PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9247706-3 1997 In this work, we have demonstrated that CKII and polycationic compounds such as polylysine, spermine, and spermidine synergistically stimulate thrombin-induced gelation of the fibrinogen. Spermidine 106-116 coagulation factor II, thrombin Homo sapiens 143-151