PPBP and myocardial infarction: performed a proteomic analysis for exosomes obtained from the plasma of MI patients.[152] They found an increase in the expression of six exosomal proteins in MI patients, including complement C1q subcomponent subunit A (C1QA), complement C5 (C5), apolipoprotein C‐III (APOCC3), apolipoprotein D (APOD), platelet basic protein (PBP), and platelet glycoprotein Ib alpha chain (GP1BA).[152]