ArticlePloS one2019
The effect of different treatments of lymph after intestinal ischemia-reperfusion in rats on macrophages in vitro.
Article in PloS one, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed, 1 citations in OpenAlex.
- Effects of Farnesiferol B on Ischemia-Reperfusion-Induced Renal Damage, Inflammation, and NF-κB Signaling.International journal of molecular sciences · 2019Article
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundTo observe the effects of different treatments of lymph after intestinal I/R in rats on macrophages in vitro.
methodsForty-eight healthy SPF SD rats weighing 300 ± 20 g, were randomly divided into two groups: group A, and group B. The rats in group A were drained of lymph fluid for 180 min; the rats in group B were subjected to 60 min ischemia by clamping the SMA, followed by 120 min reperfusion and 180 min of lymph drainage. The lymph fluid collected was divided into 4 sub-groups: 1. no treatment (A1, Ly, and B1, I/R Ly); 2. protein degradation (A2, Ly PD, and B2 I/R PD); 3. endotoxin removal (A3, Ly ER, and B3, I/R ER); 4. protein degradation plus endotoxin removal (A4, Ly PD+ER, and B4, I/R PD+ER), then used to stimulate a monocyte-macrophage cell line.
resultsCompared with group A1, the levels of the inflammatory cytokines, chemokines, HMGB1 concentration, protein and mRNA expression of TLR4, HMGB1 and NF-κBp65 were significantly increased in group B1. There was a significant reduction in proinflammatory cytokines and of the expression of TLR4, NF-κBp65, and chemokines in groups A2, B2, A4, and B4. However, there were no significant decrease of these factors in groups A3 and B3.
conclusionsThe lymph fluid drained after intestinal I/R can cause inflammation in vivo and in vitro. Deproteinization of lymph fluid with proteinase K significantly reduced the concentration of proinflammatory cytokines, chemokines, TLR4 and NF-κBp65 in cell culture supernatant, exerting a protective effect on inflammatory reaction caused by the intestinal I/R. Passage of lymph fluid through an endotoxin removal column did not reduce the levels of active proinflammatory factors produced by macrophages in vitro.
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