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Aaron Tward, MD, PhD

TitleAssistant Professor
SchoolUCSF School of Medicine
DepartmentOtolaryngology
Phone415-353-2757
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    Collapse Biography 
    Collapse Education and Training
    UCLAB.S.1999Microbiology and Molecular Genetics
    UCLAM.A.1999Microbiology and Molecular Genetics
    UCSFPh.D.2005Biomedical Sciences
    UCSFM.D.2007Medicine
    Harvard Medical School/Massachusetts Eye and Ear InfirmaryResidency2012Otolaryngology - Head and Neck Surgery
    Harvard Medical School/Massachusetts Eye and Ear InfirmaryFellowship2014Neurotology

    Collapse Overview 
    Collapse Overview
    Aaron D. Tward M.D., Ph.D., is a board-certified, fellowship-trained surgeon who specializes in the diagnosis and treatment of disorders of the ear and skull base.

    Dr. Tward has particular clinical interests in cochlear implantation, management of benign and malignant tumors of the skull base including acoustic neuroma (vestibular schwannoma), surgery for chronic otitis media, stapedectomy, superior semi-circular canal dehiscence repair, and endoscopic surgery of the ear and skull base.

    Dr. Tward’s research interests include tumor biology, the genetics and genomics of disorders of the head and neck, the development and physiology of the organs of hearing, and clinical outcomes of surgery of the ear and skull base.

    Education and Training:
    • Undergraduate: University of California, Los Angeles, B.S. - Microbiology and Molecular Genetics
    • Graduate School: University of California, Los Angeles, M.A. - Microbiology and Molecular Genetics, Lab of A. Jake Lusis
    • Graduate School: University of California, San Francisco, Ph.D. - Biomedical Sciences, Lab of J. Michael Bishop
    • Medical School: University of California, San Francisco, M.D.
    • Internship: Brigham and Women’s Hospital, Harvard Medical School - General Surgery

    • Residency: Otolaryngology – Head and Neck Surgery
    Harvard Medical School Residency Program in Otolaryngology
    Massachusetts Eye and Ear Infirmary
    Massachusetts General Hospital
    Brigham and Women’s Hospital
    Beth Israel-Deaconess Medical Center
    Boston Children’s Hospital

    • Clinical Fellowship: Otology, Neurotology, and Skull Base Surgery
    Harvard Medical School
    Massachusetts Eye and Ear Infirmary
    Massachusetts General Hospital
    (Michael J. McKenna and Daniel J. Lee Fellowship directors)

    • Post Doctoral: The Broad Institute of MIT and Harvard
    Lab of Todd R. Golub

    • Diplomate, American Board of Otolaryngology
    • License, Medical Board of California


    Collapse Bibliographic 
    Collapse 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. Breshears JD, Chang J, Molinaro AM, Sneed PK, McDermott MW, Tward A, Theodosopoulos PV. Temporal Dynamics of Pseudoprogression After Gamma Knife Radiosurgery for Vestibular Schwannomas-A Retrospective Volumetric Study. Neurosurgery. 2018 Mar 05. PMID: 29518221.
      View in: PubMed
    2. Emmerson E, May AJ, Berthoin L, Cruz-Pacheco N, Nathan S, Mattingly AJ, Chang JL, Ryan WR, Tward A, Knox SM. Salivary glands regenerate after radiation injury through SOX2-mediated secretory cell replacement. EMBO Mol Med. 2018 Jan 15. PMID: 29335337.
      View in: PubMed
    3. Farmer DT, Nathan S, Finley JK, Shengyang Yu K, Emmerson E, Byrnes LE, Sneddon JB, McManus MT, Tward A, Knox SM. Defining epithelial cell dynamics and lineage relationships in the developing lacrimal gland. Development. 2017 07 01; 144(13):2517-2528. PMID: 28576768.
      View in: PubMed
    4. Camarda R, Zhou AY, Kohnz RA, Balakrishnan S, Mahieu C, Anderton B, Eyob H, Kajimura S, Tward A, Krings G, Nomura DK, Goga A. Inhibition of fatty acid oxidation as a therapy for MYC-overexpressing triple-negative breast cancer. Nat Med. 2016 04; 22(4):427-32. PMID: 26950360; PMCID: PMC4892846.
      View in: PubMed, PubMed Central
    5. Puram SV, Tward A, Jung DH, Dilger AE, Herrmann BS, Duhaime AC, Barker FG, Lee DJ. Auditory brainstem implantation in a 16-month-old boy with cochlear hypoplasia. Otol Neurotol. 2015 Apr; 36(4):618-24. PMID: 25473959.
      View in: PubMed
    6. Li J, Chanrion M, Sawey E, Wang T, Chow E, Tward A, Su Y, Xue W, Lucito R, Zender L, Lowe SW, Bishop JM, Powers S. Reciprocal interaction of Wnt and RXR-a pathways in hepatocyte development and hepatocellular carcinoma. PLoS One. 2015; 10(3):e0118480. PMID: 25738607; PMCID: PMC4349704.
      View in: PubMed, PubMed Central
    7. Mroz EA, Tward A, Hammon RJ, Ren Y, Rocco JW. Intra-tumor genetic heterogeneity and mortality in head and neck cancer: analysis of data from the Cancer Genome Atlas. PLoS Med. 2015 Feb; 12(2):e1001786. PMID: 25668320; PMCID: PMC4323109.
      View in: PubMed, PubMed Central
    8. Comprehensive genomic characterization of head and neck squamous cell carcinomas. Nature. 2015 Jan 29; 517(7536):576-82. PMID: 25631445; PMCID: PMC4311405.
      View in: PubMed, PubMed Central
    9. Parfenov M, Pedamallu CS, Gehlenborg N, Freeman SS, Danilova L, Bristow CA, Lee S, Hadjipanayis AG, Ivanova EV, Wilkerson MD, Protopopov A, Yang L, Seth S, Song X, Tang J, Ren X, Zhang J, Pantazi A, Santoso N, Xu AW, Mahadeshwar H, Wheeler DA, Haddad RI, Jung J, Ojesina AI, Issaeva N, Yarbrough WG, Hayes DN, Grandis JR, El-Naggar AK, Meyerson M, Park PJ, Chin L, Seidman JG, Hammerman PS, Kucherlapati R. Characterization of HPV and host genome interactions in primary head and neck cancers. Proc Natl Acad Sci U S A. 2014 Oct 28; 111(43):15544-9. PMID: 25313082; PMCID: PMC4217452.
      View in: PubMed, PubMed Central
    10. Mroz EA, Tward A, Pickering CR, Myers JN, Ferris RL, Rocco JW. High intratumor genetic heterogeneity is related to worse outcome in patients with head and neck squamous cell carcinoma. Cancer. 2013 Aug 15; 119(16):3034-42. PMID: 23696076; PMCID: PMC3735618.
      View in: PubMed, PubMed Central
    11. Stransky N, Egloff AM, Tward A, Kostic AD, Cibulskis K, Sivachenko A, Kryukov GV, Lawrence MS, Sougnez C, McKenna A, Shefler E, Ramos AH, Stojanov P, Carter SL, Voet D, Cortés ML, Auclair D, Berger MF, Saksena G, Guiducci C, Onofrio RC, Parkin M, Romkes M, Weissfeld JL, Seethala RR, Wang L, Rangel-Escareño C, Fernandez-Lopez JC, Hidalgo-Miranda A, Melendez-Zajgla J, Winckler W, Ardlie K, Gabriel SB, Meyerson M, Lander ES, Getz G, Golub TR, Garraway LA, Grandis JR. The mutational landscape of head and neck squamous cell carcinoma. Science. 2011 Aug 26; 333(6046):1157-60. PMID: 21798893; PMCID: PMC3415217.
      View in: PubMed, PubMed Central
    12. Lee SA, Ho C, Roy R, Kosinski C, Patil MA, Tward A, Fridlyand J, Chen X. Integration of genomic analysis and in vivo transfection to identify sprouty 2 as a candidate tumor suppressor in liver cancer. Hepatology. 2008 Apr; 47(4):1200-10. PMID: 18214995.
      View in: PubMed
    13. Tward A, Jones KD, Yant S, Cheung ST, Fan ST, Chen X, Kay MA, Wang R, Bishop JM. Distinct pathways of genomic progression to benign and malignant tumors of the liver. Proc Natl Acad Sci U S A. 2007 Sep 11; 104(37):14771-6. PMID: 17785413; PMCID: PMC1964540.
      View in: PubMed, PubMed Central
    14. Goga A, Yang D, Tward A, Morgan DO, Bishop JM. Inhibition of CDK1 as a potential therapy for tumors over-expressing MYC. Nat Med. 2007 Jul; 13(7):820-7. PMID: 17589519.
      View in: PubMed
    15. Sneddon JB, Zhen HH, Montgomery K, van de Rijn M, Tward A, West R, Gladstone H, Chang HY, Morganroth GS, Oro AE, Brown PO. Bone morphogenetic protein antagonist gremlin 1 is widely expressed by cancer-associated stromal cells and can promote tumor cell proliferation. Proc Natl Acad Sci U S A. 2006 Oct 03; 103(40):14842-7. PMID: 17003113; PMCID: PMC1578503.
      View in: PubMed, PubMed Central
    16. Bhasin KK, Yu JM, Tward A, Shih D, Campbell DA, Lusis AJ. Trypanosoma congolense: paraoxonase 1 prolongs survival of infected mice. Exp Parasitol. 2006 Nov; 114(3):240-5. PMID: 16682028.
      View in: PubMed
    17. Sheth SS, Bodnar JS, Ghazalpour A, Thipphavong CK, Tsutsumi S, Tward A, Demant P, Kodama T, Aburatani H, Lusis AJ. Hepatocellular carcinoma in Txnip-deficient mice. Oncogene. 2006 Jun 15; 25(25):3528-36. PMID: 16607285.
      View in: PubMed
    18. Furlong CE, Cole TB, Jarvik GP, Pettan-Brewer C, Geiss GK, Richter RJ, Shih DM, Tward A, Lusis AJ, Costa LG. Role of paraoxonase (PON1) status in pesticide sensitivity: genetic and temporal determinants. Neurotoxicology. 2005 Aug; 26(4):651-9. PMID: 16112327.
      View in: PubMed
    19. Cole TB, Walter BJ, Shih DM, Tward A, Lusis AJ, Timchalk C, Richter RJ, Costa LG, Furlong CE. Toxicity of chlorpyrifos and chlorpyrifos oxon in a transgenic mouse model of the human paraoxonase (PON1) Q192R polymorphism. Pharmacogenet Genomics. 2005 Aug; 15(8):589-98. PMID: 16007003.
      View in: PubMed
    20. Tward A, Jones KD, Yant S, Kay MA, Wang R, Bishop JM. Genomic progression in mouse models for liver tumors. Cold Spring Harb Symp Quant Biol. 2005; 70:217-24. PMID: 16869757.
      View in: PubMed
    21. Furlong CE, Cole TB, Walter BJ, Shih DM, Tward A, Lusis AJ, Timchalk C, Richter RJ, Costa LG. Paraoxonase 1 (PON1) status and risk of insecticide exposure. J Biochem Mol Toxicol. 2005; 19(3):182-3. PMID: 15977192.
      View in: PubMed
    22. Araujo JA, Meng L, Tward A, Hancock WW, Zhai Y, Lee A, Ishikawa K, Iyer S, Buelow R, Busuttil RW, Shih DM, Lusis AJ, Kupiec-Weglinski JW. Systemic rather than local heme oxygenase-1 overexpression improves cardiac allograft outcomes in a new transgenic mouse. J Immunol. 2003 Aug 01; 171(3):1572-80. PMID: 12874251.
      View in: PubMed
    23. Cole TB, Jampsa RL, Walter BJ, Arndt TL, Richter RJ, Shih DM, Tward A, Lusis AJ, Jack RM, Costa LG, Furlong CE. Expression of human paraoxonase (PON1) during development. Pharmacogenetics. 2003 Jun; 13(6):357-64. PMID: 12777966.
      View in: PubMed
    24. Tward A, Xia YR, Wang XP, Shi YS, Park C, Castellani LW, Lusis AJ, Shih DM. Decreased atherosclerotic lesion formation in human serum paraoxonase transgenic mice. Circulation. 2002 Jul 23; 106(4):484-90. PMID: 12135950.
      View in: PubMed
    25. Tward A, Patterson HA. MSJAMA. From grave robbing to gifting: cadaver supply in the United States. JAMA. 2002 Mar 06; 287(9):1183. PMID: 11879122.
      View in: PubMed
    26. Li WF, Costa LG, Richter RJ, Hagen T, Shih DM, Tward A, Lusis AJ, Furlong CE. Catalytic efficiency determines the in-vivo efficacy of PON1 for detoxifying organophosphorus compounds. Pharmacogenetics. 2000 Dec; 10(9):767-79. PMID: 11191881.
      View in: PubMed
    27. Gatti RA, Tward A, Concannon P. Cancer risk in ATM heterozygotes: a model of phenotypic and mechanistic differences between missense and truncating mutations. Mol Genet Metab. 1999 Dec; 68(4):419-23. PMID: 10607471.
      View in: PubMed
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