Epithelial-specific requirement of FGFR2 signaling during tooth and palate development.

Epithelial-specific requirement of FGFR2 signaling during tooth and palate development.
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DOI:
10.1002/jez.b.21274
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发表时间:
2009-06-15
影响因子:
2.2
通讯作者:
Chai, Yang
Chai, Yang
中科院分区:
生物学4区
文献类型:
--
作者:
Hosokawa, Ryoichi;Deng, Xuemei;Takamori, Kazunori;Xu, Xun;Urata, Mark;Bringas, Pablo, Jr.;Chai, Yang

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上皮和间充质之间的相互作用对胚胎发育至关重要。成纤维细胞生长因子(FGFs)是一类在上皮-间充质组织相互作用中发挥重要作用的生长因子家族。我们建立了针对成纤维细胞生长因子受体2(FGFR2)的上皮细胞特异性条件性基因敲除小鼠,以研究成纤维细胞生长因子信号在颅面部发育中的作用。K14-Cre;Fgfr2fl/fl小鼠有皮肤缺陷、牙齿形成迟缓和腭裂。在牙原基和腭突的形成过程中,K14-Cre;Fgfr2fl/fl小鼠上皮细胞的细胞增殖减少。因此,在牙齿和腭部发育过程中,通过FGFR2在上皮细胞中的成纤维细胞生长因子信号对细胞的增殖活性至关重要。
Reciprocal interactions between epithelium and mesenchyme are crucial for embryonic development. Fibroblast growth factors (FGFs) are a growth factor family that play an important role in epithelial–mesenchymal tissue interaction. We have generated epithelial-specific conditional knockout mice targeting Fibroblast growth factor receptor 2 (Fgfr2) to investigate the function of FGF signaling during craniofacial development. K14-Cre;Fgfr2fl/fl mice have skin defects, retarded tooth formation, and cleft palate. During the formation of the tooth primordium and palatal processes, cell proliferation in the epithelial cells of K14-Cre;Fgfr2fl/fl mice is reduced. Thus, FGF signaling via FGFR2 in the epithelium is crucial for cell proliferation activity during tooth and palate development.
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发表时间: 2001-03-01
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