期刊
HEPATOLOGY
卷 68, 期 3, 页码 839-847出版社
WILEY
DOI: 10.1002/hep.29872
关键词
-
资金
- Foundation for Liver Research, Rotterdam, The Netherlands
- F. Hoffmann-La Roche Ltd., Basel, Switzerland
- F. Hoffmann-La Roche Ltd. (Basel, Switzerland)
- Bristol-Myers Squibb (BMS
- New York, NY)
- Virgo consortium
- Dutch government [FES0908]
- Netherlands Genomics Initiative (NGI) [050-060-452]
Hepatitis B virus (HBV) RNA in serum is a novel biomarker for intrahepatic HBV replication and treatment response. For its proper use, it is essential to identify factors influencing serum HBV RNA level. Using a rapid amplification of complimentary DNA (cDNA) ends (RACE) PCR technique (lower limit of detection [LLD], 800 copies/mL [c/mL]), serum HBV RNA levels were measured in samples of 488 untreated individuals with chronic HBV infection who were eligible to treatment according to currently used recommendations. We explored the association of serum levels of HBV RNA with patient- and virus-associated factors. HBV genotype distribution was 21/10/20/46/3% for A/B/C/D/other. Mean HBV RNA serum level was 5.9 (1.6) log(10) c/mL (hepatitis B e antigen [HBeAg]-positive chronic hepatitis B [CHB], 6.5 [1.2] log c/mL; HBeAg-negative CHB, 4.1 [1.2] log c/mL; P < 0.001). By multivariable linear regression, factors associated with lower HBV RNA level were HBeAg negativity ( = -0.69; P < 0.001), HBV genotypes A ( = -0.13; P = 0.002), B ( = -0.07; P = 0.049), and C ( = -0.61; P < 0.001) in comparison to D, and presence of HBV basal core promoter mutation either alone ( = -0.14; P = 0.001) or in combination with precore mutation ( = -0.22; P < 0.001). Higher serum alanine aminotransferase (ALT) was associated with higher HBV RNA ( = 0.23; P < 0.001). HBV RNA correlated strongly with HBV DNA (HBeAg-pos, r = 0.72; P < 0.001; HBeAg-neg, r = 0.78; P < 0.001) and moderately with quantitative hepatitis B surface antigen (qHBsAg; HBeAg-pos, r = 0.54; P < 0.001; HBeAg-neg, r = 0.19; P = 0.04) and quantitative hepatitis B surface antigen (qHBeAg; r = 0.41; P < 0.001). Conclusion: In this multiethnic cohort of 488 untreated individuals with CHB, factors associated with serum HBV RNA level were HBeAg status, serum ALT, HBV genotype, and presence of basal core promotor mutations. For the future use of serum HBV RNA as a clinical marker, it seems mandatory to take these factors into consideration. (Hepatology 2018).
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