Immunogenic peptide conjugate and method for inducing an anti-influenza therapeutic antibody response therewith
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United States of America Patent
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May 16, 2017
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Mar 14, 2013
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Mar 14, 2013
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Abstract
Immunogenic influenza hemagglutinin-derived peptide conjugates described herein induce a specific therapeutic antibody response against influenza virus. The immunogenic peptide conjugates comprise a segment from the fusion initiation region (FIR) domain of an influenza hemagglutinin protein conjugated to an immunogenic carrier protein, such as keyhole limpet hemocyanin (KLH), bovine serum albumin (BSA), an influenza hemagglutinin (HA) protein (i.e., full length HA), and the like. The immunogenic peptide conjugates described herein can be utilized to treat or prevent influenza infection and to prepare influenza-specific therapeutic antibodies that interfere with influenza virus-host cell membrane fusion. The peptide conjugates can be formulated in pharmaceutical compositions useful for broad spectrum treatment or prevention of influenza infections.
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