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Archives of Iranian Medicine. 2013; 16 (2): 83-87
in English | IMEMR | ID: emr-140305

ABSTRACT

Severe acute pancreatitis [SAP] is a serious systemic disease with high mortality. This study aims to investigate the role of the chemokine, fractalkine [FKN], in the pathogenesis of SAP and the effects of intervention by ulinastatin on FKN expression in an SAP rat model. We randomly divided 72 Sprague Dawley rats into the following groups: SAP, ulinastatin treatment [UT], and control [C]. The SAP model was induced by retrograde infusion of 4% sodium taurocholate into the bili-pancreatic ducts of the rats. Rats in the UT group were injected with ulinastatin immediately after establishment of the SAP model. Serum FKN levels were detected by ELISA at various time points. Histopathological analyses of the pancreas and lung were performed. Expressions of FKN mRNA in the tissues of the pancreas and lung were detected by real-time ??uorescence quantitative polymerase chain reaction [RT-qPCR] at various time points for each group. Serum levels of FKN at 3 h after surgery in the SAP subgroup were significantly higher than those in the C group [P < 0.05]. There were no significant differences between the UT and C groups observed at various time points. Expression levels of FKN mRNA in the pancreatic tissues of the SAP group increased gradually. Although we observed no difference between the SAP and C groups [P > 0.05] at 1 hour h after surgery, mRNA levels of FKN in the lung tissues at 3, 6, and 12 h post-surgery in the SAP subgroups were significantly higher than those in the C group for the same time points [P < 0.05]. Pathological injury of the pancreatic tissues was more remarkable in the SAP group compared to the UT group. FKN may play an important role in the pathogenesis of SAP and SAP-related acute lung injury [ALI]. Ulinastatin ef??ciently interferes with SAP and SAP-related ALI and may be related to inhibition of FKN expression


Subject(s)
Male , Animals, Laboratory , Chemokines , Chemokine CX3CL1 , Glycoproteins , Rats, Sprague-Dawley , Taurocholic Acid , Gene Expression
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