Journal
CLINICA CHIMICA ACTA
Volume 448, Issue -, Pages 124-132Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.cca.2015.07.001
Keywords
Gastric cancer; Epigenetics; Gene methylation; Biomarkers; Clinical utility
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Funding
- National Natural Science Foundation of China [81171969, 81272933, 81372217]
- Fundamental Research Funds for the Central Universities
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Although gastric cancer (GC) is highly prevalent in China and is a leading cause of cancer-related death, major advances in early diagnostic and effective therapeutic strategies have not been made. GC patients are usually diagnosed at an advanced stage and the prognosis is still poor. Over the years, many efforts have been done on exploring the pathology of GC. In particular, genome-wide analysis tools have been widely used in the detection of genetic and epigenetic alterations in GC. For example, many tumor suppressor genes have been found to be aberrantly hypermethylated in GCs, and some even in gastric precancerous lesions, suggesting a role of this molecular event in early gastric tumorigenesis. In addition, accumulating evidences have demonstrated that some hypermethylated genes can be used as potential biomarkers for detection and diagnosis of GC in biopsy specimens and non-invasive body fluids. These exciting advances provide unprecedented opportunities for the development of molecular-based novel diagnostic, prognostic, and therapeutic strategies for GC. Here, we reviewed recent findings on the promoter hypermethylation of tumor suppressor genes in GC and aimed to provide better understanding of the contribution of this epigenetic event to gastric tumorigenesis. (C) 2015 Elsevier B.V. All rights reserved.
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