Aken, B.E. van

activin expression follistatin figure macrophage free-activin binding assay receptor lesion aorta activin receptors hybridization assay activin-a level artery smcs neointimal smcs rnase protection analyses atherogenesi aortic protein artery factor iliaca art binding aortic smcs growth bioactive activin mrna expression neointimal expression levels atherosclerotic neointima free-activin type ii receptors differentiation contractile phenotype media iliaca antibody protection immunohistochemistry specimen actr-i section rnase actin riboprobe phenotype 24 hours atherosclerotic lesions actr-ii actr-ib study atherosclerotic lesion inhibin presence probe bioactive sm 22 actr-iib effect serum tissue foam cell formation activin receptor mrna contractile muscle ouchi y muscle cells incubation growth factor medial smcs vessel wall formation hybridization experiments method induction experiment biotinylated follistatin aortic lesion