1
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Jahin I, Phillips T, Marcotti S, Gorey MA, Cox S, Parsons M. Extracellular matrix stiffness activates mechanosensitive signals but limits breast cancer cell spheroid proliferation and invasion. Front Cell Dev Biol 2023; 11:1292775. [PMID: 38125873 PMCID: PMC10731024 DOI: 10.3389/fcell.2023.1292775] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Accepted: 11/21/2023] [Indexed: 12/23/2023] Open
Abstract
Breast cancer is characterized by physical changes that occur in the tumor microenvironment throughout growth and metastasis of tumors. Extracellular matrix stiffness increases as tumors develop and spread, with stiffer environments thought to correlate with poorer disease prognosis. Changes in extracellular stiffness and other physical characteristics are sensed by integrins which integrate these extracellular cues to intracellular signaling, resulting in modulation of proliferation and invasion. However, the co-ordination of mechano-sensitive signaling with functional changes to groups of tumor cells within 3-dimensional environments remains poorly understood. Here we provide evidence that increasing the stiffness of collagen scaffolds results in increased activation of ERK1/2 and YAP in human breast cancer cell spheroids. We also show that ERK1/2 acts upstream of YAP activation in this context. We further demonstrate that YAP, matrix metalloproteinases and actomyosin contractility are required for collagen remodeling, proliferation and invasion in lower stiffness scaffolds. However, the increased activation of these proteins in higher stiffness 3-dimensional collagen gels is correlated with reduced proliferation and reduced invasion of cancer cell spheroids. Our data collectively provide evidence that higher stiffness 3-dimensional environments induce mechano-signaling but contrary to evidence from 2-dimensional studies, this is not sufficient to promote pro-tumorigenic effects in breast cancer cell spheroids.
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Affiliation(s)
| | | | | | | | | | - Maddy Parsons
- Randall Centre for Cell and Molecular Biophysics, King’s College London, London, United Kingdom
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2
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Malla R, Kundrapu DB, Bhamidipati P, Nagaraju GP, Muniraj N. Unleashing the Power of Yes-Associated Protein in Ferroptosis and Drug Resistance in Breast Cancer, with a Special Focus on Therapeutic Strategies. Cancers (Basel) 2023; 15:5728. [PMID: 38136274 PMCID: PMC10741587 DOI: 10.3390/cancers15245728] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 11/29/2023] [Accepted: 12/05/2023] [Indexed: 12/24/2023] Open
Abstract
The YAP protein is a critical oncogenic mediator within the Hippo signaling pathway and has been implicated in various cancer types. In breast cancer, it frequently becomes activated, thereby contributing to developing drug-resistance mechanisms. Recent studies have underscored the intricate interplay between YAP and ferroptosis within the breast tumor microenvironment. YAP exerts a negative regulatory effect on ferroptosis, promoting cancer cell survival and drug resistance. This review offers a concise summary of the current understanding surrounding the interplay between the YAP pathway, ferroptosis, and drug-resistance mechanisms in both bulk tumor cells and cancer stem cells. We also explore the potential of natural compounds alone or in combination with anticancer therapies for targeting the YAP pathway in treating drug-resistant breast cancer. This approach holds the promise of enhancing the effectiveness of current treatments and paving the way for developing novel therapeutics.
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Affiliation(s)
- RamaRao Malla
- Cancer Biology Laboratory, Department of Biochemistry and Bioinformatics, GITAM School of Science, GITAM (Deemed to be University), Visakhapatnam 530045, Andhra Pradesh, India; (D.B.K.); (P.B.)
| | - Durga Bhavani Kundrapu
- Cancer Biology Laboratory, Department of Biochemistry and Bioinformatics, GITAM School of Science, GITAM (Deemed to be University), Visakhapatnam 530045, Andhra Pradesh, India; (D.B.K.); (P.B.)
| | - Priyamvada Bhamidipati
- Cancer Biology Laboratory, Department of Biochemistry and Bioinformatics, GITAM School of Science, GITAM (Deemed to be University), Visakhapatnam 530045, Andhra Pradesh, India; (D.B.K.); (P.B.)
| | - Ganji Purnachandra Nagaraju
- Department of Hematology and Oncology, Heersink School of Medicine, University of Alabama, Birmingham, AL 35233, USA;
| | - Nethaji Muniraj
- Center for Cancer and Immunology Research, Children’s National Hospital, 111 Michigan Avenue NW, Washington, DC 20010, USA;
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3
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Cirillo N. The Hyaluronan/CD44 Axis: A Double-Edged Sword in Cancer. Int J Mol Sci 2023; 24:15812. [PMID: 37958796 PMCID: PMC10649834 DOI: 10.3390/ijms242115812] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2023] [Revised: 10/21/2023] [Accepted: 10/26/2023] [Indexed: 11/15/2023] Open
Abstract
Hyaluronic acid (HA) receptor CD44 is widely used for identifying cancer stem cells and its activation promotes stemness. Recent evidence shows that overexpression of CD44 is associated with poor prognosis in most human cancers and mediates therapy resistance. For these reasons, in recent years, CD44 has become a treatment target in precision oncology, often via HA-conjugated antineoplastic drugs. Importantly, HA molecules of different sizes have a dual effect and, therefore, may enhance or attenuate the CD44-mediated signaling pathways, as they compete with endogenous HA for binding to the receptors. The magnitude of these effects could be crucial for cancer progression, as well as for driving the inflammatory response in the tumor microenvironment. The increasingly common use of HA-conjugated drugs in oncology, as well as HA-based compounds as adjuvants in cancer treatment, adds further complexity to the understanding of the net effect of hyaluronan-CD44 activation in cancers. In this review, I focus on the significance of CD44 in malignancy and discuss the dichotomous function of the hyaluronan/CD44 axis in cancer progression.
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Affiliation(s)
- Nicola Cirillo
- Faculty of Medicine, Dentistry and Health Sciences, The University of Melbourne, 720 Swanston Street, Carlton, VIC 3053, Australia
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4
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Tarullo SE, He Y, Daughters C, Knutson TP, Henzler CM, Price MA, Shanley R, Witschen P, Tolg C, Kaspar RE, Hallstrom C, Gittsovich L, Sulciner ML, Zhang X, Forster CL, Lange CA, Shats O, Desler M, Cowan KH, Yee D, Schwertfeger KL, Turley EA, McCarthy JB, Nelson AC. Receptor for hyaluronan-mediated motility (RHAMM) defines an invasive niche associated with tumor progression and predicts poor outcomes in breast cancer patients. J Pathol 2023; 260:289-303. [PMID: 37186300 PMCID: PMC10417882 DOI: 10.1002/path.6082] [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: 10/04/2022] [Revised: 02/13/2023] [Accepted: 03/23/2023] [Indexed: 05/17/2023]
Abstract
Breast cancer invasion and metastasis result from a complex interplay between tumor cells and the tumor microenvironment (TME). Key oncogenic changes in the TME include aberrant synthesis, processing, and signaling of hyaluronan (HA). Hyaluronan-mediated motility receptor (RHAMM, CD168; HMMR) is an HA receptor enabling tumor cells to sense and respond to this aberrant TME during breast cancer progression. Previous studies have associated RHAMM expression with breast tumor progression; however, cause and effect mechanisms are incompletely established. Focused gene expression analysis of an internal breast cancer patient cohort confirmed that increased RHAMM expression correlates with aggressive clinicopathological features. To probe mechanisms, we developed a novel 27-gene RHAMM-related signature (RRS) by intersecting differentially expressed genes in lymph node (LN)-positive patient cases with the transcriptome of a RHAMM-dependent model of cell transformation, which we validated in an independent cohort. We demonstrate that the RRS predicts for poor survival and is enriched for cell cycle and TME-interaction pathways. Further analyses using CRISPR/Cas9-generated RHAMM-/- breast cancer cells provided direct evidence that RHAMM promotes invasion in vitro and in vivo. Immunohistochemistry studies highlighted heterogeneous RHAMM protein expression, and spatial transcriptomics associated the RRS with RHAMM-high microanatomic foci. We conclude that RHAMM upregulation leads to the formation of 'invasive niches', which are enriched in RRS-related pathways that drive invasion and could be targeted to limit invasive progression and improve patient outcomes. © 2023 The Authors. The Journal of Pathology published by John Wiley & Sons Ltd on behalf of The Pathological Society of Great Britain and Ireland.
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Affiliation(s)
- Sarah E Tarullo
- Department of Laboratory Medicine and Pathology, University of Minnesota, Minneapolis, MN, USA
- Masonic Cancer Center, University of Minnesota, Minneapolis, MN, USA
| | - Yuyu He
- Department of Laboratory Medicine and Pathology, University of Minnesota, Minneapolis, MN, USA
- Masonic Cancer Center, University of Minnesota, Minneapolis, MN, USA
| | - Claire Daughters
- Department of Laboratory Medicine and Pathology, University of Minnesota, Minneapolis, MN, USA
- Masonic Cancer Center, University of Minnesota, Minneapolis, MN, USA
| | - Todd P Knutson
- Department of Laboratory Medicine and Pathology, University of Minnesota, Minneapolis, MN, USA
- Minnesota Supercomputing Institute, University of Minnesota, Minneapolis, MN, USA
| | - Christine M Henzler
- Department of Laboratory Medicine and Pathology, University of Minnesota, Minneapolis, MN, USA
- Minnesota Supercomputing Institute, University of Minnesota, Minneapolis, MN, USA
| | - Matthew A Price
- Department of Laboratory Medicine and Pathology, University of Minnesota, Minneapolis, MN, USA
- Masonic Cancer Center, University of Minnesota, Minneapolis, MN, USA
| | - Ryan Shanley
- Masonic Cancer Center, University of Minnesota, Minneapolis, MN, USA
| | - Patrice Witschen
- Department of Laboratory Medicine and Pathology, University of Minnesota, Minneapolis, MN, USA
- Masonic Cancer Center, University of Minnesota, Minneapolis, MN, USA
| | - Cornelia Tolg
- London Health Sciences Center, Western University, Ontario, Canada
| | - Rachael E Kaspar
- Department of Laboratory Medicine and Pathology, University of Minnesota, Minneapolis, MN, USA
- Masonic Cancer Center, University of Minnesota, Minneapolis, MN, USA
| | - Caroline Hallstrom
- Department of Laboratory Medicine and Pathology, University of Minnesota, Minneapolis, MN, USA
| | - Lyubov Gittsovich
- Masonic Cancer Center, University of Minnesota, Minneapolis, MN, USA
| | - Megan L Sulciner
- School of Medicine, University of Minnesota, Minneapolis, MN, USA
| | - Xihong Zhang
- Masonic Cancer Center, University of Minnesota, Minneapolis, MN, USA
- Department of Medicine, University of Minnesota, Minneapolis, MN, USA
| | - Colleen L Forster
- Clinical and Translational Science Institute, University of Minnesota, Minneapolis, MN, USA
| | - Carol A Lange
- Masonic Cancer Center, University of Minnesota, Minneapolis, MN, USA
- Department of Medicine, University of Minnesota, Minneapolis, MN, USA
| | - Oleg Shats
- Eppley Institute for Research in Cancer, University of Nebraska Medical Center, Omaha, NE, USA
| | - Michelle Desler
- Eppley Institute for Research in Cancer, University of Nebraska Medical Center, Omaha, NE, USA
| | - Kenneth H Cowan
- Eppley Institute for Research in Cancer, University of Nebraska Medical Center, Omaha, NE, USA
| | - Douglas Yee
- Masonic Cancer Center, University of Minnesota, Minneapolis, MN, USA
- Department of Medicine, University of Minnesota, Minneapolis, MN, USA
| | - Kathryn L Schwertfeger
- Department of Laboratory Medicine and Pathology, University of Minnesota, Minneapolis, MN, USA
- Masonic Cancer Center, University of Minnesota, Minneapolis, MN, USA
| | - Eva A Turley
- London Health Sciences Center, Western University, Ontario, Canada
| | - James B McCarthy
- Department of Laboratory Medicine and Pathology, University of Minnesota, Minneapolis, MN, USA
- Masonic Cancer Center, University of Minnesota, Minneapolis, MN, USA
| | - Andrew C Nelson
- Department of Laboratory Medicine and Pathology, University of Minnesota, Minneapolis, MN, USA
- Masonic Cancer Center, University of Minnesota, Minneapolis, MN, USA
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5
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Gerardo-Ramírez M, Giam V, Becker D, Groth M, Hartmann N, Morrison H, May-Simera HL, Radsak MP, Marquardt JU, Galle PR, Herrlich P, Straub BK, Hartmann M. Deletion of Cd44 Inhibits Metastasis Formation of Liver Cancer in Nf2-Mutant Mice. Cells 2023; 12:cells12091257. [PMID: 37174657 PMCID: PMC10177437 DOI: 10.3390/cells12091257] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Revised: 04/20/2023] [Accepted: 04/21/2023] [Indexed: 05/15/2023] Open
Abstract
Primary liver cancer is the third leading cause of cancer-related death worldwide. An increasing body of evidence suggests that the Hippo tumor suppressor pathway plays a critical role in restricting cell proliferation and determining cell fate during physiological and pathological processes in the liver. Merlin (Moesin-Ezrin-Radixin-like protein) encoded by the NF2 (neurofibromatosis type 2) gene is an upstream regulator of the Hippo signaling pathway. Targeting of Merlin to the plasma membrane seems to be crucial for its major tumor-suppressive functions; this is facilitated by interactions with membrane-associated proteins, including CD44 (cluster of differentiation 44). Mutations within the CD44-binding domain of Merlin have been reported in many human cancers. This study evaluated the relative contribution of CD44- and Merlin-dependent processes to the development and progression of liver tumors. To this end, mice with a liver-specific deletion of the Nf2 gene were crossed with Cd44-knockout mice and subjected to extensive histological, biochemical and molecular analyses. In addition, cells were isolated from mutant livers and analyzed by in vitro assays. Deletion of Nf2 in the liver led to substantial liver enlargement and generation of hepatocellular carcinomas (HCCs), intrahepatic cholangiocarcinomas (iCCAs), as well as mixed hepatocellular cholangiocarcinomas. Whilst deletion of Cd44 had no influence on liver size or primary liver tumor development, it significantly inhibited metastasis formation in Nf2-mutant mice. CD44 upregulates expression of integrin β2 and promotes transendothelial migration of liver cancer cells, which may facilitate metastatic spreading. Overall, our results suggest that CD44 may be a promising target for intervening with metastatic spreading of liver cancer.
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Affiliation(s)
- Monserrat Gerardo-Ramírez
- Department of Medicine I, University Medical Center of the Johannes Gutenberg University, 55131 Mainz, Germany
| | - Vanessa Giam
- Department of Medicine I, University Medical Center of the Johannes Gutenberg University, 55131 Mainz, Germany
| | - Diana Becker
- Department of Medicine I, University Medical Center of the Johannes Gutenberg University, 55131 Mainz, Germany
| | - Marco Groth
- Leibniz Institute on Aging-Fritz Lipmann Institute (FLI), 07745 Jena, Germany
| | - Nils Hartmann
- Institute of Pathology, University Medical Center of the Johannes Gutenberg University, 55131 Mainz, Germany
| | - Helen Morrison
- Leibniz Institute on Aging-Fritz Lipmann Institute (FLI), 07745 Jena, Germany
- Faculty of Biological Sciences, Friedrich-Schiller University, 07745 Jena, Germany
| | - Helen L May-Simera
- Cilia Cell Biology, Institute of Molecular Physiology, Johannes Gutenberg University, 55128 Mainz, Germany
| | - Markus P Radsak
- Department of Medicine III, University Medical Center of the Johannes Gutenberg University, 55131 Mainz, Germany
| | - Jens U Marquardt
- Department of Medicine I, University Medical Center Schleswig-Holstein, Campus Lübeck, 23558 Lübeck, Germany
| | - Peter R Galle
- Department of Medicine I, University Medical Center of the Johannes Gutenberg University, 55131 Mainz, Germany
| | - Peter Herrlich
- Leibniz Institute on Aging-Fritz Lipmann Institute (FLI), 07745 Jena, Germany
| | - Beate K Straub
- Institute of Pathology, University Medical Center of the Johannes Gutenberg University, 55131 Mainz, Germany
| | - Monika Hartmann
- Department of Medicine I, University Medical Center of the Johannes Gutenberg University, 55131 Mainz, Germany
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6
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Mafi A, Rezaee M, Hedayati N, Hogan SD, Reiter RJ, Aarabi MH, Asemi Z. Melatonin and 5-fluorouracil combination chemotherapy: opportunities and efficacy in cancer therapy. Cell Commun Signal 2023; 21:33. [PMID: 36759799 PMCID: PMC9912526 DOI: 10.1186/s12964-023-01047-x] [Citation(s) in RCA: 18] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Accepted: 01/14/2023] [Indexed: 02/11/2023] Open
Abstract
Combined chemotherapy is a treatment method based on the simultaneous use of two or more therapeutic agents; it is frequently necessary to produce a more effective treatment for cancer patients. Such combined treatments often improve the outcomes over that of the monotherapy approach, as the drugs synergistically target critical cell signaling pathways or work independently at different oncostatic sites. A better prognosis has been reported in patients treated with combination therapy than in patients treated with single drug chemotherapy. In recent decades, 5-fluorouracil (5-FU) has become one of the most widely used chemotherapy agents in cancer treatment. This medication, which is soluble in water, is used as the first line of anti-neoplastic agent in the treatment of several cancer types including breast, head and neck, stomach and colon cancer. Within the last three decades, many studies have investigated melatonin as an anti-cancer agent; this molecule exhibits various functions in controlling the behavior of cancer cells, such as inhibiting cell growth, inducing apoptosis, and inhibiting invasion. The aim of this review is to comprehensively evaluate the role of melatonin as a complementary agent with 5-FU-based chemotherapy for cancers. Additionally, we identify the potential common signaling pathways by which melatonin and 5-FU interact to enhance the efficacy of the combined therapy. Video abstract.
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Affiliation(s)
- Alireza Mafi
- grid.411036.10000 0001 1498 685XDepartment of Clinical Biochemistry, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, Islamic Republic of Iran
| | - Malihe Rezaee
- grid.411600.2School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Islamic Republic of Iran ,grid.411705.60000 0001 0166 0922Tehran Heart Center, Cardiovascular Diseases Research Institute, Tehran University of Medical Sciences, Tehran, Islamic Republic of Iran
| | - Neda Hedayati
- grid.411746.10000 0004 4911 7066School of Medicine, Iran University of Medical Science, Tehran, Islamic Republic of Iran
| | - Sara Diana Hogan
- grid.8993.b0000 0004 1936 9457Department of Public Health and Caring Sciences, Uppsala University, Uppsala, Sweden
| | - Russel J. Reiter
- grid.43582.380000 0000 9852 649XDepartment of Cell Systems and Anatomy, UT Health. Long School of Medicine, San Antonio, TX USA
| | - Mohammad-Hossein Aarabi
- Department of Clinical Biochemistry, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, Islamic Republic of Iran.
| | - Zatollah Asemi
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Islamic Republic of Iran.
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7
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Chen X, Adhikary G, Ma E, Newland JJ, Naselsky W, Xu W, Eckert RL. Sulforaphane inhibits CD44v6/YAP1/TEAD signaling to suppress the cancer phenotype. Mol Carcinog 2023; 62:236-248. [PMID: 36285644 PMCID: PMC9851963 DOI: 10.1002/mc.23479] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Revised: 10/06/2022] [Accepted: 10/07/2022] [Indexed: 01/25/2023]
Abstract
Sulforaphane (SFN) is a promising cancer prevention and treatment agent that strongly suppresses the cutaneous squamous cell carcinoma (CSCC) cell cancer phenotype. We previously showed that yes-associated protein 1 (YAP1)/TEAD signaling is a key procancer stimulator of the aggressive CSCC cell cancer phenotype. However, SFN-responsive upstream regulators of YAP1/TEAD signaling are not well characterized and so there is a pressing need to identify these factors. We show that CD44v6 knockdown reduces YAP1/TEAD-dependent transcription and target gene expression, and that this is associated with reduced spheroid formation, invasion and migration. CD44v6 knockout cell lines also display reduced YAP1/TEAD activity and target gene expression and attenuated spheroid formation, invasion, migration and tumor formation. An important finding is that SFN treatment suppresses CD44v6 level leading to a reduction in YAP1/TEAD signaling and marker gene expression. Sox2 level and epithelial-mesenchymal transition (EMT) are also reduced. Forced expression of constitutive active YAP1 in CD44v6 knockdown cells partially restores the aggressive cancer phenotype. These important findings suggest that CD44v6 drives YAP1/TEAD signaling to enhance the CSCC cell cancer phenotype and that SFN treatment reduces CD44v6 level/function which, in turn, reduces YAP1/TEAD signaling leading to reduced stemness, EMT and tumor growth.
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Affiliation(s)
- Xi Chen
- Department of Biochemistry and Molecular Biology, University of Maryland School of Medicine, Baltimore, Maryland
| | - Gautam Adhikary
- Department of Biochemistry and Molecular Biology, University of Maryland School of Medicine, Baltimore, Maryland
| | - Emily Ma
- Department of Biochemistry and Molecular Biology, University of Maryland School of Medicine, Baltimore, Maryland
| | - John J. Newland
- Department of Surgery Division of Thoracic Oncology, University of Maryland School of Medicine, Baltimore, Maryland
| | - Warren Naselsky
- Department of Surgery Division of Thoracic Oncology, University of Maryland School of Medicine, Baltimore, Maryland
| | - Wen Xu
- Department of Biochemistry and Molecular Biology, 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
- Marlene and Stewart Greenebaum Comprehensive Cancer Center, University of Maryland School of Medicine, Baltimore, Maryland
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8
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Genetic Alterations and Deregulation of Hippo Pathway as a Pathogenetic Mechanism in Bone and Soft Tissue Sarcoma. Cancers (Basel) 2022; 14:cancers14246211. [PMID: 36551696 PMCID: PMC9776600 DOI: 10.3390/cancers14246211] [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: 11/18/2022] [Revised: 12/13/2022] [Accepted: 12/13/2022] [Indexed: 12/23/2022] Open
Abstract
The Hippo pathway is an evolutionarily conserved modulator of developmental biology with a key role in tissue and organ size regulation under homeostatic conditions. Like other signaling pathways with a significant role in embryonic development, the deregulation of Hippo signaling contributes to oncogenesis. Central to the Hippo pathway is a conserved cascade of adaptor proteins and inhibitory kinases that converge and regulate the activity of the oncoproteins YAP and TAZ, the final transducers of the pathway. Elevated levels and aberrant activation of YAP and TAZ have been described in many cancers. Though most of the studies describe their pervasive activation in epithelial neoplasms, there is increasing evidence pointing out its relevance in mesenchymal malignancies as well. Interestingly, somatic or germline mutations in genes of the Hippo pathway are scarce compared to other signaling pathways that are frequently disrupted in cancer. However, in the case of sarcomas, several examples of genetic alteration of Hippo members, including gene fusions, have been described during the last few years. Here, we review the current knowledge of Hippo pathway implication in sarcoma, describing mechanistic hints recently reported in specific histological entities and how these alterations represent an opportunity for targeted therapy in this heterogeneous group of neoplasm.
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The Effect of Yes-Associated Protein on the Interaction Between the MEK/Extracellular Signal-Regulated Kinase and Hippo Pathways in Osteoblasts Co-Cultured With Fibroblast Growth Factor Receptor 2-Mutated Dura Cells. J Craniofac Surg 2022; 33:1250-1254. [DOI: 10.1097/scs.0000000000008115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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10
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Yuan SSF, Hung AC, Hsu CW, Lan TH, Su CW, Chi TC, Chang YC, Chen YK, Wang YY. CD44 Mediates Oral Squamous Cell Carcinoma-Promoting Activity of MRE11 via AKT Signaling. J Pers Med 2022; 12:841. [PMID: 35629265 PMCID: PMC9144890 DOI: 10.3390/jpm12050841] [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] [Received: 04/10/2022] [Revised: 05/19/2022] [Accepted: 05/19/2022] [Indexed: 12/03/2022] Open
Abstract
Oral cancer is one of the highest-incidence malignancies worldwide, with the occurrence of oral squamous cell carcinoma (OSCC) being the most frequently diagnosed form. A barrier for oral cancer management may arise from tumor cells that possess properties of cancer stemness, which has been recognized as a crucial factor in tumor recurrence and metastasis. As such, understanding the molecular mechanisms underlying these tumor cells may provide insights for improving cancer treatment. MRE11 is the core protein of the RAD50/MRE11/NBS1 complex with a primary role in DNA damage repair, and it has been diversely associated with tumor development including OSCC. In this study, we aimed to investigate the engagement of CD44, a cancer stemness marker functioning in the control of cell growth and motility, in OSCC malignancy under the influence of MRE11. We found that overexpression of MRE11 enhanced CD44 expression and tumorsphere formation in OSCC cells, whereas knockdown of MRE11 reduced these phenomena. In addition, the MRE11-promoted tumorsphere formation or cell migration ability was compromised in OSCC cells carrying siRNA that targets CD44, as was the MRE11-promoted AKT phosphorylation. These were further supported by analyzing clinical samples, where higher CD44 expression was associated with lymph node metastasis. Additionally, a positive correlation between the expression of MRE11 and CD44, or that of CD44 and phosphorylated AKT, was observed in OSCC tumor tissues. Finally, the expression of CD44 was found to be higher in the metastatic lung nodules from mice receiving tail vein-injection with MRE11-overexpressing OSCC cells compared with control mice, and a positive correlation between CD44 and phosphorylated AKT was also observed in these metastatic lung nodules. Altogether, our current study revealed a previously unidentified mechanism linking CD44 and AKT in MRE11-promoted OSCC malignancy, which may shed light to the development of novel therapeutic strategies in consideration of this new pathway in OSCC.
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Affiliation(s)
- Shyng-Shiou F. Yuan
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan; (S.-S.F.Y.); (A.C.H.); (T.-C.C.)
- Translational Research Center, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan
- Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan
- Center for Cancer Research, Kaohsiung Medical University, Kaohsiung 807, Taiwan; (C.-W.H.); (C.-W.S.); (Y.-K.C.)
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan
| | - Amos C. Hung
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan; (S.-S.F.Y.); (A.C.H.); (T.-C.C.)
| | - Ching-Wei Hsu
- Center for Cancer Research, Kaohsiung Medical University, Kaohsiung 807, Taiwan; (C.-W.H.); (C.-W.S.); (Y.-K.C.)
- School of Dentistry, College of Dental Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan;
- Division of Oral and Maxillofacial Surgery, Department of Dentistry, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan
| | - Ting-Hsun Lan
- School of Dentistry, College of Dental Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan;
- Division of Prosthodontics, Department of Dentistry, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan
| | - Chang-Wei Su
- Center for Cancer Research, Kaohsiung Medical University, Kaohsiung 807, Taiwan; (C.-W.H.); (C.-W.S.); (Y.-K.C.)
- School of Dentistry, College of Dental Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan;
- Division of Oral and Maxillofacial Surgery, Department of Dentistry, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan
| | - Tsung-Chen Chi
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan; (S.-S.F.Y.); (A.C.H.); (T.-C.C.)
| | - Yu-Chiuan Chang
- Institute of Biomedical Sciences, National Sun Yat-Sen University, Kaohsiung 804, Taiwan;
| | - Yuk-Kwan Chen
- Center for Cancer Research, Kaohsiung Medical University, Kaohsiung 807, Taiwan; (C.-W.H.); (C.-W.S.); (Y.-K.C.)
- School of Dentistry, College of Dental Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan;
- Department of Dentistry, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan
- Oral and Maxillofacial Imaging Center, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Yen-Yun Wang
- Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan
- Center for Cancer Research, Kaohsiung Medical University, Kaohsiung 807, Taiwan; (C.-W.H.); (C.-W.S.); (Y.-K.C.)
- School of Dentistry, College of Dental Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan;
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11
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Haryono A, Ikeda K, Nugroho DB, Ogata T, Tsuji Y, Matoba S, Moriwaki K, Kitagawa H, Igarashi M, Hirata KI, Emoto N. ChGn-2 Plays a Cardioprotective Role in Heart Failure Caused by Acute Pressure Overload. J Am Heart Assoc 2022; 11:e023401. [PMID: 35322673 PMCID: PMC9075488 DOI: 10.1161/jaha.121.023401] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Background Cardiac extracellular matrix is critically involved in cardiac homeostasis, and accumulation of chondroitin sulfate glycosaminoglycans (CS-GAGs) was previously shown to exacerbate heart failure by augmenting inflammation and fibrosis at the chronic phase. However, the mechanism by which CS-GAGs affect cardiac functions remains unclear, especially at the acute phase. Methods and Results We explored a role of CS-GAG in heart failure using mice with target deletion of ChGn-2 (chondroitin sulfate N-acetylgalactosaminyltransferase-2) that elongates CS chains of glycosaminoglycans. Heart failure was induced by transverse aortic constriction in mice. The role of CS-GAG derived from cardiac fibroblasts in cardiomyocyte death was analyzed. Cardiac fibroblasts were subjected to cyclic mechanical stretch that mimics increased workload in the heart. Significant CS-GAGs accumulation was detected in the heart of wild-type mice after transverse aortic constriction, which was substantially reduced in ChGn-2-/- mice. Loss of ChGn-2 deteriorated the cardiac dysfunction caused by pressure overload, accompanied by augmented cardiac hypertrophy and increased cardiomyocyte apoptosis. Cyclic mechanical stretch increased ChGn-2 expression and enhanced glycosaminoglycan production in cardiac fibroblasts. Conditioned medium derived from the stretched cardiac fibroblasts showed cardioprotective effects, which was abolished by CS-GAGs degradation. We found that CS-GAGs elicits cardioprotective effects via dual pathway; direct pathway through interaction with CD44, and indirect pathway through binding to and activating insulin-like growth factor-1. Conclusions Our data revealed the cardioprotective effects of CS-GAGs; therefore, CS-GAGs may play biphasic role in the development of heart failure; cardioprotective role at acute phase despite its possible unfavorable role in the advanced phase.
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Affiliation(s)
- Andreas Haryono
- Division of Cardiovascular Medicine Department of Internal Medicine Kobe University Graduate School of Medicine Kobe Japan.,Laboratory of Clinical Pharmaceutical Science Kobe Pharmaceutical University Kobe Japan
| | - Koji Ikeda
- Laboratory of Clinical Pharmaceutical Science Kobe Pharmaceutical University Kobe Japan.,Department of Epidemiology for Longevity and Regional Health Kyoto Prefectural University of Medicine Kyoto Japan.,Department of Cardiology Kyoto Prefectural University of Medicine Kyoto Japan
| | - Dhite Bayu Nugroho
- Department of Internal Medicine Faculty of Medicine, Public Health, and Nursing Gadjah Mada University Indonesia
| | - Takehiro Ogata
- Department of Pathology and Cell Regulation Kyoto Prefectural University of Medicine Kyoto Japan
| | - Yumika Tsuji
- Department of Cardiology Kyoto Prefectural University of Medicine Kyoto Japan
| | - Satoaki Matoba
- Department of Cardiology Kyoto Prefectural University of Medicine Kyoto Japan
| | - Kensuke Moriwaki
- Comprehensive Unit for Health Economic Evidence Review and Decision Support (CHEERS) Research Organization of Science and TechnologyRitsumeikan University Kyoto Japan
| | - Hiroshi Kitagawa
- Laboratory of Biochemistry Kobe Pharmaceutical University Kobe Japan
| | - Michihiro Igarashi
- Department of Neurochemistry and Molecular Cell Biology Graduate School of Medical and Dental Sciences and Trans-disciplinary Program Niigata University Niigata Japan
| | - Ken-Ichi Hirata
- Division of Cardiovascular Medicine Department of Internal Medicine Kobe University Graduate School of Medicine Kobe Japan
| | - Noriaki Emoto
- Division of Cardiovascular Medicine Department of Internal Medicine Kobe University Graduate School of Medicine Kobe Japan.,Laboratory of Clinical Pharmaceutical Science Kobe Pharmaceutical University Kobe Japan
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12
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Zhang T, Zhou H, Wang K, Wang X, Wang M, Zhao W, Xi X, Li Y, Cai M, Zhao W, Xu Y, Shao R. Role, molecular mechanism and the potential target of breast cancer stem cells in breast cancer development. Biomed Pharmacother 2022; 147:112616. [PMID: 35008001 DOI: 10.1016/j.biopha.2022.112616] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 01/01/2022] [Accepted: 01/02/2022] [Indexed: 02/06/2023] Open
Abstract
Breast cancer (BC) is one of the most common malignant tumors in women globally, and its occurrence has surpassed lung cancer and become the biggest threat for women. At present, breast cancer treatment includes surgical resection or postoperative chemotherapy and radiotherapy. However, tumor relapse and metastasis usually lead to current therapy failure thanks to breast cancer stem cells (BCSCs)-mediated tumorigenicity and drug resistance. Drug resistance is mainly due to the long-term quiescent G0 phase, strong DNA repairability, and high expression of ABC transporter, and the tumorigenicity is reflected in the activation of various proliferation pathways related to BCSCs. Therefore, understanding the characteristics of BCSCs and their intracellular and extracellular molecular mechanisms is crucial for the development of targeted drugs for BCSCs. To this end, we discussed the latest developments in BCSCs research, focusing on the analysis of specific markers, critical signaling pathways that maintain the stemness of BCSCs,such as NOTCH, Wnt/β-catenin, STAT3, Hedgehog, and Hippo-YAP signaling, immunomicroenviroment and summarizes targeting therapy strategies for stemness maintenance and differentiation, which provides a theoretical basis for further exploration of treating breast cancer and preventing relapse derived from BCSCs.
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Affiliation(s)
- Tianshu Zhang
- Key Laboratory of Antibiotic Bioengineering, Ministry of Health, Laboratory of Oncology, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Huimin Zhou
- Key Laboratory of Antibiotic Bioengineering, Ministry of Health, Laboratory of Oncology, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Kexin Wang
- Key Laboratory of Antibiotic Bioengineering, Ministry of Health, Laboratory of Oncology, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Xiaowei Wang
- Key Laboratory of Antibiotic Bioengineering, Ministry of Health, Laboratory of Oncology, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Mengyan Wang
- Key Laboratory of Antibiotic Bioengineering, Ministry of Health, Laboratory of Oncology, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Wenxia Zhao
- Key Laboratory of Antibiotic Bioengineering, Ministry of Health, Laboratory of Oncology, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Xiaoming Xi
- Key Laboratory of Antibiotic Bioengineering, Ministry of Health, Laboratory of Oncology, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Yang Li
- Key Laboratory of Antibiotic Bioengineering, Ministry of Health, Laboratory of Oncology, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Meilian Cai
- Key Laboratory of Antibiotic Bioengineering, Ministry of Health, Laboratory of Oncology, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Wuli Zhao
- Key Laboratory of Antibiotic Bioengineering, Ministry of Health, Laboratory of Oncology, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China.
| | - Yanni Xu
- Key Laboratory of Antibiotic Bioengineering, Ministry of Health, Laboratory of Oncology, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China.
| | - Rongguang Shao
- Key Laboratory of Antibiotic Bioengineering, Ministry of Health, Laboratory of Oncology, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
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13
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Chu YH, Liao WC, Ho YJ, Huang CH, Tseng TJ, Liu CH. Targeting Chondroitin Sulfate Reduces Invasiveness of Glioma Cells by Suppressing CD44 and Integrin β1 Expression. Cells 2021; 10:3594. [PMID: 34944101 PMCID: PMC8700349 DOI: 10.3390/cells10123594] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2021] [Revised: 12/14/2021] [Accepted: 12/17/2021] [Indexed: 12/18/2022] Open
Abstract
Chondroitin sulfate (CS) is a major component of the extracellular matrix found to be abnormally accumulated in several types of cancer tissues. Previous studies have indicated that CS synthases and modification enzymes are frequently elevated in human gliomas and are associated with poor prognosis. However, the underlying mechanisms of CS in cancer progression and approaches for interrupting its functions in cancer cells remain largely unexplored. Here, we have found that CS was significantly enriched surrounding the vasculature in a subset of glioma tissues, which was akin to the perivascular niche for cancer-initiating cells. Silencing or overexpression of the major CS synthase, chondroitin sulfate synthase 1 (CHSY1), significantly regulated the glioma cell invasive phenotypes and modulated integrin expression. Furthermore, we identified CD44 as a crucial chondroitin sulfate proteoglycan (CSPG) that was modified by CHSY1 on glioma cells, and the suppression of CS formation on CD44 by silencing the CHSY1-inhibited interaction between CD44 and integrin β1 on the adhesion complex. Moreover, we tested the CS-specific binding peptide, resulting in the suppression of glioma cell mobility in a fashion similar to that observed upon the silencing of CHSY1. In addition, the peptide demonstrated significant affinity to CD44, promoted CD44 degradation, and suppressed integrin β1 expression in glioma cells. Overall, this study proposes a potential regulatory loop between CS, CD44, and integrin β1 in glioma cells, and highlights the importance of CS in CD44 stability. Furthermore, the targeting of CS by specific binding peptides has potential as a novel therapeutic strategy for glioma.
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Affiliation(s)
- Yin-Hung Chu
- Department of Anatomy, Faculty of Medicine, Chung Shan Medical University, Taichung 402306, Taiwan; (Y.-H.C.); (W.-C.L.); (C.-H.H.); (T.-J.T.)
| | - Wen-Chieh Liao
- Department of Anatomy, Faculty of Medicine, Chung Shan Medical University, Taichung 402306, Taiwan; (Y.-H.C.); (W.-C.L.); (C.-H.H.); (T.-J.T.)
- Department of Medical Education, Chung Shan Medical University Hospital, Taichung 402306, Taiwan
| | - Ying-Jui Ho
- Department of Psychology, Chung Shan Medical University, Taichung 402306, Taiwan;
| | - Chih-Hsien Huang
- Department of Anatomy, Faculty of Medicine, Chung Shan Medical University, Taichung 402306, Taiwan; (Y.-H.C.); (W.-C.L.); (C.-H.H.); (T.-J.T.)
| | - To-Jung Tseng
- Department of Anatomy, Faculty of Medicine, Chung Shan Medical University, Taichung 402306, Taiwan; (Y.-H.C.); (W.-C.L.); (C.-H.H.); (T.-J.T.)
- Department of Medical Education, Chung Shan Medical University Hospital, Taichung 402306, Taiwan
| | - Chiung-Hui Liu
- Department of Anatomy, Faculty of Medicine, Chung Shan Medical University, Taichung 402306, Taiwan; (Y.-H.C.); (W.-C.L.); (C.-H.H.); (T.-J.T.)
- Department of Medical Education, Chung Shan Medical University Hospital, Taichung 402306, Taiwan
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14
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Muntz I, Fenu M, van Osch GJVM, Koenderink G. The role of cell-matrix interactions in connective tissue mechanics. Phys Biol 2021; 19. [PMID: 34902848 DOI: 10.1088/1478-3975/ac42b8] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Accepted: 12/13/2021] [Indexed: 11/12/2022]
Abstract
Living tissue is able to withstand large stresses in everyday life, yet it also actively adapts to dynamic loads. This remarkable mechanical behaviour emerges from the interplay between living cells and their non-living extracellular environment. Here we review recent insights into the biophysical mechanisms involved in the reciprocal interplay between cells and the extracellular matrix and how this interplay determines tissue mechanics, with a focus on connective tissues. We first describe the roles of the main macromolecular components of the extracellular matrix in regards to tissue mechanics. We then proceed to highlight the main routes via which cells sense and respond to their biochemical and mechanical extracellular environment. Next we introduce the three main routes via which cells can modify their extracellular environment: exertion of contractile forces, secretion and deposition of matrix components, and matrix degradation. Finally we discuss how recent insights in the mechanobiology of cell-matrix interactions are furthering our understanding of the pathophysiology of connective tissue diseases and cancer, and facilitating the design of novel strategies for tissue engineering.
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Affiliation(s)
- Iain Muntz
- Bionanoscience, TU Delft, Kavli Institute of Nanoscience Delft, Delft University of Technology, Van der Maasweg 9, Delft, Zuid-Holland, 2629 HC, NETHERLANDS
| | - Michele Fenu
- Otorhinolaryngology, Erasmus MC, University Medical Center Rotterdam, Rotterdam, Zuid-Holland, 3000 CA, NETHERLANDS
| | - Gerjo J V M van Osch
- Orthopaedics; Otorhinolaryngology, Erasmus MC, University Medical Center Rotterdam, Rotterdam, Zuid-Holland, 3000 CA, NETHERLANDS
| | - Gijsje Koenderink
- Bionanoscience, TU Delft, Kavli Institute of Nanoscience Delft, Delft University of Technology, Van der Maasweg 9, Delft, Zuid-Holland, 2629 HZ, NETHERLANDS
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15
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Bahmani A, Shokri E, Hosseini M, Hosseinkhani S. A fluorescent aptasensor based on copper nanoclusters for optical detection of CD44 exon v10, an important isoform in metastatic breast cancer. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2021; 13:3837-3844. [PMID: 34378562 DOI: 10.1039/d1ay01087e] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Recent studies suggest that breast cancer cells express various CD44 isoforms. CD44 is an integral transmembrane protein encoded by a single 20-exon gene. Exon v10 of CD44 plays a critical role in promoting cancer metastasis, so sensitive detection of this isoform helps in early diagnosis of metastatic breast cancer and facilitates the treatment process. This study aimed to use v10-specific aptamers to set up an optical aptasensor based on fluorescent metal nanoclusters. For this purpose, nanoclusters of silver, gold, and copper were prepared by different CD44 v10 DNA aptamers as molecular templates. UV-vis, TEM, and fluorescence spectrometer results confirmed the accuracy and quality of the synthesized aptamer-templated nanoclusters (Apt-NCs). Finally, we compared the performance of the as-prepared Apt-NCs in response to different cultured cell lines. According to the results, the optical response of M-Apt4-CuNCs was more efficient and correlated well with the concentrations of CD44 v10-enriched cells. The detection limit of the aptasensor was 40 ± 5 cells per mL.
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Affiliation(s)
- Amin Bahmani
- Department of Life Science Engineering, Faculty of New Sciences & Technologies, University of Tehran, Tehran, Iran.
| | - Ehsan Shokri
- Department of Nanotechnology, Agricultural Biotechnology Research Institute of Iran (ABRII), Agricultural Research, Education, and Extension Organization (AREEO), Karaj, Iran
| | - Morteza Hosseini
- Department of Life Science Engineering, Faculty of New Sciences & Technologies, University of Tehran, Tehran, Iran.
- Department of Pharmaceutical Biomaterials, Medical Biomaterials Research Center, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Saman Hosseinkhani
- Department of Nanobiotechnology, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran
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16
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Shih YC, Chen PY, Ko TM, Huang PH, Ma H, Tarng DC. MMP-9 Deletion Attenuates Arteriovenous Fistula Neointima through Reduced Perioperative Vascular Inflammation. Int J Mol Sci 2021; 22:ijms22115448. [PMID: 34064140 PMCID: PMC8196691 DOI: 10.3390/ijms22115448] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Revised: 05/15/2021] [Accepted: 05/18/2021] [Indexed: 01/05/2023] Open
Abstract
Matrix metalloproteinase 9 (MMP-9) expression is upregulated in vascular inflammation and participates in vascular remodeling, including aneurysm dilatation and arterial neointima development. Neointima at the arteriovenous (AV) fistula anastomosis site primarily causes AV fistula stenosis and failure; however, the effects of MMP-9 on perioperative AV fistula remodeling remain unknown. Therefore, we created AV fistulas (end-to-side anastomosis) in wild-type (WT) and MMP-9 knockout mice with chronic kidney disease to further clarify this. Neointima progressively developed in the AV fistula venous segment of WT mice during the four-week postoperative course, and MMP-9 knockout increased the lumen area and attenuated neointima size by reducing smooth muscle cell and collagen components. Early perioperative AV fistula mRNA sequencing data revealed that inflammation-related gene sets were negatively enriched in AV fistula of MMP-9 knockout mice compared to that in WT mice. qPCR results also showed that inflammatory genes, including tumor necrosis factor-α (TNF-α), monocyte chemoattractant protein-1 (MCP-1), interleukin-6 (IL-6), intercellular adhesion molecule-1 (ICAM-1), and vascular cell adhesion molecule-1 (VCAM-1), were downregulated. In addition, Western blot results showed that MMP-9 knockout reduced CD44 and RAC-alpha serine/threonine-protein kinase (Akt) and extracellular signal-regulated kinases (ERK) phosphorylation. In vitro, MMP-9 addition enhanced IL-6 and MCP-1 expression in vascular smooth muscle cells, as well as cell migration, which was reversed by an MMP-9 inhibitor. In conclusion, MMP-9 knockout attenuated AV fistula stenosis by reducing perioperative vascular inflammation.
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Affiliation(s)
- Yu-Chung Shih
- Division of Plastic and Reconstructive Surgery, Department of Surgery, Taipei Veterans General Hospital, Taipei 11217, Taiwan; (Y.-C.S.); (H.M.)
- Institute of Clinical Medicine, National Yang Ming Chiao Tung University, Taipei 11221, Taiwan;
- Institute of Clinical Medicine, National Yang Ming University, Taipei 11221, Taiwan
- Department of Surgery, School of Medicine, National Yang Ming Chiao Tung University, Taipei 112, Taiwan
| | - Po-Yuan Chen
- Bioinformatics Program, Taiwan International Graduate Program, Academia Sinica, Taipei 115, Taiwan; (P.-Y.C.); (T.-M.K.)
- Institute of Bioinformatics and Systems Biology, National Yang Ming Chiao Tung University, Hsinchu 300, Taiwan
- Institute of Information Science, Academia Sinica, Taipei 115, Taiwan
| | - Tai-Ming Ko
- Bioinformatics Program, Taiwan International Graduate Program, Academia Sinica, Taipei 115, Taiwan; (P.-Y.C.); (T.-M.K.)
- Institute of Bioinformatics and Systems Biology, National Yang Ming Chiao Tung University, Hsinchu 300, Taiwan
- Department of Biological Science and Technology, National Yang Ming Chiao Tung University, Hsinchu 300, Taiwan
- Institute of Biomedical Sciences, Academia Sinica, Taipei 115, Taiwan
- Center of Intelligent Drug System and Smart Bio-devices (IDS2B), National Yang Ming Chiao Tung University, Hsinchu 300, Taiwan
| | - Po-Hsun Huang
- Institute of Clinical Medicine, National Yang Ming Chiao Tung University, Taipei 11221, Taiwan;
- Institute of Clinical Medicine, National Yang Ming University, Taipei 11221, Taiwan
- Department of Critical Care Medicine, Taipei Veterans General Hospital, Taipei 11217, Taiwan
| | - Hsu Ma
- Division of Plastic and Reconstructive Surgery, Department of Surgery, Taipei Veterans General Hospital, Taipei 11217, Taiwan; (Y.-C.S.); (H.M.)
- Department of Surgery, School of Medicine, National Yang Ming Chiao Tung University, Taipei 112, Taiwan
- Department of Surgery, School of Medicine, National Defense Medical Center, Taipei 11490, Taiwan
| | - Der-Cherng Tarng
- Institute of Clinical Medicine, National Yang Ming Chiao Tung University, Taipei 11221, Taiwan;
- Institute of Clinical Medicine, National Yang Ming University, Taipei 11221, Taiwan
- Division of Nephrology, Department of Medicine, Taipei Veterans General Hospital, Taipei 11217, Taiwan
- Institute of Physiology, National Yang Ming Chiao Tung University, Taipei 11221, Taiwan
- Correspondence:
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17
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Fontanella RA, Sideri S, Di Stefano C, Catizone A, Di Agostino S, Angelini DF, Guerrera G, Battistini L, Battafarano G, Del Fattore A, Campese AF, Padula F, De Cesaris P, Filippini A, Riccioli A. CD44v8-10 is a marker for malignant traits and a potential driver of bone metastasis in a subpopulation of prostate cancer cells. Cancer Biol Med 2021; 18:j.issn.2095-3941.2020.0495. [PMID: 34018387 PMCID: PMC8330537 DOI: 10.20892/j.issn.2095-3941.2020.0495] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Accepted: 03/08/2021] [Indexed: 12/14/2022] Open
Abstract
OBJECTIVE Bone metastasis is a clinically important outcome of prostate carcinoma (PC). We focused on the phenotypic and functional characterization of a particularly aggressive phenotype within the androgen-independent bone metastasis-derived PC3 cell line. These cells, originated from the spontaneous conversion of a CD44-negative subpopulation, stably express the CD44v8-10 isoform (CD44v8-10pos) and display stem cell-like features and a marked invasive phenotype in vitro that is lost upon CD44v8-10 silencing. METHODS Flow cytometry, enzyme-linked immunoassay, immunofluorescence, and Western blot were used for phenotypic and immunologic characterization. Real-time quantitative polymerase chain reaction and functional assays were used to assess osteomimicry. RESULTS Analysis of epithelial-mesenchymal transition markers showed that CD44v8-10pos PC3 cells surprisingly display epithelial phenotype and can undergo osteomimicry, acquiring bone cell phenotypic and behavioral traits. Use of specific siRNA evidenced the ability of CD44v8-10 variant to confer osteomimetic features, hence the potential to form bone-specific metastasis. Moreover, the ability of tumors to activate immunosuppressive mechanisms which counteract effective immune responses is a sign of the aggressiveness of a tumor. Here we report that CD44v8-10pos cells express programmed death ligand 1, a negative regulator of anticancer immunity, and secrete exceptionally high amounts of interleukin-6, favoring osteoclastogenesis and immunosuppression in bone microenvironment. Notably, we identified a novel pathway activated by CD44v8-10, involving tafazzin (TAZ) and likely the Wnt/TAZ axis, known to play a role in upregulating osteomimetic genes. CONCLUSIONS CD44v8-10 could represent a marker of a more aggressive bone metastatic PC population exerting a driver role in osteomimicry in bone. A novel link between TAZ and CD44v8-10 is also shown.
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Affiliation(s)
- Rosaria A. Fontanella
- Department of Anatomy, Histology, Forensic Medicine and Orthopaedics, Unit of Histology and Medical Embryology, Sapienza University, Rome 00161, Italy
| | - Silvia Sideri
- Department of Anatomy, Histology, Forensic Medicine and Orthopaedics, Unit of Histology and Medical Embryology, Sapienza University, Rome 00161, Italy
| | - Chiara Di Stefano
- Department of Anatomy, Histology, Forensic Medicine and Orthopaedics, Unit of Histology and Medical Embryology, Sapienza University, Rome 00161, Italy
| | - Angiolina Catizone
- Department of Anatomy, Histology, Forensic Medicine and Orthopaedics, Unit of Histology and Medical Embryology, Sapienza University, Rome 00161, Italy
| | - Silvia Di Agostino
- Department of Health Sciences School of Medicine – “Magna Graecia” University of Catanzaro, Catanzaro 88100, Italy
| | | | | | | | - Giulia Battafarano
- Bone Physiopathology Research Unit, Genetics and Rare Diseases Research Division, Bambino Gesù Children’s Hospital, IRCCS, Rome 00146, Italy
| | - Andrea Del Fattore
- Bone Physiopathology Research Unit, Genetics and Rare Diseases Research Division, Bambino Gesù Children’s Hospital, IRCCS, Rome 00146, Italy
| | | | - Fabrizio Padula
- Department of Anatomy, Histology, Forensic Medicine and Orthopaedics, Unit of Histology and Medical Embryology, Sapienza University, Rome 00161, Italy
| | - Paola De Cesaris
- Department of Life, Health and Environmental Sciences, University of L’Aquila, L’Aquila 67100, Italy
| | - Antonio Filippini
- Department of Anatomy, Histology, Forensic Medicine and Orthopaedics, Unit of Histology and Medical Embryology, Sapienza University, Rome 00161, Italy
| | - Anna Riccioli
- Department of Anatomy, Histology, Forensic Medicine and Orthopaedics, Unit of Histology and Medical Embryology, Sapienza University, Rome 00161, Italy
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18
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Kedashiro S, Kameyama T, Mizutani K, Takai Y. Nectin-4 and p95-ErbB2 cooperatively regulate Hippo signaling-dependent SOX2 gene expression, enhancing anchorage-independent T47D cell proliferation. Sci Rep 2021; 11:7344. [PMID: 33795719 PMCID: PMC8016986 DOI: 10.1038/s41598-021-86437-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Accepted: 03/10/2021] [Indexed: 12/17/2022] Open
Abstract
Nectin-4, upregulated in various cancer cells, cis-interacts with ErbB2 and its trastuzumab-resistant splice variants, p95-ErbB2 and ErbB2∆Ex16, enhancing DNA synthesis through the PI3K-AKT signaling in human breast cancer T47D cells in an adherent culture. We found here that nectin-4 and p95-ErbB2, but not nectin-4 and either ErbB2 or ErbB2∆Ex16, cooperatively enhanced SOX2 gene expression and cell proliferation in a suspension culture. This enhancement of T47D cell proliferation in a suspension culture by nectin-4 and p95-ErbB2 was dependent on the SOX2 gene expression. In T47D cells, nectin-4 and any one of p95-ErbB2, ErbB2, or ErbB2∆Ex16 cooperatively activated the PI3K-AKT signaling, known to induce the SOX2 gene expression, to similar extents. However, only a combination of nectin-4 and p95-ErbB2, but not that of nectin-4 and either ErbB2 or ErbB2∆Ex16, cooperatively enhanced the SOX2 gene expression. Detailed studies revealed that only nectin-4 and p95-ErbB2 cooperatively activated the Hippo signaling. YAP inhibited the SOX2 gene expression in this cell line and thus the MST1/2-LATS1/2 signaling-mediated YAP inactivation increased the SOX2 gene expression. These results indicate that only the combination of nectin-4 and p95-ErbB2, but not that of nectin-4 and either ErbB2 or ErbB2∆Ex16, cooperatively regulates the Hippo signaling-dependent SOX2 gene expression, enhancing anchorage-independent T47D cell proliferation.
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Affiliation(s)
- Shin Kedashiro
- Division of Pathogenetic Signaling, Department of Biochemistry and Molecular Biology, Kobe University Graduate School of Medicine, 1-5-6 Minatojima-minamimachi, Chuo-ku, Kobe, Hyogo, 650-0047, Japan
| | - Takeshi Kameyama
- Division of Pathogenetic Signaling, Department of Biochemistry and Molecular Biology, Kobe University Graduate School of Medicine, 1-5-6 Minatojima-minamimachi, Chuo-ku, Kobe, Hyogo, 650-0047, Japan
| | - Kiyohito Mizutani
- Division of Pathogenetic Signaling, Department of Biochemistry and Molecular Biology, Kobe University Graduate School of Medicine, 1-5-6 Minatojima-minamimachi, Chuo-ku, Kobe, Hyogo, 650-0047, Japan.
| | - Yoshimi Takai
- Division of Pathogenetic Signaling, Department of Biochemistry and Molecular Biology, Kobe University Graduate School of Medicine, 1-5-6 Minatojima-minamimachi, Chuo-ku, Kobe, Hyogo, 650-0047, Japan.
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19
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Wang K, Hu YB, Zhao Y, Ye C. Long non‑coding RNA ASAP1‑IT1 suppresses ovarian cancer progression by regulating Hippo/YAP signaling. Int J Mol Med 2021; 47:44. [PMID: 33576454 DOI: 10.3892/ijmm.2021.4877] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Accepted: 12/11/2020] [Indexed: 12/11/2022] Open
Abstract
Long non‑coding RNAs (lncRNAs) are a class of non‑protein coding transcripts that are involved in the regulation of gene expression in mammalian cells. Transcriptional co‑activator Yes associated protein 1 (YAP1) plays a key role in the progression of ovarian cancer. However, the regulation of Hippo/YAP signaling in ovarian cancer remains elusive. In the present study, the expression levels of lncRNA ASAP1‑IT1 were investigated. The analysis indicated that lncRNA ASAP1‑IT1 expression was downregulated in ovarian tumor samples and ovarian cancer cells. The overexpression of ASAP1‑IT1 inhibited ovarian cancer cell proliferation and induced cell apoptosis. Bioinformatics analysis predicted that miR‑2278, a previously reported upregulated miRNA in ovarian tumors, may bind to ASAP1‑IT1. Dual luciferase assay confirmed the direct regulatory association between ASAP1‑IT1 and miR‑2278. In addition, the data demonstrated that large tumor suppressor 2 (LATS2) was a target gene of miR‑2278, whose expression was upregulated by ASAP1‑IT1 in ovarian cancer cells. By regulating the expression of LATS2, ASAP1‑IT1 induced the downregulation of YAP1 expression in ovarian cancer cells. Moreover, the silencing of LATS2 attenuated the inhibition of cell proliferation and the apoptosis induced by ASAP1‑IT1 overexpression in ovarian cancer cells. The association among the expression levels of ASAP1‑IT1, miR‑2278 and LATS2 was observed in specimens obtained from patients with ovarian cancer. Taken together, the data presented herein demonstrate that ASAP1‑IT1 functions as a potential tumor suppressor lncRNA by upregulating LATS2 expression in ovarian cancer.
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Affiliation(s)
- Ke Wang
- Department of Gynecology and Obstetrics, The China‑Japan Union Hospital of Jilin University, Changchun, Jilin 130000, P.R. China
| | - Yu-Bo Hu
- Department of Anesthesiology, The China‑Japan Union Hospital of Jilin University, Changchun, Jilin 130000, P.R. China
| | - Ye Zhao
- Department of Dermatology, The China‑Japan Union Hospital of Jilin University, Changchun, Jilin 130000, P.R. China
| | - Cong Ye
- Department of Gynecology and Obstetrics, The China‑Japan Union Hospital of Jilin University, Changchun, Jilin 130000, P.R. China
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20
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Tsubaki M, Genno S, Takeda T, Matsuda T, Kimura N, Yamashita Y, Morii Y, Shimomura K, Nishida S. Rhosin Suppressed Tumor Cell Metastasis through Inhibition of Rho/YAP Pathway and Expression of RHAMM and CXCR4 in Melanoma and Breast Cancer Cells. Biomedicines 2021; 9:biomedicines9010035. [PMID: 33406809 PMCID: PMC7824767 DOI: 10.3390/biomedicines9010035] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Accepted: 12/29/2020] [Indexed: 11/24/2022] Open
Abstract
The high mortality rate of cancer is strongly correlated with the development of distant metastases at secondary sites. Although Rho GTPases, such as RhoA, RhoB, RhoC, and RhoE, promote tumor metastasis, the main roles of Rho GTPases remain unidentified. It is also unclear whether rhosin, a Rho inhibitor, acts by suppressing metastasis by a downstream inhibition of Rho. In this study, we investigated this mechanism of metastasis in highly metastatic melanoma and breast cancer cells, and the mechanism of inhibition of metastasis by rhosin. We found that rhosin suppressed the RhoA and RhoC activation, the nuclear localization of YAP, but did not affect ERK1/2, Akt, or NF-κB activation in the highly metastatic cell lines B16BL6 and 4T1. High expression of YAP was associated with poor overall and recurrence-free survival in patients with breast cancer or melanoma. Treatment with rhosin inhibited lung metastasis in vivo. Moreover, rhosin inhibited tumor cell adhesion to the extracellular matrix via suppression of RHAMM expression, and inhibited SDF-1-induced cell migration and invasion by decreasing CXCR4 expression in B16BL6 and 4T1 cells. These results suggest that the inhibition of RhoA/C-YAP pathway by rhosin could be an extremely useful therapeutic approach in patients with melanoma and breast cancer.
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Affiliation(s)
- Masanobu Tsubaki
- Division of Pharmacotherapy, Faculty of Pharmacy, Kindai University, Kowakae, Higashi-Osaka 577-8502, Japan; (M.T.); (S.G.); (T.T.); (T.M.); (N.K.); (Y.Y.); (Y.M.)
| | - Shuuji Genno
- Division of Pharmacotherapy, Faculty of Pharmacy, Kindai University, Kowakae, Higashi-Osaka 577-8502, Japan; (M.T.); (S.G.); (T.T.); (T.M.); (N.K.); (Y.Y.); (Y.M.)
| | - Tomoya Takeda
- Division of Pharmacotherapy, Faculty of Pharmacy, Kindai University, Kowakae, Higashi-Osaka 577-8502, Japan; (M.T.); (S.G.); (T.T.); (T.M.); (N.K.); (Y.Y.); (Y.M.)
| | - Takuya Matsuda
- Division of Pharmacotherapy, Faculty of Pharmacy, Kindai University, Kowakae, Higashi-Osaka 577-8502, Japan; (M.T.); (S.G.); (T.T.); (T.M.); (N.K.); (Y.Y.); (Y.M.)
| | - Naoto Kimura
- Division of Pharmacotherapy, Faculty of Pharmacy, Kindai University, Kowakae, Higashi-Osaka 577-8502, Japan; (M.T.); (S.G.); (T.T.); (T.M.); (N.K.); (Y.Y.); (Y.M.)
| | - Yuuma Yamashita
- Division of Pharmacotherapy, Faculty of Pharmacy, Kindai University, Kowakae, Higashi-Osaka 577-8502, Japan; (M.T.); (S.G.); (T.T.); (T.M.); (N.K.); (Y.Y.); (Y.M.)
| | - Yuusuke Morii
- Division of Pharmacotherapy, Faculty of Pharmacy, Kindai University, Kowakae, Higashi-Osaka 577-8502, Japan; (M.T.); (S.G.); (T.T.); (T.M.); (N.K.); (Y.Y.); (Y.M.)
- Department of Phamacy, Municipal Ikeda Hospital, Ikeda, Osaka 563-0025, Japan;
| | - Kazunori Shimomura
- Department of Phamacy, Municipal Ikeda Hospital, Ikeda, Osaka 563-0025, Japan;
| | - Shozo Nishida
- Division of Pharmacotherapy, Faculty of Pharmacy, Kindai University, Kowakae, Higashi-Osaka 577-8502, Japan; (M.T.); (S.G.); (T.T.); (T.M.); (N.K.); (Y.Y.); (Y.M.)
- Correspondence: ; Tel.: +81-6-6721-2332
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21
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Hamatani H, Eng DG, Hiromura K, Pippin JW, Shankland SJ. CD44 impacts glomerular parietal epithelial cell changes in the aged mouse kidney. Physiol Rep 2020; 8:e14487. [PMID: 32597007 PMCID: PMC7322268 DOI: 10.14814/phy2.14487] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Accepted: 05/17/2020] [Indexed: 02/06/2023] Open
Abstract
CD44 contributes to the activation of glomerular parietal epithelial cells (PECs). Although CD44 expression is higher in PECs of healthy aged mice, the biological role of CD44 in PECs in this context remains unclear. Accordingly, young (4 months) and aged (24 months) CD44-/- mice were compared to age-matched CD44+/+ mice, both aged in a nonstressed environment. Parietal epithelial cell densities were similar in both young and aged CD44+/+ and CD44-/- mice. Phosphorylated ERK 1/2 (pERK) was higher in aged CD44+/+ mice. Vimentin and α-SMA, markers of changes to the epithelial cell phenotype, were present in PECs in aged CD44+/+ mice, but absent in aged CD44-/- mice in both outer cortical (OC) and juxtamedullary (JM) glomeruli. Because age-related glomerular hypertrophy was lower in CD44-/- mice, mTOR activation was assessed by phospho-S6 ribosomal protein (pS6RP) staining. Parietal epithelial cells and glomerular tuft staining for pS6RP was lower in aged CD44-/- mice compared to aged CD44+/+ mice. Podocyte density was higher in aged CD44-/- mice in both OC and JM glomeruli. These changes were accompanied by segmental and global glomerulosclerosis in aged CD44+/+ mice, but absent in aged CD44-/- mice. These results show that the increase in CD44 in PECs in aged kidneys contributes to several changes to the glomerulus during healthy aging in mice, and may involve ERK and mTOR activation.
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Affiliation(s)
- Hiroko Hamatani
- Division of NephrologyUniversity of Washington School of MedicineSeattleWAUSA
- Department of Nephrology and RheumatologyGunma University Graduate School of MedicineMaebashiJapan
| | - Diana G. Eng
- Division of NephrologyUniversity of Washington School of MedicineSeattleWAUSA
| | - Keiju Hiromura
- Department of Nephrology and RheumatologyGunma University Graduate School of MedicineMaebashiJapan
| | - Jeffrey W. Pippin
- Division of NephrologyUniversity of Washington School of MedicineSeattleWAUSA
| | - Stuart J. Shankland
- Division of NephrologyUniversity of Washington School of MedicineSeattleWAUSA
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22
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Huo W, Qi F, Wang K. Long non-coding RNA FER1L4 inhibits prostate cancer progression via sponging miR-92a-3p and upregulation of FBXW7. Cancer Cell Int 2020; 20:64. [PMID: 32140077 PMCID: PMC7049228 DOI: 10.1186/s12935-020-1143-0] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Accepted: 02/19/2020] [Indexed: 02/07/2023] Open
Abstract
Background Dysregulation of long non-coding RNAs (lncRNAs) is involved in development of prostate cancer. However, the molecular mechanisms of many lncRNAs in prostate cancer have not been studied yet. Methods The lncRNA Fer-1-like protein 4 (FER1L4) expression was explored in prostate tumors and normal prostate tissues by RT-qPCR and bioinformatic analysis. Overexpression of FER1L4 was performed to evaluate its role in prostate cancer cell proliferation and survival. The molecular mechanism of FER1L4 was investigated by dual luciferase reporter assay, RNA pull down assay, western blotting and RT-qPCR. Results It was found that FER1L4 was lower in prostate cancer tissues than normal tissues. Higher expression of FER1L4 was associated with prostate cancer tissues of early stage (AJCC stage I/II). Overexpression of FER1L4 inhibited cell proliferation and promoted cell apoptosis in prostate cancer cells. Bioinformatic analysis, RT-qPCR, RNA pull down assay and dual luciferase assay showed that FER1L4 upregulated F-box/WD repeat-containing protein 7 (FBXW7) tumor suppressor via sponging miR-92a-3p. Silencing of FBXW7 reversed the cell phenotypes caused by FER1L4 overexpression in prostate cancer cells. Conclusion The data demonstrated that FER1L4, a downregulated lncRNA in prostate cancer, was pivotal for cell proliferation and survival of prostate cancer. The study provided new sights into understanding of the signaling network in prostate cancer and implied that FER1L4 might be a biomarker for patients with prostate cancer.
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Affiliation(s)
- Wei Huo
- 1Department of Urology, China-Japan Union Hospital, Jilin University, 126 Xiantai Street, Changchun, 130001 People's Republic of China
| | - Fei Qi
- 2Department of Operating Room, China-Japan Union Hospital, Jilin University, Changchun, 130001 People's Republic of China
| | - Kaichen Wang
- 1Department of Urology, China-Japan Union Hospital, Jilin University, 126 Xiantai Street, Changchun, 130001 People's Republic of China
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23
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ERK1 indicates good prognosis and inhibits breast cancer progression by suppressing YAP1 signaling. Aging (Albany NY) 2019; 11:12295-12314. [PMID: 31848326 PMCID: PMC6949071 DOI: 10.18632/aging.102572] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2019] [Accepted: 11/25/2019] [Indexed: 12/31/2022]
Abstract
The mitogen-activated protein kinase/extracellular signal-regulated (MAPK/ERK) pathway is a well-characterized signaling pathway during the development of various cancer types. ERK1 and ERK2, the two kinase effectors of MAPK cascade, exhibit high similarity. However, it is still unknown whether these two kinases are functionally different or in contrast functionally redundant during the development of breast cancer. We found that ERK1 expression levels were significantly lower in basal breast cancer compared with luminal breast cancer and normal breast tissues. RNA sequencing data suggested that ERK1 was associated with Hippo signaling pathway and cell proliferation in breast cancer cells. The gene set enrichment analysis (GSEA) further showed enrichment for YAP1 signaling pathway in breast cancer cell lines and tumors with low expression of ERK1. Silencing of ERK1 elevated YAP1 expression and TEAD activity in breast cancer cells. Additionally, ERK1 inhibited breast cancer cell proliferation via regulation of YAP1. The Kaplan-Meier analysis of data in patients with breast cancer suggested that, higher expression of ERK1 was associated with better prognosis, whereas, higher expression of ERK2 predicted poorer prognosis. These findings unveiled the role of ERK1 on regulation of YAP1 signaling pathway, indicating ERK1 as a negative regulator of breast cancer progression.
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24
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Gao G, Xiu D, Yang B, Sun D, Wei X, Ding Y, Ma Y, Wang Z. miR-129-5p inhibits prostate cancer proliferation via targeting ETV1. Onco Targets Ther 2019; 12:3531-3544. [PMID: 31190859 PMCID: PMC6512784 DOI: 10.2147/ott.s183435] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
Background Prostate cancer is one of the most commonly diagnosed diseases in males. Methods RT-qPCR was used to detect miR-129-5p expression in tumor tissues and adjacent normal tissues from patients with prostate cancer. The cell proliferation assay and colony forming assay were used to study the role of miR-129-5p in mediating prostate cancer cell growth. Bioinformatic analysis and dual luciferase assay were performed to predict and confirm ETV1 as a target gene of miR-129-5p. Results We found that miR-129-5p levels were decreased significantly in human prostate cancer tissues compared with matched normal tissues from patients with prostate cancer. Overexpression of miR-129-5p suppressed prostate cancer cell growth while antagonist of miR-129-5p promoted cell proliferation in immortal prostate cell line RWPE-1. In addition, elevation of miR-129-5p decreased ETV1 expression in prostate cancer cells while downregulation of miR-129-5p increased ETV1 expression in RWPE-1. Mechanistically, ETV1 is confirmed a direct target of miR-129-5p in prostate cancer cells. Through repression of ETV1 expression, miR-129-5p could inactivate YAP signaling in prostate cancer cells. In addition, overexpression of ETV1 attenuated miR-129-5p induced cell proliferation in prostate cancer cells. Correlation analysis further revealed that there was a negative correlation between miR-129-5p levels and ETV1 mRNA levels in tumor tissues from patients with prostate cancer. Conclusion Our results identified miR-129-5p as a tumor suppressor in prostate cancer via repression of ETV1.
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Affiliation(s)
- Ge Gao
- Department of Pathology, China-Japan Union Hospital of Jilin University, Changchun, Jilin 130033, P.R. China
| | - Dianhui Xiu
- Department of Radiology, China-Japan Union Hospital of Jilin University, Changchun, Jilin 130033, P.R. China
| | - Bin Yang
- Department of Breast Surgery, China-Japan Union Hospital of Jilin University, Changchun, Jilin 130033, P.R. China
| | - Daju Sun
- Department of Pathology, China-Japan Union Hospital of Jilin University, Changchun, Jilin 130033, P.R. China
| | - Xin Wei
- Department of Urology, China-Japan Union Hospital of Jilin University, Changchun, Jilin 130033, P.R. China,
| | - Youpeng Ding
- Department of Urology, China-Japan Union Hospital of Jilin University, Changchun, Jilin 130033, P.R. China,
| | - Yanan Ma
- Department of Urology, China-Japan Union Hospital of Jilin University, Changchun, Jilin 130033, P.R. China,
| | - Zhixin Wang
- Department of Urology, China-Japan Union Hospital of Jilin University, Changchun, Jilin 130033, P.R. China,
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25
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Godavarthy PS, Kumar R, Herkt SC, Pereira RS, Hayduk N, Weissenberger ES, Aggoune D, Manavski Y, Lucas T, Pan KT, Voutsinas JM, Wu Q, Müller MC, Saussele S, Oellerich T, Oehler VG, Lausen J, Krause DS. The vascular bone marrow niche influences outcome in chronic myeloid leukemia via the E-selectin - SCL/TAL1 - CD44 axis. Haematologica 2019; 105:136-147. [PMID: 31018977 PMCID: PMC6939533 DOI: 10.3324/haematol.2018.212365] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2018] [Accepted: 04/23/2019] [Indexed: 12/12/2022] Open
Abstract
The endosteal bone marrow niche and vascular endothelial cells provide sanctuaries for leukemic cells. In murine chronic myeloid leukemia (CML) CD44 on leukemia cells and E-selectin on bone marrow endothelium are essential mediators for the engraftment of leukemic stem cells. We hypothesized that non-adhesion of CML-initiating cells to E-selectin on the bone marrow endothelium may lead to superior eradication of leukemic stem cells in CML after treatment with imatinib than imatinib alone. Indeed, here we show that treatment with the E-selectin inhibitor GMI-1271 in combination with imatinib prolongs survival of mice with CML via decreased contact time of leukemia cells with bone marrow endothelium. Non-adhesion of BCR-ABL1+ cells leads to an increase of cell cycle progression and an increase of expression of the hematopoietic transcription factor and proto-oncogene Scl/Tal1 in leukemia-initiating cells. We implicate SCL/TAL1 as an indirect phosphorylation target of BCR-ABL1 and as a negative transcriptional regulator of CD44 expression. We show that increased SCL/TAL1 expression is associated with improved outcome in human CML. These data demonstrate the BCR-ABL1-specific, cell-intrinsic pathways leading to altered interactions with the vascular niche via the modulation of adhesion molecules - which could be exploited therapeutically in the future.
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Affiliation(s)
| | - Rahul Kumar
- Georg-Speyer-Haus, Institute for Tumor Biology and Experimental Therapy, Frankfurt am Main, Germany
| | - Stefanie C Herkt
- Institute for Transfusion Medicine DRK- Blutspendedienst Baden-Württemberg - Hessen, Frankfurt am Main, Germany
| | - Raquel S Pereira
- Georg-Speyer-Haus, Institute for Tumor Biology and Experimental Therapy, Frankfurt am Main, Germany
| | - Nina Hayduk
- Georg-Speyer-Haus, Institute for Tumor Biology and Experimental Therapy, Frankfurt am Main, Germany
| | - Eva S Weissenberger
- Georg-Speyer-Haus, Institute for Tumor Biology and Experimental Therapy, Frankfurt am Main, Germany
| | - Djamel Aggoune
- Georg-Speyer-Haus, Institute for Tumor Biology and Experimental Therapy, Frankfurt am Main, Germany
| | - Yosif Manavski
- Institute of Cardiovascular Regeneration, Center for Molecular Medicine, Goethe University Frankfurt, Frankfurt am Main, Germany
| | - Tina Lucas
- Institute of Cardiovascular Regeneration, Center for Molecular Medicine, Goethe University Frankfurt, Frankfurt am Main, Germany
| | - Kuan-Ting Pan
- Bioanalytical Mass Spectrometry Group, Max Planck Institute for Biophysical Chemistry, Göttingen, Germany
| | - Jenna M Voutsinas
- Fred Hutchinson Cancer Research Center, Clinical Research Division, Biostatistics, Seattle, WA, USA
| | - Qian Wu
- Fred Hutchinson Cancer Research Center, Clinical Research Division, Biostatistics, Seattle, WA, USA
| | | | - Susanne Saussele
- Department of Hematology and Oncology, University Hospital Mannheim, Heidelberg University, Mannheim, Germany
| | - Thomas Oellerich
- Department of Internal Medicine, Hematology/Oncology, Goethe University, Frankfurt am Main, Germany.,German Cancer Research Center and German Cancer Consortium, Heidelberg, Germany
| | - Vivian G Oehler
- Fred Hutchinson Cancer Research Center, Clinical Research Division, Division of Hematology, University of Washington Medical Center, Seattle, WA, USA
| | - Joern Lausen
- Institute for Transfusion Medicine DRK- Blutspendedienst Baden-Württemberg - Hessen, Frankfurt am Main, Germany
| | - Daniela S Krause
- Georg-Speyer-Haus, Institute for Tumor Biology and Experimental Therapy, Frankfurt am Main, Germany .,German Cancer Research Center and German Cancer Consortium, Heidelberg, Germany.,Faculty of Medicine, Johann Wolfgang Goethe University, Frankfurt.,Frankfurt Cancer Institute, Frankfurt, Germany
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26
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CD44 Promotes Migration and Invasion of Docetaxel-Resistant Prostate Cancer Cells Likely via Induction of Hippo-Yap Signaling. Cells 2019; 8:cells8040295. [PMID: 30935014 PMCID: PMC6523775 DOI: 10.3390/cells8040295] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2019] [Revised: 03/19/2019] [Accepted: 03/27/2019] [Indexed: 12/20/2022] Open
Abstract
Patients receiving docetaxel developed a drug resistance within a few months. We generated docetaxel-resistant PC/DX25 and DU/DX50 CRPC cells from PC-3 and DU-145 PCa cells, respectively. We investigated the mechanism behind why PC/DX25 and DU/DX50 cells exhibited higher migration and invasion ability. Transwell assays were used to measure the migration and invasion of PCa cell. Fluorescence activated cell sorter (FACS) analysis was used to determine the population of cancer stem cell (CSC)-like cell. Micro-Western Array (MWA) was used to study the changes of the protein profile. FACS analysis revealed that PC/DX25 cells and DU/DX50 cells contain higher CD44+ population. MWA and Western blotting assay revealed that protein expression of CD44, YAP, CYR61, CTGF, phospho-ERK1/2 T202/Y204, ERK and vimentin was elevated in PC/DX25 cells. Knockdown of CD44 or YAP suppressed migration and invasion of PC/DX25 and DU/DX50 cells. Knockdown of CD44 decreased expression of YAP, CTGF and CYR61 but increased phosphorylation of S127 on YAP. CD44 knockdown also suppressed protein level of AKT, phospho-AKT T308, phospho-ERK1/2 T202/Y204 and vimentin. CD44 promotes migration and invasion of docetaxel-resistant PCa cells probably via induction of Hippo-Yap signaling pathway and CD44/YAP pathway may be a therapeutic target for docetaxel-resistant PCa.
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Nishio M, Miyachi Y, Otani J, Tane S, Omori H, Ueda F, Togashi H, Sasaki T, Mak TW, Nakao K, Fujita Y, Nishina H, Maehama T, Suzuki A. Hippo pathway controls cell adhesion and context‐dependent cell competition to influence skin engraftment efficiency. FASEB J 2019; 33:5548-5560. [DOI: 10.1096/fj.201802005r] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Miki Nishio
- Division of Molecular and Cellular BiologyDepartment of Biochemistry and Molecular BiologyKobe University Graduate School of MedicineKobe University Kobe Japan
- Division of Cancer GeneticsDepartment of Molecular GeneticsMedical Institute of BioregulationKyushu University Fukuoka Japan
| | - Yousuke Miyachi
- Division of Molecular and Cellular BiologyDepartment of Biochemistry and Molecular BiologyKobe University Graduate School of MedicineKobe University Kobe Japan
- Division of Cancer GeneticsDepartment of Molecular GeneticsMedical Institute of BioregulationKyushu University Fukuoka Japan
| | - Junji Otani
- Division of Molecular and Cellular BiologyDepartment of Biochemistry and Molecular BiologyKobe University Graduate School of MedicineKobe University Kobe Japan
| | - Shoji Tane
- Division of Cancer GeneticsDepartment of Molecular GeneticsMedical Institute of BioregulationKyushu University Fukuoka Japan
| | - Hirofumi Omori
- Division of Molecular and Cellular BiologyDepartment of Biochemistry and Molecular BiologyKobe University Graduate School of MedicineKobe University Kobe Japan
| | - Fumihito Ueda
- Division of Molecular and Cellular BiologyDepartment of Biochemistry and Molecular BiologyKobe University Graduate School of MedicineKobe University Kobe Japan
| | - Hideru Togashi
- Division of Molecular and Cellular BiologyDepartment of Biochemistry and Molecular BiologyKobe University Graduate School of MedicineKobe University Kobe Japan
| | - Takehiko Sasaki
- Department of Lipid BiologyTokyo Medical and Dental University Tokyo Japan
| | - Tak Wah Mak
- The Campbell Family Institute for Breast Cancer ResearchPrincess Margaret Cancer Centre Toronto Ontario Canada
- Department of Medical BiophysicsUniversity of TorontoUniversity Health Network Toronto Ontario Canada
| | - Kazuwa Nakao
- Medical Innovation CenterGraduate School of MedicineKyoto University Kyoto Japan
| | - Yasuyuki Fujita
- Division of Molecular OncologyInstitute for Genetic MedicineGraduate School of Chemical Sciences and EngineeringHokkaido University Sapporo Japan
| | - Hiroshi Nishina
- Department of Developmental and Regenerative BiologyMedical Research InstituteTokyo Medical and Dental University Tokyo Japan
| | - Tomohiko Maehama
- Division of Molecular and Cellular BiologyDepartment of Biochemistry and Molecular BiologyKobe University Graduate School of MedicineKobe University Kobe Japan
| | - Akira Suzuki
- Division of Molecular and Cellular BiologyDepartment of Biochemistry and Molecular BiologyKobe University Graduate School of MedicineKobe University Kobe Japan
- Division of Cancer GeneticsDepartment of Molecular GeneticsMedical Institute of BioregulationKyushu University Fukuoka Japan
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Zhu J, Tao L, Jin L. MicroRNA‑506‑3p reverses gefitinib resistance in non‑small cell lung cancer by targeting Yes‑associated protein 1. Mol Med Rep 2018; 19:1331-1339. [PMID: 30535506 DOI: 10.3892/mmr.2018.9710] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2018] [Accepted: 09/11/2018] [Indexed: 11/06/2022] Open
Abstract
Epidermal growth factor receptor‑tyrosine kinase inhibitors, such as gefitinib, have been found to be clinically effective in the treatment of patients with non‑small cell lung cancer (NSCLC). However, the therapeutic effect of gefitinib is often limited by the development of gefitinib resistance. MicroRNAs (miRNAs), a group of small non‑coding RNAs, have been demonstrated to be frequently dysregulated in human malignancies. For instance, the downregulation of miR‑506‑3p has been reported in NSCLC patients. The aim of the present study was to determine the role and underlying molecular mechanism of miR‑506‑3p in the regulation of gefitinib sensitivity in NSCLC. A gefitinib‑resistant PC‑9 (PC‑9GR) cell line was established, and reduced miR‑506‑3p expression was observed in PC‑9GR cells as compared with that in parental cells. The results of cell cytotoxicity and cell apoptosis assays indicated that PC‑9GR cells were more sensitive to gefitinib following the transfection with an miR‑506‑3p mimic, while transfection with an miR‑506‑3p antagonist reduced the sensitivity of PC‑9GR cells to gefitinib. It was further revealed that Yes‑associated protein 1 (YAP1) was directly suppressed by miR‑506‑3p in PC‑9GR cells. The elevated sensitivity of PC‑9GR cells to gefitinib following transfection with the miR‑506‑3p mimic was counteracted by the overexpression of YAP1. Furthermore, an inverse correlation between the miR‑506‑3p and YAP1 mRNA levels was detected in lung adenocarcinoma specimens. Collectively, the results of the present study suggested that the downregulation of miR‑506‑3p contributes to gefitinib resistance, and thus, the restoration of miR‑506‑3p may be a potential therapeutic approach for overcoming NSCLC gefitinib resistance.
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Affiliation(s)
- Junfei Zhu
- Department of Respiratory Medicine, Taizhou Central Hospital, Taizhou, Zhejiang 318000, P.R. China
| | - Lianqin Tao
- Department of Respiratory Medicine, Taizhou Central Hospital, Taizhou, Zhejiang 318000, P.R. China
| | - Litong Jin
- Department of Emergency, Taizhou Central Hospital, Taizhou, Zhejiang 318000, P.R. China
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29
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Fang Y, Liu C, Shu B, Zhai M, Deng C, He C, Luo M, Han T, Zheng W, Zhang J, Liu S. Axis of serotonin -pERK-YAP in liver regeneration. Life Sci 2018; 209:490-497. [PMID: 30142376 DOI: 10.1016/j.lfs.2018.08.047] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2018] [Revised: 08/03/2018] [Accepted: 08/20/2018] [Indexed: 12/25/2022]
Abstract
BACKGROUND AND AIM Serotonin and YAP exhibit a vital role in regulating cell proliferation and wound-healing response. The aim of the study was to investigate whether 5-HT could promote liver regeneration by activating YAP. METHODS PH models were established by WT and TPH1-/- mice. ELISA, RT-PCR, western blot, immunohistochemistry, flow cytometry and MTT assay were used to assess the level of 5-HT and YAP and proliferation after PH. RESULTS We found that 5-HT level was lower in the serum and liver of TPH1-/- mice. After PH, TPH1-/- mice, lacking in 5-HT, demonstrated worse regenerative ability and suffered more severe liver injury. Additionally, YAP expression was also lower in TPH1-/- mice. Moreover, we found that YAP expression was prominent within the first three days following PH. Similarly, 5-HT could promote cell proliferation by upregulating YAP expression in L-O2 cells. As predicted, using YAP-siRNA sharply reduced the proliferative capacity mediated by 5-HT. Further study also indicated that ERK participated in the regulation of YAP induced by 5-HT. By using an ERK inhibitor, the YAP expression and cell proliferation induced by 5-HT were both suppressed. Although YAP-siRNA was used to block YAP expression, pERK and ERK expression were not affected. Taken together, these data showed that 5-HT contributed to liver regeneration by regulating YAP expression, which at least in part, was by activation of pERK. CONCLUSION A role of the 5-HT-pERK-YAP axis in liver regeneration emerged from our study and might be a potential target to promote regeneration and injury repair.
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Affiliation(s)
- Yu Fang
- Department of General Surgery, the Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China; Department of General Surgery, Anhui Provincial Hospital, Hefei, Anhui 230031, China
| | - Chun Liu
- Department of General Surgery, the Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
| | - Bo Shu
- Department of General Surgery, the Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
| | - Mimi Zhai
- Department of Hepatobiliary Surgery, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China
| | - Chaolin Deng
- Department of General Surgery, the Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
| | - Chao He
- Department of General Surgery, the Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
| | - Ming Luo
- Department of General Surgery, the Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
| | - Tong Han
- Department of General Surgery, the Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
| | - Wei Zheng
- Department of Hepatobiliary Surgery, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China
| | - Jingyao Zhang
- Department of Hepatobiliary Surgery, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China
| | - Sushun Liu
- Department of General Surgery, the Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China; Department of Hepatobiliary Surgery, Shaanxi Province Hospital, Xi'an, Shaanxi 710068, China.
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Cui Y, Li G, Zhang X, Dai F, Zhang R. Increased MALAT1 expression contributes to cisplatin resistance in non-small cell lung cancer. Oncol Lett 2018; 16:4821-4828. [PMID: 30250547 PMCID: PMC6144744 DOI: 10.3892/ol.2018.9293] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2017] [Accepted: 04/04/2018] [Indexed: 12/17/2022] Open
Abstract
Cisplatin-based chemotherapy is commonly used for the clinical treatment of patients with non-small cell lung cancer (NSCLC). However, the anti-tumor efficacy of cisplatin is limited by poor clinical response and the development of chemoresistance. At present, the underlying mechanism for cisplatin resistance remains unclear. In the present study, it was identified that metastasis-associated lung adenocarcinoma transcript 1 (MALAT1), a long non-coding RNA that has been demonstrated to function as an oncogene, was increased in tumor tissues from patients with cisplatin-resistant NSCLC. In addition, the MALAT1 level was increased in A549rCDDP cells compared with the parental A549 cells. Silencing of MALAT1 sensitized A549rCDDP cells to cisplatin treatment, while overexpression of MALAT1 in A549 cells decreased their sensitivity towards cisplatin. Through analysis of the gene expression in patient samples, a decrease in miR-145 and an increase in Kruppel-like factor 4 (KLF4) in tumor tissues compared with adjacent normal tissues was observed. A negative association between MALAT1 and miR-145 was also identified in A549 cells and A549rCDDP cells. Furthermore, reverse transcription quantitative polymerase chain reaction and western blotting identified that KLF4 was positively and negatively regulated by MALAT1 and miR-145, respectively. The direct regulatory association between MALAT1 and miR-145 and the target gene KLF4 was additionally confirmed using a luciferase reporter assay. Knockdown of MALAT1 reversed cisplatin resistance in A549rCDDP cells. Taken together, these data indicated that MALAT1 decreased the sensitivity of NSCLC to cisplatin via the regulation of miR-145 and KLF4.
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Affiliation(s)
- Yong Cui
- The Third Department of Oncology, Shouguang People's Hospital, Shouguang, Shandong 262700, P.R. China
| | - Guanlong Li
- The Third Department of Oncology, Shouguang People's Hospital, Shouguang, Shandong 262700, P.R. China
| | - Xin Zhang
- The Third Department of Oncology, Shouguang People's Hospital, Shouguang, Shandong 262700, P.R. China
| | - Fangfang Dai
- The Third Department of Oncology, Shouguang People's Hospital, Shouguang, Shandong 262700, P.R. China
| | - Rongxiang Zhang
- The Third Department of Oncology, Shouguang People's Hospital, Shouguang, Shandong 262700, P.R. China
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Hu LL, Su T, Luo RC, Zheng YH, Huang J, Zhong ZS, Nie J, Zheng LP. Hippo pathway functions as a downstream effector of AKT signaling to regulate the activation of primordial follicles in mice. J Cell Physiol 2018; 234:1578-1587. [PMID: 30078193 DOI: 10.1002/jcp.27024] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2017] [Accepted: 06/25/2018] [Indexed: 12/31/2022]
Abstract
Clarifying the molecular mechanisms by which primordial follicles are initiated is crucial for the prevention and treatment of female infertility and ovarian dysfunction. The Hippo pathway has been proven to have a spatiotemporal correlation with the size of the primordial follicle pool in mice in our previous work. But the role and underlying mechanisms of the Hippo pathway in primordial follicle activation remain unclear. Here, the localization and expression of the core components were examined in primordial follicles before and after activation. And the effects of the Hippo pathway on primordial follicle activation were determined by genetically manipulating yes-associated protein 1 (Yap1), the key transcriptional effector. Furthermore, an AKT specific inhibitor (MK2206) was added to determine the interaction between the Hippo pathway and AKT, an important signaling regulator of ovarian function. Results showed that the core components of the Hippo pathway were localized in both primordial and primary follicles and the expression levels of them changed significantly during the initiation of primordial follicles. Yap1 knockdown suppressed primordial follicle activation, while its overexpression led to the opposite trend. MK2206 downregulated the ratio of P-MST/MST1 and upregulated the ratio of P-YAP1/YAP1 significantly, whereas Yap1-treatment had no influence on AKT. In addition, YAP1 upregulation partially rescued the suppression of the primordial follicle activation induced by MK2206. Our findings revealed that the Hippo-YAP1 regulates primordial follicular activation, which is mediated by AKT signaling in mice, thus providing direct and new evidence to highlight the role of Hippo signaling in regulating ovarian follicles development.
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Affiliation(s)
- Liao-Liao Hu
- Department of Physiology, Jiangxi Medical College, Nanchang University, Nanchang, China
- Department of Reproductive Physiology, Jiangxi Key Laboratory of Reproductive Physiology and Pathology, Nanchang, China
| | - Tie Su
- Department of Physiology, Jiangxi Medical College, Nanchang University, Nanchang, China
- Department of Reproductive Physiology, Jiangxi Key Laboratory of Reproductive Physiology and Pathology, Nanchang, China
| | - Rui-Chen Luo
- Department of Physiology, Jiangxi Medical College, Nanchang University, Nanchang, China
- Department of Reproductive Physiology, Jiangxi Key Laboratory of Reproductive Physiology and Pathology, Nanchang, China
| | - Yue-Hui Zheng
- Department of Physiology, Jiangxi Medical College, Nanchang University, Nanchang, China
- Department of Reproductive Physiology, Jiangxi Key Laboratory of Reproductive Physiology and Pathology, Nanchang, China
| | - Jian Huang
- Department of Physiology, Jiangxi Medical College, Nanchang University, Nanchang, China
- Department of Reproductive Physiology, Jiangxi Key Laboratory of Reproductive Physiology and Pathology, Nanchang, China
| | - Zhi-Sheng Zhong
- Department of Physiology, Jiangxi Medical College, Nanchang University, Nanchang, China
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Jing Nie
- Department of Physiology, Jiangxi Medical College, Nanchang University, Nanchang, China
| | - Li-Ping Zheng
- Department of Physiology, Jiangxi Medical College, Nanchang University, Nanchang, China
- Department of Reproductive Physiology, Jiangxi Key Laboratory of Reproductive Physiology and Pathology, Nanchang, China
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Oct-4 and CD44 in epithelial stem cells like of benign odontogenic lesions. Histochem Cell Biol 2018; 150:371-377. [PMID: 29971493 DOI: 10.1007/s00418-018-1692-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/29/2018] [Indexed: 10/28/2022]
Abstract
Benign epithelial odontogenic lesions are great clinical importance entities that develop in the jaws from the tissues that form teeth. It has been shown that benign and malignant tumors are present in a large number of tumor stem cells, which has great implications in the development of these lesions. Oct-4 and CD44 have been demonstrated as important markers for tumoral stem cells. The aim of this study was investigate the presence of stem cell markers Oct-4 and CD44 in benign epithelial odontogenic lesions. Twenty odontogenic keratocysts (OKC), 20 ameloblastomas (AMB) of the solid/multicystic type and 20 adenomatoid odontogenic tumors (AOT) were retrospectively analyzed for immunohistochemical detection of Oct-4 and CD44 in their epithelial component. All cases were positive for the two markers, with the majority exhibiting a high expression. Analysis of the expression of Oct-4 revealed no statistically significant differences (p = 0.406) between the lesions studied. Regarding CD44, there was a significant difference between the cases of AMB and AOT in relation with OKC, with the latter presenting a greater labelling (p = 0.034). No statistically significant correlation between Oct-4 and CD44 was observed in the lesions. In our findings, the presence of stem cell-like phenotype at various sites of the epithelial component of the odontogenic lesions was identified, suggesting its possible participation in histogenesis and differentiation without, however, exerting influence on the aggressiveness of the lesions.
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Fan Z, Xia H, Xu H, Ma J, Zhou S, Hou W, Tang Q, Gong Q, Nie Y, Bi F. Standard CD44 modulates YAP1 through a positive feedback loop in hepatocellular carcinoma. Biomed Pharmacother 2018; 103:147-156. [PMID: 29649630 DOI: 10.1016/j.biopha.2018.03.042] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2017] [Revised: 03/09/2018] [Accepted: 03/09/2018] [Indexed: 02/07/2023] Open
Abstract
High expression levels of CD44 and YAP have been identified as poor prognostic factors in hepatocellular carcinoma (HCC). However, the mechanistic relationship between CD44 and YAP during HCC tumorigenesis remains largely unknown. To investigate the mutual regulation between standard CD44 (CD44S) and YAP1 in HCC cell lines and tissue samples, CD44S and YAP1 expression in 40 pairs of tumor samples and matched distal normal tissues from HCC patients was examined by immunohistochemical staining. High expression of either CD44S or YAP1 was associated with a younger age and worse pathology grade. In addition, high levels of CD44S and YAP1 were associated with increased vascular invasion and more severe liver cirrhosis, respectively. CD44S expression was positively correlated with YAP1 expression in these HCC tissues. In vitro experiments suggested that CD44S could positively regulate the expression of YAP1 and its target genes via the PI3K/Akt pathway in HCC cells. Moreover, CD44S is regulated by the YAP1/TEAD axis. These results reveal a novel positive feedback loop involving CD44S and YAP1, in which CD44S functions as both an upstream regulator and a downstream effector of YAP1 in HCC. This feedback loop might constitute a broadly conserved module for regulating cell proliferation and invasion during HCC tumorigenesis. Blocking this positive feedback loop that involves CD44S and YAP1 might represent a new approach for HCC treatment.
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Affiliation(s)
- Zhenhai Fan
- Department of Medical Oncology and Laboratory of Molecular Targeted Therapy in Oncology, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, PR China; Key Laboratory of Cell Engineering of Guizhou, The Affiliated Hospital of Zunyi Medical College, Zunyi, Guizhou, 573003, PR China
| | - Hongwei Xia
- Department of Medical Oncology and Laboratory of Molecular Targeted Therapy in Oncology, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, PR China
| | - Huanji Xu
- Department of Medical Oncology and Laboratory of Molecular Targeted Therapy in Oncology, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, PR China
| | - Ji Ma
- Department of Medical Oncology and Laboratory of Molecular Targeted Therapy in Oncology, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, PR China; Department of Breast Surgery, Lanzhou General Hospital of PLA, Lanzhou, Gansu, 730000, PR China
| | - Sheng Zhou
- Department of Medical Oncology and Laboratory of Molecular Targeted Therapy in Oncology, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, PR China
| | - Wanting Hou
- Department of Medical Oncology and Laboratory of Molecular Targeted Therapy in Oncology, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, PR China
| | - Qiulin Tang
- Department of Medical Oncology and Laboratory of Molecular Targeted Therapy in Oncology, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, PR China
| | - Qiyong Gong
- Department of Radiology, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, PR China
| | - Yongzhan Nie
- State Key Laboratory of Cancer Biology & Xijing Hospital of Digest Diseases, Fourth Military Medical University, Xi'an, Shanxi, 710032, PR China
| | - Feng Bi
- Department of Medical Oncology and Laboratory of Molecular Targeted Therapy in Oncology, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, PR China.
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Liu S, Miao R, Zhai M, Pang Q, Deng Y, Liu S, Qu K, Liu C, Zhang J. Effects and related mechanisms of serotonin on malignant biological behavior of hepatocellular carcinoma via regulation of Yap. Oncotarget 2018; 8:47412-47424. [PMID: 28537892 PMCID: PMC5564575 DOI: 10.18632/oncotarget.17658] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2017] [Accepted: 04/17/2017] [Indexed: 01/17/2023] Open
Abstract
5-hydroxytryptamine (5-HT, serotonin) and Yes-associated protein (Yap), which act as a mitogen and an oncogene, respectively, play an important role in tumors. Here, we investigated whether 5-HT could affect the hepatocarcinogenic process via promoting the activation and expression of Yap, as well as the possible underlying molecular mechanisms. We found that 5-HT promoted hepatoma cell proliferation, invasion and metastasis via regulating Yap expression in vitro and in vivo, and Yap knockdown had opposite effects. Furthermore, 5-HT activated 5-HT2BR to promote Yap expression via upregulating the pERK level. Inhibitors of 5-HT2BR and ERK attenuated the overexpression of Yap and promotional effects of 5-HT in vitro and in vivo. As a result, 5-HT affected the malignant biological behavior of hepatoma cells via the 5-HT-5-HT2BR-pERK-Yap axis. Therefore, 5-HT and Yap may be prognostic predictors and potential therapeutic targets for HCC patients in the future.
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Affiliation(s)
- Sushun Liu
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.,Department of General Surgery, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Runchen Miao
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Mimi Zhai
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Qing Pang
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Yan Deng
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Sinan Liu
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Kai Qu
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Chang Liu
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.,Department of SICU, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Jingyao Zhang
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.,Department of SICU, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
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Tsubouchi K, Minami K, Hayashi N, Yokoyama Y, Mori S, Yamamoto H, Koizumi M. The CD44 standard isoform contributes to radioresistance of pancreatic cancer cells. JOURNAL OF RADIATION RESEARCH 2017; 58:816-826. [PMID: 29106581 PMCID: PMC5710530 DOI: 10.1093/jrr/rrx033] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/21/2017] [Indexed: 05/08/2023]
Abstract
Resistance to chemoradiotherapy is one reason for the increased recurrence rate of pancreatic cancer after these therapies. These cells change the expression levels of several proteins, such as epithelial-mesenchymal transition (EMT), while acquiring the chemo- or radio-resistance. In this study, we focused on CD44, a pancreatic cancer stem cell marker. CD44 has isoforms with different functions: standard isoform (CD44s) and several variant isoforms (CD44v). However, little is known about the roles of these isoforms after ionizing irradiation. The purpose of this study was to investigate the role of CD44 isoforms in radioresistance of pancreatic cancer cells. AsPC-1 (a human pancreatic cancer cell line) was irradiated with 4 MV X-rays. The mRNA and protein levels of CD44s were strongly upregulated, dose dependently, compared with CD44v after irradiation. Thus, we further investigated CD44s at the point of cell proliferation. We evaluated cell proliferation and survival, using CD44s knockdown cells. CD44s knockdown did not change the proliferation rate for up to 72 h after the irradiation, but decreased cell viability in the colony formation assay. As one of the reasons for these effects, we found downregulation of phosphorylated extracellular signal-regulated kinase (Erk; which is involved with cell proliferation) by CD44s knockdown, time dependently. Moreover, radiation-induced EMT-like expression changes were detected and suppressed by CD44s knockdown. In conclusion, our work demonstrated that CD44 standard isoform was especially upregulated after high-dose X-ray irradiation in several isoforms of CD44 and contributed to longer-term cell survival after the irradiation through the maintenance of Erk phosphorylation and radiation-induced EMT.
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Affiliation(s)
- Kento Tsubouchi
- Department of Medical Physics and Engineering, Division of Health Sciences, Graduate School of Medicine, Osaka University, 1-7 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Kazumasa Minami
- Department of Medical Physics and Engineering, Division of Health Sciences, Graduate School of Medicine, Osaka University, 1-7 Yamadaoka, Suita, Osaka 565-0871, Japan
- Corresponding author. Department of Medical Physics and Engineering, Division of Health Sciences, Graduate School of Medicine, Osaka University, 1-7 Yamadaoka, Suita, Osaka 565-0871, Japan. Tel. and Fax: +81-6-6879-2579;
| | - Naoki Hayashi
- Department of Medical Physics and Engineering, Division of Health Sciences, Graduate School of Medicine, Osaka University, 1-7 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Yuhki Yokoyama
- Department of Molecular Pathology, Division of Health Sciences, Graduate School of Medicine, Osaka University, 1-7 Yamadaoka, Suita, Osaka 565-0871,Japan
| | - Seiji Mori
- Department of Medical Technology, Faculty of Health Sciences, Morinomiya University of Medical Sciences, 1-26-16 Nanko-kita, Suminoe, Osaka 559-8611, Japan
| | - Hirofumi Yamamoto
- Department of Molecular Pathology, Division of Health Sciences, Graduate School of Medicine, Osaka University, 1-7 Yamadaoka, Suita, Osaka 565-0871,Japan
| | - Masahiko Koizumi
- Department of Medical Physics and Engineering, Division of Health Sciences, Graduate School of Medicine, Osaka University, 1-7 Yamadaoka, Suita, Osaka 565-0871, Japan
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Khalafalla FG, Greene S, Khan H, Ilves K, Monsanto MM, Alvarez R, Chavarria M, Nguyen J, Norman B, Dembitsky WP, Sussman MA. P2Y 2 Nucleotide Receptor Prompts Human Cardiac Progenitor Cell Activation by Modulating Hippo Signaling. Circ Res 2017; 121:1224-1236. [PMID: 28923792 DOI: 10.1161/circresaha.117.310812] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/13/2017] [Revised: 09/08/2017] [Accepted: 09/15/2017] [Indexed: 12/31/2022]
Abstract
RATIONALE Autologous stem cell therapy using human c-Kit+ cardiac progenitor cells (hCPCs) is a promising therapeutic approach for treatment of heart failure (HF). However, hCPCs derived from aged patients with HF with genetic predispositions and comorbidities of chronic diseases exhibit poor proliferative and migratory capabilities, which impair overall reparative potential for injured myocardium. Therefore, empowering functionally compromised hCPCs with proregenerative molecules ex vivo is crucial for improving the therapeutic outcome in patients with HF. OBJECTIVE To improve hCPC proliferation and migration responses that are critical for regeneration by targeting proregenerative P2Y2 nucleotide receptor (P2Y2R) activated by extracellular ATP and UTP molecules released following injury/stress. METHODS AND RESULTS c-Kit+ hCPCs were isolated from cardiac tissue of patients with HF undergoing left ventricular assist device implantation surgery. Correlations between P2 nucleotide receptor expression and hCPC growth kinetics revealed downregulation of select P2 receptors, including P2Y2R, in slow-growing hCPCs compared with fast growers. hCPC proliferation and migration significantly improved by overexpressing or stimulating P2Y2R. Mechanistically, P2Y2R-induced proliferation and migration were dependent on activation of YAP (yes-associated protein)-the downstream effector of Hippo signaling pathway. CONCLUSIONS Proliferation and migration of functionally impaired hCPCs are enhanced by P2Y2R-mediated YAP activation, revealing a novel link between extracellular nucleotides released during injury/stress and Hippo signaling-a central regulator of cardiac regeneration. Functional correlations exist between hCPC phenotypic properties and P2 purinergic receptor expression. Lack of P2Y2R and other crucial purinergic stress detectors could compromise hCPC responsiveness to presence of extracellular stress signals. These findings set the stage for subsequent studies to assess purinergic signaling modulation as a potential strategy to improve therapeutic outcome for use of hCPCs in patients with HF.
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Affiliation(s)
- Farid G Khalafalla
- From the SDSU Heart Research Institute, San Diego State University, CA (F.G.K., S.G., H.K., K.I., M.M.M., R.A., M.C., J.N., B.N., M.A.S.); and Sharp Memorial Hospital, San Diego, CA (W.P.D.)
| | - Steven Greene
- From the SDSU Heart Research Institute, San Diego State University, CA (F.G.K., S.G., H.K., K.I., M.M.M., R.A., M.C., J.N., B.N., M.A.S.); and Sharp Memorial Hospital, San Diego, CA (W.P.D.)
| | - Hashim Khan
- From the SDSU Heart Research Institute, San Diego State University, CA (F.G.K., S.G., H.K., K.I., M.M.M., R.A., M.C., J.N., B.N., M.A.S.); and Sharp Memorial Hospital, San Diego, CA (W.P.D.)
| | - Kelli Ilves
- From the SDSU Heart Research Institute, San Diego State University, CA (F.G.K., S.G., H.K., K.I., M.M.M., R.A., M.C., J.N., B.N., M.A.S.); and Sharp Memorial Hospital, San Diego, CA (W.P.D.)
| | - Megan M Monsanto
- From the SDSU Heart Research Institute, San Diego State University, CA (F.G.K., S.G., H.K., K.I., M.M.M., R.A., M.C., J.N., B.N., M.A.S.); and Sharp Memorial Hospital, San Diego, CA (W.P.D.)
| | - Roberto Alvarez
- From the SDSU Heart Research Institute, San Diego State University, CA (F.G.K., S.G., H.K., K.I., M.M.M., R.A., M.C., J.N., B.N., M.A.S.); and Sharp Memorial Hospital, San Diego, CA (W.P.D.)
| | - Monica Chavarria
- From the SDSU Heart Research Institute, San Diego State University, CA (F.G.K., S.G., H.K., K.I., M.M.M., R.A., M.C., J.N., B.N., M.A.S.); and Sharp Memorial Hospital, San Diego, CA (W.P.D.)
| | - Jonathan Nguyen
- From the SDSU Heart Research Institute, San Diego State University, CA (F.G.K., S.G., H.K., K.I., M.M.M., R.A., M.C., J.N., B.N., M.A.S.); and Sharp Memorial Hospital, San Diego, CA (W.P.D.)
| | - Benjamin Norman
- From the SDSU Heart Research Institute, San Diego State University, CA (F.G.K., S.G., H.K., K.I., M.M.M., R.A., M.C., J.N., B.N., M.A.S.); and Sharp Memorial Hospital, San Diego, CA (W.P.D.)
| | - Walter P Dembitsky
- From the SDSU Heart Research Institute, San Diego State University, CA (F.G.K., S.G., H.K., K.I., M.M.M., R.A., M.C., J.N., B.N., M.A.S.); and Sharp Memorial Hospital, San Diego, CA (W.P.D.)
| | - Mark A Sussman
- From the SDSU Heart Research Institute, San Diego State University, CA (F.G.K., S.G., H.K., K.I., M.M.M., R.A., M.C., J.N., B.N., M.A.S.); and Sharp Memorial Hospital, San Diego, CA (W.P.D.).
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Khakshour S, Labrecque MP, Esmaeilsabzali H, Lee FJS, Cox ME, Park EJ, Beischlag TV. Retinoblastoma protein (Rb) links hypoxia to altered mechanical properties in cancer cells as measured by an optical tweezer. Sci Rep 2017; 7:7833. [PMID: 28798482 PMCID: PMC5552853 DOI: 10.1038/s41598-017-07947-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2016] [Accepted: 07/06/2017] [Indexed: 12/18/2022] Open
Abstract
Hypoxia modulates actin organization via multiple pathways. Analyzing the effect of hypoxia on the biophysical properties of cancer cells is beneficial for studying modulatory signalling pathways by quantifying cytoskeleton rearrangements. We have characterized the biophysical properties of human LNCaP prostate cancer cells that occur in response to loss of the retinoblastoma protein (Rb) under hypoxic stress using an oscillating optical tweezer. Hypoxia and Rb-loss increased cell stiffness in a fashion that was dependent on activation of the extracellular signal-regulated kinase (ERK) and the protein kinase B (AKT)- mammalian target of rapamycin (MTOR) pathways. Pharmacological inhibition of MEK1/2, AKT or MTOR impeded hypoxia-inducible changes in the actin cytoskeleton and inhibited cell migration in Rb-deficient cells conditioned with hypoxia. These results suggest that loss of Rb in transformed hypoxic cancer cells affects MEK1/2-ERK/AKT-MTOR signalling and promotes motility. Thus, the mechanical characterization of cancer cells using an optical tweezer provides an additional technique for cancer diagnosis/prognosis and evaluating therapeutic performance.
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Affiliation(s)
- S Khakshour
- School of Mechatronic Systems Engineering, Faculty of Applied Sciences, Simon Fraser University, Surrey, BC, Canada
| | - M P Labrecque
- Faculty of Health Sciences, Simon Fraser University, Burnaby, BC, Canada
| | - H Esmaeilsabzali
- School of Mechatronic Systems Engineering, Faculty of Applied Sciences, Simon Fraser University, Surrey, BC, Canada
| | - F J S Lee
- Faculty of Health Sciences, Simon Fraser University, Burnaby, BC, Canada
| | - M E Cox
- Department of Urologic Sciences, The Vancouver Prostate Centre, University of British Columbia, Vancouver, British Columbia, Canada
| | - E J Park
- School of Mechatronic Systems Engineering, Faculty of Applied Sciences, Simon Fraser University, Surrey, BC, Canada. .,Faculty of Health Sciences, Simon Fraser University, Burnaby, BC, Canada.
| | - T V Beischlag
- Faculty of Health Sciences, Simon Fraser University, Burnaby, BC, Canada.
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38
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Shen C, Song YH, Xie Y, Wang X, Wang Y, Wang C, Liu S, Xue SL, Li Y, Liu B, Tang Z, Chen W, Song J, Amin HM, Zhou J. Downregulation of HADH promotes gastric cancer progression via Akt signaling pathway. Oncotarget 2017; 8:76279-76289. [PMID: 29100311 PMCID: PMC5652705 DOI: 10.18632/oncotarget.19348] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2017] [Accepted: 06/30/2017] [Indexed: 01/23/2023] Open
Abstract
HADH is a key enzyme in fatty acid oxidation. The aim of this study was to identify the role of HADH in gastric cancer. We analyzed the expression of HADH in 102 pairs of gastric cancer samples. Western blot analysis revealed that HADH was decreased in stage I/II gastric cancer samples compared to matched adjacent normal gastric tissue, and its expression was further decreased in stage III/IV samples. Importantly, the reduced expression of HADH was associated with increased expression of p-Akt and reduced expression of PTEN in the gastric carcinoma tumor samples. To determine the significance of HADH downregulation in gastric cancer progression, we tested the impact of HADH knockdown or overexpression on the migration and invasion of the gastric cancer cells using a transwell assay. Knockdown of HADH significantly promoted gastric cancer cell migration and invasion, which was associated with increased expression of p-Akt. The PI3K inhibitor LY294002 inhibited HADH shRNA induced migration/invasion, and abolished the upregulation of p-Akt. By contrast, HADH overexpression inhibited the migration and invasion of MKN45 cells. Herein, for the first time, we demonstrate that downregulation of HADH promotes gastric cancer progression via activation of Akt signaling pathway.
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Affiliation(s)
- Congcong Shen
- Cyrus Tang Hematology Center, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, P. R. China
| | - Yao-Hua Song
- Cyrus Tang Hematology Center, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, P. R. China
| | - Yufeng Xie
- Department of Oncology, The First Affiliated Hospital of Soochow University, Suzhou, P. R. China
| | - Xiaoxiao Wang
- Cyrus Tang Hematology Center, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, P. R. China
| | - Yunliang Wang
- Department of General Surgery, The First Affiliated Hospital of Soochow University, Suzhou, P. R. China
| | - Chao Wang
- Department of Gastroenterology, The First Affiliated Hospital of Soochow University, Suzhou, P. R. China
| | - Songbai Liu
- Suzhou Vocational Health College, Suzhou Key Laboratory of Biotechnology for Laboratory Medicine, Suzhou, P. R. China
| | - Sheng-Li Xue
- Department of Hematology, The First Affiliated Hospital of Soochow University, Jiangsu Institute of Hematology, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, P. R. China
| | - Yangxin Li
- Department of Cardiovascular Surgery & Institute of Cardiovascular Science, First Affiliated Hospital of Soochow University, Suzhou, P. R. China
| | - Bin Liu
- Department of Cardiology, Second Hospital of Jilin University, Changchun, P. R. China
| | - Zaixiang Tang
- Department of Biostatistics, School of Public Health, Medical College of Soochow University, Suzhou, P. R. China
| | - Weichang Chen
- Department of Gastroenterology, The First Affiliated Hospital of Soochow University, Suzhou, P. R. China
| | - Jenny Song
- Cyrus Tang Hematology Center, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, P. R. China
| | - Hesham M Amin
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Jin Zhou
- Department of General Surgery, The First Affiliated Hospital of Soochow University, Suzhou, P. R. China
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Li X, Liu Y, Zhang C, Niu Q, Wang H, Che C, Xie M, Zhou B, Xu Y, Zhang Q, Wu J, Tian Z. Stiehopus japonieus acidic mucopolysaccharide inhibits the proliferation of pancreatic cancer SW1990 cells through Hippo-YAP pathway. Oncotarget 2017; 8:16356-16366. [PMID: 28099921 PMCID: PMC5369968 DOI: 10.18632/oncotarget.14633] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2016] [Accepted: 01/04/2017] [Indexed: 02/06/2023] Open
Abstract
Previous studies have indicated that stiehopus japonieus acidic mucopolysaccharide (SJAMP) could inhibit the proliferation of pancreatic cancer cell SW1990. However, the mechanism remains unclear. In our study, YAP expression was identified by immunohistochemistry and quantitative Real-time PCR from 45 pairs of human pancreatic ductal adenocarcinoma (PDAC) tissues and their adjacent non-tumor samples. We found that the YAP expression was associated with the histological differentiation degree, and negatively correlated with pancreatic cancer patients’ survival. More YAP localization in nuclear and enhanced expression of YAP mRNA in pancreatic cancer tissue was found in comparison with in the normal tissue. These results identify YAP acts as an amazing regulator in the pathogenesis of pancreatic cancer. After affected by SJAMP, YAP and TEAD1 were down regulated, while MST1 and pYAP were upregulated gradually with the prolong of effect time. SJAMP also improved YAP phosphorylation, nuclear-to-cytoplasmic translocation and inactivation. After successfully knocked-down by YAP siRNA, the inhibition of proliferation of SJAMP to cancer cells was attenuated. Interestingly, we indicated a down-regulation of that TEAD with SJAMP 4 mg/ml, 8 mg/ml for 24 h and with 8 mg/ml SJAMP for 24 h, 48 h even after YAP silencing. That might mean that the SJAMP has other targets, not only YAP, to downregulate TEAD. We proposed a hypothesis that Hippo-YAP pathway involved in carcinogenesis of pancreatic cancer and in the inhibition effect of SJAMP to the proliferation of pancreatic cancer cell, although maybe not the sole signaling pathway.
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Affiliation(s)
- Xiaoyu Li
- Department of Gastroenterology, The Affiliated Hospital of Qingdao University, Qingdao 266003, China
| | - Yi Liu
- Department of Gastroenterology, Shanxian Central Hospital, Heze 274000, China
| | - Cuiping Zhang
- Department of Gastroenterology, The Affiliated Hospital of Qingdao University, Qingdao 266003, China
| | - Qinghui Niu
- Department of Infectious Diseases, The Affiliated Hospital of Qingdao University, Qingdao 266003, China
| | - Hui Wang
- Department of Infectious Diseases, The Affiliated Hospital of Qingdao University, Qingdao 266003, China
| | - Cong Che
- Department of Gastroenterology, The Affiliated Hospital of Qingdao University, Qingdao 266003, China
| | - Man Xie
- Department of Gastroenterology, The Affiliated Hospital of Qingdao University, Qingdao 266003, China
| | - Bin Zhou
- Department of Hepatobiliary Surgery, The Affiliated Hospital of Qingdao University, Qingdao 266003, China
| | - Yonghong Xu
- Department of Gastroenterology, The Affiliated Hospital of Qingdao University, Qingdao 266003, China
| | - Qi Zhang
- Department of Gastroenterology, The Affiliated Hospital of Qingdao University, Qingdao 266003, China
| | - Jun Wu
- Department of Gastroenterology, The Affiliated Hospital of Qingdao University, Qingdao 266003, China
| | - Zibin Tian
- Department of Gastroenterology, The Affiliated Hospital of Qingdao University, Qingdao 266003, China
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40
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Bi Y, Wang G, Liu X, Wei M, Zhang Q. Low-after-high glucose down-regulated Cx43 in H9c2 cells by autophagy activation via cross-regulation by the PI3K/Akt/mTOR and MEK/ERK 1/2 signal pathways. Endocrine 2017; 56:336-345. [PMID: 28181145 DOI: 10.1007/s12020-017-1251-3] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/08/2016] [Accepted: 01/30/2017] [Indexed: 12/19/2022]
Abstract
PURPOSE Hypoglycemia in diabetes is a strong predictor of cardiovascular events. High-glucose have been reported to alter connexin43 expression and to promote autophagy in cardiomyocytes. We investigated whether low-after-high glucose would influence connexin43 expression and autophagy in H9c2 cells. METHODS H9c2 cells were incubated in 33.3 mM glucose for 24 h followed by 2.5 mM glucose for 2, 4, 6, or 12 h with or without chloroquine (autophagy inhibitor), U0126 (MEK1/2 inhibitor) or LY294002 (PI3K inhibitor). Cells incubated in 5.5, 33.3, or 2.5 mM glucose with or without inhibitors and in the presence of mannitol were used as controls. Protein expression was assayed by western blot, apoptosis was assayed by flow cytometry, cell proliferation was determined by MTT assays, and cytotoxicity was assayed by lactate dehydrogenase measurement. RESULTS Cytotoxicity and early apoptosis were increased and cell proliferation was decreased after exposure to low-after-high glucose, and these results were reversed by chloroquine and U0126 but were aggravated by LY294002. Connexin43 expression was downregulated in a time-dependent manner and was accompanied by upregulated expression of LC3-II, Beclin-1, p62, p-Akt, p-mTOR, and p-ERK1/2. Chloroquine suppressed autophagy and reversed the downregulation of connexin43. U0126 inhibited ERK activation and decreased autophagy proteins expression but increased connexin43 expression. LY294002 suppressed p-Akt, activated autophagy, and decreased connexin43 expression. Interestingly, MEK1/2 inhibition also increased p-Akt expression, but inhibition of PI3K led to p-ERK downregulation. CONCLUSION Culturing H9c2 cells under low-after-high glucose downregulated connexin43 by promoting autophagy through a mechanism involving the PI3K/Akt/mTOR and MEK/ERK1/2 signaling pathways.
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Affiliation(s)
- Yaguang Bi
- Department of Cardiology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Guangyu Wang
- Department of Cardiology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Xiangdong Liu
- Department of Cardiology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Meng Wei
- Department of Cardiology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Qingyong Zhang
- Department of Cardiology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China.
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41
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Yu S, Cai X, Wu C, Liu Y, Zhang J, Gong X, Wang X, Wu X, Zhu T, Mo L, Gu J, Yu Z, Chen J, Thiery JP, Chai R, Chen L. Targeting HSP90-HDAC6 Regulating Network Implicates Precision Treatment of Breast Cancer. Int J Biol Sci 2017; 13:505-517. [PMID: 28529458 PMCID: PMC5436570 DOI: 10.7150/ijbs.18834] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2016] [Accepted: 02/07/2017] [Indexed: 12/20/2022] Open
Abstract
Breast cancer is the leading cause of women death. Heat shock protein 90 (HSP90) and Histone deacetylase 6 (HDAC6) are promising anti-cancer drug targets. However, it's still unclear the applicability of anti-HSP90 and anti-HDAC6 strategies in precision treatment of breast cancer. In current study, we found that triple negative breast cancer (TNBC) cells, compared to T47D, an ERα+ breast cancer cell line, exhibited 7~40 times lower IC50 values, stronger cell cycle perturbation, increased cell apoptosis and stronger inhibition of cell migration upon 17-DMAG treatment, while T47D, compared to TNBC cells, expressed higher HDAC6 and showed stronger anti-cancer response upon treatment of Tubacin. Mechanically, 17-DMAG treatment inhibited a complex network consists at least ERK, AKT, and Hippo pathway in TNBC cells, and higher expression of HDAC6 inhibited HSP90 activity via deacetylating HSP90. Furthermore, we found higher HDAC6 expression level in tamoxifen-resistance T47D than that in T47D, and Tubacin treatment suppressed the growth of tamoxifen-resistant cells in vivo. Our data suggested that anti-HSP90 and anti-HDAC6 are promising strategies to treat TNBC and ERα+ breast cancers respectively, and anti-HDAC6 can be considered during treatment of tamoxifen-resistance breast cancers.
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Affiliation(s)
- Shiyi Yu
- Jiangsu Key Laboratory for Molecular and Medical Biotechnology, College of Life Science, Nanjing Normal University, Nanjing 210046, P.R. China.,The Key Laboratory of Developmental Genes and Human Disease, Ministry of Education, Institute of Life Science, Southeast University, Nanjing 210096, P.R. China
| | - Xiuxiu Cai
- Jiangsu Key Laboratory for Molecular and Medical Biotechnology, College of Life Science, Nanjing Normal University, Nanjing 210046, P.R. China.,The Key Laboratory of Developmental Genes and Human Disease, Ministry of Education, Institute of Life Science, Southeast University, Nanjing 210096, P.R. China
| | - Chenxi Wu
- Jiangsu Key Laboratory for Molecular and Medical Biotechnology, College of Life Science, Nanjing Normal University, Nanjing 210046, P.R. China.,The Key Laboratory of Developmental Genes and Human Disease, Ministry of Education, Institute of Life Science, Southeast University, Nanjing 210096, P.R. China
| | - Yan Liu
- Jiangsu Key Laboratory for Molecular and Medical Biotechnology, College of Life Science, Nanjing Normal University, Nanjing 210046, P.R. China.,The Key Laboratory of Developmental Genes and Human Disease, Ministry of Education, Institute of Life Science, Southeast University, Nanjing 210096, P.R. China
| | - Jun Zhang
- Jiangsu Key Laboratory for Molecular and Medical Biotechnology, College of Life Science, Nanjing Normal University, Nanjing 210046, P.R. China.,The Key Laboratory of Developmental Genes and Human Disease, Ministry of Education, Institute of Life Science, Southeast University, Nanjing 210096, P.R. China
| | - Xue Gong
- Jiangsu Key Laboratory for Molecular and Medical Biotechnology, College of Life Science, Nanjing Normal University, Nanjing 210046, P.R. China.,The Key Laboratory of Developmental Genes and Human Disease, Ministry of Education, Institute of Life Science, Southeast University, Nanjing 210096, P.R. China
| | - Xin Wang
- Jiangsu Key Laboratory for Molecular and Medical Biotechnology, College of Life Science, Nanjing Normal University, Nanjing 210046, P.R. China.,The Key Laboratory of Developmental Genes and Human Disease, Ministry of Education, Institute of Life Science, Southeast University, Nanjing 210096, P.R. China
| | - Xiaoli Wu
- Institute of Immunology and CAS Key Laboratory of Innate Immunity and Chronic Disease, Innovation Center for Cell Biology, School of Life Sciences and Medical Center, University of Science and Technology of China, Hefei 230027, P. R. China
| | - Tao Zhu
- Institute of Immunology and CAS Key Laboratory of Innate Immunity and Chronic Disease, Innovation Center for Cell Biology, School of Life Sciences and Medical Center, University of Science and Technology of China, Hefei 230027, P. R. China
| | - Lin Mo
- Department of General Surgery, Jinling Hospital, Medical School of Nanjing University, Nanjing 210002, P. R. China
| | - Jun Gu
- Department of General Surgery, Jinling Hospital, Medical School of Nanjing University, Nanjing 210002, P. R. China
| | - Zhenghong Yu
- Department of Medical Oncology, Jinling Hospital, Medical School of Nanjing University, Nanjing 210002, P. R. China
| | - Jinfei Chen
- Department of Oncology, Nanjing First Hospital, Nanjing Medical University, 210006, P. R. China.,Collaborative Innovation Center for Cancer Personalized Medicine, Nanjing Medical University, 210006, P. R. China
| | - Jean Paul Thiery
- Cancer Science Institute, National University of Singapore, 14 Medical Drive, 117599, Singapore.,Institute of Molecular and Cell Biology, ASTAR, 61 Biopolis Drive, 138673, Singapore.,Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore, 8 Medical Drive, 117596, Singapore
| | - Renjie Chai
- The Key Laboratory of Developmental Genes and Human Disease, Ministry of Education, Institute of Life Science, Southeast University, Nanjing 210096, P.R. China.,Co-Innovation Center of Neuroregeneration, Nantong University, Nantong 226001, China.,Jiangsu Provincial Clinical Key Discipline and Laboratory of Otology, Nanjing 210008, China
| | - Liming Chen
- Jiangsu Key Laboratory for Molecular and Medical Biotechnology, College of Life Science, Nanjing Normal University, Nanjing 210046, P.R. China.,The Key Laboratory of Developmental Genes and Human Disease, Ministry of Education, Institute of Life Science, Southeast University, Nanjing 210096, P.R. China
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McFarlane S, McFarlane C, Montgomery N, Hill A, Waugh DJJ. CD44-mediated activation of α5β1-integrin, cortactin and paxillin signaling underpins adhesion of basal-like breast cancer cells to endothelium and fibronectin-enriched matrices. Oncotarget 2017; 6:36762-73. [PMID: 26447611 PMCID: PMC4742209 DOI: 10.18632/oncotarget.5461] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2015] [Accepted: 09/21/2015] [Indexed: 01/02/2023] Open
Abstract
CD44 expression is elevated in basal-like breast cancer (BLBC) tissue, and correlates with increased efficiency of distant metastasis in patients and experimental models. We sought to characterize mechanisms underpinning CD44-promoted adhesion of BLBC cells to vascular endothelial monolayers and extracellular matrix (ECM) substrates. Stimulation with hyaluronan (HA), the native ligand for CD44, increased expression and activation of β1-integrin receptors, and increased α5-integrin subunit expression. Adhesion assays confirmed that CD44-signalling potentiated BLBC cell adhesion to endothelium and Fibronectin in an α5B1-integrin-dependent mechanism. Co-immunoprecipitation experiments confirmed HA-promoted association of CD44 with talin and the β1-integrin chain in BLBC cells. Knockdown of talin inhibited CD44 complexing with β1-integrin and repressed HA-induced, CD44-mediated activation of β1-integrin receptors. Immunoblotting confirmed that HA induced rapid phosphorylation of cortactin and paxillin, through a CD44-dependent and β1-integrin-dependent mechanism. Knockdown of CD44, cortactin or paxillin independently attenuated the adhesion of BL-BCa cells to endothelial monolayers and Fibronectin. Accordingly, we conclude that CD44 induced, integrin-mediated signaling not only underpins efficient adhesion of BLBC cells to BMECs to facilitate extravasation but initiates their adhesion to Fibronectin, enabling penetrant cancer cells to adhere more efficiently to underlying Fibronectin-enriched matrix present within the metastatic niche.
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Affiliation(s)
- Suzanne McFarlane
- Centre for Cancer Research and Cell Biology, Queen's University Belfast, Belfast, Northern Ireland, BT9 7BL, UK
| | - Cheryl McFarlane
- Centre for Cancer Research and Cell Biology, Queen's University Belfast, Belfast, Northern Ireland, BT9 7BL, UK
| | - Nicola Montgomery
- Centre for Cancer Research and Cell Biology, Queen's University Belfast, Belfast, Northern Ireland, BT9 7BL, UK
| | - Ashleigh Hill
- Centre for Cancer Research and Cell Biology, Queen's University Belfast, Belfast, Northern Ireland, BT9 7BL, UK
| | - David J J Waugh
- Centre for Cancer Research and Cell Biology, Queen's University Belfast, Belfast, Northern Ireland, BT9 7BL, UK
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43
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Transposon insertional mutagenesis in mice identifies human breast cancer susceptibility genes and signatures for stratification. Proc Natl Acad Sci U S A 2017; 114:E2215-E2224. [PMID: 28251929 PMCID: PMC5358385 DOI: 10.1073/pnas.1701512114] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Despite concerted efforts to identify causal genes that drive breast cancer (BC) initiation and progression, we have yet to establish robust signatures to stratify patient risk. Here we used in vivo transposon-based forward genetic screening to identify potentially relevant BC driver genes. Integrating this approach with survival prediction analysis, we identified six gene pairs that could prognose human BC subtypes into high-, intermediate-, and low-risk groups with high confidence and reproducibility. Furthermore, we identified susceptibility gene sets for basal and claudin-low subtypes (21 and 16 genes, respectively) that stratify patients into three relative risk subgroups. These signatures offer valuable prognostic insight into the genetic basis of BC and allow further exploration of the interconnectedness of BC driver genes during disease progression. Robust prognostic gene signatures and therapeutic targets are difficult to derive from expression profiling because of the significant heterogeneity within breast cancer (BC) subtypes. Here, we performed forward genetic screening in mice using Sleeping Beauty transposon mutagenesis to identify candidate BC driver genes in an unbiased manner, using a stabilized N-terminal truncated β-catenin gene as a sensitizer. We identified 134 mouse susceptibility genes from 129 common insertion sites within 34 mammary tumors. Of these, 126 genes were orthologous to protein-coding genes in the human genome (hereafter, human BC susceptibility genes, hBCSGs), 70% of which are previously reported cancer-associated genes, and ∼16% are known BC suppressor genes. Network analysis revealed a gene hub consisting of E1A binding protein P300 (EP300), CD44 molecule (CD44), neurofibromin (NF1) and phosphatase and tensin homolog (PTEN), which are linked to a significant number of mutated hBCSGs. From our survival prediction analysis of the expression of human BC genes in 2,333 BC cases, we isolated a six-gene-pair classifier that stratifies BC patients with high confidence into prognostically distinct low-, moderate-, and high-risk subgroups. Furthermore, we proposed prognostic classifiers identifying three basal and three claudin-low tumor subgroups. Intriguingly, our hBCSGs are mostly unrelated to cell cycle/mitosis genes and are distinct from the prognostic signatures currently used for stratifying BC patients. Our findings illustrate the strength and validity of integrating functional mutagenesis screens in mice with human cancer transcriptomic data to identify highly prognostic BC subtyping biomarkers.
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44
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Song MH, Kim YR, Bae JH, Shin DH, Lee SY. A cancer/testis antigen, NY-SAR-35, induces EpCAM, CD44, and CD133, and activates ERK in HEK293 cells. Biochem Biophys Res Commun 2017; 484:298-303. [PMID: 28126340 DOI: 10.1016/j.bbrc.2017.01.105] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2017] [Accepted: 01/21/2017] [Indexed: 12/19/2022]
Abstract
The cancer/testis (CT) antigen NY-SAR-35 gene is located on the X chromosome and is aberrantly expressed in various cancers but not in normal tissues, other than testes. Previously, we reported the expression of NY-SAR-35 enhanced cell growth, proliferation, and invasion in HEK293 and cancer cells. To extend understanding of the NY-SAR-35 gene, we used a next generation sequencing (NGS) approach. NY-SAR-35 expression induced growth, proliferation, metastasis, and stemness genes, as indicated by the up-regulations of CXCR4, EpCAM, CD133, and CD44, at the mRNA and protein levels. The expression of NY-SAR-35 in HEK293 cells significantly increased ERK phosphorylation, but not the phosphorylation of AKT. In HEK293/NY-SAR-35 cells, the expressions of pro-apoptotic proteins, including p53, Bax, and p21, were reduced and that of cyclin E was increased. Also, NY-SAR-35 increased the expressions of pluripotency genes (Nanog, Oct-4, and Sox2) and the ability of HEK293 cells to form colonies. Taken together, the present study indicates NY-SAR-35 functions as a CT antigen that triggers oncogenesis and self-renewal.
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Affiliation(s)
- Myung-Ha Song
- Department of Biochemistry, School of Medicine, Pusan National University, Yangsan, 626-870, Gyeongsangnam-do, Republic of Korea
| | - Ye-Rin Kim
- Department of Biochemistry, School of Medicine, Pusan National University, Yangsan, 626-870, Gyeongsangnam-do, Republic of Korea
| | - Jae-Ho Bae
- Department of Biochemistry, School of Medicine, Pusan National University, Yangsan, 626-870, Gyeongsangnam-do, Republic of Korea
| | - Dong-Hoon Shin
- Department of Pathology, School of Medicine, Pusan National University, Yangsan, 626-870, Gyeongsangnam-do, Republic of Korea
| | - Sang-Yull Lee
- Department of Biochemistry, School of Medicine, Pusan National University, Yangsan, 626-870, Gyeongsangnam-do, Republic of Korea.
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45
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Tanaka K, Osada H, Murakami-Tonami Y, Horio Y, Hida T, Sekido Y. Statin suppresses Hippo pathway-inactivated malignant mesothelioma cells and blocks the YAP/CD44 growth stimulatory axis. Cancer Lett 2017; 385:215-224. [DOI: 10.1016/j.canlet.2016.10.020] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2016] [Revised: 09/28/2016] [Accepted: 10/10/2016] [Indexed: 12/12/2022]
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46
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Zhang X, Hua R, Wang X, Huang M, Gan L, Wu Z, Zhang J, Wang H, Cheng Y, Li J, Guo W. Identification of stem-like cells and clinical significance of candidate stem cell markers in gastric cancer. Oncotarget 2016; 7:9815-31. [PMID: 26769843 PMCID: PMC4891086 DOI: 10.18632/oncotarget.6890] [Citation(s) in RCA: 76] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2015] [Accepted: 12/29/2015] [Indexed: 12/14/2022] Open
Abstract
The existence of gastric cancer stem cells (CSCs) has not been definitively proven and specific cell surface markers for identifying gastric CSCs have largely not been identified. Our research aimed to isolate potential gastric CSCs and clarify their clinical significance, while defining markers for GCSC identification and verification. Here, we report that spheroid cells possess stem cell-like properties, and overexpress certain stem cell markers. CD133 or CD44-positive cells also exhibit properties of CSCs. The expression of Oct4, Sox2, Gli1, CD44, CD133, p-AKT, and p-ERK was significantly higher in metastatic lesions compared to that in primary lesions. Elevated expression of some of these proteins was correlated with a more aggressive phenotype and poorer prognosis, including Oct4, Sox2, Gli1, CD44, and p-ERK. Multivariate Cox proportional hazards model analysis showed that only CD44 is an independent factor. Knockdown of CD44 down-regulated the stem cell-like properties, which was accompanied by the down-regulation of p-ERK and Oct4. Oct4 overexpression could reverse the decreased CSCs properties induced by CD44 knockdown. Taken together, our research revealed that spheroid cell culture, and CD133 or CD44-labeled FACS methods can be used to isolate gastric CSCs. Some CSC markers have clinical significance in predicting the prognosis. CD44 is an independent prognostic factor and maintains the properties of CSCs in CD44-p-ERK-Oct4 positive feedback loop.
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Affiliation(s)
- Xiaowei Zhang
- Department of Medical Oncology, Fudan University Shanghai Cancer Center, Shanghai, China.,Department of Oncology, Shanghai Medical College, Fudan University, Cancer Hospital of Fudan University, Shanghai, China
| | - Ruixi Hua
- Department of Medical Oncology, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, Guangdong, China
| | - Xiaofeng Wang
- Department of Medical Oncology, Fudan University Shanghai Cancer Center, Shanghai, China.,Department of Oncology, Shanghai Medical College, Fudan University, Cancer Hospital of Fudan University, Shanghai, China
| | - Mingzhu Huang
- Department of Medical Oncology, Fudan University Shanghai Cancer Center, Shanghai, China.,Department of Oncology, Shanghai Medical College, Fudan University, Cancer Hospital of Fudan University, Shanghai, China
| | - Lu Gan
- Department of Medical Oncology, Fudan University Shanghai Cancer Center, Shanghai, China.,Department of Oncology, Shanghai Medical College, Fudan University, Cancer Hospital of Fudan University, Shanghai, China
| | - Zhenhua Wu
- Department of Medical Oncology, Fudan University Shanghai Cancer Center, Shanghai, China.,Department of Oncology, Shanghai Medical College, Fudan University, Cancer Hospital of Fudan University, Shanghai, China
| | - Jiejun Zhang
- Department of Medical Oncology, Fudan University Shanghai Cancer Center, Shanghai, China.,Department of Oncology, Shanghai Medical College, Fudan University, Cancer Hospital of Fudan University, Shanghai, China
| | - Hongqiang Wang
- Department of Cancer Chemotherapy Center, Zhoushan Hospital, Zhejiang, China
| | - Yufan Cheng
- Department of Medical Oncology, Fudan University Shanghai Cancer Center, Shanghai, China.,Department of Oncology, Shanghai Medical College, Fudan University, Cancer Hospital of Fudan University, Shanghai, China
| | - Jin Li
- Department of Medical Oncology, Fudan University Shanghai Cancer Center, Shanghai, China.,Department of Oncology, Shanghai Medical College, Fudan University, Cancer Hospital of Fudan University, Shanghai, China
| | - Weijian Guo
- Department of Medical Oncology, Fudan University Shanghai Cancer Center, Shanghai, China.,Department of Oncology, Shanghai Medical College, Fudan University, Cancer Hospital of Fudan University, Shanghai, China
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47
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Roeder SS, Barnes TJ, Lee JS, Kato I, Eng DG, Kaverina NV, Sunseri MW, Daniel C, Amann K, Pippin JW, Shankland SJ. Activated ERK1/2 increases CD44 in glomerular parietal epithelial cells leading to matrix expansion. Kidney Int 2016; 91:896-913. [PMID: 27998643 DOI: 10.1016/j.kint.2016.10.015] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2016] [Revised: 09/19/2016] [Accepted: 10/06/2016] [Indexed: 10/20/2022]
Abstract
The glycoprotein CD44 is barely detected in normal mouse and human glomeruli, but is increased in glomerular parietal epithelial cells following podocyte injury in focal segmental glomerulosclerosis (FSGS). To determine the biological role and regulation of CD44 in these cells, we employed an in vivo and in vitro approach. Experimental FSGS was induced in CD44 knockout and wild-type mice with a cytotoxic podocyte antibody. Albuminuria, focal and global glomerulosclerosis (periodic acid-Schiff stain), and collagen IV staining were lower in CD44 knockout compared with wild-type mice with FSGS. Parietal epithelial cells had lower migration from Bowman's capsule to the glomerular tuft in CD44 knockout mice with disease compared with wild type mice. In cultured murine parietal epithelial cells, overexpressing CD44 with a retroviral vector encoding CD44 was accompanied by significantly increased collagen IV expression and parietal epithelial cell migration. Because our results showed de novo co-staining for activated ERK1/2 (pERK) in parietal epithelial cells in experimental FSGS, and also in biopsies from patients with FSGS, two in vitro strategies were employed to prove that pERK regulated CD44 levels. First, mouse parietal epithelial cells were infected with a retroviral vector for the upstream kinase MEK-DD to increase pERK, which was accompanied by increased CD44 levels. Second, in CD44-overexpressing parietal epithelial cells, decreasing pERK with U0126 was accompanied by reduced CD44. Finally, parietal epithelial cell migration was higher in cells with increased and reduced in cells with decreased pERK. Thus, pERK is a regulator of CD44 expression, and increased CD44 expression leads to a pro-sclerotic and migratory parietal epithelial cell phenotype.
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Affiliation(s)
- Sebastian S Roeder
- Division of Nephrology, University of Washington, Seattle, Washington, USA; Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - Taylor J Barnes
- Division of Nephrology, University of Washington, Seattle, Washington, USA; Department of Biology, Oregon State University, Corvallis, Oregon, USA
| | - Jonathan S Lee
- Division of Nephrology, University of Washington, Seattle, Washington, USA
| | - India Kato
- Division of Nephrology, University of Washington, Seattle, Washington, USA
| | - Diana G Eng
- Division of Nephrology, University of Washington, Seattle, Washington, USA
| | - Natalya V Kaverina
- Division of Nephrology, University of Washington, Seattle, Washington, USA
| | - Maria W Sunseri
- Division of Nephrology, University of Washington, Seattle, Washington, USA
| | - Christoph Daniel
- Department of Nephropathology, University of Erlangen-Nürnberg, Erlangen, Germany
| | - Kerstin Amann
- Department of Nephropathology, University of Erlangen-Nürnberg, Erlangen, Germany
| | - Jeffrey W Pippin
- Division of Nephrology, University of Washington, Seattle, Washington, USA
| | - Stuart J Shankland
- Division of Nephrology, University of Washington, Seattle, Washington, USA.
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48
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Lu YX, Chen DL, Wang DS, Chen LZ, Mo HY, Sheng H, Bai L, Wu QN, Yu HE, Xie D, Yun JP, Zeng ZL, Wang F, Ju HQ, Xu RH. Melatonin enhances sensitivity to fluorouracil in oesophageal squamous cell carcinoma through inhibition of Erk and Akt pathway. Cell Death Dis 2016; 7:e2432. [PMID: 27787516 PMCID: PMC5133993 DOI: 10.1038/cddis.2016.330] [Citation(s) in RCA: 44] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2016] [Revised: 08/22/2016] [Accepted: 09/15/2016] [Indexed: 02/06/2023]
Abstract
Oesophageal squamous cell carcinoma (ESCC) is the sixth most common cause of cancer-associated death in the world and novel therapeutic alternatives are urgently warranted. In this study, we investigated the anti-tumour activity and underlying mechanisms of melatonin, an indoleamine compound secreted by the pineal gland as well as naturally occurring plant products, in ESCC cells and revealed that melatonin inhibited proliferation, migration, invasion and induced mitochondria-dependent apoptosis of ESCC cells in vitro and suppressed tumour growth in the subcutaneous mice model in vivo. Furthermore, after treatment with melatonin, the expressions of pMEK, pErk, pGSK3β and pAkt were significantly suppressed. In contrast, treatment of the conventional chemotherapeutic drug fluorouracil (5-Fu) resulted in activation of Erk and Akt, which could be reversed by co-treatment with melatonin. Importantly, melatonin effectively enhanced cytotoxicity of 5-Fu to ESCC in vitro and in vivo. Together, these results suggested that inhibition of Erk and Akt pathway by melatonin have an important role in sensitization of ESCC cells to 5-Fu. Combined 5-Fu and melatonin treatment may be appreciated as a useful approach for ESCC therapy that warrants further investigation.
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Affiliation(s)
- Yun-Xin Lu
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou 510060, China.,Department of Medical Oncology, Sun Yat-sen University Cancer Center, Guangzhou 510060, China
| | - Dong-Liang Chen
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou 510060, China.,Department of Medical Oncology, Sun Yat-sen University Cancer Center, Guangzhou 510060, China
| | - De-Shen Wang
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou 510060, China.,Department of Medical Oncology, Sun Yat-sen University Cancer Center, Guangzhou 510060, China
| | - Le-Zong Chen
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou 510060, China.,Department of Medical Oncology, Sun Yat-sen University Cancer Center, Guangzhou 510060, China
| | - Hai-Yu Mo
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou 510060, China
| | - Hui Sheng
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou 510060, China
| | - Long Bai
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou 510060, China.,Department of Medical Oncology, Sun Yat-sen University Cancer Center, Guangzhou 510060, China
| | - Qi-Nian Wu
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou 510060, China
| | - Hong-En Yu
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou 510060, China.,Department of Medical Oncology, Sun Yat-sen University Cancer Center, Guangzhou 510060, China
| | - Dan Xie
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou 510060, China
| | - Jing-Ping Yun
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou 510060, China.,Department of Pathology, Sun Yat-sen University Cancer Center, Guangzhou 510060, China
| | - Zhao-Lei Zeng
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou 510060, China
| | - Feng Wang
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou 510060, China.,Department of Medical Oncology, Sun Yat-sen University Cancer Center, Guangzhou 510060, China
| | - Huai-Qiang Ju
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou 510060, China
| | - Rui-Hua Xu
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou 510060, China.,Department of Medical Oncology, Sun Yat-sen University Cancer Center, Guangzhou 510060, China
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49
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Lu YX, Chen DL, Wang DS, Chen LZ, Mo HY, Sheng H, Bai L, Wu QN, Yu HE, Xie D, Yun JP, Zeng ZL, Wang F, Ju HQ, Xu RH. Melatonin enhances sensitivity to fluorouracil in oesophageal squamous cell carcinoma through inhibition of Erk and Akt pathway. Cell Death Dis 2016. [PMID: 27787516 DOI: 10.1038/cddis.2016.330.] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Oesophageal squamous cell carcinoma (ESCC) is the sixth most common cause of cancer-associated death in the world and novel therapeutic alternatives are urgently warranted. In this study, we investigated the anti-tumour activity and underlying mechanisms of melatonin, an indoleamine compound secreted by the pineal gland as well as naturally occurring plant products, in ESCC cells and revealed that melatonin inhibited proliferation, migration, invasion and induced mitochondria-dependent apoptosis of ESCC cells in vitro and suppressed tumour growth in the subcutaneous mice model in vivo. Furthermore, after treatment with melatonin, the expressions of pMEK, pErk, pGSK3β and pAkt were significantly suppressed. In contrast, treatment of the conventional chemotherapeutic drug fluorouracil (5-Fu) resulted in activation of Erk and Akt, which could be reversed by co-treatment with melatonin. Importantly, melatonin effectively enhanced cytotoxicity of 5-Fu to ESCC in vitro and in vivo. Together, these results suggested that inhibition of Erk and Akt pathway by melatonin have an important role in sensitization of ESCC cells to 5-Fu. Combined 5-Fu and melatonin treatment may be appreciated as a useful approach for ESCC therapy that warrants further investigation.
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Affiliation(s)
- Yun-Xin Lu
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou 510060, China.,Department of Medical Oncology, Sun Yat-sen University Cancer Center, Guangzhou 510060, China
| | - Dong-Liang Chen
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou 510060, China.,Department of Medical Oncology, Sun Yat-sen University Cancer Center, Guangzhou 510060, China
| | - De-Shen Wang
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou 510060, China.,Department of Medical Oncology, Sun Yat-sen University Cancer Center, Guangzhou 510060, China
| | - Le-Zong Chen
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou 510060, China.,Department of Medical Oncology, Sun Yat-sen University Cancer Center, Guangzhou 510060, China
| | - Hai-Yu Mo
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou 510060, China
| | - Hui Sheng
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou 510060, China
| | - Long Bai
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou 510060, China.,Department of Medical Oncology, Sun Yat-sen University Cancer Center, Guangzhou 510060, China
| | - Qi-Nian Wu
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou 510060, China
| | - Hong-En Yu
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou 510060, China.,Department of Medical Oncology, Sun Yat-sen University Cancer Center, Guangzhou 510060, China
| | - Dan Xie
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou 510060, China
| | - Jing-Ping Yun
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou 510060, China.,Department of Pathology, Sun Yat-sen University Cancer Center, Guangzhou 510060, China
| | - Zhao-Lei Zeng
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou 510060, China
| | - Feng Wang
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou 510060, China.,Department of Medical Oncology, Sun Yat-sen University Cancer Center, Guangzhou 510060, China
| | - Huai-Qiang Ju
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou 510060, China
| | - Rui-Hua Xu
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou 510060, China.,Department of Medical Oncology, Sun Yat-sen University Cancer Center, Guangzhou 510060, China
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50
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Lee CL, Huang CJ, Yang SH, Chang CC, Huang CC, Chien CC, Yang RN. Discovery of genes from feces correlated with colorectal cancer progression. Oncol Lett 2016; 12:3378-3384. [PMID: 27900008 DOI: 10.3892/ol.2016.5069] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2015] [Accepted: 07/20/2016] [Indexed: 12/17/2022] Open
Abstract
Colorectal cancer (CRC) is considered to develop slowly via a progressive accumulation of genetic mutations. Markers of CRC may serve to provide the basis for decision-making, and may assist in cancer prevention, detection and prognostic prediction. DNA and messenger (m)RNA molecules that are present in human feces faithfully represent CRC manifestations. In the present study, exogenous mouse cells verified the feasibility of total fecal RNA as a marker of CRC. Furthermore, five significant genes encoding solute carrier family 15, member 4 (SLC15A4), cluster of differentiation (CD)44, 3-oxoacid CoA-transferase 1 (OXCT1), placenta-specific 8 (PLAC8) and growth arrest-specific 2 (GAS2), which are differentially expressed in the feces of CRC patients, were verified in different CRC cell lines using quantitative polymerase chain reaction. The present study demonstrated that the mRNA level of SLC15A4 was increased in the majority of CRC cell lines evaluated (SW1116, LS123, Caco-2 and T84). An increased level of CD44 mRNA was only detected in an early-stage CRC cell line, SW1116, whereas OXCT1 was expressed at higher levels in the metastatic CRC cell line CC-M3. In addition, two genes, PLAC8 and GAS2, were highly expressed in the recurrent CRC cell line SW620. Genes identified in the feces of CRC patients differed according to their clinical characteristics, and this differential expression was also detected in the corresponding CRC cell lines. In conclusion, feces represent a good marker of CRC and can be interpreted through the appropriate CRC cell lines.
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Affiliation(s)
- Chia-Long Lee
- School of Medicine, Taipei Medical University, Taipei 11031, Taiwan, R.O.C.; Department of Internal Medicine, Cathay General Hospital, Taipei 10630, Taiwan, R.O.C.; School of Medicine, Fu Jen Catholic University, New Taipei 24205, Taiwan, R.O.C
| | - Chi-Jung Huang
- Department of Medical Research, Cathay General Hospital, Taipei 10630, Taiwan, R.O.C.; Department of Biochemistry, National Defense Medical Center, Taipei 11490, Taiwan, R.O.C.; School of Medicine, Fu Jen Catholic University, New Taipei 24205, Taiwan, R.O.C
| | - Shung-Haur Yang
- Department of Surgery, Taipei Veterans General Hospital, Taipei 11217, Taiwan, R.O.C.; School of Medicine, National Yang Ming University, Taipei 11221, Taiwan, R.O.C
| | - Chun-Chao Chang
- School of Medicine, Taipei Medical University, Taipei 11031, Taiwan, R.O.C.; Department of Internal Medicine, Division of Gastroenterology and Hepatology, Taipei Medical University Hospital, Taipei 11031, Taiwan, R.O.C
| | - Chi-Cheng Huang
- School of Medicine, Taipei Medical University, Taipei 11031, Taiwan, R.O.C.; School of Medicine, Fu Jen Catholic University, New Taipei 24205, Taiwan, R.O.C.; Graduate Institute of Biomedical Electronics and Bioinformatics, National Taiwan University, Taipei 10617, Taiwan, R.O.C.; Department of General Surgery, Sijhih Cathay General Hospital, New Taipei 22174, Taiwan, R.O.C
| | - Chih-Cheng Chien
- Department of Medical Research, Cathay General Hospital, Taipei 10630, Taiwan, R.O.C.; School of Medicine, Fu Jen Catholic University, New Taipei 24205, Taiwan, R.O.C.; Department of Anesthesiology, Sijhih Cathay General Hospital, New Taipei 22174, Taiwan, R.O.C
| | - Ruey-Neng Yang
- Department of Nursing, Ching Kuo Institute of Management and Health, Keelung 20301, Taiwan, R.O.C.; Department of Internal Medicine, Sijhih Cathay General Hospital, New Taipei 22174, Taiwan, R.O.C
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