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Age-associated B cells predict impaired humoral immunity after COVID-19 vaccination in patients receiving immune checkpoint blockade.


ABSTRACT: Age-associated B cells (ABC) accumulate with age and in individuals with different immunological disorders, including cancer patients treated with immune checkpoint blockade and those with inborn errors of immunity. Here, we investigate whether ABCs from different conditions are similar and how they impact the longitudinal level of the COVID-19 vaccine response. Single-cell RNA sequencing indicates that ABCs with distinct aetiologies have common transcriptional profiles and can be categorised according to their expression of immune genes, such as the autoimmune regulator (AIRE). Furthermore, higher baseline ABC frequency correlates with decreased levels of antigen-specific memory B cells and reduced neutralising capacity against SARS-CoV-2. ABCs express high levels of the inhibitory FcγRIIB receptor and are distinctive in their ability to bind immune complexes, which could contribute to diminish vaccine responses either directly, or indirectly via enhanced clearance of immune complexed-antigen. Expansion of ABCs may, therefore, serve as a biomarker identifying individuals at risk of suboptimal responses to vaccination.

SUBMITTER: Yam-Puc JC 

PROVIDER: S-EPMC10299999 | biostudies-literature | 2023 Jun

REPOSITORIES: biostudies-literature

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Age-associated B cells predict impaired humoral immunity after COVID-19 vaccination in patients receiving immune checkpoint blockade.

Yam-Puc Juan Carlos JC   Hosseini Zhaleh Z   Horner Emily C EC   Gerber Pehuén Pereyra PP   Beristain-Covarrubias Nonantzin N   Hughes Robert R   Lulla Aleksei A   Rust Maria M   Boston Rebecca R   Ali Magda M   Fischer Katrin K   Simmons-Rosello Edward E   O'Reilly Martin M   Robson Harry H   Booth Lucy H LH   Kahanawita Lakmini L   Correa-Noguera Andrea A   Favara David D   Ceron-Gutierrez Lourdes L   Keller Baerbel B   Craxton Andrew A   Anderson Georgina S F GSF   Sun Xiao-Ming XM   Elmer Anne A   Saunders Caroline C   Bermperi Areti A   Jose Sherly S   Kingston Nathalie N   Mulroney Thomas E TE   Piñon Lucia P G LPG   Chapman Michael A MA   Grigoriadou Sofia S   MacFarlane Marion M   Willis Anne E AE   Patil Kiran R KR   Spencer Sarah S   Staples Emily E   Warnatz Klaus K   Buckland Matthew S MS   Hollfelder Florian F   Hyvönen Marko M   Döffinger Rainer R   Parkinson Christine C   Lear Sara S   Matheson Nicholas J NJ   Thaventhiran James E D JED  

Nature communications 20230627 1


Age-associated B cells (ABC) accumulate with age and in individuals with different immunological disorders, including cancer patients treated with immune checkpoint blockade and those with inborn errors of immunity. Here, we investigate whether ABCs from different conditions are similar and how they impact the longitudinal level of the COVID-19 vaccine response. Single-cell RNA sequencing indicates that ABCs with distinct aetiologies have common transcriptional profiles and can be categorised ac  ...[more]

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