Hsp70 Fused with the Envelope Glycoprotein E0 of Classical Swine Fever Virus Enhances Immune Responses in Balb/c Mice / 病毒学报
Chinese Journal of Virology
;
(6): 363-369, 2015.
Article
in Chinese
| WPRIM
| ID: wpr-296275
ABSTRACT
Heat-shock protein (Hsp) 70 potentiates specific immune responses to some antigenic peptides fused to it. Here, the prokaryotic plasmids harboring the envelope glycoprotein E0 gene of classical swine fever virus (CSFV) and/or the Hsp70 gene of Haemophilus parasuis were constructed and expressed in Escherichia coli Rosseta 2(R2). The fusion proteins were then purified. Groups of Balb/c mice were immunized with these fusion proteins, respectively, and sera collected 7 days after the third immunization. Immune effects were determined via an enzyme-linked immunosorbent assay and flow cytometric analyses. E0-Hsp70 fusion protein and E0+Hsp70 mixture significantly improved the titer of E-specific antibody, levels of CD4+ and CD8+ T cells, and release of interferon-γ. These findings suggested that Hsp70 can significantly enhance the immune effects of the envelope glycoprotein E0 of CSFV, thereby laying the foundation of further application in pigs.
Full text:
Available
Index:
WPRIM (Western Pacific)
Main subject:
Plasmids
/
Blood
/
Recombinant Fusion Proteins
/
CD4-Positive T-Lymphocytes
/
Viral Envelope Proteins
/
Immunization
/
Interferon-gamma
/
HSP70 Heat-Shock Proteins
/
CD8-Positive T-Lymphocytes
/
Cell Biology
Limits:
Animals
Language:
Chinese
Journal:
Chinese Journal of Virology
Year:
2015
Type:
Article
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