Journal of gastroenterology and hepatology
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J. Gastroenterol. Hepatol. · Jun 2016
Performance of magnetic resonance elastography in primary sclerosing cholangitis.
Liver stiffness (LS) measured by magnetic resonance elastography (MRE) is emerging as an important biomarker in chronic liver diseases. We examined the diagnostic performance of MRE, factors associated with an increased LS and the prognostic value of LS as measured by MRE among patients with primary sclerosing cholangitis (PSC). ⋯ Magnetic resonance elastography is able to detect cirrhosis with high specificity and an alkaline phosphatase <1.5 times the upper limit of normal makes the presence of advanced LS unlikely. Moreover, LS obtained by MRE is predictive of hepatic decompensation in PSC.
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J. Gastroenterol. Hepatol. · Jun 2016
Elevated H2 O2 levels in trinitrobenzene sulfate-induced colitis rats contributes to visceral hyperalgesia through interaction with the transient receptor potential ankyrin 1 cation channel.
Inflammatory bowel disease is associated with chronic abdominal pain. Transient receptor potential ankyrin 1 (TRPA1) is a well-known pain sensor expressed in primary sensory neurons. Recent studies indicate that reactive oxygen species such as hydrogen peroxide (H2 O2 ) may activate TRPA1. ⋯ These results suggest that H2 O2 content of the colonic tissue is increased in the early stage of TNBS-induced colitis. The increased H2 O2 content may contribute to the visceral hyperalgesia by activating TRPA1.