Systematic comparison of respiratory syncytial virus-induced memory B cell responses in two anatomical compartments

Laila Shehata, Wendy F. Wieland-Alter, Daniel P. Maurer, Eunice Chen, Ruth I. Connor, Peter F. Wright and Laura M. Walker ()
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Laila Shehata: Adimab LLC
Wendy F. Wieland-Alter: Geisel School of Medicine at Dartmouth
Daniel P. Maurer: Adimab LLC
Eunice Chen: Geisel School of Medicine at Dartmouth
Ruth I. Connor: Geisel School of Medicine at Dartmouth
Peter F. Wright: Geisel School of Medicine at Dartmouth
Laura M. Walker: Adimab LLC

Nature Communications, 2019, vol. 10, issue 1, 1-9

Abstract: Abstract Respiratory syncytial virus (RSV) is a leading cause of hospitalization in infants and young children. Although it is widely agreed that an RSV vaccine should induce both mucosal and systemic antibody responses, little is known about the B cell response to RSV in mucosa-associated lymphoid tissues. Here, we analyze this response by isolating 806 RSV F-specific antibodies from paired adenoid and peripheral blood samples from 4 young children. Overall, the adenoid-derived antibodies show higher binding affinities and neutralization potencies compared to antibodies isolated from peripheral blood. Approximately 25% of the neutralizing antibodies isolated from adenoids originate from a unique population of IgM+ and/or IgD+ memory B cells that contain a high load of somatic mutations but lack expression of classical memory B cell markers. Altogether, the results provide insight into the local B cell response to RSV and have implications for the development of vaccines that stimulate potent mucosal responses.

Date: 2019
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DOI: 10.1038/s41467-019-09085-1

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