ArticleInflammation2012
Anti-inflammatory activity of hyperimmune plasma in a lipopolysaccharide-mediated rat air pouch model of inflammation.
Article in Inflammation, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
What it found
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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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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
4 citing papers in PubMed, 3 citations in OpenAlex.
- GPR105-Targeted Therapy Promotes Gout Resolution as a Switch Between NETosis and Apoptosis of Neutrophils.Frontiers in immunology · 2022Article
- Possible role of lymphocytes in glucocorticoid-induced increase in trabecular bone mineral density.The Journal of endocrinology · 2015Article
- Effects of analgesic use on inflammation and hematology in a murine model of venous thrombosis.Journal of the American Association for Laboratory Animal Science : JAALAS · 2014Article
- Imaging windows for long-term intravital imaging: General overview and technical insights.Intravital · 2014Article
Corrections and comments
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Tumour necrosis factor-α (TNFα) and polymorphonuclear neutrophils play key and interrelated roles in the inflammatory response against infectious agents. However, these entities can mediate significant tissue damage if their biological activity becomes deregulated. We have previously shown that canine hyperimmune frozen plasma (HFP) contains anti-TNFα activity that is attributable to elevated levels of soluble TNFα receptor 1 (sTNFR1). The aim of this study was to determine the effect of HFP on TNFα levels and neutrophil infiltration in a lipopolysaccharide (LPS)-mediated rat air pouch model of inflammation. Rats were administered either HFP, HFP which had been pre-incubated with anti-sTNFR1 antibody (5 ng/ml), fresh frozen plasma (FFP), physiological saline (PS) at 2 ml/day or Carprofen at 5 mg/kg for 3 days prior to LPS challenge. Pouch fluid was withdrawn at 1, 6, 12, 24 and 48 h post-LPS challenge and assayed for TNFα by ELISA, and for total leukocytes and neutrophils by microscopic examination. At 6 h post-LPS challenge, both TNFα levels and neutrophil counts were significantly lower in HFP-treated rats than was found in FFP, PS or Carprofen treated animals (p<0.05). In a sTNFR1 blocking experiment, incubation of HFP with anti-sTNFR1 antibody resulted in significant increases in neutrophil numbers and TNFα levels, which suggests that the anti-TNFα activity observed in HFP may be due to elevated levels of sTNFR1. The data also revealed a significant inverse correlation between total leukocyte counts and sTNFR1 levels present in pouch fluid (r= -0.73, p<0.0001). Our observations suggest that HFP warrants further investigation as a possible means for modulating acute inflammatory processes where TNFα is a key mediator.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.