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EXPANDING THE T CELL REPERTOIRE TO INCLUDE SUBDOMINANT EPITOPES BY VACCINATION WITH ANTIGENS DELIVERED AS PROTEIN FRAGMENTS OR PEPTIDE COCKTAILS
EXPANDING THE T CELL REPERTOIRE TO INCLUDE SUBDOMINANT EPITOPES BY VACCINATION WITH ANTIGENS DELIVERED AS PROTEIN FRAGMENTS OR PEPTIDE COCKTAILS
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机译:通过接种作为蛋白质片段或肽肽交付的抗原,扩大T细胞库,使其包含亚抗原表位
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摘要
A convenient way of inducing a broad recognition of dominant and subdominant responses to epitopes of any given antigen of importance for prophylaxis or treatment of a chronic disease is provided. The method involves immunizing with pools of overlapping fragments (synthetic peptides, e.g., 10-30 mers with 2-20 aa overlap) of the desired antigen in appropriate adjuvants. The T cell repertoire is primed to include not only the immunodominant epitope recognized when the intact molecule is used for immunization and induced by the chronic infection itself, but induce a much broader and balanced response to a number of the subdominant epitopes as well. The vaccination with peptide mix induces a T-cell response that includes response to subdominant epitopes is important for protection against chronic disease that on their own induces a response focused only on immunodominant epitopes.
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