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Antibody production by in vivo RNA transfection.

Antibody production by in vivo RNA transfection.
Author Information (click to view)

Romani B, Kavyanifard A, Allahbakhshi E,


Romani B, Kavyanifard A, Allahbakhshi E, (click to view)

Romani B, Kavyanifard A, Allahbakhshi E,

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Scientific reports 2017 09 077(1) 10863 doi 10.1038/s41598-017-11399-3
Abstract

Monoclonal antibodies have a variety of applications in research and medicine. Here, we report development of a new method for production of monoclonal antibodies. Our method relies on in vivo RNA transfection rather than peptide vaccination. We took advantage of RNA transcripts complexed with DOTMA and DOPE lipids to transfect mice. Intravenous administration of our RNA vaccine to mice resulted in expression of the antigenic peptides by splenic dendritic cells and detection of the antigens in the serum. The RNA vaccine stimulated production of specific antibodies against the RNA-encoded peptides. We produced monoclonal antibodies against viral, bacterial, and human antigens. In addition, we showed that our RNA vaccine stimulated humoral immunity and rescued mice infected with influenza A virus. Our method could be used as an efficient tool to generate monoclonal antibodies and to stimulate humoral immunity for research and medical purposes.

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