Subacute thyroiditis (SAT) can be triggered by several viral factors in genetically predisposed individuals. In the case of COVID-19, SAT can be induced by SARS-CoV-2 infection as well as COVID-19 vaccination. The aim of this study was to present two cases of SAT triggered by mRNA-based COVID-19 vaccines, with special attention paid to the possible significance of HLA-related SAT susceptibility. In our patients, a strong similarity of HLA profiles with regard not only to SAT high-risk alleles but also to other SAT-unrelated ones was observed. The rare phenomenon of SAT occurrence after COVID-19 vaccination can be HLA-dependent and related to a co-presence of HLA-B*35:03 and -C*04:01 . Taking into account the similarity of HLA profiles in both our patients, the co-presence of other alleles, such as HLA-A*03:01 , -DQA1:01 , DQB1*05:01 as well as some of HLA-DRB1 , can also play a role. This hypothesis is strongly consistent with autoimmune/inflammatory syndrome induced by adjuvants (ASIA) being the postulated mechanism of this post-vaccine reaction, as ASIA-related immune reactions are directly associated with HLA-based genetic susceptibility. Further research is necessary to confirm these findings.
【저자키워드】 SARS-CoV-2, COVID-19 vaccine, HLA, Subacute thyroiditis, 【초록키워드】 COVID-19, SARS-COV-2 infection, susceptibility, alleles, COVID-19 vaccines, COVID-19 vaccination, Research, genetic susceptibility, adjuvant, Thyroiditis, patients, mechanism, Hypothesis, similarity, Subacute, Factor, profile, syndrome, allele, HLA-DRB1, immune reaction, Post-vaccine, Occurrence, triggered, individuals, Taking, mRNA-based, SAT, 【제목키워드】 COVID-19, Subacute, Significance,