Abstract
Background : Recent studies have identified susceptibility genes of HBV clearance, chronic hepatitis B, liver cirrhosis, hepatocellular carcinoma, and showed the host genetic factors play an important role in these HBV-related outcomes.
Results : In order to discover new susceptibility genes for HBV-related outcomes, we conducted a genome-wide association study in 1031 Chinese participants, including 275 HBV clearance subjects, 92 asymptomatic persistence infection carriers (ASPI), 93 chronic hepatitis B patients (CHB), 188 HBV-related decompensated cirrhosis patients (DC), 214 HBV-related hepatocellular carcinoma patients (HCC) and 169 healthy controls (HC). In the case-control study, we observed novel locus significantly associated with CHB (SNP: rs1264473, Gene: GRHL2 , P = 1.57×10 -6 ) and HCC (SNP: rs2833856, Gene: EVA1C , P = 1.62×10 -6 ; SNP: rs4661093, Gene: ETV3 , P = 2.26×10 -6 ). In the trend study across progressive stages post HBV infection, one novel locus (SNP: rs1537862, Gene: LACE1 , P = 1.85×10 -6 ), and three MHC loci ( HLA-DRB1, HLA-DPB1, HLA-DPA2 ) showed significant increased progressive risk from ASPI to CHB. Interestingly, underlying the evolutionary study of HBV-related genes in public database, we found that the derived allele of two HBV clearance related locus, rs3077 and rs9277542, are under strong selection in European population.
Conclusions : In this study, we identified several novel candidate genes associated with individual HBV infectious outcomes, progressive stages, and liver enzymes. Moreover, we identified two SNPs that show selective significance ( HLA-DPA1 , HLA-DPB1 ) in non-East Asian (European, American, South Asian) versus East Asian, indicating that host genetic factors contribute to the ethnic disparities of susceptibility of HBV infection. Taken together, these findings provided a new insight into the role of host genetic factors in HBV related outcomes and progression.
| Original language | American English |
|---|---|
| Article number | 84 |
| Journal | BMC Medical Genomics |
| Volume | 14 |
| DOIs | |
| State | Published - Jan 13 2021 |
Bibliographical note
Publisher Copyright:© 2021, The Author(s).
Funding
This study was supported by the National Natural Science Foundation of China (No. 61972007, No. 30671855), the International Science & Technology Cooperation Program of China (No. 2014DFR31200), Federal funds from the National Cancer Institute, National Institutes of Health, USA (No. N01-CO-12400), Shenzhen Municipal of Government of China (JCYJ20170412153248372, JCYJ20180507183615145). These funding have no conflict of interest. The content of this publication does not necessarily reflect the view of policies of the Department of Health and Human Service, nor does mention of trade name, commercial products or organizations imply endorsement by the U.S. Government. We thank the participants for their involvement in this study. HBV study consortium: Department of Infectious Diseases, Peking University First Hospital, Beijing, China (Zheng Zeng, Yanyan Yu, Xiaoyuan Xu, Haiying Lu); Institute of Liver Diseases Research, Beijing Military General Hospital, Beijing, China (Darong Hu); Beijing Ditan Hospital (Rongbing Wang, Yifan Chen); Department of Surgery, Beijing Institute of Tumor Prevention and Therapy, Beijing, China (Cunyi Hao); Department of Infectious Diseases, Shanxi Medical University, Taiyuan, China (Heping Zhou); Department of Infectious Diseases, Qinhuangdao No. 3 Hospital, Qinhuangdao, China (Zhonghou Han); Department of Surgery, Inner Mongolia Medical College, Hohhot, China (Lidao Bao, Xiping Zhang); Department of Infectious Diseases, Xuzhou No. 3 Hospital, Xuzhou, China (Dasi Guo); Department of Infectious Diseases, Xinjian Medical University, Urumoqi, China (Yaoxin Zhang); Department of Infectious Diseases, the Second Affiliate Hospital of China Medical University, Shenyang, China (Xiaoguang Dou); Institute of Liver Diseases Research, Peking University People’s Hospital, Beijing, China (Lai Wei); Department of Surgery, Peking Union Medical College, Beijing, China (Qiang Qu).
| Funders | Funder number |
|---|---|
| Beijing Ditan Hospital | |
| Beijing Institute of Tumor Prevention and Therapy | |
| Beijing Military General Hospital | |
| Department of Infectious Diseases | |
| Inner Mongolia Medical College | |
| Institute of Liver Diseases Research | |
| Second Affiliate Hospital of China Medical University, Shenyang, China | |
| Shanxi Medical University, Taiyuan, China | |
| Shenzhen Municipal of Government of China | JCYJ20180507183615145, JCYJ20170412153248372 |
| National Institutes of Health | N01-CO-12400 |
| National Institutes of Health | |
| National Cancer Institute | |
| Department of Surgery | |
| Peking University First Hospital | |
| National Natural Science Foundation of China | 61972007, 30671855 |
| National Natural Science Foundation of China | |
| Xinjiang Medical University | |
| Peking University | |
| International Science and Technology Cooperation Programme | 2014DFR31200 |
| International Science and Technology Cooperation Programme |
ASJC Scopus Subject Areas
- Genetics(clinical)
- Genetics
Keywords
- GWAS
- HBV infection
- Host genetic factors
- SNPs
- disease progression
- Disease progression
Disciplines
- Biology
- Genetics and Genomics
- Life Sciences
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