analysis of the protein composition of gray platelets by single or two-dimensional sds-page followed by coomassie blue staining revealed an apparent absence of gp ig ( thrombospondin ) , markedly reduced platelet fibrinogen and albumin concentrations , and severely reduced levels of 2 low molecular weight polypeptides exhibiting identical rates of migration on sds-page as platelet factor 4 and beta-thromboglobulin .
C0076560
thrombospondin
C0005821
platelet