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Ito F, Kato K, Yanatori I, Maeda Y, Murohara T, Toyokuni S. Matrigel-based organoid culture of malignant mesothelioma reproduces cisplatin sensitivity through CTR1. BMC Cancer 2023; 23:487. [PMID: 37254056 DOI: 10.1186/s12885-023-10966-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Accepted: 05/16/2023] [Indexed: 06/01/2023] Open
Abstract
Organoids are a three-dimensional (3D) culture system that simulate actual organs. Therefore, tumor organoids are expected to predict precise response to chemotherapy in patients. However, to date, few studies have studied the drug responses in organoids of malignant mesothelioma (MM). The poor prognosis of MM emphasizes the importance of establishing a protocol for generating MM-organoid for research and clinical use. Here, we established murine MM organoids from p53+/- or wild-type C57BL/6 strain by intraperitoneal injection either with crocidolite or carbon nanotube. Established MM-organoids proliferated in Matrigel as spheroids. Subcutaneous injection assays revealed that the MM-organoids mimicked actual tissue architecture and maintained the original histological features of the primary MM. RNA sequencing and pathway analyses revealed that the significant expressional differences between the 2D- and 3D-culture systems were observed in receptor tyrosine kinases, including IGF1R and EGFR, glycosylation and cholesterol/steroid metabolism. MM-organoids exhibited a more sensitive response to cisplatin through stable plasma membrane localization of a major cisplatin transporter, copper transporter 1/Slc31A1 (Ctr1) in comparison to 2D-cultures, presumably through glycosylation and lipidation. The Matrigel culture system facilitated the localization of CTR1 on the plasma membrane, which simulated the original MMs and the subcutaneous xenografts. These results suggest that the newly developed protocol for MM-organoids is useful to study strategies to overcome chemotherapy resistance to cisplatin.
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Affiliation(s)
- Fumiya Ito
- Department of Pathology and Biological Responses, Nagoya University Graduate School of Medicine, 65 Tsurumai-Cho, Showa-Ku, Nagoya, 466-8550, Japan
| | - Katsuhiro Kato
- Department of Cardiology, Nagoya University Graduate School of Medicine, 65 Tsurumai-Cho, Showa-Ku, Nagoya, 466-8550, Japan
| | - Izumi Yanatori
- Department of Molecular and Cellular Physiology, Graduate School of Medicine, Kyoto University, Sakyo-Ku, Kyoto, 606-8501, Japan
| | - Yuki Maeda
- Department of Pathology and Biological Responses, Nagoya University Graduate School of Medicine, 65 Tsurumai-Cho, Showa-Ku, Nagoya, 466-8550, Japan
| | - Toyoaki Murohara
- Department of Cardiology, Nagoya University Graduate School of Medicine, 65 Tsurumai-Cho, Showa-Ku, Nagoya, 466-8550, Japan
| | - Shinya Toyokuni
- Department of Pathology and Biological Responses, Nagoya University Graduate School of Medicine, 65 Tsurumai-Cho, Showa-Ku, Nagoya, 466-8550, Japan.
- Center for Low-Temperature Plasma Sciences, Nagoya University, Furo-Cho, Chikusa-Ku, Nagoya, 464-8603, Japan.
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2
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Adhikary G, Shrestha S, Naselsky W, Newland JJ, Chen X, Xu W, Emadi A, Friedberg JS, Eckert RL. Mesothelioma cancer cells are glutamine addicted and glutamine restriction reduces YAP1 signaling to attenuate tumor formation. Mol Carcinog 2023; 62:438-449. [PMID: 36562471 PMCID: PMC10071591 DOI: 10.1002/mc.23497] [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: 10/26/2022] [Revised: 11/18/2022] [Accepted: 12/11/2022] [Indexed: 12/24/2022]
Abstract
Glutamine addiction is an important phenotype displayed in some types of cancer. In these cells, glutamine depletion results in a marked reduction in the aggressive cancer phenotype. Mesothelioma is an extremely aggressive disease that lacks effective therapy. In this study, we show that mesothelioma tumors are glutamine addicted suggesting that glutamine depletion may be a potential therapeutic strategy. We show that glutamine restriction, by removing glutamine from the medium or treatment with inhibitors that attenuate glutamine uptake (V-9302) or conversion to glutamate (CB-839), markedly reduces mesothelioma cell proliferation, spheroid formation, invasion, and migration. Inhibition of the SLC1A5 glutamine importer, by knockout or treatment with V-9302, an SLC1A5 inhibitor, also markedly reduces mesothelioma cell tumor growth. A relationship between glutamine utilization and YAP1/TEAD signaling has been demonstrated in other tumor types, and the YAP1/TEAD signaling cascade is active in mesothelioma cells and drives cell survival and proliferation. We therefore assessed the impact of glutamine depletion on YAP1/TEAD signaling. We show that glutamine restriction, SLC1A5 knockdown/knockout, or treatment with V-9302 or CB-839, reduces YAP1 level, YAP1/TEAD-dependent transcription, and YAP1/TEAD target protein (e.g., CTGF, cyclin D1, COL1A2, COL3A1, etc.) levels. These changes are observed in both cells and tumors. These findings indicate that mesothelioma is a glutamine addicted cancer, show that glutamine depletion attenuates YAP1/TEAD signaling and tumor growth, and suggest that glutamine restriction may be useful as a mesothelioma treatment strategy.
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Affiliation(s)
- Gautam Adhikary
- Department of Biochemistry and Molecular Biology University of Maryland School of Medicine
| | - Suruchi Shrestha
- Department of Biochemistry and Molecular Biology University of Maryland School of Medicine
| | - Warren Naselsky
- Department of Surgery University of Maryland School of Medicine
| | - John J. Newland
- Department of Surgery University of Maryland School of Medicine
| | - Xi Chen
- Department of Biochemistry and Molecular Biology University of Maryland School of Medicine
| | - Wen Xu
- Department of Biochemistry and Molecular Biology University of Maryland School of Medicine
| | - Ashkan Emadi
- Department of Medicine University of Maryland School of Medicine
- The Marlene and Stewart Greenebaum Comprehensive Cancer Center University of Maryland School of Medicine
| | - Joseph S. Friedberg
- Department of Thoracic Medicine and Surgery, Lewis Katz School of Medicine at Temple University
| | - Richard L. Eckert
- Department of Biochemistry and Molecular Biology University of Maryland School of Medicine
- Department of Dermatology University of Maryland School of Medicine
- The Marlene and Stewart Greenebaum Comprehensive Cancer Center University of Maryland School of Medicine
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3
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Naselsky W, Adhikary G, Shrestha S, Chen X, Ezeka G, Xu W, Friedberg JS, Eckert RL. Transglutaminase 2 enhances hepatocyte growth factor signaling to drive the mesothelioma cancer cell phenotype. Mol Carcinog 2022; 61:537-548. [PMID: 35319795 PMCID: PMC10074999 DOI: 10.1002/mc.23399] [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: 12/08/2021] [Accepted: 12/09/2021] [Indexed: 11/08/2022]
Abstract
Transglutaminase 2 (TG2) is an important mesothelioma cancer cell survival protein. However, the mechanism whereby TG2 maintains mesothelioma cell survival is not well understood. We present studies showing that TG2 drives hepatocyte growth factor (HGF)-dependent MET receptor signaling to maintain the aggressive mesothelioma cancer phenotype. TG2 increases HGF and MET messenger RNA and protein levels to enhance MET signaling. TG2 inactivation reduces MET tyrosine kinase activity to reduce cancer cell spheroid formation, invasion and migration. We also confirm that HGF/MET signaling is a biologically important mediator of TG2 action. Reducing MET level using genetic methods or treatment with MET inhibitors reduces spheroid formation, invasion and migration and this is associated with reduced MEK1/2 and ERK1/2. In addition, MEK1/2 and ERK1/2 inhibitors suppress the cancer phenotype. Moreover, MET knockout mesothelioma cells form 10-fold smaller tumors compared to wild-type cells and these tumors display reduced MET, MEK1/2, and ERK1/2 activity. These findings suggest that TG2 maintains HGF and MET levels in cultured mesothelioma cells and tumors to drive HGF/MET, MEK1/2, and ERK1/2 signaling to maintain the aggressive mesothelioma cancer phenotype.
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Affiliation(s)
- Warren Naselsky
- Department of Surgery, Division of Thoracic Oncology, University of Maryland School of Medicine, Baltimore, Maryland
| | - Gautam Adhikary
- Department of Biochemistry and Molecular Biology, University of Maryland School of Medicine, Baltimore, Maryland
| | - Suruchi Shrestha
- Department of Biochemistry and Molecular Biology, University of Maryland School of Medicine, Baltimore, Maryland
| | - Xi Chen
- Department of Biochemistry and Molecular Biology, University of Maryland School of Medicine, Baltimore, Maryland
| | - Geraldine Ezeka
- Department of Biochemistry and Molecular Biology, University of Maryland School of Medicine, Baltimore, Maryland
| | - Wen Xu
- Department of Biochemistry and Molecular Biology, University of Maryland School of Medicine, Baltimore, Maryland
| | - Joseph S Friedberg
- Department of Surgery, Division of Thoracic Oncology, University of Maryland School of Medicine, Baltimore, Maryland
- Marlene and Stewart Greenebaum Comprehensive Cancer Center, University of Maryland School of Medicine, Baltimore, Maryland
| | - Richard L. Eckert
- Department of Biochemistry and Molecular Biology, University of Maryland School of Medicine, Baltimore, Maryland
- Department of Dermatology, University of Maryland School of Medicine, Baltimore, Maryland
- Department of Reproductive Biology, University of Maryland School of Medicine, Baltimore, Maryland
- Marlene and Stewart Greenebaum Comprehensive Cancer Center, University of Maryland School of Medicine, Baltimore, Maryland
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4
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Anobile DP, Montenovo G, Pecoraro C, Franczak M, Ait Iddouch W, Peters GJ, Riganti C, Giovannetti E. Splicing deregulation, microRNA and Notch aberrations: fighting the three-headed dog to overcome drug resistance in malignant mesothelioma. Expert Rev Clin Pharmacol 2022; 15:305-322. [PMID: 35533249 DOI: 10.1080/17512433.2022.2074835] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
INTRODUCTION Malignant mesothelioma (MMe) is an aggressive rare cancer of the mesothelium, associated with asbestos exposure. MMe is currently an incurable disease at all stages mainly due to resistance to treatments. It is therefore necessary to elucidate key mechanisms underlying chemoresistance, in an effort to exploit them as novel therapeutic targets. AREAS COVERED Chemoresistance is frequently elicited by microRNA (miRNA) alterations and splicing deregulations. Indeed, several miRNAs, such as miR-29c, have been shown to exert oncogenic or oncosuppressive activity. Alterations in the splicing machinery might also be involved in chemoresistance. Moreover, the Notch signaling pathway, often deregulated in MMe, plays a key role in cancer stem cells formation and self-renewal, leading to drug resistance and relapses. EXPERT OPINION The prognosis of MMe in patients varies among different tumors and patient characteristics, and novel biomarkers and therapies are warranted. This work aims at giving an overview of MMe, with a special focus on state-of-the-art treatments and new therapeutic strategies against vulnerabilities emerging from studies on epigenetics factors. Besides, this review is also the first to discuss the interplay between miRNAs and alternative splicing as well as the role of Notch as new promising frontiers to overcome drug resistance in MMe.
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Affiliation(s)
- Dario P Anobile
- Department of Medical Oncology, VU University Medical Center, Cancer Center Amsterdam, 1081HV Amsterdam, Netherlands.,Department of Oncology, University of Torino, 10043 Orbassano, Italy
| | - Giulia Montenovo
- Department of Medical Oncology, VU University Medical Center, Cancer Center Amsterdam, 1081HV Amsterdam, Netherlands.,Department of Medicine and Surgery, University of Parma, 43126 Parma, Italy
| | - Camilla Pecoraro
- Department of Medical Oncology, VU University Medical Center, Cancer Center Amsterdam, 1081HV Amsterdam, Netherlands.,Dipartimento Di Scienze E Tecnologie Biologiche Chimiche E Farmaceutiche (STEBICEF), Università degli Studi di Palermo, Palermo, Italy
| | - Marika Franczak
- Department of Medical Oncology, VU University Medical Center, Cancer Center Amsterdam, 1081HV Amsterdam, Netherlands.,Department of Biochemistry, Medical University of Gdansk, 80-210 Gdansk, Poland
| | - Widad Ait Iddouch
- Department of Medical Oncology, VU University Medical Center, Cancer Center Amsterdam, 1081HV Amsterdam, Netherlands
| | - Godefridus J Peters
- Department of Medical Oncology, VU University Medical Center, Cancer Center Amsterdam, 1081HV Amsterdam, Netherlands.,Department of Biochemistry, Medical University of Gdansk, 80-210 Gdansk, Poland
| | - Chiara Riganti
- Department of Oncology, University of Torino, 10043 Orbassano, Italy
| | - Elisa Giovannetti
- Department of Medical Oncology, VU University Medical Center, Cancer Center Amsterdam, 1081HV Amsterdam, Netherlands.,Fondazione Pisana per la Scienza Pisa, 56100 Pisa, Italy
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5
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Bronte G, Procopio AD, Graciotti L. The application of cancer stem cell model in malignant mesothelioma. Crit Rev Oncol Hematol 2022; 174:103698. [PMID: 35525390 DOI: 10.1016/j.critrevonc.2022.103698] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Revised: 04/30/2022] [Accepted: 05/02/2022] [Indexed: 12/22/2022] Open
Abstract
The high mortality rate of malignant pleural mesothelioma led to study the mechanisms for chemoresistance. The cancer stem cell (CSC) model has been proposed to explain chemoresistance. CSCs are characterized by self-renewal capacity, that is detected through tumor-initiating cell assays. As in other malignancies, many studies sought to identify surface markers to isolate CSCs from malignant mesothelioma. Other studies characterized malignant mesothelioma CSCs for the expression of specific genes involved in stemness and the expression of proteins involved in chemoresistance. However, the main methods to characterize isolated CSCs include sphere formation, invasiveness, tumor-initiating capacity and expression of specific surface markers. The better knowledge of malignant mesothelioma CSCs allowed exploring new potential targets to develop specific treatments.
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Affiliation(s)
- Giuseppe Bronte
- Department of Clinical and Molecular Sciences (DISCLIMO), Università Politecnica delle Marche, Ancona, Italy.
| | - Antonio Domenico Procopio
- Department of Clinical and Molecular Sciences (DISCLIMO), Università Politecnica delle Marche, Ancona, Italy; Clinic of Laboratory and Precision Medicine, National Institute of Health and Sciences on Ageing (INRCA-IRCCS), Ancona, Italy
| | - Laura Graciotti
- Department of Biomedical Sciences and Public Health, Università Politecnica delle Marche, Ancona, Italy
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6
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ACTL6A suppresses p21 Cip1 tumor suppressor expression to maintain an aggressive mesothelioma cancer cell phenotype. Oncogenesis 2021; 10:70. [PMID: 34689163 PMCID: PMC8542039 DOI: 10.1038/s41389-021-00362-7] [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: 06/30/2021] [Revised: 09/20/2021] [Accepted: 09/30/2021] [Indexed: 11/13/2022] Open
Abstract
Mesothelioma is a poor prognosis cancer of the mesothelial lining that develops in response to exposure to various agents including asbestos. Actin-Like Protein 6A (ACTL6A, BAF53a) is a SWI/SNF regulatory complex protein that is elevated in cancer cells and has been implicated as a driver of cancer cell survival and tumor formation. In the present study, we show that ACTL6A drives mesothelioma cancer cell proliferation, spheroid formation, invasion, and migration, and that these activities are markedly attenuated by ACTL6A knockdown. ACTL6A expression reduces the levels of the p21Cip1 cyclin-dependent kinase inhibitor and tumor suppressor protein. DNA binding studies show that ACTL6A interacts with Sp1 and p53 binding DNA response elements in the p21Cip1 gene promoter and that this is associated with reduced p21Cip1 promoter activity and p21Cip1 mRNA and protein levels. Moreover, ACTL6A suppression of p21Cip1 expression is required for maintenance of the aggressive mesothelioma cancer cell phenotype suggesting that p21Cip1 is a mediator of ACTL6A action. p53, a known inducer of p21Cip1 expression, is involved ACTL6A in regulation of p21Cip1 in some but not all mesothelioma cells. In addition, ACTL6A knockout markedly reduces tumor formation and this is associated with elevated tumor levels of p21Cip1. These findings suggest that ACTL6A suppresses p21Cip1 promoter activity to reduce p21Cip1 protein as a mechanism to maintain the aggressive mesothelioma cell phenotype.
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7
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Ezeka G, Adhikary G, Kandasamy S, Friedberg JS, Eckert RL. Sulforaphane inhibits PRMT5 and MEP50 function to suppress the mesothelioma cancer cell phenotype. Mol Carcinog 2021; 60:429-439. [PMID: 33872411 PMCID: PMC10074327 DOI: 10.1002/mc.23301] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Revised: 03/26/2021] [Accepted: 03/28/2021] [Indexed: 01/26/2023]
Abstract
Mesothelioma is a highly aggressive cancer of the mesothelial lining that is caused by exposure to asbestos. Surgical resection followed by chemotherapy is the current treatment strategy, but this is marginally successful and leads to drug-resistant disease. We are interested in factors that maintain the aggressive mesothelioma cancer phenotype as therapy targets. Protein arginine methyltransferase 5 (PRMT5) functions in concert with the methylosome protein 50 (MEP50) cofactor to catalyze symmetric dimethylation of key arginine resides in histones 3 and 4 which modifies the chromatin environment to alter tumor suppressor and oncogene expression and enhance cancer cell survival. Our studies show that PRMT5 or MEP50 loss reduces H4R3me2s formation and that this is associated with reduced cancer cell spheroid formation, invasion, and migration. Treatment with sulforaphane (SFN), a diet-derived anticancer agent, reduces PRMT5/MEP50 level and H4R3me2s formation and suppresses the cancer phenotype. We further show that SFN treatment reduces PRMT5 and MEP50 levels and that this reduction is required for SFN suppression of the cancer phenotype. SFN treatment also reduces tumor formation which is associated with reduced PRMT5/MEP50 expression and activity. These findings suggest that SFN may be a useful mesothelioma treatment agent that operates, at least in part, via suppression of PRMT5/MEP50 function.
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Affiliation(s)
- Geraldine Ezeka
- Department of Biochemistry and Molecular Biology, University of Maryland School of Medicine, Baltimore, Maryland, 21201
| | - Gautam Adhikary
- Department of Biochemistry and Molecular Biology, University of Maryland School of Medicine, Baltimore, Maryland, 21201
| | | | - Joseph S. Friedberg
- Department of Surgery, University of Maryland School of Medicine, Baltimore, Maryland, 21201
- Marlene and Stewart Greenebaum Comprehensive Cancer Center, University of Maryland School of Medicine, Baltimore, Maryland, 21201
| | - Richard L. Eckert
- Department of Biochemistry and Molecular Biology, University of Maryland School of Medicine, Baltimore, Maryland, 21201
- Department of Dermatology, University of Maryland School of Medicine, Baltimore, Maryland, 21201
- Marlene and Stewart Greenebaum Comprehensive Cancer Center, University of Maryland School of Medicine, Baltimore, Maryland, 21201
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8
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Mapping a Circular RNA-microRNA-mRNA-Signaling Regulatory Axis That Modulates Stemness Properties of Cancer Stem Cell Populations in Colorectal Cancer Spheroid Cells. Int J Mol Sci 2020; 21:ijms21217864. [PMID: 33114016 PMCID: PMC7672619 DOI: 10.3390/ijms21217864] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Revised: 10/19/2020] [Accepted: 10/20/2020] [Indexed: 02/08/2023] Open
Abstract
Spheroidal cancer cell cultures have been used to enrich cancer stem cells (CSC), which are thought to contribute to important clinical features of tumors. This study aimed to map the regulatory networks driven by circular RNAs (circRNAs) in CSC-enriched colorectal cancer (CRC) spheroid cells. The spheroid cells established from two CRC cell lines acquired stemness properties in pluripotency gene expression and multi-lineage differentiation capacity. Genome-wide sequencing identified 1503 and 636 circRNAs specific to the CRC parental and spheroid cells, respectively. In the CRC spheroids, algorithmic analyses unveiled a core network of mRNAs involved in modulating stemness-associated signaling pathways, driven by a circRNA–microRNA (miRNA)–mRNA axis. The two major circRNAs, hsa_circ_0066631 and hsa_circ_0082096, in this network were significantly up-regulated in expression levels in the spheroid cells. The two circRNAs were predicted to target and were experimentally shown to down-regulate miR-140-3p, miR-224, miR-382, miR-548c-3p and miR-579, confirming circRNA sponging of the targeted miRNAs. Furthermore, the affected miRNAs were demonstrated to inhibit degradation of six mRNA targets, viz. ACVR1C/ALK7, FZD3, IL6ST/GP130, SKIL/SNON, SMAD2 and WNT5, in the CRC spheroid cells. These mRNAs encode proteins that are reported to variously regulate the GP130/Stat, Activin/Nodal, TGF-β/SMAD or Wnt/β-catenin signaling pathways in controlling various aspects of CSC stemness. Using the CRC spheroid cell model, the novel circRNA–miRNA–mRNA axis mapped in this work forms the foundation for the elucidation of the molecular mechanisms of the complex cellular and biochemical processes that determine CSC stemness properties of cancer cells, and possibly for designing therapeutic strategies for CRC treatment by targeting CSC.
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9
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Kandasamy S, Adhikary G, Rorke EA, Friedberg JS, Mickle MB, Alexander HR, Eckert RL. The YAP1 Signaling Inhibitors, Verteporfin and CA3, Suppress the Mesothelioma Cancer Stem Cell Phenotype. Mol Cancer Res 2020; 18:343-351. [PMID: 31732616 PMCID: PMC7064165 DOI: 10.1158/1541-7786.mcr-19-0914] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2019] [Revised: 10/15/2019] [Accepted: 11/12/2019] [Indexed: 12/18/2022]
Abstract
Mesothelioma is an aggressive cancer that has a poor prognosis. Tumors develop in the mesothelial lining of the pleural and peritoneal cavities in response to asbestos exposure. Surgical debulking followed by chemotherapy is initially effective, but this treatment ultimately selects for resistant cells that form aggressive and therapy-resistant recurrent tumors. Mesothelioma cancer stem cells (MCS) are a highly aggressive subpopulation present in these tumors that are responsible for tumor maintenance and drug resistance. In this article, we examine the impact of targeting YAP1/TAZ/TEAD signaling in MCS cells. YAP1, TAZ, and TEADs are transcriptional mediators of the Hippo signaling cascade that activate gene expression to drive tumor formation. We show that two YAP1 signaling inhibitors, verteporfin and CA3, attenuate the MCS cell phenotype. Verteporfin or CA3 treatment reduces YAP1/TEAD level/activity to suppress MCS cell spheroid formation, Matrigel invasion, migration, and tumor formation. These agents also increase MCS cell apoptosis. Moreover, constitutively active YAP1 expression antagonizes inhibitor action, suggesting that loss of YAP1/TAZ/TEAD signaling is required for response to verteporfin and CA3. These agents are active against mesothelioma cells derived from peritoneal (epithelioid) and patient-derived pleural (sarcomatoid) mesothelioma, suggesting that targeting YAP1/TEAD signaling may be a useful treatment strategy. IMPLICATIONS: These studies suggest that inhibition of YAP1 signaling may be a viable approach to treating mesothelioma.
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Affiliation(s)
- Sivaveera Kandasamy
- Department of Surgery, University of Maryland School of Medicine, Baltimore, Maryland
| | - Gautam Adhikary
- Department of Biochemistry and Molecular Biology, University of Maryland School of Medicine, Baltimore, Maryland
| | - Ellen A Rorke
- Department of Microbiology and Immunology, University of Maryland School of Medicine, Baltimore, Maryland
| | - Joseph S Friedberg
- Department of Surgery, University of Maryland School of Medicine, Baltimore, Maryland
- Marlene and Stewart Greenebaum Comprehensive Cancer Center, University of Maryland School of Medicine, Baltimore, Maryland
| | - McKayla B Mickle
- Department of Biochemistry and Molecular Biology, University of Maryland School of Medicine, Baltimore, Maryland
| | - H Richard Alexander
- Department of Surgery, Rutgers Robert Wood Johnson Medical School, New Brunswick, New Jersey
| | - Richard L Eckert
- Department of Biochemistry and Molecular Biology, University of Maryland School of Medicine, Baltimore, Maryland.
- Marlene and Stewart Greenebaum Comprehensive Cancer Center, University of Maryland School of Medicine, Baltimore, Maryland
- Department of Dermatology, University of Maryland School of Medicine, Baltimore, Maryland
- Department of Reproductive Biology, University of Maryland School of Medicine, Baltimore, Maryland
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10
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Abstract
Malignant peritoneal mesothelioma (MPM) is a rare and lethal disease of the peritoneal lining, with high variability in biologic aggressiveness. Morbidity and mortality of the disease are related to progressive locoregional effects within the abdominal cavity, such as distention, pain, early satiety, and decreased oral intake that can ultimately lead to bowel obstruction and cachexia. The standard of care for patients with resectable disease remains cytoreductive surgery and hyperthermic intraperitoneal chemotherapy (CRS-HIPEC), with potential survival outcomes greater than 5 years in appropriately selected patients. Patients with inoperable MPM can be offered systemic treatment, although the disease is usually refractory to standard chemotherapic regimens. Patients with MPM should be treated at high volume centers with strong consideration for inclusion in tumor registries and clinical trials. In 2020, research will continue to explore promising genetic and immunologic targets and focus on refinement of surgical methods to optimize CRS-HIPEC approaches.
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11
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Chen J, Chen L, Du S, Wu J, Quan M, Yin H, Wu Y, Ye X, Liang X, Jiang H. High sensitive detection of circulating tumor cell by multimarker lipid magnetic nanoparticles and clinical verifications. J Nanobiotechnology 2019; 17:116. [PMID: 31767014 PMCID: PMC6876097 DOI: 10.1186/s12951-019-0548-1] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2019] [Accepted: 11/08/2019] [Indexed: 01/27/2023] Open
Abstract
Tumor cells with heterogeneity and diversity can express different markers. At present, positive separation of circulating tumor cells (CTC) taking EpCAM as the marker was used in most cases which could be one-sided, while this study successfully prepared four antibody-modified magnetic immunoliposomes (MIL) by using the self-assembled liposome with antibody derivatives. This study aims to explore the separation efficiency and clinical detection feasibility of single or combined use of MIL with multi-tumor markers on different tumors. Captured CTC were stained with CK-FITC, CD45-PE and DAPI, and fluorescence microscope was used for the observation, analysis and calculation. The result indicated that the CTC number positive rate in blood samples of four different magnetic balls on the same patient could be up to 87.5% in 32 patients with 14 different kinds tumors. While the effect of directly mixed separation by four kinds of magnetic balls was not satisfying. It suggested that the MIL of multi-tumor markers could be a powerful tool for CTC separation in application of tumor screening and prognosis.
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Affiliation(s)
- Jingde Chen
- Department of Oncology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China
| | - Lin Chen
- Department of Oncology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China
| | - Shibin Du
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, 200032, China
| | - Jing Wu
- Department of Oncology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China
| | - Ming Quan
- Department of Oncology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China
| | - Hua Yin
- Department of Gastrointestinal Surgery, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China
| | - Yin Wu
- Department of Oncology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China
| | - Xuanting Ye
- Seventh People's Hospital of Shanghai University of Traditional Chinese Medicine, 358 Datong Rd, Shanghai, 200137, People's Republic of China
| | - Xiaofei Liang
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, 200032, China.
| | - Hong Jiang
- Seventh People's Hospital of Shanghai University of Traditional Chinese Medicine, 358 Datong Rd, Shanghai, 200137, People's Republic of China. .,Department of Oncology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China.
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12
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Adhikary G, Grun D, Alexander HR, Friedberg JS, Xu W, Keillor JW, Kandasamy S, Eckert RL. Transglutaminase is a mesothelioma cancer stem cell survival protein that is required for tumor formation. Oncotarget 2018; 9:34495-34505. [PMID: 30349644 PMCID: PMC6195372 DOI: 10.18632/oncotarget.26130] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2018] [Accepted: 09/08/2018] [Indexed: 12/26/2022] Open
Abstract
Mesothelioma is a rare cancer of the mesothelial cell layer of the pleura, peritoneum, pericardium and tunica vaginalis. It is typically caused by asbestos, notoriously resistant to chemotherapy and generally considered incurable with a poor life expectancy. Transglutaminase 2 (TG2), a GTP binding regulatory protein, is an important cancer stem cell survival and therapy resistance factor. We show that TG2 is highly expressed in human mesothelioma tumors and in mesothelioma cancer stem cells (MCS cells). TG2 knockdown or TG2 inhibitor treatment reduces MCS cell spheroid formation, matrigel invasion, migration and tumor formation. Time to tumor first appearance is doubled in TG2 knockout cells as compared to wild-type. In addition, TG2 loss is associated with reduced expression of stemness, and epithelial mesenchymal transition markers, and enhanced apoptosis. These studies indicate that TG2 is an important MCS cell survival protein and suggest that TG2 may serve as a mesothelioma cancer stem cell therapy target.
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Affiliation(s)
- Gautam Adhikary
- 1 Departments of Biochemistry and Molecular Biology, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Daniel Grun
- 1 Departments of Biochemistry and Molecular Biology, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - H. Richard Alexander
- 7 Department of Surgery, Rutgers Robert Wood Johnson Medical School, New Brunswick, New Jersey, USA
| | - Joseph S. Friedberg
- 4 Greenebaum Comprehensive Cancer Center, University of Maryland School of Medicine, Baltimore, Maryland, USA,5 Department of Surgery and Division of General and Surgical Oncology, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Wen Xu
- 1 Departments of Biochemistry and Molecular Biology, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | | | - Sivaveera Kandasamy
- 5 Department of Surgery and Division of General and Surgical Oncology, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Richard L. Eckert
- 1 Departments of Biochemistry and Molecular Biology, University of Maryland School of Medicine, Baltimore, Maryland, USA,2 Department of Dermatology, University of Maryland School of Medicine, Baltimore, Maryland, USA,3 Department of Reproductive Biology, University of Maryland School of Medicine, Baltimore, Maryland, USA,4 Greenebaum Comprehensive Cancer Center, University of Maryland School of Medicine, Baltimore, Maryland, USA
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13
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Bozzi F, Brich S, Dagrada GP, Negri T, Conca E, Cortelazzi B, Belfiore A, Perrone F, Gualeni AV, Gloghini A, Cabras A, Brenca M, Maestro R, Zaffaroni N, Casali P, Bertulli R, Deraco M, Pilotti S. Epithelioid peritoneal mesothelioma: a hybrid phenotype within a mesenchymal-epithelial/epithelial-mesenchymal transition framework. Oncotarget 2018; 7:75503-75517. [PMID: 27705913 PMCID: PMC5342756 DOI: 10.18632/oncotarget.12262] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2016] [Accepted: 09/13/2016] [Indexed: 12/18/2022] Open
Abstract
The aim of this study was to reconsider the biological characteristics of epithelioid malignant peritoneal mesothelioma (E-MpM) in the light of new concepts about epithelial mesenchymal transition and mesenchymal epithelial reverse transition (EMT/MErT) and the role of epigenetic reprogramming in this context. To this end we profiled surgical specimens and derived cells cultures by a number of complementary approaches i.e. immunohistochemistry, immunofluorescence, in situ hybridization, biochemistry, pluripotent stem cell arrays, treatments with cytokines, growth factors and specific inhibitors.The analyses of the surgical specimens showed that i) EZH2 is expressed throughout the spectrum of MpM, ii) that E-MpM (including the high-grade undifferentiated form) are characterised by c-MYC and miRNA 17-5p expression, and iii) that progression to sarcomatoid MpM is dictated by EMT regulators. They also showed that E-MpM expressed c-MET and are enriched in E- and P-cadherins- and VEGFR2-expressing CSCs, thus strongly supporting a role for MErT reprogramming in endowing E-MpM tumour cells with stemness and plasticity, and hence with a drug resistant phenotype. The cell culture-based experiments confirmed the stemness traits and plasticity of E-MpM, and support the view that EZH2 is a druggable target in this tumor.
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Affiliation(s)
- Fabio Bozzi
- Laboratory of Experimental Molecular Pathology, Department of Pathology and Laboratory Medicine, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | - Silvia Brich
- Laboratory of Experimental Molecular Pathology, Department of Pathology and Laboratory Medicine, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy.,MOSE-DEA University of Trieste, Trieste, Italy
| | - Gian Paolo Dagrada
- Laboratory of Experimental Molecular Pathology, Department of Pathology and Laboratory Medicine, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | - Tiziana Negri
- Laboratory of Experimental Molecular Pathology, Department of Pathology and Laboratory Medicine, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | - Elena Conca
- Laboratory of Experimental Molecular Pathology, Department of Pathology and Laboratory Medicine, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | - Barbara Cortelazzi
- Laboratory of Experimental Molecular Pathology, Department of Pathology and Laboratory Medicine, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | - Antonino Belfiore
- Laboratory of Experimental Molecular Pathology, Department of Pathology and Laboratory Medicine, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | - Federica Perrone
- Department of Diagnostic Pathology and Laboratory Medicine, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | - Ambra Vittoria Gualeni
- Department of Diagnostic Pathology and Laboratory Medicine, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | - Annunziata Gloghini
- Department of Diagnostic Pathology and Laboratory Medicine, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | - Antonello Cabras
- Department of Diagnostic Pathology and Laboratory Medicine, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | - Monica Brenca
- Experimental Oncology 1, Centro di Riferimento Oncologico, CRO Aviano National Cancer Institute, Aviano, Italy
| | - Roberta Maestro
- Experimental Oncology 1, Centro di Riferimento Oncologico, CRO Aviano National Cancer Institute, Aviano, Italy
| | - Nadia Zaffaroni
- Molecular Pharmacology Unit, Department of Experimental Oncology and Molecular Medicine, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | - Paolo Casali
- Adult Mesenchymal Tumor Medical Oncology Unit, Department of Cancer Medicine, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | - Rossella Bertulli
- Adult Mesenchymal Tumor Medical Oncology Unit, Department of Cancer Medicine, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | - Marcello Deraco
- Department of Surgery, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | - Silvana Pilotti
- Laboratory of Experimental Molecular Pathology, Department of Pathology and Laboratory Medicine, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
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14
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Zhang W, Dai Y, Hsu P, Wang H, Cheng L, Yang Y, Wang Y, Xu Z, Liu S, Chan G, Hu B, Li H, Jablons DM, You L. Targeting YAP in malignant pleural mesothelioma. J Cell Mol Med 2017; 21:2663-2676. [PMID: 28470935 PMCID: PMC5661117 DOI: 10.1111/jcmm.13182] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2016] [Accepted: 03/04/2017] [Indexed: 12/28/2022] Open
Abstract
Malignant mesothelioma is an aggressive cancer that is resistant to current therapy. The poor prognosis of mesothelioma has been associated with elevated Yes-associated protein (YAP) activity. In this study, we evaluated the effect of targeting YAP in mesothelioma. First, we comprehensively studied YAP activity in five mesothelioma cell lines (211H, H2052, H290, MS-1 and H2452) and one normal mesothelial cell line (LP9). We found decreased phospho-YAP to YAP protein ratio and consistently increased GTIIC reporter activity in 211H, H2052 and H290 compared to LP9. The same three cell lines (IC50 s < 1 μM) were more sensitive than LP9 (IC50 = 3.5 μM) to the YAP/TEAD inhibitor verteporfin. We also found that verteporfin significantly reduced YAP protein level, mRNA levels of YAP downstream genes and GTIIC reporter activity in the same three cell lines, indicating inhibition of YAP signaling by verteporfin. Verteporfin also impaired invasion and tumoursphere formation ability of H2052 and H290. To validate the effect of specific targeting YAP in mesothelioma cells, we down-regulated YAP by siRNA. We found siYAP significantly decreased YAP transcriptional activity and impaired invasion and tumoursphere formation ability of H2052 and H290. Furthermore, forced overexpression of YAP rescued GTIIC reporter activity and cell viability after siYAP targeting 3'UTR of YAP. Finally, we found concurrent immunohistochemistry staining of ROCK2 and YAP (P < 0.05). Inhibition of ROCK2 decreased GTIIC reporter activity in H2052 and 211H suggesting that Rho/ROCK signaling also contributed to YAP activation in mesothelioma cells. Our results indicate that YAP may be a potential therapeutic target in mesothelioma.
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MESH Headings
- 3' Untranslated Regions
- Adaptor Proteins, Signal Transducing/antagonists & inhibitors
- Adaptor Proteins, Signal Transducing/genetics
- Adaptor Proteins, Signal Transducing/metabolism
- Antineoplastic Agents/pharmacology
- Cell Line, Tumor
- DNA-Binding Proteins/antagonists & inhibitors
- DNA-Binding Proteins/genetics
- DNA-Binding Proteins/metabolism
- Epithelial Cells/drug effects
- Epithelial Cells/metabolism
- Epithelial Cells/pathology
- Gene Expression Regulation, Neoplastic
- Genes, Reporter
- Humans
- Lung Neoplasms/genetics
- Lung Neoplasms/metabolism
- Lung Neoplasms/pathology
- Mesothelioma/genetics
- Mesothelioma/metabolism
- Mesothelioma/pathology
- Mesothelioma, Malignant
- Nuclear Proteins/antagonists & inhibitors
- Nuclear Proteins/genetics
- Nuclear Proteins/metabolism
- Phosphoproteins/antagonists & inhibitors
- Phosphoproteins/genetics
- Phosphoproteins/metabolism
- Phosphorylation
- Porphyrins/pharmacology
- Prognosis
- RNA, Messenger/antagonists & inhibitors
- RNA, Messenger/genetics
- RNA, Messenger/metabolism
- RNA, Small Interfering/genetics
- RNA, Small Interfering/metabolism
- Signal Transduction
- Spheroids, Cellular/drug effects
- Spheroids, Cellular/metabolism
- Spheroids, Cellular/pathology
- TEA Domain Transcription Factors
- Transcription Factors/antagonists & inhibitors
- Transcription Factors/genetics
- Transcription Factors/metabolism
- Verteporfin
- YAP-Signaling Proteins
- rho-Associated Kinases/genetics
- rho-Associated Kinases/metabolism
- rhoA GTP-Binding Protein/genetics
- rhoA GTP-Binding Protein/metabolism
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Affiliation(s)
- Wen‐Qian Zhang
- Thoracic Oncology LaboratoryDepartment of Surgery, Comprehensive Cancer CenterUniversity of CaliforniaSan FranciscoCAUSA
- Department of Thoracic SurgeryBeijing Chao‐Yang HospitalAffiliated with Capital University of Medical ScienceBeijingChina
| | - Yu‐Yuan Dai
- Thoracic Oncology LaboratoryDepartment of Surgery, Comprehensive Cancer CenterUniversity of CaliforniaSan FranciscoCAUSA
| | - Ping‐Chih Hsu
- Thoracic Oncology LaboratoryDepartment of Surgery, Comprehensive Cancer CenterUniversity of CaliforniaSan FranciscoCAUSA
- Department of Thoracic MedicineChang Gung Memorial HospitalLinkou, TaoyuanTaiwan
| | - Hui Wang
- Thoracic Oncology LaboratoryDepartment of Surgery, Comprehensive Cancer CenterUniversity of CaliforniaSan FranciscoCAUSA
- Department of RespirationThe Second Hospital of Shandong UniversityJinanChina
| | - Li Cheng
- Thoracic Oncology LaboratoryDepartment of Surgery, Comprehensive Cancer CenterUniversity of CaliforniaSan FranciscoCAUSA
- Department of GastroenterologyShanghai General HospitalShang Jiao Tong UniversityShanghaiChina
| | - Yi‐Lin Yang
- Thoracic Oncology LaboratoryDepartment of Surgery, Comprehensive Cancer CenterUniversity of CaliforniaSan FranciscoCAUSA
| | - Yu‐Cheng Wang
- Thoracic Oncology LaboratoryDepartment of Surgery, Comprehensive Cancer CenterUniversity of CaliforniaSan FranciscoCAUSA
| | - Zhi‐Dong Xu
- Thoracic Oncology LaboratoryDepartment of Surgery, Comprehensive Cancer CenterUniversity of CaliforniaSan FranciscoCAUSA
| | - Shu Liu
- Thoracic Oncology LaboratoryDepartment of Surgery, Comprehensive Cancer CenterUniversity of CaliforniaSan FranciscoCAUSA
| | - Geraldine Chan
- Thoracic Oncology LaboratoryDepartment of Surgery, Comprehensive Cancer CenterUniversity of CaliforniaSan FranciscoCAUSA
| | - Bin Hu
- Department of Thoracic SurgeryBeijing Chao‐Yang HospitalAffiliated with Capital University of Medical ScienceBeijingChina
| | - Hui Li
- Department of Thoracic SurgeryBeijing Chao‐Yang HospitalAffiliated with Capital University of Medical ScienceBeijingChina
| | - David M. Jablons
- Thoracic Oncology LaboratoryDepartment of Surgery, Comprehensive Cancer CenterUniversity of CaliforniaSan FranciscoCAUSA
| | - Liang You
- Thoracic Oncology LaboratoryDepartment of Surgery, Comprehensive Cancer CenterUniversity of CaliforniaSan FranciscoCAUSA
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15
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A Subset of Malignant Mesothelioma Tumors Retain Osteogenic Potential. Sci Rep 2016; 6:36349. [PMID: 27886205 PMCID: PMC5122867 DOI: 10.1038/srep36349] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2016] [Accepted: 10/13/2016] [Indexed: 01/16/2023] Open
Abstract
Malignant mesothelioma (MM) is an aggressive serosal tumor associated with asbestos exposure. We previously demonstrated that mesothelial cells differentiate into cells of different mesenchymal lineages and hypothesize that osseous tissue observed in a subset of MM patients is due to local differentiation of MM cells. In this study, the capacity of human and mouse MM cells to differentiate into osteoblast-like cells was determined in vitro using a functional model of bone nodule formation and in vivo using an established model of MM. Human and murine MM cell lines cultured in osteogenic medium expressed alkaline phosphatase and formed mineralized bone-like nodules. Several human and mouse MM cell lines also expressed a number of osteoblast phenotype markers, including runt-related transcription factor 2 (RUNX2), osteopontin, osteonectin and bone sialoprotein mRNA and protein. Histological analysis of murine MM tumors identified areas of ossification within the tumor, similar to those observed in human MM biopsies. These data demonstrate the ability of MM to differentiate into another mesenchymal cell type and suggest that MM cells may contribute to the formation of the heterologous elements observed in MM tumors.
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16
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Kinoh H, Miura Y, Chida T, Liu X, Mizuno K, Fukushima S, Morodomi Y, Nishiyama N, Cabral H, Kataoka K. Nanomedicines Eradicating Cancer Stem-like Cells in Vivo by pH-Triggered Intracellular Cooperative Action of Loaded Drugs. ACS NANO 2016; 10:5643-5655. [PMID: 27093466 DOI: 10.1021/acsnano.6b00900] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Nanomedicines capable of control over drug functions have potential for developing resilient therapies, even against tumors harboring recalcitrant cancer stem cells (CSCs). By coordinating drug interactions within the confined inner compartment of core-shell nanomedicines, we conceived multicomponent nanomedicines directed to achieve synchronized and synergistic drug cooperation within tumor cells as a strategy for enhancing efficacy, overcoming drug resistance, and eradicating CSCs. The approach was validated by using polymeric micellar nanomedicines co-incorporating the pan-kinase inhibitor staurosporine (STS), which was identified as the most potent CSC inhibitor from a panel of signaling-pathway inhibitors, and the cytotoxic agent epirubicin (Epi), through rationally contriving the affinity between the drugs. The micelles released both drugs simultaneously, triggered by acidic endosomal pH, attaining concurrent intracellular delivery, with STS working as a companion for Epi, down-regulating efflux transporters and resistance mechanisms induced by Epi. These features prompted the nanomedicines to eradicate orthotopic xenografts of Epi-resistant mesothelioma bearing a CSC subpopulation.
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Affiliation(s)
- Hiroaki Kinoh
- Innovation Center of NanoMedicine , 3-25-14 Tonomachi, Kawasaki-ku, Kawasaki 210-0821, Japan
| | - Yutaka Miura
- Center for Disease Biology and Integrative Medicine, Graduate School of Medicine, The University of Tokyo , 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Tsukasa Chida
- Center for Disease Biology and Integrative Medicine, Graduate School of Medicine, The University of Tokyo , 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Xueying Liu
- Center for Disease Biology and Integrative Medicine, Graduate School of Medicine, The University of Tokyo , 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Kazue Mizuno
- Center for Disease Biology and Integrative Medicine, Graduate School of Medicine, The University of Tokyo , 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Shigeto Fukushima
- Department of Materials Engineering, Graduate School of Engineering, The University of Tokyo , 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Yosuke Morodomi
- Department of Innovative Applied Oncology, Graduate School of Medical Sciences, Kyushu University , 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Nobuhiro Nishiyama
- Polymer Chemistry Division, Chemical Resources Laboratory, Tokyo Institute of Technology , R1-11, 4259 Nagatsuta, Midori-ku, Yokohama 226-8503, Japan
| | - Horacio Cabral
- Department of Bioengineering, Graduate School of Engineering, The University of Tokyo , 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Kazunori Kataoka
- Innovation Center of NanoMedicine , 3-25-14 Tonomachi, Kawasaki-ku, Kawasaki 210-0821, Japan
- Center for Disease Biology and Integrative Medicine, Graduate School of Medicine, The University of Tokyo , 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
- Department of Materials Engineering, Graduate School of Engineering, The University of Tokyo , 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
- Department of Bioengineering, Graduate School of Engineering, The University of Tokyo , 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
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17
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Wang H, Yang M, Lin L, Ren H, Lin C, Lin S, Shen G, Ji B, Meng C. HepG2 cells acquire stem cell-like characteristics after immune cell stimulation. Cell Oncol (Dordr) 2015; 39:35-45. [DOI: 10.1007/s13402-015-0249-1] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/09/2015] [Indexed: 01/06/2023] Open
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18
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Chew SH, Toyokuni S. Malignant mesothelioma as an oxidative stress-induced cancer: An update. Free Radic Biol Med 2015; 86:166-78. [PMID: 25975982 DOI: 10.1016/j.freeradbiomed.2015.05.002] [Citation(s) in RCA: 57] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/26/2014] [Revised: 04/10/2015] [Accepted: 05/01/2015] [Indexed: 10/23/2022]
Abstract
Malignant mesothelioma (MM) is a relatively rare cancer that occurs almost exclusively following respiratory exposure to asbestos in humans. Its pathogenesis is closely associated with iron overload and oxidative stress in mesothelial cells. On fiber exposure, mesothelial cells accumulate fibers simultaneously with iron, which either performs physical scissor function or catalyzes free radical generation, leading to oxidative DNA damage such as strand breaks and base modifications, followed by activation of intracellular signaling pathways. Chrysotile, per se without iron, causes massive hemolysis and further adsorbs hemoglobin. Exposure to indigestible foreign materials also induces chronic inflammation, involving consistent generation of free radicals and subsequent activation of NALP3 inflammasomes in macrophages. All of these contribute to mesothelial carcinogenesis. Genomic alterations most frequently involve homozygous deletion of INK4A/4B, and other pathways such as Hippo and TGF-β pathways are also affected in MM. Recently, analyses of familial MM sorted out BAP1 as a novel responsible tumor suppressor gene, whose function is not fully elucidated. Five-year survival of mesothelioma is still ~8%, and this cancer is increasing worldwide. Connective tissue growth factor, a secretory protein creating a vicious cycle mediated by β-catenin, has been recognized as a hopeful target for therapy, especially in sarcomatoid subtype. Recent research outcomes related to microRNAs and cancer stem cells also offer additional novel targets for the treatment of MM. Iron reduction as chemoprevention of mesothelioma is helpful at least in an animal preclinical study. Integrated approaches to fiber-induced oxidative stress would be necessary to overcome this currently fatal disease.
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Affiliation(s)
- Shan Hwu Chew
- Department of Pathology and Biological Responses, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya 466-8550, Japan
| | - Shinya Toyokuni
- Department of Pathology and Biological Responses, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya 466-8550, Japan.
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19
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Kolev VN, Wright QG, Vidal CM, Ring JE, Shapiro IM, Ricono J, Weaver DT, Padval MV, Pachter JA, Xu Q. PI3K/mTOR dual inhibitor VS-5584 preferentially targets cancer stem cells. Cancer Res 2014; 75:446-55. [PMID: 25432176 DOI: 10.1158/0008-5472.can-14-1223] [Citation(s) in RCA: 106] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Cancer stem cells (CSC) have been implicated in disease recurrence, metastasis, and therapeutic resistance, but effective targeting strategies for these cells are still wanting. VS-5584 is a potent and selective dual inhibitor of mTORC1/2 and class I PI 3-kinases. Here, we report that VS-5584 is up to 30-fold more potent in inhibiting the proliferation and survival of CSC compared with non-CSC in solid tumor cell populations. VS-5584 preferentially diminished CSC levels in multiple mouse xenograft models of human cancer, as evidenced by marked reduction of tumor-initiating capacity in limiting dilution assays. Likewise, VS-5584 treatment ex vivo preferentially reduced CSC in surgically resected breast and ovarian patient tumors. In contrast, chemotherapeutics such as paclitaxel and cisplatin were less effective in targeting CSC than bulk tumor cells. Mechanistic investigations revealed that preferential targeting of CSC required inhibition of multiple components of the PI3K-mTOR pathway: coordinate RNAi-mediated silencing of PI3Kα, PI3Kβ, and mTOR phenocopied the effect of VS-5584, exhibiting the strongest preferential targeting of CSC, while silencing of individual PI3K isoforms or mTOR failed to replicate the effect of VS-5584. Consistent with CSC ablation, VS-5584 delayed tumor regrowth following chemotherapy in xenograft models of small-cell lung cancer. Taken together, the preferential targeting of CSC prompts a new paradigm for clinical testing of VS-5584: clinical trials designed with CSC-directed endpoints may facilitate demonstration of the therapeutic benefit of VS-5584. We suggest that combining VS-5584 with classic chemotherapy that debulks tumors may engender a more effective strategy to achieve durable remissions in patients with cancer.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | - Qunli Xu
- Verastem Inc., Needham, Massachusetts.
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20
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Pine SR, Liu W. Asymmetric cell division and template DNA co-segregation in cancer stem cells. Front Oncol 2014; 4:226. [PMID: 25191642 PMCID: PMC4139651 DOI: 10.3389/fonc.2014.00226] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2014] [Accepted: 08/06/2014] [Indexed: 02/02/2023] Open
Abstract
During tissue homeostasis, normal stem cells self-renew and repopulate the diverse cell types found within the tissue via a series of carefully controlled symmetric and asymmetric cell divisions (ACDs). The notion that solid tumors comprise a subset of cancer stem cells (CSCs) with dysregulated self-renewal and excessive symmetric cell divisions has led to numerous studies aimed to elucidate the mechanisms regulating ACD under steady-state conditions, during stem-cell expansion and in cancer. In this perspective, we focus on a type of asymmetry that can be established during ACD, called non-random co-segregation of template DNA, which has been identified across numerous species, cell types, and cancers. We discuss the role of p53 loss in maintaining self-renewal in both normal and malignant cells. We then review our current knowledge of the mechanisms underlying co-segregation of template DNA strands and the stem-cell pathways associated with it in normal and CSCs.
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Affiliation(s)
- Sharon R Pine
- Department of Medicine, Robert Wood Johnson Medical School, Rutgers Cancer Institute of New Jersey, Rutgers, The State University of New Jersey , New Brunswick, NJ , USA
| | - Wenyu Liu
- Department of Medicine, Robert Wood Johnson Medical School, Rutgers Cancer Institute of New Jersey, Rutgers, The State University of New Jersey , New Brunswick, NJ , USA
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21
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Menges CW, Kadariya Y, Altomare D, Talarchek J, Neumann-Domer E, Wu Y, Xiao GH, Shapiro IM, Kolev VN, Pachter JA, Klein-Szanto AJ, Testa JR. Tumor suppressor alterations cooperate to drive aggressive mesotheliomas with enriched cancer stem cells via a p53-miR-34a-c-Met axis. Cancer Res 2013; 74:1261-1271. [PMID: 24371224 DOI: 10.1158/0008-5472.can-13-2062] [Citation(s) in RCA: 50] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Malignant mesothelioma is a highly aggressive, asbestos-related cancer frequently marked by mutations of both NF2 and CDKN2A. We demonstrate that germline knockout of one allele of each of these genes causes accelerated onset and progression of asbestos-induced malignant mesothelioma compared with asbestos-exposed Nf2(+/-) or wild-type mice. Ascites from some Nf2(+/-);Cdkn2a(+/-) mice exhibited large tumor spheroids, and tail vein injections of malignant mesothelioma cells established from these mice, but not from Nf2(+/-) or wild-type mice, produced numerous tumors in the lung, suggesting increased metastatic potential of tumor cells from Nf2(+/-);Cdkn2a(+/-) mice. Intraperitoneal injections of malignant mesothelioma cells derived from Nf2(+/-);Cdkn2a(+/-) mice into severe combined immunodeficient mice produced tumors that penetrated the diaphragm and pleural cavity and harbored increased cancer stem cells (CSC). Malignant mesothelioma cells from Nf2(+/-);Cdkn2a(+/-) mice stained positively for CSC markers and formed CSC spheroids in vitro more efficiently than counterparts from wild-type mice. Moreover, tumor cells from Nf2(+/-);Cdkn2a(+/-) mice showed elevated c-Met expression/activation, which was partly dependent on p53-mediated regulation of miR-34a and required for tumor migration/invasiveness and maintenance of the CSC population. Collectively, these studies demonstrate in vivo that inactivation of Nf2 and Cdkn2a cooperate to drive the development of highly aggressive malignant mesotheliomas characterized by enhanced tumor spreading capability and the presence of a CSC population associated with p53/miR-34a-dependent activation of c-Met. These findings suggest that cooperativity between losses of Nf2 and Cdkn2a plays a fundamental role in driving the highly aggressive tumorigenic phenotype considered to be a hallmark of malignant mesothelioma.
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Affiliation(s)
- Craig W Menges
- Cancer Biology Program, Fox Chase Cancer Center, Philadelphia, PA 19111
| | - Yuwaraj Kadariya
- Cancer Biology Program, Fox Chase Cancer Center, Philadelphia, PA 19111
| | - Deborah Altomare
- Burnett School of Biomedical Sciences, University of Central Florida, Orlando, FL 32827
| | | | | | - Yue Wu
- Cancer Biology Program, Fox Chase Cancer Center, Philadelphia, PA 19111.,Cancer Research Institute, Southern Medical University, Guangdong Province, PR China
| | - Guang-Hui Xiao
- Cancer Research Institute, Southern Medical University, Guangdong Province, PR China
| | | | | | | | | | - Joseph R Testa
- Cancer Biology Program, Fox Chase Cancer Center, Philadelphia, PA 19111
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22
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Liu W, Jeganathan G, Amiri S, Morgan KM, Ryan BM, Pine SR. Asymmetric segregation of template DNA strands in basal-like human breast cancer cell lines. Mol Cancer 2013; 12:139. [PMID: 24238140 PMCID: PMC3866575 DOI: 10.1186/1476-4598-12-139] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2013] [Accepted: 11/11/2013] [Indexed: 01/16/2023] Open
Abstract
BACKGROUND AND METHODS Stem or progenitor cells from healthy tissues have the capacity to co-segregate their template DNA strands during mitosis. Here, we set out to test whether breast cancer cell lines also possess the ability to asymmetrically segregate their template DNA strands via non-random chromosome co-segregation, and whether this ability correlates with certain properties attributed to breast cancer stem cells (CSCs). We quantified the frequency of asymmetric segregation of template DNA strands in 12 human breast cancer cell lines, and correlated the frequency to molecular subtype, CD44+/CD24-/lo phenotype, and invasion/migration ability. We tested if co-culture with human mesenchymal stem cells, which are known to increase self-renewal, can alter the frequency of asymmetric segregation of template DNA in breast cancer. RESULTS We found a positive correlation between asymmetric segregation of template DNA and the breast cancer basal-like and claudin-low subtypes. There was an inverse correlation between asymmetric segregation of template DNA and Her2 expression. Breast cancer samples with evidence of asymmetric segregation of template DNA had significantly increased invasion and borderline significantly increased migration abilities. Samples with high CD44+/CD24-/lo surface expression were more likely to harbor a consistent population of cells that asymmetrically segregated its template DNA; however, symmetric self-renewal was enriched in the CD44+/CD24-/lo population. Co-culturing breast cancer cells with human mesenchymal stem cells expanded the breast CSC pool and decreased the frequency of asymmetric segregation of template DNA. CONCLUSIONS Breast cancer cells within the basal-like subtype can asymmetrically segregate their template DNA strands through non-random chromosome segregation. The frequency of asymmetric segregation of template DNA can be modulated by external factors that influence expansion or self-renewal of CSC populations. Future studies to uncover the underlying mechanisms driving asymmetric segregation of template DNA and dictating cell fate at the time of cell division may explain how CSCs are maintained in tumors.
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Affiliation(s)
| | | | | | | | | | - Sharon R Pine
- Rutgers Cancer Institute of New Jersey, Rutgers, The State University of New Jersey, 195 Little Albany Street, New Brunswick, New Jersey, USA.
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Zhu YT, Lei CY, Luo Y, Liu N, He CW, Chen W, Li F, Deng YJ, Tan WL. A modified method for isolation of bladder cancer stem cells from a MB49 murine cell line. BMC Urol 2013; 13:57. [PMID: 24188098 PMCID: PMC3840686 DOI: 10.1186/1471-2490-13-57] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2013] [Accepted: 10/26/2013] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND The vaccine was efficiently effective against bladder cancer in earlier studies. However, a part of the mouse bladder tumour regrew due to regression after a period of time as the cancer stem cells could not be eliminated. In this study, we showed a modified method for the isolation of MB49 bladder cancer stem cells (MCSCs). METHODS Through a comparison of different serum-free culture mediums (SFM), MCSCs were isolated by a combination of the limited dilution method and the optimal SFM method. The characterizations of MCSCs were verified by the fluorescence activated cell sorting, the quantitative polymerase chain reaction, the western blotting, the cell proliferation assay, the soft agar assay, the transwell assay, the resistance to chemotherapy assay and the tumor xenograft formation assay. RESULTS The optimal SFM contained a RPMI1640+ epidermal growth factor (20 ng/ml), a basic fibroblast growth factor (20 ng/ml), a leukemia inhibitory factor (20 ng/ml), a B-27 serum-free supplement (20 μl/ml), and a bovine serum albumin (4 μg/ml). MCSCs possessed the high expression of cancer stem cell markers (CD133, CD44, OCT4, NANOG, and ABCG2) and the ability of differentiation. In functional comparisons, MCSCs had higher proliferative abilities, lower susceptibility to chemotherapy, greater migration in vitro, and stronger tumorigenic abilities in vivo. CONCLUSION MCSCs displayed specific cancer stem cells properties. Our study showed MCSCs were isolated successfully with a modified method using a combination of limited dilution and SFM methods.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Wan-long Tan
- Department of Urology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, P,R, China.
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Yasuda K, Torigoe T, Morita R, Kuroda T, Takahashi A, Matsuzaki J, Kochin V, Asanuma H, Hasegawa T, Saito T, Hirohashi Y, Sato N. Ovarian cancer stem cells are enriched in side population and aldehyde dehydrogenase bright overlapping population. PLoS One 2013; 8:e68187. [PMID: 23967051 PMCID: PMC3742724 DOI: 10.1371/journal.pone.0068187] [Citation(s) in RCA: 59] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2012] [Accepted: 05/28/2013] [Indexed: 12/18/2022] Open
Abstract
Cancer stem-like cells (CSCs)/cancer-initiaiting cells (CICs) are defined as a small population of cancer cells that have self-renewal capacity, differentiation potential and high tumor-initiating ability. CSCs/CICs of ovarian cancer have been isolated by side population (SP) analysis, ALDEFLUOR assay and using cell surface markers. However, these approaches are not definitive markers for CSCs/CICs, and it is necessary to refine recent methods for identifying more highly purified CSCs/CICs. In this study, we analyzed SP cells and aldehyde dehydrogenese bright (ALDHBr) cells from ovarian cancer cells. Both SP cells and ALDHBr cells exhibited higher tumor-initiating ability and higher expression level of a stem cell marker, sex determining region Y-box 2 (SOX2), than those of main population (MP) cells and ALDHLow cells, respectively. We analyzed an SP and ALDHBr overlapping population (SP/ALDHBr), and the SP/ALDHBr population exhibited higher tumor-initiating ability than that of SP cells or ALDHBr cells, enabling initiation of tumor with as few as 102 cells. Furthermore, SP/ADLHBr population showed higher sphere-forming ability, cisplatin resistance, adipocyte differentiation ability and expression of SOX2 than those of SP/ALDHLow, MP/ALDHBr and MP/ALDHLow cells. Gene knockdown of SOX2 suppressed the tumor-initiation of ovarian cancer cells. An SP/ALDHBr population was detected in several gynecological cancer cells with ratios of 0.1% for HEC—1 endometrioid adenocarcinoma cells to 1% for MCAS ovary mucinous adenocarcinoma cells. Taken together, use of the SP and ALDHBr overlapping population is a promising approach to isolate highly purified CSCs/CICs and SOX2 might be a novel functional marker for ovarian CSCs/CICs.
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Affiliation(s)
- Kazuyo Yasuda
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo, Japan
| | - Toshihiko Torigoe
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo, Japan
- * E-mail: (TT); (YH)
| | - Rena Morita
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo, Japan
| | - Takahumi Kuroda
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo, Japan
| | - Akari Takahashi
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo, Japan
| | - Junichi Matsuzaki
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo, Japan
| | - Vitaly Kochin
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo, Japan
| | - Hiroko Asanuma
- Department of Surgical Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo, Japan
| | - Tadashi Hasegawa
- Department of Surgical Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo, Japan
| | - Tsuyoshi Saito
- Department of Obstetrics and Gynecology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo, Japan
| | - Yoshihiko Hirohashi
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo, Japan
- * E-mail: (TT); (YH)
| | - Noriyuki Sato
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo, Japan
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