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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Zhou, Yan Zhai, Yongzhen Li, Ximei Feng, Guohe |
| Description | Author Affiliation: Zhai Y ( Department of Infectious Diseases, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110004, P.R. China.); Zhou Y ( Department of Infectious Diseases, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110004, P.R. China.); Li X ( Department of Infectious Diseases, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110004, P.R. China.); Feng G ( Department of Infectious Diseases, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110004, P.R. China.) |
| Abstract | Plasmid-encoded granulocyte-macrophage colony-stimulating factor (GMCSF) is an adjuvant for genetic vaccines; however, how GM-CSF enhances immunogenicity remains to be elucidated. In the present study, it was demonstrated that injection of a plasmid encoding the premembrane (prM) and envelope (E) protein of Japanese encephalitis virus and mouse GM-CSF (pJME/GM-CSF) into mouse muscle recruited large and multifocal conglomerates of macrophages and granulocytes, predominantly neutrophils. During the peak of the infiltration, an appreciable number of immature dendritic cells (DCs) appeared, although no T and B-cells was detected. pJME/GM-CSF increased the number of splenic DCs and the expression of major histocompatibility complex class II (MHCII) on splenic DC, and enhanced the antigenic capture, processing and presentation functions of splenic DCs, and the cell-mediated immunity induced by the vaccine. These findings suggested that the immune-enhancing effect by pJME/GM-CSF was associated with infiltrate size and the appearance of integrin x (CD11c)+cells. Chitosan-pJME/GM-CSF nanoparticles, prepared by coacervation via intramuscular injection, outperformed standard pJME/GM-CSF administrations in DC recruitment, antigen processing and presentation, and vaccine enhancement. This revealed that muscular injection of chitosanpJME/GM-CSF nanoparticles may enhance the immunoadjuvant properties of GM-CSF. |
| ISSN | 17912997 |
| e-ISSN | 17913004 |
| DOI | 10.3892/mmr.2015.3419 |
| Journal | Molecular Medicine Reports |
| Issue Number | 1 |
| Volume Number | 12 |
| Language | English |
| Publisher | Spandidos Publications |
| Publisher Date | 2015-07-01 |
| Publisher Place | Greece |
| Access Restriction | Open |
| Subject Keyword | Encephalitis, Japanese Prevention & Control Granulocyte-macrophage Colony-stimulating Factor Administration & Dosage Plasmids Vaccines, Dna Immunology Viral Envelope Proteins Viral Vaccines Adjuvants, Immunologic Chemistry Animals Antigens, Cd11c Genetics Cell Movement Drug Effects Chitosan Dendritic Cells Virology Encephalitis Virus, Japanese Gene Expression Histocompatibility Antigens Class Ii Injections, Intramuscular Macrophages Mice Mice, Inbred Balb C Muscle, Skeletal Nanoparticles Neutrophils Spleen Research Support, Non-u.s. Gov't Discipline Molecular Biology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Genetics Biochemistry Molecular Biology Cancer Research Molecular Medicine Oncology |
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