2022
DOI: 10.1016/j.jtauto.2022.100140
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COVID-19 vaccine and autoimmunity. A new case of autoimmune hepatitis and review of the literature

Abstract: Autoimmunity following COVID-19 vaccination has been reported. Herein, a 79-year-old man with clinical and immunological features of autoimmune hepatitis type 1 after ChAdOx1 nCoV-19 vaccination is presented. Clinical manifestations rapidly remitted after the instauration of immunomodulatory management. This case, together with a comprehensive review of the literature, illustrates the association between COVID-19 vaccines and the development of autoimmune conditions.

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Cited by 47 publications
(44 citation statements)
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“…[ 5 ]. In patients with PCS, a proinflammatory state is evident [ 1 ], suggesting that bystander activation contributes to the emergence of autoimmunity [ 10 ]. In addition, despite the increased risk of death in patients with acute COVID-19 influenced by age, sex, and BMI [ 11 , 12 ], we demonstrate that these factors do not influence the autoimmune response in PCS.…”
Section: Commentarymentioning
confidence: 99%
“…[ 5 ]. In patients with PCS, a proinflammatory state is evident [ 1 ], suggesting that bystander activation contributes to the emergence of autoimmunity [ 10 ]. In addition, despite the increased risk of death in patients with acute COVID-19 influenced by age, sex, and BMI [ 11 , 12 ], we demonstrate that these factors do not influence the autoimmune response in PCS.…”
Section: Commentarymentioning
confidence: 99%
“…COVID-19 vaccines were shown to be effective and spread throughout the world in 2020–2021. However, some case reports described a relationship between COVID-19 vaccines and autoimmune hepatitis [2 16] . There have already been 20 reported cases of autoimmune hepatitis triggered by COVID-19 vaccination (Table 2 ).…”
Section: Discussionmentioning
confidence: 99%
“…Although the COVID-19 vaccine was effective and the number of infections in Japan rapidly decreased, severe adverse effects of the vaccine were reported in global phase III clinical trials [1] . Some case reports have described severe liver injury diagnosed as autoimmune hepatitis after COVID-19 vaccination [2 16] .…”
Section: Introductionmentioning
confidence: 99%
“…Various authors propose that vaccination may not generate new ADs, but rather triggers long-lasting latent autoimmunity ( 6 , 7 ). The strong inflammatory response induced by pattern recognition receptors could act like a relapse trigger of a latent AIH, as shown for other ADs reactivation after SARS-CoV-2 vaccination ( 8 ): this mechanism has been postulated since the early presentation with detectable pathogenic autoantibodies ( 8 ). Other proposed mechanisms are bystander activation and epitope spreading ( 6 ) as well as molecular mimicry ( 7 ).…”
mentioning
confidence: 93%