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Different Expressions of IL-1 TNF-α P-selectin mRNA by Endothelial Cells after Vein Thrombosis

Zhou, W.; Xu, J.; Liao, K.

2019-06-26 microbiology
10.1101/681387 bioRxiv
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[Abstract]O_ST_ABSObjectiveC_ST_ABSExperiments were designed to compare the expressions of IL-1 TNF- P-selectin mRNA by porcine endothelial cells after vein thrombosis.\n\nMethodsIVC under the renal vein of 20 porcines were ligated to induce thrombosis modes. These thrombosed veins were divided into three groups:group A-one day after thrombosis, group B-four days after thrombosis and group C-seven days after thrombosis. The other pigs were given the shame operation as a contro group (group D). The mRNA levels of IL-1 TNF- and P-selectin expressed by porcine endothelial cells in three groups were analy sed by semi quantitative RT-PCR. Endothelial cells were harvested with collagenase II.\n\nResultsThe purity of endothelial cells harvested was 99.42 {+/-}0.07. The expression of IL-1 was detained only in group A while TNF-reached its peak in group B(P <0.05) and P-selectin increased gradually with the days passing by(P <0.05).\n\nConclusionEndothelial cells are not only the target cells of inflammatory mediators, but also can express a variety of active factors to promote venous thrombosis. Expression of TNF- mRNA is increased gradually in the early period of vein thrombosis while P-selectin in the acute period; IL-1 mRNA was transiently expressed only in the early stage of thrombosis.

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