Frontiers in immunology · 2023
Case Report: Chronic hepatitis E virus Infection in an individual without evidence for immune deficiency.
Клинический случайПоддержка исследования: вне правительства СШАСтатьяНазвание и аннотация: Перевод в очереди
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Ying Dong, Niu Wenxia, Chen Yanling, Wang Yingbin, Tian Weikun, Zhang Xiaoping, Liu Chang, Wang Siling, Chen Zihao, Lin Yajie, Guo Shaoqi, Yu Zihao, Chen Xiuting, Fang Mujin, Qiang Hongsheng, Yin Yifan, Tang Zimin, Zheng Zizheng, Fu Lijuan, Xia Ningshao
Аннотация
Chronic hepatitis E virus (HEV) infection occurs mainly in immunosuppressed populations. We describe an investigation of chronic HEV infection of genotype 3a in an individual without evidence for immune deficiency who presented hepatitis with significant HEV viremia and viral shedding. We monitored HEV RNA in plasma and stools, and assessed anti-HEV specific immune responses. The patient was without apparent immunodeficiency based on quantified results of white blood cell, lymphocyte, neutrophilic granulocyte, CD3+ T cell, CD4+ T cell, and CD8+ T cell counts and CD4/CD8 ratio, as well as total serum IgG, IgM, and IgA, which were in the normal range. Despite HEV specific cellular response and strong humoral immunity being observed, viral shedding persisted up to 109 IU/mL. After treatment with ribavirin combined with interferon, the indicators of liver function in the patient returned to normal, accompanied by complete suppression and clearance of HEV. These results indicate that HEV chronicity can also occur in individuals without evidence of immunodeficiency.