1
|
Kumar A, Choudhary A, Munshi A. Epigenetic reprogramming of mtDNA and its etiology in mitochondrial diseases. J Physiol Biochem 2024:10.1007/s13105-024-01032-z. [PMID: 38865050 DOI: 10.1007/s13105-024-01032-z] [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: 04/03/2024] [Accepted: 06/04/2024] [Indexed: 06/13/2024]
Abstract
Mitochondrial functionality and its regulation are tightly controlled through a balanced crosstalk between the nuclear and mitochondrial DNA interactions. Epigenetic signatures like methylation, hydroxymethylation and miRNAs have been reported in mitochondria. In addition, epigenetic signatures encoded by nuclear DNA are also imported to mitochondria and regulate the gene expression dynamics of the mitochondrial genome. Alteration in the interplay of these epigenetic modifications results in the pathogenesis of various disorders like neurodegenerative, cardiovascular, metabolic disorders, cancer, aging and senescence. These modifications result in higher ROS production, increased mitochondrial copy number and disruption in the replication process. In addition, various miRNAs are associated with regulating and expressing important mitochondrial gene families like COX, OXPHOS, ND and DNMT. Epigenetic changes are reversible and therefore therapeutic interventions like changing the target modifications can be utilized to repair or prevent mitochondrial insufficiency by reversing the changed gene expression. Identifying these mitochondrial-specific epigenetic signatures has the potential for early diagnosis and treatment responses for many diseases caused by mitochondrial dysfunction. In the present review, different mitoepigenetic modifications have been discussed in association with the development of various diseases by focusing on alteration in gene expression and dysregulation of specific signaling pathways. However, this area is still in its infancy and future research is warranted to draw better conclusions.
Collapse
Affiliation(s)
- Anil Kumar
- Department of Human Genetics and Molecular Medicines, Central University of Punjab, Bathinda, India
| | - Anita Choudhary
- Department of Human Genetics and Molecular Medicines, Central University of Punjab, Bathinda, India
| | - Anjana Munshi
- Department of Human Genetics and Molecular Medicines, Central University of Punjab, Bathinda, India.
| |
Collapse
|
2
|
Huang J, Liu J, Lan J, Sun J, Zhou K, Deng Y, Liang L, Liu L, Liu X. Guanine-Rich RNA Sequence Binding Factor 1 Deficiency Promotes Colorectal Cancer Progression by Regulating PI3K/AKT Signaling Pathway. Cancer Manag Res 2024; 16:629-638. [PMID: 38881789 PMCID: PMC11179673 DOI: 10.2147/cmar.s451066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Accepted: 04/11/2024] [Indexed: 06/18/2024] Open
Abstract
Background Guanine-rich RNA sequence binding factor 1 (GRSF1), part of the RNA-binding protein family, is now attracting interest due to its potential association with the progression of a variety of human cancers. The precise contribution and molecular mechanism of GRSF1 to colorectal cancer (CRC) progression, however, have yet to be clarified. Methods Immunohistochemistry and Western Blot analysis was carried out to detect the expression of GRSF1 in CRC at both mRNA and protein levels and its subsequent effects on prognosis. A series of functional tests were performed to understand its influence on proliferation, migration, and invasion of CRC cells. Results The universal downregulation of GRSF1 in CRC was identified, indicating a correlation with poor prognosis. Our functional studies unveiled that the elimination of GRSF1 enhances tumour activities such as proliferation, migration, and invasion of CRC cells, while GRSF1 overexpression curtailed these abilities. Conclusion Notably, we uncovered that GRSF1 insufficiency modulates the PI3K/Akt signaling pathway and Ras activation in CRC. Therefore, our data suggest GRSF1 operates as a tumor suppressor gene in CRC and may offer promise as a potential biomarker and novel therapeutic target in CRC management.
Collapse
Affiliation(s)
- Jingzhan Huang
- Department of General Surgery, The Third Affiliated Hospital, Southern Medical University, Guangzhou, Guangdong, People's Republic of China
| | - Jialong Liu
- Department of General Surgery, The Third Affiliated Hospital, Southern Medical University, Guangzhou, Guangdong, People's Republic of China
| | - Jin Lan
- Department of General Surgery, The Third Affiliated Hospital, Southern Medical University, Guangzhou, Guangdong, People's Republic of China
| | - Jingbo Sun
- Department of General Surgery, The Third Affiliated Hospital, Southern Medical University, Guangzhou, Guangdong, People's Republic of China
| | - Kun Zhou
- Department of General Surgery, The Third Affiliated Hospital, Southern Medical University, Guangzhou, Guangdong, People's Republic of China
| | - Yunyao Deng
- Department of General Surgery, The Third Affiliated Hospital, Southern Medical University, Guangzhou, Guangdong, People's Republic of China
| | - Li Liang
- Department of Pathology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, Guangdong, People's Republic of China
| | - Lixin Liu
- Department of General Surgery, The Third Affiliated Hospital, Southern Medical University, Guangzhou, Guangdong, People's Republic of China
| | - Xiaolong Liu
- Department of General Surgery, The Third Affiliated Hospital, Southern Medical University, Guangzhou, Guangdong, People's Republic of China
| |
Collapse
|
3
|
Barati T, Mirzaei Z, Ebrahimi A, Shekari Khaniani M, Mansoori Derakhshan S. miR-449a: A Promising Biomarker and Therapeutic Target in Cancer and Other Diseases. Cell Biochem Biophys 2024:10.1007/s12013-024-01322-9. [PMID: 38809350 DOI: 10.1007/s12013-024-01322-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/17/2024] [Indexed: 05/30/2024]
Abstract
In the regulation of gene expression, epigenetic factors like non-coding RNAs (ncRNAs) play an equal role in genetics. The role of microRNAs (miRNAs), which are members of the ncRNA family, in post-transcriptional gene regulation is well-documented and has important implications for both normal and abnormal biological processes, such as angiogenesis, proliferation, survival, and apoptosis. The purpose of this study was to synthesize previous research on miR-449a by analyzing published results from various databases, as there have been a number of investigations on miR-449's potential involvement in the development of human disorders. Based on our findings, miR-449 is strongly dysregulated in a wide range of diseases, from various cancers to cardiovascular diseases, cognitive impairments, and respiratory diseases, and it may play a pivotal role in the development of these problems. In addition, miR-449a functions as a crucial regulator of the expression of several well-known genes, including E2F-3, BCL2, NOTCH1, and SOX4. This, in turn, modulates various pathways and processes related to cancer, including Notch, PI3K, and TGF-β, and contributes to the improvement of cancer drug sensitivity. Curiously, abnormalities in the expression of this miRNA may serve as diagnostic or prognostic indicators for distinguishing between healthy people and patients or to evaluate the survival rates for specific disorders. This article provides a synopsis of the current understanding of miR-449a's role in human disease development through its regulation of gene expression and the biological processes related to these genes and their linked processes. In addition, we have covered the topic of miR-449a's potential as a clinical feature (diagnosis and prognosis) indicator for a range of disorders, both neoplastic and non-neoplastic. In general, our goal was to gain a thorough comprehension of the numerous functions of miR-449a in different disorders.
Collapse
Affiliation(s)
- Tahereh Barati
- Department of Medical Genetics, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Zohreh Mirzaei
- Department of Medical Genetics, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Amir Ebrahimi
- Department of Medical Genetics, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mahmoud Shekari Khaniani
- Department of Medical Genetics, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Sima Mansoori Derakhshan
- Department of Medical Genetics, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran.
| |
Collapse
|
4
|
Bai Y, Li Y, Qin Y, Yang X, Tseng GC, Kim S, Park HJ. The microRNA target site profile is a novel biomarker in the immunotherapy response. Front Oncol 2023; 13:1225221. [PMID: 38188295 PMCID: PMC10771317 DOI: 10.3389/fonc.2023.1225221] [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: 05/18/2023] [Accepted: 11/28/2023] [Indexed: 01/09/2024] Open
Abstract
MicroRNAs (miRNAs) bind on the 3' untranslated region (3'UTR) of messenger RNAs (mRNAs) and regulate mRNA expression in physiological and pathological conditions, including cancer. Thus, studies have identified miRNAs as potential biomarkers by correlating the miRNA expression with the expression of important mRNAs and/or clinical outcomes in cancers. However, tumors undergo pervasive 3'UTR shortening/lengthening events through alternative polyadenylation (APA), which varies the number of miRNA target sites in mRNA, raising the number of miRNA target sites (numTS) as another important regulatory axis of the miRNA binding effects. In this study, we developed the first statistical method, BIOMATA-APA, to identify predictive miRNAs based on numTS features. Running BIOMATA-APA on The Cancer Genome Atlas (TCGA) and independent cohort data both with immunotherapy and no immunotherapy, we demonstrated for the first time that the numTS feature 1) distinguishes different cancer types, 2) predicts tumor proliferation and immune infiltration status, 3) explains more variation in the proportion of tumor-infiltrating immune cells, 4) predicts response to immune checkpoint blockade (ICB) therapy, and 5) adds prognostic power beyond clinical and miRNA expression. To the best of our knowledge, this is the first pan-cancer study to systematically demonstrate numTS as a novel type of biomarker representing the miRNA binding effects underlying tumorigenesis and pave the way to incorporate miRNA target sites for miRNA biomarker identification. Another advantage of examining the miRNA binding effect using numTS is that it requires only RNA-Seq data, not miRNAs, thus resulting in high power in the miRNA biomarker identification.
Collapse
Affiliation(s)
- Yulong Bai
- Department of Human Genetics, University of Pittsburgh, Pittsburgh, PA, United States
| | - Yujia Li
- Statistics-Oncology, Eli Lilly and Company, Indianapolis, IN, United States
| | - Yidi Qin
- Department of Human Genetics, University of Pittsburgh, Pittsburgh, PA, United States
| | - Xinshuo Yang
- Department of Operations Research and Financial Engineering, Princeton University, Princeton, NJ, United States
| | - George C. Tseng
- Department of Biostatistics, University of Pittsburgh, Pittsburgh, PA, United States
| | - Soyeon Kim
- Department of Pediatrics, School of Medicine, University of Pittsburgh, Pittsburgh, PA, United States
| | - Hyun Jung Park
- Department of Human Genetics, University of Pittsburgh, Pittsburgh, PA, United States
| |
Collapse
|
5
|
Jiang J, Guo F, Li W, Shan X. miR-346 regulates the development of ARDS by regulating the function of pulmonary microvascular endothelial cells. Noncoding RNA Res 2023; 8:579-588. [PMID: 37622060 PMCID: PMC10445102 DOI: 10.1016/j.ncrna.2023.08.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 08/08/2023] [Accepted: 08/16/2023] [Indexed: 08/26/2023] Open
Abstract
In recent years, many studies have reported that microRNAs play an important role in the pathogenesis of a variety of diseases, and the aim of this paper is to explore the role and mechanism of miR-346 in acute respiratory distress syndrome (ARDS). A mouse model of ARDS was constructed by LPS induction, and RT-qPCR assay was used to verify that the expression level of miR-346 in lung tissue was significantly increased, and was negatively correlated with oxygenation index. Inhibiting the expression of miR-346 in mice and HPMECs by miR-346 inhibitor confirmed that decreased miR-346 expression could lead to increased oxygenation index, decreased lung index, lung water content and NO content to reduce lung injury in mice, while lung inflammation was alleviated and apoptosis was reduced in mice. The same results were obtained in cells. BCL6 was predicted to be a target of miR-346 by targetscan and miRDB; when miR-346 was inhibited, BCL6 expression was increased, and if miR-346 and BCL6 expression were inhibited at the same time, it could aggravate lung injury and reduce the proliferation of HPMECs and increase their apoptosis and inflammation in mice. This shows that miR-346 inhibits the migration of HPMECs by regulating BCL6 expression, which in turn promotes the apoptosis of HPMECs, leading to inflammation and inducing ARDS.
Collapse
Affiliation(s)
- Jing Jiang
- Department of Pulmonary and Critical Care Medicine, The Affiliated Yantai Yuhuangding Hospital of Qingdao University, Yantai, Shandong, 264000, China
| | - Fei Guo
- Department of Pulmonary and Critical Care Medicine, Yantai affiliated Hospital of Binzhou Medical University, Yantai, Shandong, 264100, China
| | - Wei Li
- Department of Pulmonary and Critical Care Medicine, The Affiliated Yantai Yuhuangding Hospital of Qingdao University, Yantai, Shandong, 264000, China
| | - Xiaoxi Shan
- Department of Pulmonary and Critical Care Medicine, The Affiliated Yantai Yuhuangding Hospital of Qingdao University, Yantai, Shandong, 264000, China
| |
Collapse
|
6
|
Li M, Gao Z, Wang S, Zhao Y, Xie H. miR‑27a‑3p upregulation by p65 facilitates cervical tumorigenesis by increasing TAB3 expression and is involved in the positive feedback loop of NF‑κB signaling. Oncol Rep 2023; 50:132. [PMID: 37203408 PMCID: PMC10236263 DOI: 10.3892/or.2023.8569] [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: 01/18/2023] [Accepted: 04/04/2023] [Indexed: 05/20/2023] Open
Abstract
An altered microRNA (miRNA/miR)‑27a‑3p expression has been identified in cervical cancer, while the exact regulatory mechanisms responsible for the dysregulation of miR‑27a‑3p remain to be fully elucidated. In the present study, a NF‑κB/p65 binding site was identified upstream of the miR‑23a/27a/24‑2 cluster and p65 binding enhanced the transcription of pri‑miR‑23a/27a/24‑2, as well as the expression levels of mature miRNAs, including miR‑27a‑3p in HeLa cells. Mechanistically, using bioinformatics analyses and experimental validation, TGF‑β activated kinase 1 binding protein 3 (TAB3) was identified as a direct target of miR‑27a‑3p. By binding to the 3'UTR of TAB3, miR‑27a‑3p significantly enhanced TAB3 expression. Functionally, it was found that the overexpression of miR‑27a‑3p and TAB3 promoted the malignant potential of cervical cancer cells, as evaluated using cell growth, migration and invasion assays, and specific cell marker determinations in the epithelial mesenchymal transition progression, and vice versa. Further rescue experiments revealed that the enhanced malignant effects induced by miR‑27a‑3p were mediated via its upregulation of TAB3 expression. Moreover, miR‑27a‑3p and TAB3 also activated the NF‑κB signaling pathway and formed a positive feedback regulatory loop composing of p65/miR‑27a‑3p/TAB3/NF‑κB. On the whole, the findings presented herein may provide novel insight into the underlying cervical tumorigenesis and novel biomarker identification for clinical applications.
Collapse
Affiliation(s)
- Min Li
- Department of Pathogen Biology, School of Basic Medical Sciences, Tianjin Medical University, Tianjin 300070, P.R. China
| | - Zixuan Gao
- Department of Pathogen Biology, School of Basic Medical Sciences, Tianjin Medical University, Tianjin 300070, P.R. China
| | - Shuo Wang
- Tianjin Key Laboratory of Exercise Physiology and Sports Medicine, Institute of Sport, Exercise and Health, Tianjin University of Sports, Tianjin 301617, P.R. China
| | - Yungang Zhao
- Tianjin Key Laboratory of Exercise Physiology and Sports Medicine, Institute of Sport, Exercise and Health, Tianjin University of Sports, Tianjin 301617, P.R. China
| | - Hong Xie
- Department of Pathogen Biology, School of Basic Medical Sciences, Tianjin Medical University, Tianjin 300070, P.R. China
| |
Collapse
|
7
|
Sonoda S, Yamaza T. Extracellular vesicles rejuvenate the microenvironmental modulating function of recipient tissue-specific mesenchymal stem cells in osteopenia treatment. Front Endocrinol (Lausanne) 2023; 14:1151429. [PMID: 37033255 PMCID: PMC10073676 DOI: 10.3389/fendo.2023.1151429] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Accepted: 03/13/2023] [Indexed: 04/11/2023] Open
Abstract
Systemic transplantation of mesenchymal stem cells (MSCs), such as bone marrow MSCs (BMMSCs) and stem cells from human exfoliated deciduous teeth (SHED), is considered a prominent treatment for osteopenia. However, the mechanism of action of the transplanted MSCs has been poorly elucidated. In the recipient target tissue, including bone and bone marrow, only a few donor MSCs can be detected, suggesting that the direct contribution of donor MSCs may not be expected for osteopenia treatment. Meanwhile, secretomes, especially contents within extracellular vesicles (EVs) released from donor MSCs (MSC-EVs), play key roles in the treatment of several diseases. In this context, administrated donor MSC-EVs may affect bone-forming function of recipient cells. In this review, we discuss how MSC-EVs contribute to bone recovery recipient tissue in osteopenia. We also summarize a novel mechanism of action of systemic administration of SHED-derived EVs (SHED-EVs) in osteopenia. We found that reduced telomerase activity in recipient BMMSCs caused the deficiency of microenvironmental modulating function, including bone and bone marrow-like niche formation and immunomodulation in estrogen-deficient osteopenia model mice. Systemic administration of SHED-EVs could exert therapeutic effects on bone reduction via recovering the telomerase activity, leading to the rejuvenation of the microenvironmental modulating function in recipient BMMSCs, as seen in systemic transplantation of SHED. RNase-preconditioned donor SHED-EVs diminished the therapeutic benefits of administrated SHED-EVs in the recipient osteopenia model mice. These facts suggest that MSC-EV therapy targets the recipient BMMSCs to rejuvenate the microenvironmental modulating function via telomerase activity, recovering bone density. We then introduce future challenges to develop the reproducible MSC-EV therapy in osteopenia.
Collapse
|
8
|
Dumoulin B, Heydeck D, Jähn D, Lassé M, Sofi S, Ufer C, Kuhn H. Male guanine-rich RNA sequence binding factor 1 knockout mice (Grsf1 -/-) gain less body weight during adolescence and adulthood. Cell Biosci 2022; 12:199. [PMID: 36494688 PMCID: PMC9733283 DOI: 10.1186/s13578-022-00922-3] [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: 07/15/2022] [Accepted: 11/02/2022] [Indexed: 12/13/2022] Open
Abstract
The guanine-rich RNA sequence binding factor 1 (GRSF1) is an RNA-binding protein of the heterogenous nuclear ribonucleoprotein H/F (hnRNP H/F) family that binds to guanine-rich RNA sequences forming G-quadruplex structures. In mice and humans there are single copy GRSF1 genes, but multiple transcripts have been reported. GRSF1 has been implicated in a number of physiological processes (e.g. embryogenesis, erythropoiesis, redox homeostasis, RNA metabolism) but also in the pathogenesis of viral infections and hyperproliferative diseases. These postulated biological functions of GRSF1 originate from in vitro studies rather than complex in vivo systems. To assess the in vivo relevance of these findings, we created systemic Grsf1-/- knockout mice lacking exons 4 and 5 of the Grsf1 gene and compared the basic functional characteristics of these animals with those of wildtype controls. We found that Grsf1-deficient mice are viable, reproduce normally and have fully functional hematopoietic systems. Up to an age of 15 weeks they develop normally but when male individuals grow older, they gain significantly less body weight than wildtype controls in a gender-specific manner. Profiling Grsf1 mRNA expression in different mouse tissues we observed high concentrations in testis. Comparison of the testicular transcriptomes of Grsf1-/- mice and wildtype controls confirmed near complete knock-out of Grsf1 but otherwise subtle differences in transcript regulations. Comparative testicular proteome analyses suggested perturbed mitochondrial respiration in Grsf1-/- mice which may be related to compromised expression of complex I proteins. Here we present, for the first time, an in vivo complete Grsf1 knock-out mouse with comprehensive physiological, transcriptomic and proteomic characterization to improve our understanding of the GRSF1 beyond in vitro cell culture models.
Collapse
Affiliation(s)
- Bernhard Dumoulin
- grid.6363.00000 0001 2218 4662Department of Biochemistry, Charité - University Medicine Berlin, Corporate Member of Free University Berlin, Humboldt University Berlin and Berlin Institute of Health, Charitéplatz 1, 10117 Berlin, Germany ,grid.13648.380000 0001 2180 3484Present Address: Department of Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Dagmar Heydeck
- grid.6363.00000 0001 2218 4662Department of Biochemistry, Charité - University Medicine Berlin, Corporate Member of Free University Berlin, Humboldt University Berlin and Berlin Institute of Health, Charitéplatz 1, 10117 Berlin, Germany
| | - Desiree Jähn
- grid.6363.00000 0001 2218 4662Department of Biochemistry, Charité - University Medicine Berlin, Corporate Member of Free University Berlin, Humboldt University Berlin and Berlin Institute of Health, Charitéplatz 1, 10117 Berlin, Germany
| | - Moritz Lassé
- grid.13648.380000 0001 2180 3484Present Address: Department of Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Sajad Sofi
- grid.6363.00000 0001 2218 4662Department of Biochemistry, Charité - University Medicine Berlin, Corporate Member of Free University Berlin, Humboldt University Berlin and Berlin Institute of Health, Charitéplatz 1, 10117 Berlin, Germany ,grid.5685.e0000 0004 1936 9668Present Address: Department of Biology, University of York, York, YO10 5DD UK
| | - Christoph Ufer
- grid.6363.00000 0001 2218 4662Department of Biochemistry, Charité - University Medicine Berlin, Corporate Member of Free University Berlin, Humboldt University Berlin and Berlin Institute of Health, Charitéplatz 1, 10117 Berlin, Germany
| | - Hartmut Kuhn
- grid.6363.00000 0001 2218 4662Department of Biochemistry, Charité - University Medicine Berlin, Corporate Member of Free University Berlin, Humboldt University Berlin and Berlin Institute of Health, Charitéplatz 1, 10117 Berlin, Germany
| |
Collapse
|
9
|
Lutz M, Schmierer J, Takimoto T. Host adaptive mutations in the 2009 H1N1 pandemic influenza A virus PA gene regulate translation efficiency of viral mRNAs via GRSF1. Commun Biol 2022; 5:1102. [PMID: 36253464 PMCID: PMC9576711 DOI: 10.1038/s42003-022-04082-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Accepted: 10/06/2022] [Indexed: 11/08/2022] Open
Abstract
Avian species are the major natural reservoir from which pandemic influenza A viruses can be introduced to humans. Avian influenza A virus genes, including the three viral polymerase genes, PA, PB1 and PB2, require host-adaptive mutations to allow for viral replication and transmission in humans. Previously, PA from the 2009 pH1N1 viral polymerase was found to harbor host-adaptive mutations leading to enhanced viral polymerase activity. By quantifying translation and mRNA transcription, we found that the 2009 pH1N1 PA, and the associated host-adaptive mutations, led to greater translation efficiency. This was due to enhanced cytosolic accumulation of viral mRNA, which was dependent on the host RNA binding protein GRSF1. Mutations to the GRSF1 binding site in viral mRNA, as well as GRSF1 knockdown, reduced cytosolic accumulation and translation efficiency of viral mRNAs. This study identifies a previously unrecognized mechanism by which host-adaptive mutations in PA regulate viral replication and host adaptation. Importantly, these results provide greater insight into the host adaptation process of IAVs and reveal the importance of GRSF1 in the lifecycle of IAV.
Collapse
Affiliation(s)
- Michael Lutz
- Department of Microbiology and Immunology, University of Rochester Medical Center, Rochester, NY, 14642, USA
| | - Jordana Schmierer
- Department of Microbiology and Immunology, University of Rochester Medical Center, Rochester, NY, 14642, USA
| | - Toru Takimoto
- Department of Microbiology and Immunology, University of Rochester Medical Center, Rochester, NY, 14642, USA.
| |
Collapse
|
10
|
Sonoda S, Yamaza T. A New Target of Dental Pulp-Derived Stem Cell-Based Therapy on Recipient Bone Marrow Niche in Systemic Lupus Erythematosus. Int J Mol Sci 2022; 23:ijms23073479. [PMID: 35408840 PMCID: PMC8998830 DOI: 10.3390/ijms23073479] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Revised: 03/18/2022] [Accepted: 03/20/2022] [Indexed: 02/04/2023] Open
Abstract
Recent advances in mesenchymal stem/stromal cell (MSC) research have led us to consider the feasibility of MSC-based therapy for various diseases. Human dental pulp-derived MSCs (hDPSCs) have been identified in the dental pulp tissue of deciduous and permanent teeth, and they exhibit properties with self-renewal and in vitro multipotency. Interestingly, hDPSCs exhibit superior immunosuppressive functions toward immune cells, especially T lymphocytes, both in vitro and in vivo. Recently, hDPSCs have been shown to have potent immunomodulatory functions in treating systemic lupus erythematosus (SLE) in the SLE MRL/lpr mouse model. However, the mechanisms underlying the immunosuppressive efficacy of hDPSCs remain unknown. This review aims to introduce a new target of hDPSC-based therapy on the recipient niche function in SLE.
Collapse
|
11
|
Telomerase in Cancer: Function, Regulation, and Clinical Translation. Cancers (Basel) 2022; 14:cancers14030808. [PMID: 35159075 PMCID: PMC8834434 DOI: 10.3390/cancers14030808] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Revised: 01/29/2022] [Accepted: 02/02/2022] [Indexed: 02/04/2023] Open
Abstract
Simple Summary Cells undergoing malignant transformation must circumvent replicative senescence and eventual cell death associated with progressive telomere shortening that occurs through successive cell division. To do so, malignant cells reactivate telomerase to extend their telomeres and achieve cellular immortality, which is a “Hallmark of Cancer”. Here we review the telomere-dependent and -independent functions of telomerase in cancer, as well as its potential as a biomarker and therapeutic target to diagnose and treat cancer patients. Abstract During the process of malignant transformation, cells undergo a series of genetic, epigenetic, and phenotypic alterations, including the acquisition and propagation of genomic aberrations that impart survival and proliferative advantages. These changes are mediated in part by the induction of replicative immortality that is accompanied by active telomere elongation. Indeed, telomeres undergo dynamic changes to their lengths and higher-order structures throughout tumor formation and progression, processes overseen in most cancers by telomerase. Telomerase is a multimeric enzyme whose function is exquisitely regulated through diverse transcriptional, post-transcriptional, and post-translational mechanisms to facilitate telomere extension. In turn, telomerase function depends not only on its core components, but also on a suite of binding partners, transcription factors, and intra- and extracellular signaling effectors. Additionally, telomerase exhibits telomere-independent regulation of cancer cell growth by participating directly in cellular metabolism, signal transduction, and the regulation of gene expression in ways that are critical for tumorigenesis. In this review, we summarize the complex mechanisms underlying telomere maintenance, with a particular focus on both the telomeric and extratelomeric functions of telomerase. We also explore the clinical utility of telomeres and telomerase in the diagnosis, prognosis, and development of targeted therapies for primary, metastatic, and recurrent cancers.
Collapse
|
12
|
Tarazón E, de Unamuno Bustos B, Murria Estal R, Pérez Simó G, Sahuquillo Torralba A, Simarro J, Palanca Suela S, Botella Estrada R. MiR-138-5p Suppresses Cell Growth and Migration in Melanoma by Targeting Telomerase Reverse Transcriptase. Genes (Basel) 2021; 12:genes12121931. [PMID: 34946880 PMCID: PMC8701232 DOI: 10.3390/genes12121931] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Revised: 11/24/2021] [Accepted: 11/25/2021] [Indexed: 12/16/2022] Open
Abstract
Recent evidence suggests the existence of a miRNA regulatory network involving human telomerase reverse transcriptase gene (hTERT), with miR-138-5p playing a central role in many types of cancers. However, little is known about the regulation of hTERT expression by microRNA (miRNAs) in melanocytic tumors. Here, we investigated the effects of miR-138-5p in hTERT regulation in melanoma cells lines. In vitro studies demonstrated higher miR-138-5p and lower hTERT messenger RNA (mRNA) expression in human epidermal melanocytes, compared with melanoma cell lines (A2058, A375, SK-MEL-28) by quantitative polymerase chain reaction (qPCR) observing a negative correlation between them. A2058 melanoma cells were selected to be transfected with miR-138-5p mimic or inhibitor. Using luciferase assay, hTERT was identified as a direct target of this miRNA. Overexpression of miR-138-5p detected by Western blot revealed a decrease in hTERT protein expression (p = 0.012), and qPCR showed a reduction in telomerase activity (p < 0.001). Moreover, suppressions in cell growth (p = 0.035) and migration abilities (p = 0.015) were observed in A2058-transfected cells using thiazolyl blue tetrazolium bromide and flow cytometry, respectively. This study identifies miR-138-5p as a crucial tumor suppressor miRNA involved in telomerase regulation. Targeting it as a combination therapy with immunotherapy or targeted therapies could be used in advanced melanoma treatment; however, more preclinical studies are necessary.
Collapse
Affiliation(s)
- Estefanía Tarazón
- Dermatology and Tisular Regeneration Group, Health Research Institute La Fe, 46026 Valencia, Spain; (E.T.); (B.d.U.B.); (R.M.E.); (A.S.T.); (R.B.E.)
| | - Blanca de Unamuno Bustos
- Dermatology and Tisular Regeneration Group, Health Research Institute La Fe, 46026 Valencia, Spain; (E.T.); (B.d.U.B.); (R.M.E.); (A.S.T.); (R.B.E.)
- Department of Dermatology, University Hospital La Fe, 46026 Valencia, Spain
| | - Rosa Murria Estal
- Dermatology and Tisular Regeneration Group, Health Research Institute La Fe, 46026 Valencia, Spain; (E.T.); (B.d.U.B.); (R.M.E.); (A.S.T.); (R.B.E.)
| | - Gema Pérez Simó
- Clinical and Translational Cancer Research Group, Health Research Institute La Fe, 46026 Valencia, Spain; (G.P.S.); (J.S.)
- Laboratory of Molecular Biology, Service of Clinical Analysis, University Hospital La Fe, 46026 Valencia, Spain
| | - Antonio Sahuquillo Torralba
- Dermatology and Tisular Regeneration Group, Health Research Institute La Fe, 46026 Valencia, Spain; (E.T.); (B.d.U.B.); (R.M.E.); (A.S.T.); (R.B.E.)
- Department of Dermatology, University Hospital La Fe, 46026 Valencia, Spain
| | - Javier Simarro
- Clinical and Translational Cancer Research Group, Health Research Institute La Fe, 46026 Valencia, Spain; (G.P.S.); (J.S.)
- Laboratory of Molecular Biology, Service of Clinical Analysis, University Hospital La Fe, 46026 Valencia, Spain
| | - Sarai Palanca Suela
- Clinical and Translational Cancer Research Group, Health Research Institute La Fe, 46026 Valencia, Spain; (G.P.S.); (J.S.)
- Laboratory of Molecular Biology, Service of Clinical Analysis, University Hospital La Fe, 46026 Valencia, Spain
- Correspondence: ; Tel.: +34-9612-44586
| | - Rafael Botella Estrada
- Dermatology and Tisular Regeneration Group, Health Research Institute La Fe, 46026 Valencia, Spain; (E.T.); (B.d.U.B.); (R.M.E.); (A.S.T.); (R.B.E.)
- Department of Dermatology, University Hospital La Fe, 46026 Valencia, Spain
- Department of Medicine, School of Medicine, Universitat de València, 46010 Valencia, Spain
| |
Collapse
|
13
|
Zia A, Farkhondeh T, Sahebdel F, Pourbagher-Shahri AM, Samarghandian S. Key miRNAs in Modulating Aging and Longevity: A Focus on Signaling Pathways and Cellular Targets. Curr Mol Pharmacol 2021; 15:736-762. [PMID: 34533452 DOI: 10.2174/1874467214666210917141541] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2020] [Revised: 05/02/2021] [Accepted: 05/24/2021] [Indexed: 11/22/2022]
Abstract
Aging is a multifactorial procedure accompanied by gradual deterioration of most biological procedures of cells. MicroRNAs (miRNAs) are a class of short non-coding RNAs that post-transcriptionally regulate the expression of mRNAs through sequence-specific binding, and contributing to many crucial aspects of cell biology. Several miRNAs are expressed differently in various organisms through aging. The function of miRNAs in modulating aging procedures has been disclosed recently with the detection of miRNAs that modulate longevity in the invertebrate model organisms, through the IIS pathway. In these model organisms, several miRNAs have been detected to both negatively and positively regulate lifespan via commonly aging pathways. miRNAs modulate age-related procedures and disorders in different mammalian tissues by measuring their tissue-specific expression in older and younger counterparts, including heart, skin, bone, brain, and muscle tissues. Moreover, several miRNAs have been contributed to modulating senescence in different human cells, and the roles of these miRNAs in modulating cellular senescence have allowed illustrating some mechanisms of aging. The review discusses the available data on miRNAs through the aging process and we highlight the roles of miRNAs as aging biomarkers and regulators of longevity in cellular senescence, tissue aging, and organism lifespan.
Collapse
Affiliation(s)
- Aliabbas Zia
- Department of Biochemistry, Institute of Biochemistry and Biophysics (IBB), University of Tehran, Tehran, Iran
| | - Tahereh Farkhondeh
- Cardiovascular Diseases Research Center, Birjand University of Medical Sciences, Birjand, Iran
| | - Faezeh Sahebdel
- Department of Rehabilitation Medicine, University of Minnesota Medical School, Minneapolis, MN, United States
| | | | - Saeed Samarghandian
- Noncommunicable Diseases Research Center, Neyshabur University of Medical Sciences, Neyshabur, Iran
| |
Collapse
|
14
|
Sonoda S, Murata S, Kato H, Zakaria F, Kyumoto-Nakamura Y, Uehara N, Yamaza H, Kukita T, Yamaza T. Targeting of Deciduous Tooth Pulp Stem Cell-Derived Extracellular Vesicles on Telomerase-Mediated Stem Cell Niche and Immune Regulation in Systemic Lupus Erythematosus. THE JOURNAL OF IMMUNOLOGY 2021; 206:3053-3063. [PMID: 34078710 DOI: 10.4049/jimmunol.2001312] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Accepted: 04/05/2021] [Indexed: 01/09/2023]
Abstract
Systemic transplantation of stem cells from human exfoliated deciduous teeth (SHED) is used to treat systemic lupus erythematosus (SLE)-like disorders in MRL/lpr mice. However, the mechanisms underlying the SHED-based therapy remain unclear. In this study, we hypothesized that trophic factors within SHED-releasing extracellular vesicles (SHED-EVs) ameliorate the SLE-like phenotypes in MRL/lpr mice. SHED-EVs were isolated from the culture supernatant of SHED. SHED-EVs were treated with or without RNase and systemically administered to MRL/lpr mice. Subsequently, recipient bone marrow mesenchymal stem cells (BMMSCs) isolated from SHED-EV-administered MRL/lpr mice were examined for the in vitro and in vivo activity of hematopoietic niche formation and immunoregulation. Furthermore, the recipient BMMSCs were secondarily transplanted into MRL/lpr mice. The systemic SHED-EV infusion ameliorated the SLE-like phenotypes in MRL/lpr mice and improved the functions of recipient BMMSCs by rescuing Tert mRNA-associated telomerase activity, hematopoietic niche formation, and immunoregulation. The secondary transplantation of recipient BMMSCs recovered the immune condition and renal functions of MRL/lpr mice. The RNase treatment depleted RNAs, such as microRNAs, within SHED-EVs, and the RNA-depleted SHED-EVs attenuated the benefits of SHED-EVs in MRL/lpr mice. Collectively, our findings suggest that SHED-secreted RNAs, such as microRNAs, play a crucial role in treating SLE by targeting the telomerase activity of recipient BMMSCs.
Collapse
Affiliation(s)
- Soichiro Sonoda
- Department of Molecular Cell Biology and Oral Anatomy, Division of Oral Biological Sciences, Kyushu University Graduate School of Dental Science, Fukuoka, Japan; and
| | - Sara Murata
- Department of Molecular Cell Biology and Oral Anatomy, Division of Oral Biological Sciences, Kyushu University Graduate School of Dental Science, Fukuoka, Japan; and
| | - Hiroki Kato
- Department of Molecular Cell Biology and Oral Anatomy, Division of Oral Biological Sciences, Kyushu University Graduate School of Dental Science, Fukuoka, Japan; and
| | - Fouad Zakaria
- Department of Molecular Cell Biology and Oral Anatomy, Division of Oral Biological Sciences, Kyushu University Graduate School of Dental Science, Fukuoka, Japan; and
| | - Yukari Kyumoto-Nakamura
- Department of Molecular Cell Biology and Oral Anatomy, Division of Oral Biological Sciences, Kyushu University Graduate School of Dental Science, Fukuoka, Japan; and
| | - Norihisa Uehara
- Department of Molecular Cell Biology and Oral Anatomy, Division of Oral Biological Sciences, Kyushu University Graduate School of Dental Science, Fukuoka, Japan; and
| | - Haruyoshi Yamaza
- Department of Pediatric Dentistry, Division of Oral Health, Growth and Development, Kyushu University Graduate School of Dental Science, Fukuoka, Japan
| | - Toshio Kukita
- Department of Molecular Cell Biology and Oral Anatomy, Division of Oral Biological Sciences, Kyushu University Graduate School of Dental Science, Fukuoka, Japan; and
| | - Takayoshi Yamaza
- Department of Molecular Cell Biology and Oral Anatomy, Division of Oral Biological Sciences, Kyushu University Graduate School of Dental Science, Fukuoka, Japan; and
| |
Collapse
|
15
|
Wang B, Wang L, Lu Y, Liang W, Gao Y, Xi H, Chen L. GRSF1 promotes tumorigenesis and EMT-mediated metastasis through PI3K/AKT pathway in gastric cancer. Biochem Biophys Res Commun 2021; 555:61-66. [PMID: 33813277 DOI: 10.1016/j.bbrc.2021.03.121] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Accepted: 03/22/2021] [Indexed: 12/29/2022]
Abstract
It is vital to identify effective therapeutic targets and explore the underlying mechanisms to curb the progression of Gastric cancer (GC) and improve the prognosis of GC patients. Guanine-rich RNA sequence binding factor 1 (GRSF1) is a member of the RNA-binding protein family. The present study showed that GRSF1 knockdown suppressed GC cells proliferation, migration and invasion in vitro, while GRSF1 overexpression enhanced the proliferation, migration and invasion of GC cells. Meanwhile, knockdown of GRSF1 inhibited tumor growth and tumor metastasis in vivo. Furthermore, we demonstrated that GRSF1 induced epithelial-mesenchymal transition (EMT) and activated PI3K/AKT pathway in vitro and in vivo through gain and loss of function. In conclusion, we demonstrated that GRSF1 promotes tumorigenesis and EMT-mediated metastasis through PI3K/AKT pathway in GC. Our study for the first time identified the functions of GRSF1 serving as an oncogene in GC, which may be a potential effective therapeutic target and malignant indicator in GC.
Collapse
Affiliation(s)
- Baohua Wang
- Medical School of Chinese PLA, Beijing, China; Department of General Surgery & Institute of General Surgery, Chinese PLA General Hospital, Beijing, China
| | - Lili Wang
- Department of General Surgery & Institute of General Surgery, Chinese PLA General Hospital, Beijing, China
| | - Yixun Lu
- Medical School of Chinese PLA, Beijing, China; Department of General Surgery & Institute of General Surgery, Chinese PLA General Hospital, Beijing, China
| | - Wenquan Liang
- Department of General Surgery & Institute of General Surgery, Chinese PLA General Hospital, Beijing, China
| | - Yunhe Gao
- Department of General Surgery & Institute of General Surgery, Chinese PLA General Hospital, Beijing, China
| | - Hongqing Xi
- Department of General Surgery & Institute of General Surgery, Chinese PLA General Hospital, Beijing, China
| | - Lin Chen
- Department of General Surgery & Institute of General Surgery, Chinese PLA General Hospital, Beijing, China.
| |
Collapse
|
16
|
Yang Y, Liu KY, Liu Q, Cao Q. Androgen Receptor-Related Non-coding RNAs in Prostate Cancer. Front Cell Dev Biol 2021; 9:660853. [PMID: 33869227 PMCID: PMC8049439 DOI: 10.3389/fcell.2021.660853] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Accepted: 03/12/2021] [Indexed: 12/20/2022] Open
Abstract
Prostate cancer (PCa) is the second leading cause of cancer-related death among men in the United States. Androgen receptor (AR) signaling is the dominant oncogenic pathway in PCa and the main strategy of PCa treatment is to control the AR activity. A large number of patients acquire resistance to Androgen deprivation therapy (ADT) due to AR aberrant activation, resulting in castration-resistant prostate cancer (CRPC). Understanding the molecular mechanisms underlying AR signaling in the PCa is critical to identify new therapeutic targets for PCa patients. The recent advances in high-throughput RNA sequencing (RNA-seq) techniques identified an increasing number of non-coding RNAs (ncRNAs) that play critical roles through various mechanisms in different diseases. Some ncRNAs have shown great potentials as biomarkers and therapeutic targets. Many ncRNAs have been investigated to regulate PCa through direct association with AR. In this review, we aim to comprehensively summarize recent findings of the functional roles and molecular mechanisms of AR-related ncRNAs as AR regulators or targets in the progression of PCa.
Collapse
Affiliation(s)
- Yongyong Yang
- Department of Urology, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States.,Robert H. Lurie Comprehensive Cancer Center, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
| | - Kilia Y Liu
- Department of Urology, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States.,Robert H. Lurie Comprehensive Cancer Center, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
| | - Qi Liu
- Department of Urology, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States.,Robert H. Lurie Comprehensive Cancer Center, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
| | - Qi Cao
- Department of Urology, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States.,Robert H. Lurie Comprehensive Cancer Center, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
| |
Collapse
|
17
|
Potential roles of telomeres and telomerase in neurodegenerative diseases. Int J Biol Macromol 2020; 163:1060-1078. [DOI: 10.1016/j.ijbiomac.2020.07.046] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Revised: 06/23/2020] [Accepted: 07/06/2020] [Indexed: 12/16/2022]
|
18
|
Huang WK, Yeh CN. The Emerging Role of MicroRNAs in Regulating the Drug Response of Cholangiocarcinoma. Biomolecules 2020; 10:biom10101396. [PMID: 33007962 PMCID: PMC7600158 DOI: 10.3390/biom10101396] [Citation(s) in RCA: 5] [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: 09/02/2020] [Revised: 09/22/2020] [Accepted: 09/29/2020] [Indexed: 12/12/2022] Open
Abstract
Cholangiocarcinoma (CCA) is the most common biliary malignancy, and has a poor prognosis. The median overall survival with the standard-of-care chemotherapy (Gemcitabine and cisplatin) in patients with advanced-stage CCA is less than one year. The limited efficacy of chemotherapy or targeted therapy remains a major obstacle to improving survival. The mechanisms involved in drug resistance are complex. Research efforts focusing on the distinct molecular mechanisms underlying drug resistance should prompt the development of treatment strategies that overcome chemoresistance or targeted drug resistance. MicroRNAs (miRNAs) are a class of evolutionarily conserved, short noncoding RNAs regulating gene expression at the post-transcriptional level. Dysregulated miRNAs have been shown to participate in almost all CCA hallmarks, including cell proliferation, migration and invasion, apoptosis, and the epithelial-to-mesenchymal transition. Emerging evidence demonstrates that miRNAs play a role in regulating responses to chemotherapy and targeted therapy. Herein, we present an overview of the current knowledge on the miRNA-mediated regulatory mechanisms underlying drug resistance among CCA. We also discuss the application of miRNA-based therapeutics to CCA, providing the basis for innovative treatment approaches.
Collapse
Affiliation(s)
- Wen-Kuan Huang
- Division of Hematology-Oncology, Department of Internal Medicine, Chang Gung Memorial Hospital at Linkou, Chang Gung University College of Medicine, Taoyuan 333, Taiwan;
| | - Chun-Nan Yeh
- Department of Surgery and Liver Research Center, Chang Gung Memorial Hospital at Linkou, Chang Gung University College of Medicine, Taoyuan 333, Taiwan
- Correspondence: ; Tel.: +886-3281200
| |
Collapse
|
19
|
Modulation of telomerase expression and function by miRNAs: Anti-cancer potential. Life Sci 2020; 259:118387. [PMID: 32890603 DOI: 10.1016/j.lfs.2020.118387] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2020] [Revised: 08/24/2020] [Accepted: 08/30/2020] [Indexed: 12/11/2022]
Abstract
Telomerase is a nucleoprotein reverse transcriptase that maintains the telomere, a protective structure at the ends of the chromosome, and is active in cancer cells, stem cells, and fetal cells. Telomerase immortalizes cancer cells and induces unlimited cell division by preventing telomere shortening. Immortalized cancer cells have unlimited proliferative potential due to telomerase activity that causes tumorigenesis and malignancy. Therefore, telomerase can be a lucrative anti-cancer target. The regulation of catalytic subunit of telomerase (TERT) determines the extent of telomerase activity. miRNAs, as an endogenous regulator of gene expression, can control telomerase activity by targeting TERT mRNA. miRNAs that have a decreasing effect on TERT translation mediate modulation of telomerase activity in cancer cells by binding to TERT mRNA and regulating TERT translation. In this review, we provide an update on miRNAs that influence telomerase activity by regulation of TERT translation.
Collapse
|
20
|
Eckburg A, Dein J, Berei J, Schrank Z, Puri N. Oligonucleotides and microRNAs Targeting Telomerase Subunits in Cancer Therapy. Cancers (Basel) 2020; 12:cancers12092337. [PMID: 32825005 PMCID: PMC7565511 DOI: 10.3390/cancers12092337] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Revised: 08/15/2020] [Accepted: 08/17/2020] [Indexed: 12/15/2022] Open
Abstract
Telomerase provides cancer cells with replicative immortality, and its overexpression serves as a near-universal marker of cancer. Anti-cancer therapeutics targeting telomerase have garnered interest as possible alternatives to chemotherapy and radiotherapy. Oligonucleotide-based therapies that inhibit telomerase through direct or indirect modulation of its subunits, human telomerase reverse transcriptase (hTERT) and human telomerase RNA gene (hTERC), are a unique and diverse subclass of telomerase inhibitors which hold clinical promise. MicroRNAs that play a role in the upregulation or downregulation of hTERT and respective progression or attenuation of cancer development have been effectively targeted to reduce telomerase activity in various cancer types. Tumor suppressor miRNAs, such as miRNA-512-5p, miRNA-138, and miRNA-128, and oncogenic miRNAs, such as miRNA-19b, miRNA-346, and miRNA-21, have displayed preclinical promise as potential hTERT-based therapeutic targets. Antisense oligonucleotides like GRN163L and T-oligos have also been shown to uniquely target the telomerase subunits and have become popular in the design of novel cancer therapies. Finally, studies suggest that G-quadruplex stabilizers, such as Telomestatin, preserve telomeric oligonucleotide architecture, thus inhibiting hTERC binding to the telomere. This review aims to provide an adept understanding of the conceptual foundation and current state of therapeutics utilizing oligonucleotides to target the telomerase subunits, including the advantages and drawbacks of each of these approaches.
Collapse
|
21
|
Sonoda S, Murata S, Nishida K, Kato H, Uehara N, Kyumoto YN, Yamaza H, Takahashi I, Kukita T, Yamaza T. Extracellular vesicles from deciduous pulp stem cells recover bone loss by regulating telomerase activity in an osteoporosis mouse model. Stem Cell Res Ther 2020; 11:296. [PMID: 32680564 PMCID: PMC7367365 DOI: 10.1186/s13287-020-01818-0] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 06/23/2020] [Accepted: 07/08/2020] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Systemic transplantation of stem cells from human exfoliated deciduous teeth (SHED) recovers bone loss in animal models of osteoporosis; however, the mechanisms underlying this remain unclear. Here, we hypothesized that trophic factors within SHED-releasing extracellular vesicles (SHED-EVs) rescue osteoporotic phenotype. METHODS EVs were isolated from culture supernatant of SHED. SHED-EVs were treated with or without ribonuclease and systemically administrated into ovariectomized mice, followed by the function of recipient bone marrow mesenchymal stem cells (BMMSCs) including telomerase activity, osteoblast differentiation, and sepmaphorine-3A (SEMA3A) secretion. Subsequently, human BMMSCs were stimulated by SHED-EVs with or without ribonuclease treatment, and then human BMMSCs were examined regarding the function of telomerase activity, osteoblast differentiation, and SEMA3A secretion. Furthermore, SHED-EV-treated human BMMSCs were subcutaneously transplanted into the dorsal skin of immunocompromised mice with hydroxyapatite tricalcium phosphate (HA/TCP) careers and analyzed the de novo bone-forming ability. RESULTS We revealed that systemic SHED-EV-infusion recovered bone volume in ovariectomized mice and improved the function of recipient BMMSCs by rescuing the mRNA levels of Tert and telomerase activity, osteoblast differentiation, and SEMA3A secretion. Ribonuclease treatment depleted RNAs, including microRNAs, within SHED-EVs, and these RNA-depleted SHED-EVs attenuated SHED-EV-rescued function of recipient BMMSCs in the ovariectomized mice. These findings were supported by in vitro assays using human BMMSCs incubated with SHED-EVs. CONCLUSION Collectively, our findings suggest that SHED-secreted RNAs, such as microRNAs, play a crucial role in treating postmenopausal osteoporosis by targeting the telomerase activity of recipient BMMSCs.
Collapse
Affiliation(s)
- Soichiro Sonoda
- Department of Molecular Cell Biology and Oral Anatomy, Division of Oral Biological Sciences, Graduate School of Dental Science, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Sara Murata
- Department of Molecular Cell Biology and Oral Anatomy, Division of Oral Biological Sciences, Graduate School of Dental Science, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan
- Section of Orthodontics and Dentofacial Orthopedics, Division of Oral Health, Growth & Development, Faculty of Dental Science, Kyushu University, Fukuoka, Japan
| | - Kento Nishida
- Department of Molecular Cell Biology and Oral Anatomy, Division of Oral Biological Sciences, Graduate School of Dental Science, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Hiroki Kato
- Department of Molecular Cell Biology and Oral Anatomy, Division of Oral Biological Sciences, Graduate School of Dental Science, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Norihisa Uehara
- Department of Molecular Cell Biology and Oral Anatomy, Division of Oral Biological Sciences, Graduate School of Dental Science, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Yukari N Kyumoto
- Department of Molecular Cell Biology and Oral Anatomy, Division of Oral Biological Sciences, Graduate School of Dental Science, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Haruyoshi Yamaza
- Department of Pediatric Dentistry, Division of Oral Health, Growth & Development, Graduate School of Dental Science, Kyushu University, Fukuoka, Japan
| | - Ichiro Takahashi
- Section of Orthodontics and Dentofacial Orthopedics, Division of Oral Health, Growth & Development, Faculty of Dental Science, Kyushu University, Fukuoka, Japan
| | - Toshio Kukita
- Department of Molecular Cell Biology and Oral Anatomy, Division of Oral Biological Sciences, Graduate School of Dental Science, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Takayoshi Yamaza
- Department of Molecular Cell Biology and Oral Anatomy, Division of Oral Biological Sciences, Graduate School of Dental Science, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan.
| |
Collapse
|
22
|
Miao J, Regenstein JM, Xu D, Zhou D, Li H, Zhang H, Li C, Qiu J, Chen X. The roles of microRNA in human cervical cancer. Arch Biochem Biophys 2020; 690:108480. [PMID: 32681832 DOI: 10.1016/j.abb.2020.108480] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2020] [Revised: 06/19/2020] [Accepted: 06/20/2020] [Indexed: 12/13/2022]
Abstract
Although a potentially preventable disease, cervical cancer (CC) is the second most commonly diagnosed gynaecological cancer with at least 530,000 new cases annually, and the prognosis with CC is still poor. Studies suggest that aberrant expression of microRNA (miRNA) contributes to the progression of CC. As a group of small non-coding RNA with 18-25 nucleotides, miRNA regulate about one-third of all human genes. They function by repressing translation or inducing mRNA cleavage or degradation, including genes involved in diverse and important cellular processes, including cell cycling, proliferation, differentiation, and apoptosis. Results showed that misexpression of miRNA is closely related to the onset and progression of CC. This review will provide an overview of the function of miRNA in CC and the mechanisms involved in cervical carcinogenesis.
Collapse
Affiliation(s)
- Jingnan Miao
- Key Laboratory of Tropical Translational Medicine of Ministry of Education, Haikou, Hainan, 570100, China; School of Pharmacy, Hainan Medical University, Haikou, Hainan, 570100, China
| | - Joe M Regenstein
- Department of Food Science, Cornell University, Ithaca, NY, 14853-7201, USA
| | - Dan Xu
- School of Pharmacy, Hainan Medical University, Haikou, Hainan, 570100, China
| | - Dan Zhou
- School of Pharmacy, Hainan Medical University, Haikou, Hainan, 570100, China
| | - Haixia Li
- School of Pharmacy, Hainan Medical University, Haikou, Hainan, 570100, China
| | - Hua Zhang
- Department of Food Science, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, Heilongjiang, 150010, China
| | - Chunfeng Li
- Gastrointestinal Surgical Ward, Tumor Hospital of Harbin Medical University, Harbin, Heilongjiang, 150081, China
| | - Junqiang Qiu
- Key Laboratory of Tropical Translational Medicine of Ministry of Education, Haikou, Hainan, 570100, China; School of Pharmacy, Hainan Medical University, Haikou, Hainan, 570100, China; Hainan Provincial Key Laboratory of R & D on Tropical Herbs, Haikou, Hainan, 570100, China.
| | - Xun Chen
- Key Laboratory of Tropical Translational Medicine of Ministry of Education, Haikou, Hainan, 570100, China; School of Pharmacy, Hainan Medical University, Haikou, Hainan, 570100, China; Hainan Provincial Key Laboratory of R & D on Tropical Herbs, Haikou, Hainan, 570100, China
| |
Collapse
|
23
|
Xu C, Yuan B, He T, Ding B, Li S. Prognostic values of YTHDF1 regulated negatively by mir-3436 in Glioma. J Cell Mol Med 2020; 24:7538-7549. [PMID: 32449290 PMCID: PMC7339155 DOI: 10.1111/jcmm.15382] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2020] [Revised: 04/16/2020] [Accepted: 04/22/2020] [Indexed: 12/15/2022] Open
Abstract
M6A methylation is likely to be closely associated with the occurrence and development of tumours. In this study, we demonstrated that the transcription levels of the m6A RNA methylation regulators are closely related to the prognosis of glioma. Univariate Cox analysis was performed on the expression levels of methylation regulators and selected three hub genes in glioma. Next, we systematically compared the expression of these m6A RNA methylation regulators in gliomas with different clinicopathological features. The overall survival (OS) curve of the hub genes was initially established based on TCGA database information. YTHDF1 was selected from the hub genes following survival and prognosis analysis. A nomogram was developed to predict the survival probability. We further performed cell function and in vivo xenograft tumour experiments to further verify its role in tumour progression. Next, based on the miRanda and miRDB databases, we predicted one microRNA, hsa-mir-346, that might regulate and bind to 3'UTR of YTHDF1, which was confirmed by our fluorescent enzyme reporter gene experiment. In summary, m6A RNA methylation regulators play a potential role in the progression of gliomas. YTHDF1 may have an essential function in glioma diagnosis, treatment and prognosis.
Collapse
Affiliation(s)
- Chenyang Xu
- Henan University, Kaifeng, Henan, P.R. China.,Department of Neurosurgery, Huaihe Hospital of Henan University, Kaifeng, Henan, P.R. China
| | - Bingjian Yuan
- Henan University, Kaifeng, Henan, P.R. China.,Department of Neurosurgery, Huaihe Hospital of Henan University, Kaifeng, Henan, P.R. China
| | - Tao He
- Henan University, Kaifeng, Henan, P.R. China.,Department of Neurosurgery, Huaihe Hospital of Henan University, Kaifeng, Henan, P.R. China
| | - Bingqian Ding
- Henan University, Kaifeng, Henan, P.R. China.,Department of Neurosurgery, Huaihe Hospital of Henan University, Kaifeng, Henan, P.R. China
| | - Song Li
- Henan University, Kaifeng, Henan, P.R. China.,Department of Urology, Huaihe Hospital of Henan University, Kaifeng, Henan, P.R. China
| |
Collapse
|
24
|
Berei J, Eckburg A, Miliavski E, Anderson AD, Miller RJ, Dein J, Giuffre AM, Tang D, Deb S, Racherla KS, Patel M, Vela MS, Puri N. Potential Telomere-Related Pharmacological Targets. Curr Top Med Chem 2020; 20:458-484. [DOI: 10.2174/1568026620666200109114339] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2019] [Revised: 11/21/2019] [Accepted: 11/21/2019] [Indexed: 12/22/2022]
Abstract
Telomeres function as protective caps at the terminal portion of chromosomes, containing
non-coding nucleotide sequence repeats. As part of their protective function, telomeres preserve genomic
integrity and minimize chromosomal exposure, thus limiting DNA damage responses. With
continued mitotic divisions in normal cells, telomeres progressively shorten until they reach a threshold
at a point where they activate senescence or cell death pathways. However, the presence of the enzyme
telomerase can provide functional immortality to the cells that have reached or progressed past
senescence. In senescent cells that amass several oncogenic mutations, cancer formation can occur due
to genomic instability and the induction of telomerase activity. Telomerase has been found to be expressed
in over 85% of human tumors and is labeled as a near-universal marker for cancer. Due to this
feature being present in a majority of tumors but absent in most somatic cells, telomerase and telomeres
have become promising targets for the development of new and effective anticancer therapeutics.
In this review, we evaluate novel anticancer targets in development which aim to alter telomerase
or telomere function. Additionally, we analyze the progress that has been made, including preclinical
studies and clinical trials, with therapeutics directed at telomere-related targets. Furthermore, we review
the potential telomere-related therapeutics that are used in combination therapy with more traditional
cancer treatments. Throughout the review, topics related to medicinal chemistry are discussed,
including drug bioavailability and delivery, chemical structure-activity relationships of select therapies,
and the development of a unique telomere assay to analyze compounds affecting telomere elongation.
Collapse
Affiliation(s)
- Joseph Berei
- Department of Biomedical Sciences, University of Illinois College of Medicine at Rockford, Rockford, IL 61107, United States
| | - Adam Eckburg
- Department of Biomedical Sciences, University of Illinois College of Medicine at Rockford, Rockford, IL 61107, United States
| | - Edward Miliavski
- Department of Biomedical Sciences, University of Illinois College of Medicine at Rockford, Rockford, IL 61107, United States
| | - Austin D. Anderson
- Department of Biomedical Sciences, University of Illinois College of Medicine at Rockford, Rockford, IL 61107, United States
| | - Rachel J. Miller
- Department of Biomedical Sciences, University of Illinois College of Medicine at Rockford, Rockford, IL 61107, United States
| | - Joshua Dein
- Department of Biomedical Sciences, University of Illinois College of Medicine at Rockford, Rockford, IL 61107, United States
| | - Allison M. Giuffre
- Department of Biomedical Sciences, University of Illinois College of Medicine at Rockford, Rockford, IL 61107, United States
| | - Diana Tang
- Department of Biomedical Sciences, University of Illinois College of Medicine at Rockford, Rockford, IL 61107, United States
| | - Shreya Deb
- Department of Biomedical Sciences, University of Illinois College of Medicine at Rockford, Rockford, IL 61107, United States
| | - Kavya Sri Racherla
- Department of Biomedical Sciences, University of Illinois College of Medicine at Rockford, Rockford, IL 61107, United States
| | - Meet Patel
- Department of Biomedical Sciences, University of Illinois College of Medicine at Rockford, Rockford, IL 61107, United States
| | - Monica Saravana Vela
- Department of Biomedical Sciences, University of Illinois College of Medicine at Rockford, Rockford, IL 61107, United States
| | - Neelu Puri
- Department of Biomedical Sciences, University of Illinois College of Medicine at Rockford, Rockford, IL 61107, United States
| |
Collapse
|
25
|
Ullah M, Ng NN, Concepcion W, Thakor AS. Emerging role of stem cell-derived extracellular microRNAs in age-associated human diseases and in different therapies of longevity. Ageing Res Rev 2020; 57:100979. [PMID: 31704472 DOI: 10.1016/j.arr.2019.100979] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2019] [Revised: 10/17/2019] [Accepted: 10/28/2019] [Indexed: 12/15/2022]
Abstract
Organismal aging involves the progressive decline in organ function and increased susceptibility to age-associated diseases. This has been associated with the aging of stem cell populations within the body that decreases the capacity of stem cells to self-renew, differentiate, and regenerate damaged tissues and organs. This review aims to explore how aging is associated with the dysregulation of stem cell-derived extracellular vesicles (SCEVs) and their corresponding miRNA cargo (SCEV-miRNAs), which are short non-coding RNAs involved in post-transcriptional regulation of target genes. Recent evidence has suggested that in aging stem cells, SCEV-miRNAs may play a vital role regulating various processes that contribute to aging: cellular senescence, stem cell exhaustion, telomere length, and circadian rhythm. Hence, further clarifying the age-dependent molecular mechanisms through which SCEV-miRNAs exert their downstream effects may inform a greater understanding of the biology of aging, elucidate their role in stem cell function, and identify important targets for future regenerative therapies. Additionally, current studies evaluating therapeutic role of SCEVs and SCEV-miRNAs in treating several age-associated diseases are also discussed.
Collapse
|
26
|
Li P, Zhang Q, Tang H. INPP1 up-regulation by miR-27a contributes to the growth, migration and invasion of human cervical cancer. J Cell Mol Med 2019; 23:7709-7716. [PMID: 31557403 PMCID: PMC6815772 DOI: 10.1111/jcmm.14644] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2018] [Revised: 08/07/2019] [Accepted: 08/10/2019] [Indexed: 01/05/2023] Open
Abstract
Inositol polyphosphate‐1‐phosphatase (INPP1) is an enzyme that is responsible for glycolysis and lipid metabolism. Here, we discovered that INPP1 expression was up‐regulated in CC tissues compared to that in adjacent normal tissues by RT‐qPCR. Inositol polyphosphate‐1‐phosphatase overexpression promoted and INPP1 knockdown suppressed cell viability, cellular migration/invasion and EMT in CC cells. To explore the mechanism of dysregulation, INPP1 was predicted to be a target of miR‐27a, and a pmiRGLO dual‐luciferase reporter assay showed that miR‐27a bound to the 3′ UTR of INPP1. RT‐qPCR revealed that miR‐27a was also up‐regulated and had a positive correlation with INPP1 expression in CC tissues. Furthermore, shR‐INPP1 could favour the malignant phenotype reversion induced by miR‐27a, suggesting that miR‐27a up‐regulates INPP1 to promote tumorigenic activities. Altogether, our findings show that the up‐regulation of INPP1 by miR‐27a contributes to tumorigenic activities and may provide a potential biomarker for CC.
Collapse
Affiliation(s)
- Pu Li
- Tianjin Central Obstetrics and Gynecology Hospital, Reproductive Medical Center, Tianjin, China
| | - Qiaoge Zhang
- Tianjin Life Science Research Center and Department of Pathogen, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, China
| | - Hua Tang
- Tianjin Life Science Research Center and Department of Pathogen, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, China
| |
Collapse
|
27
|
Yao L, Zhou Y, Sui Z, Zhang Y, Liu Y, Xie H, Gao H, Fan H, Zhang Y, Liu M, Li S, Tang H. HBV-encoded miR-2 functions as an oncogene by downregulating TRIM35 but upregulating RAN in liver cancer cells. EBioMedicine 2019; 48:117-129. [PMID: 31530503 PMCID: PMC6838411 DOI: 10.1016/j.ebiom.2019.09.012] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2019] [Revised: 08/24/2019] [Accepted: 09/06/2019] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND Hepatitis B virus (HBV) infection has been well established as a high-risk factor for the carcinogenesis of hepatocellular carcinoma (HCC). Cellular microRNA (miRNA) is involved in tumorigenesis by accelerating the malignant phenotype in HCC. However, whether HBV can encode miRNAs that contribute to HCC is not entirely clear. METHODS In this study, an miRNA encoded by HBV (HBV-miR-2) was identified by Solexa sequencing in HBV-positive HCC specimens and further verified in serum samples from HCC patients with HBV infection and in HBV-positive HCC cell lines. To evaluate the roles of HBV-miR-2 in liver cancer cells, we determined cell viability and migration/invasion ability by gain-of-function experiment in HBV(-) liver cancer cells (HepG2 and Huh7) and loss-of-function experiments in Huh7 cells stably expressing HBV-miR-2 (Huh7/HBV-miR-2 cells) and HepG2.2.15 cells. Furthermore, to elucidate the mechanism by which HBV-miR-2 work on cell malignancy, we identified and studied the effect of two target genes (TRIM35 and RAN) of HBV-miR-2 in liver cancer cells. FINDINGS We revealed that HBV-miR-2 promoted HCC cell growth ability by suppressing apoptosis and promoting migration and invasion by enhancing the epithelial-mesenchymal transition (EMT), functioning as an oncogene in the development of HBV-related HCC. Furthermore, we demonstrated that HBV-miR-2 suppresses the expression of TRIM35 but enhances RAN expression by targeting their 3'-untranslated regions (3'UTR) and that the ectopic expression of TRIM35 or knockdown of RAN counteracted the malignant phenotypes induced by HBV-miR-2. INTERPRETATION Our findings indicate that an HBV-encoded miRNA, HBV-miR-2, promotes oncogenic activity by downregulating TRIM35 expression and upregulating RAN expression in liver cancer cells, likely providing insight into tumorigenesis in HBV-related liver cancer. FUND: This work was supported in part by the National Natural Science Foundation of China (No: 81830094; 91629302; 31270818) and the Natural Science Foundation of Tianjin (No: 12JCZDJC25100).
Collapse
Affiliation(s)
- Lili Yao
- Tianjin Life Science Research Center, Tianjin Laboratory of Inflammation Biology, Collaborative Innovation Center of Tianjin for Medical Epigenetics, Department of Pathogen Biology, Basic Medical School, Tianjin Medical University, Tianjin 300070, China
| | - Yadi Zhou
- Tianjin Life Science Research Center, Tianjin Laboratory of Inflammation Biology, Collaborative Innovation Center of Tianjin for Medical Epigenetics, Department of Pathogen Biology, Basic Medical School, Tianjin Medical University, Tianjin 300070, China
| | - Zhenhua Sui
- Tianjin Life Science Research Center, Tianjin Laboratory of Inflammation Biology, Collaborative Innovation Center of Tianjin for Medical Epigenetics, Department of Pathogen Biology, Basic Medical School, Tianjin Medical University, Tianjin 300070, China
| | - Yanling Zhang
- Tianjin Life Science Research Center, Tianjin Laboratory of Inflammation Biology, Collaborative Innovation Center of Tianjin for Medical Epigenetics, Department of Pathogen Biology, Basic Medical School, Tianjin Medical University, Tianjin 300070, China
| | - Yankun Liu
- The Cancer Institute, Tangshan People's Hospital, Tangshan 063001, China
| | - Hong Xie
- Tianjin Life Science Research Center, Tianjin Laboratory of Inflammation Biology, Collaborative Innovation Center of Tianjin for Medical Epigenetics, Department of Pathogen Biology, Basic Medical School, Tianjin Medical University, Tianjin 300070, China.
| | - Huijie Gao
- Tianjin Life Science Research Center, Tianjin Laboratory of Inflammation Biology, Collaborative Innovation Center of Tianjin for Medical Epigenetics, Department of Pathogen Biology, Basic Medical School, Tianjin Medical University, Tianjin 300070, China
| | - Hongxia Fan
- Tianjin Life Science Research Center, Tianjin Laboratory of Inflammation Biology, Collaborative Innovation Center of Tianjin for Medical Epigenetics, Department of Pathogen Biology, Basic Medical School, Tianjin Medical University, Tianjin 300070, China
| | - Yi Zhang
- Tianjin Life Science Research Center, Tianjin Laboratory of Inflammation Biology, Collaborative Innovation Center of Tianjin for Medical Epigenetics, Department of Pathogen Biology, Basic Medical School, Tianjin Medical University, Tianjin 300070, China
| | - Min Liu
- Tianjin Life Science Research Center, Tianjin Laboratory of Inflammation Biology, Collaborative Innovation Center of Tianjin for Medical Epigenetics, Department of Pathogen Biology, Basic Medical School, Tianjin Medical University, Tianjin 300070, China
| | - Shengping Li
- State Key Laboratory of Oncology in Southern China, Department of Hepatobiliary Oncology, Cancer Center, Sun Yat-sen University, Guangzhou 510060, China.
| | - Hua Tang
- Tianjin Life Science Research Center, Tianjin Laboratory of Inflammation Biology, Collaborative Innovation Center of Tianjin for Medical Epigenetics, Department of Pathogen Biology, Basic Medical School, Tianjin Medical University, Tianjin 300070, China.
| |
Collapse
|
28
|
A novel miRNA identified in GRSF1 complex drives the metastasis via the PIK3R3/AKT/NF-κB and TIMP3/MMP9 pathways in cervical cancer cells. Cell Death Dis 2019; 10:636. [PMID: 31474757 PMCID: PMC6717739 DOI: 10.1038/s41419-019-1841-5] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2018] [Revised: 07/13/2019] [Accepted: 07/18/2019] [Indexed: 12/19/2022]
Abstract
microRNAs (miRNAs) play an important role in carcinogenesis. Typically, miRNAs downregulate the target expression by binding to the 3′ UTR of mRNAs. However, recent studies have demonstrated that miRNAs can upregulate target gene expression, but its mechanism is not fully understood. We previously found that G-rich RNA sequence binding protein (GRSF1) mediates upregulation of miR-346 on hTERT gene. To explore whether GRSF1 mediate other miRNA’s upregulation on their target genes, we obtained profile of GRSF1-bound miRNAs by Flag-GRSF1-RIP-deep sequencing and found 12 novel miRNAs, named miR-G. In this study, we focused on miR-G-10, which is highly expressed in cervical cancer tissues and cell lines and serum from patients with metastatic cervical cancer. miR-G-10 in cervical cancer cells significantly promoted migration/invasion and anoikis resistance in vitro and lung metastasis in vivo. Furthermore, miR-G-10 bound to the 3′ UTR of PIK3R3 and upregulated its expression to activate the AKT/NF-κB signal pathway in a GRSF1-dependent manner, whereas miR-G-10 suppressed TIMP3 in the AGO2 complex to modulate the MMP9 signaling pathway in cervical cancer cells. Taken together, our findings may provide a new insight into the upregulation mechanism mediated by miRNAs and a potential biomarker for cervical cancer.
Collapse
|
29
|
Chen X, Tang WJ, Shi JB, Liu MM, Liu XH. Therapeutic strategies for targeting telomerase in cancer. Med Res Rev 2019; 40:532-585. [PMID: 31361345 DOI: 10.1002/med.21626] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2019] [Revised: 07/12/2019] [Accepted: 07/16/2019] [Indexed: 12/13/2022]
Abstract
Telomere and telomerase play important roles in abnormal cell proliferation, metastasis, stem cell maintenance, and immortalization in various cancers. Therefore, designing of drugs targeting telomerase and telomere is of great significance. Over the past two decades, considerable knowledge regarding telomere and telomerase has been accumulated, which provides theoretical support for the design of therapeutic strategies such as telomere elongation. Therefore, the development of telomere-based therapies such as nucleoside analogs, non-nucleoside small molecules, antisense technology, ribozymes, and dominant negative human telomerase reverse transcriptase are being prioritized for eradicating a majority of tumors. While the benefits of telomere-based therapies are obvious, there is a need to address the limitations of various therapeutic strategies to improve the possibility of clinical applications. In this study, current knowledge of telomere and telomerase is discussed, and therapeutic strategies based on recent research are reviewed.
Collapse
Affiliation(s)
- Xing Chen
- School of Pharmacy, Anhui Province Key Laboratory of Major Autoimmune Diseases, Anhui Medical University, Hefei, People's Republic of China
| | - Wen-Jian Tang
- School of Pharmacy, Anhui Province Key Laboratory of Major Autoimmune Diseases, Anhui Medical University, Hefei, People's Republic of China
| | - Jing Bo Shi
- School of Pharmacy, Anhui Province Key Laboratory of Major Autoimmune Diseases, Anhui Medical University, Hefei, People's Republic of China
| | - Ming Ming Liu
- School of Pharmacy, Anhui Province Key Laboratory of Major Autoimmune Diseases, Anhui Medical University, Hefei, People's Republic of China
| | - Xin-Hua Liu
- School of Pharmacy, Anhui Province Key Laboratory of Major Autoimmune Diseases, Anhui Medical University, Hefei, People's Republic of China
| |
Collapse
|
30
|
Jie MM, Chang X, Zeng S, Liu C, Liao GB, Wu YR, Liu CH, Hu CJ, Yang SM, Li XZ. Diverse regulatory manners of human telomerase reverse transcriptase. Cell Commun Signal 2019; 17:63. [PMID: 31186051 PMCID: PMC6560729 DOI: 10.1186/s12964-019-0372-0] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2018] [Accepted: 05/17/2019] [Indexed: 12/22/2022] Open
Abstract
Human telomerase reverse transcriptase (hTERT) is the core subunit of human telomerase and plays important roles in human cancers. Aberrant expression of hTERT is closely associated with tumorigenesis, cancer cell stemness maintaining, cell proliferation, apoptosis inhibition, senescence evasion and metastasis. The molecular basis of hTERT regulation is highly complicated and consists of various layers. A deep and full-scale comprehension of the regulatory mechanisms of hTERT is pivotal in understanding the pathogenesis and searching for therapeutic approaches. In this review, we summarize the recent advances regarding the diverse regulatory mechanisms of hTERT, including the transcriptional (promoter mutation, promoter region methylation and histone acetylation), post-transcriptional (mRNA alternative splicing and non-coding RNAs) and post-translational levels (phosphorylation and ubiquitination), which may provide novel perspectives for further translational diagnosis or therapeutic strategies targeting hTERT.
Collapse
Affiliation(s)
- Meng-Meng Jie
- Department of Gastroenterology, Xinqiao Hospital, Third Military Medical University (Army Medical University), Chongqing, 400037, China
| | - Xing Chang
- Department of Gastroenterology, Xinqiao Hospital, Third Military Medical University (Army Medical University), Chongqing, 400037, China
| | - Shuo Zeng
- Department of Gastroenterology, Xinqiao Hospital, Third Military Medical University (Army Medical University), Chongqing, 400037, China
| | - Cheng Liu
- Department of Gastroenterology, Xinqiao Hospital, Third Military Medical University (Army Medical University), Chongqing, 400037, China
| | - Guo-Bin Liao
- Department of Gastroenterology, Xinqiao Hospital, Third Military Medical University (Army Medical University), Chongqing, 400037, China
| | - Ya-Ran Wu
- Department of Gastroenterology, Xinqiao Hospital, Third Military Medical University (Army Medical University), Chongqing, 400037, China
| | - Chun-Hua Liu
- Teaching evaluation center of Third Military Medical University (Army Medical University), Chongqing, 400038, China
| | - Chang-Jiang Hu
- Department of Gastroenterology, Xinqiao Hospital, Third Military Medical University (Army Medical University), Chongqing, 400037, China
| | - Shi-Ming Yang
- Department of Gastroenterology, Xinqiao Hospital, Third Military Medical University (Army Medical University), Chongqing, 400037, China.
| | - Xin-Zhe Li
- Department of Gastroenterology, Xinqiao Hospital, Third Military Medical University (Army Medical University), Chongqing, 400037, China.
| |
Collapse
|
31
|
Yi J, Fan Y, Zhang L, Wang H, Mu T, Xie H, Gao H, Liu M, Li S, Tang H. MiR-HCC2 Up-regulates BAMBI and ELMO1 Expression to Facilitate the Proliferation and EMT of Hepatocellular Carcinoma Cells. J Cancer 2019; 10:3407-3419. [PMID: 31293644 PMCID: PMC6603416 DOI: 10.7150/jca.30858] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2018] [Accepted: 04/23/2019] [Indexed: 12/14/2022] Open
Abstract
MicroRNAs (miRNAs) are a class of gene expression regulators that participate in the occurrence and development of hepatocellular carcinoma (HCC), although the underlying mechanism by which they function in HCC has not been fully elucidated. Here, small RNA deep sequencing was used to identify aberrantly expressed miRNAs in HCC tissues, and a novel miRNA named miR-HCC2 was identified. RT-qPCR analysis demonstrated that miR-HCC2 displayed higher expression in HCC tissues than in adjacent non-tumor tissues. We documented that miR-HCC2 facilitated the growth, migration and invasion of HCC cells by accelerating cell cycle progression, incressing the expression of epithelial-to-mesenchymal transition (EMT)-associated marker vimentin but decreasing the expression of E-cadherin. MiR-HCC2 directly targeted the 3′ UTR of BAMBI and ELMO1 and up-regulated their expression. Both BAMBI and ELMO1 had the same patterns of expression with miR-HCC2 in HCC tissues. Additionally, blocking BAMBI or ELMO1 counteracted the phenotypic alterations elicited by miR-HCC2. Collectively, our investigation identified miR-HCC2 as a new positive modulator of HCC aggressiveness that may serve as a potential biomarker for the development of diagnostic and therapeutic approaches for HCC.
Collapse
Affiliation(s)
- Jianying Yi
- Tianjin Life Science Research Center and Department of Pathogen Biology, Collaborative Innovation Center of Tianjin for Medical Epigenetics, School of Basic Medical Sciences, Tianjin Medical University, Tianjin 300070, China
| | - Yajie Fan
- Tianjin Life Science Research Center and Department of Pathogen Biology, Collaborative Innovation Center of Tianjin for Medical Epigenetics, School of Basic Medical Sciences, Tianjin Medical University, Tianjin 300070, China
| | - Le Zhang
- Tianjin Life Science Research Center and Department of Pathogen Biology, Collaborative Innovation Center of Tianjin for Medical Epigenetics, School of Basic Medical Sciences, Tianjin Medical University, Tianjin 300070, China
| | - Hong Wang
- Tianjin Life Science Research Center and Department of Pathogen Biology, Collaborative Innovation Center of Tianjin for Medical Epigenetics, School of Basic Medical Sciences, Tianjin Medical University, Tianjin 300070, China
| | - Ting Mu
- Tianjin Life Science Research Center and Department of Pathogen Biology, Collaborative Innovation Center of Tianjin for Medical Epigenetics, School of Basic Medical Sciences, Tianjin Medical University, Tianjin 300070, China
| | - Hong Xie
- Tianjin Life Science Research Center and Department of Pathogen Biology, Collaborative Innovation Center of Tianjin for Medical Epigenetics, School of Basic Medical Sciences, Tianjin Medical University, Tianjin 300070, China
| | - Huijie Gao
- Tianjin Life Science Research Center and Department of Pathogen Biology, Collaborative Innovation Center of Tianjin for Medical Epigenetics, School of Basic Medical Sciences, Tianjin Medical University, Tianjin 300070, China
| | - Min Liu
- Tianjin Life Science Research Center and Department of Pathogen Biology, Collaborative Innovation Center of Tianjin for Medical Epigenetics, School of Basic Medical Sciences, Tianjin Medical University, Tianjin 300070, China
| | - Shengping Li
- State Key Laboratory of Oncology in Southern China, Department of Hepatobiliary Oncology, Cancer Center, Sun Yat-sen University, 651 Dong-Feng Road East, Guangzhou 510060, China
| | - Hua Tang
- Tianjin Life Science Research Center and Department of Pathogen Biology, Collaborative Innovation Center of Tianjin for Medical Epigenetics, School of Basic Medical Sciences, Tianjin Medical University, Tianjin 300070, China
| |
Collapse
|
32
|
Fletcher CE, Sulpice E, Combe S, Shibakawa A, Leach DA, Hamilton MP, Chrysostomou SL, Sharp A, Welti J, Yuan W, Dart DA, Knight E, Ning J, Francis JC, Kounatidou EE, Gaughan L, Swain A, Lupold SE, de Bono JS, McGuire SE, Gidrol X, Bevan CL. Androgen receptor-modulatory microRNAs provide insight into therapy resistance and therapeutic targets in advanced prostate cancer. Oncogene 2019; 38:5700-5724. [PMID: 31043708 PMCID: PMC6755970 DOI: 10.1038/s41388-019-0823-5] [Citation(s) in RCA: 51] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2018] [Revised: 02/05/2019] [Accepted: 02/05/2019] [Indexed: 02/07/2023]
Abstract
Androgen receptor (AR) signalling is a key prostate cancer (PC) driver, even in advanced ‘castrate-resistant’ disease (CRPC). To systematically identify microRNAs (miRs) modulating AR activity in lethal disease, hormone-responsive and -resistant PC cells expressing a luciferase-based AR reporter were transfected with a miR inhibitor library; 78 inhibitors significantly altered AR activity. Upon validation, miR-346, miR-361-3p and miR-197 inhibitors markedly reduced AR transcriptional activity, mRNA and protein levels, increased apoptosis, reduced proliferation, repressed EMT, and inhibited PC migration and invasion, demonstrating additive effects with AR inhibition. Corresponding miRs increased AR activity through a novel and anti-dogmatic mechanism of direct association with AR 6.9 kb 3′UTR and transcript stabilisation. In addition, miR-346 and miR-361-3p modulation altered levels of constitutively active AR variants, and inhibited variant-driven PC cell proliferation, so may contribute to persistent AR signalling in CRPC in the absence of circulating androgens. Pathway analysis of AGO-PAR-CLIP-identified miR targets revealed roles in DNA replication and repair, cell cycle, signal transduction and immune function. Silencing these targets, including tumour suppressors ARHGDIA and TAGLN2, phenocopied miR effects, demonstrating physiological relevance. MiR-346 additionally upregulated the oncogene, YWHAZ, which correlated with grade, biochemical relapse and metastasis in patients. These AR-modulatory miRs and targets correlated with AR activity in patient biopsies, and were elevated in response to long-term enzalutamide treatment of patient-derived CRPC xenografts. In summary, we identified miRs that modulate AR activity in PC and CRPC, via novel mechanisms, and may represent novel PC therapeutic targets.
Collapse
Affiliation(s)
- Claire E Fletcher
- Imperial Centre for Translational and Experimental Medicine, Department of Surgery & Cancer, Imperial College London, Hammersmith Hospital, Du Cane Road, London, W12 0NN, UK
| | - Eric Sulpice
- Université Grenoble Alpes, CEA, INSERM, BIG, BGE, 17 Avenue des Martyrs, 38054, Grenoble, France
| | - Stephanie Combe
- Université Grenoble Alpes, CEA, INSERM, BIG, BGE, 17 Avenue des Martyrs, 38054, Grenoble, France
| | - Akifumi Shibakawa
- Imperial Centre for Translational and Experimental Medicine, Department of Surgery & Cancer, Imperial College London, Hammersmith Hospital, Du Cane Road, London, W12 0NN, UK
| | - Damien A Leach
- Imperial Centre for Translational and Experimental Medicine, Department of Surgery & Cancer, Imperial College London, Hammersmith Hospital, Du Cane Road, London, W12 0NN, UK
| | - Mark P Hamilton
- Department of Molecular and Cellular Biology, Baylor College of Medicine, 1 Baylor Plaza Houston M822, Houston, TX, 77030, USA
| | - Stelios L Chrysostomou
- Imperial Centre for Translational and Experimental Medicine, Department of Surgery & Cancer, Imperial College London, Hammersmith Hospital, Du Cane Road, London, W12 0NN, UK
| | - Adam Sharp
- Prostate Cancer Target Therapy Group, Institute of Cancer Research and The Royal Marsden NHS Foundation Trust, Sutton, UK
| | - Jon Welti
- Prostate Cancer Target Therapy Group, Institute of Cancer Research and The Royal Marsden NHS Foundation Trust, Sutton, UK
| | - Wei Yuan
- Prostate Cancer Target Therapy Group, Institute of Cancer Research and The Royal Marsden NHS Foundation Trust, Sutton, UK
| | - Dafydd A Dart
- Imperial Centre for Translational and Experimental Medicine, Department of Surgery & Cancer, Imperial College London, Hammersmith Hospital, Du Cane Road, London, W12 0NN, UK
| | - Eleanor Knight
- Tumour Profiling Unit, Institute of Cancer Research, London, SW3 6JB, UK
| | - Jian Ning
- Tumour Profiling Unit, Institute of Cancer Research, London, SW3 6JB, UK
| | - Jeffrey C Francis
- Tumour Profiling Unit, Institute of Cancer Research, London, SW3 6JB, UK
| | - Evangelia E Kounatidou
- Northern Institute for Cancer Research, Newcastle University, Newcastle upon Tyne, NE2 4HH, UK
| | - Luke Gaughan
- Northern Institute for Cancer Research, Newcastle University, Newcastle upon Tyne, NE2 4HH, UK
| | - Amanda Swain
- Tumour Profiling Unit, Institute of Cancer Research, London, SW3 6JB, UK
| | - Shawn E Lupold
- The James Buchanan Brady Urological Institute, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Johann S de Bono
- Prostate Cancer Target Therapy Group, Institute of Cancer Research and The Royal Marsden NHS Foundation Trust, Sutton, UK
| | - Sean E McGuire
- Department of Molecular and Cell Biology, Baylor College of Medicine Hospital, Houston, TX, USA.,Dan L. Duncan Cancer Center, Baylor College of Medicine, Houston, TX, USA.,Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Xavier Gidrol
- Université Grenoble Alpes, CEA, INSERM, BIG, BGE, 17 Avenue des Martyrs, 38054, Grenoble, France
| | - Charlotte L Bevan
- Imperial Centre for Translational and Experimental Medicine, Department of Surgery & Cancer, Imperial College London, Hammersmith Hospital, Du Cane Road, London, W12 0NN, UK.
| |
Collapse
|
33
|
Yang Z, Sun Q, Guo J, Wang S, Song G, Liu W, Liu M, Tang H. GRSF1-mediated MIR-G-1 promotes malignant behavior and nuclear autophagy by directly upregulating TMED5 and LMNB1 in cervical cancer cells. Autophagy 2019; 15:668-685. [PMID: 30394198 PMCID: PMC6526811 DOI: 10.1080/15548627.2018.1539590] [Citation(s) in RCA: 55] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2018] [Revised: 10/14/2018] [Accepted: 10/17/2018] [Indexed: 02/07/2023] Open
Abstract
Emerging evidence has revealed that miRNAs could upregulate the expression levels of target genes. However, the molecular mechanism underlying upregulation of targets mediated by miRNAs remains unclear. In this study, we found a novel miRNA named MIR-G-1 by GRSF1-RNA immunoprecipitation (RIP)-deep sequencing, which could directly target and upregulate LMNB1 and TMED5 in a GRSF1-dependent manner in cervical cancer cells. In addition, upregulated MIR-G-1 in cervical cancer promoted a malignant phenotype in vitro and in vivo. TMED5 could interact with WNT7B and thus activated the canonical WNT-CTNNB1/β-catenin signaling pathway. MIR-G-1 mediated the activation of this pathway. Furthermore, MIR-G-1 promoted serum starvation-induced nuclear macroautophagy/autophagy, and accelerated taxol (TAX)-induced DNA-damage repair in cervical cancer cells. Collectively, these findings may provide a new insight into the upregulation mechanism and nuclear autophagy mediated by miRNAs and provide a potential biomarker for cervical cancer. Abbreviations: 3'UTR: 3' untranslated region; EMSA: electrophoretic mobility shift assay; EMT: epithelial-mesenchymal transition; GRSF1: G-rich RNA sequence binding factor 1; IF: immunofluorescence; IP: immunoprecipitation; IHC: immunohistochemistry; lnc: long noncoding; miRNA:microRNA; TAX: taxol; TMED5: transmembrane p24 trafficking protein 5.
Collapse
Affiliation(s)
- Zhen Yang
- Tianjin Life Science Research Center and Department of Pathogen Biology, Collaborative Innovation Center of Tianjin for Medical Epigenetics, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, China
| | - Qi Sun
- Tianjin Life Science Research Center and Department of Pathogen Biology, Collaborative Innovation Center of Tianjin for Medical Epigenetics, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, China
| | - Junfei Guo
- Tianjin Life Science Research Center and Department of Pathogen Biology, Collaborative Innovation Center of Tianjin for Medical Epigenetics, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, China
| | - Shixing Wang
- Tianjin Life Science Research Center and Department of Pathogen Biology, Collaborative Innovation Center of Tianjin for Medical Epigenetics, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, China
| | - Ge Song
- Tianjin Life Science Research Center and Department of Pathogen Biology, Collaborative Innovation Center of Tianjin for Medical Epigenetics, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, China
| | - Weiying Liu
- Tianjin Life Science Research Center and Department of Pathogen Biology, Collaborative Innovation Center of Tianjin for Medical Epigenetics, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, China
| | - Min Liu
- Tianjin Life Science Research Center and Department of Pathogen Biology, Collaborative Innovation Center of Tianjin for Medical Epigenetics, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, China
| | - Hua Tang
- Tianjin Life Science Research Center and Department of Pathogen Biology, Collaborative Innovation Center of Tianjin for Medical Epigenetics, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, China
| |
Collapse
|
34
|
Wu JW, Yin L, Liu YQ, Zhang H, Xie YF, Wang RL, Zhao GL. Synthesis, biological evaluation and 3D-QSAR studies of 1,2,4-triazole-5-substituted carboxylic acid bioisosteres as uric acid transporter 1 (URAT1) inhibitors for the treatment of hyperuricemia associated with gout. Bioorg Med Chem Lett 2019; 29:383-388. [DOI: 10.1016/j.bmcl.2018.12.036] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2018] [Revised: 12/14/2018] [Accepted: 12/16/2018] [Indexed: 01/06/2023]
|
35
|
Laudadio I, Orso F, Azzalin G, Calabrò C, Berardinelli F, Coluzzi E, Gioiosa S, Taverna D, Sgura A, Carissimi C, Fulci V. AGO2 promotes telomerase activity and interaction between the telomerase components TERT and TERC. EMBO Rep 2018; 20:embr.201845969. [PMID: 30591524 DOI: 10.15252/embr.201845969] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2018] [Revised: 11/16/2018] [Accepted: 11/26/2018] [Indexed: 12/31/2022] Open
Abstract
Telomerase reverse transcriptase (TERT) and telomerase RNA component (TERC) constitute the core telomerase enzyme that maintains the length of telomeres. Telomere maintenance is affected in a broad range of cancer and degenerative disorders. Taking advantage of gain- and loss-of-function approaches, we show that Argonaute 2 (AGO2) promotes telomerase activity and stimulates the association between TERT and TERC AGO2 depletion results in shorter telomeres as well as in lower proliferation rates in vitro and in vivo We also demonstrate that AGO2 interacts with TERC and with a newly identified sRNA (terc-sRNA), arising from the H/ACA box of TERC Notably, terc-sRNA is sufficient to enhance telomerase activity when overexpressed. Analyses of sRNA-Seq datasets show that terc-sRNA is detected in primary human tissues and increases in tumors as compared to control tissues. Collectively, these data uncover a new layer of complexity in the regulation of telomerase activity by AGO2 and might lay the foundation for new therapeutic targets in tumors and telomere diseases.
Collapse
Affiliation(s)
- Ilaria Laudadio
- Department of Molecular Medicine, "Sapienza" University of Rome, Rome, Italy
| | - Francesca Orso
- Department of Molecular Biotechnology and Health Sciences, Molecular Biotechnology Center, University of Turin, Turin, Italy
| | - Gianluca Azzalin
- Department of Molecular Medicine, "Sapienza" University of Rome, Rome, Italy
| | - Carlo Calabrò
- Department of Molecular Medicine, "Sapienza" University of Rome, Rome, Italy
| | | | - Elisa Coluzzi
- Department of Science, University of Rome "Roma Tre", Rome, Italy
| | - Silvia Gioiosa
- CNR, Istituto di Biomembrane, Bioenergetica e Biotecnologie Molecolari (IBIOM), Bari, Italy
| | - Daniela Taverna
- Department of Molecular Biotechnology and Health Sciences, Molecular Biotechnology Center, University of Turin, Turin, Italy
| | - Antonella Sgura
- Department of Science, University of Rome "Roma Tre", Rome, Italy
| | - Claudia Carissimi
- Department of Molecular Medicine, "Sapienza" University of Rome, Rome, Italy
| | - Valerio Fulci
- Department of Molecular Medicine, "Sapienza" University of Rome, Rome, Italy
| |
Collapse
|
36
|
Li R, Wang N, Xue M, Long W, Cheng C, Mi C, Gao Z. A potential regulatory network among WDR86-AS1, miR-10b-3p, and LITAF is possibly involved in preeclampsia pathogenesis. Cell Signal 2018; 55:40-52. [PMID: 30552989 DOI: 10.1016/j.cellsig.2018.12.006] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2018] [Revised: 12/10/2018] [Accepted: 12/11/2018] [Indexed: 12/12/2022]
Abstract
Preeclampsia (PE), a pregnancy-specific disorder, is a leading cause of perinatal maternal and fetal mortality and morbidity. Impaired migration and invasion of trophoblastic cells and an imbalanced systemic maternal inflammatory response have been proposed as possible causes of pathogenesis of PE. Comparative analysis of PE-affected placentas and healthy placentas has uncovered differentially expressed long noncoding RNAs, microRNAs, and mRNAs. This study was conducted to investigate the effect of a regulatory network among these RNAs on PE pathogenesis. Long noncoding RNA WDR86-AS1, microRNA miR-10b-3p, and mRNA of protein LITAF were identified by screening of genes in existing databases with aberrant expression in PE-affected placentas and potential mutual interactions as revealed by TargetScan, miRanda, and PicTar analyses. This study identified their expression in PE-affected and healthy placentas by RT-PCR. An in vitro experiment was performed on human trophoblast HTR-8/SVneo cells cultured under normoxic or hypoxic conditions. MiR-10b-3p targets were identified in luciferase reporter assays and RNA pull-down assays. The mouse model of PE was set up using a soluble form of FLT-1 for in vivo testing. Lower levels of miR-10b-3p but higher expression of WDR86-AS1 and LITAF were observed in PE-affected placentas and trophoblast cells under hypoxia. WDR86-AS1 and LITAF mRNA were confirmed as targets of miR-10b-3p. WDR86-AS1 downregulated miR-10b-3p but promoted LITAF expression. Microarray analyses revealed that LITAF controlled the inflammatory responses and migration and proliferation of HTR-8/SVneo cells under hypoxia. Indeed, knockdown of WDR86-AS1 and LITAF or overexpression of miR-10b-3p attenuated the hypoxia-induced inhibition of cellular viability, migration, and invasion. Moreover, miR-10b-3p overexpression attenuated the pathological symptoms caused by soluble FLT-1 in vivo. In summary, the WDR86-AS1/miR-10b-3p/LITAF network is probably involved in PE pathogenesis.
Collapse
Affiliation(s)
- Ruizhen Li
- Department of Obstetrics and Gynecology, The Third Xiangya Hospital of Central South University, Changsha, Hunan 410013, PR China
| | - Nan Wang
- Department of Obstetrics and Gynecology, The Third Xiangya Hospital of Central South University, Changsha, Hunan 410013, PR China
| | - Min Xue
- Department of Obstetrics and Gynecology, The Third Xiangya Hospital of Central South University, Changsha, Hunan 410013, PR China.
| | - Wenxin Long
- Department of Obstetrics and Gynecology, The Third Xiangya Hospital of Central South University, Changsha, Hunan 410013, PR China
| | - Chunxia Cheng
- Department of Obstetrics and Gynecology, The Third Xiangya Hospital of Central South University, Changsha, Hunan 410013, PR China
| | - Chunmei Mi
- Department of Obstetrics and Gynecology, The Third Xiangya Hospital of Central South University, Changsha, Hunan 410013, PR China
| | - Zhou Gao
- Department of Obstetrics and Gynecology, The Third Xiangya Hospital of Central South University, Changsha, Hunan 410013, PR China
| |
Collapse
|
37
|
Wang YG, Liu J, Shi M, Chen FX. LncRNA DGCR5 represses the development of hepatocellular carcinoma by targeting the miR-346/KLF14 axis. J Cell Physiol 2018; 234:572-580. [PMID: 30216442 DOI: 10.1002/jcp.26779] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2018] [Accepted: 04/27/2018] [Indexed: 12/21/2022]
Abstract
Long non-coding RNAs (lncRNAs) are a class of regulatory noncoding RNAs. Emerging evidence highlights the critical roles of lncRNAs in the progression of hepatocellular carcinoma (HCC). Although many lncRNAs have been identified in the development of HCC, the association between DiGeorge syndrome critical region gene 5 (DGCR5) and HCC remains unclear. In the current study, we focused on the biological role of DGCR5 in HCC. We observed that DGCR5 was decreased in HCC cells, including SMCC7721, Hep3B, HepG2, MHCC-97L, MHCC-97H, and SNU449 hepatocellular carcinoma cells, compared with the normal human liver cell line THLE-3 normal human liver cells. In addition, DGCR5 overexpression could repress HCC cell growth, migration, and invasion considerably. Increasing studies have indicated the interactions between lncRNAs and microRNAs. MicroRNAs are endogenous small noncoding RNAs and they can play important roles in tumorigenesis. MicroRNA 346 (miR-346) has been demonstrated in various human cancer types, including HCC. MiR-346 was found to be increased in HCC cells and DGCR5 can act as a sponge of miR-346 to modulate the progression of HCC. The binding correlation between DGCR5 and miR-346 was validated in our research. Subsequently, Krüppel-like factor 14 (KLF14) was predicted as a downstream target of miR-346 and miR-346 can induce the development of HCC by inhibiting KLF14. Finally, we proved that DGCR5 can rescue the inhibited levels of KLF14 repressed by miR-346 mimics in MHCC-97H and Hep3B cells. Taken together, it was indicated in our study that DGCR5 can restrain the progression of HCC through sponging miR-346 and modulating KLF14 in vitro.
Collapse
Affiliation(s)
- Yu-Gang Wang
- Department of Gastroenterology, Shanghai Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Juan Liu
- Operating Room, Huai'an Second People's Hospital, The Affiliated Huai'an Hospital of Xuzhou Medical University, Huai'an, China
| | - Min Shi
- Department of Gastroenterology, Shanghai Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Fa-Xiang Chen
- Imaging Department, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| |
Collapse
|
38
|
Schrank Z, Khan N, Osude C, Singh S, Miller RJ, Merrick C, Mabel A, Kuckovic A, Puri N. Oligonucleotides Targeting Telomeres and Telomerase in Cancer. Molecules 2018; 23:molecules23092267. [PMID: 30189661 PMCID: PMC6225148 DOI: 10.3390/molecules23092267] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2018] [Revised: 08/27/2018] [Accepted: 09/04/2018] [Indexed: 02/07/2023] Open
Abstract
Telomeres and telomerase have become attractive targets for the development of anticancer therapeutics due to their involvement in cancer cell immortality. Currently, several therapeutics have been developed that directly target telomerase and telomeres, such as telomerase inhibitors and G-quadruplex stabilizing ligands. Telomere-specific oligonucleotides that reduce telomerase activity and disrupt telomere architecture are also in development as novel anticancer therapeutics. Specifically, GRN163L and T-oligos have demonstrated promising anticancer activity in multiple cancers types via induction of potent DNA damage responses. Currently, several miRNAs have been implicated in the regulation of telomerase activity and may prove to be valuable targets in the development of novel therapies by reducing expression of telomerase subunits. Targeting miRNAs that are known to increase expression of telomerase subunits may be another strategy to reduce carcinogenesis. This review aims to provide a comprehensive understanding of current oligonucleotide-based anticancer therapies that target telomeres and telomerase. These studies may help design novel therapeutic approaches to overcome the challenges of oligonucleotide therapy in a clinical setting.
Collapse
Affiliation(s)
- Zachary Schrank
- Department of Biomedical Sciences, University of Illinois College of Medicine at Rockford, Rockford, IL 61107, USA.
| | - Nabiha Khan
- Department of Biomedical Sciences, University of Illinois College of Medicine at Rockford, Rockford, IL 61107, USA.
| | - Chike Osude
- Department of Biomedical Sciences, University of Illinois College of Medicine at Rockford, Rockford, IL 61107, USA.
| | - Sanjana Singh
- Department of Biomedical Sciences, University of Illinois College of Medicine at Rockford, Rockford, IL 61107, USA.
| | - Rachel J Miller
- Department of Biomedical Sciences, University of Illinois College of Medicine at Rockford, Rockford, IL 61107, USA.
| | - Collin Merrick
- Department of Biomedical Sciences, University of Illinois College of Medicine at Rockford, Rockford, IL 61107, USA.
| | - Alexander Mabel
- Department of Biomedical Sciences, University of Illinois College of Medicine at Rockford, Rockford, IL 61107, USA.
| | - Adijan Kuckovic
- Department of Biomedical Sciences, University of Illinois College of Medicine at Rockford, Rockford, IL 61107, USA.
| | - Neelu Puri
- Department of Biomedical Sciences, University of Illinois College of Medicine at Rockford, Rockford, IL 61107, USA.
| |
Collapse
|
39
|
MicroRNA Regulation of Telomerase Reverse Transcriptase (TERT): Micro Machines Pull Strings of Papier-Mâché Puppets. Int J Mol Sci 2018; 19:ijms19041051. [PMID: 29614790 PMCID: PMC5979469 DOI: 10.3390/ijms19041051] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2018] [Revised: 03/12/2018] [Accepted: 03/26/2018] [Indexed: 12/31/2022] Open
Abstract
Substantial fraction of high-quality information is continuously being added into the existing pool of knowledge related to the biology of telomeres. Based on the insights gleaned from decades of research, it is clear that chromosomal stability needs a highly controlled and dynamic balance of DNA gain and loss in each terminal tract of telomeric repeats. Telomeres are formed by tandem repeats of TTAGGG sequences, which are gradually lost with each round of division of the cells. Targeted inhibition of telomerase to effectively induce apoptosis in cancer cells has attracted tremendous attention and overwhelmingly increasingly list of telomerase inhibitors truthfully advocates pharmacological significance of telomerase. Telomerase reverse transcriptase (TERT) is a multi-talented and catalytically active component of the telomerase-associated protein machinery. Different proteins of telomerase-associated machinery work in a synchronized and orchestrated manner to ensure proper maintenance of telomeric length of chromosomes. Rapidly emerging scientific findings about regulation of TERT by microRNAs has revolutionized our understanding related to the biology of telomeres and telomerase. In this review, we have comprehensively discussed how different miRNAs regulate TERT in different cancers. Use of miRNA-based therapeutics against TERT in different cancers needs detailed research in preclinical models for effective translation of laboratory findings to clinically effective therapeutics.
Collapse
|
40
|
Zhang Q, Zheng X, Li X, Sun D, Xue P, Zhang G, Xiao M, Cai Y, Jin C, Yang J, Wu S, Lu X. The polymorphisms of miRNA-binding site in MLH3 and ERCC1 were linked to the risk of colorectal cancer in a case-control study. Cancer Med 2018. [PMID: 29516665 PMCID: PMC5911615 DOI: 10.1002/cam4.1319] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Colorectal cancer (CRC), as a malignant tumor of lower digestive tract, has been found to have an increasing morbidity and mortality in China. It was particularly important to find some earlier biomarkers to predict the risk and prognosis. In this study, several polymorphisms on 3′UTR of three DNA repair genes including MLH3 rs10862, ERCC1 rs3212986, ERCC1 rs735482, ERCC1 rs2336219, and OGG1 rs1052133 were chosen by bioinformatics exploration, and then, a case–control study of 200 CRC cases and controls was performed. Furthermore, a dual‐luciferase assay was also carried out to certify whether the candidate miRNA can regulate its target gene and the selected SNPs have a valid effect on the target miRNA. Finally, both of ERCC1 rs3212986 and MLH3 rs108621 were shown to be associated with the risk of CRC. Comparing with rs3212986 CC genotype, AA was at a higher risk (OR = 3.079, 95% CI: 1.192–7.952). For MLH3 rs108621, comparing with TT genotype, CC and TC were at a higher risk of CRC in male (OR = 5.171, 95% CI: 1.009–26.494; OR = 1.904, 95% CI: 1.049–3.455). Interestingly, an analysis combining both ERCC1 rs3212986 and MLH3 rs108621 also showed an increased risk of CRC. In addition, a dual‐luciferase assay showed that miR‐193a‐3p could regulate MLH3, and the polymorphism rs108621 could alter the miR‐193a‐3p binding to MLH3. Therefore, MLH3 rs108621 may be associated with the risk of CRC due to the effect of miR‐193a‐3p on MLH3, which reminded the possibility as potential susceptibility biomarkers to predict the risk of CRC.
Collapse
Affiliation(s)
- Qianye Zhang
- Department of Toxicology, School of Public Health, China Medical University, Shenyang, China
| | - Xiao Zheng
- Department of Toxicology, School of Public Health, China Medical University, Shenyang, China
| | - Xiaoxia Li
- Department of Colorectal Surgery, The Fourth Affiliated Hospital, China Medical University, Shenyang, China
| | - Deyu Sun
- Department of Radiation Oncology(6) (Digestive system cancer), Cancer Hospital of China Medical University, Shenyang, China
| | - Ping Xue
- Department of Toxicology, School of Public Health, China Medical University, Shenyang, China
| | - Guopei Zhang
- Department of Toxicology, School of Public Health, China Medical University, Shenyang, China
| | - Mingyang Xiao
- Department of Toxicology, School of Public Health, China Medical University, Shenyang, China
| | - Yuan Cai
- Department of Toxicology, School of Public Health, China Medical University, Shenyang, China
| | - Cuihong Jin
- Department of Toxicology, School of Public Health, China Medical University, Shenyang, China
| | - Jinghua Yang
- Department of Toxicology, School of Public Health, China Medical University, Shenyang, China
| | - Shengwen Wu
- Department of Toxicology, School of Public Health, China Medical University, Shenyang, China
| | - Xiaobo Lu
- Department of Toxicology, School of Public Health, China Medical University, Shenyang, China
| |
Collapse
|
41
|
Liu MD, Wu H, Wang S, Pang P, Jin S, Sun CF, Liu FY. MiR-1275 promotes cell migration, invasion and proliferation in squamous cell carcinoma of head and neck via up-regulating IGF-1R and CCR7. Gene 2018; 646:1-7. [DOI: 10.1016/j.gene.2017.12.049] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2016] [Revised: 12/15/2017] [Accepted: 12/22/2017] [Indexed: 12/13/2022]
|
42
|
Hu Y, Guo X, Wang J, Liu Y, Gao H, Fan H, Nong X, Yang X, Liu M, Li S, Tang H. A novel microRNA identified in hepatocellular carcinomas is responsive to LEF1 and facilitates proliferation and epithelial-mesenchymal transition via targeting of NFIX. Oncogenesis 2018; 7:22. [PMID: 29472529 PMCID: PMC5833431 DOI: 10.1038/s41389-017-0010-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2017] [Revised: 10/27/2017] [Accepted: 11/08/2017] [Indexed: 12/25/2022] Open
Abstract
Hepatocellular carcinoma (HCC) is one of the most prevalent cancers. It has been demonstrated that various cellular microRNAs (miRNAs) play an important role in HCC development. Here, we analyzed the miRNA profile in HCC tissues by Solexa sequencing, and we identified a novel microRNA, miR-HCC1, which is upregulated in HCC tissues. Further experiments showed that miR-HCC1 promoted HCC cell proliferation in vivo and in vitro, and migration and invasion resulting from the epithelial-mesenchymal transition (EMT) process. Nuclear factor I/X (NFIX), which inhibited cell proliferation, migration and invasion in HCC cells, was identified as a direct and functional target of miR-HCC1. Furthermore, lymphoid enhancer binding factor 1 (LEF1), a transcription factor, was shown to bind the promoter of miR-HCC1 and activate its expression. Collectively, these results indicate that LEF1-upregulated miR-HCC1 functions as an oncogene through the negative regulation of NFIX expression, which links the LEF1/miR-HCC1/NFIX axis to contribute to cell proliferation, migration and invasion of HCC cells and could provide novel insights into miRNA function and hepatocarcinogenesis and potential biomarkers for HCC.
Collapse
Affiliation(s)
- Yaqi Hu
- Tianjin Life Science Research Center and Department of Pathogen Biology, Collaborative Innovation Center of Tianjin for Medical Epigenetics, School of Basic Medical Sciences, Tianjin Medical University, 300070, Tianjin, China
| | - Xu Guo
- Tianjin Life Science Research Center and Department of Pathogen Biology, Collaborative Innovation Center of Tianjin for Medical Epigenetics, School of Basic Medical Sciences, Tianjin Medical University, 300070, Tianjin, China
| | - Jinxia Wang
- Tianjin Life Science Research Center and Department of Pathogen Biology, Collaborative Innovation Center of Tianjin for Medical Epigenetics, School of Basic Medical Sciences, Tianjin Medical University, 300070, Tianjin, China
| | - Yankun Liu
- Tianjin Life Science Research Center and Department of Pathogen Biology, Collaborative Innovation Center of Tianjin for Medical Epigenetics, School of Basic Medical Sciences, Tianjin Medical University, 300070, Tianjin, China.,The Cancer Institute, Tangshan People's Hospital, 063001, Tangshan, China
| | - Huijie Gao
- Tianjin Life Science Research Center and Department of Pathogen Biology, Collaborative Innovation Center of Tianjin for Medical Epigenetics, School of Basic Medical Sciences, Tianjin Medical University, 300070, Tianjin, China
| | - Hongxia Fan
- Tianjin Life Science Research Center and Department of Pathogen Biology, Collaborative Innovation Center of Tianjin for Medical Epigenetics, School of Basic Medical Sciences, Tianjin Medical University, 300070, Tianjin, China
| | | | | | | | - Shengping Li
- Department of Hepatobiliary Oncology, State Key Laboratory of Oncology in Southern China, Cancer Center, Sun Yat-sen University, 510060, Guangzhou, China
| | - Hua Tang
- Tianjin Life Science Research Center and Department of Pathogen Biology, Collaborative Innovation Center of Tianjin for Medical Epigenetics, School of Basic Medical Sciences, Tianjin Medical University, 300070, Tianjin, China.
| |
Collapse
|
43
|
Zhang Q, Song G, Yao L, Liu Y, Liu M, Li S, Tang H. miR-3928v is induced by HBx via NF-κB/EGR1 and contributes to hepatocellular carcinoma malignancy by down-regulating VDAC3. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2018; 37:14. [PMID: 29378599 PMCID: PMC5789631 DOI: 10.1186/s13046-018-0681-y] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/10/2017] [Accepted: 01/15/2018] [Indexed: 12/29/2022]
Abstract
BACKGROUND Hepatitis B virus (HBV) plays a critical role in the tumorigenic behavior of human hepatocellular carcinoma (HCC). MicroRNAs (miRNAs) have been reported to participate in HCC development via the regulation of their target genes. However, HBV-modulated miRNAs involved in tumorigenesis remain to be identified. Here, we found that a novel highly expressed miRNA, TLRC-m0008_3p (miR-3928v), may be an important factor that promotes the malignancy of HBV-related HCC. METHODS Solexa sequencing was applied to profile miRNAs, and RT-qPCR was used to identify and quantitate miRNAs. We studied miR-3928v function in HCC cell lines by MTT, colony formation, migration/invasion, and vascular mimicry (VM) assays in vitro and by a xenograft tumor model in vivo. Finally, we predicted and verified the target gene of miR-3928v by a reporter assay, studied the function of this target gene, and cloned the promoter of miR-3928v and the transcription factor for use in dual-luciferase reporter assays and EMSAs. RESULTS A variant of miR-3928 (miR-3928v) was identified and found to be highly expressed in HBV (+) HCC tissues. Voltage-dependent anion channel 3 (VDAC3) was validated as a target of miR-3928v and found to mediate the effects of miR-3928v in promoting HCC growth and migration/invasion. Furthermore, HBx protein increased early growth response 1 (EGR1) expression and facilitated its translocation into the nucleus to enhance miR-3928v promoter activity in an NF-κB signaling-dependent manner. CONCLUSIONS miR-3928v is induced by HBx through the NF-κB/EGR1 signaling pathway and down-regulates the tumor suppressor gene VDAC3 to accelerate the progression of HCC.
Collapse
Affiliation(s)
- Qiaoge Zhang
- 0000 0000 9792 1228grid.265021.2Tianjin Life Science Research Center and Department of Pathogen Biology, Collaborative Innovation Center of Tianjin for Medical Epigenetics, School of Basic Medical Sciences, Tianjin Medical University, No. 22 Qi-Xiang-Tai Road, Tianjin, 300070 China
| | - Ge Song
- 0000 0000 9792 1228grid.265021.2Tianjin Life Science Research Center and Department of Pathogen Biology, Collaborative Innovation Center of Tianjin for Medical Epigenetics, School of Basic Medical Sciences, Tianjin Medical University, No. 22 Qi-Xiang-Tai Road, Tianjin, 300070 China
| | - Lili Yao
- 0000 0000 9792 1228grid.265021.2Tianjin Life Science Research Center and Department of Pathogen Biology, Collaborative Innovation Center of Tianjin for Medical Epigenetics, School of Basic Medical Sciences, Tianjin Medical University, No. 22 Qi-Xiang-Tai Road, Tianjin, 300070 China
| | - Yankun Liu
- 0000 0000 9792 1228grid.265021.2Tianjin Life Science Research Center and Department of Pathogen Biology, Collaborative Innovation Center of Tianjin for Medical Epigenetics, School of Basic Medical Sciences, Tianjin Medical University, No. 22 Qi-Xiang-Tai Road, Tianjin, 300070 China ,grid.459483.7The Cancer Institute, Tangshan People’s Hospital, Tangshan, 063001 China
| | - Min Liu
- 0000 0000 9792 1228grid.265021.2Tianjin Life Science Research Center and Department of Pathogen Biology, Collaborative Innovation Center of Tianjin for Medical Epigenetics, School of Basic Medical Sciences, Tianjin Medical University, No. 22 Qi-Xiang-Tai Road, Tianjin, 300070 China
| | - Shengping Li
- 0000 0001 2360 039Xgrid.12981.33Department of Hepatobiliary Oncology, State Key Laboratory of Oncology in Southern China, Cancer Center, Sun Yat-sen University, Guangzhou, 510060 China
| | - Hua Tang
- 0000 0000 9792 1228grid.265021.2Tianjin Life Science Research Center and Department of Pathogen Biology, Collaborative Innovation Center of Tianjin for Medical Epigenetics, School of Basic Medical Sciences, Tianjin Medical University, No. 22 Qi-Xiang-Tai Road, Tianjin, 300070 China
| |
Collapse
|
44
|
Guo Z, Li J, Sun J, Sun L, Zhou Y, Yu Z. miR-346 Promotes HCC Progression by Suppressing Breast Cancer Metastasis Suppressor 1 Expression. Oncol Res 2018; 26:1073-1081. [PMID: 29295726 PMCID: PMC7844707 DOI: 10.3727/096504017x15145088802439] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Hepatocellular carcinoma (HCC) is one of the most common malignant tumors worldwide. MicroRNA (miRNA), a class of noncoding single-stranded RNA molecules, is involved in regulating cancer cell proliferation, metastasis, migration, invasion, and apoptosis. We showed that the expression of miR-346 was significantly increased in HCC tissues and cell lines, compared with noncancerous controls, and was associated with poor prognosis. Overexpression of miR-346 promoted proliferation and inhibited apoptosis of SMMC-7721 cells, while knockdown of miR-346 significantly suppressed proliferation and induced apoptosis of HepG2 cells. Then we identified breast cancer metastasis suppressor 1 (BRMS1) as a direct target of miR-346 based on luciferase reporter assays. There was a negative correlation between miR-346 and BRMS1 expression at both the protein and mRNA levels. Furthermore, inhibition of BRMS1 expression reversed the tumor-suppression effects of miR-346 downregulation in HepG2 cells. These results indicate that miR-346 promotes HCC progression by regulating BRMS1 expression.
Collapse
Affiliation(s)
- Zhixian Guo
- Department of Infectious Disease, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, P.R. China
| | - Jingjing Li
- Department of Infectious Disease, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, P.R. China
| | - Jihong Sun
- Department of Gastroenterology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, P.R. China
| | - Lu Sun
- Department of Gastroenterology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, P.R. China
| | - Yubing Zhou
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, P.R. China
| | - Zujiang Yu
- Department of Infectious Disease, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, P.R. China
| |
Collapse
|
45
|
MicroRNA-346 facilitates cell growth and metastasis, and suppresses cell apoptosis in human non-small cell lung cancer by regulation of XPC/ERK/Snail/E-cadherin pathway. Aging (Albany NY) 2017; 8:2509-2524. [PMID: 27777383 PMCID: PMC5115903 DOI: 10.18632/aging.101080] [Citation(s) in RCA: 87] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2016] [Accepted: 10/04/2016] [Indexed: 01/02/2023]
Abstract
Determinants of growth and metastasis in cancer remain of great interest to define. MicroRNAs (miRNAs) have frequently emerged as tumor metastatic regulator by acting on multiple signaling pathways. Here we report the definition of miR-346 as a novel oncogenic microRNA that facilitates non-small cell lung cancer (NSCLC) cell growth and metastasis. XPC, an important DNA damage recognition factor in nucleotide excision repair was defined as a target for down-regulation by miR-346, functioning through direct interaction with the 3′-UTR of XPC mRNA. Blocking miR-346 by an antagomiR was sufficient to inhibit NSCLC cell growth and metastasis, an effect that could be phenol-copied by RNAi-mediated silencing of XPC. In vivo studies established that miR-346 overexpression was sufficient to promote tumor growth by A549 cells in xenografts mice, relative to control cells. Overall, our results defined miR-346 as an oncogenic miRNA in NSCLC, the levels of which contributed to tumor growth and invasive aggressiveness.
Collapse
|
46
|
MiR-770 inhibits tumorigenesis and EMT by targeting JMJD6 and regulating WNT/β-catenin pathway in non-small cell lung cancer. Life Sci 2017; 188:163-171. [DOI: 10.1016/j.lfs.2017.09.002] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2017] [Revised: 08/31/2017] [Accepted: 09/01/2017] [Indexed: 11/22/2022]
|
47
|
Guo J, Yang Z, Yang X, Li T, Liu M, Tang H. miR-346 functions as a pro-survival factor under ER stress by activating mitophagy. Cancer Lett 2017; 413:69-81. [PMID: 29107113 DOI: 10.1016/j.canlet.2017.10.030] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2017] [Revised: 10/16/2017] [Accepted: 10/19/2017] [Indexed: 12/29/2022]
Abstract
Stress in the endoplasmic reticulum (ER) triggers the unfolded protein response (UPR), which attempts to restore normal function of the ER. Both autophagy and miRNAs have been reported to participate in the process of ER stress, but the relationship between these two factors is still obscure. In this study, we demonstrated that miR-346, which was induced under ER stress, modulated autophagic flux in HeLa cells. By regulating the process of autophagy, miR-346 reduced the ROS level in the cells, thus protecting them from death following ER stress. Furthermore, we demonstrated that GSK3B was the target of miR-346 and participated in ER stress-related autophagy. miR-346 activated autophagy by interrupting the association between BCL2 and BECN1 in a GSK3B-dependent manner. Our findings shed new light on the role of miRNAs during ER stress and suggest a new mechanism for the induction of autophagy under ER stress.
Collapse
Affiliation(s)
- Junfei Guo
- Tianjin Life Science Research Center, Department of Pathogen, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, China; Department of Clinical Laboratory of Guangdong Women and Children Hospital, Guangzhou, China
| | - Zhen Yang
- Tianjin Life Science Research Center, Department of Pathogen, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, China
| | - Xi Yang
- Tianjin Life Science Research Center, Department of Pathogen, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, China
| | - Tong Li
- Tianjin Life Science Research Center, Department of Pathogen, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, China
| | - Min Liu
- Tianjin Life Science Research Center, Department of Pathogen, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, China
| | - Hua Tang
- Tianjin Life Science Research Center, Department of Pathogen, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, China.
| |
Collapse
|
48
|
Liu W, Yang Z, Sun Q, Yang X, Hu Y, Xie H, Gao H, Guo L, Yi J, Liu M, Tang H. miR‐377‐3p drives malignancy characteristics via upregulating GSK‐3β expression and activating NF‐κB pathway in hCRC cells. J Cell Biochem 2017; 119:2124-2134. [DOI: 10.1002/jcb.26374] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2017] [Accepted: 08/23/2017] [Indexed: 12/17/2022]
Affiliation(s)
- Wei‐Ying Liu
- Tianjin Life Science Research Center and Department of Pathogen BiologySchool of Basic Medical SciencesTianjin Medical UniversityTianjinChina
| | - Zhen Yang
- Tianjin Life Science Research Center and Department of Pathogen BiologySchool of Basic Medical SciencesTianjin Medical UniversityTianjinChina
| | - Qi Sun
- Tianjin Life Science Research Center and Department of Pathogen BiologySchool of Basic Medical SciencesTianjin Medical UniversityTianjinChina
| | - Xi Yang
- Tianjin Life Science Research Center and Department of Pathogen BiologySchool of Basic Medical SciencesTianjin Medical UniversityTianjinChina
| | - Yang Hu
- Tianjin Life Science Research Center and Department of Pathogen BiologySchool of Basic Medical SciencesTianjin Medical UniversityTianjinChina
| | - Hong Xie
- Tianjin Life Science Research Center and Department of Pathogen BiologySchool of Basic Medical SciencesTianjin Medical UniversityTianjinChina
| | - Hui‐Jie Gao
- Tianjin Life Science Research Center and Department of Pathogen BiologySchool of Basic Medical SciencesTianjin Medical UniversityTianjinChina
| | - Li‐Ming Guo
- Tianjin Life Science Research Center and Department of Pathogen BiologySchool of Basic Medical SciencesTianjin Medical UniversityTianjinChina
| | - Jian‐Ying Yi
- Tianjin Life Science Research Center and Department of Pathogen BiologySchool of Basic Medical SciencesTianjin Medical UniversityTianjinChina
| | - Min Liu
- Tianjin Life Science Research Center and Department of Pathogen BiologySchool of Basic Medical SciencesTianjin Medical UniversityTianjinChina
| | - Hua Tang
- Tianjin Life Science Research Center and Department of Pathogen BiologySchool of Basic Medical SciencesTianjin Medical UniversityTianjinChina
| |
Collapse
|
49
|
Cimino-Reale G, Gandellini P, Santambrogio F, Recagni M, Zaffaroni N, Folini M. miR-380-5p-mediated repression of TEP1 and TSPYL5 interferes with telomerase activity and favours the emergence of an "ALT-like" phenotype in diffuse malignant peritoneal mesothelioma cells. J Hematol Oncol 2017; 10:140. [PMID: 28716051 PMCID: PMC5513108 DOI: 10.1186/s13045-017-0510-3] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2017] [Accepted: 07/10/2017] [Indexed: 02/06/2023] Open
Abstract
Background Understanding the molecular/cellular underpinnings of diffuse malignant peritoneal mesothelioma (DMPM), a fatal malignancy with limited therapeutic options, is of utmost importance for the fruitful management of the disease. In this context, we previously found that telomerase activity (TA), which accounts for the limitless proliferative potential of cancer cells, is prognostic for disease relapse and cancer-related death in DMPM patients. Consequently, the identification of factors involved in telomerase activation/regulation may pave the way towards the development of novel therapeutic interventions for the disease. Here, the capability of miR-380-5p, a microRNA negligibly expressed in telomerase-positive DMPM clinical specimens, to interfere with telomerase-mediated telomere maintenance and, hence, with cancer cell growth was assessed on preclinical models of DMPM. Methods DMPM cells were transfected with a miR-380-5p synthetic precursor, and the effects of miRNA replacement were evaluated in terms of growing capability, induction of apoptosis and interference with TA. Reiterated weekly transfections were also performed in order to analyse the phenotype arising upon prolonged miR-380-5p reconstitution in DMPM cells. Results The ectopic expression of miR-380-5p elicited a remarkable inhibition of TA and resulted in DMPM cell growth impairment and apoptosis induction. In particular, we demonstrated for the first time that these effects were the result of a molecular circuitry converging on telomerase associated protein 1 (TEP1), where the miRNA was able to target the gene both directly in unconventional targeting modality and indirectly via p53 accumulation consequent to miRNA-mediated downregulation of testis-specific protein, Y-encoded-like 5 gene. Moreover, miR-380-5p did not cause telomere attrition and cell growth arrest in long-term DMPM transfectants, which in turn showed slightly elongated telomeres and molecular features (e.g. c-circle DNA and reduced expression levels of chromatin remodeler ATRX) resembling an alternative lengthening of telomeres (ALT) phenotype. Conclusions miR-380-5p interferes with TA in DMPM cells by targeting TEP1. Notably, in the long-term setting, miR-380-5p-mediated impairment of TA did not result in telomere attrition. Instead, a phenotype reminiscent of ALT emerged in DMPM cells as possible compensatory pathway that safeguards DMPM cell growth, an event that may be regarded as a potential resistance mechanism to anticancer therapies based on telomerase inhibitors. Electronic supplementary material The online version of this article (doi:10.1186/s13045-017-0510-3) contains supplementary material, which is available to authorized users.
Collapse
Affiliation(s)
- Graziella Cimino-Reale
- Molecular Pharmacology Unit, Department of Applied Research and Technological Development, Fondazione IRCCS Istituto Nazionale dei Tumori, Via Amadeo, 42 - 20133, Milano, Italy
| | - Paolo Gandellini
- Molecular Pharmacology Unit, Department of Applied Research and Technological Development, Fondazione IRCCS Istituto Nazionale dei Tumori, Via Amadeo, 42 - 20133, Milano, Italy
| | - Francesca Santambrogio
- Molecular Pharmacology Unit, Department of Applied Research and Technological Development, Fondazione IRCCS Istituto Nazionale dei Tumori, Via Amadeo, 42 - 20133, Milano, Italy
| | - Marta Recagni
- Molecular Pharmacology Unit, Department of Applied Research and Technological Development, Fondazione IRCCS Istituto Nazionale dei Tumori, Via Amadeo, 42 - 20133, Milano, Italy
| | - Nadia Zaffaroni
- Molecular Pharmacology Unit, Department of Applied Research and Technological Development, Fondazione IRCCS Istituto Nazionale dei Tumori, Via Amadeo, 42 - 20133, Milano, Italy
| | - Marco Folini
- Molecular Pharmacology Unit, Department of Applied Research and Technological Development, Fondazione IRCCS Istituto Nazionale dei Tumori, Via Amadeo, 42 - 20133, Milano, Italy.
| |
Collapse
|
50
|
Hawley ZCE, Campos-Melo D, Droppelmann CA, Strong MJ. MotomiRs: miRNAs in Motor Neuron Function and Disease. Front Mol Neurosci 2017; 10:127. [PMID: 28522960 PMCID: PMC5415563 DOI: 10.3389/fnmol.2017.00127] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2017] [Accepted: 04/18/2017] [Indexed: 12/12/2022] Open
Abstract
MiRNAs are key regulators of the mammalian transcriptome that have been increasingly linked to degenerative diseases of the motor neurons. Although many of the miRNAs currently incriminated as participants in the pathogenesis of these diseases are also important to the normal development and function of motor neurons, at present there is no knowledge of the complete miRNA profile of motor neurons. In this review, we examine the current understanding with respect to miRNAs that are specifically required for motor neuron development, function and viability, and provide evidence that these should be considered as a functional network of miRNAs which we have collectively termed MotomiRs. We will also summarize those MotomiRs currently known to be associated with both amyotrophic lateral sclerosis (ALS) and spinal muscular atrophy (SMA), and discuss their potential use as biomarkers.
Collapse
Affiliation(s)
- Zachary C E Hawley
- Molecular Medicine Group, Robarts Research Institute, Schulich School of Medicine and Dentistry, Western UniversityLondon, ON, Canada
| | - Danae Campos-Melo
- Molecular Medicine Group, Robarts Research Institute, Schulich School of Medicine and Dentistry, Western UniversityLondon, ON, Canada
| | - Cristian A Droppelmann
- Molecular Medicine Group, Robarts Research Institute, Schulich School of Medicine and Dentistry, Western UniversityLondon, ON, Canada
| | - Michael J Strong
- Molecular Medicine Group, Robarts Research Institute, Schulich School of Medicine and Dentistry, Western UniversityLondon, ON, Canada.,Department of Pathology, Schulich School of Medicine and Dentistry, Western UniversityLondon, ON, Canada.,Department of Clinical Neurological Sciences, Schulich School of Medicine and Dentistry, Western UniversityLondon, ON, Canada
| |
Collapse
|