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Novel Epidermal Growth Factor Receptor Mutation-Specific Antibodies for Non-small Cell Lung Cancer: Immunohistochemistry as a Possible Screening Method.

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Presentation on theme: "Novel Epidermal Growth Factor Receptor Mutation-Specific Antibodies for Non-small Cell Lung Cancer: Immunohistochemistry as a Possible Screening Method."— Presentation transcript:

1 Novel Epidermal Growth Factor Receptor Mutation-Specific Antibodies for Non-small Cell Lung Cancer: Immunohistochemistry as a Possible Screening Method for Epidermal Growth Factor Receptor Mutations  Yasufumi Kato, MD, PhD, Nir Peled, MD, PhD, Murry W. Wynes, PhD, Koichi Yoshida, MD, PhD, Marta Pardo, MD, Celine Mascaux, MD, PhD, Tatsuo Ohira, MD, PhD, Masahiro Tsuboi, MD, PhD, Jun Matsubayashi, MD, PhD, Toshitaka Nagao, MD, PhD, Norihiko Ikeda, MD, PhD, Fred R. Hirsch, MD, PhD  Journal of Thoracic Oncology  Volume 5, Issue 10, Pages (October 2010) DOI: /JTO.0b013e3181e9da60 Copyright © 2010 International Association for the Study of Lung Cancer Terms and Conditions

2 FIGURE 1 Representative images of epidermal growth factor receptor expression by immunohistochemical staining (40× magnification). A, DNA sequence E746–A750 deletion specimen stained with the E746–A750-specific antibody. Immunoreactivity is positive in the tumor cells but absent in nontumor cells. B, DNA sequence L858R point mutation case. The tumor cells show no immunoreactivity with the E746–A750-specific antibody. C, L858R point mutation tumor showing tumor cells positive for L858R-specific antibody. D, E746–A750 mutation case displaying no immunoreactivity in the tumor or nontumor cells with the L858R-specific antibody. Journal of Thoracic Oncology 2010 5, DOI: ( /JTO.0b013e3181e9da60) Copyright © 2010 International Association for the Study of Lung Cancer Terms and Conditions

3 FIGURE 2 Overall survival (A) and progression-free survival (B) based on dual mutation-specific immunohistochemistry staining for E746–A750 and L858R. Journal of Thoracic Oncology 2010 5, DOI: ( /JTO.0b013e3181e9da60) Copyright © 2010 International Association for the Study of Lung Cancer Terms and Conditions


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