Epidermal Growth Factor Promotes Proliferation and Improves Restoration After Intestinal Ischemia-reperfusion Injury in Rats
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Pathology
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Epidermal growth factor (EGF) is an attractive and promising therapeutic application for intestinal disorders. The current study examined its influence on proliferation and restoration after ischemia-reperfusion (I/R) injury in rat small intestine. Six groups were performed: sham operation (Con); ischemia for 30 min with subsequent reperfusion for 30 min (I/R); I/R injured with 500 μg/kg EGF injected 5 min before ischemia (Pre-l); I/R injured with 50 μg/kg EGF injected 5 min before ischemia (Pre-s); I/R injured with 500 μg/kg EGF injected 5 min after reperfusion (Post-l); and I/R injured with 50 μg/kg EGF injected 5 min after reperfusion (Post-s). Intestinal histological damage, crypt cell proliferation degree, mucosal permeability, tight junction proteins expression, and levels of inflammation factors were studied for each group. Compared with the I/R group, administration of EGF in the Pre-l, Pre-s, and Post-l groups all presented a significant proliferation effect. The levels of FD4, IL-6, and TNF-α were dramatically decreased in all EGF-treated groups. Histological destruction was improved and TJs recovery was notably accelerated in all EGF-treated groups except the Post-s group. D-lactate concentration was only diminished in the Pre-l group. These results suggest that mucosally applied EGF can promote intestinal proliferation and improve restoration after I/R injury. EGF intraluminal administration is an effective treatment against intestinal I/R injury.
Archontakis-Barakakis P, Mavridis T, Chlorogiannis D, Barakakis G, Laou E, Sessler D Clin Transl Med. 2024; 15(1):e70136.
PMID: 39724463 PMC: 11670310. DOI: 10.1002/ctm2.70136.
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