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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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Hutchenreuther J, Nguyen J, Quesnel K, Vincent KM, Petitjean L, Bourgeois S, Boyd M, Bou-Gharios G, Postovit LM, Leask A. Cancer-associated Fibroblast-specific Expression of the Matricellular Protein CCN1 Coordinates Neovascularization and Stroma Deposition in Melanoma Metastasis. CANCER RESEARCH COMMUNICATIONS 2024; 4:556-570. [PMID: 38363129 PMCID: PMC10898341 DOI: 10.1158/2767-9764.crc-23-0571] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/18/2023] [Revised: 01/19/2024] [Accepted: 02/09/2024] [Indexed: 02/17/2024]
Abstract
Melanoma is the leading cause of skin cancer-related death. As prognosis of patients with melanoma remains problematic, identification of new therapeutic targets remains essential. Matricellular proteins are nonstructural extracellular matrix proteins. They are secreted into the tumor microenvironment to coordinate behavior among different cell types, yet their contribution to melanoma is underinvestigated. Examples of matricellular proteins include those comprising the CCN family. The CCN family member, CCN1, is highly proangiogenic. Herein, we show that, in human patients with melanoma, although found in several tumor cell types, CCN1 is highly expressed by a subset of cancer-associated fibroblasts (CAF) in patients with melanoma and this expression correlates positively with expression of proangiogenic genes and progressive disease/resistance to anti-PD1 checkpoint inhibitors. Consistent with these observations, in a syngeneic C57BL6 mouse model of melanoma, loss of CCN1 expression from Col1A2-Cre-, herein identified as "universal," fibroblasts, impaired metastasis of subcutaneously injected B16F10 tumor cells to lung, concomitant with disrupted neovascularization and collagen organization. Disruption of the extracellular matrix in the loss of CCN1 was validated using a novel artificial intelligence-based image analysis platform that revealed significantly decreased phenotypic fibrosis and composite morphometric collagen scores. As drug resistance is linked to matrix deposition and neoangiogenesis, these data suggest that CCN1, due to its multifaceted role, may represent a novel therapeutic target for drug-resistant melanoma. Our data further emphasize the essential role that cancer-associated, (universal) Col1A2-Cre-fibroblasts and extracellular matrix remodeling play in coordinating behavior among different cell types within the tumor microenvironment. SIGNIFICANCE In human patients, the expression of proangiogenic matricellular protein CCN1 in CAFs correlates positively with expression of stroma and angiogenic markers and progressive disease/resistance to checkpoint inhibitor therapy. In an animal model, loss of CCN1 from CAFs impaired metastasis of melanoma cells, neovascularization, and collagen deposition, emphasizing that CAFs coordinate cellular behavior in a tumor microenvironment and that CCN1 may be a novel target.
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Affiliation(s)
- James Hutchenreuther
- Department of Physiology and Pharmacology, University of Western Ontario, London, Ontario, Canada
| | - John Nguyen
- College of Dentistry, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Katherine Quesnel
- Department of Dentistry, University of Western Ontario, London, Ontario, Canada
| | - Krista M. Vincent
- Department of Oncology, University of Alberta, Edmonton, Alberta, Canada
- Department of Medical Genetics, Children's Hospital of Eastern Ontario, Ottawa, Ontario, Canada
| | | | - Sophia Bourgeois
- Department of Biology, University of Western Ontario, London, Ontario, Canada
| | - Mark Boyd
- Office of the Vice President of Research, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - George Bou-Gharios
- Department of Musculoskeletal and Ageing Science, Institute of Life Course and Medical Sciences, University of Liverpool, Liverpool, United Kingdom
| | - Lynne-Marie Postovit
- Department of Biomedical and Molecular Sciences, Queens University, Kingston, Ontario, Canada
| | - Andrew Leask
- College of Dentistry, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
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Naik A, Leask A. Tumor-Associated Fibrosis Impairs the Response to Immunotherapy. Matrix Biol 2023; 119:125-140. [PMID: 37080324 DOI: 10.1016/j.matbio.2023.04.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 04/16/2023] [Accepted: 04/17/2023] [Indexed: 04/22/2023]
Abstract
Previously, impaired responses to immunotherapy in cancer had been attributed mainly to inherent tumor characteristics (tumor cell intrinsic factors) such as low immunogenicity, (low) mutational burden, weak host immune system, etc. However, mapping the responses of immunotherapeutic regimes in clinical trials for different types of cancer has pointed towards an obvious commonality - that tumors with a rich fibrotic stroma respond poorly or not at all. This has prompted a harder look on tumor cell extrinsic factors such as the surrounding tumor microenvironment (TME), and specifically, the fibrotic stroma as a potential enabler of immunotherapy failure. Indeed, the role of cancer-associated fibrosis in impeding efficacy of immunotherapy is now well-established. In fact, recent studies reveal a complex interconnection between fibrosis and treatment efficacy. Accordingly, in this review we provide a general overview of what a tumor associated fibrotic reaction is and how it interacts with the members of immune system that are frequently seen to be modulated in a failed immunotherapeutic regime.
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Affiliation(s)
- Angha Naik
- University of Saskatchewan, College of Dentistry, 105 Wiggins Road, Saskatoon, SK, Canada
| | - Andrew Leask
- University of Saskatchewan, College of Dentistry, 105 Wiggins Road, Saskatoon, SK, Canada.
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Birkeness LB, Banerjee S, Quadir M, Banerjee SK. The role of CCNs in controlling cellular communication in the tumor microenvironment. J Cell Commun Signal 2023; 17:35-45. [PMID: 35674933 PMCID: PMC10030743 DOI: 10.1007/s12079-022-00682-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Accepted: 05/10/2022] [Indexed: 12/12/2022] Open
Abstract
The Cellular communication network (CCN) family of growth regulatory factors comprises six secreted matricellular proteins that promote signal transduction through cell-cell or cell-matrix interaction. The diversity of functionality between each protein is specific to the many aspects of healthy and cancer biology. For example, CCN family proteins modulate cell adhesion, proliferation, migration, invasiveness, apoptosis, and survival. In addition, the expression of each protein regulates many biological and pathobiological processes within its microenvironment to regulate angiogenesis, inflammatory response, chondrogenesis, fibrosis, and mitochondrial integrity. The collective range of CCN operation remains fully comprehended; however, understanding each protein's microenvironment may draw more conclusions about the abundance of interactions and signaling cascades occurring within such issues. This review observes and distinguishes the various roles a CCN protein may execute within distinct tumor microenvironments and the biological associations among them. Finally. We also review how CCN-family proteins can be used in nano-based therapeutic implications.
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Affiliation(s)
- Lauren B Birkeness
- Cancer Research Unit, Research Division, VA Medical Center, 4801 Linwood Blvd, Kansas City, MO, 64128, USA
| | - Snigdha Banerjee
- Cancer Research Unit, Research Division, VA Medical Center, 4801 Linwood Blvd, Kansas City, MO, 64128, USA
- Department of Pathology and Laboratory Medicine, University of Kansas Medical Center, Kansas City, KS, 66106, USA
| | - Mohiuddin Quadir
- Department of Coatings and Polymeric Materials, North Dakota State University, Fargo, ND, 58108, USA
| | - Sushanta K Banerjee
- Cancer Research Unit, Research Division, VA Medical Center, 4801 Linwood Blvd, Kansas City, MO, 64128, USA.
- Department of Pathology and Laboratory Medicine, University of Kansas Medical Center, Kansas City, KS, 66106, USA.
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Ascenção K, Lheimeur B, Szabo C. Regulation of CyR61 expression and release by 3-mercaptopyruvate sulfurtransferase in colon cancer cells. Redox Biol 2022; 56:102466. [PMID: 36113340 PMCID: PMC9482125 DOI: 10.1016/j.redox.2022.102466] [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: 08/06/2022] [Revised: 08/29/2022] [Accepted: 09/02/2022] [Indexed: 10/28/2022] Open
Abstract
Cysteine-rich angiogenic inducer 61 (CYR61, also termed CCN family member 1 or CCN1), is a matricellular protein encoded by the CYR61 gene. This protein has been implicated in the regulation of various cancer-associated processes including tumor growth, angiogenesis, tumor cell adhesion, migration, and invasion as well as the regulation of anticancer drug resistance. Hydrogen sulfide (H2S) is a gaseous endogenous biological mediator, involved in the regulation of cellular bioenergetics, angiogenesis, invasion, and chemotherapeutic resistance in several types of cancer. H2S is produced by three enzymes: cystathionine-β-synthase (CBS), cystathionine-γ-lyase (CSE) and 3-mercaptopyruvate sulfurtransferase (3-MST). The current studies were set up to investigate if CBS or 3-MST regulates CyR61 in colon cancer cells in the context of the regulation of proliferation, migration, and survival. The study mainly utilized HCT116 cells, in which two of the principal H2S-producing enzymes, CBS and 3-MST, are highly expressed. The H2S donor GYY4137 and the polysulfide donor Na2S3 activated the CyR61 promoter in a concentration-dependent fashion. Aminooxyacetic acid (AOAA), a pharmacological inhibitor of CBS as well as HMPSNE: 2-[(4-hydroxy-6- methylpyrimidin-2-yl)sulfanyl]-1-(naphthalen-1-yl)ethan-1-one, a pharmacological inhibitor of 3-MST inhibited CyR61 mRNA expression. This effect was more pronounced in response to HMPSNE than to AOAA and occurred through the modulation of S1PR via ATF1 and CREB. CyR61 was found to play an active, but relatively minor role in maintaining colon cell proliferation. HMPSNE markedly suppressed the secretion/release of CyR61 from the colon cancer cells. Moreover, HMPSNE promoted colon cancer cell apoptosis; endogenously produced CyR61 was found to counteract this effect, at least in part via RhoA activation. Taken together, we conclude that the upregulation of 3-MST in cancer cells exerts cytoprotective effects and confers the cancer cells a more aggressive phenotype - at least in part via the modulation of CyR61 expression and release.
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Affiliation(s)
- Kelly Ascenção
- Chair of Pharmacology, Faculty of Science and Medicine, University of Fribourg, Fribourg, Switzerland
| | - Bassma Lheimeur
- Chair of Pharmacology, Faculty of Science and Medicine, University of Fribourg, Fribourg, Switzerland
| | - Csaba Szabo
- Chair of Pharmacology, Faculty of Science and Medicine, University of Fribourg, Fribourg, Switzerland.
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Fu M, Peng D, Lan T, Wei Y, Wei X. Multifunctional regulatory protein connective tissue growth factor (CTGF): A potential therapeutic target for diverse diseases. Acta Pharm Sin B 2022; 12:1740-1760. [PMID: 35847511 PMCID: PMC9279711 DOI: 10.1016/j.apsb.2022.01.007] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Revised: 11/22/2021] [Accepted: 12/16/2021] [Indexed: 12/24/2022] Open
Abstract
Connective tissue growth factor (CTGF), a multifunctional protein of the CCN family, regulates cell proliferation, differentiation, adhesion, and a variety of other biological processes. It is involved in the disease-related pathways such as the Hippo pathway, p53 and nuclear factor kappa-B (NF-κB) pathways and thus contributes to the developments of inflammation, fibrosis, cancer and other diseases as a downstream effector. Therefore, CTGF might be a potential therapeutic target for treating various diseases. In recent years, the research on the potential of CTGF in the treatment of diseases has also been paid more attention. Several drugs targeting CTGF (monoclonal antibodies FG3149 and FG3019) are being assessed by clinical or preclinical trials and have shown promising outcomes. In this review, the cellular events regulated by CTGF, and the relationships between CTGF and pathogenesis of diseases are systematically summarized. In addition, we highlight the current researches, focusing on the preclinical and clinical trials concerned with CTGF as the therapeutic target.
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Kan T, Zhang S, Zhou S, Zhang Y, Zhao Y, Gao Y, Zhang T, Gao F, Wang X, Zhao L, Yang M. Single-cell RNA-seq recognized the initiator of epithelial ovarian cancer recurrence. Oncogene 2022; 41:895-906. [PMID: 34992217 DOI: 10.1038/s41388-021-02139-z] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Revised: 11/15/2021] [Accepted: 11/25/2021] [Indexed: 02/05/2023]
Abstract
Epithelial ovarian cancers (EOCs) are sensitive to chemotherapy but will ultimately relapse and develop drug resistance. The origin of EOC recurrence has been elusive due to intra-tumor heterogeneity. Here we performed single-cell RNA sequencing (scRNA-seq) in 13,369 cells from primary, untreated peritoneal metastasis, and relapse tumors. We used time-resolved analysis to chart the developmental sequence of cells from the metastatic tumors, then traced the earliest replanting cells back to the primary tumors. We discovered seven distinct subpopulations in primary tumors where the CYR61+ "stress" subpopulation was identified as the relapse-initiators. Furthermore, a subpopulation of RGS5+ cancer-associated fibroblasts (CAFs) was found to strongly support tumor metastasis. The combined CYR61/RGS5 expression scores significantly correlated with the relapse-free-survival of EOC patients and can be used as predictors of EOC recurrence. Our study provides insights into the mechanism of EOC recurrence and presents CYR61+ relapse-initiating cells as potential therapeutic targets to prevent EOC relapse.
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Affiliation(s)
- Tongtong Kan
- Department of Biomedical Sciences, City University of Hong Kong, Hong Kong, China. .,Beijing Institute of Basic Medical Sciences, Beijing, China.
| | - Shupeng Zhang
- Department of Pathology, The Second Affiliated Hospital of Shandong First Medical University, Taian, China
| | - Shengtao Zhou
- Department of Obstetrics and Gynecology, Key Laboratory of Birth Defects and Related Diseases of Women and Children of Ministry of Education, West China Second Hospital and State Key Laboratory of Biotherapy/Collaborative Innovation Center, West China Hospital, Sichuan University, Chengdu, China
| | - Ya Zhang
- Department of Pathology, The Second Affiliated Hospital of Shandong First Medical University, Taian, China
| | - Yun Zhao
- Department of Pathology, Taian Tumor Prevention and Treatment Hospital, Taian, China
| | - Yinghua Gao
- Department of Pathology, The Second Affiliated Hospital of Shandong First Medical University, Taian, China
| | - Tao Zhang
- Department of Biostatistics, School of Public Health, Shandong University, Jinan, China
| | - Feng Gao
- Department of Biomedical Sciences, City University of Hong Kong, Hong Kong, China
| | - Xin Wang
- Department of Biomedical Sciences, City University of Hong Kong, Hong Kong, China
| | - Linjie Zhao
- Department of Obstetrics and Gynecology, Key Laboratory of Birth Defects and Related Diseases of Women and Children of Ministry of Education, West China Second Hospital and State Key Laboratory of Biotherapy/Collaborative Innovation Center, West China Hospital, Sichuan University, Chengdu, China
| | - Mengsu Yang
- Department of Biomedical Sciences, City University of Hong Kong, Hong Kong, China. .,Key Laboratory of Biochip Technology, Shenzhen Research Institute, City University of Hong Kong, Shenzhen, China.
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8
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Hamada S, Matsumoto R, Masamune A. HIF-1 and NRF2; Key Molecules for Malignant Phenotypes of Pancreatic Cancer. Cancers (Basel) 2022; 14:cancers14020411. [PMID: 35053572 PMCID: PMC8773475 DOI: 10.3390/cancers14020411] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Accepted: 01/13/2022] [Indexed: 02/07/2023] Open
Abstract
Simple Summary Pancreatic cancer progression involves interactions between cancer cells and stromal cells in harsh tumor microenvironments, which are characterized by hypoxia, few nutrients, and oxidative stress. Clinically, cancer cells overcome therapeutic interventions, such as chemotherapy and radiotherapy, to continue to survive. Activation of the adaptation mechanism is required for cancer cell survival under these conditions, and it also contributes to the acquisition of the malignant phenotype. Stromal cells, especially pancreatic stellate cells, play a critical role in the formation of a cancer-promoting microenvironment. We here review the roles of key molecules, hypoxia inducible factor-1 and KEAP1-NRF2, in stress response mechanisms for the adaptation to hypoxia and oxidative stress in pancreatic cancer cells and stellate cells. Various cancer-promoting properties associated with these molecules have been identified, and they might serve as novel therapeutic targets in the future. Abstract Pancreatic cancer is intractable due to early progression and resistance to conventional therapy. Dense fibrotic stroma, known as desmoplasia, is a characteristic feature of pancreatic cancer, and develops through the interactions between pancreatic cancer cells and stromal cells, including pancreatic stellate cells. Dense stroma forms harsh tumor microenvironments characterized by hypoxia, few nutrients, and oxidative stress. Pancreatic cancer cells as well as pancreatic stellate cells survive in the harsh microenvironments through the altered expression of signaling molecules, transporters, and metabolic enzymes governed by various stress response mechanisms. Hypoxia inducible factor-1 and KEAP1-NRF2, stress response mechanisms for hypoxia and oxidative stress, respectively, contribute to the aggressive behaviors of pancreatic cancer. These key molecules for stress response mechanisms are activated, both in pancreatic cancer cells and in pancreatic stellate cells. Both factors are involved in the mutual activation of cancer cells and stellate cells, by inducing cancer-promoting signals and their mediators. Therapeutic interventions targeting these pathways are promising approaches for novel therapies. In this review, we summarize the roles of stress response mechanisms, focusing on hypoxia inducible factor-1 and KEAP1-NRF2, in pancreatic cancer. In addition, we discuss the potential of targeting these molecules for the treatment of pancreatic cancer.
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Yeger H, Perbal B. The CCN axis in cancer development and progression. J Cell Commun Signal 2021; 15:491-517. [PMID: 33877533 PMCID: PMC8642525 DOI: 10.1007/s12079-021-00618-2] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2021] [Accepted: 04/06/2021] [Indexed: 12/12/2022] Open
Abstract
Since the authors first reviewed this subject in 2016 significant progress has been documented in the CCN field with advances made in the understanding of how members of the CCN family of proteins, CCN1-6, contribute to the pathogenesis and progression, positive and negative, of a larger variety of cancers. As termed matricellular proteins, and more recently the connective communication network, it has become clearer that members of the CCN family interact complexly with other proteins in the extracellular microenvironment, membrane signaling proteins, and can also operate intracellularly at the transcriptional level. In this review we expand on this earlier information providing new detailed information and insights that appropriate a much greater involvement and importance of their role in multiple aspects of cancer. Despite all the new information many more questions have been raised and intriguing results generated that warrant greater investigation. In order to permit the reader to smoothly integrate the new information we discuss all relevant CCN members in the context of cancer subtypes. We have harmonized the nomenclature with CCN numbering for easier comparisons. Finally, we summarize what new has been learned and provide a perspective on how our knowledge about CCN1-6 is being used to drive new initiatives on cancer therapeutics.
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Affiliation(s)
- Herman Yeger
- Program in Developmental and Stem Cell Biology Research Institute, SickKids, Toronto, Canada
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10
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Guo P, Ma Y, Deng G, Li L, Gong Y, Yang F, You Y. CYR61, regulated by miR-22-3p and MALAT1, promotes autophagy in HK-2 cell inflammatory model. Transl Androl Urol 2021; 10:3486-3500. [PMID: 34532273 PMCID: PMC8421830 DOI: 10.21037/tau-21-623] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Accepted: 07/13/2021] [Indexed: 12/12/2022] Open
Abstract
Background Renal tubular epithelial cells play an important role in renal function and are a major site of injury from inflammation. Emerging evidence suggests that CYR61 is involved in the regulation of autophagy. However, there are few studies on CYR61 in nephropathy and associated inflammation. This study aimed to clarify how CYR61 regulates autophagy in human renal epithelial cells while in an inflammatory state and regulates the upstream pathway of CYR61 levels. Methods The human renal tubular epithelial cells (HK-2) cell line treated by lipopolysaccharide (LPS) was used as an inflammatory model of human epithelial cells. Short hairpin RNA (shRNA) was used to down-regulate CYR61, and the changes in the transcription and expression levels of related molecules, as well as the morphological changes of HK-2 cells, were detected by quantitative real time-PCR (qRT-PCR), western blot (WB), and transmission electron microscopy. Either CYR61 or MALAT1 were up-regulated by overexpression vectors, or MALAT1 was down-regulated by miR-22-3p mimics. Subsequently, the levels of CYR61, MALAT1, related inflammatory factors, and autophagy factors were measured by qPCR, WB, and enzyme-linked immunosorbent assay (ELISA). Cell apoptosis was detected by flow cytometry and acridine-orange assay. Results We observed that down-regulation of CYR61 could down-regulate 1B-light chain 3 (LC3) level and inhibit autophagy in the LPS-induced inflammation model of HK-2 cells. The expression levels of CYR61, Beclin1, Atg5, LC3, interleukin 6 (IL-6), and tumor necrosis factor-α (TNF-α) were significantly increased by upregulating CYR61 or MALAT1 by overexpression vector, while the expression level of p62 was significantly decreased, intracellular reactive oxygen species (ROS) content was increased, and the proportion of autophagy and apoptosis was increased. The use of miR-22-3p mimics significantly reversed the changes induced by up-regulation of CYR61 or MALAT1 at the molecular and cellular levels. Conclusions Our data indicated that CYR61 positively regulates autophagy of HK-2 cells under an inflammatory state, and was negatively regulated by miR-22-3p, while miR-22-3p and MALAT1 were negatively regulated by each other.
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Affiliation(s)
- Pengwei Guo
- Department of Nephrology, Jinan University, Guangzhou, China.,Department of Nephrology, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, China
| | - Yanfei Ma
- Department of Gland Surgery, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, China
| | - Gao Deng
- Department of Nephrology, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, China
| | - Lingling Li
- Department of Nephrology, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, China
| | - Yunxia Gong
- Department of Nephrology, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, China
| | - Fafen Yang
- Department of Nephrology, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, China
| | - Yanwu You
- Department of Nephrology, Jinan University, Guangzhou, China.,Department of Nephrology, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, China
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Liu A, Zhou Y, Zhao T, Tang X, Zhou B, Xu J. MiRNA-3662 reverses the gemcitabine resistance in pancreatic cancer through regulating the tumor metabolism. Cancer Chemother Pharmacol 2021; 88:343-357. [PMID: 33993382 DOI: 10.1007/s00280-021-04289-z] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2021] [Accepted: 04/22/2021] [Indexed: 10/21/2022]
Abstract
OBJECTIVES Gemcitabine (Gem) is one of the most commonly used chemotherapeutic drugs in treating patients with pancreatic ductal adenocarcinoma (PDAC). Acquired drug resistance against Gem presents a major clinical challenge in the chemotherapy of PDAC. It has been shown that miRNA-3662 is lowly expressed and implicated with quantities of biological processes in cancer. However, whether miRNA-3662 regulates chemoresistance in PDAC remains largely unknown. MATERIALS AND METHODS The level of miRNA-3662 in PDAC tissues was determined by real-time qPCR (RT-qPCR). Functional experiments were used to investigate the biological role of miRNA-3662 on Gem resistance of PDAC in vitro and in vivo. Fluorescence in situ hybridization (FISH), RT-qPCR, western blotting, bioinformatics analysis and luciferase reporter assay were employed to determine the precise regulation mechanisms. RESULTS In this study, it was investigated that miRNA-3662 was down-regulated in PDAC clinical samples as well as cell lines. Functional assays revealed that miRNA-3662 was sufficient to inhibit Gem resistance in PDAC cells both in vitro and in vivo. Mechanistically, hypoxia-inducible factor 1ɑ (HIF-1ɑ) was one of the transcriptional target of miRNA-3662 and was up-regulated in PDAC samples. Importantly, genetic promoting of HIF-1ɑ largely compromised miR-3662-mediated chemosensitive effects. In addition, miR-3662 could impair the aerobic glycolysis in PDAC cells. CONCLUSIONS This study sheds light on miRNA-3662 inhibits PDAC cell chemoresistance and aerobic glycolysis through a negative feedback loop with HIF-1ɑ. Therefore, the co-delivery of miR-3662 and Gem could be served as a promising therapeutic regimen for PDAC patients.
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Affiliation(s)
- An Liu
- Department of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, Yueyang, 414006, People's Republic of China
| | - Yonggui Zhou
- Department of Gastrointestinal Surgery, The First People's Hospital of Yueyang, Yueyang, 414000, People's Republic of China
| | - Tian Zhao
- Department of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, Yueyang, 414006, People's Republic of China
| | - Xu Tang
- Department of Intensive Care, The Second People's Hospital of Yueyang, Yueyang, 414006, People's Republic of China.
| | - Binbin Zhou
- Department of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, Yueyang, 414006, People's Republic of China.
| | - Jia Xu
- Department of Gastrointestinal Surgery, The First People's Hospital of Yueyang, Yueyang, 414000, People's Republic of China.
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Takeda H, Takai A, Iguchi E, Mishima M, Arasawa S, Kumagai K, Eso Y, Shimizu T, Takahashi K, Ueda Y, Taura K, Hatano E, Iijima H, Aoyagi H, Aizaki H, Marusawa H, Wakita T, Seno H. Oncogenic transcriptomic profile is sustained in the liver after the eradication of the hepatitis C virus. Carcinogenesis 2021; 42:672-684. [PMID: 33617626 DOI: 10.1093/carcin/bgab014] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2020] [Revised: 01/12/2021] [Accepted: 02/16/2021] [Indexed: 02/07/2023] Open
Abstract
Hepatocellular carcinoma (HCC) developing after hepatitis C virus (HCV) eradication is a serious clinical concern. However, molecular basis for the hepatocarcinogenesis after sustained virologic response (SVR) remains unclear. In this study, we aimed to unveil the transcriptomic profile of post-SVR liver tissues and explore the molecules associated with post-SVR carcinogenesis. We analysed 90 RNA sequencing datasets, consisting of non-cancerous liver tissues including 20 post-SVR, 40 HCV-positive and 7 normal livers, along with Huh7 cell line specimens before and after HCV infection and eradication. Comparative analysis demonstrated that cell cycle- and mitochondrial function-associated pathways were altered only in HCV-positive non-cancerous liver tissues, whereas some cancer-related pathways were up-regulated in the non-cancerous liver tissues of both post-SVR and HCV-positive cases. The persistent up-regulation of carcinogenesis-associated gene clusters after viral clearance was reconfirmed through in vitro experiments, of which, CYR61, associated with liver fibrosis and carcinogenesis in several cancer types, was the top enriched gene and co-expressed with cell proliferation-associated gene modules. To evaluate whether this molecule could be a predictor of hepatocarcinogenesis after cure of HCV infection, we also examined 127 sera from independent HCV-positive cohorts treated with direct-acting antivirals (DAAs), including 60 post-SVR-HCC patients, and found that the elevated serum Cyr61 was significantly associated with early carcinogenesis after receiving DAA therapy. In conclusion, some oncogenic transcriptomic profiles are sustained in liver tissues after HCV eradication, which might be a molecular basis for the liver cancer development even after viral clearance. Among them, up-regulated CYR61 could be a possible biomarker for post-SVR-HCC.
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Affiliation(s)
- Haruhiko Takeda
- Department of Gastroenterology and Hepatology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Atsushi Takai
- Department of Gastroenterology and Hepatology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Eriko Iguchi
- Department of Gastroenterology and Hepatology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Masako Mishima
- Department of Gastroenterology and Hepatology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Soichi Arasawa
- Department of Gastroenterology and Hepatology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Ken Kumagai
- Department of Gastroenterology and Hepatology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Yuji Eso
- Department of Gastroenterology and Hepatology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Takahiro Shimizu
- Department of Gastroenterology and Hepatology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Ken Takahashi
- Department of Gastroenterology and Hepatology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Yoshihide Ueda
- Department of Gastroenterology and Hepatology, Graduate School of Medicine, Kobe University, Kobe, Japan
| | - Kojiro Taura
- Division of Hepato-Biliary-Pancreatic and Transplant Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Etsuro Hatano
- Division of Hepato-Biliary-Pancreatic and Transplant Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan.,Department of Gastroenterological Surgery, Hyogo College of Medicine, Nishinomiya, Japan
| | - Hiroko Iijima
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Hyogo College of Medicine, Nishinomiya, Japan
| | - Haruyo Aoyagi
- Department of Virology II, National Institute of Infectious Diseases, Tokyo, Japan
| | - Hideki Aizaki
- Department of Virology II, National Institute of Infectious Diseases, Tokyo, Japan
| | - Hiroyuki Marusawa
- Department of Gastroenterology and Hepatology, Osaka Red Cross Hospital, Osaka, Japan
| | - Takaji Wakita
- Department of Virology II, National Institute of Infectious Diseases, Tokyo, Japan
| | - Hiroshi Seno
- Department of Gastroenterology and Hepatology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
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13
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Haque I, Kawsar HI, Motes H, Sharma M, Banerjee S, Banerjee SK, Godwin AK, Huang CH. Downregulation of miR-506-3p Facilitates EGFR-TKI Resistance through Induction of Sonic Hedgehog Signaling in Non-Small-Cell Lung Cancer Cell Lines. Int J Mol Sci 2020; 21:E9307. [PMID: 33291316 PMCID: PMC7729622 DOI: 10.3390/ijms21239307] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Revised: 12/04/2020] [Accepted: 12/04/2020] [Indexed: 02/08/2023] Open
Abstract
Non-small-cell lung cancer (NSCLC) patients with epidermal growth factor receptor (EGFR) mutation eventually develop resistance to EGFR-targeted tyrosine kinase inhibitors (TKIs). Treatment resistance remains the primary obstacle to the successful treatment of NSCLC. Although drug resistance mechanisms have been studied extensively in NSCLC, the regulation of these mechanisms has not been completely understood. Recently, increasing numbers of microRNAs (miRNAs) are implicated in EGFR-TKI resistance, indicating that miRNAs may serve as novel targets and may hold promise as predictive biomarkers for anti-EGFR therapy. MicroRNA-506 (miR-506) has been identified as a tumor suppressor in many cancers, including lung cancer; however, the role of miR-506 in lung cancer chemoresistance has not yet been addressed. Here we report that miR-506-3p expression was markedly reduced in erlotinib-resistant (ER) cells. We identified Sonic Hedgehog (SHH) as a novel target of miR-506-3p, aberrantly activated in ER cells. The ectopic overexpression of miR-506-3p in ER cells downregulates SHH signaling, increases E-cadherin expression, and inhibits the expression of vimentin, thus counteracting the epithelial-mesenchymal transition (EMT)-mediated chemoresistance. Our results advanced our understanding of the molecular mechanisms underlying EGFR-TKI resistance and indicated that the miR-506/SHH axis might represent a novel therapeutic target for future EGFR mutated lung cancer treatment.
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Affiliation(s)
- Inamul Haque
- Cancer Research Unit, Veterans Affairs Medical Center, Kansas City, MO 64128, USA; (H.M.); (S.B.); (S.K.B.)
- Department of Pathology and Laboratory Medicine, University of Kansas Medical Center, Kansas City, KS 66160, USA;
| | - Hameem I. Kawsar
- Division of Medical Oncology, University of Kansas Medical Center, Kansas City, KS 66160, USA;
| | - Hannah Motes
- Cancer Research Unit, Veterans Affairs Medical Center, Kansas City, MO 64128, USA; (H.M.); (S.B.); (S.K.B.)
- Kirksville College of Osteopathic Medicine, Andrew Taylor Still University, Jefferson St, Kirksville, MO 63501, USA
| | - Mukut Sharma
- Research Service, Veterans Affairs Medical Center, Kansas City, MO 64128, USA;
| | - Snigdha Banerjee
- Cancer Research Unit, Veterans Affairs Medical Center, Kansas City, MO 64128, USA; (H.M.); (S.B.); (S.K.B.)
- Department of Pathology and Laboratory Medicine, University of Kansas Medical Center, Kansas City, KS 66160, USA;
| | - Sushanta K. Banerjee
- Cancer Research Unit, Veterans Affairs Medical Center, Kansas City, MO 64128, USA; (H.M.); (S.B.); (S.K.B.)
- Department of Pathology and Laboratory Medicine, University of Kansas Medical Center, Kansas City, KS 66160, USA;
| | - Andrew K. Godwin
- Department of Pathology and Laboratory Medicine, University of Kansas Medical Center, Kansas City, KS 66160, USA;
| | - Chao H. Huang
- Cancer Research Unit, Veterans Affairs Medical Center, Kansas City, MO 64128, USA; (H.M.); (S.B.); (S.K.B.)
- Division of Medical Oncology, University of Kansas Medical Center, Kansas City, KS 66160, USA;
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14
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Differential Gemcitabine Sensitivity in Primary Human Pancreatic Cancer Cells and Paired Stellate Cells Is Driven by Heterogenous Drug Uptake and Processing. Cancers (Basel) 2020; 12:cancers12123628. [PMID: 33287390 PMCID: PMC7761836 DOI: 10.3390/cancers12123628] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2020] [Revised: 11/23/2020] [Accepted: 12/01/2020] [Indexed: 12/19/2022] Open
Abstract
Simple Summary Pancreatic ductal adenocarcinoma (PDAC, also known as pancreatic cancer) is one of the deadliest tumor types, characterized by poor prognosis, profound chemoresistance and overall low survival. Gemcitabine remains the standard of care for all stages of PDAC, however, with poor clinical benefits which is considered to be due to reduced drug availability in tumor cells. Gemcitabine-induced cytotoxicity depends upon sufficient drug uptake followed by intracellular activation. Pancreatic stellate cells (PSCs), a major stromal component of PDAC, were recently reported to scavenge active metabolites of gemcitabine, thereby making it unavailable for cancer cells. Gemcitabine uptake and processing in both tumor cells and PSCs, as well as expression analysis of its molecular metabolic regulators, was investigated in this study. We observed heterogeneous gemcitabine-induced cytotoxicity in different pancreatic cancer cells whereas it was absent in PSCs. The gemcitabine-induced cytotoxicity in pancreatic cancer cells was driven by differential expression of its molecular regulators. Abstract Gemcitabine resistance in pancreatic ductal adenocarcinoma (PDAC) is attributed to cancer cell-intrinsic drug processing and the impact of the tumor microenvironment, especially pancreatic stellate cells (PSCs). This study uses human PDAC-derived paired primary cancer cells (PCCs) and PSCs from four different tumors, and the PDAC cell lines BxPC-3, Mia PaCa-2, and Panc-1, to assess the fate of gemcitabine by measuring its cellular uptake, cytotoxicity, and LC-MS/MS-based metabolite analysis. Expression analysis and siRNA-mediated knockdown of key regulators of gemcitabine (hENT1, CDA, DCK, NT5C1A) was performed. Compared to PSCs, both the paired primary PCCs and cancer cell lines showed gemcitabine-induced dose-dependent cytotoxicity, high uptake, as well as high and variable intracellular levels of gemcitabine metabolites. PSCs were gemcitabine-resistant and demonstrated significantly lower drug uptake, which was not influenced by co-culturing with their paired PCCs. Expression of key gemcitabine regulators was variable, but overall strong in the cancer cells and significantly lower or undetectable in PSCs. In cancer cells, hENT1 inhibition significantly downregulated gemcitabine uptake and cytotoxicity, whereas DCK knockdown reduced cytotoxicity. In conclusion, heterogeneity in gemcitabine processing among different pancreatic cancer cells and stellate cells results from the differential expression of molecular regulators which determines the effect of gemcitabine.
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15
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Ray P, Dutta D, Haque I, Nair G, Mohammed J, Parmer M, Kale N, Orr M, Jain P, Banerjee S, Reindl KM, Mallik S, Kambhampati S, Banerjee SK, Quadir M. pH-Sensitive Nanodrug Carriers for Codelivery of ERK Inhibitor and Gemcitabine Enhance the Inhibition of Tumor Growth in Pancreatic Cancer. Mol Pharm 2020; 18:87-100. [PMID: 33231464 DOI: 10.1021/acs.molpharmaceut.0c00499] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Pancreatic ductal adenocarcinoma (PDAC), a metabolic disorder, remains one of the leading cancer mortality sources worldwide. An initial response to treatments, such as gemcitabine (GEM), is often followed by emergent resistance reflecting an urgent need for alternate therapies. The PDAC resistance to GEM could be due to ERK1/2 activity. However, successful ERKi therapy is hindered due to low ligand efficiency, poor drug delivery, and toxicity. In this study, to overcome these limitations, we have designed pH-responsive nanoparticles (pHNPs) with a size range of 100-150 nm for the simultaneous delivery of ERKi (SCH 772984) and GEM with tolerable doses. These pHNPs are polyethylene glycol (PEG)-containing amphiphilic polycarbonate block copolymers with tertiary amine side chains. They are systemically stable and capable of improving in vitro and in vivo drug delivery at the cellular environment's acidic pH. The functional analysis indicates that the nanomolar doses of ERKi or GEM significantly decreased the 50% growth inhibition (IC50) of PDAC cells when encapsulated in pHNPs compared to free drugs. The combination of ERKi with GEM displayed a synergistic inhibitory effect. Unexpectedly, we uncover that the minimum effective dose of ERKi significantly promotes GEM activities on PDAC cells. Furthermore, we found that pHNP-encapsulated combination therapy of ERKi with GEM was superior to unencapsulated combination drug therapy. Our findings, thus, reveal a simple, yet efficient, drug delivery approach to overcome the limitations of ERKi for clinical applications and present a new model of sensitization of GEM by ERKi with no or minimal toxicity.
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Affiliation(s)
- Priyanka Ray
- Department of Coatings and Polymeric Materials, North Dakota State University, Fargo, North Dakota 58108, United States
| | - Debasmita Dutta
- Department of Coatings and Polymeric Materials, North Dakota State University, Fargo, North Dakota 58108, United States
| | - Inamul Haque
- Cancer Research Unit, VA Medical Center, Kansas City, Missouri 64128, United States.,Department of Pathology and Laboratory Medicine, University of Kansas Medical Center, Kansas City, Kansas 66160, United States
| | - Gauthami Nair
- Department of Biological Sciences, North Dakota State University, Fargo, North Dakota 58108, United States
| | - Jiyan Mohammed
- Department of Biological Sciences, North Dakota State University, Fargo, North Dakota 58108, United States
| | - Meredith Parmer
- Department of Coatings and Polymeric Materials, North Dakota State University, Fargo, North Dakota 58108, United States
| | - Narendra Kale
- Department of Coatings and Polymeric Materials, North Dakota State University, Fargo, North Dakota 58108, United States
| | - Megan Orr
- Department of Statistics, North Dakota State University, Fargo, North Dakota 58108, United States
| | - Pooja Jain
- Cancer Research Unit, VA Medical Center, Kansas City, Missouri 64128, United States
| | - Snigdha Banerjee
- Cancer Research Unit, VA Medical Center, Kansas City, Missouri 64128, United States.,Department of Pathology and Laboratory Medicine, University of Kansas Medical Center, Kansas City, Kansas 66160, United States
| | - Katie M Reindl
- Department of Biological Sciences, North Dakota State University, Fargo, North Dakota 58108, United States
| | - Sanku Mallik
- Department of Pharmaceutical Sciences, North Dakota State University, Fargo, North Dakota 58108, United States
| | - Suman Kambhampati
- Cancer Research Unit, VA Medical Center, Kansas City, Missouri 64128, United States
| | - Sushanta K Banerjee
- Cancer Research Unit, VA Medical Center, Kansas City, Missouri 64128, United States.,Department of Pathology and Laboratory Medicine, University of Kansas Medical Center, Kansas City, Kansas 66160, United States
| | - Mohiuddin Quadir
- Department of Coatings and Polymeric Materials, North Dakota State University, Fargo, North Dakota 58108, United States
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16
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Forkhead box K1 facilitates growth of papillary thyroid carcinoma cells by regulating connective tissue growth factor expression. Hum Cell 2020; 34:457-467. [PMID: 33098545 DOI: 10.1007/s13577-020-00450-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Accepted: 10/11/2020] [Indexed: 10/23/2022]
Abstract
Forkhead box (FOX) proteins have been identified as key transcription factors in diverse biological processes involved in tumor progression. A large number of FOX proteins are implicated in tumorigenesis of papillary thyroid carcinoma (PTC). Here we investigated the role of Forkhead box K1 (FOXK1) in PTC progression. First, we found that FOXK1 was elevated in both PTC tissues (N = 68) and cell lines. Moreover, up-regulated FOXK1 was associated with shorter overall survival of PTC patients. Second, in vitro functional assays showed that FOXK1 promoted progression of PTC. Mechanistically, FOXK1 could bind to the promoter of cysteine-rich angiogenic inducer 61 (CYR61) and regulate connective tissue growth factor (CTGF) expression through CYR61. Notably, over-expression of CTGF weakened suppression of PTC progression induced by FOXK1 knockdown. Finally, in vivo xenotransplant tumor model indicated that knockdown of FOXK1 suppressed PTC growth. In conclusion, our results indicate that FOXK1 exerts oncogenic roles in PTC via CYR61/CTGF axis, which suggests FOXK1 might act as a potential therapeutic target.
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17
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Mpilla GB, Philip PA, El-Rayes B, Azmi AS. Pancreatic neuroendocrine tumors: Therapeutic challenges and research limitations. World J Gastroenterol 2020; 26:4036-4054. [PMID: 32821069 PMCID: PMC7403797 DOI: 10.3748/wjg.v26.i28.4036] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Revised: 07/08/2020] [Accepted: 07/16/2020] [Indexed: 02/06/2023] Open
Abstract
Pancreatic neuroendocrine tumors (PNETs) are known to be the second most common epithelial malignancy of the pancreas. PNETs can be listed among the slowest growing as well as the fastest growing human cancers. The prevalence of PNETs is deceptively low; however, its incidence has significantly increased over the past decades. According to the American Cancer Society’s estimate, about 4032 (> 7% of all pancreatic malignancies) individuals will be diagnosed with PNETs in 2020. PNETs often cause severe morbidity due to excessive secretion of hormones (such as serotonin) and/or overall tumor mass. Patients can live for many years (except for those patients with poorly differentiated G3 neuroendocrine tumors); thus, the prevalence of the tumors that is the number of patients actually dealing with the disease at any given time is fairly high because the survival is much longer than pancreatic ductal adenocarcinoma. Due to significant heterogeneity, the management of PNETs is very complex and remains an unmet clinical challenge. In terms of research studies, modest improvements have been made over the past decades in the identification of potential oncogenic drivers in order to enhance the quality of life and increase survival for this growing population of patients. Unfortunately, the majority of systematic therapies approved for the management of advanced stage PNETs lack objective response or at most result in modest benefits in survival. In this review, we aim to discuss the broad challenges associated with the management and the study of PNETs.
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Affiliation(s)
- Gabriel Benyomo Mpilla
- Department of Oncology, Wayne State University School of Medicine, Detroit, MI 48201, United States
| | - Philip Agop Philip
- Department of Oncology, Wayne State University School of Medicine, Detroit, MI 48201, United States
| | - Bassel El-Rayes
- Department of Hematology Oncology, Emory Winship Institute, Atlanta, GA 30322, United States
| | - Asfar Sohail Azmi
- Department of Oncology, Wayne State University School of Medicine, Detroit, MI 48201, United States
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18
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Ahn HM, Kim DG, Kim YJ. Blockade of endothelin receptor A enhances the therapeutic efficacy of gemcitabine in pancreatic cancer cells. Biochem Biophys Res Commun 2020; 527:568-573. [PMID: 32423820 DOI: 10.1016/j.bbrc.2020.04.118] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Accepted: 04/23/2020] [Indexed: 01/23/2023]
Abstract
Pancreatic adenocarcinoma is currently one of the leading causes of cancer-related death worldwide. The high rate of mortality in pancreatic cancer patients is due to the inability to detect early-stage disease and the disease being highly refractory to therapy. Gemcitabine has been the standard chemotherapy for advanced pancreatic cancer patients for the last two decades. However, gemcitabine resistance develops within a few weeks of treatment, and the associated mechanism remains poorly understood. Therefore, a novel therapeutic strategy is needed to overcome the limited clinical efficacy of gemcitabine in pancreatic adenocarcinoma. In this study, we demonstrated that ET-1/ETAR axis gene expression was upregulated in pancreatic cancer cells after treatment with gemcitabine. Additionally, ETAR expression was significantly higher in tumor tissues than in normal tissues, and patients with high ETAR expression had a notably worse overall survival rate than those with low ETAR expression. Furthermore, our results revealed that bosentan, an ETAR antagonist, enhanced the growth-inhibiting and proapoptotic effects of gemcitabine on pancreatic cancer cells. Thus, our findings indicate that blockade of the ET-1/ETAR axis signaling pathway promotes the antiproliferative effect of gemcitabine on pancreatic cancer. Therefore, combination of ETAR blockade and gemcitabine serves as an effective therapeutic approach to achieve clinical benefits in pancreatic adenocarcinoma patients.
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Affiliation(s)
- Hye-Mi Ahn
- Division of Translational Science, Research Institute, National Cancer Center, Goyang, Gyeonggi, 10408, Republic of Korea
| | - Dong-Gun Kim
- Division of Translational Science, Research Institute, National Cancer Center, Goyang, Gyeonggi, 10408, Republic of Korea
| | - Youn-Jae Kim
- Division of Translational Science, Research Institute, National Cancer Center, Goyang, Gyeonggi, 10408, Republic of Korea.
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19
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Awad S, Alkashash AM, Amin M, Baker SJ, Rose JB. Biochemical Predictors of Response to Neoadjuvant Therapy in Pancreatic Ductal Adenocarcinoma. Front Oncol 2020; 10:620. [PMID: 32477933 PMCID: PMC7235358 DOI: 10.3389/fonc.2020.00620] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2019] [Accepted: 04/03/2020] [Indexed: 12/18/2022] Open
Abstract
Pancreatic ductal adenocarcinoma (PDAC) is becoming increasingly more common. Treatment for PDAC is dependent not only on stage at diagnosis, but complex anatomical relationships. Recently, the therapeutic approach to this disease has shifted from upfront surgery for technically resectable lesions to a neoadjuvant therapy first approach. Selecting an appropriate regimen and determining treatment response is crucial for optimal oncologic outcome, especially since radiographic imaging has proven unreliable in this setting. Tumor biomarkers have the potential to play a key role in treatment planning, treatment monitoring, and surveillance as an adjunct laboratory test. In this review, we will discuss common chemotherapeutic options, mechanisms of resistance, and potential biomarkers for PDAC. The aim of this paper is to present currently available biomarkers for PDAC and to discuss how these markers may be affected by neoadjuvant chemotherapy treatment. Understanding current chemotherapy regiments and mechanism of resistance can help us understand which markers may be most affected and why; therefore, determining to what ability we can use them as a marker for treatment progression, prognosis, or potential relapse.
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Affiliation(s)
- Seifeldin Awad
- Department of Surgical Oncology, University of Alabama in Birmingham, Birmingham, AL, United States
| | - Ahmad M Alkashash
- Department of Surgical Oncology, University of Alabama in Birmingham, Birmingham, AL, United States
| | - Magi Amin
- Department of Gastroenterology, Cairo Fatimid Hospital, Cairo, Egypt
| | - Samantha J Baker
- Department of Surgical Oncology, University of Alabama in Birmingham, Birmingham, AL, United States
| | - J Bart Rose
- Department of Surgical Oncology, University of Alabama in Birmingham, Birmingham, AL, United States
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20
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Abou-Kheir W, Mukherji D, Hadadeh O, Saleh E, Bahmad HF, Kanso M, Khalifeh M, Shamseddine A, Tamraz S, Jaafar R, Dagher C, Khalifeh I, Faraj W. CYR61/CCN1 expression in resected pancreatic ductal adenocarcinoma: A retrospective pilot study of the interaction between the tumors and their surrounding microenvironment. Heliyon 2020; 6:e03842. [PMID: 32395647 PMCID: PMC7205742 DOI: 10.1016/j.heliyon.2020.e03842] [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: 11/07/2019] [Revised: 02/10/2020] [Accepted: 04/20/2020] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND CCN1 is an extracellular matrix-associated protein thought to be implicated in tumor-stromal interaction in several solid tumors. The aim of our pilot study was to evaluate the correlation between CCN1 expression in stromal cells, pancreatic intraepithelial neoplasia (PanIN) and pancreatic ductal adenocarcinoma cells in resected pancreatic ductal adenocarcinoma (PDAC) specimens, and correlate that clinically. METHODS A total of 42 paraffin-embedded PDAC tumor specimens were stained for CCN1 and evaluated via immunohistochemical (IHC) analysis. Statistical analysis was performed to correlate between CCN1 expression profiles in tumor tissues and clinicopathological parameters of patients. RESULTS Our results showed CCN1 (CYR61) gene was highly expressed in PDAC tissues relative to other organ specific tumor tissues. Also, moderate and overexpression of CCN1 in PanIN was associated with PanIN grade 3 tissues. A statistically significant association was found between PanIN CCN1 scores on one hand and cancer stage, cancer grade, and CCN1 expression among ductal tumor cells and adjacent stromal cells on the other hand. DISCUSSION The associations demonstrated suggest that CCN1 might be contributing to a substantial role in the interaction between the pancreatic tumors on one hand and their surrounding microenvironment and their precursors on the other hand; hence, it might serve as a potential therapeutic target for PDAC.
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Affiliation(s)
- Wassim Abou-Kheir
- Department of Anatomy, Cell Biology and Physiological Sciences, Faculty of Medicine, American University of Beirut, Beirut, Lebanon
| | - Deborah Mukherji
- Department of Internal Medicine, Division of Hematology/Oncology, American University of Beirut Medical Center, Beirut, Lebanon
| | - Ola Hadadeh
- Department of Anatomy, Cell Biology and Physiological Sciences, Faculty of Medicine, American University of Beirut, Beirut, Lebanon
| | - Eman Saleh
- Department of Anatomy, Cell Biology and Physiological Sciences, Faculty of Medicine, American University of Beirut, Beirut, Lebanon
| | - Hisham F. Bahmad
- Department of Anatomy, Cell Biology and Physiological Sciences, Faculty of Medicine, American University of Beirut, Beirut, Lebanon
| | - Mariam Kanso
- Department of Surgery, Division of General Surgery, Liver Transplantation and Hepatopancreaticobiliary (HPB) Unit, American University of Beirut Medical Center, Beirut, Lebanon
| | - Mohamad Khalifeh
- Department of Surgery, Division of General Surgery, Liver Transplantation and Hepatopancreaticobiliary (HPB) Unit, American University of Beirut Medical Center, Beirut, Lebanon
| | - Ali Shamseddine
- Department of Internal Medicine, Division of Hematology/Oncology, American University of Beirut Medical Center, Beirut, Lebanon
| | - Sally Tamraz
- Department of Internal Medicine, Division of Hematology/Oncology, American University of Beirut Medical Center, Beirut, Lebanon
| | - Rola Jaafar
- Department of Surgery, Division of General Surgery, Liver Transplantation and Hepatopancreaticobiliary (HPB) Unit, American University of Beirut Medical Center, Beirut, Lebanon
| | - Christelle Dagher
- Department of Internal Medicine, Division of Hematology/Oncology, American University of Beirut Medical Center, Beirut, Lebanon
| | - Ibrahim Khalifeh
- Department of Pathology and Laboratory Medicine, American University of Beirut Medical Center, Beirut, Lebanon
| | - Walid Faraj
- Department of Surgery, Division of General Surgery, Liver Transplantation and Hepatopancreaticobiliary (HPB) Unit, American University of Beirut Medical Center, Beirut, Lebanon
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21
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CCN-Based Therapeutic Peptides Modify Pancreatic Ductal Adenocarcinoma Microenvironment and Decrease Tumor Growth in Combination with Chemotherapy. Cells 2020; 9:cells9040952. [PMID: 32294968 PMCID: PMC7226963 DOI: 10.3390/cells9040952] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2020] [Revised: 04/07/2020] [Accepted: 04/09/2020] [Indexed: 12/23/2022] Open
Abstract
The prominent desmoplastic stroma of pancreatic ductal adenocarcinoma (PDAC) is a determinant factor in tumor progression and a major barrier to the access of chemotherapy. The PDAC microenvironment therefore appears to be a promising therapeutic target. CCN2/CTGF is a profibrotic matricellular protein, highly present in the PDAC microenvironment and associated with disease progression. Here we have investigated the therapeutic value of the CCN2-targeting BLR100 and BLR200, two modified synthetic peptides derived from active regions of CCN3, an endogenous inhibitor of CCN2. In a murine orthotopic PDAC model, the two peptides, administered as monotherapy at low doses (approximating physiological levels of CCN3), had tumor inhibitory activity that increased with the dose. The peptides affected the tumor microenvironment, inhibiting fibrosis and vessel formation and reducing necrosis. Both peptides were active in preventing ascites formation. An increased activity was obtained in combination regimens, administering BLR100 or BLR200 with the chemotherapeutic drug gemcitabine. Pharmacokinetic analysis indicated that the improved activity of the combination was not mainly determined by the substantial increase in gemcitabine delivery to tumors, suggesting other effects on the tumor microenvironment. The beneficial remodeling of the tumor stroma supports the potential value of these CCN3-derived peptides for targeting pathways regulated by CCN2 in PDAC.
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Zhang Y, Lei Y, Xu J, Hua J, Zhang B, Liu J, Liang C, Meng Q, Yu X, Shi S. Role of Damage DNA-Binding Protein 1 in Pancreatic Cancer Progression and Chemoresistance. Cancers (Basel) 2019; 11:cancers11121998. [PMID: 31842285 PMCID: PMC6966444 DOI: 10.3390/cancers11121998] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2019] [Revised: 11/06/2019] [Accepted: 11/12/2019] [Indexed: 12/19/2022] Open
Abstract
Damaged DNA-binding protein 1 (DDB1) recruits nucleotide excision pathway proteins to form the UV-damaged DNA-binding protein complex and is required for DNA repair. DDB1 was reported to participate in apoptosis and chemoresistance regulation in several cancers. However, little is known about the function of DDB1 in pancreatic adenocarcinoma (PDAC). In this study, we reported that DDB1 functions as a tumor-promoting factor in PDAC by regulating cancer cell proliferation, epithelial-mesenchymal transition (EMT) and chemoresistance. Compared to normal pancreatic tissues, PDAC tissues had high expression levels of DDB1, and this high expression was positively correlated with poor prognosis. Furthermore, reductions in cell proliferation and EMT were observed in DDB1-deficient PDAC cell lines. Intriguingly, we also found that abrogation of DDB1 expression increased PDAC cell sensitivity to gemcitabine (GEM). Mechanistically, DDB1 knockdown was associated with an increase in deoxycytidine kinase expression in vivo and in vitro. In summary, our work demonstrated that DDB1 promotes PDAC progression and chemoresistance and may serve as a potential predictive marker and therapeutic target for PDAC treatment.
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Affiliation(s)
- Yiyin Zhang
- Department of Pancreatic Surgery, Fudan University Shanghai Cancer Center, No. 270 Dong’An Road, Shanghai 200032, China; (Y.Z.); (Y.L.); (J.X.); (J.H.); (B.Z.); (J.L.); (C.L.); (Q.M.)
- Department of Oncology, Shanghai Medical College, Fudan University, No. 270 Dong’An Road, Shanghai 200032, China
- Shanghai Pancreatic Cancer Institute, No. 270 Dong’An Road, Shanghai 200032, China
- Pancreatic Cancer Institute, Fudan University, No. 270 Dong’An Road, Shanghai 200032, China
| | - Yubin Lei
- Department of Pancreatic Surgery, Fudan University Shanghai Cancer Center, No. 270 Dong’An Road, Shanghai 200032, China; (Y.Z.); (Y.L.); (J.X.); (J.H.); (B.Z.); (J.L.); (C.L.); (Q.M.)
- Department of Oncology, Shanghai Medical College, Fudan University, No. 270 Dong’An Road, Shanghai 200032, China
- Shanghai Pancreatic Cancer Institute, No. 270 Dong’An Road, Shanghai 200032, China
- Pancreatic Cancer Institute, Fudan University, No. 270 Dong’An Road, Shanghai 200032, China
| | - Jin Xu
- Department of Pancreatic Surgery, Fudan University Shanghai Cancer Center, No. 270 Dong’An Road, Shanghai 200032, China; (Y.Z.); (Y.L.); (J.X.); (J.H.); (B.Z.); (J.L.); (C.L.); (Q.M.)
- Department of Oncology, Shanghai Medical College, Fudan University, No. 270 Dong’An Road, Shanghai 200032, China
- Shanghai Pancreatic Cancer Institute, No. 270 Dong’An Road, Shanghai 200032, China
- Pancreatic Cancer Institute, Fudan University, No. 270 Dong’An Road, Shanghai 200032, China
| | - Jie Hua
- Department of Pancreatic Surgery, Fudan University Shanghai Cancer Center, No. 270 Dong’An Road, Shanghai 200032, China; (Y.Z.); (Y.L.); (J.X.); (J.H.); (B.Z.); (J.L.); (C.L.); (Q.M.)
- Department of Oncology, Shanghai Medical College, Fudan University, No. 270 Dong’An Road, Shanghai 200032, China
- Shanghai Pancreatic Cancer Institute, No. 270 Dong’An Road, Shanghai 200032, China
- Pancreatic Cancer Institute, Fudan University, No. 270 Dong’An Road, Shanghai 200032, China
| | - Bo Zhang
- Department of Pancreatic Surgery, Fudan University Shanghai Cancer Center, No. 270 Dong’An Road, Shanghai 200032, China; (Y.Z.); (Y.L.); (J.X.); (J.H.); (B.Z.); (J.L.); (C.L.); (Q.M.)
- Department of Oncology, Shanghai Medical College, Fudan University, No. 270 Dong’An Road, Shanghai 200032, China
- Shanghai Pancreatic Cancer Institute, No. 270 Dong’An Road, Shanghai 200032, China
- Pancreatic Cancer Institute, Fudan University, No. 270 Dong’An Road, Shanghai 200032, China
| | - Jiang Liu
- Department of Pancreatic Surgery, Fudan University Shanghai Cancer Center, No. 270 Dong’An Road, Shanghai 200032, China; (Y.Z.); (Y.L.); (J.X.); (J.H.); (B.Z.); (J.L.); (C.L.); (Q.M.)
- Department of Oncology, Shanghai Medical College, Fudan University, No. 270 Dong’An Road, Shanghai 200032, China
- Shanghai Pancreatic Cancer Institute, No. 270 Dong’An Road, Shanghai 200032, China
- Pancreatic Cancer Institute, Fudan University, No. 270 Dong’An Road, Shanghai 200032, China
| | - Chen Liang
- Department of Pancreatic Surgery, Fudan University Shanghai Cancer Center, No. 270 Dong’An Road, Shanghai 200032, China; (Y.Z.); (Y.L.); (J.X.); (J.H.); (B.Z.); (J.L.); (C.L.); (Q.M.)
- Department of Oncology, Shanghai Medical College, Fudan University, No. 270 Dong’An Road, Shanghai 200032, China
- Shanghai Pancreatic Cancer Institute, No. 270 Dong’An Road, Shanghai 200032, China
- Pancreatic Cancer Institute, Fudan University, No. 270 Dong’An Road, Shanghai 200032, China
| | - Qingcai Meng
- Department of Pancreatic Surgery, Fudan University Shanghai Cancer Center, No. 270 Dong’An Road, Shanghai 200032, China; (Y.Z.); (Y.L.); (J.X.); (J.H.); (B.Z.); (J.L.); (C.L.); (Q.M.)
- Department of Oncology, Shanghai Medical College, Fudan University, No. 270 Dong’An Road, Shanghai 200032, China
- Shanghai Pancreatic Cancer Institute, No. 270 Dong’An Road, Shanghai 200032, China
- Pancreatic Cancer Institute, Fudan University, No. 270 Dong’An Road, Shanghai 200032, China
| | - Xianjun Yu
- Department of Pancreatic Surgery, Fudan University Shanghai Cancer Center, No. 270 Dong’An Road, Shanghai 200032, China; (Y.Z.); (Y.L.); (J.X.); (J.H.); (B.Z.); (J.L.); (C.L.); (Q.M.)
- Department of Oncology, Shanghai Medical College, Fudan University, No. 270 Dong’An Road, Shanghai 200032, China
- Shanghai Pancreatic Cancer Institute, No. 270 Dong’An Road, Shanghai 200032, China
- Pancreatic Cancer Institute, Fudan University, No. 270 Dong’An Road, Shanghai 200032, China
- Correspondence: (X.Y.); (S.S.); Tel.: +86-021-6417-5590 (X.Y.); +86-021-6403-1446 (S.S.)
| | - Si Shi
- Shanghai Pancreatic Cancer Institute, No. 270 Dong’An Road, Shanghai 200032, China
- Correspondence: (X.Y.); (S.S.); Tel.: +86-021-6417-5590 (X.Y.); +86-021-6403-1446 (S.S.)
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Zhu B, Pan S, Liu J, Wang S, Ni Y, Xiao L, Wei Q, Peng Y, Ding Z, Zhao W. HIF-1α forms regulatory loop with YAP to coordinate hypoxia-induced adriamycin resistance in acute myeloid leukemia cells. Cell Biol Int 2019; 44:456-466. [PMID: 31617641 DOI: 10.1002/cbin.11246] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Accepted: 10/13/2019] [Indexed: 12/13/2022]
Abstract
Despite the improvement in acute myeloid leukemia (AML) treatments, most patients had a poor prognosis and suffered from chemoresistance and disease relapse. Therefore, there is an urgent need for elucidation of mechanism(s) underlying drug resistance in AML. In the present study, we found that AML cells showed less susceptibility to adriamycin (ADR) in the presence of hypoxia, while inhibition of hypoxia-inducible factor 1α (HIF-1α) by CdCl2 can make AML cells re-susceptibile to ADR even under hypoxia. Moreover, HIF-1α is overexpressed and plays an important role in ADR-resistance maintenance in resistant AML cells. We further found hypoxia or induction of HIF-1α can significantly upregulate yes-associated protein (YAP) expression in AML cells, and resistant cells express a high level of YAP. Finally, we found that YAP may not only enhance HIF-1α stability but also promote HIF-1α's activity on the target gene pyruvate kinase M2. In conclusion, our data indicate that HIF-1α or YAP may represent a therapeutic target for overcoming resistance toward adriamycin-based chemotherapy in AML.
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Affiliation(s)
- Bin Zhu
- Department of Hematology, the Sixth People's Hospital Affiliated to Shanghai Jiaotong University South Branch, i.e. Shanghai Fengxian District Central Hospital, Shanghai, 201499, China
| | - Shaoying Pan
- Department of Hematology, the Sixth People's Hospital Affiliated to Shanghai Jiaotong University South Branch, i.e. Shanghai Fengxian District Central Hospital, Shanghai, 201499, China
| | - Juanjuan Liu
- Department of Hematology, the Sixth People's Hospital Affiliated to Shanghai Jiaotong University South Branch, i.e. Shanghai Fengxian District Central Hospital, Shanghai, 201499, China
| | - Suli Wang
- Department of Hematology, the Sixth People's Hospital Affiliated to Shanghai Jiaotong University South Branch, i.e. Shanghai Fengxian District Central Hospital, Shanghai, 201499, China
| | - Ying Ni
- Department of Hematology, the Sixth People's Hospital Affiliated to Shanghai Jiaotong University South Branch, i.e. Shanghai Fengxian District Central Hospital, Shanghai, 201499, China
| | - Linlin Xiao
- Department of Hematology, the Sixth People's Hospital Affiliated to Shanghai Jiaotong University South Branch, i.e. Shanghai Fengxian District Central Hospital, Shanghai, 201499, China
| | - Quhao Wei
- Department of Hematology, the Sixth People's Hospital Affiliated to Shanghai Jiaotong University South Branch, i.e. Shanghai Fengxian District Central Hospital, Shanghai, 201499, China
| | - You Peng
- Department of Hematology, the Sixth People's Hospital Affiliated to Shanghai Jiaotong University South Branch, i.e. Shanghai Fengxian District Central Hospital, Shanghai, 201499, China
| | - Zhiyong Ding
- Department of Hematology, the Sixth People's Hospital Affiliated to Shanghai Jiaotong University South Branch, i.e. Shanghai Fengxian District Central Hospital, Shanghai, 201499, China
| | - Wenli Zhao
- Department of Hematology, the Sixth People's Hospital Affiliated to Shanghai Jiaotong University South Branch, i.e. Shanghai Fengxian District Central Hospital, Shanghai, 201499, China
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Hellinger JW, Hüchel S, Goetz L, Bauerschmitz G, Emons G, Gründker C. Inhibition of CYR61-S100A4 Axis Limits Breast Cancer Invasion. Front Oncol 2019; 9:1074. [PMID: 31709177 PMCID: PMC6819319 DOI: 10.3389/fonc.2019.01074] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2019] [Accepted: 09/30/2019] [Indexed: 11/13/2022] Open
Abstract
Background and Objective: Matricellular proteins modulate the micro environment of tumors and are recognized to contribute to tumor cell invasion and dissemination. The cysteine-rich angiogenic inducer 61 (CYR61) is upregulated in mesenchymal transformed and invasive breast cancer cells. CYR61 correlates with poor prognosis of breast cancer patients. The signaling mechanism that causes invasive properties of cancer cells regarding to epithelial-mesenchymal transition (EMT) needs further research. In this study, we investigated the signaling mechanism, which is responsible for reduced cell invasion after suppression of CYR61 in mesenchymal transformed breast cancer cells and in triple negative breast cancer cells. Methods: We addressed this issue by generating a mesenchymal transformed breast cancer cell line using prolonged mammosphere cultivation. Western blotting and quantitative PCR were used to analyze gene expression alterations. Transient gene silencing was conducted using RNA interference. Proliferation was assessed using AlamarBlue assay. Invasiveness was analyzed using 2D and 3D invasion assays. Immune-histochemical analysis of patient tissue samples was performed to examine the prognostic value of CYR61 expression. Results: In this study, we investigated whether CYR61 could be used as therapeutic target and prognostic marker for invasive breast cancer. We discovered an interaction of CYR61 with metastasis-associated protein S100A4. Suppression of CYR61 by RNA interference reduced the expression of S100A4 dependent on ERK1/2 activity regulation. Non-invasive breast cancer cells became invasive due to extracellular CYR61 supplement. Immune-histochemical analysis of 239 patient tissue samples revealed a correlation of higher CYR61 and S100A4 expression with invasive breast cancer and metastasis. Conclusion: Our data suggest that suppression of CYR61 impedes the formation of an invasive cancer cell phenotype by reducing ERK1/2 phosphorylation thereby suppressing S100A4. These findings identify mechanisms by which CYR61 suppresses cell invasion and suggest it to be a potential therapeutic target and prognostic marker for invasive breast cancer and metastasis.
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Affiliation(s)
- Johanna W Hellinger
- Department of Gynecology and Obstetrics, University Medicine Göttingen, Göttingen, Germany
| | - Silke Hüchel
- Department of Gynecology and Obstetrics, University Medicine Göttingen, Göttingen, Germany
| | - Lena Goetz
- Department of Gynecology and Obstetrics, University Medicine Göttingen, Göttingen, Germany
| | - Gerd Bauerschmitz
- Department of Gynecology and Obstetrics, University Medicine Göttingen, Göttingen, Germany
| | - Günter Emons
- Department of Gynecology and Obstetrics, University Medicine Göttingen, Göttingen, Germany
| | - Carsten Gründker
- Department of Gynecology and Obstetrics, University Medicine Göttingen, Göttingen, Germany
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25
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Cyr61/CCN1 targets for chemosensitization in pancreatic cancer. Oncotarget 2019; 10:3579-3580. [PMID: 31217893 PMCID: PMC6557211 DOI: 10.18632/oncotarget.26986] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2019] [Accepted: 05/13/2019] [Indexed: 01/19/2023] Open
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