Ji Yeong Yang

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Piperine is a compound comprising 5-9% of black pepper (Piper nigrum), which has a variety of biological roles related to anticancer activities. Helicobacter pylori has been classified as a gastric carcinogen, because it causes gastritis and gastric cancer by injecting the virulent toxin CagA and translocating VacA. The present study investigated the(More)
Menadione (vitamin K3) has been reported to induce apoptotic cell death and growth inhibition in various types of cancer cells. However, involvement of menadione in cell cycle control has not been considered in gastric cancer cells yet. In the current study, we have investigated whether menadione is involved in the cell cycle regulation and suppression of(More)
Epstein-Barr virus (EBV)-positive diffuse large B-cell lymphoma (DLBCL) of the elderly has been included in the 2008 WHO classification of lymphoma as a new provisional entity. EBV-positive DLBCL of the elderly is newly classified due to the main occurrence usually in patients of older than 50-year-old. This study was performed in 91 DLBCL patients from(More)
Helicobacter pylori related gastric cancer initiation has been studied widely. The objective of our present study was to evaluate the effect of a single compound piperine on H. pylori infection and its anti-inflammatory and anti-cancer effects in vitro. Cytotoxicity was tested by Ez-cytox cell viability assay kit. Effects of piperine on H. pylori toxin gene(More)
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