Figure 1.

The effect of carbon monoxide (CO) on the survival rate in the rat model of sepsis induced by cecal ligation and puncture (CLP). Rats from each study group (n=10) were assessed to determine the 7-day survival rate. The Kaplan-Meier survival curves are shown. Male Sprague-Dawley rats (n=120) were divided into six study groups: the sham group; the CLP group; the hemin group (treated with ferric chloride and heme); the zinc protoporphyrin IX (ZnPPIX) group; the CO-releasing molecule 2 (CORM-2) group; and the inactive CORM-2 (iCORM-2) group. FD-4 – fluorescein isothiocyanate-labeled dextran 3000~4000 KDa; CLP – cecal ligation and puncture; CORM-2 – CO-releasing molecule 2; Hemin – ferric chloride heme; ZnPPIX – zinc protoporphyrin IX; iCORM-2 – inactive CORM-2.