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m(6)A RNA methylation regulators contribute to malignant progression and have clinical prognostic impact in gliomas

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机构: [1]Department of Molecular Neuropathology, Beijing Neurosurgical Institute, Beijing Tiantan Hospital, Capital Medical University, Beijing 100160, China [2]Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing 100160, China [3]China National Clinical Research Center for Neurological Diseases, Beijing, China [4]Laboratory of Neuro-Oncology, Tianjin Neurological Institute, Department of Neurosurgery, Tianjin Medical University General Hospital and Key Laboratory of Neurotrauma, Variation, and Regeneration, Ministry of Education and Tianjin Municipal Government, Tianjin 300052, China [5]Chinese Glioma Genome Atlas Network (CGGA) [6]Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou 510095, China
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关键词: RNA modification methyltransferase demethylases epigenetics prognostic signature

摘要:
N6-methyladenosine (m(6)A) RNA methylation, associated with cancer initiation and progression, is dynamically regulated by the m(6)A RNA methylation regulators ("writers", "erasers" and "readers"). Here, we demonstrate that most of the thirteen main m(6)A RNA methylation regulators are differentially expressed among gliomas stratified by different clinicopathological features in 904 gliomas. We identified two subgroups of gliomas (RM1/2) by applying consensus clustering to m(6)A RNA methylation regulators. Compared with the RM1 subgroup, the RM2 subgroup correlates with a poorer prognosis, higher WHO grade, and lower frequency of IDH mutation. Moreover, the hallmarks of epithelial-mesenchymal transition and TNF alpha signaling via NF-kappa B are also significantly enriched in the RM2 subgroup. This finding indicates that m(6)A RNA methylation regulators are closely associated with glioma malignancy. Based on this finding, we derived a risk signature, using seven m(6)A RNA methylation regulators, that is not only an independent prognostic marker but can also predict the clinicopathological features of gliomas. Moreover, m(6)A regulators are associated with the mesenchymal subtype and TMZ sensitivity in GBM. In conclusion, m(6)A RNA methylation regulators are crucial participants in the malignant progression of gliomas and are potentially useful for prognostic stratification and treatment strategy development.

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出版当年[2018]版:
大类 | 2 区 生物
小类 | 2 区 老年医学 3 区 细胞生物学
最新[2023]版:
大类 | 3 区 医学
小类 | 3 区 细胞生物学 3 区 老年医学
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出版当年[2017]版:
Q1 GERIATRICS & GERONTOLOGY Q2 CELL BIOLOGY
最新[2023]版:
Q2 CELL BIOLOGY Q2 GERIATRICS & GERONTOLOGY

影响因子: 最新[2023版] 最新五年平均 出版当年[2017版] 出版当年五年平均 出版前一年[2016版] 出版后一年[2018版]

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第一作者机构: [1]Department of Molecular Neuropathology, Beijing Neurosurgical Institute, Beijing Tiantan Hospital, Capital Medical University, Beijing 100160, China [3]China National Clinical Research Center for Neurological Diseases, Beijing, China [5]Chinese Glioma Genome Atlas Network (CGGA)
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通讯机构: [1]Department of Molecular Neuropathology, Beijing Neurosurgical Institute, Beijing Tiantan Hospital, Capital Medical University, Beijing 100160, China [2]Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing 100160, China [3]China National Clinical Research Center for Neurological Diseases, Beijing, China [4]Laboratory of Neuro-Oncology, Tianjin Neurological Institute, Department of Neurosurgery, Tianjin Medical University General Hospital and Key Laboratory of Neurotrauma, Variation, and Regeneration, Ministry of Education and Tianjin Municipal Government, Tianjin 300052, China [5]Chinese Glioma Genome Atlas Network (CGGA) [6]Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou 510095, China
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