Decreased hepatic nitric oxide production contributes to the development of rat sinusoidal obstruction syndrome
Hepatology, ISSN: 0270-9139, Vol: 38, Issue: 4, Page: 900-908
2003
- 119Citations
- 41Captures
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Metrics Details
- Citations119
- Citation Indexes118
- 118
- CrossRef94
- Clinical Citations1
- PubMed Guidelines1
- Captures41
- Readers41
- 38
Article Description
This study examined the role of decreased nitric oxide (NO) in the microcirculatory obstruction of hepatic sinusoidal obstruction syndrome (SOS). SOS was induced in rats with monocrotaline. Monocrotaline caused hepatic vein NO to decrease by 30% at 24 hours and by 70% at 72 hours; this decrease persisted throughout late SOS. N G -nitro-L-arginine methyl ester (L-NAME), an inhibitor of NO synthase, exacerbated monocrotaline toxicity, whereas V-PYRRO/NO, a liver-selective NO donor prodrug, restored NO levels, preserved sinusoidal endothelial cell (SEC) integrity and sinusoidal perfusion as assessed by in vivo microscopy and electron microscopy, and prevented clinical and histologic evidence of SOS. NO production in vitro by SEC and Kupffer cells, the 2 major liver cell sources of NO, decreases largely in parallel with loss of cell viability after exposure to monocrotaline. Increased matrix metalloproteinase (MMP) activity increases early on in SOS and this increase in activity has been implicated in initiating SOS. Infusion of V-PYRRO-NO prevented the monocrotaline-induced increase in MMP-9. In conclusion, decreased hepatic NO production contributes to the development of SOS. Infusion of an NO donor preserves SEC integrity and prevents development of SOS. These findings show that a decrease in NO contributes to SOS by allowing up-regulation of MMP activity, loss of sinusoidal integrity, and subsequent disruption of sinusoidal perfusion. (H epatology 2003;38:900-908.)
Bibliographic Details
http://www.sciencedirect.com/science/article/pii/S0270913903006748; http://dx.doi.org/10.1053/jhep.2003.50383; http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=0141532294&origin=inward; http://www.ncbi.nlm.nih.gov/pubmed/14512877; http://doi.wiley.com/10.1053/jhep.2003.50383; https://journals.lww.com/01515467-200310000-00015; http://dx.doi.org/10.1002/hep.1840380416; http://onlinelibrary.wiley.com/doi/10.1002/hep.1840380416/abstract; https://dx.doi.org/10.1002/hep.1840380416; https://aasldpubs.onlinelibrary.wiley.com/doi/10.1002/hep.1840380416; https://aasldpubs.onlinelibrary.wiley.com/doi/abs/10.1002/hep.1840380416; https://aasldpubs.onlinelibrary.wiley.com/doi/full/10.1002/hep.1840380416; https://aasldpubs.onlinelibrary.wiley.com/doi/pdf/10.1002/hep.1840380416; http://doi.wiley.com/10.1002/hep.1840380416
Wiley
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