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DOI: 10.3791/66566-v
Yun Zhu Bai1, Yuriko Terada1, Katsutaka Mineura1, Yuhei Yokoyama1, Ruben G. Nava1, Alexander S. Krupnick2, Andrew E. Gelman1, Mark J. Miller3, Daniel Kreisel1, Wenjun Li1
1Division of Cardiothoracic Surgery,Washington University in St. Louis, 2Division of Thoracic Surgery,University of Maryland, 3Division of Infectious Diseases,Washington University in St. Louis
Please note that some of the translations on this page are AI generated. Click here for the English version.
在这里,我们提出了一种使用双光子显微镜对移植的小鼠左肺进行活体内成像的方案。这是实时研究小鼠肺移植后细胞动力学和相互作用的宝贵工具。
我们研究的目标是了解缺血再灌注损伤以及肺移植后炎症和耐受性反应的免疫机制。我们想研究供体细胞和受体细胞之间的动态相互作用。我们目前利用多种手术和成像技术来研究小鼠的肺移植免疫学。
这些检查包括原位左肺移植和再移植、左肺门夹闭、无创正电子发射断层扫描和双光子活体显像。我们的研究揭示了移植肺中独特的免疫反应。使用先进的成像技术,我们发现受体单核细胞通过 IL-1 β 促进肺同种异体移植物中的中性粒细胞浸润。
我们还发现 FOXP3 调节性 T 细胞聚集在这些同种异体移植物中,并防止抗体介导的排斥反应。我们的技术易于设置,使用显微镜实验室中很容易找到的材料,例如组织胶和盖玻片。此外,与其他技术相比,它提供了更大的视野。
我们的实验室对了解诱导和维持肺同种异体移植物耐受性的机制感兴趣。活体成像将使我们能够可视化免疫细胞在排斥和耐受过程中的相互作用。
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