New Window Into Hepatitis B in Africa: Liver Sampling Combined With Single-Cell Omics Enables Deep and Longitudinal Assessment of Intrahepatic Immunity in Zambia
JOURNAL OF INFECTIOUS DISEASES(2024)
摘要
In Lusaka, Zambia, we introduced liver fine-needle aspiration biopsy (FNAB) into a research cohort of adults with treatment-naive chronic hepatitis B virus (HBV) infection, with and without human immunodeficiency virus (HIV) coinfection, as well as with acute HBV infection. From 117 enrollment and 47 longitudinal FNABs (at 1-year follow-up), we established participant acceptability and safety. We also demonstrated the quality of the material through single-cell RNA sequencing of selected enrollment FNAs, which revealed a range of immune cells. This approach can drive new insights into HBV immunology, informing cure strategies, and can improve our understanding of HBV natural history in Africa. Liver fine-needle aspiration biopsy, analyzed via single-cell RNA sequencing, proved safe and acceptable, including when performed longitudinally, among participants in an HBV cohort in Zambia, offering a promising method to study HBV immunopathogenesis, including in low- and middle-income countries.
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关键词
hepatitis B virus,Africa,liver fine-needle aspiration biopsy,single-cell RNA sequencing,human immunodeficiency virus
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