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Abstract

Immunology and Infection

观察活胰腺组织切片中的胰岛功能和胰岛-免疫细胞相互作用

Published: April 12th, 2021

DOI:

10.3791/62207

1Department of Pathology, Immunology, and Laboratory Medicine, University of Florida, 2Paul Langerhans Institute Dresden (PLID) of the Helmholtz Zentrum München at the University Clinic Carl Gustav Carus of Technische Universität Dresden, 3Institute of Physiology, Faculty of Medicine, Technische Universität Dresden, 4German Center for Diabetes Research (DZD), 5J. Crayton Pruitt Family Department of Biomedical Engineering, University of Florida

Abstract

活的胰腺组织切片允许在完整的胰岛微环境中研究胰岛的生理学和功能。切片由嵌入琼脂糖中的活人和小鼠胰腺组织制备,并使用振动切片机切割。这种方法允许组织保持活力和功能,除了保留潜在的病理,如1型(T1D)和2型糖尿病(T2D)。切片方法通过维持构成胰腺内分泌和外分泌组织的复杂结构和各种细胞间相互作用,为胰腺的研究提供了新的方向。该协议展示了如何对胰腺切片内的活内源性免疫细胞进行染色和延时显微镜检查,以及胰岛生理学评估。此外,可以使用主要的组织相容性复合物多聚体试剂来改进这种方法,以识别胰岛细胞抗原特异性的免疫细胞群。

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