Caffeic acid phenethyl ester alleviates mesenteric ischemia/reperfusion injury
Zafer Teke1, Erdal Birol Bostanci, Cigdem Yenisey
1Department of Gastroenterological Surgery, Turkey Yuksek Ihtisas Teaching and Research Hospital, Ankara, Turkey. zteke md@hotmail.com
Summary
Caffeic acid phenethyl ester (CAPE) significantly reduced intestinal injury from ischemia/reperfusion in rats. CAPE treatment improved outcomes by decreasing inflammation and oxidative stress, suggesting potential therapeutic benefits.
Area of Science:
- Gastroenterology
- Surgical Research
- Pharmacology
Background:
- Intestinal mucosal injury is a significant complication following surgical procedures involving ischemia and reperfusion (IR).
- Superior mesenteric artery occlusion (SMAO) is a common cause of intestinal IR injury, leading to significant morbidity and mortality.
- Current therapeutic strategies for IR-induced intestinal injury remain limited.
Purpose of the Study:
- To investigate the protective effects of caffeic acid phenethyl ester (CAPE) against intestinal mucosal injury induced by superior mesenteric artery occlusion and reperfusion (IR).
- To evaluate the impact of CAPE on oxidative stress, inflammation, and edema in the context of intestinal IR injury.
- To assess the effect of CAPE on animal survival following IR-induced intestinal injury.
Main Methods:
- An experimental model of intestinal IR injury was established in male Wistar-albino rats subjected to 60 minutes of superior mesenteric ischemia followed by 3 hours of reperfusion.
- Rats were randomly assigned to four groups: Sham-operated, Sham + CAPE, Intestinal IR, and IR + CAPE.
- CAPE (10 μmol/kg) was administered intravenously 30 minutes before reperfusion in the treatment groups. Intestinal injury, oxidative stress markers, antioxidant parameters, edema, and plasma cytokine levels were assessed. Survival was monitored for one week.
Main Results:
- CAPE administration significantly reduced intestinal mucosal injury scores and histopathological damage.
- Treatment with CAPE significantly decreased oxidative stress markers and plasma proinflammatory cytokine levels.
- CAPE treatment significantly increased antioxidant parameters in intestinal tissues and alleviated intestinal edema.
- Survival rates were significantly higher in the CAPE-treated IR group compared to the untreated IR group.
Conclusions:
- Caffeic acid phenethyl ester (CAPE) demonstrates significant protective effects against intestinal mucosal injury induced by superior mesenteric ischemia/reperfusion.
- CAPE alleviates IR-induced intestinal injury by mitigating oxidative stress, reducing inflammation, and decreasing edema.
- Further clinical investigations are warranted to explore the therapeutic potential of CAPE in managing reperfusion injury during surgeries where IR-induced organ damage is a concern.

