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1.
Article in Chinese | WPRIM | ID: wpr-394262

ABSTRACT

Objective To investigate the modulation of EPCs by interleukin 1β (IL-1β) and p38 mitogen activated protein kinase (p38MAPK) and the pathogenesis resulting from their dysdifferenfiation after trauma.Method Thirty pigs were divided into a control group (n = 15) and a multiple organ dysfimction syndrome (MODS) group (n = 15), the latter of which were subjected to a "two-hit" injury including hemon'hagic shock and endotoxemia. Phosphorylation of p38MAPK in peripheral blood mononuclear cells was monitored by western blotting. The concentration of IL-1β in peripheral blood plasma was determined by ELISA and the numbers of EPCs with FCM in peripheral blood plasma were monitored. The morbidity rates in the two groups were compared by chi square test. The levels of phosphorylation of p38MAPK in peripheral blood mononuclear cells, the concentmtions of IL-1β in peripheral blood plasma and the numbers of EPCs in the peripheral blood were compared between groups using with Student's t lest. Results The level of p38MAPK phosphorylation was more augmented and the concen-tration of IL-1β higher in peripheral blood mononuelear cells and plasma from MODS pigs compared with those from control pigs; nevertheless the mauler of EPC conspicuously decreased in the peripheral blood (P <0.01). The morbidity rate in the MODS group was much higher than that in the control group (P < 0.01). There were fewer EPCs in the peripheral blood of animals in group M than in the peripheral blood of animals in group C (P <0.01). Conclusions p38MAPK phosphorylation is important for the pathogenesis of MODS. p38MAPK phospho-rylation might cause the concentration of IL-1β in the peripheral blood plasma to rise and could cause a drop in the numbers of EPCs, thereby aggravating the inflanmmatory reaction in MODS.

2.
Cancer Research and Clinic ; (6): 449-451, 2008.
Article in Chinese | WPRIM | ID: wpr-382014

ABSTRACT

Objective To study the clinicopathologic characteristics and the prognostic factors of gastric stump cancer (GSC). Methods A total of forty-seven patients with GSC from Jan 2000 to Dec 2006 were enrolled in this study for retrospective analysis. Initial surgery was performed for gastric benign disease in 39 patients and for malignant disease in 8 patients, which were divided into 2 groups for analysis. The prognosis of all 47 patients were analyzed. Results The mean interval between previous gastrectomy and diagnosis of GSC was 24.4 years. Tumor developed mostly in the patients with Billroth- Ⅱ reconstruction, and male more than female. Tumor located at anastomotic site mostly, at stump stomach and cardia secondly. The mean interval for patients who had undergone their first gastrectomy for malignant disease was shorter than that with benign disease(P<0.05). Histology, therapy and prognosis showed no significant differences between two groups (P>0.05). Disease TNM stage and total radical gastrectomy were shown to be significant predictor for the outcome of patients with GSC (P <0.01). Conclusion Now the GSC patients with initial surgery performed for malignant disease are increased, which are no siginificant different to patients with benign disease. Early diagnosis and an aggressive surgical approach are crucial to achieve better outcomes for patients with GSC.

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