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The diagnosis value of triggering receptor expressed on myeloid cells-1 in early liver damage of severe acute pancreatitis with secondary infection / 中华消化杂志
Chinese Journal of Digestion ; (12): 330-334, 2011.
Article in Chinese | WPRIM | ID: wpr-415773
ABSTRACT
Objective To explore the diagnosis value and the mechanism of triggering receptor expressed on myeloid cells-1 (TREM-1) in early liver damage of severe acute pancreatitis with secondary infection. Methods Twenty-four male SD rats were randomly divided into the control group, the severe acute pancreatitis (SAP) group and the secondary infection of SAP (SISAP) group.The animal model was established by intraperitoneal injection of L- arginine and E. coli. After 24 hours, the serum levels of amylase, glutamate aminotransferase (ALT), aspartate aminotransferase (AST), tumor necrosis factor (TNF)-α, C-reactive protein (CRP) and the variation of TREM-1 expression were tested. The blood and peritoneal fluid samples were collected for bacterial culture.Part of the pancreas and liver tissue were taken for histopathological score under microscope. The expression of TREM-1 at mRNA and protein level in liver tissue was detected through Real-time PCR and Western Blot. Results The histological score of pancreas and liver, serum amylase, ALT and AST were significantly higher in the SAP and SISAP groups than those in C group (P<0. 05), and higher in SISAP group than in SAP group (P<0. 05). The CRP and TNF-a expression in SAP and SISAP groups were higher then those in control group, while there was no significant difference between the two groups (P=0. 262 and 0. 359 , respectively). The positive ratio of bacterial culture in blood and peritoneal fluid was 0(0/8), 12. 5% (1/8), and 100% (8/8) in control group, SAP group and SISAP group respectively. The expression of TREM-lmRNA in liver was 2. 10 ± 0. 33 in SAP group and 4. 58+ 1. 00 in SISAP group, which were significantly higher than that in control group (1. 00,P<0. 05) , and the expression of TREM-1 mRNA in SISAP group was higher than that in SAP group (P < 0.05). The expression of TREM-1 at protein level was higher in SISAP group,significantly stronger than that in control and SAP group. Conclusions TREM-1 may play an important role in the early liver damage caused by severe acute pancreatitis.

Full text: Available Index: WPRIM (Western Pacific) Type of study: Diagnostic study / Prognostic study Language: Chinese Journal: Chinese Journal of Digestion Year: 2011 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Type of study: Diagnostic study / Prognostic study Language: Chinese Journal: Chinese Journal of Digestion Year: 2011 Type: Article