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J Viral Hepat. 2019 Apr 11. doi: 10.1111/jvh.13104. [Epub ahead of print]
Age, race and viral genotype are associated with the prevalence of Hepatitis B e antigen in children and adults with chronic Hepatitis B.
Di Bisceglie AM1, King WC2, Lisker-Melman M3, Khalili M4, Belle SH2, Feld JJ5, Ghany MG6, Janssen HLA5, Lau D7, Lee WM8, Ling SC5, Cooper S9, Rosenthal P4, Schwarz KB10, Sterling RK11, Teckman JH1, Terrault N4; Hepatitis B Research Network (HBRN).
Collaborators (37)
Chung RT, Roberts LR, Hassan MA, Schwarzenberg SJ, Wong DK, Juan J, Yim C, Patel K, Murakami CS, Perrillo R, Do S, Rodriguez-Baez N, Han SB, Tran TT, Cooper SL, Lok AS, Fontana RJ, Tsai N, Younoszai B, Fried MW, Muir A, Evon D, Darling JM, Carithers RC, Shuhart M, Kowdley KV, Wang CC, Murray KF, Luketic VA, Jake Liang T, Hoofnagle JH, Doo E, Chang KM, Park JJ, Wahed A, Cloonan Y, Kleiner D.
Author information
1
Saint Louis University Liver Center, Saint Louis University.
2
Department of Epidemiology, Graduate School of Public Health, University of Pittsburgh.
3
Washington University.
4
University of California at San Francisco.
5
Toronto Centre for Liver Disease, Toronto General Hospital, University of Toronto.
6
Liver Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases.
7
Beth Israel, Deaconess Medical Center.
8
University of Texas, Southwestern Medical Center.
9
California Pacific Medical Center.
10
Johns Hopkins University School of Medicine.
11
Virginia Commonwealth University.
Abstract
Hepatitis B e antigen (HBeAg) is an important serological marker of hepatitis B virus (HBV) infection and is associated with higher levels of viremia, increased risk of infectivity to others and increased risk of hepatocellular carcinoma. We analyzed HBeAg status in a large cohort of adults and children enrolled in Cohort Studies of the Hepatitis B Research Network, long-term natural history studies of chronic HBV infection. A cross sectional analysis examined factors associated with HBeAg positivity, including demographic and virologic data, across the age spectrum. Among 2,241 enrolled participants who met criteria for this analysis, 825 (37%) were seropositive for HBeAg. The prevalence of HBeAg was lower in those with older age, ranging from 85% among up to 10 years of age to only 12% among those older than 50 years. In addition to age, both race and HBV genotype were independently associated with HBeAg positivity. There was a significant interaction between age and race; prevalence of HBeAg was significantly higher among Asians >10-30 years old vs. whites or blacks who were >10 to 30 years old, and those infected with HBV genotype C. Conversely, the presence of the basal core promoter and pre-core variants were associated with significantly lower prevalence of HBeAg, even when adjusted for age, race and genotype. These data will provide a better understanding of factors associated with seropositivity for HBeAg and may lead to better strategies for preventing HBV infection and broader indications for antiviral therapy. This article is protected by copyright. All rights reserved.
This article is protected by copyright. All rights reserved.
KEYWORDS:
e antigen; hepatitis B; natural history
PMID:
30974509
DOI:
10.1111/jvh.13104 |
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