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Liao C, Liu X, Zhang C, Zhang Q. Tumor hypoxia: From basic knowledge to therapeutic implications. Semin Cancer Biol 2023; 88:172-186. [PMID: 36603793 PMCID: PMC9929926 DOI: 10.1016/j.semcancer.2022.12.011] [Citation(s) in RCA: 27] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 12/07/2022] [Accepted: 12/31/2022] [Indexed: 01/04/2023]
Abstract
Diminished oxygen availability, termed hypoxia, within solid tumors is one of the most common characteristics of cancer. Hypoxia shapes the landscape of the tumor microenvironment (TME) into a pro-tumorigenic and pro-metastatic niche through arrays of pathological alterations such as abnormal vasculature, altered metabolism, immune-suppressive phenotype, etc. In addition, emerging evidence suggests that limited efficacy or the development of resistance towards antitumor therapy may be largely due to the hypoxic TME. This review will focus on summarizing the knowledge about the molecular machinery that mediates the hypoxic cellular responses and adaptations, as well as highlighting the effects and consequences of hypoxia, especially for angiogenesis regulation, cellular metabolism alteration, and immunosuppressive response within the TME. We also outline the current advances in novel therapeutic implications through targeting hypoxia in TME. A deep understanding of the basics and the role of hypoxia in the tumor will help develop better therapeutic avenues in cancer treatment.
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Affiliation(s)
- Chengheng Liao
- Department of Pathology, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Xijuan Liu
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, School of Medicine, Chapel Hill, NC 27599, USA
| | - Cheng Zhang
- Department of Pathology, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Qing Zhang
- Department of Pathology, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA; Simmons Comprehensive Cancer Center, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA.
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2
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Fujisaki T, Saito K, Kikuchi T, Kondo E. The prolyl hydroxylase OGFOD1 promotes cancer cell proliferation by regulating the expression of cell cycle regulators. FEBS Lett 2022; 597:1073-1085. [PMID: 36464654 DOI: 10.1002/1873-3468.14547] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2022] [Revised: 11/10/2022] [Accepted: 11/13/2022] [Indexed: 12/12/2022]
Abstract
OGFOD1, a prolyl-hydroxylase, has been reported to translocate from the nucleus to the cytoplasm in response to cellular stress. Here, we demonstrate that OGFOD1 regulates the transcription and post-transcriptional stabilization of cell cycle-related genes. OGFOD1 knockdown in lung cancer cells induced cell cycle arrest through the specific depletion of cyclin-dependent kinase (CDK) 1, CDK2 and cyclin B1 (CCNB1) mRNAs and the nuclear accumulation of p21Cip1 . Analysis of the mRNA dynamics in these cells revealed that CDK1 decreased in a time-dependent manner, reflecting post-transcriptional regulation by OGFOD1 and the RNA-binding protein HuR. In contrast, the depletion of CDK2 and CCNB1 resulted from decreased transcription mediated by OGFOD1. These results indicate that OGFOD1 is required to maintain the function of specific cell cycle regulators during cancer cell proliferation.
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Affiliation(s)
- Toshiya Fujisaki
- Division of Molecular and Cellular Pathology, Niigata University Graduate School of Medical and Dental Sciences, Japan.,Department of Respiratory Medicine and Infectious Diseases, Niigata University Graduate School of Medical and Dental Sciences, Japan
| | - Ken Saito
- Department of Clinical Engineering and Medical Technology, Niigata University of Health and Welfare, Japan
| | - Toshiaki Kikuchi
- Department of Respiratory Medicine and Infectious Diseases, Niigata University Graduate School of Medical and Dental Sciences, Japan
| | - Eisaku Kondo
- Division of Molecular and Cellular Pathology, Niigata University Graduate School of Medical and Dental Sciences, Japan.,Division of Tumor Pathology, Near Infrared Photo-Immunotherapy Research Institute, Kansai Medical University, Osaka, Japan
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3
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Luo N, Sun X, Ma S, Li X, Zhu W, Fu M, Yang F, Chen Z, Li Q, Zhang Y, Peng X, Hu G. Development of a Novel Prognostic Model of Glioblastoma Based on m6A-Associated Immune Genes and Identification of a New Biomarker. Front Oncol 2022; 12:868415. [PMID: 35936722 PMCID: PMC9348864 DOI: 10.3389/fonc.2022.868415] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Accepted: 06/20/2022] [Indexed: 12/02/2022] Open
Abstract
Background Accumulating evidence shows that m6A regulates oncogene and tumor suppressor gene expression, thus playing a dual role in cancer. Likewise, there is a close relationship between the immune system and tumor development and progression. However, for glioblastoma, m6A-associated immunological markers remain to be identified. Methods We obtained gene expression, mutation, and clinical data on glioblastoma from The Cancer Genome Atlas and Chinese Glioma Genome Atlas databases. Next, we performed univariate COX–least absolute shrinkage and selection operator (LASSO)–multivariate COX regression analyses to establish a prognostic gene signature and develop a corresponding dynamic nomogram application. We then carried out a clustering analysis twice to categorize all samples according to their m6A-regulating and m6A-associated immune gene expression levels (high, medium, and low) and calculated their m6A score. Finally, we performed quantitative reverse transcription-polymerase chain reaction, cell counting kit-8, cell stemness detection, cell migration, and apoptosis detection in vitro assays to determine the biological role of CD81 in glioblastoma cells. Results Our glioblastoma risk score model had extremely high prediction efficacy, with the area under the receiver operating characteristic curve reaching 0.9. The web version of the dynamic nomogram application allows rapid and accurate calculation of patients’ survival odds. Survival curves and Sankey diagrams indicated that the high-m6A score group corresponded to the groups expressing medium and low m6A-regulating gene levels and high m6A-associated prognostic immune gene levels. Moreover, these groups displayed lower survival rates and higher immune infiltration. Based on the gene set enrichment analysis, the pathophysiological mechanism may be related to the activation of the immunosuppressive function and related signaling pathways. Moreover, the risk score model allowed us to perform immunotherapy benefit assessment. Finally, silencing CD81 in vitro significantly suppressed proliferation, stemness, and migration and facilitated apoptosis in glioblastoma cells. Conclusion We developed an accurate and efficient prognostic model. Furthermore, the correlation analysis of different stratification methods with tumor microenvironment provided a basis for further pathophysiological mechanism exploration. Finally, CD81 may serve as a diagnostic and prognostic biomarker in glioblastoma.
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Affiliation(s)
- Na Luo
- Department of Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xizi Sun
- Department of Radiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Shengling Ma
- Department of Medical Oncology, The First Affiliated Hospital, College of Medicine, Zhejiang, China
| | - Xiaoyu Li
- Department of Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Wenjun Zhu
- Department of Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Min Fu
- Department of Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Feng Yang
- Department of Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Ziqi Chen
- Department of Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Qianxia Li
- Department of Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yuanyuan Zhang
- Department of Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- *Correspondence: Guangyuan Hu, ; Xiaohong Peng, ; Yuanyuan Zhang,
| | - Xiaohong Peng
- Department of Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- *Correspondence: Guangyuan Hu, ; Xiaohong Peng, ; Yuanyuan Zhang,
| | - Guangyuan Hu
- Department of Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- *Correspondence: Guangyuan Hu, ; Xiaohong Peng, ; Yuanyuan Zhang,
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Lee HT, Lee IH, Kim JH, Lee S, Kwak S, Suh MY, Hwang IY, Kang BG, Cha SS, Lee BI, Lee SE, Choi J, Roe JS, Cho EJ, Youn HD. Phosphorylation of OGFOD1 by Cell Cycle-Dependent Kinase 7/9 Enhances the Transcriptional Activity of RNA Polymerase II in Breast Cancer Cells. Cancers (Basel) 2021; 13:cancers13143418. [PMID: 34298635 PMCID: PMC8304009 DOI: 10.3390/cancers13143418] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 06/24/2021] [Accepted: 07/05/2021] [Indexed: 02/07/2023] Open
Abstract
Simple Summary Among the causes of accelerating cancer properties, dysregulated transcription is considerably prominent in many cancers. However, it is difficult to target transcriptional machineries due to their fundamental importance. Compared to breast cancer cell lines, we found that OGFOD1 aggravates cancers by enhancing RNA polymerase II transcriptional activity and it is improved by cell cycle-dependent kinases. Overall, we uncovered the novel mechanism for how OGFOD1 maliciously functions in breast cancers, suggesting it as a rational cancer treatment target protein. Abstract 2-oxoglutarate and iron-dependent oxygenase domain-containing protein 1 (OGFOD1) expression is upregulated in a variety of cancers and has been related to poor prognosis. However, despite this significance to cancer progression, the precise oncogenic mechanism of OGFOD1 is not understood. We demonstrated that OGFOD1 plays a role in enhancing the transcriptional activity of RNA polymerase II in breast cancer cells. OGFOD1 directly binds to the C-terminal domain of RNA polymerase II to alter phosphorylation status. The elimination of OGFOD1 resulted in decreased tumor development. Additionally, cell cycle-dependent kinase 7 and cell cycle-dependent kinase 9, critical enzymes for activating RNA polymerase II, phosphorylated serine 256 of OGFOD1, whereas a non-phosphorylated mutant OGFOD1 failed to enhance transcriptional activation and tumor growth. Consequently, OGFOD1 helps promote tumor growth by enhancing RNA polymerase II, whereas simultaneous phosphorylation of OGFOD1 by CDK enzymes is essential in stimulating RNA polymerase II-mediated transcription both in vitro and in vivo, and expression of target genes.
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Affiliation(s)
- Han-Teo Lee
- National Creative Research Center for Epigenome Reprogramming Network, Department of Biomedical Sciences, Ischemic/Hypoxic Disease Institute, Seoul National University College of Medicine, Seoul 03080, Korea; (H.-T.L.); (I.-H.L.); (J.-H.K.); (S.L.); (S.K.); (M.-Y.S.); (I.-Y.H.); (J.C.)
- Department of Molecular Medicine & Biopharmaceutical Sciences, Graduate School of Convergence Science and Technology, Seoul National University, Seoul 03080, Korea
| | - Il-Hwan Lee
- National Creative Research Center for Epigenome Reprogramming Network, Department of Biomedical Sciences, Ischemic/Hypoxic Disease Institute, Seoul National University College of Medicine, Seoul 03080, Korea; (H.-T.L.); (I.-H.L.); (J.-H.K.); (S.L.); (S.K.); (M.-Y.S.); (I.-Y.H.); (J.C.)
| | - Jae-Hwan Kim
- National Creative Research Center for Epigenome Reprogramming Network, Department of Biomedical Sciences, Ischemic/Hypoxic Disease Institute, Seoul National University College of Medicine, Seoul 03080, Korea; (H.-T.L.); (I.-H.L.); (J.-H.K.); (S.L.); (S.K.); (M.-Y.S.); (I.-Y.H.); (J.C.)
| | - Sangho Lee
- National Creative Research Center for Epigenome Reprogramming Network, Department of Biomedical Sciences, Ischemic/Hypoxic Disease Institute, Seoul National University College of Medicine, Seoul 03080, Korea; (H.-T.L.); (I.-H.L.); (J.-H.K.); (S.L.); (S.K.); (M.-Y.S.); (I.-Y.H.); (J.C.)
- Department of Molecular Medicine & Biopharmaceutical Sciences, Graduate School of Convergence Science and Technology, Seoul National University, Seoul 03080, Korea
| | - Sojung Kwak
- National Creative Research Center for Epigenome Reprogramming Network, Department of Biomedical Sciences, Ischemic/Hypoxic Disease Institute, Seoul National University College of Medicine, Seoul 03080, Korea; (H.-T.L.); (I.-H.L.); (J.-H.K.); (S.L.); (S.K.); (M.-Y.S.); (I.-Y.H.); (J.C.)
| | - Min-Young Suh
- National Creative Research Center for Epigenome Reprogramming Network, Department of Biomedical Sciences, Ischemic/Hypoxic Disease Institute, Seoul National University College of Medicine, Seoul 03080, Korea; (H.-T.L.); (I.-H.L.); (J.-H.K.); (S.L.); (S.K.); (M.-Y.S.); (I.-Y.H.); (J.C.)
| | - In-Young Hwang
- National Creative Research Center for Epigenome Reprogramming Network, Department of Biomedical Sciences, Ischemic/Hypoxic Disease Institute, Seoul National University College of Medicine, Seoul 03080, Korea; (H.-T.L.); (I.-H.L.); (J.-H.K.); (S.L.); (S.K.); (M.-Y.S.); (I.-Y.H.); (J.C.)
| | - Bu-Gyeong Kang
- Department of Chemistry & Nanoscience, Ewha Womans University, Seoul 03760, Korea; (B.-G.K.); (S.-S.C.)
| | - Sun-Shin Cha
- Department of Chemistry & Nanoscience, Ewha Womans University, Seoul 03760, Korea; (B.-G.K.); (S.-S.C.)
| | - Byung-Il Lee
- Research Institute, National Cancer Center, Goyang-si 10408, Korea;
| | - Sang-Eun Lee
- Cardiology Asan Medical Center, University of Ulsan College of Medicine, Seoul 05505, Korea;
| | - Jinmi Choi
- National Creative Research Center for Epigenome Reprogramming Network, Department of Biomedical Sciences, Ischemic/Hypoxic Disease Institute, Seoul National University College of Medicine, Seoul 03080, Korea; (H.-T.L.); (I.-H.L.); (J.-H.K.); (S.L.); (S.K.); (M.-Y.S.); (I.-Y.H.); (J.C.)
- College of Pharmacy, Sungkyunkwan University, Suwon 16419, Korea;
| | - Jae-Seok Roe
- Department of Biochemistry, College of Life Science and Biotechnology, Yonsei University, Seoul 03722, Korea;
| | - Eun-Jung Cho
- College of Pharmacy, Sungkyunkwan University, Suwon 16419, Korea;
| | - Hong-Duk Youn
- National Creative Research Center for Epigenome Reprogramming Network, Department of Biomedical Sciences, Ischemic/Hypoxic Disease Institute, Seoul National University College of Medicine, Seoul 03080, Korea; (H.-T.L.); (I.-H.L.); (J.-H.K.); (S.L.); (S.K.); (M.-Y.S.); (I.-Y.H.); (J.C.)
- Correspondence: ; Tel.: +82-2-740-8250; Fax: +82-2-3668-7622
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Kundu S. Fe(2)OG: an integrated HMM profile-based web server to predict and analyze putative non-haem iron(II)- and 2-oxoglutarate-dependent dioxygenase function in protein sequences. BMC Res Notes 2021; 14:80. [PMID: 33648553 PMCID: PMC7923460 DOI: 10.1186/s13104-021-05477-z] [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: 07/11/2020] [Accepted: 02/03/2021] [Indexed: 12/16/2022] Open
Abstract
Objective Non-haem iron(II)- and 2-oxoglutarate-dependent dioxygenases (i2OGdd), are a taxonomically and functionally diverse group of enzymes. The active site comprises ferrous iron in a hexa-coordinated distorted octahedron with the apoenzyme, 2-oxoglutarate and a displaceable water molecule. Current information on novel i2OGdd members is sparse and relies on computationally-derived annotation schema. The dissimilar amino acid composition and variable active site geometry thereof, results in differing reaction chemistries amongst i2OGdd members. An additional need of researchers is a curated list of sequences with putative i2OGdd function which can be probed further for empirical data. Results This work reports the implementation of \documentclass[12pt]{minimal}
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\begin{document}$$Fe\left(2\right)OG$$\end{document}Fe2OG, a web server with dual functionality and an extension of previous work on i2OGdd enzymes \documentclass[12pt]{minimal}
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\begin{document}$$\left(Fe\left(2\right)OG\equiv \{H2OGpred,DB2OG\}\right)$$\end{document}Fe2OG≡{H2OGpred,DB2OG}. \documentclass[12pt]{minimal}
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\begin{document}$$Fe\left(2\right)OG$$\end{document}Fe2OG, in this form is completely revised, updated (URL, scripts, repository) and will strengthen the knowledge base of investigators on i2OGdd biochemistry and function. \documentclass[12pt]{minimal}
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\begin{document}$$Fe\left(2\right)OG$$\end{document}Fe2OG, utilizes the superior predictive propensity of HMM-profiles of laboratory validated i2OGdd members to predict probable active site geometries in user-defined protein sequences. \documentclass[12pt]{minimal}
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\begin{document}$$Fe\left(2\right)OG$$\end{document}Fe2OG, also provides researchers with a pre-compiled list of analyzed and searchable i2OGdd-like sequences, many of which may be clinically relevant. \documentclass[12pt]{minimal}
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\begin{document}$$Fe(2)OG$$\end{document}Fe(2)OG, is freely available (http://204.152.217.16/Fe2OG.html) and supersedes all previous versions, i.e., H2OGpred, DB2OG.
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Affiliation(s)
- Siddhartha Kundu
- Department of Biochemistry, All India Institute of Medical Sciences, Ansari Nagar, New Delhi, 110029, India.
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Xu D, Zhou D, Bum-Erdene K, Bailey BJ, Sishtla K, Liu S, Wan J, Aryal UK, Lee JA, Wells CD, Fishel ML, Corson TW, Pollok KE, Meroueh SO. Phenotypic Screening of Chemical Libraries Enriched by Molecular Docking to Multiple Targets Selected from Glioblastoma Genomic Data. ACS Chem Biol 2020; 15:1424-1444. [PMID: 32243127 PMCID: PMC7919753 DOI: 10.1021/acschembio.0c00078] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Like most solid tumors, glioblastoma multiforme (GBM) harbors multiple overexpressed and mutated genes that affect several signaling pathways. Suppressing tumor growth of solid tumors like GBM without toxicity may be achieved by small molecules that selectively modulate a collection of targets across different signaling pathways, also known as selective polypharmacology. Phenotypic screening can be an effective method to uncover such compounds, but the lack of approaches to create focused libraries tailored to tumor targets has limited its impact. Here, we create rational libraries for phenotypic screening by structure-based molecular docking chemical libraries to GBM-specific targets identified using the tumor's RNA sequence and mutation data along with cellular protein-protein interaction data. Screening this enriched library of 47 candidates led to several active compounds, including 1 (IPR-2025), which (i) inhibited cell viability of low-passage patient-derived GBM spheroids with single-digit micromolar IC50 values that are substantially better than standard-of-care temozolomide, (ii) blocked tube-formation of endothelial cells in Matrigel with submicromolar IC50 values, and (iii) had no effect on primary hematopoietic CD34+ progenitor spheroids or astrocyte cell viability. RNA sequencing provided the potential mechanism of action for 1, and mass spectrometry-based thermal proteome profiling confirmed that the compound engages multiple targets. The ability of 1 to inhibit GBM phenotypes without affecting normal cell viability suggests that our screening approach may hold promise for generating lead compounds with selective polypharmacology for the development of treatments of incurable diseases like GBM.
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Affiliation(s)
- David Xu
- Center for Computational Biology and Bioinformatics, Indiana University School of Medicine, Indianapolis, Indiana 46202, United States
- Department of BioHealth Informatics, Indiana University School of Informatics and Computing, Indianapolis, Indiana 46202, United States
| | - Donghui Zhou
- Department of Biochemistry and Molecular Biology, Indiana University School of Medicine, Indianapolis, Indiana 46202, United States
| | - Khuchtumur Bum-Erdene
- Department of Biochemistry and Molecular Biology, Indiana University School of Medicine, Indianapolis, Indiana 46202, United States
| | - Barbara J Bailey
- Department of Pediatrics, Herman B. Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, Indiana 46202, United States
- Department of Pharmacology and Toxicology, Indiana University School of Medicine, Indianapolis, Indiana 46202, United States
- Indiana University Melvin and Bren Simon Cancer Center, Indiana University School of Medicine, Indianapolis, Indiana 46202, United States
| | - Kamakshi Sishtla
- Eugene and Marilyn Glick Eye Institute, Department of Ophthalmology, Indiana University School of Medicine, Indianapolis, Indiana 46202, United States
| | - Sheng Liu
- Center for Computational Biology and Bioinformatics, Indiana University School of Medicine, Indianapolis, Indiana 46202, United States
- Department of Medical and Molecular Genetics, Indiana University School of Medicine, Indianapolis, Indiana 46202, United States
| | - Jun Wan
- Center for Computational Biology and Bioinformatics, Indiana University School of Medicine, Indianapolis, Indiana 46202, United States
- Department of Medical and Molecular Genetics, Indiana University School of Medicine, Indianapolis, Indiana 46202, United States
| | - Uma K Aryal
- Purdue Proteomics Facility, Bindley Bioscience Center, Purdue University, West Lafayette, Indiana 47907, United States
| | - Jonathan A Lee
- Department of Biochemistry and Molecular Biology, Indiana University School of Medicine, Indianapolis, Indiana 46202, United States
| | - Clark D Wells
- Department of Biochemistry and Molecular Biology, Indiana University School of Medicine, Indianapolis, Indiana 46202, United States
| | - Melissa L Fishel
- Department of Pediatrics, Herman B. Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, Indiana 46202, United States
- Department of Pharmacology and Toxicology, Indiana University School of Medicine, Indianapolis, Indiana 46202, United States
- Indiana University Melvin and Bren Simon Cancer Center, Indiana University School of Medicine, Indianapolis, Indiana 46202, United States
| | - Timothy W Corson
- Department of Biochemistry and Molecular Biology, Indiana University School of Medicine, Indianapolis, Indiana 46202, United States
- Department of Pharmacology and Toxicology, Indiana University School of Medicine, Indianapolis, Indiana 46202, United States
- Indiana University Melvin and Bren Simon Cancer Center, Indiana University School of Medicine, Indianapolis, Indiana 46202, United States
- Eugene and Marilyn Glick Eye Institute, Department of Ophthalmology, Indiana University School of Medicine, Indianapolis, Indiana 46202, United States
| | - Karen E Pollok
- Department of Pediatrics, Herman B. Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, Indiana 46202, United States
- Department of Pharmacology and Toxicology, Indiana University School of Medicine, Indianapolis, Indiana 46202, United States
- Indiana University Melvin and Bren Simon Cancer Center, Indiana University School of Medicine, Indianapolis, Indiana 46202, United States
| | - Samy O Meroueh
- Department of Biochemistry and Molecular Biology, Indiana University School of Medicine, Indianapolis, Indiana 46202, United States
- Center for Computational Biology and Bioinformatics, Indiana University School of Medicine, Indianapolis, Indiana 46202, United States
- Indiana University Melvin and Bren Simon Cancer Center, Indiana University School of Medicine, Indianapolis, Indiana 46202, United States
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OGFOD1 negatively regulated by miR-1224-5p promotes proliferation in human papillomavirus-infected laryngeal papillomas. Mol Genet Genomics 2020; 295:675-684. [PMID: 32002629 DOI: 10.1007/s00438-020-01649-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Accepted: 01/18/2020] [Indexed: 02/01/2023]
Abstract
Laryngeal papillomas (LP) is a difficult disease to manage due to its frequent recurrence, airway compromise, and risk of cancer. Recently, growing evidence indicates the aberrant expression of OGFPD1, a stress granule protein, links closely to the development of tumorigenesis; however, little is known about its role in LP progression. Here, we investigated the tumor promoting action of OGFOD1 in LP. The transcriptional and translational levels of OGFOD1 were significantly up-regulated in LP tissues and cells. Moreover, OGFOD1 promoted viability and proliferation, and inhibited LP cells apoptosis. We further revealed that OGFOD1 was directly targeted by miR-1224-5p, which was significantly down-regulated in LP. Overexpression of the miR-1224-5p suppressed OGFOD1-induced cell proliferation and viability, and promoted apoptosis of LP. In accordance, knockdown of miR-1224-5p inversed the inhibitory effects. In confederation of the central involvement of OGFOD1 in LP progression, targeting the miR-1224-5p/OGFOD1 pathway might provide a novel strategy for LP treatment.
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Screening of the prognostic targets for breast cancer based co-expression modules analysis. Mol Med Rep 2017; 16:4038-4044. [PMID: 28731166 PMCID: PMC5646985 DOI: 10.3892/mmr.2017.7063] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2016] [Accepted: 05/23/2017] [Indexed: 12/28/2022] Open
Abstract
The purpose of the present study was to screen the prognostic targets for breast cancer based on a co-expression modules analysis. The microarray dataset GSE73383 was downloaded from the Gene Expression Omnibus (GEO) database, including 15 breast cancer samples with good prognosis and 9 breast cancer samples with poor prognosis. The differentially expressed genes (DEGs) were identified with the limma package. The Database for Annotation, Visualization and Integrated Discovery was used to perform Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment analysis. Furthermore, the co-expression analysis of DEGs was conducted with weighted correlation analysis. The interaction associations were analyzed with the Human Protein Reference Database and BioGRID. The protein-protein interactions (PPI) network was constructed and visualized by Cytoscape software. A total of 491 DEGs were identified in breast cancer samples with poor prognosis compared with those with good prognosis, and they were enriched in 85 GO terms and 4 KEGG pathways. 368 DEGs were co-expressed with others, and they were clustered into 10 modules. Module 6 was the most relevant to the clinical features, and 21 genes and 273 interaction pairs were selected out. Abnormal expression levels of required for meiotic nuclear division 5 homolog A (RMND5A) and angiopoietin-like protein 1 (ANGPTL1) were associated with a poor prognosis. It was indicated that SWI/SNF related, matrix associated, actin dependent regulator of chromatin, subfamily D, member 1, SWI/SNF related, matrix associated, actin dependent regulator of chromatin, subfamily D, member 1, dihydropyrimidinase-like 2, RMND5A and ANGPTL1 were potential prognostic markers in breast cancer, and the cell cycle may be involved in the regulation of breast cancer.
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