Detection of human serum amyloid A protein in very low density – and high density lipoproteins of patients after acute myocardial infarction

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Abstract
Two acute‐phase proteins have been identified in very low density (VLDL)‐ and high density lipoproteins (HDL) of patients after acute myocardial infarction. Both proteins have a relative molecular weight of 11 000 and isoelectric points pI 6.08 and 6.27, and do not contain cysteine or sugar residues. Polyclonal antibodies to these acute phase reactants did not cross‐react with other serum apolipoproteins. Evidence is given that both proteins are polymorphic forms of the human serum amyloid A protein.