RNA N6‐methyladenosine modification in the lethal teamwork of cancer stem cells and the tumor immune microenvironment: Current landscape and therapeutic potential

Abstract N6‐methyladenosine (m6A), the newest and most prevalent layer of internal epigenetic modification in eukaryotic mRNA, has been demonstrated to play a critical role in cancer biology. Increasing evidence has highlighted that the interaction between cancer stem cells (CSCs) and the tumor immu...

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Main Authors: Zhihui Zhang, Chaoqi Zhang, Yuejun Luo, Guochao Zhang, Peng Wu, Nan Sun, Jie He
Format: Article
Language:English
Published: Wiley 2021-09-01
Series:Clinical and Translational Medicine
Subjects:
Online Access:https://doi.org/10.1002/ctm2.525
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author Zhihui Zhang
Chaoqi Zhang
Yuejun Luo
Guochao Zhang
Peng Wu
Nan Sun
Jie He
author_facet Zhihui Zhang
Chaoqi Zhang
Yuejun Luo
Guochao Zhang
Peng Wu
Nan Sun
Jie He
author_sort Zhihui Zhang
collection DOAJ
description Abstract N6‐methyladenosine (m6A), the newest and most prevalent layer of internal epigenetic modification in eukaryotic mRNA, has been demonstrated to play a critical role in cancer biology. Increasing evidence has highlighted that the interaction between cancer stem cells (CSCs) and the tumor immune microenvironment (TIME) is the root cause of tumorigenesis, metastasis, therapy resistance, and recurrence. In recent studies, the m6A modification has been tightly linked to this CSC‐TIME interplay, participating in the regulation of CSCs and TIME remolding. Interestingly, the m6A modification has also been identified as a novel decisive factor in the efficacy of immunotherapies—particularly anti‐PD‐1/PD‐L1 monotherapies—by changing the plasticity of the TIME. Given the functional importance of the m6A modification in the crosstalk between CSCs and the TIME, targeting m6A regulators will open new avenues to overcome therapeutic resistance, especially for immune checkpoint‐based immunotherapy. In the present review, we summarize the current landscape of m6A modifications in CSCs and the TIME, and also prospect the underling role of m6A modifications at the crossroads of CSCs and the TIME for the first time. Additionally, to provide the possibility of modulating m6A modifications as an emerging therapeutic strategy, we also explore the burgeoning inhibitors and technologies targeting m6A regulators. Lastly, considering recent advances in m6A‐seq technologies and cancer drug development, we propose the future directions of m6A modification in clinical applications, which may not only help to improve individualized monitoring and therapy but also provide enhanced and durable responses in patients with insensitive tumors.
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spelling doaj.art-449aeb55239243a3a8c2cc0f06836d942022-12-21T21:25:19ZengWileyClinical and Translational Medicine2001-13262021-09-01119n/an/a10.1002/ctm2.525RNA N6‐methyladenosine modification in the lethal teamwork of cancer stem cells and the tumor immune microenvironment: Current landscape and therapeutic potentialZhihui Zhang0Chaoqi Zhang1Yuejun Luo2Guochao Zhang3Peng Wu4Nan Sun5Jie He6Department of Thoracic Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital Chinese Academy of Medical Sciences and Peking Union Medical College Beijing ChinaDepartment of Thoracic Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital Chinese Academy of Medical Sciences and Peking Union Medical College Beijing ChinaDepartment of Thoracic Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital Chinese Academy of Medical Sciences and Peking Union Medical College Beijing ChinaDepartment of Thoracic Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital Chinese Academy of Medical Sciences and Peking Union Medical College Beijing ChinaDepartment of Thoracic Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital Chinese Academy of Medical Sciences and Peking Union Medical College Beijing ChinaDepartment of Thoracic Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital Chinese Academy of Medical Sciences and Peking Union Medical College Beijing ChinaDepartment of Thoracic Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital Chinese Academy of Medical Sciences and Peking Union Medical College Beijing ChinaAbstract N6‐methyladenosine (m6A), the newest and most prevalent layer of internal epigenetic modification in eukaryotic mRNA, has been demonstrated to play a critical role in cancer biology. Increasing evidence has highlighted that the interaction between cancer stem cells (CSCs) and the tumor immune microenvironment (TIME) is the root cause of tumorigenesis, metastasis, therapy resistance, and recurrence. In recent studies, the m6A modification has been tightly linked to this CSC‐TIME interplay, participating in the regulation of CSCs and TIME remolding. Interestingly, the m6A modification has also been identified as a novel decisive factor in the efficacy of immunotherapies—particularly anti‐PD‐1/PD‐L1 monotherapies—by changing the plasticity of the TIME. Given the functional importance of the m6A modification in the crosstalk between CSCs and the TIME, targeting m6A regulators will open new avenues to overcome therapeutic resistance, especially for immune checkpoint‐based immunotherapy. In the present review, we summarize the current landscape of m6A modifications in CSCs and the TIME, and also prospect the underling role of m6A modifications at the crossroads of CSCs and the TIME for the first time. Additionally, to provide the possibility of modulating m6A modifications as an emerging therapeutic strategy, we also explore the burgeoning inhibitors and technologies targeting m6A regulators. Lastly, considering recent advances in m6A‐seq technologies and cancer drug development, we propose the future directions of m6A modification in clinical applications, which may not only help to improve individualized monitoring and therapy but also provide enhanced and durable responses in patients with insensitive tumors.https://doi.org/10.1002/ctm2.525cancer stem cellsimmune checkpointimmunotherapym6A modificationmetastasisrecurrence
spellingShingle Zhihui Zhang
Chaoqi Zhang
Yuejun Luo
Guochao Zhang
Peng Wu
Nan Sun
Jie He
RNA N6‐methyladenosine modification in the lethal teamwork of cancer stem cells and the tumor immune microenvironment: Current landscape and therapeutic potential
Clinical and Translational Medicine
cancer stem cells
immune checkpoint
immunotherapy
m6A modification
metastasis
recurrence
title RNA N6‐methyladenosine modification in the lethal teamwork of cancer stem cells and the tumor immune microenvironment: Current landscape and therapeutic potential
title_full RNA N6‐methyladenosine modification in the lethal teamwork of cancer stem cells and the tumor immune microenvironment: Current landscape and therapeutic potential
title_fullStr RNA N6‐methyladenosine modification in the lethal teamwork of cancer stem cells and the tumor immune microenvironment: Current landscape and therapeutic potential
title_full_unstemmed RNA N6‐methyladenosine modification in the lethal teamwork of cancer stem cells and the tumor immune microenvironment: Current landscape and therapeutic potential
title_short RNA N6‐methyladenosine modification in the lethal teamwork of cancer stem cells and the tumor immune microenvironment: Current landscape and therapeutic potential
title_sort rna n6 methyladenosine modification in the lethal teamwork of cancer stem cells and the tumor immune microenvironment current landscape and therapeutic potential
topic cancer stem cells
immune checkpoint
immunotherapy
m6A modification
metastasis
recurrence
url https://doi.org/10.1002/ctm2.525
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