[1]张宪超,张翔,曹棉富,等.肺腺癌肿瘤相关巨噬细胞的免疫组织化学双标染色方法优化[J].第三军医大学学报,2017,39(11):1155-1158.
 Zhang Xianchao,Zhang Xiang,Cao Mianfu,et al.Modification and improvement of immunohistochemical double staining for tumor associated macrophages in lung adenocarcinoma tissues[J].J Third Mil Med Univ,2017,39(11):1155-1158.
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肺腺癌肿瘤相关巨噬细胞的免疫组织化学双标染色方法优化(/HTML )
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《第三军医大学学报》[ISSN:1000-5404/CN:51-1095/R]

卷:
39卷
期数:
2017年第11期
页码:
1155-1158
栏目:
临床医学
出版日期:
2017-06-15

文章信息/Info

Title:
Modification and improvement of immunohistochemical double staining for tumor associated macrophages in lung adenocarcinoma tissues
作者:
张宪超张翔曹棉富陈露党微旗宋康崔有宏张厦卞修武
第三军医大学西南医院全军临床病理学研究所/西南癌症中心
Author(s):
Zhang Xianchao Zhang Xiang Cao Mianfu Chen Lu Dang Weiqi Song Kang Cui Youhong Zhang Xia Bian Xiuwu

Zhang Xianchao, Zhang Xiang, Cao Mianfu, Chen Lu, Dang Weiqi, Song Kang, Cui Youhong, Zhang Xia, Bian Xiuwu

关键词:
免疫组织化学染色辣根过氧化酶碱性磷酸酶肿瘤相关巨噬细胞肺癌
Keywords:
immunohistochemistry horseradish peroxidase alkaline phosphatase tumor associated macrophages lung adenocarcinoma
分类号:
R392.12; R446.8; R734.2
文献标志码:
A
摘要:

目的      通过对现有的免疫组织化学双重标记方法(双标)的改进,探索一种稳定且易于辨认的显色方法,便于在普通光学显微镜下观察肺腺癌组织中肿瘤相关巨噬细胞的分布情况。方法      改进的免疫组织化学双标染色分别使用二抗链接的碱性磷酸酶和辣根过氧化物酶作为底物显色酶,底物分别选用固红(AP-Red)和二氨基联苯胺(DAB),在显微镜下次序控制双标显色,观察肺癌组织中肿瘤相关巨噬细胞的分布情况。结果       免疫组织化学双重标记中第一标记AP-Red的红色与第二标记DAB的棕黄色反差大,背景低,易于分辨。两种颜色标记的同一部位呈现砖红色,易于表示双标部位。统计显示在肺腺癌组织标本中,以M2型肿瘤相关巨噬细胞为主,约占80%。结论      改进后的显色系统建立了简便、可靠的免疫组织化学双重标记新方法。标记结果可以清晰稳定显示肿瘤相关巨噬细胞在肺腺癌组织中分布情况,便于进一步研究其在肺癌发生、发展中的作用。

Abstract:

Objective      To explore a stable and easy-to-identify color developing method by modifying immunohistochemical double-staining (D-IHC) so as to investigate the distribution of tumor associated macrophages (TAMs) in lung adenocarcinoma tissue. Methods      Although as the same as the traditional double-enzyme methods which used the enzyme-conjugated secondary antibody to respectively link alkaline phosphatase (ALP) and horseradish peroxidase (HRP) as catalyze chromogenic substrates, AP-Red and diaminobenzidine (DAB) were chosen instead of 5-Bromo-4-Chloro-3-Indolyl Phosphate (BCIP/NBT) and 3-Amino-9-ethylcarbazole (AEC) as chromogenic substrates. The distribution of TAMs in lung cancer tissues was observed under the microscope after the double staining were controlled in order. Results     As the image was highly contrast and easily distinguishable with low background under a light microscope, Fast Red (first labeling) and DAB (second labeling) were suitable for application in D-IHC. In addition, these 2 kinds of color labeling were merged as brick red at the same position, which was recognizable under a light microscope. The statistical results revealed that M2 type of TAMs were priority (accounting for 80%) in the lung adenocarcinoma tissue samples.  Conclusion      The modified method is simple and reliable with stable labeling results, and will be useful in the exploration of lung adenocarcinoma and other biomedical research.

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更新日期/Last Update: 2017-06-08