Craig H. Bassing, PhD

male silhouette icon
Craig H. Bassing, PhD, is an assistant professor and investigator with the Research Institute of The Children's Hospital of Philadelphia.

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

Education and Training


Research Fellow in Molecular Immunology - Irvington Institute for Immunological Research, New York, NY

Research Fellow in Molecular Immunology - CBR Institute for Biomedical Research, Boston, MA

Research Fellow in Genetics - Harvard Medical School, Boston, MA

Research Fellow in Medicine, Boston Children's Hospital, Boston, MA

Research Associate in Molecular Immunology - Howard Hughes Medical Institute, Philadelphia, PA

Research Fellow in Cancer Genetics - Lymphoma Research Foundation, New York, NY

Undergraduate Degree

BA in Biology - The Johns Hopkins University, Baltimore MD

Graduate Degree

PhD in Biology - Duke University, Durham, NC

Titles and Academic Titles


Associate Professor of Pathology and Laboratory Medicine, University of Pennsylvania School of Medicine

Areas of Focus

Laboratories & Research Programs

Research Topics

Research Interests




Ehlich, L.A., Yang-Iott, K., DeMicco, A., and Bassing, C.H.: Somatic Inactivation of ATM in Hematopoietic Cells Predisposes Mice to Cyclin D3 Dependent T Cell Acute Lymphoblastic Leukemia Cell Cycle 14: 388-98. 2015.


Steinel, N.C., Fisher, M., Yang-Iott, K.S., and Bassing, C.H.: The Ataxia Telangiectasia Mutated and Cyclin D3 Proteins Cooperate to Enforce Tcrb and Igh Allelic Exclusion. Journal of Immunology 193: 2881-2890, 2014.

Rupp, L.J., Brady, B.L., Carpenter, A.C., De Obaldia, M.E., Bhandoola, A., Bosselut, R., Muljo, S.A., and Bassing, C.H.: The microRNA biogenesis machinery modulates lineage commitment during αβ T cell development The Journal of Immunology 193: 4032-4042, 2014.

Horowitz, J.E. and Bassing, C.H.: NonCore RAG1 Regions Promote Vβ Rearrangements and αβ T Cell Development by Overcoming Inherent Inefficiency of Vβ Recombination Signal Sequences  Journal of Immunology 192: 1609-1619. 2014.

Ehrlich, L.A.,  Yang-Iott, K., and Bassing, C.H.: Tcrδ Translocations that Delete the Bcl11b Haploinsufficient Tumor Suppressor Gene Promote Atm-deficient T Cell Acute Lymphoblastic Leukemia Cell Cycle 13: 3076-82, 2014.


Steinel, N.C., Lee, B.-S., Tubbs, A.T., Bednarski, J.J., Schulte, E., Yang-Iott, K.S., Schatz, D.G., Sleckman, B.P., and Bassing, C.H. : The Ataxia Telangiectasia Mutated Kinase Controls Igκ Allelic Exclusion by Inhibiting Secondary Vκ-to-Jκ Rearrangements  Journal of Experimental Medicine 210: 233-9, 2013.

DeMicco, A., Yang-Iott, K.S., and Bassing, C.H.: Somatic Inactivation of Tp53 in Hematopoietic Stem Cells or Thymocytes Predisposes Mice to Thymic Lymphomas with Clonal Translocations  Cell Cycle 12: 3307-16, 2013.

Brady, B.L., Rupp, L.J., and Bassing, C.H.: Requirement for Dicer in Survival of Proliferating Thymocytes Experiencing DNA Double Strand Breaks Journal of Immunology 190: 3256-66, 2013.




Shaw, A. C., Bassing, C. H., Swat, W., and Alt, F. W. : Signal transduction and regulation of antigen receptor gene rearrangement during early lymphocyte development. Hematopoiesis: A Developmental Approach. Oxford University Press, Page: 544-564, 2000.


Datto, M. B., Bassing, C. H., and Wang, X.-F. : The TGF-beta receptors and signaling pathways. Growth Factors and Cytokines in Health and Disease. JAI Press, Inc. Page: 395-432, 1995.

Posters and Presentations

Invited Lectures


"Molecular Control of Immunoglobulin Gene Rearrangements and B Cell Development", Tri-Institute Immunology Program of Rockefeller University, Cornell Medical School, and Memorial Sloan Kettering Cancer Institute, New York, NY, January 2014.


"ATM inhibits secondary Igk rearrangements to enforce Igk allelic exclusion", New York Academy of Sciences Genomic Integrity Meeting, NY, NY, April 2013.

Awards and Honors

2010-present, Leukemia and Lymphoma Society Scholar Award

2010, Pathology and Laboratory Medicine Chair Award of the Children's Hospital of Philadelphia

2009, Michael S. Brown New Investigator Research Award, University of Pennsylvania School of Medicine

2008-2009, Lassin Family Cancer Research Award at the Abramson Cancer Center of the University School of Medicine

2008, American Cancer Society Institutional Research Award

2006-2007, American Cancer Society Institutional Research Award

2005-2009, Pew Scholar in the Biomedical Sciences

2005-2006, Foerderer-Murray Award

2005-2007, W.W. Smith Charitable Trust Award

2005-2006, American Cancer Society Institutional Research Award

2003-2005, Lymphoma Research Foundation Fellow Award

1997-2000, Irvington Institute for Immunological Research Fellow Award

1992, Departmental Honors (Biology), The Johns Hopkins University

1992, University Honors, The Johns Hopkins University

1992, Golden Key Honor Society, The Johns Hopkins University Chapter

1992-1995, National Science Foundation Pre-Doctoral Fellow Award

1991, Howard Hughes Medical Institute, Summer Fellow

1991, Phi Beta Kappa Honor Society, The Johns Hopkins University Chapter

1990, Alpha Epsilon Delta Honor Society, The Johns Hopkins University Chapter

Editorial and Academic Positions

Editorial Positions

2013-present, The Journal of Immunology, section editor

2012-present, F1000 Research, editorial board

2012-present, American Journal of Clinical and Experimental Immunology, founding editorial board

Ad hoc reviewer

2011-present, PLoS ONE

2010-present, Human Molecular Genetics

2010-present, Nature Reviews in Cancer

2010-present, Journal of Cell Biology

2009-present, Molecular and Cellular Biology

2009-present, Oncogene

2008-present, Nucleic Acids Research

2008-present, Journal of Clinical Investigation

2007-present, Science

2007-present, Cell

2006-present, Blood

2006-present, Immunity

2005-present, Nature

2005-present, Journal of Experimental Medicine

2005-present, PNAS

2005-present, Cell Cycle

2005-present, DNA Repair

2005-present, Nature Immunology

2005-present, EMBO

Academic and Institutional Committees

2014-present, Cancer Biology Graduate Group, chair

2014-present, CB Executive Committee, chair

2014-present, CAMB Executive Committee

2014-present, CB Preliminary Exam Committee

2014-present, Biomedical Advisory Committee

2014, Penn Institute for Immunology Pilot Grants Review Panel

2014, Radiation Safety Committee of the University of Pennsylvania

2013, Graduate Group in Pharmacology of the University of Pennsylvania, review committee

2012-present, Cell and Molecular Biology Training Grant of the University of Pennsylvania, executive committee

2012-present, CCCR Biobank Scientific Review Council

2012-2014, CB Advising Committee, chair

2011-present, Abramson Family Cancer Research Institute, associate investigator

2010-present, Institute for Immunology

2010-present, IGG Executive Committee

2010-present, Abramson Cancer Center - Pediatric Oncology Research

2010-2015, Selection Committee for the Michael S. Brown New Investigator Research Award

2009-present, IGG Student Affairs Committee, ad hoc member

2009-present, ACC Review Committee for American Cancer Society Pilot and Institutional Grants

2009-2014, CB Advising Committee

2007-present, ACC Review Committee for American Cancer Society Pilot and Institutional Grants

2005-present, IGG Admissions Committee

2004-present, Cell and Molecular Biology Graduate Group - Cancer Biology

2004-present, Immunology Graduate Group

Leadership and Memberships

Memberships in Professional Organizations


2012-present, Leukocyte Development Section in the Immunology Faculty

2010-present, The Henry Kunkel Society


2014-present, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health

- Board of Scientific Counselors

- Division of Intramural Research

2008-present, American Association for Cancer Research

2005-present, American Association of Immunologists

1992-present, American Association for the Advancement of Science