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1.433100 湖北 潜江,潜江市中心医院病理科
2.362801 福建 泉州,福建省泉州市泉港区医院病理科
3.350005 福州,福建医科大学附属第一医院病理科
[陈林莺,电话:(0591)87981650,E-mail: chenly2006@126.comCHEN Linying, Tel: 86-591-87981650, E-mail:chenly2006@126.com
收稿:2019-12-02,
修回:2020-03-10,
纸质出版:2020-05-30
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黎三艳, 郑眉嵩, 陈余鹏, 等. 孕激素抗体EP2、SP2、1E2、16在非特殊型浸润性乳腺癌的表达差异[J]. 第三军医大学学报, 2020,42(10):1042-1046.
Sanyan LI, Meisong ZHENG, Yupeng CHEN, et al. Differences in the expression of 4 progesterone receptor antibodies EP2, SP2, 1E2, and 16 in non-specific invasive breast cancers[J]. Journal of Third Military Medical University, 2020, 42(10): 1042-1046.
黎三艳, 郑眉嵩, 陈余鹏, 等. 孕激素抗体EP2、SP2、1E2、16在非特殊型浸润性乳腺癌的表达差异[J]. 第三军医大学学报, 2020,42(10):1042-1046. DOI: 10.16016/j.1000-5404.201912016.
Sanyan LI, Meisong ZHENG, Yupeng CHEN, et al. Differences in the expression of 4 progesterone receptor antibodies EP2, SP2, 1E2, and 16 in non-specific invasive breast cancers[J]. Journal of Third Military Medical University, 2020, 42(10): 1042-1046. DOI: 10.16016/j.1000-5404.201912016.
目的
2
评估4种孕激素(progesterone receptor,PR)抗体(EP2、SP2、1E2、16)在非特殊型浸润性乳腺癌(non-specific invasive breast cancers
NSIBCs)组织中的表达,为PR判读及NSIBCs患者治疗筛选出最佳抗体。
方法
2
采用免疫组化法检测195例NSIBCs组织芯片中4种PR抗体的表达情况,分析比较与雌激素(estrogen receptor,ER)抗体表达构成比、着色细胞百分比、染色强度、Allred score(A-score)评分及4个抗体一致性等指标。
结果
2
195例NSIBCs中4种PR抗体与ER的构成比(ER±/PR±)之间差异无统计学意义(
P
>
0.05)。不考虑ER表达,4种PR抗体同时阳性或阴性(PR+/-)NSIBCs比例较高(81.54%~90.77%),且相互的一致性较好(κ值为0.634~0.804)。进一步分析4种PR抗体的肿瘤细胞平均着色细胞数、平均阳性细胞百分比评分、平均染色强度、平均A-score等指标,显示1E2各项指标明显高于其他3种抗体(
P
<
0.05),而EP2、SP2、16三者之间差异无统计学意义(
P
>
0.05)。
结论
2
NSIBCs中1E2着色阳性率及强度等均高于EP2、SP2、RP16,是较理想的PR抗体。
Objective
2
To detect the expression of 4 progesterone receptor (PR) antibodies (EP2
SP2
1E2
and 16) in non-specific invasive breast cancer (NSIBCs) and identify the optimal antibody for PR analysis and treatment planning for NSIBCs.
Methods
2
Immunohistochemistry was used to detect the expression of the 4 PR antibodies in a tissue microarray consisting of 195 tissue specimens of NSIBCs
and their constituent ratios with the expression of estrogen receptor (ER)
the percentages of stained cells
staining intensity
Allred score (A-score) and consistency were compared.
Results
2
The constituent ratios of the 4 PR antibodies with ER (ER±/PR±) did not differ significantly in the 195 cases of NSIBCs (
P
>
0.05). Regardless of the status of ER expression
the cases showed high rates of positivity or negativity for all the 4 PR antibodies at the same time (81.54%~90.77%) with good consistencies among the 4 antibodies (κ=0.634~0.804). Further analysis of the average number of stained cells
percentage of positive cells
staining intensity
and A-score of the 4 PR antibodies showed that all these indicators were significantly higher for 1E2 than for EP2
SP2
and 16 (
P
<
0.05)
and were not significantly differ
ent among the latter 3 antibodies (
P
>
0.05).
Conclusion
2
1E2 has a higher positivity rate and expression intensity in NSIBCs than EP2
SP2 and RP16
and thus can serve as an ideal PR antibody for clinical pathology tests.
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