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Tytuł pozycji:

Comparing the Primary and Recall Immune Response Induced by a New EV71 Vaccine Using Systems Biology Approaches.

Tytuł:
Comparing the Primary and Recall Immune Response Induced by a New EV71 Vaccine Using Systems Biology Approaches.
Autorzy:
Shao, Jie
Zhang, Junnan
Wu, Xing
Mao, Qunying
Chen, Pan
Zhu, Fengcai
Xu, Miao
Kong, Wei
Liang, Zhenglun
Wang, Junzhi
Temat:
VIRAL vaccines
IMMUNE response
SYSTEMS biology
CLINICAL trials
DRUG efficacy
Źródło:
PLoS ONE; 10/14/2015, Vol. 10 Issue 10, p1-14, 14p
Terminy geograficzne:
CHINA
Czasopismo naukowe
Three inactivated EV71 whole-virus vaccines have completed Phase III clinical trials in mainland China, with high efficacy, satisfactory safety, and sustained immunogenicity. However, the molecular mechanisms how this new vaccine elicit potent immune response remain poorly understood. To characterize the primary and recall responses to EV71 vaccines, PBMC from 19 recipients before and after vaccination with EV71 vaccine are collected and their gene expression signatures after stimulation with EV71 antigen were compared. The results showed that primary and recall response to EV71 antigen have both activated an IRF7 regulating type I interferon and antiviral immune response network. However, up-regulated genes involved in T cell activation regulated by IRF1, inflammatory response, B-cell activation and humoral immune response were only observed in recall response. The specific secretion of IL-10 in primary response and IL-2,IP-10,CCL14a, CCL21 in recall response was consistent with the activation of immune response process found in genes. Furthermore, the expression of MX1 and secretion of IP-10 in recall response were strongly correlated with NTAb level at 180d after vaccination (r = 0.81 and 0.99). In summary, inflammatory response, adaptive immune response and a stronger antiviral response were indentified in recall response. [ABSTRACT FROM AUTHOR]
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