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Epstein-Barr virus-positive gastric cancer: a distinct molecular subtype of the disease?

Overview of attention for article published in Revista da Sociedade Brasileira de Medicina Tropical, April 2016
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Title
Epstein-Barr virus-positive gastric cancer: a distinct molecular subtype of the disease?
Published in
Revista da Sociedade Brasileira de Medicina Tropical, April 2016
DOI 10.1590/0037-8682-0270-2015
Pubmed ID
Authors

Alexandre Andrade dos Anjos Jácome, Enaldo Melo de Lima, Ana Izabela Kazzi, Gabriela Freitas Chaves, Diego Cavalheiro de Mendonça, Marina Mara Maciel, José Sebastião dos Santos

Abstract

Approximately 90% of the world population is infected by Epstein-Barr virus (EBV). Usually, it infects B lymphocytes, predisposing them to malignant transformation. Infection of epithelial cells occurs rarely, and it is estimated that about to 10% of gastric cancer patients harbor EBV in their malignant cells. Given that gastric cancer is the third leading cause of cancer-related mortality worldwide, with a global annual incidence of over 950,000 cases, EBV-positive gastric cancer is the largest group of EBV-associated malignancies. Based on gene expression profile studies, gastric cancer was recently categorized into four subtypes; EBV-positive, microsatellite unstable, genomically stable and chromosomal instability. Together with previous studies, this report provided a more detailed molecular characterization of gastric cancer, demonstrating that EBV-positive gastric cancer is a distinct molecular subtype of the disease, with unique genetic and epigenetic abnormalities, reflected in a specific phenotype. The recognition of characteristic molecular alterations in gastric cancer allows the identification of molecular pathways involved in cell proliferation and survival, with the potential to identify therapeutic targets. These findings highlight the enormous heterogeneity of gastric cancer, and the complex interplay between genetic and epigenetic alterations in the disease, and provide a roadmap to implementation of genome-guided personalized therapy in gastric cancer. The present review discusses the initial studies describing EBV-positive gastric cancer as a distinct clinical entity, presents recently described genetic and epigenetic alterations, and considers potential therapeutic insights derived from the recognition of this new molecular subtype of gastric adenocarcinoma.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 68 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Brazil 1 1%
Unknown 67 99%

Demographic breakdown

Readers by professional status Count As %
Researcher 11 16%
Student > Ph. D. Student 8 12%
Other 6 9%
Student > Bachelor 6 9%
Student > Master 6 9%
Other 15 22%
Unknown 16 24%
Readers by discipline Count As %
Medicine and Dentistry 19 28%
Biochemistry, Genetics and Molecular Biology 15 22%
Agricultural and Biological Sciences 4 6%
Immunology and Microbiology 4 6%
Pharmacology, Toxicology and Pharmaceutical Science 3 4%
Other 2 3%
Unknown 21 31%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 19 May 2016.
All research outputs
#22,759,802
of 25,374,917 outputs
Outputs from Revista da Sociedade Brasileira de Medicina Tropical
#953
of 1,193 outputs
Outputs of similar age
#271,854
of 314,723 outputs
Outputs of similar age from Revista da Sociedade Brasileira de Medicina Tropical
#9
of 10 outputs
Altmetric has tracked 25,374,917 research outputs across all sources so far. This one is in the 1st percentile – i.e., 1% of other outputs scored the same or lower than it.
So far Altmetric has tracked 1,193 research outputs from this source. They receive a mean Attention Score of 2.9. This one is in the 1st percentile – i.e., 1% of its peers scored the same or lower than it.
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