Can kidney regeneration be visualized?

Can kidney regeneration be visualized?
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DOI:
10.1159/000360673
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发表时间:
2014
期刊:
Nephron. Experimental nephrology
影响因子:
--
通讯作者:
Hackl MJ
Hackl MJ
中科院分区:
其他
文献类型:
--
作者:
Peti-Peterdi J;Burford JL;Hackl MJ

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多种细胞类型,包括足细胞和壁上皮细胞(PECs),在肾小球肾病、蛋白尿和肾小球硬化的发生和进展中发挥重要作用。除了在肾脏病理中发挥作用外,肾小球细胞在内源性修复机制中也具有新的功能。更好地了解完整活肾中肾小球环境和细胞组成的动力学对于开发新的肾脏疾病再生治疗策略至关重要。然而,由于缺乏体内研究工具,这一领域的进展受到阻碍。本文综述了多光子荧光显微镜独特的活体成像技术在完整活体肾脏肾小球结构和功能随时间变化动态可视化中的应用。最近,这种成像方法与转基因小鼠模型相结合,可以在体内数天内跟踪单个肾小球细胞的命运,并描述肾小球环境的高度动态性质,特别是在疾病条件下。该技术已准备就绪,可用于未来的活体成像研究,研究动物模型中新的肾小球再生方法。
Various cell types, including podocytes and parietal epithelial cells (PECs), play important roles in the development and progression of glomerular kidney diseases, albuminuria and glomerulosclerosis. Besides their role in renal pathologies, glomerular cells have emerging new functions in endogenous repair mechanisms. Better understanding of the dynamics of the glomerular environment and cellular composition in the intact living kidney is critically important for the development of new regenerative therapeutic strategies for kidney diseases. However, progress in this field has been hampered by the lack of in vivo research tools. This review summarizes the current state-of-the-art in the application of the unique intravital imaging technology of multiphoton fluorescence microscopy for the dynamic visualization of glomerular structure and function over time in the intact, living kidney. Recently, this imaging approach in combination with transgenic mouse models allowed to track the fate of individual glomerular cells in vivo over several days and depicted the highly dynamic nature of the glomerular environment, particularly in disease conditions. The technology is ready and available for future intravital imaging studies investigating new glomerular regenerative approaches in animal models.
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