Kojo Elenitoba-Johnson, MD

Peter C. Nowell, M.D., Professor
University of Pennsylvania Perelman School of Medicine
Director, Center for Personalized Diagnostics
Director, Division of Precision and Computational Diagnostics

Contact InformationDepartment of Pathology and Laboratory Medicine
Perelman School of Medicine at the University of Pennsylvania
609 Stellar-Chance
Philadelphia, PA, 19104-6100
Office: 215-898-8198
Fax: 215-898-6544

Specialty Division

Precision and Computational Diagnostics, Hematopathology

Itmat Expertise

Molecular pathogenesis, biomarkers and therapeutic targets of malignant lymphoid neoplasia


MD (Medicine), College of Medicine, University of Lagos and Lagos University Teaching Hospital, 1988

Specialty Certification

Educational Commission for Foreign Medical Graduates Certification (ECFMG), #426-519-5, 1988
Federal Licensing Examinations (FLEX), 1993
Diplomate of American Board of Pathology (Combined Anatomic Pathology and
Clinical Pathology), 1996
New York State Certification of Qualification for Molecular Oncology and Hematopathology, 1998
Diplomate of American Board of Pathology (Hematology), 1998
Diplomate of American Board of Pathology (Molecular Genetic Pathology), 2001
New York State Department of Health, Certificate of Qualification for Laboratory Director for Hematology, Histopathology General and Oncology Molecular and Cellular Tumor Markers, 2008

Postgraduate Training

Residency, Anatomic and Clinical Pathology, Brown University School of Medicine, Providence, Rhode Island, 1991-1995
Chief Resident, Department of Pathology, Brown University School of Medicine, Providence, RI, 1992-1994
Fellowship, Hematopathology, Lab of Pathology, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, 1995-1997
Leadership Development for Physicians in Academic Health Centers, Harvard School of Public Health, Cambridge, MA, 2012-2012
Linkage Leadership Academy, University of Michigan, MA, 2013-2013

Awards and Honors

“Concepts in Molecular Pathology”, American Society of Investigative Pathology Scholarship, 1993
Outstanding Graduating Resident Award, Brown University Residency Training Program, 1995
Pathologist in Training Award, Society for Hematopathology, 1998
Outstanding Teaching Award in Anatomic Pathology, University of Utah Department of
Pathology, 1999
Best Doctors in America honoree, 2003-2014
Outstanding Teaching Award in Anatomic Pathology, University of Utah Department of
Pathology, 2003
Ramzi Cotran Young Investigator Award, United States and Canadian Academy of Pathology, 2006
Finalist, Burroughs Welcome Fund Clinical Scientist Award in Translational Research, 2007
Elected Member, American Society for Clinical Investigation Society, 2011
League of Research Excellence, University of Michigan, 2011
Henry C. Bryant Endowed Professorship, Department of Pathology, University of Michigan, 2011
American Society for Investigative Pathology Outstanding Investigator Award (formerly the
ASIP Amgen, Pfizer, Warner-Lambert-Parke-Davis Award), 2012
Elected Member, American Association of University Pathologists (PLUTO Society), 2014
Peter C. Nowell, M.D., Endowed Professorship, Perelman School of Medicine, University of Pennsylvania Health System, 2015

Memberships and Professional Organizations

American Society for Clinical Pathology, 1991 - Present
New England Pathology Residents’ Society, 1992 - 1993
United States and Canadian Academy of Pathology, 1995 - Present
Association for Molecular Pathology, 1997 - Present
American Society of Hematology, 1997 - Present
American Society for Investigative Pathology, 2001 - Present
National Institutes of Health, National Cancer Institute, 2003 - Present
American Society for Biochemistry and Molecular Biology, 2005 - Present
Michigan Society of Pathologists, 2006 - Present
Lymphoma Research Foundation, 2007 - Present
Food and Drug Administration (FDA), 2008 - Present
Netherlands Cancer Institute, 2009 - 2009
National Institutes of Health Center for Scientific Review, 2010 - 2014
American Society of Clinical Investigation, 2011 - Present
National Institutes of Health, Bethesda, MD, 2013 - 2018
American Association for Cancer Research, 2014 - Present
Interurban Clinical Club, 2016 - Present
John Morgan Society of the University of Pennsylvania, 2016 - Present

Web Links

Selected Publications

NPM-ALK activates WASp by Phosphorylation at Y102 and contributes to oncogenesis of anaplastic large cell lymphoma.

Murga-Zamalloa CA, Mendoza-Reinoso V, Sahasrabuddher AA, Rolland DCM, Hwang SR, McDonnell SRP, Sciallis AP, Wilcox RA, Bashur V, Elenitoba-Johnson KSJ, Lim MS., Oncogene, 2016, PMID:27694894

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Activating KRAS mutations are characteristic of oncocytic sinonasal papilloma and associated sinonasal squamous cell carcinoma.

Udager AM, McHugh JB, Betz BL, Montone KT, Livolsi VA, Seethala RR, Yakirevich E, Iwenofu OH, Perez-Ordonez B, DuRoss KE, Weigelin HC, Lim MS, Elenitoba-Johnson KSJ, Brown NA, J Pathol, 2016, PMID:27234382

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FBXO11: a novel germinal center B-cell regulator

Elenitoba-Johnson KSJ, Blood, 2016, PMID:27492310

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Precision medicine for diffuse large B-cell lymphoma.

Lim MS, Elenitoba-Johnson KSJ, Clin Cancer Res 22(12): 2829-31, 2016, PMID:26988247

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Loss of the Ubiquitin-conjugating Enzyme Ube2W results in susceptibility to early postnatal lethality and defects in skin, immune and male reproductive systems.

Wang B, Merillat SA, Vincent M, Huber AK, Basrur V, Mangelberger D, Zeng L, Elenitoba-Johnson KSJ, Miller RA, Irani DN, Dlugosz AA, Schnell S, Scaglione KM, and Paulson HL., J Biol Chem, 2016

API2-MALT1 oncoprotein promotes lymphomagenesis via unique program of substrate ubiquitination and proteolysis.

Rosebeck S, Lim MS, Elenitoba-Johnson KSJ, McAllister-Lucas LM, Lucas PC., World J Biol Chem., 2016, PMID:26981201

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Next-generation IgVH sequencing CLL-like monoclonal B-cell lymphocytosis reveals frequent oligoclonality and ongoing hypermutation.

Klinger M, Zheng J, Elenitoba-Johnson K S J, Perkins S L, Faham M, Bahler D W, Leukemia, 2015, PMID:26686246

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Mature T-cell leukemias: Molecular and Clinical Aspects.

Bailey Nathanael G, Elenitoba-Johnson Kojo S J, Current hematologic malignancy reports 10(4): 421-8, 2015, PMID:26433891

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Pharmacoproteomics identifies combinatorial therapy targets for diffuse large B cell lymphoma.

Goldstein RL, Yang SN, Taldone T, Change B, Gerecitano J, Elenitoba-Johnson KSJ, Shakonovich R, Tam W, Leonard JP, Chiosis G, Cerchietti L, Melnick A., J Clin Invest, 2015, PMID:26529251

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EGFR mutations in sinonasal squamous tumors: oncogenic and therapeutic implications.

Udager Aaron M, McHugh Jonathan B, Elenitoba-Johnson Kojo S J, Brown Noah A, Oncoscience 2(11): 908-9, 2015, PMID:26697520

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