Education

Calcutta University, Kolkata, India, Bachelors, 1990, Physics
Dibrugarh University, Dibrugarh, India, Masters, 1994, Computer Applications
University of California, Berkeley, Masters, 2004, Biostatistics

Selected Publications

  1. Amrita Basu, Saumya Umashankar, Denise M. Wolf, Hannah Chay, Ritu Roy, Diane Heditsian, Thelma Brown, Beverly Parker, Abigail Abikoye, Susie Brain, Tina J. Hieken, Kathryn Jean Ruddy, Candace Bavette Mainor, Sarah Emily Amend Tevis, Anne Hudson Blaes, Shelly S. Lo, Adam B. Olshen, Michelle E. Melisko, Laura Esserman, Dawn L. Hershman. Identifying symptom clusters associated with acute and chronic fatigue in patients with breast cancer treated with neoadjuvant therapy on the I-SPY 2 trial. Journal of Clinical Oncology. 2024 Sep 30; 20(10_suppl):271-271.  View on PubMed
  2. Peretz CAC, Kennedy VE, Walia A, Delley CL, Koh A, Tran E, Clark IC, Hayford CE, D'Amato C, Xue Y, Fontanez KM, May-Zhang AA, Smithers T, Agam Y, Wang Q, Dai HP, Roy R, Logan AC, Perl AE, Abate A, Olshen A, Smith CC. Multiomic single cell sequencing identifies stemlike nature of mixed phenotype acute leukemia. Nat Commun. 2024 Sep 18; 15(1):8191.  View on PubMed
  3. Oppegaard KR, Mayo SJ, Armstrong TS, Dokiparthi V, Melisko M, Levine JD, Olshen AB, Anguera JA, Roy R, Paul S, Cooper B, Conley YP, Hammer MJ, Miaskowski C, Kober KM. Neurodegenerative disease pathways are perturbed in patients with cancer who self-report cognitive changes and anxiety: A pathway impact analysis. Cancer. 2024 Aug 15; 130(16):2834-2847.  View on PubMed
  4. Shin J, Miaskowski C, Wong ML, Yates P, Olshen AB, Roy R, Dokiparthi V, Cooper B, Paul S, Conley YP, Levine JD, Hammer MJ, Kober K. Perturbations in inflammatory pathways are associated with shortness of breath profiles in oncology patients receiving chemotherapy. Support Care Cancer. 2024 Mar 26; 32(4):250.  View on PubMed
  5. Kober KM, Berger L, Roy R, Olshen A. Torch-eCpG: a fast and scalable eQTM mapper for thousands of molecular phenotypes with graphical processing units. BMC Bioinformatics. 2024 Feb 14; 25(1):71.  View on PubMed
  6. Lisa Miller-Phillips, Imene Boukhalfa Hanafi, Sarah Umetsu, Adam Olshen, Ritu Roy, Ashley Kiemen, Man-Tzu Wang, Eric Collisson. Abstract B095: Leukemia inhibitory factor fosters tumor growth in KRAS-driven pancreatic ductal adenocarcinoma. Cancer Research. 2024 Jan 16; 84(2_Supplement):b095-b095.  View on PubMed
  7. Kadalayil L, Alam MZ, White CH, Ghantous A, Walton E, Gruzieva O, Merid SK, Kumar A, Roy RP, Solomon O, Huen K, Eskenazi B, Rzehak P, Grote V, Langhendries JP, Verduci E, Ferre N, Gruszfeld D, Gao L, Guan W, Zeng X, Schisterman EF, Dou JF, Bakulski KM, Feinberg JI, Soomro MH, Pesce G, Baiz N, Isaevska E, Plusquin M, Vafeiadi M, Roumeliotaki T, Langie SAS, Standaert A, Allard C, Perron P, Bouchard L, van Meel ER, Felix JF, Jaddoe VWV, Yousefi PD, Ramlau-Hansen CH, Relton CL, Tobi EW, Starling AP, Yang IV, Llambrich M, Santorelli G, Lepeule J, Salas LA, Bustamante M, Ewart SL, Zhang H, Karmaus W, Röder S, Zenclussen AC, Jin J, Nystad W, Page CM, Magnus M, Jima DD, Hoyo C, Maguire RL, Kvist T, Czamara D, Räikkönen K, Gong T, Ullemar V, Rifas-Shiman SL, Oken E, Almqvist C, Karlsson R, Lahti J, Murphy SK, Håberg SE, London S, Herberth G, Arshad H, Sunyer J, Grazuleviciene R, Dabelea D, Steegers-Theunissen RPM, Nohr EA, Sørensen TIA, Duijts L, Hivert MF, Nelen V, Popovic M, Kogevinas M, Nawrot TS, Herceg Z, Annesi-Maesano I, Fallin MD, Yeung E, Breton CV, Koletzko B, Holland N, Wiemels JL, Melén E, Sharp GC, Silver MJ, Rezwan FI, Holloway JW. Analysis of DNA methylation at birth and in childhood reveals changes associated with season of birth and latitude. Clin Epigenetics. 2023 09 11; 15(1):148.  View on PubMed
  8. Pariury H, Fandel J, Bachl S, Ang KK, Markossian S, Wilson CG, Braun BS, Popescu B, Wohlfeil M, Beckman K, Xirenayi S, Roy RP, Olshen AB, Smith C, Arkin MR, Loh ML, Diaz-Flores E. Venetoclax and dinaciclib elicit synergistic preclinical efficacy against hypodiploid acute lymphoblastic leukemia. Haematologica. 2023 05 01; 108(5):1272-1283.  View on PubMed
  9. Kober KM, Roy R, Conley Y, Dhruva A, Hammer MJ, Levine J, Olshen A, Miaskowski C. Prediction of morning fatigue severity in outpatients receiving chemotherapy: less may still be more. Support Care Cancer. 2023 Apr 11; 31(5):253.  View on PubMed
  10. Kober KM, Berger L, Roy R, Olshen A. Torch-eCpG: A fast and scalable eQTM mapper for thousands of molecular phenotypes with graphical processing units. bioRxiv. 2023 Mar 10.  View on PubMed
  11. Lee RH, Roy R, Li H, Hechmer A, Zhu TR, Izgutdina A, Olshen AB, Johnson DE, Grandis JR. Therapeutic implications of transcriptomics in head and neck cancer patient-derived xenografts. PLoS One. 2023; 18(3):e0282177.  View on PubMed
  12. Lauren K. Meyer, Ritu P. Roy, Petri Pölönen, Abdelrahman Elsayed, Benjamin J. Huang, Shunsuke Kimura, Cristina Delgado-Martin, Tiffaney L. Vincent, Theresa Ryan, Brent L. Wood, Zhiguo Chen, Yu Liu, Jinghui Zhang, Terzah M. Horton, Mignon L. Loh, Meenakshi Devidas, Elizabeth A. Raetz, Robert J. Hayashi, Stuart S. Winter, Kimberly P. Dunsmore, Stephen P. Hunger, Stanley B. Pounds, Michelle L. Hermiston, Jun J. Yang, Charles G. Mullighan, David T. Teachey, Adam B. Olshen. A Transcriptional Classifier Identifies Pediatric T-Cell Acute Lymphoblastic Leukemias at High Risk for End of Induction Minimal Residual Disease. Blood. 2022 Nov 15; 140(Supplement 1):1722-1723.  View on PubMed
  13. Cheryl Peretz, Vanessa E. Kennedy, Anushka Walia, Cyrille Delley, Andrew Koh, Elaine Tran, Iain Clark, Corey Hayford, Yi Xue, Chris D'Amato, Kristina Fontanez, Ritu P. Roy, Adam Olshen, Aaron C. Logan, Alexander E. Perl, Adam Abate, Catherine Smith. Multiomic Single-Cell Sequencing of Mixed Phenotypic Acute Leukemia (MPAL) Reveals Complex Immunophenotypic, Transcriptional, and Genetic Heterogeneity. Blood. 2022 Nov 15; 140(Supplement 1):9146-9147.  View on PubMed
  14. L. Meyer, Ritu P. Roy, B. Huang, S. Kimura, Petri Polonen, C. Delgado-Martin, T. Vincent, T. Ryan, B. Wood, Y. Liu, J. Zhang, C. Mullighan, T. Horton, M. Loh, M. Devidas, E. Raetz, R. Hayashi, S. Winter, K. Dunsmore, S. Hunger, D. Teachey, M. Hermiston, Adam B. Olshen. 049 A TARGETED GENE EXPRESSION CLASSIFIER IDENTIFIES PEDIATRIC T-ALL PATIENTS AT HIGH RISK FOR END INDUCTION MINIMAL RESIDUAL DISEASE POSITIVITY. Leukemia Research. 2022 Oct 1; 121:s34-s35.  View on PubMed
  15. Bouhaddou M, Lee RH, Li H, Bhola NE, O'Keefe RA, Naser M, Zhu TR, Nwachuku K, Duvvuri U, Olshen AB, Roy R, Hechmer A, Bolen J, Keysar SB, Jimeno A, Mills GB, Vandenberg S, Swaney DL, Johnson DE, Krogan NJ, Grandis JR. Caveolin-1 and Sox-2 are predictive biomarkers of cetuximab response in head and neck cancer. JCI Insight. 2021 10 22; 6(20).  View on PubMed
  16. Lauren K. Meyer, Ritu Roy, Benjamin J. Huang, Cristina Delgado-Martin, Tiffaney L. Vincent, Brent L. Wood, Yu Liu, Jinghui Zhang, Charles Grenfell Mullighan, Terzah M. Horton, Mignon L. Loh, Meenakshi Devidas, Elizabeth A. Raetz, Robert J. Hayashi, Stuart S. Winter, Kimberly P. Dunsmore, Stephen Hunger, David T. Teachey, Adam B. Olshen, Michelle L. Hermiston. Targeted gene expression classifier identifies pediatric T-cell acute lymphoblastic leukemia (T-ALL) patients at high risk for end induction minimal residual disease positivity. Journal of Clinical Oncology. 2021 May 20; 39(15_suppl):10002-10002.  View on PubMed
  17. Kober KM, Roy R, Dhruva A, Conley YP, Chan RJ, Cooper B, Olshen A, Miaskowski C. Prediction of evening fatigue severity in outpatients receiving chemotherapy: less may be more. Fatigue. 2021; 9(1):14-32.  View on PubMed
  18. Fitch B, Roy R, Geng H, Montecino-Rodriguez E, Bengtsson H, Gaillard C, Hiam K, Casero D, Olshen AB, Dorshkind K, Kogan SC. Human pediatric B-cell acute lymphoblastic leukemias can be classified as B-1 or B-2-like based on a minimal transcriptional signature. Exp Hematol. 2020 10; 90:65-71.e1.  View on PubMed
  19. Meyer LK, Huang BJ, Delgado-Martin C, Roy RP, Hechmer A, Wandler AM, Vincent TL, Fortina P, Olshen AB, Wood BL, Horton TM, Shannon KM, Teachey DT, Hermiston ML. Glucocorticoids paradoxically facilitate steroid resistance in T cell acute lymphoblastic leukemias and thymocytes. J Clin Invest. 2020 02 03; 130(2):863-876.  View on PubMed
  20. Afshar AR, Pekmezci M, Bloomer MM, Cadenas NJ, Stevers M, Banerjee A, Roy R, Olshen AB, Van Ziffle J, Onodera C, Devine WP, Grenert JP, Bastian BC, Solomon DA, Damato BE. Next-Generation Sequencing of Retinoblastoma Identifies Pathogenic Alterations beyond RB1 Inactivation That Correlate with Aggressive Histopathologic Features. Ophthalmology. 2020 06; 127(6):804-813.  View on PubMed

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