Prospective evaluation of the relevance of Epstein–Barr virus antibodies for early detection of nasopharyngeal carcinoma in Chinese adults,International Journal of Epidemiology

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Prospective evaluation of the relevance of Epstein–Barr virus antibodies for early detection of nasopharyngeal carcinoma in Chinese adults
International Journal of Epidemiology ( IF 6.4 ) Pub Date : 2024-07-15 , DOI: 10.1093/ije/dyae098
Ling Yang ₁ , Christiana Kartsonaki ₁ , Julia Simon ₂ , Pang Yao ₁ , Yu Guo ₃ , Jun Lv _{4,

5} , Robin G Walters ₁ , Yiping Chen ₁ , Hannah Fry ₁ , Daniel Avery ₁ , Canqing Yu _{4,

5} , Jianrong Jin ₆ , Alexander J Mentzer ₇ , Naomi Allen ₁ , Julia Butt ₂ , Michael Hill ₁ , Liming Li _{4,

5} , Iona Y Millwood ₁ , Tim Waterboer ₂ , Zhengming Chen ₁

Affiliation

Background Epstein–Barr virus (EBV) is a major cause of nasopharyngeal carcinoma (NPC) and measurement of different EBV antibodies in blood may improve early detection of NPC. Prospective studies can help assess the roles of different EBV antibodies in predicting NPC risk over time. Methods A case-cohort study within the prospective China Kadoorie Biobank of 512 715 adults from 10 (including two NPC endemic) areas included 295 incident NPC cases and 745 subcohort participants. A multiplex serology assay was used to quantify IgA and IgG antibodies against 16 EBV antigens in stored baseline plasma samples. Cox regression was used to estimate adjusted hazard ratios (HRs) for NPC and C-statistics to assess the discriminatory ability of EBV-markers, including two previously identified EBV-marker combinations, for predicting NPC. Results Sero-positivity for 15 out of 16 EBV-markers was significantly associated with higher NPC risk. Both IgA and IgG antibodies against the same three EBV-markers showed the most extreme HRs, i.e. BGLF2 (IgA: 124.2 (95% CI: 63.3–243.9); IgG: 8.6 (5.5–13.5); LF2: [67.8 (30.0–153.1), 10.9 (7.2–16.4)]); and BFRF1: 26.1 (10.1–67.5), 6.1 (2.7–13.6). Use of a two-marker (i.e. LF2/BGLF2 IgG) and a four-marker (i.e. LF2/BGLF2 IgG and LF2/EA-D IgA) combinations yielded C-statistics of 0.85 and 0.84, respectively, which persisted for at least 5 years after sample collection in both endemic and non-endemic areas. Conclusions In Chinese adults, plasma EBV markers strongly predict NPC occurrence many years before clinical diagnosis. LF2 and BGLF2 IgG could identify NPC high-risk individuals to improve NPC early detection in community and clinical settings.

更新日期：2024-07-15

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