Biologically active antibodies elicited by a synthetic circumsporozoite peptide of Plasmodium knowlesi administered in saline with a muramyl dipeptide derivative.


A synthetic peptide whose sequence was derived from the circumsporozoite protein of Plasmodium knowlesi coupled to bovine gamma globulin has been shown to be immunogenic when administered with Freund complete adjuvant. The present experiments were designed to test the immunogenicity of the peptide when attached to a tetanus toxoid carrier and administered… (More)


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