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BACKGROUND Mesenchymal stem cells (MSCs), also known as multipotent progenitor cells, release several factors that support cell survival and enhance wound healing. We hypothesized that MSC-secreted molecules would induce a trophic effect in pancreatic islet culture conditions. METHODS Pancreatic islets were co-cultured with MSCs, and ADP/ATP ratios,(More)
We evaluated the long-term survival results and safety of percutaneous radiofrequency ablation (RFA) for recurrent hepatocellular carcinoma (HCC) after hepatectomy, and assessed the prognostic factors that can influence its long-term therapeutic results. One hundred and two patients, who had 119 recurrent HCC in their livers, underwent ultrasound-guided(More)
BACKGROUND AND AIM The resection of synchronous or metachronous pulmonary and liver metastasis is an aggressive treatment option for patients with stage IV colorectal cancer and has been shown to yield acceptable long-term survival. We reviewed our experience with colorectal cancer patients with both liver and lung resections to determine the efficacy of(More)
Combined hepatocellular and cholangiocarcinoma (HCC-CC) is a rare primary hepatic neoplasm (PHN) with features of both hepatocellular and biliary differentiation. We compared the outcome of hepatic resection in patients with HCC-CC, those with hepatocelluar carcinoma (HCC), and those with cholangiocarcinoma (ICC). Between November 1994 and December 2003,(More)
Hepatocellular carcinoma is one of the most lethal cancers worldwide. More accurate stratification of patients at risk is necessary to improve its clinical management. As epithelial-mesenchymal transition is critical for the invasiveness and metastasis of human cancers, we investigated expression profiles of 12 genes related to epithelial-mesenchymal(More)
The principal objective of this study was to evaluate the feasibility of Hepatitis B virus (HBV) vaccine switch program after 1-year Hepatitis B immunoglobulin (HBIG) for the prevention of de novo HBV (DNHBV) infection in pediatric recipients of hepatitis B core antibody (anti-HBc)-positive grafts. In this study, we enrolled pediatric recipients (n = 14),(More)
BACKGROUND Hepatocellular carcinoma (HCC) is the most common tumor in the adult liver, with high relapse and mortality rates despite diverse treatment modalities. In this study, nicotinamide N-methyltransferase (NNMT), a key enzyme in drug metabolism, was investigated as a potential prognostic factor. METHODS Frozen tumors and non-cancerous surrounding(More)
UNLABELLED Live imaging is a powerful technique that can be used to characterize the fate and location of stem cells in animal models. Here we investigated the characteristics and in vitro cytotoxicity of human mesenchymal stem cells (MSCs) labeled with silica-coated magnetic nanoparticles incorporating rhodamine B isothiocyanate, MNPs@SiO2(RITC). We also(More)
PURPOSE To evaluate the therapeutic efficacy and safety of percutaneous radiofrequency (RF) ablation for recurrent hepatocellular carcinoma (HCC) in the liver after hepatectomy. MATERIALS AND METHODS Forty-five patients with 53 recurrent HCC tumors in the liver underwent percutaneous RF ablation with ultrasonographic guidance. All patients had a history(More)
The CpG island hypermethylation of the suppressor of cytokine signaling-1 (SOCS-1) gene is frequently methylated in hepatocellular carcinoma (HCC), but its clinicopathological significance and the potential risk factors for the epigenetic change in HCC remain poorly understood. The methylation status of SOCS-1 CpG island was evaluated in fresh-frozen(More)