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BACKGROUND Hepatitis B virus (HBV) infection was demonstrated to be a risk factor of several cancers of the digestive system. In addition, liver cirrhosis, which could possibly result from chronic HBV infection, was associated with a higher risk of gastric cancer. However, the association of HBV infection and gastric cancer has not been investigated. (More)
Individuals with a deficiency in the enzyme dihydropyrimidine dehydrogenase (DPD) may experience severe life-threatening toxicity when treated with 5-fluorouracil (5-FU). As routine measurement of enzyme activity is not practical in many clinical centres, we have investigated the use of DNA mutation analysis to identify cancer patients with low enzyme(More)
BACKGROUND H2S is a novel type of endogenous neural regulatory factor and gaseous mediator. Exogenous H2S can increase heroin-induced learning and memory damage in rat and alleviates heroin-induced rat hippocampus damage through antioxidant and anti-apoptosis effects. OBJECTIVE Aim of this study was to identify whether hydrogen sulfide (H2S) protects(More)
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