The association between the comprehensive Epstein-Barr Virus serologic profile and endemic Burkitt lymphoma

Coghill, Anna, Proietti, Carla, Liu, Zhiwei, Krause, Lutz, Bethony, Jeff, Prokunina-Olsson, Ludmila, Obajemu, Adeola, Nkrumah, Francis, Biggar, Robert J., Bhatia, Kishor, Hildesheim, Allan, Doolan, Denise L., and Mbulaiteye, Sam M. (2020) The association between the comprehensive Epstein-Barr Virus serologic profile and endemic Burkitt lymphoma. Cancer Epidemiology, Biomarkers & Prevention, 29 (1). pp. 57-62.

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Background: The discovery of Epstein-Barr virus (EBV) in Burkitt lymphoma tumors represented the first link between a virus and cancer in humans, but the underlying role of this virus in endemic Burkitt lymphoma remains unclear. Nearly all children in Burkitt lymphoma-endemic areas are seropositive for EBV, but only a small percentage develop disease. Variation in EBV-directed immunity could be an explanatory cofactor.

Methods: We examined serum from 150 Burkitt lymphoma cases and 150 controls using a protein microarray that measured IgG and IgA anti-bodies against 202 sequences across the entire EBV proteome. Variation in the EBV-directed antibody repertoire between Burkitt lymphoma cases and controls was assessed using unpaired t tests. ORs quantifying the association between anti-EBV IgG response tertiles and Burkitt lymphoma status were adjusted for age, sex, and study year.

Results: Thirty-three anti-EBV IgG responses were elevated in Burkitt lymphoma cases compared with controls (P <= 0.0003). Burkitt lymphoma-associated IgG elevations were strongest for EBV proteins involved in viral replication and antiapoptotic signaling. Specifically, we observed ORs >= 4 for BMRF1 (early antigen), BBLF1 (tegument protein), BHRF1 (Bcl-2 homolog), BZLF1 (Zebra), BILF2 (glycoprotein), BLRF2 [viral capsid antigen (VCA)p23], BDLF4, and BFRF3 (VCAp18). Adjustment for malaria exposure and inheritance of the sickle cell variant did not alter associations.

Conclusions: Our data suggest that the anti-EBV serologic profile in patients with Burkitt lymphoma is altered, with strong elevations in 33 of the measured anti-EBV IgG antibodies relative to disease-free children.

Impact: The Burkitt lymphoma-specific signature included EBV-based markers relevant for viral replication and antiapoptotic activity, providing clues for future Burkitt lymphoma pathogenesis research.

Item ID: 62833
Item Type: Article (Research - C1)
ISSN: 1538-7755
Copyright Information: © 2019 American Association for Cancer Research.
Funders: National Health and Medical Research Council of Australia (NHMRC), National Cancer Institute (NCI), National Institutes of Health (NIH)
Date Deposited: 15 Apr 2020 07:45
FoR Codes: 32 BIOMEDICAL AND CLINICAL SCIENCES > 3207 Medical microbiology > 320705 Medical virology @ 50%
32 BIOMEDICAL AND CLINICAL SCIENCES > 3204 Immunology > 320405 Humoural immunology and immunochemistry @ 50%
SEO Codes: 20 HEALTH > 2001 Clinical health > 200101 Diagnosis of human diseases and conditions @ 100%
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