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Abstract
Acute respiratory distress syndrome (ARDS) refers to the injury of alveolar epithelial cells and capillary endothelial cells due to various injury factors. Research on the pathogenesis of ARDS has made great progress, but the exact pathogenesis of ARDS has not been fully elucidated. Up to now, the prevention and treatment of ARDS is still an important scientific problem that needs to be solved urgently. In this work, we analyzed the effect of uridine on ARDS. An ARDS model was successfully constructed by lipopolysaccharide (LPS) stimulation. Western-blotting, IFA, ELISA, RT-PCT and CLSM were conducted to investigate the effect of uridine on ARDS and insulin resistance, and the results showed that lung histopathological alterations were significantly attenuated by uridine treatment. Further work showed that the levels of proinflammatory cytokines were significantly down-regulated in the lung tissue after treatment with uridine. Additionally, the numbers of total cells and neutrophils in the bronchoalveolar lavage fluid (BALF) were also decreased in the uridine-treated ARDS mice. We further explored the potential mechanism by which uridine could treat ARDS, and the results indicated that NF-κB signaling was down-regulated by uridine treatment. Next, we studied insulin sensitivity in the ARDS mice, and found that insulin signaling was significantly down-regulated, and uridine could enhance insulin sensitivity in the ARDS mice model. Furthermore, we found that the levels of inflammation and oxidative stress were decreased by uridine treatment, which may be the potential mechanism by which uridine could improve insulin sensitivity. Taken together, the current work provides evidence that uridine can serve as a potential drug to treat ARDS and insulin resistance.
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Editor-in-Chief
László ROSIVALL (Semmelweis University, Budapest, Hungary)
Managing Editor
Anna BERHIDI (Semmelweis University, Budapest, Hungary)
Co-Editors
- Gábor SZÉNÁSI (Semmelweis University, Budapest, Hungary)
- Ákos KOLLER (Semmelweis University, Budapest, Hungary)
- Zsolt RADÁK (University of Physical Education, Budapest, Hungary)
- László LÉNÁRD (University of Pécs, Hungary)
- Zoltán UNGVÁRI (Semmelweis University, Budapest, Hungary)
Assistant Editors
- Gabriella DÖRNYEI (Semmelweis University, Budapest, Hungary)
- Zsuzsanna MIKLÓS (Semmelweis University, Budapest, Hungary)
- György NÁDASY (Semmelweis University, Budapest, Hungary)
Hungarian Editorial Board
- György BENEDEK (University of Szeged, Hungary)
- Zoltán BENYÓ (Semmelweis University, Budapest, Hungary)
- Mihály BOROS (University of Szeged, Hungary)
- László CSERNOCH (University of Debrecen, Hungary)
- Magdolna DANK (Semmelweis University, Budapest, Hungary)
- László DÉTÁRI (Eötvös Loránd University, Budapest, Hungary)
- Zoltán GIRICZ (Semmelweis University, Budapest, Hungary and Pharmahungary Group, Szeged, Hungary)
- Zoltán HANTOS (Semmelweis University, Budapest and University of Szeged, Hungary)
- Zoltán HEROLD (Semmelweis University, Budapest, Hungary)
- László HUNYADI (Semmelweis University, Budapest, Hungary)
- Gábor JANCSÓ (University of Pécs, Hungary)
- Zoltán KARÁDI (University of Pecs, Hungary)
- Miklós PALKOVITS (Semmelweis University, Budapest, Hungary)
- Gyula PAPP (University of Szeged, Hungary)
- Gábor PAVLIK (University of Physical Education, Budapest, Hungary)
- András SPÄT (Semmelweis University, Budapest, Hungary)
- Gyula SZABÓ (University of Szeged, Hungary)
- Zoltán SZELÉNYI (University of Pécs, Hungary)
- Lajos SZOLLÁR (Semmelweis University, Budapest, Hungary)
- József TOLDI (MTA-SZTE Neuroscience Research Group and University of Szeged, Hungary)
- Árpád TÓSAKI (University of Debrecen, Hungary)
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- George KUNOS (National Institutes of Health, Bethesda, USA)
- Massoud MAHMOUDIAN (Iran University of Medical Sciences, Tehran, Iran)
- Tadaaki MANO (Gifu University of Medical Science, Japan)
- Luis Gabriel NAVAR (Tulane University School of Medicine, New Orleans, USA)
- Hitoo NISHINO (Nagoya City University, Japan)
- Ole H. PETERSEN (Cardiff University, UK)
- Ulrich POHL (German Centre for Cardiovascular Research and Ludwig-Maximilians-University, Planegg, Germany)
- Andrej A. ROMANOVSKY (University of Arizona, USA)
- Anwar Ali SIDDIQUI (Aga Khan University, Karachi, Pakistan)
- Csaba SZABÓ (University of Fribourg, Switzerland)
- Eric VICAUT (Université de Paris, UMRS 942 INSERM, France)
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Physiology International
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