental University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (C)
• 财政年份: 2009
• 资助国家: 日本
• 起止时间: 2009 至 2011
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-21592482/
• 关键词: FGF; 口腔上皮; 幹細胞; 粘膜再生

Fibroblast growth factor-10(FGF-10) is a known epithelial mitogen in several organ systems, such as the lung, that acts in a bidirectional paracrine manner and acts exclusively through a subset of receptors such as FGFr2b. However, its role in oral epithelial regeneration is unknown. We investigated the role of FGFr2b/FGF-10 signaling in oral epithelial wound healing using FGF-10 overexpression(OE) and FGFr2b attenuation/knock-down(KD) transgenic mice. The present results suggested that, 1) Under-developing of the epithelial layer was noted in the FGFr2b KD mice, whereas over-developing was noted in the FGF-10 OE mice. 2) FGF10 overexpression initiated the parakeratosis of oral epithelium or urothelium and 3) FGF10 overexpression worked the proliferation of the basal laminae in the stratified squamous epithelium and transitional epithelium. Form these results, FGF-10/FGFr2b signaling appears to play an active proliferation in Oral Epithelial Stem Cells, and accelerate the regenerative capacity of the oral epithelium.

成纤维细胞生长因子 10 (FGF-10) 是多种器官系统（例如肺）中已知的上皮有丝分裂原，以双向旁分泌方式发挥作用，并且仅通过 FGFr2b 等受体子集发挥作用。然而，其在口腔上皮再生中的作用尚不清楚。我们使用 FGF-10 过表达 (OE) 和 FGFr2b 减弱/敲低 (KD) 转基因小鼠研究了 FGFr2b/FGF-10 信号在口腔上皮伤口愈合中的作用。目前的结果表明，1) 在 FGFr2b KD 小鼠中注意到上皮层发育不足，而在 FGF-10 OE 小鼠中注意到上皮层过度发育。 2）FGF10过表达引发口腔上皮或尿道上皮角化不全，3）FGF10过表达促进复层鳞状上皮和移行上皮中基底层的增殖。从这些结果来看，FGF-10/FGFr2b信号似乎在口腔上皮干细胞中发挥活跃的增殖作用，并加速口腔上皮的再生能力。

项目成果

Signaling by FGFR2b controls the regenerative capacity of adult mouse incisors.

FGFR2b 信号传导控制成年小鼠门牙的再生能力。

• 发表时间: 2010
• 影响因子: 4.6
• 作者: Parsa S; Kuremoto K; Seidel K; 他
• 通讯作者: 他

A Potential Role for FGF-10/FGFr2b Signaling in Bladder Homeostasis

FGF-10/FGFr2b 信号在膀胱稳态中的潜在作用

• 发表时间: 2010
• 作者: Kuremoto K; Yamzon J; Choi IS; Lee KH; Bellusci S; Warburton D; Koh K
• 通讯作者: Koh K

線維芽細胞増殖因子が口腔上皮由来幹細胞の機能と分化を制御する

成纤维细胞生长因子调节口腔上皮源性干细胞的功能和分化

• 发表时间: 2011
• 作者: 呉本晃一; 前田照太; 西崎宏; 岡崎定司
• 通讯作者: 岡崎定司

Influence Of Mechanical Loads On Bone Surrounding Short Implants Studied By Finite Element Analysis

通过有限元分析研究机械载荷对短种植体周围骨的影响

• 发表时间: 2009
• 作者: Kuremoto K; Maeda T; Okazaki J
• 通讯作者: Okazaki J

FGFR2b signaling and ameloblast stem cells in mouse incisor regeneration.

FGFR2b 信号传导和成釉细胞干细胞在小鼠门牙再生中的作用。

• 发表时间: 2010
• 作者: Kuremoto K; 他
• 通讯作者: 他