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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-42847

Arbogast, S; Behnke, S; Opitz, I; Stahel, R A; Seifert, B; Weder, W; Moch, H; Soltermann, A (2011). Automated ERCC1 Immunohistochemistry in Non-small Cell Lung Cancer: Comparison of anti-ERCC1 Antibodies 8F1, D-10, and FL-297. Applied Immunohistochemistry & Molecular Morphology, 19(2):99-105.

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INTRODUCTION: The excision repair cross-complementation group 1 (ERCC1) protein is the key enzyme of the nucleotide excision repair (NER) pathway and thus a potential predictor for platinum-based chemotherapy response. We aimed for evaluating different anti-ERCC1 antibodies on formalin-fixed tumor tissue of non-small cell lung cancer patients by automated immunohistochemistry (IHC). METHODS: ERCC1 protein expression was assessed on a tissue microarray of 491 NSCLC's using 2 monoclonal mouse (Mab 8F1, Mab D-10) and 1 polyclonal rabbit (Rab FL-297) antibody. Two automated IHC platforms with different detection systems and immunofluorescence were used. Protein expression levels were independently scored by 2 pathologists for both intensity and intensity multiplied by percentage of positive cells (H-score). RESULTS: On both platforms, the 8F1 ab showed best nuclear staining quality. D-10 had additional unspecific background at the plasma membrane and in goblet cells. FL-297 could not be scored owing to high cytoplasmic background. Both 8F1 and D-10 antibodies produced a speckled granular pattern over the whole nuclear compartment. No intranuclear compartmentalization was observed, apart from omission of the nucleolus. Interobserver κ value was good to very good for 8F1 and D-10. Using 8F1, low ERCC1 was correlated with the adenocarcinoma histotype, increased tumor size and clinical stage, high pT and pN category and the presence of metastasis. No relation to progression-free or overall survival was observed. CONCLUSIONS: In terms of staining quality and restriction to the nuclear compartment, the antibody 8F1 is superior to D-10 or FL-297 on automated IHC platforms.


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Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > University Hospital Zurich > Institute of Surgical Pathology
04 Faculty of Medicine > Epidemiology, Biostatistics and Prevention Institute (EBPI)
04 Faculty of Medicine > University Hospital Zurich > Clinic for Oncology
04 Faculty of Medicine > University Hospital Zurich > Clinic for Thoracic Surgery
Dewey Decimal Classification:610 Medicine & health
Deposited On:01 Feb 2011 09:34
Last Modified:05 Apr 2016 14:37
Publisher:Lippincott Wiliams & Wilkins
Publisher DOI:10.1097/PAI.0b013e3181f1feeb
PubMed ID:21030862

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