Julia T. Warren, MD, PhD

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Julia T. Warren, MD, PhD, is a hematologist with the Division of Hematology at Children's Hospital of Philadelphia.

Appointments and Referrals: 1-800-TRY-CHOP (1-800-879-2467)


Julia T. Warren, MD, PhD, joined Children's Hospital of Philadelphia in fall 2022. She is a hematologist with the Division of Hematology and the Pediatric Comprehensive Bone Marrow Failure Program. Recently, she took some time to answer questions about her professional and personal life.

Education and Training

Medical School

MD - Washington University in St. Louis School of Medicine, St. Louis, MO


Pediatrics - Washington University/ Saint Louis Children’s Hospital, St. Louis, MO


Clinical/Research Fellow - Washington University/ Saint Louis Children’s Hospital, St. Louis, MO

Board Certification

Pediatrics – American Board of Pediatrics

Graduate Degree

PhD in Immunology - Washington University in St. Louis School of Medicine, St. Louis, MO

Titles and Academic Titles


Conditions Treated

Departments and Services




Warren, JT, Di Paola, J. “Genetics of Inherited Thrombocytopenia”. Blood, February 2022.

Warren, JT, Cupo, RR, Wattanasirakul, P, Spencer, DH, Locke, AE, Makaryan, V, Bolyard, AA, Kingston, NK, Kelley, ML, Shorter, J, Bellanne-Chantelot, C, Donadieu, J, Dale, DC, Link, DC. “Heterozygous Variants of CLPB are a Cause of Severe Congenital Neutropenia.” Blood, February 2022


Warren, JT, Link DC. “Impaired Myelopoiesis in Congenital Neutropenia: Insights into Clonal and Malignant Hematopoiesis”. Hematology Am Soc Hematol Educ Program, 2021.


Warren JT, Link DC. “Clonal Hematopoiesis and Risk for Hematology Malignancy.” Blood, October 2020. PMID: 32736382.

Blincoe A, Heeg M, Campbell PK, Hines M, Khojah A, Klein-Gitelman M, Talano JA, Speckmann C, Touzot F, Lankester A, Legger GE, Rivière JG, Garcia-Prat M, Alonso L, Putti MC, Lehmberg K, Maier S, El Chazli Y, Elmaksoud MA, Astigarraga I, Kurjane N, Bulina I, Kenina V, Bryceson Y, Rascon J, Lortie A, Goldstein G, Booth C, Worth A, Wassmer E, Schmitt EG, Warren JT, Bednarski JJ, Ali S, Chiang KY, Krueger J, Henry MM, Holland SM, Marsh RA, Ehl S, Haddad E. Neuroinflammatory Disease as an Isolated Manifestation of Hemophagocytic Lymphohistiocytosis. J Clin Immunol. 2020;40(6):901-916. PMID: 32638196.


Warren JT, Miller C, White A. “7 year-old with a Painful Rash”. JAMA Pediatrics, August 2016. PMID: 27479116.


Warren JT, Zou W, Decker CE, Rohatgi NR, Nelson, CA, Fremont DH, Teitelbaum, SL. “Correlating RANK Ligand/RANK Binding Kinetics With Osteoclast Formation and Function.” J. Cell. Biochem., Nov 2015. PMID: 25864714


Warren JT, Nelson CA, Decker CE, Zou W, Fremont DH, Teitelbaum SL. “Manipulation of receptor oligomerization as a strategy to inhibit signaling by TNF superfamily members.” Science Signaling, August 2014. PMCID: PMC4206197

Fukunaga T, Zou W, Warren JT, Teitelbaum SL. “Vinculin regulates osteoclast function.” J. Biol. Chem., May 2014. PMCID: PMC4036361


Nelson, CA, Warren, JT, Wang, MWH, Teitelbaum, SL, Fremont, DH. “RANKL Employs Distinct Binding Modes to Engage RANK and OPG.” Structure, November 2012. PMCID: PMC3607351

Deselm CJ, Takahata Y, Warren J, Chappel JC, Khan T, Li X, Liu C, Choi Y, Kim YF, Zou W, Teitelbaum SL. “IL-17 mediates estrogen-deficient osteoporosis in an Act1-dependent manner.” J. Cell. Biochem., September 2012. PMCID: PMC3640304


Kim HJ, Warren JT, Kim SY, Chappel J, DeSelm CJ, Ross FP, Zou W, Teitelbaum S, “Fyn promotes proliferation, differentiation, survival, and function of osteoclast lineage cells.” J. Cell. Biochem., December 2010. PMCID: PMC3719388


Cherrier MV, Kaufmann B, Nybakken GE, Lok SM, Warren JT, et al, “Structural basis for the preferential recognition of immature flaviviruses by a fusion-loop antibody.” EMBO J., Oct 21, 2009. PMCID: PMC2771083


Guo Q, Jureller JE, Warren JT, Solomaha E, Florian J, Tang WJ, "Protein-protein docking and analysis reveal that two homologous bacterial adenylyl cyclase toxins interact with calmodulin differently." J. Biol. Chem., Aug 29, 2008. PMCID: PMC2527102


Warren JT, Guo Q, Tang WJ, “A 1.3Å structure of zinc-bound N-terminal domain of calmodulin elucidates potential early ion-binding step.” J. Mol. Biol., Nov 23, 2007. PMCID: PMC2128742

Awards and Honors

2020, Pediatric Research Retreat Best Basic Science Abstract Award, Washington University
2020, David Gilstrap Memorial Award, Washington University
2019, Abstract Achievement Award, American Society of Hematology Annual Meeting
2019, Washington University Department of Pediatrics Unsung Heroes Award
2019, Best Abstract Award, Hematopoietic Development and Malignancy Program Retreat
2017, James P. Keating Award, St. Louis Children’s Hospital
2016, Chief Resident Award, St. Louis Children’s Hospital
2015, I. Wallace Leibner Award, Washington University
2015, Gold Humanism Honor Society
2015, Spencer T. and Ann. W. Olin Award, Washington University
2014, Steven Dresler Prize, Washington University
2013, Young Investigator Award, American Society for Bone and Mineral Research (ASBMR) Annual Meeting
2011, Young Investigator Travel Grant, ASBMR Annual Meeting
2011, Young Investigator Award, European Calcified Tissue Society PhD Training Course,
2011, Graduate Student Award, 61st Meeting of Nobel Laureates,
2011, Travel Award, ASCI/AAP/APSA Joint Meeting,
2010, Bob and Gerry Virgil Ethic of Service Award
2010, YWCA Women’s Resource Center Volunteer of the Year
2007, Phi Beta Kappa
2007, summa cum laude, University of Chicago

Leadership and Memberships

Memberships in Professional Organizations

2021-present, North American Immuno-Hematology Clinical Education and Research Consortium
2020-present, North American Pediatric Aplastic Anemia Consortium
 - 2021-present, Steering Committee
2015-present, American Society of Hematology
2015-present, American Academy of Pediatrics