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The CD226‐ERK1/2‐LAMP1 pathway is an important mechanism for Vγ9Vδ2 T cell cytotoxicity against chemotherapy‐resistant acute myeloid leukemia blasts and leukemia stem cells
Vγ9Vδ2 T cells are attractive effector cells for immunotherapy with potent cytotoxic activity against a variety of malignant cells. However, the effect of Vγ9Vδ2 T cells on chemotherapy‐resistant acute myeloid leukemia (AML) blasts, especially highly refractory leukemia stem cells (LSCs) is still un...
Autores principales: | , , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
John Wiley and Sons Inc.
2021
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8353902/ https://www.ncbi.nlm.nih.gov/pubmed/34107135 http://dx.doi.org/10.1111/cas.15014 |
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author | Wu, Kangni Wang, Li‐mengmeng Liu, Meng Xiu, Yanghui Hu, Yongxian Fu, Shan Huang, He Xu, Bing Xiao, Haowen |
author_facet | Wu, Kangni Wang, Li‐mengmeng Liu, Meng Xiu, Yanghui Hu, Yongxian Fu, Shan Huang, He Xu, Bing Xiao, Haowen |
author_sort | Wu, Kangni |
collection | PubMed |
description | Vγ9Vδ2 T cells are attractive effector cells for immunotherapy with potent cytotoxic activity against a variety of malignant cells. However, the effect of Vγ9Vδ2 T cells on chemotherapy‐resistant acute myeloid leukemia (AML) blasts, especially highly refractory leukemia stem cells (LSCs) is still unknown. In this study, we investigated the effect of cytotoxicity of allogeneic Vγ9Vδ2 T cells on chemotherapy‐resistant AML cell lines, as well as on primary AML blasts and LSCs obtained from refractory AML patients. The results indicated that Vγ9Vδ2 T cells can efficiently kill drug‐resistant AML cell lines in vitro and in vivo, and the sensitivity of AML cells to Vγ9Vδ2 T cell–mediated cytotoxicity is not influenced by the sensitivity of AML cells to chemotherapy. We further found that Vγ9Vδ2 T cells exhibited a comparable effect of cytotoxicity against LSCs to primary AML blasts. More importantly, we revealed that the CD226–extracellular signal–regulatory kinase1/2 (ERK1/2)–lysosome‐associated membrane protein 1 (LAMP1) pathway is an important mechanism for Vγ9Vδ2 T cell–induced cytotoxicity against AML cells. First, Vγ9Vδ2 T cells recognized AML cells by receptor‐ligand interaction of CD226–Nectin‐2, which then induced ERK1/2 phosphorylation in Vγ9Vδ2 T cells. Finally, triggering the movement of lytic granules toward AML cells induced cytolysis of AML cells. The expression level of Nectin‐2 may be used as a novel marker to predict the susceptibility/resistance of AML cells to Vγ9Vδ2 T cell treatment. |
format | Online Article Text |
id | pubmed-8353902 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2021 |
publisher | John Wiley and Sons Inc. |
record_format | MEDLINE/PubMed |
spelling | pubmed-83539022021-08-15 The CD226‐ERK1/2‐LAMP1 pathway is an important mechanism for Vγ9Vδ2 T cell cytotoxicity against chemotherapy‐resistant acute myeloid leukemia blasts and leukemia stem cells Wu, Kangni Wang, Li‐mengmeng Liu, Meng Xiu, Yanghui Hu, Yongxian Fu, Shan Huang, He Xu, Bing Xiao, Haowen Cancer Sci Original Articles Vγ9Vδ2 T cells are attractive effector cells for immunotherapy with potent cytotoxic activity against a variety of malignant cells. However, the effect of Vγ9Vδ2 T cells on chemotherapy‐resistant acute myeloid leukemia (AML) blasts, especially highly refractory leukemia stem cells (LSCs) is still unknown. In this study, we investigated the effect of cytotoxicity of allogeneic Vγ9Vδ2 T cells on chemotherapy‐resistant AML cell lines, as well as on primary AML blasts and LSCs obtained from refractory AML patients. The results indicated that Vγ9Vδ2 T cells can efficiently kill drug‐resistant AML cell lines in vitro and in vivo, and the sensitivity of AML cells to Vγ9Vδ2 T cell–mediated cytotoxicity is not influenced by the sensitivity of AML cells to chemotherapy. We further found that Vγ9Vδ2 T cells exhibited a comparable effect of cytotoxicity against LSCs to primary AML blasts. More importantly, we revealed that the CD226–extracellular signal–regulatory kinase1/2 (ERK1/2)–lysosome‐associated membrane protein 1 (LAMP1) pathway is an important mechanism for Vγ9Vδ2 T cell–induced cytotoxicity against AML cells. First, Vγ9Vδ2 T cells recognized AML cells by receptor‐ligand interaction of CD226–Nectin‐2, which then induced ERK1/2 phosphorylation in Vγ9Vδ2 T cells. Finally, triggering the movement of lytic granules toward AML cells induced cytolysis of AML cells. The expression level of Nectin‐2 may be used as a novel marker to predict the susceptibility/resistance of AML cells to Vγ9Vδ2 T cell treatment. John Wiley and Sons Inc. 2021-07-04 2021-08 /pmc/articles/PMC8353902/ /pubmed/34107135 http://dx.doi.org/10.1111/cas.15014 Text en © 2021 The Authors. Cancer Science published by John Wiley & Sons Australia, Ltd on behalf of Japanese Cancer Association. https://creativecommons.org/licenses/by-nc-nd/4.0/This is an open access article under the terms of the http://creativecommons.org/licenses/by-nc-nd/4.0/ (https://creativecommons.org/licenses/by-nc-nd/4.0/) License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non‐commercial and no modifications or adaptations are made. |
spellingShingle | Original Articles Wu, Kangni Wang, Li‐mengmeng Liu, Meng Xiu, Yanghui Hu, Yongxian Fu, Shan Huang, He Xu, Bing Xiao, Haowen The CD226‐ERK1/2‐LAMP1 pathway is an important mechanism for Vγ9Vδ2 T cell cytotoxicity against chemotherapy‐resistant acute myeloid leukemia blasts and leukemia stem cells |
title | The CD226‐ERK1/2‐LAMP1 pathway is an important mechanism for Vγ9Vδ2 T cell cytotoxicity against chemotherapy‐resistant acute myeloid leukemia blasts and leukemia stem cells |
title_full | The CD226‐ERK1/2‐LAMP1 pathway is an important mechanism for Vγ9Vδ2 T cell cytotoxicity against chemotherapy‐resistant acute myeloid leukemia blasts and leukemia stem cells |
title_fullStr | The CD226‐ERK1/2‐LAMP1 pathway is an important mechanism for Vγ9Vδ2 T cell cytotoxicity against chemotherapy‐resistant acute myeloid leukemia blasts and leukemia stem cells |
title_full_unstemmed | The CD226‐ERK1/2‐LAMP1 pathway is an important mechanism for Vγ9Vδ2 T cell cytotoxicity against chemotherapy‐resistant acute myeloid leukemia blasts and leukemia stem cells |
title_short | The CD226‐ERK1/2‐LAMP1 pathway is an important mechanism for Vγ9Vδ2 T cell cytotoxicity against chemotherapy‐resistant acute myeloid leukemia blasts and leukemia stem cells |
title_sort | cd226‐erk1/2‐lamp1 pathway is an important mechanism for vγ9vδ2 t cell cytotoxicity against chemotherapy‐resistant acute myeloid leukemia blasts and leukemia stem cells |
topic | Original Articles |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8353902/ https://www.ncbi.nlm.nih.gov/pubmed/34107135 http://dx.doi.org/10.1111/cas.15014 |
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