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Abstract

Cancer Research

多重环状荧光免疫组化

Published: January 26th, 2024

DOI:

10.3791/66136

1Department of Pathology, The Third Affiliated Hospital of Kunming Medical University & Yunnan Cancer Hospital, 2Department of Gastroenterology, Wu Han NO.1 Hospital, 3Department of Neurosurgery, The Third Affiliated Hospital of Kunming Medical University & Yunnan Cancer Hospital, 4Departments of Biomedical Research Center, The Affiliated Calmette Hospital of Kunming Medical University & The First Hospital of Kunming, 5School of Medical, Yunnan University
* These authors contributed equally

Abstract

肿瘤微环境涉及宿主细胞、肿瘤细胞、免疫细胞、基质细胞和脉管系统之间的相互作用。表征和空间组织免疫细胞亚群和靶蛋白对于预后和治疗目的至关重要。这导致了多重免疫组化染色方法的发展。多重荧光免疫组化可同时检测多种标志物,有助于全面了解细胞功能和细胞间相互作用。在本文中,我们描述了多重环荧光免疫组织化学测定的工作流程及其在淋巴细胞亚群定量分析中的应用。多重荧光免疫组化染色遵循与标准免疫组化类似的步骤和试剂,包括抗原修复、环状抗体孵育和福尔马林固定石蜡包埋 (FFPE) 组织载玻片上的染色。在抗原-抗体反应过程中,制备来自不同物种的抗体混合物。优化和验证抗原回收时间和抗体浓度等条件,以提高信噪比。该技术是可重复的,可作为免疫治疗研究和临床应用的宝贵工具。

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