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Cheng J, Li M, Motta E, Barci D, Song W, Zhou D, Li G, Zhu S, Yang A, Vaillant BD, Imhof A, Forné I, Spiegl-Kreinecker S, Zhang N, Katayama H, Bhat KPL, Flüh C, Kälin RE, Glass R. Myeloid cells coordinately induce glioma cell-intrinsic and cell-extrinsic pathways for chemoresistance via GP130 signaling. Cell Rep Med 2024; 5:101658. [PMID: 39053460 DOI: 10.1016/j.xcrm.2024.101658] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 05/10/2024] [Accepted: 07/02/2024] [Indexed: 07/27/2024]
Abstract
The DNA damage response (DDR) and the blood-tumor barrier (BTB) restrict chemotherapeutic success for primary brain tumors like glioblastomas (GBMs). Coherently, GBMs almost invariably relapse with fatal outcomes. Here, we show that the interaction of GBM and myeloid cells simultaneously induces chemoresistance on the genetic and vascular levels by activating GP130 receptor signaling, which can be addressed therapeutically. We provide data from transcriptomic and immunohistochemical screens with human brain material and pharmacological experiments with a humanized organotypic GBM model, proteomics, transcriptomics, and cell-based assays and report that nanomolar concentrations of the signaling peptide humanin promote temozolomide (TMZ) resistance through DDR activation. GBM mouse models recapitulating intratumoral humanin release show accelerated BTB formation. GP130 blockade attenuates both DDR activity and BTB formation, resulting in improved preclinical chemotherapeutic efficacy. Altogether, we describe an overarching mechanism for TMZ resistance and outline a translatable strategy with predictive markers to improve chemotherapy for GBMs.
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Affiliation(s)
- Jiying Cheng
- Neurosurgical Research, University Hospital, LMU Munich, Munich, Germany; Department of Neurosurgery, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, P.R. China
| | - Min Li
- Neurosurgical Research, University Hospital, LMU Munich, Munich, Germany
| | - Edyta Motta
- Max Delbrück Center for Molecular Medicine in the Helmholtz Association, Berlin-Buch, Germany
| | - Deivi Barci
- Neurosurgical Research, University Hospital, LMU Munich, Munich, Germany
| | - Wangyang Song
- Neurosurgical Research, University Hospital, LMU Munich, Munich, Germany
| | - Ding Zhou
- Neurosurgical Research, University Hospital, LMU Munich, Munich, Germany
| | - Gen Li
- Neurosurgical Research, University Hospital, LMU Munich, Munich, Germany
| | - Sihan Zhu
- Neurosurgical Research, University Hospital, LMU Munich, Munich, Germany
| | - Anru Yang
- Neurosurgical Research, University Hospital, LMU Munich, Munich, Germany
| | - Brian D Vaillant
- Department of Neurology, Dell Medical School, The University of Texas at Austin, Austin, TX, USA
| | - Axel Imhof
- Protein Analysis Unit, Biomedical Center (BMC), Faculty of Medicine, Ludwig-Maximilians-University (LMU) Munich, Martinsried, Germany
| | - Ignasi Forné
- Protein Analysis Unit, Biomedical Center (BMC), Faculty of Medicine, Ludwig-Maximilians-University (LMU) Munich, Martinsried, Germany
| | - Sabine Spiegl-Kreinecker
- Department of Neurosurgery, Medical Faculty, Johannes Kepler University Linz, Linz, Austria; Clinical Research Institute for Neurosciences, Johannes Kepler University Linz, Linz, Austria
| | - Nu Zhang
- Department of Neurosurgery, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, P.R. China
| | - Hiroshi Katayama
- Department of Translational Molecular Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | | | - Charlotte Flüh
- Department of Neurosurgery, University Medical Center Göttingen, Göttingen, Germany
| | - Roland E Kälin
- Neurosurgical Research, University Hospital, LMU Munich, Munich, Germany; Department of Neurosurgery, Medical Faculty, Johannes Kepler University Linz, Linz, Austria
| | - Rainer Glass
- Neurosurgical Research, University Hospital, LMU Munich, Munich, Germany; German Cancer Consortium (DKTK), partner site Munich, a partnership between DKFZ and University Hospital Munich, Munich, Germany; Institute of Surgical Research at the Walter Brendel Centre of Experimental Medicine, University Hospital, LMU Munich, Munich, Germany.
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2
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Abband H, Dabirian S, Jafari A, Nasiri M, Nasiri E. Inhibitory effect of temozolomide on apoptosis induction of cinnamaldehyde in human glioblastoma multiforme T98G cell line. Anat Cell Biol 2024; 57:85-96. [PMID: 37994040 PMCID: PMC10968198 DOI: 10.5115/acb.23.159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Revised: 08/28/2023] [Accepted: 09/19/2023] [Indexed: 11/24/2023] Open
Abstract
Glioblastoma is the most common primary malignant brain tumor in adults. Temozolomide (TMZ) is an FDA-approved drug used to treat this type of cancer. Cinnamaldehyde (CIN) is a derivative of cinnamon extract and makes up 99% of it. The aim of this study was to investigate the in vitro combined effect of CIN and TMZ on human glioblastoma multiforme T98G cell line viability. In this study, we used 3-(4,5 dimethylthiazol-2-yl)-2,5-diphenyl-tertazolium bromide (MTT) method to evaluate the extent of IC50, acridine orange, Giemsa and Hoechst staining to evaluate the manner of apoptosis and the Western blotting method to examine the expression change of apoptotic proteins. Our results show that TMZ has an inhibitory effect on CIN when both used in combination at concentrations of 300 and 100 μM (P<0.05) and has a cytotoxic effect when used alone at the same concentrations (P<0.05). The western blotting result showed that TMZ at concentrations of 2,000 and 1,000 μM significantly increased Bax expression and decreased Bcl2 expression (P<0.05), indicating that TMZ induced apoptosis through the mitochondrial pathway. However, CIN had no effect on Bax and Bcl2 expressions, thus causing apoptosis from another pathway. Also, the Bax:Bcl2 expression ratio at concentrations combined was lower than that for TMZ 1,000 μM and higher than that for CIN 150 and 100 μM (P<0.05), which confirms the inhibitory effect of TMZ on CIN. From the present study, we conclude that TMZ in combination with CIN has an inhibitory effect on increasing the cytotoxicity rate.
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Affiliation(s)
- Hedieh Abband
- Department of Anatomy, Cellular and Molecular Research Center, School of Medicine, Guilan University of Medical Sciences, Rasht, Iran
| | - Sara Dabirian
- Department of Pharmaceutical Biotechnology, School of Pharmacy, Guilan University of Medical Sciences, Rasht, Iran
| | - Adele Jafari
- Department of Physiology, School of Medicine, Guilan University of Medical Sciences, Rasht, Iran
| | - Mehran Nasiri
- Department of Anatomy, Cellular and Molecular Research Center, School of Medicine, Guilan University of Medical Sciences, Rasht, Iran
| | - Ebrahim Nasiri
- Department of Anatomy, Cellular and Molecular Research Center, School of Medicine, Guilan University of Medical Sciences, Rasht, Iran
- Neuroscience Research Center, School of Medicine, Guilan University of Medical Sciences, Rasht, Iran
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3
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Shi T, Guo D, Zheng Y, Wang W, Bi J, He A, Fan S, Su G, Zhao X, Zhao Z, Song Y, Sun S, Li P, Zhao Z, Shi J, Lu W, Zhang L. Bivalent activity of super-enhancer RNA LINC02454 controls 3D chromatin structure and regulates glioma sensitivity to temozolomide. Cell Death Dis 2024; 15:6. [PMID: 38177123 PMCID: PMC10766990 DOI: 10.1038/s41419-023-06392-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Revised: 12/07/2023] [Accepted: 12/14/2023] [Indexed: 01/06/2024]
Abstract
Glioma cell sensitivity to temozolomide (TMZ) is critical for effective treatment and correlates with patient survival, although mechanisms underlying this activity are unclear. Here, we reveal a new mechanism used by glioma cells to modulate TMZ sensitivity via regulation of SORBS2 and DDR1 genes by super-enhancer RNA LINC02454. We report that LINC02454 activity increases glioma cell TMZ sensitivity by maintaining long-range chromatin interactions between SORBS2 and the LINC02454 enhancer. By contrast, LINC02454 activity also decreased glioma cell TMZ sensitivity by promoting DDR1 expression. Our study suggests a bivalent function for super-enhancer RNA LINC02454 in regulating glioma cell sensitivity to TMZ.
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Affiliation(s)
- Tengfei Shi
- State Key Laboratory of Medicinal Chemical Biology, Frontiers Science Center for Cell Responses, College of Life Sciences, Nankai University, 300071, Tianjin, China
| | - Dianhao Guo
- Department of Molecular Biology and Biochemistry, School of Clinical and Basic Medical Sciences, Shandong First Medical University & Shandong Academy of Medical Sciences, 250021, Jinan, shandong, China
| | - Yaoqiang Zheng
- State Key Laboratory of Medicinal Chemical Biology, Frontiers Science Center for Cell Responses, College of Life Sciences, Nankai University, 300071, Tianjin, China
| | - Wenbin Wang
- State Key Laboratory of Medicinal Chemical Biology, Frontiers Science Center for Cell Responses, College of Life Sciences, Nankai University, 300071, Tianjin, China
| | - Jinfang Bi
- Institute of Precision Medicine, The First Affiliated Hospital, Sun Yat-Sen University, 510030, Guangzhou, China
| | - Anshun He
- State Key Laboratory of Medicinal Chemical Biology, Frontiers Science Center for Cell Responses, College of Life Sciences, Nankai University, 300071, Tianjin, China
| | - Sibo Fan
- State Key Laboratory of Medicinal Chemical Biology, Frontiers Science Center for Cell Responses, College of Life Sciences, Nankai University, 300071, Tianjin, China
| | - Guangsong Su
- Institute of Precision Medicine, The First Affiliated Hospital, Sun Yat-Sen University, 510030, Guangzhou, China
| | - Xueyuan Zhao
- State Key Laboratory of Medicinal Chemical Biology, Frontiers Science Center for Cell Responses, College of Life Sciences, Nankai University, 300071, Tianjin, China
| | - Zhenhao Zhao
- State Key Laboratory of Medicinal Chemical Biology, Frontiers Science Center for Cell Responses, College of Life Sciences, Nankai University, 300071, Tianjin, China
| | - Yingjie Song
- State Key Laboratory of Medicinal Chemical Biology, Frontiers Science Center for Cell Responses, College of Life Sciences, Nankai University, 300071, Tianjin, China
| | - Shupeng Sun
- Department of Neurosurgery, Tianjin Huanhu Hospital, School of Medicine, Nankai University, 6 Jizhao Road, 300350, Tianjin, China
| | - Peng Li
- State Key Laboratory of Medicinal Chemical Biology, Frontiers Science Center for Cell Responses, College of Life Sciences, Nankai University, 300071, Tianjin, China
| | - Zhongfang Zhao
- State Key Laboratory of Medicinal Chemical Biology, Frontiers Science Center for Cell Responses, College of Life Sciences, Nankai University, 300071, Tianjin, China
| | - Jiandang Shi
- State Key Laboratory of Medicinal Chemical Biology, Frontiers Science Center for Cell Responses, College of Life Sciences, Nankai University, 300071, Tianjin, China
| | - Wange Lu
- State Key Laboratory of Medicinal Chemical Biology, Frontiers Science Center for Cell Responses, College of Life Sciences, Nankai University, 300071, Tianjin, China.
| | - Lei Zhang
- State Key Laboratory of Medicinal Chemical Biology, Frontiers Science Center for Cell Responses, College of Life Sciences, Nankai University, 300071, Tianjin, China.
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4
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Song P, Li H, Xu K, Li ZW, Ren X, Fu XJ. A bibliometric and visualization-based analysis of temozolomide research hotspots and frontier evolution. Front Oncol 2022; 12:905868. [DOI: 10.3389/fonc.2022.905868] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Accepted: 10/28/2022] [Indexed: 11/17/2022] Open
Abstract
The literature related to TMZ research in the Web of Science (WOS) database was analyzed using bibliometrics and visualization by Citespace and VOSviewer.The publication status (number of publications, institutions, and frequency of citations), collaborations, and research focus was analyzed to clarify the current situation of TMZ research. And the recent research on TMZ provides a detailed summary. Based on objective data analysis, this study provides a complete analysis portraying the progression of historical milestones in TMZ development and future research directions from various TMZ research domains.
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Anti-glioblastoma effects of phenolic variants of benzoylphenoxyacetamide (BPA) with high potential for blood brain barrier penetration. Sci Rep 2022; 12:3384. [PMID: 35232976 PMCID: PMC8888627 DOI: 10.1038/s41598-022-07247-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Accepted: 02/14/2022] [Indexed: 12/13/2022] Open
Abstract
Glioblastomas are the most aggressive brain tumors for which therapeutic options are limited. Current therapies against glioblastoma include surgical resection, followed by radiotherapy plus concomitant treatment and maintenance with temozolomide (TMZ), however, these standard therapies are often ineffective, and average survival time for glioblastoma patients is between 12 and 18 months. We have previously reported a strong anti-glioblastoma activity of several metabolic compounds, which were synthetized based compounds, which were synthetized based on the chemical structure of a common lipid-lowering drug, fenofibrate, and share a general molecular skeleton of benzoylphenoxyacetamide (BPA). Extensive computational analyses of phenol and naphthol moieties added to the BPA skeleton were performed in this study with the objective of selecting new BPA variants for subsequent compound preparation and anti-glioblastoma testing. Initially, 81 structural variations were considered and their physical properties such as solubility (logS), blood–brain partitioning (logBB), and probability of entering the CNS calculated by the Central Nervous System—Multiparameter Optimization (MPO-CNS) algorithm were evaluated. From this initial list, 18 compounds were further evaluated for anti-glioblastoma activity in vitro. Nine compounds demonstrated desirable glioblastoma cell toxicity in cell culture, and two of them, HR51, and HR59 demonstrated significantly improved capability of crossing the model blood–brain-barrier (BBB) composed of endothelial cells, astrocytes and pericytes.
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Single-cell RNA sequencing reveals evolution of immune landscape during glioblastoma progression. Nat Immunol 2022; 23:971-984. [PMID: 35624211 PMCID: PMC9174057 DOI: 10.1038/s41590-022-01215-0] [Citation(s) in RCA: 76] [Impact Index Per Article: 38.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Accepted: 04/18/2022] [Indexed: 01/22/2023]
Abstract
Glioblastoma (GBM) is an incurable primary malignant brain cancer hallmarked with a substantial protumorigenic immune component. Knowledge of the GBM immune microenvironment during tumor evolution and standard of care treatments is limited. Using single-cell transcriptomics and flow cytometry, we unveiled large-scale comprehensive longitudinal changes in immune cell composition throughout tumor progression in an epidermal growth factor receptor-driven genetic mouse GBM model. We identified subsets of proinflammatory microglia in developing GBMs and anti-inflammatory macrophages and protumorigenic myeloid-derived suppressors cells in end-stage tumors, an evolution that parallels breakdown of the blood-brain barrier and extensive growth of epidermal growth factor receptor+ GBM cells. A similar relationship was found between microglia and macrophages in patient biopsies of low-grade glioma and GBM. Temozolomide decreased the accumulation of myeloid-derived suppressor cells, whereas concomitant temozolomide irradiation increased intratumoral GranzymeB+ CD8+T cells but also increased CD4+ regulatory T cells. These results provide a comprehensive and unbiased immune cellular landscape and its evolutionary changes during GBM progression.
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Liu Z, Wang R, Peng Y, Wei W, Zhou Y, Li X, Xia Y. A novel nomogram based on DNA damage response-related gene expression in patients with O-6-methylguanine-DNA methyltransferase unmethylated glioblastoma receiving temozolomide chemotherapy: A population-based analysis. GLIOMA 2022. [DOI: 10.4103/glioma.glioma_3_22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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8
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Miao YB, Chen KH, Chen CT, Mi FL, Lin YJ, Chang Y, Chiang CS, Wang JT, Lin KJ, Sung HW. A Noninvasive Gut-to-Brain Oral Drug Delivery System for Treating Brain Tumors. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2100701. [PMID: 34270814 DOI: 10.1002/adma.202100701] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Revised: 04/06/2021] [Indexed: 06/13/2023]
Abstract
Most orally administered drugs fail to reach the intracerebral regions because of the intestinal epithelial barrier (IEB) and the blood-brain barrier (BBB), which are located between the gut and the brain. Herein, an oral prodrug delivery system that can overcome both the IEB and the BBB noninvasively is developed for treating gliomas. The prodrug is prepared by conjugating an anticancer drug on β-glucans using a disulfide-containing linker. Following oral administration in glioma-bearing mice, the as-prepared prodrug can specifically target intestinal M cells, transpass the IEB, and be phagocytosed/hitchhiked by local macrophages (Mϕ). The Mϕ-hitchhiked prodrug is transported to the circulatory system via the lymphatic system, crossing the BBB. The tumor-overexpressed glutathione then cleaves the disulfide bond within the prodrug, releasing the active drug, improving its therapeutic efficacy. These findings reveal that the developed prodrug may serve as a gut-to-brain oral drug delivery platform for the well-targeted treatment of gliomas.
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Affiliation(s)
- Yang-Bao Miao
- Department of Chemical Engineering and Frontier Research Center on Fundamental and Applied Sciences of Matters, National Tsing Hua University, Hsinchu, 30013, Taiwan
| | - Kuan-Hung Chen
- Department of Chemical Engineering and Frontier Research Center on Fundamental and Applied Sciences of Matters, National Tsing Hua University, Hsinchu, 30013, Taiwan
| | - Chiung-Tong Chen
- Institute of Biotechnology and Pharmaceutical Research, National Health Research Institutes, Zhunan, Miaoli, 35053, Taiwan
| | - Fwu-Long Mi
- Department of Biochemistry and Molecular Cell Biology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, 23142, Taiwan
| | - Yu-Jung Lin
- Research Center for Applied Sciences, Academia Sinica, Taipei, 11529, Taiwan
| | - Yen Chang
- Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation and School of Medicine, Tzu Chi University, Hualien, 97004, Taiwan
| | - Chi-Shiun Chiang
- Department of Biomedical Engineering and Environmental Sciences, National Tsing Hua University, Hsinchu, 30013, Taiwan
| | - Jui-To Wang
- Neurological Institute, Department of Neurosurgery, Taipei Veterans General Hospital, Taipei, 11217, Taiwan
- Institute of Brain Science, National Yang-Ming University, Taipei, 11221, Taiwan
| | - Kun-Ju Lin
- Department of Nuclear Medicine and Molecular Imaging Center, Linkou Chang Gung Memorial Hospital, and Department of Medical Imaging and Radiological Sciences, Chang Gung University, Taoyuan, 33302, Taiwan
| | - Hsing-Wen Sung
- Department of Chemical Engineering and Frontier Research Center on Fundamental and Applied Sciences of Matters, National Tsing Hua University, Hsinchu, 30013, Taiwan
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Xue BZ, Xiang W, Zhang Q, Wang HF, Zhou YJ, Tian H, Abdelmaksou A, Xue J, Sun MX, Yi DY, Xiong NX, Jiang XB, Zhao HY, Fu P. CD90 low glioma-associated mesenchymal stromal/stem cells promote temozolomide resistance by activating FOXS1-mediated epithelial-mesenchymal transition in glioma cells. Stem Cell Res Ther 2021; 12:394. [PMID: 34256854 PMCID: PMC8278613 DOI: 10.1186/s13287-021-02458-8] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Accepted: 06/14/2021] [Indexed: 12/29/2022] Open
Abstract
Background The tumour microenvironment contributes to chemotherapy resistance in gliomas, and glioma-associated mesenchymal stromal/stem cells (gaMSCs) are important stromal cell components that play multiple roles in tumour progression. However, whether gaMSCs affect chemotherapy resistance to the first-line agent temozolomide (TMZ) remains unclear. Herein, we explored the effect and mechanism of gaMSCs on resistance to TMZ in glioma cells. Methods Human glioma cells (cell line U87MG and primary glioblastoma cell line GBM-1) were cultured in conditioned media of gaMSCs and further treated with TMZ. The proliferation, apoptosis and migration of glioma cells were detected by Cell Counting Kit-8 (CCK-8), flow cytometry and wound-healing assays. The expression of FOXS1 in glioma cells was analysed by gene microarray, PCR and Western blotting. Then, FOXS1 expression in glioma cells was up- and downregulated by lentivirus transfection, and markers of the epithelial-mesenchymal transformation (EMT) process were detected. Tumour-bearing nude mice were established with different glioma cells and treated with TMZ to measure tumour size, survival time and Ki-67 expression. Finally, the expression of IL-6 in gaMSC subpopulations and its effects on FOXS1 expression in glioma cells were also investigated. Results Conditioned media of gaMSCs promoted the proliferation, migration and chemotherapy resistance of glioma cells. The increased expression of FOXS1 and activation of the EMT process in glioma cells under gaMSC-conditioned media were detected. The relationship of FOXS1, EMT and chemotherapy resistance in glioma cells was demonstrated through the regulation of FOXS1 expression in vitro and in vivo. Moreover, FOXS1 expression in glioma cells was increased by secretion of IL-6 mainly from the CD90low gaMSC subpopulation. Conclusions CD90low gaMSCs could increase FOXS1 expression in glioma cells by IL-6 secretion, thereby activating epithelial-mesenchymal transition and resistance to TMZ in glioma cells. These results indicate a new role of gaMSCs in chemotherapy resistance and provide novel therapeutic targets. Supplementary Information The online version contains supplementary material available at 10.1186/s13287-021-02458-8.
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Affiliation(s)
- Bing-Zhou Xue
- Department of Neurosurgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Wei Xiang
- Department of Neurosurgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Qing Zhang
- Department of Neurosurgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.,Brain Tumor Research Center, Beijing Neurosurgical Institute, Capital Medical University, Beijing, 100050, China
| | - Hao-Fei Wang
- Department of Neurosurgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Yu-Jie Zhou
- Department of Neurosurgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Han Tian
- Department of Neurosurgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Ahmed Abdelmaksou
- Department of Neurosurgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.,Department of Neurosurgery, Faculty of Medicine, Helwan University, Cairo, 11435, Egypt
| | - Jian Xue
- Henan Vocational University of Science and Technology, Zhoukou, 466000, China
| | - Min-Xuan Sun
- Jiangsu Key Lab of Medical Optics, Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences, Suzhou, 215163, China
| | - Dong-Ye Yi
- Department of Neurosurgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Nan-Xiang Xiong
- Department of Neurosurgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Xiao-Bing Jiang
- Department of Neurosurgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Hong-Yang Zhao
- Department of Neurosurgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Peng Fu
- Department of Neurosurgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.
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Karachi A, Yang C, Dastmalchi F, Sayour EJ, Huang J, Azari H, Long Y, Flores C, Mitchell DA, Rahman M. Modulation of temozolomide dose differentially affects T-cell response to immune checkpoint inhibition. Neuro Oncol 2020; 21:730-741. [PMID: 30668768 DOI: 10.1093/neuonc/noz015] [Citation(s) in RCA: 56] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND The changes induced in host immunity and the tumor microenvironment by chemotherapy have been shown to impact immunotherapy response in both a positive and a negative fashion. Temozolomide is the most common chemotherapy used to treat glioblastoma (GBM) and has been shown to have variable effects on immune response to immunotherapy. Therefore, we aimed to determine the immune modulatory effects of temozolomide that would impact response to immune checkpoint inhibition in the treatment of experimental GBM. METHODS Immune function and antitumor efficacy of immune checkpoint inhibition were tested after treatment with metronomic dose (MD) temozolomide (25 mg/kg × 10 days) or standard dose (SD) temozolomide (50 mg/kg × 5 days) in the GL261 and KR158 murine glioma models. RESULTS SD temozolomide treatment resulted in an upregulation of markers of T-cell exhaustion such as LAG-3 and TIM-3 in lymphocytes which was not seen with MD temozolomide. When temozolomide treatment was combined with programmed cell death 1 (PD-1) antibody therapy, the MD temozolomide/PD-1 antibody group demonstrated a decrease in exhaustion markers in tumor infiltrating lymphocytes that was not observed in the SD temozolomide/PD-1 antibody group. Also, the survival advantage of PD-1 antibody therapy in a murine syngeneic intracranial glioma model was abrogated by adding SD temozolomide to treatment. However, when MD temozolomide was added to PD-1 inhibition, it preserved the survival benefit that was seen by PD-1 antibody therapy alone. CONCLUSION The peripheral and intratumoral immune microenvironments are distinctively affected by dose modulation of temozolomide.
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Affiliation(s)
- Aida Karachi
- Preston A. Wells, Jr. Center for Brain Tumor Therapy, UF Brain Tumor Immunotherapy Program, Lillian S. Wells Department of Neurosurgery, University of Florida, Gainesville, Florida
| | - Changlin Yang
- Preston A. Wells, Jr. Center for Brain Tumor Therapy, UF Brain Tumor Immunotherapy Program, Lillian S. Wells Department of Neurosurgery, University of Florida, Gainesville, Florida
| | - Farhad Dastmalchi
- Preston A. Wells, Jr. Center for Brain Tumor Therapy, UF Brain Tumor Immunotherapy Program, Lillian S. Wells Department of Neurosurgery, University of Florida, Gainesville, Florida
| | - Elias J Sayour
- Preston A. Wells, Jr. Center for Brain Tumor Therapy, UF Brain Tumor Immunotherapy Program, Lillian S. Wells Department of Neurosurgery, University of Florida, Gainesville, Florida
| | - Jianping Huang
- Preston A. Wells, Jr. Center for Brain Tumor Therapy, UF Brain Tumor Immunotherapy Program, Lillian S. Wells Department of Neurosurgery, University of Florida, Gainesville, Florida
| | - Hassan Azari
- Preston A. Wells, Jr. Center for Brain Tumor Therapy, UF Brain Tumor Immunotherapy Program, Lillian S. Wells Department of Neurosurgery, University of Florida, Gainesville, Florida
| | - Yu Long
- Preston A. Wells, Jr. Center for Brain Tumor Therapy, UF Brain Tumor Immunotherapy Program, Lillian S. Wells Department of Neurosurgery, University of Florida, Gainesville, Florida
| | - Catherine Flores
- Preston A. Wells, Jr. Center for Brain Tumor Therapy, UF Brain Tumor Immunotherapy Program, Lillian S. Wells Department of Neurosurgery, University of Florida, Gainesville, Florida
| | - Duane A Mitchell
- Preston A. Wells, Jr. Center for Brain Tumor Therapy, UF Brain Tumor Immunotherapy Program, Lillian S. Wells Department of Neurosurgery, University of Florida, Gainesville, Florida
| | - Maryam Rahman
- Preston A. Wells, Jr. Center for Brain Tumor Therapy, UF Brain Tumor Immunotherapy Program, Lillian S. Wells Department of Neurosurgery, University of Florida, Gainesville, Florida
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11
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Exploring anticancer activity of structurally modified benzylphenoxyacetamide (BPA); I: Synthesis strategies and computational analyses of substituted BPA variants with high anti-glioblastoma potential. Sci Rep 2019; 9:17021. [PMID: 31745126 PMCID: PMC6864087 DOI: 10.1038/s41598-019-53207-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2019] [Accepted: 10/21/2019] [Indexed: 12/12/2022] Open
Abstract
Structural variations of the benzylphenoxyacetamide (BPA) molecular skeleton were explored as a viable starting point for designing new anti-glioblastoma drug candidates. Hand-to-hand computational evaluation, chemical modifications, and cell viability testing were performed to explore the importance of some of the structural properties in order to generate, retain, and improve desired anti-glioblastoma characteristics. It was demonstrated that several structural features are required to retain the anti-glioblastoma activity, including a carbonyl group of the benzophenone moiety, as well as 4′-chloro and 2,2-dimethy substituents. In addition, the structure of the amide moiety can be modified in such a way that desirable anti-glioblastoma and physical properties can be improved. Via these structural modifications, more than 50 compounds were prepared and tested for anti-glioblastoma activity. Four compounds were identified (HR28, HR32, HR37, and HR46) that in addition to HR40 (PP1) from our previous study, have been determined to have desirable physical and biological properties. These include high glioblastoma cytotoxicity at low μM concentrations, improved water solubility, and the ability to penetrate the blood brain barrier (BBB), which indicate a potential for becoming a new class of anti-glioblastoma drugs.
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Shin S, Lim S, Song JY, Kim D, Choi MJ, Gadhe CG, Park AY, Pae AN, Kim YK. Development of an Aryloxazole Derivative as a Brain-Permeable Anti-Glioblastoma Agent. Pharmaceutics 2019; 11:pharmaceutics11100497. [PMID: 31569420 PMCID: PMC6835410 DOI: 10.3390/pharmaceutics11100497] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2019] [Revised: 09/26/2019] [Accepted: 09/27/2019] [Indexed: 11/16/2022] Open
Abstract
Glioblastoma drug development has been difficult due to the extremely low blood brain barrier (BBB) penetration of conventional anti-cancer agents. P-glycoprotein, an efflux membrane transporter, is responsible for the poor brain uptake of small and hydrophobic drug substances. To develop brain-penetrable anti-tumor agents, we designed colchicine derivatives containing an aryloxazole moiety, which is known to inhibit P-glycoprotein. Among those tested, an aryloxazole derivative named KIST-G1 showed the strongest anti-glioblastoma cell proliferation activity (IC50 = 3.2 ± 0.8 nM). Compared to colchicine, KIST-G1 showed dramatically increased BBB-permeable properties presenting 51.7 ± 0.5 (10-6 cm/s) parallel artificial membrane permeability assay (PAMPA) permeability and 45.0 ± 6.0% of P-gp inhibition. Aid by the BBB-permeable properties, KIST-G1 (5 mg/kg) suppressed glioblastoma cell growth and migration almost completely in the brain of glioblastoma xenograft models by showing 98.2 ± 0.1% reduced tumor area compared with phosphate buffered saline (PBS)-injected control. In comparison, temozolomide, which is the most widely used drug for glioblastoma, showed only moderate effects. Our results demonstrate the effectiveness of an aryloxazole moiety in targeting brain tumors and suggest KIST-G1 as a potent anti-glioblastoma agent.
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Affiliation(s)
- Seulgi Shin
- Convergence Research Center for Diagnosis, Treatment and Care System of Dementia, Brain science institute, Korea Institute of Science and Technology (KIST), Seoul 02791, Korea.
- Department of Biological Chemistry, University of Science and Technology (UST), Daejeon 34113, Korea.
| | - Sungsu Lim
- Convergence Research Center for Diagnosis, Treatment and Care System of Dementia, Brain science institute, Korea Institute of Science and Technology (KIST), Seoul 02791, Korea.
| | - Ji Yeon Song
- Convergence Research Center for Diagnosis, Treatment and Care System of Dementia, Brain science institute, Korea Institute of Science and Technology (KIST), Seoul 02791, Korea.
| | - Dohee Kim
- Convergence Research Center for Diagnosis, Treatment and Care System of Dementia, Brain science institute, Korea Institute of Science and Technology (KIST), Seoul 02791, Korea.
| | - Min Jeong Choi
- Convergence Research Center for Diagnosis, Treatment and Care System of Dementia, Brain science institute, Korea Institute of Science and Technology (KIST), Seoul 02791, Korea.
| | - Changdev G Gadhe
- Convergence Research Center for Diagnosis, Treatment and Care System of Dementia, Brain science institute, Korea Institute of Science and Technology (KIST), Seoul 02791, Korea.
| | - A Young Park
- Convergence Research Center for Diagnosis, Treatment and Care System of Dementia, Brain science institute, Korea Institute of Science and Technology (KIST), Seoul 02791, Korea.
| | - Ae Nim Pae
- Convergence Research Center for Diagnosis, Treatment and Care System of Dementia, Brain science institute, Korea Institute of Science and Technology (KIST), Seoul 02791, Korea.
- Department of Biological Chemistry, University of Science and Technology (UST), Daejeon 34113, Korea.
| | - Yun Kyung Kim
- Convergence Research Center for Diagnosis, Treatment and Care System of Dementia, Brain science institute, Korea Institute of Science and Technology (KIST), Seoul 02791, Korea.
- Department of Biological Chemistry, University of Science and Technology (UST), Daejeon 34113, Korea.
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Chemically Modified Variants of Fenofibrate with Antiglioblastoma Potential. Transl Oncol 2019; 12:895-907. [PMID: 31078963 PMCID: PMC6514324 DOI: 10.1016/j.tranon.2019.04.006] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2019] [Revised: 04/08/2019] [Accepted: 04/10/2019] [Indexed: 01/30/2023] Open
Abstract
Anticancer effects of a common lipid-lowering drug, fenofibrate, have been described in the literature for a quite some time; however, fenofibrate has not been used as a direct anticancer therapy. We have previously reported that fenofibrate in its unprocessed form (ester) accumulates in the mitochondria, inhibits mitochondrial respiration, and triggers a severe energy deficit and extensive glioblastoma cell death. However, fenofibrate does not cross the blood brain barrier and is quickly processed by blood and tissue esterases to form the PPARα agonist fenofibric acid, which is practically ineffective effective in triggering cancer cell death. To address these issues, we have made several chemical modifications in fenofibrate structure to increase its stability, water solubility, tissue penetration, and ultimately anticancer potential. Our data show that, in comparison to fenofibrate, four new compounds designated here as PP1, PP2, PP3, and PP4 have improved anticancer activity in vitro. Like fenofibrate, the compounds block mitochondrial respiration and trigger massive glioblastoma cell death in vitro. In addition, one of the lead compounds, PP1, has improved water solubility and is significantly more stable when exposed to human blood in comparison to fenofibrate. Importantly, mice bearing large intracranial glioblastoma tumors demonstrated extensive areas of tumor cell death within the tumor mass following oral administration of PP1, and the treated mice did not show any major signs of distress, and accumulated PP1 at therapeutically relevant concentrations in several tissues, including brain and intracranial tumors.
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Guo Z, Wang H, Wei J, Han L, Li Z. Sequential treatment of phenethyl isothiocyanate increases sensitivity of Temozolomide resistant glioblastoma cells by decreasing expression of MGMT via NF-κB pathway. Am J Transl Res 2019; 11:696-708. [PMID: 30899372 PMCID: PMC6413290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2018] [Accepted: 12/23/2018] [Indexed: 06/09/2023]
Abstract
BACKGROUND Existence of acquired or intrinsic resistance to Temozolomide (TMD) remains a point of concern in treating glioblastoma (GBM). Here we established mechanism by which Phenethyl isothiocyanate (PEITC) reverses TMD resistance in T98G cell lines both in vitro and in vivo. METHODS For the study TMD-resistant cell lines were generated by stepwise exposing the parental cell lines (U87 and U373) to TMD. The 50% inhibitory concentration (IC50) values were established. MTT assay was done for cell survival studies, apoptosis assay by FITC Annexin V/PI staining, luciferase reporter assay for NF-κB transcription activity, cell colony survival and cell invasion assay, protein expression by western blot was done. For in vivo studies nude mouse model of GBM was established, TUNEL assay was done for apoptosis in tumor specimens. RESULTS We established that T98G, U87-R and U373-R showed higher NF-κB activity and exhibited higher IC50 of TMD with significantly increased MGMT expression compared to untreated cells. Next, we found that PEITC suppressed proliferation of resistant GBM cells, inhibited NF-κB activity, decreased expression of MGMT and reversed the resistance in U373-R, U87-R and T98G cells. Exposure to PEITC followed by sequential treatment of TMD produced synergistic effect. In U373-R grafted xenografts mouse model PEITC suppressed cell growth and enhanced cell death. CONCLUSION Altogether, the present research established that combination of PEITC with TMD could enhance its clinical efficacy in resistant GBM by suppressing MGMT via inhibiting NF-κB activity.
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Affiliation(s)
- Zhigang Guo
- Department of Neurosurgery, China-Japan Union Hospital of Jilin UniversityNo. 126, Xiantai Street, Changchun 130033, China
| | - Han Wang
- Clinical Laboratory The Affiliated Hospital of Changchun University of Traditional Chinese MedicineNo. 1478, Gongnong Road, Changchun 130021, China
| | - Jun Wei
- Surgery Institute, China-Japan Union Hospital of Jilin UniversityNo. 126, Xiantai Street, Changchun 130033, China
| | - Liang Han
- Department of Pathology, China-Japan Union Hospital of Jilin UniversityNo. 126, Xiantai Street, Changchun 130033, China
| | - Zhaohui Li
- Department of Neurosurgery, China-Japan Union Hospital of Jilin UniversityNo. 126, Xiantai Street, Changchun 130033, China
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Sulforaphane from Cruciferous Vegetables: Recent Advances to Improve Glioblastoma Treatment. Nutrients 2018; 10:nu10111755. [PMID: 30441761 PMCID: PMC6267435 DOI: 10.3390/nu10111755] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2018] [Revised: 11/09/2018] [Accepted: 11/12/2018] [Indexed: 02/07/2023] Open
Abstract
Sulforaphane (SFN), an isothiocyanate (ITC) derived from cruciferous vegetables, particularly broccoli and broccoli sprouts, has been widely investigated due to its promising health-promoting properties in disease, and low toxicity in normal tissue. Although not yet fully understood, many mechanisms of anticancer activity at each step of cancer development have been attributed to this ITC. Given the promising data available regarding SFN, this review aimed to provide an overview on the potential activities of SFN related to the cellular mechanisms involved in glioblastoma (GBM) progression. GBM is the most frequent malignant brain tumor among adults and is currently an incurable disease due mostly to its highly invasive phenotype, and the poor efficacy of the available therapies. Despite all efforts, the median overall survival of GBM patients remains approximately 1.5 years under therapy. Therefore, there is an urgent need to provide support for translating the progress in understanding the molecular background of GBM into more complex, but promising therapeutic strategies, in which SFN may find a leading role.
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Molecular and Structural Traits of Insulin Receptor Substrate 1/LC3 Nuclear Structures and Their Role in Autophagy Control and Tumor Cell Survival. Mol Cell Biol 2018; 38:MCB.00608-17. [PMID: 29483302 DOI: 10.1128/mcb.00608-17] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2017] [Accepted: 02/21/2018] [Indexed: 11/20/2022] Open
Abstract
Insulin receptor substrate 1 (IRS-1) is a common cytosolic adaptor molecule involved in signal transduction from insulin and insulin-like growth factor I (IGF-I) receptors. IRS-1 can also be found in the nucleus. We report here a new finding of unique IRS-1 nuclear structures, which we observed initially in glioblastoma biopsy specimens and glioblastoma xenografts. These nuclear structures can be reproduced in vitro by the ectopic expression of IRS-1 cDNA cloned in frame with the nuclear localization signal (NLS-IRS-1). In these structures, IRS-1 localizes at the periphery, while the center harbors a key autophagy protein, LC3. These new nuclear structures are highly dynamic, rapidly exchange IRS-1 molecules with the surrounding nucleoplasm, disassemble during mitosis, and require a growth stimulus for their reassembly and maintenance. In tumor cells engineered to express NLS-IRS-1, the IRS-1/LC3 nuclear structures repress autophagy induced by either amino acid starvation or rapamycin treatment. In this process, IRS-1 nuclear structures sequester LC3 inside the nucleus, possibly preventing its cytosolic translocation and the formation of new autophagosomes. This novel mechanism provides a quick and reversible way of inhibiting autophagy, which could counteract autophagy-induced cancer cell death under severe stress, including anticancer therapies.
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Laramy JK, Kim M, Gupta SK, Parrish KE, Zhang S, Bakken KK, Carlson BL, Mladek AC, Ma DJ, Sarkaria JN, Elmquist WF. Heterogeneous Binding and Central Nervous System Distribution of the Multitargeted Kinase Inhibitor Ponatinib Restrict Orthotopic Efficacy in a Patient-Derived Xenograft Model of Glioblastoma. J Pharmacol Exp Ther 2017; 363:136-147. [PMID: 28847917 DOI: 10.1124/jpet.117.243477] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2017] [Accepted: 08/21/2017] [Indexed: 01/11/2023] Open
Abstract
This study investigated how differences in drug distribution and free fraction at different tumor and tissue sites influence the efficacy of the multikinase inhibitor ponatinib in a patient-derived xenograft model of glioblastoma (GBM). Efficacy studies in GBM6 flank (heterotopic) and intracranial (orthotopic) models showed that ponatinib is effective in the flank but not in the intracranial model, despite a relatively high brain-to-plasma ratio. In vitro binding studies indicated that flank tumor had a higher free (unbound) drug fraction than normal brain. The total and free drug concentrations, along with the tissue-to-plasma ratio (Kp) and its unbound derivative (Kp,uu), were consistently higher in the flank tumor than the normal brain at 1 and 6 hours after a single dose in GBM6 flank xenografts. In the orthotopic xenografts, the intracranial tumor core displayed higher Kp and Kp,uu values compared with the brain-around-tumor (BAT). The free fractions and the total drug concentrations, hence free drug concentrations, were consistently higher in the core than in the BAT at 1 and 6 hours postdose. The delivery disadvantages in the brain and BAT were further evidenced by the low total drug concentrations in these areas that did not consistently exceed the in vitro cytotoxic concentration (IC50). Taken together, the regional differences in free drug exposure across the intracranial tumor may be responsible for compromising efficacy of ponatinib in orthotopic GBM6.
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Affiliation(s)
- Janice K Laramy
- Brain Barriers Research Center, Department of Pharmaceutics, College of Pharmacy, University of Minnesota, Minneapolis, Minnesota (J.K.L., M.K., K.E.P., S.Z., W.F.E.) and Department of Radiation Oncology, Mayo Clinic, Rochester, Minnesota (S.K.G., K.K.B., B.L.C., A.C.M., D.J.M., J.N.S.)
| | - Minjee Kim
- Brain Barriers Research Center, Department of Pharmaceutics, College of Pharmacy, University of Minnesota, Minneapolis, Minnesota (J.K.L., M.K., K.E.P., S.Z., W.F.E.) and Department of Radiation Oncology, Mayo Clinic, Rochester, Minnesota (S.K.G., K.K.B., B.L.C., A.C.M., D.J.M., J.N.S.)
| | - Shiv K Gupta
- Brain Barriers Research Center, Department of Pharmaceutics, College of Pharmacy, University of Minnesota, Minneapolis, Minnesota (J.K.L., M.K., K.E.P., S.Z., W.F.E.) and Department of Radiation Oncology, Mayo Clinic, Rochester, Minnesota (S.K.G., K.K.B., B.L.C., A.C.M., D.J.M., J.N.S.)
| | - Karen E Parrish
- Brain Barriers Research Center, Department of Pharmaceutics, College of Pharmacy, University of Minnesota, Minneapolis, Minnesota (J.K.L., M.K., K.E.P., S.Z., W.F.E.) and Department of Radiation Oncology, Mayo Clinic, Rochester, Minnesota (S.K.G., K.K.B., B.L.C., A.C.M., D.J.M., J.N.S.)
| | - Shuangling Zhang
- Brain Barriers Research Center, Department of Pharmaceutics, College of Pharmacy, University of Minnesota, Minneapolis, Minnesota (J.K.L., M.K., K.E.P., S.Z., W.F.E.) and Department of Radiation Oncology, Mayo Clinic, Rochester, Minnesota (S.K.G., K.K.B., B.L.C., A.C.M., D.J.M., J.N.S.)
| | - Katrina K Bakken
- Brain Barriers Research Center, Department of Pharmaceutics, College of Pharmacy, University of Minnesota, Minneapolis, Minnesota (J.K.L., M.K., K.E.P., S.Z., W.F.E.) and Department of Radiation Oncology, Mayo Clinic, Rochester, Minnesota (S.K.G., K.K.B., B.L.C., A.C.M., D.J.M., J.N.S.)
| | - Brett L Carlson
- Brain Barriers Research Center, Department of Pharmaceutics, College of Pharmacy, University of Minnesota, Minneapolis, Minnesota (J.K.L., M.K., K.E.P., S.Z., W.F.E.) and Department of Radiation Oncology, Mayo Clinic, Rochester, Minnesota (S.K.G., K.K.B., B.L.C., A.C.M., D.J.M., J.N.S.)
| | - Ann C Mladek
- Brain Barriers Research Center, Department of Pharmaceutics, College of Pharmacy, University of Minnesota, Minneapolis, Minnesota (J.K.L., M.K., K.E.P., S.Z., W.F.E.) and Department of Radiation Oncology, Mayo Clinic, Rochester, Minnesota (S.K.G., K.K.B., B.L.C., A.C.M., D.J.M., J.N.S.)
| | - Daniel J Ma
- Brain Barriers Research Center, Department of Pharmaceutics, College of Pharmacy, University of Minnesota, Minneapolis, Minnesota (J.K.L., M.K., K.E.P., S.Z., W.F.E.) and Department of Radiation Oncology, Mayo Clinic, Rochester, Minnesota (S.K.G., K.K.B., B.L.C., A.C.M., D.J.M., J.N.S.)
| | - Jann N Sarkaria
- Brain Barriers Research Center, Department of Pharmaceutics, College of Pharmacy, University of Minnesota, Minneapolis, Minnesota (J.K.L., M.K., K.E.P., S.Z., W.F.E.) and Department of Radiation Oncology, Mayo Clinic, Rochester, Minnesota (S.K.G., K.K.B., B.L.C., A.C.M., D.J.M., J.N.S.)
| | - William F Elmquist
- Brain Barriers Research Center, Department of Pharmaceutics, College of Pharmacy, University of Minnesota, Minneapolis, Minnesota (J.K.L., M.K., K.E.P., S.Z., W.F.E.) and Department of Radiation Oncology, Mayo Clinic, Rochester, Minnesota (S.K.G., K.K.B., B.L.C., A.C.M., D.J.M., J.N.S.)
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LAN FENGMING, YANG YANG, HAN JING, WU QIAOLI, YU HUIMING, YUE XIAO. Sulforaphane reverses chemo-resistance to temozolomide in glioblastoma cells by NF-κB-dependent pathway downregulating MGMT expression. Int J Oncol 2015; 48:559-68. [DOI: 10.3892/ijo.2015.3271] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2015] [Accepted: 11/05/2015] [Indexed: 11/06/2022] Open
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Erice O, Smith MP, White R, Goicoechea I, Barriuso J, Jones C, Margison GP, Acosta JC, Wellbrock C, Arozarena I. MGMT Expression Predicts PARP-Mediated Resistance to Temozolomide. Mol Cancer Ther 2015; 14:1236-46. [PMID: 25777962 DOI: 10.1158/1535-7163.mct-14-0810] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2014] [Accepted: 03/08/2015] [Indexed: 11/16/2022]
Abstract
Melanoma and other solid cancers are frequently resistant to chemotherapies based on DNA alkylating agents such as dacarbazine and temozolomide. As a consequence, clinical responses are generally poor. Such resistance is partly due to the ability of cancer cells to use a variety of DNA repair enzymes to maintain cell viability. Particularly, the expression of MGMT has been linked to temozolomide resistance, but cotargeting MGMT has proven difficult due to dose-limiting toxicities. Here, we show that the MGMT-mediated resistance of cancer cells is profoundly dependent on the DNA repair enzyme PARP. Both in vitro and in vivo, we observe that MGMT-positive cancer cells strongly respond to the combination of temozolomide and PARP inhibitors (PARPi), whereas MGMT-deficient cells do not. In melanoma cells, temozolomide induced an antiproliferative senescent response, which was greatly enhanced by PARPi in MGMT-positive cells. In summary, we provide compelling evidence to suggest that the stratification of patients with cancer upon the MGMT status would enhance the success of combination treatments using temozolomide and PARPi.
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Affiliation(s)
- Oihane Erice
- Manchester Cancer Research Centre, The University of Manchester, Michael Smith Building, Oxford Road, Manchester, United Kingdom
| | - Michael P Smith
- Manchester Cancer Research Centre, The University of Manchester, Michael Smith Building, Oxford Road, Manchester, United Kingdom
| | - Rachel White
- Edinburgh Cancer Research UK Centre and MRC Institute of Genetics and Molecular Medicine, Western General Hospital, University of Edinburgh, Edinburgh, United Kingdom
| | - Ibai Goicoechea
- Manchester Cancer Research Centre, The University of Manchester, Michael Smith Building, Oxford Road, Manchester, United Kingdom
| | - Jorge Barriuso
- Manchester Cancer Research Centre, The University of Manchester, Michael Smith Building, Oxford Road, Manchester, United Kingdom
| | - Chris Jones
- Divisions of Molecular Pathology and Cancer Therapeutics, Institute of Cancer Research, Sutton, United Kingdom
| | - Geoffrey P Margison
- Centre for Occupational and Environmental Health, The University of Manchester, Stopford Building, Manchester, United Kingdom
| | - Juan C Acosta
- Edinburgh Cancer Research UK Centre and MRC Institute of Genetics and Molecular Medicine, Western General Hospital, University of Edinburgh, Edinburgh, United Kingdom
| | - Claudia Wellbrock
- Manchester Cancer Research Centre, The University of Manchester, Michael Smith Building, Oxford Road, Manchester, United Kingdom.
| | - Imanol Arozarena
- Manchester Cancer Research Centre, The University of Manchester, Michael Smith Building, Oxford Road, Manchester, United Kingdom.
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ZOU YUHUI, WANG QIONG, WANG WEIMIN. MutL homolog 1 contributes to temozolomide-induced autophagy via ataxia-telangiectasia mutated in glioma. Mol Med Rep 2015; 11:4591-6. [DOI: 10.3892/mmr.2015.3293] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2014] [Accepted: 12/02/2014] [Indexed: 11/06/2022] Open
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McNeill RS, Vitucci M, Wu J, Miller CR. Contemporary murine models in preclinical astrocytoma drug development. Neuro Oncol 2014; 17:12-28. [PMID: 25246428 DOI: 10.1093/neuonc/nou288] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Despite 6 decades of research, only 3 drugs have been approved for astrocytomas, the most common malignant primary brain tumors. However, clinical drug development is accelerating with the transition from empirical, cytotoxic therapy to precision, targeted medicine. Preclinical animal model studies are critical for prioritizing drug candidates for clinical development and, ultimately, for their regulatory approval. For decades, only murine models with established tumor cell lines were available for such studies. However, these poorly represent the genomic and biological properties of human astrocytomas, and their preclinical use fails to accurately predict efficacy in clinical trials. Newer models developed over the last 2 decades, including patient-derived xenografts, genetically engineered mice, and genetically engineered cells purified from human brains, more faithfully phenocopy the genomics and biology of human astrocytomas. Harnessing the unique benefits of these models will be required to identify drug targets, define combination therapies that circumvent inherent and acquired resistance mechanisms, and develop molecular biomarkers predictive of drug response and resistance. With increasing recognition of the molecular heterogeneity of astrocytomas, employing multiple, contemporary models in preclinical drug studies promises to increase the efficiency of drug development for specific, molecularly defined subsets of tumors.
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Affiliation(s)
- Robert S McNeill
- Division of Neuropathology, Department of Pathology and Laboratory Medicine, University of North Carolina School of Medicine, Chapel Hill, North Carolina (R.S.M., M.V., C.R.M.); Departments of Neurosurgery and Neurology, University of North Carolina School of Medicine, Chapel Hill, North Carolina (J.W.); Department of Neurology, Lineberger Comprehensive Cancer Center, and Neurosciences Center University of North Carolina School of Medicine, Chapel Hill, North Carolina (C.R.M.)
| | - Mark Vitucci
- Division of Neuropathology, Department of Pathology and Laboratory Medicine, University of North Carolina School of Medicine, Chapel Hill, North Carolina (R.S.M., M.V., C.R.M.); Departments of Neurosurgery and Neurology, University of North Carolina School of Medicine, Chapel Hill, North Carolina (J.W.); Department of Neurology, Lineberger Comprehensive Cancer Center, and Neurosciences Center University of North Carolina School of Medicine, Chapel Hill, North Carolina (C.R.M.)
| | - Jing Wu
- Division of Neuropathology, Department of Pathology and Laboratory Medicine, University of North Carolina School of Medicine, Chapel Hill, North Carolina (R.S.M., M.V., C.R.M.); Departments of Neurosurgery and Neurology, University of North Carolina School of Medicine, Chapel Hill, North Carolina (J.W.); Department of Neurology, Lineberger Comprehensive Cancer Center, and Neurosciences Center University of North Carolina School of Medicine, Chapel Hill, North Carolina (C.R.M.)
| | - C Ryan Miller
- Division of Neuropathology, Department of Pathology and Laboratory Medicine, University of North Carolina School of Medicine, Chapel Hill, North Carolina (R.S.M., M.V., C.R.M.); Departments of Neurosurgery and Neurology, University of North Carolina School of Medicine, Chapel Hill, North Carolina (J.W.); Department of Neurology, Lineberger Comprehensive Cancer Center, and Neurosciences Center University of North Carolina School of Medicine, Chapel Hill, North Carolina (C.R.M.)
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