University of California San Francisco
Helen Diller Family Comprehensive Cancer Center
Ross Okimoto, MD

Ross Okimoto, MD

Adjunct Clinical Instructor, Division of Hematology/Oncology, UCSF

Research Summary

Dr. Okimoto is a medical oncologist who specializes in the treatment of adult sarcoma and lung cancer. He is a laboratory based physician-scientist who broadly aims to translate basic science discoveries into new therapies for patients with cancer. He is currently interested in understanding the molecular mechanisms that promote tumor dissemination and metastasis.

Selected Publications

  1. Okimoto RA, Bivona TG. Metastasis: From Head to Tail. Cell Cycle. 2017 Jan 05; 0.
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  2. Okimoto RA, Breitenbuecher F, Olivas VR, Wu W, Gini B, Hofree M, Asthana S, Hrustanovic G, Flanagan J, Tulpule A, Blakely CM, Haringsma HJ, Simmons AD, Gowen K, Suh J, Miller VA, Ali S, Schuler M, Bivona TG. Inactivation of Capicua drives cancer metastasis. Nat Genet. 2016 Nov 21.
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  3. Okimoto RA, Lin L, Olivas V, Chan E, Markegard E, Rymar A, Neel D, Chen X, Hemmati G, Bollag G, Bivona TG. Preclinical efficacy of a RAF inhibitor that evades paradoxical MAPK pathway activation in protein kinase BRAF-mutant lung cancer. Proc Natl Acad Sci U S A. 2016 Nov 9.
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  4. Premasekharan G, Gilbert E, Okimoto RA, Hamirani A, Lindquist KJ, Ngo VT, Roy R, Hough J, Edwards M, Paz R, Foye A, Sood R, Copren KA, Gubens M, Small EJ, Bivona TG, Collisson EA, Friedlander TW, Paris PL. An improved CTC isolation scheme for pairing with downstream genomics: Demonstrating clinical utility in metastatic prostate, lung and pancreatic cancer. Cancer Lett. 2016 Sep 28; 380(1):144-52.
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  5. Okimoto RA, Bivona TG. Tracking Down Response and Resistance to TRK Inhibitors. Cancer Discov. 2016 Jan; 6(1):14-6.
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  6. Hrustanovic G, Olivas V, Pazarentzos E, Tulpule A, Asthana S, Blakely CM, Okimoto RA, Lin L, Neel DS, Sabnis A, Flanagan J, Chan E, Varella-Garcia M, Aisner DL, Vaishnavi A, Ou SH, Collisson EA, Ichihara E, Mack PC, Lovly CM, Karachaliou N, Rosell R, Riess JW, Doebele RC, Bivona TG. RAS-MAPK dependence underlies a rational polytherapy strategy in EML4-ALK-positive lung cancer. Nat Med. 2015 Sep; 21(9):1038-47.
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  7. Okimoto RA, Bivona TG. AXL receptor tyrosine kinase as a therapeutic target in NSCLC. Lung Cancer (Auckl). 2015; 6:27-34.
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  8. Okimoto RA, Perry A, Rubenstein JL. 77-year-old woman with a dural-based mass. Marginal zone B-cell lymphoma (MZBCL). Brain Pathol. 2015 Jan; 25(1):111-2.
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  9. Okimoto RA, Bivona TG. Recent advances in personalized lung cancer medicine. Per Med. 2014; 11(3):309-321.
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  10. Okimoto RA, Van Etten RA. Navigating the road toward optimal initial therapy for chronic myeloid leukemia. Curr Opin Hematol. 2011 Mar; 18(2):89-97.
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  11. Kim WJ, Okimoto RA, Purton LE, Goodwin M, Haserlat SM, Dayyani F, Sweetser DA, McClatchey AI, Bernard OA, Look AT, Bell DW, Scadden DT, Haber DA. Mutations in the neutral sphingomyelinase gene SMPD3 implicate the ceramide pathway in human leukemias. Blood. 2008 May 1; 111(9):4716-22.
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  12. Hur J, Bell DW, Dean KL, Coser KR, Hilario PC, Okimoto RA, Tobey EM, Smith SL, Isselbacher KJ, Shioda T. Regulation of expression of BIK proapoptotic protein in human breast cancer cells: p53-dependent induction of BIK mRNA by fulvestrant and proteasomal degradation of BIK protein. Cancer Res. 2006 Oct 15; 66(20):10153-61.
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  13. Kwak EL, Jankowski J, Thayer SP, Lauwers GY, Brannigan BW, Harris PL, Okimoto RA, Haserlat SM, Driscoll DR, Ferry D, Muir B, Settleman J, Fuchs CS, Kulke MH, Ryan DP, Clark JW, Sgroi DC, Haber DA, Bell DW. Epidermal growth factor receptor kinase domain mutations in esophageal and pancreatic adenocarcinomas. Clin Cancer Res. 2006 Jul 15; 12(14 Pt 1):4283-7.
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  14. Smolen GA, Muir B, Mohapatra G, Barmettler A, Kim WJ, Rivera MN, Haserlat SM, Okimoto RA, Kwak E, Dahiya S, Garber JE, Bell DW, Sgroi DC, Chin L, Deng CX, Haber DA. Frequent met oncogene amplification in a Brca1/Trp53 mouse model of mammary tumorigenesis. Cancer Res. 2006 Apr 1; 66(7):3452-5.
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  15. Smolen GA, Sordella R, Muir B, Mohapatra G, Barmettler A, Archibald H, Kim WJ, Okimoto RA, Bell DW, Sgroi DC, Christensen JG, Settleman J, Haber DA. Amplification of MET may identify a subset of cancers with extreme sensitivity to the selective tyrosine kinase inhibitor PHA-665752. Proc Natl Acad Sci U S A. 2006 Feb 14; 103(7):2316-21.
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  16. Lynch HT, de la Chapelle A, Hampel H, Wagner A, Fodde R, Lynch JF, Okimoto R, Clark MB, Coronel S, Trowonou A, Fu YX, Haynatzki GR, Gong G. American founder mutation for Lynch syndrome. Prevalence estimates and implications. Cancer. 2006 Jan 15; 106(2):448-52.
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  17. Cohen EE, Lingen MW, Martin LE, Harris PL, Brannigan BW, Haserlat SM, Okimoto RA, Sgroi DC, Dahiya S, Muir B, Clark JR, Rocco JW, Vokes EE, Haber DA, Bell DW. Response of some head and neck cancers to epidermal growth factor receptor tyrosine kinase inhibitors may be linked to mutation of ERBB2 rather than EGFR. Clin Cancer Res. 2005 Nov 15; 11(22):8105-8.
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  18. Bell DW, Gore I, Okimoto RA, Godin-Heymann N, Sordella R, Mulloy R, Sharma SV, Brannigan BW, Mohapatra G, Settleman J, Haber DA. Inherited susceptibility to lung cancer may be associated with the T790M drug resistance mutation in EGFR. Nat Genet. 2005 Dec; 37(12):1315-6.
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  19. Bell DW, Lynch TJ, Haserlat SM, Harris PL, Okimoto RA, Brannigan BW, Sgroi DC, Muir B, Riemenschneider MJ, Iacona RB, Krebs AD, Johnson DH, Giaccone G, Herbst RS, Manegold C, Fukuoka M, Kris MG, Baselga J, Ochs JS, Haber DA. Epidermal growth factor receptor mutations and gene amplification in non-small-cell lung cancer: molecular analysis of the IDEAL/INTACT gefitinib trials. J Clin Oncol. 2005 Nov 1; 23(31):8081-92.
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  20. Kwak EL, Sordella R, Bell DW, Godin-Heymann N, Okimoto RA, Brannigan BW, Harris PL, Driscoll DR, Fidias P, Lynch TJ, Rabindran SK, McGinnis JP, Wissner A, Sharma SV, Isselbacher KJ, Settleman J, Haber DA. Irreversible inhibitors of the EGF receptor may circumvent acquired resistance to gefitinib. Proc Natl Acad Sci U S A. 2005 May 24; 102(21):7665-70.
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