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Zou H, Poore B, Brown EE, Qian J, Xie B, Asimakidou E, Razskazovskiy V, Ayrapetian D, Sharma V, Xia S, Liu F, Chen A, Guan Y, Li Z, Wanggou S, Saulnier O, Ly M, Fellows-Mayle W, Xi G, Tomita T, Resnick AC, Mack SC, Raabe EH, Eberhart CG, Sun D, Stronach BE, Agnihotri S, Kohanbash G, Lu S, Herrup K, Rich JN, Gittes GK, Broniscer A, Hu Z, Li X, Pollack IF, Friedlander RM, Hainer SJ, Taylor MD, Hu B. A neurodevelopmental epigenetic programme mediated by SMARCD3-DAB1-Reelin signalling is hijacked to promote medulloblastoma metastasis. Nat Cell Biol 2023; 25:493-507. [PMID: 36849558 PMCID: PMC10014585 DOI: 10.1038/s41556-023-01093-0] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Accepted: 01/17/2023] [Indexed: 03/01/2023]
Abstract
How abnormal neurodevelopment relates to the tumour aggressiveness of medulloblastoma (MB), the most common type of embryonal tumour, remains elusive. Here we uncover a neurodevelopmental epigenomic programme that is hijacked to induce MB metastatic dissemination. Unsupervised analyses of integrated publicly available datasets with our newly generated data reveal that SMARCD3 (also known as BAF60C) regulates Disabled 1 (DAB1)-mediated Reelin signalling in Purkinje cell migration and MB metastasis by orchestrating cis-regulatory elements at the DAB1 locus. We further identify that a core set of transcription factors, enhancer of zeste homologue 2 (EZH2) and nuclear factor I X (NFIX), coordinates with the cis-regulatory elements at the SMARCD3 locus to form a chromatin hub to control SMARCD3 expression in the developing cerebellum and in metastatic MB. Increased SMARCD3 expression activates Reelin-DAB1-mediated Src kinase signalling, which results in a MB response to Src inhibition. These data deepen our understanding of how neurodevelopmental programming influences disease progression and provide a potential therapeutic option for patients with MB.
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Affiliation(s)
- Han Zou
- Xiangya School of Medicine, Central South University, Changsha, China
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, China
- Hunan International Scientific and Technological Cooperation Base of Brain Tumor Research, Changsha, China
- Department of Neurological Surgery, University of Pittsburgh, Pittsburgh, PA, USA
- John G. Rangos Sr Research Center, UPMC Children's Hospital of Pittsburgh, Pittsburgh, PA, USA
| | - Bradley Poore
- Department of Neurological Surgery, University of Pittsburgh, Pittsburgh, PA, USA
- John G. Rangos Sr Research Center, UPMC Children's Hospital of Pittsburgh, Pittsburgh, PA, USA
| | - Emily E Brown
- Department of Biological Sciences, University of Pittsburgh, Pittsburgh, PA, USA
| | - Jieqi Qian
- John G. Rangos Sr Research Center, UPMC Children's Hospital of Pittsburgh, Pittsburgh, PA, USA
| | - Bin Xie
- Department of Pathology, Xiangya Hospital, Central South University, Changsha, China
| | - Evridiki Asimakidou
- Department of Neurological Surgery, University of Pittsburgh, Pittsburgh, PA, USA
- John G. Rangos Sr Research Center, UPMC Children's Hospital of Pittsburgh, Pittsburgh, PA, USA
| | - Vladislav Razskazovskiy
- Department of Neurological Surgery, University of Pittsburgh, Pittsburgh, PA, USA
- John G. Rangos Sr Research Center, UPMC Children's Hospital of Pittsburgh, Pittsburgh, PA, USA
| | - Deanna Ayrapetian
- Department of Neurological Surgery, University of Pittsburgh, Pittsburgh, PA, USA
- John G. Rangos Sr Research Center, UPMC Children's Hospital of Pittsburgh, Pittsburgh, PA, USA
| | - Vaibhav Sharma
- Department of Neurological Surgery, University of Pittsburgh, Pittsburgh, PA, USA
- John G. Rangos Sr Research Center, UPMC Children's Hospital of Pittsburgh, Pittsburgh, PA, USA
| | - Shunjin Xia
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, China
| | - Fei Liu
- Department of Radiology, Xiangya Hospital, Central South University, Changsha, China
| | - Apeng Chen
- Department of Neurological Surgery, University of Pittsburgh, Pittsburgh, PA, USA
- John G. Rangos Sr Research Center, UPMC Children's Hospital of Pittsburgh, Pittsburgh, PA, USA
| | - Yongchang Guan
- Department of Neurological Surgery, University of Pittsburgh, Pittsburgh, PA, USA
- John G. Rangos Sr Research Center, UPMC Children's Hospital of Pittsburgh, Pittsburgh, PA, USA
| | - Zhengwei Li
- Department of Neurological Surgery, University of Pittsburgh, Pittsburgh, PA, USA
- John G. Rangos Sr Research Center, UPMC Children's Hospital of Pittsburgh, Pittsburgh, PA, USA
| | - Siyi Wanggou
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, China
| | - Olivier Saulnier
- Developmental and Stem Cell Biology Program, The Hospital for Sick Children, Toronto, Ontario, Canada
| | - Michelle Ly
- Developmental and Stem Cell Biology Program, The Hospital for Sick Children, Toronto, Ontario, Canada
| | - Wendy Fellows-Mayle
- Department of Neurological Surgery, University of Pittsburgh, Pittsburgh, PA, USA
| | - Guifa Xi
- Division of Pediatric Neurosurgery, Ann and Robert H. Lurie Children's Hospital, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Tadanori Tomita
- Division of Pediatric Neurosurgery, Ann and Robert H. Lurie Children's Hospital, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Adam C Resnick
- Center for Data-Driven Discovery in Biomedicine, Division of Neurosurgery, Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - Stephen C Mack
- Department of Developmental Neurobiology, St Jude Children's Research Hospital, Memphis, TN, USA
| | - Eric H Raabe
- Division of Pediatric Oncology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Charles G Eberhart
- Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Dandan Sun
- Department of Neurology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Beth E Stronach
- Office of Research, University of Pittsburgh Health Sciences, Pittsburgh, PA, USA
| | - Sameer Agnihotri
- Department of Neurological Surgery, University of Pittsburgh, Pittsburgh, PA, USA
- John G. Rangos Sr Research Center, UPMC Children's Hospital of Pittsburgh, Pittsburgh, PA, USA
- UPMC Hillman Cancer Center, Pittsburgh, PA, USA
| | - Gary Kohanbash
- Department of Neurological Surgery, University of Pittsburgh, Pittsburgh, PA, USA
- John G. Rangos Sr Research Center, UPMC Children's Hospital of Pittsburgh, Pittsburgh, PA, USA
- UPMC Hillman Cancer Center, Pittsburgh, PA, USA
| | - Songjian Lu
- Department of Biomedical Informatics, University of Pittsburgh, Pittsburgh, PA, USA
| | - Karl Herrup
- Department of Neurobiology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Jeremy N Rich
- Department of Neurology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
- UPMC Hillman Cancer Center, Pittsburgh, PA, USA
| | - George K Gittes
- John G. Rangos Sr Research Center, UPMC Children's Hospital of Pittsburgh, Pittsburgh, PA, USA
- Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
- Department of Pediatrics, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Alberto Broniscer
- John G. Rangos Sr Research Center, UPMC Children's Hospital of Pittsburgh, Pittsburgh, PA, USA
- UPMC Hillman Cancer Center, Pittsburgh, PA, USA
- Department of Pediatrics, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Zhongliang Hu
- Department of Pathology, Xiangya Hospital, Central South University, Changsha, China
| | - Xuejun Li
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, China
- Hunan International Scientific and Technological Cooperation Base of Brain Tumor Research, Changsha, China
| | - Ian F Pollack
- Department of Neurological Surgery, University of Pittsburgh, Pittsburgh, PA, USA
- John G. Rangos Sr Research Center, UPMC Children's Hospital of Pittsburgh, Pittsburgh, PA, USA
- UPMC Hillman Cancer Center, Pittsburgh, PA, USA
| | - Robert M Friedlander
- Department of Neurological Surgery, University of Pittsburgh, Pittsburgh, PA, USA
| | - Sarah J Hainer
- Department of Biological Sciences, University of Pittsburgh, Pittsburgh, PA, USA.
- UPMC Hillman Cancer Center, Pittsburgh, PA, USA.
| | - Michael D Taylor
- Developmental and Stem Cell Biology Program, The Hospital for Sick Children, Toronto, Ontario, Canada.
| | - Baoli Hu
- Department of Neurological Surgery, University of Pittsburgh, Pittsburgh, PA, USA.
- John G. Rangos Sr Research Center, UPMC Children's Hospital of Pittsburgh, Pittsburgh, PA, USA.
- UPMC Hillman Cancer Center, Pittsburgh, PA, USA.
- Department of Pediatrics, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.
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Nehme Z, Pasquereau S, Haidar Ahmad S, El Baba R, Herbein G. Polyploid giant cancer cells, EZH2 and Myc upregulation in mammary epithelial cells infected with high-risk human cytomegalovirus. EBioMedicine 2022; 80:104056. [PMID: 35596973 PMCID: PMC9121245 DOI: 10.1016/j.ebiom.2022.104056] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Revised: 04/26/2022] [Accepted: 04/27/2022] [Indexed: 02/08/2023] Open
Abstract
Background Human cytomegalovirus (HCMV) infection has been actively implicated in complex neoplastic processes. Beyond oncomodulation, the molecular mechanisms that might underlie HCMV-induced oncogenesis are being extensively studied. Polycomb repressive complex 2 (PRC2) proteins, in particular enhancer of zeste homolog 2 (EZH2) are associated with cancer progression. Nevertheless, little is known about EZH2 activation in the context of HCMV infection and breast oncogenesis. Methods Herein, we identified EZH2 as a downstream target for HCMV-induced Myc upregulation upon acute and chronic infection with high-risk strains using a human mammary epithelial model. Findings We detected polyploidy and CMV-transformed HMECs (CTH) cells harboring HCMV and dynamically undergoing the giant cells cycle. Acquisition of embryonic stemness markers positively correlated with EZH2 and Myc expression. EZH2 inhibitors curtail sustained CTH cells’ malignant phenotype. Besides harboring polyploid giant cancer cells (PGCCs), tumorigenic breast biopsies were characterized by an enhanced EZH2 and Myc expression, with a strong positive correlation between EZH2 and Myc expression, and between PGCC count and EZH2/Myc expression in the presence of HCMV. Further, we isolated two HCMV strains from EZH2HighMycHigh basal-like tumors which replicate in MRC5 cells and transform HMECs toward CTH cells after acute infection. Interpretation Our data establish a potential link between HCMV-induced Myc activation, the subsequent EZH2 upregulation, and polyploidy induction. These data support the proposed tumorigenesis properties of EZH2/Myc, and allow the isolation of two oncogenic HCMV strains from EZH2HighMycHigh basal breast tumors while identifying EZH2 as a potential therapeutic target in the management of breast cancer, particularly upon HCMV infection. Funding This work was supported by grants from the University of Franche-Comté (UFC) (CR3300), the Région Franche-Comté (2021-Y-08292 and 2021-Y-08290) and the Ligue contre le Cancer (CR3304) to Georges Herbein. Zeina Nehme is a recipient of a doctoral scholarship from the municipality of Habbouch. Sandy Haidar Ahmad is recipient of a doctoral scholarship from Lebanese municipality. Ranim El Baba is a recipient of a doctoral scholarship from Hariri foundation for sustainable human development.
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Affiliation(s)
- Zeina Nehme
- Department Pathogens and Inflammation-EPILAB, EA4266, Université de Franche-Comté, Université Bourgogne Franche-Comté (UBFC), 16 route de Gray, Besançon F-25030, France
| | - Sébastien Pasquereau
- Department Pathogens and Inflammation-EPILAB, EA4266, Université de Franche-Comté, Université Bourgogne Franche-Comté (UBFC), 16 route de Gray, Besançon F-25030, France
| | - Sandy Haidar Ahmad
- Department Pathogens and Inflammation-EPILAB, EA4266, Université de Franche-Comté, Université Bourgogne Franche-Comté (UBFC), 16 route de Gray, Besançon F-25030, France
| | - Ranim El Baba
- Department Pathogens and Inflammation-EPILAB, EA4266, Université de Franche-Comté, Université Bourgogne Franche-Comté (UBFC), 16 route de Gray, Besançon F-25030, France
| | - Georges Herbein
- Department Pathogens and Inflammation-EPILAB, EA4266, Université de Franche-Comté, Université Bourgogne Franche-Comté (UBFC), 16 route de Gray, Besançon F-25030, France; Department of Virology, CHU Besançon, Besançon, France.
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Huang R, Chen Z, Li W, Fan C, Liu J. Immune system‑associated genes increase malignant progression and can be used to predict clinical outcome in patients with hepatocellular carcinoma. Int J Oncol 2020; 56:1199-1211. [PMID: 32319580 PMCID: PMC7115743 DOI: 10.3892/ijo.2020.4998] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2019] [Accepted: 02/07/2020] [Indexed: 02/05/2023] Open
Abstract
Hepatocellular carcinoma (HCC) is one of the most malignant types of cancer, and is associated with high recurrence rates and a poor response to chemotherapy. Immune signatures in the microenvironment of HCC have not been well explored systematically. The aim of the present study was to identify prognostic immune signatures and build a nomogram for use in clinical evaluation. Using bioinformatics analysis, RNA‑seq data and overall survival (OS) information on 370 HCC cases from TCGA and 232 HCC cases from ICGC were analyzed. The differential expression of select immune genes, based on previously published studies, between HCC and adjacent tissue were analyzed using the limma package in R. Enrichment of pathways and gene ontology analysis was performed using clusterProfiler. Subsequently, univariate Cox regression analysis, Lasso penalty linear regression and multivariate Cox regression models were used to construct a model for immune risk score (IRS). The R packages, survival and survivalROC, were used to plot survival and the associated receiver operating characteristic curves. Infiltration of immune cells was calculated using Tumor IMmune Estimation Resource, with significance examined using a Pearson's correlation test. P<0.05 was considered significant. Based on the analysis, expression of 200 immune genes were upregulated and 47 immune genes were downregulated immune genes. In the multivariate Cox model, 5 genes (enhancer of zest homology 2, ferritin light chain, complement factor H related 3, isthmin 2, cyclin dependent kinase 5) were used to generate the IRS. By stratifying according to the median IRS, it was shown that patients with a high IRS had poor OS rates after 1, 2, 3 and 5 years, and this result was consistent across the testing, training and independent validation cohorts. Additionally, the IRS was correlated with the abundance of infiltrating immune cells. The nomogram built using IRS and clinical characteristics, was able to predict 1, 3 and 5 year OS with area under the curve values of >0.8. These results suggest that the model developed to calculate the IRS may be used to monitor the effectiveness of treatment strategies and for prognostic prediction.
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Affiliation(s)
- Rongfu Huang
- Department of Clinical Laboratory, The Second Affiliated Hospital, Fujian Medical University, Quanzhou, Fujian 362000
| | - Zheng Chen
- Liver Cancer Institute, Zhongshan Hospital, Fudan University and Key Laboratory of Carcinogenesis and Cancer Invasion, Ministry of Education, Shanghai 200000
| | | | - Chunmei Fan
- Department of Clinical Laboratory, The Second Affiliated Hospital, Fujian Medical University, Quanzhou, Fujian 362000
| | - Jun Liu
- Department of Clinical Laboratory, Yue Bei People's Hospital, Shantou University Medical College, Shaoguan, Guangdong 512026, P.R. China
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Abe H, Natsumeda M, Okada M, Watanabe J, Tsukamoto Y, Kanemaru Y, Yoshimura J, Oishi M, Hashizume R, Kakita A, Fujii Y. MGMT Expression Contributes to Temozolomide Resistance in H3K27M-Mutant Diffuse Midline Gliomas. Front Oncol 2020; 9:1568. [PMID: 32039031 PMCID: PMC6985080 DOI: 10.3389/fonc.2019.01568] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Accepted: 12/27/2019] [Indexed: 01/29/2023] Open
Abstract
Diffuse midline gliomas (DMGs) show resistance to many chemotherapeutic agents including temozolomide (TMZ). Histone gene mutations in DMGs trigger epigenetic changes including DNA hypomethylation, one of which is a frequent lack of O6-methyl-guanine-DNA methyltransferase (MGMT) promoter methylation, resulting in increased MGMT expression. We established the NGT16 cell line with HIST1H3B K27M and ACVR1 G328E gene mutations from a DMG patient and used this cell line and other DMG cell lines with H3F3A gene mutation (SF7761, SF8628, JHH-DIPG1) to analyze MGMT promoter methylation, MGMT protein expression, and response to TMZ. Three out of 4 DMG cell lines (NGT16, SF8628, and JHH-DIPG1) had unmethylated MGMT promoter, increased MGMT expression, and showed resistance to TMZ treatment. SF7761 cells with H3F3A gene mutation showed MGMT promoter methylation, lacked MGMT expression, and sensitivity to TMZ treatment. NGT16 line showed response to ALK2 inhibitor K02288 treatment in vitro. We confirmed in vitro that MGMT expression contributes to TMZ resistance in DMG cell lines. There is an urgent need to develop new strategies to treat TMZ-resistant DMGs.
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Affiliation(s)
- Hideaki Abe
- Department of Neurosurgery, Brain Research Institute, Niigata University, Niigata, Japan
| | - Manabu Natsumeda
- Department of Neurosurgery, Brain Research Institute, Niigata University, Niigata, Japan
| | - Masayasu Okada
- Department of Neurosurgery, Brain Research Institute, Niigata University, Niigata, Japan
| | - Jun Watanabe
- Department of Neurosurgery, Brain Research Institute, Niigata University, Niigata, Japan
| | - Yoshihiro Tsukamoto
- Department of Neurosurgery, Brain Research Institute, Niigata University, Niigata, Japan
| | - Yu Kanemaru
- Department of Neurosurgery, Brain Research Institute, Niigata University, Niigata, Japan
| | - Junichi Yoshimura
- Department of Neurosurgery, Brain Research Institute, Niigata University, Niigata, Japan
| | - Makoto Oishi
- Department of Neurosurgery, Brain Research Institute, Niigata University, Niigata, Japan
| | - Rintaro Hashizume
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL, United States.,Department of Biochemistry and Molecular Genetics, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
| | - Akiyoshi Kakita
- Department of Pathology, Brain Research Institute, Niigata University, Niigata, Japan
| | - Yukihiko Fujii
- Department of Neurosurgery, Brain Research Institute, Niigata University, Niigata, Japan
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