Abstract
The CD19 molecule is ubiquitously expressed throughout all stages of B-cell differentiation, but is not found on haemopoietic stem cells. Since most B-cell leukaemias and lymphomas retain CD19 expression, it represents an excellent target for immunotherapy of these malignant disorders. Over the past 10 years, compelling pre-clinical evidence has accrued to indicate that expression of a CD19-targeted chimeric antigen receptor (CAR) in peripheral blood T-cells exerts therapeutic efficacy in diverse models of B-cell malignancy. Building on this, clinical studies are ongoing in several centres in which autologous CD19-specific CAR T-cells are undergoing evaluation in patients with acute and chronic B-cell leukaemia and refractory lymphoma. Early data have generated considerable excitement, providing grounds to speculate that CAR-based immunotherapy will radically alter existing management paradigms in B-cell malignancy. The focus of this mini-review is to evaluate these emerging clinical data and to speculate on clinical prospects for this new therapeutic modality.
Keywords: Adoptive immunotherapy, CD19, chimeric antigen receptor, gene therapy, leukaemia, lymphoma.
Current Gene Therapy
Title:Clinical Immunotherapy of B-Cell Malignancy Using CD19-Targeted CAR T-Cells
Volume: 14 Issue: 1
Author(s): John Maher
Affiliation:
Keywords: Adoptive immunotherapy, CD19, chimeric antigen receptor, gene therapy, leukaemia, lymphoma.
Abstract: The CD19 molecule is ubiquitously expressed throughout all stages of B-cell differentiation, but is not found on haemopoietic stem cells. Since most B-cell leukaemias and lymphomas retain CD19 expression, it represents an excellent target for immunotherapy of these malignant disorders. Over the past 10 years, compelling pre-clinical evidence has accrued to indicate that expression of a CD19-targeted chimeric antigen receptor (CAR) in peripheral blood T-cells exerts therapeutic efficacy in diverse models of B-cell malignancy. Building on this, clinical studies are ongoing in several centres in which autologous CD19-specific CAR T-cells are undergoing evaluation in patients with acute and chronic B-cell leukaemia and refractory lymphoma. Early data have generated considerable excitement, providing grounds to speculate that CAR-based immunotherapy will radically alter existing management paradigms in B-cell malignancy. The focus of this mini-review is to evaluate these emerging clinical data and to speculate on clinical prospects for this new therapeutic modality.
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Cite this article as:
Maher John, Clinical Immunotherapy of B-Cell Malignancy Using CD19-Targeted CAR T-Cells, Current Gene Therapy 2014; 14 (1) . https://dx.doi.org/10.2174/1566523213666131223130554
DOI https://dx.doi.org/10.2174/1566523213666131223130554 |
Print ISSN 1566-5232 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-5631 |
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