Different T-cell and B-cell repertoire elicited by the SARS-CoV-2 inactivated vaccine and S1 subunit vaccine in rhesus macaques

Multiple types of SARS-CoV-2 vaccines have been used worldwide, but summarizing their immunologic efficacy post-vaccination remains challenging. The BCR and TCR sequencing based on single-cell sorting makes it possible to evaluate the vaccine-induced immune responses of B or T cells. In this study,...

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Bibliographic Details
Main Authors: Li Qin, Yuanyuan Zuo, Shuying Liu, Bingxiang Li, Hongye Wang, Heng Li, Jing Li, Yanli Chen, Ming Sun, Huiwen Zheng
Format: Article
Language:English
Published: Taylor & Francis Group 2022-11-01
Series:Human Vaccines & Immunotherapeutics
Subjects:
Online Access:http://dx.doi.org/10.1080/21645515.2022.2118477
Description
Summary:Multiple types of SARS-CoV-2 vaccines have been used worldwide, but summarizing their immunologic efficacy post-vaccination remains challenging. The BCR and TCR sequencing based on single-cell sorting makes it possible to evaluate the vaccine-induced immune responses of B or T cells. In this study, we compared the repertoire diversities of B cells and T cells between a whole-virus inactivated vaccine and an S1 protein subunit vaccine in rhesus macaques. We found that the inactivated vaccine could induce a large antigen-specific-BCR repertoire with longer VH CDR3 (21 aa), while the CD3+ TCR α chains of the two vaccine groups showed a similar TCRV/J usage frequency. Detailed analysis of the TCR and BCR repertoires might be of interest for further understanding of the mechanisms of vaccine-induced immune responses.
ISSN:2164-5515
2164-554X