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Leask A, Nguyen J, Naik A, Chitturi P, Riser BL. The role of yes activated protein (YAP) in melanoma metastasis. iScience 2024; 27:109864. [PMID: 38770136 PMCID: PMC11103372 DOI: 10.1016/j.isci.2024.109864] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/22/2024] Open
Abstract
Hippo was first identified in a genetic screen as a protein that suppressed proliferation and cell growth. Subsequently, it was shown that hippo acted in a so-called canonical cascade to suppress Yorkie, the Drosophila equivalent of Yes-activated protein (YAP), a mechanosensitive transcriptional cofactor that enhances the activity of the TEAD family of transcription factors. YAP promotes fibrosis, activation of cancer-associated fibroblasts, angiogenesis and cancer cell invasion. YAP activates the expression of the matricellular proteins CCN1 (cyr61) and CCN2 (ctgf), themselves mediators of fibrogenesis and oncogenesis, and coordination of matrix deposition and angiogenesis. This review discusses how therapeutically targeting YAP through YAP inhibitors verteporfin and celastrol and its downstream mediators CCN1 and CCN2 might be useful in treating melanoma.
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Affiliation(s)
- Andrew Leask
- College of Dentistry, University of Saskatchewan, 105 Wiggins Road, Saskatoon, SK S7N 5E4, Canada
| | - John Nguyen
- College of Dentistry, University of Saskatchewan, 105 Wiggins Road, Saskatoon, SK S7N 5E4, Canada
| | - Angha Naik
- College of Dentistry, University of Saskatchewan, 105 Wiggins Road, Saskatoon, SK S7N 5E4, Canada
| | - Pratyusha Chitturi
- College of Dentistry, University of Saskatchewan, 105 Wiggins Road, Saskatoon, SK S7N 5E4, Canada
| | - Bruce L. Riser
- Department of Physiology & Biophysics, Center for Cancer Cell Biology, Immunology & Infection, Rosalind Franklin University, 3333 N. Green Bay Road, Chicago, IL 60064, USA
- BLR Bio, LLC, Kenosha, WI 53140, USA
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2
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Hu T, Shi Z, Sun Y, Hu F, Rong Y, Wang J, Wang L, Xu W, Zhang F, Zhang WZ. SEPHS1 attenuates intervertebral disc degeneration by delaying nucleus pulposus cell senescence through the Hippo-Yap/Taz pathway. Am J Physiol Cell Physiol 2024; 326:C386-C399. [PMID: 38105759 DOI: 10.1152/ajpcell.00571.2023] [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: 10/30/2023] [Revised: 12/07/2023] [Accepted: 12/08/2023] [Indexed: 12/19/2023]
Abstract
Nucleus pulposus cell (NPC) senescence is a major cause of intervertebral disc degeneration (IVDD). Oxidative stress and reactive oxygen species (ROS) play critical roles in regulating cell senescence. Selenophosphate synthetase 1 (SEPHS1) was reported to play an important role in mitigating oxidative stress in an osteoarthritis (OA) model by reducing the production of ROS, thereby, delaying the occurrence and development of osteoarthritis. In this study, we explored the, hitherto unknown, role of SEPHS1 in IVDD in vitro and in vivo using an interleukin-1β (IL-1β)-induced NPC senescence model and a rat needle puncture IVDD model, respectively. SEPHS1 delayed NPC senescence in vitro by reducing ROS production. Age-related dysfunction was also ameliorated by the overexpression of SEPHS1 and inhibition of the Hippo-Yap/Taz signaling pathway. In vivo experiments revealed that the overexpression of SEPHS1 and inhibition of Hippo-Yap/Taz alleviated IVDD in rats. Moreover, a selenium (Se)-deficient diet and lack of SEPHS1 synergistically aggravated IVDD progression. Taken together, our results demonstrate that SEPHS1 plays a significant role in NPC senescence. Overexpression of SEPHS1 and inhibition of Hippo-Yap/Taz can delay NPC senescence, restore the balance of extracellular matrix metabolism, and attenuate IVDD. SEPHS1 could be a promising therapeutic target for IVDD.NEW & NOTEWORTHY Selenophosphate synthetase 1 (SEPHS1) deficiency leads to an increase in reactive oxygen species levels and in the subsequent activation of the Hippo-Yap/Taz signaling pathway. In the rat model of intervertebral disc degeneration (IVDD), overexpression of SEPHS1 and inhibition of Hippo-YAP/Taz mitigated the progression of disc degeneration indicating the involvement of SEPHS1 in IVDD. SEPHS1 is a promising therapeutic target for IVDD.
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Affiliation(s)
- Tao Hu
- Department of Orthopedics, Provincial Hospital Affiliated to Anhui Medical University, Hefei, People's Republic of China
- Division of Life Sciences and Medicine, Department of Orthopedics, Centre for Leading Medicine and Advanced Technologies of IHM, The First Affiliated Hospital of USTC, University of Science and Technology of China, Hefei, People's Republic of China
| | - Zhongming Shi
- Division of Life Sciences and Medicine, Department of Orthopedics, Centre for Leading Medicine and Advanced Technologies of IHM, The First Affiliated Hospital of USTC, University of Science and Technology of China, Hefei, People's Republic of China
| | - Yongjin Sun
- Division of Life Sciences and Medicine, Department of Orthopedics, Centre for Leading Medicine and Advanced Technologies of IHM, The First Affiliated Hospital of USTC, University of Science and Technology of China, Hefei, People's Republic of China
| | - Feng Hu
- Department of Orthopedics, Shanghai Changzheng Hospital, Second Affiliated Hospital of Naval Medical University, Shanghai, People's Republic of China
| | - Yuluo Rong
- Division of Life Sciences and Medicine, Department of Orthopedics, Centre for Leading Medicine and Advanced Technologies of IHM, The First Affiliated Hospital of USTC, University of Science and Technology of China, Hefei, People's Republic of China
| | - Jia Wang
- Division of Life Sciences and Medicine, Department of Orthopedics, Centre for Leading Medicine and Advanced Technologies of IHM, The First Affiliated Hospital of USTC, University of Science and Technology of China, Hefei, People's Republic of China
| | - Liang Wang
- Division of Life Sciences and Medicine, Department of Orthopedics, Centre for Leading Medicine and Advanced Technologies of IHM, The First Affiliated Hospital of USTC, University of Science and Technology of China, Hefei, People's Republic of China
| | - Wenbin Xu
- Division of Life Sciences and Medicine, Department of Orthopedics, Centre for Leading Medicine and Advanced Technologies of IHM, The First Affiliated Hospital of USTC, University of Science and Technology of China, Hefei, People's Republic of China
| | - Feng Zhang
- Division of Life Sciences and Medicine, Department of Orthopedics, Centre for Leading Medicine and Advanced Technologies of IHM, The First Affiliated Hospital of USTC, University of Science and Technology of China, Hefei, People's Republic of China
| | - Wen-Zhi Zhang
- Department of Orthopedics, Provincial Hospital Affiliated to Anhui Medical University, Hefei, People's Republic of China
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3
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Dubois F, Bazille C, Levallet J, Maille E, Brosseau S, Madelaine J, Bergot E, Zalcman G, Levallet G. Molecular Alterations in Malignant Pleural Mesothelioma: A Hope for Effective Treatment by Targeting YAP. Target Oncol 2022; 17:407-431. [PMID: 35906513 PMCID: PMC9345804 DOI: 10.1007/s11523-022-00900-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/05/2022] [Indexed: 01/11/2023]
Abstract
Malignant pleural mesothelioma is a rare and aggressive neoplasm, which has primarily been attributed to the exposure to asbestos fibers (83% of cases); yet, despite a ban of using asbestos in many countries, the incidence of malignant pleural mesothelioma failed to decline worldwide. While little progress has been made in malignant pleural mesothelioma diagnosis, bevacizumab at first, then followed by double immunotherapy (nivolumab plus ipilumumab), were all shown to improve survival in large phase III randomized trials. The morphological analysis of the histological subtyping remains the primary indicator for therapeutic decision making at an advanced disease stage, while a platinum-based chemotherapy regimen combined with pemetrexed, either with or without bevacizumab, is still the main treatment option. Consequently, malignant pleural mesothelioma still represents a significant health concern owing to poor median survival (12-18 months). Given this context, both diagnosis and therapy improvements require better knowledge of the molecular mechanisms underlying malignant pleural mesothelioma's carcinogenesis and progression. Hence, the Hippo pathway in malignant pleural mesothelioma initiation and progression has recently received increasing attention, as the aberrant expression of its core components may be closely related to patient prognosis. The purpose of this review was to provide a critical analysis of our current knowledge on these topics, the main focus being on the available evidence concerning the role of each Hippo pathway's member as a promising biomarker, enabling detection of the disease at earlier stages and thus improving prognosis.
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Affiliation(s)
- Fatéméh Dubois
- Normandie University, UNICAEN, CNRS, ISTCT Unit, Avenue H. Becquerel, 14074, Caen, France
- Department of Pathology, CHU de Caen, Caen, France
- Federative Structure of Cyto-Molecular Oncogenetics (SF-MOCAE), CHU de Caen, Caen, France
| | - Céline Bazille
- Normandie University, UNICAEN, CNRS, ISTCT Unit, Avenue H. Becquerel, 14074, Caen, France
- Department of Pathology, CHU de Caen, Caen, France
| | - Jérôme Levallet
- Normandie University, UNICAEN, CNRS, ISTCT Unit, Avenue H. Becquerel, 14074, Caen, France
| | - Elodie Maille
- Normandie University, UNICAEN, CNRS, ISTCT Unit, Avenue H. Becquerel, 14074, Caen, France
| | - Solenn Brosseau
- Department of Thoracic Oncology and CIC1425, Hospital Bichat-Claude Bernard, Assistance Publique Hôpitaux de Paris, Université Paris-Diderot, Paris, France
- U830 INSERM "Genetics and Biology of Cancers, A.R.T Group", Curie Institute, Paris, France
| | - Jeannick Madelaine
- Department of Pulmonology and Thoracic Oncology, CHU de Caen, Caen, France
| | - Emmanuel Bergot
- Normandie University, UNICAEN, CNRS, ISTCT Unit, Avenue H. Becquerel, 14074, Caen, France
- Department of Pulmonology and Thoracic Oncology, CHU de Caen, Caen, France
| | - Gérard Zalcman
- Department of Thoracic Oncology and CIC1425, Hospital Bichat-Claude Bernard, Assistance Publique Hôpitaux de Paris, Université Paris-Diderot, Paris, France
- U830 INSERM "Genetics and Biology of Cancers, A.R.T Group", Curie Institute, Paris, France
| | - Guénaëlle Levallet
- Normandie University, UNICAEN, CNRS, ISTCT Unit, Avenue H. Becquerel, 14074, Caen, France.
- Department of Pathology, CHU de Caen, Caen, France.
- Federative Structure of Cyto-Molecular Oncogenetics (SF-MOCAE), CHU de Caen, Caen, France.
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4
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Kelly NJ, Chan SY. Pulmonary Arterial Hypertension: Emerging Principles of Precision Medicine across Basic Science to Clinical Practice. Rev Cardiovasc Med 2022; 23:378. [PMID: 36875282 PMCID: PMC9980296 DOI: 10.31083/j.rcm2311378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Pulmonary arterial hypertension (PAH) is an enigmatic and deadly vascular disease with no known cure. Recent years have seen rapid advances in our understanding of the molecular underpinnings of PAH, with an expanding knowledge of the molecular, cellular, and systems-level drivers of disease that are being translated into novel therapeutic modalities. Simultaneous advances in clinical technology have led to a growing list of tools with potential application to diagnosis and phenotyping. Guided by fundamental biology, these developments hold the potential to usher in a new era of personalized medicine in PAH with broad implications for patient management and great promise for improved outcomes.
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Affiliation(s)
- Neil J Kelly
- Center for Pulmonary Vascular Biology and Medicine and Pittsburgh Heart, Lung, and Blood Vascular Medicine Institute; Division of Cardiology; Department of Medicine, University of Pittsburgh School of Medicine and University of Pittsburgh Medical Center, Pittsburgh, PA 15213, USA
| | - Stephen Y Chan
- Center for Pulmonary Vascular Biology and Medicine and Pittsburgh Heart, Lung, and Blood Vascular Medicine Institute; Division of Cardiology; Department of Medicine, University of Pittsburgh School of Medicine and University of Pittsburgh Medical Center, Pittsburgh, PA 15213, USA
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5
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Rebolledo DL, Lipson KE, Brandan E. Driving fibrosis in neuromuscular diseases: Role and regulation of Connective tissue growth factor (CCN2/CTGF). Matrix Biol Plus 2021; 11:100059. [PMID: 34435178 PMCID: PMC8377001 DOI: 10.1016/j.mbplus.2021.100059] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Revised: 01/25/2021] [Accepted: 01/27/2021] [Indexed: 02/07/2023] Open
Abstract
Connective tissue growth factor or cellular communication network 2 (CCN2/CTGF) is a matricellular protein member of the CCN family involved in several crucial biological processes. In skeletal muscle, CCN2/CTGF abundance is elevated in human muscle biopsies and/or animal models for diverse neuromuscular pathologies, including muscular dystrophies, neurodegenerative disorders, muscle denervation, and muscle overuse. In this context, CCN2/CTGF is deeply involved in extracellular matrix (ECM) modulation, acting as a strong pro-fibrotic factor that promotes excessive ECM accumulation. Reducing CCN2/CTGF levels or biological activity in pathological conditions can decrease fibrosis, improve muscle architecture and function. In this work, we summarize information about the role of CCN2/CTGF in fibrosis associated with neuromuscular pathologies and the mechanisms and signaling pathways that regulate their expression in skeletal muscle.
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Affiliation(s)
- Daniela L Rebolledo
- Centro de Envejecimiento y Regeneración, CARE Chile UC, Chile.,Centro de Excelencia en Biomedicina de Magallanes (CEBIMA), Punta Arenas, Chile
| | | | - Enrique Brandan
- Centro de Envejecimiento y Regeneración, CARE Chile UC, Chile.,Departamento de Biología Celular y Molecular, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Chile.,Fundación Ciencia y Vida, Santiago, Chile
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Cao L, Zhang C, Wu Q, Bai Z, Chen J. Yes-associated protein expression is associated with poor prognosis in patients with colorectal cancer. Oncol Lett 2021; 22:642. [PMID: 34386064 PMCID: PMC8299034 DOI: 10.3892/ol.2021.12903] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Accepted: 05/26/2021] [Indexed: 11/25/2022] Open
Abstract
Colorectal cancer (CRC) is the third leading cause of cancer-related death worldwide. The aim of the present study was to investigate the expression of yes-associated protein (YAP) in CRC tissues, and to determine the relationship between the expression levels of YAP and the clinicopathological characteristics and prognosis of patients with CRC. Bioinformatics analysis was conducted to examine the expression of YAP and its correlation with clinicopathological characteristics and key genes, using functional enrichment analysis. Immunohistochemistry was used to detect YAP expression in 181 CRC tissue samples and 30 normal colorectal mucosa samples. Western blotting and reverse transcription-quantitative PCR were performed to detect the expression of YAP and β-catenin in CRC cells, and cellular proliferation was assessed using a Cell Counting Kit-8 assay. Finally, apoptosis was analyzed using flow cytometry. Immunohistochemical staining indicated that the positive expression rate of YAP in CRC tissues was 73.5%, which was significantly higher than that in normal colorectal mucosa samples. The expression of YAP in CRC was associated with histological differentiation, lymph node metastasis and Duke's stage. However, no significant associations were observed between YAP expression and age, sex and T stage. Downregulation of YAP promoted the proliferation and the inhibited apoptosis of CRC cells, and YAP expression was positively correlated with that of β-catenin in both CRC tissues and cells. Furthermore, YAP expression was upregulated in CRC tissues, which was correlated with tumor progression and prognosis. Therefore, YAP expression may be used as an independent predictor of poor prognosis in patients with CRC, and the underling molecular mechanism may be associated with the combined effect of Hippo and Wnt/β-catenin signaling.
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Affiliation(s)
- Liyu Cao
- Department of Pathology, Fuyang Hospital of Anhui Medical University, Fuyang, Anhui 236000, P.R. China.,Department of Pathology, Anhui Medical University, Hefei, Anhui 230032, P.R. China
| | - Cong Zhang
- Department of Pathology, Fuyang Hospital of Anhui Medical University, Fuyang, Anhui 236000, P.R. China
| | - Qingqing Wu
- Department of Pathology, Fuyang Hospital of Anhui Medical University, Fuyang, Anhui 236000, P.R. China
| | - Zhenzhen Bai
- Department of Pathology, Fuyang Hospital of Anhui Medical University, Fuyang, Anhui 236000, P.R. China.,Department of Pathology, Anhui Medical University, Hefei, Anhui 230032, P.R. China
| | - Jing Chen
- Department of Pathology, Fuyang Hospital of Anhui Medical University, Fuyang, Anhui 236000, P.R. China.,Department of Pathology, Anhui Medical University, Hefei, Anhui 230032, P.R. China
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7
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Morciano G, Vezzani B, Missiroli S, Boncompagni C, Pinton P, Giorgi C. An Updated Understanding of the Role of YAP in Driving Oncogenic Responses. Cancers (Basel) 2021; 13:cancers13123100. [PMID: 34205830 PMCID: PMC8234554 DOI: 10.3390/cancers13123100] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 06/09/2021] [Accepted: 06/17/2021] [Indexed: 12/13/2022] Open
Abstract
Simple Summary In 2020, the global cancer database GLOBOCAN estimated 19.3 million new cancer cases worldwide. The discovery of targeted therapies may help prognosis and outcome of the patients affected, but the understanding of the plethora of highly interconnected pathways that modulate cell transformation, proliferation, invasion, migration and survival remains an ambitious goal. Here we propose an updated state of the art of YAP as the key protein driving oncogenic response via promoting all those steps at multiple levels. Of interest, the role of YAP in immunosuppression is a field of evolving research and growing interest and this summary about the current pharmacological therapies impacting YAP serves as starting point for future studies. Abstract Yes-associated protein (YAP) has emerged as a key component in cancer signaling and is considered a potent oncogene. As such, nuclear YAP participates in complex and only partially understood molecular cascades that are responsible for the oncogenic response by regulating multiple processes, including cell transformation, tumor growth, migration, and metastasis, and by acting as an important mediator of immune and cancer cell interactions. YAP is finely regulated at multiple levels, and its localization in cells in terms of cytoplasm–nucleus shuttling (and vice versa) sheds light on interesting novel anticancer treatment opportunities and putative unconventional functions of the protein when retained in the cytosol. This review aims to summarize and present the state of the art knowledge about the role of YAP in cancer signaling, first focusing on how YAP differs from WW domain-containing transcription regulator 1 (WWTR1, also named as TAZ) and which upstream factors regulate it; then, this review focuses on the role of YAP in different cancer stages and in the crosstalk between immune and cancer cells as well as growing translational strategies derived from its inhibitory and synergistic effects with existing chemo-, immuno- and radiotherapies.
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8
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Lysophosphatidic Acid Accelerates Bovine In Vitro-Produced Blastocyst Formation through the Hippo/YAP Pathway. Int J Mol Sci 2021; 22:ijms22115915. [PMID: 34072880 PMCID: PMC8198578 DOI: 10.3390/ijms22115915] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Revised: 05/17/2021] [Accepted: 05/21/2021] [Indexed: 12/25/2022] Open
Abstract
The segregation of trophectoderm (TE) and inner cell mass in early embryos is driven primarily by the transcription factor CDX2. The signals that trigger CDX2 activation are, however, less clear. In mouse embryos, the Hippo-YAP signaling pathway is important for the activation of CDX2 expression; it is less clear whether this relationship is conserved in other mammals. Lysophosphatidic acid (LPA) has been reported to increase YAP levels by inhibiting its degradation. In this study, we cultured bovine embryos in the presence of LPA and examined changes in gene and protein expression. LPA was found to accelerate the onset of blastocyst formation on days 5 and 6, without changing the TE/inner cell mass ratio. We further observed that the expression of TAZ and TEAD4 was up-regulated, and YAP was overexpressed, in LPA-treated day 6 embryos. However, LPA-induced up-regulation of CDX2 expression was only evident in day 8 embryos. Overall, our data suggest that the Hippo signaling pathway is involved in the initiation of bovine blastocyst formation, but does not affect the cell lineage constitution of blastocysts.
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9
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Rebolledo DL, Acuña MJ, Brandan E. Role of Matricellular CCN Proteins in Skeletal Muscle: Focus on CCN2/CTGF and Its Regulation by Vasoactive Peptides. Int J Mol Sci 2021; 22:5234. [PMID: 34063397 PMCID: PMC8156781 DOI: 10.3390/ijms22105234] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Revised: 04/28/2021] [Accepted: 05/12/2021] [Indexed: 02/08/2023] Open
Abstract
The Cellular Communication Network (CCN) family of matricellular proteins comprises six proteins that share conserved structural features and play numerous biological roles. These proteins can interact with several receptors or soluble proteins, regulating cell signaling pathways in various tissues under physiological and pathological conditions. In the skeletal muscle of mammals, most of the six CCN family members are expressed during embryonic development or in adulthood. Their roles during the adult stage are related to the regulation of muscle mass and regeneration, maintaining vascularization, and the modulation of skeletal muscle fibrosis. This work reviews the CCNs proteins' role in skeletal muscle physiology and disease, focusing on skeletal muscle fibrosis and its regulation by Connective Tissue Growth factor (CCN2/CTGF). Furthermore, we review evidence on the modulation of fibrosis and CCN2/CTGF by the renin-angiotensin system and the kallikrein-kinin system of vasoactive peptides.
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Affiliation(s)
- Daniela L. Rebolledo
- Centro de Envejecimiento y Regeneración, CARE Chile UC, Pontificia Universidad Católica de Chile, Santiago 8331150, Chile;
- Centro de Excelencia en Biomedicina de Magallanes (CEBIMA), Universidad de Magallanes, Punta Arenas 6213515, Chile
| | - María José Acuña
- Centro de Envejecimiento y Regeneración, CARE Chile UC, Pontificia Universidad Católica de Chile, Santiago 8331150, Chile;
- Centro Integrativo de Biología y Química Aplicada (CIBQA), Universidad Bernardo O Higgins, Santiago 8370854, Chile
| | - Enrique Brandan
- Centro de Envejecimiento y Regeneración, CARE Chile UC, Pontificia Universidad Católica de Chile, Santiago 8331150, Chile;
- Departamento de Biología Celular y Molecular, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Santiago 8331150, Chile
- Fundación Ciencia & Vida, Santiago 7810000, Chile
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10
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Di Luca M, Fitzpatrick E, Burtenshaw D, Liu W, Helt JC, Hakimjavadi R, Corcoran E, Gusti Y, Sheridan D, Harman S, Lally C, Redmond EM, Cahill PA. The calcium binding protein S100β marks hedgehog-responsive resident vascular stem cells within vascular lesions. NPJ Regen Med 2021; 6:10. [PMID: 33649337 PMCID: PMC7921434 DOI: 10.1038/s41536-021-00120-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Accepted: 01/14/2021] [Indexed: 01/09/2023] Open
Abstract
A hallmark of subclinical atherosclerosis is the accumulation of vascular smooth muscle cell (SMC)-like cells leading to intimal thickening. While medial SMCs contribute, the participation of hedgehog-responsive resident vascular stem cells (vSCs) to lesion formation remains unclear. Using transgenic eGFP mice and genetic lineage tracing of S100β vSCs in vivo, we identified S100β/Sca1 cells derived from a S100β non-SMC parent population within lesions that co-localise with smooth muscle α-actin (SMA) cells following iatrogenic flow restriction, an effect attenuated following hedgehog inhibition with the smoothened inhibitor, cyclopamine. In vitro, S100β/Sca1 cells isolated from atheroprone regions of the mouse aorta expressed hedgehog signalling components, acquired the di-methylation of histone 3 lysine 4 (H3K4me2) stable SMC epigenetic mark at the Myh11 locus and underwent myogenic differentiation in response to recombinant sonic hedgehog (SHh). Both S100β and PTCH1 cells were present in human vessels while S100β cells were enriched in arteriosclerotic lesions. Recombinant SHh promoted myogenic differentiation of human induced pluripotent stem cell-derived S100β neuroectoderm progenitors in vitro. We conclude that hedgehog-responsive S100β vSCs contribute to lesion formation and support targeting hedgehog signalling to treat subclinical arteriosclerosis.
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Affiliation(s)
- Mariana Di Luca
- Dublin City University, Vascular Biology & Therapeutics Group, School of Biotechnology, Dublin, Ireland
| | - Emma Fitzpatrick
- Dublin City University, Vascular Biology & Therapeutics Group, School of Biotechnology, Dublin, Ireland
| | - Denise Burtenshaw
- Dublin City University, Vascular Biology & Therapeutics Group, School of Biotechnology, Dublin, Ireland
| | - Weimin Liu
- University of Rochester, Department of Surgery, Rochester, NY, USA
| | | | - Roya Hakimjavadi
- Dublin City University, Vascular Biology & Therapeutics Group, School of Biotechnology, Dublin, Ireland
| | - Eoin Corcoran
- Dublin City University, Vascular Biology & Therapeutics Group, School of Biotechnology, Dublin, Ireland
| | - Yusof Gusti
- Dublin City University, Vascular Biology & Therapeutics Group, School of Biotechnology, Dublin, Ireland
| | - Daniel Sheridan
- Dublin City University, Vascular Biology & Therapeutics Group, School of Biotechnology, Dublin, Ireland
| | - Susan Harman
- Dublin City University, Vascular Biology & Therapeutics Group, School of Biotechnology, Dublin, Ireland
| | - Catriona Lally
- Trinity College Dublin, Trinity Centre for Bioengineering, Trinity Biomedical Sciences Institute, Dublin, Ireland
| | - Eileen M Redmond
- University of Rochester, Department of Surgery, Rochester, NY, USA
| | - Paul A Cahill
- Dublin City University, Vascular Biology & Therapeutics Group, School of Biotechnology, Dublin, Ireland.
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Abstract
RNA editing is a post-transcriptional process increasing transcript diversity, thereby regulating different biological processes. We recently observed that mutations resulting from RNA editing due to hydrolytic deamination of adenosine increase during the development of mesothelioma, a rare cancer linked to chronic exposure to asbestos. This review gathers information from the published literature and public data mining to explore several aspects of RNA editing and their possible implications for cancer growth and therapy. We address possible links between RNA editing and particular types of mesothelioma genetic and epigenetic alterations and discuss the relevance of an edited substrate in the context of current chemotherapy or immunotherapy.
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Affiliation(s)
- Ananya Hariharan
- Laboratory of Molecular Oncology, Department of Thoracic Surgery, Lungen- und Thoraxonkologie Zentrum, University Hospital Zurich, Sternwartstrasse 14, 8091 Zurich, Switzerland
| | - Suna Sun
- Laboratory of Molecular Oncology, Department of Thoracic Surgery, Lungen- und Thoraxonkologie Zentrum, University Hospital Zurich, Sternwartstrasse 14, 8091 Zurich, Switzerland
| | - Martin Wipplinger
- Laboratory of Molecular Oncology, Department of Thoracic Surgery, Lungen- und Thoraxonkologie Zentrum, University Hospital Zurich, Sternwartstrasse 14, 8091 Zurich, Switzerland
| | - Emanuela Felley-Bosco
- Laboratory of Molecular Oncology, Department of Thoracic Surgery, Lungen- und Thoraxonkologie Zentrum, University Hospital Zurich, Sternwartstrasse 14, 8091 Zurich, Switzerland
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12
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Rao HC, Wu ZK, Wei SD, Jiang Y, Guo QX, Wang JW, Chen CX, Yang HY. MiR-25-3p Serves as an Oncogenic MicroRNA by Downregulating the Expression of Merlin in Osteosarcoma. Cancer Manag Res 2020; 12:8989-9001. [PMID: 33061594 PMCID: PMC7522417 DOI: 10.2147/cmar.s262245] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Accepted: 08/13/2020] [Indexed: 12/24/2022] Open
Abstract
PURPOSE Moesin-ezrin-radixin-like protein (Merlin) has been identified as a tumor suppressor in several types of cancers. However, the biological function of Merlin in osteosarcoma remains unclear. MicroRNAs (miRNAs) can influence cancer progression by targeting oncogenes or anti-oncogenes. In this study, we sought to evaluate the regulation of Merlin expression by miR-25-3p and the role of the miR-25-3p/Merlin axis in osteosarcoma progression, with the aim of identifying a potential therapeutic target for osteosarcoma. MATERIALS AND METHODS TCGA (The Cancer Genome Atlas) database was used to analyze the correlation between Merlin expression and prognosis. RT-qPCR and Western blotting analyses were performed to compare Merlin expression between normal and malignant cells. A dual-luciferase reporter assay was performed to evaluate the direct targeting of Merlin by miR-25-3p. We overexpressed miR-25-3p, or/and Merlin, in U-2 OS and 143B cells, and studied their cellular functions in vitro. MTT and colony formation assays were performed to determine the effects on cell growth. EdU and cell cycle assays were performed to analyze the effects in cell replication. We used annexin V-fluorescein isothiocyanate and propidium iodide to stain apoptotic cells, and analyzed the cells using flow cytometry. The effects on cell metastasis were studied in wound healing and transwell assays. Lastly, the underlying mechanism was determined in RT-qPCR and Western blotting experiments. RESULTS Low Merlin expression was linked to poor prognosis. miR-25-3p was observed to directly target Merlin and downregulate its expression. miR-25-3p promoted cell growth, migration, and invasion, and inhibited apoptosis induced by cisplatin. Moreover, the overexpression of Merlin reversed the abovementioned effects of miR-25-3p. Further, the miR-25-3p/Merlin axis was observed to play an important role in the Hippo pathway, and regulated the expression of genes such as BIRC5, CTGF, and CYR61. CONCLUSION miR-25-3p functions as an oncogenic microRNA in osteosarcoma by targeting Merlin, and may serve as a potential therapeutic target for osteosarcoma.
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Affiliation(s)
- Hua-Chun Rao
- Quanzhou Orthopedic-Traumatological Hospital, Fengze District, Quanzhou, Fujian, People's Republic of China
| | - Zhao-Ke Wu
- Quanzhou Orthopedic-Traumatological Hospital, Fengze District, Quanzhou, Fujian, People's Republic of China
| | - Si-da Wei
- Quanzhou Orthopedic-Traumatological Hospital, Fengze District, Quanzhou, Fujian, People's Republic of China
| | - Yun Jiang
- Quanzhou Orthopedic-Traumatological Hospital, Fengze District, Quanzhou, Fujian, People's Republic of China
| | - Qing-Xin Guo
- Quanzhou Orthopedic-Traumatological Hospital, Fengze District, Quanzhou, Fujian, People's Republic of China
| | - Jia-Wen Wang
- Quanzhou Orthopedic-Traumatological Hospital, Fengze District, Quanzhou, Fujian, People's Republic of China
| | - Chang-Xian Chen
- Quanzhou Orthopedic-Traumatological Hospital, Fengze District, Quanzhou, Fujian, People's Republic of China
| | - Hui-Yong Yang
- School of Medicine, Institute of Molecular Medicine, Huaqiao University, Quanzhou, People's Republic of China
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13
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Hsu PC, Yang CT, Jablons DM, You L. The Crosstalk between Src and Hippo/YAP Signaling Pathways in Non-Small Cell Lung Cancer (NSCLC). Cancers (Basel) 2020; 12:cancers12061361. [PMID: 32466572 PMCID: PMC7352956 DOI: 10.3390/cancers12061361] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Revised: 05/19/2020] [Accepted: 05/23/2020] [Indexed: 12/22/2022] Open
Abstract
The advancement of new therapies, including targeted therapies and immunotherapies, has improved the survival of non-small-cell lung cancer (NSCLC) patients in the last decade. Some NSCLC patients still do not benefit from therapies or encounter progressive disease during the course of treatment because they have intrinsic resistance, acquired resistance, or lack a targetable driver mutation. More investigations on the molecular biology of NSCLC are needed to find useful biomarkers for current therapies and to develop novel therapeutic strategies. Src is a non-receptor tyrosine kinase protein that interacts with cell surface growth factor receptors and the intracellular signaling pathway to maintain cell survival tumorigenesis in NSCLC. The Yes-associated protein (YAP) is one of the main effectors of the Hippo pathway and has been identified as a promoter of drug resistance, cancer progression, and metastasis in NSCLC. Here, we review studies that have investigated the activation of YAP as mediated by Src kinases and demonstrate that Src regulates YAP through three main mechanisms: (1) direct phosphorylation; (2) the activation of pathways repressing Hippo kinases; and (3) Hippo-independent mechanisms. Further work should focus on the efficacy of Src inhibitors in inhibiting YAP activity in NSCLC. In addition, future efforts toward developing potentially reasonable combinations of therapy targeting the Src–YAP axis using other therapies, including targeted therapies and/or immunotherapies, are warranted.
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Affiliation(s)
- Ping-Chih Hsu
- Department of Surgery, Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, CA 94115, USA; (P.-C.H.); (D.M.J.)
- Division of Thoracic Medicine, Department of Internal Medicine, Chang Gung Memorial Hospital at Linkou, College of Medicine, Chang Gung University, Taoyuan 33305, Taiwan;
| | - Cheng-Ta Yang
- Division of Thoracic Medicine, Department of Internal Medicine, Chang Gung Memorial Hospital at Linkou, College of Medicine, Chang Gung University, Taoyuan 33305, Taiwan;
- Department of Respiratory Therapy, College of Medicine, Chang Gung University, Taoyuan 33302, Taiwan
| | - David M. Jablons
- Department of Surgery, Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, CA 94115, USA; (P.-C.H.); (D.M.J.)
| | - Liang You
- Department of Surgery, Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, CA 94115, USA; (P.-C.H.); (D.M.J.)
- Correspondence: ; Tel.: +1-415-476-6906
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14
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Wan ML, Wang Y, Zeng Z, Deng B, Zhu BS, Cao T, Li YK, Xiao J, Han Q, Wu Q. Colorectal cancer (CRC) as a multifactorial disease and its causal correlations with multiple signaling pathways. Biosci Rep 2020; 40:BSR20200265. [PMID: 32149326 PMCID: PMC7087324 DOI: 10.1042/bsr20200265] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Revised: 02/21/2020] [Accepted: 02/25/2020] [Indexed: 12/12/2022] Open
Abstract
Colorectal cancer (CRC) is the third most common malignancy and one of the leading causes of cancer-related death among men worldwide. CRC is a multifactor digestive pathology, which is a huge problem faced not only by clinicians but also by researchers. Importantly, a unique feature of CRC is the dysregulation of molecular signaling pathways. To date, a series of reviews have indicated that different signaling pathways are disordered and have potential as therapeutic targets in CRC. Nevertheless, an overview of the function and interaction of multiple signaling pathways in CRC is needed. Therefore, we summarized the pathways, biological functions and important interactions involved in CRC. First, we investigated the involvement of signaling pathways, including Wnt, PI3K/Akt, Hedgehog, ErbB, RHOA, Notch, BMP, Hippo, AMPK, NF-κB, MAPK and JNK. Subsequently, we discussed the biological function of these pathways in pathophysiological aspects of CRC, such as proliferation, apoptosis and metastasis. Finally, we summarized important interactions among these pathways in CRC. We believe that the interaction of these pathways could provide new strategies for the treatment of CRC.
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Affiliation(s)
- Mao-lin Wan
- Department of Hepatobiliary and Pancreatic Surgery, Xianning Central Hospital, the First Affiliated Hospital of Hubei University of Science and Technology, Xianning, 437000, P.R. China
| | - Yu Wang
- Department of Laboratory Medicine, The Second Affiliated Hospital of University of South China, Hengyang, 421001, P.R. China
| | - Zhi Zeng
- Department of Pathology, Xianning Central Hospital, the First Affiliated Hospital of Hubei University of Science and Technology, Xianning, 437000, P.R. China
| | - Bo Deng
- Department of Oncology, Xianning Central Hospital, the First Affiliated Hospital of Hubei University of Science and Technology, Xianning, 437000, P.R. China
| | - Bi-sheng Zhu
- Department of Oncology, Xianning Central Hospital, the First Affiliated Hospital of Hubei University of Science and Technology, Xianning, 437000, P.R. China
| | - Ting Cao
- Department of Digestive Medical, The Affiliated Nanhua Hospital, University of South China, Hengyang, 421002, P.R. China
| | - Yu-kun Li
- Key Laboratory of Tumor Cellular and Molecular Pathology, College of Hunan Province, Cancer Research Institute, University of South China, Hengyang, Hunan, 421001, P.R. China
| | - Jiao Xiao
- Department of Endocrinology, The Affiliated Nanhua Hospital, University of South China, Hengyang, 421002, P.R. China
| | - Qi Han
- Department of Oncology, Xianning Central Hospital, the First Affiliated Hospital of Hubei University of Science and Technology, Xianning, 437000, P.R. China
| | - Qing Wu
- Department of Digestive Medical, The Affiliated Nanhua Hospital, University of South China, Hengyang, 421002, P.R. China
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15
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Quetel L, Meiller C, Assié JB, Blum Y, Imbeaud S, Montagne F, Tranchant R, de Wolf J, Caruso S, Copin MC, Hofman V, Gibault L, Badoual C, Pintilie E, Hofman P, Monnet I, Scherpereel A, Le Pimpec-Barthes F, Zucman-Rossi J, Jaurand MC, Jean D. Genetic alterations of malignant pleural mesothelioma: association with tumor heterogeneity and overall survival. Mol Oncol 2020; 14:1207-1223. [PMID: 32083805 PMCID: PMC7266286 DOI: 10.1002/1878-0261.12651] [Citation(s) in RCA: 59] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2019] [Revised: 12/13/2019] [Accepted: 02/19/2020] [Indexed: 01/17/2023] Open
Abstract
Development of precision medicine for malignant pleural mesothelioma (MPM) requires a deep knowledge of tumor heterogeneity. Histologic and molecular classifications and histo‐molecular gradients have been proposed to describe heterogeneity, but a deeper understanding of gene mutations in the context of MPM heterogeneity is required and the associations between mutations and clinical data need to be refined. We characterized genetic alterations on one of the largest MPM series (266 tumor samples), well annotated with histologic, molecular and clinical data of patients. Targeted next‐generation sequencing was performed focusing on the major MPM mutated genes and the TERT promoter. Molecular heterogeneity was characterized using predictors allowing classification of each tumor into the previously described molecular subtypes and the determination of the proportion of epithelioid‐like and sarcomatoid‐like components (E/S.scores). The mutation frequencies are consistent with literature data, but this study emphasized that TERT promoter, not considered by previous large sequencing studies, was the third locus most affected by mutations in MPM. Mutations in TERT promoter, NF2, and LATS2 were more frequent in nonepithelioid MPM and positively associated with the S.score. BAP1, NF2, TERT promoter, TP53, and SETD2 mutations were enriched in some molecular subtypes. NF2 mutation rate was higher in asbestos unexposed patient. TERT promoter, NF2, and TP53 mutations were associated with a poorer overall survival. Our findings lead to a better characterization of MPM heterogeneity by identifying new significant associations between mutational status and histologic and molecular heterogeneity. Strikingly, we highlight the strong association between new mutations and overall survival.
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Affiliation(s)
- Lisa Quetel
- Centre de Recherche des Cordeliers, Inserm, Sorbonne Université, Université de Paris, Functional Genomics of Solid Tumors laboratory, France
| | - Clément Meiller
- Centre de Recherche des Cordeliers, Inserm, Sorbonne Université, Université de Paris, Functional Genomics of Solid Tumors laboratory, France
| | - Jean-Baptiste Assié
- Centre de Recherche des Cordeliers, Inserm, Sorbonne Université, Université de Paris, Functional Genomics of Solid Tumors laboratory, France
| | - Yuna Blum
- Programme Cartes d'Identité des Tumeurs (CIT), Ligue Nationale Contre Le Cancer, Paris, France
| | - Sandrine Imbeaud
- Centre de Recherche des Cordeliers, Inserm, Sorbonne Université, Université de Paris, Functional Genomics of Solid Tumors laboratory, France
| | - François Montagne
- Centre de Recherche des Cordeliers, Inserm, Sorbonne Université, Université de Paris, Functional Genomics of Solid Tumors laboratory, France
| | - Robin Tranchant
- Centre de Recherche des Cordeliers, Inserm, Sorbonne Université, Université de Paris, Functional Genomics of Solid Tumors laboratory, France
| | - Julien de Wolf
- Centre de Recherche des Cordeliers, Inserm, Sorbonne Université, Université de Paris, Functional Genomics of Solid Tumors laboratory, France
| | - Stefano Caruso
- Centre de Recherche des Cordeliers, Inserm, Sorbonne Université, Université de Paris, Functional Genomics of Solid Tumors laboratory, France
| | - Marie-Christine Copin
- Institut de Pathologie, Centre de Biologie-Pathologie, CHRU de Lille, France.,Université de Lille, France
| | - Véronique Hofman
- Laboratoire de Pathologie Clinique et Expérimentale (LPCE) et Biobanque (BB-0033-00025), CHRU de Nice, France.,FHU OncoAge, Université Côte d'Azur, Nice, France
| | - Laure Gibault
- Assistance Publique-Hôpitaux de Paris, Hôpital Européen Georges Pompidou, Paris, France.,Service d'Anatomopathologie et Cytologie, Hôpital Européen Georges Pompidou, Paris, France
| | - Cécile Badoual
- Assistance Publique-Hôpitaux de Paris, Hôpital Européen Georges Pompidou, Paris, France.,Service d'Anatomopathologie et Cytologie, Hôpital Européen Georges Pompidou, Paris, France
| | - Ecaterina Pintilie
- Service de Chirurgie Thoracique, Hôpital Calmette - CHRU de Lille, France
| | - Paul Hofman
- Laboratoire de Pathologie Clinique et Expérimentale (LPCE) et Biobanque (BB-0033-00025), CHRU de Nice, France.,FHU OncoAge, Université Côte d'Azur, Nice, France
| | - Isabelle Monnet
- Service de Pneumologie et Pathologie Professionnelle, Centre Hospitalier Intercommunal de Créteil, France
| | - Arnaud Scherpereel
- Université de Lille, France.,Service de Pneumologie et d'Oncologie Thoracique, Hôpital Calmette - CHRU de Lille, France.,Réseau National Expert pour le Mésothéliome Pleural Malin (MESOCLIN), Lille, France
| | - Françoise Le Pimpec-Barthes
- Centre de Recherche des Cordeliers, Inserm, Sorbonne Université, Université de Paris, Functional Genomics of Solid Tumors laboratory, France.,Assistance Publique-Hôpitaux de Paris, Hôpital Européen Georges Pompidou, Paris, France.,Service de Chirurgie Thoracique, Hôpital Européen Georges Pompidou, Paris, France
| | - Jessica Zucman-Rossi
- Centre de Recherche des Cordeliers, Inserm, Sorbonne Université, Université de Paris, Functional Genomics of Solid Tumors laboratory, France.,Assistance Publique-Hôpitaux de Paris, Hôpital Européen Georges Pompidou, Paris, France
| | - Marie-Claude Jaurand
- Centre de Recherche des Cordeliers, Inserm, Sorbonne Université, Université de Paris, Functional Genomics of Solid Tumors laboratory, France
| | - Didier Jean
- Centre de Recherche des Cordeliers, Inserm, Sorbonne Université, Université de Paris, Functional Genomics of Solid Tumors laboratory, France
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16
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Kandasamy S, Adhikary G, Rorke EA, Friedberg JS, Mickle MB, Alexander HR, Eckert RL. The YAP1 Signaling Inhibitors, Verteporfin and CA3, Suppress the Mesothelioma Cancer Stem Cell Phenotype. Mol Cancer Res 2020; 18:343-351. [PMID: 31732616 PMCID: PMC7064165 DOI: 10.1158/1541-7786.mcr-19-0914] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2019] [Revised: 10/15/2019] [Accepted: 11/12/2019] [Indexed: 12/18/2022]
Abstract
Mesothelioma is an aggressive cancer that has a poor prognosis. Tumors develop in the mesothelial lining of the pleural and peritoneal cavities in response to asbestos exposure. Surgical debulking followed by chemotherapy is initially effective, but this treatment ultimately selects for resistant cells that form aggressive and therapy-resistant recurrent tumors. Mesothelioma cancer stem cells (MCS) are a highly aggressive subpopulation present in these tumors that are responsible for tumor maintenance and drug resistance. In this article, we examine the impact of targeting YAP1/TAZ/TEAD signaling in MCS cells. YAP1, TAZ, and TEADs are transcriptional mediators of the Hippo signaling cascade that activate gene expression to drive tumor formation. We show that two YAP1 signaling inhibitors, verteporfin and CA3, attenuate the MCS cell phenotype. Verteporfin or CA3 treatment reduces YAP1/TEAD level/activity to suppress MCS cell spheroid formation, Matrigel invasion, migration, and tumor formation. These agents also increase MCS cell apoptosis. Moreover, constitutively active YAP1 expression antagonizes inhibitor action, suggesting that loss of YAP1/TAZ/TEAD signaling is required for response to verteporfin and CA3. These agents are active against mesothelioma cells derived from peritoneal (epithelioid) and patient-derived pleural (sarcomatoid) mesothelioma, suggesting that targeting YAP1/TEAD signaling may be a useful treatment strategy. IMPLICATIONS: These studies suggest that inhibition of YAP1 signaling may be a viable approach to treating mesothelioma.
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Affiliation(s)
- Sivaveera Kandasamy
- Department of Surgery, University of Maryland School of Medicine, Baltimore, Maryland
| | - Gautam Adhikary
- Department of Biochemistry and Molecular Biology, University of Maryland School of Medicine, Baltimore, Maryland
| | - Ellen A Rorke
- Department of Microbiology and Immunology, University of Maryland School of Medicine, Baltimore, Maryland
| | - Joseph S Friedberg
- Department of Surgery, University of Maryland School of Medicine, Baltimore, Maryland
- Marlene and Stewart Greenebaum Comprehensive Cancer Center, University of Maryland School of Medicine, Baltimore, Maryland
| | - McKayla B Mickle
- Department of Biochemistry and Molecular Biology, University of Maryland School of Medicine, Baltimore, Maryland
| | - H Richard Alexander
- Department of Surgery, Rutgers Robert Wood Johnson Medical School, New Brunswick, New Jersey
| | - Richard L Eckert
- Department of Biochemistry and Molecular Biology, University of Maryland School of Medicine, Baltimore, Maryland.
- Marlene and Stewart Greenebaum Comprehensive Cancer Center, University of Maryland School of Medicine, Baltimore, Maryland
- Department of Dermatology, University of Maryland School of Medicine, Baltimore, Maryland
- Department of Reproductive Biology, University of Maryland School of Medicine, Baltimore, Maryland
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17
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Lai X, Eberhardt M, Schmitz U, Vera J. Systems biology-based investigation of cooperating microRNAs as monotherapy or adjuvant therapy in cancer. Nucleic Acids Res 2019; 47:7753-7766. [PMID: 31340025 PMCID: PMC6735922 DOI: 10.1093/nar/gkz638] [Citation(s) in RCA: 118] [Impact Index Per Article: 23.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2019] [Revised: 07/05/2019] [Accepted: 07/13/2019] [Indexed: 12/22/2022] Open
Abstract
MicroRNAs (miRNAs) are short, noncoding RNAs that regulate gene expression by suppressing mRNA translation and reducing mRNA stability. A miRNA can potentially bind many mRNAs, thereby affecting the expression of oncogenes and tumor suppressor genes as well as the activity of whole pathways. The promise of miRNA therapeutics in cancer is to harness this evolutionarily conserved mechanism for the coordinated regulation of gene expression, and thus restoring a normal cell phenotype. However, the promiscuous binding of miRNAs can provoke unwanted off-target effects, which are usually caused by high-dose single-miRNA treatments. Thus, it is desirable to develop miRNA therapeutics with increased specificity and efficacy. To achieve that, we propose the concept of miRNA cooperativity in order to exert synergistic repression on target genes, thus lowering the required total amount of miRNAs. We first review miRNA therapies in clinical application. Next, we summarize the knowledge on the molecular mechanism and biological function of miRNA cooperativity and discuss its application in cancer therapies. We then propose and discuss a systems biology approach to investigate miRNA cooperativity for the clinical setting. Altogether, we point out the potential of miRNA cooperativity to reduce off-target effects and to complement conventional, targeted, or immune-based therapies for cancer.
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Affiliation(s)
- Xin Lai
- Laboratory of Systems Tumor Immunology, Department of Dermatology, Universitätsklinikum Erlangen, 91052 Erlangen, Germany
- Faculty of Medicine, Friedrich-Alexander University Erlangen-Nürnberg, 91052 Erlangen, Germany
| | - Martin Eberhardt
- Laboratory of Systems Tumor Immunology, Department of Dermatology, Universitätsklinikum Erlangen, 91052 Erlangen, Germany
- Faculty of Medicine, Friedrich-Alexander University Erlangen-Nürnberg, 91052 Erlangen, Germany
| | - Ulf Schmitz
- Computational BioMedicine Laboratory Centenary Institute, The University of Sydney, 2006 Camperdown, Australia
- Gene & Stem Cell Therapy Program Centenary Institute, The University of Sydney, 2006 Camperdown, Australia
- Sydney Medical School, The University of Sydney, 2006 Camperdown, Australia
| | - Julio Vera
- Laboratory of Systems Tumor Immunology, Department of Dermatology, Universitätsklinikum Erlangen, 91052 Erlangen, Germany
- Faculty of Medicine, Friedrich-Alexander University Erlangen-Nürnberg, 91052 Erlangen, Germany
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18
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Dropwort-induced metabolic reprogramming restrains YAP/TAZ/TEAD oncogenic axis in mesothelioma. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2019; 38:349. [PMID: 31399037 PMCID: PMC6689183 DOI: 10.1186/s13046-019-1352-3] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/24/2019] [Accepted: 08/01/2019] [Indexed: 02/08/2023]
Abstract
Background Over the past decade, newly designed cancer therapies have not significantly improved the survival of patients diagnosed with Malignant Pleural Mesothelioma (MPM). Among a limited number of genes that are frequently mutated in MPM several of them encode proteins that belong to the HIPPO tumor suppressor pathway. Methods The anticancer effects of the top flower standardized extract of Filipendula vulgaris (Dropwort) were characterized in “in vitro” and “in vivo” models of MPM. At the molecular level, two “omic” approaches were used to investigate Dropwort anticancer mechanism of action: a metabolomic profiling and a phosphoarray analysis. Results We found that Dropwort significantly reduced cell proliferation, viability, migration and in vivo tumor growth of MPM cell lines. Notably, Dropwort affected viability of tumor-initiating MPM cells and synergized with Cisplatin and Pemetrexed in vitro. Metabolomic profiling revealed that Dropwort treatment affected both glycolysis/tricarboxylic acid cycle as for the decreased consumption of glucose, pyruvate, succinate and acetate, and the lipid metabolism. We also document that Dropwort exerted its anticancer effects, at least partially, promoting YAP and TAZ protein ubiquitination. Conclusions Our findings reveal that Dropwort is a promising source of natural compound(s) for targeting the HIPPO pathway with chemo-preventive and anticancer implications for MPM management. Electronic supplementary material The online version of this article (10.1186/s13046-019-1352-3) contains supplementary material, which is available to authorized users.
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19
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Lamar JM, Xiao Y, Norton E, Jiang ZG, Gerhard GM, Kooner S, Warren JSA, Hynes RO. SRC tyrosine kinase activates the YAP/TAZ axis and thereby drives tumor growth and metastasis. J Biol Chem 2018; 294:2302-2317. [PMID: 30559289 PMCID: PMC6378979 DOI: 10.1074/jbc.ra118.004364] [Citation(s) in RCA: 111] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2018] [Revised: 11/27/2018] [Indexed: 01/02/2023] Open
Abstract
When properly employed, targeted therapies are effective cancer treatments. However, the development of such therapies requires the identification of targetable drivers of cancer development and metastasis. The expression and nuclear localization of the transcriptional coactivators Yes-associated protein (YAP) and transcriptional co-activator with PDZ-binding motif (TAZ) are increased in many human cancers, and experimental evidence indicates that aberrant YAP or TAZ activation drives tumor formation and metastasis. Although these findings make YAP and TAZ appealing therapeutic targets, both have important functions in adult tissues, so directly targeting them could cause adverse effects. The identification of pathways active in cancer cells and required for YAP/TAZ activity could provide a way to inhibit YAP and TAZ. Here, we show that SRC proto-oncogene, nonreceptor tyrosine kinase (SRC) is an important driver of YAP/TAZ activity in human breast cancer and melanoma cells. SRC activation increased YAP/TAZ activity and the expression of YAP/TAZ-regulated genes. In contrast, SRC inhibition or knockdown repressed both YAP/TAZ activity and the expression of YAP/TAZ-regulated genes. We also show that SRC increases the activity of YAP and TAZ by repressing large tumor suppressor homolog (LATS), and we identify the GTPase-activating protein GIT ArfGAP 1 (GIT1) as an SRC effector that regulates both YAP and TAZ. Importantly, we demonstrate that SRC-mediated YAP/TAZ activity promotes tumor growth and enhances metastasis and that SRC-dependent tumor progression depends, at least in part, on YAP and TAZ. Our findings suggest that therapies targeting SRC could help manage some YAP/TAZ-dependent cancers.
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Affiliation(s)
- John M Lamar
- From the Department of Molecular and Cellular Physiology, Albany Medical College, Albany, New York 12208 and .,the Koch Institute for Integrative Cancer Research
| | - Yuxuan Xiao
- From the Department of Molecular and Cellular Physiology, Albany Medical College, Albany, New York 12208 and
| | - Emily Norton
- From the Department of Molecular and Cellular Physiology, Albany Medical College, Albany, New York 12208 and
| | - Zhi-Gang Jiang
- the Koch Institute for Integrative Cancer Research.,Howard Hughes Medical Institute, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139
| | - Genevieve M Gerhard
- From the Department of Molecular and Cellular Physiology, Albany Medical College, Albany, New York 12208 and
| | - Simrin Kooner
- From the Department of Molecular and Cellular Physiology, Albany Medical College, Albany, New York 12208 and
| | - Janine S A Warren
- From the Department of Molecular and Cellular Physiology, Albany Medical College, Albany, New York 12208 and
| | - Richard O Hynes
- the Koch Institute for Integrative Cancer Research, .,Howard Hughes Medical Institute, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139.,Department of Biology, and
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20
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Wahiduzzaman M, Karnan S, Ota A, Hanamura I, Murakami H, Inoko A, Rahman ML, Hyodo T, Konishi H, Tsuzuki S, Hosokawa Y. Establishment and characterization of CRISPR/Cas9-mediated NF2 -/- human mesothelial cell line: Molecular insight into fibroblast growth factor receptor 2 in malignant pleural mesothelioma. Cancer Sci 2018; 110:180-193. [PMID: 30417500 PMCID: PMC6317947 DOI: 10.1111/cas.13871] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2018] [Revised: 11/06/2018] [Accepted: 11/06/2018] [Indexed: 12/12/2022] Open
Abstract
Malignant pleural mesothelioma (MPM), a highly refractory tumor, is currently incurable due to the lack of an early diagnosis method and medication, both of which are urgently needed to improve the survival and/or quality of life of patients. NF2 is a tumor suppressor gene and is frequently mutated in MPM. Using a CRISPR/Cas9 system, we generated an NF2‐knockout human mesothelial cell line, MeT‐5A (NF2‐KO). In NF2‐KO cell clones, cell growth, clonogenic activity, migration activity, and invasion activity significantly increased compared with those in NF2‐WT cell clones. Complementary DNA microarray analysis clearly revealed the differences in global gene expression profile between NF2‐WT and NF2‐KO cell clones. Quantitative PCR analysis and western blot analysis showed that the upregulation of fibroblast growth factor receptor 2 (FGFR2) was concomitant with the increases in phosphorylation levels of JNK, c‐Jun, and retinoblastoma (Rb) in NF2‐KO cell clones. These increases were all abrogated by the exogenous expression of NF2 in the NF2‐KO clone. In addition, the disruption of FGFR2 in the NF2‐KO cell clone suppressed cell proliferation as well as the phosphorylation levels of JNK, c‐Jun, and Rb. Notably, FGFR2 was found to be highly expressed in NF2‐negative human mesothelioma tissues (11/12 cases, 91.7%) but less expressed in NF2‐positive tissues. Collectively, these findings suggest that NF2 deficiency might play a role in the tumorigenesis of human mesothelium through mediating FGFR2 expression; FGFR2 would be a candidate molecule to develop therapeutic and diagnostic strategies for targeting MPM with NF2 loss.
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Affiliation(s)
- Md Wahiduzzaman
- Department of Biochemistry, Aichi Medical University School of Medicine, Nagakute, Japan
| | - Sivasundaram Karnan
- Department of Biochemistry, Aichi Medical University School of Medicine, Nagakute, Japan
| | - Akinobu Ota
- Department of Biochemistry, Aichi Medical University School of Medicine, Nagakute, Japan
| | - Ichiro Hanamura
- Division of Hematology, Department of Internal Medicine, Aichi Medical University School of Medicine, Nagakute, Japan
| | - Hideki Murakami
- Department of Pathology, Aichi Medical University School of Medicine, Nagakute, Japan
| | - Akihito Inoko
- Division of Cancer Epidemiology and Prevention, Aichi Cancer Center Research Institute, Nagoya, Japan
| | - Md Lutfur Rahman
- Department of Biochemistry, Aichi Medical University School of Medicine, Nagakute, Japan
| | - Toshinori Hyodo
- Department of Biochemistry, Aichi Medical University School of Medicine, Nagakute, Japan
| | - Hiroyuki Konishi
- Department of Biochemistry, Aichi Medical University School of Medicine, Nagakute, Japan
| | - Shinobu Tsuzuki
- Department of Biochemistry, Aichi Medical University School of Medicine, Nagakute, Japan
| | - Yoshitaka Hosokawa
- Department of Biochemistry, Aichi Medical University School of Medicine, Nagakute, Japan
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21
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Hsu PC, Yang CT, Jablons DM, You L. The Role of Yes-Associated Protein (YAP) in Regulating Programmed Death-Ligand 1 (PD-L1) in Thoracic Cancer. Biomedicines 2018; 6:biomedicines6040114. [PMID: 30544524 PMCID: PMC6315659 DOI: 10.3390/biomedicines6040114] [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: 11/10/2018] [Revised: 11/29/2018] [Accepted: 12/04/2018] [Indexed: 12/31/2022] Open
Abstract
The programmed death-ligand 1(PD-L1)/PD-1 pathway is an immunological checkpoint in cancer cells. The binding of PD-L1 and PD-1 promotes T-cell tolerance and helps tumor cells escape from host immunity. Immunotherapy targeting the PD-L1/PD-1 axis has been developed as an anti-cancer therapy and used in treating advanced human non-small cell lung cancer (NSCLC) and malignant pleural mesothelioma (MPM). Yes-associated protein (YAP) is a key mediator of the Hippo/YAP signaling pathway, and plays important roles in promoting cancer development, drug resistance and metastasis in human NSCLC and MPM. YAP has been suggested as a new therapeutic target in NSCLC and MPM. The role of YAP in regulating tumor immunity such as PD-L1 expression has just begun to be explored, and the correlation between YAP-induced tumorigenesis and host anti-tumor immune responses is not well known. Here, we review recent studies investigating the correlation between YAP and PD-L1 and demonstrating the mechanism by which YAP regulates PD-L1 expression in human NSCLC and MPM. Future work should focus on the interactions between Hippo/YAP signaling pathways and the immune checkpoint PD-L1/PD-1 pathway. The development of new synergistic drugs for immune checkpoint PD-L1/PD-1 blockade in NSCLC and MPM is warranted.
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Affiliation(s)
- Ping-Chih Hsu
- Department of Surgery, Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, CA 94115, USA.
- Department of Thoracic Medicine, Chang Gung Memorial Hospital, Linkou, Taoyuan 33305, Taiwan.
| | - Cheng-Ta Yang
- Department of Thoracic Medicine, Chang Gung Memorial Hospital, Linkou, Taoyuan 33305, Taiwan.
| | - David M Jablons
- Department of Surgery, Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, CA 94115, USA.
| | - Liang You
- Department of Surgery, Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, CA 94115, USA.
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22
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TAZ activation by Hippo pathway dysregulation induces cytokine gene expression and promotes mesothelial cell transformation. Oncogene 2018; 38:1966-1978. [PMID: 30401981 DOI: 10.1038/s41388-018-0417-7] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2018] [Revised: 07/03/2018] [Accepted: 07/05/2018] [Indexed: 12/13/2022]
Abstract
Malignant mesothelioma (MM) constitutes a very aggressive tumor that is caused by asbestos exposure after long latency. The NF2 tumor suppressor gene is mutated in 40-50% of MM; moreover, one of its downstream signaling cascades, the Hippo signaling pathway, is also frequently inactivated in MM cells. Although the YAP transcriptional coactivator, which is regulated by the Hippo pathway, can function as a pro-oncogenic protein, the role of TAZ, a paralog of YAP, in MM cells has not yet been clarified. Here, we show that TAZ is expressed and underphosphorylated (activated) in the majority of MM cells compared to immortalized mesothelial cells. ShRNA-mediated TAZ knockdown highly suppressed cell proliferation, anchorage-independent growth, cell motility, and invasion in MM cells harboring activated TAZ. Conversely, transduction of an activated form of TAZ in immortalized mesothelial cells enhanced these in vitro phenotypes and conferred tumorigenicity in vivo. Microarray analysis determined that activated TAZ most significantly enhanced the transcription of genes related to "cytokine-cytokine receptor interaction." Among selected cytokines, we found that IL-1 signaling activation plays a major role in proliferation in TAZ-activated MM cells. Both IL1B knockdown and an IL-1 receptor antagonist significantly suppressed malignant phenotypes of immortalized mesothelial cells and MM cells with activated TAZ. Overall, these results indicate an oncogenic role for TAZ in MMs via transcriptional induction of distinct pro-oncogenic genes including cytokines. Among these, IL-1 signaling appears as one of the most important cascades, thus potentially serving as a target pathway in MM cells harboring Hippo pathway inactivation.
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23
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Dalal S, Connelly B, Singh M, Singh K. NF2 signaling pathway plays a pro-apoptotic role in β-adrenergic receptor stimulated cardiac myocyte apoptosis. PLoS One 2018; 13:e0196626. [PMID: 29709009 PMCID: PMC5927447 DOI: 10.1371/journal.pone.0196626] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2018] [Accepted: 04/16/2018] [Indexed: 12/24/2022] Open
Abstract
β-adrenergic receptor (β-AR) stimulation induces cardiac myocyte apoptosis in vitro and in vivo. Neurofibromin 2 (NF2) is a member of the ezrin/radixin/moesin (ERM) family of proteins. Post-translational modifications such as phosphorylation and sumoylation affect NF2 activity, subcellular localization and function. Here, we tested the hypothesis that β-AR stimulation induces post-translational modifications of NF2, and NF2 plays a pro-apoptotic role in β-AR-stimulated myocyte apoptosis.
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Affiliation(s)
- Suman Dalal
- Department of Biomedical Sciences, James H Quillen College of Medicine, East Tennessee State University, Johnson City, TN, United States of America
| | - Barbara Connelly
- Department of Biomedical Sciences, James H Quillen College of Medicine, East Tennessee State University, Johnson City, TN, United States of America
| | - Mahipal Singh
- Department of Biomedical Sciences, James H Quillen College of Medicine, East Tennessee State University, Johnson City, TN, United States of America
| | - Krishna Singh
- Department of Biomedical Sciences, James H Quillen College of Medicine, East Tennessee State University, Johnson City, TN, United States of America
- Center for Inflammation, Infectious Disease and Immunity, East Tennessee State University, Johnson City, TN, United States of America
- James H Quillen Veterans Affairs Medical Center, Mountain Home, TN, United States of America
- * E-mail:
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24
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Warren JSA, Xiao Y, Lamar JM. YAP/TAZ Activation as a Target for Treating Metastatic Cancer. Cancers (Basel) 2018; 10:cancers10040115. [PMID: 29642615 PMCID: PMC5923370 DOI: 10.3390/cancers10040115] [Citation(s) in RCA: 108] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2018] [Revised: 04/01/2018] [Accepted: 04/03/2018] [Indexed: 12/20/2022] Open
Abstract
Yes-Associated Protein (YAP) and Transcriptional Co-activator with PDZ-binding Motif (TAZ) have both emerged as important drivers of cancer progression and metastasis. YAP and TAZ are often upregulated or nuclear localized in aggressive human cancers. There is abundant experimental evidence demonstrating that YAP or TAZ activation promotes cancer formation, tumor progression, and metastasis. In this review we summarize the evidence linking YAP/TAZ activation to metastasis, and discuss the roles of YAP and TAZ during each step of the metastatic cascade. Collectively, this evidence strongly suggests that inappropriate YAP or TAZ activity plays a causal role in cancer, and that targeting aberrant YAP/TAZ activation is a promising strategy for the treatment of metastatic disease. To this end, we also discuss several potential strategies for inhibiting YAP/TAZ activation in cancer and the challenges each strategy poses.
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Affiliation(s)
- Janine S A Warren
- Department of Molecular and Cellular Physiology, Albany Medical College, Albany, NY 12208, USA.
| | - Yuxuan Xiao
- Department of Molecular and Cellular Physiology, Albany Medical College, Albany, NY 12208, USA.
| | - John M Lamar
- Department of Molecular and Cellular Physiology, Albany Medical College, Albany, NY 12208, USA.
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25
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Hsu PC, Miao J, Wang YC, Zhang WQ, Yang YL, Wang CW, Yang CT, Huang Z, You J, Xu Z, Jablons DM, You L. Inhibition of yes-associated protein down-regulates PD-L1 (CD274) expression in human malignant pleural mesothelioma. J Cell Mol Med 2018; 22:3139-3148. [PMID: 29575535 PMCID: PMC5980156 DOI: 10.1111/jcmm.13593] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2017] [Accepted: 02/06/2018] [Indexed: 12/29/2022] Open
Abstract
Although tumour PD‐L1 (CD274) expression had been used as a predictive biomarker in checkpoint immunotherapy targeting the PD1/PD‐L1 axis in various cancers, the regulation of PD‐L1 (CD274) expression is unclear. Yes‐associated protein (YAP), an important oncogenic protein in Hippo signalling pathway, reportedly promotes cancer development. We investigated whether inhibition of YAP down‐regulates PD‐L1 (CD274) in human malignant pleural mesothelioma (MPM). Western blotting showed that 2 human MPM cell lines (H2052 and 211H) had increased PD‐L1 protein expression compared to H290, MS‐1 and H28 cells. In H2052 and 211H cells, PD‐L1 mRNA expression was significantly increased compared to other MPM cell lines; YAP knockdown by small interfering RNA decreased PD‐L1 protein and mRNA expression. Forced overexpression of the YAP gene increased PD‐L1 protein expression in H2452 cells. Chromatin immunoprecipitation (ChIP) assay showed the precipitation of PD‐L1 enhancer region encompassing 2 putative YAP‐TEAD‐binding sites in H2052 cells. We found that, in human MPM tissue microarray samples, YAP and PD‐L1 concurrently expressed in immunohistochemistry stain (n = 70, P < .05, chi‐square). We conclude that PD‐L1 is correlated with YAP expression, and inhibition of YAP down‐regulates PD‐L1 expression in human MPM. Further study of how YAP regulates PD‐L1 in MPM is warranted.
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Affiliation(s)
- Ping-Chih Hsu
- Department of Surgery, Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, San Francisco, CA, USA.,Department of Thoracic Medicine, Chang Gung Memorial Hospital, Linkou, Taoyuan, Taiwan
| | - Jinbai Miao
- Department of Surgery, Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, San Francisco, CA, USA.,Department of Thoracic Surgery, Beijing Chao-Yang Hospital, Affiliated with Capital Medical University, Beijing, China
| | - Yu-Cheng Wang
- Department of Surgery, Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, San Francisco, CA, USA
| | - Wen-Qian Zhang
- Department of Surgery, Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, San Francisco, CA, USA.,Department of Thoracic Surgery, Beijing Chao-Yang Hospital, Affiliated with Capital Medical University, Beijing, China
| | - Yi-Lin Yang
- Department of Surgery, Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, San Francisco, CA, USA
| | - Chih-Wei Wang
- Department of Pathology, Chang Gung Memorial Hospital, Linkou, Taoyuan, Taiwan
| | - Cheng-Ta Yang
- Department of Surgery, Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, San Francisco, CA, USA
| | - Zhen Huang
- Department of Hepatobiliary Surgery, National Cancer Center/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Joanna You
- Department of Surgery, Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, San Francisco, CA, USA
| | - Zhidong Xu
- Department of Surgery, Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, San Francisco, CA, USA
| | - David M Jablons
- Department of Surgery, Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, San Francisco, CA, USA
| | - Liang You
- Department of Surgery, Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, San Francisco, CA, USA
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26
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Heterogeneous Contributing Factors in MPM Disease Development and Progression: Biological Advances and Clinical Implications. Int J Mol Sci 2018; 19:ijms19010238. [PMID: 29342862 PMCID: PMC5796186 DOI: 10.3390/ijms19010238] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2017] [Revised: 01/08/2018] [Accepted: 01/10/2018] [Indexed: 02/07/2023] Open
Abstract
Malignant pleural mesothelioma (MPM) tumors are remarkably aggressive and most patients only survive for 5–12 months; irrespective of stage; after primary symptoms appear. Compounding matters is that MPM remains unresponsive to conventional standards of care; including radiation and chemotherapy. Currently; instead of relying on molecular signatures and histological typing; MPM treatment options are guided by clinical stage and patient characteristics because the mechanism of carcinogenesis has not been fully elucidated; although about 80% of cases can be linked to asbestos exposure. Several molecular pathways have been implicated in the MPM tumor microenvironment; such as angiogenesis; apoptosis; cell-cycle regulation and several growth factor-related pathways predicted to be amenable to therapeutic intervention. Furthermore, the availability of genomic data has improved our understanding of the pathobiology of MPM. The MPM genomic landscape is dominated by inactivating mutations in several tumor suppressor genes; such as CDKN2A; BAP1 and NF2. Given the complex heterogeneity of the tumor microenvironment in MPM; a better understanding of the interplay between stromal; endothelial and immune cells at the molecular level is required; to chaperone the development of improved personalized therapeutics. Many recent advances at the molecular level have been reported and several exciting new treatment options are under investigation. Here; we review the challenges and the most up-to-date biological advances in MPM pertaining to the molecular pathways implicated; progress at the genomic level; immunological progression of this fatal disease; and its link with developmental cell pathways; with an emphasis on prognostic and therapeutic treatment strategies.
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27
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Hsu PC, You B, Yang YL, Zhang WQ, Wang YC, Xu Z, Dai Y, Liu S, Yang CT, Li H, Hu B, Jablons DM, You L. YAP promotes erlotinib resistance in human non-small cell lung cancer cells. Oncotarget 2018; 7:51922-51933. [PMID: 27409162 PMCID: PMC5239524 DOI: 10.18632/oncotarget.10458] [Citation(s) in RCA: 87] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2015] [Accepted: 06/17/2016] [Indexed: 12/29/2022] Open
Abstract
Yes-associated protein (YAP) is a main mediator of the Hippo pathway, which promotes cancer development. Here we show that YAP promotes resistance to erlotinib in human non-small cell lung cancer (NSCLC) cells. We found that forced YAP overexpression through YAP plasmid transfection promotes erlotinib resistance in HCC827 (exon 19 deletion) cells. In YAP plasmid-transfected HCC827 cells, GTIIC reporter activity and Hippo downstream gene expression of AREG and CTGF increased significantly (P<0.05), as did ERBB3 mRNA expression (P<0.05). GTIIC reporter activity, ERBB3 protein and mRNA expression all increased in HCC827 erlotinib-resistance (ER) cells compared to parental HCC827 cells. Inhibition of YAP by small interfering RNA (siRNA) increased the cytotoxicity of erlotinib to H1975 (L858R+T790M) cells. In YAP siRNA-transfected H1975 cells, GTIIC reporter activity and downstream gene expression of AREG and CTGF decreased significantly (P<0.05). Verteporfin, YAP inhibitor had an effect similar to that of YAP siRNA; it increased sensitivity of H1975 cells to erlotinib and in combination with erlotinib, synergistically reduced migration, invasion and tumor sphere formation abilities in H1975 cells. Our results indicate that YAP promotes erlotinib resistance in the erlotinib-sensitive NSCLC cell line HCC827. Inhibition of YAP by siRNA increases sensitivity of erlotinib-resistant NSCLC cell line H1975 to erlotinib.
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Affiliation(s)
- Ping-Chih Hsu
- Thoracic Oncology Laboratory, Department of Surgery, Comprehensive Cancer Center, University of California, San Francisco, CA, USA.,Department of Thoracic Medicine, Chang Gung Memorial Hospital, Linkou, Taoyuan, Taiwan
| | - Bin You
- Thoracic Oncology Laboratory, Department of Surgery, Comprehensive Cancer Center, University of California, San Francisco, CA, USA.,Department of Thoracic Surgery, Beijing Chao-Yang Hospital, Affiliated with Capital University of Medical Science, Beijing, People's Republic of China
| | - Yi-Lin Yang
- Thoracic Oncology Laboratory, Department of Surgery, Comprehensive Cancer Center, University of California, San Francisco, CA, USA
| | - Wen-Qian Zhang
- Thoracic Oncology Laboratory, Department of Surgery, Comprehensive Cancer Center, University of California, San Francisco, CA, USA.,Department of Thoracic Surgery, Beijing Chao-Yang Hospital, Affiliated with Capital University of Medical Science, Beijing, People's Republic of China
| | - Yu-Cheng Wang
- Thoracic Oncology Laboratory, Department of Surgery, Comprehensive Cancer Center, University of California, San Francisco, CA, USA
| | - Zhidong Xu
- Thoracic Oncology Laboratory, Department of Surgery, Comprehensive Cancer Center, University of California, San Francisco, CA, USA
| | - Yuyuan Dai
- Thoracic Oncology Laboratory, Department of Surgery, Comprehensive Cancer Center, University of California, San Francisco, CA, USA
| | - Shu Liu
- Thoracic Oncology Laboratory, Department of Surgery, Comprehensive Cancer Center, University of California, San Francisco, CA, USA
| | - Cheng-Ta Yang
- Department of Thoracic Medicine, Chang Gung Memorial Hospital, Linkou, Taoyuan, Taiwan
| | - Hui Li
- Department of Thoracic Surgery, Beijing Chao-Yang Hospital, Affiliated with Capital University of Medical Science, Beijing, People's Republic of China
| | - Bin Hu
- Department of Thoracic Surgery, Beijing Chao-Yang Hospital, Affiliated with Capital University of Medical Science, Beijing, People's Republic of China
| | - David M Jablons
- Thoracic Oncology Laboratory, Department of Surgery, Comprehensive Cancer Center, University of California, San Francisco, CA, USA
| | - Liang You
- Thoracic Oncology Laboratory, Department of Surgery, Comprehensive Cancer Center, University of California, San Francisco, CA, USA
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28
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Mesrouze Y, Meyerhofer M, Bokhovchuk F, Fontana P, Zimmermann C, Martin T, Delaunay C, Izaac A, Kallen J, Schmelzle T, Erdmann D, Chène P. Effect of the acylation of TEAD4 on its interaction with co-activators YAP and TAZ. Protein Sci 2017; 26:2399-2409. [PMID: 28960584 DOI: 10.1002/pro.3312] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2017] [Revised: 08/30/2017] [Accepted: 09/25/2017] [Indexed: 01/02/2023]
Abstract
The Hippo pathway is deregulated in various cancers, and the discovery of molecules that modulate this pathway may open new therapeutic avenues in oncology. TEA/ATTS domain (TEAD) transcription factors are the most distal elements of the Hippo pathway and their transcriptional activity is regulated by the Yes-associated protein (YAP). Amongst the various possibilities for targeting this pathway, inhibition of the YAP:TEAD interaction is an attractive strategy. It has been shown recently that TEAD proteins are covalently linked via a conserved cysteine to a fatty acid molecule (palmitate) that binds to a deep hydrophobic cavity present in these proteins. This acylation of TEAD seems to be required for efficient binding to YAP, and understanding how it modulates the YAP:TEAD interaction may provide useful information on the regulation of TEAD function. In this report we have studied the effect of TEAD4 acylation on its interaction with YAP and the other co-activator transcriptional co-activator with PDZ-binding motif (TAZ). We show in our biochemical and cellular assays that YAP and TAZ bind in a similar manner to acylated and non-acylated TEAD4. This indicates that TEAD4 acylation is not a prerequisite for its interaction with YAP or TAZ. However, we observed that TEAD4 acylation significantly enhances its stability, suggesting that it may help this transcription factor to acquire and/or maintain its active conformation.
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Affiliation(s)
- Yannick Mesrouze
- Disease Area Oncology, Novartis Institutes for Biomedical Research, Basel, Switzerland
| | - Marco Meyerhofer
- Disease Area Oncology, Novartis Institutes for Biomedical Research, Basel, Switzerland
| | - Fedir Bokhovchuk
- Disease Area Oncology, Novartis Institutes for Biomedical Research, Basel, Switzerland
| | - Patrizia Fontana
- Disease Area Oncology, Novartis Institutes for Biomedical Research, Basel, Switzerland
| | - Catherine Zimmermann
- Disease Area Oncology, Novartis Institutes for Biomedical Research, Basel, Switzerland
| | - Typhaine Martin
- Disease Area Oncology, Novartis Institutes for Biomedical Research, Basel, Switzerland
| | - Clara Delaunay
- Disease Area Oncology, Novartis Institutes for Biomedical Research, Basel, Switzerland
| | - Aude Izaac
- Chemical Biology & Therapeutics, Novartis Institutes for Biomedical Research, Basel, Switzerland
| | - Joerg Kallen
- Chemical Biology & Therapeutics, Novartis Institutes for Biomedical Research, Basel, Switzerland
| | - Tobias Schmelzle
- Disease Area Oncology, Novartis Institutes for Biomedical Research, Basel, Switzerland
| | - Dirk Erdmann
- Disease Area Oncology, Novartis Institutes for Biomedical Research, Basel, Switzerland
| | - Patrick Chène
- Disease Area Oncology, Novartis Institutes for Biomedical Research, Basel, Switzerland
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29
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Zhang W, Dai Y, Hsu P, Wang H, Cheng L, Yang Y, Wang Y, Xu Z, Liu S, Chan G, Hu B, Li H, Jablons DM, You L. Targeting YAP in malignant pleural mesothelioma. J Cell Mol Med 2017; 21:2663-2676. [PMID: 28470935 PMCID: PMC5661117 DOI: 10.1111/jcmm.13182] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2016] [Accepted: 03/04/2017] [Indexed: 12/28/2022] Open
Abstract
Malignant mesothelioma is an aggressive cancer that is resistant to current therapy. The poor prognosis of mesothelioma has been associated with elevated Yes-associated protein (YAP) activity. In this study, we evaluated the effect of targeting YAP in mesothelioma. First, we comprehensively studied YAP activity in five mesothelioma cell lines (211H, H2052, H290, MS-1 and H2452) and one normal mesothelial cell line (LP9). We found decreased phospho-YAP to YAP protein ratio and consistently increased GTIIC reporter activity in 211H, H2052 and H290 compared to LP9. The same three cell lines (IC50 s < 1 μM) were more sensitive than LP9 (IC50 = 3.5 μM) to the YAP/TEAD inhibitor verteporfin. We also found that verteporfin significantly reduced YAP protein level, mRNA levels of YAP downstream genes and GTIIC reporter activity in the same three cell lines, indicating inhibition of YAP signaling by verteporfin. Verteporfin also impaired invasion and tumoursphere formation ability of H2052 and H290. To validate the effect of specific targeting YAP in mesothelioma cells, we down-regulated YAP by siRNA. We found siYAP significantly decreased YAP transcriptional activity and impaired invasion and tumoursphere formation ability of H2052 and H290. Furthermore, forced overexpression of YAP rescued GTIIC reporter activity and cell viability after siYAP targeting 3'UTR of YAP. Finally, we found concurrent immunohistochemistry staining of ROCK2 and YAP (P < 0.05). Inhibition of ROCK2 decreased GTIIC reporter activity in H2052 and 211H suggesting that Rho/ROCK signaling also contributed to YAP activation in mesothelioma cells. Our results indicate that YAP may be a potential therapeutic target in mesothelioma.
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MESH Headings
- 3' Untranslated Regions
- Adaptor Proteins, Signal Transducing/antagonists & inhibitors
- Adaptor Proteins, Signal Transducing/genetics
- Adaptor Proteins, Signal Transducing/metabolism
- Antineoplastic Agents/pharmacology
- Cell Line, Tumor
- DNA-Binding Proteins/antagonists & inhibitors
- DNA-Binding Proteins/genetics
- DNA-Binding Proteins/metabolism
- Epithelial Cells/drug effects
- Epithelial Cells/metabolism
- Epithelial Cells/pathology
- Gene Expression Regulation, Neoplastic
- Genes, Reporter
- Humans
- Lung Neoplasms/genetics
- Lung Neoplasms/metabolism
- Lung Neoplasms/pathology
- Mesothelioma/genetics
- Mesothelioma/metabolism
- Mesothelioma/pathology
- Mesothelioma, Malignant
- Nuclear Proteins/antagonists & inhibitors
- Nuclear Proteins/genetics
- Nuclear Proteins/metabolism
- Phosphoproteins/antagonists & inhibitors
- Phosphoproteins/genetics
- Phosphoproteins/metabolism
- Phosphorylation
- Porphyrins/pharmacology
- Prognosis
- RNA, Messenger/antagonists & inhibitors
- RNA, Messenger/genetics
- RNA, Messenger/metabolism
- RNA, Small Interfering/genetics
- RNA, Small Interfering/metabolism
- Signal Transduction
- Spheroids, Cellular/drug effects
- Spheroids, Cellular/metabolism
- Spheroids, Cellular/pathology
- TEA Domain Transcription Factors
- Transcription Factors/antagonists & inhibitors
- Transcription Factors/genetics
- Transcription Factors/metabolism
- Verteporfin
- YAP-Signaling Proteins
- rho-Associated Kinases/genetics
- rho-Associated Kinases/metabolism
- rhoA GTP-Binding Protein/genetics
- rhoA GTP-Binding Protein/metabolism
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Affiliation(s)
- Wen‐Qian Zhang
- Thoracic Oncology LaboratoryDepartment of Surgery, Comprehensive Cancer CenterUniversity of CaliforniaSan FranciscoCAUSA
- Department of Thoracic SurgeryBeijing Chao‐Yang HospitalAffiliated with Capital University of Medical ScienceBeijingChina
| | - Yu‐Yuan Dai
- Thoracic Oncology LaboratoryDepartment of Surgery, Comprehensive Cancer CenterUniversity of CaliforniaSan FranciscoCAUSA
| | - Ping‐Chih Hsu
- Thoracic Oncology LaboratoryDepartment of Surgery, Comprehensive Cancer CenterUniversity of CaliforniaSan FranciscoCAUSA
- Department of Thoracic MedicineChang Gung Memorial HospitalLinkou, TaoyuanTaiwan
| | - Hui Wang
- Thoracic Oncology LaboratoryDepartment of Surgery, Comprehensive Cancer CenterUniversity of CaliforniaSan FranciscoCAUSA
- Department of RespirationThe Second Hospital of Shandong UniversityJinanChina
| | - Li Cheng
- Thoracic Oncology LaboratoryDepartment of Surgery, Comprehensive Cancer CenterUniversity of CaliforniaSan FranciscoCAUSA
- Department of GastroenterologyShanghai General HospitalShang Jiao Tong UniversityShanghaiChina
| | - Yi‐Lin Yang
- Thoracic Oncology LaboratoryDepartment of Surgery, Comprehensive Cancer CenterUniversity of CaliforniaSan FranciscoCAUSA
| | - Yu‐Cheng Wang
- Thoracic Oncology LaboratoryDepartment of Surgery, Comprehensive Cancer CenterUniversity of CaliforniaSan FranciscoCAUSA
| | - Zhi‐Dong Xu
- Thoracic Oncology LaboratoryDepartment of Surgery, Comprehensive Cancer CenterUniversity of CaliforniaSan FranciscoCAUSA
| | - Shu Liu
- Thoracic Oncology LaboratoryDepartment of Surgery, Comprehensive Cancer CenterUniversity of CaliforniaSan FranciscoCAUSA
| | - Geraldine Chan
- Thoracic Oncology LaboratoryDepartment of Surgery, Comprehensive Cancer CenterUniversity of CaliforniaSan FranciscoCAUSA
| | - Bin Hu
- Department of Thoracic SurgeryBeijing Chao‐Yang HospitalAffiliated with Capital University of Medical ScienceBeijingChina
| | - Hui Li
- Department of Thoracic SurgeryBeijing Chao‐Yang HospitalAffiliated with Capital University of Medical ScienceBeijingChina
| | - David M. Jablons
- Thoracic Oncology LaboratoryDepartment of Surgery, Comprehensive Cancer CenterUniversity of CaliforniaSan FranciscoCAUSA
| | - Liang You
- Thoracic Oncology LaboratoryDepartment of Surgery, Comprehensive Cancer CenterUniversity of CaliforniaSan FranciscoCAUSA
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30
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Huang S, Zhu L, Cao Y, Li L, Xie Y, Deng J, Xiong J. Significant association of YAP1 and HSPC111 proteins with poor prognosis in Chinese gastric cancer patients. Oncotarget 2017; 8:80303-80314. [PMID: 29113304 PMCID: PMC5655199 DOI: 10.18632/oncotarget.17932] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2017] [Accepted: 05/03/2017] [Indexed: 12/11/2022] Open
Abstract
Hippo-YAP1 is a tumor-suppressor signaling pathway that inhibits cell proliferation and accelerates apoptosis. However, the role of YAP1 in gastric cancer (GC) is still in dispute. Ribosomal biogenesis is closely correlated with human malignancies. HBV pre-S2 trans-regulated protein 3 (HSPC111) is a portion of an RNA-dependent complex and plays a crucial role in ribosome biosynthesis. Nevertheless, little is known about the expression and function of this factor in GC. In the present study, we evaluated the significance of YAP1 together with HSPC111 in gastric cancer. According to The Cancer Genome Atlas database, high YAP1 mRNA expression was significantly associated with poor prognosis of GC patients, and dramatically increased mRNA levels of HSPC111 are observed in GC tissues. Consistent with these findings, we detected increased expression of both YAP1 and HSPC111 in GC cell lines and clinical samples. Notably, nuclear expression of YAP1 was positively correlated with clinical stage (P = 0.041), tumor size (P = 0.023), and lymph node metastasis (P = 0.007), while HSPC111 expression was correlated with lymph node metastasis (P = 0.014). Our analyses also detected a correlation between HSPC111 expression and nuclear and cytoplasmic YAP1 in clinical samples (nuclear: r = 0.2615, P = 0.004; cytoplasm: r = -0.3721, P < 0.001) and cell lines. Finally, we showed that patients who were HSPC111- and nuclear YAP1-positive were associated with the worst prognosis (34.5 ± 4.8 months, p = 0.001), and that nuclear expression of YAP1 might act as an independent prognostic factor for GC patients.
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Affiliation(s)
- Shanshan Huang
- Department of Oncology, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi Province, 330006, China
| | - Lingling Zhu
- Department of Oncology, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi Province, 330006, China
| | - Yuan Cao
- Department of Oncology, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi Province, 330006, China
| | - Li Li
- Department of Oncology, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi Province, 330006, China
| | - Yongtao Xie
- Medical College of Nanchang University, Nanchang, Jiangxi Province, 330006, China
| | - Jun Deng
- Department of Oncology, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi Province, 330006, China
| | - Jianping Xiong
- Department of Oncology, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi Province, 330006, China
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31
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Guillemette S, Rico C, Godin P, Boerboom D, Paquet M. In Vitro Validation of the Hippo Pathway as a Pharmacological Target for Canine Mammary Gland Tumors. J Mammary Gland Biol Neoplasia 2017; 22:203-214. [PMID: 28822004 DOI: 10.1007/s10911-017-9384-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/09/2017] [Accepted: 08/02/2017] [Indexed: 01/12/2023] Open
Abstract
Canine mammary tumors (CMTs) are the most common neoplasms in intact female dogs. Some clinical and molecular similarities between certain CMT subtypes and breast cancer make them a potential model for the study of the human disease. As misregulated Hippo signaling is thought to play an important role in breast cancer development and also occurs in CMTs, we sought to determine if Hippo represents a valid pharmacological target for the treatment of CMTs. Six CMT cell lines were assessed for their expression of the Hippo pathway effectors YAP and TAZ and for their sensitivity to verteporfin, an inhibitor of YAP-mediated transcriptional coactivation. Four cell lines that expressed YAP (CMT-9, -12, -28, -47) were found to be very sensitive to verteporfin treatment, which killed the cells through induction of apoptosis with ED50 values of 14-79 nM. Conversely, two YAP-negative cell lines (CF-35, CMT-25) were an order of magnitude more resistant to verteporfin. Verteporfin suppressed the expression of YAP/TAZ target genes, particularly CYR61 and CTGF, which play important roles in breast cancer development. Verteporfin was also able to inhibit cell migration and anchorage-independent growth. Likewise, verteporfin efficiently suppressed tumor cell invasiveness in the CMT-28 and -47 lines, but not in CF-35 cells. Together, our findings provide proof of principle that pharmacological targeting of the Hippo pathway compromises the viability and attenuates the malignant behavior of CMT cells. These results will serve as the basis for the development of novel chemotherapeutic approaches for CMTs that could translate to human medicine.
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Affiliation(s)
- Samantha Guillemette
- Département de pathologie et de microbiologie, Faculté de médecine vétérinaire, Université de Montréal, Saint-Hyacinthe, QC, Canada
| | - Charlène Rico
- Département de Biomédecine Vétérinaire, Faculté de médecine vétérinaire, Université de Montréal, Saint-Hyacinthe, QC, Canada
| | - Philippe Godin
- Département de Biomédecine Vétérinaire, Faculté de médecine vétérinaire, Université de Montréal, Saint-Hyacinthe, QC, Canada
| | - Derek Boerboom
- Département de Biomédecine Vétérinaire, Faculté de médecine vétérinaire, Université de Montréal, Saint-Hyacinthe, QC, Canada
| | - Marilène Paquet
- Département de pathologie et de microbiologie, Faculté de médecine vétérinaire, Université de Montréal, Saint-Hyacinthe, QC, Canada.
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32
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Ou C, Sun Z, Li S, Li G, Li X, Ma J. Dual roles of yes-associated protein (YAP) in colorectal cancer. Oncotarget 2017; 8:75727-75741. [PMID: 29088905 PMCID: PMC5650460 DOI: 10.18632/oncotarget.20155] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2017] [Accepted: 07/30/2017] [Indexed: 02/07/2023] Open
Abstract
Yes-associated protein (YAP) is a downstream effector molecule of a newly emerging tumour suppressor pathway called the Hippo pathway. YAP is a transcriptional co-activator and mis-expressed in various cancers, including colorectal cancer (CRC). Accumulating studies show that the high expression of nuclear YAP is linked with tumour progression and decreased survival. Nuclear YAP can interact with other transcription factors to promote cancer cell proliferation, apoptosis, metastasis and maintenance of stemness. Therefore, YAP has the potential to be a tumour biomarker or therapeutic target for CRC. However, recently, a number of studies have supported a contradictory role for YAP as a tumour suppressor, demonstrating inhibition of the tumorigenesis of CRC, involvement in promoting cell apoptosis, and inhibiting the maintenance of intestinal stem cells and inflammatory activity. In these studies, high expression of YAP was highly correlated with worse survival in CRC. In this review, we will comprehensively summarize and analyse these paradoxical reports, and discuss both the oncogenic and tumour suppressor functions of YAP in the differential status of CRC progression. Further investigation into the mechanisms responsible for the dual function of YAP will be of great value in the prevention, early diagnosis, and therapy of CRC.
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Affiliation(s)
- Chunlin Ou
- Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan 410013, China.,Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Cancer Research Institute, Central South University, Changsha, Hunan 410078, China.,Hunan Key Laboratory of Nonresolving Inflammation and Cancer, The Third Xiangya Hospital, Central South University, Changsha, Hunan 410013, China
| | - Zhenqiang Sun
- Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan 410013, China.,Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Cancer Research Institute, Central South University, Changsha, Hunan 410078, China.,Department of Anorectal Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, China.,Department of Gastrointestinal Surgery, Tumor Hospital of Xinjiang Medical University, Urumqi, Xinjiang 830011, China
| | - Shen Li
- Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan 410013, China.,Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Cancer Research Institute, Central South University, Changsha, Hunan 410078, China
| | - Guiyuan Li
- Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan 410013, China.,Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Cancer Research Institute, Central South University, Changsha, Hunan 410078, China
| | - Xiayu Li
- Hunan Key Laboratory of Nonresolving Inflammation and Cancer, The Third Xiangya Hospital, Central South University, Changsha, Hunan 410013, China
| | - Jian Ma
- Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan 410013, China.,Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Cancer Research Institute, Central South University, Changsha, Hunan 410078, China.,Hunan Key Laboratory of Nonresolving Inflammation and Cancer, The Third Xiangya Hospital, Central South University, Changsha, Hunan 410013, China
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33
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Woodard GA, Yang YL, You L, Jablons DM. Drug development against the hippo pathway in mesothelioma. Transl Lung Cancer Res 2017; 6:335-342. [PMID: 28713678 DOI: 10.21037/tlcr.2017.06.02] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Advances in the treatments for malignant pleural mesothelioma (MPM) have been disappointing until recently. Conventional cytotoxic drugs fail in MPM in part because they do not address the cancer stem cell population or stem cell pathways that drive tumor resistance and resurgence following treatment. The Hippo stem cell pathway regulates cell contact inhibition with tumor suppressor genes such as NF2 (Neurofibromatosis 2) upstream controlling YAP (Yes-associated protein 1) oncogenes. NF2 is mutated in 40-50% of all MPM and downstream YAP is constitutively active in greater than 70% of MPM, making the downstream YAP/TEAD (transcriptional enhancer associate domain) complex the ultimate target. Novel small molecule YAP inhibitors are showing promising results in preclinical studies and may prove to be effective chemotherapy drugs in MPM.
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Affiliation(s)
- Gavitt A Woodard
- Department of Surgery, University of California, San Francisco, USA
| | - Yi-Lin Yang
- Department of Surgery, University of California, San Francisco, USA
| | - Liang You
- Department of Surgery, University of California, San Francisco, USA
| | - David M Jablons
- Department of Surgery, University of California, San Francisco, USA
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34
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Mesrouze Y, Bokhovchuk F, Meyerhofer M, Fontana P, Zimmermann C, Martin T, Delaunay C, Erdmann D, Schmelzle T, Chène P. Dissection of the interaction between the intrinsically disordered YAP protein and the transcription factor TEAD. eLife 2017; 6. [PMID: 28430104 PMCID: PMC5400505 DOI: 10.7554/elife.25068] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2017] [Accepted: 04/06/2017] [Indexed: 01/23/2023] Open
Abstract
TEAD (TEA/ATTS domain) transcription factors are the most distal effectors of the Hippo pathway. YAP (Yes-associated protein) is a coactivator protein which, upon binding to TEAD proteins, stimulates their transcriptional activity. Since the Hippo pathway is deregulated in various cancers, designing inhibitors of the YAP:TEAD interaction is an attractive therapeutic strategy for oncology. Understanding the molecular events that take place at the YAP:TEAD interface is therefore important not only to devise drug discovery approaches, but also to gain knowledge on TEAD regulation. In this report, combining single site-directed mutagenesis and double mutant analyses, we conduct a detailed analysis on the role of several residues located at the YAP:TEAD interface. Our results provide quantitative understanding of the interactions taking place at the YAP:TEAD interface and give insights into the formation of the YAP:TEAD complex and more particularly on the interaction between TEAD and the Ω-loop found in YAP. DOI:http://dx.doi.org/10.7554/eLife.25068.001
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Affiliation(s)
- Yannick Mesrouze
- Disease Area Oncology, Novartis Institutes for Biomedical Research, Basel, Switzerland
| | - Fedir Bokhovchuk
- Disease Area Oncology, Novartis Institutes for Biomedical Research, Basel, Switzerland
| | - Marco Meyerhofer
- Disease Area Oncology, Novartis Institutes for Biomedical Research, Basel, Switzerland
| | - Patrizia Fontana
- Disease Area Oncology, Novartis Institutes for Biomedical Research, Basel, Switzerland
| | - Catherine Zimmermann
- Disease Area Oncology, Novartis Institutes for Biomedical Research, Basel, Switzerland
| | - Typhaine Martin
- Disease Area Oncology, Novartis Institutes for Biomedical Research, Basel, Switzerland
| | - Clara Delaunay
- Disease Area Oncology, Novartis Institutes for Biomedical Research, Basel, Switzerland
| | - Dirk Erdmann
- Disease Area Oncology, Novartis Institutes for Biomedical Research, Basel, Switzerland
| | - Tobias Schmelzle
- Disease Area Oncology, Novartis Institutes for Biomedical Research, Basel, Switzerland
| | - Patrick Chène
- Disease Area Oncology, Novartis Institutes for Biomedical Research, Basel, Switzerland
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35
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Li H, Huang Z, Gao M, Huang N, Luo Z, Shen H, Wang X, Wang T, Hu J, Feng W. Inhibition of YAP suppresses CML cell proliferation and enhances efficacy of imatinib in vitro and in vivo. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2016; 35:134. [PMID: 27599610 PMCID: PMC5012077 DOI: 10.1186/s13046-016-0414-z] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/06/2016] [Accepted: 08/29/2016] [Indexed: 01/07/2023]
Abstract
BACKGROUND Yes-associated protein (YAP), an essential component of Hippo pathway, was identified as an oncoprotein which participated in the progression of various malignancies. However, its role in chronic myeloid leukemia (CML) remains to be further clarified. METHODS The expression of YAP in CML cells was determined by western blotting. Next, the effects of YAP knockdown and YAP inhibitor on CML cells were evaluated by MTT assay, flow cytometry (FCM) and Wright's staining. Moreover, K562 induced mice model was employed to further investigate the role of YAP in vivo. RESULTS YAP was overexpressed in CML cells. Knockdown of YAP by si-RNA or inhibition the function of YAP using verteporfin (VP) not only inhibited the proliferation, induced the apoptosis of CML cells but also reduced the expression of YAP target genes c-myc and survivin. Additionally, VP enhanced the efficacy of imatinib (IM) in vitro and suppressed leukemogenesis in vivo. CONCLUSION Our results indicate that YAP may play an important role in the proliferation and leukemogenesis of CML cells. Genetic or pharmacological inhibition of YAP provides a novel treatment strategy for CML.
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Affiliation(s)
- Hui Li
- Department of Clinical Hematology, Key Laboratory of Laboratory Medical Diagnostics Designated by the Ministry of Education, Chongqing Medical University, No.1, Yixueyuan Road, Chongqing, 400016, China
| | - Zhenglan Huang
- Department of Clinical Hematology, Key Laboratory of Laboratory Medical Diagnostics Designated by the Ministry of Education, Chongqing Medical University, No.1, Yixueyuan Road, Chongqing, 400016, China
| | - Miao Gao
- Department of Clinical Hematology, Key Laboratory of Laboratory Medical Diagnostics Designated by the Ministry of Education, Chongqing Medical University, No.1, Yixueyuan Road, Chongqing, 400016, China
| | - Ningshu Huang
- Department of Clinical Hematology, Key Laboratory of Laboratory Medical Diagnostics Designated by the Ministry of Education, Chongqing Medical University, No.1, Yixueyuan Road, Chongqing, 400016, China
| | - Zhenhong Luo
- Department of Clinical Hematology, Key Laboratory of Laboratory Medical Diagnostics Designated by the Ministry of Education, Chongqing Medical University, No.1, Yixueyuan Road, Chongqing, 400016, China
| | - Huawei Shen
- Department of Clinical Hematology, Key Laboratory of Laboratory Medical Diagnostics Designated by the Ministry of Education, Chongqing Medical University, No.1, Yixueyuan Road, Chongqing, 400016, China
| | - Xin Wang
- Department of Hematology, The First Affiliated Hospital, Chongqing Medical University, Chongqing, 400016, China
| | - Teng Wang
- Department of Clinical Hematology, Key Laboratory of Laboratory Medical Diagnostics Designated by the Ministry of Education, Chongqing Medical University, No.1, Yixueyuan Road, Chongqing, 400016, China
| | - Jing Hu
- Department of Clinical Hematology, Key Laboratory of Laboratory Medical Diagnostics Designated by the Ministry of Education, Chongqing Medical University, No.1, Yixueyuan Road, Chongqing, 400016, China
| | - Wenli Feng
- Department of Clinical Hematology, Key Laboratory of Laboratory Medical Diagnostics Designated by the Ministry of Education, Chongqing Medical University, No.1, Yixueyuan Road, Chongqing, 400016, China.
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36
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Bertero T, Oldham WM, Cottrill KA, Pisano S, Vanderpool RR, Yu Q, Zhao J, Tai Y, Tang Y, Zhang YY, Rehman S, Sugahara M, Qi Z, Gorcsan J, Vargas SO, Saggar R, Saggar R, Wallace WD, Ross DJ, Haley KJ, Waxman AB, Parikh VN, De Marco T, Hsue PY, Morris A, Simon MA, Norris KA, Gaggioli C, Loscalzo J, Fessel J, Chan SY. Vascular stiffness mechanoactivates YAP/TAZ-dependent glutaminolysis to drive pulmonary hypertension. J Clin Invest 2016; 126:3313-35. [PMID: 27548520 DOI: 10.1172/jci86387] [Citation(s) in RCA: 294] [Impact Index Per Article: 36.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2016] [Accepted: 07/07/2016] [Indexed: 12/18/2022] Open
Abstract
Dysregulation of vascular stiffness and cellular metabolism occurs early in pulmonary hypertension (PH). However, the mechanisms by which biophysical properties of the vascular extracellular matrix (ECM) relate to metabolic processes important in PH remain undefined. In this work, we examined cultured pulmonary vascular cells and various types of PH-diseased lung tissue and determined that ECM stiffening resulted in mechanoactivation of the transcriptional coactivators YAP and TAZ (WWTR1). YAP/TAZ activation modulated metabolic enzymes, including glutaminase (GLS1), to coordinate glutaminolysis and glycolysis. Glutaminolysis, an anaplerotic pathway, replenished aspartate for anabolic biosynthesis, which was critical for sustaining proliferation and migration within stiff ECM. In vitro, GLS1 inhibition blocked aspartate production and reprogrammed cellular proliferation pathways, while application of aspartate restored proliferation. In the monocrotaline rat model of PH, pharmacologic modulation of pulmonary vascular stiffness and YAP-dependent mechanotransduction altered glutaminolysis, pulmonary vascular proliferation, and manifestations of PH. Additionally, pharmacologic targeting of GLS1 in this model ameliorated disease progression. Notably, evaluation of simian immunodeficiency virus-infected nonhuman primates and HIV-infected subjects revealed a correlation between YAP/TAZ-GLS activation and PH. These results indicate that ECM stiffening sustains vascular cell growth and migration through YAP/TAZ-dependent glutaminolysis and anaplerosis, and thereby link mechanical stimuli to dysregulated vascular metabolism. Furthermore, this study identifies potential metabolic drug targets for therapeutic development in PH.
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37
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Tao SC, Gao YS, Zhu HY, Yin JH, Chen YX, Zhang YL, Guo SC, Zhang CQ. Decreased extracellular pH inhibits osteogenesis through proton-sensing GPR4-mediated suppression of yes-associated protein. Sci Rep 2016; 6:26835. [PMID: 27256071 PMCID: PMC4891712 DOI: 10.1038/srep26835] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2016] [Accepted: 05/09/2016] [Indexed: 12/27/2022] Open
Abstract
The pH of extracellular fluids is a basic property of the tissue microenvironment and is normally maintained at 7.40 ± 0.05 in humans. Many pathological circumstances, such as ischemia, inflammation, and tumorigenesis, result in the reduction of extracellular pH in the affected tissues. In this study, we reported that the osteogenic differentiation of BMSCs was significantly inhibited by decreases in the extracellular pH. Moreover, we demonstrated that proton-sensing GPR4 signaling mediated the proton-induced inhibitory effects on the osteogenesis of BMSCs. Additionally, we found that YAP was the downstream effector of GPR4 signaling. Our findings revealed that the extracellular pH modulates the osteogenic responses of BMSCs by regulating the proton-sensing GPR4-YAP pathway.
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Affiliation(s)
- Shi-Cong Tao
- Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai 200233, China
| | - You-Shui Gao
- Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai 200233, China
| | - Hong-Yi Zhu
- Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai 200233, China
| | - Jun-Hui Yin
- Institute of Microsurgery on Extremities, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai 200233, China
| | - Yi-Xuan Chen
- Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai 200233, China
| | - Yue-Lei Zhang
- Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai 200233, China
| | - Shang-Chun Guo
- Institute of Microsurgery on Extremities, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai 200233, China
| | - Chang-Qing Zhang
- Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai 200233, China.,Institute of Microsurgery on Extremities, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai 200233, China
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38
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Zhou Z, Zhu JS, Gao CP, Li LP, Zhou C, Wang H, Liu XG. siRNA targeting YAP gene inhibits gastric carcinoma growth and tumor metastasis in SCID mice. Oncol Lett 2016; 11:2806-2814. [PMID: 27073556 PMCID: PMC4812121 DOI: 10.3892/ol.2016.4319] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2014] [Accepted: 02/11/2016] [Indexed: 12/26/2022] Open
Abstract
Yes-associated protein (YAP) is constitutively activated in numerous types of cancer, including gastric carcinoma. The aim of the present study was to investigate the effects of YAP silencing on proliferation, apoptosis, metastasis and angiogenesis in a gastric orthotopic implantation cancer model of severe combined immunodeficiency mice. Small-hairpin RNA (shRNA) targeting the YAP gene was employed to inhibit YAP expression. SGC7901 cells transfected with YAP shRNA demonstrated significantly decreased gastric cancer growth and metastasis in the orthotopic implantation mouse model. Silencing of YAP additionally promoted tumor cell apoptosis, and inhibited tumor cell proliferation and angiogenesis. Notably, YAP shRNA also downregulated the expression of TEA domain family member 1, cyclinD1, vascular endothelial growth factor and fibroblast growth factor-2. The results of the present study suggested that YAP may have a significant role in the proliferation, metastasis and angiogenesis of gastric cancer. RNA interference-mediated silencing of YAP may provide an opportunity to develop a novel treatment strategy for gastric cancer.
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Affiliation(s)
- Zhou Zhou
- Department of Gastroenterology, Sichuan Provincial People's Hospital, Chengdu, Sichuan 610072, P.R. China
| | - Jin-Shui Zhu
- Department of Gastroenterology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai 200233, P.R. China
| | - Cai-Ping Gao
- Department of Gastroenterology, Sichuan Provincial People's Hospital, Chengdu, Sichuan 610072, P.R. China
| | - Liang-Ping Li
- Department of Gastroenterology, Sichuan Provincial People's Hospital, Chengdu, Sichuan 610072, P.R. China
| | - Chao Zhou
- Department of Gastroenterology, Sichuan Provincial People's Hospital, Chengdu, Sichuan 610072, P.R. China
| | - Han Wang
- Department of Gastroenterology, Sichuan Provincial People's Hospital, Chengdu, Sichuan 610072, P.R. China
| | - Xiao-Gang Liu
- Department of Gastroenterology, Sichuan Provincial People's Hospital, Chengdu, Sichuan 610072, P.R. China
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Zhou Y, Huang T, Cheng ASL, Yu J, Kang W, To KF. The TEAD Family and Its Oncogenic Role in Promoting Tumorigenesis. Int J Mol Sci 2016; 17:ijms17010138. [PMID: 26805820 PMCID: PMC4730377 DOI: 10.3390/ijms17010138] [Citation(s) in RCA: 115] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2015] [Revised: 01/14/2016] [Accepted: 01/15/2016] [Indexed: 01/22/2023] Open
Abstract
The TEAD family of transcription factors is necessary for developmental processes. The family members contain a TEA domain for the binding with DNA elements and a transactivation domain for the interaction with transcription coactivators. TEAD proteins are required for the participation of coactivators to transmit the signal of pathways for the downstream signaling processes. TEADs also play an important role in tumor initiation and facilitate cancer progression via activating a series of progression-inducing genes, such as CTGF, Cyr61, Myc and Gli2. Recent studies have highlighted that TEADs, together with their coactivators, promote or even act as the crucial parts in the development of various malignancies, such as liver, ovarian, breast and prostate cancers. Furthermore, TEADs are proposed to be useful prognostic biomarkers due to the ideal correlation between high expression and clinicopathological parameters in gastric, breast, ovarian and prostate cancers. In this review, we summarize the functional role of TEAD proteins in tumorigenesis and discuss the key role of TEAD transcription factors in the linking of signal cascade transductions. Improved knowledge of the TEAD proteins will be helpful for deep understanding of the molecular mechanisms of tumorigenesis and identifying ideal predictive or prognostic biomarkers, even providing clinical translation for anticancer therapy in human cancers.
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Affiliation(s)
- Yuhang Zhou
- Department of Anatomical and Cellular Pathology, State Key Laboratory of Oncology in South China, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, China.
- Institute of Digestive Disease, Partner State Key Laboratory of Digestive Disease, The Chinese University of Hong Kong, Hong Kong, China.
- Li Ka Shing Institute of Health Science, Sir Y.K. Pao Cancer Center, The Chinese University of Hong Kong, Hong Kong, China.
- Shenzhen Research Institute, The Chinese University of Hong Kong, Shenzhen 518000, China.
| | - Tingting Huang
- Department of Anatomical and Cellular Pathology, State Key Laboratory of Oncology in South China, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, China.
- Institute of Digestive Disease, Partner State Key Laboratory of Digestive Disease, The Chinese University of Hong Kong, Hong Kong, China.
- Li Ka Shing Institute of Health Science, Sir Y.K. Pao Cancer Center, The Chinese University of Hong Kong, Hong Kong, China.
- Shenzhen Research Institute, The Chinese University of Hong Kong, Shenzhen 518000, China.
| | - Alfred S L Cheng
- Institute of Digestive Disease, Partner State Key Laboratory of Digestive Disease, The Chinese University of Hong Kong, Hong Kong, China.
- Shenzhen Research Institute, The Chinese University of Hong Kong, Shenzhen 518000, China.
- School of Biomedical Sciences, The Chinese University of Hong Kong, Hong Kong, China.
| | - Jun Yu
- Institute of Digestive Disease, Partner State Key Laboratory of Digestive Disease, The Chinese University of Hong Kong, Hong Kong, China.
- Shenzhen Research Institute, The Chinese University of Hong Kong, Shenzhen 518000, China.
- Department of Medicine and Therapeutics, The Chinese University of Hong Kong, Hong Kong, China.
| | - Wei Kang
- Department of Anatomical and Cellular Pathology, State Key Laboratory of Oncology in South China, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, China.
- Institute of Digestive Disease, Partner State Key Laboratory of Digestive Disease, The Chinese University of Hong Kong, Hong Kong, China.
- Li Ka Shing Institute of Health Science, Sir Y.K. Pao Cancer Center, The Chinese University of Hong Kong, Hong Kong, China.
- Shenzhen Research Institute, The Chinese University of Hong Kong, Shenzhen 518000, China.
| | - Ka Fai To
- Department of Anatomical and Cellular Pathology, State Key Laboratory of Oncology in South China, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, China.
- Institute of Digestive Disease, Partner State Key Laboratory of Digestive Disease, The Chinese University of Hong Kong, Hong Kong, China.
- Li Ka Shing Institute of Health Science, Sir Y.K. Pao Cancer Center, The Chinese University of Hong Kong, Hong Kong, China.
- Shenzhen Research Institute, The Chinese University of Hong Kong, Shenzhen 518000, China.
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