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Aberrant Epstein-Barr virus antibody patterns and chronic lymphocytic leukemia in a Spanish multicentric case-control study

Overview of attention for article published in Infectious Agents and Cancer, February 2015
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Title
Aberrant Epstein-Barr virus antibody patterns and chronic lymphocytic leukemia in a Spanish multicentric case-control study
Published in
Infectious Agents and Cancer, February 2015
DOI 10.1186/1750-9378-10-5
Pubmed ID
Authors

Delphine Casabonne, Yolanda Benavente, Claudia Robles, Laura Costas, Esther Alonso, Eva Gonzalez-Barca, Adonina Tardón, Trinidad Dierssen-Sotos, Eva Gimeno Vázquez, Marta Aymerich, Elias Campo, Gemma Castaño-Vinyals, Nuria Aragones, Marina Pollan, Manolis Kogevinas, Hedy Juwana, Jaap Middeldorp, Silvia de Sanjose

Abstract

Epstein-Barr virus (EBV)-related malignancies harbour distinct serological responses to EBV antigens. We hypothesized that EBV serological patterns can be useful to identify different stages of chronic lymphocytic leukemia. Information on 150 cases with chronic lymphocytic leukemia and 157 frequency-matched (by age, sex and region) population-based controls from a Spanish multicentre case-control study was obtained. EBV immunoglobulin G serostatus was evaluated through a peptide-based ELISA and further by immunoblot analysis to EBV early antigens (EA), nuclear antigen (EBNA1), VCA-p18, VCA-p40 and Zebra. Two independent individuals categorized the serological patterns of the western blot analysis. Patients with very high response and diversity in EBV-specific polypeptides, in particular with clear responses to EA-associated proteins, were categorized as having an abnormal reactive pattern (ab_EBV). Adjusted odds ratios (OR) and 95% confidence interval (CI) were estimated using logistic regression models. Almost all subjects were EBV-IgG positive (>95% of cases and controls) whereas ab_EBV patterns were detected in 23% of cases (N = 34) and 11% of controls (N = 17; OR: 2.44, 95% CI, 1.29 to 4.62; P = 0.006), particularly in intermediate/high risk patients. Although based on small numbers, the association was modified by smoking with a gradual reduction of ab_EBV-related OR for all Rai stages from never smokers to current smokers. Highly distinct EBV antibody diversity patterns revealed by immunoblot analysis were detected in cases compared to controls, detectable at very early stages of the disease and particularly among non smokers. This study provides further evidence of an abnormal immunological response against EBV in patients with chronic lymphocytic leukemia.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 22 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Spain 1 5%
Unknown 21 95%

Demographic breakdown

Readers by professional status Count As %
Researcher 8 36%
Other 2 9%
Student > Master 2 9%
Student > Doctoral Student 1 5%
Professor 1 5%
Other 3 14%
Unknown 5 23%
Readers by discipline Count As %
Medicine and Dentistry 9 41%
Business, Management and Accounting 2 9%
Biochemistry, Genetics and Molecular Biology 2 9%
Computer Science 2 9%
Agricultural and Biological Sciences 1 5%
Other 0 0%
Unknown 6 27%
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 09 February 2015.
All research outputs
#15,321,186
of 22,787,797 outputs
Outputs from Infectious Agents and Cancer
#252
of 516 outputs
Outputs of similar age
#211,954
of 355,637 outputs
Outputs of similar age from Infectious Agents and Cancer
#2
of 8 outputs
Altmetric has tracked 22,787,797 research outputs across all sources so far. This one is in the 22nd percentile – i.e., 22% of other outputs scored the same or lower than it.
So far Altmetric has tracked 516 research outputs from this source. They typically receive a little more attention than average, with a mean Attention Score of 7.4. This one is in the 42nd percentile – i.e., 42% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 355,637 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 31st percentile – i.e., 31% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 8 others from the same source and published within six weeks on either side of this one. This one has scored higher than 6 of them.