纤维母细胞生长因子受体及其配体在成年大鼠肾脏。

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坎希拉B,戴维斯,Cauchi是的,Risbridger GP,伯特伦摩根富林明

纤维母细胞生长因子受体及其配体在成年大鼠肾脏。

肾脏Int。2001年7月,60 (1):147 - 55。

PubMed ID
11422746 (在PubMed
]
文摘

背景:纤维母细胞生长因子(fgf)是一个家庭至少21 heparin-binding蛋白质参与许多生理过程,在开发和成人,包括细胞增殖、分化、和血管生成。fgf调解的影响通过高亲和性受体酪氨酸激酶(FGFRs),由四个编码基因。本研究的目的是通过FGFR-3本地化FGFR-1在正常成年大鼠肾脏和确定哪些功能FGFR变异和fgf表达。方法:Avidin-biotin-enhanced辣根过氧化物酶免疫组织化学是用于石蜡的部分大鼠肾脏通过FGFR-3本地化FGFR-1,而反向transcriptase-polymerase连锁反应被用来检查表达的受体变异也通过FGF-10 FGF-1皮质,髓质外,内在的髓质。结果:通过免疫组织化学,每个受体本地化和重叠的肾元段截然不同,这样,一个或多个FGFRs局部肾单位和集合管上皮细胞。FGFR-1和FGFR-3本地化肾小球,FGFR-3四肢近端小管和FGFR-1薄。FGFR-1通过FGFR-3局部连续远端小管,远曲小管和FGFR-1 FGFR-3本地化。FGFR-1和FGFR-3局部髓收集管道。此外,FGFR-1局部肾动脉的平滑肌。七FGFR变体都表达在皮质和髓质外,用更少的FGFRs在内心的髓质。 FGF-1, FGF-2, FGF-7, FGF-8, and FGF-9 were expressed in the kidney, with FGF-10 expression found only in the cortex. CONCLUSIONS: Mapping of these receptors is critical to the determination of the effects of FGF ligands in discrete regions of the kidney. The distributions of the FGFRs in the normal adult kidney and the restricted expression of FGF ligands suggest that specific FGFs have distinct and important roles in the maintenance of normal kidney structure and function.

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