Journal
WORLD JOURNAL OF GASTROENTEROLOGY
Volume 23, Issue 5, Pages 876-884Publisher
BAISHIDENG PUBLISHING GROUP INC
DOI: 10.3748/wjg.v23.i5.876
Keywords
Familial generation; Sex; Hepatitis B virus; Perinatal infection; Viral replication
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Funding
- Chang Gung Memorial Hospital [CMRPG3C0701]
- National Science Council [NSC101-2314-B-182A-025-MY3]
- China Medical University [CMU103-N-15]
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AIM To explore factors associated with persistent hepatitis B virus (HBV) infection in a cohort of hepatocellular carcinoma (HCC)-affected families and then investigate factors that correlate with individual viral load among hepatitis B surface antigen (HBsAg)-positive relatives. METHODS questionnaire. Demographics, relationship to index case, HBsAg status of mothers and index cases were evaluated for association with the HBV persistent infection or viral load by generalized estimating equation analysis. RESULTS Among 729 relatives enrolled, parent generation (P = 0.0076), index generation (P = 0.0044), mothers positive for HBsAg (P = 0.0007), and HBsAg-positive index cases (P = 5.98 x 10(-8)) were associated with persistent HBV infection. Factors associated with HBV viral load were evaluated among 303 HBsAg-positive relatives. Parent generation (P = 0.0359) and sex (P = 0.0007) were independent factors associated with HBV viral load. The intra-family HBV viral load was evaluated in families clustered with HBsAg-positive siblings. An intra-family trend of similar HBV viral load was found for 27 of 46 (58.7%) families. Male offspring of HBsAg-positive mothers (P = 0.024) and older siblings were associated with high viral load. CONCLUSION Sex and generation play important roles on HBV viral load. Maternal birth age and nutritional changes could be the reasons of viral load difference between generations.
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