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Curr Opin Hematol. 2017 Jul;24(4):384-392. doi: 10.1097/MOH.0000000000000349.

Patient-derived tumor xenografts of lymphoproliferative disorders: are they surrogates for the human disease?

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aDepartment of Pathology and Laboratory Medicine, Weill Cornell Medical College, New York, New York, USAbSurgical Pathology and Cytopathology Unit, Department of Medicine-DIMED, University of Padova, Padova, ItalycDepartment of Molecular Biotechnology and Health Science and Center for Experimental Research and Medical Studies (CeRMS), University of Torino, Torino, ItalydDepartment of Pathology, and NYU Cancer Center, New York University School of Medicine, New York, New York, USA.



Patient-derived tumor xenografts (PDTXs) have emerged as powerful platforms in medical oncology. A plethora of PDTXs were generated to study solid cancers, but limited data are as yet available on hematological diseases. The aim of this review is to describe the state of art of lymphoma PDTXs, discussing future directions for the development of integrated/personalized cancer programs.


In the last decades, several PDTXs of lymphoproliferative disorders have been produced. Most studies focused on acute lymphoblastic leukemias, but consistent results have recently been obtained also for indolent and aggressive B-/T-cell lymphomas. These models have contributed to characterize lymphoma biology and therapy, despite technical and scientific issues have partially limited their application (e.g. high costs, relatively low engraftment rates, lack of human-derived tumor microenvironment, clonal selection of engrafted cells, limited characterization of tumor grafts). In the next future, such limitations should be overcome by new technical approaches and dedicated multiinstitutional programs.


PDTXs represent an unprecedented opportunity to study the biology and clinical management of lymphoproliferative disorders. Many of the current models display limitations, which will be resolved by rigorous approaches and comprehensive libraries, recapitulating the extreme heterogeneity of such neoplasms.

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