2022
DOI: 10.1016/j.celrep.2022.110393
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B cell receptor repertoire kinetics after SARS-CoV-2 infection and vaccination

Abstract: B cells are important in immunity to both SARS-CoV-2 infection and vaccination, but B cell receptor (BCR) repertoire development in these contexts has not been compared. We analyse serial samples from 171 SARS-CoV-2-infected individuals and 63 vaccine recipients, and find the global BCR repertoire differs between them. Following infection, IgG1/3 and IgA1 BCRs increase, somatic hypermutation (SHM) decreases and, in severe disease, IgM and IgA clones are expanded. In contrast, after vaccination the proportion o… Show more

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Cited by 33 publications
(47 citation statements)
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“…In addition to this, T cell memory also plays an important role in protection. The way in which these aspects of memory are impacted by different vaccine schedules, and by infection itself 37 , in different ethnic groups, will be important in optimising vaccine strategies.…”
Section: Discussionmentioning
confidence: 99%
“…In addition to this, T cell memory also plays an important role in protection. The way in which these aspects of memory are impacted by different vaccine schedules, and by infection itself 37 , in different ethnic groups, will be important in optimising vaccine strategies.…”
Section: Discussionmentioning
confidence: 99%
“…Mature B cells can react strongly to foreign antigens, resulting in B cell stimulation, clonal expansion, and ultimately, the secretion of high-affinity antibodies in the blood [ 3 ]. During B cell development, single variable (V), diversity (D), and joining (J) genes are selected from multiple distinct copies and imprecisely joined to create a B cell receptor (BCR) [ 4 ].…”
Section: Introductionmentioning
confidence: 99%
“…Global features of the BCR repertoire have been studied by high-throughput bulk RNA sequencing of immunoglobulin heavy chain (IgH) genes [ 5–7 ]. IgH BCR repertoires studies showed different usage of V gene and immunoglobulin isotype switch post several types of COVID-19 vaccination or virus infection in subjects [ 8 ]. The usage of IGHV1-24 was increased in the severely infected group during the early stage, while no similar trend was observed post-BNT162B2 SARS-CoV-2 vaccination [ 8 ].…”
Section: Introductionmentioning
confidence: 99%
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