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1.
Article in Chinese | WPRIM | ID: wpr-1014917

ABSTRACT

Uridine diphosphate glucuronic acid transferase (UDP-glucuronosyltransferases, UGT) is an important Ⅱmetabolic enzymes in the body. It is invovled in the metabolism of exogenous compounds, and also in endogenous substances such as bile acid metabolism and regulation. Parsing uridine diphosphate glucuronic acid transferase mediated bile acid metabolism and its influence factors can help enhance related disease treatment and prevention. Studies have shown that the interaction between UGT and bile acids is influenced by many endogenous and exogenous factors. This paper will focus on the effects of internal and exogenous factors such as nuclear receptors, genetic factors, xenobiotics and liver-related diseases on the action of UGT enzyme, and discuss the potential mechanism of bile acid balance intervention.

2.
Article in Chinese | WPRIM | ID: wpr-487328

ABSTRACT

BACKGROUND: Continuous blood purification can remove cytokines and inflammatory mediators, maintain homeostasis and prevent the occurrence of multiple organ dysfunction syndrome in patients with severe pancreatitis, which has become the main therapy for severe pancreatitis. Since the hemodialysis technology began to be applied clinical y, the biological and physicochemical properties of hemodialysis membrane materials have been studied. A variety of hemodialysis membranes have been developed in order to improve the biocompatibility and anticoagulant effect in vitro. OBJECTIVE: To investigate the application effect of hemodialysis membranes on severe pancreatitis. METHODS: Ten Wistar rats were selected to make rat models of severe pancreatitis and then were randomized into two groups (n=5 per group): homophone membrane group and polysulfone membrane group. Hemodialysis- related biochemical parameters were detected in the two groups. RESULTS AND CONCLUSION: Compared with the homophone membrane, ultrafiltration coefficient, creatinine clearance, blood urea nitrogen clearance, phosphorus clearance, number of circulating endothelial cel s, and levels of plasma nitric oxide and asymmetric dimethylarginine were significantly lower in the polysulfone membrane group (P < 0.05). Vitamin B12 clearance and amount of pre-congestion increased significantly in the polysulfone membrane group as compared with the homophone membrane (P < 0.05). These findings indicate that the polysulfone membrane for hemodialysis has good biocompatibility, and keeps a stable environment in vivo for severe pancreatitis patients.

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