1
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Shkreta L, Toutant J, Delannoy A, Durantel D, Salvetti A, Ehresmann S, Sauvageau M, Delbrouck JA, Gravel-Trudeau A, Comeau C, Huard C, Coulombe-Huntington J, Tyers M, Grierson D, Boudreault PL, Chabot B. The anticancer potential of the CLK kinases inhibitors 1C8 and GPS167 revealed by their impact on the epithelial-mesenchymal transition and the antiviral immune response. Oncotarget 2024; 15:313-325. [PMID: 38753413 PMCID: PMC11098031 DOI: 10.18632/oncotarget.28585] [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: 03/27/2024] [Accepted: 05/06/2024] [Indexed: 05/18/2024] Open
Abstract
The diheteroarylamide-based compound 1C8 and the aminothiazole carboxamide-related compound GPS167 inhibit the CLK kinases, and affect the proliferation of a broad range of cancer cell lines. A chemogenomic screen previously performed with GPS167 revealed that the depletion of components associated with mitotic spindle assembly altered sensitivity to GPS167. Here, a similar screen performed with 1C8 also established the impact of components involved in mitotic spindle assembly. Accordingly, transcriptome analyses of cells treated with 1C8 and GPS167 indicated that the expression and RNA splicing of transcripts encoding mitotic spindle assembly components were affected. The functional relevance of the microtubule connection was confirmed by showing that subtoxic concentrations of drugs affecting mitotic spindle assembly increased sensitivity to GPS167. 1C8 and GPS167 impacted the expression and splicing of transcripts in pathways relevant to tumor progression, including MYC targets and the epithelial mesenchymal transition (EMT). Finally, 1C8 and GPS167 altered the expression and alternative splicing of transcripts involved in the antiviral immune response. Consistent with this observation, depleting the double-stranded RNA sensor DHX33 suppressed GPS167-mediated cytotoxicity on HCT116 cells. Our study uncovered molecular mechanisms through which 1C8 and GPS167 affect cancer cell proliferation as well as processes critical for metastasis.
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Affiliation(s)
- Lulzim Shkreta
- Department of Microbiology and Infectious Diseases, Faculty of Medicine and Health Sciences, Université de Sherbrooke, Sherbrooke, QC, Canada
| | - Johanne Toutant
- Department of Microbiology and Infectious Diseases, Faculty of Medicine and Health Sciences, Université de Sherbrooke, Sherbrooke, QC, Canada
| | - Aurélie Delannoy
- Department of Microbiology and Infectious Diseases, Faculty of Medicine and Health Sciences, Université de Sherbrooke, Sherbrooke, QC, Canada
| | - David Durantel
- International Center for Infectiology Research (CIRI), INSERM U1111, CNRS UMR5308, Université de Lyon (UCBL1), Lyon, France
| | - Anna Salvetti
- International Center for Infectiology Research (CIRI), INSERM U1111, CNRS UMR5308, Université de Lyon (UCBL1), Lyon, France
| | - Sophie Ehresmann
- Institut de recherches cliniques de Montréal, Montréal, QC, Canada
| | - Martin Sauvageau
- Institut de recherches cliniques de Montréal, Montréal, QC, Canada
| | - Julien A. Delbrouck
- Department of Pharmacology, Faculty of Medicine and Health Sciences, Université de Sherbrooke and Institut de Pharmacologie, Sherbrooke, QC, Canada
| | - Alice Gravel-Trudeau
- Department of Pharmacology, Faculty of Medicine and Health Sciences, Université de Sherbrooke and Institut de Pharmacologie, Sherbrooke, QC, Canada
| | - Christian Comeau
- Department of Pharmacology, Faculty of Medicine and Health Sciences, Université de Sherbrooke and Institut de Pharmacologie, Sherbrooke, QC, Canada
| | - Caroline Huard
- Institute for Research in Immunology and Cancer, Université de Montréal, Montréal, QC, Canada
| | | | - Mike Tyers
- Institute for Research in Immunology and Cancer, Université de Montréal, Montréal, QC, Canada
| | - David Grierson
- Faculty of Pharmaceutical Sciences, University of British Columbia, Vancouver, BC, Canada
| | - Pierre-Luc Boudreault
- Department of Pharmacology, Faculty of Medicine and Health Sciences, Université de Sherbrooke and Institut de Pharmacologie, Sherbrooke, QC, Canada
| | - Benoit Chabot
- Department of Microbiology and Infectious Diseases, Faculty of Medicine and Health Sciences, Université de Sherbrooke, Sherbrooke, QC, Canada
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2
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Kwon J, Zhang J, Mok B, Han C. CK2-Mediated Phosphorylation Upregulates the Stability of USP13 and Promotes Ovarian Cancer Cell Proliferation. Cancers (Basel) 2022; 15:cancers15010200. [PMID: 36612196 PMCID: PMC9818633 DOI: 10.3390/cancers15010200] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Revised: 12/22/2022] [Accepted: 12/26/2022] [Indexed: 12/31/2022] Open
Abstract
Ubiquitin-specific Peptidase 13 (USP13) is a deubiquitinating enzyme that regulates the stability or function of its substrate. USP13 is highly amplified in human ovarian cancer, and elevated expression of USP13 promotes tumorigenesis and metastasis of ovarian cancer. However, there is little known about USP13 post-translational modifications and their role in ovarian cancer. Here, we found that USP13 is phosphorylated at Thr122 in ovarian cancer cells. Phosphorylated Thr122 (pT122) on endogenous USP13 was observed in most human ovarian cancer cells, and the abundance of this phosphorylation was correlated to the total level of USP13. We further demonstrated that Casein kinase 2 (CK2) directly interacts with and phosphorylates USP13 at Thr122, which promotes the stability of USP13 protein. Finally, we showed that Threonine 122 is important for cell proliferation of ovarian cancer cells. Our findings may reveal a novel regulatory mechanism for USP13, which may lead to novel therapeutic targeting of USP13 in ovarian cancer.
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Affiliation(s)
- Juntae Kwon
- Department of Oncology, Georgetown University School of Medicine, Washington, DC 20007, USA
| | - Jinmin Zhang
- Department of Oncology, Georgetown University School of Medicine, Washington, DC 20007, USA
| | - Boram Mok
- Department of Oncology, Georgetown University School of Medicine, Washington, DC 20007, USA
| | - Cecil Han
- Department of Oncology, Georgetown University School of Medicine, Washington, DC 20007, USA
- Lombardi Comprehensive Cancer Center, Georgetown University School of Medicine, Washington, DC 20007, USA
- Correspondence:
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3
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Samec T, Alatise KL, Boulos J, Gilmore S, Hazelton A, Coffin C, Alexander-Bryant A. Fusogenic peptide delivery of bioactive siRNAs targeting CSNK2A1 for treatment of ovarian cancer. MOLECULAR THERAPY. NUCLEIC ACIDS 2022; 30:95-111. [PMID: 36213692 PMCID: PMC9530961 DOI: 10.1016/j.omtn.2022.09.012] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Accepted: 09/15/2022] [Indexed: 06/16/2023]
Abstract
Ovarian cancer has shown little improvement in survival among advanced-stage patients over the past decade. Current treatment strategies have been largely unsuccessful in treating advanced disease, with many patients experiencing systemic toxicity and drug-resistant metastatic cancer. This study evaluates novel fusogenic peptide carriers delivering short interfering RNA (siRNA) targeting casein kinase II, CSNK2A1, for reducing the aggressiveness of ovarian cancer. The peptides were designed to address two significant barriers to siRNA delivery: insufficient cellular uptake and endosomal entrapment. The three peptide variants developed, DIVA3, DIV3H, and DIV3W, were able to form monodisperse nanoparticle complexes with siRNA and protect siRNAs from serum and RNase degradation. Furthermore, DIV3W demonstrated optimal delivery of bioactive siRNAs into ovarian cancer cells with high cellular uptake efficiency and mediated up to 94% knockdown of CSNK2A1 mRNA compared with non-targeting siRNAs, resulting in decreased cell migration and recolonization in vitro. Intratumoral delivery of DIV3W-siCSNK2A1 complexes to subcutaneous ovarian tumors resulted in reduced CSNK2A1 mRNA and CK2α protein expression after 48 h and reduced tumor growth and migration in a 2-week multi-dosing regimen. These results demonstrate the potential of the DIV3W peptide to deliver bioactive siRNAs and confirms the role of CSNK2A1 in cell-cell communication and proliferation in ovarian cancer.
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Affiliation(s)
- Timothy Samec
- Nanobiotechnology Laboratory, Department of Bioengineering, Clemson University, 301 Rhodes Research Center, Clemson, SC 29634-0905, USA
| | - Kharimat Lora Alatise
- Nanobiotechnology Laboratory, Department of Bioengineering, Clemson University, 301 Rhodes Research Center, Clemson, SC 29634-0905, USA
| | - Jessica Boulos
- Nanobiotechnology Laboratory, Department of Bioengineering, Clemson University, 301 Rhodes Research Center, Clemson, SC 29634-0905, USA
| | - Serena Gilmore
- Nanobiotechnology Laboratory, Department of Bioengineering, Clemson University, 301 Rhodes Research Center, Clemson, SC 29634-0905, USA
| | - Anthony Hazelton
- Nanobiotechnology Laboratory, Department of Bioengineering, Clemson University, 301 Rhodes Research Center, Clemson, SC 29634-0905, USA
| | - Carleigh Coffin
- Nanobiotechnology Laboratory, Department of Bioengineering, Clemson University, 301 Rhodes Research Center, Clemson, SC 29634-0905, USA
| | - Angela Alexander-Bryant
- Nanobiotechnology Laboratory, Department of Bioengineering, Clemson University, 301 Rhodes Research Center, Clemson, SC 29634-0905, USA
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4
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Alsagaby SA, Iqbal D, Ahmad I, Patel H, Mir SA, Madkhali YA, Oyouni AAA, Hawsawi YM, Alhumaydhi FA, Alshehri B, Alturaiki W, Alanazi B, Mir MA, Al Abdulmonem W. In silico investigations identified Butyl Xanalterate to competently target CK2α (CSNK2A1) for therapy of chronic lymphocytic leukemia. Sci Rep 2022; 12:17648. [PMID: 36271116 PMCID: PMC9587039 DOI: 10.1038/s41598-022-21546-0] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Accepted: 09/28/2022] [Indexed: 01/18/2023] Open
Abstract
Chronic lymphocytic leukemia (CLL) is an incurable malignancy of B-cells. In this study, bioinformatics analyses were conducted to identify possible pathogenic roles of CK2α, which is a protein encoded by CSNK2A1, in the progression and aggressiveness of CLL. Furthermore, various computational tools were used to search for a competent inhibitor of CK2α from fungal metabolites that could be proposed for CLL therapy. In CLL patients, high-expression of CSNK2A1 was associated with early need for therapy (n = 130, p < 0.0001) and short overall survival (OS; n = 107, p = 0.005). Consistently, bioinformatics analyses showed CSNK2A1 to associate with/play roles in CLL proliferation and survival-dependent pathways. Furthermore, PPI network analysis identified interaction partners of CK2α (PPI enrichment p value = 1 × 10-16) that associated with early need for therapy (n = 130, p < 0.003) and have been known to heavily impact on the progression of CLL. These findings constructed a rational for targeting CK2α for CLL therapy. Consequently, computational analyses reported 35 fungal metabolites out of 5820 (filtered from 19,967 metabolites) to have lower binding energy (ΔG: - 10.9 to - 11.7 kcal/mol) and better binding affinity (Kd: 9.77 × 107 M-1 to 3.77 × 108 M-1) compared with the native ligand (ΔG: - 10.8, Kd: 8.3 × 107 M--1). Furthermore, molecular dynamics simulation study established that Butyl Xanalterate-CK2α complex continuously remained stable throughout the simulation time (100 ns). Moreover, Butyl Xanalterate interacted with most of the catalytic residues, where complex was stabilized by more than 65% hydrogen bond interactions, and a significant hydrophobic interaction with residue Phe113. Here, high-expression of CSNK2A1 was implicated in the progression and poor prognosis of CLL, making it a potential therapeutic target in the disease. Butyl Xanalterate showed stable and strong interactions with CK2α, thus we propose it as a competitive inhibitor of CK2α for CLL therapy.
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Affiliation(s)
- Suliman A. Alsagaby
- grid.449051.d0000 0004 0441 5633Department of Medical Laboratory Sciences, College of Applied Medical Sciences, Majmaah University, AL-Majmaah, 11952 Kingdom of Saudi Arabia
| | - Danish Iqbal
- grid.449051.d0000 0004 0441 5633Department of Medical Laboratory Sciences, College of Applied Medical Sciences, Majmaah University, AL-Majmaah, 11952 Kingdom of Saudi Arabia
| | - Iqrar Ahmad
- grid.412233.50000 0001 0641 8393Division of Computer Aided Drug Design, Department of Pharmaceutical Chemistry, R. C. Patel Institute of Pharmaceutical Education and Research, Shirpur, Maharashtra 425405 India
| | - Harun Patel
- grid.412233.50000 0001 0641 8393Division of Computer Aided Drug Design, Department of Pharmaceutical Chemistry, R. C. Patel Institute of Pharmaceutical Education and Research, Shirpur, Maharashtra 425405 India
| | - Shabir Ahmad Mir
- grid.449051.d0000 0004 0441 5633Department of Medical Laboratory Sciences, College of Applied Medical Sciences, Majmaah University, AL-Majmaah, 11952 Kingdom of Saudi Arabia
| | - Yahya Awaji Madkhali
- grid.449051.d0000 0004 0441 5633Department of Medical Laboratory Sciences, College of Applied Medical Sciences, Majmaah University, AL-Majmaah, 11952 Kingdom of Saudi Arabia
| | - Atif Abdulwahab A. Oyouni
- grid.440760.10000 0004 0419 5685Department of Biology, Faculty of Sciences, University of Tabuk, Tabuk, Kingdom of Saudi Arabia ,grid.440760.10000 0004 0419 5685Genome and Biotechnology Unit, Faculty of Sciences, University of Tabuk, Tabuk, Kingdom of Saudi Arabia
| | - Yousef M. Hawsawi
- grid.415310.20000 0001 2191 4301Research Center, King Faisal Specialist Hospital and Research Center, P.O. Box 40047, Jeddah, 21499 Kingdom of Saudi Arabia ,grid.411335.10000 0004 1758 7207College of Medicine, Al-Faisal University, P.O. Box 50927, Riyadh, 11533 Kingdom of Saudi Arabia
| | - Fahad A. Alhumaydhi
- grid.412602.30000 0000 9421 8094Department of Medical Laboratories, College of Applied Medical Sciences, Qassim University, Buraydah, Kingdom of Saudi Arabia
| | - Bader Alshehri
- grid.449051.d0000 0004 0441 5633Department of Medical Laboratory Sciences, College of Applied Medical Sciences, Majmaah University, AL-Majmaah, 11952 Kingdom of Saudi Arabia
| | - Wael Alturaiki
- grid.449051.d0000 0004 0441 5633Department of Medical Laboratory Sciences, College of Applied Medical Sciences, Majmaah University, AL-Majmaah, 11952 Kingdom of Saudi Arabia
| | - Bader Alanazi
- grid.415277.20000 0004 0593 1832Biomedical Research Administration, Research Center, King Fahad Medical City, Riyadh, Kingdom of Saudi Arabia ,Prince Mohammed bin Abdulaziz Medical City, AlJouf, Kingdom of Saudi Arabia
| | - Manzoor Ahmad Mir
- grid.412997.00000 0001 2294 5433Department of Bioresources, School of Biological Sciences, University of Kashmir, Srinagar, India
| | - Waleed Al Abdulmonem
- grid.412602.30000 0000 9421 8094Department of Pathology, College of Medicine, Qassim University, Qassim, Kingdom of Saudi Arabia
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5
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Yucer N, Ahdoot R, Workman MJ, Laperle AH, Recouvreux MS, Kurowski K, Naboulsi DJ, Liang V, Qu Y, Plummer JT, Gayther SA, Orsulic S, Karlan BY, Svendsen CN. Human iPSC-derived fallopian tube organoids with BRCA1 mutation recapitulate early-stage carcinogenesis. Cell Rep 2021; 37:110146. [PMID: 34965417 PMCID: PMC9000920 DOI: 10.1016/j.celrep.2021.110146] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Revised: 08/09/2021] [Accepted: 11/27/2021] [Indexed: 12/28/2022] Open
Abstract
Germline pathogenic mutations in BReast CAncer (BRCA1) genes are thought to drive normal fallopian tube epithelial (FTE) cell transformation to high-grade serous ovarian cancer. No human models capture the sequence of events for disease initiation and progression. Here, we generate induced pluripotent stem cells (iPSCs) from healthy individuals and young ovarian cancer patients with germline pathogenic BRCA1 mutations (BRCA1mut). Following differentiation into FTE organoids, BRCA1mut lines exhibit cellular abnormalities consistent with neoplastic transformation compared to controls. BRCA1mut organoids show an increased production of cancer-specific proteins and survival following transplantation into mice. Organoids from women with the most aggressive ovarian cancer show the greatest pathology, indicating the potential value to predict clinical severity prior to disease onset. These human FTE organoids from BRCA1mut carriers provide a faithful physiological in vitro model of FTE lesion generation and early carcinogenesis. This platform can be used for personalized mechanistic and drug screening studies. Yucer et al. generate a human BRCA1 mutant iPSC-derived fallopian tube organoid model, which recapitulates BRCA1 mutant ovarian carcinogenesis in vitro and shows tumors in vivo. This model provides a biologically relevant platform to validate drugs and a basis for personalized early detection and preventative strategies for women carrying BRCA1 mutations.
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6
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Wu R, Tang W, Qiu K, Li P, Li Y, Li D, He Z. An Integrative Pan-Cancer Analysis of the Prognostic and Immunological Role of Casein Kinase 2 Alpha Protein 1 (CSNK2A1) in Human Cancers: A Study Based on Bioinformatics and Immunohistochemical Analysis. Int J Gen Med 2021; 14:6215-6232. [PMID: 34621130 PMCID: PMC8487869 DOI: 10.2147/ijgm.s330500] [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: 07/21/2021] [Accepted: 09/21/2021] [Indexed: 11/25/2022] Open
Abstract
Background Although emerging animal- or cell-based evidence supports the relationship between casein kinase 2 alpha protein 1 (CSNK2A1) and cancers, no pan-cancer analysis is available. Thus, this report aimed to display the prognostic landscape of CSNK2A1 in pan-cancer and investigate the relationship between CSNK2A1 and tumor immunity. Methods In the current study, we investigated the expression pattern, genetic alterations and survival analysis of CSNK2A1 in pan-cancer across multiple datasets and online platforms. The correlations between CSNK2A1 expression and tumor immunity were explored and visualized via R language software. Following this, immunohistochemical (IHC) staining and Kaplan–Meier survival analysis were conducted in clinical patients for proving the bioinformatic findings. Analysis of protein–protein interaction and gene functional enrichment was conducted using GeneMANIA platform and gene set enrichment analysis (GSEA), respectively. Results In TCGA, tumor tissue had a higher expression level of CSNK2A1 compared with that in corresponding normal tissue. An increased expression level of CSNK2A1 was related to poor clinical prognosis in most types of cancer such as LIHC. The following expression and survival analysis in clinical liver hepatocellular carcinoma (LIHC) patients confirmed these TCGA findings. CSNK2A1 expression had significant positive correlations with pro-tumor-infiltrating immune cells (TIICs) like M1-macrophages and fibroblasts, and significant negative correlations with anti-tumor-TIICs like activated CD8+ T cells and NK cells, suggesting specific interactions between CSNK2A1 and certain TIICs subtypes. Furthermore, CSNK2A1 expression had the most significant positive correlations with common markers of immune checkpoint including programmed death ligand-1 (PDL1) in LIHC. These findings were validated by an IHC analysis. GSEA analysis demonstrated that high expression of CSNK2A1 was related to cell signaling pathways and immunity-related activities. Conclusion These findings suggested that CSNK2A1 was not only related to poor clinical prognosis in cancer like LIHC but also a novel immunotherapy-related biomarker in cancers, especially in LIHC, shedding new light on anti-tumor strategy.
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Affiliation(s)
- Ruohao Wu
- Key Laboratory of Malignant Tumor Gene Regulation and Target Therapy of Guangdong High Education Institutes, Sun Yat-sen Memorial Hospital, Guangzhou, People's Republic of China.,Department of Pediatrics, Sun Yat-sen Memorial Hospital, Guangzhou, People's Republic of China
| | - Wenting Tang
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen Cancer Center, Guangzhou, People's Republic of China.,Department of Molecular Diagnostics, Sun Yat-sen Cancer Center, Guangzhou, People's Republic of China
| | - Kunyin Qiu
- Key Laboratory of Malignant Tumor Gene Regulation and Target Therapy of Guangdong High Education Institutes, Sun Yat-sen Memorial Hospital, Guangzhou, People's Republic of China.,Department of Pediatrics, Sun Yat-sen Memorial Hospital, Guangzhou, People's Republic of China
| | - Pinggan Li
- Key Laboratory of Malignant Tumor Gene Regulation and Target Therapy of Guangdong High Education Institutes, Sun Yat-sen Memorial Hospital, Guangzhou, People's Republic of China.,Department of Pediatrics, Sun Yat-sen Memorial Hospital, Guangzhou, People's Republic of China
| | - Yu Li
- Key Laboratory of Malignant Tumor Gene Regulation and Target Therapy of Guangdong High Education Institutes, Sun Yat-sen Memorial Hospital, Guangzhou, People's Republic of China.,Department of Pediatrics, Sun Yat-sen Memorial Hospital, Guangzhou, People's Republic of China
| | - Dongfang Li
- Key Laboratory of Malignant Tumor Gene Regulation and Target Therapy of Guangdong High Education Institutes, Sun Yat-sen Memorial Hospital, Guangzhou, People's Republic of China.,Department of Pediatrics, Sun Yat-sen Memorial Hospital, Guangzhou, People's Republic of China
| | - Zhanwen He
- Key Laboratory of Malignant Tumor Gene Regulation and Target Therapy of Guangdong High Education Institutes, Sun Yat-sen Memorial Hospital, Guangzhou, People's Republic of China.,Department of Pediatrics, Sun Yat-sen Memorial Hospital, Guangzhou, People's Republic of China
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7
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Liu S, Wu M, Wang F. Research Progress in Prognostic Factors and Biomarkers of Ovarian Cancer. J Cancer 2021; 12:3976-3996. [PMID: 34093804 PMCID: PMC8176232 DOI: 10.7150/jca.47695] [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: 05/02/2020] [Accepted: 04/22/2021] [Indexed: 12/14/2022] Open
Abstract
Ovarian cancer is a serious threat to women's health; its early diagnosis rate is low and prone to metastasis and recurrence. The current conventional treatment for ovarian cancer is a combination of platinum and paclitaxel chemotherapy based on surgery. The recurrence and progression of ovarian cancer with poor prognosis is a major challenge in treatment. With rapid advances in technology, understanding of the molecular pathways involved in ovarian cancer recurrence and progression has increased, biomarker-guided treatment options can greatly improve the prognosis of patients. This review systematically discusses and summarizes existing and new information on prognostic factors and biomarkers of ovarian cancer, which is expected to improve the clinical management of patients and lead to effective personalized treatment.
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Affiliation(s)
- Shuna Liu
- Department of Laboratory Medicine, the First Affiliated Hospital of Nanjing Medical University, Nanjing, China, 210029
- National Key Clinical Department of Laboratory Medicine, Nanjing, China, 210029
| | - Ming Wu
- Department of Laboratory Medicine, the First Affiliated Hospital of Nanjing Medical University, Nanjing, China, 210029
- National Key Clinical Department of Laboratory Medicine, Nanjing, China, 210029
| | - Fang Wang
- Department of Laboratory Medicine, the First Affiliated Hospital of Nanjing Medical University, Nanjing, China, 210029
- National Key Clinical Department of Laboratory Medicine, Nanjing, China, 210029
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8
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Ni J, Chen Y, Fei B, Zhu Y, Du Y, Liu L, Guo L, Zhu W. MicroRNA-301a Promotes Cell Proliferation and Resistance to Apoptosis through PTEN/PI3K/Akt Signaling Pathway in Human Ovarian Cancer. Gynecol Obstet Invest 2021; 86:108-116. [PMID: 33596588 DOI: 10.1159/000513070] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2020] [Accepted: 08/23/2020] [Indexed: 11/19/2022]
Abstract
BACKGROUND MicroRNAs are endogenous small noncoding RNAs, which play a critical role in regulating various biological and pathologic processes. Furthermore, miR-301a has been detected to be overly expressed in tumorigenic progression of ovarian cancer. However, the effects of miR-301a on ovarian cancer are still unclear. OBJECTIVE The objective of this study is to investigate the molecular mechanisms of miR-301a in epithelial ovarian cancer cells. METHODS The miR-301a expression in ovarian cancer cells was detected. Then, cell proliferation, cell cycle, and apoptosis of the miR-301a-mimic-transfected ovarian cancer cells were determined, as well as the effects of the miR-301a mimic on the PTEN/phosphoinositide 3-kinase (PI3K) signaling pathway were explored. RESULTS We found that the miR-301a expression levels were markedly upregulated in ovarian cancer tissues and cells, and upregulation of miR-301a-promoted cell viability and proliferation. Our results also showed that the miR-301a-mimic accelerated cell cycle progression of ovarian cancer cells by targeting the CDK4/Cyclin-D1 pathway but not the CDK2/Cyclin-E pathway. Moreover, transfection of the miR-301a mimic into ovarian cancer cells could decrease the PTEN expression while increasing the PI3K and Akt phosphorylation, as compared with the miR-301a inhibitor group and the negative control group. CONCLUSION Therefore, miR-301a should be an oncogene in ovarian cancer, and overexpression of miR-301a promoted proliferation of ovarian cancer cells by modulating the PTEN/PI3K/Akt signaling pathway.
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Affiliation(s)
- Jie Ni
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Ying Chen
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Beibei Fei
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Yan Zhu
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Yibei Du
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Lifen Liu
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Liangsheng Guo
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Weipei Zhu
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Soochow University, Suzhou, China,
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9
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Yang S, Liang Y, Qian H, Li Q. TTLL12 expression in ovarian cancer correlates with a poor outcome. INTERNATIONAL JOURNAL OF CLINICAL AND EXPERIMENTAL PATHOLOGY 2020; 13:239-247. [PMID: 32211104 PMCID: PMC7061784] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 06/15/2019] [Accepted: 08/27/2019] [Indexed: 06/10/2023]
Abstract
The tubulin-tyrosine ligase (TTLL) family is involved in the progression of many cancers. Tubulin-tyrosine ligase-like protein 12 (TTLL12), a member of the TTLL family, has functions of histone methylation and affects the activities of tubulin tyrosine ligase, which are often observed abnormally in many cancers. Recently, a TTLL12 isoform was reported as abnormal in many cancer cells, but the potential role of TTLL12 in ovarian cancer (OC) is still unknown. In this study, we used quantitative real-time RT-PCR and western blot to determine the expressions of TTLL12 in ovarian cancer cells and tissues and also performed immunohistochemical staining to examine the TTLL12 expression levels in 72 OC tissues and their matched adjacent normal ovarian tissues (ANOTs), to further explore the potential clinical features. The results showed that the TTLL12 expression level in OC tissues was significantly increased when compared to the ANOTs. In addition, TTLL12 expression was also remarkably upregulated in OC cell lines compared to the normal ovarian cell line. Furthermore, we found that the TTLL12 level was significantly associated with the clinical features of the FIGO stage (P=0.001) and peritoneal cytology (P=0.042). Moreover, TTLL12 is thought to be an independent risk factor for the overall survival (OS, P=0.022) and disease-free survival (DFS, P=0.040) of OC patients. In conclusion, this study identified TTLL12 as a potential molecular marker for predicting the invasion and progression of OC.
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Affiliation(s)
- Shangjie Yang
- Department of Gynecology & Obstetrics, Yangpu Hospital, School of Medicine, Tongji UniversityShanghai 200090, China
| | - Yanping Liang
- Department of Gynecology & Obstetrics, Shidong HospitalShanghai 200438, China
| | - Haihong Qian
- Department of Gynecology & Obstetrics, Yangpu Hospital, School of Medicine, Tongji UniversityShanghai 200090, China
| | - Qiuhong Li
- Department of Gynecology & Obstetrics, Shidong HospitalShanghai 200438, China
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10
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CK2 inhibition with silmitasertib promotes methuosis-like cell death associated to catastrophic massive vacuolization of colorectal cancer cells. Cell Death Dis 2019; 10:73. [PMID: 30683840 PMCID: PMC6347595 DOI: 10.1038/s41419-019-1306-x] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2018] [Revised: 11/20/2018] [Accepted: 12/17/2018] [Indexed: 12/13/2022]
Abstract
Protein kinase CK2 is a highly conserved and constitutively active Ser/Thr-kinase that phosphorylates a large number of substrates, resulting in increased cell proliferation and survival. A known target of CK2 is Akt, a player in the PI3K/Akt/mTORC1 signaling pathway, which is aberrantly activated in 32% of colorectal cancer (CRC) patients. On the other hand, mTORC1 plays an important role in the regulation of protein synthesis, cell growth, and autophagy. Some studies suggest that CK2 regulates mTORC1 in several cancers. The most recently developed CK2 inhibitor, silmitasertib (formerly CX-4945), has been tested in phase I/II trials for cholangiocarcinoma and multiple myeloma. This drug has been shown to induce autophagy and enhance apoptosis in pancreatic cancer cells and to promote apoptosis in non-small cell lung cancer cells. Nevertheless, it has not been tested in studies for CRC patients. We show in this work that inhibition of CK2 with silmitasertib decreases in vitro tumorigenesis of CRC cells in response to G2/M arrest, which correlates with mTORC1 inhibition and formation of large cytoplasmic vacuoles. Notably, molecular markers indicate that these vacuoles derive from massive macropinocytosis. Altogether, these findings suggest that an aberrantly elevated expression/activity of CK2 may play a key role in CRC, promoting cell viability and proliferation in untreated cells, however, its inhibition with silmitasertib promotes methuosis-like cell death associated to massive catastrophic vacuolization, accounting for decreased tumorigenicity at later times. These characteristics of silmitasertib support a potential therapeutic use in CRC patients and probably other CK2-dependent cancers.
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Jiang L, Zhang J, Hu N, Liu A, Zhu H, Li L, Tian Y, Chen X, Quan L. Lentivirus-mediated down-regulation of CK2α inhibits proliferation and induces apoptosis of malignant lymphoma and leukemia cells. Biochem Cell Biol 2018; 96:786-796. [PMID: 29772186 DOI: 10.1139/bcb-2017-0345] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Casein kinase II subunit alpha (CK2α) is highly expressed in many malignant tumor tissues, including lymphomas and leukemia. To investigate the role of CK2α in cell proliferation and apoptosis of malignant lymphomas and leukemia, 2 lymphoma cell lines and one leukemia cell line were infected with CK2α shRNA lentivirus or negative control shRNA lentivirus, and stably infected cell lines were established. Real-time PCR and Western blot results showed that the mRNA and protein levels of CK2α were significantly reduced in CK2α knockdown cells. The tetrazolium-based colorimetric (MTT) assay found that down-regulation of CK2α inhibited the proliferation of these cells. Flow cytometry analysis showed that inhibition of CK2α induced cell cycle arrest and apoptosis of lymphoma and leukemia cells. In accordance with these, down-regulation of CK2α also reduced the protein levels of proliferating cell nuclear antigen (PCNA), cyclinD1, and bcl-2, and increased the protein expression of bax, cleaved caspase-3, cleaved caspase-9, and cleaved poly(ADP ribose) polymerase (PARP). Moreover, knockdown of CK2α impeded the growth of xenograft tumors in vivo. In summary, our study revealed that CK2α may contribute to the development of malignant lymphoma and leukemia, and serve as the therapeutic target of these malignant tumors.
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Affiliation(s)
- Li Jiang
- a Department of Hematology, Harbin Medical University Cancer Hospital, Harbin 150080, People's Republic of China
| | - Jinghui Zhang
- b Department of Internal Medicine, Harbin Fourth Hospital, Harbin 150026, People's Republic of China
| | - Naifeng Hu
- c Department of Internal Medicine, Forest Industry General Hospital of Heilongjiang Province, Harbin 150040, People's Republic of China
| | - Aichun Liu
- a Department of Hematology, Harbin Medical University Cancer Hospital, Harbin 150080, People's Republic of China
| | - Hailong Zhu
- d School of Computer Science and Information Engineering, Harbin Normal University, Harbin 150086, People's Republic of China
| | - Lianqiao Li
- a Department of Hematology, Harbin Medical University Cancer Hospital, Harbin 150080, People's Republic of China
| | - Yuyang Tian
- a Department of Hematology, Harbin Medical University Cancer Hospital, Harbin 150080, People's Republic of China
| | - Xue Chen
- a Department of Hematology, Harbin Medical University Cancer Hospital, Harbin 150080, People's Republic of China
| | - Lina Quan
- a Department of Hematology, Harbin Medical University Cancer Hospital, Harbin 150080, People's Republic of China
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