IMMUNOLOGY / RESEARCH PAPER
Oxymatrine blocked mother-to-child transmission of hepatitis B virus by modulating autophagy in trophoblast cells
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1
Zhejiang Provincial People’s Hospital, China
2
Zhejiang Chinese Medical University, China
These authors had equal contribution to this work
Submission date: 2025-01-24
Final revision date: 2025-05-24
Acceptance date: 2025-07-12
Online publication date: 2025-08-23
Corresponding author
Zijian Xv
Zhejiang Chinese Medical University, China
KEYWORDS
TOPICS
ABSTRACT
Introduction:
Mother-to-child transmission is a significant pathway for chronic carriers of the hepatitis B virus (HBV) in China. In this study, we aimed to investigate the role and mechanism of Oxymatrine (OMT) in preventing mother-to-child transmission of HBV.
Material and methods:
To simulate MTCT, we utilized the HBV-infected human trophoblast cell line HTR-8/SVneo, which serves as a relevant model for studying HBV transmission at the maternal-fetal interface. The replication capacity of HBV in these cells was quantified using enzyme-linked immunosorbent assay (ELISA) and real-time fluorescence polymerase chain reaction (PCR). The expression levels of key autophagy markers were assessed using Western blotting, providing insights into the autophagy-related mechanisms potentially involved. Additionally, the Cell Counting Kit-8 (CCK-8) assay was employed to measure the proliferation of trophoblast cells under different treatment conditions.
Results:
We found that OMT inhibited HBV DNA replication in HBV-infected trophoblast cells. Additionally, OMT suppressed the proliferation and autophagy in HBV-infected trophoblast cells. This suggested that OMT might effectively block mother-to-child transmission of HBV. Mechanistically, OMT appears to prevent mother-to-child transmission of HBV by inhibiting the EGFR/Akt pathway.
Conclusions:
OMT inhibited HBV transmission by regulating the EGFR/Akt pathway, and this study may provide new ideas and methods for the prevention of mother-to-child transmission of HBV infection during pregnancy.
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