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28.04.2016 | Review | Ausgabe 8/2016

Tumor Biology 8/2016

What gastric cancer proteomic studies show about gastric carcinogenesis?

Zeitschrift:
Tumor Biology > Ausgabe 8/2016
Autoren:
Mariana Ferreira Leal, Fernanda Wisnieski, Carolina de Oliveira Gigek, Leonardo Caires do Santos, Danielle Queiroz Calcagno, Rommel Rodriguez Burbano, Marilia Cardoso Smith

Abstract

Gastric cancer is a complex, heterogeneous, and multistep disease. Over the past decades, several studies have aimed to determine the molecular factors that lead to gastric cancer development and progression. After completing the human genome sequencing, proteomic technologies have presented rapid progress. Differently from the relative static state of genome, the cell proteome is dynamic and changes in pathologic conditions. Proteomic approaches have been used to determine proteome profiles and identify differentially expressed proteins between groups of samples, such as neoplastic and nonneoplastic samples or between samples of different cancer subtypes or stages. Therefore, proteomic technologies are a useful tool toward improving the knowledge of gastric cancer molecular pathogenesis and the understanding of tumor heterogeneity. This review aimed to summarize the proteins or protein families that are frequently identified by using high-throughput screening methods and which thus may have a key role in gastric carcinogenesis. The increased knowledge of gastric carcinogenesis will clearly help in the development of new anticancer treatments. Although the studies are still in their infancy, the reviewed proteins may be useful for gastric cancer diagnosis, prognosis, and patient management.

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