Ningke GUO, Han SHE, Lei TAN, et al. Protective effects of parthenolide on intestinal barrier function in septic rats[J]. Journal of Army Medical University, 2022, 44(20): 2068-2074.
DOI:
Ningke GUO, Han SHE, Lei TAN, et al. Protective effects of parthenolide on intestinal barrier function in septic rats[J]. Journal of Army Medical University, 2022, 44(20): 2068-2074. DOI: 10.16016/j.2097-0927.202205042.
Protective effects of parthenolide on intestinal barrier function in septic rats
To investigate the protective effects of parthenolide (PTL) on intestinal barrier function in septic rats.
Methods
2
The septic model of rats was established by cecal ligation and puncture (CLP)
and SD rats (200±20 g
male/female) were randomly divided into 6 groups: normal control (NC) group
sepsis (Sep) group
conventional treatment (LR) group (lactated Ringer's solution resuscitation+dopamine+cefuroxime sodium)
and parthenolide (PTL) groups (1
5 and 10 mg/kg parthenolide respectively on the basis of LR group). The changes of arterial blood pressure
survival rate and survival time of rats in each group were observed
and the optimal concentration of parthenolide in the treatment was determined. Moreover
the effects of parthenolide (at the optimal concentration) on the intestinal permeability
intestinal pathology
inflammatory cytokine levels
as well as liver and kidney functions in septic rats were further investigated.
Results
2
As compared with the NC group
the survival rate and survival time of septic rats were significantly decreased
so was the mean arterial pressure (MAP)
while the levels of blood inflammatory cytokines were increased
and the liver and kidney functions were damaged. Conventional treatment improved the survival rate and survival time of septic rats to a certain extent
reduced the levels of inflammation cytokines and alleviated the liver and kidney damages. When compared with the LR group
the survival rates of 1
5
and 10 mg/kg PTL groups were increased by 6.3%
43.8%
and 18.8%
respectively
and the MAP in the PTL groups was elevated by 1.4%
12.8%
and 7.1%
respectively
with those of 5 mg/kg PTL more significant. Further research found that PTL remarkably ameliorated the intestinal barrier function in septic rats
shown as a 55.1% reduction in the content of intestinal Evans blue (EB)
a 69.5% decline in blood D-lactic acid concentration as compared with the LR group (
P
<
0.05)
along with an improvement in intestinal epithelial structure
and a decrease in epithelial cell necrosis. In addition
PTL reduced the inflammatory cytokine levels greatly and improved the liver and kidney functions in septic rats.
Conclusion
2
PTL shows obvious protective effects on the intestinal barrier function of septic rats
and its mechanism may be related to the inhibition of septic inflammatory response.
关键词
Keywords
references
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