ArticleWorld journal of gastroenterology2003
The mRNA expression patterns of tumor necrosis factor-alpha and TNFR-I in some vital organs after thermal injury.
Article in World journal of gastroenterology, 2003. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers, 1 of them a synthesis that pooled it.
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Who cites it
3 citing papers in PubMed, 1 synthesis or guideline pooled it, 24 citations in OpenAlex.
- The Probable Protective Effect of Photobiomodulation on the Inflammation of the Airway and Lung in COVID-19 Treatment: A Preclinical and Clinical Meta-Analysis.Advances in experimental medicine and biology · 2022Pooled it
- Protective Effects of Melatonin against Severe Burn-Induced Distant Organ Injury: A Systematic Review and Meta-Analysis of Experimental Studies.Antioxidants (Basel, Switzerland) · 2020Review
- Burn-Induced Multiple Organ Injury and Protective Effect of Lutein in Rats.Inflammation · 2018Article
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Authors and funding
7 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
aimTo investigate changes of tumor necrosis factor-alpha (TNF-alpha) and TNFR-I expression in vital organs and their significance in the pathogenesis of multiple organ damage associated with endogenous endotoxin following major burns.
methodsWistar rats subjected to a 35 % full-thickness scald injury were sacrificed at 12 h, 24 h, 48 h, and 72 h postburn, respectively. Meanwhile, eight rats were taken as normal controls. Tissue samples from liver, spleen, kidney, lung and intestine were collected to assay tissue endotoxin levels and measure TNF-alpha and TNFR-I expression. In addition, blood samples were obtained for the determination of organ function parameters.
resultsEndotoxin levels in liver, spleen and lung increased markedly after thermal injury, with the highest level in liver. The gene expression of TNF-alpha in liver, lung and kidney was up-regulated after thermal injury, while the TNFR-I mRNA expression in liver, lung, kidney and intestine was shown decreased throughout the observation period. Thus, the mRNA expression ratio of TNF-alpha to TNFR-I was significantly increased postburn, particularly in pulmonary tissue (67-fold). In addition, the significant correlations between the expression of TNFR-I or the expression ratio of TNF-alpha/TNFR mRNA in liver tissue and serum aspartate aminotransferase levels were noted (P<0.05-0.01). Similar results were also obtained between pulmonary TNF-alpha mRNA expression and myeloperoxidase activities (P<0.01), whereas there was a highly negative correlation between levels of renal TNFR-I mRNA expression and serum creatinine.
conclusionBurn injury could result in the translocation of gut-derived endotoxin that was mainly distributed in the liver, spleen and lung. The translocated endotoxin then made the expression of TNF-alpha and TNFR-I mRNA up-regulated and down-regulated respectively in various organs, which might be involved in the pathogenesis of multiple organ damage following burns.
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