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Rapid and efficacious humoral responses are required for recovery from hemorrhagic fever with renal syndrome

ABSTRACT: Hemorrhagic fever with renal syndrome (HFRS) caused by hantaan virus (HTNV) infection displays variable clinical signs. Humoral responses are important players against HTNV infections, however, this process is poorly understood. Herein, we investigated the phenotype, temporal dynamics, and characteristics of B-cell receptor repertoire (BCR) in a patient cohort with HFRS. The serological proﬁle was characterized by low expression level of NP-speciﬁc antibody in severe cases. Importantly, B-cell subsets were activated and proliferated within the first two weeks of symptom onset, and the moderate cases reacted more rapidly. BCR analysis in the recovery phase revealed immunoglobulin gene diversity had dramatical rise and progressed more significant in the moderate group. The transcription of gene sets related to B-cell was lower, but the inflammatory sets were over-activated in severe cases. These data suggested the clinical signs and diseases recovery in HFRS patients were benefitted from rapid and efficacious humoral responses.

ORGANISM(S): Homo sapiens

PROVIDER: GSE158712 | GEO | 2020/09/30

REPOSITORIES: GEO

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