The synthetic bile acid-phospholipid conjugate ursodeoxycholyl lysophosphatidylethanolamide suppresses TNFα-induced liver injury
BACKGROUND & AIMS: Excessive apoptosis and leukocyte-dependent inflammation mediated by pro-inflammatory cytokines, such as TNFα, are cardinal features of acute liver injury. This study evaluated the ability of the newly designed bile acid-phospholipid conjugate ursodeoxycholyl lysophosphatidyle...
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| Main Authors: | , , , |
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| Format: | Article (Journal) |
| Language: | English |
| Published: |
2011
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| In: |
Journal of hepatology
Year: 2011, Volume: 54, Issue: 4, Pages: 674-684 |
| ISSN: | 1600-0641 |
| DOI: | 10.1016/j.jhep.2010.07.028 |
| Online Access: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1016/j.jhep.2010.07.028
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| Author Notes: | Anita Pathil, Arne Warth, Walee Chamulitrat, Wolfgang Stremmel |
MARC
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| 245 | 1 | 4 | |a The synthetic bile acid-phospholipid conjugate ursodeoxycholyl lysophosphatidylethanolamide suppresses TNFα-induced liver injury |c Anita Pathil, Arne Warth, Walee Chamulitrat, Wolfgang Stremmel |
| 246 | 3 | 3 | |a The synthetic bile acid-phospholipid conjugate ursodeoxycholyl lysophosphatidylethanolamide suppresses TNFalpha-induced liver injury |
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| 520 | |a BACKGROUND & AIMS: Excessive apoptosis and leukocyte-dependent inflammation mediated by pro-inflammatory cytokines, such as TNFα, are cardinal features of acute liver injury. This study evaluated the ability of the newly designed bile acid-phospholipid conjugate ursodeoxycholyl lysophosphatidylethanolamide (UDCA-LPE) to protect from hepatocellular injury in comparison to the known hepatoprotectant ursodeoxycholic acid (UDCA) and phosphatidylcholine (PC). - METHODS: Anti-apoptotic and anti-inflammatory properties of UDCA-LPE were evaluated after TNFα treatment of embryonic human hepatocyte cell line CL48 as well as of primary human hepatocytes. Acute liver injury was induced in C57BL/6 mice with d-galactosamine/lipopolysaccharide (GalN/LPS) in order to determine in vivo efficacy of the conjugate. - RESULTS: UDCA-LPE inhibited TNFα-induced apoptosis and inflammation in hepatocytes in vitro and markedly ameliorated GalN/LPS-mediated fulminant hepatitis in mice, whereas UDCA or PC failed to show protection. The conjugate was able to decrease injury-induced elevation of phospholipase A(2) activity as well as its product lysophosphatidylcholine. Analysis of hepatic gene expression showed that UDCA-LPE treatment led to favourable inhibitory effects on expression profiles of key pro-inflammatory cytokines and chemokines, which are crucial for leukocyte recruitment and activation thereby inhibiting chemokine-mediated aggravation of parenchymal damage. - CONCLUSIONS: Thus, UDCA-LPE as a synthetic bile acid-phospholipid conjugate may represent a potent anti-inflammatory agent that is more effective than UDCA and PC for treatment of liver diseases. | ||
| 650 | 4 | |a Animals | |
| 650 | 4 | |a Apoptosis | |
| 650 | 4 | |a Cell Line | |
| 650 | 4 | |a Chemical and Drug Induced Liver Injury | |
| 650 | 4 | |a Cholagogues and Choleretics | |
| 650 | 4 | |a Cytokines | |
| 650 | 4 | |a Galactosamine | |
| 650 | 4 | |a Gene Expression | |
| 650 | 4 | |a Humans | |
| 650 | 4 | |a Inflammation Mediators | |
| 650 | 4 | |a Lipopolysaccharides | |
| 650 | 4 | |a Lysophospholipids | |
| 650 | 4 | |a Male | |
| 650 | 4 | |a Mice | |
| 650 | 4 | |a Mice, Inbred C57BL | |
| 650 | 4 | |a Phosphatidylcholines | |
| 650 | 4 | |a Phospholipases A2 | |
| 650 | 4 | |a Phospholipids | |
| 650 | 4 | |a Tumor Necrosis Factor-alpha | |
| 650 | 4 | |a Ursodeoxycholic Acid | |
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