Journal
CANCER TREATMENT REVIEWS
Volume 30, Issue 5, Pages 451-459Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.ctrv.2004.01.001
Keywords
gastric cancer; molecular biology; targeted therapies; prognostic factors
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Both the availability of multiple treatment modalities and novel therapeutic targets make the correct prognostic stratification and the identification of truly predictive factors an issue of major debate in gastric cancer. Along with classic prognostic factors such as those related to the diffusion of the tumour at diagnosis (i.e., depth of gastric wall infiltration, locoregional Lymph nodes or distant metastases) or those concerning the pathologic characteristics of the tumour, other, innovative, factors should be considered if a better definition of the characteristics of the tumour is to be given. These biological factors are often derived from the genetic process, which is thought to represent a crucial step to gastric cancer (DNA copy number changes, microsateltite instability, thymidilate synthase, E-cadherin, P-catenin, mucin antigen, p53, c-erb B-2, COX-2, matrix metalloproteinases, VEGFR and EGFR). Some of those putative prognostic indicators can also be considered predictive of response to therapy as they are a molecular target either to chemotherapeutics (i.e., thymiditate synthase that is targeted by 5FU) or to a new class of antineoplastic molecules (i.e., c-erb B-2 targeted by trastuzumab, COX-2 by NSAIDs, matrix metalloproteinases, EGFR and VEGFR by specific inhibitors). (C) 2004 Elsevier Ltd. All rights reserved.
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