Article Endothelial activation Inflammation MTT assay NFκB; endothelial cells Tocotrienols alpha tocotrienol antiatherosclerotic activity antiinflammatory activity area under the curve beta tocotrienol capillary endothelial cell cardiovascular agent cell stimulation concentration response controlled study cytokine release delta tocotrienol drug activity drug mechanism drug potency endothelial leukocyte adhesion molecule 1 endothelial nitric oxide synthase gamma tocotrienol gene expression human human cell immunoglobulin enhancer binding protein incubation time intercellular adhesion molecule 1