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Ozyerli-Goknar E, Kala EY, Aksu AC, Bulut I, Cingöz A, Nizamuddin S, Biniossek M, Seker-Polat F, Morova T, Aztekin C, Kung SHY, Syed H, Tuncbag N, Gönen M, Philpott M, Cribbs AP, Acilan C, Lack NA, Onder TT, Timmers HTM, Bagci-Onder T. Epigenetic-focused CRISPR/Cas9 screen identifies (absent, small, or homeotic)2-like protein (ASH2L) as a regulator of glioblastoma cell survival. Cell Commun Signal 2023; 21:328. [PMID: 37974198 PMCID: PMC10652464 DOI: 10.1186/s12964-023-01335-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Accepted: 09/26/2023] [Indexed: 11/19/2023] Open
Abstract
BACKGROUND Glioblastoma is the most common and aggressive primary brain tumor with extremely poor prognosis, highlighting an urgent need for developing novel treatment options. Identifying epigenetic vulnerabilities of cancer cells can provide excellent therapeutic intervention points for various types of cancers. METHOD In this study, we investigated epigenetic regulators of glioblastoma cell survival through CRISPR/Cas9 based genetic ablation screens using a customized sgRNA library EpiDoKOL, which targets critical functional domains of chromatin modifiers. RESULTS Screens conducted in multiple cell lines revealed ASH2L, a histone lysine methyltransferase complex subunit, as a major regulator of glioblastoma cell viability. ASH2L depletion led to cell cycle arrest and apoptosis. RNA sequencing and greenCUT&RUN together identified a set of cell cycle regulatory genes, such as TRA2B, BARD1, KIF20B, ARID4A and SMARCC1 that were downregulated upon ASH2L depletion. Mass spectrometry analysis revealed the interaction partners of ASH2L in glioblastoma cell lines as SET1/MLL family members including SETD1A, SETD1B, MLL1 and MLL2. We further showed that glioblastoma cells had a differential dependency on expression of SET1/MLL family members for survival. The growth of ASH2L-depleted glioblastoma cells was markedly slower than controls in orthotopic in vivo models. TCGA analysis showed high ASH2L expression in glioblastoma compared to low grade gliomas and immunohistochemical analysis revealed significant ASH2L expression in glioblastoma tissues, attesting to its clinical relevance. Therefore, high throughput, robust and affordable screens with focused libraries, such as EpiDoKOL, holds great promise to enable rapid discovery of novel epigenetic regulators of cancer cell survival, such as ASH2L. CONCLUSION Together, we suggest that targeting ASH2L could serve as a new therapeutic opportunity for glioblastoma. Video Abstract.
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Affiliation(s)
- Ezgi Ozyerli-Goknar
- Koç University Research Center for Translational Medicine (KUTTAM), Rumelifeneri Yolu, Sarıyer, Istanbul, 34450, Türkiye
- German Cancer Research Center (DKFZ), German Cancer Consortium (DKTK) Partner Site Freiburg, Heidelberg, Germany
- Department of Urology, Medical Center-University of Freiburg, Freiburg, Germany
| | - Ezgi Yagmur Kala
- Koç University Research Center for Translational Medicine (KUTTAM), Rumelifeneri Yolu, Sarıyer, Istanbul, 34450, Türkiye
| | - Ali Cenk Aksu
- Koç University Research Center for Translational Medicine (KUTTAM), Rumelifeneri Yolu, Sarıyer, Istanbul, 34450, Türkiye
| | - Ipek Bulut
- Koç University Research Center for Translational Medicine (KUTTAM), Rumelifeneri Yolu, Sarıyer, Istanbul, 34450, Türkiye
| | - Ahmet Cingöz
- Koç University Research Center for Translational Medicine (KUTTAM), Rumelifeneri Yolu, Sarıyer, Istanbul, 34450, Türkiye
| | - Sheikh Nizamuddin
- German Cancer Research Center (DKFZ), German Cancer Consortium (DKTK) Partner Site Freiburg, Heidelberg, Germany
- Department of Urology, Medical Center-University of Freiburg, Freiburg, Germany
| | - Martin Biniossek
- Institute for Molecular Medicine and Cell Research, University of Freiburg, Freiburg, Germany
| | - Fidan Seker-Polat
- Koç University Research Center for Translational Medicine (KUTTAM), Rumelifeneri Yolu, Sarıyer, Istanbul, 34450, Türkiye
| | - Tunc Morova
- Koç University School of Medicine, Istanbul, Türkiye
- Vancouver Prostate Centre, University of British Columbia, Vancouver, BC, Canada
| | - Can Aztekin
- Koç University School of Medicine, Istanbul, Türkiye
| | - Sonia H Y Kung
- Vancouver Prostate Centre, University of British Columbia, Vancouver, BC, Canada
| | - Hamzah Syed
- Koç University Research Center for Translational Medicine (KUTTAM), Rumelifeneri Yolu, Sarıyer, Istanbul, 34450, Türkiye
- Koç University School of Medicine, Istanbul, Türkiye
- Biostatistics, Bioinformatics and Data Management Lab, KUTTAM, Istanbul, Türkiye
| | - Nurcan Tuncbag
- Koç University Research Center for Translational Medicine (KUTTAM), Rumelifeneri Yolu, Sarıyer, Istanbul, 34450, Türkiye
- Koç University School of Medicine, Istanbul, Türkiye
- Department of Chemical and Biological Engineering, Koç University, Istanbul, Türkiye
| | - Mehmet Gönen
- Koç University Research Center for Translational Medicine (KUTTAM), Rumelifeneri Yolu, Sarıyer, Istanbul, 34450, Türkiye
- Koç University School of Medicine, Istanbul, Türkiye
- Department of Industrial Engineering, Koç University, Istanbul, Türkiye
| | - Martin Philpott
- Botnar Research Centre, Nuffield Department of Orthopedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK
| | - Adam P Cribbs
- Botnar Research Centre, Nuffield Department of Orthopedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK
| | - Ceyda Acilan
- Koç University Research Center for Translational Medicine (KUTTAM), Rumelifeneri Yolu, Sarıyer, Istanbul, 34450, Türkiye
- Koç University School of Medicine, Istanbul, Türkiye
| | - Nathan A Lack
- Koç University Research Center for Translational Medicine (KUTTAM), Rumelifeneri Yolu, Sarıyer, Istanbul, 34450, Türkiye
- Koç University School of Medicine, Istanbul, Türkiye
- Vancouver Prostate Centre, University of British Columbia, Vancouver, BC, Canada
| | - Tamer T Onder
- Koç University Research Center for Translational Medicine (KUTTAM), Rumelifeneri Yolu, Sarıyer, Istanbul, 34450, Türkiye
- Koç University School of Medicine, Istanbul, Türkiye
| | - H T Marc Timmers
- German Cancer Research Center (DKFZ), German Cancer Consortium (DKTK) Partner Site Freiburg, Heidelberg, Germany
- Department of Urology, Medical Center-University of Freiburg, Freiburg, Germany
| | - Tugba Bagci-Onder
- Koç University Research Center for Translational Medicine (KUTTAM), Rumelifeneri Yolu, Sarıyer, Istanbul, 34450, Türkiye.
- Koç University School of Medicine, Istanbul, Türkiye.
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Dreijerink KMA, Ozyerli-Goknar E, Koidl S, Van der Lelij E, Van den Heuvel P, Kooijman J, Biniossek M, Rodenburg K, Nizamuddin S, Timmers M. LBODP106 Multi-omics Analyses Of MEN1 Missense Mutations Identify Disruption Of Menin-MLL And Menin-JunD Interactions As Critical Requirements For Molecular Pathogenicity. J Endocr Soc 2022. [PMCID: PMC9628758 DOI: 10.1210/jendso/bvac150.1788] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Loss-of-function mutations of the multiple endocrine neoplasia type 1 (MEN1) gene are causal to the MEN1 endocrine tumor syndrome, but they are also commonly found in sporadic pancreatic neuroendocrine tumors and other types of cancers. The MEN1 gene product, menin, is involved in transcriptional and chromatin regulation, most prominently as an integral component of KMT2A/MLL1 and KMT2B/MLL2 containing COMPASS-like histone H3K4 methyltransferase complexes. In a mutually exclusive fashion, menin also interacts with the JunD subunit of the AP-1 and ATF/CREB transcription factors. After in silico screening of 253 disease-related MEN1 missense mutations, we selected a set of nine menin mutations in surface-exposed residues. The protein interactomes of these mutants were assessed by quantitative mass spectrometry, which indicated that seven of the nine mutants disrupt interactions with both MLL1/2 and JunD complexes. Interestingly, we identified three missense mutations, R52G, E255K and E359K, which predominantly reduce the interaction with MLL1 compared to JunD. This observation was supported by a pronounced loss of binding of the R52G, E255K and E359K mutant proteins at unique MLL1 genomic binding sites with less effect on unique JunD sites. These findings support the general importance of the menin-MLL1 and menin-JunD interactions in MEN1 gene-associated pathogenic conditions. Presentation: No date and time listed
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Affiliation(s)
| | - Ezgi Ozyerli-Goknar
- Department of Urology, Medical Center-University of Freiburg, Freiburg, Germany
| | - Stefanie Koidl
- Department of Urology, Medical Center-University of Freiburg, Freiburg, Germany
| | | | - Priscilla Van den Heuvel
- School of Life Sciences, and Research Group of Technologies of Analyses in Life Sciences (ATLS), Avans University of Applied Sciences, Breda, Netherlands
| | - Jeffrey Kooijman
- School of Life Sciences, and Research Group of Technologies of Analyses in Life Sciences (ATLS), Avans University of Applied Sciences, Breda, Netherlands
| | - Martin Biniossek
- Institute for Molecular Medicine and Cell Research, University of Freiburg, Freiburg, Germany
| | - Kees Rodenburg
- School of Life Sciences, and Research Group of Technologies of Analyses in Life Sciences (ATLS), Avans University of Applied Sciences, Breda, Netherlands
| | - Sheikh Nizamuddin
- Department of Urology, Medical Center-University of Freiburg, Freiburg, Germany
| | - Marc Timmers
- Department of Urology, Medical Center-University of Freiburg, Freiburg, Germany
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Dreijerink KMA, Ozyerli-Goknar E, Koidl S, van der Lelij EJ, van den Heuvel P, Kooijman JJ, Biniossek ML, Rodenburg KW, Nizamuddin S, Timmers HTM. Multi-omics analyses of MEN1 missense mutations identify disruption of menin-MLL and menin-JunD interactions as critical requirements for molecular pathogenicity. Epigenetics Chromatin 2022; 15:29. [PMID: 35941657 PMCID: PMC9361535 DOI: 10.1186/s13072-022-00461-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Accepted: 07/01/2022] [Indexed: 11/10/2022] Open
Abstract
Background Loss-of-function mutations of the multiple endocrine neoplasia type 1 (MEN1) gene are causal to the MEN1 tumor syndrome, but they are also commonly found in sporadic pancreatic neuroendocrine tumors and other types of cancers. The MEN1 gene product, menin, is involved in transcriptional and chromatin regulation, most prominently as an integral component of KMT2A/MLL1 and KMT2B/MLL2 containing COMPASS-like histone H3K4 methyltransferase complexes. In a mutually exclusive fashion, menin also interacts with the JunD subunit of the AP-1 and ATF/CREB transcription factors. Results Here, we applied and in silico screening approach for 253 disease-related MEN1 missense mutations in order to select a set of nine menin mutations in surface-exposed residues. The protein interactomes of these mutants were assessed by quantitative mass spectrometry, which indicated that seven of the nine mutants disrupt interactions with both MLL1/MLL2 and JunD complexes. Interestingly, we identified three missense mutations, R52G, E255K and E359K, which predominantly reduce the MLL1 and MLL2 interactions when compared with JunD. This observation was supported by a pronounced loss of binding of the R52G, E255K and E359K mutant proteins at unique MLL1 genomic binding sites with less effect on unique JunD sites. Conclusions Our results underline the effects of MEN1 gene mutations in both familial and sporadic tumors of endocrine origin on the interactions of menin with the MLL1 and MLL2 histone H3K4 methyltransferase complexes and with JunD-containing transcription factors. Menin binding pocket mutants R52G, E255K and E359K have differential effects on MLL1/MLL2 and JunD interactions, which translate into differential genomic binding patterns. Our findings encourage future studies addressing the pathophysiological relevance of the separate MLL1/MLL2- and JunD-dependent functions of menin mutants in MEN1 disease model systems.
Supplementary Information The online version contains supplementary material available at 10.1186/s13072-022-00461-8.
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Affiliation(s)
| | - Ezgi Ozyerli-Goknar
- German Cancer Consortium (DKTK) Partner Site Freiburg, German Cancer Research Center (DKFZ), Heidelberg, Germany.,Department of Urology, Medical Center -University of Freiburg, Freiburg, Germany
| | - Stefanie Koidl
- German Cancer Consortium (DKTK) Partner Site Freiburg, German Cancer Research Center (DKFZ), Heidelberg, Germany.,Department of Urology, Medical Center -University of Freiburg, Freiburg, Germany
| | | | - Priscilla van den Heuvel
- School of Life Sciences, and Research Group of Technologies of Analyses in Life Sciences (ATLS), Avans University of Applied Sciences, Breda, The Netherlands
| | - Jeffrey J Kooijman
- School of Life Sciences, and Research Group of Technologies of Analyses in Life Sciences (ATLS), Avans University of Applied Sciences, Breda, The Netherlands.,Oncolines B.V., Oss, The Netherlands
| | - Martin L Biniossek
- Institute for Molecular Medicine and Cell Research, University of Freiburg, Freiburg, Germany
| | - Kees W Rodenburg
- School of Life Sciences, and Research Group of Technologies of Analyses in Life Sciences (ATLS), Avans University of Applied Sciences, Breda, The Netherlands
| | - Sheikh Nizamuddin
- German Cancer Consortium (DKTK) Partner Site Freiburg, German Cancer Research Center (DKFZ), Heidelberg, Germany.,Department of Urology, Medical Center -University of Freiburg, Freiburg, Germany
| | - H T Marc Timmers
- German Cancer Consortium (DKTK) Partner Site Freiburg, German Cancer Research Center (DKFZ), Heidelberg, Germany. .,Department of Urology, Medical Center -University of Freiburg, Freiburg, Germany.
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Abstract
Cancer cells possess the ability to evade apoptosis. Genetic alterations through mutations in key genes of the apoptotic signaling pathway represent a major adaptive mechanism of apoptosis evasion. In parallel, epigenetic changes via aberrant modifications of DNA and histones to regulate the expression of pro- and antiapoptotic signal mediators represent a major complementary mechanism in apoptosis regulation and therapy response. Most epigenetic changes are governed by the activity of chromatin modifying enzymes that add, remove, or recognize different marks on histones and DNA. Here, we discuss how apoptosis signaling components are deregulated at epigenetic levels, particularly focusing on the roles of chromatin-modifying enzymes in this process. We also review the advances in cancer therapies with epigenetic drugs such as DNMT, HMT, HDAC, and BET inhibitors, as well as their effects on apoptosis modulation in cancer cells. Rewiring the epigenome by drug interventions can provide therapeutic advantage for various cancers by reverting therapy resistance and leading cancer cells to undergo apoptotic cell death.
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Affiliation(s)
- Ezgi Ozyerli-Goknar
- Brain Cancer Research and Therapy Laboratory, Koç University School of Medicine, Istanbul 34450, Turkey;
- Research Center for Translational Medicine, Koç University, Istanbul 34450, Turkey
| | - Tugba Bagci-Onder
- Brain Cancer Research and Therapy Laboratory, Koç University School of Medicine, Istanbul 34450, Turkey;
- Research Center for Translational Medicine, Koç University, Istanbul 34450, Turkey
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Cingöz A, Ozyerli-Goknar E, Morova T, Seker-Polat F, Esai Selvan M, Gümüş ZH, Bhere D, Shah K, Solaroglu I, Bagci-Onder T. Generation of TRAIL-resistant cell line models reveals distinct adaptive mechanisms for acquired resistance and re-sensitization. Oncogene 2021; 40:3201-3216. [PMID: 33767436 DOI: 10.1038/s41388-021-01697-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2019] [Revised: 01/21/2021] [Accepted: 02/04/2021] [Indexed: 02/01/2023]
Abstract
Tumor necrosis factor-related apoptosis-inducing ligand (TRAIL) induces tumor cell-specific apoptosis, making it a prime therapeutic candidate. However, many tumor cells are either innately TRAIL-resistant, or they acquire resistance with adaptive mechanisms that remain poorly understood. In this study, we generated acquired TRAIL resistance models using multiple glioblastoma (GBM) cell lines to assess the molecular alterations in the TRAIL-resistant state. We selected TRAIL-resistant cells through chronic and long-term TRAIL exposure and noted that they showed persistent resistance both in vitro and in vivo. Among known TRAIL-sensitizers, proteosome inhibitor Bortezomib, but not HDAC inhibitor MS-275, was effective in overcoming resistance in all cell models. This was partly achieved through upregulating death receptors and pro-apoptotic proteins, and downregulating major anti-apoptotic members, Bcl-2 and Bcl-xL. We showed that CRISPR/Cas9 mediated silencing of DR5 could block Bortezomib-mediated re-sensitization, demonstrating its critical role. While overexpression of Bcl-2 or Bcl-xL was sufficient to confer resistance to TRAIL-sensitive cells, it failed to override Bortezomib-mediated re-sensitization. With RNA sequencing in multiple paired TRAIL-sensitive and TRAIL-resistant cells, we identified major alterations in inflammatory signaling, particularly in the NF-κB pathway. Inhibiting NF-κB substantially sensitized the most resistant cells to TRAIL, however, the sensitization effect was not as great as what was observed with Bortezomib. Together, our findings provide new models of acquired TRAIL resistance, which will provide essential tools to gain further insight into the heterogeneous therapy responses within GBM tumors. Additionally, these findings emphasize the critical importance of combining proteasome inhibitors and pro-apoptotic ligands to overcome acquired resistance.
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Affiliation(s)
- Ahmet Cingöz
- Brain Cancer Research and Therapy Laboratory, Koç University Research Center for Translational Medicine, Istanbul, 34450, Turkey
- Koç University School of Medicine, Istanbul, 34450, Turkey
| | - Ezgi Ozyerli-Goknar
- Brain Cancer Research and Therapy Laboratory, Koç University Research Center for Translational Medicine, Istanbul, 34450, Turkey
- Koç University School of Medicine, Istanbul, 34450, Turkey
| | - Tunc Morova
- Koç University School of Medicine, Istanbul, 34450, Turkey
| | - Fidan Seker-Polat
- Brain Cancer Research and Therapy Laboratory, Koç University Research Center for Translational Medicine, Istanbul, 34450, Turkey
- Koç University School of Medicine, Istanbul, 34450, Turkey
| | - Myvizhi Esai Selvan
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
- Icahn Institute for Data Science and Genomic Technology, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Zeynep Hülya Gümüş
- Koç University School of Medicine, Istanbul, 34450, Turkey
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
- Icahn Institute for Data Science and Genomic Technology, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Deepak Bhere
- Center for Stem Cell Therapeutics and Imaging, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, 02115, USA
| | - Khalid Shah
- Center for Stem Cell Therapeutics and Imaging, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, 02115, USA
| | - Ihsan Solaroglu
- Koç University School of Medicine, Istanbul, 34450, Turkey
- Department of Neurosurgery, Koç University School of Medicine, Istanbul, 34010, Turkey
| | - Tugba Bagci-Onder
- Brain Cancer Research and Therapy Laboratory, Koç University Research Center for Translational Medicine, Istanbul, 34450, Turkey.
- Koç University School of Medicine, Istanbul, 34450, Turkey.
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6
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Ozyerli-Goknar E, Sur-Erdem I, Seker F, Cingöz A, Kayabolen A, Kahya-Yesil Z, Uyulur F, Gezen M, Tolay N, Erman B, Gönen M, Dunford J, Oppermann U, Bagci-Onder T. The fungal metabolite chaetocin is a sensitizer for pro-apoptotic therapies in glioblastoma. Cell Death Dis 2019; 10:894. [PMID: 31772153 PMCID: PMC6879621 DOI: 10.1038/s41419-019-2107-y] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2019] [Revised: 09/12/2019] [Accepted: 10/16/2019] [Indexed: 01/19/2023]
Abstract
Glioblastoma Multiforme (GBM) is the most common and aggressive primary brain tumor. Despite recent developments in surgery, chemo- and radio-therapy, a currently poor prognosis of GBM patients highlights an urgent need for novel treatment strategies. TRAIL (TNF Related Apoptosis Inducing Ligand) is a potent anti-cancer agent that can induce apoptosis selectively in cancer cells. GBM cells frequently develop resistance to TRAIL which renders clinical application of TRAIL therapeutics inefficient. In this study, we undertook a chemical screening approach using a library of epigenetic modifier drugs to identify compounds that could augment TRAIL response. We identified the fungal metabolite chaetocin, an inhibitor of histone methyl transferase SUV39H1, as a novel TRAIL sensitizer. Combining low subtoxic doses of chaetocin and TRAIL resulted in very potent and rapid apoptosis of GBM cells. Chaetocin also effectively sensitized GBM cells to further pro-apoptotic agents, such as FasL and BH3 mimetics. Chaetocin mediated apoptosis sensitization was achieved through ROS generation and consequent DNA damage induction that involved P53 activity. Chaetocin induced transcriptomic changes showed induction of antioxidant defense mechanisms and DNA damage response pathways. Heme Oxygenase 1 (HMOX1) was among the top upregulated genes, whose induction was ROS-dependent and HMOX1 depletion enhanced chaetocin mediated TRAIL sensitization. Finally, chaetocin and TRAIL combination treatment revealed efficacy in vivo. Taken together, our results provide a novel role for chaetocin as an apoptosis priming agent and its combination with pro-apoptotic therapies might offer new therapeutic approaches for GBMs.
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Affiliation(s)
- Ezgi Ozyerli-Goknar
- Brain Cancer Research and Therapy Laboratory, Koç University School of Medicine, 34450, Istanbul, Turkey
| | - Ilknur Sur-Erdem
- Brain Cancer Research and Therapy Laboratory, Koç University School of Medicine, 34450, Istanbul, Turkey
| | - Fidan Seker
- Brain Cancer Research and Therapy Laboratory, Koç University School of Medicine, 34450, Istanbul, Turkey
| | - Ahmet Cingöz
- Brain Cancer Research and Therapy Laboratory, Koç University School of Medicine, 34450, Istanbul, Turkey
| | - Alisan Kayabolen
- Brain Cancer Research and Therapy Laboratory, Koç University School of Medicine, 34450, Istanbul, Turkey
| | - Zeynep Kahya-Yesil
- Brain Cancer Research and Therapy Laboratory, Koç University School of Medicine, 34450, Istanbul, Turkey
| | - Fırat Uyulur
- Department of Computational Biology, Koç University, 34450, Istanbul, Turkey
| | - Melike Gezen
- Molecular Biology, Genetics and Bioengineering Program, Faculty of Engineering and Natural Sciences, Sabanci University, Istanbul, Turkey
| | - Nazife Tolay
- Molecular Biology, Genetics and Bioengineering Program, Faculty of Engineering and Natural Sciences, Sabanci University, Istanbul, Turkey
| | - Batu Erman
- Molecular Biology, Genetics and Bioengineering Program, Faculty of Engineering and Natural Sciences, Sabanci University, Istanbul, Turkey
| | - Mehmet Gönen
- Department of Industrial Engineering, College of Engineering, Koç University, İstanbul, Turkey
| | - James Dunford
- Botnar Research Centre, NIHR Biomedical Research Centre Oxford, University of Oxford, Oxford, OX3 7LD, UK
| | - Udo Oppermann
- Botnar Research Centre, NIHR Biomedical Research Centre Oxford, University of Oxford, Oxford, OX3 7LD, UK
- Structural Genomics Consortium, University of Oxford, Oxford, OX3 7DQ, UK
- FRIAS, Freiburg Institute of Advanced Studies, University of Freiburg, 79104, Freiburg, Germany
| | - Tugba Bagci-Onder
- Brain Cancer Research and Therapy Laboratory, Koç University School of Medicine, 34450, Istanbul, Turkey.
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