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Baxter RC. Endocrine and cellular physiology and pathology of the insulin-like growth factor acid-labile subunit. Nat Rev Endocrinol 2024; 20:414-425. [PMID: 38514815 DOI: 10.1038/s41574-024-00970-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 02/26/2024] [Indexed: 03/23/2024]
Abstract
The acid-labile subunit (ALS) of the insulin-like growth factor (IGF) binding protein (IGFBP) complex, encoded in humans by IGFALS, has a vital role in regulating the endocrine transport and bioavailability of IGF-1 and IGF-2. Accordingly, ALS has a considerable influence on postnatal growth and metabolism. ALS is a leucine-rich glycoprotein that forms high-affinity ternary complexes with IGFBP-3 or IGFBP-5 when they are occupied by either IGF-1 or IGF-2. These complexes constitute a stable reservoir of circulating IGFs, blocking the potentially hypoglycaemic activity of unbound IGFs. ALS is primarily synthesized by hepatocytes and its expression is lower in non-hepatic tissues. ALS synthesis is strongly induced by growth hormone and suppressed by IL-1β, thus potentially serving as a marker of growth hormone secretion and/or activity and of inflammation. IGFALS mutations in humans and Igfals deletion in mice cause modest growth retardation and pubertal delay, accompanied by decreased osteogenesis and enhanced adipogenesis. In hepatocellular carcinoma, IGFALS is described as a tumour suppressor; however, its contribution to other cancers is not well delineated. This Review addresses the endocrine physiology and pathology of ALS, discusses the latest cell and proteomic studies that suggest emerging cellular roles for ALS and outlines its involvement in other disease states.
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Affiliation(s)
- Robert C Baxter
- University of Sydney, Kolling Institute, Royal North Shore Hospital, St Leonards, New South Wales, Australia.
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2
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Ogamino S, Yamamichi M, Sato K, Ishitani T. Dynamics of Wnt/β-catenin reporter activity throughout whole life in a naturally short-lived vertebrate. NPJ AGING 2024; 10:23. [PMID: 38684674 PMCID: PMC11059364 DOI: 10.1038/s41514-024-00149-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Accepted: 04/15/2024] [Indexed: 05/02/2024]
Abstract
Wnt/β-catenin signaling plays a major role in regulation of embryogenesis, organogenesis, and adult tissue homeostasis and regeneration. However, the roles played by Wnt/β-catenin and the spatiotemporal regulation of its activity throughout life, including during aging, are not fully understood. To address these issues, we introduced a Wnt/β-catenin signaling sensitive reporter into African turquoise killifish (Nothobranchius furzeri), a naturally ultra-short-lived fish that allows for the analysis of its whole life within a short period of time. Using this reporter killifish, we unraveled the previously unidentified dynamics of Wnt/β-catenin signaling during development and aging. Using the reporter strain, we detected Wnt/β-catenin activity in actively developing tissues as reported in previous reports, but also observed activation and attenuation of Wnt/β-catenin activity during embryonic reaggregation and diapause, respectively. During the aging process, the reporter was activated in the choroidal layer and liver, but its expression decreased in the kidneys. In addition, the reporter also revealed that aging disrupts the spatial regulation and intensity control of Wnt/β-catenin activity seen during fin regeneration, which interferes with precise regeneration. Thus, the employed reporter killifish is a highly useful model for investigating the dynamics of Wnt/β-catenin signaling during both the developmental and aging process.
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Affiliation(s)
- Shohei Ogamino
- Department of Homeostatic Regulation, Division of Cellular and Molecular Biology, Research Institute for Microbial Diseases, Osaka University, Suita, Osaka, 565-0871, Japan
- Institute for Molecular & Cellular Regulation, Gunma University, Gunma, 371-8512, Japan
| | - Moeko Yamamichi
- Department of Homeostatic Regulation, Division of Cellular and Molecular Biology, Research Institute for Microbial Diseases, Osaka University, Suita, Osaka, 565-0871, Japan
| | - Ken Sato
- Institute for Molecular & Cellular Regulation, Gunma University, Gunma, 371-8512, Japan
| | - Tohru Ishitani
- Department of Homeostatic Regulation, Division of Cellular and Molecular Biology, Research Institute for Microbial Diseases, Osaka University, Suita, Osaka, 565-0871, Japan.
- Center for Infectious Disease Education and Research (CiDER), Osaka University, Suita, Osaka, 565-0871, Japan.
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3
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Ladd AD, Duarte S, Sahin I, Zarrinpar A. Mechanisms of drug resistance in HCC. Hepatology 2024; 79:926-940. [PMID: 36680397 DOI: 10.1097/hep.0000000000000237] [Citation(s) in RCA: 42] [Impact Index Per Article: 42.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Accepted: 11/21/2022] [Indexed: 01/22/2023]
Abstract
HCC comprises ∼80% of primary liver cancer. HCC is the only major cancer for which death rates have not improved over the last 10 years. Most patients are diagnosed with advanced disease when surgical and locoregional treatments are not feasible or effective. Sorafenib, a multikinase inhibitor targeting cell growth and angiogenesis, was approved for advanced unresectable HCC in 2007. Since then, other multikinase inhibitors have been approved. Lenvatinib was found to be noninferior to sorafenib as a first-line agent. Regorafenib, cabozantinib, and ramucirumab were shown to prolong survival as second-line agents. Advances in immunotherapy for HCC have also added hope for patients, but their efficacy remains limited. A large proportion of patients with advanced HCC gain no long-term benefit from systemic therapy due to primary and acquired drug resistance, which, combined with its rising incidence, keeps HCC a highly fatal disease. This review summarizes mechanisms of primary and acquired resistance to therapy and includes methods for bypassing resistance. It addresses recent advancements in immunotherapy, provides new perspectives on the linkage between drug resistance and molecular etiology of HCC, and evaluates the role of the microbiome in drug resistance. It also discusses alterations in signaling pathways, dysregulation of apoptosis, modulations in the tumor microenvironment, involvement of cancer stem cells, changes in drug metabolism/transport, tumor hypoxia, DNA repair, and the role of microRNAs in drug resistance. Understanding the interplay among these factors will provide guidance on the development of new therapeutic strategies capable of improving patient outcomes.
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Affiliation(s)
- Alexandra D Ladd
- Department of Surgery, College of Medicine, University of Florida, Gainesville, Florida, USA
| | - Sergio Duarte
- Department of Surgery, College of Medicine, University of Florida, Gainesville, Florida, USA
| | - Ilyas Sahin
- Division of Hematology/Oncology, Department of Medicine, College of Medicine, University of Florida, Gainesville, Florida, USA
| | - Ali Zarrinpar
- Department of Surgery, College of Medicine, University of Florida, Gainesville, Florida, USA
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4
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Ebrahimi N, Manavi MS, Faghihkhorasani F, Fakhr SS, Baei FJ, Khorasani FF, Zare MM, Far NP, Rezaei-Tazangi F, Ren J, Reiter RJ, Nabavi N, Aref AR, Chen C, Ertas YN, Lu Q. Harnessing function of EMT in cancer drug resistance: a metastasis regulator determines chemotherapy response. Cancer Metastasis Rev 2024; 43:457-479. [PMID: 38227149 DOI: 10.1007/s10555-023-10162-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Accepted: 12/08/2023] [Indexed: 01/17/2024]
Abstract
Epithelial-mesenchymal transition (EMT) is a complicated molecular process that governs cellular shape and function changes throughout tissue development and embryogenesis. In addition, EMT contributes to the development and spread of tumors. Expanding and degrading the surrounding microenvironment, cells undergoing EMT move away from the main location. On the basis of the expression of fibroblast-specific protein-1 (FSP1), fibroblast growth factor (FGF), collagen, and smooth muscle actin (-SMA), the mesenchymal phenotype exhibited in fibroblasts is crucial for promoting EMT. While EMT is not entirely reliant on its regulators like ZEB1/2, Twist, and Snail proteins, investigation of upstream signaling (like EGF, TGF-β, Wnt) is required to get a more thorough understanding of tumor EMT. Throughout numerous cancers, connections between tumor epithelial and fibroblast cells that influence tumor growth have been found. The significance of cellular crosstalk stems from the fact that these events affect therapeutic response and disease prognosis. This study examines how classical EMT signals emanating from various cancer cells interfere to tumor metastasis, treatment resistance, and tumor recurrence.
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Affiliation(s)
- Nasim Ebrahimi
- Genetics Division, Department of Cell and Molecular Biology and Microbiology, Faculty of Science and Technology, University of Isfahan, Isfahan, Iran
| | | | | | - Siavash Seifollahy Fakhr
- Department of Biotechnology, Faculty of Applied Ecology, Agricultural Science and Biotechnology, Campus Hamar, Inland Norway University of Applied Sciences, Hamar, Norway
| | | | | | - Mohammad Mehdi Zare
- Faculty of Medicine, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Nazanin Pazhouhesh Far
- Department of Microbiology, Faculty of Advanced Science and Technology, Tehran Medical Science, Islamic Azad University, Tehran, Iran
| | - Fatemeh Rezaei-Tazangi
- Department of Anatomy, School of Medicine, Fasa University of Medical Sciences, Fasa, Iran
| | - Jun Ren
- Department of Cardiology, Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Russel J Reiter
- Department of Cellular and Structural Biology, UT Health Science Center, San Antonio, TX, 77030, USA
| | - Noushin Nabavi
- Department of Urologic Sciences and Vancouver Prostate Centre, University of British Columbia, Vancouver, BC, V6H3Z6, Canada
| | - Amir Reza Aref
- Translational Medicine Group, Xsphera Biosciences, 6 Tide Street, Boston, MA, 02210, USA.
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA.
| | - Chu Chen
- Department of Cardiology, Affiliated Hospital of Nantong University, Jiangsu, 226001, China
| | - Yavuz Nuri Ertas
- ERNAM-Nanotechnology Research and Application Center, Erciyes University, Kayseri, 38039, Türkiye.
- Department of Biomedical Engineering, Erciyes University, Kayseri, 38039, Türkiye.
| | - Qi Lu
- Department of Cardiology, Affiliated Hospital of Nantong University, Jiangsu, 226001, China.
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5
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Fonseca Teixeira A, Wu S, Luwor R, Zhu HJ. A New Era of Integration between Multiomics and Spatio-Temporal Analysis for the Translation of EMT towards Clinical Applications in Cancer. Cells 2023; 12:2740. [PMID: 38067168 PMCID: PMC10706093 DOI: 10.3390/cells12232740] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Revised: 11/28/2023] [Accepted: 11/28/2023] [Indexed: 12/18/2023] Open
Abstract
Epithelial-mesenchymal transition (EMT) is crucial to metastasis by increasing cancer cell migration and invasion. At the cellular level, EMT-related morphological and functional changes are well established. At the molecular level, critical signaling pathways able to drive EMT have been described. Yet, the translation of EMT into efficient diagnostic methods and anti-metastatic therapies is still missing. This highlights a gap in our understanding of the precise mechanisms governing EMT. Here, we discuss evidence suggesting that overcoming this limitation requires the integration of multiple omics, a hitherto neglected strategy in the EMT field. More specifically, this work summarizes results that were independently obtained through epigenomics/transcriptomics while comprehensively reviewing the achievements of proteomics in cancer research. Additionally, we prospect gains to be obtained by applying spatio-temporal multiomics in the investigation of EMT-driven metastasis. Along with the development of more sensitive technologies, the integration of currently available omics, and a look at dynamic alterations that regulate EMT at the subcellular level will lead to a deeper understanding of this process. Further, considering the significance of EMT to cancer progression, this integrative strategy may enable the development of new and improved biomarkers and therapeutics capable of increasing the survival and quality of life of cancer patients.
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Affiliation(s)
- Adilson Fonseca Teixeira
- Department of Surgery, The Royal Melbourne Hospital, The University of Melbourne, Parkville, VIC 3050, Australia (S.W.); (R.L.)
- Huagene Institute, Kecheng Science and Technology Park, Pukou District, Nanjing 211800, China
| | - Siqi Wu
- Department of Surgery, The Royal Melbourne Hospital, The University of Melbourne, Parkville, VIC 3050, Australia (S.W.); (R.L.)
- Huagene Institute, Kecheng Science and Technology Park, Pukou District, Nanjing 211800, China
| | - Rodney Luwor
- Department of Surgery, The Royal Melbourne Hospital, The University of Melbourne, Parkville, VIC 3050, Australia (S.W.); (R.L.)
- Huagene Institute, Kecheng Science and Technology Park, Pukou District, Nanjing 211800, China
- Fiona Elsey Cancer Research Institute, Ballarat, VIC 3350, Australia
- Health, Innovation and Transformation Centre, Federation University, Ballarat, VIC 3350, Australia
| | - Hong-Jian Zhu
- Department of Surgery, The Royal Melbourne Hospital, The University of Melbourne, Parkville, VIC 3050, Australia (S.W.); (R.L.)
- Huagene Institute, Kecheng Science and Technology Park, Pukou District, Nanjing 211800, China
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6
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Choi JH, Thung SN. Advances in Histological and Molecular Classification of Hepatocellular Carcinoma. Biomedicines 2023; 11:2582. [PMID: 37761023 PMCID: PMC10526317 DOI: 10.3390/biomedicines11092582] [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: 07/13/2023] [Revised: 09/06/2023] [Accepted: 09/08/2023] [Indexed: 09/29/2023] Open
Abstract
Hepatocellular carcinoma (HCC) is a primary liver cancer characterized by hepatocellular differentiation. HCC is molecularly heterogeneous with a wide spectrum of histopathology. The prognosis of patients with HCC is generally poor, especially in those with advanced stages. HCC remains a diagnostic challenge for pathologists because of its morphological and phenotypic diversity. However, recent advances have enhanced our understanding of the molecular genetics and histological subtypes of HCC. Accurate diagnosis of HCC is important for patient management and prognosis. This review provides an update on HCC pathology, focusing on molecular genetics, histological subtypes, and diagnostic approaches.
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Affiliation(s)
- Joon Hyuk Choi
- Department of Pathology, Yeungnam University College of Medicine, Daegu 42415, Republic of Korea
| | - Swan N. Thung
- Department of Pathology, Molecular and Cell-Based Medicine, Icahn School of Medicine at Mount Sinai, 1468 Madison Avenue, New York, NY 10029, USA;
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7
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Nevola R, Beccia D, Rosato V, Ruocco R, Mastrocinque D, Villani A, Perillo P, Imbriani S, Delle Femine A, Criscuolo L, Alfano M, La Montagna M, Russo A, Marfella R, Cozzolino D, Sasso FC, Rinaldi L, Marrone A, Adinolfi LE, Claar E. HBV Infection and Host Interactions: The Role in Viral Persistence and Oncogenesis. Int J Mol Sci 2023; 24:7651. [PMID: 37108816 PMCID: PMC10145402 DOI: 10.3390/ijms24087651] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Revised: 04/14/2023] [Accepted: 04/19/2023] [Indexed: 04/29/2023] Open
Abstract
Hepatitis B virus (HBV) is a major cause of chronic hepatitis, liver cirrhosis, and hepatocellular carcinoma. Despite the advent of vaccines and potent antiviral agents able to suppress viral replication, recovery from chronic HBV infection is still an extremely difficult goal to achieve. Complex interactions between virus and host are responsible for HBV persistence and the risk of oncogenesis. Through multiple pathways, HBV is able to silence both innate and adaptive immunological responses and become out of control. Furthermore, the integration of the viral genome into that of the host and the production of covalently closed circular DNA (cccDNA) represent reservoirs of viral persistence and account for the difficult eradication of the infection. An adequate knowledge of the virus-host interaction mechanisms responsible for viral persistence and the risk of hepatocarcinogenesis is necessary for the development of functional cures for chronic HBV infection. The purpose of this review is, therefore, to analyze how interactions between HBV and host concur in the mechanisms of infection, persistence, and oncogenesis and what are the implications and the therapeutic perspectives that follow.
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Affiliation(s)
- Riccardo Nevola
- Liver Unit, Ospedale Evangelico Betania, 80147 Naples, Italy; (V.R.); (D.M.); (P.P.); (E.C.)
- Department of Advanced Medical and Surgical Sciences, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (D.B.); (R.R.); (A.V.); (S.I.); (A.D.F.); (L.C.); (M.A.); (M.L.M.); (R.M.); (D.C.); (F.C.S.); (L.R.); (A.M.); (L.E.A.)
| | - Domenico Beccia
- Department of Advanced Medical and Surgical Sciences, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (D.B.); (R.R.); (A.V.); (S.I.); (A.D.F.); (L.C.); (M.A.); (M.L.M.); (R.M.); (D.C.); (F.C.S.); (L.R.); (A.M.); (L.E.A.)
| | - Valerio Rosato
- Liver Unit, Ospedale Evangelico Betania, 80147 Naples, Italy; (V.R.); (D.M.); (P.P.); (E.C.)
| | - Rachele Ruocco
- Department of Advanced Medical and Surgical Sciences, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (D.B.); (R.R.); (A.V.); (S.I.); (A.D.F.); (L.C.); (M.A.); (M.L.M.); (R.M.); (D.C.); (F.C.S.); (L.R.); (A.M.); (L.E.A.)
| | - Davide Mastrocinque
- Liver Unit, Ospedale Evangelico Betania, 80147 Naples, Italy; (V.R.); (D.M.); (P.P.); (E.C.)
| | - Angela Villani
- Department of Advanced Medical and Surgical Sciences, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (D.B.); (R.R.); (A.V.); (S.I.); (A.D.F.); (L.C.); (M.A.); (M.L.M.); (R.M.); (D.C.); (F.C.S.); (L.R.); (A.M.); (L.E.A.)
| | - Pasquale Perillo
- Liver Unit, Ospedale Evangelico Betania, 80147 Naples, Italy; (V.R.); (D.M.); (P.P.); (E.C.)
| | - Simona Imbriani
- Department of Advanced Medical and Surgical Sciences, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (D.B.); (R.R.); (A.V.); (S.I.); (A.D.F.); (L.C.); (M.A.); (M.L.M.); (R.M.); (D.C.); (F.C.S.); (L.R.); (A.M.); (L.E.A.)
| | - Augusto Delle Femine
- Department of Advanced Medical and Surgical Sciences, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (D.B.); (R.R.); (A.V.); (S.I.); (A.D.F.); (L.C.); (M.A.); (M.L.M.); (R.M.); (D.C.); (F.C.S.); (L.R.); (A.M.); (L.E.A.)
| | - Livio Criscuolo
- Department of Advanced Medical and Surgical Sciences, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (D.B.); (R.R.); (A.V.); (S.I.); (A.D.F.); (L.C.); (M.A.); (M.L.M.); (R.M.); (D.C.); (F.C.S.); (L.R.); (A.M.); (L.E.A.)
| | - Maria Alfano
- Department of Advanced Medical and Surgical Sciences, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (D.B.); (R.R.); (A.V.); (S.I.); (A.D.F.); (L.C.); (M.A.); (M.L.M.); (R.M.); (D.C.); (F.C.S.); (L.R.); (A.M.); (L.E.A.)
| | - Marco La Montagna
- Department of Advanced Medical and Surgical Sciences, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (D.B.); (R.R.); (A.V.); (S.I.); (A.D.F.); (L.C.); (M.A.); (M.L.M.); (R.M.); (D.C.); (F.C.S.); (L.R.); (A.M.); (L.E.A.)
| | - Antonio Russo
- Department of Mental Health and Public Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy;
| | - Raffaele Marfella
- Department of Advanced Medical and Surgical Sciences, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (D.B.); (R.R.); (A.V.); (S.I.); (A.D.F.); (L.C.); (M.A.); (M.L.M.); (R.M.); (D.C.); (F.C.S.); (L.R.); (A.M.); (L.E.A.)
| | - Domenico Cozzolino
- Department of Advanced Medical and Surgical Sciences, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (D.B.); (R.R.); (A.V.); (S.I.); (A.D.F.); (L.C.); (M.A.); (M.L.M.); (R.M.); (D.C.); (F.C.S.); (L.R.); (A.M.); (L.E.A.)
| | - Ferdinando Carlo Sasso
- Department of Advanced Medical and Surgical Sciences, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (D.B.); (R.R.); (A.V.); (S.I.); (A.D.F.); (L.C.); (M.A.); (M.L.M.); (R.M.); (D.C.); (F.C.S.); (L.R.); (A.M.); (L.E.A.)
| | - Luca Rinaldi
- Department of Advanced Medical and Surgical Sciences, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (D.B.); (R.R.); (A.V.); (S.I.); (A.D.F.); (L.C.); (M.A.); (M.L.M.); (R.M.); (D.C.); (F.C.S.); (L.R.); (A.M.); (L.E.A.)
| | - Aldo Marrone
- Department of Advanced Medical and Surgical Sciences, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (D.B.); (R.R.); (A.V.); (S.I.); (A.D.F.); (L.C.); (M.A.); (M.L.M.); (R.M.); (D.C.); (F.C.S.); (L.R.); (A.M.); (L.E.A.)
| | - Luigi Elio Adinolfi
- Department of Advanced Medical and Surgical Sciences, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (D.B.); (R.R.); (A.V.); (S.I.); (A.D.F.); (L.C.); (M.A.); (M.L.M.); (R.M.); (D.C.); (F.C.S.); (L.R.); (A.M.); (L.E.A.)
| | - Ernesto Claar
- Liver Unit, Ospedale Evangelico Betania, 80147 Naples, Italy; (V.R.); (D.M.); (P.P.); (E.C.)
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Singh AK, Singh SV, Kumar R, Kumar S, Senapati S, Pandey AK. Current therapeutic modalities and chemopreventive role of natural products in liver cancer: Progress and promise. World J Hepatol 2023; 15:1-18. [PMID: 36744169 PMCID: PMC9896505 DOI: 10.4254/wjh.v15.i1.1] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Revised: 07/02/2022] [Accepted: 12/21/2022] [Indexed: 01/16/2023] Open
Abstract
Liver cancer is a severe concern for public health officials since the clinical cases are increasing each year, with an estimated 5-year survival rate of 30%–35% after diagnosis. Hepatocellular carcinoma (HCC) constitutes a significant subtype of liver cancer (approximate75%) and is considered primary liver cancer. Treatment for liver cancer mainly depends on the stage of its progression, where surgery including, hepatectomy and liver transplantation, and ablation and radiotherapy are the prime choice. For advanced liver cancer, various drugs and immunotherapy are used as first-line treatment, whereas second-line treatment includes chemotherapeutic drugs from natural and synthetic origins. Sorafenib and lenvatinib are first-line therapies, while regorafenib and ramucirumab are second-line therapy. Various metabolic and signaling pathways such as Notch, JAK/ STAT, Hippo, TGF-β, and Wnt have played a critical role during HCC progression. Dysbiosis has also been implicated in liver cancer. Drug-induced toxicity is a key obstacle in the treatment of liver cancer, necessitating the development of effective and safe medications, with natural compounds such as resveratrol, curcumin, diallyl sulfide, and others emerging as promising anticancer agents. This review highlights the current status of liver cancer research, signaling pathways, therapeutic targets, current treatment strategies and the chemopreventive role of various natural products in managing liver cancer.
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Affiliation(s)
- Amit Kumar Singh
- Department of Botany, Government Naveen Girls College, Balod (Hemchand Yadav University), Durg, Chattisgarh, India
- Department of Biochemistry, University of Allahabad, Prayagraj 211002, Uttar Pradesh, India
| | - Shiv Vardan Singh
- Department of Biochemistry, University of Allahabad, Prayagraj 211002, Uttar Pradesh, India
| | - Ramesh Kumar
- Department of Biochemistry, University of Allahabad, Prayagraj 211002, Uttar Pradesh, India
- Department of Biochemistry, School of Basic and Applied Sciences, Central University of Punjab, Bathinda 151401, Punjab, India
| | - Shashank Kumar
- Department of Biochemistry, School of Basic and Applied Sciences, Central University of Punjab, Bathinda 151401, Punjab, India
| | - Sabyasachi Senapati
- Department of Human Genetics and Molecular Medicine, Central University of Punjab, Bathinda 151401, Punjab, India
| | - Abhay K Pandey
- Department of Biochemistry, University of Allahabad, Prayagraj 211002, Uttar Pradesh, India
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Zou G, Park JI. Wnt signaling in liver regeneration, disease, and cancer. Clin Mol Hepatol 2023; 29:33-50. [PMID: 35785913 PMCID: PMC9845677 DOI: 10.3350/cmh.2022.0058] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Accepted: 06/30/2022] [Indexed: 02/02/2023] Open
Abstract
The liver exhibits the highest recovery rate from acute injuries. However, in chronic liver disease, the long-term loss of hepatocytes often leads to adverse consequences such as fibrosis, cirrhosis, and liver cancer. The Wnt signaling plays a pivotal role in both liver regeneration and tumorigenesis. Therefore, manipulating the Wnt signaling has become an attractive approach to treating liver disease, including cancer. Nonetheless, given the crucial roles of Wnt signaling in physiological processes, blocking Wnt signaling can also cause several adverse effects. Recent studies have identified cancer-specific regulators of Wnt signaling, which would overcome the limitation of Wnt signaling target approaches. In this review, we discussed the role of Wnt signaling in liver regeneration, precancerous lesion, and liver cancer. Furthermore, we summarized the basic and clinical approaches of Wnt signaling blockade and proposed the therapeutic prospects of cancer-specific Wnt signaling blockade for liver cancer treatment.
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Affiliation(s)
- Gengyi Zou
- Department of Experimental Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA,Corresponding author : Gengyi Zou Department of Experimental Radiation Oncology, The University of Texas MD Anderson Cancer Center, 6565 MD Anderson Blvd Unit 1054, Houston, TX 77030, USA Tel: +1-713-792-3659, Fax: +1-713-794-5369, E-mail:
| | - Jae-Il Park
- Department of Experimental Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA,Genetics and Epigenetics Program, The University of Texas MD Anderson Cancer Center Graduate School of Biomedical Sciences, Houston, TX, USA,Jae-Il Park Department of Experimental Radiation Oncology, The University of Texas MD Anderson Cancer Center, 6565 MD Anderson Blvd. Unit 1052, Houston, TX 77030, USA Tel: +1-713-792-3659, Fax: +1-713-794-5369, E-mail:
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10
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Ye J, Lin Y, Gao X, Lu L, Huang X, Huang S, Bai T, Wu G, Luo X, Li Y, Liang R. Prognosis-Related Molecular Subtypes and Immune Features Associated with Hepatocellular Carcinoma. Cancers (Basel) 2022; 14:cancers14225721. [PMID: 36428813 PMCID: PMC9688639 DOI: 10.3390/cancers14225721] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Revised: 10/29/2022] [Accepted: 11/01/2022] [Indexed: 11/23/2022] Open
Abstract
Bioinformatics tools were used to identify prognosis-related molecular subtypes and biomarkers of hepatocellular carcinoma (HCC). Differential expression analysis of four datasets identified 3330 overlapping differentially expressed genes (DEGs) in the same direction in all four datasets. Those genes were involved in the cell cycle, FOXO signaling pathway, as well as complement and coagulation cascades. Based on non-negative matrix decomposition, two molecular subtypes of HCC with different prognoses were identified, with subtype C2 showing better overall survival than subtype C1. Cox regression and Kaplan-Meier analysis showed that 217 of the overlapping DEGs were closely associated with HCC prognosis. The subset of those genes showing an area under the curve >0.80 was used to construct random survival forest and least absolute shrinkage and selection operator models, which identified seven feature genes (SORBS2, DHRS1, SLC16A2, RCL1, IGFALS, GNA14, and FANCI) that may be involved in HCC occurrence and prognosis. Based on the feature genes, risk score and recurrence models were constructed, while a univariate Cox model identified FANCI as a key gene involved mainly in the cell cycle, DNA replication, and mismatch repair. Further analysis showed that FANCI had two mutation sites and that its gene may undergo methylation. Single-sample gene set enrichment analysis showed that Th2 and T helper cells are significantly upregulated in HCC patients compared to controls. Our results identify FANCI as a potential prognostic biomarker for HCC.
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Affiliation(s)
- Jiazhou Ye
- Department of Hepatobiliary Surgery, Guangxi Medical University Cancer Hospital, Nanning 530021, China
| | - Yan Lin
- Department of Medical Oncology, Guangxi Medical University Cancer Hospital, Nanning 530021, China
| | - Xing Gao
- Department of Medical Oncology, Guangxi Medical University Cancer Hospital, Nanning 530021, China
| | - Lu Lu
- Department of Medical Oncology, Guangxi Medical University Cancer Hospital, Nanning 530021, China
| | - Xi Huang
- Department of Medical Oncology, Guangxi Medical University Cancer Hospital, Nanning 530021, China
| | - Shilin Huang
- Department of Medical Oncology, Guangxi Medical University Cancer Hospital, Nanning 530021, China
| | - Tao Bai
- Department of Hepatobiliary Surgery, Guangxi Medical University Cancer Hospital, Nanning 530021, China
| | - Guobin Wu
- Department of Hepatobiliary Surgery, Guangxi Medical University Cancer Hospital, Nanning 530021, China
| | - Xiaoling Luo
- Department of Experimental Research, Guangxi Medical University Cancer Hospital, Nanning 530021, China
| | - Yongqiang Li
- Department of Medical Oncology, Guangxi Medical University Cancer Hospital, Nanning 530021, China
- Correspondence: (Y.L.); (R.L.); Tel./Fax: +86-771-5335155 (Y.L. & R.L.)
| | - Rong Liang
- Department of Medical Oncology, Guangxi Medical University Cancer Hospital, Nanning 530021, China
- Correspondence: (Y.L.); (R.L.); Tel./Fax: +86-771-5335155 (Y.L. & R.L.)
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11
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Zhang J, Meng S, Wang X, Wang J, Fan X, Sun H, Ning R, Xiao B, Li X, Jia Y, Kong D, Chen R, Wang C, Ma D, Li S. Sequential gene expression analysis of cervical malignant transformation identifies RFC4 as a novel diagnostic and prognostic biomarker. BMC Med 2022; 20:437. [PMID: 36352434 PMCID: PMC9648022 DOI: 10.1186/s12916-022-02630-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/09/2022] [Accepted: 10/24/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Cervical squamous cell carcinoma (SCC) is known to arise through increasingly higher-grade squamous intraepithelial lesions (SILs) or cervical intraepithelial neoplasias (CINs). This study aimed to describe sequential molecular changes and identify biomarkers in cervical malignant transformation. METHODS Multidimensional data from five publicly available microarray and TCGA-CESC datasets were analyzed. Immunohistochemistry was carried out on 354 cervical tissues (42 normal, 62 CIN1, 26 CIN2, 47 CIN3, and 177 SCC) to determine the potential diagnostic and prognostic value of identified biomarkers. RESULTS We demonstrated that normal epithelium and SILs presented higher molecular homogeneity than SCC. Genes in the region (e.g., 3q, 12q13) with copy number alteration or HPV integration were more likely to lose or gain expression. The IL-17 signaling pathway was enriched throughout disease progression with downregulation of IL17C and decreased Th17 cells at late stage. Furthermore, we identified AURKA, TOP2A, RFC4, and CEP55 as potential causative genes gradually upregulated during the normal-SILs-SCC transition. For detecting high-grade SIL (HSIL), TOP2A and RFC4 showed balanced sensitivity (both 88.2%) and specificity (87.1 and 90.1%), with high AUC (0.88 and 0.89). They had equivalent diagnostic performance alone to the combination of p16INK4a and Ki-67. Meanwhile, increased expression of RFC4 significantly and independently predicted favorable outcomes in multi-institutional cohorts of SCC patients. CONCLUSIONS Our comprehensive study of gene expression profiling has identified dysregulated genes and biological processes during cervical carcinogenesis. RFC4 is proposed as a novel surrogate biomarker for determining HSIL and HSIL+, and an independent prognostic biomarker for SCC.
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Affiliation(s)
- Jianwei Zhang
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430030, China.,Cancer Biology Research Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430030, China.,College of Life Sciences, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Silu Meng
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430030, China.,Cancer Biology Research Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430030, China
| | - Xiaoyan Wang
- Institute of Pathology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430030, China
| | - Jun Wang
- Institute of Pathology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430030, China
| | - Xinran Fan
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430030, China.,Cancer Biology Research Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430030, China
| | - Haiying Sun
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430030, China.,Cancer Biology Research Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430030, China
| | - Ruoqi Ning
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430030, China.,Cancer Biology Research Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430030, China
| | - Bing Xiao
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430030, China.,Cancer Biology Research Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430030, China
| | - Xiangqin Li
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430030, China.,Cancer Biology Research Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430030, China
| | - Yao Jia
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430030, China.,Cancer Biology Research Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430030, China
| | - Dongli Kong
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430030, China.,Cancer Biology Research Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430030, China
| | - Ruqi Chen
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430030, China.,Cancer Biology Research Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430030, China
| | - Changyu Wang
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430030, China. .,Cancer Biology Research Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430030, China.
| | - Ding Ma
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430030, China. .,Cancer Biology Research Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430030, China.
| | - Shuang Li
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430030, China. .,Cancer Biology Research Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430030, China.
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12
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Nault JC, Paradis V, Ronot M, Zucman-Rossi J. Benign liver tumours: understanding molecular physiology to adapt clinical management. Nat Rev Gastroenterol Hepatol 2022; 19:703-716. [PMID: 35835851 DOI: 10.1038/s41575-022-00643-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 06/01/2022] [Indexed: 12/08/2022]
Abstract
Improvements in understanding the pathophysiology of the different benign liver nodules have refined their nosological classification. New criteria have been identified using imaging, histology and molecular analyses for a precise diagnosis of these tumours. Improvement in the classification of liver tumours provides a more accurate prediction of disease progression and has modified patient management. Haemangioma and focal nodular hyperplasia, the most common benign liver tumours that develop in the absence of chronic liver disease, are usually easy to diagnose on imaging and do not require specific treatment. However, hepatocellular adenomas and cirrhotic macronodules can be difficult to discriminate from hepatocellular carcinoma. The molecular subtyping of hepatocellular adenomas in five major subgroups defined by HNF1A inactivation, β-catenin mutation in exon 3 or exon 7/8, and activation of inflammatory or Hedgehog pathways helps to identify the tumours at risk of malignant transformation or bleeding. New clinical, biological and molecular tools have gradually been included in diagnostic and treatment algorithms to classify benign liver tumours and improve patient management. This Review aims to explain the main pathogenic mechanisms of benign liver tumours and how this knowledge could influence clinical practice.
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Affiliation(s)
- Jean-Charles Nault
- Service d'hépatologie, Hôpital Avicenne, Hôpitaux Universitaires Paris-Seine-Saint-Denis, Assistance-Publique Hôpitaux de Paris, Bobigny, France. .,Unité de Formation et de Recherche Santé Médecine et Biologie Humaine, Université Paris Nord, Communauté d'Universités et Etablissements Sorbonne Paris Cité, Paris, France. .,Centre de Recherche des Cordeliers, Sorbonne Université, Inserm, Université de Paris Cité, team «Functional Genomics of Solid Tumors», Paris, France. .,Equipe labellisée Ligue Nationale Contre le Cancer, Labex OncoImmunology, Paris, France.
| | - Valérie Paradis
- Service de Pathologie, Hôpital Beaujon, AP-HP Nord, Clichy, France.,Université de Paris, INSERM U1149 "Centre de Recherche sur l'inflammation", CRI, Paris, France
| | - Maxime Ronot
- Université de Paris, INSERM U1149 "Centre de Recherche sur l'inflammation", CRI, Paris, France.,Department of Radiology, Assistance-Publique Hôpitaux de Paris, Hôpital Beaujon, AP-HP Nord, Clichy, France
| | - Jessica Zucman-Rossi
- Centre de Recherche des Cordeliers, Sorbonne Université, Inserm, Université de Paris Cité, team «Functional Genomics of Solid Tumors», Paris, France. .,Equipe labellisée Ligue Nationale Contre le Cancer, Labex OncoImmunology, Paris, France. .,Hôpital Européen Georges Pompidou, APHP, Paris, France.
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13
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Testa U, Pelosi E, Castelli G. Clinical value of identifying genes that inhibit hepatocellular carcinomas. Expert Rev Mol Diagn 2022; 22:1009-1035. [PMID: 36459631 DOI: 10.1080/14737159.2022.2154658] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/05/2022]
Abstract
INTRODUCTION Primary liver cancer is a major health problem being the sixth most frequent cancer in the world and the fourth most frequent cause of cancer-related death in the world. The most common histological type of liver cancer is hepatocellular carcinoma (HCC, 75-80%). AREAS COVERED Based on primary literature, this review provides an updated analysis of studies of genetic characterization of HCC at the level of gene mutation profiling, copy number alterations and gene expression, with definition of molecular subgroups and identification of some molecular biomarkers and therapeutic targets. EXPERT OPINION A detailed and comprehensive study of the genetic abnormalities characterizing different HCC subsets represents a fundamental tool for a better understanding of the disease heterogeneity and for the identification of subgroups of patients responding or resistant to targeted treatments and for the discovery of new therapeutic targets. It is expected that a comprehensive characterization of these tumors may provide a fundamental contribution to improve the survival of a subset of HCC patients. Immunotherapy represents a new fundamental strategy for the treatment of HCC.
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Affiliation(s)
- Ugo Testa
- Department of Oncology, Istituto Superiore Di Sanità, ROME, ITALY
| | - Elvira Pelosi
- Department of Oncology, Istituto Superiore Di Sanità, ROME, ITALY
| | - Germana Castelli
- Department of Oncology, Istituto Superiore Di Sanità, ROME, ITALY
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14
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Liang Y, Guo GL, Zhang L. Current and Emerging Molecular Markers of Liver Diseases: A Pathogenic Perspective. Gene Expr 2022; 21:9-19. [PMID: 38911667 PMCID: PMC11192043 DOI: 10.14218/gejlr.2022.00010] [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] [Indexed: 11/11/2022]
Abstract
In the past decade, with the rapid development of molecular medicine and the application of more sophisticated methods for disease diagnosis and treatment, a number of molecular markers have become available for liver diseases. Pathogenesis-related markers are likely to be effectively discovered and rigorously validated, due to the unique biological links to diseases. The present study reviews the predominant clinical and research articles in the previous decade to provide a pathogenic perspective of current and emerging biomarkers for liver diseases, including hepatocellular neoplasms (e.g. hepatocellular carcinoma), non-neoplastic hepatocellular diseases, intrahepatic biliary diseases, and other liver diseases. Although it remains challenging to cover all markers for the diagnosis and prognosis of liver diseases, current and emerging molecular markers in clinical practice and under investigation are reviewed in a wide spectrum of liver diseases, in order to help clinicians and researchers identify liver disease markers for reference.
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Affiliation(s)
- Yuanxin Liang
- Department of Pathology, Yale University, New Haven, Connecticut, USA
| | - Grace L Guo
- Department of Pharmacology and Toxicology, Ernst Mario School of Pharmacy, Rutgers University, Piscataway, New Jersey, USA
- Research and Development Service, Veterans Health Administration, New Jersey Health Care System, East Orange, New Jersey, USA
| | - Lanjing Zhang
- Department of Pathology, Princeton Medical Center, Plainsboro, New Jersey, USA
- Department of Chemical Biology, Ernst Mario School of Pharmacy, Rutgers University, Piscataway, New Jersey, USA
- Department of Biological Sciences, Rutgers University, Newark, New Jersey, USA
- Rutgers Cancer Institute of New Jersey, New Brunswick, New Jersey, USA
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15
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Zaidi S, Gough NR, Mishra L. Mechanisms and clinical significance of TGF-β in hepatocellular cancer progression. Adv Cancer Res 2022; 156:227-248. [DOI: 10.1016/bs.acr.2022.02.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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16
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Nahm JH, Park YN. [Up-to-date Knowledge on the Pathological Diagnosis of Hepatocellular Carcinoma]. THE KOREAN JOURNAL OF GASTROENTEROLOGY 2021; 78:268-283. [PMID: 34824185 DOI: 10.4166/kjg.2021.140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Revised: 10/21/2021] [Accepted: 10/22/2021] [Indexed: 11/09/2022]
Abstract
Hepatocellular carcinoma (HCC) has heterogeneous molecular and pathological features and biological behavior. Large-scale genetic studies of HCC were accumulated, and a pathological-molecular classification of HCC was proposed. Approximately 35% of HCCs can be classified into distinct histopathological subtypes according to their molecular characteristics. Among recently identified subtypes, macrotrabecular massive HCC, neutrophil-rich HCC, vessels encapsulating tumor clusters HCC, and progenitor phenotype HCC (HCC with CK19 expression) are associated with a poor prognosis, whereas the lymphocyte-rich HCC subtype is related to a better prognosis. This review provides up-to-date knowledge on the pathological diagnosis of HCC according to the updated World Health Organization Classification of Digestive System Tumors 5th ed.
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Affiliation(s)
- Ji Hae Nahm
- Department of Pathology, Yonsei University College of Medicine, Seoul, Korea
| | - Young Nyun Park
- Department of Pathology, Yonsei University College of Medicine, Seoul, Korea.,Graduate School of Medical Science, Brain Korea 21 Project, Yonsei University College of Medicine, Seoul, Korea
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17
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Parsons MJ, Tammela T, Dow LE. WNT as a Driver and Dependency in Cancer. Cancer Discov 2021; 11:2413-2429. [PMID: 34518209 DOI: 10.1158/2159-8290.cd-21-0190] [Citation(s) in RCA: 118] [Impact Index Per Article: 39.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2021] [Revised: 04/30/2021] [Accepted: 06/11/2021] [Indexed: 12/15/2022]
Abstract
The WNT signaling pathway is a critical regulator of development and adult tissue homeostasis and becomes dysregulated in many cancer types. Although hyperactivation of WNT signaling is common, the type and frequency of genetic WNT pathway alterations can vary dramatically between different cancers, highlighting possible cancer-specific mechanisms for WNT-driven disease. In this review, we discuss how WNT pathway disruption contributes to tumorigenesis in different organs and how WNT affects the tumor cell and immune microenvironment. Finally, we describe recent and ongoing efforts to target oncogenic WNT signaling as a therapeutic strategy. SIGNIFICANCE: WNT signaling is a fundamental regulator of tissue homeostasis and oncogenic driver in many cancer types. In this review, we highlight recent advances in our understanding of WNT signaling in cancer, particularly the complexities of WNT activation in distinct cancer types, its role in immune evasion, and the challenge of targeting the WNT pathway as a therapeutic strategy.
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Affiliation(s)
- Marie J Parsons
- Sandra and Edward Meyer Cancer Center, Weill Cornell Medicine, New York, New York
| | - Tuomas Tammela
- Cancer Biology and Genetics Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Lukas E Dow
- Sandra and Edward Meyer Cancer Center, Weill Cornell Medicine, New York, New York. .,Department of Medicine, Weill Cornell Medicine, New York, New York
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18
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Czauderna C, Poplawski A, O Rourke CJ, Castven D, Pérez-Aguilar B, Becker D, Heilmann-Heimbach S, Odenthal M, Amer W, Schmiel M, Drebber U, Binder H, Ridder DA, Schindeldecker M, Straub BK, Galle PR, Andersen JB, Thorgeirsson SS, Park YN, Marquardt JU. Epigenetic modifications precede molecular alterations and drive human hepatocarcinogenesis. JCI Insight 2021; 6:e146196. [PMID: 34375307 PMCID: PMC8492348 DOI: 10.1172/jci.insight.146196] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Accepted: 07/22/2021] [Indexed: 12/24/2022] Open
Abstract
Development of primary liver cancer is a multi-stage process. Detailed understanding of sequential epigenetic alterations is largely missing. Here, we performed Infinium Human Methylation 450k BeadChips and RNA sequencing analyses for genome-wide methylome and transcriptome profiling of cirrhotic liver (n=7), low- (n=4) and high-grade (n=9) dysplastic lesions, early (n=5) and progressed (n=3) hepatocellular carcinomas (HCC) synchronously detected in eight HCC patients with chronic hepatitis B infection. Integrative analyses of epigenetically driven molecular changes were identified and validated in two independent cohorts comprising 887 HCC. Mitochondrial DNA sequencing was further employed for clonality analyses and indicates multi-clonal origin in the majority of investigated HCC. Alterations in DNA methylation progressively increased from CL to dysplastic lesions and reached a maximum in early HCC. Associated early alterations identified by IPA pathway analyses involved apoptosis, immune regulation and stemness pathways, while late changes centered on cell survival, proliferation and invasion. We further validated putative 23 epi-drivers with concomitant expression changes and associated with overall survival. Functionally, Striatin 4 (STRN4) was demonstrated to be epigenetically regulated and inhibition of STRN4 significantly suppressed tumorigenicity of HCC cell lines.Overall, application of integrative genomic analyses defines epigenetic driver alterations and provides promising targets for novel therapeutic approaches.
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Affiliation(s)
- Carolin Czauderna
- Department of Medicine I, University Medical Center Mainz, Mainz, Germany
| | - Alicia Poplawski
- Institute of Medical Biostatistics, Epidemiology and Informatics (IMBEI), Johannes Gutenberg University, Mainz, Germany
| | - Colm J O Rourke
- Department of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Darko Castven
- Department of Medicine I, University Medical Center Mainz, Mainz, Germany
| | | | - Diana Becker
- Department of Medicine I, University Medical Center Mainz, Mainz, Germany
| | | | | | - Wafa Amer
- Institute of Pathology, University of Cologne, Cologne, Germany
| | - Marcel Schmiel
- Institute of Pathology, University of Cologne, Cologne, Germany
| | - Uta Drebber
- Institute of Pathology, University of Cologne, Cologne, Germany
| | - Harald Binder
- Faculty of Medicine and Medical Center, University of Freiburg, Freiburg, Germany
| | - Dirk A Ridder
- Department of Pathology, University Medical Center Mainz, Mainz, Germany
| | | | - Beate K Straub
- Department of Pathology, University Medical Center Mainz, Mainz, Germany
| | - Peter R Galle
- Department of Medicine I, University Medical Center Mainz, Mainz, Germany
| | - Jesper B Andersen
- Department of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Snorri S Thorgeirsson
- Laboratory of Experimental Carcinogenesis (LEC), National Cancer Institute, NIH, Bethesda, United States of America
| | - Young Nyun Park
- Department of Pathology, Yonsei University, Seoul, Korea, Republic of
| | - Jens U Marquardt
- Department of Medicine I, University Medical Center Mainz, Mainz, Germany
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19
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Gallage S, García-Beccaria M, Szydlowska M, Rahbari M, Mohr R, Tacke F, Heikenwalder M. The therapeutic landscape of hepatocellular carcinoma. MED 2021; 2:505-552. [DOI: 10.1016/j.medj.2021.03.002] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Revised: 02/23/2021] [Accepted: 03/11/2021] [Indexed: 02/07/2023]
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20
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Aboughaleb IH, Matboli M, Shawky SM, El-Sharkawy YH. Integration of transcriptomes analysis with spectral signature of total RNA for generation of affordable remote sensing of Hepatocellular carcinoma in serum clinical specimens. Heliyon 2021; 7:e06388. [PMID: 33748469 PMCID: PMC7972971 DOI: 10.1016/j.heliyon.2021.e06388] [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: 07/29/2020] [Revised: 01/08/2021] [Accepted: 02/25/2021] [Indexed: 12/24/2022] Open
Abstract
Hepatocellular carcinoma (HCC) is a major global health problem with about 841,000 new cases and 782,000 deaths annually, due to lacking early biomarker/s, and centralized diagnosis. Transcriptomes research despite its infancy has proved excellence in its implementation in identifying a coherent specific cancer RNAs differential expression. However, results are sometimes overlapped by other cancer types which negatively affecting specificity, plus the high cost of the equipment used. Hyperspectral imaging (HSI) is an advanced tool with unique, spectroscopic features, is an emerging tool that has widely been used in cancer detection. Herein, a pilot study has been performed for HCC diagnosis, by exploiting HIS properties and the analysis of the transcriptome for the development of non-invasive remote HCC sensing. HSI data cube images of the sera extracted total RNA have been analyzed in HCC, normal subject, liver benign tumor, and chronic HCV with cirrhotic/non-cirrhotic liver groups. Data analyses have revealed a specific spectral signature for all groups and can be easily discriminated; at the computed optimum wavelength. Moreover, we have developed a simple setup based on a commercial laser pointer for sample illumination and a Smartphone CCD camera, with HSI consistent data output. We hypothesized that RNA differential expression and its spatial organization/folding are the key players in the obtained spectral signatures. To the best of our knowledge, we are the first to use HSI for sensing cancer based on total RNA in serum, using a Smartphone CCD camera/laser pointer. The proposed biosensor is simple, rapid (2 min), and affordable with specificity and sensitivity of more than 98% and high accuracy.
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Affiliation(s)
| | - Marwa Matboli
- Medical Biochemistry and Molecular Biology Department, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Sherif M. Shawky
- Center of Genomics, Helmy Medical Institute, Zewail City of Science and Technology, Ahmed Zewail Road, October Gardens, 6th of October City, 12578 Giza, Egypt
- Misr University for Science and Technology, Faculty of Pharmacy, Biochemistry Department, Al-Motamayez District. P.O.BOX: 77, 6thOctober City, Giza, Egypt
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21
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Bugter JM, Fenderico N, Maurice MM. Mutations and mechanisms of WNT pathway tumour suppressors in cancer. Nat Rev Cancer 2021; 21:5-21. [PMID: 33097916 DOI: 10.1038/s41568-020-00307-z] [Citation(s) in RCA: 237] [Impact Index Per Article: 79.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 09/15/2020] [Indexed: 12/21/2022]
Abstract
Mutation-induced activation of WNT-β-catenin signalling is a frequent driver event in human cancer. Sustained WNT-β-catenin pathway activation endows cancer cells with sustained self-renewing growth properties and is associated with therapy resistance. In healthy adult stem cells, WNT pathway activity is carefully controlled by core pathway tumour suppressors as well as negative feedback regulators. Gene inactivation experiments in mouse models unequivocally demonstrated the relevance of WNT tumour suppressor loss-of-function mutations for cancer growth. However, in human cancer, a far more complex picture has emerged in which missense or truncating mutations mediate stable expression of mutant proteins, with distinct functional and phenotypic ramifications. Herein, we review recent advances and challenges in our understanding of how different mutational subsets of WNT tumour suppressor genes link to distinct cancer types, clinical outcomes and treatment strategies.
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Affiliation(s)
- Jeroen M Bugter
- Oncode Institute and Department of Cell Biology, Center for Molecular Medicine, University Medical Center Utrecht, Utrecht, Netherlands
| | - Nicola Fenderico
- Oncode Institute and Department of Cell Biology, Center for Molecular Medicine, University Medical Center Utrecht, Utrecht, Netherlands
| | - Madelon M Maurice
- Oncode Institute and Department of Cell Biology, Center for Molecular Medicine, University Medical Center Utrecht, Utrecht, Netherlands.
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22
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Kim E, Viatour P. Hepatocellular carcinoma: old friends and new tricks. Exp Mol Med 2020; 52:1898-1907. [PMID: 33268834 PMCID: PMC8080814 DOI: 10.1038/s12276-020-00527-1] [Citation(s) in RCA: 149] [Impact Index Per Article: 37.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2020] [Revised: 09/28/2020] [Accepted: 10/13/2020] [Indexed: 02/07/2023] Open
Abstract
Hepatocellular carcinoma (HCC) is the most prevalent primary liver cancer and a leading cause of cancer-related deaths worldwide. Ninety percent of HCC cases arise from cirrhosis, during which liver cells undergo chronic cycles of necrosis and regeneration. The complex genomic landscape of HCC has been extensively investigated to draw correlations between recurrently mutated pathways and patient prognosis. However, our limited success with targeted therapy shows that knowing the presence of somatic mutations alone is insufficient for us to gauge the full spectrum of their functional consequences in the context of tumor evolution. In addition, the current molecular classification of HCC offers little information on the relationship between the molecular features and immunological properties of HCC tumors and their immune microenvironment. This review introduces current challenges and advancements made in HCC surveillance, diagnosis, and treatment. We also discuss the suite of HCC-associated genetic changes and describe recent studies that provide evidence for an evolving functional model and its implications for understanding and targeting HCC progression.
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Affiliation(s)
- Eunsun Kim
- Stanford Cancer Institute, Stanford University, Stanford, CA, USA.
| | - Patrick Viatour
- Children's Hospital of Philadelphia, Center for Childhood Cancer Research, Philadelphia, PA, USA
- Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
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23
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Yan J, Shu M, Li X, Yu H, Chen S, Xie S. Prognostic Score-based Clinical Factors and Metabolism-related Biomarkers for Predicting the Progression of Hepatocellular Carcinoma. Evol Bioinform Online 2020; 16:1176934320951571. [PMID: 33013158 PMCID: PMC7518001 DOI: 10.1177/1176934320951571] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Accepted: 07/24/2020] [Indexed: 11/24/2022] Open
Abstract
Hepatocellular carcinoma (HCC) is a common malignant tumor representing more than 90% of primary liver cancer. This study aimed to identify metabolism-related biomarkers with prognostic value by developing the novel prognostic score (PS) model. Transcriptomic profiles derived from TCGA and EBIArray databases were analyzed to identify differentially expressed genes (DEGs) in HCC tumor samples compared with normal samples. The overlapped genes between DEGs and metabolism-related genes (crucial genes) were screened and functionally analyzed. A novel PS model was constructed to identify optimal signature genes. Cox regression analysis was performed to identify independent clinical factors related to prognosis. Nomogram model was constructed to estimate the predictability of clinical factors. Finally, protein expression of crucial genes was explored in different cancer tissues and cell types from the Human Protein Atlas (HPA). We screened a total of 305 overlapped genes (differentially expressed metabolism-related genes). These genes were mainly involved in "oxidation reduction," "steroid hormone biosynthesis," "fatty acid metabolic process," and "linoleic acid metabolism." Furthermore, we screened ten optimal DEGs (CYP2C9, CYP3A4, and TKT, among others) by using the PS model. Two clinical factors of pathologic stage (P < .001, HR: 1.512 [1.219-1.875]) and PS status (P <.001, HR: 2.259 [1.522-3.354]) were independent prognostic predictors by cox regression analysis. Nomogram model showed a high predicted probability of overall survival time, and the AUC value was 0.837. The expression status of 7 proteins was frequently altered in normal or differential tumor tissues, such as liver cancer and stomach cancer samples.We have identified several metabolism-related biomarkers for prognosis prediction of HCC based on the PS model. Two clinical factors were independent prognostic predictors of pathologic stage and PS status (high/low risk). The prognosis prediction model described in this study is a useful and stable method for novel biomarker identification.
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Affiliation(s)
- Jia Yan
- Department of Hepatobiliary Pancreatic Surgery, Hwa Mei Hospital, University of Chinese Academy of Sciences, Ningbo, Zhejiang, China
- Ningbo Institute of Life and Health Industry, University of Chinese Academy of Sciences, Ningbo, Zhejiang, China
- Key Laboratory of Diagnosis and Treatment of Digestive System Tumors of Zhejiang Province, Ningbo, Zhejiang, China
| | - Ming Shu
- Department of Hepatobiliary Pancreatic Surgery, Hwa Mei Hospital, University of Chinese Academy of Sciences, Ningbo, Zhejiang, China
- Ningbo Institute of Life and Health Industry, University of Chinese Academy of Sciences, Ningbo, Zhejiang, China
- Key Laboratory of Diagnosis and Treatment of Digestive System Tumors of Zhejiang Province, Ningbo, Zhejiang, China
| | - Xiang Li
- Department of Hepatobiliary Pancreatic Surgery, Hwa Mei Hospital, University of Chinese Academy of Sciences, Ningbo, Zhejiang, China
- Ningbo Institute of Life and Health Industry, University of Chinese Academy of Sciences, Ningbo, Zhejiang, China
- Key Laboratory of Diagnosis and Treatment of Digestive System Tumors of Zhejiang Province, Ningbo, Zhejiang, China
| | - Hua Yu
- Department of Hepatobiliary Pancreatic Surgery, Hwa Mei Hospital, University of Chinese Academy of Sciences, Ningbo, Zhejiang, China
- Ningbo Institute of Life and Health Industry, University of Chinese Academy of Sciences, Ningbo, Zhejiang, China
- Key Laboratory of Diagnosis and Treatment of Digestive System Tumors of Zhejiang Province, Ningbo, Zhejiang, China
| | - Shuhuai Chen
- Department of Hepatobiliary Pancreatic Surgery, Hwa Mei Hospital, University of Chinese Academy of Sciences, Ningbo, Zhejiang, China
- Ningbo Institute of Life and Health Industry, University of Chinese Academy of Sciences, Ningbo, Zhejiang, China
- Key Laboratory of Diagnosis and Treatment of Digestive System Tumors of Zhejiang Province, Ningbo, Zhejiang, China
| | - Shujie Xie
- Department of Hepatobiliary Pancreatic Surgery, Hwa Mei Hospital, University of Chinese Academy of Sciences, Ningbo, Zhejiang, China
- Ningbo Institute of Life and Health Industry, University of Chinese Academy of Sciences, Ningbo, Zhejiang, China
- Key Laboratory of Diagnosis and Treatment of Digestive System Tumors of Zhejiang Province, Ningbo, Zhejiang, China
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24
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Lu D, Bai X, Zou Q, Gan Z, Lv Y. Identification of the association between HMMR expression and progression of hepatocellular carcinoma via construction of a co-expression network. Oncol Lett 2020; 20:2645-2654. [PMID: 32765791 PMCID: PMC7403633 DOI: 10.3892/ol.2020.11844] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2019] [Accepted: 01/04/2020] [Indexed: 02/06/2023] Open
Abstract
The aim of the present study was to identify key genes involved in the progression of hepatocellular carcinoma (HCC). According to the theory of the multistep process of hepatocarcinogenesis and weighted gene co-expression network analysis, hub genes associated with the progression of HCC were identified using the gene expression profiles of patients with normal to chronic hepatitis/cirrhosis and dysplastic nodules to HCC. An independent dataset was used to verify the association between hub gene and clinical phenotype. The diagnostic and prognostic value of hub genes regarding HCC were evaluated. Gene set enrichment analysis (GSEA) was performed to explore the function of hub genes. A co-expression gene module positively associated with HCC progression was identified. Combined with a protein-protein interaction (PPI) network, a total of 10 common hub genes common to both the module of interest and the PPI network were selected as hub genes. Hyaluronan mediated motility receptor (HMMR) was selected as the candidate gene and was significantly upregulated in HCC at the mRNA and protein expression levels. HMMR is a promising diagnostic biomarker for HCC, and is also associated with its progression. The expression of HMMR was positively correlated with HCC tumor grade, pathological stage, tumor stage and Ishak score. The expression of HMMR was an independent prognostic factor compared with clinicopathological features. Patients with high expression levels of HMMR exhibited a less favorable prognosis. GSEA identified 6 representative gene sets that were associated with cancer. Overall, HMMR may serve an important role in HCC and may have potential as a biomarker of HCC diagnosis and progression.
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Affiliation(s)
- Donglan Lu
- Department of Medical Oncology, The Second Affiliated Hospital of Guilin Medical University, Guilin, Guangxi Zhuang Autonomous Region 541199, P.R. China
| | - Xue Bai
- Department of Medical Oncology, The Second Affiliated Hospital of Guilin Medical University, Guilin, Guangxi Zhuang Autonomous Region 541199, P.R. China
| | - Qiyuan Zou
- Department of Medicine 1, Affiliated Langdong Hospital of Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region 530021, P.R. China
| | - Zuhuan Gan
- Department of Oncology, Affiliated Langdong Hospital of Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region 530021, P.R. China
| | - Yufeng Lv
- Department of Oncology, Affiliated Langdong Hospital of Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region 530021, P.R. China
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25
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Midorikawa Y, Yamamoto S, Tatsuno K, Renard-Guillet C, Tsuji S, Hayashi A, Ueda H, Fukuda S, Fujita T, Katoh H, Ishikawa S, Covington KR, Creighton CJ, Sugitani M, Wheeler DA, Shibata T, Nagae G, Takayama T, Aburatani H. Accumulation of Molecular Aberrations Distinctive to Hepatocellular Carcinoma Progression. Cancer Res 2020; 80:3810-3819. [DOI: 10.1158/0008-5472.can-20-0225] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2020] [Revised: 05/01/2020] [Accepted: 07/02/2020] [Indexed: 11/16/2022]
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26
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The landscape of gene mutations in cirrhosis and hepatocellular carcinoma. J Hepatol 2020; 72:990-1002. [PMID: 32044402 DOI: 10.1016/j.jhep.2020.01.019] [Citation(s) in RCA: 97] [Impact Index Per Article: 24.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/12/2019] [Revised: 01/16/2020] [Accepted: 01/21/2020] [Indexed: 12/13/2022]
Abstract
Chronic liver disease and primary liver cancer are a massive global problem, with a future increase in incidences predicted. The most prevalent form of primary liver cancer, hepatocellular carcinoma, occurs after years of chronic liver disease. Mutations in the genome are a causative and defining feature of all cancers. Chronic liver disease, mostly at the cirrhotic stage, causes the accumulation of progressive mutations which can drive cancer development. Within the liver, a Darwinian process selects out dominant clones with selected driver mutations but also leaves a trail of passenger mutations which can be used to track the evolution of a tumour. Understanding what causes specific mutations and how they combine with one another to form cancer is a question at the heart of understanding, preventing and tackling liver cancer. Herein, we review the landscape of gene mutations in cirrhosis, especially those paving the way toward hepatocellular carcinoma development, that have been characterised by recent studies capitalising on technological advances in genomic sequencing. With these insights, we are beginning to understand how cancers form in the liver, particularly on the background of chronic liver disease. This knowledge may soon lead to breakthroughs in the way we detect, diagnose and treat this devastating disease.
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27
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Ozcan M, Altay O, Lam S, Turkez H, Aksoy Y, Nielsen J, Uhlen M, Boren J, Mardinoglu A. Improvement in the Current Therapies for Hepatocellular Carcinoma Using a Systems Medicine Approach. ACTA ACUST UNITED AC 2020; 4:e2000030. [PMID: 32529800 DOI: 10.1002/adbi.202000030] [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: 01/24/2020] [Revised: 03/02/2020] [Accepted: 03/09/2020] [Indexed: 12/24/2022]
Abstract
Hepatocellular carcinoma (HCC) is one of the leading causes of cancer-related death primarily due to the lack of effective targeted therapies. Despite the distinct morphological and phenotypic patterns of HCC, treatment strategies are restricted to relatively homogeneous therapies, including multitargeted tyrosine kinase inhibitors and immune checkpoint inhibitors. Therefore, more effective therapy options are needed to target dysregulated metabolic and molecular pathways in HCC. Integrative genomic profiling of HCC patients provides insight into the most frequently mutated genes and molecular targets, including telomerase reverse transcriptase, the TP53 gene, and the Wnt/β-catenin signaling pathway oncogene (CTNNB1). Moreover, emerging techniques, such as genome-scale metabolic models may elucidate the underlying cancer-specific metabolism, which allows for the discovery of potential drug targets and identification of biomarkers. De novo lipogenesis has been revealed as consistently upregulated since it is required for cell proliferation in all HCC patients. The metabolic network-driven stratification of HCC patients in terms of redox responses, utilization of metabolites, and subtype-specific pathways may have clinical implications to drive the development of personalized medicine. In this review, the current and emerging therapeutic targets in light of molecular approaches and metabolic network-based strategies are summarized, prompting effective treatment of HCC patients.
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Affiliation(s)
- Mehmet Ozcan
- Science for Life Laboratory, KTH - Royal Institute of Technology, Stockholm, SE 17121, Sweden.,Department of Medical Biochemistry, Faculty of Medicine, Hacettepe University, Ankara, 06100, Turkey
| | - Ozlem Altay
- Science for Life Laboratory, KTH - Royal Institute of Technology, Stockholm, SE 17121, Sweden
| | - Simon Lam
- Centre for Host-Microbiome Interactions, Faculty of Dentistry, Oral & Craniofacial Sciences, King's College London, London, SE1 9RT, UK
| | - Hasan Turkez
- Department of Medical Biology, Faculty of Medicine, Atatürk University, Erzurum, 25240, Turkey
| | - Yasemin Aksoy
- Department of Medical Biochemistry, Faculty of Medicine, Hacettepe University, Ankara, 06100, Turkey
| | - Jens Nielsen
- Prof. J. Nielsen, Department of Biology and Biological Engineering, Chalmers University of Technology, Gothenburg, SE-41296, Sweden
| | - Mathias Uhlen
- Science for Life Laboratory, KTH - Royal Institute of Technology, Stockholm, SE 17121, Sweden
| | - Jan Boren
- Department of Molecular and Clinical Medicine, University of Gothenburg, The Wallenberg Laboratory, Sahlgrenska University Hospital, Gothenburg, SE-413 45, Sweden
| | - Adil Mardinoglu
- Science for Life Laboratory, KTH - Royal Institute of Technology, Stockholm, SE 17121, Sweden.,Centre for Host-Microbiome Interactions, Faculty of Dentistry, Oral & Craniofacial Sciences, King's College London, London, SE1 9RT, UK
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28
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Karri K, Waxman DJ. Widespread Dysregulation of Long Noncoding Genes Associated With Fatty Acid Metabolism, Cell Division, and Immune Response Gene Networks in Xenobiotic-exposed Rat Liver. Toxicol Sci 2020; 174:291-310. [PMID: 31926019 PMCID: PMC7098378 DOI: 10.1093/toxsci/kfaa001] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Xenobiotic exposure dysregulates hundreds of protein-coding genes in mammalian liver, impacting many physiological processes and inducing diverse toxicological responses. Little is known about xenobiotic effects on long noncoding RNAs (lncRNAs), many of which have important regulatory functions. Here, we present a computational framework to discover liver-expressed, xenobiotic-responsive lncRNAs (xeno-lncs) with strong functional, gene regulatory potential and elucidate the impact of xenobiotic exposure on their gene regulatory networks. We assembled the long noncoding transcriptome of xenobiotic-exposed rat liver using RNA-seq datasets from male rats treated with 27 individual chemicals, representing 7 mechanisms of action (MOAs). Ortholog analysis was combined with coexpression data and causal inference methods to infer lncRNA function and deduce gene regulatory networks, including causal effects of lncRNAs on protein-coding gene expression and biological pathways. We discovered > 1400 liver-expressed xeno-lncs, many with human and/or mouse orthologs. Xenobiotics representing different MOAs often regulated common xeno-lnc targets: 123 xeno-lncs were dysregulated by ≥ 10 chemicals, and 5 xeno-lncs responded to ≥ 20 of the 27 chemicals investigated; 81 other xeno-lncs served as MOA-selective markers of xenobiotic exposure. Xeno-lnc-protein-coding gene coexpression regulatory network analysis identified xeno-lncs closely associated with exposure-induced perturbations of hepatic fatty acid metabolism, cell division, or immune response pathways, and with apoptosis or cirrhosis. We also identified hub and bottleneck lncRNAs, which are expected to be key regulators of gene expression. This work elucidates extensive networks of xeno-lnc-protein-coding gene interactions and provides a framework for understanding the widespread transcriptome-altering actions of foreign chemicals in a key-responsive mammalian tissue.
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Affiliation(s)
- Kritika Karri
- Department of Biology and Bioinformatics Program, Boston University, Boston, Massachusetts
| | - David J Waxman
- Department of Biology and Bioinformatics Program, Boston University, Boston, Massachusetts
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29
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Rebouissou S, Nault JC. Advances in molecular classification and precision oncology in hepatocellular carcinoma. J Hepatol 2020; 72:215-229. [PMID: 31954487 DOI: 10.1016/j.jhep.2019.08.017] [Citation(s) in RCA: 305] [Impact Index Per Article: 76.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Revised: 07/16/2019] [Accepted: 08/06/2019] [Indexed: 02/08/2023]
Abstract
Hepatocellular carcinoma (HCC) arises from hepatocytes through the sequential accumulation of multiple genomic and epigenomic alterations resulting from Darwinian selection. Genes from various signalling pathways such as telomere maintenance, Wnt/β-catenin, P53/cell cycle regulation, oxidative stress, epigenetic modifiers, AKT/mTOR and MAP kinase are frequently mutated in HCC. Several subclasses of HCC have been identified based on transcriptomic dysregulation and genetic alterations that are closely related to risk factors, pathological features and prognosis. Undoubtedly, integration of data obtained from both preclinical models and human studies can help to accelerate the identification of robust predictive biomarkers of response to targeted biotherapy and immunotherapy. The aim of this review is to describe the main advances in HCC in terms of molecular biology and to discuss how this knowledge could be used in clinical practice in the future.
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Affiliation(s)
- Sandra Rebouissou
- Centre de Recherche des Cordeliers, Sorbonne Université, Inserm, USPC, Université Paris Descartes, Université Paris Diderot, Université Paris 13, Functional Genomics of Solid Tumors Laboratory, F-75006 Paris, France
| | - Jean-Charles Nault
- Centre de Recherche des Cordeliers, Sorbonne Université, Inserm, USPC, Université Paris Descartes, Université Paris Diderot, Université Paris 13, Functional Genomics of Solid Tumors Laboratory, F-75006 Paris, France; Liver Unit, Hôpital Jean Verdier, Hôpitaux Universitaires Paris-Seine-Saint-Denis, Assistance-Publique Hôpitaux de Paris, Bondy, France; Unité de Formation et de Recherche Santé Médecine et Biologie Humaine, Université Paris 13, Communauté d'Universités et Etablissements Sorbonne Paris Cité, Paris, France.
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30
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Chow EYC, Zhang J, Qin H, Chan TF. Characterization of Hepatocellular Carcinoma Cell Lines Using a Fractionation-Then-Sequencing Approach Reveals Nuclear-Enriched HCC-Associated lncRNAs. Front Genet 2019; 10:1081. [PMID: 31781161 PMCID: PMC6857473 DOI: 10.3389/fgene.2019.01081] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2019] [Accepted: 10/09/2019] [Indexed: 12/13/2022] Open
Abstract
Background: Advances in sequencing technologies have greatly improved our understanding of long noncoding RNA (lncRNA). These transcripts with lengths of >200 nucleotides may play significant regulatory roles in various biological processes. Importantly, the dysregulation of better characterized lncRNAs has been associated with multiple types of cancers, including hepatocellular carcinoma (HCC). There are many studies on altered lncRNA expression levels, very few, however, have focused on their subcellular localizations, from which accumulating evidences have indicated their close relationships to lncRNA functions. A transcriptome-wide investigation of the subcellular distributions of lncRNAs might thus provide new insights into their roles and functions in cancers. Results: In this study, we subjected eight patient-derived HCC cell lines to subcellular fractionation and independently sequenced RNAs from the nuclear and cytoplasmic compartments. With the integration of tumor and tumor-adjacent RNA-seq datasets of liver hepatocellular carcinoma (LIHC) from The Cancer Genome Atlas (TCGA), de novo transcriptome assembly and differential expression analysis were conducted successively and identified 26 nuclear-enriched HCC-associated lncRNAs shared between the HCC samples and the TCGA datasets, including the reported cancer driver PXN-AS1. The majority of nuclear-enriched HCC-associated lncRNAs were associated with the survival outcomes of HCC patients, exhibited characteristics similar to those of many experimentally supported HCC prognostic lncRNAs, and were co-expressed with protein-coding genes that have been linked to disease progression in various cancer types. Conclusion: We adopted a fractionation-then-sequencing approach on multiple patient-derived HCC samples and identified nuclear-enriched, HCC-associated lncRNAs that could serve as important targets for HCC diagnosis and therapeutic development. This approach could be widely applicable to other studies into the disease etiologies of lncRNA.
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Affiliation(s)
| | - Jizhou Zhang
- School of Life Sciences, The Chinese University of Hong Kong, Shatin, Hong Kong
| | - Hao Qin
- School of Life Sciences, The Chinese University of Hong Kong, Shatin, Hong Kong
| | - Ting-Fung Chan
- School of Life Sciences, The Chinese University of Hong Kong, Shatin, Hong Kong.,State Key Laboratory of Agrobiotechnology, The Chinese University of Hong Kong, Shatin, Hong Kong
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31
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Jee BA, Choi JH, Rhee H, Yoon S, Kwon SM, Nahm JH, Yoo JE, Jeon Y, Choi GH, Woo HG, Park YN. Dynamics of Genomic, Epigenomic, and Transcriptomic Aberrations during Stepwise Hepatocarcinogenesis. Cancer Res 2019; 79:5500-5512. [PMID: 31506333 DOI: 10.1158/0008-5472.can-19-0991] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2019] [Revised: 07/23/2019] [Accepted: 09/06/2019] [Indexed: 02/06/2023]
Abstract
Hepatocellular carcinoma (HCC) undergoes a stepwise progression from liver cirrhosis to low-grade dysplastic nodule (LGDN), high-grade dysplastic nodule (HGDN), early HCC (eHCC), and progressed HCC (pHCC). Here, we profiled multilayered genomic, epigenomic, and transcriptomic aberrations in the stepwise hepatocarcinogenesis. Initial DNA methylation was observed in eHCC (e.g., DKK3, SALL3, and SOX1) while more extensive methylation was observed in pHCC. In addition, eHCCs showed an initial loss of DNA copy numbers of tumor suppressor genes in the 4q and 13q regions, thereby conferring survival benefits to cancer cells. Transcriptome analysis revealed that HGDNs expressed endoplasmic reticulum (ER) stress-related genes, while eHCC started to express oncogenes. Furthermore, integrative analysis indicated that expression of the serine peptidase inhibitor, Kazal type 1 (SPINK1), played a pivotal role in eHCC development. Significant demethylation of SPINK1 was observed in eHCC compared to HGDN. The study also demonstrated that ER stress may induce SPINK1 demethylation and expression in liver cancer cells. In conclusion, these results reveal the dynamics of multiomic aberrations during malignant conversion of liver cancer, thus providing novel pathobiological insights into hepatocarcinogenesis. SIGNIFICANCE: Multiomics profiling and integrative analyses of stepwise hepatocarcinogenesis reveal novel mechanistic and clinical insights into hepatocarcinogenesis.
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Affiliation(s)
- Byul A Jee
- Department of Physiology, Ajou University School of Medicine, Suwon, Republic of Korea.,Department of Biomedical Science, Graduate School, Ajou University, Suwon, Republic of Korea
| | - Ji-Hye Choi
- Department of Physiology, Ajou University School of Medicine, Suwon, Republic of Korea.,Department of Biomedical Science, Graduate School, Ajou University, Suwon, Republic of Korea
| | - Hyungjin Rhee
- Department of Radiology, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Sarah Yoon
- Department of Physiology, Ajou University School of Medicine, Suwon, Republic of Korea.,Department of Biomedical Science, Graduate School, Ajou University, Suwon, Republic of Korea
| | - So Mee Kwon
- Department of Biochemistry, Ajou University School of Medicine, Suwon, Republic of Korea
| | - Ji Hae Nahm
- Department of Pathology, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Jeong Eun Yoo
- Department of Pathology, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Youngsic Jeon
- Department of Pathology, Yonsei University College of Medicine, Seoul, Republic of Korea. .,BK21 PLUS Project for Medical Science, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Gi Hong Choi
- Department of Surgery, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Hyun Goo Woo
- Department of Physiology, Ajou University School of Medicine, Suwon, Republic of Korea. .,Department of Biomedical Science, Graduate School, Ajou University, Suwon, Republic of Korea
| | - Young Nyun Park
- Department of Pathology, Yonsei University College of Medicine, Seoul, Republic of Korea.,BK21 PLUS Project for Medical Science, Yonsei University College of Medicine, Seoul, Republic of Korea
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32
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Jak-Stat Signaling Induced by Interleukin-6 Family Cytokines in Hepatocellular Carcinoma. Cancers (Basel) 2019; 11:cancers11111704. [PMID: 31683891 PMCID: PMC6896168 DOI: 10.3390/cancers11111704] [Citation(s) in RCA: 73] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2019] [Revised: 10/29/2019] [Accepted: 10/30/2019] [Indexed: 02/06/2023] Open
Abstract
Hepatocellular carcinoma (HCC) is one of the most common malignant tumors worldwide. It can be caused by chronic liver cell injury with resulting sustained inflammation, e.g., triggered by infections with hepatitis viruses B (HBV) and C (HCV). Death of hepatocytes leads to the activation of compensatory mechanisms, which can ultimately result in liver fibrosis and cirrhosis. Another common feature is the infiltration of the liver with inflammatory cells, which secrete cytokines and chemokines that act directly on the hepatocytes. Among several secreted proteins, members of the interleukin-6 (IL-6) family of cytokines have emerged as important regulatory proteins that might constitute an attractive target for therapeutic intervention. The IL-6-type cytokines activate multiple intracellular signaling pathways, and especially the Jak/STAT cascade has been shown to be crucial for HCC development. In this review, we give an overview about HCC pathogenesis with respect to IL-6-type cytokines and the Jak/STAT pathway. We highlight the role of mutations in genes encoding several proteins involved in the cytokine/Jak/STAT axis and summarize current knowledge about IL-6 family cytokines in this context. We further discuss possible anti-cytokine therapies for HCC patients in comparison to already established therapies.
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33
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Mo J, Li B, Zhou Y, Xu Y, Jiang H, Cheng X, Wu X, Zhang Y. LINC00473 promotes hepatocellular carcinoma progression via acting as a ceRNA for microRNA-195 and increasing HMGA2 expression. Biomed Pharmacother 2019; 120:109403. [PMID: 31562977 DOI: 10.1016/j.biopha.2019.109403] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2019] [Revised: 08/25/2019] [Accepted: 08/28/2019] [Indexed: 12/13/2022] Open
Abstract
Hepatocellular carcinoma (HCC) is a most aggressive malignant tumor. Nevertheless, the molecular mechanisms underlying HCC are still completely unclear. LINC00473 is identified as a tumor promoter in many cancers. In this investigation, the function of LINC00473 was specifically focused on. We exhibited that LINC00473 was obviously elevated in HCC cells compared to QSG-7701 cells. Functionally, down-regulation of LINC00473 could prevent HCC cell viability and cell proliferation. For another, HCC cell colony formation capacity was greatly restrained while cell apoptosis was triggered by loss of LINC00473. Meanwhile, would-healing assay and transwell invasion experiments were employed in our present study. As demonstrated, we observed that HCC cell migratory and invasive ability were obviously suppressed by the silence of LINC00473. Apart from these, mechanistic investigations implied miR-195 was a sponge target of LINC00473. It is widely established miR-195 is a famous tumor inhibitory gene regulator in various cancers. Here, we confirmed the binding correlation between LINC00473 and miR-195 using RIP assay. Subsequently, in vivo experiments were employed and it was manifested that LINC00473 was able to promote HCC tumor growth via acting as a ceRNA to inhibit miR-195. HMGA2 is a kind of nuclear-binding protein and it is involved in various cancers. We predicted it as a target of miR-195 and we confirmed their correlation. In addition, HMGA2 was repressed by loss of LINC00473, which was rescued by miR-195 inhibitors. Then, we found that angiogenic fator vascular endothelial growth factor (VEGF) was inhibited by loss of LINC00473 whereas anti-angiogenic factor EPN2 was induced in vivo. Taken all these together, our study revealed the significance of LINC00473/miR-195/HMGA2 signaling axis for the first time in HCC progression. It was suggested the potential possibility of LINC00473 as an indicator for HCC.
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Affiliation(s)
- Jinggang Mo
- Department of Hepatobiliary Surgery, Taizhou Central Hospital Affiliated to Taizhou College, Taizhou, 318000, China
| | - Bo Li
- Department of Ultrasound, Taizhou Municipal Hospital, Medical College of Taizhou University, Taizhou, 318000, China
| | - Yong Zhou
- Department of Clinical Laboratory, Taizhou Central Hospital Affiliated to Taizhou college, Taizhou, 318000, China
| | - Youwen Xu
- Department of Clinical Laboratory, Taizhou Central Hospital Affiliated to Taizhou college, Taizhou, 318000, China
| | - Hao Jiang
- Department of Hepatobiliary Surgery, Taizhou Central Hospital Affiliated to Taizhou College, Taizhou, 318000, China
| | - Xingjing Cheng
- Department of Clinical Laboratory, Taizhou Central Hospital Affiliated to Taizhou college, Taizhou, 318000, China
| | - Xiaoyu Wu
- Department of Clinical Laboratory, Taizhou Central Hospital Affiliated to Taizhou college, Taizhou, 318000, China.
| | - Yaqiong Zhang
- Department of Clinical Laboratory, Taizhou Central Hospital Affiliated to Taizhou college, Taizhou, 318000, China.
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Promotion of growth factor signaling as a critical function of β-catenin during HCC progression. Nat Commun 2019; 10:1909. [PMID: 31015417 PMCID: PMC6478918 DOI: 10.1038/s41467-019-09780-z] [Citation(s) in RCA: 71] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2018] [Accepted: 03/29/2019] [Indexed: 02/06/2023] Open
Abstract
Hepatocellular carcinoma (HCC) is the second leading cause of cancer-related deaths worldwide. β-catenin is widely thought to be a major oncogene in HCC based on the frequency of mutations associated with aberrant Wnt signaling in HCC patients. Challenging this model, our data reveal that β-catenin nuclear accumulation is restricted to the late stage of the disease. Until then, β-catenin is primarily located at the plasma membrane in complex with multiple cadherin family members where it drives tumor cell survival by enhancing the signaling of growth factor receptors such as EGFR. Therefore, our study reveals the evolving nature of β-catenin in HCC to establish it as a compound tumor promoter during the progression of the disease. Aberrant Wnt/b-catenin signaling is thought to be a major driver of hepatocellular carcinoma. Here, the authors show that β-Catenin is predominantly integrated within the AJ complex during the early stages of this cancer and enhance EGFR signaling to promote tumour survival.
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Kuang M, Tao X, Peng Y, Zhang W, Pan Y, Cheng L, Yuan C, Zhao Y, Mao H, Zhuge L, Zhou Z, Chen H, Sun Y. Proteomic analysis of plasma exosomes to differentiate malignant from benign pulmonary nodules. Clin Proteomics 2019; 16:5. [PMID: 30733650 PMCID: PMC6359787 DOI: 10.1186/s12014-019-9225-5] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2018] [Accepted: 01/27/2019] [Indexed: 12/11/2022] Open
Abstract
Background It is difficult to distinguish benign pulmonary nodules (PNs) from malignant PNs by conventional examination. Therefore, novel biomarkers that can identify the nature of PNs are needed. Exosomes have recently been identified as an attractive alternative approach since tumor-specific molecules can be found in exosomes isolated from biological fluids. Methods Plasma exosomes were extracted via the exoEasy reagent method. The major proteins from plasma exosomes in patients with PNs were identified via labelfree analysis and screened for differentially expressed proteins. A GO classification analysis and KEGG pathway analysis were performed on plasma exosomal protein from patients with benign and malignant PNs. Results Western blot confirmed that protein expression of CD63 and CD9 could be detected in the exosome extract. Via a search of the human Uniprot database, 736 plasma exosome proteins from patients with PNs were detected using high-confidence peptides. There were 33 differentially expressed proteins in the benign and malignant PNs. Of these, 12 proteins were only expressed in the benign PNs group, while 9 proteins were only expressed in the malignant PNs group. We further obtained important information on signaling pathways and nodal proteins related to differential benign and malignant PNs via bioinformatic analysis methods such as GO, KEGG, and String. Conclusions This study provides a new perspective on the identification of novel detection strategies for benign and malignant PNs. We hope our findings can provide clues for the identification of benign and malignant PNs. Electronic supplementary material The online version of this article (10.1186/s12014-019-9225-5) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Muyu Kuang
- 1Department of Thoracic Surgery, Fudan University Shanghai Cancer Center, Shanghai, China.,2Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China.,3Huadong Hospital, Fudan University, Shanghai, China
| | - Xiaoting Tao
- 1Department of Thoracic Surgery, Fudan University Shanghai Cancer Center, Shanghai, China.,2Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Yizhou Peng
- 1Department of Thoracic Surgery, Fudan University Shanghai Cancer Center, Shanghai, China.,2Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Wenjing Zhang
- 4Shanghai Institute of Biochemistry and Cell Biology, Shanghai, China
| | - Yafang Pan
- 4Shanghai Institute of Biochemistry and Cell Biology, Shanghai, China
| | - Lei Cheng
- 5Cancer Institute, Collaborative Innovation Center for Cancer Medicine, Fudan University Shanghai Cancer Center, Shanghai, China
| | - Chongze Yuan
- 1Department of Thoracic Surgery, Fudan University Shanghai Cancer Center, Shanghai, China.,2Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Yue Zhao
- 1Department of Thoracic Surgery, Fudan University Shanghai Cancer Center, Shanghai, China.,2Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Hengyu Mao
- 1Department of Thoracic Surgery, Fudan University Shanghai Cancer Center, Shanghai, China.,2Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Lingdun Zhuge
- 1Department of Thoracic Surgery, Fudan University Shanghai Cancer Center, Shanghai, China.,2Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Zhenhua Zhou
- 6Department of Orthopaedic Oncology, Changzheng Hospital, Naval Military Medical University (The Second Military Medical University), Shanghai, China
| | - Haiquan Chen
- 1Department of Thoracic Surgery, Fudan University Shanghai Cancer Center, Shanghai, China.,2Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Yihua Sun
- 1Department of Thoracic Surgery, Fudan University Shanghai Cancer Center, Shanghai, China.,2Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China.,7Present Address: Department of Thoracic Surgery, Fudan University Shanghai Cancer Center, No. 270, Dongan Road, Shanghai, 200030 China
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36
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Translation control of the immune checkpoint in cancer and its therapeutic targeting. Nat Med 2019; 25:301-311. [PMID: 30643286 DOI: 10.1038/s41591-018-0321-2] [Citation(s) in RCA: 175] [Impact Index Per Article: 35.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2017] [Accepted: 11/09/2018] [Indexed: 12/28/2022]
Abstract
Cancer cells develop mechanisms to escape immunosurveillance, among which modulating the expression of immune suppressive messenger RNAs is most well-documented. However, how this is molecularly achieved remains largely unresolved. Here, we develop an in vivo mouse model of liver cancer to study oncogene cooperation in immunosurveillance. We show that MYC overexpression (MYCTg) synergizes with KRASG12D to induce an aggressive liver tumor leading to metastasis formation and reduced mouse survival compared with KRASG12D alone. Genome-wide ribosomal footprinting of MYCTg;KRASG12 tumors compared with KRASG12D revealed potential alterations in translation of mRNAs, including programmed-death-ligand 1 (PD-L1). Further analysis revealed that PD-L1 translation is repressed in KRASG12D tumors by functional, non-canonical upstream open reading frames in its 5' untranslated region, which is bypassed in MYCTg;KRASG12D tumors to evade immune attack. We show that this mechanism of PD-L1 translational upregulation was effectively targeted by a potent, clinical compound that inhibits eIF4E phosphorylation, eFT508, which reverses the aggressive and metastatic characteristics of MYCTg;KRASG12D tumors. Together, these studies reveal how immune-checkpoint proteins are manipulated by distinct oncogenes at the level of mRNA translation, which can be exploited for new immunotherapies.
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Small nucleolar RNA host gene 1: A new biomarker and therapeutic target for cancers. Pathol Res Pract 2018; 214:1247-1252. [PMID: 30107989 DOI: 10.1016/j.prp.2018.07.033] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/04/2018] [Revised: 07/28/2018] [Accepted: 07/28/2018] [Indexed: 01/05/2023]
Abstract
OBJECTIVES Long non-coding RNAs (lncRNAs), a group of transcripts with length greater than 200 nucleotides, have been involved in multiple pathophysiological processes of the human body, especially in tumorigenesis and progression of cancers. The aberrant expression of lncRNAs processes crucial functions involved in proliferation, apoptosis and metastatic capacity of cancers. Recent studies have revealed that small nucleolar RNA host gene 1 (SNHG1), a long non-coding RNA transcribed from UHG, was located in chromosome 11. Aberrant expression of SNHG1 has been demonstrated to be associated with various sites of cancers such as glioma, esophageal cancer, gastric cancer and many others, and its deregulation could be related to survival and prognosis of cancer patients. Pertinent to clinical practice, SNHG1 might act as a prognostic biomarker for tumors and might even serve as potential target for therapy. In this review, we summarized current researches concerning the role of SNHG1 in tumor progression and discussed its mechanisms involved. MATERIALS AND METHODS In this review, we summarized and figured out recent studies concerning the expression and biological mechanisms of SNHG1in tumor development. The related studies were obtained through a systematic search of PubMed, Embase and Cochrane Library. RESULTS SNHG1 was a valuable cancer-related lncRNA that the expression level was up-regulation in a variety of malignancies, including glioma, esophageal cancer, lung cancer, gastric cancer, hepatocellular carcinoma, colorectal carcinoma, prostate cancer, cervical cancer, osteosarcoma, neuroblastoma, nasopharyngeal carcinoma. The aberrant expressions of SNHG1 have shown to contribute to proliferation, migration, and invasion of cancer cells. CONCLUSIONS SNHG1 represents promising novel biomarkers for various cancer types and have a great potential to be effectively used in clinical practice in the near future.
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38
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The role of molecular enrichment on future therapies in hepatocellular carcinoma. J Hepatol 2018; 69:237-247. [PMID: 29505843 DOI: 10.1016/j.jhep.2018.02.016] [Citation(s) in RCA: 86] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/13/2017] [Revised: 02/15/2018] [Accepted: 02/24/2018] [Indexed: 12/20/2022]
Abstract
Hepatocellular carcinomas (HCCs) are characterised by considerable phenotypic and molecular heterogeneity. Treating HCC and designing clinical trials are particularly challenging because co-existing liver disease, present in most patients, limits aggressive therapeutic options. Positive results in recent phase III clinical trials have confirmed the high value of anti-angiogenic therapies for HCC in both first (sorafenib and lenvatinib) and second line (regorafenib and cabozantinib) treatment modalities. However, failure of several large randomised controlled clinical trials over the last 10 years underlines the necessity for innovative treatment strategies and implementation of translational findings to overcome the unmet clinical need. Furthermore, the promising results from novel immunotherapies are likely to complement the landscape of active compounds for HCC and will require a completely different approach to patients, as well as the development of prognostic/predictive biomarkers. Given our increasing understanding of the most abundant molecular alterations in HCC, effective enrichment of patients based on clinical and molecular biomarkers, as well as adaptive clinical trials, are now feasible and should be implemented. Herein, we aim to review important aspects of precision medicine approaches in HCC that might contribute to improving the molecular subclassification of patients in a clinical trial setting and pave the way for novel therapeutic strategies.
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Veiga SR, Ge X, Mercer CA, Hernández-Álvarez MI, Thomas HE, Hernandez-Losa J, Ramón Y Cajal S, Zorzano A, Thomas G, Kozma SC. Phenformin-Induced Mitochondrial Dysfunction Sensitizes Hepatocellular Carcinoma for Dual Inhibition of mTOR. Clin Cancer Res 2018; 24:3767-3780. [PMID: 29691292 DOI: 10.1158/1078-0432.ccr-18-0177] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2018] [Revised: 04/05/2018] [Accepted: 04/19/2018] [Indexed: 11/16/2022]
Abstract
Purpose: Hepatocellular carcinoma (HCC) ranks second in cancer mortality and has limited therapeutic options. We recently described the synergistic effect of allosteric and ATP-site competitive inhibitors against the mTOR for the treatment of HCC. However, such inhibitors induce hyperglycemia and increase mitochondrial efficiency. Here we determined whether the mitochondrial complex I inhibitor phenformin could reverse both side effects, impose an energetic stress on cancer cells, and suppress the growth of HCC.Experimental Design: Human HCC cell lines were used in vitro to access the signaling and energetic impact of mTOR inhibitors and phenformin, either alone or in combination. Next, the therapeutic utility of these drugs alone or in combination was investigated preclinically in human orthotopic tumors implanted in mice, by analyzing their impact on the tumor burden and overall survival.Results: We found phenformin caused mitochondrial dysfunction and fragmentation, inducing a compensatory shift to glycolysis. In contrast, dual inhibition of mTOR impaired cell growth and glycolysis, while increasing mitochondrial fusion and efficiency. In a mouse model of human HCC, dual inhibition of mTOR, together with phenformin, was highly efficacious in controlling tumor burden. However, more strikingly, pretreatment with phenformin sensitized tumors to dual inhibition of mTOR, leading to a dramatic improvement in survival.Conclusions: Treatment of HCC cells in vitro with the biguanide phenformin causes a metabolic shift to glycolysis, mitochondrial dysfunction and fragmentation, and dramatically sensitizes orthotopic liver tumors to dual inhibition of mTOR. We therefore propose this therapeutic approach should be tested clinically in HCC. Clin Cancer Res; 24(15); 3767-80. ©2018 AACR.
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Affiliation(s)
- Sónia R Veiga
- Laboratory of Cancer Metabolism, Oncobell Program, Bellvitge Biomedical Research Institute (IDIBELL), Barcelona, Spain
| | - Xuemei Ge
- Laboratory of Cancer Metabolism, Oncobell Program, Bellvitge Biomedical Research Institute (IDIBELL), Barcelona, Spain
| | - Carol A Mercer
- Division of Hematology/Oncology, Department of Internal Medicine, University of Cincinnati, Cincinnati, Ohio
| | - María I Hernández-Álvarez
- Complex Metabolic Diseases and Mitochondria Group, Institute for Research in Biomedicine (IRB), Barcelona, Spain
| | - Hala Elnakat Thomas
- Division of Hematology/Oncology, Department of Internal Medicine, University of Cincinnati, Cincinnati, Ohio
| | - Javier Hernandez-Losa
- Department of Anatomy/Pathology, Vall d'Hebron University Hospital, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Santiago Ramón Y Cajal
- Department of Anatomy/Pathology, Vall d'Hebron University Hospital, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Antonio Zorzano
- Complex Metabolic Diseases and Mitochondria Group, Institute for Research in Biomedicine (IRB), Barcelona, Spain.,Department of Biochemistry and Molecular Biomedicine, Faculty of Biology, University of Barcelona, Barcelona, Spain.,Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), Instituto de Salud Carlos III (ISCIII), Madrid, Spain
| | - George Thomas
- Laboratory of Cancer Metabolism, Oncobell Program, Bellvitge Biomedical Research Institute (IDIBELL), Barcelona, Spain.,Division of Hematology/Oncology, Department of Internal Medicine, University of Cincinnati, Cincinnati, Ohio.,Physiological Sciences Department, Faculty of Medicine and Health Science, University of Barcelona, Barcelona, Spain
| | - Sara C Kozma
- Laboratory of Cancer Metabolism, Oncobell Program, Bellvitge Biomedical Research Institute (IDIBELL), Barcelona, Spain. .,Division of Hematology/Oncology, Department of Internal Medicine, University of Cincinnati, Cincinnati, Ohio
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Castven D, Fischer M, Becker D, Heinrich S, Andersen JB, Strand D, Sprinzl MF, Strand S, Czauderna C, Heilmann-Heimbach S, Roessler S, Weinmann A, Wörns MA, Thorgeirsson SS, Galle PR, Matter MS, Lang H, Marquardt JU. Adverse genomic alterations and stemness features are induced by field cancerization in the microenvironment of hepatocellular carcinomas. Oncotarget 2018; 8:48688-48700. [PMID: 28415775 PMCID: PMC5564717 DOI: 10.18632/oncotarget.16231] [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: 02/22/2017] [Accepted: 03/03/2017] [Indexed: 12/13/2022] Open
Abstract
Hepatocellular Carcinoma (HCC) commonly develops in chronically damaged liver tissues. The resulting regenerative and inflammatory processes create an adverse milieu that promotes tumor-initiation and progression. A better understanding of the hepatic tumor-microenvironment interaction might infer profound therapeutic implications. Integrative whole genome and transcriptome analyses of different tumor regions, the invasive tumor border and tumor-surrounding liver (SL) were performed to identify associated molecular alterations and integrated with our existing HCC database. Expression levels and localization of established CSC markers were assessed in pre-neoplastic lesions and confirmed in two independent patient cohorts using qRT-PCR, immunohistochemistry and immunofluorescence. Our results indicate that genomic and transcriptomic profiles between SL and different tumor regions are quite distinct. Progressive increase in genetic alterations and activation of pathways related to proliferation as well as apoptosis were observed in the tumor tissue, while activation of stemness markers was present in cirrhotic SL and continuously decreased from pre-neoplastic lesions to HCC. Interestingly, the invasive tumor border was characterized by inflammatory and EMT-related gene sets as well as activation of pro-survival signaling. Consistently, integration of gene expression signatures with two independent HCC databases containing 300 HCCs revealed that border signatures are predictive of HCC patient survival. Prognostic significance of the permissive liver microenvironment might be a consequence of a pro-oncogenic field effect that is caused by chronic regenerative processes. Activation of key oncogenic features and immune-response signaling indicates that the cross-talk between tumor and microenvironment might be a promising therapeutic and/or preventive target.
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Affiliation(s)
- Darko Castven
- Department of Medicine, Johannes Gutenberg University, Mainz, Germany
| | - Michael Fischer
- Department of Medicine, Johannes Gutenberg University, Mainz, Germany
| | - Diana Becker
- Department of Medicine, Johannes Gutenberg University, Mainz, Germany
| | - Stefan Heinrich
- Department of Surgery, Johannes Gutenberg University, Mainz, Germany
| | - Jesper B Andersen
- Department of Health and Medical Science, Biotech Research and Innovation Centre, University of Copenhagen, Copenhagen, Denmark
| | - Dennis Strand
- Department of Medicine, Johannes Gutenberg University, Mainz, Germany
| | - Martin F Sprinzl
- Department of Medicine, Johannes Gutenberg University, Mainz, Germany
| | - Susanne Strand
- Department of Medicine, Johannes Gutenberg University, Mainz, Germany
| | - Carolin Czauderna
- Department of Medicine, Johannes Gutenberg University, Mainz, Germany
| | - Stefanie Heilmann-Heimbach
- Department of Genomics, Institute of Human Genetics, Life & Brain Center, University of Bonn, Bonn, Germany
| | - Stephanie Roessler
- Institute of Pathology, University Hospital Heidelberg, Heidelberg, Germany
| | - Arndt Weinmann
- Department of Medicine, Johannes Gutenberg University, Mainz, Germany
| | - Marcus A Wörns
- Department of Medicine, Johannes Gutenberg University, Mainz, Germany
| | - Snorri S Thorgeirsson
- Laboratory of Experimental Carcinogenesis, Center for Cancer Research, National Cancer Institute, NIH, Bethesda, MD, USA
| | - Peter R Galle
- Department of Medicine, Johannes Gutenberg University, Mainz, Germany
| | | | - Hauke Lang
- Department of Surgery, Johannes Gutenberg University, Mainz, Germany
| | - Jens U Marquardt
- Department of Medicine, Johannes Gutenberg University, Mainz, Germany
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Shen Y, Bu L, Li R, Chen Z, Tian F, Lu N, Ge Q, Bai Y, Lu Z. Screening effective differential expression genes for hepatic carcinoma with metastasis in the peripheral blood mononuclear cells by RNA-seq. Oncotarget 2018; 8:27976-27989. [PMID: 28427195 PMCID: PMC5438623 DOI: 10.18632/oncotarget.15855] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2016] [Accepted: 02/20/2017] [Indexed: 12/12/2022] Open
Abstract
Tumor metastasis is a multistep process involving a number of genetic alterations so that the genetic diagnosis is got increasingly attentions today. The aim of this study was to use RNA-seq to screen the effective differential expression genes in the peripheral blood mononuclear cells for the hepatic carcinoma with metastasis. The results showed that hepatic carcinoma samples gathered according to different metastasis. CCL3, CCL3L1, JUN, IL8, and IL1B were identified in inflammation mediated by chemokine and cytokine signaling pathway (P00031) in the hepatic carcinoma samples with metastasis, and subsequently confirmed by quantitative real-time polymerase chain reaction. In conclusions, CCL3, CCL3L1, JUN, IL8, and IL1B have the potential to be considered as candidates for future molecular diagnosis of the hepatic carcinoma with metastasis. This work may provide us with new visions into the metastasis process and potential efficient clinical diagnosis in the future.
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Affiliation(s)
- Yanting Shen
- Research Center for Learning Science, Southeast University, Nanjing, Jiangsu Province 210096, PR China.,State Key Laboratory of Bioelectronics, Southeast University, Nanjing, Jiangsu Province 210096, PR China
| | - Lu Bu
- Department of Interventional Radiology, Zhongda Hospital, Medical School of Southeast University, Nanjing, Jiangsu Province, 210009, PR China
| | - Rui Li
- Research Center for Learning Science, Southeast University, Nanjing, Jiangsu Province 210096, PR China
| | - Zhenzhu Chen
- Research Center for Learning Science, Southeast University, Nanjing, Jiangsu Province 210096, PR China
| | - Fei Tian
- Research Center for Learning Science, Southeast University, Nanjing, Jiangsu Province 210096, PR China
| | - Na Lu
- State Key Laboratory of Bioelectronics, Southeast University, Nanjing, Jiangsu Province 210096, PR China
| | - Qinyu Ge
- State Key Laboratory of Bioelectronics, Southeast University, Nanjing, Jiangsu Province 210096, PR China
| | - Yunfei Bai
- State Key Laboratory of Bioelectronics, Southeast University, Nanjing, Jiangsu Province 210096, PR China
| | - Zuhong Lu
- Research Center for Learning Science, Southeast University, Nanjing, Jiangsu Province 210096, PR China.,State Key Laboratory of Bioelectronics, Southeast University, Nanjing, Jiangsu Province 210096, PR China
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Lin KT, Ma WK, Scharner J, Liu YR, Krainer AR. A human-specific switch of alternatively spliced AFMID isoforms contributes to TP53 mutations and tumor recurrence in hepatocellular carcinoma. Genome Res 2018; 28:275-284. [PMID: 29449409 PMCID: PMC5848607 DOI: 10.1101/gr.227181.117] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2017] [Accepted: 01/24/2018] [Indexed: 01/05/2023]
Abstract
Pre-mRNA splicing can contribute to the switch of cell identity that occurs in carcinogenesis. Here, we analyze a large collection of RNA-seq data sets and report that splicing changes in hepatocyte-specific enzymes, such as AFMID and KHK, are associated with HCC patients' survival and relapse. The switch of AFMID isoforms is an early event in HCC development and is associated with driver mutations in TP53 and ARID1A The switch of AFMID isoforms is human-specific and not detectable in other species, including primates. Finally, we show that overexpression of the full-length AFMID isoform leads to a higher NAD+ level, lower DNA-damage response, and slower cell growth in HepG2 cells. The integrative analysis uncovered a mechanistic link between splicing switches, de novo NAD+ biosynthesis, driver mutations, and HCC recurrence.
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Affiliation(s)
- Kuan-Ting Lin
- Cold Spring Harbor Laboratory, Cold Spring Harbor, New York 11724, USA
| | - Wai Kit Ma
- Cold Spring Harbor Laboratory, Cold Spring Harbor, New York 11724, USA
| | - Juergen Scharner
- Cold Spring Harbor Laboratory, Cold Spring Harbor, New York 11724, USA
| | - Yun-Ru Liu
- Joint Biobank, Office of Human Research, Taipei Medical University, Taipei, Taiwan 11031
| | - Adrian R Krainer
- Cold Spring Harbor Laboratory, Cold Spring Harbor, New York 11724, USA
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Duan M, Hao J, Cui S, Worthley DL, Zhang S, Wang Z, Shi J, Liu L, Wang X, Ke A, Cao Y, Xi R, Zhang X, Zhou J, Fan J, Li C, Gao Q. Diverse modes of clonal evolution in HBV-related hepatocellular carcinoma revealed by single-cell genome sequencing. Cell Res 2018; 28:359-373. [PMID: 29327728 DOI: 10.1038/cr.2018.11] [Citation(s) in RCA: 81] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2017] [Revised: 07/13/2017] [Accepted: 12/12/2017] [Indexed: 02/07/2023] Open
Abstract
Hepatocellular carcinoma (HCC) is a cancer of substantial morphologic, genetic and phenotypic diversity. Yet we do not understand the relationship between intratumor heterogeneity and the associated morphologic/histological characteristics of the tumor. Using single-cell whole-genome sequencing to profile 96 tumor cells (30-36 each) and 15 normal liver cells (5 each), collected from three male patients with HBV-associated HCC, we confirmed that copy number variations occur early in hepatocarcinogenesis but thereafter remain relatively stable throughout tumor progression. Importantly, we showed that specific HCCs can be of monoclonal or polyclonal origins. Tumors with confluent multinodular morphology are the typical polyclonal tumors and display the highest intratumor heterogeneity. In addition to mutational and copy number profiles, we dissected the clonal origins of HCC using HBV-derived foreign genomic markers. In monoclonal HCC, all the tumor single cells exhibit the same HBV integrations, indicating that HBV integration is an early driver event and remains extremely stable during tumor progression. In addition, our results indicated that both models of metastasis, late dissemination and early seeding, have a role in HCC progression. Notably, early intrahepatic spreading of the initiating clone leads to the formation of synchronous multifocal tumors. Meanwhile, we identified a potential driver gene ZNF717 in HCC, which exhibits a high frequency of mutation at both single-cell and population levels, as a tumor suppressor acting through regulating the IL-6/STAT3 pathway. These findings highlight multiple distinct tumor evolutionary mechanisms in HCC, which suggests the need for specific treatment strategies.
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Affiliation(s)
- Meng Duan
- Department of Liver Surgery and Transplantation, Liver Cancer Institute, Zhongshan Hospital, and Key Laboratory of Carcinogenesis and Cancer Invasion (Ministry of Education), Fudan University, Shanghai 200032, China
| | - Junfeng Hao
- Core Facility for Protein Research, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China
| | - Sijia Cui
- Hangzhou Cancer Institute, Hangzhou Cancer Hospital, Hangzhou, Zhejiang 310002, China
| | - Daniel L Worthley
- Cancer Theme, South Australian Health and Medical Research Institute and Department of Medicine, University of Adelaide, Adelaide, SA, Australia
| | - Shu Zhang
- Department of Liver Surgery and Transplantation, Liver Cancer Institute, Zhongshan Hospital, and Key Laboratory of Carcinogenesis and Cancer Invasion (Ministry of Education), Fudan University, Shanghai 200032, China
| | - Zhichao Wang
- Department of Liver Surgery and Transplantation, Liver Cancer Institute, Zhongshan Hospital, and Key Laboratory of Carcinogenesis and Cancer Invasion (Ministry of Education), Fudan University, Shanghai 200032, China
| | - Jieyi Shi
- Department of Liver Surgery and Transplantation, Liver Cancer Institute, Zhongshan Hospital, and Key Laboratory of Carcinogenesis and Cancer Invasion (Ministry of Education), Fudan University, Shanghai 200032, China
| | - Longzi Liu
- Department of Liver Surgery and Transplantation, Liver Cancer Institute, Zhongshan Hospital, and Key Laboratory of Carcinogenesis and Cancer Invasion (Ministry of Education), Fudan University, Shanghai 200032, China
| | - Xiaoying Wang
- Department of Liver Surgery and Transplantation, Liver Cancer Institute, Zhongshan Hospital, and Key Laboratory of Carcinogenesis and Cancer Invasion (Ministry of Education), Fudan University, Shanghai 200032, China
| | - Aiwu Ke
- Department of Liver Surgery and Transplantation, Liver Cancer Institute, Zhongshan Hospital, and Key Laboratory of Carcinogenesis and Cancer Invasion (Ministry of Education), Fudan University, Shanghai 200032, China
| | - Ya Cao
- Cancer Research Institute, Xiangya School of Medicine, Central South University, Changsha, Hunan 410013, China
| | - Ruibin Xi
- School of Mathematical Sciences and Center for Statistical Science, Peking University, Beijing 100871, China
| | - Xiaoming Zhang
- Key Laboratory of Molecular Virology & Immunology, Institute Pasteur of Shanghai, Chinese Academy of Sciences, Shanghai 200032, China
| | - Jian Zhou
- Department of Liver Surgery and Transplantation, Liver Cancer Institute, Zhongshan Hospital, and Key Laboratory of Carcinogenesis and Cancer Invasion (Ministry of Education), Fudan University, Shanghai 200032, China.,Institutes of Biomedical Sciences, Fudan University, Shanghai 200032, China
| | - Jia Fan
- Department of Liver Surgery and Transplantation, Liver Cancer Institute, Zhongshan Hospital, and Key Laboratory of Carcinogenesis and Cancer Invasion (Ministry of Education), Fudan University, Shanghai 200032, China.,Institutes of Biomedical Sciences, Fudan University, Shanghai 200032, China
| | - Chong Li
- Core Facility for Protein Research, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China
| | - Qiang Gao
- Department of Liver Surgery and Transplantation, Liver Cancer Institute, Zhongshan Hospital, and Key Laboratory of Carcinogenesis and Cancer Invasion (Ministry of Education), Fudan University, Shanghai 200032, China.,State Key Laboratory of Genetic Engineering, Fudan University, Shanghai 200433, China
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44
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Tajul Arifin K, Sulaiman S, Md Saad S, Ahmad Damanhuri H, Wan Ngah WZ, Mohd Yusof YA. Elevation of tumour markers TGF-β, M 2-PK, OV-6 and AFP in hepatocellular carcinoma (HCC)-induced rats and their suppression by microalgae Chlorella vulgaris. BMC Cancer 2017; 17:879. [PMID: 29268718 PMCID: PMC5740965 DOI: 10.1186/s12885-017-3883-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2016] [Accepted: 12/07/2017] [Indexed: 12/24/2022] Open
Abstract
Background Chlorella vulgaris (ChV), a unicellular green algae has been reported to have anticancer and antioxidant effects. The aim of this study was to determine the chemopreventive effect of ChV on liver cancer induced rats by determining the level and expression of several liver tumour markers. Methods Male Wistar rats (200–250 g) were divided into 4 groups according to the diet given: control group (normal diet), ChV group with three different doses (50, 150 and 300 mg/kg body weight), liver cancer- induced group (choline deficient diet + 0.1% ethionine in drinking water or CDE group), and the treatment group (CDE group treated with three different doses of ChV). Rats were killed at 0, 4, 8 and 12 weeks of experiment and blood and tissue samples were taken from all groups for the determination of tumour markers expression alpha-fetoprotein (AFP), transforming growth factor-β (TGF-β), M2-pyruvate kinase (M2-PK) and specific antigen for oval cells (OV-6). Results Serum level of TGF-β increased significantly (p < 0.05) in CDE rats. However, ChV at all doses managed to decrease (p < 0.05) its levels to control values. Expressions of liver tumour markers AFP, TGF-β, M2-PK and OV-6 were significantly higher (p < 0.05) in tissues of CDE rats when compared to control showing an increased number of cancer cells during hepatocarcinogenesis. ChV at all doses reduced their expressions significantly (p < 0.05). Conclusions Chlorella vulgaris has chemopreventive effect by downregulating the expression of tumour markers M2-PK, OV-6, AFP and TGF-β, in HCC-induced rats.
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Affiliation(s)
- Khaizurin Tajul Arifin
- Department of Biochemistry, Faculty of Medicine, Universiti Kebangsaan Malaysia Medical Centre, Jalan Yaacob Latiff, 56000 Cheras, Kuala Lumpur, Wilayah Persekutuan, Malaysia
| | - Suhaniza Sulaiman
- Department of Biochemistry, Faculty of Medicine, Universiti Kebangsaan Malaysia Medical Centre, Jalan Yaacob Latiff, 56000 Cheras, Kuala Lumpur, Wilayah Persekutuan, Malaysia
| | - Suhana Md Saad
- Department of Diagnostic & Allied Health Sciences, Faculty of Health & Life Sciences, Management & Science University (MSU), University Drive, Seksyen 13, 40100, Shah Alam, Selangor, Malaysia
| | - Hanafi Ahmad Damanhuri
- Department of Biochemistry, Faculty of Medicine, Universiti Kebangsaan Malaysia Medical Centre, Jalan Yaacob Latiff, 56000 Cheras, Kuala Lumpur, Wilayah Persekutuan, Malaysia
| | - Wan Zurinah Wan Ngah
- Department of Biochemistry, Faculty of Medicine, Universiti Kebangsaan Malaysia Medical Centre, Jalan Yaacob Latiff, 56000 Cheras, Kuala Lumpur, Wilayah Persekutuan, Malaysia
| | - Yasmin Anum Mohd Yusof
- Department of Biochemistry, Faculty of Medicine, Universiti Kebangsaan Malaysia Medical Centre, Jalan Yaacob Latiff, 56000 Cheras, Kuala Lumpur, Wilayah Persekutuan, Malaysia.
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A Large Set of miRNAs Is Dysregulated from the Earliest Steps of Human Hepatocellular Carcinoma Development. THE AMERICAN JOURNAL OF PATHOLOGY 2017; 188:785-794. [PMID: 29248455 DOI: 10.1016/j.ajpath.2017.10.024] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2017] [Revised: 09/28/2017] [Accepted: 10/30/2017] [Indexed: 01/01/2023]
Abstract
Hepatocellular carcinoma (HCC) typically results from a stepwise process characterized by the development of premalignant lesions, such as low- or high-grade dysplastic nodules (LGDNs and HGDNs, respectively), in a cirrhotic setting. MicroRNAs (miRNAs) are small noncoding RNAs involved in post-transcriptional regulation of gene expression that can act as oncogenes or tumor suppressors. Whether and which miRNAs are involved in the early stages of HCC development remains elusive. Here, small-RNA sequencing was applied to profile miRNA expression in 55 samples (cirrhotic nodules; CNs), LGDNs, HGDNs, early HCCs, and small progressed HCCs, obtained from 17 patients bearing HCCs of different etiologies. An miRNA expression signature of 62 miRNAs distinguishing small progressed HCCs from matched CNs was identified. Interestingly, 52 of these miRNAs discriminated CNs from LGDNs/HGDNs, regardless of etiology, and remained modified along the tumorigenic process. Functional analysis of the predicted mRNA targets of deregulated miRNAs identified common modifications between the early and late stages of HCC development likely involved in the stepwise process of HCC development. Our results demonstrate that miRNA deregulation happens very early in HCC in humans, implying their crucial role in the tumorigenic process. The identification of miRNAs discriminating CNs from neoplastic nodules may have relevant translational implications in early diagnosis.
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Low-Grade Dysplastic Nodules Revealed as the Tipping Point during Multistep Hepatocarcinogenesis by Dynamic Network Biomarkers. Genes (Basel) 2017; 8:genes8100268. [PMID: 29027943 PMCID: PMC5664118 DOI: 10.3390/genes8100268] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2017] [Revised: 09/26/2017] [Accepted: 10/01/2017] [Indexed: 12/17/2022] Open
Abstract
Hepatocellular carcinoma (HCC) is a complex disease with a multi-step carcinogenic process from preneoplastic lesions, including cirrhosis, low-grade dysplastic nodules (LGDNs), and high-grade dysplastic nodules (HGDNs) to HCC. There is only an elemental understanding of its molecular pathogenesis, for which a key problem is to identify when and how the critical transition happens during the HCC initiation period at a molecular level. In this work, for the first time, we revealed that LGDNs is the tipping point (i.e., pre-HCC state rather than HCC state) of hepatocarcinogenesis based on a series of gene expression profiles by a new mathematical model termed dynamic network biomarkers (DNB)—a group of dominant genes or molecules for the transition. Different from the conventional biomarkers based on the differential expressions of the observed genes (or molecules) for diagnosing a disease state, the DNB model exploits collective fluctuations and correlations of the observed genes, thereby predicting the imminent disease state or diagnosing the critical state. Our results show that DNB composed of 59 genes signals the tipping point of HCC (i.e., LGDNs). On the other hand, there are a large number of differentially expressed genes between cirrhosis and HGDNs, which highlighted the stark differences or drastic changes before and after the tipping point or LGDNs, implying the 59 DNB members serving as the early-warning signals of the upcoming drastic deterioration for HCC. We further identified the biological pathways responsible for this transition, such as the type I interferon signaling pathway, Janus kinase–signal transducers and activators of transcription (JAK–STAT) signaling pathway, transforming growth factor (TGF)-β signaling pathway, retinoic acid-inducible gene I (RIG-I)-like receptor signaling pathway, cell adhesion molecules, and cell cycle. In particular, pathways related to immune system reactions and cell adhesion were downregulated, and pathways related to cell growth and death were upregulated. Furthermore, DNB was validated as an effective predictor of prognosis for HCV-induced HCC patients by survival analysis on independent data, suggesting a potential clinical application of DNB. This work provides biological insights into the dynamic regulations of the critical transitions during multistep hepatocarcinogenesis.
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Castelli G, Pelosi E, Testa U. Liver Cancer: Molecular Characterization, Clonal Evolution and Cancer Stem Cells. Cancers (Basel) 2017; 9:cancers9090127. [PMID: 28930164 PMCID: PMC5615342 DOI: 10.3390/cancers9090127] [Citation(s) in RCA: 237] [Impact Index Per Article: 33.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2017] [Revised: 09/14/2017] [Accepted: 09/15/2017] [Indexed: 12/15/2022] Open
Abstract
Liver cancer is the second most common cause of cancer-related death. The major forms of primary liver cancer are hepatocellular carcinoma (HCC) and intrahepatic cholangiocarcinoma (iCCA). Both these tumors develop against a background of cirrhotic liver, non-alcoholic fatty liver disease, chronic liver damage and fibrosis. HCC is a heterogeneous disease which usually develops within liver cirrhosis related to various etiologies: hepatitis B virus (HBV) infection (frequent in Asia and Africa), hepatitis C virus (HCV), chronic alcohol abuse, or metabolic syndrome (frequent in Western countries). In cirrhosis, hepatocarcinogenesis is a multi-step process where pre-cancerous dysplastic macronodules transform progressively into HCC. The patterns of genomic alterations observed in these tumors were recently identified and were instrumental for the identification of potential targeted therapies that could improve patient care. Liver cancer stem cells are a small subset of undifferentiated liver tumor cells, responsible for cancer initiation, metastasis, relapse and chemoresistance, enriched and isolated according to immunophenotypic and functional properties: cell surface proteins (CD133, CD90, CD44, EpCAM, OV-6, CD13, CD24, DLK1, α2δ1, ICAM-1 and CD47); the functional markers corresponding to side population, high aldehyde dehydrogenase (ALDH) activity and autofluorescence. The identification and definition of liver cancer stem cells requires both immunophenotypic and functional properties.
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Affiliation(s)
- Germana Castelli
- Department of Hematology, Oncology and Molecular Medicine, Istituto Superiore di Sanità, Rome 00141, Italy.
| | - Elvira Pelosi
- Department of Hematology, Oncology and Molecular Medicine, Istituto Superiore di Sanità, Rome 00141, Italy.
| | - Ugo Testa
- Department of Hematology, Oncology and Molecular Medicine, Istituto Superiore di Sanità, Rome 00141, Italy.
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Rojas A, Zhang P, Wang Y, Foo WC, Muñoz NM, Xiao L, Wang J, Gores GJ, Hung MC, Blechacz B. A Positive TGF-β/c-KIT Feedback Loop Drives Tumor Progression in Advanced Primary Liver Cancer. Neoplasia 2017; 18:371-86. [PMID: 27292026 PMCID: PMC4909706 DOI: 10.1016/j.neo.2016.04.002] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2016] [Accepted: 04/07/2016] [Indexed: 12/13/2022] Open
Abstract
Hepatocellular carcinoma (HCC) is globally the second most common cause of cancer mortality. The majority of HCC patients are diagnosed at advanced stage disease for which no curative treatments exist. TGF-β has been identified as a potential therapeutic target. However, the molecular mechanisms mediating its functional switch from a tumor suppressor to tumor promoter in HCC and its interactions with other signaling pathways are poorly understood. Here, we demonstrate an aberrant molecular network between the TGF-β and c-KIT pathway that mediates the functional switch of TGF-β to a driver of tumor progression in HCC. TGF-β/SMAD2 signaling transcriptionally regulates expression of the c-KIT receptor ligand (stem cell factor [SCF]) with subsequent auto- and paracrine activation of c-KIT/JAK1/STAT3 signaling. SCF induces TGF-β1 ligand expression via STAT3, thereby forming a positive feedback loop between TGF-β/SMAD and SCF/c-KIT signaling. This network neutralizes TGF-β–mediated cell cycle inhibition and induces tumor cell proliferation, epithelial-to-mesenchymal-transition, migration, and invasion. Disruption of this feedback loop inhibits TGF-β tumor-promoting effects and restores its antiproliferative functions. Consistent with our in vitro data, we demonstrate SCF overexpression and its correlation to SMAD2 and STAT3 activation in human HCC tumors, advanced tumor-node-metastasis stages, and shorter survival. CONCLUSIONS: Canonical TGF-β and c-KIT signaling forms a positive, tumor-promoting feedback loop. Disruption of this loop restores TGF-β tumor suppressor function and provides the rationale for targeting the TGF-β/SCF axis as a novel therapeutic strategy for HCC.
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Affiliation(s)
- Andres Rojas
- Department of Gastroenterology, Hepatology and Nutrition, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Pingyu Zhang
- Department of Gastroenterology, Hepatology and Nutrition, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Ying Wang
- Department of Bioinformatics and Computational Biology, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Wai Chin Foo
- Department of Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Nina M Muñoz
- Department of Interventional Radiology, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Lianchun Xiao
- Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Jing Wang
- Department of Bioinformatics and Computational Biology, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Gregory J Gores
- Department of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN
| | - Mien-Chie Hung
- Department of Molecular Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, TX; Department of Molecular and Cellular Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX; Graduate Institute of Cancer Biology and Center for Molecular Medicine, China Medical University, Taichung, Taiwan
| | - Boris Blechacz
- Department of Gastroenterology, Hepatology and Nutrition, The University of Texas MD Anderson Cancer Center, Houston, TX.
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Tu T, Budzinska MA, Shackel NA, Urban S. HBV DNA Integration: Molecular Mechanisms and Clinical Implications. Viruses 2017; 9:v9040075. [PMID: 28394272 PMCID: PMC5408681 DOI: 10.3390/v9040075] [Citation(s) in RCA: 257] [Impact Index Per Article: 36.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2017] [Revised: 04/03/2017] [Accepted: 04/04/2017] [Indexed: 02/06/2023] Open
Abstract
Chronic infection with the Hepatitis B Virus (HBV) is a major cause of liver-related morbidity and mortality. One peculiar observation in cells infected with HBV (or with closely‑related animal hepadnaviruses) is the presence of viral DNA integration in the host cell genome, despite this form being a replicative dead-end for the virus. The frequent finding of somatic integration of viral DNA suggests an evolutionary benefit for the virus; however, the mechanism of integration, its functions, and the clinical implications remain unknown. Here we review the current body of knowledge of HBV DNA integration, with particular focus on the molecular mechanisms and its clinical implications (including the possible consequences of replication-independent antigen expression and its possible role in hepatocellular carcinoma). HBV DNA integration is likely to influence HBV replication, persistence, and pathogenesis, and so deserves greater attention in future studies.
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Affiliation(s)
- Thomas Tu
- Department of Infectious Diseases, Molecular Virology, Heidelberg University, Im Neuenheimer Feld 345, 69120 Heidelberg, Germany.
| | - Magdalena A Budzinska
- Centenary Institute, The University of Sydney, Sydney, NSW 2050, Australia.
- Sydney Medical School, The University of Sydney, Sydney, NSW 2006, Australia.
| | - Nicholas A Shackel
- Centenary Institute, The University of Sydney, Sydney, NSW 2050, Australia.
- Sydney Medical School, The University of Sydney, Sydney, NSW 2006, Australia.
- Liverpool Hospital, Gastroenterology, Sydney, NSW 2170, Australia.
| | - Stephan Urban
- Department of Infectious Diseases, Molecular Virology, Heidelberg University, Im Neuenheimer Feld 345, 69120 Heidelberg, Germany.
- German Center for Infection Research (DZIF), Heidelberg Partner Site, Im Neuenheimer Feld 345, 69120 Heidelberg, Germany.
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50
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Spira A, Yurgelun MB, Alexandrov L, Rao A, Bejar R, Polyak K, Giannakis M, Shilatifard A, Finn OJ, Dhodapkar M, Kay NE, Braggio E, Vilar E, Mazzilli SA, Rebbeck TR, Garber JE, Velculescu VE, Disis ML, Wallace DC, Lippman SM. Precancer Atlas to Drive Precision Prevention Trials. Cancer Res 2017; 77:1510-1541. [PMID: 28373404 PMCID: PMC6681830 DOI: 10.1158/0008-5472.can-16-2346] [Citation(s) in RCA: 99] [Impact Index Per Article: 14.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2016] [Revised: 01/20/2017] [Accepted: 01/20/2017] [Indexed: 02/07/2023]
Abstract
Cancer development is a complex process driven by inherited and acquired molecular and cellular alterations. Prevention is the holy grail of cancer elimination, but making this a reality will take a fundamental rethinking and deep understanding of premalignant biology. In this Perspective, we propose a national concerted effort to create a Precancer Atlas (PCA), integrating multi-omics and immunity - basic tenets of the neoplastic process. The biology of neoplasia caused by germline mutations has led to paradigm-changing precision prevention efforts, including: tumor testing for mismatch repair (MMR) deficiency in Lynch syndrome establishing a new paradigm, combinatorial chemoprevention efficacy in familial adenomatous polyposis (FAP), signal of benefit from imaging-based early detection research in high-germline risk for pancreatic neoplasia, elucidating early ontogeny in BRCA1-mutation carriers leading to an international breast cancer prevention trial, and insights into the intricate germline-somatic-immunity interaction landscape. Emerging genetic and pharmacologic (metformin) disruption of mitochondrial (mt) respiration increased autophagy to prevent cancer in a Li-Fraumeni mouse model (biology reproduced in clinical pilot) and revealed profound influences of subtle changes in mt DNA background variation on obesity, aging, and cancer risk. The elaborate communication between the immune system and neoplasia includes an increasingly complex cellular microenvironment and dynamic interactions between host genetics, environmental factors, and microbes in shaping the immune response. Cancer vaccines are in early murine and clinical precancer studies, building on the recent successes of immunotherapy and HPV vaccine immune prevention. Molecular monitoring in Barrett's esophagus to avoid overdiagnosis/treatment highlights an important PCA theme. Next generation sequencing (NGS) discovered age-related clonal hematopoiesis of indeterminate potential (CHIP). Ultra-deep NGS reports over the past year have redefined the premalignant landscape remarkably identifying tiny clones in the blood of up to 95% of women in their 50s, suggesting that potentially premalignant clones are ubiquitous. Similar data from eyelid skin and peritoneal and uterine lavage fluid provide unprecedented opportunities to dissect the earliest phases of stem/progenitor clonal (and microenvironment) evolution/diversity with new single-cell and liquid biopsy technologies. Cancer mutational signatures reflect exogenous or endogenous processes imprinted over time in precursors. Accelerating the prevention of cancer will require a large-scale, longitudinal effort, leveraging diverse disciplines (from genetics, biochemistry, and immunology to mathematics, computational biology, and engineering), initiatives, technologies, and models in developing an integrated multi-omics and immunity PCA - an immense national resource to interrogate, target, and intercept events that drive oncogenesis. Cancer Res; 77(7); 1510-41. ©2017 AACR.
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Affiliation(s)
- Avrum Spira
- Department of Medicine, Boston University School of Medicine, Boston, Massachusetts
- Department of Pathology and Bioinformatics, Boston University School of Medicine, Boston, Massachusetts
| | - Matthew B Yurgelun
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts
| | - Ludmil Alexandrov
- Theoretical Division, Center for Nonlinear Studies, Los Alamos National Laboratory, Los Alamos, New Mexico
| | - Anjana Rao
- Division of Signaling and Gene Expression, La Jolla Institute for Allergy and Immunology, La Jolla, California
| | - Rafael Bejar
- Department of Medicine, Moores Cancer Center, University of California San Diego, La Jolla, California
| | - Kornelia Polyak
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts
| | - Marios Giannakis
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts
| | - Ali Shilatifard
- Department of Biochemistry and Molecular Genetics, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Olivera J Finn
- Department of Immunology, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Madhav Dhodapkar
- Department of Hematology and Immunology, Yale Cancer Center, New Haven, Connecticut
| | - Neil E Kay
- Department of Hematology, Mayo Clinic Hospital, Rochester, Minnesota
| | - Esteban Braggio
- Department of Hematology, Mayo Clinic Hospital, Phoenix, Arizona
| | - Eduardo Vilar
- Department of Clinical Cancer Prevention, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Sarah A Mazzilli
- Department of Medicine, Boston University School of Medicine, Boston, Massachusetts
- Department of Pathology and Bioinformatics, Boston University School of Medicine, Boston, Massachusetts
| | - Timothy R Rebbeck
- Division of Hematology and Oncology, Dana-Farber Cancer Institute and Harvard T.H. Chan School of Public Health, Boston, Massachusetts
| | - Judy E Garber
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts
| | - Victor E Velculescu
- Department of Oncology, Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, Baltimore, Maryland
- Department of Pathology, Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, Baltimore, Maryland
| | - Mary L Disis
- Department of Medicine, Center for Translational Medicine in Women's Health, University of Washington, Seattle, Washington
| | - Douglas C Wallace
- Center for Mitochondrial and Epigenomic Medicine, Children's Hospital of Philadelphia, University of Pennsylvania, Philadelphia, Pennsylvania
- Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Scott M Lippman
- Department of Medicine, Moores Cancer Center, University of California San Diego, La Jolla, California.
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