Fluctuations of Epstein-Barr Virus Serological Antibodies and Risk for Nasopharyngeal Carcinoma: A Prospective Screening Study with a 20-Year Follow-Up
2011

Fluctuations of Epstein-Barr Virus Antibodies and Nasopharyngeal Carcinoma Risk

Sample size: 18986 publication 10 minutes Evidence: high

Author Information

Author(s): Cao Su-Mei, Liu Zhiwei, Jia Wei-Hua, Huang Qi-Hong, Liu Qing, Guo Xiang, Huang Teng-Bo, Ye Weimin, Hong Ming-Huang

Primary Institution: State Key Laboratory of Oncology in Southern China, Sun Yat-sen University, Guangzhou, China

Hypothesis

The study aims to analyze the fluctuations of antibodies against Epstein-Barr virus (EBV) before histopathological diagnosis to assess the risk of nasopharyngeal carcinoma (NPC).

Conclusion

Elevated EBV antibodies, particularly with ascending titers, are strongly associated with an increased risk for nasopharyngeal carcinoma.

Supporting Evidence

  • 125 cases of NPC occurred during an average of 16.9 years of follow-up.
  • Serological levels of VCA/IgA and EA/IgA were significantly associated with increased risks for NPC.
  • Relative risk was highest among participants with ascending titers of EBV VCA/IgA antibodies.

Takeaway

This study found that higher levels of certain antibodies can mean a higher chance of getting a type of throat cancer called nasopharyngeal carcinoma.

Methodology

The study used a population-based screening program with serological tests for EBV antibodies and followed participants for 20 years.

Potential Biases

Potential confounding effects from unmeasured environmental risk factors.

Limitations

The study lacked information on other environmental risk factors and was conducted in a high-risk area, which may limit generalizability.

Participant Demographics

Participants were Cantonese residents of Sihui County, aged 30-59, with no prior history of NPC.

Statistical Information

P-Value

p<0.05

Confidence Interval

95% CI 7.1 to 64.1

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0019100

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