Hematology and Oncology Fellow
University of Pennsylvania

Hi! I'm a hematology and oncology fellow at the University of Pennsylvania. I was trained in internal medicine at the Massachusetts General Hospital. Prior to this, I studied Chemical and Physical Biology -- and minored in Math -- at Harvard College. Afterward, I went to Harvard Medical School where I was supported by the Howard Hughes Medical Institute research fellowship. I've done research in iron metabolism, genetics, and hematology. In my spare time, I like to create music, play chess, climb rocks, and write poetry.

2024-2026
University of Pennsylvania
Clinical Fellow
Hematology and Oncology
Masters of Science in Clinical Epidemiology
2020-2023
Massachusetts General Hospital
MGH/NWH Chief Resident
Internal Medicine
ASH HONORS Fellow
2015-2020
Harvard Medical School
Pathways MD program
HHMI Research Fellow
Advisor: Vijay Sankaran
2011-2015
Harvard College
BA, Chemical and Physical Biology
Secondary Field, Mathematics
Thesis Advisor: Paula Fraenkel



Selected Publications

  • A case report of mesenteric and portal vein thrombosis in a patient with Fusobacterium nucleatum bacteremia

    Aaron Cheng, Jamie O. Brett, Jaspreet Sandhu, Lucy Morse, Rebecca Liu, Junsung Rho, Victor Chiappa, Kathy M. Tran
    Thrombosis Update, 2021
    [Paper]

  • The genetics of human hematopoiesis and its disruption in disease

    Erik L. Bao*, Aaron Cheng*, Vijay G. Sankaran
    EMBO Molecular Medicine, 2019
    [Paper]

  • Macrothrombocytopenia associated with a rare GFI1B missense variant confounding the presentation of immune thrombocytopenia

    Aaron Cheng, Erik L. Bao, Claudia Fiorini, Vijay G. Sankaran
    Pediatric Blood and Cancer, 2019
    [Paper]

  • The genetic landscape of Diamond-Blackfan Anemia

    Jacob C. Ulirsch, Jeffrey M. Verboon, Shideh Kazerounian, Michael H. Guo, Daniel Yuan, Leif S. Ludwig, Robert E. Handsaker, Nour J. Abdulhay, Claudia Fiorini, Giulio Genovese, Elaine T. Lim, Aaron Cheng, Beryl B. Cummings, Katherine R. Chao, Alan H. Beggs, Casie A. Genetti, Colin A. Sieff, Peter E. Newburger, Edyta Niewiadomska, Michal Matysiak, Adrianna Vlachos, Jeffrey M. Lipton, Eva Atsidaftos, Bertil Glader, Anupama Narla, Pierre-Emmanuel Gleizes, Marie-Francoise O’Donohue, Nathalie Montel-Lehry, David J. Amor, Steven A. McCarroll, Anne H. O’Donnell-Luria, Namrata Gupta, Stacey B. Gabriel, Daniel G. MacArthur, Eric S. Lander, Monkol Lek, Lydie Da Costa, David G. Nathan, Andrei A. Korostelev, Ron Do, Vijay G. Sankaran, and Hanna T. Gazda
    The American Journal of Human Genetics, 2018
    [Paper]

  • Nicotinamide N-Methyltransferase expression decreases in iron overload, exacerbating toxicity in mouse hepatocytes

    Tiago Koppe, Bonnie Patchen, Aaron Cheng, Manoj Bhasin, Chris Vulpe, Robert E. Schwartz, Jose Maria Moreno-Navarrete, Jose Manuel Fernandez-Real, Pavlos Pissios, and Paula G. Fraenkel
    Hepatology Communications, 2017
    [Paper]

  • Dietary supplementation with ipriflavone decreases hepatic iron stores in wild type mice

    Bonnie Patchen, Tiago Koppe, Aaron Cheng, Young Ah Seo, Marianne Wessling-Resnick, Paula G. Fraenkel
    Blood Cells, Molecules, and Diseases, 2016
    [Paper]