1
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Tecalco-Cruz AC, Zepeda-Cervantes J. Protein ISGylation: a posttranslational modification with implications for malignant neoplasms. EXPLORATION OF TARGETED ANTI-TUMOR THERAPY 2023; 4:699-715. [PMID: 37711589 PMCID: PMC10497404 DOI: 10.37349/etat.2023.00162] [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: 05/01/2023] [Accepted: 07/05/2023] [Indexed: 09/16/2023] Open
Abstract
Interferon (IFN)-stimulated gene 15 (ISG15) is a member of the ubiquitin-like (UBL) protein family that can modify specific proteins via a catalytic process called ISGylation. This posttranslational modification can modulate the stability of the ISGylated proteins and protein-protein interactions. Some proteins modified by ISG15 have been identified in malignant neoplasms, suggesting the functional relevance of ISGylation in cancer. This review discusses the ISGylated proteins reported in malignant neoplasms that suggest the potential of ISG15 as a biomarker and therapeutic target in cancer.
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Affiliation(s)
- Angeles C. Tecalco-Cruz
- Postgraduate in Genomic Sciences, Campus Del Valle, Autonomous University of Mexico City (UACM), CDMX 03100, Mexico
| | - Jesús Zepeda-Cervantes
- Department of Microbiology and Immunology, Faculty of Veterinary Medicine and Zootechnics, National Autonomous University of Mexico (UNAM), CDMX 04510, Mexico
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2
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Yang WS, Caliva MJ, Khadka VS, Tiirikainen M, Matter ML, Deng Y, Ramos JW. RSK1 and RSK2 serine/threonine kinases regulate different transcription programs in cancer. Front Cell Dev Biol 2023; 10:1015665. [PMID: 36684450 PMCID: PMC9845784 DOI: 10.3389/fcell.2022.1015665] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Accepted: 12/12/2022] [Indexed: 01/06/2023] Open
Abstract
The 90 kDa ribosomal S6 kinases (RSKs) are serine threonine kinases comprising four isoforms. The isoforms can have overlapping functions in regulation of migration, invasion, proliferation, survival, and transcription in various cancer types. However, isoform specific differences in RSK1 versus RSK2 functions in gene regulation are not yet defined. Here, we delineate ribosomal S6 kinases isoform-specific transcriptional gene regulation by comparing transcription programs in RSK1 and RSK2 knockout cells using microarray analysis. Microarray analysis revealed significantly different mRNA expression patterns between RSK1 knockout and RSK2 knockout cell lines. Importantly some of these functions have not been previously recognized. Our analysis revealed RSK1 has specific roles in cell adhesion, cell cycle regulation and DNA replication and repair pathways, while RSK2 has specific roles in the immune response and interferon signaling pathways. We further validated that the identified gene sets significantly correlated with mRNA datasets from cancer patients. We examined the functional significance of the identified transcriptional programs using cell assays. In alignment with the microarray analysis, we found that RSK1 modulates the mRNA and protein expression of Fibronectin1, affecting cell adhesion and CDK2, affecting S-phase arrest in the cell cycle, and impairing DNA replication and repair. Under similar conditions, RSK2 showed increased ISG15 transcriptional expression, affecting the immune response pathway and cytokine expression. Collectively, our findings revealed the occurrence of RSK1 and RSK2 specific transcriptional regulation, defining separate functions of these closely related isoforms.
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Affiliation(s)
- Won Seok Yang
- Cancer Biology Program, University of Hawaii Cancer Center, University of Hawaii at Mānoa, Honolulu, HI, United States
| | - Maisel J. Caliva
- Cancer Biology Program, University of Hawaii Cancer Center, University of Hawaii at Mānoa, Honolulu, HI, United States
| | - Vedbar S. Khadka
- Department of Quantitative Health Sciences, John A. Burns School of Medicine, University of Hawaii at Manoa, Honolulu, HI, United States
| | - Maarit Tiirikainen
- Cancer Biology Program, University of Hawaii Cancer Center, University of Hawaii at Mānoa, Honolulu, HI, United States
| | - Michelle L. Matter
- Cancer Biology Program, University of Hawaii Cancer Center, University of Hawaii at Mānoa, Honolulu, HI, United States
| | - Youping Deng
- Department of Quantitative Health Sciences, John A. Burns School of Medicine, University of Hawaii at Manoa, Honolulu, HI, United States
| | - Joe W. Ramos
- Cancer Biology Program, University of Hawaii Cancer Center, University of Hawaii at Mānoa, Honolulu, HI, United States
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3
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Melanson G, Du Bois AC, Webster C, Uniacke J. ISGylation
directly modifies hypoxia‐inducible factor‐2α and enhances its polysome association. FEBS Lett 2022; 596:2834-2850. [DOI: 10.1002/1873-3468.14476] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Revised: 07/28/2022] [Accepted: 08/15/2022] [Indexed: 11/11/2022]
Affiliation(s)
- Gaelan Melanson
- Department of Molecular and Cellular Biology University of Guelph Guelph Ontario Canada
| | - Antonia C. Du Bois
- Department of Molecular and Cellular Biology University of Guelph Guelph Ontario Canada
| | - Caroline Webster
- Department of Molecular and Cellular Biology University of Guelph Guelph Ontario Canada
| | - James Uniacke
- Department of Molecular and Cellular Biology University of Guelph Guelph Ontario Canada
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4
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Wu R, Li P, Wang Y, Su N, Xiao M, Li X, Shang N. Structural analysis and anti-cancer activity of low-molecular-weight chondroitin sulfate from hybrid sturgeon cartilage. Carbohydr Polym 2022; 275:118700. [PMID: 34742426 DOI: 10.1016/j.carbpol.2021.118700] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Revised: 09/15/2021] [Accepted: 09/20/2021] [Indexed: 12/30/2022]
Abstract
Low-molecular-weight chondroitin sulfate (CS) has attracted widespread attention due to its better bioavailability and bioactivity than native CS. In this study, a low-molecular-weight CS (named SCS-F2) was prepared from hybrid sturgeon (Acipenser schrenckii × Huso dauricus) cartilage by enzymatic depolymerization with high in vitro absorption and anti-cancer activity. The structure of SCS-F2 was characterized and the in vivo biodistribution and colorectal cancer prevention effect was investigated. The results revealed that SCS-F2 consisted of 48.84% ΔDi-6S [GlcUAβ1-3GalNAc(6S)], 32.11% ΔDi-4S [GlcUAβ1-3GalNAc(4S)], 16.05% ΔDi-2S,6S [GlcUA(2S)β1-3GalNAc(6S)] and 3.0% ΔDi-0S [GlcUAβ1-3GalNAc]. Animal study showed that the SCS-F2 could be effectively absorbed and delivered to the tumor site and significantly prevented the growth of HT-29 xenograft by inhibiting cell proliferation and inducing apoptosis without showing any negative effect to normal tissues. Therefore, SCS-F2 could be developed as a potential nutraceutical to protect against colorectal cancer.
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Affiliation(s)
- Ruiyun Wu
- Key Laboratory of Functional Dairy, Ministry of Education, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China.
| | - Pinglan Li
- Key Laboratory of Functional Dairy, Ministry of Education, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China.
| | - Yi Wang
- MOE Laboratory for Industrial Biocatalysis, Institute of Biochemical Engineering, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China.
| | - Nan Su
- MOE Laboratory for Industrial Biocatalysis, Institute of Biochemical Engineering, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
| | - Mengyuan Xiao
- Key Laboratory of Functional Dairy, Ministry of Education, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China
| | - Xiaojun Li
- Yangzhou Borui Saccharide Biotech Co., Ltd, Jiangsu 225000, China
| | - Nan Shang
- College of Engineering, China Agricultural University, Beijing 100083, China; Key Laboratory of Precision Nutrition and Food Quality, Department of Nutrition and Health, China Agricultural University, Beijing 100083, China.
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5
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Hayman TJ, Glazer PM. Regulation of the Cell-Intrinsic DNA Damage Response by the Innate Immune Machinery. Int J Mol Sci 2021; 22:12761. [PMID: 34884568 PMCID: PMC8657976 DOI: 10.3390/ijms222312761] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Revised: 11/19/2021] [Accepted: 11/22/2021] [Indexed: 12/22/2022] Open
Abstract
Maintenance of genomic integrity is crucial for cell survival. As such, elegant DNA damage response (DDR) systems have evolved to ensure proper repair of DNA double-strand breaks (DSBs) and other lesions that threaten genomic integrity. Towards this end, most therapeutic studies have focused on understanding of the canonical DNA DSB repair pathways to enhance the efficacy of DNA-damaging therapies. While these approaches have been fruitful, there has been relatively limited success to date and potential for significant normal tissue toxicity. With the advent of novel immunotherapies, there has been interest in understanding the interactions of radiation therapy with the innate and adaptive immune responses, with the ultimate goal of enhancing treatment efficacy. While a substantial body of work has demonstrated control of the immune-mediated (extrinsic) responses to DNA-damaging therapies by several innate immune pathways (e.g., cGAS-STING and RIG-I), emerging work demonstrates an underappreciated role of the innate immune machinery in directly regulating tumor cell-intrinsic/cell-autonomous responses to DNA damage.
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Affiliation(s)
- Thomas J. Hayman
- Department of Therapeutic Radiology, Yale University School of Medicine, New Haven, CT 06510, USA;
| | - Peter M. Glazer
- Department of Therapeutic Radiology, Yale University School of Medicine, New Haven, CT 06510, USA;
- Department of Genetics, Yale University School of Medicine, New Haven, CT 06510, USA
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6
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Hurley RM, McGehee CD, Nesic K, Correia C, Weiskittel TM, Kelly RL, Venkatachalam A, Hou X, Pathoulas NM, Meng XW, Kondrashova O, Radke MR, Schneider PA, Flatten KS, Peterson KL, Becker MA, Wong EM, Southey MS, Dobrovic A, Lin KK, Harding TC, McNeish I, Ross CA, Wagner JM, Wakefield MJ, Scott CL, Haluska P, Wahner Hendrickson AE, Karnitz LM, Swisher EM, Li H, Weroha SJ, Kaufmann SH. Characterization of a RAD51C-silenced high-grade serous ovarian cancer model during development of PARP inhibitor resistance. NAR Cancer 2021; 3:zcab028. [PMID: 34316715 PMCID: PMC8271218 DOI: 10.1093/narcan/zcab028] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Revised: 05/28/2021] [Accepted: 06/22/2021] [Indexed: 12/13/2022] Open
Abstract
Acquired PARP inhibitor (PARPi) resistance in BRCA1- or BRCA2-mutant ovarian cancer often results from secondary mutations that restore expression of functional protein. RAD51C is a less commonly studied ovarian cancer susceptibility gene whose promoter is sometimes methylated, leading to homologous recombination (HR) deficiency and PARPi sensitivity. For this study, the PARPi-sensitive patient-derived ovarian cancer xenograft PH039, which lacks HR gene mutations but harbors RAD51C promoter methylation, was selected for PARPi resistance by cyclical niraparib treatment in vivo. PH039 acquired PARPi resistance by the third treatment cycle and grew through subsequent treatment with either niraparib or rucaparib. Transcriptional profiling throughout the course of resistance development showed widespread pathway level changes along with a marked increase in RAD51C mRNA, which reflected loss of RAD51C promoter methylation. Analysis of ovarian cancer samples from the ARIEL2 Part 1 clinical trial of rucaparib monotherapy likewise indicated an association between loss of RAD51C methylation prior to on-study biopsy and limited response. Interestingly, the PARPi resistant PH039 model remained platinum sensitive. Collectively, these results not only indicate that PARPi treatment pressure can reverse RAD51C methylation and restore RAD51C expression, but also provide a model for studying the clinical observation that PARPi and platinum sensitivity are sometimes dissociated.
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Affiliation(s)
- Rachel M Hurley
- Department of Molecular Pharmacology and Experimental Therapeutics, Mayo Clinic, Rochester, MN 55905 USA
| | - Cordelia D McGehee
- Department of Molecular Pharmacology and Experimental Therapeutics, Mayo Clinic, Rochester, MN 55905 USA
| | - Ksenija Nesic
- The Walter and Eliza Hall Institute of Medical Research, Parkville, Victoria 3052, Australia
| | - Cristina Correia
- Department of Molecular Pharmacology and Experimental Therapeutics, Mayo Clinic, Rochester, MN 55905 USA
| | - Taylor M Weiskittel
- Department of Molecular Pharmacology and Experimental Therapeutics, Mayo Clinic, Rochester, MN 55905 USA
| | - Rebecca L Kelly
- Department of Molecular Pharmacology and Experimental Therapeutics, Mayo Clinic, Rochester, MN 55905 USA
| | - Annapoorna Venkatachalam
- Department of Molecular Pharmacology and Experimental Therapeutics, Mayo Clinic, Rochester, MN 55905 USA
| | - Xiaonan Hou
- Division of Medical Oncology, Mayo Clinic, Rochester, MN 55905 USA
| | | | - X Wei Meng
- Department of Molecular Pharmacology and Experimental Therapeutics, Mayo Clinic, Rochester, MN 55905 USA
| | - Olga Kondrashova
- The Walter and Eliza Hall Institute of Medical Research, Parkville, Victoria 3052, Australia
| | - Marc R Radke
- Department of Obstetrics & Gynecology, University of Washington, Seattle, WA 98195, USA
| | | | - Karen S Flatten
- Division of Oncology Research, Mayo Clinic, Rochester, MN 55905 USA
| | - Kevin L Peterson
- Division of Oncology Research, Mayo Clinic, Rochester, MN 55905 USA
| | - Marc A Becker
- Division of Medical Oncology, Mayo Clinic, Rochester, MN 55905 USA
| | - Ee Ming Wong
- Precision Medicine, School of Clinical Sciences at Monash Health, Monash University, Victoria 3800, Australia
| | - Melissa S Southey
- Precision Medicine, School of Clinical Sciences at Monash Health, Monash University, Victoria 3800, Australia
| | - Alexander Dobrovic
- University of Melbourne Department of Surgery, Austin Hospital, Heidelberg, Victoria 3084, Australia
| | - Kevin K Lin
- Clovis Oncology, San Francisco, CA 94158, USA
| | | | - Iain McNeish
- Division of Cancer, Department of Surgery and Cancer, Imperial College London, Hammersmith Campus, London, W12 0NN United Kingdom
| | - Christian A Ross
- Division of Information Technology, Mayo Clinic, Rochester, MN 55905, USA
| | - Jill M Wagner
- Division of Medical Oncology, Mayo Clinic, Rochester, MN 55905 USA
| | - Matthew J Wakefield
- The Walter and Eliza Hall Institute of Medical Research, Parkville, Victoria 3052, Australia
| | - Clare L Scott
- The Walter and Eliza Hall Institute of Medical Research, Parkville, Victoria 3052, Australia
| | - Paul Haluska
- Division of Medical Oncology, Mayo Clinic, Rochester, MN 55905 USA
| | | | - Larry M Karnitz
- Department of Molecular Pharmacology and Experimental Therapeutics, Mayo Clinic, Rochester, MN 55905 USA
| | - Elizabeth M Swisher
- Department of Obstetrics & Gynecology, University of Washington, Seattle, WA 98195, USA
| | - Hu Li
- Department of Molecular Pharmacology and Experimental Therapeutics, Mayo Clinic, Rochester, MN 55905 USA
| | - S John Weroha
- Division of Medical Oncology, Mayo Clinic, Rochester, MN 55905 USA
| | - Scott H Kaufmann
- Department of Molecular Pharmacology and Experimental Therapeutics, Mayo Clinic, Rochester, MN 55905 USA
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7
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Hayman TJ, Baro M, MacNeil T, Phoomak C, Aung TN, Cui W, Leach K, Iyer R, Challa S, Sandoval-Schaefer T, Burtness BA, Rimm DL, Contessa JN. STING enhances cell death through regulation of reactive oxygen species and DNA damage. Nat Commun 2021; 12:2327. [PMID: 33875663 PMCID: PMC8055995 DOI: 10.1038/s41467-021-22572-8] [Citation(s) in RCA: 72] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Accepted: 03/17/2021] [Indexed: 01/02/2023] Open
Abstract
Resistance to DNA-damaging agents is a significant cause of treatment failure and poor outcomes in oncology. To identify unrecognized regulators of cell survival we performed a whole-genome CRISPR-Cas9 screen using treatment with ionizing radiation as a selective pressure, and identified STING (stimulator of interferon genes) as an intrinsic regulator of tumor cell survival. We show that STING regulates a transcriptional program that controls the generation of reactive oxygen species (ROS), and that STING loss alters ROS homeostasis to reduce DNA damage and to cause therapeutic resistance. In agreement with these data, analysis of tumors from head and neck squamous cell carcinoma patient specimens show that low STING expression is associated with worse outcomes. We also demonstrate that pharmacologic activation of STING enhances the effects of ionizing radiation in vivo, providing a rationale for therapeutic combinations of STING agonists and DNA-damaging agents. These results highlight a role for STING that is beyond its canonical function in cyclic dinucleotide and DNA damage sensing, and identify STING as a regulator of cellular ROS homeostasis and tumor cell susceptibility to reactive oxygen dependent, DNA damaging agents.
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Affiliation(s)
- Thomas J Hayman
- Department of Therapeutic Radiology, Yale University School of Medicine, New Haven, CT, USA
| | - Marta Baro
- Department of Therapeutic Radiology, Yale University School of Medicine, New Haven, CT, USA
| | - Tyler MacNeil
- Department of Pathology, Yale University School of Medicine, New Haven, CT, USA
| | - Chatchai Phoomak
- Department of Therapeutic Radiology, Yale University School of Medicine, New Haven, CT, USA
| | - Thazin Nwe Aung
- Department of Pathology, Yale University School of Medicine, New Haven, CT, USA
| | - Wei Cui
- Department of Therapeutic Radiology, Yale University School of Medicine, New Haven, CT, USA
| | | | | | | | | | | | - David L Rimm
- Department of Pathology, Yale University School of Medicine, New Haven, CT, USA
| | - Joseph N Contessa
- Department of Therapeutic Radiology, Yale University School of Medicine, New Haven, CT, USA.
- Department of Pharmacology, Yale University, New Haven, CT, USA.
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8
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Kara A, Özgür A, Nalbantoğlu S, Karadağ A. DNA repair pathways and their roles in drug resistance for lung adenocarcinoma. Mol Biol Rep 2021; 48:3813-3825. [PMID: 33856604 DOI: 10.1007/s11033-021-06314-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Accepted: 03/24/2021] [Indexed: 01/24/2023]
Abstract
Lung cancer is the leading cancer type of death rate. The lung adenocarcinoma subtype is responsible for almost half of the total lung cancer deaths. Despite the improvements in cancer treatment in recent years, lung adenocarcinoma patients' overall survival rate remains poor. Immunetherapy and chemotherapy are two of the most widely used options for the treatment of cancer. Although many cancer types initially respond to these treatments, the development of resistance is inevitable. The rapid development of drug resistance mainly characterizes lung adenocarcinoma. Despite being the subject of many studies in recent years, the resistance initiation and progression mechanism is still unclear. In this review, we have examined the role of the primary DNA repair pathways (non-homologous end joining (NHEJ) pathway, homologous-recombinant repair (HR) pathway, base excision repair (BER) pathway, and nucleotide excision repair (NER) pathway and transactivation mechanisms of tumor protein 53 (TP53) in drug resistance development. This review suggests that mentioned pathways have essential roles in developing the resistance against chemotherapy and immunotherapy in lung adenocarcinoma patients.
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Affiliation(s)
- Altan Kara
- Molecular Oncology Laboratory, Genetic Engineering and Biotechnology Institute, TUBITAK Marmara Research Center, Kocaeli, Turkey.
| | - Aykut Özgür
- Laboratory and Veterinary Health Program, Department of Veterinary Medicine, Artova Vocational School, Tokat Gaziosmanpaşa University, Tokat, Turkey
| | - Sinem Nalbantoğlu
- Molecular Oncology Laboratory, Genetic Engineering and Biotechnology Institute, TUBITAK Marmara Research Center, Kocaeli, Turkey
| | - Abdullah Karadağ
- Molecular Oncology Laboratory, Genetic Engineering and Biotechnology Institute, TUBITAK Marmara Research Center, Kocaeli, Turkey
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9
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Tecalco-Cruz AC. Molecular Pathways of Interferon-Stimulated Gene 15: Implications in Cancer. Curr Protein Pept Sci 2021; 22:19-28. [DOI: 10.2174/1389203721999201208200747] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Revised: 10/18/2020] [Accepted: 11/02/2020] [Indexed: 12/20/2022]
Abstract
Human interferon-stimulated gene 15 (ISG15) is a 15-kDa ubiquitin-like protein that
can be detected as either free ISG15 or covalently associated with its target proteins through a process
termed ISGylation. Interestingly, extracellular free ISG15 has been proposed as a cytokinelike
protein, whereas ISGylation is a posttranslational modification. ISG15 is a small protein with
implications in some biological processes and pathologies that include cancer. This review highlights
the findings of both free ISG15 and protein ISGylation involved in several molecular pathways,
emerging as central elements in some cancer types.
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Affiliation(s)
- Angeles C. Tecalco-Cruz
- Programa en Ciencias Genomicas, Universidad Autonoma de la Ciudad de Mexico (UACM), Apdo. Postal 03100, Ciudad de Mexico, Mexico
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10
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Zhang Q, Wang J, Qiao H, Huyan L, Liu B, Li C, Jiang J, Zhao F, Wang H, Yan J. ISG15 is downregulated by KLF12 and implicated in maintenance of cancer stem cell-like features in cisplatin-resistant ovarian cancer. J Cell Mol Med 2021; 25:4395-4407. [PMID: 33797839 PMCID: PMC8093991 DOI: 10.1111/jcmm.16503] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Revised: 03/17/2021] [Accepted: 03/18/2021] [Indexed: 12/12/2022] Open
Abstract
Drug resistance is often developed during clinical chemotherapy of ovarian cancers. The ubiquitin‐like protein interferon‐stimulated gene 15 (ISG15) is possibly dependent on tumour context to promote or suppress progression of various tumours. The ubiquitin‐like protein interferon‐stimulated gene 15 (ISG15) was decreased in cisplatin‐resistant ovarian cancer cells. The current study identified that both ectopic wild type and nonISGylatable mutant ISG15 expression inhibited CSC‐like phenotypes of cisplatin‐resistant ovarian cancer cells. Moreover, ectopic ISG15 expression suppressed tumour formation in nude mice. In addition, ISG15 downregulation promoted CSC‐like features of cisplatin‐sensitive ovarian cancer cells. Furthermore, low ISG15 expression was associated with poor prognosis in patients with ovarian cancer. Transcriptional repressor Krüppel‐like factor 12 (KLF12) downregulated ISG15 in cisplatin‐resistant cells. Our data indicated that downregulating ISG15 expression, via weakening effect of KLF12, might be considered as new therapeutic strategy to inhibit CSC phenotypes in the treatment of cisplatin‐resistant ovarian cancer.
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Affiliation(s)
- Qi Zhang
- Department of Biochemistry & Molecular Biology, China Medical University, Shenyang, China.,Criminal Investigation Police University of China, Shenyang, China
| | - Jiamei Wang
- Department of Biochemistry & Molecular Biology, China Medical University, Shenyang, China.,Clinical Medical Laboratory, The 1st Affiliated Hospital, China Medical University, Shenyang, China
| | - Huaiyu Qiao
- Department of Biochemistry & Molecular Biology, China Medical University, Shenyang, China
| | - Lingyue Huyan
- 5+3 Integrated Clinical Medicine 103K, China Medical University, Shenyang, China
| | - Baoqin Liu
- Department of Biochemistry & Molecular Biology, China Medical University, Shenyang, China
| | - Chao Li
- Department of Biochemistry & Molecular Biology, China Medical University, Shenyang, China
| | - Jingyi Jiang
- Department of Biochemistry & Molecular Biology, China Medical University, Shenyang, China
| | - Fuying Zhao
- Department of Biochemistry & Molecular Biology, China Medical University, Shenyang, China
| | - Huaqin Wang
- Department of Biochemistry & Molecular Biology, China Medical University, Shenyang, China
| | - Jing Yan
- Department of Biochemistry & Molecular Biology, China Medical University, Shenyang, China
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11
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Lo AKF, Dawson CW, Lung HL, Wong KL, Young LS. The Role of EBV-Encoded LMP1 in the NPC Tumor Microenvironment: From Function to Therapy. Front Oncol 2021; 11:640207. [PMID: 33718235 PMCID: PMC7947715 DOI: 10.3389/fonc.2021.640207] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Accepted: 01/21/2021] [Indexed: 12/19/2022] Open
Abstract
Nasopharyngeal carcinoma (NPC) is closely associated with Epstein-Barr virus (EBV) infection. It is also characterized by heavy infiltration with non-malignant leucocytes. The EBV-encoded latent membrane protein 1 (LMP1) is believed to play an important role in NPC pathogenesis by virtue of its ability to activate multiple cell signaling pathways which collectively promote cell proliferation and survival, angiogenesis, invasiveness, and aerobic glycolysis. LMP1 also affects cell-cell interactions, antigen presentation, and cytokine and chemokine production. Here, we discuss how LMP1 modulates local immune responses that contribute to the establishment of the NPC tumor microenvironment. We also discuss strategies for targeting the LMP1 protein as a novel therapy for EBV-driven malignancies.
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Affiliation(s)
| | | | - Hong Lok Lung
- Department of Biology, Hong Kong Baptist University, Hong Kong, China
| | - Ka-Leung Wong
- Department of Chemistry, Hong Kong Baptist University, Hong Kong, China
| | - Lawrence S. Young
- Warwick Medical School, University of Warwick, Coventry, United Kingdom
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12
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Kim YE, Kim EK, Song MJ, Kim TY, Jang HH, Kang D. SILAC-Based Quantitative Proteomic Analysis of Oxaliplatin-Resistant Pancreatic Cancer Cells. Cancers (Basel) 2021; 13:cancers13040724. [PMID: 33578797 PMCID: PMC7916634 DOI: 10.3390/cancers13040724] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Accepted: 02/07/2021] [Indexed: 12/13/2022] Open
Abstract
Simple Summary Resistance to oxaliplatin remains a major challenge in pancreatic cancer therapy. However, molecular mechanisms underlying oxaliplatin resistance in pancreatic cancer is still unclear. The aim of this study was to identify global changes of proteins involved in oxaliplatin resistance in pancreatic cancer cells, thereby elucidating the multiple mechanisms of oxaliplatin resistance in pancreatic cancer. We presented the quantitative proteomic profiling of oxaliplatin-resistant pancreatic cancer cells via a stable isotope labelling by amino acids in cell culture (SILAC)-based shotgun proteomic approach. Multiple biological processes including DNA repair, cell cycle process, and type I interferon signaling pathway were enriched in oxaliplatin-resistant pancreatic cancer cells. Furthermore, we demonstrated that both Wntless homolog protein (WLS) and myristoylated alanine-rich C-kinase substrate (MARCKS) could participate in oxaliplatin resistance in pancreatic cancer cells. Abstract Oxaliplatin is a commonly used chemotherapeutic drug for the treatment of pancreatic cancer. Understanding the cellular mechanisms of oxaliplatin resistance is important for developing new strategies to overcome drug resistance in pancreatic cancer. In this study, we performed a stable isotope labelling by amino acids in cell culture (SILAC)-based quantitative proteomics analysis of oxaliplatin-resistant and sensitive pancreatic cancer PANC-1 cells. We identified 107 proteins whose expression levels changed (thresholds of 2-fold changes and p-value ≤ 0.05) between oxaliplatin-resistant and sensitive cells, which were involved in multiple biological processes, including DNA repair, cell cycle process, and type I interferon signaling pathway. Notably, myristoylated alanine-rich C-kinase substrate (MARCKS) and Wntless homolog protein (WLS) were upregulated in oxaliplatin-resistant cells compared to sensitive cells, as confirmed by qRT-PCR and Western blot analysis. We further demonstrated the activation of AKT and β-catenin signaling (downstream targets of MARCKS and WLS, respectively) in oxaliplatin-resistant PANC-1 cells. Additionally, we show that the siRNA-mediated suppression of both MARCKS and WLS enhanced oxaliplatin sensitivity in oxaliplatin-resistant PANC-1 cells. Taken together, our results provide insights into multiple mechanisms of oxaliplatin resistance in pancreatic cancer cells and reveal that MARCKS and WLS might be involved in the oxaliplatin resistance.
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Affiliation(s)
- Young Eun Kim
- Center for Bioanalysis, Division of Chemical and Medical Metrology, Korea Research Institute of Standards and Science, Daejeon 34113, Korea;
- School of Earth Sciences and Environmental Engineering, Gwangju Institute of Science and Technology, Gwangju 61005, Korea;
| | - Eun-Kyung Kim
- Department of Biochemistry, College of Medicine, Gachon University, Incheon 21999, Korea; (E.-K.K.); (M.-J.S.)
| | - Min-Jeong Song
- Department of Biochemistry, College of Medicine, Gachon University, Incheon 21999, Korea; (E.-K.K.); (M.-J.S.)
| | - Tae-Young Kim
- School of Earth Sciences and Environmental Engineering, Gwangju Institute of Science and Technology, Gwangju 61005, Korea;
| | - Ho Hee Jang
- Department of Biochemistry, College of Medicine, Gachon University, Incheon 21999, Korea; (E.-K.K.); (M.-J.S.)
- Correspondence: (H.H.J.); (D.K.)
| | - Dukjin Kang
- Center for Bioanalysis, Division of Chemical and Medical Metrology, Korea Research Institute of Standards and Science, Daejeon 34113, Korea;
- Correspondence: (H.H.J.); (D.K.)
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13
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More than Meets the ISG15: Emerging Roles in the DNA Damage Response and Beyond. Biomolecules 2020; 10:biom10111557. [PMID: 33203188 PMCID: PMC7698331 DOI: 10.3390/biom10111557] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Revised: 11/11/2020] [Accepted: 11/12/2020] [Indexed: 12/13/2022] Open
Abstract
Maintenance of genome stability is a crucial priority for any organism. To meet this priority, robust signalling networks exist to facilitate error-free DNA replication and repair. These signalling cascades are subject to various regulatory post-translational modifications that range from simple additions of chemical moieties to the conjugation of ubiquitin-like proteins (UBLs). Interferon Stimulated Gene 15 (ISG15) is one such UBL. While classically thought of as a component of antiviral immunity, ISG15 has recently emerged as a regulator of genome stability, with key roles in the DNA damage response (DDR) to modulate p53 signalling and error-free DNA replication. Additional proteomic analyses and cancer-focused studies hint at wider-reaching, uncharacterised functions for ISG15 in genome stability. We review these recent discoveries and highlight future perspectives to increase our understanding of this multifaceted UBL in health and disease.
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Liao X, Gao Y, Liu J, Tao L, Xie J, Gu Y, Liu T, Wang D, Xie D, Mo S. Combination of Tanshinone IIA and Cisplatin Inhibits Esophageal Cancer by Downregulating NF-κB/COX-2/VEGF Pathway. Front Oncol 2020; 10:1756. [PMID: 33014864 PMCID: PMC7511800 DOI: 10.3389/fonc.2020.01756] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2020] [Accepted: 08/05/2020] [Indexed: 11/13/2022] Open
Abstract
Cisplatin (DDP) represents one of the common drugs used for esophageal squamous cell carcinoma (ESCC), but side effects associated with DDP and drug resistance lead to the failure of treatment. This study aimed to understand whether tanshinone IIA (tan IIA) and DDP could generate a synergistic antitumor effect on ESCC cells. Tan IIA and DDP are demonstrated to restrain ESCC cell proliferation in a time- and dose-dependent mode. Tan IIA and DDP at a ratio of 2:1 present a synergistic effect on ESCC cells. The combination suppresses cell migration and invasion abilities, arrests the cell cycle, and causes apoptosis in HK and K180 cells. Molecular docking indicates that tan IIA and DDP could be docked into active sites with the tested proteins. In all treated groups, the expression levels of E-cadherin, β-catenin, Bax, cleaved caspase-9, P21, P27, and c-Fos were upregulated, and the expression levels of fibronectin, vimentin, Bcl-2, cyclin D1, p-Akt, p-ERK, p-JNK, P38, COX-2, VEGF, IL-6, NF-κB, and c-Jun proteins were downregulated. Among these, the combination induced the most significant difference. Our results suggest that tan IIA could be a novel treatment for combination therapy for ESCC.
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Affiliation(s)
- Xiaozhong Liao
- Department of Traditional Chinese Medicine, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China.,State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China.,Department of Oncology, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Ying Gao
- Department of Traditional Chinese Medicine, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Jiahui Liu
- Department of Traditional Chinese Medicine, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China.,Department of Oncology, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Lanting Tao
- Department of Traditional Chinese Medicine, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Jun Xie
- Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
| | - Yueyu Gu
- The Second Clinical College, Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Taoli Liu
- The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, China
| | - Dongmei Wang
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, China
| | - Dan Xie
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Suilin Mo
- Department of Traditional Chinese Medicine, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
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15
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Murakami M, Izumi H, Kurita T, Koi C, Morimoto Y, Yoshino K. UBE2L6 is Involved in Cisplatin Resistance by Regulating the Transcription of ABCB6. Anticancer Agents Med Chem 2020; 20:1487-1496. [DOI: 10.2174/1871520620666200424130934] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2019] [Revised: 03/09/2020] [Accepted: 03/20/2020] [Indexed: 12/18/2022]
Abstract
Background:
Cisplatin is an important anticancer agent in cancer chemotherapy, but when resistant
cells appear, treatment becomes difficult, and the prognosis is poor.
Objective:
In this study, we investigated the gene expression profile in cisplatin sensitive and resistant cells, and
identified the genes involved in cisplatin resistance.
Methods:
Comparison of gene expression profiles revealed that UBE2L6 mRNA is highly expressed in resistant
cells. To elucidate whether UBE2L6 is involved in the acquisition of cisplatin resistance, UBE2L6-
overexpressing cells established from cisplatin-sensitive cells and UBE2L6-silenced cells developed from cisplatin-
resistant cells were generated, and the sensitivity of cisplatin was examined.
Results:
The sensitivity of the UBE2L6-overexpressing cells did not change compared with the control cells, but
the UBE2L6-silenced cells were sensitized to cisplatin. To elucidate the mechanism of UBE2L6 in cisplatin
resistance, we compared the gene expression profiles of UBE2L6-silenced cells and control cells and found that
the level of ABCB6 mRNA involved in cisplatin resistance was decreased. Moreover, ABCB6 promoter activity
was partially suppressed in UBE2L6-silenced cells.
Conclusion:
These results suggest that cisplatin-resistant cells have upregulated UBE2L6 expression and contribute
to cisplatin resistance by regulating ABCB6 expression at the transcriptional level. UBE2L6 might be a
molecular target that overcomes cisplatin resistance.
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Affiliation(s)
- Midori Murakami
- Department of Obstetrics and Gynecology, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Fukuoka, Japan
| | - Hiroto Izumi
- Department of Occupational Pneumology, Institute of Industrial Ecological Sciences, University of Occupational and Environmental Health, Kitakyushu, Fukuoka, Japan
| | - Tomoko Kurita
- Department of Obstetrics and Gynecology, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Fukuoka, Japan
| | - Chiho Koi
- Department of Obstetrics and Gynecology, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Fukuoka, Japan
| | - Yasuo Morimoto
- Department of Occupational Pneumology, Institute of Industrial Ecological Sciences, University of Occupational and Environmental Health, Kitakyushu, Fukuoka, Japan
| | - Kiyoshi Yoshino
- Department of Obstetrics and Gynecology, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Fukuoka, Japan
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16
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Ubiquitin-like proteins in the DNA damage response: the next generation. Essays Biochem 2020; 64:737-752. [DOI: 10.1042/ebc20190095] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2020] [Revised: 04/20/2020] [Accepted: 05/01/2020] [Indexed: 12/29/2022]
Abstract
AbstractDNA suffers constant insult from a variety of endogenous and exogenous sources. To deal with the arising lesions, cells have evolved complex and coordinated pathways, collectively termed the DNA damage response (DDR). Importantly, an improper DDR can lead to genome instability, premature ageing and human diseases, including cancer as well as neurodegenerative disorders. As a crucial process for cell survival, regulation of the DDR is multi-layered and includes several post-translational modifications. Since the discovery of ubiquitin in 1975 and the ubiquitylation cascade in the early 1980s, a number of ubiquitin-like proteins (UBLs) have been identified as post-translational modifiers. However, while the importance of ubiquitin and the UBLs SUMO and NEDD8 in DNA damage repair and signalling is well established, the roles of the remaining UBLs in the DDR are only starting to be uncovered. Herein, we revise the current status of the UBLs ISG15, UBL5, FAT10 and UFM1 as emerging co-regulators of DDR processes. In fact, it is becoming clear that these post-translational modifiers play important pleiotropic roles in DNA damage and/or associated stress-related cellular responses. Expanding our understanding of the molecular mechanisms underlying these emerging UBL functions will be fundamental for enhancing our knowledge of the DDR and potentially provide new therapeutic strategies for various human diseases including cancer.
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ISG15 suppresses translation of ABCC2 via ISGylation of hnRNPA2B1 and enhances drug sensitivity in cisplatin resistant ovarian cancer cells. BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR CELL RESEARCH 2020; 1867:118647. [PMID: 31926942 DOI: 10.1016/j.bbamcr.2020.118647] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2019] [Revised: 12/30/2019] [Accepted: 01/07/2020] [Indexed: 12/11/2022]
Abstract
Cisplatin-based chemotherapies have long been considered as a standard chemotherapy in ovarian cancer. However, cisplatin resistance restricts beneficial therapy for patients with ovarian cancer. The ubiquitin-like protein interferon-stimulated gene 15 (ISG15) encodes a 15-kDa protein, that is implicated in the post-translational modification of diverse proteins. In this work, we found that ISG15 was downregulated in cisplatin resistant tissues and cell lines of ovarian cancer. Functional studies demonstrated that overexpression of wild type (WT) ISG15, but not nonISGylatable (Mut) ISG15 increased cell responses to cisplatin in resistant ovarian cancer cells. Furthermore, we found that WT ISG15 decreased ABCC2 expression at the protein level. Importantly, overexpression of ABCC2 blocked sensitizing effect of ISG15 on cisplatin. In addition, we identified that hnRNPA2B1 was recruited to 5'UTR of ABCC2 mRNA and promoted its translation, which was blocked by ISG15. We further demonstrated that hnRNPA2B1 could be ISGylated, and ISGylation blocked its recruitment to ABCC2 mRNA, thereby suppressed translation of ABCC2. Altogether, our data support targeting ISG15 might be a potential therapeutic strategy for patients with cisplatin-resistant ovarian cancer.
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Bioinformatics Analysis of Potential Key Genes in Trastuzumab-Resistant Gastric Cancer. DISEASE MARKERS 2019; 2019:1372571. [PMID: 31949544 PMCID: PMC6948351 DOI: 10.1155/2019/1372571] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/06/2019] [Revised: 10/03/2019] [Accepted: 11/09/2019] [Indexed: 12/24/2022]
Abstract
Background This study was performed to identify genes related to acquired trastuzumab resistance in gastric cancer (GC) and to analyze their prognostic value. Methods The gene expression profile GSE77346 was downloaded from the Gene Expression Omnibus (GEO) database. Differentially expressed genes (DEGs) were obtained by using GEO2R. Functional and pathway enrichment was analyzed by using Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG). Search Tool for the Retrieval of Interacting Genes (STRING), Cytoscape, and MCODE were then used to construct the protein-protein interaction (PPI) network and identify hub genes. Finally, the relationship between hub genes and overall survival (OS) was analyzed by using the online Kaplan-Meier plotter tool. Results A total of 327 DEGs were screened and were mainly enriched in terms related to pathways in cancer, signaling pathways regulating stem cell pluripotency, HTLV-I infection, and ECM-receptor interactions. A PPI network was constructed, and 18 hub genes (including one upregulated gene and seventeen downregulated genes) were identified based on the degrees and MCODE scores of the PPI network. Finally, the expression of four hub genes (ERBB2, VIM, EGR1, and PSMB8) was found to be related to the prognosis of HER2-positive (HER2+) gastric cancer. However, the prognostic value of the other hub genes was controversial; interestingly, most of these genes were interferon- (IFN-) stimulated genes (ISGs). Conclusions Overall, we propose that the four hub genes may be potential targets in trastuzumab-resistant gastric cancer and that ISGs may play a key role in promoting trastuzumab resistance in GC.
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Naß J, Efferth T. Insights into apoptotic proteins in chemotherapy: quantification techniques and informing therapy choice. Expert Rev Proteomics 2018; 15:413-429. [DOI: 10.1080/14789450.2018.1468755] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Janine Naß
- Department of Pharmaceutical Biology, Institute of Biochemistry and Pharmacy, Johannes Gutenberg University, Mainz, Germany
| | - Thomas Efferth
- Department of Pharmaceutical Biology, Institute of Biochemistry and Pharmacy, Johannes Gutenberg University, Mainz, Germany
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