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    Takeshi Saito, MD, PhD

    TitleAssistant Professor of Medicine
    SchoolKeck School of Medicine of USC
    DepartmentMedicine
    AddressHMR 801A
    Health Sciences Campus
    Los Angeles California 90033
    Phone+1 323 442 2260
    Emailsaitotak@usc.edu

       Overview 
       Overview
      My research interest has been centered on hepatitis C virus (HCV) virology, pathogenesis, and virus-host interaction including immune response. For the past 10 years during my PhD and Post-Doctoral training, I have investigated viral-host interactions that regulate HCV viral replication through the activation of intracellular innate immune response. In recent years, I have focused on understanding how host cell innate immune pathways sense HCV infection and initiate the host response which involves type I interferon and proinflammatory cytokine production to regulate hepatic immunity. After recent transition to an independent junior faculty position at the University of Southern California (USC), Keck School of Medicine, my laboratory continues to investigate virus-host interactions that regulates disease outcome and pathogenesis of HCV infection. I have extensive expertise and skills in virology, cell signaling, cytokine biology, and cell biology.

      My role as a physician specializing in the care of viral hepatitis at an academic medical center offers the unique integration of basic science and clinical/translational science into the laboratory research program, allowing us to set our aim as "research for the better healthcare". My chief goal is to become an established physician scientist with the skills and knowledge necessary to pursue a lasting career dedicated to translating discoveries in molecular virology into clinical practice or development of novel therapies. USC is supported by two major centers for the study of liver diseases: 1) USC Research Center for Liver Diseases, and 2) Southern California Research Center for ALPD and Cirrhosis. These center directors serve as consultants for the research program and career development. In summary, I have substantial expertise and a track record in the field of innate immunology against viral infection and am efficiently establishing an independent research program in an environment well suited for the study of liver diseases.


       Biography 
       Awards and Honors
      ISICR2008International Society for Interferon & Cytokine Research Milstein Young Investigator Award
      Viral Hepatitis Research Foundation of Japan 2009Viral Hepatitis Research Foundation of Japan Research Fellowship
      AASLD and American Liver Foundation2010 - 2012Liver Scholar Award
      Japan Society of Hepatology20102010 Hepatology Research High Citation Award
      Baxter Foundation 2011Donald E. and Delia B. Baxter Foundation Faculty Fellow Award
      International Meeting on Hepatitis C Virus & Related Viruses2011Travel Scholarship for 18th International Meeting on Hepatitis C Virus & Related Viruses
      ISHSR2013Young Investigator Award International Symposium on Cells of the Hepatic Sinusoid
      NIH (NIAAA)2014 - 2016R21AA022751
      NIH (NIDDK)2015 - 2020R01DK101773
      American Federation For Medical Research2016Western Region American Federation For Medical Research (WAFMR) Outstanding Investigator Award

       ORNG Applications 
       Featured Publications
       Websites
       Required Scholarly Project Mentor

       Bibliographic 
       Publications
      Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Researchers can login to make corrections and additions, or contact us for help.
      List All   |   Timeline
      1. Wadhwa S, Kim TH, Lin L, Kanel G, Saito T. Hepatic angiosarcoma with clinical and histological features of Kasabach-Merritt syndrome. World J Gastroenterol. 2017 Apr 07; 23(13):2443-2447..
        View in: PubMed
      2. Elmasry S, Wadhwa S, Bang BR, Cook L, Chopra S, Kanel G, Kim B, Harper T, Feng Z, Jerome KR, Kahn J, Saito T. Detection of Occult Hepatitis C Virus Infection in Patients Who Achieved a Sustained Virologic Response to Direct-acting Antiviral Agents for Recurrent Infection After Liver Transplantation. Gastroenterology. 2016 Nov 9..
        View in: PubMed
      3. Zhu J, Khemichian S, Nghiem D, Zhang SR, Limurti J, Saito T, Fong TL. Comparison of Demographic and Clinical Characteristics of Hispanic and Asian Chronic Hepatitis B Patients in Southern California. J Clin Gastroenterol. 2016 Aug; 50(7):602-7..
        View in: PubMed
      4. Bang BR, Elmasry S, Saito T. Organ system view of the hepatic innate immunity in HCV infection. J Med Virol. 2016 Dec; 88(12):2025-2037..
        View in: PubMed
      5. Cho NE, Bang BR, Gurung P, Li M, Clemens DL, Underhill TM, James LP, Chase JR, Saito T. Retinoid Regulation of Antiviral Innate Immunity in Hepatocytes. Hepatology. 2015 Dec 5..
        View in: PubMed
      6. Minassian A, Zhang J, He S, Zhao J, Zandi E, Saito T, Liang C, Feng P. An Internally Translated MAVS Variant Exposes Its Amino-terminal TRAF-Binding Motifs to Deregulate Interferon Induction. PLoS Pathog. 2015 Jul; 11(7):e1005060..
        View in: PubMed
      7. Ooi EL, Chan ST, Cho NE, Wilkins C, Woodward J, Li M, Kikkawa U, Tellinghuisen T, Gale M, Saito T. Novel antiviral host factor, TNK1, regulates IFN signaling through serine phosphorylation of STAT1. Proc Natl Acad Sci U S A. 2014 Feb 4; 111(5):1909-14..
        View in: PubMed
      8. Nookala A, Saberi B, Ter-Oganesyan R, Kanel G, Duong P, Saito T. Isolated arterioportal fistula presenting with variceal hemorrhage. World J Gastroenterol. 2013 May 7; 19(17):2714-7..
        View in: PubMed
      9. Lau DT, Negash A, Chen J, Crochet N, Sinha M, Zhang Y, Guedj J, Holder S, Saito T, Lemon SM, Luxon BA, Perelson AS, Gale M. Innate immune tolerance and the role of kupffer cells in differential responses to interferon therapy among patients with HCV genotype 1 infection. Gastroenterology. 2013 Feb; 144(2):402-413.e12..
        View in: PubMed
      10. Malathi K, Saito T, Crochet N, Barton DJ, Gale M, Silverman RH. RNase L releases a small RNA from HCV RNA that refolds into a potent PAMP. RNA. 2010 Nov; 16(11):2108-19..
        View in: PubMed
      11. Saito T, Gale M. Differential recognition of double-stranded RNA by RIG-I-like receptors in antiviral immunity. J Exp Med. 2008 Jul 7; 205(7):1523-7..
        View in: PubMed
      12. Saito T, Owen DM, Jiang F, Marcotrigiano J, Gale M. Innate immunity induced by composition-dependent RIG-I recognition of hepatitis C virus RNA. Nature. 2008 Jul 24; 454(7203):523-7..
        View in: PubMed
      13. Saito T, Gale M. Regulation of innate immunity against hepatitis C virus infection. Hepatol Res. 2008; 38(2):115-22..
        View in: PubMed
      14. Saito T, Hirai R, Loo YM, Owen D, Johnson CL, Sinha SC, Akira S, Fujita T, Gale M. Regulation of innate antiviral defenses through a shared repressor domain in RIG-I and LGP2. Proc Natl Acad Sci U S A. 2007 Jan 9; 104(2):582-7..
        View in: PubMed
      15. Saito T, Gale M. Principles of intracellular viral recognition. Curr Opin Immunol. 2007 Feb; 19(1):17-23..
        View in: PubMed
      16. Loo YM, Owen DM, Li K, Erickson AK, Johnson CL, Fish PM, Carney DS, Wang T, Ishida H, Yoneyama M, Fujita T, Saito T, Lee WM, Hagedorn CH, Lau DT, Weinman SA, Lemon SM, Gale M. Viral and therapeutic control of IFN-beta promoter stimulator 1 during hepatitis C virus infection. Proc Natl Acad Sci U S A. 2006 Apr 11; 103(15):6001-6..
        View in: PubMed
      17. Morikawa K, Ito T, Nozawa H, Inokuchi M, Uchikoshi M, Saito T, Mitamura K, Imawari M. Translational enhancement of HCV RNA genotype 1b by 3'-untranslated and envelope 2 protein-coding sequences. Virology. 2006 Feb 20; 345(2):404-15..
        View in: PubMed
      18. Saito T, Ito T, Ishiko H, Yonaha M, Morikawa K, Miyokawa A, Mitamura K. Sequence analysis of PePHD within HCV E2 region and correlation with resistance of interferon therapy in Japanese patients infected with HCV genotypes 2a and 2b. Am J Gastroenterol. 2003 Jun; 98(6):1377-83..
        View in: PubMed
      19. Saito T, Tanaka S, Yoshida H, Imamura T, Ukegawa J, Seki T, Ikegami A, Yamamura F, Mikami T, Aoyagi Y, Niikawa J, Mitamura K. A case of autoimmune pancreatitis responding to steroid therapy. Evidence of histologic recovery. Pancreatology. 2002; 2(6):550-6..
        View in: PubMed
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