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2014

Antibodies, Monoclonal

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Full-Text Articles in Life Sciences

Dengue Virus-Specific Human Cd4+ T-Lymphocyte Responses In A Recipient Of An Experimental Live-Attenuated Dengue Virus Type 1 Vaccine: Bulk Culture Proliferation, Clonal Analysis, And Precursor Frequency Determination, Sharone Green, Ichiro Kurane, Robert Edelman, Carol 0. Tacket, Kenneth H. Eckels, David W. Vaughn, Charles H. Hoke, Francis A. Ennis Jan 2014

Dengue Virus-Specific Human Cd4+ T-Lymphocyte Responses In A Recipient Of An Experimental Live-Attenuated Dengue Virus Type 1 Vaccine: Bulk Culture Proliferation, Clonal Analysis, And Precursor Frequency Determination, Sharone Green, Ichiro Kurane, Robert Edelman, Carol 0. Tacket, Kenneth H. Eckels, David W. Vaughn, Charles H. Hoke, Francis A. Ennis

Sharone Green

We analyzed the CD4+ T-lymphocyte responses to dengue, West Nile, and yellow fever viruses 4 months after immunization of a volunteer with an experimental live-attenuated dengue virus type 1 vaccine (DEN-1 45AZ5). We examined bulk culture proliferation to noninfectious antigens, determined the precursor frequency of specific CD4+ T cells by limiting dilution, and established and analyzed CD4+ T-cell clones. Bulk culture proliferation was predominantly dengue virus type 1 specific with a lesser degree of cross-reactive responses to other dengue virus serotypes, West Nile virus, and yellow fever virus. Precursor frequency determination by limiting dilution in the presence of noninfectious dengue ...