Abstract:
:The role of peptide leukotrienes (p-LTs), especially LTC4 and LTD4 in liver disease, was investigated in mice experimental liver injury models. The liver injury was induced by the injection of bacterial lipopolysaccharide (LPS) into Corynebacterium parvum pretreated mice. Carbon tetrachloride (CCl4)-induced liver injury in mice was used as a standard model. In both injury models, extensive liver parenchymal cell damage was observed by the elevation of glutamate transaminase (GOT and GPT) activity and confirmed by significant histopathological changes in the liver. Moreover, significant elevation of LTC4 in the liver was observed in both models 1 and 6 h after the onset of disease. Administration of AA-861, a selective 5-lipoxygenase inhibitor (0.5, 1, and 2 mg/kg) and LY-171883, a p-LT receptor antagonist (50 and 200 mg/kg) suppressed the elevation of serum GOT and GPT levels and histopathological changes in both experimental liver injury models. In addition, when authentic LTC4 or LTD4 was injected into the mouse, clear elevation of serum GOT and GPT and histopathological changes of the liver were observed. These results suggest that p-LTs play a role in the onset of liver diseases in mice.
journal_name
Inflammationjournal_title
Inflammationauthors
Nagai H,Shimazawa T,Yakuo I,Aoki M,Koda A,Kasahara Mdoi
10.1007/BF00914311subject
Has Abstractpub_date
1989-12-01 00:00:00pages
673-80issue
6eissn
0360-3997issn
1573-2576journal_volume
13pub_type
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