Research Topics
| Shinjiro YamaguchiSummaryAffiliation: Osaka University Country: Japan Publications
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Detail Information
Publications
Dendritic cell-based vaccines suppress metastatic liver tumor via activation of local innate and acquired immunityShinjiro Yamaguchi
Department of Gastroenterology and Hepatology, Osaka University Graduate School of Medicine, 2 2 Yamadaoka, Suita, Osaka, 565 0871, Japan
Cancer Immunol Immunother 57:1861-9. 2008..In this study, we investigated whether preventive vaccination with unpulsed DCs or peptide-pulsed DCs could offer anti-tumor effects against MC38 or BL6 liver tumors...
Mutations associated with the therapeutic efficacy of adefovir dipivoxil added to lamivudine in patients resistant to lamivudine with type B chronic hepatitisKazuyoshi Ohkawa
Department of Gastroenterology and Hepatology, Osaka University Graduate School of Medicine, Suita, Japan
J Med Virol 81:798-806. 2009....
Decreased expressions of CD1d molecule on liver dendritic cells in subcutaneous tumor bearing miceTomohide Tatsumi
Department of Gastroenterology and Hepatology, Osaka University Graduate School of Medicine, Suita, Osaka 565 0871, Japan
J Hepatol 49:779-86. 2008..However, the activation of liver innate immunity by alpha-GalCer should be examined because clinical trials of alpha-GalCer resulted in limited clinical responses...
Natural killer cell and hepatic cell interaction via NKG2A leads to dendritic cell-mediated induction of CD4 CD25 T cells with PD-1-dependent regulatory activitiesMasahisa Jinushi
Department of Gastroenterology and Hepatology, Osaka University Graduate School of Medicine, Osaka, Japan
Immunology 120:73-82. 2007..These findings provide new insight into the role of NK receptor signals in the DC-mediated induction of regulatory T cells...
Activated liver dendritic cells generate strong acquired immunity in alpha-galactosylceramide treatmentAkira Sasakawa
Department of Gastroenterology and Hepatology, Osaka University Graduate School of Medicine, 2 2 Yamadaoka, Suita, Osaka 565 0871, Japan
J Hepatol 50:1155-62. 2009..Alpha-galactosylceramide (alpha-GalCer) presented by dendritic cells (DCs) activates NKT cells that in turn drive DC maturation. However, the potential of generating acquired immunity of liver DCs in alpha-GalCer treatment remains unclear...
Fatal exacerbation of type B chronic hepatitis triggered by changes in relaxed circular viral DNA synthesis and virion secretionKazuyoshi Ohkawa
Department of Gastroenterology and Hepatology, Osaka University Graduate School of Medicine, 2 2 Yamadaoka, Suita 565 0871, Japan
Biochem Biophys Res Commun 394:87-93. 2010..This may have been responsible for disease deterioration in the patient. This is a novel type of HBV genomic variation associated with the development of fulminant liver disease...
Intrahepatic delivery of alpha-galactosylceramide-pulsed dendritic cells suppresses liver tumorTomohide Tatsumi
Department of Gastroenterology and Hepatology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
Hepatology 45:22-30. 2007..CONCLUSION: These results demonstrate that alphaGCDC injection into the liver can efficiently activate NK cells that in turn reject liver tumors to establish potent acquired immunity against the original tumor...
EphA2-derived peptide vaccine with amphiphilic poly(gamma-glutamic acid) nanoparticles elicits an anti-tumor effect against mouse liver tumorShinjiro Yamaguchi
Department of Gastroenterology and Hepatology, Osaka University Graduate School of Medicine, Yamadaoka, Suita, Japan
Cancer Immunol Immunother 59:759-67. 2010....
Supportive role played by precore and preS2 genomic changes in the establishment of lamivudine-resistant hepatitis B virusKazuyoshi Ohkawa
Department of Gastroenterology and Hepatology, Osaka University Graduate School of Medicine, Osaka, Japan
J Infect Dis 198:1150-8. 2008..To elucidate the differences between viruses with and those without rtL180M, we conducted full-length sequencing analysis of HBV derived from patients with type B chronic hepatitis showing lamivudine resistance...
Immunotherapy of murine colon cancer using receptor tyrosine kinase EphA2-derived peptide-pulsed dendritic cell vaccinesShinjiro Yamaguchi
Department of Gastroenterology and Hepatology, Osaka University Graduate School of Medicine, Osaka, Japan
Cancer 110:1469-77. 2007....
Early emergence of entecavir-resistant hepatitis B virus in a patient with hepatitis B virus/human immunodeficiency virus coinfectionAimi Kanada
Department of Gastroenterology and Hepatology, Osaka University Graduate School of Medicine, Yamadaoka, Suita, Osaka, Japan
Hepatol Res 38:622-8. 2008..In entecavir therapy for patients infected with both viruses, great care should be taken with respect to the emergence of entecavir-resistant hepatitis B virus, especially in patients with pre-existing lamivudine-resistant virus...
Type B fulminant hepatitis is closely associated with a highly mutated hepatitis B virus strainAimi Kanada
Department of Gastroenterology and Hepatology, Osaka University Graduate School of Medicine, Suita, Japan
Intervirology 50:394-401. 2007..We carried out full-length sequencing analysis of viral strains derived from patients with type B acute liver injury...
Suppressive effect on hepatocyte differentiation of hepatitis C virus core proteinAtsushi Hosui
Department of Gastroenterology and Hepatology, Osaka University Graduate School of Medicine, Suita 565-0871, Japan
Biochem Biophys Res Commun 346:1125-30. 2006..In conclusion, the HCV core may suppress differentiation into hepatocytes via inhibition of the JAK-STAT pathway and OSMRbeta expression...
Impairment of natural killer cell and dendritic cell functions by the soluble form of MHC class I-related chain A in advanced human hepatocellular carcinomasMasahisa Jinushi
Department of Molecular Therapeutics, Graduate School of Medicine, Osaka University, 2 2 Yamada oka, Suita, Osaka 565 0871, Japan
J Hepatol 43:1013-20. 2005..Earlier research demonstrated that the soluble form of MICA (sMICA) is released from some types of tumors, but its presence and role in HCC was not determined...
