Zhonghua lao dong wei sheng zhi ye bing za zhi = Zhonghua laodong weisheng zhiyebing zazhi = Chinese journal of industrial hygiene and occupational diseases · 2015
[Hemoperfusion alleviated paraquat-induced kidney inflammation injury of rabbit].
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Zhi Shaoce, Wu Dong, Li Lingwen, Hong Guangliang, Li Mengfang, Wu Bin, Lu Zhongqiu
Аннотация
OBJECTIVE: To investigate the effect of hemoperfusion on paraquat-Induced kidney inflammation injury of rabbit and the mechanism of it.
METHODS: 60 male rabbits were randomly divided into 4 groups, the normal control group (n=6, the rabbits were given NS by gavage) , blank control group (n=18, he rabbits were given 2 hours hemoperfusion once within 1 hour after given NS by gavage), paraquat poisoning group (n=18, the rabbits were given 50 mg/kg 20% paraquat solution by gavage) , hemoperfusion treatment group (n=18, the rabbits were given 2 hours hemoperfusion once within 1 hour after 20% paraquat solution espoused). The last 3 groups were divided into 3 observation time groups (1, 3, 7 day), contained 6 rabbits each group. On days 1, 3, 7 all groups rabbits were anesthetized and sacrificed, and their kidney tissues collected. The levels of NF-κB mRNA by RT-PCR, and the expression of NF-κB protein was measured by Western blotting,The expression levels of TNF-α, IL-6, iNOS measured by chemical colorimetric method to to observe inflammatory injury.
RESULTS: Compared with the normal control group rabbits, there were no changes in the TNF-α, IL-6, iNOS, NF-κB mRNA and protein of blank control group (P>0.05), while the expression of TNF-α, IL-6, NF-κB mRNA and protein in the kidney tissue of PQ group and were significantly increased (P<0.05). The pathological results of kidney tissues were no abnormalities onnormal control group and blank control group.
CONCLUSION: HP significantly increase resistance to PQ-induced inflammation injury in the rabbit kidney and exert a protective effect on PQ-induced kidney injury.
METHODS: 60 male rabbits were randomly divided into 4 groups, the normal control group (n=6, the rabbits were given NS by gavage) , blank control group (n=18, he rabbits were given 2 hours hemoperfusion once within 1 hour after given NS by gavage), paraquat poisoning group (n=18, the rabbits were given 50 mg/kg 20% paraquat solution by gavage) , hemoperfusion treatment group (n=18, the rabbits were given 2 hours hemoperfusion once within 1 hour after 20% paraquat solution espoused). The last 3 groups were divided into 3 observation time groups (1, 3, 7 day), contained 6 rabbits each group. On days 1, 3, 7 all groups rabbits were anesthetized and sacrificed, and their kidney tissues collected. The levels of NF-κB mRNA by RT-PCR, and the expression of NF-κB protein was measured by Western blotting,The expression levels of TNF-α, IL-6, iNOS measured by chemical colorimetric method to to observe inflammatory injury.
RESULTS: Compared with the normal control group rabbits, there were no changes in the TNF-α, IL-6, iNOS, NF-κB mRNA and protein of blank control group (P>0.05), while the expression of TNF-α, IL-6, NF-κB mRNA and protein in the kidney tissue of PQ group and were significantly increased (P<0.05). The pathological results of kidney tissues were no abnormalities onnormal control group and blank control group.
CONCLUSION: HP significantly increase resistance to PQ-induced inflammation injury in the rabbit kidney and exert a protective effect on PQ-induced kidney injury.