Selenoneine is a novel organic selenium compound markedly found in the blood, muscles, and other tissues of fish. This study aimed to determine whether selenoneine attenuates hepatocellular injury and hepatic steatosis in a mouse model of non-alcoholic fatty liver disease (NAFLD). Mice lacking farnesoid X receptor (FXR) were used as a model for fatty liver disease, because they exhibited hepatomegaly, hepatic steatosis, and hepatic inflammation. Fxr-null mice were fed a 0.3 mg Se/kg selenoneine-containing diet for four months. Significant decreases in the levels of hepatomegaly, hepatic damage-associated diagnostic markers, hepatic triglycerides, and total bile acids were found in Fxr-null mice fed with a selenoneine-rich diet. Hepatic and blood clot total selenium concentrations were 1.7 and 1.9 times higher in the selenoneine group than in the control group. A marked accumulation of selenoneine was found in the liver and blood clot of the selenoneine group. The expression levels of oxidative stress-related genes (heme oxygenase 1 (Hmox1), glutathione S-transferase alpha 1 (Gsta1), and Gsta2), fatty acid synthetic genes (stearoyl CoA desaturase 1(Scd1) and acetyl-CoA carboxylase 1 (Acc1)), and selenoprotein (glutathione peroxidase 1 (Gpx1) and selenoprotein P (Selenop)) were significantly decreased in the selenoneine group. These results suggest that selenoneine attenuates hepatic steatosis and hepatocellular injury in an NAFLD mouse model.
The oral administration of taurine improves pancreatic fibrosis. Taurine chloramine inhibits transforming growth factor-beta1 produced from activated pancreatic stellate cells and improves pancreatic fibrosis.
Sialadenoma papilliferum of the esophagus is an extremely rare benign tumor that derives from the submucosal gland duct of the minor salivary gland. A 45-year-old man underwent upper gastrointestinal series. A 13 mm diameter esophageal polyp was suspected in the mid esophagus. Endoscopy examination revealed a pedunculated polyp arising from the posterior wall of the esophagus. The head of the polyp was covered with exudate and was slightly nodular but the pedicle had normal mucosa. We performed endoscopic mucosal resection (EMR) and the histological examination of the polyp showed that it was compatible with sialadenoma papilliferum of the esophagus.
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