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RUNX1 contributes to the mesenchymal subtype of glioblastoma in a TGFβ pathway-dependent manner

by Cui, Xiaoteng , Wang, Jiachong , Wang, Yunfei , Kang, Chunsheng , Shang, Rui , Tan, Yanli , Zhao, Kai , Wang, Qixue , Yang, Chao , Yi, Kaikai , Fang, Chuan , You, Hua

in 13/1 / 13/106 / 13/109 / 13/51 / 13/89 / 14/19 / 38/5 / 631/67/1922 / 631/80/79/750 / 692/53/2422 / 82/83 / Animals / Antibodies / Biochemistry / Bioinformatics / Biomedical and Life Sciences / Brain cancer / Brain Neoplasms - genetics / Brain Neoplasms - metabolism / Brain Neoplasms - pathology / Cell Biology / Cell Culture / Cell Line, Tumor / Cell Nucleus - metabolism / Chromatin / Core Binding Factor Alpha 2 Subunit - metabolism / Disease Progression / Genomes / Glioblastoma / Glioblastoma - genetics / Glioblastoma - metabolism / Glioblastoma - pathology / Glioma / HEK293 Cells / Heterografts / Humans / Immunofluorescence / Immunology / Immunoprecipitation / Life Sciences / Mesenchyme / Methyltransferases - metabolism / Mice / Mice, Inbred BALB C / Mice, Nude / Prognosis / Repressor Proteins - metabolism / Ribonucleic acid / RNA / Runx1 protein / Signal Transduction / Smad3 protein / Smad3 Protein - metabolism / Therapeutic applications / Tissue typing / Transforming Growth Factor beta - metabolism / Up-Regulation / Xenografts

2019

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RUNX1 contributes to the mesenchymal subtype of glioblastoma in a TGFβ pathway-dependent manner

by Cui, Xiaoteng , Wang, Jiachong , Wang, Yunfei , Kang, Chunsheng , Shang, Rui , Tan, Yanli , Zhao, Kai , Wang, Qixue , Yang, Chao , Yi, Kaikai , Fang, Chuan , You, Hua

2019

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RUNX1 contributes to the mesenchymal subtype of glioblastoma in a TGFβ pathway-dependent manner

by Cui, Xiaoteng , Wang, Jiachong , Wang, Yunfei , Kang, Chunsheng , Shang, Rui , Tan, Yanli , Zhao, Kai , Wang, Qixue , Yang, Chao , Yi, Kaikai , Fang, Chuan , You, Hua

2019

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Journal Article

RUNX1 contributes to the mesenchymal subtype of glioblastoma in a TGFβ pathway-dependent manner

Cui, Xiaoteng,

Wang, Jiachong,

Wang, Yunfei,

Kang, Chunsheng,

Shang, Rui,

Tan, Yanli,

Zhao, Kai,

Wang, Qixue,

Yang, Chao,

Yi, Kaikai,

Fang, Chuan,

You, Hua

2019

Overview

Runt-Related Transcription Factor 1 (RUNX1) is highly expressed in the Mesenchymal (Mes) subtype of glioblastoma (GBM). However, the specific molecular mechanism of RUNX1 in Mes GBM remains largely elusive. In this study, cell and tumor tissue typing were performed by RNA-sequencing. Co-immunoprecipitation (co-IP) and immunofluorescence (IF) were employed to identify members of the RUNX1 transcriptional protein complex. Bioinformatics analysis, chromatin immunoprecipitation (ChIP), and luciferase reporter experiments were utilized to verify target genes. Analyses of The Cancer Genome Atlas (TCGA) and Chinese Glioma Genome Atlas (CGGA) verified the expression levels and prognoses associated with RUNX1/p-SMAD3/SUV39H1 target genes. In vivo patient-derived xenograft (PDX) studies and in vitro functional studies verified the impact of RUNX1 on the occurrence and development of GBM. The results showed that RUNX1 was upregulated in Mes GBM cell lines, tissues and patients and promoted proliferation and invasion in GBM in a TGFβ pathway-dependent manner in vivo and in vitro. We found and verified that BCL3 and MGP are transcriptionally activated by p-SMAD3 /RUNX1, while MXI1 is transcriptionally suppressed by the RUNX1/SUV39H1-H3K9me3 axis. This finding offers a theoretical rationale for using molecular markers and choosing therapeutic targets for the Mes type of GBM.

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Publisher

Nature Publishing Group UK,Springer Nature B.V

Subject

13/1

/ 13/106

/ 13/109

/ 13/51

/ 13/89

/ 14/19

/ 38/5