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image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao International Journa...arrow_drop_down
image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
International Journal of Colorectal Disease
Article . 2012 . Peer-reviewed
License: Springer TDM
Data sources: Crossref
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FAK, CD44v6, c-Met and EGFR in colorectal cancer parameters: tumour progression, metastasis, patient survival and receptor crosstalk

Authors: Adamantia Zizi-Sermpetzoglou; Alkiviadis Kostakis; Athanasios G. Papavassiliou; Alexandros Garouniatis; Nikolaos Nikiteas; Spyros Rizos;

FAK, CD44v6, c-Met and EGFR in colorectal cancer parameters: tumour progression, metastasis, patient survival and receptor crosstalk

Abstract

Research for reliable and patient-specific markers in colorectal cancer (CRC) is based on solid evidence that staging alone is not informative enough. Employing four cellular receptors, we embarked to identify aggressive tumour behaviour and impact of surrogate marker expression on patient prognosis.One-hundred eighty-three CRC patients were enrolled in our investigation that focused on an array of biological markers, namely epidermal growth factor receptor (EGFR), c-Met, focal adhesion kinase (FAK) and CD44v6. Tissue samples, clinicopathological data and patient's follow-up information were collected, and immunohistochemical assays evaluated the levels of the aforementioned molecules. All available data were correlated with tumour grade, stage, patient age, gender and survival.Expression of all receptors correlated closely with tumour stage (P < 0.01) exhibiting a connection with cancer's invasiveness and progress. Survival also proved to depend significantly on molecular expression (log-rank test for Kaplan-Meier; EGFR P = 0.030, c-Met P = 0.050, FAK P < 0.001, CD44v6 P < 0.001). Stage, FAK and CD44v6 emerged as independent predictors of survival in a stepwise regression analysis (FAK P = 0.001 Exp(B) = 2.517, 95 % confidence interval (CI) = 1.704-5.831 and CD44v6 P = 0.005, Exp(B) = 2.299, 95 % CI = 1.287-4.110). T-stage, nodal metastasis, all metastatic types (N/M) and size correlated with at least one of the receptors or their co-expression. Notably, increased staining for each receptor was followed by statistically significant expression elevation of at least one of the other markers.Our results suggest that the selected cellular receptors are suitable for use as biomarkers of survival and tumour progression in CRC. Furthermore, we provide additional evidence for receptor interaction, properly clarifying their importance, which could potentially lead to more effective anti-CRC regimens.

Keywords

Adult, Aged, 80 and over, Male, Adenocarcinoma, Middle Aged, Proto-Oncogene Proteins c-met, Immunohistochemistry, ErbB Receptors, Hyaluronan Receptors, Focal Adhesion Kinase 1, Biomarkers, Tumor, Disease Progression, Humans, Female, Neoplasm Grading, Neoplasm Metastasis, Colorectal Neoplasms, Aged, Follow-Up Studies, Neoplasm Staging

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    citations
    This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    62
    popularity
    This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
    Top 10%
    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    Top 10%
    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
    Top 10%
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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
62
Top 10%
Top 10%
Top 10%
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