Cytokinee are secreted in sepsis in and systemic inflammatory response syndrome (SIRS) by:

ref Harrison 18/e p2223_2225 , Robbins 7/e p202 Cytokines are the peptide mediators or intercellular messangers which regulate immunological, inflammation,reparative host response.they are produced by widely distributed cells like macrophages ,monocytes, lymphocytes, platelets,fibroblast, endothelium,stromal cells etc.. platelets is also the answer