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Combining CAR T cel...
Combining CAR T cells and the Bcl-2 family apoptosis inhibitor ABT-737 for treating B-cell malignancy
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- Karlsson, S. C. Hannah (författare)
- Uppsala universitet,Science for Life Laboratory, SciLifeLab,Klinisk immunologi
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- Lindqvist, A. C. (författare)
- Uppsala universitet,Institutionen för immunologi, genetik och patologi,Science for Life Laboratory, SciLifeLab
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- Fransson, Moa (författare)
- Uppsala universitet,Klinisk immunologi,Science for Life Laboratory, SciLifeLab
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- Paul-Wetterberg, Gabriella (författare)
- Uppsala universitet,Klinisk immunologi,Science for Life Laboratory, SciLifeLab
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- Nilsson, Bo (författare)
- Uppsala universitet,Klinisk immunologi,Science for Life Laboratory, SciLifeLab
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- Essand, Magnus (författare)
- Uppsala universitet,Klinisk immunologi,Science for Life Laboratory, SciLifeLab
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- Nilsson, Kristina (författare)
- Uppsala universitet,Klinisk immunologi,Science for Life Laboratory, SciLifeLab
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- Frisk, Per (författare)
- Uppsala universitet,Pediatrik
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- Jernberg-Wiklund, Helena (författare)
- Uppsala universitet,Hematologi och immunologi,Science for Life Laboratory, SciLifeLab
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- Loskog, S. I. A. (författare)
- Uppsala universitet,Institutionen för immunologi, genetik och patologi,Science for Life Laboratory, SciLifeLab
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(creator_code:org_t)
- 2013-06-21
- 2013
- Engelska.
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Ingår i: Cancer Gene Therapy. - : Springer Science and Business Media LLC. - 0929-1903 .- 1476-5500. ; 20:7, s. 386-393
- Relaterad länk:
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https://www.nature.c...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- B-cell malignancies upregulate the B-cell lymphoma 2 (Bcl-2) family inhibitors of the intrinsic apoptosis pathway, making them therapy resistant. However, small-molecule inhibitors of Bcl-2 family members such as ABT-737 restore a functional apoptosis pathway in cancer cells, and its oral analog ABT-263 (Navitoclax) has entered clinical trials. Gene engineered chimeric antigen receptor (CAR) T cells also show promise in B-cell malignancy, and as they induce apoptosis via the extrinsic pathway, we hypothesized that small-molecule inhibitors of the Bcl-2 family may potentiate the efficacy of CAR T cells by engaging both apoptosis pathways. CAR T cells targeting CD19 were generated from healthy donors as well as from pre-B-ALL (precursor-B acute lymphoblastic leukemia) patients and tested together with ABT-737 to evaluate apoptosis induction in five B-cell tumor cell lines. The CAR T cells were effective even if the cell lines exhibited different apoptosis resistance profiles, as shown by analyzing the expression of apoptosis inhibitors by PCR and western blot. When combining T-cell and ABT-737 therapy simultaneously, or with ABT-737 as a presensitizer, tumor cell apoptosis was significantly increased. In conclusion, the apoptosis inducer ABT-737 enhanced the efficacy of CAR T cells and could be an interesting drug candidate to potentiate T-cell therapy.
Nyckelord
- ABT-737
- BH3 mimetics
- engineered T cells
- CAR
- Bcl-2
- pre-B-ALL
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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