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Machado-Rugolo J, Baldavira C, Prieto T, Olivieri E, Fabro A, Rainho C, Castelli E, Ribolla P, Ab'Saber A, Takagaki T, Nagai M, Capelozzi V. Clinical outcome of Brazilian patients with non-small cell lung cancer in early stage harboring rare mutations in epidermal growth factor receptor. Braz J Med Biol Res 2023; 55:e12409. [PMID: 36629526 PMCID: PMC9828871 DOI: 10.1590/1414-431x2022e12409] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2022] [Accepted: 11/09/2022] [Indexed: 01/11/2023] Open
Abstract
The common epidermal growth factor receptor (EGFR) mutations, such as the L858R point mutation in exon 21 and the in-frame deletional mutation in exon 19, have been definitively associated with response to EGFR-tyrosine kinase inhibitors (EGFR-TKI). However, the clinical outcome and response to treatment for many other rarer mutations are still unclear. In this study, we report the results of Brazilian patients in stage IB-IIIA non-small cell lung cancer (NSCLC) following complete resection with minimal residual disease and EGFR mutations treated with adjuvant chemotherapy and/or EGFR-TKIs. The frequency of EGFR mutations was investigated in 70 cases of early stage NSCLC. Mutations in exons 18 and 20, uncommon mutations in exons 19 and 21, as well as in exons 3, 7, 14, 16, 22, 27, and 28, and/or the presence of different mutations in a single tumor (complex mutations) are considered rare. EGFR mutations were detected in 23 tumors (32.9%). Fourteen cases carried rare mutations and were treated with platinum-based chemotherapy and two cases were treated with erlotinib. The clinical outcome is described case by case with references to the literature. Notably, we found two rare EGFR mutations and one of them with an unknown response to chemotherapy and/or EGFR-TKIs. We have provided complementary information concerning the clinical outcome and treatment of patients with early stage NSCLC for several rare EGFR mutations not previously or only rarely reported. Description of cases harboring rare mutations can support the decision-making process in this subset of patients.
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Affiliation(s)
- J. Machado-Rugolo
- Laboratório de Histomorfometria e Genômica Pulmonar, Departamento de Patologia, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brasil,Centro de Avaliação de Tecnologias em Saúde, Hospital das Clínicas de Botucatu, Faculdade de Medicina, Universidade Estadual Paulista, Botucatu, SP, Brasil
| | - C.M. Baldavira
- Laboratório de Histomorfometria e Genômica Pulmonar, Departamento de Patologia, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brasil
| | - T.G. Prieto
- Laboratório de Histomorfometria e Genômica Pulmonar, Departamento de Patologia, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brasil
| | - E.H.R. Olivieri
- Centro Internacional de Pesquisa/CIPE, AC Camargo Cancer Center, São Paulo, SP, Brasil
| | - A.T. Fabro
- Laboratório de Histomorfometria e Genômica Pulmonar, Departamento de Patologia, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brasil,Departamento de Patologia e Medicina Legal, Laboratório de Medicina Respiratória, Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, SP, Brasil
| | - C.A. Rainho
- Instituto de Biociências, Departamento de Ciências Químicas e Biológicas, Universidade Estadual Paulista, Botucatu, SP, Brasil
| | - E.C. Castelli
- Laboratório de Genética Molecular e Bioinformática, Unidade de Pesquisa Experimental, Faculdade de Medicina, Universidade Estadual Paulista, Botucatu, SP, Brasil,Departamento de Patologia, Faculdade de Medicina, Universidade Estadual Paulista, Botucatu, SP, Brasil
| | - P.E.M. Ribolla
- Instituto de Biotecnologia, Universidade Estadual Paulista, Botucatu, SP, Brasil,Instituto de Biociências, Departamento de Bioestatística, Biologia Vegetal, Parasitologia e Zoologia, Universidade Estadual Paulista, Botucatu, SP, Brasil
| | - A.M. Ab'Saber
- Laboratório de Histomorfometria e Genômica Pulmonar, Departamento de Patologia, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brasil
| | - T. Takagaki
- Divisão de Pneumologia, Instituto do Coração, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brasil
| | - M.A. Nagai
- Departamento de Radiologia e Oncologia, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brasil,Laboratório de Genética Molecular, Centro de Pesquisa Translacional em Oncologia, Instituto do Câncer de São Paulo, São Paulo, SP, Brasil
| | - V.L. Capelozzi
- Laboratório de Histomorfometria e Genômica Pulmonar, Departamento de Patologia, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brasil
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102
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Imaging strategies for receptor tyrosine kinase dimers in living cells. Anal Bioanal Chem 2023; 415:67-82. [PMID: 36190534 DOI: 10.1007/s00216-022-04334-7] [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: 08/11/2022] [Revised: 09/04/2022] [Accepted: 09/07/2022] [Indexed: 01/10/2023]
Abstract
Receptor tyrosine kinases (RTKs) are the essential regulators of cell signal transduction pathways and play important roles in biological processes. RTK dimerization is generally considered the first step in receptor activation and cell communication. And the abnormal expression of RTK dimers is closely related to the occurrence and development of many diseases. Therefore, the visualization of RTK dimerization is of great significance for monitoring physiological processes. The genetic and nongenetic imaging strategies have attracted widespread attention due to their high efficiency and high sensitivity. In this review, the RTKs and their dimers as well as the advances in strategies for imaging RTK dimers are introduced. Furthermore, we analyze the limitations of existing imaging strategies and put forward suggestions for the future development of imaging probes. We expect that this review will inspire more in-depth investigation of RTK dimers, which will also broaden the application of strategies of RTK dimers in biomedical areas.
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103
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Abstract
Glioblastoma multiforme (GBM) is an essentially incurable brain tumor, which has been explored for approximately a century. Nowadays, surgical resection, chemotherapy, and radiation therapy are still the standardized therapeutic options. However, due to the intrinsic invasion and metastasis features and the resistance to chemotherapy, the survival rate of glioblastoma patients remains unsatisfactory. To improve the current situation, much more research is needed to provide comprehensive knowledge of GBM. In this review, we summarize the latest updates on GBM treatment and invasion. Firstly, we review the traditional and emerging therapies that have been used for GBM treatment. Given the limited efficiency of these therapies, we further discuss the role of invasion in GBM recurrence and progression, and present current research progress on the mode and mechanisms of GBM invasion.
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Affiliation(s)
- Jiawei Li
- Department of Physiology, School of Basic Medical Sciences, Nanjing Medical University, Nanjing, Jiangsu 211166, China,The First Clinical Medical College of Nanjing Medical University, Nanjing, Jiangsu 211166, China
| | - Lili Feng
- Key Laboratory of Cardiovascular & Cerebrovascular Medicine, Drug Target and Drug Discovery Center, School of Pharmacy, Nanjing Medical University, Nanjing, Jiangsu 211166, China,Lili Feng, Key Laboratory of Cardiovascular & Cerebrovascular Medicine, Drug Target and Drug Discovery Center, School of Pharmacy, Nanjing Medical University, 101 Longmian Avenue, Jiangning District, Nanjing, Jiangsu 211166, China. Tel: +86-25-86868462, E-mail:
| | - Yingmei Lu
- Department of Physiology, School of Basic Medical Sciences, Nanjing Medical University, Nanjing, Jiangsu 211166, China,Yingmei Lu, Department of Physiology, School of Basic Medical Sciences, Nanjing Medical University, 101 Longmian Avenue, Jiangning District, Nanjing, Jiangsu 211166, China. Tel: +86-25-86868462, E-mail:
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104
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Khan S, Martinez-Ledesma E, Dong J, Mahalingam R, Park SY, Piao Y, Koul D, Balasubramaniyan V, de Groot JF, Yung WKA. Neuronal differentiation drives the antitumor activity of mitogen-activated protein kinase kinase (MEK) inhibition in glioblastoma. Neurooncol Adv 2023; 5:vdad132. [PMID: 38130900 PMCID: PMC10734674 DOI: 10.1093/noajnl/vdad132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2023] Open
Abstract
Background Epidermal growth factor receptor (EGFR) amplification is found in nearly 40%-50% of glioblastoma cases. Several EGFR inhibitors have been tested in glioblastoma but have failed to demonstrate long-term therapeutic benefit, presumably because of acquired resistance. Targeting EGFR downstream signaling with mitogen-activated protein kinase kinase 1 and 2 (MEK1/2) inhibitors would be a more effective approach to glioblastoma treatment. We tested the therapeutic potential of MEK1/2 inhibitors in glioblastoma using 3D cultures of glioma stem-like cells (GSCs) and mouse models of glioblastoma. Methods Several MEK inhibitors were screened in an unbiased high-throughput platform using GSCs. Cell death was evaluated using flow cytometry and Western blotting (WB) analysis. RNA-seq, real-time quantitative polymerase chain reaction, immunofluorescence, and WB analysis were used to identify and validate neuronal differentiation. Results Unbiased screening of multiple MEK inhibitors in GSCs showed antiproliferative and apoptotic cell death in sensitive cell lines. An RNA-seq analysis of cells treated with trametinib, a potent MEK inhibitor, revealed upregulation of neurogenesis and neuronal differentiation genes, such as achaete-scute homolog 1 (ASCL1), delta-like 3 (DLL3), and neurogenic differentiation 4 (NeuroD4). We validated the neuronal differentiation phenotypes in vitro and in vivo using selected differentiation markers (β-III-tubulin, ASCL1, DLL3, and NeuroD4). Oral treatment with trametinib in an orthotopic GSC xenograft model significantly improved animal survival, with 25%-30% of mice being long-term survivors. Conclusions Our findings demonstrated that MEK1/2 inhibition promotes neuronal differentiation in glioblastoma, a potential additional mechanism of action of MEK1/2 inhibitors. Thus, MEK inhibitors could be efficacious in glioblastoma patients with activated EGFR/MAPK signaling.
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Affiliation(s)
- Sabbir Khan
- Department of Neuro-Oncology, University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Emmanuel Martinez-Ledesma
- Department of Neuro-Oncology, University of Texas MD Anderson Cancer Center, Houston, Texas, USA
- Tecnologico de Monterrey, Escuela de Medicina y Ciencias de la Salud, Monterrey, Nuevo León, Mexico
- Tecnologico de Monterrey, Institute for Obesity Research, Monterrey, Nuevo León, Mexico
| | - Jianwen Dong
- Department of Neuro-Oncology, University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Rajasekaran Mahalingam
- Department of Symptom Research, University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Soon Young Park
- Department of Neuro-Oncology, University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Yuji Piao
- Department of Neuro-Oncology, University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Dimpy Koul
- Department of Neuro-Oncology, University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | | | - John F de Groot
- Department of Neuro-Oncology, University of Texas MD Anderson Cancer Center, Houston, Texas, USA
- Department of Neurosurgery, University of California-San Francisco, San Francisco, California, USA
| | - W K Alfred Yung
- Department of Neuro-Oncology, University of Texas MD Anderson Cancer Center, Houston, Texas, USA
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105
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Ho ECH, Qiu R, Miller E, Bilotta MT, FitzGerald D, Antignani A. Antibody drug conjugates, targeting cancer-expressed EGFR, exhibit potent and specific antitumor activity. Biomed Pharmacother 2023; 157:114047. [PMID: 36459711 PMCID: PMC9840435 DOI: 10.1016/j.biopha.2022.114047] [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: 09/19/2022] [Revised: 11/18/2022] [Accepted: 11/25/2022] [Indexed: 11/30/2022] Open
Abstract
The monoclonal antibody '40H3' binds to EGFRvIII and to full-length EGFR when it is overexpressed on cancer cells. To generate candidate cytotoxic antibody-drug conjugates (ADCs), 40H3 was modified by the addition of small molecular weight payloads that included two tubulin-modifying agents, two topoisomerase inhibitors and a pyrrolobenzodiazepine (PBD) dimer. Conjugates retained antigen binding activity comparable to the unmodified 40H3 antibody. The cytotoxicity of five distinct ADCs was evaluated on a variety of EGFR-expressing cells including three triple negative breast cancer (TNBC) lines. Generally, the 40H3 conjugate with the PBD dimer (40H3-Tesirine) was the most active killing agent. The killing of EGFR-positive cells by 40H3-Tesirine correlated with the number of surface binding sites for 40H3. However, bystander killing was also evident in experiments with antigen-negative cells. In vivo tumor xenograft experiments were conducted on two TNBC tumor lines. Three treatments with the 40H3-Tesirine ADC at 1 mg/kg were sufficient to achieve complete remissions without evidence of mouse toxicity. Data support the development of ADCs derived from the 40H3 antibody for the treatment of cancers that express EGFRvIII or high levels of EGFR.
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Affiliation(s)
- Eric Chun Hei Ho
- Laboratory of Molecular Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892-4264, United States
| | - Rong Qiu
- Laboratory of Molecular Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892-4264, United States
| | - Ellis Miller
- Laboratory of Molecular Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892-4264, United States
| | - Maria Teresa Bilotta
- Laboratory of Molecular Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892-4264, United States
| | - David FitzGerald
- Laboratory of Molecular Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892-4264, United States.
| | - Antonella Antignani
- Laboratory of Molecular Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892-4264, United States.
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106
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Melatonin alleviates alcoholic liver disease via EGFR-BRG1-TERT axis regulation. Acta Pharm Sin B 2023; 13:100-112. [PMID: 36815038 PMCID: PMC9939303 DOI: 10.1016/j.apsb.2022.06.015] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Revised: 04/24/2022] [Accepted: 05/12/2022] [Indexed: 11/22/2022] Open
Abstract
Chronic alcohol consumption causes liver steatosis, cell death, and inflammation. Melatonin (MLT) is reported to alleviate alcoholic liver disease (ALD)-induced injury. However, its direct regulating targets in hepatocytes are not fully understood. In the current study, a cell-based screening model and a chronic ethanol-fed mice ALD model were used to test the protective mechanisms of MLT. MLT ameliorated ethanol-induced hepatocyte injury in both cell and animal models (optimal doses of 10 μmol/L and 5 mg/kg, respectively), including lowered liver steatosis, cell death, and inflammation. RNA-seq analysis and loss-of-function studies in AML-12 cells revealed that telomerase reverse transcriptase (TERT) was a key downstream effector of MLT. Biophysical assay found that epidermal growth factor receptor (EGFR) on the hepatocyte surface was a direct binding and regulating target of MLT. Liver specific knock-down of Tert or Egfr in the ALD mice model impaired MLT-mediated liver protection, partly through the regulation of nuclear brahma-related gene-1 (BRG1). Long-term administration (90 days) of MLT in healthy mice did not cause evident adverse effect. In conclusion, MLT is an efficacious and safe agent for ALD alleviation. Its direct regulating target in hepatocytes is EGFR and downstream BRG1-TERT axis. MLT might be used as a complimentary agent for alcoholics.
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107
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Ghareghomi S, Atabaki V, Abdollahzadeh N, Ahmadian S, Hafez Ghoran S. Bioactive PI3-kinase/Akt/mTOR Inhibitors in Targeted Lung Cancer Therapy. Adv Pharm Bull 2023; 13:24-35. [PMID: 36721812 PMCID: PMC9871280 DOI: 10.34172/apb.2023.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Revised: 07/27/2021] [Accepted: 09/28/2021] [Indexed: 02/03/2023] Open
Abstract
One of the central signaling pathways with a regulatory effect on cell proliferation and survival is Akt/mTOR. In many human cancer types, for instance, lung cancer, the overexpression of Akt/mTOR has been reported. For this reason, either targeting cancer cells by synthetic or natural products affecting the Akt/mTOR pathway down-regulation is a useful strategy in cancer therapy. Direct inhibition of the signaling pathway or modulation of each related molecule could have significant feedback on the growth and proliferation of cancer cells. A variety of secondary metabolites has been identified to directly inhibit the AKT/mTOR signaling, which is important in the field of drug discovery. Naturally occurring nitrogenous and phenolic compounds can emerge as two pivotal classes of natural products possessing anticancer abilities. Herein, we have summarized the alkaloids and flavonoids for lung cancer treatment together with all the possible mechanisms of action relying on the Akt/mTOR pathway down-regulation. This review suggested that in search of new drugs, phytochemicals could be considered as promising scaffolds to be developed into efficient drugs for the treatment of cancer. In this review, the terms "Akt/mTOR", "Alkaloid", "flavonoid", and "lung cancer" were searched without any limitation in search criteria in Scopus, PubMed, Web of Science, and Google scholar engines.
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Affiliation(s)
- Somayyeh Ghareghomi
- Department of Biochemistry, Institute of Biochemistry and Biophysics (IBB), University of Tehran, Tehran, Iran
| | - Vahideh Atabaki
- Department of Pharmacognosy and Pharmaceutical Biotechnology, Faculty of Pharmacy, Hormozgan University of Medical Sciences, Bandar Abbas, Iran
| | - Naseh Abdollahzadeh
- Neurophysiology Research Center, Cellular and Molecular Medicine Institute, Urmia University of Medical Sciences, Urmia, Iran
| | - Shahin Ahmadian
- Department of Biochemistry, Institute of Biochemistry and Biophysics (IBB), University of Tehran, Tehran, Iran.,Corresponding Authors: Salar Hafez Ghoran and Shahin Ahmadian, and
| | - Salar Hafez Ghoran
- Phytochemistry Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.,Medicinal Plants Research Center, Yasuj University of Medical Sciences, Yasuj, Iran.,Corresponding Authors: Salar Hafez Ghoran and Shahin Ahmadian, and
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Cerneckis J, Cui Q, Liu W, Shi Y. RNA Modifications in Cancer Stem Cell Biology. Cancer Treat Res 2023; 190:25-47. [PMID: 38112998 DOI: 10.1007/978-3-031-45654-1_2] [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] [Indexed: 12/21/2023]
Abstract
Post-transcriptional regulation of gene expression shapes the cell state both in health and disease. RNA modifications-especially N6-methyladenosine (m6A)-have recently emerged as key players in RNA processing that depends on a sophisticated interplay between proteins of the RNA modification machinery. Importantly, the RNA epitranscriptome becomes dysregulated in cancer and promotes cancer-associated gene expression programs as well as cancer cell adaptation to the tumor microenvironment. At the top of the tumor hierarchy, cancer stem cells (CSCs) are master regulators of tumorigenesis and resistance to therapeutic intervention. Therefore, defining how RNA modifications influence the CSC state is of great importance for cancer drug development. In this chapter, we summarize the current knowledge of the roles of RNA modifications in shaping the CSC state and driving gene expression programs that confer stem-like properties to CSCs, promote CSC adaptation to the local microenvironment, and endow CSCs with metastatic potential and drug resistance.
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Affiliation(s)
- Jonas Cerneckis
- Department of Neurodegenerative Diseases, Beckman Research Institute of City of Hope, Duarte, CA, 91010, USA
- Irell & Manella Graduate School of Biological Sciences, Beckman Research Institute of City of Hope, Duarte, CA, 91010, USA
| | - Qi Cui
- Department of Neurodegenerative Diseases, Beckman Research Institute of City of Hope, Duarte, CA, 91010, USA
| | - Wei Liu
- Department of Neurodegenerative Diseases, Beckman Research Institute of City of Hope, Duarte, CA, 91010, USA
- Department of Immunology, Hebei Medical University, Shijiazhuang, 050017, China
| | - Yanhong Shi
- Department of Neurodegenerative Diseases, Beckman Research Institute of City of Hope, Duarte, CA, 91010, USA.
- Irell & Manella Graduate School of Biological Sciences, Beckman Research Institute of City of Hope, Duarte, CA, 91010, USA.
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Tong F, Zhao JX, Fang ZY, Cui XT, Su DY, Liu X, Zhou JH, Wang GX, Qiu ZJ, Liu SZ, Fu JQ, Kang CS, Wang JC, Wang QX. MUC1 promotes glioblastoma progression and TMZ resistance by stabilizing EGFRvIII. Pharmacol Res 2023; 187:106606. [PMID: 36516884 DOI: 10.1016/j.phrs.2022.106606] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Revised: 12/01/2022] [Accepted: 12/09/2022] [Indexed: 12/14/2022]
Abstract
Epidermal growth factor receptor variant III (EGFRvIII) is a mutant isoform of EGFR with a deletion of exons 2-7 making it insensitive to EGF stimulation and downstream signal constitutive activation. However, the mechanism underlying the stability of EGFRvIII remains unclear. Based on CRISPR-Cas9 library screening, we found that mucin1 (MUC1) is essential for EGFRvIII glioma cell survival and temozolomide (TMZ) resistance. We revealed that MUC1-C was upregulated in EGFRvIII-positive cells, where it enhanced the stability of EGFRvIII. Knockdown of MUC1-C increased the colocalization of EGFRvIII and lysosomes. Upregulation of MUC1 occurred in an NF-κB dependent manner, and inhibition of the NF-κB pathway could interrupt the EGFRvIII-MUC1 feedback loop by inhibiting MUC1-C. In a previous report, we identified AC1Q3QWB (AQB), a small molecule that could inhibit the phosphorylation of NF-κB. By screening the structural analogs of AQB, we obtained EPIC-1027, which could inhibit the NF-κB pathway more effectively. EPIC-1027 disrupted the EGFRvIII-MUC1-C positive feedback loop in vitro and in vivo, inhibited glioma progression, and promoted sensitization to TMZ. In conclusion, we revealed the pivotal role of MUC1-C in stabilizing EGFRvIII in glioblastoma (GBM) and identified a small molecule, EPIC-1027, with great potential in GBM treatment.
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Affiliation(s)
- Fei Tong
- Tianjin Medical University General Hospital, Tianjin 300052, China; Tianjin Neurological Institute, Key Laboratory of Neurotrauma, Variation, and Regeneration, Ministry of Education and Tianjin Municipal Government, Tianjin 300052, China
| | - Ji-Xing Zhao
- Tianjin Medical University General Hospital, Tianjin 300052, China; Tianjin Neurological Institute, Key Laboratory of Neurotrauma, Variation, and Regeneration, Ministry of Education and Tianjin Municipal Government, Tianjin 300052, China
| | - Zi-Yuan Fang
- Clinical Medical College, Hebei University, Baoding 071000, China
| | - Xiao-Teng Cui
- Tianjin Medical University General Hospital, Tianjin 300052, China; Tianjin Neurological Institute, Key Laboratory of Neurotrauma, Variation, and Regeneration, Ministry of Education and Tianjin Municipal Government, Tianjin 300052, China
| | - Dong-Yuan Su
- Tianjin Medical University General Hospital, Tianjin 300052, China; Tianjin Neurological Institute, Key Laboratory of Neurotrauma, Variation, and Regeneration, Ministry of Education and Tianjin Municipal Government, Tianjin 300052, China
| | - Xing Liu
- Beijing Neurosurgical Institute, Capital Medical University, Beijing 100050, China
| | - Jun-Hu Zhou
- Tianjin Medical University General Hospital, Tianjin 300052, China; Tianjin Neurological Institute, Key Laboratory of Neurotrauma, Variation, and Regeneration, Ministry of Education and Tianjin Municipal Government, Tianjin 300052, China
| | - Guang-Xiu Wang
- Tianjin Medical University General Hospital, Tianjin 300052, China; Tianjin Neurological Institute, Key Laboratory of Neurotrauma, Variation, and Regeneration, Ministry of Education and Tianjin Municipal Government, Tianjin 300052, China
| | - Zhi-Jun Qiu
- Tianjin Medical University General Hospital, Tianjin 300052, China
| | - Shi-Zhong Liu
- Tianjin Medical University General Hospital, Tianjin 300052, China
| | - Jun-Qi Fu
- Department of Neurosurgery, Haikou Affiliated Hospital of Xiangya Medical College, Central South University, Hainan 570311, China; Department of Neurosurgery, Haikou People's Hospital, Hainan 570208, China
| | - Chun-Sheng Kang
- Tianjin Medical University General Hospital, Tianjin 300052, China; Tianjin Neurological Institute, Key Laboratory of Neurotrauma, Variation, and Regeneration, Ministry of Education and Tianjin Municipal Government, Tianjin 300052, China.
| | - Jia-Chong Wang
- Department of Neurosurgery, Haikou Affiliated Hospital of Xiangya Medical College, Central South University, Hainan 570311, China; Department of Neurosurgery, Haikou People's Hospital, Hainan 570208, China.
| | - Qi-Xue Wang
- Tianjin Medical University General Hospital, Tianjin 300052, China; Tianjin Neurological Institute, Key Laboratory of Neurotrauma, Variation, and Regeneration, Ministry of Education and Tianjin Municipal Government, Tianjin 300052, China.
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Patra D, Bhavya K, Ramprasad P, Kalia M, Pal D. Anti-cancer drug molecules targeting cancer cell cycle and proliferation. ADVANCES IN PROTEIN CHEMISTRY AND STRUCTURAL BIOLOGY 2023; 135:343-395. [PMID: 37061337 DOI: 10.1016/bs.apcsb.2022.11.011] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/10/2023]
Abstract
Cancer, a vicious clinical burden that potentiates maximum fatality for humankind, arises due to unregulated excessive cell division and proliferation through an eccentric expression of cell cycle regulator proteins. A set of evolutionarily conserved machinery controls the cell cycle in an extremely precise manner so that a cell that went through the cycle can produce a genetically identical copy. To achieve perfection, several checkpoints were placed in the cycle for surveillance; so, errors during the division were rectified by the repair strategies. However, irreparable damage leads to exit from the cell cycle and induces programmed cell death. In comparison to a normal cell, cancer cells facilitate the constitutive activation of many dormant proteins and impede negative regulators of the checkpoint. Extensive studies in the last few decades on cell division and proliferation of cancer cells elucidate the molecular mechanism of the cell-cycle regulators that are often targeted for the development of anti-cancer therapy. Each phase of the cell cycle has been regulated by a unique set of proteins including master regulators Cyclins, and CDKs, along with the accessory proteins such as CKI, Cdc25, error-responsive proteins, and various kinase proteins mainly WEE1 kinases, Polo-like kinases, and Aurora kinases that control cell division. Here in this chapter, we have analytically discussed the role of cell cycle regulators and proliferation factors in cancer progression and the rationale of using various cell cycle-targeting drug molecules as anti-cancer therapy.
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Affiliation(s)
- Debarun Patra
- Department of Biomedical Engineering, Indian Institute of Technology Ropar, Rupnagar, Punjab, India
| | - Kumari Bhavya
- Department of Biomedical Engineering, Indian Institute of Technology Ropar, Rupnagar, Punjab, India
| | - Palla Ramprasad
- Department of Biomedical Engineering, Indian Institute of Technology Ropar, Rupnagar, Punjab, India
| | - Moyna Kalia
- Department of Biomedical Engineering, Indian Institute of Technology Ropar, Rupnagar, Punjab, India
| | - Durba Pal
- Department of Biomedical Engineering, Indian Institute of Technology Ropar, Rupnagar, Punjab, India.
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111
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Carneiro BA, Papadopoulos KP, Strickler JH, Lassman AB, Waqar SN, Chae YK, Patel JD, Shacham-Shmueli E, Kelly K, Khasraw M, Bestvina CM, Merrell R, Huang K, Atluri H, Ansell P, Li R, Jin J, Anderson MG, Reilly EB, Morrison-Thiele G, Patel K, Robinson RR, Aristide MRN, Gan HK. Phase I study of anti-epidermal growth factor receptor antibody-drug conjugate serclutamab talirine: Safety, pharmacokinetics, and antitumor activity in advanced glioblastoma. Neurooncol Adv 2022; 5:vdac183. [PMID: 36814898 PMCID: PMC9940695 DOI: 10.1093/noajnl/vdac183] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Background Serclutamab talirine (Ser-T, formerly ABBV-321) is an antibody-drug conjugate consisting of an antibody (AM-1-ABT-806) directed against activated epidermal growth factor receptor (EGFR) and a pyrrolobenzodiazepine dimer. We investigated Ser-T monotherapy in a phase I, first-in-human, dose-escalation, and dose-expansion study in patients with advanced solid tumors associated with EGFR overexpression. Methods Eligible patients (≥18 years) had advanced, histologically confirmed solid tumors associated with EGFR overexpression (centralized testing). Patients received Ser-T intravenously once every 4 weeks (Q4W; 5-50 μg/kg) in the dose-escalation phase. Herein, preliminary antitumor activity at the recommended phase II dose (RP2D) is reported only for patients with glioblastoma (n = 24); additional assessments included all treated patients. Results Sixty-two patients (median age: 58 years) were enrolled within the dose-escalation (n = 43) and dose-expansion (n = 19) phases. One dose-limiting toxicity, grade 3 aspartate aminotransferase and alanine aminotransferase elevation, occurred at 20 μg/kg during dose escalation. The Ser-T RP2D regimen of 50 μg/kg × 1 (loading dose) followed by 25 μg/kg Q4W (maintenance dose) was administered during dose expansion. Fatigue (37%) was the only treatment-emergent adverse event (AE) occurring in >25% of patients. Two patients (3%) reported mild treatment-related ocular AEs (eye pruritus). Responses in patients with glioblastoma included 1 partial response (~33 months), 6 stable disease, and 14 progressive disease (not evaluable: n = 3). Conclusions Ser-T monotherapy at doses up to 50 μg/kg initial dose, followed by 25 μg/kg Q4W demonstrated a tolerable safety profile with minimal antitumor activity observed in patients with glioblastoma. The glioblastoma dose-expansion cohort was closed due to a lack of efficacy (NCT03234712).
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Affiliation(s)
- Benedito A Carneiro
- Corresponding Author: Benedito A. Carneiro, MD, Lifespan Cancer Institute, Division of Hematology/Oncology, The Warren Alpert Medical School, Brown University, 593 Eddy Street, George Blvd. 302, Providence, RI 02903, USA ()
| | | | - John H Strickler
- Division of Medical Oncology, Duke University Medical Center, Durham, North Carolina, USA
| | - Andrew B Lassman
- Division of Neuro-Oncology, Department of Neurology, Columbia University Vagelos College of Physicians and Surgeons, the Herbert Irving Comprehensive Cancer Center, New York, New York, USA,New York-Presbyterian Hospital, New York, New York, USA
| | - Saiama N Waqar
- Division of Oncology, Department of Medicine, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Young Kwang Chae
- Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA
| | - Jyoti D Patel
- Robert H. Lurie Comprehensive Cancer Center of Northwestern University, Chicago, Illinois, USA
| | | | - Karen Kelly
- University of California Davis Comprehensive Cancer Center, Sacramento, California, USA
| | - Mustafa Khasraw
- The Preston Robert Tisch Brain Tumor Center, Duke University, Durham, North Carolina, USA
| | | | - Ryan Merrell
- Department of Neurology, NorthShore University Health System, Evanston, Illinois, USA
| | | | | | | | - Rachel Li
- AbbVie Inc., North Chicago, Illinois, USA
| | - Janet Jin
- AbbVie Inc., North Chicago, Illinois, USA
| | | | | | | | | | | | | | - Hui K Gan
- Medical Oncology Department, Austin Health, Heidelberg, VIC, Australia
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Suriya U, Mahalapbutr P, Wimonsong W, Yotphan S, Choowongkomon K, Rungrotmongkol T. Quinoxalinones as A Novel Inhibitor Scaffold for EGFR (L858R/T790M/C797S) Tyrosine Kinase: Molecular Docking, Biological Evaluations, and Computational Insights. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27248901. [PMID: 36558033 PMCID: PMC9788584 DOI: 10.3390/molecules27248901] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/06/2022] [Revised: 12/01/2022] [Accepted: 12/07/2022] [Indexed: 12/23/2022]
Abstract
Combating acquired drug resistance of EGFR tyrosine kinase (TK) is a great challenge and an urgent necessity in the management of non-small cell lung cancers. The advanced EGFR (L858R/T790M/C797S) triple mutation has been recently reported, and there have been no specific drugs approved for this strain. Therefore, our research aimed to search for effective agents that could impede the function of EGFR (L858R/T790M/C797S) TK by the integration of in silico and in vitro approaches. Our in-house quinoxalinone-containing compounds were screened through molecular docking and their biological activity was then verified by enzyme- and cell-based assay. We found that the four quinoxalinone-containing compounds including CPD4, CPD15, CPD16, and CPD21 were promising to be novel EGFR (L858R/T790M/C797S) TK inhibitors. The IC50 values measured by the enzyme-based assay were 3.04 ± 1.24 nM; 6.50 ± 3.02 nM,10.50 ± 1.10 nM; and 3.81 ± 1.80 nM, respectively, which are at a similar level to a reference drug; osimertinib (8.93 ± 3.01 nM). Besides that, they displayed cytotoxic effects on a lung cancer cell line (H1975) with IC50 values in the range of 3.47 to 79.43 μM. In this proposed study, we found that all screened compounds could interact with M793 at the hinge regions and two mutated residues including M790 and S797; which may be the main reason supporting the inhibitory activity in vitro. The structural dynamics revealed that the screened compounds have sufficient non-native contacts with surrounding amino acids and could be well-buried in the binding site's cleft. In addition, all predicted physicochemical parameters were favorable to be drug-like based on Lipinski's rule of five, and no extreme violation of toxicity features was found. Altogether, this study proposes a novel EGFR (L858R/T790M/C797S) TK inhibitor scaffold and provides a detailed understanding of compounds' recognition and susceptibility at the molecular level.
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Affiliation(s)
- Utid Suriya
- Program in Biotechnology, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
| | - Panupong Mahalapbutr
- Department of Biochemistry, Center for Translational Medicine, Faculty of Medicine, Khon Kaen University, Khan Kaen 40002, Thailand
- Correspondence: (P.M.); (K.C.); (T.R.)
| | - Watchara Wimonsong
- Department of Chemistry, Center of Excellence for Innovation in Chemistry, Faculty of Science, Mahidol University, Rama VI Road, Bangkok 10400, Thailand
| | - Sirilata Yotphan
- Department of Chemistry, Center of Excellence for Innovation in Chemistry, Faculty of Science, Mahidol University, Rama VI Road, Bangkok 10400, Thailand
| | - Kiattawee Choowongkomon
- Department of Biochemistry, Kasetsart University, Bangkok 10900, Thailand
- Correspondence: (P.M.); (K.C.); (T.R.)
| | - Thanyada Rungrotmongkol
- Department of Biochemistry, Center of Excellence in Structural and Computational Biology, Chulalongkorn University, Bangkok 10330, Thailand
- Program in Bioinformatics and Computational Biology, Graduate School, Chulalongkorn University, Bangkok 10330, Thailand
- Correspondence: (P.M.); (K.C.); (T.R.)
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Pagano C, Coppola L, Navarra G, Avilia G, Bruzzaniti S, Piemonte E, Galgani M, Della Monica R, Chiariotti L, Cuomo M, Buonaiuto M, Torelli G, Caiazzo P, Laezza C, Bifulco M. N6-Isopentenyladenosine Impairs Mitochondrial Metabolism through Inhibition of EGFR Translocation on Mitochondria in Glioblastoma Cells. Cancers (Basel) 2022; 14:cancers14246044. [PMID: 36551529 PMCID: PMC9776489 DOI: 10.3390/cancers14246044] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Revised: 11/30/2022] [Accepted: 12/06/2022] [Indexed: 12/13/2022] Open
Abstract
Glioblastoma multiforme (GBM) is the most aggressive malignant brain tumor and is poorly susceptible to cytotoxic therapies. Amplification of the epidermal growth factor receptor (EGFR) and deletion of exons 2 to 7, which generates EGFR variant III (vIII), are the most common molecular alterations of GBMs that contribute to the aggressiveness of the disease. Recently, it has been shown that EGFR/EGFRvIII-targeted inhibitors enhance mitochondrial translocation by causing mitochondrial accumulation of these receptors, promoting the tumor drug resistance; moreover, they negatively modulate intrinsic mitochondria-mediated apoptosis by sequestering PUMA, leading to impaired apoptotic response in GBM cells. N6-isopentenyladenosine (i6A or iPA), a cytokinin consisting of an adenosine linked to an isopentenyl group deriving from the mevalonate pathway, has antiproliferative effects on numerous tumor cells, including GBM cells, by inducing cell death in vitro and in vivo. Here, we observed that iPA inhibits the mitochondrial respiration in GBM cells by preventing the translocation of EGFR/EGFRvIII to the mitochondria and allowing PUMA to interact with them by promoting changes in mitochondrial activity, thus playing a critical role in cell death. Our findings clearly demonstrate that iPA interferes with mitochondrial bioenergetic capacity, providing a rationale for an effective strategy for treating GBM.
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Affiliation(s)
- Cristina Pagano
- Department of Molecular Medicine and Medical Biotechnology, University of Naples “Federico II”, 80131 Naples, Italy
| | - Laura Coppola
- Department of Molecular Medicine and Medical Biotechnology, University of Naples “Federico II”, 80131 Naples, Italy
| | - Giovanna Navarra
- Department of Molecular Medicine and Medical Biotechnology, University of Naples “Federico II”, 80131 Naples, Italy
| | - Giorgio Avilia
- Department of Molecular Medicine and Medical Biotechnology, University of Naples “Federico II”, 80131 Naples, Italy
| | - Sara Bruzzaniti
- Department of Biology, University of Naples “Federico II”, 80126 Naples, Italy
- Institute of Endocrinology and Experimental Oncology (IEOS), National Research Council (CNR), 80125 Naples, Italy
| | - Erica Piemonte
- Department of Molecular Medicine and Medical Biotechnology, University of Naples “Federico II”, 80131 Naples, Italy
| | - Mario Galgani
- Department of Molecular Medicine and Medical Biotechnology, University of Naples “Federico II”, 80131 Naples, Italy
- Institute of Endocrinology and Experimental Oncology (IEOS), National Research Council (CNR), 80125 Naples, Italy
| | - Rosa Della Monica
- Department of Molecular Medicine and Medical Biotechnology, University of Naples “Federico II”, 80131 Naples, Italy
- CEINGE—Biotecnologie Avanzate, Via Gaetano Salvatore 486, 80131 Naples, Italy
| | - Lorenzo Chiariotti
- Department of Molecular Medicine and Medical Biotechnology, University of Naples “Federico II”, 80131 Naples, Italy
- CEINGE—Biotecnologie Avanzate, Via Gaetano Salvatore 486, 80131 Naples, Italy
| | - Mariella Cuomo
- Department of Molecular Medicine and Medical Biotechnology, University of Naples “Federico II”, 80131 Naples, Italy
- CEINGE—Biotecnologie Avanzate, Via Gaetano Salvatore 486, 80131 Naples, Italy
| | - Michela Buonaiuto
- Department of Molecular Medicine and Medical Biotechnology, University of Naples “Federico II”, 80131 Naples, Italy
- CEINGE—Biotecnologie Avanzate, Via Gaetano Salvatore 486, 80131 Naples, Italy
| | - Giovanni Torelli
- Neurosurgery Unit A.O. San Giovanni di Dio e Ruggi d’ Aragona, Salerno’s School of Medicine Largo Città di Ippocrate, 84131 Salerno, Italy
- Osservatorio Oncologico, 84091 Battipaglia, Italy
| | | | - Chiara Laezza
- Institute of Endocrinology and Experimental Oncology (IEOS), National Research Council (CNR), 80125 Naples, Italy
- Correspondence: or (C.L.); (M.B.)
| | - Maurizio Bifulco
- Department of Molecular Medicine and Medical Biotechnology, University of Naples “Federico II”, 80131 Naples, Italy
- Correspondence: or (C.L.); (M.B.)
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Kizilbash SH. Why has targeting EGFR aberrations in glioblastoma therapy had limited success? Expert Rev Anticancer Ther 2022; 22:1261-1263. [PMID: 36367033 DOI: 10.1080/14737140.2022.2146581] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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115
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Orofiamma LA, Vural D, Antonescu CN. Control of cell metabolism by the epidermal growth factor receptor. BIOCHIMICA ET BIOPHYSICA ACTA. MOLECULAR CELL RESEARCH 2022; 1869:119359. [PMID: 36089077 DOI: 10.1016/j.bbamcr.2022.119359] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/01/2022] [Revised: 08/24/2022] [Accepted: 09/01/2022] [Indexed: 06/15/2023]
Abstract
The epidermal growth factor receptor (EGFR) triggers the activation of many intracellular signals that control cell proliferation, growth, survival, migration, and differentiation. Given its wide expression, EGFR has many functions in development and tissue homeostasis. Some of the cellular outcomes of EGFR signaling involve alterations of specific aspects of cellular metabolism, and alterations of cell metabolism are emerging as driving influences in many physiological and pathophysiological contexts. Here we review the mechanisms by which EGFR regulates cell metabolism, including by modulation of gene expression and protein function leading to control of glucose uptake, glycolysis, biosynthetic pathways branching from glucose metabolism, amino acid metabolism, lipogenesis, and mitochondrial function. We further examine how this regulation of cell metabolism by EGFR may contribute to cell proliferation and differentiation and how EGFR-driven control of metabolism can impact certain diseases and therapy outcomes.
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Affiliation(s)
- Laura A Orofiamma
- Department of Chemistry and Biology, Toronto Metropolitan University, Toronto, Ontario M5B 2K3, Canada; Graduate Program in Molecular Science, Toronto Metropolitan University, Toronto, Ontario M5B 2K3, Canada
| | - Dafne Vural
- Department of Chemistry and Biology, Toronto Metropolitan University, Toronto, Ontario M5B 2K3, Canada; Graduate Program in Molecular Science, Toronto Metropolitan University, Toronto, Ontario M5B 2K3, Canada
| | - Costin N Antonescu
- Department of Chemistry and Biology, Toronto Metropolitan University, Toronto, Ontario M5B 2K3, Canada; Graduate Program in Molecular Science, Toronto Metropolitan University, Toronto, Ontario M5B 2K3, Canada.
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116
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Dewdney B, Ursich L, Fletcher EV, Johns TG. Anoctamins and Calcium Signalling: An Obstacle to EGFR Targeted Therapy in Glioblastoma? Cancers (Basel) 2022; 14:cancers14235932. [PMID: 36497413 PMCID: PMC9740065 DOI: 10.3390/cancers14235932] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Revised: 11/28/2022] [Accepted: 11/28/2022] [Indexed: 12/05/2022] Open
Abstract
Glioblastoma is the most common form of high-grade glioma in adults and has a poor survival rate with very limited treatment options. There have been no significant advancements in glioblastoma treatment in over 30 years. Epidermal growth factor receptor is upregulated in most glioblastoma tumours and, therefore, has been a drug target in recent targeted therapy clinical trials. However, while many inhibitors and antibodies for epidermal growth factor receptor have demonstrated promising anti-tumour effects in preclinical models, they have failed to improve outcomes for glioblastoma patients in clinical trials. This is likely due to the highly plastic nature of glioblastoma tumours, which results in therapeutic resistance. Ion channels are instrumental in the development of many cancers and may regulate cellular plasticity in glioblastoma. This review will explore the potential involvement of a class of calcium-activated chloride channels called anoctamins in brain cancer. We will also discuss the integrated role of calcium channels and anoctamins in regulating calcium-mediated signalling pathways, such as epidermal growth factor signalling, to promote brain cancer cell growth and migration.
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Affiliation(s)
- Brittany Dewdney
- Cancer Centre, Telethon Kids Institute, Perth, WA 6009, Australia
- Centre for Child Health Research, University of Western Australia, Perth, WA 6009, Australia
- Correspondence: ; Tel.: +61-8-6319-1023
| | - Lauren Ursich
- Cancer Centre, Telethon Kids Institute, Perth, WA 6009, Australia
- School of Biomedical Sciences, University of Western Australia, Perth, WA 6009, Australia
| | - Emily V. Fletcher
- Cancer Centre, Telethon Kids Institute, Perth, WA 6009, Australia
- Centre for Child Health Research, University of Western Australia, Perth, WA 6009, Australia
| | - Terrance G. Johns
- Cancer Centre, Telethon Kids Institute, Perth, WA 6009, Australia
- Centre for Child Health Research, University of Western Australia, Perth, WA 6009, Australia
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117
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Byun YH, Park CK. Classification and Diagnosis of Adult Glioma: A Scoping Review. BRAIN & NEUROREHABILITATION 2022; 15:e23. [PMID: 36742083 PMCID: PMC9833487 DOI: 10.12786/bn.2022.15.e23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Accepted: 11/15/2022] [Indexed: 12/02/2022] Open
Abstract
Gliomas are primary central nervous system tumors that arise from glial progenitor cells. Gliomas have been classically classified morphologically based on their histopathological characteristics. However, with recent advances in cancer genomics, molecular profiles have now been integrated into the classification and diagnosis of gliomas. In this review article, we discuss the clinical features, imaging findings, and molecular profiles of adult-type diffuse gliomas based on the new 2021 World Health Organization Classifications of Tumors of the central nervous system.
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Affiliation(s)
- Yoon Hwan Byun
- Department of Neurosurgery, Seoul National University College of Medicine, Seoul National University Hospital, Seoul, Korea
| | - Chul-Kee Park
- Department of Neurosurgery, Seoul National University College of Medicine, Seoul National University Hospital, Seoul, Korea
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118
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Slocum CC, Park HJ, Baek I, Catalano J, Wells MT, Liechty B, Mathew S, Song W, Solomon JP, Pisapia DJ. Towards a single-assay approach: a combined DNA/RNA sequencing panel eliminates diagnostic redundancy and detects clinically-relevant fusions in neuropathology. Acta Neuropathol Commun 2022; 10:167. [PMCID: PMC9670552 DOI: 10.1186/s40478-022-01466-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2022] [Accepted: 10/20/2022] [Indexed: 11/18/2022] Open
Abstract
AbstractSince the introduction of integrated histological and molecular diagnoses by the 2016 World Health Organization (WHO) Classification of Tumors of the Nervous System, an increasing number of molecular markers have been found to have prognostic significance in infiltrating gliomas, many of which have now become incorporated as diagnostic criteria in the 2021 WHO Classification. This has increased the applicability of targeted-next generation sequencing in the diagnostic work-up of neuropathology specimens and in addition, raises the question of whether targeted sequencing can, in practice, reliably replace older, more traditional diagnostic methods such as immunohistochemistry and fluorescence in-situ hybridization. Here, we demonstrate that the Oncomine Cancer Gene Mutation Panel v2 assay targeted-next generation sequencing panel for solid tumors is not only superior to IHC in detecting mutation in IDH1/2 and TP53 but can also predict 1p/19q co-deletion with high sensitivity and specificity relative to fluorescence in-situ hybridization by looking at average copy number of genes sequenced on 1p, 1q, 19p, and 19q. Along with detecting the same molecular data obtained from older methods, targeted-next generation sequencing with an RNA sequencing component provides additional information regarding the presence of RNA based alterations that have diagnostic significance and possible therapeutic implications. From this work, we advocate for expanded use of targeted-next generation sequencing over more traditional methods for the detection of important molecular alterations as a part of the standard diagnostic work up for CNS neoplasms.
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119
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Bergado-Báez G, Gonzalez Suarez N, García LC, Pérez-Martínez D, Hernández-Fernández DR, Fundora-Barrios T, Rodríguez-Álvarez A, Díaz-Ordaz GD, Lindzen M, Yarden Y, Sánchez-Ramírez B. Polyclonal antibody-induced downregulation of HER1/EGFR and HER2 surpasses the effect of combinations of specific registered antibodies. Front Oncol 2022; 12:951267. [PMID: 36408164 PMCID: PMC9667895 DOI: 10.3389/fonc.2022.951267] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Accepted: 10/10/2022] [Indexed: 11/06/2022] Open
Abstract
Background Antitumor therapies targeting HER1/EGFR and HER2, such as monoclonal antibodies (MAbs) and tyrosine-kinase inhibitors (TKIs), have demonstrated a significant clinical benefit, but the emergence of resistance limits long-term efficacy. While secondary HER1 mutations confer tolerance to TKI, compensatory upregulation of HER2 drives resistance to anti-HER1 MAbs, which identifies MAb combinations targeting both receptors as an attractive therapeutic strategy. Nevertheless, toxicity hampers the clinical validation of this approach. Alternatively, cancer vaccines may induce antibodies directed against several antigens with less concern about induced toxicity. Methods Polyclonal antibodies (PAbs) targeting HER1 and HER2 were induced in mice or rabbits through immunization. Recognition of different epitopes on targets by PAbs was validated by phage-display technology. Receptor downregulation was evaluated by flow cytometry, immunofluorescence, and Western blot. MTT assays assessed cytotoxicity, while the antitumor effect of PAbs was assayed in nude mice. Results PAbs promoted degradation of HER1 and HER2 regarding clinical MAbs or their combinations. As a result, inhibition of cytotoxicity on tumor cell lines was improved, even in the presence of oncogenic mutations in HER1, as well as in cetuximab-insensitive cells. Accordingly, the antitumor effect of vaccination-induced PAbs was observed in lung tumor lines representative of sensitivity or resistance to HER1 targeting therapies. Conclusions Immunization against HER1 and HER2 receptors offers an alternative to passive administration of combinations of MAbs, since vaccination-induced PAbs promote the downregulation of both receptors and they have a higher impact on the survival of tumor cells.
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Affiliation(s)
- Gretchen Bergado-Báez
- Immunology and Immunotherapy Direction, Center of Molecular Immunology, Havana, Cuba
| | - Narjara Gonzalez Suarez
- Laboratoire d’Oncologie Moléculaire, Département de Chimie, Université du Québec à, Montréal, QC, Canada
| | - Lisset Chao García
- Immunology and Immunotherapy Direction, Center of Molecular Immunology, Havana, Cuba
| | - Dayana Pérez-Martínez
- Immunology and Immunotherapy Direction, Center of Molecular Immunology, Havana, Cuba
| | | | - Talia Fundora-Barrios
- Immunology and Immunotherapy Direction, Center of Molecular Immunology, Havana, Cuba
| | | | | | - Moshit Lindzen
- Department of Biological Regulation, Weizmann Institute of Science, Rehovot, Israel
| | - Yosef Yarden
- Department of Biological Regulation, Weizmann Institute of Science, Rehovot, Israel
| | - Belinda Sánchez-Ramírez
- Immunology and Immunotherapy Direction, Center of Molecular Immunology, Havana, Cuba
- *Correspondence: Belinda Sánchez-Ramírez,
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Kim E, Suh JS, Jang YK, Kim H, Choi G, Kim TJ. Harmine inhibits proliferation and migration of glioblastoma via ERK signalling. Process Biochem 2022. [DOI: 10.1016/j.procbio.2022.09.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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121
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Hedna R, Kovacic H, Pagano A, Peyrot V, Robin M, Devred F, Breuzard G. Tau Protein as Therapeutic Target for Cancer? Focus on Glioblastoma. Cancers (Basel) 2022; 14:5386. [PMID: 36358803 PMCID: PMC9653627 DOI: 10.3390/cancers14215386] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2022] [Revised: 10/28/2022] [Accepted: 10/28/2022] [Indexed: 08/27/2023] Open
Abstract
Despite being extensively studied for several decades, the microtubule-associated protein Tau has not finished revealing its secrets. For long, Tau has been known for its ability to promote microtubule assembly. A less known feature of Tau is its capability to bind to cancer-related protein kinases, suggesting a possible role of Tau in modulating microtubule-independent cellular pathways that are associated with oncogenesis. With the intention of finding new therapeutic targets for cancer, it appears essential to examine the interaction of Tau with these kinases and their consequences. This review aims at collecting the literature data supporting the relationship between Tau and cancer with a particular focus on glioblastoma tumors in which the pathological significance of Tau remains largely unexplored. We will first treat this subject from a mechanistic point of view showing the pivotal role of Tau in oncogenic processes. Then, we will discuss the involvement of Tau in dysregulating critical pathways in glioblastoma. Finally, we will outline promising strategies to target Tau protein for the therapy of glioblastoma.
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Affiliation(s)
- Rayane Hedna
- Faculté des Sciences Médicales et Paramédicales, Institut de Neurophysiopathologie (INP), UMR 7051, CNRS, Aix Marseille Université, 13005 Marseille, France
| | - Hervé Kovacic
- Faculté des Sciences Médicales et Paramédicales, Institut de Neurophysiopathologie (INP), UMR 7051, CNRS, Aix Marseille Université, 13005 Marseille, France
| | - Alessandra Pagano
- Faculté des Sciences Médicales et Paramédicales, Institut de Neurophysiopathologie (INP), UMR 7051, CNRS, Aix Marseille Université, 13005 Marseille, France
| | - Vincent Peyrot
- Faculté des Sciences Médicales et Paramédicales, Institut de Neurophysiopathologie (INP), UMR 7051, CNRS, Aix Marseille Université, 13005 Marseille, France
| | - Maxime Robin
- Faculté de Pharmacie, Institut Méditerranéen de Biodiversité et Ecologie marine et continentale (IMBE), UMR 7263, CNRS, IRD 237, Aix-Marseille Université, 13005 Marseille, France
| | - François Devred
- Faculté des Sciences Médicales et Paramédicales, Institut de Neurophysiopathologie (INP), UMR 7051, CNRS, Aix Marseille Université, 13005 Marseille, France
| | - Gilles Breuzard
- Faculté des Sciences Médicales et Paramédicales, Institut de Neurophysiopathologie (INP), UMR 7051, CNRS, Aix Marseille Université, 13005 Marseille, France
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Włodarczyk A, Tręda C, Rutkowska A, Grot D, Dobrewa W, Kierasińska A, Węgierska M, Wasiak T, Strózik T, Rieske P, Stoczyńska-Fidelus E. Phenotypical Flexibility of the EGFRvIII-Positive Glioblastoma Cell Line and the Multidirectional Influence of TGFβ and EGF on These Cells—EGFRvIII Appears as a Weak Oncogene. Int J Mol Sci 2022; 23:ijms232012129. [PMID: 36292985 PMCID: PMC9603514 DOI: 10.3390/ijms232012129] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Revised: 10/07/2022] [Accepted: 10/10/2022] [Indexed: 11/24/2022] Open
Abstract
Background: The biological role of EGFRvIII (epidermal growth factor receptor variant three) remains unclear. Methods: Three glioblastoma DK-MG sublines were tested with EGF (epidermal growth factor) and TGFβ (transforming growth factor β). Sublines were characterized by an increased percentage of EGFRvIII-positive cells and doubling time (DK-MGlow to DK-MGextra-high), number of amplicons, and EGFRvIII mRNA expression. The influence of the growth factors on primary EGFRvIII positive glioblastomas was assessed. Results: The overexpression of exoEGFRvIII in DK-MGhigh did not convert them into DK-MGextra-high, and this overexpression did not change DK-MGlow to DK-MGhigh; however, the overexpression of RASG12V increased the proliferation of DK-MGlow. Moreover, the highest EGFRvIII phosphorylation in DK-MGextra-high did not cause relevant AKT (known as protein kinase B) and ERK (extracellular signal-regulated kinase) activation. Further analyses indicate that TGFβ is able to induce apoptosis of DK-MGhigh cells. This subline was able to convert to DK-MGextra-high, which appeared resistant to this proapoptotic effect. EGF acted as a pro-survival factor and stimulated proliferation; however, simultaneous senescence induction in DK-MGextra-high cells was ambiguous. Primary EGFRvIII positive (and SOX2 (SRY-Box Transcription Factor 2) positive or SOX2 negative) glioblastoma cells differentially responded to EGF and TGFβ. Conclusions: The roles of TGFβ and EGF in the EGFRvIII context remain unclear. EGFRvIII appears as a weak oncogene and not a marker of GSC (glioma stem cells). Hence, it may not be a proper target for CAR-T (chimeric antigen receptor T cells).
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Affiliation(s)
- Aneta Włodarczyk
- Department of Tumor Biology, Medical University of Lodz, Zeligowskiego 7/9 St., 90-752 Lodz, Poland
- Department of Research and Development, Celther Polska LTD, Inwestycyjna 7 St., 95-050 Konstantynow Lodzki, Poland
- Department of Research and Development, Personather LTD, Inwestycyjna 7 St., 95-050 Konstantynow Lodzki, Poland
| | - Cezary Tręda
- Department of Tumor Biology, Medical University of Lodz, Zeligowskiego 7/9 St., 90-752 Lodz, Poland
- Department of Research and Development, Celther Polska LTD, Inwestycyjna 7 St., 95-050 Konstantynow Lodzki, Poland
- Department of Research and Development, Personather LTD, Inwestycyjna 7 St., 95-050 Konstantynow Lodzki, Poland
| | - Adrianna Rutkowska
- Department of Tumor Biology, Medical University of Lodz, Zeligowskiego 7/9 St., 90-752 Lodz, Poland
- Department of Research and Development, Celther Polska LTD, Inwestycyjna 7 St., 95-050 Konstantynow Lodzki, Poland
- Department of Research and Development, Personather LTD, Inwestycyjna 7 St., 95-050 Konstantynow Lodzki, Poland
| | - Dagmara Grot
- Department of Tumor Biology, Medical University of Lodz, Zeligowskiego 7/9 St., 90-752 Lodz, Poland
- Department of Research and Development, Celther Polska LTD, Inwestycyjna 7 St., 95-050 Konstantynow Lodzki, Poland
- Department of Research and Development, Personather LTD, Inwestycyjna 7 St., 95-050 Konstantynow Lodzki, Poland
| | - Weronika Dobrewa
- Department of Tumor Biology, Medical University of Lodz, Zeligowskiego 7/9 St., 90-752 Lodz, Poland
| | - Amelia Kierasińska
- Department of Tumor Biology, Medical University of Lodz, Zeligowskiego 7/9 St., 90-752 Lodz, Poland
- Department of Research and Development, Celther Polska LTD, Inwestycyjna 7 St., 95-050 Konstantynow Lodzki, Poland
| | - Marta Węgierska
- Department of Tumor Biology, Medical University of Lodz, Zeligowskiego 7/9 St., 90-752 Lodz, Poland
- Department of Research and Development, Celther Polska LTD, Inwestycyjna 7 St., 95-050 Konstantynow Lodzki, Poland
| | - Tomasz Wasiak
- Department of Molecular Biology, Medical University of Lodz, Zeligowskiego 7/9 St., 90-752 Lodz, Poland
| | - Tadeusz Strózik
- Department of Molecular Biology, Medical University of Lodz, Zeligowskiego 7/9 St., 90-752 Lodz, Poland
| | - Piotr Rieske
- Department of Tumor Biology, Medical University of Lodz, Zeligowskiego 7/9 St., 90-752 Lodz, Poland
- Department of Research and Development, Celther Polska LTD, Inwestycyjna 7 St., 95-050 Konstantynow Lodzki, Poland
- Department of Research and Development, Personather LTD, Inwestycyjna 7 St., 95-050 Konstantynow Lodzki, Poland
| | - Ewelina Stoczyńska-Fidelus
- Department of Tumor Biology, Medical University of Lodz, Zeligowskiego 7/9 St., 90-752 Lodz, Poland
- Department of Research and Development, Celther Polska LTD, Inwestycyjna 7 St., 95-050 Konstantynow Lodzki, Poland
- Department of Research and Development, Personather LTD, Inwestycyjna 7 St., 95-050 Konstantynow Lodzki, Poland
- Correspondence: ; Tel.: +48-426-393-221
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Cytotoxicity and Lipase Inhibition of Essential Oils from Amazon Annonaceae Species. CHEMISTRY 2022. [DOI: 10.3390/chemistry4040081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
Abstract
Essential oils from Amazonian species are gaining increasing interest worldwide due to their medicinal and cosmetic applications; however, the relation among the chemical constituents and their biological properties are not well explored. Therefore, the present research aims to obtain an understanding of the bioactivity of chemical compounds in the essential oils of plants from the Annonaceae family (Bocageopsis pleiosperma, Onychopetalum amazonicum, Unonopsis duckei, U. floribunda, U. rufescens, U.stipitata, U. guatterioides, Duguetia flagellaris and Xylopia benthamii). By means of gas chromatography coupled to mass spectrometry, in vitro cytotoxic and anti-lipase assays, principal component analysis and molecular docking, it was possible to establish the main compounds that may be responsible for the cytotoxic effect of O. amazonicum and B. pleiosperma. Moreover, the anti-lipase potential of D. flagellaris was also established, as well as its composition related to the activity. Thus, by the employed strategy, allo-aromadendrene, cryptomerione, δ-cadinene and β-bisabolene were suggested as plausible cytotoxic agents against cancer cell lines, and dehydroaromadendrene, spathulenol and elemol, against lipase. The present study provides significant information on the chemical profile and bioactivity studies of Amazon Annonaceae aromatic plants.
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Boyle Y, Johns TG, Fletcher EV. Potassium Ion Channels in Malignant Central Nervous System Cancers. Cancers (Basel) 2022; 14:cancers14194767. [PMID: 36230692 PMCID: PMC9563970 DOI: 10.3390/cancers14194767] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Revised: 09/19/2022] [Accepted: 09/26/2022] [Indexed: 11/16/2022] Open
Abstract
Malignant central nervous system (CNS) cancers are among the most difficult to treat, with low rates of survival and a high likelihood of recurrence. This is primarily due to their location within the CNS, hindering adequate drug delivery and tumour access via surgery. Furthermore, CNS cancer cells are highly plastic, an adaptive property that enables them to bypass targeted treatment strategies and develop drug resistance. Potassium ion channels have long been implicated in the progression of many cancers due to their integral role in several hallmarks of the disease. Here, we will explore this relationship further, with a focus on malignant CNS cancers, including high-grade glioma (HGG). HGG is the most lethal form of primary brain tumour in adults, with the majority of patient mortality attributed to drug-resistant secondary tumours. Hence, targeting proteins that are integral to cellular plasticity could reduce tumour recurrence, improving survival. This review summarises the role of potassium ion channels in malignant CNS cancers, specifically how they contribute to proliferation, invasion, metastasis, angiogenesis, and plasticity. We will also explore how specific modulation of these proteins may provide a novel way to overcome drug resistance and improve patient outcomes.
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Affiliation(s)
- Yasmin Boyle
- Telethon Kids Institute, Perth Children’s Hospital, 15 Hospital Ave, Nedlands, Perth, WA 6009, Australia
- School of Biomedicine, The University of Western Australia, 35 Stirling Hwy, Crawley, Perth, WA 6009, Australia
- Correspondence:
| | - Terrance G. Johns
- Telethon Kids Institute, Perth Children’s Hospital, 15 Hospital Ave, Nedlands, Perth, WA 6009, Australia
- School of Biomedicine, The University of Western Australia, 35 Stirling Hwy, Crawley, Perth, WA 6009, Australia
| | - Emily V. Fletcher
- Telethon Kids Institute, Perth Children’s Hospital, 15 Hospital Ave, Nedlands, Perth, WA 6009, Australia
- School of Biomedicine, The University of Western Australia, 35 Stirling Hwy, Crawley, Perth, WA 6009, Australia
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125
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Hintzen G, Dulat HJ, Rajkovic E. Engaging innate immunity for targeting the epidermal growth factor receptor: Therapeutic options leveraging innate immunity versus adaptive immunity versus inhibition of signaling. Front Oncol 2022; 12:892212. [PMID: 36185288 PMCID: PMC9518002 DOI: 10.3389/fonc.2022.892212] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Accepted: 07/28/2022] [Indexed: 12/15/2022] Open
Abstract
The epidermal growth factor receptor (EGFR) is a key player in the normal tissue physiology and the pathology of cancer. Therapeutic approaches have now been developed to target oncogenic genetic aberrations of EGFR, found in a subset of tumors, and to take advantage of overexpression of EGFR in tumors. The development of small-molecule inhibitors and anti-EGFR antibodies targeting EGFR activation have resulted in effective but limited treatment options for patients with mutated or wild-type EGFR-expressing cancers, while therapeutic approaches that deploy effectors of the adaptive or innate immune system are still undergoing development. This review discusses EGFR-targeting therapies acting through distinct molecular mechanisms to destroy EGFR-expressing cancer cells. The focus is on the successes and limitations of therapies targeting the activation of EGFR versus those that exploit the cytotoxic T cells and innate immune cells to target EGFR-expressing cancer cells. Moreover, we discuss alternative approaches that may have the potential to overcome limitations of current therapies; in particular the innate cell engagers are discussed. Furthermore, this review highlights the potential to combine innate cell engagers with immunotherapies, to maximize their effectiveness, or with unspecific cell therapies, to convert them into tumor-specific agents.
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126
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Tang Q, Wang S, Di Z, Li H, Xu K, Hu X, Di M. Identification and validation of a prognostic risk model based on caveolin family genes for breast cancer. Front Cell Dev Biol 2022; 10:822187. [PMID: 36147736 PMCID: PMC9485841 DOI: 10.3389/fcell.2022.822187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Accepted: 07/27/2022] [Indexed: 11/13/2022] Open
Abstract
Background: Breast cancer (BC) is the most vicious killer of women’s health and is accompanied by increased incidence and mortality rates worldwide. Many studies have demonstrated that caveolins (CAVs) were abnormally expressed in a variety of tumors and implicated in tumorigenesis and cancer progression. However, the role of CAVs in BC remains somewhat contentious.Methods: We comprehensively explored the expression and prognostic value of CAVs (CAV1-3) in BC utilizing public databases (ONCOMINE, TIMER, UALCAN, and TCGA databases). Then we constructed a prognostic model based on the expression profiles. Also, a prognostic nomogram was built to predict the overall survival (OS). We further investigated the relationship between this signature and immune cell infiltration and the mutational landscape in BC. The R package “pRRophetic” was used to predict chemotherapeutic response in BC patients. Finally, we employed loss-of-function approaches to validate the role of CAVs in BC.Results: We found that CAVs were significantly downregulated in various cancer types, especially in BC. Low CAV expression was closely related to the malignant clinicopathological characteristics and worse OS and relapse-free survival (RFS) in BC. Then we constructed a prognostic model based on the expression profiles of CAVs, which divided BC patients into two risk groups. The Kaplan–Meier analysis showed that patients in the high-risk group tend to have a poorer prognosis than those in the low-risk group. Multivariate analysis indicated that the risk score and stage were both independent prognostic factors for BC patients, suggesting a complementary value. The clinical profiles and risk module were used to construct a nomogram that could accurately predict the OS in BC. In addition, we found that patients in the low-risk group tend to have a relatively high immune status and a lower mutation event frequency compared to the high-risk group. Furthermore, this signature could predict the response to chemotherapy and immunotherapy. Finally, CAV depletion promoted the colony formation, migration, and invasion of BC cells.Conclusion: CAVs may serve as novel biomarkers and independent prognostic factors for BC patients. Also, the constructed signature based on CAVs may predict immunotherapeutic responses and provide a novel nomogram for precise outcome prediction of BC.
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Affiliation(s)
- Qiang Tang
- Department of General Surgery, Shiyan Taihe Hospital, Hubei University of Medicine, Shiyan, China
| | - Shurui Wang
- School of Nursing Peking Union Medical College, Beijing, China
| | - Ziyang Di
- Department of General Surgery, Shiyan Taihe Hospital, Hubei University of Medicine, Shiyan, China
| | - Huimin Li
- Department of General Surgery, Shiyan Taihe Hospital, Hubei University of Medicine, Shiyan, China
| | - Kailiang Xu
- Department of Urology, Jingzhou Central Hospital, the Second Clinical Medical College, Yangtze University, Jingzhou, China
- *Correspondence: Maojun Di, ; Xin Hu, ; Kailiang Xu,
| | - Xin Hu
- Department of General Surgery, Shiyan Taihe Hospital, Hubei University of Medicine, Shiyan, China
- *Correspondence: Maojun Di, ; Xin Hu, ; Kailiang Xu,
| | - Maojun Di
- Department of General Surgery, Shiyan Taihe Hospital, Hubei University of Medicine, Shiyan, China
- *Correspondence: Maojun Di, ; Xin Hu, ; Kailiang Xu,
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Can EGFR be a therapeutic target in breast cancer? Biochim Biophys Acta Rev Cancer 2022; 1877:188789. [PMID: 36064121 DOI: 10.1016/j.bbcan.2022.188789] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Revised: 08/25/2022] [Accepted: 08/26/2022] [Indexed: 11/20/2022]
Abstract
Epidermal growth factor receptor (EGFR) is highly expressed in certain cancer types and is involved in regulating the biological characteristics of cancer progression, including proliferation, metastasis, and drug resistance. Various medicines targeting EGFR have been developed and approved for several cancer types, such as lung and colon cancer. To date, however, EGFR inhibitors have not achieved satisfactory clinical results in breast cancer, which continues to be the most serious malignant tumor type in females. Therefore, clarifying the underlying mechanisms related to the ineffectiveness of EGFR inhibitors in breast cancer and developing new EGFR-targeted strategies (e.g., combination therapy) remain critical challenges. Various studies have demonstrated aberrant expression and maintenance of EGFR levels in breast cancer. In this review, we summarize the regulatory mechanisms underlying EGFR protein expression in breast cancer cells, including EGFR mutations, amplification, endocytic dysfunction, recycling acceleration, and degradation disorders. We also discuss potential therapeutic strategies that act directly or indirectly on EGFR, including reducing EGFR protein expression, treating the target protein to mediate precise clearance, and inhibiting non-EGFR signaling pathways. This review should provide new therapeutic perspectives for breast cancer patients with high EGFR expression.
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Schneider B, William D, Lamp N, Zimpfer A, Henker C, Classen CF, Erbersdobler A. The miR-183/96/182 cluster is upregulated in glioblastoma carrying EGFR amplification. Mol Cell Biochem 2022; 477:2297-2307. [PMID: 35486213 PMCID: PMC9395473 DOI: 10.1007/s11010-022-04435-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Accepted: 04/08/2022] [Indexed: 11/29/2022]
Abstract
Glioblastoma (GBM) is one of the most frequent primary brain tumors. Limited therapeutic options and high recurrency rates lead to a dismal prognosis. One frequent, putative driver mutation is the genomic amplification of the oncogenic receptor tyrosine kinase EGFR. Often accompanied by variants like EGFRvIII, heterogenous expression and ligand independent signaling render this tumor subtype even more difficult to treat, as EGFR-directed therapeutics show only weak effects at best. So EGFR-amplified GBM is considered to have an even worse prognosis, and therefore, deeper understanding of molecular mechanisms and detection of potential targets for novel therapeutic strategies is urgently needed. In this study, we looked at the level of microRNAs (miRs), small non-coding RNAs frequently deregulated in cancer, both acting as oncogenes and tumor suppressors. Comparative analysis of GBM with and without EGFR amplification should give insight into the expression profiles of miRs, which are considered both as potential targets for directed therapies or as therapeutic reagents. Comparison of miR profiles of EGFR-amplified and EGFR-normal GBM revealed an upregulation of the miR-183/96/182 cluster, which is associated with oncogenic properties in several tumor entities. One prominent target of this miR cluster is FOXO1, a pro-apoptotic factor. By observing FOXO1 downregulation in EGFR-amplified tumors, we can see a significant correlation of EGFR amplification, miR-183/96/182 cluster upregulation, and repression of FOXO1. Although no significant difference in overall survival is shown, these data may contribute to the molecular understanding of this tumor subtype and offer potential targets for miR-based therapies.
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Affiliation(s)
- Björn Schneider
- Institute of Pathology, University Medicine Rostock, Strempelstr. 14, 18057 Rostock, Germany
| | - Doreen William
- Children and Adolescents Hospital, University Medicine Rostock, Ernst-Heydemann-Str. 8, 18057 Rostock, Germany
- Present Address: ERN-GENTURIS, Hereditary Cancer Syndrome Center Dresden, Institute for Clinical Genetics, University Hospital Carl Gustav Carus at the Technische Universität Dresden, Dresden, Germany
| | - Nora Lamp
- Institute of Pathology, University Medicine Rostock, Strempelstr. 14, 18057 Rostock, Germany
| | - Annette Zimpfer
- Institute of Pathology, University Medicine Rostock, Strempelstr. 14, 18057 Rostock, Germany
| | - Christian Henker
- Department of Neurosurgery, University Medicine Rostock, Schillingallee 35, 18057 Rostock, Germany
| | - Carl Friedrich Classen
- Children and Adolescents Hospital, University Medicine Rostock, Ernst-Heydemann-Str. 8, 18057 Rostock, Germany
| | - Andreas Erbersdobler
- Institute of Pathology, University Medicine Rostock, Strempelstr. 14, 18057 Rostock, Germany
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Gusmão LA, Matsuo FS, Barbosa HFG, Tedesco AC. Advances in nano-based materials for glioblastoma multiforme diagnosis: A mini-review. FRONTIERS IN NANOTECHNOLOGY 2022. [DOI: 10.3389/fnano.2022.836802] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
The development of nano-based materials for diagnosis enables a more precise prognosis and results. Inorganic, organic, or hybrid nanoparticles using nanomaterials, such as quantum dots, extracellular vesicle systems, and others, with different molecular compositions, have been extensively explored as a better strategy to overcome the blood-brain barrier and target brain tissue and tumors. Glioblastoma multiforme (GBM) is the most common and aggressive primary tumor of the central nervous system, with a short, established prognosis. The delay in early detection is considered a key challenge in designing a precise and efficient treatment with the most encouraging prognosis. Therefore, the present mini-review focuses on discussing distinct strategies presented recently in the literature regarding nanostructures’ use, design, and application for GBM diagnosis.
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130
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Alharbi KS, Javed Shaikh MA, Afzal O, Alfawaz Altamimi AS, Almalki WH, Alzarea SI, Kazmi I, Al-Abbasi FA, Singh SK, Dua K, Gupta G. An overview of epithelial growth factor receptor (EGFR) inhibitors in cancer therapy. Chem Biol Interact 2022; 366:110108. [PMID: 36027944 DOI: 10.1016/j.cbi.2022.110108] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2022] [Revised: 08/02/2022] [Accepted: 08/10/2022] [Indexed: 12/28/2022]
Abstract
Epithelial growth factor receptor (EGFR), a transmembrane receptor on the cell surface, carries extracellular messages into the cell and alters the activity of the nucleus through tyrosine signalling. EGFR-targeted treatments have influenced the new era of precision oncology throughout the last few decades. Despite significant progress, long-term remission from solid tumours is still a distant goal for many oncologists. There are several methods by which tumour cells alter the activity of this protein in solid tumours. EGFR-related oncogenic pathways, resistance mechanisms, and novel avenues to suppress tumour development and metastatic spread were discovered in clinical specimens using preclinical models (cell cultures, xenografts, mouse models), which were then validated in those specimens. EGFR has been implicated in the onset and advancement of a variety of cancers, according to research. An overview of EGFR's structural anatomy and physiology, its role in cancers, and clinical studies that target EGFR in various tumours are included in this review.
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Affiliation(s)
- Khalid Saad Alharbi
- Department of Pharmacology, College of Pharmacy, Jouf University, Sakaka, Al-Jouf, Saudi Arabia
| | | | - Obaid Afzal
- Department of Pharmaceutical Chemistry, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Al Kharj, 11942, Saudi Arabia
| | | | - Waleed Hassan Almalki
- Department of Pharmacology, College of Pharmacy, Umm Al-Qura University, Makkah, Saudi Arabia
| | - Sami I Alzarea
- Department of Pharmacology, College of Pharmacy, Jouf University, Sakaka, Al-Jouf, Saudi Arabia
| | - Imran Kazmi
- Department of Biochemistry, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Fahad A Al-Abbasi
- Department of Biochemistry, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Sachin Kumar Singh
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Punjab, 144411, India; Faculty of Health, Australian Research Centre in Complementary and Integrative Medicine, University of Technology Sydney, Ultimo, Australia
| | - Kamal Dua
- Faculty of Health, Australian Research Centre in Complementary and Integrative Medicine, University of Technology Sydney, Ultimo, Australia; Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, NSW, 2007, Australia.
| | - Gaurav Gupta
- School of Pharmacy, Suresh Gyan Vihar University, Mahal Road, Jagatpura, Jaipur, India; Department of Pharmacology, Saveetha Dental College, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, India; Uttaranchal Institute of Pharmaceutical Sciences, Uttaranchal University, Dehradun, India.
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In silico validation of RNA-Seq results can identify gene fusions with oncogenic potential in glioblastoma. Sci Rep 2022; 12:14439. [PMID: 36002559 PMCID: PMC9402576 DOI: 10.1038/s41598-022-18608-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Accepted: 08/16/2022] [Indexed: 11/08/2022] Open
Abstract
RNA-Sequencing (RNA-Seq) can identify gene fusions in tumors, but not all these fusions have functional consequences. Using multiple data bases, we have performed an in silico analysis of fusions detected by RNA-Seq in tumor samples from 139 newly diagnosed glioblastoma patients to identify in-frame fusions with predictable oncogenic potential. Among 61 samples with fusions, there were 103 different fusions, involving 167 different genes, including 20 known oncogenes or tumor suppressor genes (TSGs), 16 associated with cancer but not oncogenes or TSGs, and 32 not associated with cancer but previously shown to be involved in fusions in gliomas. After selecting in-frame fusions able to produce a protein product and running Oncofuse, we identified 30 fusions with predictable oncogenic potential and classified them into four non-overlapping categories: six previously described in cancer; six involving an oncogene or TSG; four predicted by Oncofuse to have oncogenic potential; and 14 other in-frame fusions. Only 24 patients harbored one or more of these 30 fusions, and only two fusions were present in more than one patient: FGFR3::TACC3 and EGFR::SEPTIN14. This in silico study provides a good starting point for the identification of gene fusions with functional consequences in the pathogenesis or treatment of glioblastoma.
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Sareen H, Ma Y, Becker TM, Roberts TL, de Souza P, Powter B. Molecular Biomarkers in Glioblastoma: A Systematic Review and Meta-Analysis. Int J Mol Sci 2022; 23:ijms23168835. [PMID: 36012105 PMCID: PMC9408540 DOI: 10.3390/ijms23168835] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2022] [Revised: 08/03/2022] [Accepted: 08/04/2022] [Indexed: 11/16/2022] Open
Abstract
Background: Glioblastoma (GBM) is a highly aggressive cancer with poor prognosis that needs better treatment modalities. Moreover, there is a lack of reliable biomarkers to predict the response and outcome of current or newly designed therapies. While several molecular markers have been proposed as potential biomarkers for GBM, their uptake into clinical settings is slow and impeded by marker heterogeneity. Detailed assessment of prognostic and predictive value for biomarkers in well-defined clinical trial settings, if available, is scattered throughout the literature. Here we conducted a systematic review and meta-analysis to evaluate the prognostic and predictive significance of clinically relevant molecular biomarkers in GBM patients. Material and methods: A comprehensive literature search was conducted to retrieve publications from 3 databases (Pubmed, Cochrane and Embase) from January 2010 to December 2021, using specific terms. The combined hazard ratios (HR) and confidence intervals (95% CI) were used to evaluate the association of biomarkers with overall survival (OS) in GBM patients. Results: Twenty-six out of 1831 screened articles were included in this review. Nineteen articles were included in the meta-analyses, and 7 articles were quantitatively summarised. Fourteen studies with 1231 GBM patients showed a significant association of MGMT methylation with better OS with the pooled HR of 1.66 (95% CI 1.32−2.09, p < 0.0001, random effect). Five studies including 541 GBM patients analysed for the prognostic significance of IDH1 mutation showed significantly better OS in patients with IDH1 mutation with a pooled HR of 2.37 (95% CI 1.81−3.12; p < 0.00001]. Meta-analysis performed on 5 studies including 575 GBM patients presenting with either amplification or high expression of EGFR gene did not reveal any prognostic significance with a pooled HR of 1.31 (95% CI 0.96−1.79; p = 0.08). Conclusions: MGMT promoter methylation and IDH1 mutation are significantly associated with better OS in GBM patients. No significant associations were found between EGFR amplification or overexpression with OS.
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Affiliation(s)
- Heena Sareen
- Centre for Circulating Tumour Cell Diagnostics and Research, Ingham Institute for Applied Medical Research, Liverpool, NSW 2170, Australia
- South-Western Clinical School, University of New South Wales, Liverpool, NSW 2170, Australia
- Correspondence: ; Tel.: +61-0406937108
| | - Yafeng Ma
- Centre for Circulating Tumour Cell Diagnostics and Research, Ingham Institute for Applied Medical Research, Liverpool, NSW 2170, Australia
- South-Western Clinical School, University of New South Wales, Liverpool, NSW 2170, Australia
| | - Therese M. Becker
- Centre for Circulating Tumour Cell Diagnostics and Research, Ingham Institute for Applied Medical Research, Liverpool, NSW 2170, Australia
- South-Western Clinical School, University of New South Wales, Liverpool, NSW 2170, Australia
- School of Medicine, Western Sydney University, Campbelltown, NSW 2560, Australia
| | - Tara L. Roberts
- Centre for Circulating Tumour Cell Diagnostics and Research, Ingham Institute for Applied Medical Research, Liverpool, NSW 2170, Australia
- South-Western Clinical School, University of New South Wales, Liverpool, NSW 2170, Australia
- School of Medicine, Western Sydney University, Campbelltown, NSW 2560, Australia
| | - Paul de Souza
- South-Western Clinical School, University of New South Wales, Liverpool, NSW 2170, Australia
- School of Medicine, Western Sydney University, Campbelltown, NSW 2560, Australia
- Liverpool Hospital, Liverpool, NSW 2170, Australia
| | - Branka Powter
- Centre for Circulating Tumour Cell Diagnostics and Research, Ingham Institute for Applied Medical Research, Liverpool, NSW 2170, Australia
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Kaltschmidt B, Helweg LP, Greiner JFW, Kaltschmidt C. NF-κB in neurodegenerative diseases: Recent evidence from human genetics. Front Mol Neurosci 2022; 15:954541. [PMID: 35983068 PMCID: PMC9380593 DOI: 10.3389/fnmol.2022.954541] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Accepted: 07/11/2022] [Indexed: 11/13/2022] Open
Abstract
The transcription factor NF-κB is commonly known to drive inflammation and cancer progression, but is also a crucial regulator of a broad range of cellular processes within the mammalian nervous system. In the present review, we provide an overview on the role of NF-κB in the nervous system particularly including its constitutive activity within cortical and hippocampal regions, neuroprotection as well as learning and memory. Our discussion further emphasizes the increasing role of human genetics in neurodegenerative disorders, namely, germline mutations leading to defects in NF-κB-signaling. In particular, we propose that loss of function mutations upstream of NF-κB such as ADAM17, SHARPIN, HOIL, or OTULIN affect NF-κB-activity in Alzheimer’s disease (AD) patients, in turn driving anatomical defects such as shrinkage of entorhinal cortex and the limbic system in early AD. Similarly, E3 type ubiquitin ligase PARKIN is positively involved in NF-κB signaling. PARKIN loss of function mutations are most frequently observed in Parkinson’s disease patients. In contrast to AD, relying on germline mutations of week alleles and a disease development over decades, somatic mutations affecting NF-κB activation are commonly observed in cells derived from glioblastoma multiforme (GBM), the most common malignant primary brain tumor. Here, our present review particularly sheds light on the mutual exclusion of either the deletion of NFKBIA or amplification of epidermal growth factor receptor (EGFR) in GBM, both resulting in constitutive NF-κB-activity driving tumorigenesis. We also discuss emerging roles of long non-coding RNAs such as HOTAIR in suppressing phosphorylation of IκBα in the context of GBM. In summary, the recent progress in the genetic analysis of patients, particularly those suffering from AD, harbors the potential to open up new vistas for research and therapy based on TNFα/NF-κB pathway and neuroprotection.
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Affiliation(s)
- Barbara Kaltschmidt
- Department of Molecular Neurobiology, Bielefeld University, Bielefeld, Germany
- Forschungsverbund BioMedizin Bielefeld, Ostwestfalen-Lippe (OWL) (FBMB E.V.), Bielefeld, Germany
- Department of Cell Biology, Biological Faculty, University of Bielefeld, Bielefeld, Germany
- *Correspondence: Barbara Kaltschmidt,
| | - Laureen P. Helweg
- Forschungsverbund BioMedizin Bielefeld, Ostwestfalen-Lippe (OWL) (FBMB E.V.), Bielefeld, Germany
- Department of Cell Biology, Biological Faculty, University of Bielefeld, Bielefeld, Germany
| | - Johannes F. W. Greiner
- Forschungsverbund BioMedizin Bielefeld, Ostwestfalen-Lippe (OWL) (FBMB E.V.), Bielefeld, Germany
- Department of Cell Biology, Biological Faculty, University of Bielefeld, Bielefeld, Germany
| | - Christian Kaltschmidt
- Forschungsverbund BioMedizin Bielefeld, Ostwestfalen-Lippe (OWL) (FBMB E.V.), Bielefeld, Germany
- Department of Cell Biology, Biological Faculty, University of Bielefeld, Bielefeld, Germany
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Beytagh MC, Weiss WA. EGFR ligands dictate tumour suppression. Nat Cell Biol 2022; 24:1189-1191. [PMID: 35915160 PMCID: PMC10484171 DOI: 10.1038/s41556-022-00967-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Amplification of EGFR occurs frequently in glioblastoma. Canonically, EGFR is an oncogene with a major role in cancer pathogenesis. A new study posits a tumor suppressive role of EGFR in EGFR -amplified glioblastoma, regulated by ligand abundance. Increased EGFR ligand in EGFR -amplified glioblastoma suppresses invasion by upregulation of BIN3, inhibiting activation of Rho GTPases.
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Affiliation(s)
- Mary Clare Beytagh
- Medical Scientist Training Program and Graduate Program in Biomedical Sciences, University of California, San Francisco, CA, USA
| | - William A Weiss
- Medical Scientist Training Program and Graduate Program in Biomedical Sciences, University of California, San Francisco, CA, USA.
- Department of Neurology, University of California, San Francisco, CA, USA.
- Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, CA, USA.
- Departments of Pediatrics and Neurological Surgery, University of California, San Francisco, CA, USA.
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135
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Vaquero J, Pavy A, Gonzalez-Sanchez E, Meredith M, Arbelaiz A, Fouassier L. Genetic alterations shaping tumor response to anti-EGFR therapies. Drug Resist Updat 2022; 64:100863. [DOI: 10.1016/j.drup.2022.100863] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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136
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Guo G, Gong K, Beckley N, Zhang Y, Yang X, Chkheidze R, Hatanpaa KJ, Garzon-Muvdi T, Koduru P, Nayab A, Jenks J, Sathe AA, Liu Y, Xing C, Wu SY, Chiang CM, Mukherjee B, Burma S, Wohlfeld B, Patel T, Mickey B, Abdullah K, Youssef M, Pan E, Gerber DE, Tian S, Sarkaria JN, McBrayer SK, Zhao D, Habib AA. EGFR ligand shifts the role of EGFR from oncogene to tumour suppressor in EGFR-amplified glioblastoma by suppressing invasion through BIN3 upregulation. Nat Cell Biol 2022; 24:1291-1305. [PMID: 35915159 PMCID: PMC9389625 DOI: 10.1038/s41556-022-00962-4] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Accepted: 06/14/2022] [Indexed: 02/03/2023]
Abstract
The epidermal growth factor receptor (EGFR) is a prime oncogene that is frequently amplified in glioblastomas. Here we demonstrate a new tumour-suppressive function of EGFR in EGFR-amplified glioblastomas regulated by EGFR ligands. Constitutive EGFR signalling promotes invasion via activation of a TAB1-TAK1-NF-κB-EMP1 pathway, resulting in large tumours and decreased survival in orthotopic models. Ligand-activated EGFR promotes proliferation and surprisingly suppresses invasion by upregulating BIN3, which inhibits a DOCK7-regulated Rho GTPase pathway, resulting in small hyperproliferating non-invasive tumours and improved survival. Data from The Cancer Genome Atlas reveal that in EGFR-amplified glioblastomas, a low level of EGFR ligands confers a worse prognosis, whereas a high level of EGFR ligands confers an improved prognosis. Thus, increased EGFR ligand levels shift the role of EGFR from oncogene to tumour suppressor in EGFR-amplified glioblastomas by suppressing invasion. The tumour-suppressive function of EGFR can be activated therapeutically using tofacitinib, which suppresses invasion by increasing EGFR ligand levels and upregulating BIN3.
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Affiliation(s)
- Gao Guo
- Department of Neurology, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Ke Gong
- Department of Neurology, University of Texas Southwestern Medical Center, Dallas, TX, USA
- Hubei Province Key Laboratory of Allergy and Immunology and Department of Immunology, School of Basic Medical Sciences, Taikang Medical School, Wuhan University, Wuhan, China
| | - Nicole Beckley
- Department of Neurology, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Yue Zhang
- Department of Neurology, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Xiaoyao Yang
- Department of Neurology, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Rati Chkheidze
- Department of Pathology, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Kimmo J Hatanpaa
- Department of Pathology, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Tomas Garzon-Muvdi
- Department of Neurosurgery, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Prasad Koduru
- Department of Pathology, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Arifa Nayab
- Department of Neurology, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Jennifer Jenks
- Department of Neurology, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Adwait Amod Sathe
- Eugene McDermott Center for Human Growth and Development, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Yan Liu
- Eugene McDermott Center for Human Growth and Development, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Chao Xing
- Eugene McDermott Center for Human Growth and Development, University of Texas Southwestern Medical Center, Dallas, TX, USA
- Department of Population and Data Sciences, University of Texas Southwestern Medical Center, Dallas, TX, USA
- Department of Bioinformatics, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Shwu-Yuan Wu
- Harold C. Simmons Comprehensive Cancer Center, University of Texas Southwestern Medical Center, Dallas, TX, USA
- Department of Biochemistry, University of Texas Southwestern Medical Center, Dallas, TX, USA
- Department of Pharamacology, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Cheng-Ming Chiang
- Harold C. Simmons Comprehensive Cancer Center, University of Texas Southwestern Medical Center, Dallas, TX, USA
- Department of Biochemistry, University of Texas Southwestern Medical Center, Dallas, TX, USA
- Department of Pharamacology, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Bipasha Mukherjee
- Department of Neurosurgery, University of Texas Health San Antonio, San Antonio, TX, USA
| | - Sandeep Burma
- Department of Neurosurgery, University of Texas Health San Antonio, San Antonio, TX, USA
- Department of Biochemistry and Structural Biology, University of Texas Health San Antonio, San Antonio, TX, USA
| | - Bryan Wohlfeld
- Department of Neurosurgery, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Toral Patel
- Department of Neurosurgery, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Bruce Mickey
- Department of Neurosurgery, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Kalil Abdullah
- Department of Neurosurgery, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Michael Youssef
- Department of Neurology, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Edward Pan
- Department of Neurology, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - David E Gerber
- Eugene McDermott Center for Human Growth and Development, University of Texas Southwestern Medical Center, Dallas, TX, USA
- Harold C. Simmons Comprehensive Cancer Center, University of Texas Southwestern Medical Center, Dallas, TX, USA
- Division of Hematology-Oncology, Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Shulan Tian
- Department of Quantitative Heath Sciences, Mayo Clinic, Rochester, MN, USA
| | - Jann N Sarkaria
- Department of Radiation Oncology, Mayo Clinic, Rochester, MN, USA
| | - Samuel K McBrayer
- Department of Pediatrics and Children's Medical Center Research Institute, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Dawen Zhao
- Departments of Biomedical Engineering and Cancer Biology, Wake Forest School of Medicine, Winston Salem, NC, USA
| | - Amyn A Habib
- Department of Neurology, University of Texas Southwestern Medical Center, Dallas, TX, USA.
- Harold C. Simmons Comprehensive Cancer Center, University of Texas Southwestern Medical Center, Dallas, TX, USA.
- Peter O'Donnell Jr. Brain Institute, University of Texas Southwestern Medical Center, Dallas, TX, USA.
- VA North Texas Health Care System, Dallas, TX, USA.
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Sansone G, Vivori N, Vivori C, Di Stefano AL, Picca A. Basic premises: searching for new targets and strategies in diffuse gliomas. Clin Transl Imaging 2022. [DOI: 10.1007/s40336-022-00507-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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138
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Heteronemin and Tetrac Induce Anti-Proliferation by Blocking EGFR-Mediated Signaling in Colorectal Cancer Cells. Mar Drugs 2022; 20:md20080482. [PMID: 36005485 PMCID: PMC9410344 DOI: 10.3390/md20080482] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 07/21/2022] [Accepted: 07/24/2022] [Indexed: 02/04/2023] Open
Abstract
Overexpressed EGFR and mutant K-Ras play vital roles in therapeutic resistance in colorectal cancer patients. To search for an effective therapeutic protocol is an urgent task. A secondary metabolite in the sponge Hippospongia sp., Heteronemin, has been shown to induce anti-proliferation in several types of cancers. A thyroxine-deaminated analogue, tetrac, binds to integrin αvβ3 to induce anti-proliferation in different cancers. Heteronemin- and in combination with tetrac-induced antiproliferative effects were evaluated. Tetrac enhanced heteronemin-induced anti-proliferation in HT-29 cells (KRAS WT CRC) and HCT-116 cells (KRAS MT CRC). Heteronemin and tetrac arrested cell cycle in different phases. Combined treatment increased the cell accumulation in sub-G1 and S phases. The combined treatment also induced the inactivation of EGFR signaling and downregulated the phosphorylated ERK1/2 protein in both cell lines. Heteronemin and the combination showed the downregulation of the phosphorylated and total PI3K protein in HT-29 cells (KRAS WT CRC). Results by NanoString technology and RT-qPCR revealed that heteronemin and combined treatment suppressed the expression of EGFR and downstream genes in HCT-116 cells (KRAS MT CRC). Heteronemin or combined treatment downregulated genes associated with cancer progression and decreased cell motility. Heteronemin or the combined treatment suppressed PD-L1 expression in both cancer cell lines. However, only tetrac and the combined treatment inhibited PD-L1 protein accumulation in HT-29 cells (KRAS WT CRC) and HCT-116 cells (KRAS MT CRC), respectively. In summary, heteronemin induced anti-proliferation in colorectal cancer cells by blocking the EGFR-dependent signal transduction pathway. The combined treatment further enhanced the anti-proliferative effect via PD-L1 suppression. It can be an alternative strategy to suppress mutant KRAS resistance for anti-EGFR therapy.
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139
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Abstract
EGFR is a member of the ERBB family. It plays a significant role in cellular processes such as growth, survival and differentiation via the activation of various signaling pathways. EGFR deregulation is implicated in various human malignancies, and therefore EGFR has emerged as an attractive anticancer target. EGFR inhibition using strategies such as tyrosine kinase inhibitors and monoclonal antibodies hinders cellular proliferation and promotes apoptosis in cancer cells in vitro and in vivo. EGFR inhibition by tyrosine kinase inhibitors has been shown to be a better treatment option than chemotherapy for advanced-stage EGFR-driven non-small-cell lung cancer, yet de novo and acquired resistance limits the clinical benefit of these therapeutic molecules. This review discusses the cellular signaling pathways activated by EGFR. Further, current therapeutic strategies to target aberrant EGFR signaling in cancer and mechanisms of resistance to them are highlighted.
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140
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Kurdi M, Moshref RH, Katib Y, Faizo E, Najjar AA, Bahakeem B, Bamaga AK. Simple approach for the histomolecular diagnosis of central nervous system gliomas based on 2021 World Health Organization Classification. World J Clin Oncol 2022; 13:567-576. [PMID: 36157161 PMCID: PMC9346424 DOI: 10.5306/wjco.v13.i7.567] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/05/2022] [Revised: 04/24/2022] [Accepted: 06/27/2022] [Indexed: 02/06/2023] Open
Abstract
The classification of central nervous system (CNS) glioma went through a sequence of developments, between 2006 and 2021, started with only histological approach then has been aided with a major emphasis on molecular signatures in the 4th and 5th editions of the World Health Organization (WHO). The recent reformation in the 5th edition of the WHO classification has focused more on the molecularly defined entities with better characterized natural histories as well as new tumor types and subtypes in the adult and pediatric populations. These new subclassified entities have been incorporated in the 5th edition after the continuous exploration of new genomic, epigenomic and transcriptomic discovery. Indeed, the current guidelines of 2021 WHO classification of CNS tumors and European Association of Neuro-Oncology (EANO) exploited the molecular signatures in the diagnostic approach of CNS gliomas. Our current review presents a practical diagnostic approach for diffuse CNS gliomas and circumscribed astrocytomas using histomolecular criteria adopted by the recent WHO classification. We also describe the treatment strategies for these tumors based on EANO guidelines.
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Affiliation(s)
- Maher Kurdi
- Department of Pathology, Faculty of Medicine, King Abdulaziz University, Jeddah 213733, Saudi Arabia
| | - Rana H Moshref
- Department of Neurosciences, King Faisal Specialist Hospital and Research Center, Jeddah 213733, Saudi Arabia
| | - Yousef Katib
- Department of Radiology, Faculty of Medicine, Taibah University, Almadinah Almunawwarah 213733, Saudi Arabia
| | - Eyad Faizo
- Division of Neurosurgery, Department of Surgery, Faculty of Medicine, Tabuk University, Tabuk 213733, Saudi Arabia
| | - Ahmed A Najjar
- College of Medicine, Taibah University, Almadinah Almunawwarah 213733, Saudi Arabia
| | - Basem Bahakeem
- Faculty of Medicine, Umm-Alqura University, Makkah 213733, Saudi Arabia
| | - Ahmed K Bamaga
- Department of Pediatric, Neuromuscular Medicine Unit, Faculty of Medicine and King Abdulaziz University Hospital, King Abdulaziz University, Jeddah 213733, Saudi Arabia
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141
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Caraway CA, Gaitsch H, Wicks EE, Kalluri A, Kunadi N, Tyler BM. Polymeric Nanoparticles in Brain Cancer Therapy: A Review of Current Approaches. Polymers (Basel) 2022; 14:2963. [PMID: 35890738 PMCID: PMC9322801 DOI: 10.3390/polym14142963] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Revised: 07/13/2022] [Accepted: 07/18/2022] [Indexed: 12/13/2022] Open
Abstract
Translation of novel therapies for brain cancer into clinical practice is of the utmost importance as primary brain tumors are responsible for more than 200,000 deaths worldwide each year. While many research efforts have been aimed at improving survival rates over the years, prognosis for patients with glioblastoma and other primary brain tumors remains poor. Safely delivering chemotherapeutic drugs and other anti-cancer compounds across the blood-brain barrier and directly to tumor cells is perhaps the greatest challenge in treating brain cancer. Polymeric nanoparticles (NPs) are powerful, highly tunable carrier systems that may be able to overcome those obstacles. Several studies have shown appropriately-constructed polymeric NPs cross the blood-brain barrier, increase drug bioavailability, reduce systemic toxicity, and selectively target central nervous system cancer cells. While no studies relating to their use in treating brain cancer are in clinical trials, there is mounting preclinical evidence that polymeric NPs could be beneficial for brain tumor therapy. This review includes a variety of polymeric NPs and how their associated composition, surface modifications, and method of delivery impact their capacity to improve brain tumor therapy.
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Affiliation(s)
- Chad A. Caraway
- Hunterian Neurosurgical Research Laboratory, Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA; (C.A.C.); (H.G.); (E.E.W.); (A.K.); (N.K.)
| | - Hallie Gaitsch
- Hunterian Neurosurgical Research Laboratory, Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA; (C.A.C.); (H.G.); (E.E.W.); (A.K.); (N.K.)
- NIH-Oxford-Cambridge Scholars Program, Wellcome—MRC Cambridge Stem Cell Institute and Department of Clinical Neurosciences, University of Cambridge, Cambridge CB2 1TN, UK
| | - Elizabeth E. Wicks
- Hunterian Neurosurgical Research Laboratory, Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA; (C.A.C.); (H.G.); (E.E.W.); (A.K.); (N.K.)
- University of Mississippi School of Medicine, University of Mississippi Medical Center, Jackson, MS 39216, USA
| | - Anita Kalluri
- Hunterian Neurosurgical Research Laboratory, Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA; (C.A.C.); (H.G.); (E.E.W.); (A.K.); (N.K.)
| | - Navya Kunadi
- Hunterian Neurosurgical Research Laboratory, Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA; (C.A.C.); (H.G.); (E.E.W.); (A.K.); (N.K.)
| | - Betty M. Tyler
- Hunterian Neurosurgical Research Laboratory, Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA; (C.A.C.); (H.G.); (E.E.W.); (A.K.); (N.K.)
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Batool SM, Muralidharan K, Hsia T, Falotico S, Gamblin AS, Rosenfeld YB, Khanna SK, Balaj L, Carter BS. Highly sensitive EGFRvIII detection in circulating extracellular vesicle RNA of glioma patients. Clin Cancer Res 2022; 28:4070-4082. [PMID: 35849415 DOI: 10.1158/1078-0432.ccr-22-0444] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Revised: 05/01/2022] [Accepted: 07/14/2022] [Indexed: 11/16/2022]
Abstract
PURPOSE Liquid biopsy offers an attractive platform for non-invasive tumor diagnosis, prognostication and prediction of glioblastoma clinical outcomes. Prior studies report that 30-50% of GBM lesions characterized by EGFR amplification also harbor the EGFRvIII mutation. EXPERIMENTAL DESIGN A novel digital droplet PCR (ddPCR) assay for high GC content amplicons was developed and optimized for sensitive detection of EGFRvIII in tumor tissue and circulating extracellular vesicle RNA (EV RNA) isolated from the plasma of glioma patients. RESULTS Our optimized qPCR assay detected EGFRvIII mRNA in 81% (95% CI, 68% - 94%) of EGFR amplified glioma tumor tissue, indicating a higher than previously reported prevalence of EGFRvIII in glioma. Using the optimized ddPCR assay in discovery and blinded validation cohorts, we detected EGFRvIII mutation in 73% (95% CI, 64% - 82%) of patients with a specificity of 98% (95% CI, 87% - 100%), compared with qPCR tumor tissue analysis. Additionally, upon longitudinal monitoring in 4 patients, we report detection of EGFRvIII in the plasma of patients with different clinical outcomes, rising with tumor progression, and decreasing in response to treatment. CONCLUSION This study demonstrates the feasibility of detecting EGFRvIII mutation in plasma using a highly sensitive and specific ddPCR assay. We also show a higher than previously reported EGFRvIII prevalence in glioma tumor tissue. Several features of the assay are favorable for clinical implementation for detection and monitoring of EGFRvIII positive tumors.
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Affiliation(s)
| | | | - Tiffaney Hsia
- Massachusetts General Hospital, Boston, MA, United States
| | | | | | | | | | - Leonora Balaj
- Massachusetts General Hospital, Boston, United States
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Mechanical Properties of the Extracellular Environment of Human Brain Cells Drive the Effectiveness of Drugs in Fighting Central Nervous System Cancers. Brain Sci 2022; 12:brainsci12070927. [PMID: 35884733 PMCID: PMC9313046 DOI: 10.3390/brainsci12070927] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Revised: 07/11/2022] [Accepted: 07/13/2022] [Indexed: 12/04/2022] Open
Abstract
The evaluation of nanomechanical properties of tissues in health and disease is of increasing interest to scientists. It has been confirmed that these properties, determined in part by the composition of the extracellular matrix, significantly affect tissue physiology and the biological behavior of cells, mainly in terms of their adhesion, mobility, or ability to mutate. Importantly, pathophysiological changes that determine disease development within the tissue usually result in significant changes in tissue mechanics that might potentially affect the drug efficacy, which is important from the perspective of development of new therapeutics, since most of the currently used in vitro experimental models for drug testing do not account for these properties. Here, we provide a summary of the current understanding of how the mechanical properties of brain tissue change in pathological conditions, and how the activity of the therapeutic agents is linked to this mechanical state.
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144
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El Khayari A, Bouchmaa N, Taib B, Wei Z, Zeng A, El Fatimy R. Metabolic Rewiring in Glioblastoma Cancer: EGFR, IDH and Beyond. Front Oncol 2022; 12:901951. [PMID: 35912242 PMCID: PMC9329787 DOI: 10.3389/fonc.2022.901951] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Accepted: 06/21/2022] [Indexed: 12/12/2022] Open
Abstract
Glioblastoma multiforme (GBM), a highly invasive and incurable tumor, is the humans’ foremost, commonest, and deadliest brain cancer. As in other cancers, distinct combinations of genetic alterations (GA) in GBM induce a diversity of metabolic phenotypes resulting in enhanced malignancy and altered sensitivity to current therapies. Furthermore, GA as a hallmark of cancer, dysregulated cell metabolism in GBM has been recently linked to the acquired GA. Indeed, Numerous point mutations and copy number variations have been shown to drive glioma cells’ metabolic state, affecting tumor growth and patient outcomes. Among the most common, IDH mutations, EGFR amplification, mutation, PTEN loss, and MGMT promoter mutation have emerged as key patterns associated with upregulated glycolysis and OXPHOS glutamine addiction and altered lipid metabolism in GBM. Therefore, current Advances in cancer genetic and metabolic profiling have yielded mechanistic insights into the metabolism rewiring of GBM and provided potential avenues for improved therapeutic modalities. Accordingly, actionable metabolic dependencies are currently used to design new treatments for patients with glioblastoma. Herein, we capture the current knowledge of genetic alterations in GBM, provide a detailed understanding of the alterations in metabolic pathways, and discuss their relevance in GBM therapy.
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Affiliation(s)
- Abdellatif El Khayari
- Institute of Biological Sciences (ISSB-P), Mohammed VI Polytechnic University (UM6P), Ben-Guerir, Morocco
| | - Najat Bouchmaa
- Institute of Biological Sciences (ISSB-P), Mohammed VI Polytechnic University (UM6P), Ben-Guerir, Morocco
| | - Bouchra Taib
- Institute of Sport Professions (IMS), Ibn Tofail University, Avenida de l’Université, Kenitra, Morocco
- Research Unit on Metabolism, Physiology and Nutrition, Department of Biology, Faculty of Science, Ibn Tofail University, Kenitra, Morocco
| | - Zhiyun Wei
- Shanghai Key Laboratory of Maternal Fetal Medicine, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Ailiang Zeng
- Department of Cancer Biology, University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Rachid El Fatimy
- Institute of Biological Sciences (ISSB-P), Mohammed VI Polytechnic University (UM6P), Ben-Guerir, Morocco
- *Correspondence: Rachid El Fatimy,
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145
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Wang Z, Liu Y, Xiao Y, Xie Y, Wang R, Zhang Y, Zhou Q, Liu L, Sun S, Xiao H, Zou Y, Yang K, Li X, Zhao M, Hu Y, Liu H. Intelligent Nanoparticles With pH-Sensitive Co-Delivery of Temozolomide and siEGFR to Ameliorate Glioma Therapy. Front Genet 2022; 13:921051. [PMID: 35903366 PMCID: PMC9315344 DOI: 10.3389/fgene.2022.921051] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2022] [Accepted: 05/03/2022] [Indexed: 11/13/2022] Open
Abstract
Glioblastoma (GBM) is one of the most lethal forms of human cancer, with very few long-term survivors. In addition to surgery, chemotherapy is still an important strategy. Unfortunately, GBM chemotherapy faces two main challenges: first, in GBM, epidermal growth factor receptor (EGFR) overexpression results in chemoresistance; second, temozolomide (TMZ) lacks target specificity, which can lead to a reduction in the concentration and side effects in GBM. Nowadays, with the development of nanomedicine systems for applications in tumor therapies, increasing anticancer efficacy and reducing side effects with multi-drug delivery are huge advantages. In this study, pH-sensitive and GBM-targeting nanovesicle (Tf-PEG-PAE(SS)) was fabricated. The chemotherapy drug (TMZ) and EGFR inhibitor (EGFR-siRNA) were co-encapsulated in the nanocarrier, and their anticancer outcomes were investigated in detail. In vitro experiments have shown that the nanocarrier transports TMZ and EGFR-siRNA efficiently into U87 cells, causing a vigorous apoptotic response by silencing the proliferative EGFR gene and increasing the drug concentration of TMZ simultaneously. An experimental study in mice bearing orthotropic glioma revealed that the accumulated nanocarriers in the tumor site could inhibit the tumor growth and prolong the mice survival remarkably through the intracranial injection of Tf-PEG-PAE(SS)/TMZ@siEGFR. The drug co-delivery system could extend the blood circulation time and offer a new strategy to treat glioblastoma.
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Affiliation(s)
- Zhen Wang
- Department of Neurosurgery, The Affiliated Brain Hospital with Nanjing Medical University, Fourth Clinical College of Nanjing Medical University, Nanjing, China
| | - Yuyang Liu
- Department of Neurosurgery, The Affiliated Brain Hospital with Nanjing Medical University, Fourth Clinical College of Nanjing Medical University, Nanjing, China
| | - Yong Xiao
- Department of Neurosurgery, The Affiliated Brain Hospital with Nanjing Medical University, Fourth Clinical College of Nanjing Medical University, Nanjing, China
| | - Yandong Xie
- Department of Neurosurgery, The Affiliated Brain Hospital with Nanjing Medical University, Fourth Clinical College of Nanjing Medical University, Nanjing, China
| | - Ran Wang
- Department of Neurosurgery, The Affiliated Brain Hospital with Nanjing Medical University, Fourth Clinical College of Nanjing Medical University, Nanjing, China
| | - Yiding Zhang
- Department of Neurosurgery, The Affiliated Brain Hospital with Nanjing Medical University, Fourth Clinical College of Nanjing Medical University, Nanjing, China
| | - Qi Zhou
- Department of Neurosurgery, The Affiliated Brain Hospital with Nanjing Medical University, Fourth Clinical College of Nanjing Medical University, Nanjing, China
| | - Liang Liu
- Department of Neurosurgery, The Affiliated Brain Hospital with Nanjing Medical University, Fourth Clinical College of Nanjing Medical University, Nanjing, China
| | - Shuo Sun
- Department of Neurosurgery, The Affiliated Brain Hospital with Nanjing Medical University, Fourth Clinical College of Nanjing Medical University, Nanjing, China
| | - Hong Xiao
- Department of Neuro-Psychiatric Institute, The Affiliated Brain Hospital with Nanjing Medical University, Nanjing, China
| | - Yuanjie Zou
- Department of Neurosurgery, The Affiliated Brain Hospital with Nanjing Medical University, Fourth Clinical College of Nanjing Medical University, Nanjing, China
| | - Kun Yang
- Department of Neurosurgery, The Affiliated Brain Hospital with Nanjing Medical University, Fourth Clinical College of Nanjing Medical University, Nanjing, China
| | - Xiang Li
- Department of Neurosurgery, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China
| | - Mengjie Zhao
- Department of Neuro-Psychiatric Institute, The Affiliated Brain Hospital with Nanjing Medical University, Nanjing, China
- *Correspondence: Mengjie Zhao, ; Yifang Hu, ; Hongyi Liu,
| | - Yifang Hu
- Department of Geriatric Endocrinology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
- *Correspondence: Mengjie Zhao, ; Yifang Hu, ; Hongyi Liu,
| | - Hongyi Liu
- Department of Neurosurgery, The Affiliated Brain Hospital with Nanjing Medical University, Fourth Clinical College of Nanjing Medical University, Nanjing, China
- *Correspondence: Mengjie Zhao, ; Yifang Hu, ; Hongyi Liu,
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146
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Monteleone L, Marengo B, Musumeci F, Grossi G, Carbone A, Valenti GE, Domenicotti C, Schenone S. Anti-Survival Effect of SI306 and Its Derivatives on Human Glioblastoma Cells. Pharmaceutics 2022; 14:pharmaceutics14071399. [PMID: 35890294 PMCID: PMC9318396 DOI: 10.3390/pharmaceutics14071399] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2022] [Revised: 06/29/2022] [Accepted: 06/30/2022] [Indexed: 02/04/2023] Open
Abstract
Glioblastoma (GBM) is the most common adult brain tumor and, although many efforts have been made to find valid therapies, the onset of resistance is the main cause of recurrence. Therefore, it is crucial to identify and target the molecular mediators responsible for GBM malignancy. In this context, the use of Src inhibitors such as SI306 (C1) and its prodrug (C2) showed promising results, suggesting that SI306 could be the lead compound useful to derivate new anti-GBM drugs. Therefore, a new prodrug of SI306 (C3) was synthesized and tested on CAS-1 and U87 human GBM cells by comparing its effect to that of C1 and C2. All compounds were more effective on CAS-1 than U87 cells, while C2 was the most active on both cell lines. Moreover, the anti-survival effect was associated with a reduction in the expression of epidermal growth factor receptor (EGFR)WT and EGFR-vIII in U87 and CAS-1 cells, respectively. Collectively, our findings demonstrate that all tested compounds are able to counteract GBM survival, further supporting the role of SI306 as progenitor of promising new drugs to treat malignant GBM.
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Affiliation(s)
- Lorenzo Monteleone
- Department of Experimental Medicine (DIMES), General Pathology Section, University of Genoa, 16132 Genoa, Italy; (L.M.); (B.M.); (G.E.V.)
| | - Barbara Marengo
- Department of Experimental Medicine (DIMES), General Pathology Section, University of Genoa, 16132 Genoa, Italy; (L.M.); (B.M.); (G.E.V.)
- Inter-University Center for the Promotion of the 3Rs Principles in Teaching & Research (Centro 3R), 56122 Pisa, Italy
| | - Francesca Musumeci
- Department of Pharmacy, University of Genoa, 16132 Genoa, Italy; (F.M.); (G.G.); (A.C.); (S.S.)
| | - Giancarlo Grossi
- Department of Pharmacy, University of Genoa, 16132 Genoa, Italy; (F.M.); (G.G.); (A.C.); (S.S.)
| | - Anna Carbone
- Department of Pharmacy, University of Genoa, 16132 Genoa, Italy; (F.M.); (G.G.); (A.C.); (S.S.)
| | - Giulia E. Valenti
- Department of Experimental Medicine (DIMES), General Pathology Section, University of Genoa, 16132 Genoa, Italy; (L.M.); (B.M.); (G.E.V.)
| | - Cinzia Domenicotti
- Department of Experimental Medicine (DIMES), General Pathology Section, University of Genoa, 16132 Genoa, Italy; (L.M.); (B.M.); (G.E.V.)
- Inter-University Center for the Promotion of the 3Rs Principles in Teaching & Research (Centro 3R), 56122 Pisa, Italy
- Correspondence: ; Tel.: +39-010-353-8830
| | - Silvia Schenone
- Department of Pharmacy, University of Genoa, 16132 Genoa, Italy; (F.M.); (G.G.); (A.C.); (S.S.)
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147
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Verreault M, Segoviano Vilchis I, Rosenberg S, Lemaire N, Schmitt C, Guehennec J, Royer-Perron L, Thomas JL, Lam TT, Dingli F, Loew D, Ducray F, Paris S, Carpentier C, Marie Y, Laigle-Donadey F, Rousseau A, Pigat N, Boutillon F, Bielle F, Mokhtari K, Frank SJ, de Reyniès A, Hoang-Xuan K, Sanson M, Goffin V, Idbaih A. Identification of growth hormone receptor as a relevant target for precision medicine in low-EGFR expressing glioblastoma. Clin Transl Med 2022; 12:e939. [PMID: 35808822 PMCID: PMC9270581 DOI: 10.1002/ctm2.939] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Revised: 05/30/2022] [Accepted: 06/05/2022] [Indexed: 11/11/2022] Open
Abstract
Objective New therapeutic approaches are needed to improve the prognosis of glioblastoma (GBM) patients. Methods With the objective of identifying alternative oncogenic mechanisms to abnormally activated epidermal growth factor receptor (EGFR) signalling, one of the most common oncogenic mechanisms in GBM, we performed a comparative analysis of gene expression profiles in a series of 54 human GBM samples. We then conducted gain of function as well as genetic and pharmocological inhibition assays in GBM patient‐derived cell lines to functionnally validate our finding. Results We identified that growth hormone receptor (GHR) signalling defines a distinct molecular subset of GBMs devoid of EGFR overexpression. GHR overexpression was detected in one third of patients and was associated with low levels of suppressor of cytokine signalling 2 (SOCS2) expression due to SOCS2 promoter hypermethylation. In GBM patient‐derived cell lines, GHR signalling modulates the expression of proteins involved in cellular movement, promotes cell migration, invasion and proliferation in vitro and promotes tumourigenesis, tumour growth, and tumour invasion in vivo. GHR genetic and pharmacological inhibition reduced cell proliferation and migration in vitro. Conclusion This study pioneers a new field of investigation to improve the prognosis of GBM patients.
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Affiliation(s)
- Maïté Verreault
- Sorbonne Université, Institut du Cerveau - Paris Brain Institute - ICM, Inserm, CNRS, AP-HP, Hôpital de la Pitié Salpêtrière, Paris, France
| | - Irma Segoviano Vilchis
- Sorbonne Université, Institut du Cerveau - Paris Brain Institute - ICM, Inserm, CNRS, AP-HP, Hôpital de la Pitié Salpêtrière, Paris, France
| | - Shai Rosenberg
- Laboratory for Cancer Computational Biology & Gaffin Center for Neuro-Oncology, Hadassah - Hebrew University Medical Center, Jerusalem, Israel
| | - Nolwenn Lemaire
- Sorbonne Université, Institut du Cerveau - Paris Brain Institute - ICM, Inserm, CNRS, AP-HP, Hôpital de la Pitié Salpêtrière, Paris, France
| | - Charlotte Schmitt
- Sorbonne Université, Institut du Cerveau - Paris Brain Institute - ICM, Inserm, CNRS, AP-HP, Hôpital de la Pitié Salpêtrière, Paris, France
| | - Jérémy Guehennec
- Sorbonne Université, Institut du Cerveau - Paris Brain Institute - ICM, Inserm, CNRS, AP-HP, Hôpital de la Pitié Salpêtrière, Paris, France
| | - Louis Royer-Perron
- DMU Neurosciences, Service de Neurologie 2-Mazarin, Sorbonne Université, Institut du Cerveau - Paris Brain Institute - ICM, Inserm, CNRS, AP-HP, Hôpital de la Pitié Salpêtrière, Paris, France
| | - Jean-Léon Thomas
- Sorbonne Université, Institut du Cerveau - Paris Brain Institute - ICM, Inserm, CNRS, AP-HP, Hôpital de la Pitié Salpêtrière, Paris, France.,Department of Neurology, Yale University School of Medicine, New Haven, Connecticut, USA
| | - TuKiet T Lam
- Mass Spectrometry & Proteomics Resource, Keck Biotechnology Resource Laboratory, New Haven, Connecticut, USA.,Department of Molecular Biophysics and Biochemistry, Yale University, New Haven, Connecticut, USA
| | - Florent Dingli
- Institut Curie, Centre de Recherche, PSL Research University, Laboratoire de Spectrométrie de Masse Protéomique, Paris, France
| | - Damarys Loew
- Institut Curie, Centre de Recherche, PSL Research University, Laboratoire de Spectrométrie de Masse Protéomique, Paris, France
| | | | - Sophie Paris
- Sorbonne Université, Institut du Cerveau - Paris Brain Institute - ICM, Inserm, CNRS, AP-HP, Hôpital de la Pitié Salpêtrière, Paris, France
| | - Catherine Carpentier
- Sorbonne Université, Institut du Cerveau - Paris Brain Institute - ICM, Inserm, CNRS, AP-HP, Hôpital de la Pitié Salpêtrière, Paris, France
| | - Yannick Marie
- Sorbonne Université, Institut du Cerveau - Paris Brain Institute - ICM, Inserm, CNRS, AP-HP, Hôpital de la Pitié Salpêtrière, Paris, France
| | - Florence Laigle-Donadey
- DMU Neurosciences, Service de Neurologie 2-Mazarin, Sorbonne Université, Institut du Cerveau - Paris Brain Institute - ICM, Inserm, CNRS, AP-HP, Hôpital de la Pitié Salpêtrière, Paris, France
| | - Audrey Rousseau
- Sorbonne Université, Institut du Cerveau - Paris Brain Institute - ICM, Inserm, CNRS, AP-HP, Hôpital de la Pitié Salpêtrière, Paris, France.,DMU Neurosciences, Service de Neurologie 2-Mazarin, Sorbonne Université, Institut du Cerveau - Paris Brain Institute - ICM, Inserm, CNRS, AP-HP, Hôpital de la Pitié Salpêtrière, Paris, France
| | - Natascha Pigat
- Université Paris Cité, INSERM UMR-S1151, CNRS UMR-S8253, Institut Necker Enfants Malades, Paris, France
| | - Florence Boutillon
- Université Paris Cité, INSERM UMR-S1151, CNRS UMR-S8253, Institut Necker Enfants Malades, Paris, France
| | - Franck Bielle
- DMU Neurosciences, Service de Neurologie 2-Mazarin, Sorbonne Université, Institut du Cerveau - Paris Brain Institute - ICM, Inserm, CNRS, AP-HP, Hôpital de la Pitié Salpêtrière, Paris, France
| | - Karima Mokhtari
- DMU Neurosciences, Service de Neurologie 2-Mazarin, Sorbonne Université, Institut du Cerveau - Paris Brain Institute - ICM, Inserm, CNRS, AP-HP, Hôpital de la Pitié Salpêtrière, Paris, France
| | - Stuart J Frank
- Division of Endocrinology, Diabetes, and Metabolism, Department of Medicine, University of Alabama, Birmingham, Alabama, USA.,Endocrinology Section, Medical Service, Birmingham VA Medical Center, Birmingham, Alabama, USA
| | - Aurélien de Reyniès
- Programme Cartes d'Identité des Tumeurs (CIT), Ligue Nationale Contre le Cancer, Service de Bioinformatique, Paris, France
| | - Khê Hoang-Xuan
- DMU Neurosciences, Service de Neurologie 2-Mazarin, Sorbonne Université, Institut du Cerveau - Paris Brain Institute - ICM, Inserm, CNRS, AP-HP, Hôpital de la Pitié Salpêtrière, Paris, France
| | - Marc Sanson
- DMU Neurosciences, Service de Neurologie 2-Mazarin, Sorbonne Université, Institut du Cerveau - Paris Brain Institute - ICM, Inserm, CNRS, AP-HP, Hôpital de la Pitié Salpêtrière, Paris, France
| | - Vincent Goffin
- Université Paris Cité, INSERM UMR-S1151, CNRS UMR-S8253, Institut Necker Enfants Malades, Paris, France
| | - Ahmed Idbaih
- DMU Neurosciences, Service de Neurologie 2-Mazarin, Sorbonne Université, Institut du Cerveau - Paris Brain Institute - ICM, Inserm, CNRS, AP-HP, Hôpital de la Pitié Salpêtrière, Paris, France
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148
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Kenchappa RS, Dovas A, Argenziano MG, Meyer CT, Stopfer LE, Banu MA, Pereira B, Griffith J, Mohammad A, Talele S, Haddock A, Zarco N, Elmquist W, White F, Quaranta V, Sims P, Canoll P, Rosenfeld SS. Activation of STAT3 through combined SRC and EGFR signaling drives resistance to a mitotic kinesin inhibitor in glioblastoma. Cell Rep 2022; 39:110991. [PMID: 35732128 PMCID: PMC10018805 DOI: 10.1016/j.celrep.2022.110991] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Revised: 04/27/2022] [Accepted: 06/01/2022] [Indexed: 01/19/2023] Open
Abstract
Inhibitors of the mitotic kinesin Kif11 are anti-mitotics that, unlike vinca alkaloids or taxanes, do not disrupt microtubules and are not neurotoxic. However, development of resistance has limited their clinical utility. While resistance to Kif11 inhibitors in other cell types is due to mechanisms that prevent these drugs from disrupting mitosis, we find that in glioblastoma (GBM), resistance to the Kif11 inhibitor ispinesib works instead through suppression of apoptosis driven by activation of STAT3. This form of resistance requires dual phosphorylation of STAT3 residues Y705 and S727, mediated by SRC and epidermal growth factor receptor (EGFR), respectively. Simultaneously inhibiting SRC and EGFR reverses this resistance, and combined targeting of these two kinases in vivo with clinically available inhibitors is synergistic and significantly prolongs survival in ispinesib-treated GBM-bearing mice. We thus identify a translationally actionable approach to overcoming Kif11 inhibitor resistance that may work to block STAT3-driven resistance against other anti-cancer therapies as well.
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Affiliation(s)
| | - Athanassios Dovas
- Department of Pathology and Cell Biology, Columbia University Irving Medical Center, New York, NY 10032, USA
| | - Michael G Argenziano
- Department of Pathology and Cell Biology, Columbia University Irving Medical Center, New York, NY 10032, USA
| | - Christian T Meyer
- Department of Biochemistry, Vanderbilt University, Nashville, TN 37232, USA
| | - Lauren E Stopfer
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Matei A Banu
- Department of Pathology and Cell Biology, Columbia University Irving Medical Center, New York, NY 10032, USA
| | - Brianna Pereira
- Department of Pathology and Cell Biology, Columbia University Irving Medical Center, New York, NY 10032, USA
| | - Jessica Griffith
- Department of Pharmaceutics, University of Minnesota, Minneapolis, MN 55455, USA
| | - Afroz Mohammad
- Department of Pharmaceutics, University of Minnesota, Minneapolis, MN 55455, USA
| | - Surabhi Talele
- Department of Pharmaceutics, University of Minnesota, Minneapolis, MN 55455, USA
| | - Ashley Haddock
- Department of Cancer Biology, Mayo Clinic, Jacksonville, FL 32224, USA
| | - Natanael Zarco
- Department of Neurosurgery, Mayo Clinic, Jacksonville, FL 32224, USA
| | - William Elmquist
- Department of Pharmaceutics, University of Minnesota, Minneapolis, MN 55455, USA
| | - Forest White
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Vito Quaranta
- Department of Biochemistry, Vanderbilt University, Nashville, TN 37232, USA
| | - Peter Sims
- Department of Systems Biology, Columbia University Irving Medical Center, New York, NY 10032, USA
| | - Peter Canoll
- Department of Pathology and Cell Biology, Columbia University Irving Medical Center, New York, NY 10032, USA
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149
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Wang K, Chen YF, Yang YCSH, Huang HM, Lee SY, Shih YJ, Li ZL, Whang-Peng J, Lin HY, Davis PJ. The power of heteronemin in cancers. J Biomed Sci 2022; 29:41. [PMID: 35705962 PMCID: PMC9202199 DOI: 10.1186/s12929-022-00816-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Accepted: 05/24/2022] [Indexed: 12/14/2022] Open
Abstract
Heteronemin (Haimian jing) is a sesterterpenoid-type natural marine product that is isolated from sponges and has anticancer properties. It inhibits cancer cell proliferation via different mechanisms, such as reactive oxygen species (ROS) production, cell cycle arrest, apoptosis as well as proliferative gene changes in various types of cancers. Recently, the novel structure and bioactivity evaluation of heteronemin has received extensive attention. Hormones control physiological activities regularly, however, they may also affect several abnormalities such as cancer. L-Thyroxine (T4), steroid hormones, and epidermal growth factor (EGF) up-regulate the accumulation of checkpoint programmed death-ligand 1 (PD-L1) and promote inflammation in cancer cells. Heteronemin suppresses PD-L1 expression and reduces the PD-L1-induced proliferative effect. In the current review, we evaluated research and evidence regarding the antitumor effects of heteronemin and the antagonizing effects of non-peptide hormones and growth factors on heteronemin-induced anti-cancer properties and utilized computational molecular modeling to explain how these ligands interacted with the integrin αvβ3 receptors. On the other hand, thyroid hormone deaminated analogue, tetraiodothyroacetic acid (tetrac), modulates signal pathways and inhibits cancer growth and metastasis. The combination of heteronemin and tetrac derivatives has been demonstrated to compensate for anti-proliferation in cancer cells under different circumstances. Overall, this review outlines the potential of heteronemin in managing different types of cancers that may lead to its clinical development as an anticancer agent.
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Affiliation(s)
- Kuan Wang
- Graduate Institute of Nanomedicine and Medical Engineering, College of Medical Engineering, Taipei Medical University, 250 Wuxing Street, Taipei 110, Taipei, 11031, Taiwan
| | - Yi-Fong Chen
- Graduate Institute of Cancer Molecular Biology and Drug Discovery, College of Medical Science and Technology, Taipei Medical University, Taipei, 11031, Taiwan
| | - Yu-Chen S H Yang
- Joint Biobank, Office of Human Research, Taipei Medical University, Taipei, 11031, Taiwan
| | - Haw-Ming Huang
- School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei, 11031, Taiwan
| | - Sheng-Yang Lee
- School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei, 11031, Taiwan.,Dentistry, Wan-Fang Medical Center, Taipei Medical University, Taipei, 11031, Taiwan
| | - Ya-Jung Shih
- Graduate Institute of Nanomedicine and Medical Engineering, College of Medical Engineering, Taipei Medical University, 250 Wuxing Street, Taipei 110, Taipei, 11031, Taiwan.,Graduate Institute of Cancer Molecular Biology and Drug Discovery, College of Medical Science and Technology, Taipei Medical University, Taipei, 11031, Taiwan
| | - Zi-Lin Li
- Graduate Institute of Nanomedicine and Medical Engineering, College of Medical Engineering, Taipei Medical University, 250 Wuxing Street, Taipei 110, Taipei, 11031, Taiwan.,Graduate Institute of Cancer Molecular Biology and Drug Discovery, College of Medical Science and Technology, Taipei Medical University, Taipei, 11031, Taiwan
| | - Jacqueline Whang-Peng
- Cancer Center, Wan Fang Hospital, Taipei Medical University, No. 111, Section 3, Xinglong Road, Wenshan District, Taipei City, 116, Taipei, 11031, Taiwan.
| | - Hung-Yun Lin
- Graduate Institute of Cancer Molecular Biology and Drug Discovery, College of Medical Science and Technology, Taipei Medical University, Taipei, 11031, Taiwan. .,Cancer Center, Wan Fang Hospital, Taipei Medical University, No. 111, Section 3, Xinglong Road, Wenshan District, Taipei City, 116, Taipei, 11031, Taiwan. .,TMU Research Center of Cancer Translational Medicine, Taipei Medical University, Taipei, 11031, Taiwan. .,Traditional Herbal Medicine Research Center of Taipei Medical University Hospital, Taipei Medical University, Taipei, 11031, Taiwan. .,Pharmaceutical Research Institute, Albany College of Pharmacy and Health Sciences, Rensselaer, NY, 12144, USA.
| | - Paul J Davis
- Pharmaceutical Research Institute, Albany College of Pharmacy and Health Sciences, Rensselaer, NY, 12144, USA.,Department of Medicine, Albany Medical College, Albany, NY12144, USA
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150
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Yang HH, Zhang FF. Magnetic Resonance Imaging Features in Diagnosis of Breast Cancer and Evaluation of Effect of Epidermal Growth Factor Receptor-Targeted Therapy. BIOMED RESEARCH INTERNATIONAL 2022; 2022:3127058. [PMID: 35747502 PMCID: PMC9213179 DOI: 10.1155/2022/3127058] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 04/15/2022] [Accepted: 04/22/2022] [Indexed: 11/17/2022]
Abstract
Breast cancer diagnosis and treatment are important healthcare issues in the Industrialized World. In this study, magnetic resonance imaging (MRI) images are used to diagnose breast cancer (BC) and analyze the application effect of epidermal factor receptor-targeted therapy in the treatment of BC. A total of 858 patients diagnosed with BC in Jincheng People's Hospital from 2019 to 2021 are included and randomly divided into an experimental group and a control group. The experimental group is treated with epidermal growth factor receptor- (EGFR-) targeted therapy, and the control group is treated with conventional chemotherapy according to subsequent treatment modalities. Experimental results show that compared with manual segmentation, machine automatic segmentation includes the local and edge information of the image with higher accuracy, compared with benign and malignant tumors. There are significant differences in the changes of Tpeak, SSmax, El, E2, and E5, P < 0.05, with SSmax and El having the greatest changes. After chemotherapy, the recorded maximum diameter of cancer foci in the control and the experimental groups are 26.4 ± 11.6 mm and 20.3 ± 13.5 mm, respectively, and the difference is statistically meaningful (P < 0.05). The ADC value (12.74 ± 2.08) in the experimental group is higher than that (9.7 ± 1.88) in the control group (P < 0.05). There is a significant difference in SSmax between the control group and experimental group (P < 0.05), the SImax, pH values of the control group are significantly higher than those of the experimental group (P < 0.05), and the SSmaxR value (7.82 ± 6.24) in the experimental group is lower than that in the control group (10.08 ± 6.25), but the difference is not significant, P > 0.05. The proposed MRI method has high sensitivity and accuracy in the diagnosis of BC, improving the detection rate of lesions, compared with conventional chemotherapy. In addition, epidermal factor receptor-targeted therapy has a better therapeutic effect, with significant changes in cancer foci, which has the value of clinical promotion.
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Affiliation(s)
- Hao Hao Yang
- Department of Oncology, Jincheng People's Hospital, Jincheng, 048000 Shanxi, China
| | - Fang Fang Zhang
- Department of Oncology, Jincheng People's Hospital, Jincheng, 048000 Shanxi, China
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