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BACKGROUND Signal transducer and activator of transcription 4 (STAT4) mediates the intracellular effects of interleukin-12, leading to the production of interferon gamma (IFN-γ) and natural killer cells cytotoxicity. However, the clinical significance of STAT4 expression in patients with hepatocellular carcinoma (HCC) remains virtually unknown. METHODS A(More)
AIM It is reasonable to investigate non-tumor liver tissues to predict a risk for development of hepatocellular carcinoma (HCC). A molecular analysis of chronically damaged liver tissues may identify specific miRNA expression profiles associated with a risk for multicentric (MC) HCC. METHODS Twenty HCC patients, who underwent a curative hepatectomy were(More)
Regenerative medicine is emerging as a rapidly evolving field of research and therapeutics. Stem cells hold great promise for future translational research and clinical applications in many fields. Much research has focused on mesenchymal stem cells isolated from bone marrow in vitro and in vivo; however, bone marrow procurement causes considerable(More)
BACKGROUND AND AIM CD133 is one of the most important cancer-initiating (stem) cell markers and was confirmed to be expressed in solid cancers such as colon cancer. However, no one has investigated the role of CD133 in intrahepatic cholangiocarcinoma (IHCC). The aim of this study was to clarify the clinical role of CD133 expression in IHCC. PATIENTS AND(More)
BACKGROUND Radiofrequency ablation (RFA) is a widely used therapy for hepatocellular carcinoma (HCC). Several reports have demonstrated the aggressive local recurrence of HCC after RFA, suggesting that induction of further malignant transformation of HCC has occurred. METHODS Eighty-eight (88) patients with HCC who underwent hepatic resection were(More)
PURPOSE The function of regulatory T cells (Foxp3(+)CD4(+)CD25(+) T cells: Treg) after surgery remains unspecified. We investigated the potential role of Treg as a new stress marker for various operations. METHODS Thirty-three patients who underwent various operations at our department were divided into the following three groups based on the invasiveness(More)
PURPOSE Cholangiolocellular carcinoma (CLC) is an extremely rare malignant liver tumor. It is thought to originate from the ductules and/or canals of Hering, where hepatic stem cells (HpSC) are located, but there are few reports on cancer stem cell markers in CLC. Thus, we evaluated the significance of cancer stem cell markers, including CD133, CD44, and(More)
PURPOSE To assess the safety and feasibility of pancreatoduodenectomy (PD) in elderly patients, we investigated the clinical characteristics of patients aged ≥75 years, who underwent this procedure at our hospital. METHODS Between November 2005 and December 2010, 84 patients underwent PD at Tokushima University Hospital. We analyzed the(More)
AIM   With the recent advances in medical or surgical treatments in chronic hepatic disorders, the indications for splenectomy in hepatic disorders have greatly expanded. We performed splenectomy for cirrhotic patients and investigated the effects of splenectomy on hepatic functional reserve and nutrition metabolism. METHODS   Eighteen patients(More)
BACKGROUND AND AIM In general, the spleen is one of the abdominal organs connected by the portal system, and a splenectomy improves hepatic functions in the settings of partial hepatectomy (Hx) for portal hypertensive cases or living donor liver transplantation with excessive portal vein flow. Those precise mechanisms remain still unclear; therefore, we(More)