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接种 COVID-19 疫苗后的自身免疫性肝炎。

Autoimmune hepatitis after COVID-19 vaccination.

机构信息

Department of Liver Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College (CAMS & PUMC), Beijing, China.

出版信息

Front Immunol. 2022 Nov 25;13:1035073. doi: 10.3389/fimmu.2022.1035073. eCollection 2022.

Abstract

Vaccination is one of the most vigorous ways to intervene in the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pandemic. Cases of autoimmune hepatitis (AIH) after coronavirus disease (COVID-19) vaccination have been increasingly reported. Twenty-seven cases of AIH are summarized in this study, providing emerging evidence of autoimmune reactions in response to various COVID-19 vaccines, including in patients with special disease backgrounds such as primary sclerosing cholangitis (PSC), liver transplantation, and previous hepatitis C virus (HCV) treatment. Molecular mimicry, adjuvants, epitope spreading, bystander activation, X chromosome, and sceptical hepatotropism of SARS-CoV-2 may account for, to some extent, such autoimmune phenomena. Immunosuppressive corticosteroids perform well with or without azathioprine in such post-COVID-19-vaccination AIH. However, determination of the exact mechanism and establishment of causality require further confirmation.

摘要

接种疫苗是干预严重急性呼吸综合征冠状病毒 2(SARS-CoV-2)大流行最有力的方法之一。越来越多的报道称,接种冠状病毒病(COVID-19)疫苗后会出现自身免疫性肝炎(AIH)病例。本研究总结了 27 例 AIH 病例,为各种 COVID-19 疫苗引起的自身免疫反应提供了新的证据,包括原发性硬化性胆管炎(PSC)、肝移植和先前丙型肝炎病毒(HCV)治疗等特殊疾病背景的患者。分子模拟、佐剂、表位扩展、旁观者激活、X 染色体和 SARS-CoV-2 的可疑嗜肝性可能在一定程度上解释了这种自身免疫现象。免疫抑制性皮质类固醇在 COVID-19 疫苗接种后 AIH 中联合或不联合硫唑嘌呤均有良好疗效。然而,确切的机制和因果关系的确立需要进一步的证实。

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