1
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Brown SD, Klimi E, Bakker WAM, Beqqali A, Baker AH. Non-coding RNAs to treat vascular smooth muscle cell dysfunction. Br J Pharmacol 2024. [PMID: 38773733 DOI: 10.1111/bph.16409] [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] [Received: 11/17/2023] [Revised: 02/19/2024] [Accepted: 03/14/2024] [Indexed: 05/24/2024] Open
Abstract
Vascular smooth muscle cell (vSMC) dysfunction is a critical contributor to cardiovascular diseases, including atherosclerosis, restenosis and vein graft failure. Recent advances have unveiled a fascinating range of non-coding RNAs (ncRNAs) that play a pivotal role in regulating vSMC function. This review aims to provide an in-depth analysis of the mechanisms underlying vSMC dysfunction and the therapeutic potential of various ncRNAs in mitigating this dysfunction, either preventing or reversing it. We explore the intricate interplay of microRNAs, long-non-coding RNAs and circular RNAs, shedding light on their roles in regulating key signalling pathways associated with vSMC dysfunction. We also discuss the prospects and challenges associated with developing ncRNA-based therapies for this prevalent type of cardiovascular pathology.
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Affiliation(s)
- Simon D Brown
- BHF Centre for Cardiovascular Science, Queens Medical Research Institute, University of Edinburgh, Edinburgh, UK
| | - Eftychia Klimi
- BHF Centre for Cardiovascular Science, Queens Medical Research Institute, University of Edinburgh, Edinburgh, UK
| | | | - Abdelaziz Beqqali
- BHF Centre for Cardiovascular Science, Queens Medical Research Institute, University of Edinburgh, Edinburgh, UK
| | - Andrew H Baker
- BHF Centre for Cardiovascular Science, Queens Medical Research Institute, University of Edinburgh, Edinburgh, UK
- Cardiovascular Research Institute Maastricht (CARIM), Maastricht University Medical Centre, Maastricht, The Netherlands
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2
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Rath S, Hawsawi YM, Alzahrani F, Khan MI. Epigenetic regulation of inflammation: The metabolomics connection. Semin Cell Dev Biol 2024; 154:355-363. [PMID: 36127262 DOI: 10.1016/j.semcdb.2022.09.008] [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: 07/29/2022] [Revised: 09/12/2022] [Accepted: 09/12/2022] [Indexed: 10/14/2022]
Abstract
Epigenetic factors are considered the regulator of complex machinery behind inflammatory disorders and significantly contributed to the expression of inflammation-associated genes. Epigenetic modifications modulate variation in the expression pattern of target genes without affecting the DNA sequence. The current knowledge of epigenetic research focused on their role in the pathogenesis of various inflammatory diseases that causes morbidity and mortality worldwide. Inflammatory diseases are categorized as acute and chronic based on the disease severity and are regulated by the expression pattern of various genes. Hence, understanding the role of epigenetic modifications during inflammation progression will contribute to the disease outcomes and therapeutic approaches. This review also focuses on the metabolomics approach associated with the study of inflammatory disorders. Inflammatory responses and metabolic regulation are highly integrated and various advanced techniques are adopted to study the metabolic signature molecules. Here we discuss several metabolomics approaches used to link inflammatory disorders and epigenetic changes. We proposed that deciphering the mechanism behind the inflammation-metabolism loop may have immense importance in biomarkers research and may act as a principal component in drug discovery as well as therapeutic applications.
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Affiliation(s)
- Suvasmita Rath
- Center of Environment, Climate Change and Public Health, Utkal University, Vani Vihar, Bhubaneswar 751004, Odisha, India
| | - Yousef M Hawsawi
- Research Center, King Faisal Specialist Hospital and Research Center, P.O. Box 40047, Jeddah 21499, Saudi Arabia; College of Medicine, Al-Faisal University, P.O. Box 50927, Riyadh 11533, Saudi Arabia.
| | - Faisal Alzahrani
- Department of Biochemistry, King Abdulaziz University (KAU), Jeddah 21577, Saudi Arabia; Embryonic Stem Cells Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Mohammad Imran Khan
- Department of Biochemistry, King Abdulaziz University (KAU), Jeddah 21577, Saudi Arabia; Centre of Artificial Intelligence for Precision Medicines, King Abdulaziz University, Jeddah 21589, Saudi Arabia.
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3
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Shi J, Xu J, Ma J, He F. tRNA-derived small RNAs are embedded in the gene regulatory program instructing Drosophila metamorphosis. Genome Res 2023; 33:gr.278128.123. [PMID: 37973194 PMCID: PMC10760521 DOI: 10.1101/gr.278128.123] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Accepted: 11/08/2023] [Indexed: 11/19/2023]
Abstract
A class of noncoding RNAs, referred to as tsRNAs, is emerging with a potential to exert a new layer in gene regulation. These RNAs are breakdown products of tRNAs, either through active processing or passive cleavage or both. Since tRNAs are part of the general machinery for translation, their expression levels and activities are tightly controlled, raising the possibility that their breakdown products, tsRNAs, may provide a link between the overall translational status of a cell to specific changes in gene regulatory network. We hypothesize that Drosophila pupation, being a special developmental stage during which there is a global limitation of nutrients, represents a system in which such a link may readily reveal itself. We show that specific tsRNAs indeed exhibit a dynamic accumulation upon entering the pupal stage. We describe experiments to characterize the mode of tsRNA action and, through the use of such gained knowledge, conduct a genome-wide analysis to assess the functions of dynamically expressed tsRNAs. Our results show that the predicted target genes are highly enriched in biological processes specific to this stage of development including metamorphosis. We further show that tsRNA action is required for successful pupation, providing direct support to the hypothesis that tsRNAs accumulated during this stage are critical to the gene expression program at this stage of development.
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Affiliation(s)
| | - Jiaqi Xu
- Zhejiang University School of Medicine
| | - Jun Ma
- Zhejiang University School of Medicine
| | - Feng He
- Zhejiang University School of Medicine
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4
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Pagoni M, Cava C, Sideris DC, Avgeris M, Zoumpourlis V, Michalopoulos I, Drakoulis N. miRNA-Based Technologies in Cancer Therapy. J Pers Med 2023; 13:1586. [PMID: 38003902 PMCID: PMC10672431 DOI: 10.3390/jpm13111586] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Revised: 11/02/2023] [Accepted: 11/04/2023] [Indexed: 11/26/2023] Open
Abstract
The discovery of therapeutic miRNAs is one of the most exciting challenges for pharmaceutical companies. Since the first miRNA was discovered in 1993, our knowledge of miRNA biology has grown considerably. Many studies have demonstrated that miRNA expression is dysregulated in many diseases, making them appealing tools for novel therapeutic approaches. This review aims to discuss miRNA biogenesis and function, as well as highlight strategies for delivering miRNA agents, presenting viral, non-viral, and exosomic delivery as therapeutic approaches for different cancer types. We also consider the therapeutic role of microRNA-mediated drug repurposing in cancer therapy.
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Affiliation(s)
- Maria Pagoni
- Research Group of Clinical Pharmacology and Pharmacogenomics, Faculty of Pharmacy, School of Health Sciences, National and Kapodistrian University of Athens, 15701 Athens, Greece
| | - Claudia Cava
- Department of Science, Technology and Society, University School for Advanced Studies IUSS Pavia, 27100 Pavia, Italy;
| | - Diamantis C. Sideris
- Department of Biochemistry and Molecular Biology, Faculty of Biology, National and Kapodistrian University of Athens, 15701 Athens, Greece;
| | - Margaritis Avgeris
- Laboratory of Clinical Biochemistry—Molecular Diagnostics, Second Department of Pediatrics, School of Medicine, “P. & A. Kyriakou” Children’s Hospital, National and Kapodistrian University of Athens, 11527 Athens, Greece;
| | - Vassilios Zoumpourlis
- Biomedical Applications Unit, Institute of Chemical Biology, National Hellenic Research Foundation (NHRF), 11635 Athens, Greece;
| | - Ioannis Michalopoulos
- Centre of Systems Biology, Biomedical Research Foundation, Academy of Athens, 11527 Athens, Greece;
| | - Nikolaos Drakoulis
- Research Group of Clinical Pharmacology and Pharmacogenomics, Faculty of Pharmacy, School of Health Sciences, National and Kapodistrian University of Athens, 15701 Athens, Greece
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5
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Greene MA, Worley GA, Udoka ANS, Powell RR, Bruce T, Klotz JL, Bridges WC, Duckett SK. Use of AgomiR and AntagomiR technologies to alter satellite cell proliferation in vitro, miRNA expression, and muscle fiber hypertrophy in intrauterine growth-restricted lambs. Front Mol Biosci 2023; 10:1286890. [PMID: 38028550 PMCID: PMC10656622 DOI: 10.3389/fmolb.2023.1286890] [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: 08/31/2023] [Accepted: 10/18/2023] [Indexed: 12/01/2023] Open
Abstract
Introduction: microRNAs (miRNAs) are small non-coding RNAs that work at the posttranscriptional level to repress gene expression. Several miRNAs are preferentially expressed in skeletal muscle and participate in myogenesis. This research was conducted to alter endogenous miRNA expression in skeletal muscle to promote muscle hypertrophy. Methods: Two experiments were conducted using mimic/agomiR or antagomir technologies to alter miRNA expression and examine changes in myoblast proliferation in vitro (experiment 1) and muscle hypertrophy in vivo (experiment 2). In vitro experiments found that antagomiR-22-3p and mimic-127 increased myoblast proliferation compared to other miRNA treatments or controls. These miRNA treatments, antagomiR-22-3p (ANT22) and agomiR-127 (AGO127), were then used for intramuscular injections in longissimus muscle. Results and discussion: The use of antagomiR or mimic/agomiR treatments down-regulated or up-regulated, respectively, miRNA expression for that miRNA of interest. Expression of predicted target KIF3B mRNA for miR-127 was up-regulated and ACVR2a mRNA was up-regulated for miR-22-3p. ANT22 injection also up-regulated the major regulator of protein synthesis (mTOR). Proteomic analyses identified 11 proteins for AGO127 and 9 proteins for ANT22 that were differentially expressed. Muscle fiber type and cross-sectional area were altered for ANT22 treatments to transition fibers to a more oxidative state. The use of agomiR and antagomir technologies allows us to alter miRNA expression in vitro and in vivo to enhance myoblast proliferation and alter muscle fiber hypertrophy in IUGR lambs during early postnatal growth.
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Affiliation(s)
- M. A. Greene
- Department of Animal and Veterinary Sciences, Clemson University, Clemson, SC, United States
| | - G. A. Worley
- Department of Animal and Veterinary Sciences, Clemson University, Clemson, SC, United States
| | - A. N. S. Udoka
- Department of Animal and Veterinary Sciences, Clemson University, Clemson, SC, United States
| | - R. R. Powell
- Clemson Light Imaging Facility, Clemson University, Clemson, SC, United States
| | - T. Bruce
- Clemson Light Imaging Facility, Clemson University, Clemson, SC, United States
- Department of Bioengineering, Clemson University, Clemson, SC, United States
| | - J. L. Klotz
- U. S. Department of Agriculture-Agricultural Research Service, Forage-Animal Production Research Unit, Lexington, KY, United States
| | - W. C. Bridges
- Clemson Light Imaging Facility, Clemson University, Clemson, SC, United States
- School of Mathematical and Statistical Sciences, Clemson University, Clemson, SC, United States
| | - S. K. Duckett
- Department of Animal and Veterinary Sciences, Clemson University, Clemson, SC, United States
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6
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Panicker S, Chengizkhan G, Gor R, Ramachandran I, Ramalingam S. Exploring the Relationship between Fusion Genes and MicroRNAs in Cancer. Cells 2023; 12:2467. [PMID: 37887311 PMCID: PMC10605240 DOI: 10.3390/cells12202467] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 10/05/2023] [Accepted: 10/12/2023] [Indexed: 10/28/2023] Open
Abstract
Fusion genes are key cancer driver genes that can be used as potential drug targets in precision therapies, and they can also serve as accurate diagnostic and prognostic biomarkers. The fusion genes can cause microRNA (miRNA/miR) aberrations in many types of cancer. Nevertheless, whether fusion genes incite miRNA aberrations as one of their many critical oncogenic functionalities for driving carcinogenesis needs further investigation. Recent discoveries of miRNA genes that are present within the regions of genomic rearrangements that initiate fusion gene-based intronic miRNA dysregulation have brought the fusion genes into the limelight and revealed their unexplored potential in the field of cancer biology. Fusion gene-based 'promoter-switch' event aberrantly activate the miRNA-related upstream regulatory signals, while fusion-based coding region alterations disrupt the original miRNA coding loci. Fusion genes can potentially regulate the miRNA aberrations regardless of the protein-coding capability of the resultant fusion transcript. Studies on out-of-frame fusion and nonrecurrent fusion genes that cause miRNA dysregulation have attracted the attention of researchers on fusion genes from an oncological perspective and therefore could have potential implications in cancer therapies. This review will provide insights into the role of fusion genes and miRNAs, and their possible interrelationships in cancer.
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Affiliation(s)
- Saurav Panicker
- Department of Genetic Engineering, School of Bio-Engineering, SRM Institute of Science and Technology, Kattankulathur, Chengalpattu 603203, Tamil Nadu, India; (S.P.); (R.G.)
| | - Gautham Chengizkhan
- Department of Endocrinology, Dr. ALM PG Institute of Basic Medical Sciences, University of Madras, Taramani Campus, Chennai 600113, Tamil Nadu, India;
| | - Ravi Gor
- Department of Genetic Engineering, School of Bio-Engineering, SRM Institute of Science and Technology, Kattankulathur, Chengalpattu 603203, Tamil Nadu, India; (S.P.); (R.G.)
| | - Ilangovan Ramachandran
- Department of Endocrinology, Dr. ALM PG Institute of Basic Medical Sciences, University of Madras, Taramani Campus, Chennai 600113, Tamil Nadu, India;
| | - Satish Ramalingam
- Department of Genetic Engineering, School of Bio-Engineering, SRM Institute of Science and Technology, Kattankulathur, Chengalpattu 603203, Tamil Nadu, India; (S.P.); (R.G.)
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7
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Datta N, Johnson C, Kao D, Gurnani P, Alexander C, Polytarchou C, Monaghan TM. MicroRNA-based therapeutics for inflammatory disorders of the microbiota-gut-brain axis. Pharmacol Res 2023; 194:106870. [PMID: 37499702 DOI: 10.1016/j.phrs.2023.106870] [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: 03/11/2023] [Revised: 07/22/2023] [Accepted: 07/24/2023] [Indexed: 07/29/2023]
Abstract
An emerging but less explored shared pathophysiology across microbiota-gut-brain axis disorders is aberrant miRNA expression, which may represent novel therapeutic targets. miRNAs are small, endogenous non-coding RNAs that are important transcriptional repressors of gene expression. Most importantly, they regulate the integrity of the intestinal epithelial and blood-brain barriers and serve as an important communication channel between the gut microbiome and the host. A well-defined understanding of the mode of action, therapeutic strategies and delivery mechanisms of miRNAs is pivotal in translating the clinical applications of miRNA-based therapeutics. Accumulating evidence links disorders of the microbiota-gut-brain axis with a compromised gut-blood-brain-barrier, causing gut contents such as immune cells and microbiota to enter the bloodstream leading to low-grade systemic inflammation. This has the potential to affect all organs, including the brain, causing central inflammation and the development of neurodegenerative and neuropsychiatric diseases. In this review, we have examined in detail miRNA biogenesis, strategies for therapeutic application, delivery mechanisms, as well as their pathophysiology and clinical applications in inflammatory gut-brain disorders. The research data in this review was drawn from the following databases: PubMed, Google Scholar, and Clinicaltrials.gov. With increasing evidence of the pathophysiological importance for miRNAs in microbiota-gut-brain axis disorders, therapeutic targeting of cross-regulated miRNAs in these disorders displays potentially transformative and translational potential. Further preclinical research and human clinical trials are required to further advance this area of research.
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Affiliation(s)
- Neha Datta
- School of Medicine, University of Nottingham, Nottingham, UK
| | - Charlotte Johnson
- NIHR Nottingham Biomedical Research Centre, University of Nottingham, Nottingham, UK; Nottingham Digestive Diseases Centre, School of Medicine, University of Nottingham, Nottingham, UK
| | - Dina Kao
- Division of Gastroenterology, Department of Medicine, University of Alberta, Edmonton, Alberta, Canada
| | - Pratik Gurnani
- Division of Molecular Therapeutics & Formulation, School of Pharmacy, University of Nottingham, Nottingham, UK
| | - Cameron Alexander
- Division of Molecular Therapeutics & Formulation, School of Pharmacy, University of Nottingham, Nottingham, UK
| | - Christos Polytarchou
- Department of Biosciences, John van Geest Cancer Research Centre, School of Science & Technology, Nottingham Trent University, Nottingham, UK.
| | - Tanya M Monaghan
- NIHR Nottingham Biomedical Research Centre, University of Nottingham, Nottingham, UK; Nottingham Digestive Diseases Centre, School of Medicine, University of Nottingham, Nottingham, UK.
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8
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Fathi D, Elballal MS, Elesawy AE, Abulsoud AI, Elshafei A, Elsakka EG, Ismail A, El-Mahdy HA, Elrebehy MA, Doghish AS. An emphasis on the interaction of signaling pathways highlights the role of miRNAs in the etiology and treatment resistance of gastric cancer. Life Sci 2023; 322:121667. [PMID: 37023952 DOI: 10.1016/j.lfs.2023.121667] [Citation(s) in RCA: 40] [Impact Index Per Article: 40.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 04/01/2023] [Accepted: 04/03/2023] [Indexed: 04/07/2023]
Abstract
Gastric cancer (GC) is 4th in incidence and mortality rates globally. Several genetic and epigenetic factors, including microRNAs (miRNAs), affect its initiation and progression. miRNAs are short chains of nucleic acids that can regulate several cellular processes by controlling their gene expression. So, dysregulation of miRNAs expressions is associated with GC initiation, progression, invasion capacity, apoptosis evasions, angiogenesis, promotion and EMT enhancement. Of important pathways in GC and controlled by miRNAs are Wnt/β-catenin signaling, HMGA2/mTOR/P-gp, PI3K/AKT/c-Myc, VEGFR and TGFb signaling. Hence, this review was conducted to review an updated view of the role of miRNAs in GC pathogenesis and their modulatory effects on responses to different GC treatment modalities.
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9
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Bartoszewska S, Sławski J, Collawn JF, Bartoszewski R. HIF-1-Induced hsa-miR-429: Understanding Its Direct Targets as the Key to Developing Cancer Diagnostics and Therapies. Cancers (Basel) 2023; 15:cancers15112903. [PMID: 37296866 DOI: 10.3390/cancers15112903] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Revised: 05/21/2023] [Accepted: 05/24/2023] [Indexed: 06/12/2023] Open
Abstract
MicroRNAs (miRNAs) play a critical role in the regulation of mRNA stability and translation. In spite of our present knowledge on the mechanisms of mRNA regulation by miRNAs, the utilization and translation of these ncRNAs into clinical applications have been problematic. Using hsa-miR-429 as an example, we discuss the limitations encountered in the development of efficient miRNA-related therapies and diagnostic approaches. The miR-200 family members, which include hsa-miR-429, have been shown to be dysregulated in different types of cancer. Although these miR-200 family members have been shown to function in suppressing epithelial-to-mesenchymal transition, tumor metastasis, and chemoresistance, the experimental results have often been contradictory. These complications involve not only the complex networks involving these noncoding RNAs, but also the problem of identifying false positives. To overcome these limitations, a more comprehensive research strategy is needed to increase our understanding of the mechanisms underlying their biological role in mRNA regulation. Here, we provide a literature analysis of the verified hsa-miR-429 targets in various human research models. A meta-analysis of this work is presented to provide better insights into the role of hsa-miR-429 in cancer diagnosis and any potential therapeutic approach.
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Affiliation(s)
- Sylwia Bartoszewska
- Department of Inorganic Chemistry, Medical University of Gdansk, 80-416 Gdansk, Poland
| | - Jakub Sławski
- Department of Biophysics, Faculty of Biotechnology, University of Wroclaw, 50-383 Wroclaw, Poland
| | - James F Collawn
- Department of Cell, Developmental and Integrative Biology, University of Alabama, Birmingham, AL 35294, USA
| | - Rafal Bartoszewski
- Department of Biophysics, Faculty of Biotechnology, University of Wroclaw, 50-383 Wroclaw, Poland
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10
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Doghish AS, El-Husseiny AA, Abdelmaksoud NM, El-Mahdy HA, Elsakka EGE, Abdel Mageed SS, Mahmoud AMA, Raouf AA, Elballal MS, El-Dakroury WA, AbdelRazek MMM, Noshy M, El-Husseiny HM, Abulsoud AI. The interplay of signaling pathways and miRNAs in the pathogenesis and targeted therapy of esophageal cancer. Pathol Res Pract 2023; 246:154529. [PMID: 37196470 DOI: 10.1016/j.prp.2023.154529] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Revised: 05/06/2023] [Accepted: 05/08/2023] [Indexed: 05/19/2023]
Abstract
Globally, esophageal cancer (EC) is the 6th leading cause of cancer-related deaths and the second deadliest gastrointestinal cancer. Multiple genetic and epigenetic factors, such as microRNAs (miRNAs), influence its onset and progression. miRNAs are short nucleic acid molecules that can regulate multiple cellular processes by regulating gene expression. Therefore, EC initiation, progression, apoptosis evasions, invasion capacity, promotion, angiogenesis, and epithelial-mesenchymal transition (EMT) enhancement are associated with miRNA expression dysregulation. Wnt/-catenin signaling, Mammalian target of rapamycin (mTOR)/P-gp, phosphoinositide-3-kinase (PI3K)/AKT/c-Myc, epidermal growth factor receptor (EGFR), and transforming growth factor (TGF)-β signaling are crucial pathways in EC that are controlled by miRNAs. This review was conducted to provide an up-to-date assessment of the role of microRNAs in EC pathogenesis and their modulatory effects on responses to various EC treatment modalities.
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Affiliation(s)
- Ahmed S Doghish
- Department of Biochemistry, Faculty of Pharmacy, Badr University in Cairo (BUC), Badr City, Cairo 11829, Egypt; Biochemistry and Molecular Biology Department, Faculty of Pharmacy (Boys), Al-Azhar University, Nasr City 11231, Cairo, Egypt.
| | - Ahmed A El-Husseiny
- Biochemistry and Molecular Biology Department, Faculty of Pharmacy (Boys), Al-Azhar University, Nasr City 11231, Cairo, Egypt; Department of Biochemistry, Faculty of Pharmacy, Egyptian Russian University, Badr City 11829, Cairo, Egypt
| | - Nourhan M Abdelmaksoud
- Department of Biochemistry and Biotechnology, Faculty of Pharmacy, Heliopolis University, Cairo 11785, Egypt
| | - Hesham A El-Mahdy
- Biochemistry and Molecular Biology Department, Faculty of Pharmacy (Boys), Al-Azhar University, Nasr City 11231, Cairo, Egypt.
| | - Elsayed G E Elsakka
- Biochemistry and Molecular Biology Department, Faculty of Pharmacy (Boys), Al-Azhar University, Nasr City 11231, Cairo, Egypt
| | - Sherif S Abdel Mageed
- Pharmacology and Toxicology Department, Faculty of Pharmacy, Badr University in Cairo (BUC), Badr City, Cairo 11829, Egypt
| | - Abdulla M A Mahmoud
- Pharmacology and Toxicology Department, Faculty of Pharmacy, Badr University in Cairo (BUC), Badr City, Cairo 11829, Egypt
| | - Ahmed Amr Raouf
- Pharmacology and Toxicology Department, Faculty of Pharmacy, Badr University in Cairo (BUC), Badr City, Cairo 11829, Egypt
| | - Mohammed S Elballal
- Department of Biochemistry, Faculty of Pharmacy, Badr University in Cairo (BUC), Badr City, Cairo 11829, Egypt
| | - Walaa A El-Dakroury
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Badr University in Cairo (BUC), Badr City, Cairo 11829, Egypt
| | - Mohamed M M AbdelRazek
- Department of Pharmacognosy, Faculty of Pharmacy, Badr University in Cairo (BUC), Badr City, Cairo 11829, Egypt
| | - Mina Noshy
- Clinical Pharmacy Department, Faculty of Pharmacy, King Salman International University (KSIU), SouthSinai, Ras Sudr 46612, Egypt
| | - Hussein M El-Husseiny
- Cooperative Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai Cho, Fuchu-shi, Tokyo 183-8509, Japan; Department of Surgery, Anesthesiology, and Radiology, Faculty of Veterinary Medicine, Benha University, Moshtohor, Toukh, Elqaliobiya 13736, Egypt
| | - Ahmed I Abulsoud
- Biochemistry and Molecular Biology Department, Faculty of Pharmacy (Boys), Al-Azhar University, Nasr City 11231, Cairo, Egypt; Department of Biochemistry and Biotechnology, Faculty of Pharmacy, Heliopolis University, Cairo 11785, Egypt
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11
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Safi A, Saberiyan M, Sanaei MJ, Adelian S, Davarani Asl F, Zeinaly M, Shamsi M, Ahmadi R. The role of noncoding RNAs in metabolic reprogramming of cancer cells. Cell Mol Biol Lett 2023; 28:37. [PMID: 37161350 PMCID: PMC10169341 DOI: 10.1186/s11658-023-00447-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Accepted: 04/11/2023] [Indexed: 05/11/2023] Open
Abstract
Metabolic reprogramming is a well-known feature of cancer that allows malignant cells to alter metabolic reactions and nutrient uptake, thereby promoting tumor growth and spread. It has been discovered that noncoding RNAs (ncRNAs), including microRNA (miRNA), long noncoding RNA (lncRNA), and circular RNA (circRNA), have a role in a variety of biological functions, control physiologic and developmental processes, and even influence disease. They have been recognized in numerous cancer types as tumor suppressors and oncogenic agents. The role of ncRNAs in the metabolic reprogramming of cancer cells has recently been noticed. We examine this subject, with an emphasis on the metabolism of glucose, lipids, and amino acids, and highlight the therapeutic use of targeting ncRNAs in cancer treatment.
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Affiliation(s)
- Amir Safi
- Clinical Biochemistry Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Mohammadreza Saberiyan
- Cellular and Molecular Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Mohammad-Javad Sanaei
- Department of Hematology and Blood Banking, School of Allied Medical Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Samaneh Adelian
- Cellular and Molecular Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Fateme Davarani Asl
- Cellular and Molecular Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Mahsa Zeinaly
- Department of Biology, Faculty of Sciences, University of Guilan, Rasht, Iran
| | - Mahdi Shamsi
- Department of Cell and Molecular Biology, Najafabad Branch, Islamic Azad University, Najafabad, Iran
| | - Reza Ahmadi
- Medical Plants Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Rahmatiyeh Region, Shahrekord, Iran.
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12
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Ortega MM, Bouamar H. Guidelines on Designing MicroRNA Sponges: From Construction to Stable Cell Line. Methods Mol Biol 2023; 2595:171-183. [PMID: 36441462 DOI: 10.1007/978-1-0716-2823-2_12] [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] [Indexed: 11/29/2022]
Abstract
Single microRNA (miRNA) can be inhibited using antagomiR which efficiently knocks down a specific miRNA. However, the effect is transient and often results in subtle phenotype. Here we report a guideline on designing miRNA sponges inhibiting a miRNA family. As a model system, we targeted miR-30 family, known as tumor suppressor miRNAs in multiple tumors. To achieve an efficient knockdown, we generated perfect and bulged-matched miRNA binding sites (MBS) and introduced multiple copies of MBS. The protocol here demonstrates the miRNA sponge as a useful tool to examine the functional impact of inhibition miRNAs.
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Affiliation(s)
- Manoela Marques Ortega
- Laboratory of Cell and Molecular Tumor Biology and Bioactive Compounds, São Francisco University, Bragança Paulista, São Paulo, Brazil.
| | - Hakim Bouamar
- Department of Cellular and Structural Biology, University of Texas Health Science Center at San Antonio, San Antonio, TX, USA
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13
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miR-125-3p and miR-276b-3p Regulate the Spermatogenesis of Bactrocera dorsalis by Targeting the orb2 Gene. Genes (Basel) 2022; 13:genes13101861. [PMID: 36292746 PMCID: PMC9601815 DOI: 10.3390/genes13101861] [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: 09/14/2022] [Revised: 10/07/2022] [Accepted: 10/08/2022] [Indexed: 11/04/2022] Open
Abstract
Bactrocera dorsalis is considered a major threat to horticultural crops. It has evolved resistance against insecticides. It is believed that development of new methods is highly desirable to control this destructive agricultural pest. Sterile insect technique is emerging as a potential tool to control this insect pest by reducing their reproductive ability. Here we report that orb2 has high expression in the testis of B. dorsalis which is the target of miR-125-3p and miR-276b-3p and plays a critical role in the spermatogenesis. Dual luciferase reporter assay using HEKT293 cells demonstrates that orb2 gene is downregulated by miR-125-3p and miR-276b-3p and is a common target of these miRNAs. Dietary treatment of adult male flies separately and in combination of agomir-125-3p (Ago-125-3p) and agomir-276b-3p (Ago-276b-3p) significantly downregulated the mRNA of orb2. The combined treatments of agomirs suppressed the level of mRNA of orb2 significantly more than any single treatment. Altered expression of miR-125-3p and miR-276b-3p significantly decreased the total and live spermatozoa in the testis which ultimately caused reduction in male fertility. Furthermore, we demonstrate that miR-125-3p, miR-276b-3p, and orb2 dsRNA are the novel agents that could be used in a genetic-based sterile insect technique (SIT) to control the B. dorsalis.
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14
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Clausse V, Zheng H, Amarasekara H, Kruhlak M, Appella DH. Thyclotides, tetrahydrofuran-modified peptide nucleic acids that efficiently penetrate cells and inhibit microRNA-21. Nucleic Acids Res 2022; 50:10839-10856. [PMID: 36215040 DOI: 10.1093/nar/gkac864] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Revised: 09/14/2022] [Accepted: 09/26/2022] [Indexed: 11/12/2022] Open
Abstract
Peptide nucleic acids (PNAs) are promising therapeutic molecules for gene modulation; however, they suffer from poor cell uptake. Delivery of PNAs into cells requires conjugation of the PNA to another large molecule, typically a cell-penetrating peptide or nanoparticle. In this study, we describe a new PNA-based molecule with cyclic tetrahydrofuran (THF) backbone modifications that in some cases considerably improve cell uptake. We refer to these THF-PNA oligomers as thyclotides. With THF groups at every position of the oligomer, the cell uptake of thyclotides targeted to miR-21 is enhanced compared with the corresponding unmodified PNA based on an aminoethylglycine backbone. An optimized thyclotide can efficiently enter cells without the use of cell-penetrating peptides, bind miR-21, its designated microRNA target, decrease expression of miR-21 and increase expression of three downstream targets (PTEN, Cdc25a and KRIT1). Using a plasmid with the PTEN-3'UTR coupled with luciferase, we further confirmed that a miR-21-targeted thyclotide prevents miR-21 from binding to its target RNA. Additionally, the thyclotide shows no cytotoxicity when administered at 200 times its active concentration. We propose that thyclotides be further explored as therapeutic candidates to modulate miRNA levels.
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Affiliation(s)
- Victor Clausse
- Synthetic Bioactive Molecules Section, Laboratory of Bioorganic Chemistry, NIDDK, National Institutes of Health, Bethesda, MD 20892, USA
| | - Hongchao Zheng
- Synthetic Bioactive Molecules Section, Laboratory of Bioorganic Chemistry, NIDDK, National Institutes of Health, Bethesda, MD 20892, USA
| | - Harsha Amarasekara
- Synthetic Bioactive Molecules Section, Laboratory of Bioorganic Chemistry, NIDDK, National Institutes of Health, Bethesda, MD 20892, USA
| | - Michael Kruhlak
- Microscopy Core Facility, Center for Cancer Research, NCI, National Institutes of Health, Bethesda, MD 20892, USA
| | - Daniel H Appella
- Synthetic Bioactive Molecules Section, Laboratory of Bioorganic Chemistry, NIDDK, National Institutes of Health, Bethesda, MD 20892, USA
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15
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Rahnama N, Jahangir M, Alesaeid S, Kahrizi MS, Adili A, Mohammed RN, Aslaminabad R, Akbari M, Özgönül AM. Association between microRNAs and chemoresistance in pancreatic cancer: Current knowledge, new insights, and forthcoming perspectives. Pathol Res Pract 2022; 236:153982. [PMID: 35779293 DOI: 10.1016/j.prp.2022.153982] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/10/2022] [Revised: 05/27/2022] [Accepted: 06/11/2022] [Indexed: 11/25/2022]
Abstract
Pancreatic duct adenocarcinoma, commonly known as pancreatic cancer (PC), is a cancer-related cause of death due to delayed diagnosis, metastasis, and drug resistance. Patients with PC suffer from incorrect responses to chemotherapy due to inherent and acquired chemical resistance. Numerous studies have shown the mechanism of the effect of chemoresistance on PC, such as genetic and epigenetic changes or the elucidation of signaling pathways. In this regard, microRNAs (miRNAs) have been identified as essential modulators of gene expression in various cellular functions, including chemoresistance. Thus, identifying the underlying link between microRNAs and PC chemoresistance helps determine the exact pathogenesis of PC. This study aims to classify miRNAs and signaling pathways related to PC chemoresistance, suggesting new therapeutic approaches to overcome PC chemoresistance.
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Affiliation(s)
- Negin Rahnama
- Department of Internal Medicine and Health Services, Semnan University of Medical Sciences, Semnan, Iran
| | | | - Samira Alesaeid
- Department of Internal Medicine and Rheumatology, Rheumatology Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | | | - Ali Adili
- Senior Adult Oncology Department, Moffitt Cancer Center, University of South Florida, FL, USA; Department of Oncology, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Rebar N Mohammed
- Medical Laboratory Analysis Department, College of Health Sciences, Cihan University of Sulaimaniya, Kurdistan Region, Iraq; College of Veterinary Medicine, University of Sulaimani, Sulaimaniyah, Iraq
| | - Ramin Aslaminabad
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Morteza Akbari
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Ali Mert Özgönül
- Department of Biochemistry, Faculty of Medicine, Ege University, Bornova, Izmir, Turkey.
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16
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Saon MS, Znosko BM. Thermodynamic characterization of naturally occurring RNA pentaloops. RNA (NEW YORK, N.Y.) 2022; 28:832-841. [PMID: 35318243 PMCID: PMC9074901 DOI: 10.1261/rna.078915.121] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Accepted: 03/02/2022] [Indexed: 06/03/2023]
Abstract
RNA folding is hierarchical; therefore, predicting RNA secondary structure from sequence is an intermediate step in predicting tertiary structure. Secondary structure prediction is based on a nearest neighbor model using free energy minimization. To improve secondary structure prediction, all types of naturally occurring secondary structure motifs need to be thermodynamically characterized. However, not all secondary structure motifs are well characterized. Pentaloops, the second most abundant hairpin size, is one such uncharacterized motif. In fact, the current thermodynamic model used to predict the stability of pentaloops was derived from a small data set of pentaloops and from data for other hairpins of different sizes. Here, the most commonly occurring pentaloops were identified and optically melted. New experimental data for 22 pentaloop sequences were combined with previously published data for nine pentaloop sequences. Using linear regression, a pentaloop-specific model was derived. This new model is simpler and more accurate than the current model. The new experimental data and improved model can be incorporated into software that is used to predict RNA secondary structure from sequence.
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Affiliation(s)
- Md Sharear Saon
- Department of Chemistry, Saint Louis University, Saint Louis, Missouri 63103, USA
| | - Brent M Znosko
- Department of Chemistry, Saint Louis University, Saint Louis, Missouri 63103, USA
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17
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Histone Modification on Parathyroid Tumors: A Review of Epigenetics. Int J Mol Sci 2022; 23:ijms23105378. [PMID: 35628190 PMCID: PMC9140881 DOI: 10.3390/ijms23105378] [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: 03/31/2022] [Revised: 05/02/2022] [Accepted: 05/07/2022] [Indexed: 01/27/2023] Open
Abstract
Parathyroid tumors are very prevalent conditions among endocrine tumors, being the second most common behind thyroid tumors. Secondary hyperplasia can occur beyond benign and malignant neoplasia in parathyroid glands. Adenomas are the leading cause of hyperparathyroidism, while carcinomas represent less than 1% of the cases. Tumor suppressor gene mutations such as MEN1 and CDC73 were demonstrated to be involved in tumor development in both familiar and sporadic types; however, the epigenetic features of the parathyroid tumors are still a little-explored subject. We present a review of epigenetic mechanisms related to parathyroid tumors, emphasizing advances in histone modification and its perspective of becoming a promising area in parathyroid tumor research.
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18
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Kornmueller K, Amri EZ, Scheideler M, Prassl R. Delivery of miRNAs to the adipose organ for metabolic health. Adv Drug Deliv Rev 2022; 181:114110. [PMID: 34995679 DOI: 10.1016/j.addr.2021.114110] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Revised: 12/14/2021] [Accepted: 12/30/2021] [Indexed: 11/16/2022]
Abstract
Despite the increasing prevalence of obesity and diabetes, there is no efficient treatment to combat these epidemics. The adipose organ is the main site for energy storage and plays a pivotal role in whole body lipid metabolism and energy homeostasis, including remodeling and dysfunction of adipocytes and adipose tissues in obesity and diabetes. Thus, restoring and balancing metabolic functions in the adipose organ is in demand. MiRNAs represent a novel class of drugs and drug targets, as they are heavily involved in the regulation of many cellular and metabolic processes and diseases, likewise in adipocytes. In this review, we summarize key regulatory activities of miRNAs in the adipose organ, discuss various miRNA replacement and inhibition strategies, promising delivery systems for miRNAs and reflect the future of novel miRNA-based therapeutics to target adipose tissues with the ultimate goal to combat metabolic disorders.
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Affiliation(s)
- Karin Kornmueller
- Department of Biophysics, Gottfried Schatz Research Center, Medical University of Graz, Austria
| | | | - Marcel Scheideler
- Helmholtz Zentrum München, German Research Center for Environmental Health, Neuherberg, Germany
| | - Ruth Prassl
- Department of Biophysics, Gottfried Schatz Research Center, Medical University of Graz, Austria.
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19
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Hassan A, Khalaily N, Kilav-Levin R, Nechama M, Volovelsky O, Silver J, Naveh-Many T. Molecular Mechanisms of Parathyroid Disorders in Chronic Kidney Disease. Metabolites 2022; 12:metabo12020111. [PMID: 35208186 PMCID: PMC8878033 DOI: 10.3390/metabo12020111] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Revised: 01/17/2022] [Accepted: 01/20/2022] [Indexed: 01/27/2023] Open
Abstract
Secondary hyperparathyroidism (SHP) is a common complication of chronic kidney disease (CKD) that induces morbidity and mortality in patients. How CKD stimulates the parathyroid to increase parathyroid hormone (PTH) secretion, gene expression and cell proliferation remains an open question. In experimental SHP, the increased PTH gene expression is post-transcriptional and mediated by PTH mRNA–protein interactions that promote PTH mRNA stability. These interactions are orchestrated by the isomerase Pin1. Pin1 participates in conformational change-based regulation of target proteins, including mRNA-binding proteins. In SHP, Pin1 isomerase activity is decreased, and thus, the Pin1 target and PTH mRNA destabilizing protein KSRP fails to bind PTH mRNA, increasing PTH mRNA stability and levels. An additional level of post-transcriptional regulation is mediated by microRNA (miRNA). Mice with parathyroid-specific knockout of Dicer, which facilitates the final step in miRNA maturation, lack parathyroid miRNAs but have normal PTH and calcium levels. Surprisingly, these mice fail to increase serum PTH in response to hypocalcemia or uremia, indicating a role for miRNAs in parathyroid stimulation. SHP often leads to parathyroid hyperplasia. Reduced expressions of parathyroid regulating receptors, activation of transforming growth factor α-epidermal growth factor receptor, cyclooxygenase 2-prostaglandin E2 and mTOR signaling all contribute to the enhanced parathyroid cell proliferation. Inhibition of mTOR by rapamycin prevents and corrects the increased parathyroid cell proliferation of SHP. This review summarizes the current knowledge on the mechanisms that stimulate the parathyroid cell at multiple levels in SHP.
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Affiliation(s)
- Alia Hassan
- Minerva Center for Bone and Mineral Research, Nephrology Services, Hadassah—Hebrew University Medical Center, Jerusalem 91120, Israel; (A.H.); (N.K.); (R.K.-L.); (J.S.)
| | - Nareman Khalaily
- Minerva Center for Bone and Mineral Research, Nephrology Services, Hadassah—Hebrew University Medical Center, Jerusalem 91120, Israel; (A.H.); (N.K.); (R.K.-L.); (J.S.)
| | - Rachel Kilav-Levin
- Minerva Center for Bone and Mineral Research, Nephrology Services, Hadassah—Hebrew University Medical Center, Jerusalem 91120, Israel; (A.H.); (N.K.); (R.K.-L.); (J.S.)
- Nursing, Jerusalem College of Technology, Jerusalem 91160, Israel
| | - Morris Nechama
- Pediatric Nephrology, Hadassah—Hebrew University Medical Center, Jerusalem 91120, Israel; (M.N.); (O.V.)
- The Wohl Institute for Translational Medicine, Hadassah—Hebrew University Medical Center, Jerusalem 91120, Israel
| | - Oded Volovelsky
- Pediatric Nephrology, Hadassah—Hebrew University Medical Center, Jerusalem 91120, Israel; (M.N.); (O.V.)
- The Wohl Institute for Translational Medicine, Hadassah—Hebrew University Medical Center, Jerusalem 91120, Israel
| | - Justin Silver
- Minerva Center for Bone and Mineral Research, Nephrology Services, Hadassah—Hebrew University Medical Center, Jerusalem 91120, Israel; (A.H.); (N.K.); (R.K.-L.); (J.S.)
| | - Tally Naveh-Many
- Minerva Center for Bone and Mineral Research, Nephrology Services, Hadassah—Hebrew University Medical Center, Jerusalem 91120, Israel; (A.H.); (N.K.); (R.K.-L.); (J.S.)
- The Wohl Institute for Translational Medicine, Hadassah—Hebrew University Medical Center, Jerusalem 91120, Israel
- Correspondence:
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20
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Sadashiv, Sharma P, Dwivedi S, Tiwari S, Singh PK, Pal A, Kumar S. Micro (mi) RNA and Diabetic Retinopathy. Indian J Clin Biochem 2022; 37:267-274. [DOI: 10.1007/s12291-021-01018-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2021] [Accepted: 11/30/2021] [Indexed: 11/24/2022]
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21
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Marino M, Mele E, Pastorino GMG, Meccariello R, Operto FF, Santoro A, Viggiano A. Neuroinflammation: Molecular Mechanisms And Therapeutic Perspectives. Cent Nerv Syst Agents Med Chem 2022; 22:160-174. [PMID: 36177627 DOI: 10.2174/1871524922666220929153215] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 08/01/2022] [Accepted: 08/22/2022] [Indexed: 06/16/2023]
Abstract
BACKGROUND Neuroinflammation is a key component in the etiopathogenesis of neurological diseases and brain aging. This process involves the brain immune system that modulates synaptic functions and protects neurons from infection or damage. Hence, the knowledge of neuroinflammation related pathways and modulation by drugs or natural compounds is functional to developing therapeutic strategies aimed at preserving, maintaining and restoring brain health. OBJECTIVE This review article summarizes the basics of neuroinflammation and related signaling pathways, the success of the dietary intervention in clinical practice and the possible development of RNA-based strategies for treating neurological diseases. METHODS Pubmed search from 2012 to 2022 with the keywords neuroinflammation and molecular mechanisms in combination with diet, miRNA and non-coding RNA. RESULTS Glial cells-play a crucial role in neuroinflammation, but several pathways can be activated in response to different inflammatory stimuli, inducing cell death by apoptosis, pyroptosis or necroptosis. The dietary intervention has immunomodulatory effects and could limit the inflammatory process induced by microglia and astrocytes. Thus by inhibiting neuroinflammation and improving the symptoms of a variety of neurological diseases, diet exerts pleiotropic neuroprotective effects independently from the spectrum of pathophysiological mechanisms underlying the specific disorder. Furthermore, data from animal models revealed that altered expression of specific noncoding RNAs, in particular microRNAs, contributes to neuroinflammatory diseases; consequently, RNA-based strategies may be promising to alleviate the consequences of neuroinflammation. CONCLUSION Further studies are needed to identify the molecular pathways and the new pharmacological targets in neuroinflammation to lay the basis for more effective and selective therapies to be applied, in parallel to dietary intervention, in the treatment of neuroinflammation-based diseases.
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Affiliation(s)
- Marianna Marino
- Dipartimento di Medicina, Chirurgia e Odontoiatria "Scuola Medica Salernitana", Università di Salerno, 84081 Baronissi, Italy
| | - Elena Mele
- Dipartimento di Scienze Motorie e del Benessere, Università di Napoli Parthenope, 80133 Napoli, Italy
| | | | - Rosaria Meccariello
- Dipartimento di Scienze Motorie e del Benessere, Università di Napoli Parthenope, 80133 Napoli, Italy
| | - Francesca Felicia Operto
- Child and Adolescent Neuropsychiatry Unit, Medical School, University of Salerno, Salerno, Italy
| | - Antonietta Santoro
- Dipartimento di Medicina, Chirurgia e Odontoiatria "Scuola Medica Salernitana", Università di Salerno, 84081 Baronissi, Italy
| | - Andrea Viggiano
- Dipartimento di Medicina, Chirurgia e Odontoiatria "Scuola Medica Salernitana", Università di Salerno, 84081 Baronissi, Italy
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22
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Zhou H, Tang W, Yang J, Peng J, Guo J, Fan C. MicroRNA-Related Strategies to Improve Cardiac Function in Heart Failure. Front Cardiovasc Med 2021; 8:773083. [PMID: 34869689 PMCID: PMC8639862 DOI: 10.3389/fcvm.2021.773083] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Accepted: 10/25/2021] [Indexed: 12/18/2022] Open
Abstract
Heart failure (HF) describes a group of manifestations caused by the failure of heart function as a pump that supports blood flow through the body. MicroRNAs (miRNAs), as one type of non-coding RNA molecule, have crucial roles in the etiology of HF. Accordingly, miRNAs related to HF may represent potential novel therapeutic targets. In this review, we first discuss the different roles of miRNAs in the development and diseases of the heart. We then outline commonly used miRNA chemical modifications and delivery systems. Further, we summarize the opportunities and challenges for HF-related miRNA therapeutics targets, and discuss the first clinical trial of an antisense drug (CDR132L) in patients with HF. Finally, we outline current and future challenges and potential new directions for miRNA-based therapeutics for HF.
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Affiliation(s)
- Huatao Zhou
- Department of Cardiovascular Surgery, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Weijie Tang
- Department of Cardiovascular Surgery, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Jinfu Yang
- Department of Cardiovascular Surgery, The Second Xiangya Hospital, Central South University, Changsha, China.,Department of Pharmacology, Hunan Provincial Key Laboratory of Cardiovascular Research, Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, China
| | - Jun Peng
- Department of Pharmacology, Hunan Provincial Key Laboratory of Cardiovascular Research, Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, China
| | - Jianjun Guo
- Hunan Fangsheng Pharmaceutical Co., Ltd. Changsha, China
| | - Chengming Fan
- Department of Cardiovascular Surgery, The Second Xiangya Hospital, Central South University, Changsha, China.,Department of Pharmacology, Hunan Provincial Key Laboratory of Cardiovascular Research, Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, China.,Hunan Fangsheng Pharmaceutical Co., Ltd. Changsha, China
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23
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Zhao Y, Shu R, Liu J. The development and improvement of ribonucleic acid therapy strategies. MOLECULAR THERAPY. NUCLEIC ACIDS 2021; 26:997-1013. [PMID: 34540356 PMCID: PMC8437697 DOI: 10.1016/j.omtn.2021.09.002] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
The biological understanding of RNA has evolved since the discovery of catalytic RNAs in the early 1980s and the establishment of RNA interference (RNAi) in the 1990s. RNA is no longer seen as the simple mid-product between transcription and translation but as potential molecules to be developed as RNA therapeutic drugs. RNA-based therapeutic drugs have gained recognition because of their ability to regulate gene expression and perform cellular functions. Various nucleobase, backbone, and sugar-modified oligonucleotides have been synthesized, as natural oligonucleotides have some limitations such as poor low nuclease resistance, binding affinity, poor cellular uptake, and toxicity, which affect their use as RNA therapeutic drugs. In this review, we briefly discuss different RNA therapeutic drugs and their internal connections, including antisense oligonucleotides, small interfering RNAs (siRNAs) and microRNAs (miRNAs), aptamers, small activating RNAs (saRNAs), and RNA vaccines. We also discuss the important roles of RNA vaccines and their use in the fight against COVID-19. In addition, various chemical modifications and delivery systems used to improve the performance of RNA therapeutic drugs and overcome their limitations are discussed.
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Affiliation(s)
- Yuxi Zhao
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Chinese Academy of Medical Sciences Research Unit of Oral Carcinogenesis and Management, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Rui Shu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Chinese Academy of Medical Sciences Research Unit of Oral Carcinogenesis and Management, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
- Corresponding author: Rui Shu, State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Chinese Academy of Medical Sciences Research Unit of Oral Carcinogenesis and Management, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China.
| | - Jiang Liu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Chinese Academy of Medical Sciences Research Unit of Oral Carcinogenesis and Management, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
- Corresponding author: Jiang Liu, State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Chinese Academy of Medical Sciences Research Unit of Oral Carcinogenesis and Management, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China.
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24
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Gubu A, Su W, Zhao X, Zhang X, Fan X, Wang J, Wang Q, Tang X. Circular Antisense Oligonucleotides for Specific RNase-H-Mediated microRNA Inhibition with Reduced Off-Target Effects and Nonspecific Immunostimulation. J Med Chem 2021; 64:16046-16055. [PMID: 34672619 DOI: 10.1021/acs.jmedchem.1c01421] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Antisense microRNA oligodeoxynucleotides (AMOs) are powerful tools to regulate microRNA functions. Unfortunately, severe off-target effects are sometimes observed. Due to the special topological and enzymatic properties of circular oligodeoxynucleotides (c-ODNs), we rationally designed and developed circular AMOs, which effectively inhibited microRNA functions with high target specificity and low off-target effects. Binding and enzymatic assays indicated that small circular AMOs could selectively bind to and further digest the target mature miR 21, which suggested that the topological properties of circular c-ODNs significantly decreased their off-target effects as microRNA inhibitors. Compared with their linear corresponding phosphorothioated AMOs, circular phosphorothioated AMOs could more effectively reduce the amount of carcinogenic miR 21 and miR 222 and upregulate the expression levels of downstream antitumor proteins of PTEN and PDCD4. In addition, c-PS-antimiRs induced much less nonspecific immunostimulatory effects compared with their linear partner PS-ODNs, further indicating the advantages of circular ODNs in nonspecific immunostimulation.
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Affiliation(s)
- Amu Gubu
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, No. 38 Xueyuan Road, Beijing 100191, China.,Chemical Biology Center, Peking University, No. 38 Xueyuan Road, Beijing 100191, China
| | - Wenbo Su
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, No. 38 Xueyuan Road, Beijing 100191, China.,Chemical Biology Center, Peking University, No. 38 Xueyuan Road, Beijing 100191, China
| | - Xiaoran Zhao
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, No. 38 Xueyuan Road, Beijing 100191, China.,Chemical Biology Center, Peking University, No. 38 Xueyuan Road, Beijing 100191, China
| | - Xueli Zhang
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, No. 38 Xueyuan Road, Beijing 100191, China.,Chemical Biology Center, Peking University, No. 38 Xueyuan Road, Beijing 100191, China
| | - Xinli Fan
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, No. 38 Xueyuan Road, Beijing 100191, China.,Chemical Biology Center, Peking University, No. 38 Xueyuan Road, Beijing 100191, China
| | - Jing Wang
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, No. 38 Xueyuan Road, Beijing 100191, China
| | - Qian Wang
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, No. 38 Xueyuan Road, Beijing 100191, China
| | - Xinjing Tang
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, No. 38 Xueyuan Road, Beijing 100191, China.,Chemical Biology Center, Peking University, No. 38 Xueyuan Road, Beijing 100191, China
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25
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Smolarz B, Durczyński A, Romanowicz H, Hogendorf P. The Role of microRNA in Pancreatic Cancer. Biomedicines 2021; 9:biomedicines9101322. [PMID: 34680441 PMCID: PMC8533140 DOI: 10.3390/biomedicines9101322] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Revised: 09/18/2021] [Accepted: 09/22/2021] [Indexed: 12/12/2022] Open
Abstract
MicroRNAs (miRNAs) are small ribonucleic acid molecules that play a key role in regulating gene expression. The increasing number of studies undertaken on the functioning of microRNAs in the tumor formation clearly indicates their important potential in oncological therapy. Pancreatic cancer is one of the deadliest cancers. The expression of miRNAs released into the bloodstream appears to be a good indicator of progression and evaluation of the aggressiveness of pancreatic cancer, as indicated by studies. The work reviewed the latest literature on the importance of miRNAs for pancreatic cancer development.
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Affiliation(s)
- Beata Smolarz
- Laboratory of Cancer Genetics, Department of Pathology, Polish Mother’s Memorial Hospital Research Institute, 93-338 Lodz, Poland;
- Correspondence: ; Tel.: +48-42-271-1290
| | - Adam Durczyński
- Department of General and Transplant Surgery, N. Barlicki Memorial Clinical Hospital, Medical University of Lodz, 90-153 Lodz, Poland; (A.D.); (P.H.)
| | - Hanna Romanowicz
- Laboratory of Cancer Genetics, Department of Pathology, Polish Mother’s Memorial Hospital Research Institute, 93-338 Lodz, Poland;
| | - Piotr Hogendorf
- Department of General and Transplant Surgery, N. Barlicki Memorial Clinical Hospital, Medical University of Lodz, 90-153 Lodz, Poland; (A.D.); (P.H.)
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26
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Valverde A, Seal A, Nares S, Shukla D, Naqvi AR. Human herpesvirus-encoded MicroRNA in host-pathogen interaction. Adv Biol Regul 2021; 82:100829. [PMID: 34560402 DOI: 10.1016/j.jbior.2021.100829] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Revised: 08/28/2021] [Accepted: 09/13/2021] [Indexed: 11/17/2022]
Abstract
Human herpesviruses (HHV) are ubiquitous, linear dsDNA viruses that establish lifelong latency, disrupted by sporadic reactivation. HHV have evolved diverse ingenious mechanisms to evade robust host defenses. Incorporation of unique stem loop sequences that generate viral microRNAs (v-miRs) exemplifies one such evolutionary adaptation in HHV. These noncoding RNAs can control cellular and viral transcriptomes highlighting their ability in shaping host-HHV interactions. We summarize recent developments in functional characterization of HHV-encoded miRNAs in shaping the outcome of host-pathogen interaction. Non-immunogenic dissemination of v-miRs through exosomes confer added advantage to HHV in incessant modulation of host microenvironment. This review delineates the mechanistic role of v-miRs in facilitating viral persistence and tropism by targeting genes associated with cellular (apoptosis, angiogenesis, cell migration, etc.) and viral life cycle (latency, lytic and reactivation). Burgeoning evidences indicate plausible association of v-miRs in various immune-mediated diseases (nasopharyngeal carcinoma, neurological disorders, periodontal diseases, etc.) and herpesvirus-related malignancies indicating their broad-spectrum impact on host cellular pathways. We propose to exploit tisssue and systemic levels of v-miRs as diagnostic and prognostic markers for cancers and immune-mediated diseases. Therapeutic targeting of v-miRs will advance the promising outcomes of preclinical discoveries to bedside application.
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Affiliation(s)
- Araceli Valverde
- Department of Periodontics, College of Dentistry, University of Illinois at Chicago, United States
| | - Alexandra Seal
- Department of Periodontics, College of Dentistry, University of Illinois at Chicago, United States
| | - Salvador Nares
- Department of Periodontics, College of Dentistry, University of Illinois at Chicago, United States
| | - Deepak Shukla
- Department of Microbiology and Immunology, University of Illinois at Chicago, Chicago, IL, United States; Department of Ophthalmology and Visual Sciences, University of Illinois Medical Center, Chicago, IL, United States
| | - Afsar Raza Naqvi
- Department of Periodontics, College of Dentistry, University of Illinois at Chicago, United States.
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27
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Nasu K, Aoyagi Y, Zhu R, Okamoto M, Yano M, Kai K, Kawano Y. Role of repressed microRNAs in endometriosis. Med Mol Morphol 2021; 55:1-7. [PMID: 34463829 DOI: 10.1007/s00795-021-00303-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Accepted: 08/19/2021] [Indexed: 02/06/2023]
Abstract
Endometriosis is a common, estrogen-dependent benign tumor that affect 3-10% women of reproductive age, and is characterized by the ectopic growth of endometrial tissue, which is found primarily in the rectovaginal septum, ovaries, and pelvic peritoneum. To date, accumulating evidence suggests that various epigenetic aberrations, including the expression of aberrant microRNAs (miRNAs), play definite roles in the pathogenesis of endometriosis. This review summarizes the recent findings on the aberrantly repressed miRNAs, as well as their potential roles regarding the pathogenesis of endometriosis.
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Affiliation(s)
- Kaei Nasu
- Department of Obstetrics and Gynecology, Faculty of Medicine, Oita University, Idaigaoka 1-1, Hasama-machi, Yufu-shi, Oita, 879-5593, Japan. .,Division of Obstetrics and Gynecology, Support System for Community Medicine, Faculty of Medicine, Oita University, Oita, Japan.
| | - Yoko Aoyagi
- Department of Obstetrics and Gynecology, Faculty of Medicine, Oita University, Idaigaoka 1-1, Hasama-machi, Yufu-shi, Oita, 879-5593, Japan
| | - Ruofei Zhu
- Department of Obstetrics and Gynecology, Faculty of Medicine, Oita University, Idaigaoka 1-1, Hasama-machi, Yufu-shi, Oita, 879-5593, Japan
| | - Mamiko Okamoto
- Department of Obstetrics and Gynecology, Faculty of Medicine, Oita University, Idaigaoka 1-1, Hasama-machi, Yufu-shi, Oita, 879-5593, Japan
| | - Mitsutake Yano
- Department of Obstetrics and Gynecology, Faculty of Medicine, Oita University, Idaigaoka 1-1, Hasama-machi, Yufu-shi, Oita, 879-5593, Japan
| | - Kentaro Kai
- Department of Obstetrics and Gynecology, Faculty of Medicine, Oita University, Idaigaoka 1-1, Hasama-machi, Yufu-shi, Oita, 879-5593, Japan
| | - Yasushi Kawano
- Department of Obstetrics and Gynecology, Faculty of Medicine, Oita University, Idaigaoka 1-1, Hasama-machi, Yufu-shi, Oita, 879-5593, Japan
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Xia T, Chen XY, Zhang YN. MicroRNAs as biomarkers and perspectives in the therapy of pancreatic cancer. Mol Cell Biochem 2021; 476:4191-4203. [PMID: 34324119 DOI: 10.1007/s11010-021-04233-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Accepted: 07/20/2021] [Indexed: 12/12/2022]
Abstract
Pancreatic cancer is considered as one of the most aggressive tumor types, representing over 45,750 mortality cases annually in the USA solely. The aggressive nature and late identification of pancreatic cancer, combined with the restrictions of existing chemotherapeutics, present the mandatory need for the advancement of novel treatment systems. Ongoing reports have shown an important role of microRNAs (miRNAs) in the initiation, migration, and metastasis of malignancies. Besides, abnormal transcriptional levels of miRNAs have regularly been related with etiopathogenesis of pancreatic malignancy, underlining the conceivable utilization of miRNAs in the management of pancreatic disease patients. In this review article, we give a concise outline of molecular pathways involved in etiopathogenesis of pancreatic cancer patients as well as miRNA implications in pancreatic cancer patients. Ensuing sections describe the involvement of miRNAs in the diagnosis, prognosis, and therapy of pancreatic cancer patients. The involvement of miRNAs in the chemoresistance of pancreatic cancers was also discussed. End area portrays the substance of survey with future headings.
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Affiliation(s)
- Tao Xia
- Department of Gastrointestinal-Pancreatic Surgery, General Surgery, Zhejiang Provincial People's Hospital, Affiliated Hospital of Hangzhou Medical College, Hangzhou, 310014, Zhejiang Province, People's Republic of China.,Key Laboratory of Gastroenterology of Zhejiang Province, Zhejiang Provincial People's Hospital, Affiliated Hospital of Hangzhou Medical College, Hangzhou, 310014, Zhejiang Province, People's Republic of China
| | - Xiao-Yi Chen
- Clinical Research Institute, Zhejiang Provincial People's Hospital, Affiliated Hospital of Hangzhou Medical College, No. 158 Shangtang Road, Hangzhou, 310014, Zhejiang Province, People's Republic of China.
| | - You-Ni Zhang
- Department of Laboratory Medicine, Tiantai People's Hospital of Zhejiang Province (Tiantai Branch of Zhejiang People's Hospital), Kangning Middle Road, Shifeng Street, Tiantai County, Taizhou, 317200, Zhejiang Province, People's Republic of China.
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29
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Fitriana M, Hwang WL, Chan PY, Hsueh TY, Liao TT. Roles of microRNAs in Regulating Cancer Stemness in Head and Neck Cancers. Cancers (Basel) 2021; 13:cancers13071742. [PMID: 33917482 PMCID: PMC8038798 DOI: 10.3390/cancers13071742] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Revised: 03/31/2021] [Accepted: 04/02/2021] [Indexed: 12/14/2022] Open
Abstract
Head and neck squamous cell carcinomas (HNSCCs) are epithelial malignancies with 5-year overall survival rates of approximately 40-50%. Emerging evidence indicates that a small population of cells in HNSCC patients, named cancer stem cells (CSCs), play vital roles in the processes of tumor initiation, progression, metastasis, immune evasion, chemo-/radioresistance, and recurrence. The acquisition of stem-like properties of cancer cells further provides cellular plasticity for stress adaptation and contributes to therapeutic resistance, resulting in a worse clinical outcome. Thus, targeting cancer stemness is fundamental for cancer treatment. MicroRNAs (miRNAs) are known to regulate stem cell features in the development and tissue regeneration through a miRNA-target interactive network. In HNSCCs, miRNAs act as tumor suppressors and/or oncogenes to modulate cancer stemness and therapeutic efficacy by regulating the CSC-specific tumor microenvironment (TME) and signaling pathways, such as epithelial-to-mesenchymal transition (EMT), Wnt/β-catenin signaling, and epidermal growth factor receptor (EGFR) or insulin-like growth factor 1 receptor (IGF1R) signaling pathways. Owing to a deeper understanding of disease-relevant miRNAs and advances in in vivo delivery systems, the administration of miRNA-based therapeutics is feasible and safe in humans, with encouraging efficacy results in early-phase clinical trials. In this review, we summarize the present findings to better understand the mechanical actions of miRNAs in maintaining CSCs and acquiring the stem-like features of cancer cells during HNSCC pathogenesis.
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Affiliation(s)
- Melysa Fitriana
- Graduate Institute of Medical Sciences, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan;
- Otorhinolaryngology Head and Neck Surgery Department, Faculty of Medicine, Public Health and Nursing, Universitas Gadjah Mada, Yogyakarta 55281, Indonesia
| | - Wei-Lun Hwang
- Department of Biotechnology and Laboratory Science in Medicine, National Yang Ming Chiao Tung University, Taipei 11221, Taiwan;
- Department of Biotechnology and Laboratory Science in Medicine, National Yang-Ming University, Taipei 11221, Taiwan
- Cancer Progression Center of Excellence, National Yang Ming Chiao Tung University, Taipei 11221, Taiwan
| | - Pak-Yue Chan
- School of Medicine, Taipei Medical University, Taipei 11031, Taiwan; (P.-Y.C.); (T.-Y.H.)
| | - Tai-Yuan Hsueh
- School of Medicine, Taipei Medical University, Taipei 11031, Taiwan; (P.-Y.C.); (T.-Y.H.)
| | - Tsai-Tsen Liao
- Graduate Institute of Medical Sciences, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan;
- Cell Physiology and Molecular Image Research Center, Wan Fang Hospital, Taipei Medical University, Taipei 11696, Taiwan
- Correspondence: ; Tel.: +886-2736-1661 (ext. 3435)
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30
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Lin F, Shao Y, Wu Y, Zhang Y. NIR Light-Propelled Janus-Based Nanoplatform for Cytosolic-Fueled microRNA Imaging. ACS APPLIED MATERIALS & INTERFACES 2021; 13:3713-3721. [PMID: 33430581 DOI: 10.1021/acsami.0c21071] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Various nanoplatforms have been developed to visualize intracellular microRNAs (miRNAs) because of their clinical significance in tumor progression and diagnosis. However, the diffusion-limited motion of the nanoplatforms penalizes the miRNA imaging efficiency in cells. Herein, we fabricated a near-infrared (NIR) light-propelled Janus-based nanoplatform to advance the imaging response. The Janus nanomotor covered with an Au half-shell was loaded by the endocytosis adjuvant of the MnO2 nanosheet for delivering a miRNA-responsive hQN (hairpin DNA quadrangular nanostructure) probe with a catalyzed hairpin assembly (CHA). Once the nanoplatform entered into cells, the MnO2 nanosheet was degraded to Mn2+ by endogenous fuels (such as glutathione) to release the hQN probe. The NIR light irradiation of the nanoplatform generated a heat gradient and thus propelled motion of the nanoplatform. This process accelerated the intracellular reaction of the hQN probe with miRNAs to trigger the cascade CHA amplification with an enhanced fluorescence readout.
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Affiliation(s)
- Fan Lin
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Yong Shao
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Institute of Physical Chemistry, College of Chemistry and Life Sciences, Zhejiang Normal University, Jinhua 321004, China
| | - Yingjie Wu
- Key Laboratory of Microsystems and Microstructures Manufacturing (Ministry of Education), State Laboratory of Robotics and System (HIT), Harbin Institute of Technology, Harbin 150080, China
| | - Yuanqing Zhang
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
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31
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Fathi Dizaji B. Strategies to target long non-coding RNAs in cancer treatment: progress and challenges. EGYPTIAN JOURNAL OF MEDICAL HUMAN GENETICS 2020. [DOI: 10.1186/s43042-020-00074-4] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Abstract
Background
Long non-coding RNAs are important regulators of gene expression and diverse biological processes. Their aberrant expression contributes to a verity of diseases including cancer development and progression, providing them with great potential to be diagnostic and prognostic biomarkers and therapeutic targets. Therefore, they can have a key role in personalized cancer medicine.
This review aims at introducing possible strategies to target long ncRNAs therapeutically in cancer. Also, chemical modification of nucleic acid-based therapeutics to improve their pharmacological properties is explained. Then, approaches for the systematic delivery of reagents into the tumor cells or organs are briefly discussed, followed by describing obstacles to the expansion of the therapeutics.
Main text
Long ncRNAs function as oncogenes or tumor suppressors, whose activity can modulate all hallmarks of cancer. They are expressed in a very restricted spatial and temporal pattern and can be easily detected in the cells or biological fluids of patients. These properties make them excellent targets for the development of anticancer drugs. Targeting methods aim to attenuate oncogenic lncRNAs or interfere with lncRNA functions to prevent carcinogenesis. Numerous strategies including suppression of oncogenic long ncRNAs, alternation of their epigenetic effects, interfering with their function, restoration of downregulated or lost long ncRNAs, and recruitment of long ncRNAs regulatory elements and expression patterns are recommended for targeting long ncRNAs therapeutically in cancer. These approaches have shown inhibitory effects on malignancy. In this regard, proliferation, migration, and invasion of tumor cells have been inhibited and apoptosis has been induced in different cancer cells in vitro and in vivo. Downregulation of oncogenic long ncRNAs and upregulation of some growth factors (e.g., neurotrophic factor) have been achieved.
Conclusions
Targeting long non-coding RNAs therapeutically in cancer and efficient and safe delivery of the reagents have been rarely addressed. Only one clinical trial involving lncRNAs has been reported. Among different technologies, RNAi is the most commonly used and effective tool to target lncRNAs. However, other technologies need to be examined and further research is essential to put lncRNAs into clinical practice.
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Kilav-Levin R, Hassan A, Nechama M, Shilo V, Silver J, Ben-Dov IZ, Naveh-Many T. Post-transcriptional mechanisms regulating parathyroid hormone gene expression in secondary hyperparathyroidism. FEBS J 2020; 287:2903-2913. [PMID: 32191397 DOI: 10.1111/febs.15300] [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: 09/02/2019] [Revised: 12/10/2019] [Accepted: 03/17/2020] [Indexed: 12/11/2022]
Abstract
Parathyroid hormone (PTH) regulates serum calcium levels and bone strength. Secondary hyperparathyroidism (SHP) is a common complication of chronic kidney disease (CKD) that correlates with morbidity and mortality. In experimental SHP, the increased PTH gene expression is due to increased PTH mRNA stability and is mediated by protein-PTH mRNA interactions. Adenosine-uridine-rich binding factor 1 (AUF1) stabilizes and K-homology splicing regulatory protein (KSRP) destabilizes PTH mRNA. The peptidyl-prolyl cis/trans isomerase Pin1 acts on target proteins, including mRNA-binding proteins. Pin1 leads to KSRP dephosphorylation, but in SHP, parathyroid Pin1 activity is decreased and phosphorylated KSRP fails to bind PTH mRNA, leading to increased PTH mRNA stability and levels. A further level of post-transcriptional regulation occurs through microRNA (miRNA). Dicer mediates the final step of miRNA maturation. Parathyroid-specific Dicer knockout mice that lack miRNAs in the parathyroid develop normally. Surprisingly, these mice fail to increase serum PTH in response to both hypocalcemia and CKD, indicating that parathyroid Dicer and miRNAs are essential for stimulation of the parathyroid. Human and rodent parathyroids share similar miRNA profiles that are altered in hyperparathyroidism. The evolutionary conservation of abundant miRNAs and their regulation in hyperparathyroidism indicate their significance in parathyroid physiology and pathophysiology. let-7 and miR-148 antagonism modifies PTH secretion in vivo and in vitro, suggesting roles for specific miRNAs in parathyroid function. This review summarizes the current knowledge on the post-transcriptional mechanisms of PTH gene expression in SHP and the central contribution of miRNAs to the high serum PTH levels of both primary hyperparathyroidism and SHP.
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Affiliation(s)
- Rachel Kilav-Levin
- Minerva Center for Bone and Mineral Research, Nephrology Services, Hadassah - Hebrew University Medical Center, Jerusalem, Israel.,Nursing, Jerusalem College of Technology, Israel
| | - Alia Hassan
- Minerva Center for Bone and Mineral Research, Nephrology Services, Hadassah - Hebrew University Medical Center, Jerusalem, Israel
| | - Morris Nechama
- Minerva Center for Bone and Mineral Research, Nephrology Services, Hadassah - Hebrew University Medical Center, Jerusalem, Israel.,Pediatric Nephrology, Hadassah - Hebrew University Medical Center, Jerusalem, Israel.,The Wohl Institute for Translational Medicine, Hadassah - Hebrew University Medical Center, Jerusalem, Israel
| | - Vitali Shilo
- Minerva Center for Bone and Mineral Research, Nephrology Services, Hadassah - Hebrew University Medical Center, Jerusalem, Israel
| | - Justin Silver
- Minerva Center for Bone and Mineral Research, Nephrology Services, Hadassah - Hebrew University Medical Center, Jerusalem, Israel
| | - Iddo Z Ben-Dov
- Laboratory of Medical Transcriptomics, Nephrology Services, Hadassah - Hebrew University Medical Center, Jerusalem, Israel
| | - Tally Naveh-Many
- Minerva Center for Bone and Mineral Research, Nephrology Services, Hadassah - Hebrew University Medical Center, Jerusalem, Israel.,The Wohl Institute for Translational Medicine, Hadassah - Hebrew University Medical Center, Jerusalem, Israel
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33
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Bartoszewski R, Sikorski AF. Editorial focus: understanding off-target effects as the key to successful RNAi therapy. Cell Mol Biol Lett 2019; 24:69. [PMID: 31867046 PMCID: PMC6902517 DOI: 10.1186/s11658-019-0196-3] [Citation(s) in RCA: 73] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2019] [Accepted: 12/03/2019] [Indexed: 12/21/2022] Open
Abstract
With the first RNA interference (RNAi) drug (ONPATTRO (patisiran)) on the market, we witness the RNAi therapy field reaching a critical turning point, when further improvements in drug candidate design and delivery pipelines should enable fast delivery of novel life changing treatments to patients. Nevertheless, ignoring parallel development of RNAi dedicated in vitro pharmacological profiling aiming to identify undesirable off-target activity may slow down or halt progress in the RNAi field. Since academic research is currently fueling the RNAi development pipeline with new therapeutic options, the objective of this article is to briefly summarize the basics of RNAi therapy, as well as to discuss how to translate basic research into better understanding of related drug candidate safety profiles early in the process.
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Affiliation(s)
- Rafal Bartoszewski
- Department of Biology and Pharmaceutical Botany, Medical University of Gdansk, Gdansk, Poland
| | - Aleksander F. Sikorski
- Department of Cytobiochemistry, Faculty of Biotechnology, University of Wroclaw, Wroclaw, Poland
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34
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Su J, Wu F, Xia H, Wu Y, Liu S. Accurate cancer cell identification and microRNA silencing induced therapy using tailored DNA tetrahedron nanostructures. Chem Sci 2019; 11:80-86. [PMID: 32110359 PMCID: PMC7012044 DOI: 10.1039/c9sc04823e] [Citation(s) in RCA: 71] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2019] [Accepted: 10/30/2019] [Indexed: 12/16/2022] Open
Abstract
Accurate cancer cell identification and efficient therapy are extremely desirable and challenging in clinics. Here, we reported the first example of DNA tetrahedron nanostructures (DTNSs) to real-time monitor and image three intracellular miRNAs based on the fluorescence "OFF" to "ON" mode, as well as to realize cancer therapy induced by miRNA silencing. DTNSs were self-assembled by seven customized single-stranded nucleic acid chains containing three recognition sequences for target miRNAs. In the three vertexes of DTNSs, fluorophores and quenchers were brought into close proximity, inducing fluorescence quenching. In the presence of target miRNAs, fluorophores and quenchers would be separated, resulting in fluorescence recovery. Owing to the unique tetrahedron-like spatial structure, DTNSs displayed improved resistance to enzymatic digestion and high cellular uptake efficiency, and exhibited the ability to simultaneously monitor three intracellular miRNAs. DTNSs not only effectively distinguished tumor cells from normal cells, but also identified cancer cell subtypes, which avoided false-positive signals and significantly improved the accuracy of cancer diagnosis. Moreover, the DTNSs could also act as an anti-cancer drug; antagomir-21 (one recognition sequence) was detached from DTNSs to silence endogenous miRNA-21 inside cells, which would suppress cancer cell migration and invasion, and finally induce cancer cell apoptosis; the result was demonstrated by experiments in vitro and in vivo. It is anticipated that the development of smart nanoplatforms will open a door for cancer diagnosis and treatment in clinical systems.
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Affiliation(s)
- Juan Su
- Jiangsu Engineering Laboratory of Smart Carbon-Rich Materials and Device , School of Chemistry and Chemical Engineering , Southeast University , Nanjing 211189 , China
| | - Fubing Wu
- Department of Pathology , School of Basic Medical Sciences , Department of Oncology , The Affiliated Sir Run Run Hospital , State Key Laboratory of Reproductive Medicine , Key Laboratory of Antibody Technique of National Health Commission , Nanjing Medical University , Nanjing 211166 , China
| | - Hongping Xia
- Department of Pathology , School of Basic Medical Sciences , Department of Oncology , The Affiliated Sir Run Run Hospital , State Key Laboratory of Reproductive Medicine , Key Laboratory of Antibody Technique of National Health Commission , Nanjing Medical University , Nanjing 211166 , China
| | - Yafeng Wu
- Jiangsu Engineering Laboratory of Smart Carbon-Rich Materials and Device , School of Chemistry and Chemical Engineering , Southeast University , Nanjing 211189 , China
| | - Songqin Liu
- Jiangsu Engineering Laboratory of Smart Carbon-Rich Materials and Device , School of Chemistry and Chemical Engineering , Southeast University , Nanjing 211189 , China
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35
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Duan FG, Wang MF, Cao YB, Dan Li, Li RZ, Fan XX, Khan I, Lai HL, Zhang YZ, Hsiao WWL, Yao XJ, Wu QB, Liu L, Tang YJ, Leung ELH. MicroRNA-421 confers paclitaxel resistance by binding to the KEAP1 3'UTR and predicts poor survival in non-small cell lung cancer. Cell Death Dis 2019; 10:821. [PMID: 31659154 PMCID: PMC6817891 DOI: 10.1038/s41419-019-2031-1] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2019] [Revised: 09/11/2019] [Accepted: 09/25/2019] [Indexed: 12/13/2022]
Abstract
MicroRNAs regulate post-transcriptional gene expression and play important roles in multiple cellular processes. In this study, we found that miR-421 suppresses kelch-like ECH-associated protein 1(KEAP1) expression by targeting its 3'-untranslated region (3'UTR). A Q-PCR assay demonstrated that miR-421 is overexpressed in non-small cell lung cancer (NSCLC), especially in A549 cells. Consistently, the level of miR-421 was higher in clinical blood samples from lung cancer patients than in those from normal healthy donors, suggesting that miR-421 is an important lung cancer biomarker. Interestingly, overexpression of miR-421 reduced the level of KEAP1 expression, which further promoted lung cancer cell migration and invasion, as well as inhibited cell apoptosis both in vivo and in vitro. Furthermore, knockdown of miR-421 expression with an antisense morpholino oligonucleotide (AMO) increased ROS levels and treatment sensitivity to paclitaxel in vitro and in vivo, indicating that high miR-421 expression may at least partly account for paclitaxel tolerance in lung cancer patients. To find the upstream regulator of miR-421, one of the candidates, β-catenin, was knocked out via the CRISPR/Cas9 method in A549 cells. Our data showed that inhibiting β-catenin reduced miR-421 levels in A549 cells. In addition, β-catenin upregulation enhanced miR-421 expression, indicating that β-catenin regulates the expression of miR-421 in lung cancer. Taken together, our findings reveal the critical role of miR-421 in paclitaxel drug resistance and its upstream and downstream regulatory mechanisms. Therefore, miR-421 may serve as a potential molecular therapeutic target in lung cancer, and AMOs may be a potential treatment strategy.
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Affiliation(s)
- Fu-Gang Duan
- State Key Laboratory of Quality Research in Chinese Medicine, Macau Institute For Applied Research in Medicine and Health, Macau University of Science and Technology, Macau, SAR, China
| | - Mei-Fang Wang
- Department of Respiratory and Critical Care, Taihe Hospital, Hubei University of Medicine, Shiyan, Hubei, China
| | - Ya-Bing Cao
- Department of Oncology, Kiang Wu Hospital, Macau, China
| | - Dan Li
- Department of Pathology, Taihe Hospital, Hubei University of Medicine, Shiyan, Hubei, China
| | - Run-Ze Li
- State Key Laboratory of Quality Research in Chinese Medicine, Macau Institute For Applied Research in Medicine and Health, Macau University of Science and Technology, Macau, SAR, China
| | - Xing-Xing Fan
- State Key Laboratory of Quality Research in Chinese Medicine, Macau Institute For Applied Research in Medicine and Health, Macau University of Science and Technology, Macau, SAR, China
| | - Imran Khan
- State Key Laboratory of Quality Research in Chinese Medicine, Macau Institute For Applied Research in Medicine and Health, Macau University of Science and Technology, Macau, SAR, China
| | - Huan-Ling Lai
- State Key Laboratory of Quality Research in Chinese Medicine, Macau Institute For Applied Research in Medicine and Health, Macau University of Science and Technology, Macau, SAR, China
| | - Yi-Zhong Zhang
- State Key Laboratory of Quality Research in Chinese Medicine, Macau Institute For Applied Research in Medicine and Health, Macau University of Science and Technology, Macau, SAR, China
| | - Wendy Wen-Luan Hsiao
- State Key Laboratory of Quality Research in Chinese Medicine, Macau Institute For Applied Research in Medicine and Health, Macau University of Science and Technology, Macau, SAR, China
| | - Xiao-Jun Yao
- State Key Laboratory of Quality Research in Chinese Medicine, Macau Institute For Applied Research in Medicine and Health, Macau University of Science and Technology, Macau, SAR, China
| | - Qi-Biao Wu
- State Key Laboratory of Quality Research in Chinese Medicine, Macau Institute For Applied Research in Medicine and Health, Macau University of Science and Technology, Macau, SAR, China
| | - Liang Liu
- State Key Laboratory of Quality Research in Chinese Medicine, Macau Institute For Applied Research in Medicine and Health, Macau University of Science and Technology, Macau, SAR, China.
| | - Yi-Jun Tang
- Department of Respiratory and Critical Care, Taihe Hospital, Hubei University of Medicine, Shiyan, Hubei, China.
| | - Elaine Lai-Han Leung
- State Key Laboratory of Quality Research in Chinese Medicine, Macau Institute For Applied Research in Medicine and Health, Macau University of Science and Technology, Macau, SAR, China. .,Department of Respiratory and Critical Care, Taihe Hospital, Hubei University of Medicine, Shiyan, Hubei, China. .,Zhuhai Hospital of Integrated Traditional Chinese and Western Medicine, Zhuhai, China.
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36
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Rawat M, Kadian K, Gupta Y, Kumar A, Chain PSG, Kovbasnjuk O, Kumar S, Parasher G. MicroRNA in Pancreatic Cancer: From Biology to Therapeutic Potential. Genes (Basel) 2019; 10:genes10100752. [PMID: 31557962 PMCID: PMC6827136 DOI: 10.3390/genes10100752] [Citation(s) in RCA: 53] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Revised: 09/19/2019] [Accepted: 09/20/2019] [Indexed: 12/20/2022] Open
Abstract
Pancreatic cancer is one of the most aggressive malignancies, accounting for more than 45,750 deaths annually in the U.S. alone. The aggressive nature and late diagnosis of pancreatic cancer, coupled with the limitations of existing chemotherapy, present the pressing need for the development of novel therapeutic strategies. Recent reports have demonstrated a critical role of microRNAs (miRNAs) in the initiation, progression, and metastasis of cancer. Furthermore, aberrant expressions of miRNAs have often been associated with the cause and consequence of pancreatic cancer, emphasizing the possible use of miRNAs in the effective management of pancreatic cancer patients. In this review, we provide a brief overview of miRNA biogenesis and its role in fundamental cellular process and miRNA studies in pancreatic cancer patients and animal models. Subsequent sections narrate the role of miRNA in, (i) cell cycle and proliferation; (ii) apoptosis; (iii) invasions and metastasis; and (iv) various cellular signaling pathways. We also describe the role of miRNA's in pancreatic cancer; (i) diagnosis; (ii) prognosis and (iii) therapeutic intervention. Conclusion section describes the gist of review with future directions.
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Affiliation(s)
- Manmeet Rawat
- Department of Internal Medicine, University of New Mexico School of Medicine, Albuquerque, NM 87131, USA.
| | - Kavita Kadian
- Department of Biotechnology, Kumaun University, Nainital, Uttarakhand 263001, India.
| | - Yash Gupta
- Department of Internal Medicine, Loyola University Medical Center, Chicago, IL 60153, USA.
| | - Anand Kumar
- Biosecurity and Public Health Group, Bioscience Division, Los Alamos National Laboratory, Los Alamos, NM 87545, USA.
| | - Patrick S G Chain
- Biosecurity and Public Health Group, Bioscience Division, Los Alamos National Laboratory, Los Alamos, NM 87545, USA.
| | - Olga Kovbasnjuk
- Department of Internal Medicine, University of New Mexico School of Medicine, Albuquerque, NM 87131, USA.
| | - Suneel Kumar
- Department of Biomedical Engineering, Rutgers, The State University of New Jersey, Piscataway, NJ 08854, USA.
| | - Gulshan Parasher
- Department of Internal Medicine, University of New Mexico School of Medicine, Albuquerque, NM 87131, USA.
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Vicentini C, Galuppini F, Corbo V, Fassan M. Current role of non-coding RNAs in the clinical setting. Noncoding RNA Res 2019; 4:82-85. [PMID: 31891017 PMCID: PMC6926199 DOI: 10.1016/j.ncrna.2019.09.001] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2019] [Revised: 09/04/2019] [Accepted: 09/11/2019] [Indexed: 12/22/2022] Open
Abstract
Non-coding RNAs (ncRNAs) have long been considered as "junk" material of the human genome until functional studies have exposed them as critical regulators of gene expression in both physiological and pathological conditions. Mounting evidences have also shown that ncRNAs may serve as diagnostic markers for several disorders, predictor for drugs response, and targets for new therapeutic approaches. In this mini-review, we discuss the state of the art of non-coding RNAs in drug development and their involvement in conventional treatments response.
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Affiliation(s)
| | | | - Vincenzo Corbo
- ARC-NET Research Centre, University of Verona, Verona, Italy
| | - Matteo Fassan
- Department of Medicine (DIMED), University of Padua, Padua, PD, Italy
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38
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Mukwaya A, Jensen L, Peebo B, Lagali N. MicroRNAs in the cornea: Role and implications for treatment of corneal neovascularization. Ocul Surf 2019; 17:400-411. [PMID: 30959113 DOI: 10.1016/j.jtos.2019.04.002] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2019] [Revised: 03/25/2019] [Accepted: 04/01/2019] [Indexed: 12/18/2022]
Abstract
With no safe and efficient approved therapy available for treating corneal neovascularization, the search for alternative and effective treatments is of great importance. Since the discovery of miRNAs as key regulators of gene expression, knowledge of their function in the eye has expanded continuously, facilitated by high throughput genomic tools such as microarrays and RNA sequencing. Recently, reports have emerged implicating miRNAs in pathological and developmental angiogenesis. This has led to the idea of targeting these regulatory molecules as a therapeutic approach for treating corneal neovascularization. With the growing volume of data generated from high throughput tools applied to study corneal neovascularization, we provide here a focused review of the known miRNAs related to corneal neovascularization, while presenting new experimental data and insights for future research and therapy development.
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Affiliation(s)
- Anthony Mukwaya
- Department of Ophthalmology, Institute for Clinical and Experimental Medicine, Faculty of Health Sciences, Linkoping University, Linköping, Sweden
| | - Lasse Jensen
- Department of Medical and Health Sciences, Division of Cardiovascular Medicine, Linköping University, Linköping, Sweden
| | - Beatrice Peebo
- Department of Ophthalmology, Institute for Clinical and Experimental Medicine, Faculty of Health Sciences, Linkoping University, Linköping, Sweden
| | - Neil Lagali
- Department of Ophthalmology, Institute for Clinical and Experimental Medicine, Faculty of Health Sciences, Linkoping University, Linköping, Sweden; Department of Ophthalmology, Sørlandet Hospital Arendal, Arendal, Norway.
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39
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Bhat SA, Majid S, Rehman MU. Scenario and future prospects of microRNAs in gastric cancer: A review. IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES 2019; 22:345-352. [PMID: 31168337 PMCID: PMC6535194 DOI: 10.22038/ijbms.2019.32399.7765] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/01/2018] [Accepted: 12/11/2018] [Indexed: 12/19/2022]
Abstract
Carcinoma of the stomach is one of the major prevalent and principal causes of cancer-related deaths worldwide. Current advancement in technology has improved the understanding of the pathogenesis and pathology of gastric cancers (GC). But, high mortality rates, unfavorable prognosis and lack of clinical predictive biomarkers provide an impetus to investigate novel early diagnostic/prognostic markers and therapeutic targets for GC, which are sufficiently sensitive to GC. Current biomedical investigations have explored several budding GC biomarker by utilizing serum proteins, natural oncogenic genes during improvement in molecular technologies as microarray, and RNA/DNA-Seq. Recently, small non-coding microRNAs (miRNAs) are becoming vital regulators in oncogenesis pathways and can act as handy clinical biomarkers. The newly introduced class of biomarkers is rising as new molecules for cancer diagnosis and prognosis. For better understanding of the gastric carcinogenesis, miRNAs may help to elucidate the mechanisms of tumor growth and can help to discover novel untimely potent markers for early detection of GC. Here in this review, we summarize the recent research studies supporting the utility of miRNAs as novel early diagnostic/prognostic tools and therapeutic targets. Thus, here we introduce potential future treatment strategies for gastrointestinal (GI) cancers, which indicate the practicality and clinical applications of miRNAs in GC.
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Affiliation(s)
- Showkat Ahmad Bhat
- Department of Biochemistry, Govt. Medical College, Srinagar Jammu & Kashmir, India
| | - Sabhiya Majid
- Department of Biochemistry, Govt. Medical College, Srinagar Jammu & Kashmir, India
| | - Muneeb U Rehman
- Department of Biochemistry, Govt. Medical College, Srinagar Jammu & Kashmir, India
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40
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Abstract
Small silencing RNAs have provided powerful reverse genetics tools and have opened new areas of research. This introduction describes the use of RNAi to suppress expression of individual genes for loss-of-function analysis. It also summarizes methods for measuring specific and global changes in small RNA expression, as well as methods to inhibit the function of individual endogenous small RNA species such as miRNAs.
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41
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Hande M, Saher O, Lundin KE, Smith CIE, Zain R, Lönnberg T. Oligonucleotide⁻Palladacycle Conjugates as Splice-Correcting Agents. Molecules 2019; 24:E1180. [PMID: 30917503 PMCID: PMC6470670 DOI: 10.3390/molecules24061180] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Revised: 03/14/2019] [Accepted: 03/25/2019] [Indexed: 12/15/2022] Open
Abstract
2'-O-Methylribo phosphorothioate oligonucleotides incorporating cyclopalladated benzylamine conjugate groups at their 5'-termini have been prepared and their ability to hybridize with a designated target sequence was assessed by conventional UV melting experiments. The oligonucleotides were further examined in splice-switching experiments in human cervical cancer (HeLa Luc/705), human liver (HuH7_705), and human osteosarcoma (U-2 OS_705) reporter cell lines. Melting temperatures of duplexes formed by the modified oligonucleotides were approximately 5 °C lower than melting temperatures of the respective unmodified duplexes. The cyclopalladated oligonucleotides functioned as splice-correcting agents in the HeLa Luc/705 cell line somewhat more efficiently than their unmodified counterparts. Furthermore, the introduction of this chemical modification did not induce toxicity in cells. These results demonstrate the feasibility of using covalently metalated oligonucleotides as therapeutic agents.
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Affiliation(s)
- Madhuri Hande
- Department of Chemistry, University of Turku, Vatselankatu 2, FIN-20014 Turku, Finland.
- Department of Laboratory Medicine, Clinical Research Center, Karolinska Institutet, Karolinska University Hospital Huddinge, SE-141 86 Huddinge, Sweden.
| | - Osama Saher
- Department of Laboratory Medicine, Clinical Research Center, Karolinska Institutet, Karolinska University Hospital Huddinge, SE-141 86 Huddinge, Sweden.
- Department of Pharmaceutics and Industrial Pharmacy, Cairo University, Cairo 11562, Egypt.
| | - Karin E Lundin
- Department of Laboratory Medicine, Clinical Research Center, Karolinska Institutet, Karolinska University Hospital Huddinge, SE-141 86 Huddinge, Sweden.
| | - C I Edvard Smith
- Department of Laboratory Medicine, Clinical Research Center, Karolinska Institutet, Karolinska University Hospital Huddinge, SE-141 86 Huddinge, Sweden.
| | - Rula Zain
- Department of Laboratory Medicine, Clinical Research Center, Karolinska Institutet, Karolinska University Hospital Huddinge, SE-141 86 Huddinge, Sweden.
- Department of Clinical Genetics, Centre for Rare Diseases, Karolinska University Hospital, SE-171 76 Stockholm, Sweden.
| | - Tuomas Lönnberg
- Department of Chemistry, University of Turku, Vatselankatu 2, FIN-20014 Turku, Finland.
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42
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Mollaei H, Safaralizadeh R, Rostami Z. MicroRNA replacement therapy in cancer. J Cell Physiol 2019; 234:12369-12384. [PMID: 30605237 DOI: 10.1002/jcp.28058] [Citation(s) in RCA: 161] [Impact Index Per Article: 32.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2018] [Accepted: 12/17/2018] [Indexed: 12/13/2022]
Abstract
Despite the recent progress in cancer management approaches, the mortality rate of cancer is still growing and there are lots of challenges in the clinics in terms of novel therapeutics. MicroRNAs (miRNA) are regulatory small noncoding RNAs and are already confirmed to have a great role in regulating gene expression level by targeting multiple molecules that affect cell physiology and disease development. Recently, miRNAs have been introduced as promising therapeutic targets for cancer treatment. Regulatory potential of tumor suppressor miRNAs, which enables regulation of entire signaling networks within the cells, makes them an interesting option for developing cancer therapeutics. In this regard, over recent decades, scientists have aimed at developing powerful and safe targeting approaches to restore these suppressive miRNAs in cancerous cells. The present review summarizes the function of miRNAs in tumor development and presents recent findings on how miRNAs have served as therapeutic agents against cancer, with a special focus on tumor suppressor miRNAs (mimics). Moreover, the latest investigations on the therapeutic strategies of miRNA delivery have been presented.
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Affiliation(s)
- Homa Mollaei
- Department of Biology, Faculty of Sciences, University of Birjand, Birjand, Iran
| | - Reza Safaralizadeh
- Department of Animal Biology, Faculty of Natural Sciences, University of Tabriz, Tabriz, Iran
| | - Zeinab Rostami
- Department of Immunology, Birjand University of Medical Sciences, Birjand, Iran
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43
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Abstract
RNA interference (RNAi) is the biological process of mRNA degradation induced by complementary sequences double-stranded (ds) small interfering RNAs (siRNA) and suppression of target gene expression. Exogenous siRNAs (perfectly paired dsRNAs of ∼21–25 nt in length) play an important role in host defense against RNA viruses and in transcriptional and post-transcriptional gene regulation in plants and other eukaryotes. Using RNAi technology by transfecting synthetic siRNAs into eukaryotic cells to silence genes has become an indispensable tool to investigate gene functions, and siRNA-based therapy is being developed to knockdown genes implicated in diseases. Other examples of RNAi technology include method of producing highly potent and purified siRNAs directly from Escherichiacoli cells, based on an unexpected discovery that ectopic expression of p19, a plant viral siRNA-binding protein, stabilizes a cryptic siRNA-like RNA species in bacteria. Those siRNAs, named as pro-siRNA for “prokaryotic siRNA”, are bacterial RNase III products that have chemical and functional properties that like eukaryotic siRNAs.
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44
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MicroRNAs in pancreatic cancer diagnosis and therapy. Cent Eur J Immunol 2018; 43:314-324. [PMID: 30588176 PMCID: PMC6305615 DOI: 10.5114/ceji.2018.80051] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2017] [Accepted: 01/08/2018] [Indexed: 12/15/2022] Open
Abstract
Pancreatic cancer remains a disease with very poor prognosis (only 5-6% of patients are still alive after five years). Attempts to improve the results of treatment of pancreatic cancer focus on a better understanding of the pathogenesis, and non-invasive diagnostic methods (genetic testing from peripheral blood), which would create the possibility of early diagnosis and early surgical treatment before the onset of metastasis. New hopes for the improvement of early diagnosis and treatment of pancreatic ductal adenocarcinoma (PDAC) are associated with genetic testing of microRNA expression changes. A large body of evidence has revealed that microRNAs are aberrantly expressed in the serum and in cancer tissues and elicit oncogenic or tumour-suppressive functions. Selected microRNAs can distinguish pancreatic ductal adenocarcinoma from non-cancerous lesions of the pancreas. This review focuses on the involvement of microRNAs in the early diagnosis of pancreatic cancer. Research results related to the development of a novel therapeutic strategy based on the modulation of microRNA expressions for a better outcome in patients with pancreatic cancer are also presented.
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45
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Li F, Tan W, Chen H, Zhou J, Xu M, Yuan G. Up- and downregulation of mature miR-1587 function by modulating its G-quadruplex structure and using small molecules. Int J Biol Macromol 2018; 121:127-134. [PMID: 30290263 DOI: 10.1016/j.ijbiomac.2018.10.017] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2018] [Revised: 10/02/2018] [Accepted: 10/02/2018] [Indexed: 12/13/2022]
Abstract
Using bioinformatics analysis, we found some mature human miRNAs containing G-rich sequences with four G-tracts that had a high probability of forming G-quadruplex structures. Here, we chose G-rich miR-1587 as a model to characterize the function and regulation of miRNAs. Using electrospray ionization mass spectrometry, magnetic resonance imaging, circular dichroism spectrometry, we had confirmed that miR-1587 folded into a stable parallel G-quadruplex structure. By microarray, Q-RT-PCR and 3'UTR luciferase assay, TAGLN, an early marker of smooth muscle differentiation and tumor suppressor, was identified as a target gene of miR-1587, thus providing a direct target to study miR-1587 functions. We identified three aspects of miR-1587 regulation: 1) KCl induced miR-1587 G-quadruplex formation, reducing the interaction between miR-1587 and the target gene, and inhibiting miR-1587 function; 2) pseudopalmatine ligand further inhibited miR-1587 binding to TAGLN mRNA, which disrupted its function and increased the TAGLN expression; 3) the addition of TMPyP4 ligand interfered G-quadruplex formation, and significantly enhanced miR-1587 regulation of TAGLN expression. This study has revealed the possibility of using the G-quadruplex structure as a strategy to regulate miR-1587 function, showing potential for the development of up- and downregulation of mature G-rich microRNA function by modulating its G-quadruplex and using small molecules.
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Affiliation(s)
- Fangyuan Li
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, Department of Chemical Biology, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
| | - Wei Tan
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, Department of Chemical Biology, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
| | - Han Chen
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, Department of Chemical Biology, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
| | - Jiang Zhou
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, Department of Chemical Biology, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China.
| | - Ming Xu
- Institute of Vascular Medicine, Department of Cardiology, Peking University Third Hospital, Key Laboratory of Molecular Cardiovascular Sciences of Ministry of Education, Key Laboratory of Cardiovascular Molecular Biology and Regulatory Peptides, Ministry of Health Beijing, 100191, China
| | - Gu Yuan
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, Department of Chemical Biology, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China.
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46
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Piotto C, Julier Z, Martino MM. Immune Regulation of Tissue Repair and Regeneration via miRNAs-New Therapeutic Target. Front Bioeng Biotechnol 2018; 6:98. [PMID: 30057898 PMCID: PMC6053520 DOI: 10.3389/fbioe.2018.00098] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2018] [Accepted: 06/26/2018] [Indexed: 12/13/2022] Open
Abstract
The importance of immunity in tissue repair and regeneration is now evident. Thus, promoting tissue healing through immune modulation is a growing and promising field. Targeting microRNAs (miRNAs) is an appealing option since they regulate immunity through post-transcriptional gene fine-tuning in immune cells. Indeed, miRNAs are involved in inflammation as well as in its resolution by controlling immune cell phenotypes and functions. In this review, we first discuss the immunoregulatory role of miRNAs during the restoration of tissue homeostasis after injury, focusing mainly on neutrophils, macrophages and T lymphocytes. As tissue examples, we present the immunoregulatory function of miRNAs during the repair and regeneration of the heart, skeletal muscles, skin and liver. Secondly, we discuss recent technological advances for designing therapeutic strategies which target miRNAs. Specifically, we highlight the possible use of miRNAs and anti-miRNAs for promoting tissue regeneration via modulation of the immune system.
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Affiliation(s)
- Celeste Piotto
- European Molecular Biology Laboratory Australia, Australian Regenerative Medicine Institute, Monash University, Melbourne, VIC, Australia
| | - Ziad Julier
- European Molecular Biology Laboratory Australia, Australian Regenerative Medicine Institute, Monash University, Melbourne, VIC, Australia
| | - Mikaël M Martino
- European Molecular Biology Laboratory Australia, Australian Regenerative Medicine Institute, Monash University, Melbourne, VIC, Australia
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47
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Abstract
Polyglutamine diseases are hereditary degenerative disorders of the nervous system that have remained, to this date, untreatable. Promisingly, investigation into their molecular etiology and the development of increasingly perfected tools have contributed to the design of novel strategies with therapeutic potential. Encouraging studies have explored gene therapy as a means to counteract cell demise and loss in this context. The current chapter addresses the two main focuses of research in the area: the characteristics of the systems used to deliver nucleic acids to cells and the molecular and cellular actions of the therapeutic agents. Vectors used in gene therapy have to satisfyingly reach the tissues and cell types of interest, while eliciting the lowest toxicity possible. Both viral and non-viral systems have been developed for the delivery of nucleic acids to the central nervous system, each with its respective advantages and shortcomings. Since each polyglutamine disease is caused by mutation of a single gene, many gene therapy strategies have tried to halt degeneration by silencing the corresponding protein products, usually recurring to RNA interference. The potential of small interfering RNAs, short hairpin RNAs and microRNAs has been investigated. Overexpression of protective genes has also been evaluated as a means of decreasing mutant protein toxicity and operate beneficial alterations. Recent gene editing tools promise yet other ways of interfering with the disease-causing genes, at the most upstream points possible. Results obtained in both cell and animal models encourage further delving into this type of therapeutic strategies and support the future use of gene therapy in the treatment of polyglutamine diseases.
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48
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Kent OA, Steenbergen C, Das S. In Vivo Nanovector Delivery of a Heart-specific MicroRNA-sponge. J Vis Exp 2018. [PMID: 29985373 DOI: 10.3791/57845] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
MicroRNA (miRNA) is small non-coding RNA which inhibits post-transcriptional messenger RNA (mRNA) expression. Human diseases, such as cancer and cardiovascular disease, have been shown to activate tissue and/or cell-specific miRNA expression associated with disease progression. The inhibition of miRNA expression offers the potential for a therapeutic intervention. However, traditional approaches to inhibit miRNAs, employing antagomir oligonucleotides, affect specific miRNA functions upon global delivery. Herein, we present a protocol for the in vivo cardio-specific inhibition of the miR-181 family in a rat model. A miRNA-sponge construct is designed to include 10 repeated anti-miR-181 binding sequences. The cardio-specific α-MHC promoter is cloned into the pEGFP backbone to drive the cardio-specific miR-181 miRNA-sponge expression. To create a stable cell line expressing the miR-181-sponge, myoblast H9c2 cells are transfected with the α-MHC-EGFP-miR-181-sponge construct and sorted by fluorescence-activated cell sorting (FACs) into GFP positive H9c2 cells which are cultured with neomycin (G418). Following stable growth in neomycin, monoclonal cell populations are established by additional FACs and single cell cloning. The resulting myoblast H9c2-miR-181-sponge-GFP cells exhibit a loss of function of miR-181 family members as assessed through the increased expression of miR-181 target proteins and compared to H9c2 cells expressing a scramble non-functional sponge. In addition, we develop a nanovector for the systemic delivery of the miR-181-sponge construct by complexing positively charged liposomal nanoparticles and negatively charged miR-181-sponge plasmids. In vivo imaging of GFP reveals that multiple tail vein injections of a nanovector over a three-week period are able to promote a significant expression of the miR-181-sponge in a cardio-specific manner. Importantly, a loss of miR-181 function is observed in the heart tissue but not in the kidney or the liver. The miRNA-sponge is a powerful method to inhibit tissue-specific miRNA expression. Driving the miRNA-sponge expression from a tissue-specific promoter provides specificity for the miRNA inhibition, which can be confined to a targeted organ or tissue. Furthermore, combining nanovector and miRNA-sponge technologies permits an effective delivery and tissue-specific miRNA inhibition in vivo.
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Affiliation(s)
- Oliver A Kent
- Princess Margaret Cancer Centre, University of Toronto
| | | | - Samarjit Das
- Department of Pathology, Department of Cardiology, Johns Hopkins University;
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49
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Yin Z, Yang J, Ning R, Liu Y, Feng M, Gu C, Fei J, Li Y. Signal pathways, diseases, and functions associated with the miR-19a/92a cluster and the use of berberine to modulate the expression of this cluster in multiple myeloma cells. J Biochem Mol Toxicol 2018; 32:e22057. [PMID: 29687521 DOI: 10.1002/jbt.22057] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2017] [Revised: 03/27/2018] [Accepted: 04/02/2018] [Indexed: 12/24/2022]
Abstract
BACKGROUND Berberine downregulated miR-19a/92a cluster expression in multiple myeloma (MM) cells. METHODS The cell viability of MM cells after berberine treatment was measured by CCK8 assay. qRT-PCR assay validated miR-19a/92a expression in multiple myeloma cells. TAM database analyzed miR-19a/92a-associated disease. miREnvironment database revealed that effects of environmental factors on the miR-19a/92a cluster. By targeting the seed region in the miRNA, the role of t-anti-miR-19a/92a cluster was evaluated by cell proliferation, migration, and colony formation. RESULTS Berberine inhibited the cell viability of MM cells and downregulated the expression of miR-19a/92a. Seven kinds of hematological malignancies are closely associated with miR-19a/92a expression. By targeting the seed region of the miRNA, t-anti-miR-19a/92a significantly inhibits multiple myeloma cell proliferation, migration, and colony formation. CONCLUSION Our findings may exhibit that miR-19a/92a cluster is a therapeutic target for MM and provide new mechanistic insight into the anti-MM effects of certain compounds in traditional Chinese herbal medicines.
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Affiliation(s)
- Zhao Yin
- Department of Biochemistry and Molecular Biology, Medical College of Jinan University, 601 Western Huangpu Avenue, 510632, Guangzhou, China.,Engineering Technology Research Center of drug development for small nucleic acid, Guangdong, China.,Institute of Chinese Integrative Medicine, Medical College of Jinan University, Guangzhou 510632, China.,Antisense Biopharmaceutical technology co., Ltd., Guangzhou, China
| | - Juhua Yang
- Department of Biochemistry and Molecular Biology, Medical College of Jinan University, 601 Western Huangpu Avenue, 510632, Guangzhou, China.,Engineering Technology Research Center of drug development for small nucleic acid, Guangdong, China
| | - Rong Ning
- Department of Clinical Medicine, Medical College of Jinan University, Guangzhou 510632, China
| | - Yanjun Liu
- Department of Biochemistry and Molecular Biology, Medical College of Jinan University, 601 Western Huangpu Avenue, 510632, Guangzhou, China
| | - Maoxiao Feng
- Department of Biochemistry and Molecular Biology, Medical College of Jinan University, 601 Western Huangpu Avenue, 510632, Guangzhou, China
| | - Chunmin Gu
- Department of Biochemistry and Molecular Biology, Medical College of Jinan University, 601 Western Huangpu Avenue, 510632, Guangzhou, China.,Engineering Technology Research Center of drug development for small nucleic acid, Guangdong, China.,Institute of Chinese Integrative Medicine, Medical College of Jinan University, Guangzhou 510632, China
| | - Jia Fei
- Department of Biochemistry and Molecular Biology, Medical College of Jinan University, 601 Western Huangpu Avenue, 510632, Guangzhou, China.,Engineering Technology Research Center of drug development for small nucleic acid, Guangdong, China.,Institute of Chinese Integrative Medicine, Medical College of Jinan University, Guangzhou 510632, China.,Department of Clinical Medicine, Medical College of Jinan University, Guangzhou 510632, China
| | - Yumin Li
- Antisense Biopharmaceutical technology co., Ltd., Guangzhou, China.,Medical Laboratory of Shen zhen Luohu People's Hospital
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50
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Lima JF, Cerqueira L, Figueiredo C, Oliveira C, Azevedo NF. Anti-miRNA oligonucleotides: A comprehensive guide for design. RNA Biol 2018; 15:338-352. [PMID: 29570036 DOI: 10.1080/15476286.2018.1445959] [Citation(s) in RCA: 155] [Impact Index Per Article: 25.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
MicroRNAs (miRNAs) are small, non-coding RNA molecules that regulate gene expression post-transcriptionally. As a consequence of their function towards mRNA, miRNAs are widely associated with the pathogenesis of several human diseases, making miRNAs a target for new therapeutic strategies based on the control of their expression. Indeed, numerous works were published in the past decades showing the potential use of antisense oligonucleotides to target aberrant miRNAs (AMOs) involved in several human pathologies. New classes of chemical-modified-AMOs, including locked nucleic acid oligonucleotides, have recently proved their worth in silencing miRNAs. A correct design of a specific AMOs can help to improve their performance and potency towards the target miRNA by increasing for instance nuclease resistance and target affinity. This review outlines the technologies involved to suppress aberrant miRNAs. From the design strategies used in AMOs to its application in novel miRNA-based therapeutics and detection methodologies.
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Affiliation(s)
- Joana Filipa Lima
- a LEPABE - Laboratory for Process Engineering, Environment, Biotechnology and Energy, Department of Chemical Engineering , Faculty of Engineering of the University of Porto , R. Dr. Roberto Frias, Porto , Portugal.,b Biomode 2, S. A., INL - Avda. Mestre José Veiga s/n, Braga , Portugal.,c i3S, Instituto de Investigação e Inovação em Saúde, Universidade do Porto , R. Alfredo Allen, Porto , Portugal.,d IPATIMUP, Institute of Molecular Pathology and Immunology of the University of Porto , Rua Júlio Amaral de Carvalho, 45, Porto , Portugal
| | - Laura Cerqueira
- a LEPABE - Laboratory for Process Engineering, Environment, Biotechnology and Energy, Department of Chemical Engineering , Faculty of Engineering of the University of Porto , R. Dr. Roberto Frias, Porto , Portugal.,b Biomode 2, S. A., INL - Avda. Mestre José Veiga s/n, Braga , Portugal
| | - Ceu Figueiredo
- c i3S, Instituto de Investigação e Inovação em Saúde, Universidade do Porto , R. Alfredo Allen, Porto , Portugal.,d IPATIMUP, Institute of Molecular Pathology and Immunology of the University of Porto , Rua Júlio Amaral de Carvalho, 45, Porto , Portugal.,e FMUP, Faculty of Medicine of the University of Porto , Al. Prof. Hernâni Monteiro, Porto , Portugal
| | - Carla Oliveira
- c i3S, Instituto de Investigação e Inovação em Saúde, Universidade do Porto , R. Alfredo Allen, Porto , Portugal.,d IPATIMUP, Institute of Molecular Pathology and Immunology of the University of Porto , Rua Júlio Amaral de Carvalho, 45, Porto , Portugal.,e FMUP, Faculty of Medicine of the University of Porto , Al. Prof. Hernâni Monteiro, Porto , Portugal
| | - Nuno Filipe Azevedo
- a LEPABE - Laboratory for Process Engineering, Environment, Biotechnology and Energy, Department of Chemical Engineering , Faculty of Engineering of the University of Porto , R. Dr. Roberto Frias, Porto , Portugal
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