Advances in Clinical and Experimental Medicine

Title abbreviation: Adv Clin Exp Med
JCR Impact Factor (IF) – 2.1
5-Year Impact Factor – 2.2
Scopus CiteScore – 3.4 (CiteScore Tracker 3.4)
Index Copernicus  – 161.11; MEiN – 140 pts

ISSN 1899–5276 (print)
ISSN 2451-2680 (online)
Periodicity – monthly

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Advances in Clinical and Experimental Medicine

2015, vol. 24, nr 2, March-April, p. 213–218

doi: 10.17219/acem/40453

Publication type: original article

Language: English

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Effects of Oleuropein on Serum Inflammatory Cytokines and Histopathological Changes in Rats with Pancreatitis

Kasim Caglayan1,A,B,C,D,F, Bülent Güngör2,A,C,E, Hamza Cinar2,C,D, Bahattin Avci3,B,C, Sebnem Gur4,B,C, Nilden Arslan5,B,C

1 Department of General Surgery, Bozok University Faculty of Medicine, Yozgat, Turkey

2 Department of General Surgery, Ondokuz Mayis University Faculty of Medicine, Samsun, Turkey

3 Department of Biochemistry, Ondokuz Mayis University Faculty of Medicine, Samsun, Turkey

4 Department of Pathology, Ondokuz Mayis University Faculty of Medicine, Samsun, Turkey

5 Department of Public Health, Ondokuz Mayis University Faculty of Medicine, Samsun, Turkey

Abstract

Objectives. Acute pancreatitis is a severe debilitating disease with high morbidity and mortality. The severity of the disease is largely due to the actions of various inflammatory mediators. No specific therapy is indicated for AP and its treatment remains largely supportive. This study investigated the effect of oleuropein on serum inflammatory cytokines and distant organ injury in rats with acute pancreatitis induced by bile-pancreatic duct obstruction.
Material and Methods. Thirty adult male Wistar rats were randomly assigned to 3 groups of 10 rats each: group I: sham, group II: pancreatitis and group III: pancreatitis + oleuropein. Rats in Group III received oleuropein 20 mg/kg intragastrically during 10 days before surgery. The rats were sacrificed at 24 h after surgery and venous blood, pancreatic and lung tissue samples were obtained for analysis.
Results. A statistically significant difference was found between groups regarding serum amylase, LDH, lipase, pancreatic amylase, IL-6, IL-10 and TNF-α values with a Kruskal-Wallis test (p < 0.05). No statistically significant difference was found between Group II and III regarding pairwise comparison of amylase, LDH, lipase, pancreatic amylase, IL-6, IL-10 and TNF-α value by using pairwise comparisons with a Mann-Whitney U test (p > 0.01). A statistically significant difference between groups was found regarding edema, inflammation, hemorrhage and acinar cell necrosis in histopathological examination of the pancreas (p < 0.05). No difference was found between group II and III (p > 0.01). A difference was found between the groups in terms of lung tissue edema (p < 0.05) but no difference was found regarding hemorrhage and inflammation (p > 0.05). No statistically significant difference was found between group II and III with pairwise comparison (p > 0.01).
Conclusion. The experimental model used in this study showed to be appropriate for creation of acute pancreatitis. It was concluded that oleuropein as a prophylactic treatment has no protective effect on serum proinflammatory and anti-inflammatory cytokines as well as pancreatic tissue.

Key words

acute pancreatitis, oleuropein, cytokines, pancreatic damage.

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