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Lu Y, Huang R, Zhang Y, Xiang W, Zhang X, Chen F, An L, Yuan H, Wen F, Xu Y. Porphyromonas gingivalis induced UCHL3 to promote colon cancer progression. Am J Cancer Res 2023; 13:5981-5995. [PMID: 38187053 PMCID: PMC10767335] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Accepted: 12/01/2023] [Indexed: 01/09/2024] Open
Abstract
Porphyromonas gingivalis (P. gingivalis), a Gram-negative oral anaerobe, was demonstrated to facilitate colonization and progression in colonic tumor, while the underlying mechanism still remains to be clarified. Here, we identified the proteome profile changed by P. gingivalis infection in HCT116 cells through label-free quantitative proteomics, and found that deubiquitinase UCHL3 was a key protein that response for P. gingivalis infection. By CCK8, colony formation, wound healing assays, and in vivo subcutaneous tumor mouse moudle, we proved that P. gingivalis could promote the proliferation and migration of colon cancer, while the process was inhibited by UCHL3 knock down. Through IP-MS, we identified GNG12 as the UCHL3 interacting protein. The protein level of GNG12 was significantly reduced when knock out UCHL3. Thus we propose that GNG12 is a substrate protein of UCHL3. Furthermore, we demonstrated that overexpression of GNG12 could restore the tumor inhibition effect caused by UCHL3 knock down, and UCHL3-GNG12 axis promote colon cancer progression via the NF-κB signal pathway. Collectively, this study unveiled that P. gingivalis infection up-regulated UCHL3 and stabilized its substrate protein GNG12 to activate the NF-κB signal pathway to promote colon cancer progression. Our study indicate that UCHL3 is a potential biomarker and therapeutic target for colon cancer which infected with P. gingivalis.
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Affiliation(s)
- Yang Lu
- Department of Stomatology, Shanghai Tenth People’s Hospital, Tongji University School of MedicineShanghai, China
| | - Renhuan Huang
- Department of Stomatology, Shanghai Tenth People’s Hospital, Tongji University School of MedicineShanghai, China
| | - Yiming Zhang
- Department of Stomatology, Shanghai Tenth People’s Hospital, Tongji University School of MedicineShanghai, China
| | - Wei Xiang
- Department of Stomatology, Shanghai Tenth People’s Hospital, Tongji University School of MedicineShanghai, China
| | - Xu Zhang
- Department of Stomatology, Shanghai Tenth People’s Hospital, Tongji University School of MedicineShanghai, China
| | - Fubo Chen
- Department of Stomatology, Shanghai Tenth People’s Hospital, Tongji University School of MedicineShanghai, China
| | - Liwei An
- Department of Stomatology, Shanghai Tenth People’s Hospital, Tongji University School of MedicineShanghai, China
- Department of Medical Stomatology, Shanghai Tenth People’s Hospital, Tongji University Cancer Center, Tongji University School of MedicineShanghai, China
| | - Hang Yuan
- Department of Stomatology, Shanghai Tenth People’s Hospital, Tongji University School of MedicineShanghai, China
| | - Fuping Wen
- Department of Stomatology, Shanghai Tenth People’s Hospital, Tongji University School of MedicineShanghai, China
| | - Yuanzhi Xu
- Department of Stomatology, Shanghai Tenth People’s Hospital, Tongji University School of MedicineShanghai, China
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Carman LE, Samulevich ML, Aneskievich BJ. Repressive Control of Keratinocyte Cytoplasmic Inflammatory Signaling. Int J Mol Sci 2023; 24:11943. [PMID: 37569318 PMCID: PMC10419196 DOI: 10.3390/ijms241511943] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Revised: 07/17/2023] [Accepted: 07/20/2023] [Indexed: 08/13/2023] Open
Abstract
The overactivity of keratinocyte cytoplasmic signaling contributes to several cutaneous inflammatory and immune pathologies. An important emerging complement to proteins responsible for this overactivity is signal repression brought about by several proteins and protein complexes with the native role of limiting inflammation. The signaling repression by these proteins distinguishes them from transmembrane receptors, kinases, and inflammasomes, which drive inflammation. For these proteins, defects or deficiencies, whether naturally arising or in experimentally engineered skin inflammation models, have clearly linked them to maintaining keratinocytes in a non-activated state or returning cells to a post-inflamed state after a signaling event. Thus, together, these proteins help to resolve acute inflammatory responses or limit the development of chronic cutaneous inflammatory disease. We present here an integrated set of demonstrated or potentially inflammation-repressive proteins or protein complexes (linear ubiquitin chain assembly complex [LUBAC], cylindromatosis lysine 63 deubiquitinase [CYLD], tumor necrosis factor alpha-induced protein 3-interacting protein 1 [TNIP1], A20, and OTULIN) for a comprehensive view of cytoplasmic signaling highlighting protein players repressing inflammation as the needed counterpoints to signal activators and amplifiers. Ebb and flow of players on both sides of this inflammation equation would be of physiological advantage to allow acute response to damage or pathogens and yet guard against chronic inflammatory disease. Further investigation of the players responsible for repressing cytoplasmic signaling would be foundational to developing new chemical-entity pharmacologics to stabilize or enhance their function when clinical intervention is needed to restore balance.
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Affiliation(s)
- Liam E. Carman
- Graduate Program in Pharmacology & Toxicology, University of Connecticut, Storrs, CT 06269-3092, USA; (L.E.C.); (M.L.S.)
| | - Michael L. Samulevich
- Graduate Program in Pharmacology & Toxicology, University of Connecticut, Storrs, CT 06269-3092, USA; (L.E.C.); (M.L.S.)
| | - Brian J. Aneskievich
- Department of Pharmaceutical Sciences, School of Pharmacy, University of Connecticut, Storrs, CT 06269-3092, USA
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Clinical significance of cylindromatosis expression in primary hepatocellular carcinoma. Arab J Gastroenterol 2023; 24:58-64. [PMID: 36720665 DOI: 10.1016/j.ajg.2022.11.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Revised: 08/16/2022] [Accepted: 11/28/2022] [Indexed: 01/30/2023]
Abstract
BACKGROUND AND STUDY AIM There is currently a lack of sensitive biomarkers for the diagnosis of hepatocellular carcinoma (HCC). Low expression of cylindromatosis (CYLD), a tumor suppressor gene that encodes a deubiquitinase, is associated with the development of HCC. The present study, therefore, aimed to determine the clinical utility of measuring CYLD expression in the early diagnosis of HCC. PATIENTS AND METHODS The present study comprised 257 patients from the Affiliated Hospital of Qingdao University including 90 patients with HCC, 41 patients with liver cirrhosis (LC), 46 patients with hepatitis B (HB), and 80 healthy controls. qPCR was used to measure the amounts of CYLD mRNA in stored blood samples. The sensitivity and specificity of CYLD mRNA in diagnosing HCC was analyzed using receiver operator characteristic (ROC) curves. We also obtained HCC data from the Oncomine database to further verify our results. RESULTS The relative levels of CYLD mRNA in peripheral blood from patients with HCC (median, 0.060; interquartile range [IQR], 0.019-0.260) was significantly lower than in blood from patients with LC (median, 3.732; IQR, 0.648-14.573), HB (median, 0.419; IQR, 0.255-1.809) and healthy controls (median, 1.262; IQR, 0.279-3.537; P < 0.05). CYLD mRNA levels in peripheral blood were significantly higher in patients with LC compared to healthy controls and patients with HB. Oncomine data demonstrated that CYLD mRNA expression levels in HCC tissues were significantly lower than in normal liver tissues. ROC analysis demonstrated that the combined use of peripheral blood levels of CYLD and AFP had the greatest diagnostic accuracy for HCC (area under the curve (AUC), 0.897; 95 % confidence interval [CI], 0.853-0.942). CYLD had utility as a supplementary marker to AFP for diagnosing HCC. CONCLUSION Circulating levels of CYLD mRNA are significantly decreased in patients with HCC, indicating CYLD may have utility as a biomarker of HCC. Combined measurement of CYLD mRNA and AFP protein had the greatest diagnostic accuracy.
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Aryapour E, Kietzmann T. Mitochondria, mitophagy, and the role of deubiquitinases as novel therapeutic targets in liver pathology. J Cell Biochem 2022; 123:1634-1646. [PMID: 35924961 PMCID: PMC9804494 DOI: 10.1002/jcb.30312] [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: 06/28/2022] [Revised: 07/15/2022] [Accepted: 07/21/2022] [Indexed: 01/05/2023]
Abstract
Liver diseases such as nonalcoholic fatty liver disease (NAFLD), nonalcoholic steatohepatitis (NASH), fibrosis, and hepatocellular carcinoma (HCC) have increased over the past few decades due to the absence or ineffective therapeutics. Recently, it has been shown that inappropriate regulation of hepatic mitophagy is linked to the pathogenesis of the above-mentioned liver diseases. As mitophagy maintains cellular homeostasis by removing damaged and nonfunctional mitochondria from the cell, the proper function of the molecules involved are of utmost importance. Thereby, mitochondrial E3 ubiquitin ligases as well as several deubiquitinases (DUBs) appear to play a unique role for the degradation of mitochondrial proteins and for proper execution of the mitophagy process by either adding or removing ubiquitin chains from target proteins. Therefore, these enzymes could be considered as valuable liver disease biomarkers and also as novel targets for therapy. In this review, we focus on the role of different DUBs on mitophagy and their contribution to NAFLD, NASH, alcohol-related liver disease, and especially HCC.
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Affiliation(s)
- Elham Aryapour
- Faculty of Biochemistry and Molecular Medicine, and Biocenter OuluUniversity of OuluOuluFinland
| | - Thomas Kietzmann
- Faculty of Biochemistry and Molecular Medicine, and Biocenter OuluUniversity of OuluOuluFinland
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Erol A. Genotoxicity-Stimulated and CYLD-Driven Malignant Transformation. Cancer Manag Res 2022; 14:2339-2356. [PMID: 35958947 PMCID: PMC9362849 DOI: 10.2147/cmar.s373557] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2022] [Accepted: 07/28/2022] [Indexed: 11/23/2022] Open
Affiliation(s)
- Adnan Erol
- Independent Researcher, Istanbul, Turkey
- Correspondence: Adnan Erol, Email
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Role of NF-κB in Ageing and Age-Related Diseases: Lessons from Genetically Modified Mouse Models. Cells 2021; 10:cells10081906. [PMID: 34440675 PMCID: PMC8394846 DOI: 10.3390/cells10081906] [Citation(s) in RCA: 48] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 07/17/2021] [Accepted: 07/23/2021] [Indexed: 12/21/2022] Open
Abstract
Ageing is a complex process, induced by multifaceted interaction of genetic, epigenetic, and environmental factors. It is manifested by a decline in the physiological functions of organisms and associated to the development of age-related chronic diseases and cancer development. It is considered that ageing follows a strictly-regulated program, in which some signaling pathways critically contribute to the establishment and maintenance of the aged state. Chronic inflammation is a major mechanism that promotes the biological ageing process and comorbidity, with the transcription factor NF-κB (nuclear factor kappa-light-chain-enhancer of activated B cells) as a crucial mediator of inflammatory responses. This, together with the finding that the activation or inhibition of NF-κB can induce or reverse respectively the main features of aged organisms, has brought it under consideration as a key transcription factor that acts as a driver of ageing. In this review, we focused on the data obtained entirely through the generation of knockout and transgenic mouse models of either protein involved in the NF-κB signaling pathway that have provided relevant information about the intricate processes or molecular mechanisms that control ageing. We have reviewed the relationship of NF-κB and premature ageing; the development of cancer associated with ageing and the implication of NF-κB activation in the development of age-related diseases, some of which greatly increase the risk of developing cancer.
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Alameda JP, García-García VA, López S, Hernando A, Page A, Navarro M, Moreno-Maldonado R, Paramio JM, Ramírez Á, García-Fernández RA, Casanova ML. CYLD Inhibits the Development of Skin Squamous Cell Tumors in Immunocompetent Mice. Int J Mol Sci 2021; 22:6736. [PMID: 34201751 PMCID: PMC8268443 DOI: 10.3390/ijms22136736] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Revised: 06/18/2021] [Accepted: 06/21/2021] [Indexed: 11/17/2022] Open
Abstract
Cylindromatosis (CYLD) is a deubiquitinase (DUB) enzyme that was initially characterized as a tumor suppressor of adnexal skin tumors in patients with CYLD syndrome. Later, it was also shown that the expression of functionally inactive mutated forms of CYLD promoted tumor development and progression of non-melanoma skin cancer (NMSC). However, the ability of wild-type CYLD to inhibit skin tumorigenesis in vivo in immunocompetent mice has not been proved. Herein, we generated transgenic mice that express the wild type form of CYLD under the control of the keratin 5 (K5) promoter (K5-CYLDwt mice) and analyzed the skin properties of these transgenic mice by WB and immunohistochemistry, studied the survival and proliferating characteristics of primary keratinocytes, and performed chemical skin carcinogenesis experiments. As a result, we found a reduced activation of the nuclear factor kappa B (NF-κB) pathway in the skin of K5-CYLDwt mice in response to tumor necrosis factor-α (TNF-α); accordingly, when subjected to insults, K5-CYLDwt keratinocytes are prone to apoptosis and are protected from excessive hyperproliferation. Skin carcinogenesis assays showed inhibition of tumor development in K5-CYLDwt mice. As a mechanism of this tumor suppressor activity, we found that a moderate increase in CYLD expression levels reduced NF-κB activation, which favored the differentiation of tumor epidermal cells and inhibited its proliferation; moreover, it decreased tumor angiogenesis and inflammation. Altogether, our results suggest that increased levels of CYLD may be useful for anti-skin cancer therapy.
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Affiliation(s)
- Josefa P. Alameda
- Molecular and Translational Oncology Unit, Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), 28040 Madrid, Spain; (J.P.A.); (V.A.G.-G.); (A.H.); (A.P.); (M.N.); (R.M.-M.); (J.M.P.); (Á.R.)
- Biomedical Research Institute I+12, 12 de Octubre University Hospital, 28041 Madrid, Spain
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), 28029 Madrid, Spain
| | - Verónica A. García-García
- Molecular and Translational Oncology Unit, Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), 28040 Madrid, Spain; (J.P.A.); (V.A.G.-G.); (A.H.); (A.P.); (M.N.); (R.M.-M.); (J.M.P.); (Á.R.)
- Biomedical Research Institute I+12, 12 de Octubre University Hospital, 28041 Madrid, Spain
| | - Silvia López
- Department of Animal Medicine and Surgery, Facultad de Veterinaria, UCM, 28040 Madrid, Spain; (S.L.); (R.A.G.-F.)
| | - Ana Hernando
- Molecular and Translational Oncology Unit, Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), 28040 Madrid, Spain; (J.P.A.); (V.A.G.-G.); (A.H.); (A.P.); (M.N.); (R.M.-M.); (J.M.P.); (Á.R.)
- Bionomous Sàrl, PFL Innovation Park, Bâtiment, FCH-1015 Lausanne, Switzerland
| | - Angustias Page
- Molecular and Translational Oncology Unit, Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), 28040 Madrid, Spain; (J.P.A.); (V.A.G.-G.); (A.H.); (A.P.); (M.N.); (R.M.-M.); (J.M.P.); (Á.R.)
- Biomedical Research Institute I+12, 12 de Octubre University Hospital, 28041 Madrid, Spain
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), 28029 Madrid, Spain
| | - Manuel Navarro
- Molecular and Translational Oncology Unit, Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), 28040 Madrid, Spain; (J.P.A.); (V.A.G.-G.); (A.H.); (A.P.); (M.N.); (R.M.-M.); (J.M.P.); (Á.R.)
- Biomedical Research Institute I+12, 12 de Octubre University Hospital, 28041 Madrid, Spain
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), 28029 Madrid, Spain
| | - Rodolfo Moreno-Maldonado
- Molecular and Translational Oncology Unit, Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), 28040 Madrid, Spain; (J.P.A.); (V.A.G.-G.); (A.H.); (A.P.); (M.N.); (R.M.-M.); (J.M.P.); (Á.R.)
- Bio-innova Consulting, 28049 Madrid, Spain
| | - Jesús M. Paramio
- Molecular and Translational Oncology Unit, Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), 28040 Madrid, Spain; (J.P.A.); (V.A.G.-G.); (A.H.); (A.P.); (M.N.); (R.M.-M.); (J.M.P.); (Á.R.)
- Biomedical Research Institute I+12, 12 de Octubre University Hospital, 28041 Madrid, Spain
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), 28029 Madrid, Spain
| | - Ángel Ramírez
- Molecular and Translational Oncology Unit, Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), 28040 Madrid, Spain; (J.P.A.); (V.A.G.-G.); (A.H.); (A.P.); (M.N.); (R.M.-M.); (J.M.P.); (Á.R.)
- Biomedical Research Institute I+12, 12 de Octubre University Hospital, 28041 Madrid, Spain
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), 28029 Madrid, Spain
| | - Rosa A. García-Fernández
- Department of Animal Medicine and Surgery, Facultad de Veterinaria, UCM, 28040 Madrid, Spain; (S.L.); (R.A.G.-F.)
| | - María Llanos Casanova
- Molecular and Translational Oncology Unit, Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), 28040 Madrid, Spain; (J.P.A.); (V.A.G.-G.); (A.H.); (A.P.); (M.N.); (R.M.-M.); (J.M.P.); (Á.R.)
- Biomedical Research Institute I+12, 12 de Octubre University Hospital, 28041 Madrid, Spain
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), 28029 Madrid, Spain
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Tateo V, Manuzzi L, Parisi C, De Giglio A, Campana D, Pantaleo MA, Lamberti G. An Overview on Molecular Characterization of Thymic Tumors: Old and New Targets for Clinical Advances. Pharmaceuticals (Basel) 2021; 14:316. [PMID: 33915954 PMCID: PMC8066729 DOI: 10.3390/ph14040316] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Revised: 03/25/2021] [Accepted: 03/26/2021] [Indexed: 12/11/2022] Open
Abstract
Thymic tumors are a group of rare mediastinal malignancies that include three different histological subtypes with completely different clinical behavior: the thymic carcinomas, the thymomas, and the rarest thymic neuroendocrine tumors. Nowadays, few therapeutic options are available for relapsed and refractory thymic tumors after a first-line platinum-based chemotherapy. In the last years, the deepening of knowledge on thymus' biological characterization has opened possibilities for new treatment options. Several clinical trials have been conducted, the majority with disappointing results mainly due to inaccurate patient selection, but recently some encouraging results have been presented. In this review, we summarize the molecular alterations observed in thymic tumors, underlying the great biological differences among the different histology, and the promising targeted therapies for the future.
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Affiliation(s)
- Valentina Tateo
- Department of Experimental, Diagnostic and Specialty Medicine, Policlinico di Sant’Orsola University Hospital, Via P. Albertoni 15, 40138 Bologna, Italy; (V.T.); (L.M.); (C.P.); (D.C.); (M.A.P.); (G.L.)
| | - Lisa Manuzzi
- Department of Experimental, Diagnostic and Specialty Medicine, Policlinico di Sant’Orsola University Hospital, Via P. Albertoni 15, 40138 Bologna, Italy; (V.T.); (L.M.); (C.P.); (D.C.); (M.A.P.); (G.L.)
| | - Claudia Parisi
- Department of Experimental, Diagnostic and Specialty Medicine, Policlinico di Sant’Orsola University Hospital, Via P. Albertoni 15, 40138 Bologna, Italy; (V.T.); (L.M.); (C.P.); (D.C.); (M.A.P.); (G.L.)
| | - Andrea De Giglio
- Department of Experimental, Diagnostic and Specialty Medicine, Policlinico di Sant’Orsola University Hospital, Via P. Albertoni 15, 40138 Bologna, Italy; (V.T.); (L.M.); (C.P.); (D.C.); (M.A.P.); (G.L.)
- Division of Medical Oncology, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Via P. Albertoni 15, 40138 Bologna, Italy
| | - Davide Campana
- Department of Experimental, Diagnostic and Specialty Medicine, Policlinico di Sant’Orsola University Hospital, Via P. Albertoni 15, 40138 Bologna, Italy; (V.T.); (L.M.); (C.P.); (D.C.); (M.A.P.); (G.L.)
- Division of Medical Oncology, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Via P. Albertoni 15, 40138 Bologna, Italy
| | - Maria Abbondanza Pantaleo
- Department of Experimental, Diagnostic and Specialty Medicine, Policlinico di Sant’Orsola University Hospital, Via P. Albertoni 15, 40138 Bologna, Italy; (V.T.); (L.M.); (C.P.); (D.C.); (M.A.P.); (G.L.)
- Division of Medical Oncology, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Via P. Albertoni 15, 40138 Bologna, Italy
| | - Giuseppe Lamberti
- Department of Experimental, Diagnostic and Specialty Medicine, Policlinico di Sant’Orsola University Hospital, Via P. Albertoni 15, 40138 Bologna, Italy; (V.T.); (L.M.); (C.P.); (D.C.); (M.A.P.); (G.L.)
- Division of Medical Oncology, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Via P. Albertoni 15, 40138 Bologna, Italy
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Pu J, Wu X, Wu Y, Shao Z, Luo C, Tang Q, Wang J, Wei H, Lu Y. Anti-oncogenic effects of SOX2 silencing on hepatocellular carcinoma achieved by upregulating miR-222-5p-dependent CYLD via the long noncoding RNA CCAT1. Aging (Albany NY) 2021; 13:12207-12223. [PMID: 33952719 PMCID: PMC8109057 DOI: 10.18632/aging.103797] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Accepted: 05/01/2020] [Indexed: 01/17/2023]
Abstract
In this study, we determined the involvement of SOX2 and its downstream signaling molecules in hepatocellular carcinoma (HCC) progression. We carried out lentiviral transfection in HepG2 cells to determine the roles of SOX2, CCAT1, EGFR, miR-222-5p, and CYLD in HepG2 cells. We first determined the interaction between SOX2 and CCAT1 and that between miR-222-5p and CYLD and their effect on tumor growth in vivo was analyzed in HCC-xenograft bearing nude mice xenografts. SOX2 and CCAT1 were highly expressed in HCC tissues and HepG2 cells. SOX2 bound to the regulatory site of CCAT1. Silencing of SOX2 or CCAT1 inhibited HepG2 cell proliferation, migration, and invasion as well as decreased the expression of CCAT1 and EGFR. CCAT1 silencing reduced EGFR expression, but EGFR expression was increased in HCC tissues and HepG2 cells, which promoted proliferation, migration, and invasion in vitro. EGFR upregulated miR-222-5p, leading to downregulation of CYLD. miR-222-5p inhibition or CYLD overexpression repressed cell functions in HepG2 cells. SOX2 silencing decreased CCAT1, EGFR, and miR-222-5p expression but increased CYLD expression. Loss of SOX2 also reduced the growth rate of tumor xenografts. In summary, SOX2-mediated HCC progression through an axis involving CCAT1, EGFR, and miR-222-5p upregulation and CYLD downregulation.
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Affiliation(s)
- Jian Pu
- Department of Hepatobiliary Surgery, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise 533000, P.R. China
| | - Xianjian Wu
- Graduate College of Youjiang Medical University for Nationalities, Baise 533000, P.R. China
| | - Yi Wu
- Graduate College of Youjiang Medical University for Nationalities, Baise 533000, P.R. China
| | - Zesheng Shao
- Graduate College of Youjiang Medical University for Nationalities, Baise 533000, P.R. China
| | - Chunying Luo
- Department of Pathology, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise 533000, P.R. China
| | - Qianli Tang
- Department of Hepatobiliary Surgery, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise 533000, P.R. China
| | - Jianchu Wang
- Department of Hepatobiliary Surgery, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise 533000, P.R. China
| | - Huamei Wei
- Department of Pathology, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise 533000, P.R. China
| | - Yuan Lu
- Department of Hepatobiliary Surgery, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise 533000, P.R. China.,Graduate College of Youjiang Medical University for Nationalities, Baise 533000, P.R. China
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Park DJ, Ha S, Choi JS, Lee SH, Park JE, Seo YJ. Induced Short-Term Hearing Loss due to Stimulation of Age-Related Factors by Intermittent Hypoxia, High-Fat Diet, and Galactose Injection. Int J Mol Sci 2020; 21:ijms21197068. [PMID: 32992845 PMCID: PMC7582260 DOI: 10.3390/ijms21197068] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Revised: 09/23/2020] [Accepted: 09/23/2020] [Indexed: 12/17/2022] Open
Abstract
Age-related hearing loss (ARHL) is the most common sensory disorder among the elderly, associated with aging and auditory hair cell death due to oxidative-stress-induced mitochondrial dysfunction. Although transgenic mice and long-term aging induction cultures have been used to study ARHL, there are currently no ARHL animal models that can be stimulated by intermittent environmental changes. In this study, an ARHL animal model was established by inducing continuous oxidative stress to promote short-term aging of cells, determined on the basis of expression of hearing-loss-induced phenotypes and aging-related factors. The incidence of hearing loss was significantly higher in dual- and triple-exposure conditions than in intermittent hypoxic conditions, high-fat diet (HFD), or d-galactose injection alone. Continuous oxidative stress and HFD accelerated cellular aging. An increase in Ucp2, usually expressed during mitochondrial dysfunction, was observed. Expression of Cdh23, Slc26a4, Kcnq4, Myo7a, and Myo6, which are ARHL-related factors, were modified by oxidative stress in the cells of the hearing organ. We found that intermittent hypoxia, HFD, and galactose injection accelerated cellular aging in the short term. Thus, we anticipate that the development of this hearing loss animal model, which reflects the effects of intermittent environmental changes, will benefit future research on ARHL.
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Affiliation(s)
- Dong Jun Park
- Department of Otorhinolaryngology, Yonsei University Wonju College of Medicine, 20 Ilsan-ro, Wonju, Gangwon-do 26426, Korea; (D.J.P.); (J.S.C.); (S.H.L.)
| | - Sunmok Ha
- Department of Biomedical Laboratory Science, College of Health Sciences, Yonsei University, wonju 26493, Korea;
| | - Jin Sil Choi
- Department of Otorhinolaryngology, Yonsei University Wonju College of Medicine, 20 Ilsan-ro, Wonju, Gangwon-do 26426, Korea; (D.J.P.); (J.S.C.); (S.H.L.)
| | - Su Hoon Lee
- Department of Otorhinolaryngology, Yonsei University Wonju College of Medicine, 20 Ilsan-ro, Wonju, Gangwon-do 26426, Korea; (D.J.P.); (J.S.C.); (S.H.L.)
| | - Jeong-Eun Park
- Department of Otorhinolaryngology Head and Neck Surgery, Hallym University College of Medicine, Dongtan Sacred Heart Hospital, Hwaseong 18450, Korea;
| | - Young Joon Seo
- Department of Otorhinolaryngology, Yonsei University Wonju College of Medicine, 20 Ilsan-ro, Wonju, Gangwon-do 26426, Korea; (D.J.P.); (J.S.C.); (S.H.L.)
- Correspondence: ; Tel.: +82-33-741-0644
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Cui Z, Kang H, Grandis JR, Johnson DE. CYLD Alterations in the Tumorigenesis and Progression of Human Papillomavirus-Associated Head and Neck Cancers. Mol Cancer Res 2020; 19:14-24. [PMID: 32883697 DOI: 10.1158/1541-7786.mcr-20-0565] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Revised: 08/10/2020] [Accepted: 09/01/2020] [Indexed: 11/16/2022]
Abstract
Genetic alterations of CYLD lysine 63 deubiquitinase (CYLD), a tumor-suppressor gene encoding a deubiquitinase (DUB) enzyme, are associated with the formation of tumors in CYLD cutaneous syndrome. Genome sequencing efforts have revealed somatic CYLD alterations in multiple human cancers. Moreover, in cancers commonly associated with human papillomavirus (HPV) infection (e.g., head and neck squamous cell carcinoma), CYLD alterations are preferentially observed in the HPV-positive versus HPV-negative form of the disease. The CYLD enzyme cleaves K63-linked polyubiquitin from substrate proteins, resulting in the disassembly of key protein complexes and the inactivation of growth-promoting signaling pathways, including pathways mediated by NF-κB, Wnt/β-catenin, and c-Jun N-terminal kinases. Loss-of-function CYLD alterations lead to aberrant activation of these signaling pathways, promoting tumorigenesis and malignant transformation. This review summarizes the association and potential role of CYLD somatic mutations in HPV-positive cancers, with particular emphasis on the role of these alterations in tumorigenesis, invasion, and metastasis. Potential therapeutic strategies for patients whose tumors harbor CYLD alterations are also discussed. IMPLICATIONS: Alterations in CYLD gene are associated with HPV-associated cancers, contribute to NF-κB activation, and are implicated in invasion and metastasis.
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Affiliation(s)
- Zhibin Cui
- Department of Otolaryngology - Head and Neck Surgery, University of California San Francisco, San Francisco, California.
| | - Hyunseok Kang
- Department of Medicine, University of California San Francisco, San Francisco, California
| | - Jennifer R Grandis
- Department of Otolaryngology - Head and Neck Surgery, University of California San Francisco, San Francisco, California
| | - Daniel E Johnson
- Department of Otolaryngology - Head and Neck Surgery, University of California San Francisco, San Francisco, California
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