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  1. Article

    Open Access

    Blood angiopoietin-2 predicts liver angiogenesis and fibrosis in hepatitis C patients

    Pathological angiogenesis is involved in the development of hepatocellular carcinoma. In patients with chronic hepatitis C (CHC), the level of angiogenic factor angiopoietin (ANGP)-2 is reported to be increase...

    Yosuke Osawa, Sachiyo Yoshio, Yoshihiko Aoki, Masaaki Korenaga in BMC Gastroenterology (2021)

  2. No Access

    Article

    Bone morphogenetic protein 4 provides cancer-supportive phenotypes to liver fibroblasts in patients with hepatocellular carcinoma

    Cancer-associated fibroblasts (CAFs) are essential constituents of cancer-supportive microenvironments. The high incidence of hepatocellular carcinoma (HCC) in advanced fibrosis patients implies that fibroblas...

    Yohei Mano, Sachiyo Yoshio, Hirotaka Shoji in Journal of Gastroenterology (2019)

  3. Article

    Open Access

    Serum milk fat globule-EGF factor 8 (MFG-E8) as a diagnostic and prognostic biomarker in patients with hepatocellular carcinoma

    Current serum hepatocellular carcinoma (HCC) biomarkers are insufficient for early diagnosis. We aimed to clarify whether serum MFG-E8 can serve as a diagnostic or prognostic biomarker of HCC. Serum MFG-E8 lev...

    Tomonari Shimagaki, Sachiyo Yoshio, Hironari Kawai, Yuzuru Sakamoto in Scientific Reports (2019)

  4. Article

    Open Access

    Selective inhibitor of Wnt/β-catenin/CBP signaling ameliorates hepatitis C virus-induced liver fibrosis in mouse model

    Chronic hepatitis C virus (HCV) infection is one of the major causes of serious liver diseases, including liver cirrhosis. There are no anti-fibrotic drugs with efficacy against liver cirrhosis. Wnt/β-catenin ...

    Yuko Tokunaga, Yosuke Osawa, Takahiro Ohtsuki, Yukiko Hayashi in Scientific Reports (2017)

  5. No Access

    Article

    A case of malignant melanoma simultaneously found in the lung and small intestine

    Metastatic melanoma in the small bowel is a common cause of secondary intestinal tumors. We present a case of a 77-year-old man with melena resulting from melanoma in the small bowel that was simultaneously fo...

    Takayuki Nakagawa, Yoichi Yasuda, Seiji Sugiyama in Clinical Journal of Gastroenterology (2013)

  6. Article

    Open Access

    High susceptibility to lipopolysaccharide-induced lethal shock in encephalomyocarditis virus-infected mice

    Secondary bacterial infection in humans is one of the pathological conditions requiring clinical attention. In this study, we examined the effect of lipopolysaccharide (LPS) on encephalomyocarditis virus (EMCV...

    Hirofumi Ohtaki, Hiroyasu Ito, Masato Hoshi, Yosuke Osawa in Scientific Reports (2012)

  7. No Access

    Article

    Adult intussusception of the descending colon due to inflammatory myofibroblastic proliferation

    We present a case of an asymptomatic 70-year-old man with intussusception of the descending colon due to inflammatory myofibroblastic proliferation. Abdominal ultrasound examination showed a hypoechoic mass, 3...

    Ayako Sekine, Noriko Takahashi, Tsuneo Watanabe in Clinical Journal of Gastroenterology (2012)

  8. No Access

    Chapter

    Apoptosis in Liver Injury and Liver Diseases

    The liver is a multifunctional organ that has important roles such as metabolism, synthesis, and detoxification. Enhanced hepatocyte apoptosis and impaired liver regeneration are the most common liver disorder...

    Yosuke Osawa, Ekihiro Seki, David A. Brenner in Essentials of Apoptosis (2009)

  9. No Access

    Article

    TLR4 enhances TGF-β signaling and hepatic fibrosis

    Hepatic injury is associated with a defective intestinal barrier and increased hepatic exposure to bacterial products. Here we report that the intestinal bacterial microflora and a functional Toll-like recepto...

    Ekihiro Seki, Samuele De Minicis, Christoph H Österreicher in Nature Medicine (2007)

  10. No Access

    Chapter and Conference Paper

    Tumor Necrosis Factor α-Induced Hepatic Apoptosis and Hepatocyte Sensitization

    Tumor necrosis factor-α (TNFα) and Fas ligand are death factors that bind to their receptors, two TNF receptors (TNFR), TNFR1 and TNFR2, and Fas, respectively, and induce apoptosis in a variety of cell types. ...

    Masahito Nagaki, Yosuke Osawa, Takafumi Naiki in Trends in Gastroenterology and Hepatology (2001)