2022
DOI: 10.1016/j.celrep.2022.111613
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The memory B cell response to influenza vaccination is impaired in older persons

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Cited by 27 publications
(12 citation statements)
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“…This may be due to a decline in the survival of long-lived plasma cells with advancing age and is in accordance with the general understanding of decreased survival niches for long-lived plasma cells in the ageing bone marrow 37 . Secondly, this observation is indicative of a diminished memory B cells response, potentially due to the involvement of Age Associated B (AAB) cells 38 , following vaccination in older age groups, as was also previously noted 39,40 . Therefore, booster vaccinations might be needed at older age in order to maintain long-term protection.…”
Section: Discussionsupporting
confidence: 65%
“…This may be due to a decline in the survival of long-lived plasma cells with advancing age and is in accordance with the general understanding of decreased survival niches for long-lived plasma cells in the ageing bone marrow 37 . Secondly, this observation is indicative of a diminished memory B cells response, potentially due to the involvement of Age Associated B (AAB) cells 38 , following vaccination in older age groups, as was also previously noted 39,40 . Therefore, booster vaccinations might be needed at older age in order to maintain long-term protection.…”
Section: Discussionsupporting
confidence: 65%
“…FcRL5+ B cells might exclusively react to membrane-bound antigens ( 53 , 54 ), potentially causing NC-specific FcRL5+ B cells, which respond to soluble antigens, to remain unresponsive and accumulate as FcRL5+ ActBCs in the bloodstream. Recently, FcRL5+ B cells have been depicted as recent GC graduates in one study and ASC precursors in another ( 55 , 56 ), our results suggest that differentiation in ASC and classical MBCs is accompanied by the loss of FcRL5.…”
Section: Discussionsupporting
confidence: 67%
“…39 More importantly these “unconventional B cells” have been involved in influenza vaccine response 40 and their expansion has been directly linked to protective immunity after influenza vaccine in a younger cohort in comparison to an elderly cohort. 66 While increased DN B cells have been reported in other SOT cohorts 64 , we mainly observed an increase in DN B cells at baseline in patients responsive after both dose 2 and 3 of COVID-19 vaccine in our cohort ( Supplementary Figure 6A ). Moreover, activation markers such as CD86 have been reported to be decreased in SOT recipients 63,64 and it is therefore interesting to notice the best vaccine response in patients expressing a higher level of activation markers (CD80 or CD40) on their B cells.…”
Section: Discussioncontrasting
confidence: 42%