1D5 and 6F11 - An immunohistochemical comparison of two monoclonal antibodies for the evaluation of estrogen receptor status in primary breast carcinoma

被引:22
作者
Kaplan, PA [1 ]
Frazier, SR [1 ]
Loy, TS [1 ]
Diaz-Arias, AA [1 ]
Bradley, K [1 ]
Bickel, JT [1 ]
机构
[1] Univ Missouri, Sch Med, Dept Pathol & Anatom Sci, Columbia, MO USA
关键词
1D5; 6F11; monoclonal antibodies; estrogen receptors; immunohistochemistry; breast cancer; paraffin-embedded tissue; comparative study;
D O I
10.1309/V39VT104LBFB1GTP
中图分类号
R36 [病理学];
学科分类号
100104 ;
摘要
The optimal monoclonal antibody to examine steroid hormone receptor status of primary breast carcinoma has yet to be defined. Estrogen receptor status was evaluated in 592 cases using routinely prepared paraffin-embedded tissue samples from primary breast carcinomas with the 1D5 (DAKO, Carpinteria, CA) and 6F11 (Novocastra, Newcastle upon Tyne, England) monoclonal antibodies. The stains were compared, assessing the percentage of positive cells stained and their intensity. They also were examined for nonspecific cytoplasmic staining and fixation artifact. In addition, a cost analysis for their production was performed. Overall, 1D5 and 6F11 showed a 97.5% concordance rate. 6F11 stained a significantly higher percentage of cells (P < .0001), more intensely (P < .0001), with less nonspecific cytoplasmic staining (P < .0001). There was no significant difference in fixation artifact between the 2 clones. The cost of antibody used for preparing a ID5-stained slide was 86% more than for preparing a 6F11-stained slide ($14.27 vs $7.67).
引用
收藏
页码:276 / 280
页数:5
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