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Neeser A, Ramasubramanian R, Wang C, Ma L. Engineering enhanced chimeric antigen receptor-T cell therapy for solid tumors. Immunooncol Technol 2023; 19:100385. [PMID: 37483659 PMCID: PMC10362352 DOI: 10.1016/j.iotech.2023.100385] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 07/25/2023]
Abstract
The early clinical success and subsequent US Food and Drug Administration approval of chimeric antigen receptor (CAR)-T cell therapy for leukemia and lymphoma affirm that engineered T cells can be a powerful treatment for hematologic malignancies. Yet this success has not been replicated in solid tumors. Numerous challenges emerged from clinical experience and well-controlled preclinical animal models must be met to enable safe and efficacious CAR-T cell therapy in solid tumors. Here, we review recent advances in bioengineering strategies developed to enhance CAR-T cell therapy in solid tumors, focusing on targeted single-gene perturbation, genetic circuits design, cytokine engineering, and interactive biomaterials. These bioengineering approaches present a unique set of tools that synergize with CAR-T cells to overcome obstacles in solid tumors and achieve robust and long-lasting therapeutic efficacy.
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Affiliation(s)
- A. Neeser
- Department of Bioengineering, School of Engineering and Applied Science, University of Pennsylvania, Philadelphia
| | - R. Ramasubramanian
- Department of Bioengineering, School of Engineering and Applied Science, University of Pennsylvania, Philadelphia
| | - C. Wang
- The Raymond G. Perelman Center for Cellular and Molecular Therapeutics, Children’s Hospital of Philadelphia, Philadelphia
| | - L. Ma
- The Raymond G. Perelman Center for Cellular and Molecular Therapeutics, Children’s Hospital of Philadelphia, Philadelphia
- Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia
- Center for Cellular Immunotherapies, Perelman School of Medicine, University of Pennsylvania, Philadelphia
- Institute for Immunology, Perelman School of Medicine, University of Pennsylvania, Philadelphia
- Abramson Cancer Center, Perelman School of Medicine, University of Pennsylvania, Philadelphia, USA
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Ma L, Hostetler A, Morgan DM, Maiorino L, Sulkaj I, Whittaker CA, Neeser A, Pires IS, Yousefpour P, Gregory J, Qureshi K, Dye J, Abraham W, Suh H, Li N, Love JC, Irvine DJ. Vaccine-boosted CAR T crosstalk with host immunity to reject tumors with antigen heterogeneity. Cell 2023; 186:3148-3165.e20. [PMID: 37413990 PMCID: PMC10372881 DOI: 10.1016/j.cell.2023.06.002] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2022] [Revised: 03/30/2023] [Accepted: 06/02/2023] [Indexed: 07/08/2023]
Abstract
Chimeric antigen receptor (CAR) T cell therapy effectively treats human cancer, but the loss of the antigen recognized by the CAR poses a major obstacle. We found that in vivo vaccine boosting of CAR T cells triggers the engagement of the endogenous immune system to circumvent antigen-negative tumor escape. Vaccine-boosted CAR T promoted dendritic cell (DC) recruitment to tumors, increased tumor antigen uptake by DCs, and elicited the priming of endogenous anti-tumor T cells. This process was accompanied by shifts in CAR T metabolism toward oxidative phosphorylation (OXPHOS) and was critically dependent on CAR-T-derived IFN-γ. Antigen spreading (AS) induced by vaccine-boosted CAR T enabled a proportion of complete responses even when the initial tumor was 50% CAR antigen negative, and heterogeneous tumor control was further enhanced by the genetic amplification of CAR T IFN-γ expression. Thus, CAR-T-cell-derived IFN-γ plays a critical role in promoting AS, and vaccine boosting provides a clinically translatable strategy to drive such responses against solid tumors.
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Affiliation(s)
- Leyuan Ma
- David H. Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA 02139, USA; Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA; The Raymond G. Perelman Center for Cellular and Molecular Therapeutics, Children's Hospital of Philadelphia, Philadelphia, PA 19104, USA.
| | - Alexander Hostetler
- David H. Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA 02139, USA
| | - Duncan M Morgan
- David H. Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA 02139, USA; Department of Chemical Engineering, MIT, Cambridge, MA, USA
| | - Laura Maiorino
- David H. Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA 02139, USA
| | - Ina Sulkaj
- David H. Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA 02139, USA
| | - Charles A Whittaker
- David H. Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA 02139, USA
| | - Alexandra Neeser
- Department of Bioengineering, School of Engineering and Applied Science, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Ivan Susin Pires
- David H. Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA 02139, USA
| | - Parisa Yousefpour
- David H. Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA 02139, USA
| | - Justin Gregory
- David H. Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA 02139, USA
| | - Kashif Qureshi
- David H. Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA 02139, USA
| | - Jonathan Dye
- David H. Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA 02139, USA
| | - Wuhbet Abraham
- David H. Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA 02139, USA
| | - Heikyung Suh
- David H. Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA 02139, USA
| | - Na Li
- David H. Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA 02139, USA
| | - J Christopher Love
- David H. Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA 02139, USA; Department of Chemical Engineering, MIT, Cambridge, MA, USA; Ragon Institute of Massachusetts General Hospital, Cambridge, MA 02139, USA; Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA
| | - Darrell J Irvine
- David H. Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA 02139, USA; Department of Materials Science and Engineering, MIT, Cambridge, MA 02139, USA; Department of Biological Engineering, MIT, Cambridge, MA 02139, USA; Ragon Institute of Massachusetts General Hospital, Cambridge, MA 02139, USA; Howard Hughes Medical Institute, Chevy Chase, MD 20815, USA.
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