Robert Bok, MD, PhD

Assistant Professor, Department of Radiology, UCSF

robert.bok@radiology.ucsf.edu

Phone: (415) 353-9410 (voice)
Box 2520, UCSF
San Francisco, CA 94143-2520

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Education

Professional Experience

• 1980-84
  Biochemical studies on the regulation of plasminogen activation by fibrin and lysine-binding sites, University of Illinois, Biochemistry Department. Advisor: Walter Mangel, Ph.D.- As Graduate Student
• 1984-85
  Studies on the distribution of ubiquitin, a regulator of intracellular proteolysis, in biological systems, St. Jude Children's Research hospital, Memphis, TN. Advisor: Victor Fried, Ph.D. -- as Post-Doc
• 1985-86
  Summer research project on evaluation of small molecule serine protease inhibitor in cell culture system, Children's Hospital, university of Southern California, Los Angeles, CA Advisor: Walter Laug, M.D. -- as Medical Student
• 1987
  Research elective studying inhibition of tumor angiogensis by the antibiotic minocycline, Johns Hopkins Hospital, Brain Tumor Lab, Baltimore MD. Advisor: Henry Brem, M.D. -- as Medical Student
• 1988
  Research elective investigating serum of patients with Thrombotic Thrombocytopenic Purpura (TTP) for potential anti-endothelial cell auto-antibodies, Johns Hopkins Hospital, Hematology Division, Baltimore, MD. Advisor: William Bell M.D. -- As Medical Student
• 1990
  Research honors rotation studying the effect of HSB on Plasminogen Activator Inhibitor -- 1 (PAI-1) expression by endothelal Cells, University of Minnesota, Hematology Division, Dept. of Medicine, Minneapolis, MN. Advisor: Greg Vercellotti, M.D. -- As Medical Resident
• 1992-96
  Isolation and characterization of genomic fragments of the murine beta3 integrin gene for purposes of homologous recombination, Hematology-Oncology Division, Univ. of Calif., San Francisco. Advisor: Marc Shuman, M.D. -- As Hematology-Oncology Fellow
• 1996-98
  Characterization of integrins in basal cells of prostatic epithelium; Targeting of recombinant proteins to platelet granules via Dodecapeptide sequence, Hem.-Onc. Div., UCSF. Advisor: Marc Shuman, M.D. -- As Visiting Post-Doc
• 1998-2000
  Clinical Instructor, Urological Oncology Program, UCSF/Mt. Zion Cancer Center, San Francisco, CA. Assistant Clinical Professor appointment pending. Establishment of TRAMP transgenic mouse colony and protease expression analysis in conjunction with the Protease Project Group at UCSF.

Selected Publications

1. von Morze C, Bok RA, Reed GD, Ardenkjaer-Larsen JH, Kurhanewicz J, Vigneron DB. Simultaneous multiagent hyperpolarized (13) C perfusion imaging. Magn Reson Med. 2013 Dec 31.
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2. Park I, Larson PE, Tropp JL, Carvajal L, Reed G, Bok R, Robb F, Bringas J, Kells A, Pivirotto P, Bankiewicz K, Vigneron DB, Nelson SJ. Dynamic hyperpolarized carbon-13 MR metabolic imaging of nonhuman primate brain. Magn Reson Med. 2014 Jan; 71(1):19-25.
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3. Reed GD, von Morze C, Bok R, Koelsch BL, Van Criekinge M, Smith KJ. High resolution (13)c MRI with hyperpolarized urea: in vivo t2 mapping and (15)n labeling effects. IEEE Trans Med Imaging. 2014 Feb; 33(2):362-71.
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4. Nelson SJ, Kurhanewicz J, Vigneron DB, Larson PE, Harzstark AL, Ferrone M, van Criekinge M, Chang JW, Bok R, Park I, Reed G, Carvajal L, Small EJ, Munster P, Weinberg VK, Ardenkjaer-Larsen JH, Chen AP, Hurd RE, Odegardstuen LI, Robb FJ, Tropp J, Murray JA. Metabolic imaging of patients with prostate cancer using hyperpolarized [1-¹³C]pyruvate. Sci Transl Med. 2013 Aug 14; 5(198):198ra108.
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5. Swisher CL, Larson PE, Kruttwig K, Kerr AB, Hu S, Bok RA, Goga A, Pauly JM, Nelson SJ, Kurhanewicz J, Vigneron DB. Quantitative measurement of cancer metabolism using stimulated echo hyperpolarized carbon-13 MRS. Magn Reson Med. 2014 Jan; 71(1):1-11.
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6. Ohliger MA, Larson PE, Bok RA, Shin P, Hu S, Tropp J, Robb F, Carvajal L, Nelson SJ, Kurhanewicz J, Vigneron DB. Combined parallel and partial fourier MR reconstruction for accelerated 8-channel hyperpolarized carbon-13 in vivo magnetic resonance Spectroscopic imaging (MRSI). J Magn Reson Imaging. 2013 Sep; 38(3):701-13.
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7. Larson PE, Hurd RE, Kerr AB, Pauly JM, Bok RA, Kurhanewicz J, Vigneron DB. Perfusion and diffusion sensitive 13C stimulated-echo MRSI for metabolic imaging of cancer. Magn Reson Imaging. 2013 Jun; 31(5):635-42.
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8. Hu S, Larson PE, Vancriekinge M, Leach AM, Park I, Leon C, Zhou J, Shin PJ, Reed G, Keselman P, von Morze C, Yoshihara H, Bok RA, Nelson SJ, Kurhanewicz J, Vigneron DB. Rapid sequential injections of hyperpolarized [1-¹³C]pyruvate in vivo using a sub-kelvin, multi-sample DNP polarizer. Magn Reson Imaging. 2013 May; 31(4):490-6.
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9. von Morze C, Sukumar S, Reed GD, Larson PE, Bok RA, Kurhanewicz J, Vigneron DB. Frequency-specific SSFP for hyperpolarized ¹³C metabolic imaging at 14.1 T. Magn Reson Imaging. 2013 Feb; 31(2):163-70.
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10. Park I, Hu S, Bok R, Ozawa T, Ito M, Mukherjee J, Phillips JJ, James CD, Pieper RO, Ronen SM, Vigneron DB, Nelson SJ. Evaluation of heterogeneous metabolic profile in an orthotopic human glioblastoma xenograft model using compressed sensing hyperpolarized 3D 13C magnetic resonance spectroscopic imaging. Magn Reson Med. 2013 Jul; 70(1):33-9.
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11. Hu S, Yoshihara HA, Bok R, Zhou J, Zhu M, Kurhanewicz J, Vigneron DB. Use of hyperpolarized [1-13C]pyruvate and [2-13C]pyruvate to probe the effects of the anticancer agent dichloroacetate on mitochondrial metabolism in vivo in the normal rat. Magn Reson Imaging. 2012 Dec; 30(10):1367-72.
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12. von Morze C, Bok RA, Sands JM, Kurhanewicz J, Vigneron DB. Monitoring urea transport in rat kidney in vivo using hyperpolarized ¹³C magnetic resonance imaging. Am J Physiol Renal Physiol. 2012 Jun 15; 302(12):F1658-62.
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13. Reed GD, Larson PE, Morze Cv, Bok R, Lustig M, Kerr AB, Pauly JM, Kurhanewicz J, Vigneron DB. A method for simultaneous echo planar imaging of hyperpolarized ¹³C pyruvate and ¹³C lactate. J Magn Reson. 2012 Apr; 217:41-7.
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14. Costello LC, Franklin RB, Zou J, Feng P, Bok R, Swanson MG, Kurhanewicz J. Human prostate cancer ZIP1/zinc/citrate genetic/metabolic relationship in the TRAMP prostate cancer animal model. Cancer Biol Ther. 2011 Dec 15; 12(12):1078-84.
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15. von Morze C, Larson PE, Hu S, Yoshihara HA, Bok RA, Goga A, Ardenkjaer-Larsen JH, Vigneron DB. Investigating tumor perfusion and metabolism using multiple hyperpolarized (13)C compounds: HP001, pyruvate and urea. Magn Reson Imaging. 2012 Apr; 30(3):305-11.
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16. Keshari KR, Kurhanewicz J, Bok R, Larson PE, Vigneron DB, Wilson DM. Hyperpolarized 13C dehydroascorbate as an endogenous redox sensor for in vivo metabolic imaging. Proc Natl Acad Sci U S A. 2011 Nov 15; 108(46):18606-11.
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17. Hu S, Zhu M, Yoshihara HA, Wilson DM, Keshari KR, Shin P, Reed G, von Morze C, Bok R, Larson PE, Kurhanewicz J, Vigneron DB. In vivo measurement of normal rat intracellular pyruvate and lactate levels after injection of hyperpolarized [1-(13)C]alanine. Magn Reson Imaging. 2011 Oct; 29(8):1035-40.
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18. Hu S, Balakrishnan A, Bok RA, Anderton B, Larson PE, Nelson SJ, Kurhanewicz J, Vigneron DB, Goga A. 13C-pyruvate imaging reveals alterations in glycolysis that precede c-Myc-induced tumor formation and regression. Cell Metab. 2011 Jul 6; 14(1):131-42.
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19. Park I, Bok R, Ozawa T, Phillips JJ, James CD, Vigneron DB, Ronen SM, Nelson SJ. Detection of early response to temozolomide treatment in brain tumors using hyperpolarized 13C MR metabolic imaging. J Magn Reson Imaging. 2011 Jun; 33(6):1284-90.
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20. von Morze C, Reed G, Shin P, Larson PE, Hu S, Bok R, Vigneron DB. Multi-band frequency encoding method for metabolic imaging with hyperpolarized [1-(13)C]pyruvate. J Magn Reson. 2011 Aug; 211(2):109-13.
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