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Barbosa LC, Machado GC, Heringer M, Ferrer VP. Identification of established and novel extracellular matrix components in glioblastoma as targets for angiogenesis and prognosis. Neurogenetics 2024; 25:249-262. [PMID: 38775886 DOI: 10.1007/s10048-024-00763-x] [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: 03/06/2024] [Accepted: 05/10/2024] [Indexed: 07/16/2024]
Abstract
Glioblastomas (GBM) are aggressive tumors known for their heterogeneity, rapid proliferation, treatment resistance, and extensive vasculature. Angiogenesis, the formation of new vessels, involves endothelial cell (EC) migration and proliferation. Various extracellular matrix (ECM) molecules regulate EC survival, migration, and proliferation. Culturing human brain EC (HBMEC) on GBM-derived ECM revealed a decrease in EC numbers compared to controls. Through in silico analysis, we explored ECM gene expression differences between GBM and brain normal glia cells and the impact of GBM microenvironment on EC ECM transcripts. ECM molecules such as collagen alpha chains (COL4A1, COL4A2, p < 0.0001); laminin alpha (LAMA4), beta (LAMB2), and gamma (LAMC1) chains (p < 0.0005); neurocan (NCAN), brevican (BCAN) and versican (VCAN) (p < 0.0005); hyaluronan synthase (HAS) 2 and metalloprotease (MMP) 2 (p < 0.005); MMP inhibitors (TIMP1-4, p < 0.0005), transforming growth factor beta-1 (TGFB1) and integrin alpha (ITGA3/5) (p < 0.05) and beta (ITGB1, p < 0.0005) chains showed increased expression in GBM. Additionally, GBM-influenced EC exhibited elevated expression of COL5A3, COL6A1, COL22A1 and COL27A1 (p < 0.01); LAMA1, LAMB1 (p < 0.001); fibulins (FBLN1/2, p < 0.01); MMP9, HAS1, ITGA3, TGFB1, and wingless-related integration site 9B (WNT9B) (p < 0.01) compared to normal EC. Some of these molecules: COL5A1/3, COL6A1, COL22/27A1, FBLN1/2, ITGA3/5, ITGB1 and LAMA1/B1 (p < 0.01); NCAN, HAS1, MMP2/9, TIMP1/2 and TGFB1 (p < 0.05) correlated with GBM patient survival. In conclusion, this study identified both established and novel ECM molecules regulating GBM angiogenesis, suggesting NCAN and COL27A1 are new potential prognostic biomarkers for GBM.
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Affiliation(s)
- Lucas Cunha Barbosa
- Graduation Program of Pathological Anatomy, Faculty of Medicine, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
- Laboratory of Cellular and Molecular Biology of Tumors, Department of Cellular and Molecular Biology, Institute of Biology, Fluminense Federal University, Niteroi, Brazil
| | - Gabriel Cardoso Machado
- Graduation Program of Pathological Anatomy, Faculty of Medicine, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
- Laboratory of Cellular and Molecular Biology of Tumors, Department of Cellular and Molecular Biology, Institute of Biology, Fluminense Federal University, Niteroi, Brazil
| | - Manoela Heringer
- Brain's Biomedicine Lab, Paulo Niemeyer State Brain Institute, Rio de Janeiro, Brazil
| | - Valéria Pereira Ferrer
- Graduation Program of Pathological Anatomy, Faculty of Medicine, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil.
- Laboratory of Cellular and Molecular Biology of Tumors, Department of Cellular and Molecular Biology, Institute of Biology, Fluminense Federal University, Niteroi, Brazil.
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Nawaz S, Kulyar MFEA, Mo Q, Yao W, Iqbal M, Li J. Homeostatic Regulation of Pro-Angiogenic and Anti-Angiogenic Proteins via Hedgehog, Notch Grid, and Ephrin Signaling in Tibial Dyschondroplasia. Animals (Basel) 2023; 13:3750. [PMID: 38136788 PMCID: PMC10740744 DOI: 10.3390/ani13243750] [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: 10/23/2023] [Revised: 11/21/2023] [Accepted: 11/28/2023] [Indexed: 12/24/2023] Open
Abstract
Precise coupling of two fundamental mechanisms, chondrogenesis and osteogenesis via angiogenesis, plays a crucial role during rapid proliferation of growth plates, and alteration in their balance might lead to pathogenic conditions. Tibial dyschondroplasia (TD) is characterized by an avascular, non-mineralized, jade-white "cartilaginous wedge" with impaired endochondral ossification and chondrocyte proliferation at the proximal end of a tibial bone in rapidly growing poultry birds. Developing vascular structures are dynamic with cartilage growth and are regulated through homeostatic balance among pro and anti-angiogenic proteins and cytokines. Pro-angiogenic factors involves a wide spectrum of multifactorial mitogens, such as vascular endothelial growth factors (VEGF), platelet-derived growth factors (PDGF), basic fibroblast growth factor (bFGF), placental growth factors, transforming growth factor-β (TGF-β), and TNF-α. Considering their regulatory role via the sonic hedgehog, notch-gridlock, and ephrin-B2/EphB4 pathways and inhibition through anti-angiogenic proteins like angiostatin, endostatin, decoy receptors, vasoinhibin, thrombospondin, PEX, and troponin, their possible role in persisting inflammatory conditions like TD was studied in the current literature review. Balanced apoptosis and angiogenesis are vital for physiological bone growth. Any homeostatic imbalance among apoptotic, angiogenetic, pro-angiogenic, or anti-angiogenic proteins ultimately leads to pathological bone conditions like TD and osteoarthritis. The current review might substantiate solid grounds for developing innovative therapeutics for diseases governed by the disproportion of angiogenesis and anti-angiogenesis proteins.
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Affiliation(s)
- Shah Nawaz
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China; (S.N.); (M.F.-e.-A.K.); (W.Y.); (M.I.)
| | - Muhammad Fakhar-e-Alam Kulyar
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China; (S.N.); (M.F.-e.-A.K.); (W.Y.); (M.I.)
- Department of Animal Nutrition and Feed Science, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Quan Mo
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China; (S.N.); (M.F.-e.-A.K.); (W.Y.); (M.I.)
| | - Wangyuan Yao
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China; (S.N.); (M.F.-e.-A.K.); (W.Y.); (M.I.)
| | - Mudassar Iqbal
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China; (S.N.); (M.F.-e.-A.K.); (W.Y.); (M.I.)
- Faculty of Veterinary and Animal Sciences, The Islamia University of Bahawalpur, Bahawalpur 63100, Pakistan
| | - Jiakui Li
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China; (S.N.); (M.F.-e.-A.K.); (W.Y.); (M.I.)
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Elkholi IE, Elsherbiny ME, Emara M. Myoglobin: From physiological role to potential implications in cancer. Biochim Biophys Acta Rev Cancer 2022; 1877:188706. [PMID: 35247507 DOI: 10.1016/j.bbcan.2022.188706] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Revised: 02/18/2022] [Accepted: 02/26/2022] [Indexed: 10/19/2022]
Abstract
Myoglobin (MB) belongs to the well-studied globin proteins superfamily. It has been extensively studied for its physiological roles in oxygen storage and transport for about a century now. However, the last two decades shed the light on unexpected aspects for MB research. Myoglobin has been suggested as a scavenger for nitric oxide and reactive oxygen species (ROS). Furthermore, MB was found to be expressed and regulated in different tissues, beyond the muscle lineage, including cancers. Current evidence suggest that MB is directly regulated by hypoxia and might be contributing to the metabolic rewiring in cancer tissues. In this article, we first discuss the MB physiological roles and then focus on the latter potential roles and regulatory networks of MB in cancer.
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Affiliation(s)
- Islam E Elkholi
- Center for Aging and Associated Diseases (CAAD), Zewail City of Science, Technology, and Innovation, 6th of October City, Giza 12578, Egypt; Montreal Clinical Research Institute (IRCM), Montréal, QC H2W 1R7, Canada; Molecular Biology Programs, Université de Montréal, Montréal, QC H3T 1J4, Canada
| | - Marwa E Elsherbiny
- Department of Pharmacology and Toxicology, Ahram Canadian University, 6th of October City, Giza, Egypt
| | - Marwan Emara
- Center for Aging and Associated Diseases (CAAD), Zewail City of Science, Technology, and Innovation, 6th of October City, Giza 12578, Egypt.
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Groblewska M, Mroczko B. Pro- and Antiangiogenic Factors in Gliomas: Implications for Novel Therapeutic Possibilities. Int J Mol Sci 2021; 22:ijms22116126. [PMID: 34200145 PMCID: PMC8201226 DOI: 10.3390/ijms22116126] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Revised: 06/01/2021] [Accepted: 06/03/2021] [Indexed: 02/07/2023] Open
Abstract
Angiogenesis, a complex, multistep process of forming new blood vessels, plays crucial role in normal development, embryogenesis, and wound healing. Malignant tumors characterized by increased proliferation also require new vasculature to provide an adequate supply of oxygen and nutrients for developing tumor. Gliomas are among the most frequent primary tumors of the central nervous system (CNS), characterized by increased new vessel formation. The processes of neoangiogenesis, necessary for glioma development, are mediated by numerous growth factors, cytokines, chemokines and other proteins. In contrast to other solid tumors, some biological conditions, such as the blood–brain barrier and the unique interplay between immune microenvironment and tumor, represent significant challenges in glioma therapy. Therefore, the objective of the study was to present the role of various proangiogenic factors in glioma angiogenesis as well as the differences between normal and tumoral angiogenesis. Another goal was to present novel therapeutic options in oncology approaches. We performed a thorough search via the PubMed database. In this paper we describe various proangiogenic factors in glioma vasculature development. The presented paper also reviews various antiangiogenic factors necessary in maintaining equilibrium between pro- and antiangiogenic processes. Furthermore, we present some novel possibilities of antiangiogenic therapy in this type of tumors.
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Affiliation(s)
- Magdalena Groblewska
- Department of Biochemical Diagnostics, University Hospital in Białystok, 15-269 Białystok, Poland;
| | - Barbara Mroczko
- Department of Biochemical Diagnostics, University Hospital in Białystok, 15-269 Białystok, Poland;
- Department of Neurodegeneration Diagnostics, Medical University of Białystok, 15-269 Białystok, Poland
- Correspondence: ; Tel.: +48-858318785
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Elsherbiny ME, Shaaban M, El-Tohamy R, Elkholi IE, Hammam OA, Magdy M, Allalunis-Turner J, Emara M. Expression of Myoglobin in Normal and Cancer Brain Tissues: Correlation With Hypoxia Markers. Front Oncol 2021; 11:590771. [PMID: 33996536 PMCID: PMC8120281 DOI: 10.3389/fonc.2021.590771] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2020] [Accepted: 04/15/2021] [Indexed: 01/16/2023] Open
Abstract
Background Myoglobin (MB) is increasingly recognized as a key player in cancer growth and metastasis. Low oxygen tensions, commonly associated with highly aggressive and recurrent cancers, have been shown to regulate its expression in several cancers such as lung, neck, prostate and breast cancer. However, it is not yet known whether it contributes to the growth and spread of brain cancers especially Glioblastoma multiforme (GBM). Methods Here we investigate the expression of MB, and its correlation with the hypoxia markers carbonic anhydrase IX (CAIX) and lactate dehydrogenase A (LDHA), in human tissue microarrays of multiple organ tumors, brain tumors, and GBM tumors, and their respective cancer-adjacent normal tissues. Correlation between MB protein expression and tumor grade was also assessed. Results We show that MB protein is expressed in a wide variety of cancers, benign tumors, cancer-adjacent normal tissues, hyperplastic tissue samples and normal brain tissue, and low oxygen tensions modulate MB protein expression in different brain cancers, including GBM. Enhanced nuclear LDHA immune-reactivity in GBM was also observed. Finally, we report for the first time a positive correlation between MB expression and brain tumor grade. Conclusion Our data suggest that hypoxia regulate MB expression in different brain cancers (including GBM) and that its expression is associated with a more aggressive phenotype as indicated by the positive correlation with the brain tumor grade. Additionally, a role for nuclear LDHA in promoting aggressive tumor phenotype is also suggested based on enhanced nuclear expression which was observed only in GBM.
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Affiliation(s)
- Marwa E Elsherbiny
- Department of Pharmacology and Toxicology, Ahram Canadian University, 6th of October, Egypt
| | - Mohammed Shaaban
- Center for Aging and Associated Diseases, Zewail City of Science, Technology and Innovation, 6th of October, Egypt
| | - Rana El-Tohamy
- Center for Aging and Associated Diseases, Zewail City of Science, Technology and Innovation, 6th of October, Egypt
| | - Islam E Elkholi
- Center for Aging and Associated Diseases, Zewail City of Science, Technology and Innovation, 6th of October, Egypt
| | - Olfat Ali Hammam
- Department of Pathology, Theodor Bilharz Research Institute, Giza, Egypt
| | - Mona Magdy
- Department of Pathology, Theodor Bilharz Research Institute, Giza, Egypt
| | - Joan Allalunis-Turner
- Department of Oncology, Faculty of Medicine & Dentistry, University of Alberta, Edmonton, AB, Canada
| | - Marwan Emara
- Center for Aging and Associated Diseases, Zewail City of Science, Technology and Innovation, 6th of October, Egypt
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Increased expression of MMP-2 and MMP-9 indicates poor prognosis in glioma recurrence. Biomed Pharmacother 2019; 118:109369. [PMID: 31545229 DOI: 10.1016/j.biopha.2019.109369] [Citation(s) in RCA: 58] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2019] [Revised: 08/20/2019] [Accepted: 08/21/2019] [Indexed: 12/12/2022] Open
Abstract
The main characteristic of glioma is recurrence, even after intensive multidisciplinary treatment. Studies show that enhanced invasive ability will increase the ability of tumor cells to escape from the primary tumor mass, which is a key factor contributing to tumor relapse and recurrence. In this study, we assessed the expression of MMP-2, MMP-9, two important matrix metallopeptidases that increase the invasive ability of glioma, and their suppressors, TIMP-1, TIMP-2 in glioma tissues from primary and recurrent glioma patients by immunohistochemistry. Glioma cells and nude mice were used for in vitro and in vivo studies. Results showed that the expression of MMP-2 and MMP-9 in recurrent gliomas were significantly higher than those in primary gliomas (P = 3.075 × 10-11, P = 1.510 × 10-5, respectively). We also found that radiotherapy increased the expression of MMP-9, but had no effect on MMP-2 and TIMP-1/2. With glioma cell line U251, we found that irradiation increased the expression of MMP-9 in vitro. Tumor tissues from an orthotopic xenograft model showed that after irradiation treatment, the expression of MMP-9 increased significantly in vivo. We also found that knocking down MMP-9 decreased irradiation-induced invasion obviously. Above all, we concluded that higher expressions of MMP-2/-9 indicate poor prognosis in glioma recurrence. The increased expression of MMP-9 after radiotherapy suggests that MMP-9 might be an important target in the radiosensitization of glioma.
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da Ponte KF, Berro DH, Collet S, Constans JM, Emery E, Valable S, Guillamo JS. In Vivo Relationship Between Hypoxia and Angiogenesis in Human Glioblastoma: A Multimodal Imaging Study. J Nucl Med 2017; 58:1574-1579. [DOI: 10.2967/jnumed.116.188557] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2017] [Accepted: 03/22/2017] [Indexed: 12/19/2022] Open
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Martin AR, Ronco C, Demange L, Benhida R. Hypoxia inducible factor down-regulation, cancer and cancer stem cells (CSCs): ongoing success stories. MEDCHEMCOMM 2017; 8:21-52. [PMID: 30108689 PMCID: PMC6071925 DOI: 10.1039/c6md00432f] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/29/2016] [Accepted: 10/10/2016] [Indexed: 12/12/2022]
Abstract
In cancers, hypoxia inducible factor 1 (HIF-1) is an over-expressed transcription factor, which regulates a large set of genes involved in tumour vascularization, metastases, and cancer stem cells (CSCs) formation and self-renewal. This protein has been identified as a relevant target in oncology and several HIF-1 modulators are now marketed or in advanced clinical trials. The purpose of this review is to summarize the advances in the understanding of its regulation and its inhibition, from the medicinal chemist point of view. To this end, we selected in the recent literature relevant examples of "hit" compounds, including small-sized organic molecules, pseudopeptides and nano-drugs, exhibiting in vitro and/or in vivo both anti-HIF-1 and anti-tumour activities. Whenever possible, a particular emphasis has been dedicated to compounds that selectively target CSCs.
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Affiliation(s)
- Anthony R Martin
- Université Côte d'Azur , CNRS , Institut de Chimie de Nice UMR 7272 - 06108 Nice , France . ; ; ; Tel: +33 4 92076143
| | - Cyril Ronco
- Université Côte d'Azur , CNRS , Institut de Chimie de Nice UMR 7272 - 06108 Nice , France . ; ; ; Tel: +33 4 92076143
| | - Luc Demange
- Université Côte d'Azur , CNRS , Institut de Chimie de Nice UMR 7272 - 06108 Nice , France . ; ; ; Tel: +33 4 92076143
- UFR des Sciences Pharmaceutiques , Université Paris Descartes , Sorbonne Paris Cité , 4 avenue de l'Observatoire , Paris Fr-75006 , France
- UFR Biomédicale des Saints Pères , 45 rue des Saints Pères , Paris Fr-75006 , France
| | - Rachid Benhida
- Université Côte d'Azur , CNRS , Institut de Chimie de Nice UMR 7272 - 06108 Nice , France . ; ; ; Tel: +33 4 92076143
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Lv D, Ma QH, Duan JJ, Wu HB, Zhao XL, Yu SC, Bian XW. Optimized dissociation protocol for isolating human glioma stem cells from tumorspheres via fluorescence-activated cell sorting. Cancer Lett 2016; 377:105-15. [PMID: 27091400 DOI: 10.1016/j.canlet.2016.04.022] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2015] [Revised: 02/12/2016] [Accepted: 04/12/2016] [Indexed: 12/28/2022]
Abstract
Fluorescence-activated cell sorting (FACS) based on the surface marker CD133 is the most common method for isolating glioma stem cells (GSCs) from heterogeneous glioma cell populations. Optimization of this method will have profound implications for the future of GSC research. Five commonly used digestion reagents, Liberase-TL, trypsin, TrypLE, Accutase, and non-enzymatic cell dissociation solution (NECDS), were used to dissociate glioma tumorspheres derived from two primary glioma specimens (091214 and 090116) and the cell lines U87 and T98G. The dissociation time, cell viability, retention of CD133, and stemness capacity were assessed. The results showed that single cells derived from the Liberase-TL (200 µg/ml) group exhibited high viability and less damage to the antigen CD133. However, the efficiency of NECDS for dissociating the tumorspheres into single cells was fairly low. Meanwhile, the use of this digestion reagent resulted in obvious cellular and antigenic impairments. Taken together, Liberase-TL (200 µg/ml) is an ideal reagent for isolating GSCs from tumorspheres. In contrast, the use of NECDS for such a protocol should be carefully considered.
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Affiliation(s)
- Donglai Lv
- Institute of Pathology and Southwest Cancer Center, Southwest Hospital, Third Military Medical University, Chongqing 400037, China; Key Laboratory of Tumor Immunology and Pathology of Ministry of Education, Chongqing 400037, China
| | - Qing-Hua Ma
- Institute of Pathology and Southwest Cancer Center, Southwest Hospital, Third Military Medical University, Chongqing 400037, China; Key Laboratory of Tumor Immunology and Pathology of Ministry of Education, Chongqing 400037, China
| | - Jiang-Jie Duan
- Institute of Pathology and Southwest Cancer Center, Southwest Hospital, Third Military Medical University, Chongqing 400037, China; Key Laboratory of Tumor Immunology and Pathology of Ministry of Education, Chongqing 400037, China
| | - Hai-Bo Wu
- Institute of Pathology and Southwest Cancer Center, Southwest Hospital, Third Military Medical University, Chongqing 400037, China; Key Laboratory of Tumor Immunology and Pathology of Ministry of Education, Chongqing 400037, China
| | - Xi-Long Zhao
- Institute of Pathology and Southwest Cancer Center, Southwest Hospital, Third Military Medical University, Chongqing 400037, China; Key Laboratory of Tumor Immunology and Pathology of Ministry of Education, Chongqing 400037, China
| | - Shi-Cang Yu
- Institute of Pathology and Southwest Cancer Center, Southwest Hospital, Third Military Medical University, Chongqing 400037, China; Key Laboratory of Tumor Immunology and Pathology of Ministry of Education, Chongqing 400037, China.
| | - Xiu-Wu Bian
- Institute of Pathology and Southwest Cancer Center, Southwest Hospital, Third Military Medical University, Chongqing 400037, China; Key Laboratory of Tumor Immunology and Pathology of Ministry of Education, Chongqing 400037, China.
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Rundle-Thiele D, Head R, Cosgrove L, Martin JH. Repurposing some older drugs that cross the blood-brain barrier and have potential anticancer activity to provide new treatment options for glioblastoma. Br J Clin Pharmacol 2015; 81:199-209. [PMID: 26374633 DOI: 10.1111/bcp.12785] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2015] [Revised: 09/09/2015] [Accepted: 09/10/2015] [Indexed: 12/16/2022] Open
Abstract
Glioblastoma is a brain neoplasm with limited 5-year survival rates. Developments of new treatment regimens that improve patient survival in patients with glioblastoma are needed. It is likely that a number of existing drugs used in other conditions have potential anticancer effects that offer significant survival benefit to glioblastoma patients. Identification of such drugs could provide a novel treatment paradigm.
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Affiliation(s)
| | - Richard Head
- Future Industries Institute, Research and Innovation Portfolio, University of South Australia, Adelaide, SA, Australia
| | - Leah Cosgrove
- CSIRO, Human and Nutrition Flagship, Adelaide, SA, Australia
| | - Jennifer H Martin
- School of Medicine and Public Health, University of Newcastle, Callaghan, NSW, Australia
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Zhu J, Wang H, Fan Y, Lin Y, Zhang L, Ji X, Zhou M. Targeting the NF-E2-related factor 2 pathway: a novel strategy for glioblastoma (review). Oncol Rep 2014; 32:443-50. [PMID: 24926991 DOI: 10.3892/or.2014.3259] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2014] [Accepted: 05/26/2014] [Indexed: 11/05/2022] Open
Abstract
Glioblastoma is the most common and malignant subtype among all brain tumors. Nuclear factor erythroid 2-related factor 2 (Nrf2) is an essential component of cellular defense against a variety of endogenous and exogenous stresses. A marked increase in research over the past few decades focusing on Nrf2 and its role in regulating glioblastoma has revealed the potential value of Nrf2 in the treatment of glioblastoma. In the present review, we discuss a novel framework of Nrf2 in the regulation of glioblastoma and the mechanisms regarding the downregulation of Nrf2 in treating glioblastoma. The candidate mechanisms include direct and indirect means. Direct mechanisms target tumor molecular pathways in order to overcome resistance to chemotherapy and radiotherapy, to inhibit proliferation, to block invasion and migration, to induce apoptosis, to promote differentiation, to enhance autophagy and to target glioblastoma stem cells. Indirect mechanisms target the reaction between glioblastoma cells and the surrounding microenvironment. Overall, the value of the Nrf2 pathway in glioblastoma provides a promising opportunity for new approaches by which to treat glioblastoma.
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Affiliation(s)
- Jianhong Zhu
- Department of Neurosurgery, Jinling Hospital, Medical School of Nanjing University, Nanjing, Jiangsu 210002, P.R. China
| | - Handong Wang
- Department of Neurosurgery, Jinling Hospital, Medical School of Nanjing University, Nanjing, Jiangsu 210002, P.R. China
| | - Youwu Fan
- Department of Neurosurgery, Jinling Hospital, Medical School of Nanjing University, Nanjing, Jiangsu 210002, P.R. China
| | - Yixing Lin
- Department of Neurosurgery, Jinling Hospital, Medical School of Nanjing University, Nanjing, Jiangsu 210002, P.R. China
| | - Li Zhang
- Department of Neurosurgery, Jinling Hospital, Medical School of Nanjing University, Nanjing, Jiangsu 210002, P.R. China
| | - Xiangjun Ji
- Department of Neurosurgery, Jinling Hospital, Medical School of Nanjing University, Nanjing, Jiangsu 210002, P.R. China
| | - Mengliang Zhou
- Department of Neurosurgery, Jinling Hospital, Medical School of Nanjing University, Nanjing, Jiangsu 210002, P.R. China
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