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Sumaira S, Vijayarathna S, Hemagirri M, Adnan M, Hassan MI, Patel M, Gupta R, Shanmugapriya, Chen Y, Gopinath SC, Kanwar JR, Sasidharan S. Plant bioactive compounds driven microRNAs (miRNAs): A potential source and novel strategy targeting gene and cancer therapeutics. Noncoding RNA Res 2024; 9:1140-1158. [PMID: 39022680 PMCID: PMC11250886 DOI: 10.1016/j.ncrna.2024.06.003] [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: 04/10/2023] [Revised: 05/21/2024] [Accepted: 06/03/2024] [Indexed: 07/20/2024] Open
Abstract
Irrespective of medical technology improvements, cancer ranks among the leading causes of mortality worldwide. Although numerous cures and treatments exist, creating alternative cancer therapies with fewer adverse side effects is vital. Since ancient times, plant bioactive compounds have already been used as a remedy to heal cancer. These plant bioactive compounds and their anticancer activity can also deregulate the microRNAs (miRNAs) in the cancerous cells. Therefore, the deregulation of miRNAs in cancer cells by plant bioactive compounds and the usage of the related miRNA could be a promising approach for cancer cure, mainly to prevent cancer and overcome chemotherapeutic side effect problems. Hence, this review highlights the function of plant bioactive compounds as an anticancer agent through the underlying mechanism that alters the miRNA expression in cancer cells, ultimately leading to apoptosis. Moreover, this review provides insight into using plant bioactive compounds -driven miRNAs as an anticancer agent to develop miRNA-based cancer gene therapy. They can be the potential resource for gene therapy and novel strategies targeting cancer therapeutics.
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Affiliation(s)
- Sahreen Sumaira
- Institute for Research in Molecular Medicine (INFORMM), Universiti Sains Malaysia, USM, 11800, Pulau Pinang, Malaysia
| | - Soundararajan Vijayarathna
- Institute for Research in Molecular Medicine (INFORMM), Universiti Sains Malaysia, USM, 11800, Pulau Pinang, Malaysia
| | - Manisekaran Hemagirri
- Institute for Research in Molecular Medicine (INFORMM), Universiti Sains Malaysia, USM, 11800, Pulau Pinang, Malaysia
| | - Mohd Adnan
- Department of Biology, College of Science, University of Hail, Hail, P.O. Box 2440, Saudi Arabia
| | - Md Imtaiyaz Hassan
- Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, Jamia Nagar, New Delhi, 110025, India
| | - Mitesh Patel
- Research and Development Cell and Department of Biotechnology, Parul Institute of Applied Sciences, Parul University, Vadodara, 391760, Gujarat, India
| | - Reena Gupta
- Institute of Pharmaceutical Research, Department. Pharmaceutical Research, GLA University, Mathura, India
| | - Shanmugapriya
- Institute for Research in Molecular Medicine (INFORMM), Universiti Sains Malaysia, USM, 11800, Pulau Pinang, Malaysia
| | - Yeng Chen
- Department of Oral & Craniofacial Sciences, Faculty of Dentistry, University of Malaya, 50603, Kuala Lumpur, Malaysia
| | - Subash C.B. Gopinath
- Faculty of Chemical Engineering Technology, Universiti Malaysia Perlis, Perlis, Malaysia
| | - Jagat R. Kanwar
- Department of Biochemistry, All India Institute of Medical Sciences (AIIMS), 174001, Bilaspur, Himachal Pradesh, India
| | - Sreenivasan Sasidharan
- Institute for Research in Molecular Medicine (INFORMM), Universiti Sains Malaysia, USM, 11800, Pulau Pinang, Malaysia
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Zhang W, Wang J, Shan C. The eEF1A protein in cancer: Clinical significance, oncogenic mechanisms, and targeted therapeutic strategies. Pharmacol Res 2024; 204:107195. [PMID: 38677532 DOI: 10.1016/j.phrs.2024.107195] [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: 02/28/2024] [Revised: 04/09/2024] [Accepted: 04/22/2024] [Indexed: 04/29/2024]
Abstract
Eukaryotic elongation factor 1A (eEF1A) is among the most abundant proteins in eukaryotic cells. Evolutionarily conserved across species, eEF1A is in charge of translation elongation for protein biosynthesis as well as a plethora of non-translational moonlighting functions for cellular homeostasis. In malignant cells, however, eEF1A becomes a pleiotropic driver of cancer progression via a broad diversity of pathways, which are not limited to hyperactive translational output. In the past decades, mounting studies have demonstrated the causal link between eEF1A and carcinogenesis, gaining deeper insights into its multifaceted mechanisms and corroborating its value as a prognostic marker in various cancers. On the other hand, an increasing number of natural and synthetic compounds were discovered as anticancer eEF1A-targeting inhibitors. Among them, plitidepsin was approved for the treatment of multiple myeloma whereas metarrestin was currently under clinical development. Despite significant achievements in these two interrelated fields, hitherto there lacks a systematic examination of the eEF1A protein in the context of cancer research. Therefore, the present work aims to delineate its clinical implications, molecular oncogenic mechanisms, and targeted therapeutic strategies as reflected in the ever expanding body of literature, so as to deepen mechanistic understanding of eEF1A-involved tumorigenesis and inspire the development of eEF1A-targeted chemotherapeutics and biologics.
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Affiliation(s)
- Weicheng Zhang
- The State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy, and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin, People's Republic of China.
| | - Jiyan Wang
- The State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy, and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin, People's Republic of China
| | - Changliang Shan
- The State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy, and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin, People's Republic of China.
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3
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Patel SA, Hassan MK, Dixit M. Oncogenic activation of EEF1A2 expression: a journey from a putative to an established oncogene. Cell Mol Biol Lett 2024; 29:6. [PMID: 38172654 PMCID: PMC10765684 DOI: 10.1186/s11658-023-00519-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Accepted: 12/01/2023] [Indexed: 01/05/2024] Open
Abstract
Protein synthesis via translation is a central process involving several essential proteins called translation factors. Although traditionally described as cellular "housekeepers," multiple studies have now supported that protein initiation and elongation factors regulate cell growth, apoptosis, and tumorigenesis. One such translation factor is eukaryotic elongation factor 1 alpha 2 (EEF1A2), a member of the eukaryotic elongation factor family, which has a canonical role in the delivery of aminoacyl-tRNA to the A-site of the ribosome in a guanosine 5'-triphosphate (GTP)-dependent manner. EEF1A2 differs from its closely related isoform, EEF1A1, in tissue distribution. While EEF1A1 is present ubiquitously, EEF1A2 replaces it in specialized tissues. The reason why certain specialized tissues need to essentially switch EEF1A1 expression altogether with EEF1A2 remains to be answered. Abnormal "switch on" of the EEF1A2 gene in normal tissues is witnessed and is seen as a cause of oncogenic transformation in a wide variety of solid tumors. This review presents the journey of finding increased expression of EEF1A2 in multiple cancers, establishing molecular mechanism, and exploring it as a target for cancer therapy. More precisely, we have compiled studies in seven types of cancers that have reported EEF1A2 overexpression. We have discussed the effect of aberrant EEF1A2 expression on the oncogenic properties of cells, signaling pathways, and interacting partners of EEF1A2. More importantly, in the last part, we have discussed the unique potential of EEF1A2 as a therapeutic target. This review article gives an up-to-date account of EEF1A2 as an oncogene and can draw the attention of the scientific community, attracting more research.
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Affiliation(s)
- Saket Awadhesbhai Patel
- School of Biological Sciences, National Institute of Science Education and Research, Room No. 204, P.O. Jatni, Khurda, Bhubaneswar, Odisha, 752050, India
- Homi Bhabha National Institute, Training School Complex, Anushaktinagar, Mumbai, 400094, India
| | - Md Khurshidul Hassan
- School of Biological Sciences, National Institute of Science Education and Research, Room No. 204, P.O. Jatni, Khurda, Bhubaneswar, Odisha, 752050, India
- Homi Bhabha National Institute, Training School Complex, Anushaktinagar, Mumbai, 400094, India
| | - Manjusha Dixit
- School of Biological Sciences, National Institute of Science Education and Research, Room No. 204, P.O. Jatni, Khurda, Bhubaneswar, Odisha, 752050, India.
- Homi Bhabha National Institute, Training School Complex, Anushaktinagar, Mumbai, 400094, India.
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4
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Tang KD, Amenábar JM, Schussel JL, Torres-Pereira CC, Bonfim C, Dimitrova N, Hartel G, Punyadeera C. Profiling salivary miRNA expression levels in Fanconi anemia patients - a pilot study. Odontology 2024; 112:299-308. [PMID: 37458838 PMCID: PMC10776736 DOI: 10.1007/s10266-023-00834-9] [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: 04/12/2022] [Accepted: 06/25/2023] [Indexed: 01/10/2024]
Abstract
The overarching goal of this study is to predict the risk of developing oral squamous cell carcinoma (OSCC) in Fanconi anemia (FA) patients. We have compared the microRNA (miRNA, miR) expression levels in saliva samples from FA patients (n = 50) who are at a low-moderate and/or high risk of developing OSCC to saliva samples from healthy controls (n = 16). The miRNA expression levels in saliva samples were quantified using qPCR. We observed that miR-744, miR-150-5P, and miR-146B-5P had the best discriminatory capacity between FA patients and controls, with an area under the curve (AUC) of 94.0%, 92.9% and 85.3%, respectively. Our data suggest that miR-1, miR-146B-5P, miR-150-5P, miR-155-5P, and miR-744 could be used as panel to predict the risk of developing OSCC in FA patients, with a 89.3% sensitivity and a 68.2% specificity (AUC = 81.5%). Our preliminary data support the notion that the expression levels of salivary miRNAs have the potential to predict the risk of developing OSCC in FA patients and in the future may reduce deaths associated with OSCC.
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Affiliation(s)
- Kai Dun Tang
- Faculty of Health, School of Biomedical Sciences, Centre for Biomedical Technology, Queensland University of Technology, Saliva & Liquid Biopsy Translational Laboratory and Translational Research Institute, Griffith University, 46 Don Yong Road, Nathan, Brisbane, QLD, Australia
| | - José M Amenábar
- Faculty of Health, School of Biomedical Sciences, Centre for Biomedical Technology, Queensland University of Technology, Saliva & Liquid Biopsy Translational Laboratory and Translational Research Institute, Griffith University, 46 Don Yong Road, Nathan, Brisbane, QLD, Australia
- Stomatology Department, Universidade Federal Do Paraná, Curitiba, Brazil
| | - Juliana L Schussel
- Stomatology Department, Universidade Federal Do Paraná, Curitiba, Brazil
| | | | - Carmem Bonfim
- Bone Marrow Transpantation Unit, Hospital de Clínicas, Universidade Federal Do Paraná, Curitiba, Brazil
| | | | - Gunter Hartel
- Statistics Unit, QIMR Berghofer Medical Research Institute, Brisbane, Australia
| | - Chamindie Punyadeera
- Faculty of Health, School of Biomedical Sciences, Centre for Biomedical Technology, Queensland University of Technology, Saliva & Liquid Biopsy Translational Laboratory and Translational Research Institute, Griffith University, 46 Don Yong Road, Nathan, Brisbane, QLD, Australia.
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5
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Rezakhani L, Salmani S, Eliyasi Dashtaki M, Ghasemi S. Resveratrol: Targeting Cancer Stem Cells and ncRNAs to Overcome Cancer Drug Resistance. Curr Mol Med 2024; 24:951-961. [PMID: 37592772 DOI: 10.2174/1566524023666230817102114] [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: 02/18/2023] [Revised: 06/07/2023] [Accepted: 06/09/2023] [Indexed: 08/19/2023]
Abstract
A major challenge in treating cancer is the development of drug resistance, which can result in treatment failure and tumor recurrence. Targeting cancer stem cells (CSCs) and non-coding RNAs (ncRNAs) with a polyphenolic substance called resveratrol has the ability to combat this problem by lowering cancer resistance to drugs and opening up new therapeutic options. Resveratrol alters the expression of genes related to self-renewal, modulating important signaling pathways involved in cancer initiation and CSC control. Additionally, resveratrol affects non-coding RNAs (ncRNAs), including Micro-RNAs (miRNAs) and long non-coding RNAs (lncRNAs which are essential for stemness, drug resistance, and other cancer-related activities. Numerous studies have shown that resveratrol has the potential to be an effective anticancer drug when used in combination therapy, but issues with absorption and pharmacokinetics still need to be resolved before it can be used in clinical applications. Reducing chemotherapy resistance by better understanding the intricate mechanisms by which resveratrol affects cancer cells and CSCs, as well as its impact on ncRNA expression, could eventually contribute to more effective cancer treatments. To completely understand these pathways and optimize the utilization of resveratrol in combination treatments, additional study is necessary.
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Affiliation(s)
- Leila Rezakhani
- Fertility and Infertility Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
- Department of Tissue Engineering, School of Medicine, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Sima Salmani
- Medical Plants Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Masoumeh Eliyasi Dashtaki
- Clinical Biochemistry Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Sorayya Ghasemi
- Medical Plants Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran
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6
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Negrutskii BS, Porubleva LV, Malinowska A, Novosylna OV, Dadlez M, Knudsen CR. Understanding functions of eEF1 translation elongation factors beyond translation. A proteomic approach. ADVANCES IN PROTEIN CHEMISTRY AND STRUCTURAL BIOLOGY 2023; 138:67-99. [PMID: 38220433 DOI: 10.1016/bs.apcsb.2023.10.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/16/2024]
Abstract
Mammalian translation elongation factors eEF1A1 and eEF1A2 are 92% homologous isoforms whose mutually exclusive tissue-specific expression is regulated during development. The isoforms have similar translation functionality, but show differences in spatial organization and participation in various processes, such as oncogenesis and virus reproduction. The differences may be due to their ability to interact with isoform-specific partner proteins. We used the identified sets of eEF1A1 or eEF1A2 partner proteins to identify cell complexes and/or processes specific to one particular isoform. As a result, we found isoform-specific interactions reflecting the involvement of different eEF1A isoforms in different cellular processes, including actin-related, chromatin-remodeling, ribonuclease H2, adenylyl cyclase, and Cul3-RING ubiquitin ligase complexes as well as initiation of mitochondrial transcription. An essential by-product of our analysis is the elucidation of a number of cellular processes beyond protein biosynthesis, where both isoforms appear to participate such as large ribosomal subunit biogenesis, mRNA splicing, DNA mismatch repair, 26S proteasome activity, P-body and exosomes formation, protein targeting to the membrane. This information suggests that a relatively high content of eEF1A in the cell may be necessary not only to maintain efficient translation, but also to ensure its participation in various cellular processes, where some roles of eEF1A have not yet been described. We believe that the data presented here will be useful for deciphering new auxiliary functions of eEF1A and its isoforms, and provide a new look at the known non-canonical functions of this main component of the human translation-elongation machinery.
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Affiliation(s)
- Boris S Negrutskii
- Institute of Molecular Biology and Genetics, Kyiv, Ukraine; Aarhus Institute of Advanced Sciences, Høegh-Guldbergs, Aarhus C, Denmark; Department of Molecular Biology and Genetics, Aarhus University, Universitetsbyen, Aarhus C, Denmark.
| | | | - Agata Malinowska
- Institute of Biochemistry and Biophysics, PAN, Pawinskiego, Warsaw, Poland
| | | | - Michal Dadlez
- Institute of Biochemistry and Biophysics, PAN, Pawinskiego, Warsaw, Poland
| | - Charlotte R Knudsen
- Department of Molecular Biology and Genetics, Aarhus University, Universitetsbyen, Aarhus C, Denmark
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7
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Venkat R, Verma E, Daimary UD, Kumar A, Girisa S, Dutta U, Ahn KS, Kunnumakkara AB. The Journey of Resveratrol from Vineyards to Clinics. Cancer Invest 2023; 41:183-220. [PMID: 35993769 DOI: 10.1080/07357907.2022.2115057] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
With rising technological advancements, several factors influence the lifestyle of people and stimulate chronic inflammation that severely affects the human body. Chronic inflammation leads to a broad range of physical and pathophysiological distress. For many years, non-steroidal drugs and corticosteroids were most frequently used in treating inflammation and related ailments. However, long-term usage of these drugs aggravates the conditions of chronic diseases and is presented with morbid side effects, especially in old age. Hence, the quest for safe and less toxic anti-inflammatory compounds of high therapeutic potential with least adverse side effects has shifted researchers' attention to ancient medicinal system. Resveratrol (RSV) - 3,4,5' trihydroxystilbene is one such naturally available polyphenolic stilbene derivative obtained from various plant sources. For over 2000 years, these plants have been used in Asian medicinal system for curing inflammation-associated disorders. There is a wealth of in vitro, in vivo and clinical evidence that shows RSV could induce anti-aging health benefits including, anti-cancer, anti-inflammatory, anti-oxidant, phytoesterogenic, and cardio protective properties. However, the issue of rapid elimination of RSV through the metabolic system and its low bio-availability is of paramount importance which is being studied extensively. Therefore, in this article, we scientifically reviewed the molecular targets, biological activities, beneficial and contradicting effects of RSV as evinced by clinical studies for the prevention and treatment of inflammation-mediated chronic disorders.
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Affiliation(s)
- Ramya Venkat
- Department of Biosciences and Bioengineering, Cancer Biology Laboratory, Indian Institute of Technology (IIT) Guwahati, Guwahati, India
| | - Elika Verma
- Department of Biosciences and Bioengineering, Cancer Biology Laboratory, Indian Institute of Technology (IIT) Guwahati, Guwahati, India
| | - Uzini Devi Daimary
- Department of Biosciences and Bioengineering, Cancer Biology Laboratory, Indian Institute of Technology (IIT) Guwahati, Guwahati, India
| | - Aviral Kumar
- Department of Biosciences and Bioengineering, Cancer Biology Laboratory, Indian Institute of Technology (IIT) Guwahati, Guwahati, India
| | - Sosmitha Girisa
- Department of Biosciences and Bioengineering, Cancer Biology Laboratory, Indian Institute of Technology (IIT) Guwahati, Guwahati, India
| | - Uma Dutta
- Department of Zoology, Cell and Molecular Biology Laboratory, Cotton University, Guwahati, India
| | - Kwang Seok Ahn
- Department of Science in Korean Medicine, Kyung Hee University, Seoul, Republic of Korea
| | - Ajaikumar B Kunnumakkara
- Department of Biosciences and Bioengineering, Cancer Biology Laboratory, Indian Institute of Technology (IIT) Guwahati, Guwahati, India
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8
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Negrutskii B, Shalak V, Novosylna O, Porubleva L, Lozhko D, El'skaya A. The eEF1 family of mammalian translation elongation factors. BBA ADVANCES 2022; 3:100067. [PMID: 37082266 PMCID: PMC10074971 DOI: 10.1016/j.bbadva.2022.100067] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Revised: 11/29/2022] [Accepted: 11/29/2022] [Indexed: 12/03/2022] Open
Abstract
The eEF1 family of mammalian translation elongation factors is comprised of the two variants of eEF1A (eEF1A1 and eEF1A2), and the eEF1B complex. The latter consists of eEF1Bα, eEF1Bβ, and eEF1Bγ subunits. The two eEF1A variants have similar translation activity but may differ with respect to their secondary, "moonlighting" functions. This variability is underlined by the difference in the spatial organization of eEF1A1 and eEF1A2, and also possibly by the differences in their post-translational modifications. Here, we review the data on the spatial organization and post-translation modifications of eEF1A1 and eEF1A2, and provide examples of their involvement in various processes in addition to translation. We also describe the structural models of eEF1B subunits, their organization in the subcomplexes, and the trimeric model of the entire eEF1B complex. We discuss the functional consequences of such an assembly into a complex as well as the involvement of individual subunits in non-translational processes.
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Affiliation(s)
- B.S. Negrutskii
- Institute of Molecular Biology and Genetics, Acad. Zabolotnogo Str. 150, 03143 Kyiv, Ukraine
- Aarhus Institute of Advanced Sciences, Høegh-Guldbergs Gade 6B, DK–8000 Aarhus C, Denmark
- Department of Molecular Biology and Genetics, Aarhus University, Universitetsbyen 81, DK-8000 Aarhus C, Denmark
| | - V.F. Shalak
- Institute of Molecular Biology and Genetics, Acad. Zabolotnogo Str. 150, 03143 Kyiv, Ukraine
| | - O.V. Novosylna
- Institute of Molecular Biology and Genetics, Acad. Zabolotnogo Str. 150, 03143 Kyiv, Ukraine
| | - L.V. Porubleva
- Institute of Molecular Biology and Genetics, Acad. Zabolotnogo Str. 150, 03143 Kyiv, Ukraine
| | - D.M. Lozhko
- Institute of Molecular Biology and Genetics, Acad. Zabolotnogo Str. 150, 03143 Kyiv, Ukraine
| | - A.V. El'skaya
- Institute of Molecular Biology and Genetics, Acad. Zabolotnogo Str. 150, 03143 Kyiv, Ukraine
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9
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Huang C, Zhao Q, Zhou X, Huang R, Duan Y, Haybaeck J, Yang Z. The progress of protein synthesis factors eIFs, eEFs and eRFs in inflammatory bowel disease and colorectal cancer pathogenesis. Front Oncol 2022; 12:898966. [DOI: 10.3389/fonc.2022.898966] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Accepted: 10/14/2022] [Indexed: 11/13/2022] Open
Abstract
Colorectal diseases are threatening human health, especially inflammatory bowel disease (IBD) and colorectal cancer (CRC). IBD is a group of chronic, recurrent and incurable disease, which may affect the entire gastrointestinal tract, increasing the risk of CRC. Eukaryotic gene expression is a complicated process, which is mainly regulated at the level of gene transcription and mRNA translation. Protein translation in tissue is associated with a sequence of steps, including initiation, elongation, termination and recycling. Abnormal regulation of gene expression is the key to the pathogenesis of CRC. In the early stages of cancer, it is vital to identify new diagnostic and therapeutic targets and biomarkers. This review presented current knowledge on aberrant expression of eIFs, eEFs and eRFs in colorectal diseases. The current findings of protein synthesis on colorectal pathogenesis showed that eIFs, eEFs and eRFs may be potential targets for CRC treatment.
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10
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MicroRNA-150 (miR-150) and Diabetic Retinopathy: Is miR-150 Only a Biomarker or Does It Contribute to Disease Progression? Int J Mol Sci 2022; 23:ijms232012099. [PMID: 36292956 PMCID: PMC9603433 DOI: 10.3390/ijms232012099] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 10/05/2022] [Accepted: 10/06/2022] [Indexed: 11/18/2022] Open
Abstract
Diabetic retinopathy (DR) is a chronic disease associated with diabetes mellitus and is a leading cause of visual impairment among the working population in the US. Clinically, DR has been diagnosed and treated as a vascular complication, but it adversely impacts both neural retina and retinal vasculature. Degeneration of retinal neurons and microvasculature manifests in the diabetic retina and early stages of DR. Retinal photoreceptors undergo apoptosis shortly after the onset of diabetes, which contributes to the retinal dysfunction and microvascular complications leading to vision impairment. Chronic inflammation is a hallmark of diabetes and a contributor to cell apoptosis, and retinal photoreceptors are a major source of intraocular inflammation that contributes to vascular abnormalities in diabetes. As the levels of microRNAs (miRs) are changed in the plasma and vitreous of diabetic patients, miRs have been suggested as biomarkers to determine the progression of diabetic ocular diseases, including DR. However, few miRs have been thoroughly investigated as contributors to the pathogenesis of DR. Among these miRs, miR-150 is downregulated in diabetic patients and is an endogenous suppressor of inflammation, apoptosis, and pathological angiogenesis. In this review, how miR-150 and its downstream targets contribute to diabetes-associated retinal degeneration and pathological angiogenesis in DR are discussed. Currently, there is no effective treatment to stop or reverse diabetes-caused neural and vascular degeneration in the retina. Understanding the molecular mechanism of the pathogenesis of DR may shed light for the future development of more effective treatments for DR and other diabetes-associated ocular diseases.
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Laufer BI, Hasegawa Y, Zhang Z, Hogrefe CE, Del Rosso LA, Haapanen L, Hwang H, Bauman MD, Van de Water J, Taha AY, Slupsky CM, Golub MS, Capitanio JP, VandeVoort CA, Walker CK, LaSalle JM. Multi-omic brain and behavioral correlates of cell-free fetal DNA methylation in macaque maternal obesity models. Nat Commun 2022; 13:5538. [PMID: 36130949 PMCID: PMC9492781 DOI: 10.1038/s41467-022-33162-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Accepted: 09/06/2022] [Indexed: 11/28/2022] Open
Abstract
Maternal obesity during pregnancy is associated with neurodevelopmental disorder (NDD) risk. We utilized integrative multi-omics to examine maternal obesity effects on offspring neurodevelopment in rhesus macaques by comparison to lean controls and two interventions. Differentially methylated regions (DMRs) from longitudinal maternal blood-derived cell-free fetal DNA (cffDNA) significantly overlapped with DMRs from infant brain. The DMRs were enriched for neurodevelopmental functions, methylation-sensitive developmental transcription factor motifs, and human NDD DMRs identified from brain and placenta. Brain and cffDNA methylation levels from a large region overlapping mir-663 correlated with maternal obesity, metabolic and immune markers, and infant behavior. A DUX4 hippocampal co-methylation network correlated with maternal obesity, infant behavior, infant hippocampal lipidomic and metabolomic profiles, and maternal blood measurements of DUX4 cffDNA methylation, cytokines, and metabolites. We conclude that in this model, maternal obesity was associated with changes in the infant brain and behavior, and these differences were detectable in pregnancy through integrative analyses of cffDNA methylation with immune and metabolic factors.
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Affiliation(s)
- Benjamin I Laufer
- Department of Medical Microbiology and Immunology, School of Medicine, University of California Davis, Davis, CA, 95616, USA
- UC Davis Genome Center, University of California, Davis, CA, 95616, USA
- MIND Institute, School of Medicine, University of California Davis, Sacramento, CA, 95817, USA
- Department of OMNI Bioinformatics, Genentech, Inc., South San Francisco, CA, 94080, USA
| | - Yu Hasegawa
- Department of Food Science and Technology, University of California Davis, Davis, CA, 95616, USA
| | - Zhichao Zhang
- Department of Food Science and Technology, University of California Davis, Davis, CA, 95616, USA
| | - Casey E Hogrefe
- California National Primate Research Center, University of California Davis, Davis, CA, 95616, USA
| | - Laura A Del Rosso
- California National Primate Research Center, University of California Davis, Davis, CA, 95616, USA
| | - Lori Haapanen
- MIND Institute, School of Medicine, University of California Davis, Sacramento, CA, 95817, USA
| | - Hyeyeon Hwang
- Department of Medical Microbiology and Immunology, School of Medicine, University of California Davis, Davis, CA, 95616, USA
- UC Davis Genome Center, University of California, Davis, CA, 95616, USA
- MIND Institute, School of Medicine, University of California Davis, Sacramento, CA, 95817, USA
| | - Melissa D Bauman
- MIND Institute, School of Medicine, University of California Davis, Sacramento, CA, 95817, USA
- California National Primate Research Center, University of California Davis, Davis, CA, 95616, USA
- Department of Psychiatry and Behavioral Sciences, School of Medicine, University of California Davis, Davis, CA, 95616, USA
- Perinatal Origins of Disparities Center, University of California Davis, Davis, CA, 95616, USA
| | - Judy Van de Water
- Perinatal Origins of Disparities Center, University of California Davis, Davis, CA, 95616, USA
- Department of Internal Medicine, University of California Davis, Davis, CA, 95616, USA
| | - Ameer Y Taha
- Department of Food Science and Technology, University of California Davis, Davis, CA, 95616, USA
| | - Carolyn M Slupsky
- Department of Food Science and Technology, University of California Davis, Davis, CA, 95616, USA
- Perinatal Origins of Disparities Center, University of California Davis, Davis, CA, 95616, USA
- Department of Nutrition, University of California Davis, Davis, CA, 95616, USA
| | - Mari S Golub
- California National Primate Research Center, University of California Davis, Davis, CA, 95616, USA
| | - John P Capitanio
- California National Primate Research Center, University of California Davis, Davis, CA, 95616, USA
- Department of Psychology, University of California Davis, Davis, CA, 95616, USA
| | - Catherine A VandeVoort
- California National Primate Research Center, University of California Davis, Davis, CA, 95616, USA
- Department of Obstetrics and Gynecology, School of Medicine, University of California Davis, Davis, CA, 95616, USA
| | - Cheryl K Walker
- MIND Institute, School of Medicine, University of California Davis, Sacramento, CA, 95817, USA
- California National Primate Research Center, University of California Davis, Davis, CA, 95616, USA
- Perinatal Origins of Disparities Center, University of California Davis, Davis, CA, 95616, USA
- Department of Obstetrics and Gynecology, School of Medicine, University of California Davis, Davis, CA, 95616, USA
| | - Janine M LaSalle
- Department of Medical Microbiology and Immunology, School of Medicine, University of California Davis, Davis, CA, 95616, USA.
- UC Davis Genome Center, University of California, Davis, CA, 95616, USA.
- MIND Institute, School of Medicine, University of California Davis, Sacramento, CA, 95817, USA.
- Perinatal Origins of Disparities Center, University of California Davis, Davis, CA, 95616, USA.
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12
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Loudig O, Mitchell MI, Ben-Dov IZ, Liu C, Fineberg S. MiRNA expression deregulation correlates with the Oncotype DX ® DCIS score. BREAST CANCER RESEARCH : BCR 2022; 24:62. [PMID: 36096802 PMCID: PMC9469592 DOI: 10.1186/s13058-022-01558-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Accepted: 08/29/2022] [Indexed: 11/18/2022]
Abstract
Background Current clinical criteria do not discriminate well between women who will or those who will not develop ipsilateral invasive breast cancer (IBC), or a DCIS recurrence after a ductal carcinoma in situ (DCIS) diagnosis. The 12-gene Oncotype DX® DCIS assay (RT qPCR gene-based scoring system) was established and shown to predict the risk of subsequent ipsilateral IBC or DCIS recurrence. Recent studies have shown that microRNA (miRNA) expression deregulation can contribute to the development of IBC, but very few have evaluated miRNA deregulation in DCIS lesions. In this study, we sought to determine whether specific miRNA expression changes may correlate with Oncotype DX® DCIS scores. Methods For this study, we used archived formalin-fixed, paraffin-embedded (FFPE) specimens from 41 women diagnosed with DCIS between 2012 and 2018. The DCIS lesions were stratified into low (n = 26), intermediate (n = 10), and high (n = 5) risk score groups using the Oncotype DX® DCIS assay. Total RNA was extracted from DCIS lesions by macro-dissection of unstained FFPE sections, and next-generation small-RNA sequencing was performed. We evaluated the correlation between miRNA expression data and Oncotype score, as well as patient age. RT-qPCR validations were performed to validate the topmost differentially expressed miRNAs identified between the different risk score groups. Results MiRNA sequencing of 32 FFPE DCIS specimens from the three different risk group scores identified a correlation between expression deregulation of 17 miRNAs and Oncotype scores. Our analyses also revealed a correlation between the expression deregulation of 9 miRNAs and the patient’s age. Based on these results, a total of 15 miRNAs were selected for RT-qPCR validation. Of these, miR-190b (p = 0.043), miR-135a (p = 0.05), miR-205 (p = 0.00056), miR-30c (p = 0.011), and miR-744 (p = 0.038) showed a decreased expression in the intermediate/high Oncotype group when compared to the low-risk score group. A composite risk score was established using these 5 miRNAs and indicated a significant association between miRNA expression deregulation and the Oncotype DX® DCIS Score (p < 0.0021), between high/intermediate and low risk groups. Conclusions Our analyses identified a subset of 5 miRNAs able to discriminate between Oncotype DX® DCIS score subgroups. Together, our data suggest that miRNA expression analysis may add value to the predictive and prognostic evaluation of DCIS lesions. Supplementary Information The online version contains supplementary material available at 10.1186/s13058-022-01558-4.
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Affiliation(s)
- Olivier Loudig
- Center for Discovery and Innovation, Hackensack Meridian Health, Nutley, NJ, 07110, USA.
| | - Megan I Mitchell
- Center for Discovery and Innovation, Hackensack Meridian Health, Nutley, NJ, 07110, USA
| | - Iddo Z Ben-Dov
- Department of Nephrology and Hypertension, Hadassah Medical Center, 91120, Jerusalem, Israel
| | - Christina Liu
- Center for Discovery and Innovation, Hackensack Meridian Health, Nutley, NJ, 07110, USA
| | - Susan Fineberg
- Department of Pathology, Montefiore Medical Center and the Albert Einstein College of Medicine, Bronx, NY, 10461, USA
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13
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Xu H, Hu X, Yan X, Zhong W, Yin D, Gai Y. Exploring noncoding RNAs in thyroid cancer using a graph convolutional network approach. Comput Biol Med 2022; 145:105447. [DOI: 10.1016/j.compbiomed.2022.105447] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Revised: 03/20/2022] [Accepted: 03/21/2022] [Indexed: 12/01/2022]
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14
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Ohishi T, Hayakawa S, Miyoshi N. Involvement of microRNA modifications in anticancer effects of major polyphenols from green tea, coffee, wine, and curry. Crit Rev Food Sci Nutr 2022; 63:7148-7179. [PMID: 35289676 DOI: 10.1080/10408398.2022.2038540] [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] [Indexed: 12/12/2022]
Abstract
Epidemiological studies have shown that consumption of green tea, coffee, wine, and curry may contribute to a reduced risk of various cancers. However, there are some cancer site-specific differences in their effects; for example, the consumption of tea or wine may reduce bladder cancer risk, whereas coffee consumption may increase the risk. Animal and cell-based experiments have been used to elucidate the anticancer mechanisms of these compounds, with reactive oxygen species (ROS)-based mechanisms emerging as likely candidates. Chlorogenic acid (CGA), curcumin (CUR), epigallocatechin gallate (EGCG), and resveratrol (RSV) can act as antioxidants that activate AMP-activated protein kinase (AMPK) to downregulate ROS, and as prooxidants to generate ROS, leading to the downregulation of NF-κB. Polyphenols can modulate miRNA (miR) expression, with these dietary polyphenols shown to downregulate tumor-promoting miR-21. CUR, EGCG, and RSV can upregulate tumor-suppressing miR-16, 34a, 145, and 200c, but downregulate tumor-promoting miR-25a. CGA, EGCG, and RSV downregulate tumor-suppressing miR-20a, 93, and 106b. The effects of miRs may combine with ROS-mediated pathways, enhancing the anticancer effects of these polyphenols. More precise analysis is needed to determine how the different modulations of miRs by polyphenols relate to the cancer site-specific differences found in epidemiological studies related to the consumption of foods containing these polyphenols.
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Affiliation(s)
- Tomokazu Ohishi
- Institute of Microbial Chemistry (BIKAKEN), Numazu, Microbial Chemistry Research Foundation, Shizuoka, Japan
| | - Sumio Hayakawa
- Department of Biochemistry and Molecular Biology, Graduate School of Medicine, Nippon Medical School, Tokyo, Japan
| | - Noriyuki Miyoshi
- Laboratory of Biochemistry, Graduate School of Nutritional and Environmental Sciences, University of Shizuoka, Shizuoka, Japan
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15
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Otsuka K, Ochiya T. Possible connection between diet and microRNA in cancer scenario. Semin Cancer Biol 2021; 73:4-18. [DOI: 10.1016/j.semcancer.2020.11.014] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Revised: 10/30/2020] [Accepted: 11/16/2020] [Indexed: 02/06/2023]
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16
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Normann LS, Aure MR, Leivonen SK, Haugen MH, Hongisto V, Kristensen VN, Mælandsmo GM, Sahlberg KK. MicroRNA in combination with HER2-targeting drugs reduces breast cancer cell viability in vitro. Sci Rep 2021; 11:10893. [PMID: 34035375 PMCID: PMC8149698 DOI: 10.1038/s41598-021-90385-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Accepted: 04/30/2021] [Indexed: 01/03/2023] Open
Abstract
HER2-positive (HER2 +) breast cancer patients that do not respond to targeted treatment have a poor prognosis. The effects of targeted treatment on endogenous microRNA (miRNA) expression levels are unclear. We report that responsive HER2 + breast cancer cell lines had a higher number of miRNAs with altered expression after treatment with trastuzumab and lapatinib compared to poorly responsive cell lines. To evaluate whether miRNAs can sensitize HER2 + cells to treatment, we performed a high-throughput screen of 1626 miRNA mimics and inhibitors in combination with trastuzumab and lapatinib in HER2 + breast cancer cells. We identified eight miRNA mimics sensitizing cells to targeted treatment, miR-101-5p, mir-518a-5p, miR-19b-2-5p, miR-1237-3p, miR-29a-3p, miR-29c-3p, miR-106a-5p, and miR-744-3p. A higher expression of miR-101-5p predicted better prognosis in patients with HER2 + breast cancer (OS: p = 0.039; BCSS: p = 0.012), supporting the tumor-suppressing role of this miRNA. In conclusion, we have identified miRNAs that sensitize HER2 + breast cancer cells to targeted therapy. This indicates the potential of combining targeted drugs with miRNAs to improve current treatments for HER2 + breast cancers.
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Affiliation(s)
- Lisa Svartdal Normann
- Department of Research and Innovation, Vestre Viken Hospital Trust, P.O. Box 800, 3004, Drammen, Norway.,Department of Tumor Biology, Institute for Cancer Research, The Norwegian Radium Hospital, Oslo University Hospital, Oslo, Norway.,Department of Medical Genetics, Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway
| | - Miriam Ragle Aure
- Department of Medical Genetics, Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway
| | - Suvi-Katri Leivonen
- Applied Tumor Genomics Research Program, Medical Faculty, University of Helsinki, Helsinki, Finland
| | - Mads Haugland Haugen
- Department of Tumor Biology, Institute for Cancer Research, The Norwegian Radium Hospital, Oslo University Hospital, Oslo, Norway
| | - Vesa Hongisto
- Division of Toxicology, Misvik Biology, Turku, Finland
| | - Vessela N Kristensen
- Department of Medical Genetics, Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway.,Division of Medicine, Department of Clinical Molecular Biology (EpiGen), Akershus University Hospital, Lørenskog, Norway
| | - Gunhild Mari Mælandsmo
- Department of Tumor Biology, Institute for Cancer Research, The Norwegian Radium Hospital, Oslo University Hospital, Oslo, Norway.,Institute for Medical Biology, Faculty of Health Sciences, UiT-The Arctic University of Norway, Tromsø, Norway
| | - Kristine Kleivi Sahlberg
- Department of Research and Innovation, Vestre Viken Hospital Trust, P.O. Box 800, 3004, Drammen, Norway. .,Department of Tumor Biology, Institute for Cancer Research, The Norwegian Radium Hospital, Oslo University Hospital, Oslo, Norway.
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17
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El Kilany FH, Youness RA, Assal RA, Gad MZ. miR-744/eNOS/NO axis: A novel target to halt triple negative breast cancer progression. Breast Dis 2021; 40:161-169. [PMID: 33749631 DOI: 10.3233/bd-200454] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
BACKGROUND Nitric oxide (NO) may have a dual role in cancer. At low concentrations, endogenous NO promotes tumor growth and proliferation. However, at very high concentrations, it mediates cancer cell apoptosis and inhibits cancer growth. High levels of NO have been observed in blood of breast cancer (BC) patients, which increases tumor blood flow and promotes angiogenesis. To date, the regulation of NO-synthesizing enzyme, eNOS, by miRNAs has not been adequately investigated in BC. Therefore, the main aim of this study is to unravel the possible regulation of eNOS by miRNAs in BC and to examine their influence on NO production and BC progression. METHODS Expression profile of eNOS in Egyptian BC patients and MDA-MB-231 cell lines was investigated using qRT-PCR. In-silico analysis was performed to predict a putative upstream regulator of eNOS. miR-744-5p was selected and its expression was quantified in BC tissues using qRT-PCR. MDA-MB-231 cells were cultured and transfected with miR-744-5p using lipofection method. NO levels were determined using Griess Reagent. Cellular viability and colony-forming ability were assessed using MTT and colony-forming assays; respectively. RESULTS eNOS and miR-744-5p were significantly up-regulated in BC tissues compared to paired normal tissues. In-silico analysis revealed that miR-744-5p putatively binds to eNOS transcript with high binding scores. Transfection of MDA-MB-231 cells with miR-744-5p mimics resulted in a significant up-regulation of eNOS and consequently NO levels. In addition, miR-744-5p transfection led to an increase in cellular viability and colony-forming ability of the MDA-MB-231. CONCLUSION miR-744-5p acts as an upstream positive regulator of the NO synthesizing enzyme, eNOS which in turn elevates NO levels. Furthermore, miR-744-5p is a novel oncogenic miRNA in BC. Thus, targeting miR-744/eNOS/NO axis may act as a therapeutic tool in TNBC.
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Affiliation(s)
- Farah Hady El Kilany
- Department of Biochemistry, German University in Cairo, New Cairo City, Cairo, Egypt
| | - Rana Ahmed Youness
- Pharmaceutical Biology Department, German University in Cairo, New Cairo City, Cairo, Egypt
| | - Reem Amr Assal
- Department of Pharmacology and Toxicology, German University in Cairo, New Cairo City, Cairo, Egypt
| | - Mohamed Zakaria Gad
- Department of Biochemistry, German University in Cairo, New Cairo City, Cairo, Egypt
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18
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Hao D, Wang X, Wang X, Thomsen B, Qu K, Lan X, Huang Y, Lei C, Huang B, Chen H. Resveratrol stimulates microRNA expression during differentiation of bovine primary myoblasts. Food Nutr Res 2021. [DOI: 10.29219/fnr.v65.5453] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
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19
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Amiri A, Mahjoubin-Tehran M, Asemi Z, Shafiee A, Hajighadimi S, Moradizarmehri S, Mirzaei HR, Mirzaei H. Role of Resveratrol in Modulating microRNAs in Human Diseases: From Cancer to Inflammatory Disorder. Curr Med Chem 2021; 28:360-376. [PMID: 31830882 DOI: 10.2174/0929867326666191212102407] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2019] [Revised: 10/18/2019] [Accepted: 10/18/2019] [Indexed: 12/09/2022]
Abstract
Cancer and inflammatory disorders are two important public health issues worldwide with significant socio.economic impacts. Despite several efforts, the current therapeutic platforms are associated with severe limitations. Therefore, developing new therapeutic strategies for the treatment of these diseases is a top priority. Besides current therapies, the utilization of natural compounds has emerged as a new horizon for the treatment of cancer and inflammatory disorders as well. Such natural compounds could be used either alone or in combination with the standard cancer therapeutic modalities such as chemotherapy, radiotherapy, and immunotherapy. Resveratrol is a polyphenolic compound that is found in grapes as well as other foods. It has been found that this medicinal agent displays a wide pharmacological spectrum, including anti-cancer, anti-inflammatory, anti-microbial, and antioxidant activities. Recently, clinical and pre-clinical studies have highlighted the anti-cancer and anti-inflammatory effects of resveratrol. Increasing evidence revealed that resveratrol exerts its therapeutic effects by targeting various cellular and molecular mechanisms. Among cellular and molecular targets that are modulated by resveratrol, microRNAs (miRNAs) have appeared as key targets. MiRNAs are short non-coding RNAs that act as epigenetic regulators. These molecules are involved in many processes that are involved in the initiation and progression of cancer and inflammatory disorders. Herein, we summarized various miRNAs that are directly/indirectly influenced by resveratrol in cancer and inflammatory disorders.
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Affiliation(s)
- Atefeh Amiri
- Department of Medical Biotechnology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Maryam Mahjoubin-Tehran
- Department of Medical Biotechnology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Zatollah Asemi
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran
| | - Alimohammad Shafiee
- Division of General Internal Medicine, Toronto General Hospital, Toronto, Canada
| | - Sarah Hajighadimi
- Division of General Internal Medicine, Toronto General Hospital, Toronto, Canada
| | - Sanaz Moradizarmehri
- Division of General Internal Medicine, Toronto General Hospital, Toronto, Canada
| | - Hamid Reza Mirzaei
- Department of Medical Immunology, School of Medicine, Tehran University of Medical Sciences, Tehran, Canada
| | - Hamed Mirzaei
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran
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20
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Duică F, Condrat CE, Dănila CA, Boboc AE, Radu MR, Xiao J, Li X, Creţoiu SM, Suciu N, Creţoiu D, Predescu DV. MiRNAs: A Powerful Tool in Deciphering Gynecological Malignancies. Front Oncol 2020; 10:591181. [PMID: 33194751 PMCID: PMC7646292 DOI: 10.3389/fonc.2020.591181] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Accepted: 10/01/2020] [Indexed: 12/14/2022] Open
Abstract
Accumulated evidence on the clinical roles of microRNAs (miRNAs) in cancer prevention and control has revealed the emergence of new genetic techniques that have improved the understanding of the mechanisms essential for pathology induction and progression. Comprehension of the modifications and individual differences of miRNAs and their interactions in the pathogenesis of gynecological malignancies, together with an understanding of the phenotypic variations have considerably improved the management of the diagnosis and personalized treatment for different forms of cancer. In recent years, miRNAs have emerged as signaling molecules in biological pathways involved in different categories of cancer and it has been demonstrated that these molecules could regulate cancer-relevant processes, our focus being on malignancies of the gynecologic tract. The aim of this paper is to summarize novel research findings in the literature regarding the parts that miRNAs play in cancer-relevant processes, specifically regarding gynecological malignancy, while emphasizing their pivotal role in the disruption of cancer-related signaling pathways.
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Affiliation(s)
- Florentina Duică
- Fetal Medicine Excellence Research Center, Alessandrescu-Rusescu National Institute for Mother and Child Health, Bucharest, Romania
| | - Carmen Elena Condrat
- Fetal Medicine Excellence Research Center, Alessandrescu-Rusescu National Institute for Mother and Child Health, Bucharest, Romania
| | - Cezara Alina Dănila
- Fetal Medicine Excellence Research Center, Alessandrescu-Rusescu National Institute for Mother and Child Health, Bucharest, Romania
| | - Andreea Elena Boboc
- Fetal Medicine Excellence Research Center, Alessandrescu-Rusescu National Institute for Mother and Child Health, Bucharest, Romania
| | - Mihaela Raluca Radu
- Fetal Medicine Excellence Research Center, Alessandrescu-Rusescu National Institute for Mother and Child Health, Bucharest, Romania
| | - Junjie Xiao
- Institute of Cardiovascular Sciences, Shanghai University, Shanghai, China
| | - Xinli Li
- Department of Cardiology, Jiangsu Province Hospital and Nanjing Medical University First Affiliated Hospital, Nanjing, China
| | - Sanda Maria Creţoiu
- Cellular and Molecular Biology and Histology Department, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania
| | - Nicolae Suciu
- Fetal Medicine Excellence Research Center, Alessandrescu-Rusescu National Institute for Mother and Child Health, Bucharest, Romania.,Department of Obstetrics and Gynecology, Polizu Clinical Hospital, Alessandrescu-Rusescu National Institute for Mother and Child Health, Bucharest, Romania.,Obstetrics, Gynecology and Neonatology Department, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania
| | - Dragoş Creţoiu
- Fetal Medicine Excellence Research Center, Alessandrescu-Rusescu National Institute for Mother and Child Health, Bucharest, Romania.,Cellular and Molecular Biology and Histology Department, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania
| | - Dragoş-Valentin Predescu
- Department of General Surgery, Sf. Maria Clinical Hospital, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania
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21
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Participation of MicroRNAs in the Treatment of Cancer with Phytochemicals. Molecules 2020; 25:molecules25204701. [PMID: 33066509 PMCID: PMC7587345 DOI: 10.3390/molecules25204701] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 10/08/2020] [Accepted: 10/13/2020] [Indexed: 02/06/2023] Open
Abstract
Cancer is a global health concern and one of the main causes of disease-related death. Even with considerable progress in investigations on cancer therapy, effective anti-cancer agents and regimens have thus far been insufficient. There has been compelling evidence that natural phytochemicals and their derivatives have potent anti-cancer activities. Plant-based anti-cancer agents, such as etoposide, irinotecan, paclitaxel, and vincristine, are currently being applied in medical treatments for patients with cancer. Further, the efficacy of plenty of phytochemicals has been evaluated to discover a promising candidate for cancer therapy. For developing more effective cancer therapy, it is required to apprehend the molecular mechanism deployed by natural compounds. MicroRNAs (miRNAs) have been realized to play a pivotal role in regulating cellular signaling pathways, affecting the efficacy of therapeutic agents in cancer. This review presents a feature of phytochemicals with anti-cancer activity, focusing mainly on the relationship between phytochemicals and miRNAs, with insights into the role of miRNAs as the mediators and the regulators of anti-cancer effects of phytochemicals.
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22
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MicroRNA-Dependent Targeting of RSU1 and the IPP Adhesion Complex Regulates the PTEN/PI3K/AKT Signaling Pathway in Breast Cancer Cell Lines. Int J Mol Sci 2020; 21:ijms21155458. [PMID: 32751711 PMCID: PMC7432699 DOI: 10.3390/ijms21155458] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Revised: 07/24/2020] [Accepted: 07/27/2020] [Indexed: 12/21/2022] Open
Abstract
(1) Background: The microRNA (miR)-directed control of gene expression is correlated with numerous physiological processes as well as the pathological features of tumors. The focus of this study is on the role of miRs in the regulation of RSU1 and proteins in the IPP (integrin linked kinase, PINCH and parvin) complex. Because the IPP adaptor proteins link β integrins to actin cytoskeleton, and the RSU1 signaling protein connects the complex to the activation of cJun, ATF2 and the transcription of PTEN, their reduction by miRs has the potential to alter both adhesion and survival signaling. (2) Methods: Multiple database analyses were used to identify miRs that target RSU1 and PINCH1. miR transfection validated the effects of miRs on RSU1, PINCH1 and downstream targets in breast cancer cell lines. (3) Results: The miRs targeting RSU1 mRNA include miR-182-5p, -409-3p, -130a-3p, -221-3p, -744-5p and -106b-5p. Data show that miR-182-5p and -409-3p reduce RSU1, PINCH1 and inhibit the ATF2 activation of PTEN expression. miR-221-3p and miR-130a-3p target RSU1 and PINCH1 and, conversely, RSU1 depletion increases miR-221-3p and miR-130a-3p. (4) Conclusions: miRs targeting RSU1 and PINCH1 in mammary epithelial or luminal breast cancer cell lines reduced RSU1 signaling to p38 MAP kinase and ATF2, inhibiting the expression of PTEN. miR-221-3p, known to target PTEN and cell cycle regulators, also targets RSU1 and PINCH1 in luminal breast cancer cell lines.
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23
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Ahmed F, Ijaz B, Ahmad Z, Farooq N, Sarwar MB, Husnain T. Modification of miRNA Expression through plant extracts and compounds against breast cancer: Mechanism and translational significance. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2020; 68:153168. [PMID: 31982837 DOI: 10.1016/j.phymed.2020.153168] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Revised: 01/02/2020] [Accepted: 01/04/2020] [Indexed: 06/10/2023]
Abstract
BACKGROUND Cancer is hyper-proliferative, multi-factorial and multi-step, heterogeneous group of molecular disorders. It is the second most reported disease after heart diseases. Breast carcinoma is the foremost death causing disease in female population worldwide. Cancer can be controlled by regulating the gene expression. Current therapeutic options are associated with severe side effects and are expensive for the people living in under-developed countries. Plant derived substances have potential application against different diseases like cancer, inflammation and viral infections. HYPOTHESIS The mechanism of action of the medicinal plants is largely unknown. Targeting gene network and miRNA using medicinal plants could help in improving the therapeutic options against cancer. METHODS The literature from 135 articles was reviewed by using PubMed, google scholar, Science direct to find out the plants and plant-based compounds against breast cancer and also the studies reporting their mechanistic route of action both at coding and noncoding RNA levels. RESULTS Natural products act as selective inhibitors of the cancerous cells by targeting oncogenes and tumor suppressor genes or altering miRNA expression. Natural compounds like EGCG from tea, Genistein from fava beans, curcumin from turmeric, DIM found in cruciferous, Resveratrol a polyphenol and Quercetin a flavonoid is found in various plants have been studied for their anticancer activity. The EGCG was found to inhibit proliferative activity by modulating miR-16 and miR-21. Similarly, DIM was found to down regulate miR-92a which results to modulate NFkB and stops cancer development. Another plant-based compound Glyceollins found to upregulate miR-181c and miR-181d having role in tumor suppression. It also found to regulate miR-22, 29b and c, miR-30d, 34a and 195. Quercetin having anti-cancer activity induce the apoptosis through regulating miR-16, 26b, 34a, let-7g, 125a and miR-605 and reduce the miRNA expression like miR-146a/b, 503 and 194 which are involved in metastasis. CONCLUSION Targeting miRNA expression using natural plant extracts can have a reverse effect on cell proliferation; turning on and off tumor-inducing and suppressing genes. It can be efficiently adopted as an adjuvant with the conventional form of therapies to increase their efficacy against cancer progression.
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Affiliation(s)
- Fayyaz Ahmed
- National Center of Excellence in Molecular Biology, University of the Punjab Lahore, Pakistan
| | - Bushra Ijaz
- National Center of Excellence in Molecular Biology, University of the Punjab Lahore, Pakistan.
| | - Zarnab Ahmad
- National Center of Excellence in Molecular Biology, University of the Punjab Lahore, Pakistan
| | - Nadia Farooq
- Department of Surgery, Sir Gangaram Hospital Lahore Punjab, Pakistan
| | - Muhammad Bilal Sarwar
- National Center of Excellence in Molecular Biology, University of the Punjab Lahore, Pakistan
| | - Tayyab Husnain
- National Center of Excellence in Molecular Biology, University of the Punjab Lahore, Pakistan
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24
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Zhou BH, Jia LS, Guo HW, Ding HY, Yang JY, Wang HW. Eukaryotic elongation factor 2 is involved in the anticoccidial action of diclazuril in the second-generation merozoites of Eimeria tenella. Vet Parasitol 2019; 276:108991. [PMID: 31770701 DOI: 10.1016/j.vetpar.2019.108991] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2019] [Revised: 11/15/2019] [Accepted: 11/16/2019] [Indexed: 01/29/2023]
Abstract
Eimeria tenella, an obligate intracellular parasite, can actively invade the cecal epithelial cells of chickens and cause severe enteric disease. Eukaryotic elongation factor 2 (eEF2) plays a major role in protein synthesis and cell survival. This study aims to explore the exact mechanisms underlying diclazuril inhibition in second-generation merozoites of E. tenella. The eEF2 cDNA of the second-generation merozoites of E. tenella (EtEF2) was cloned by reverse transcriptase polymerase chain reaction and rapid amplification of cDNA ends. Diclazuril-induced expression profiles of EtEF2 were also analyzed. The cloned full-length cDNA (2893 bp) of the EtEF2 nucleotide sequence encompassed a 2499 bp open reading frame (ORF) that encoded a polypeptide of 832 residues with an estimated molecular mass of 93.12 kDa and a theoretical isoelectric point of 5.99. The EtEF2 nucleotide sequence was submitted to the GenBank database with the accession number KF188423. The EtEF2 protein sequence shared 99 % homology with the eEF2 sequence of Toxoplasma gondii (GenBank XP_002367778.1). The GTPase activity domain and ADP-ribosylation domain were conserved signature sequences of the eEF2 gene family. The changes in the transcriptional and translational levels of EtEF2 were detected through quantitative real-time PCR and Western blot analyses. The mRNA expression level of EtEF2 was 2.706 fold increases and the protein level of EtEF2 was increased 67.31 % under diclazuril treatment. In addition, the localization of EtEF2 was investigated through immunofluorescence assay. Experimental results demonstrated that EtEF2 was distributed primarily in the cytoplasm of second-generation merozoites, and its fluorescence intensity was enhanced after diclazuril treatment. These findings indicated that EtEF2 may have an important role in understanding the signaling mechanism underlying the anticoccidial action of diclazuril and could be a promising target for novel drug exploration.
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Affiliation(s)
- Bian-Hua Zhou
- College of Animal Science and Technology, Henan University of Science and Technology, Kaiyuan Avenue 263, Luoyang 471000, Henan, People's Republic of China.
| | - Liu-Shu Jia
- College of Animal Science and Technology, Henan University of Science and Technology, Kaiyuan Avenue 263, Luoyang 471000, Henan, People's Republic of China.
| | - Hong-Wei Guo
- College of Animal Science&Technology, Henan University of Animal Husbandry and Economy, Longzi Hubei Road 6, Zhengzhou 450046, Henan, People's Republic of China.
| | - Hai-Yan Ding
- College of Animal Science and Technology, Henan University of Science and Technology, Kaiyuan Avenue 263, Luoyang 471000, Henan, People's Republic of China.
| | - Jing-Yun Yang
- College of Animal Science and Technology, Henan University of Science and Technology, Kaiyuan Avenue 263, Luoyang 471000, Henan, People's Republic of China.
| | - Hong-Wei Wang
- College of Animal Science and Technology, Henan University of Science and Technology, Kaiyuan Avenue 263, Luoyang 471000, Henan, People's Republic of China.
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Biterge-Sut B. Alterations in Eukaryotic Elongation Factor complex proteins (EEF1s) in cancer and their implications in epigenetic regulation. Life Sci 2019; 238:116977. [PMID: 31639400 DOI: 10.1016/j.lfs.2019.116977] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2019] [Revised: 09/05/2019] [Accepted: 10/15/2019] [Indexed: 11/16/2022]
Abstract
AIMS In the cell, both transcriptional and translational processes are tightly regulated. Cancer is a multifactorial disease characterized by aberrant protein expression. Since epigenetic control mechanisms are also frequently disrupted during carcinogenesis, they have been the center of attention in cancer research within the past decades. EEF1 complex members, which are required for the elongation process in eukaryotes, have recently been implicated in carcinogenesis. This study aims to investigate genetic alterations within EEF1A1, EEF1A2, EEF1B2, EEF1D, EEF1E1 and EEF1G genes and their potential effects on epigenetic regulation mechanisms. MATERIALS AND METHODS In this study, we analyzed DNA sequencing and mRNA expression data available on The Cancer Genome Atlas (TCGA) across different cancer types to detect genetic alterations in EEF1 genes and investigated their potential impact on selected epigenetic modulators. KEY FINDINGS We found that EEF1 complex proteins were deregulated in several types of cancer. Lower EEF1A1, EEF1B2, EEF1D and EEF1G levels were correlated with poor survival in glioma, while lower EEF1B2, EEF1D and EEF1E1 levels were correlated with better survival in hepatocellular carcinoma. We detected genetic alterations within EEF1 genes in up to 35% of the patients and showed that these alterations resulted in down-regulation of histone modifying enzymes KMT2C, KMT2D, KMT2E, KAT6A and EP300. SIGNIFICANCE Here in this study, we showed that EEF1 deregulations might result in differential epigenomic landscapes, which affect the overall transcriptional profile, contributing to carcinogenesis. Identification of these molecular distinctions might be useful in developing targeted drug therapies and personalized medicine.
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Affiliation(s)
- Burcu Biterge-Sut
- Nigde Omer Halisdemir University, Faculty of Medicine, Department of Medical Biology, Nigde, Turkey.
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26
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Wang G, Zhao W, Wang H, Qiu G, Jiang Z, Wei G, Li X. Exosomal MiR-744 Inhibits Proliferation and Sorafenib Chemoresistance in Hepatocellular Carcinoma by Targeting PAX2. Med Sci Monit 2019; 25:7209-7217. [PMID: 31553714 PMCID: PMC6777417 DOI: 10.12659/msm.919219] [Citation(s) in RCA: 67] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Hepatocellular carcinoma (HCC) is a commonly occurring liver malignancy. Its prognosis remains unsatisfactory. Accumulating evidence has revealed that exosomal microRNAs (miRNAs) act as biomarkers and play crucial roles in the advancement of HCC. The current study explored the biological role and fundamental mechanism of exosomal miR-744 in HCC. MATERIAL AND METHODS The serum exosomes of HCC patients were isolated by differential ultracentrifugation. MiR-744 expression in HCC tissues, cell lines and serum exosomes were detected by quantitative real-time polymerase chain reaction (qRT-PCR). EdU (5-ethynyl-2'-deoxyuridine) assay and Cell Counting Kit-8 (CCK-8) assay were conducted to show the impacts of miR-744 or exosomal miR-744 on proliferation and sorafenib resistance in HepG2 cells. The target of miR-744 was ascertained by regulating the level of miR-744 in HepG2 cells. RESULTS MiR-744 is downregulated in HCC tissues and cell lines as well as in exosomes derived from patient serum and HepG2 cells. Additionally, downregulated miR-744 promotes HepG2 cell proliferation and inhibits the chemosensitivity of HepG2 cells to sorafenib. PAX2 was identified as the functional target of miR-744. Interestingly, miR-744 is decreased in exosomes derived from sorafenib-resistant HepG2 cells. Furthermore, when treated with the miR-744-enriched exosomes, the proliferation of HepG2 cells was significantly suppressed, and the sorafenib resistance was reduced. CONCLUSIONS MiR-744 has an imperative role in the propagation and chemoresistance of HCC. Serum exosomal miR-744 might act as a biomarker of HCC, and exosomal miR-744 might offer an innovative strategy for HCC treatment.
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Affiliation(s)
- Guanghui Wang
- Department of General Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China (mainland)
| | - Wei Zhao
- Department of General Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China (mainland)
| | - Huxia Wang
- Department of Breast Surgery, Shaanxi Provincial Tumor Hospital, Xi'an, Shaanxi, China (mainland)
| | - Guanglin Qiu
- Department of General Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China (mainland)
| | - Zhengdong Jiang
- Department of General Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China (mainland)
| | - Guangbing Wei
- Department of General Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China (mainland)
| | - Xuqi Li
- Department of General Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China (mainland)
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Walas D, Nowicki-Osuch K, Alibhai D, von Linstow Roloff E, Coghill J, Waterfall C, Paton JF. Inflammatory pathways are central to posterior cerebrovascular artery remodelling prior to the onset of congenital hypertension. J Cereb Blood Flow Metab 2019; 39:1803-1817. [PMID: 29651914 PMCID: PMC6724458 DOI: 10.1177/0271678x18769180] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Cerebral artery hypoperfusion may provide the basis for linking ischemic stroke with hypertension. Brain hypoperfusion may induce hypertension that may serve as an auto-protective mechanism to prevent ischemic stroke. We hypothesised that hypertension is caused by remodelling of the cerebral arteries, which is triggered by inflammation. We used a congenital rat model of hypertension and examined age-related changes in gene expression of the cerebral arteries using RNA sequencing. Prior to hypertension, we found changes in signalling pathways associated with the immune system and fibrosis. Validation studies using second harmonics generation microscopy revealed upregulation of collagen type I and IV in both tunica externa and media. These changes in the extracellular matrix of cerebral arteries pre-empted hypertension accounting for their increased stiffness and resistance, both potentially conducive to stroke. These data indicate that inflammatory driven cerebral artery remodelling occurs prior to the onset of hypertension and may be a trigger elevating systemic blood pressure in genetically programmed hypertension.
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Affiliation(s)
- Dawid Walas
- 1 School of Physiology, Pharmacology and Neuroscience, Biomedical Sciences, University of Bristol, Bristol, UK
| | | | - Dominic Alibhai
- 3 Wolfson Bioimaging Facility, School of Biochemistry, Biomedical Sciences, University of Bristol, Bristol, UK
| | - Eva von Linstow Roloff
- 1 School of Physiology, Pharmacology and Neuroscience, Biomedical Sciences, University of Bristol, Bristol, UK
| | - Jane Coghill
- 4 Genomics Facility, School of Biological Sciences, Bristol, UK
| | | | - Julian Fr Paton
- 1 School of Physiology, Pharmacology and Neuroscience, Biomedical Sciences, University of Bristol, Bristol, UK.,5 Department of Physiology, Faculty of Medical and Health Sciences, University of Auckland, Grafton, New Zealand
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28
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Zambrano A, Molt M, Uribe E, Salas M. Glut 1 in Cancer Cells and the Inhibitory Action of Resveratrol as A Potential Therapeutic Strategy. Int J Mol Sci 2019; 20:ijms20133374. [PMID: 31324056 PMCID: PMC6651361 DOI: 10.3390/ijms20133374] [Citation(s) in RCA: 122] [Impact Index Per Article: 24.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2019] [Revised: 06/14/2019] [Accepted: 07/01/2019] [Indexed: 12/13/2022] Open
Abstract
An important hallmark in cancer cells is the increase in glucose uptake. GLUT1 is an important target in cancer treatment because cancer cells upregulate GLUT1, a membrane protein that facilitates the basal uptake of glucose in most cell types, to ensure the flux of sugar into metabolic pathways. The dysregulation of GLUT1 is associated with numerous disorders, including cancer and metabolic diseases. There are natural products emerging as a source for inhibitors of glucose uptake, and resveratrol is a molecule of natural origin with many properties that acts as antioxidant and antiproliferative in malignant cells. In the present review, we discuss how GLUT1 is involved in the general scheme of cancer cell metabolism, the mechanism of glucose transport, and the importance of GLUT1 structure to understand the inhibition process. Then, we review the current state-of-the-art of resveratrol and other natural products as GLUT1 inhibitors, focusing on those directed at treating different types of cancer. Targeting GLUT1 activity is a promising strategy for the development of drugs aimed at treating neoplastic growth.
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Affiliation(s)
- Angara Zambrano
- Instituto de Bioquimica y Microbiologia, Universidad Austral de Chile, Valdivia 0000000, Chile
- Departamento de Bioquímica y Biología Molecular, Facultad de Ciencias, Universidad de Concepción, Concepción 4070386, Chile
| | - Matías Molt
- Instituto de Bioquimica y Microbiologia, Universidad Austral de Chile, Valdivia 0000000, Chile
| | - Elena Uribe
- Departamento de Bioquímica y Biología Molecular, Facultad de Ciencias, Universidad de Concepción, Concepción 4070386, Chile
| | - Mónica Salas
- Instituto de Bioquimica y Microbiologia, Universidad Austral de Chile, Valdivia 0000000, Chile.
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29
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Sun L, Liu M, Luan S, Shi Y, Wang Q. MicroRNA-744 promotes carcinogenesis in osteosarcoma through targeting LATS2. Oncol Lett 2019; 18:2523-2529. [PMID: 31452740 PMCID: PMC6676671 DOI: 10.3892/ol.2019.10530] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2019] [Accepted: 06/12/2019] [Indexed: 12/17/2022] Open
Abstract
Osteosarcoma (OS) mortality rate is increasing. Various microRNAs (miRNAs) have been investigated in the pathological process of OS except for miR-744. Hence, this research was designed to explore miR-744 function in OS. RT-qPCR and western blot analysis were used to quantify miR-744 and large tumor suppressor kinase 2 (LATS2) expression levels. The function of miR-744 was investigated using MTT and Transwell assays. Target gene of miR-744 was verified by dual-luciferase reporter assay. miR-744 expression was increased in OS, which was associated with worse clinical features and prognosis of OS patients. Importantly, miR-744 promoted cell viability and metastasis in OS. Furthermore, miR-744 induced Wnt/β-catenin pathway and epithelial-mesenchymal transition (EMT) in OS. In addition, miR-744 directly targeted LATS2 and blocked its expression in OS. Moreover, upregulation of LATS2 weakened the promotion of cell viability and metastasis induced by miR-744 in OS. In conclusion, miR-744 accelerated OS progression through restraining LATS2 and activating Wnt/β-catenin pathway and EMT.
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Affiliation(s)
- Liangzhi Sun
- Department of Orthopedics, Weifang People's Hospital, Weifang, Shandong 261041, P.R. China
| | - Ming Liu
- Department of Orthopedics, Hanting People's Hospital, Weifang, Shandong 261100, P.R. China
| | - Suxian Luan
- Reproductive Medicine Centre, Weifang People's Hospital, Weifang, Shandong 261041, P.R. China
| | - Yulin Shi
- Department of Orthopedics, Weifang People's Hospital, Weifang, Shandong 261041, P.R. China
| | - Qiang Wang
- Department of Orthopedics, Hanting People's Hospital, Weifang, Shandong 261100, P.R. China
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30
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Giudice A, Barbieri A, Bimonte S, Cascella M, Cuomo A, Crispo A, D'Arena G, Galdiero M, Della Pepa ME, Botti G, Caraglia M, Capunzo M, Arra C, Montella M. Dissecting the prevention of estrogen-dependent breast carcinogenesis through Nrf2-dependent and independent mechanisms. Onco Targets Ther 2019; 12:4937-4953. [PMID: 31388303 PMCID: PMC6607693 DOI: 10.2147/ott.s183192] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2018] [Accepted: 12/14/2018] [Indexed: 12/19/2022] Open
Abstract
Breast cancer is the most common malignancy among women worldwide. Various studies indicate that prolonged exposure to elevated levels of estrogens is associated with development of breast cancer. Both estrogen receptor-dependent and independent mechanisms can contribute to the carcinogenic effects of estrogens. Among them, the oxidative metabolism of estrogens plays a key role in the initiation of estradiol-induced breast cancer by generation of reactive estrogen quinones as well as the associated formation of oxygen free radicals. These genotoxic metabolites can react with DNA to form unstable DNA adducts which generate mutations leading to the initiation of breast cancer. A variety of endogenous and exogenous factors can alter estrogen homeostasis and generate genotoxic metabolites. The use of specific phytochemicals and dietary supplements can inhibit the risk of breast cancer not only by the modulation of several estrogen-activating enzymes (CYP19, CYP1B1) but also through the induction of various cytoprotective enzymes (eg, SOD3, NQO1, glutathione S-transferases, OGG-1, catechol-O-methyltransferases, CYP1B1A, etc.) that reestablish the homeostatic balance of estrogen metabolism via nuclear factor erythroid 2-related factor 2 (Nrf2)-dependent and independent mechanisms.
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Affiliation(s)
- Aldo Giudice
- Epidemiology Unit, Istituto Nazionale Tumori “Fondazione G. Pascale”, IRCCS, Naples, Italy
| | - Antonio Barbieri
- S.S.D Sperimentazione Animale, Istituto Nazionale Tumori “Fondazione G. Pascale”, IRCCS, Naples, Italy
| | - Sabrina Bimonte
- Division of Anesthesia and Pain Medicine, Istituto Nazionale Tumori “Fondazione G. Pascale”, IRCCS, Naples, Italy
| | - Marco Cascella
- Division of Anesthesia and Pain Medicine, Istituto Nazionale Tumori “Fondazione G. Pascale”, IRCCS, Naples, Italy
| | - Arturo Cuomo
- Division of Anesthesia and Pain Medicine, Istituto Nazionale Tumori “Fondazione G. Pascale”, IRCCS, Naples, Italy
| | - Anna Crispo
- Epidemiology Unit, Istituto Nazionale Tumori “Fondazione G. Pascale”, IRCCS, Naples, Italy
| | - Giovanni D'Arena
- Hematology and Stem Cell Transplantation Unit, IRCCS Centro di Riferimento Oncologico della Basilicata, Rionero in Vulture, Italy
| | - Massimiliano Galdiero
- Department of Experimental Medicine, Università della Campania “Luigi Vanvitelli”, 80134Naples, Italy
| | - Maria Elena Della Pepa
- Department of Experimental Medicine, Università della Campania “Luigi Vanvitelli”, 80134Naples, Italy
| | - Gerardo Botti
- Scientific Direction, Istituto Nazionale Tumori-IRCCS “Fondazione G. Pascale”, Naples, Italy
| | - Michele Caraglia
- Department of Biochemistry, Biophysics and General Pathology, University of Campania “Luigi Vanvitelli”, 80138Naples, Italy
| | - Mario Capunzo
- Department of Medicine, Surgery and Dentistry “Scuola Medica Salernitana”, University of Salerno, Baronissi, 84081Salerno, Italy
| | - Claudio Arra
- S.S.D Sperimentazione Animale, Istituto Nazionale Tumori “Fondazione G. Pascale”, IRCCS, Naples, Italy
| | - Maurizio Montella
- Epidemiology Unit, Istituto Nazionale Tumori “Fondazione G. Pascale”, IRCCS, Naples, Italy
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31
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Kang H. MicroRNA-Mediated Health-Promoting Effects of Phytochemicals. Int J Mol Sci 2019; 20:ijms20102535. [PMID: 31126043 PMCID: PMC6566171 DOI: 10.3390/ijms20102535] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2019] [Revised: 05/20/2019] [Accepted: 05/21/2019] [Indexed: 12/17/2022] Open
Abstract
Phytochemicals are known to benefit human health by modulating various cellular processes, including cell proliferation, apoptosis, and inflammation. Due to the potential use of phytochemicals as therapeutic agents against human diseases such as cancer, studies are ongoing to elucidate the molecular mechanisms by which phytochemicals affect cellular functions. It has recently been shown that phytochemicals may regulate the expression of microRNAs (miRNAs). MiRNAs are responsible for the fine-tuning of gene expression by controlling the expression of their target mRNAs in both normal and pathological cells. This review summarizes the recent findings regarding phytochemicals that modulate miRNA expression and promote human health by exerting anticancer, photoprotective, and anti-hepatosteatosis effects. Identifying miRNAs modulated by phytochemicals and understanding the regulatory mechanisms mediated by their target mRNAs will facilitate the efforts to maximize the therapeutic benefits of phytochemicals.
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Affiliation(s)
- Hara Kang
- Division of Life Sciences, College of Life Sciences and Bioengineering, Incheon National University, Incheon 22012, Korea.
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32
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Zhang M, Li H, Zhang Y, Li H. Oncogenic miR-744 promotes prostate cancer growth through direct targeting of LKB1. Oncol Lett 2018; 17:2257-2265. [PMID: 30675291 PMCID: PMC6341651 DOI: 10.3892/ol.2018.9822] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2017] [Accepted: 10/25/2018] [Indexed: 12/12/2022] Open
Abstract
Prostate cancer (PCa) is one of the most common malignancies worldwide, and with a limited number of treatments for this type of cancer, its incidence is rapidly increasing. Patients presenting with PCa are likely to experience disease recurrence, which represents a considerable clinical challenge. MicroRNAs (miRNAs) have been widely characterized as a critical regulator in a number of types of cancer, including PCa. miRNA-744 (miR-744) has been reported to be involved in cancer regulation; however, its role in PCa remained poorly understood. In a recent study, it was demonstrated that miR-744 was overexpressed in prostate tissue from PCa patients when compared with the surrounding tissues, and knockdown of miR-744 resulted in reduced cell growth. In addition, an increased population of apoptotic cells was detected upon miR-744 knockdown, together with a decrease in cell proliferation. Cell cycle analysis demonstrated a higher number of cells in the G1 phase and lower numbers in the S phase following miR-744 silencing. The levels of key proteins involved in cell cycle progression (cyclin D1, cyclin-dependent kinase 4, and proliferating cell nuclear antigen) were increased, whereas those proteins responsible for cell cycle inhibition (cyclin-dependent kinase inhibitor p21) were decreased. The tumor suppressor liver kinase B1 (LKB1) was revealed to be a potential target of miR-744, suggesting its potential mechanism of action. LKB1 levels were negatively correlated with miR-744, and LKB1 was indicated to be a direct target of miR-744. Furthermore, it was revealed that by targeting LKB1, miR-744 may regulate adenosine monophosphate-activated protein kinase (AMPK); the AMPK signaling pathway was activated by miR-744 knockdown, with subsequent inhibition of the mammalian target of rapamycin (mTOR) signaling pathway. Taken together, these results demonstrated that miR-744 promoted cell growth through the AMPK signaling pathway, by targeting LKB1. The present study revealed a novel insight into the biological function of miR-744 in PCa, and that miR-744 may be a potential therapeutic target.
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Affiliation(s)
- Minglei Zhang
- Department of Orthopedics, China and Japan Union Hospital of Jilin University, Changchun, Jilin 130000, P.R. China
| | - Hai Li
- Department of Urology, China and Japan Union Hospital of Jilin University, Changchun, Jilin 130000, P.R. China
| | - Yun Zhang
- Department of Urology, China and Japan Union Hospital of Jilin University, Changchun, Jilin 130000, P.R. China
| | - Hongyan Li
- Department of Urology, China and Japan Union Hospital of Jilin University, Changchun, Jilin 130000, P.R. China
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Zhang C, Chen B, Jiao A, Li F, Sun N, Zhang G, Zhang J. miR-663a inhibits tumor growth and invasion by regulating TGF-β1 in hepatocellular carcinoma. BMC Cancer 2018; 18:1179. [PMID: 30486878 PMCID: PMC6264054 DOI: 10.1186/s12885-018-5016-z] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2017] [Accepted: 10/30/2018] [Indexed: 12/23/2022] Open
Abstract
Background The dysregulation of miR-663a is frequently observed in many human cancers. However, the functional role and precise mechanism of miR-663a have been controversial in hepatocellular carcinoma (HCC) and need to be studied in depth. Methods The expression of miR-663a was detected in human cell lines and HCC tissues by quantitative RT-PCR (qRT-PCR), and data from the Cancer Genome Atlas (TCGA). Cell proliferation was investigated using MTS, EdU, colony formation assays, and xenograft animal experiments, and the cell invasion capacity was evaluated using the transwell assay. The target gene of miR-663a was identified by qRT-PCR, Western blot, and dual-luciferase reporter assays. The clinicopathological features of miR-663a and the correlation between miR-663a and TGF-β1 expression were also investigated in the clinical samples of HCC. Results miR-663a was significantly downregulated in HCC cells relative to immortal normal liver cells, as indicated using qRT-PCR, and the lower expression of miR-663a was also confirmed in HCC tissue samples and the data from TCGA. The expression of miR-663a in HCC tissue samples was statistically significantly associated with size and the number of tumors. In addition, the upregulation of miR-663a inhibited the proliferation and invasion of HCC cells in vitro. Further study showed that miR-663a directly targeted transforming growth factor beta 1 (TGF-β1) to suppress HCC invasion, and that the inhibitory effect of miR-663a on cell invasion could be regulated by TGF-β1. In vivo studies showed that miR-663a significantly inhibited tumor growth. A negative correlation between miR-663a and TGF-β1 expression was also confirmed from the clinical samples of HCC. Conclusions miR-663a acts as a tumor suppressor and exerts a substantial role in inhibiting the proliferation, invasion, and tumorigenesis of HCC by regulating TGF-β1 in vitro and in vivo. These observations indicate that miR-663a may be a suitable diagnostic, therapeutic, and prognostic target for the treatment of HCC. Electronic supplementary material The online version of this article (10.1186/s12885-018-5016-z) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Chengshuo Zhang
- Hepatobiliary Surgery Department and Unit of Organ Transplantation, The First Hospital of China Medical University, 155#, Nanjingbei street, Heping district, Shenyang, Liaoning, People's Republic of China
| | - Baomin Chen
- Hepatobiliary Surgery Department, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, 510000, People's Republic of China
| | - Ao Jiao
- Hepatobiliary Surgery Department and Unit of Organ Transplantation, The First Hospital of China Medical University, 155#, Nanjingbei street, Heping district, Shenyang, Liaoning, People's Republic of China
| | - Feng Li
- Hepatobiliary Surgery Department and Unit of Organ Transplantation, The First Hospital of China Medical University, 155#, Nanjingbei street, Heping district, Shenyang, Liaoning, People's Republic of China
| | - Ning Sun
- Hepatobiliary Surgery Department and Unit of Organ Transplantation, The First Hospital of China Medical University, 155#, Nanjingbei street, Heping district, Shenyang, Liaoning, People's Republic of China
| | - Guoqing Zhang
- Hepatobiliary Surgery Department, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, People's Republic of China
| | - Jialin Zhang
- Hepatobiliary Surgery Department and Unit of Organ Transplantation, The First Hospital of China Medical University, 155#, Nanjingbei street, Heping district, Shenyang, Liaoning, People's Republic of China.
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Michaille JJ, Piurowski V, Rigot B, Kelani H, Fortman EC, Tili E. MiR-663, a MicroRNA Linked with Inflammation and Cancer That Is under the Influence of Resveratrol. MEDICINES 2018; 5:medicines5030074. [PMID: 29987196 PMCID: PMC6163211 DOI: 10.3390/medicines5030074] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 05/08/2018] [Revised: 07/04/2018] [Accepted: 07/05/2018] [Indexed: 12/25/2022]
Abstract
Resveratrol (trans-3,5,4′-trihydroxystilbene, RSV) is a non-flavonoid dietary polyphenol with antioxidant, anti-inflammatory and anti-cancer properties that is primarily found in red berries. While RSV displays many beneficial effects in vitro, its actual effects in vivo or in animal models remain passionately debated. Recent publications suggest that RSV pleiotropic effects could arise from its capability to regulate the expression and activity of microRNAs, short regulators themselves capable of regulating up to several hundreds of target genes. In particular, RSV increases microRNA miR-663 expression in different human cell lines, suggesting that at least some of its multiple beneficial properties are through the modulation of expression of this microRNA. Indeed, the expression of microRNA miR-663 is reduced in certain cancers where miR-663 is considered to act as a tumor suppressor gene, as well as in other pathologies such as cardiovascular disorders. Target of miR-663 include genes involved in tumor initiation and/or progression as well as genes involved in pathologies associated with chronic inflammation. Here, we review the direct and indirect effects of RSV on the expression of miR-663 and its target transcripts, with emphasise on TGFβ1, and their expected health benefits, and argue that elucidating the molecular effects of different classes of natural compounds on the expression of microRNAs should help to identify new therapeutic targets and design new treatments.
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Affiliation(s)
- Jean-Jacques Michaille
- BioPerox-IL, UB-INSERM IFR #100, Faculté Gabriel, Université de Bourgogne-Franche Comté, 21000 Dijon, France.
| | - Victoria Piurowski
- Department of Biology, Franklin College of Arts and Sciences, University of Georgia, Athes, GA 30602, USA.
| | - Brooke Rigot
- Department of Cancer Biology and Genetics, Wexner Medical Center, The Ohio State University, Columbus, OH 43210, USA.
| | - Hesham Kelani
- Department of Anesthesiology, Wexner Medical Center, The Ohio State University, Columbus, OH 43210, USA.
| | - Emily C Fortman
- Department of Anesthesiology, Wexner Medical Center, The Ohio State University, Columbus, OH 43210, USA.
| | - Esmerina Tili
- Department of Cancer Biology and Genetics, Wexner Medical Center, The Ohio State University, Columbus, OH 43210, USA.
- Department of Anesthesiology, Wexner Medical Center, The Ohio State University, Columbus, OH 43210, USA.
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Eukaryotic elongation factors 2 promotes tumor cell proliferation and correlates with poor prognosis in ovarian cancer. Tissue Cell 2018; 53:53-60. [PMID: 30060827 DOI: 10.1016/j.tice.2018.05.014] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2017] [Revised: 05/27/2018] [Accepted: 05/27/2018] [Indexed: 11/20/2022]
Abstract
Eukaryotic elongation factors 2 (eEF2) plays an essential role in the GTP-dependent translocation of the ribosome along mRNA. Previous studies have shown that eEF2 is overexpressed in various tumors. However, little is known about the role of eEF2 in ovarian cancer. The aim of the present study is to examine the effect of eEF2 on ovarian cancer proliferation. We first measured eEF2 protein expression by western blot using six fresh ovarian cancer tissues from G1 to G3. The results showed that eEF2 expression gradually increased from G1 to G3. Additionally, eEF2 expression correlated significantly with grade (P = 0.045), FIGO stage (P = 0.035) and Ki67 (P < 0.05). Additionally, there was a significant positive association between eEF2 expression and Ki67 (r = 0.855). Cox's proportional hazards model also showed that eEF2 (P = 0.004) and Ki67 (P < 0.001) were an independent prognostic factor of overall survival in ovarian cancer patients. In vitro, after the release of ovarian cancer cell line (HO8910) from serum starvation, the expression of eEF2, cyclinD1 and PCNA was up-regulated. Moreover, silencing eEF2 in HO8910 cells decreased cell proliferation. Finally, we hypothesize that eEF2 may be activated in a positive feedback cycle through inactivation of eEF2K via the PI3K/Akt/mTOR pathway. These data provide novel insights into developing experimental therapies for ovarian cancer.
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Regulatory role of resveratrol, a microRNA-controlling compound, in HNRNPA1 expression, which is associated with poor prognosis in breast cancer. Oncotarget 2018; 9:24718-24730. [PMID: 29872500 PMCID: PMC5973863 DOI: 10.18632/oncotarget.25339] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2017] [Accepted: 04/18/2018] [Indexed: 12/20/2022] Open
Abstract
Certain lifestyles, such as unhealthy eating habits, are associated with an increased risk for several diseases, including cancer. Recently, some naturally occurring compounds, such as resveratrol, have been shown to regulate microRNA (miRNA) expression in a positive manner; this regulatory activity is likely to be advantageous for cancer prevention and treatment. Resveratrol, a multi-functional polyphenolic phytoalexin, has been known to exert anti-tumorigenic and anti-inflammatory effects and to regulate miRNA expression. However, our understanding of the underlying molecular mechanisms whereby resveratrol controls cancer cell growth via the regulation of miRNA and oncogenic target gene expression to inhibit disease progression remains incomplete. Here we show that resveratrol controls breast cancer cell proliferation by inducing tumor-suppressive miRNAs (miR-34a, miR-424, and miR-503) via the p53 pathway and then by suppressing heterogeneous nuclear ribonucleoprotein A1 (HNRNPA1), which is associated with tumorigenesis and tumor progression. Notably, HNRNPA1 was directly regulated by miR-424 and miR-503, the expression of which were mediated by resveratrol. Moreover, we found that resveratrol exerts broad effects on the HNRNPA1-related pre-mRNA splicing pathway. Our data provide novel insights into the regulatory roles of resveratrol for preventing and treating of diseases.
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Regulation of Cell Signaling Pathways and miRNAs by Resveratrol in Different Cancers. Int J Mol Sci 2018; 19:ijms19030652. [PMID: 29495357 PMCID: PMC5877513 DOI: 10.3390/ijms19030652] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2018] [Revised: 02/08/2018] [Accepted: 02/25/2018] [Indexed: 12/13/2022] Open
Abstract
Genomic and proteomic studies have helped improve our understanding of the underlying mechanism(s) of cancer development and progression. Mutations, overexpressed oncogenes, inactivated/downregulated tumor suppressors, loss of apoptosis, and dysregulated signal transduction cascades are some of the well-studied areas of research. Resveratrol has gained considerable attention in the last two decades because of its pleiotropic anticancer activities. In this review, we have summarized the regulation of WNT, SHH (sonic hedgehog)/GLI (glioma-associated oncogene homolog), TGFβ1 (transforming growth factor beta 1)/SMAD, NOTCH, TRAIL (tumor necrosis factor-related apoptosis-inducing ligand), STAT (signal transducer and activator of transcription), and microRNAs by resveratrol in different cancers. The importance of these signaling pathways in cancer progression, along with their modulation by resveratrol, is discussed. Further, we also evaluate the mechanisms and implications of the downregulation of oncogenic miRNAs and the upregulation of tumor suppressor miRNAs by resveratrol, both of which also define its ability to inhibit tumor growth and metastasis. It is envisioned that designing effective clinical trials will be helpful for the identification of resveratrol responders and non-responders and the elucidation of how this phytochemical can be combined with current therapeutic options to improve their clinical efficacy and reduce off-target effects.
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38
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Kasiappan R, Rajarajan D. Role of MicroRNA Regulation in Obesity-Associated Breast Cancer: Nutritional Perspectives. Adv Nutr 2017; 8:868-888. [PMID: 29141971 PMCID: PMC5682994 DOI: 10.3945/an.117.015800] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Breast cancer is the most common malignancy diagnosed in women, and the incidence of breast cancer is increasing every year. Obesity has been identified as one of the major risk factors for breast cancer progression. The mechanisms by which obesity contributes to breast cancer development is not yet understood; however, there are a few mechanisms counted as potential producers of breast cancer in obesity, including insulin resistance, chronic inflammation and inflammatory cytokines, adipokines, and sex hormones. Recent emerging evidence suggests that alterations in microRNA (miRNA) expressions are found in several diseases, including breast cancer and obesity; however, miRNA roles in obesity-linked breast cancer are beginning to unravel. miRNAs are thought to be potential noninvasive biomarkers for diagnosis and prognosis of cancer patients with comorbid conditions of obesity as well as therapeutic targets. Recent studies have evidenced that nutrients and other dietary factors protect against cancer and obesity through modulation of miRNA expressions. Herein, we summarize a comprehensive overview of up-to-date information related to miRNAs and their molecular targets involved in obesity-associated breast cancer. We also address the mechanisms by which dietary factors modulate miRNA expression and its protective roles in obesity-associated breast cancer. It is hoped that this review would provide new therapeutic strategies for the treatment of obesity-associated breast cancer to reduce the burden of breast cancer.
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Affiliation(s)
- Ravi Kasiappan
- Department of Biochemistry, CSIR-Central Food Technological Research Institute, Mysore, Karnataka, India
| | - Dheeran Rajarajan
- Department of Biochemistry, CSIR-Central Food Technological Research Institute, Mysore, Karnataka, India
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Carden T, Singh B, Mooga V, Bajpai P, Singh KK. Epigenetic modification of miR-663 controls mitochondria-to-nucleus retrograde signaling and tumor progression. J Biol Chem 2017; 292:20694-20706. [PMID: 29066618 DOI: 10.1074/jbc.m117.797001] [Citation(s) in RCA: 51] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2017] [Revised: 10/03/2017] [Indexed: 01/20/2023] Open
Abstract
The normal cellular function requires communication between mitochondria and the nucleus, termed mitochondria-to-nucleus retrograde signaling. Disruption of this mechanism has been implicated in the development of cancers. Many proteins are known modulators of retrograde signaling, but whether microRNAs (miRNAs) are also involved is unknown. We conducted an miRNA microarray analysis using RNA from a parental cell line, a Rho0 line lacking mitochondrial DNA (mtDNA) and a Rho0 line with restored mtDNA. We found that miR-663 was down-regulated in the mtDNA-depleted Rho0 line. mtDNA restoration reversed this miRNA to parental level, suggesting that miR-663 may be epigenetically regulated by retrograde signaling. By using methylation-specific PCR and bisulfite sequencing we demonstrate that miR-663 promoter is epigenetically regulated not only by genetic but also by pharmacological disruption of oxidative phosphorylation (OXPHOS). Restoration of OXPHOS Complex I inhibitor-induced miR-663 expression by N-acetylcysteine suggested that reactive oxygen species (ROS) play a key role in epigenetic regulation of miR-663. We determined that miR-663 regulates the expression of nuclear-encoded respiratory chain subunits involved in Complexes I, II, III, and IV. miR-663 also controlled the expression of the Complexes I (NDUFAF1), II (SDHAF2), III (UQCC2), and IV (SCO1) assembly factors and was required for stability of respiratory supercomplexes. Furthermore, using luciferase assays, we found that miR-663 directly regulates UQCC2. The anti-miR-663 reduced OXPHOS complex activity and increased in vitro cellular proliferation and promoted tumor development in vivo in mice. We also found that increased miR-663 expression in breast tumors consistently correlates with increased patient survival. We provide the first evidence for miRNA controlling retrograde signaling, demonstrating its epigenetic regulation and its role in breast tumorigenesis.
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Affiliation(s)
| | | | | | | | - Keshav K Singh
- From the Departments of Genetics, .,Pathology, and.,Environmental Health Sciences.,Center for Free Radical Biology.,Center for Aging, and.,UAB Comprehensive Cancer Center, University of Alabama at Birmingham and.,Birmingham Veterans Affairs Medical Center, Birmingham, Alabama 35294
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40
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Hasanpourghadi M, Pandurangan AK, Mustafa MR. Modulation of oncogenic transcription factors by bioactive natural products in breast cancer. Pharmacol Res 2017; 128:376-388. [PMID: 28923544 DOI: 10.1016/j.phrs.2017.09.009] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/13/2017] [Revised: 09/11/2017] [Accepted: 09/14/2017] [Indexed: 12/17/2022]
Abstract
Carcinogenesis, a multi-step phenomenon, characterized by alterations at genetic level and affecting the main intracellular pathways controlling cell growth and development. There are growing number of evidences linking oncogenes to the induction of malignancies, especially breast cancer. Modulations of oncogenes lead to gain-of-function signals in the cells and contribute to the tumorigenic phenotype. These signals yield a large number of proteins that cause cell growth and inhibit apoptosis. Transcription factors such as STAT, p53, NF-κB, c-JUN and FOXM1, are proteins that are conserved among species, accumulate in the nucleus, bind to DNA and regulate the specific genes targets. Oncogenic transcription factors resulting from the mutation or overexpression following aberrant gene expression relay the signals in the nucleus and disrupt the transcription pattern. Activation of oncogenic transcription factors is associated with control of cell cycle, apoptosis, migration and cell differentiation. Among different cancer types, breast cancer is one of top ten cancers worldwide. There are different subtypes of breast cancer cell-lines such as non-aggressive MCF-7 and aggressive and metastatic MDA-MB-231 cells, which are identified with distinct molecular profile and different levels of oncogenic transcription factor. For instance, MDA-MB-231 carries mutated and overexpressed p53 with its abnormal, uncontrolled downstream signalling pathway that account for resistance to several anticancer drugs compared to MCF-7 cells with wild-type p53. Appropriate enough, inhibition of oncogenic transcription factors has become a potential target in discovery and development of anti-tumour drugs against breast cancer. Plants produce diverse amount of organic metabolites. Universally, these metabolites with biological activities are known as "natural products". The chemical structure and function of natural products have been studied since 1850s. Investigating these properties leaded to recognition of their molecular effects as anticancer drugs. Numerous natural products extracted from plants, fruits, mushrooms and mycelia, show potential inhibitory effects against several oncogenic transcription factors in breast cancer. Natural compounds that target oncogenic transcription factors have increased the number of candidate therapeutic agents. This review summarizes the current findings of natural products in targeting specific oncogenic transcription factors in breast cancer.
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Affiliation(s)
- Mohadeseh Hasanpourghadi
- Department of Pharmacology, Faculty of Medicine, University of Malaya, 50603, Kuala Lumpur, Malaysia
| | - Ashok Kumar Pandurangan
- Department of Pharmacology, Faculty of Medicine, University of Malaya, 50603, Kuala Lumpur, Malaysia
| | - Mohd Rais Mustafa
- Department of Pharmacology, Faculty of Medicine, University of Malaya, 50603, Kuala Lumpur, Malaysia; Centre for Natural Products Research and Drug Discovery, Department of Pharmacology, Faculty of Medicine, University of Malaya, 50603, Kuala Lumpur, Malaysia.
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41
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MicroRNA-744 promotes prostate cancer progression through aberrantly activating Wnt/β-catenin signaling. Oncotarget 2017; 8:14693-14707. [PMID: 28107193 PMCID: PMC5362436 DOI: 10.18632/oncotarget.14711] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2016] [Accepted: 01/09/2017] [Indexed: 12/21/2022] Open
Abstract
Accumulated evidence indicate that miR-744 functions as either tumor suppressor or oncogene in the progression of a variety of tumors, with a tumor type-specific way. However, little is known about how miR-744 impacts on the tumorigenesis of human prostate cancer. In this study, employing the analyses of microarray, qRT-PCR and re-analysis of MSKCC data, we found that CRPC tissues expressed much more miR-744 than ADPC tissues did, and the expression level of miR-744 was inversely associated with survival of CRPC patients. In vitro studies revealed that miR-744 promotes PCa cells proliferation, enhances migration, invasion; in vivo results demonstrated that silencing of miR-744 mediated by shRNA dramatically reduces PCa xenograft tumor growth. Importantly, through human gene expression array, pathway enrichment analysis and Western blot, we identified that miR-744 dramatically activated Wnt/β-catenin pathway by targeting multiple negative regulators of Wnt/β-catenin signaling, including SFRP1, GSK3β, TLE3 and NKD1. At molecular level, we further defined that NKD1 is a major functional target of miR-744. Our findings indicate that miR-744 acts as one of oncogenic factor in the progression of CRPC by recruiting a mechanism of aberrant activation of Wnt/β-catenin signaling.
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42
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Otsuka K, Yamamoto Y, Matsuoka R, Ochiya T. Maintaining good miRNAs in the body keeps the doctor away?: Perspectives on the relationship between food-derived natural products and microRNAs in relation to exosomes/extracellular vesicles. Mol Nutr Food Res 2017; 62. [PMID: 28594130 DOI: 10.1002/mnfr.201700080] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2017] [Revised: 05/24/2017] [Accepted: 05/26/2017] [Indexed: 12/21/2022]
Abstract
During the last decade, it has been uncovered that microRNAs (miRNAs), a class of small non-coding RNAs, are related to many diseases including cancers. With an increase in reports describing the dysregulation of miRNAs in various tumor types, it has become abundantly clear that miRNAs play significant roles in the formation and progression of cancers. Intriguingly, miRNAs are present in body fluids because they are packed in exosomes/extracellular vesicles and released from all types of cells. The miRNAs in the fluids are measured in a relatively simple way and the profile of miRNAs is likely to be an indicator of health condition. In recent years, various studies have demonstrated that some naturally occurring compounds can control tumor-suppressive and oncogenic miRNAs in a positive manner, suggesting that food-derived compounds could maintain the expression levels of miRNAs and help maintain good health. Therefore, our daily food and compounds in food are of great interest. In addition, exogenous diet-derived miRNAs have been indicated to function in the regulation of target mammalian transcripts in the body. These findings highlight the possibility of diet for good health through the regulation of miRNAs, and we also discuss the perspective of food application and health promotion.
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Affiliation(s)
- Kurataka Otsuka
- Division of Molecular and Cellular Medicine, National Cancer Center Research Institute, Chuo-ku, Tokyo, Japan.,R&D Division, Kewpie Corporation Sengawa Kewport, Tokyo, Japan
| | - Yusuke Yamamoto
- Division of Molecular and Cellular Medicine, National Cancer Center Research Institute, Chuo-ku, Tokyo, Japan
| | | | - Takahiro Ochiya
- Division of Molecular and Cellular Medicine, National Cancer Center Research Institute, Chuo-ku, Tokyo, Japan
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43
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Kim SY, Kawaguchi T, Yan L, Young J, Qi Q, Takabe K. Clinical Relevance of microRNA Expressions in Breast Cancer Validated Using the Cancer Genome Atlas (TCGA). Ann Surg Oncol 2017; 24:2943-2949. [PMID: 28766230 DOI: 10.1245/s10434-017-5984-2] [Citation(s) in RCA: 49] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2017] [Indexed: 01/06/2023]
Abstract
BACKGROUND MicroRNAs (miRNAs) play a critical role in the carcinogenesis and progression of breast cancer. MiRNA-205 has tumor suppressive properties, whereas miRNA-18a has both oncogenic and tumor suppressive roles. MiRNA-744's role in breast cancer is unknown but is tumor-suppressive in vitro. We hypothesize that high expression of all three miRNAs is associated with a better survival based on their known functions in breast cancer. METHODS All data was obtained from the Cancer Genome Atlas (TCGA). Expression patterns of miRNA-18a, miRNA-205, and miRNA-744 were retrieved from the Genomic Data Commons (GDC) data portal for analyses. After miRNA-specific thresholds were derived and used to group the patients into a high- or low-expression group, survival data was calculated by using the Cox proportional hazard model. Further subanalyses separating the patients based on receptor status and AJCC 7th edition TNM staging were similarly compared. RESULTS In total, 1,052 of 1,097 samples logged in TCGA had clinical data and miRNA-sequence datasets on the miRNAs of interest. High expression of miRNA-18a (p = 0.079), miRNA-205 (p = 0.034), and miRNA-744 (p = 0.0135) was associated with better survival. On subanalysis, estrogen receptor (ER)-positive, progesterone receptor (PR)-positive, and lymph node-negative disease had a statistically significant survival advantage with miRNA-18a, miRNA-205, and miRNA-744 high expression. CONCLUSIONS By utilizing a big dataset (TCGA) with sufficient statistical power, we found that high expression of miRNA-18a, miRNA-205, and miRNA-744 in the breast tumor samples were all associated with better overall survival in ER/PR-positive, lymph node-negative disease supporting their role as a tumor suppressor in breast cancer.
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Affiliation(s)
- Sara Y Kim
- Breast Surgery, Department of Surgical Oncology, Roswell Park Cancer Institute, Buffalo, NY, USA
| | - Tsutomu Kawaguchi
- Breast Surgery, Department of Surgical Oncology, Roswell Park Cancer Institute, Buffalo, NY, USA
| | - Li Yan
- Department of Biostatistics and Bioinformatics, Roswell Park Cancer Institute, Buffalo, NY, USA
| | - Jessica Young
- Breast Surgery, Department of Surgical Oncology, Roswell Park Cancer Institute, Buffalo, NY, USA
| | - Qianya Qi
- Department of Biostatistics and Bioinformatics, Roswell Park Cancer Institute, Buffalo, NY, USA
| | - Kazuaki Takabe
- Breast Surgery, Department of Surgical Oncology, Roswell Park Cancer Institute, Buffalo, NY, USA. .,Department of Surgery, University of Buffalo Jacobs School of Medicine and Biomedical Sciences, The State University of New York, Buffalo, NY, USA.
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44
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Novosylna O, Doyle A, Vlasenko D, Murphy M, Negrutskii B, El'skaya A. Comparison of the ability of mammalian eEF1A1 and its oncogenic variant eEF1A2 to interact with actin and calmodulin. Biol Chem 2017; 398:113-124. [PMID: 27483363 DOI: 10.1515/hsz-2016-0172] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2016] [Accepted: 07/26/2016] [Indexed: 11/15/2022]
Abstract
The question as to why a protein exerts oncogenic properties is answered mainly by well-established ideas that these proteins interfere with cellular signaling pathways. However, the knowledge about structural and functional peculiarities of the oncoproteins causing these effects is far from comprehensive. The 97.5% homologous tissue-specific A1 and A2 isoforms of mammalian translation elongation factor eEF1A represent an interesting model to study a difference between protein variants of a family that differ in oncogenic potential. We propose that the different oncogenic impact of A1 and A2 might be explained by differences in their ability to communicate with their respective cellular partners. Here we probed this hypothesis by studying the interaction of eEF1A with two known partners - calmodulin and actin. Indeed, an inability of the A2 isoform to interact with calmodulin is shown, while calmodulin is capable of binding A1 and interferes with its tRNA-binding and actin-bundling activities in vitro. Both A1 and A2 variants revealed actin-bundling activity; however, the form of bundles formed in the presence of A1 or A2 was distinctly different. Thus, a potential inability of A2 to be controlled by Ca2+-mediated regulatory systems is revealed.
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45
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Xie F, Yuan Y, Xie L, Ran P, Xiang X, Huang Q, Qi G, Guo X, Xiao C, Zheng S. miRNA-320a inhibits tumor proliferation and invasion by targeting c-Myc in human hepatocellular carcinoma. Onco Targets Ther 2017; 10:885-894. [PMID: 28243124 PMCID: PMC5317304 DOI: 10.2147/ott.s122992] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND Downregulated expression levels of microRNA-320a (miR-320a) were found in primary breast cancers and colorectal cancer. Previous findings indicated that miRNA-320a may involve in the cancer development. In this study, we explored the roles of miR-320a by targeting c-Myc in the tumor growth of hepatocellular carcinoma (HCC). METHODS Quantitative reverse-transcription polymerase chain reaction (qRT-PCR) was performed to detect the expression of miR-320a in 50 HCC tissues and four HCC cells. Luciferase reporter assay was conducted to confirm the direct downstream target of miR-320a in HEK-293 cells. The effect of miR-320a on endogenous c-Myc expression was investigated by transfecting miR-320a mimics into HepG2 and QGY-7703 cell lines. The c-Myc and miR-320a expressions were analyzed by immunohistochemistry (IHC) and qRT-PCR in the same HCC tissues. Furthermore, the biological functional correlation of miR-320a with c-Myc was determined by studying the effect of miR-320a mimics or c-Myc small interfering RNA (siRNA) on HCC cell proliferation and invasion. RESULTS The expression of miR-320a was downregulated in 50 HCC tissues and 4 HCC cells. Luciferase assay revealed that c-Myc is a direct target of miR-320a. IHC and Western blot analysis showed that the c-Myc expression was inhibited by miR-320a in HCC tissues and cell lines. Upregulation of miR-320a suppressed the HCC cell proliferation and invasion capacity induced by inhibiting c-Myc, and the results were consistent with the effects of c-Myc siRNA on tumor suppression. These results revealed that miRNA-320a inhibits tumor proliferation and invasion by targeting c-Myc in HCC cells. CONCLUSION Our results showed that miR-320a functions as a tumor suppressor in HCC. By targeting c-Myc directly, miR-320a inhibits the HCC cell growth. Our studies provide evidence of miR-320a as a potentially target for HCC treatment.
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Affiliation(s)
- Fei Xie
- School of Medicine, Yunnan University, Kunming, Yunnan
| | - Yuncang Yuan
- School of Medicine, Yunnan University, Kunming, Yunnan
| | - Luyang Xie
- Department of Stomatology, Shanghai Tenth People's Hospital, Shanghai
| | - Pengzhan Ran
- School of Medicine, Yunnan University, Kunming, Yunnan
| | - Xudong Xiang
- Department of Gastrointestinal Surgery, The Third Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, People's Republic of China
| | | | - Guoxiang Qi
- School of Medicine, Yunnan University, Kunming, Yunnan
| | - Xiaopeng Guo
- School of Medicine, Yunnan University, Kunming, Yunnan
| | - Chunjie Xiao
- School of Medicine, Yunnan University, Kunming, Yunnan
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Sayeed MA, Bracci M, Lazzarini R, Tomasetti M, Amati M, Lucarini G, Di Primio R, Santarelli L. Use of potential dietary phytochemicals to target miRNA: Promising option for breast cancer prevention and treatment? J Funct Foods 2017. [DOI: 10.1016/j.jff.2016.11.008] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
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47
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High expression of MAP7 predicts adverse prognosis in young patients with cytogenetically normal acute myeloid leukemia. Sci Rep 2016; 6:34546. [PMID: 27686215 PMCID: PMC5043276 DOI: 10.1038/srep34546] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2016] [Accepted: 09/15/2016] [Indexed: 12/20/2022] Open
Abstract
Microtubule-associated protein 7 (MAP7) plays an important role in cancer cells. In this study, we identified the prognostic significance of MAP7 expression in cytogenetically normal acute myeloid leukemia (CN-AML) patients (aged <60 years) based on several microarray datasets. In the first group (n = 129), high MAP7 expression (MAP7high) was associated with adverse overall survival (OS; P = 0.0441) and event-free survival (EFS; P = 0.0114) compared with low MAP7 expression (MAP7low). In addition, the prognostic significance of MAP7 was confirmed by European Leukemia Net (ELN) intermediate-I genetic categories and multivariable analysis. In the second independent group of CN-AML patients (aged <60 years), MAP7high was also associated with adverse OS (n = 88, OS; P = 0.00811). To understand the inherent mechanisms of MAP7's prognosis, we investigated genome-wide gene/microRNA expression signatures associated with MAP7 expression. Several known oncogenic genes/microRNAs and anti-oncogenic genes/microRNAs were disordered in MAP7high CN-AML patients. In conclusion, MAP7high is an adverse prognostic biomarker for CN-AML, which may be attributed to the distinctive genome-wide gene/microRNA expression and related cell signaling pathways.
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48
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Increased Serum Level of MicroRNA-663 Is Correlated with Poor Prognosis of Patients with Nasopharyngeal Carcinoma. DISEASE MARKERS 2016; 2016:7648215. [PMID: 27667893 PMCID: PMC5030438 DOI: 10.1155/2016/7648215] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/10/2016] [Revised: 07/31/2016] [Accepted: 08/10/2016] [Indexed: 02/06/2023]
Abstract
MicroRNAs (miRs) play crucial roles in the carcinogenesis and malignant progression of human cancers including nasopharyngeal carcinoma (NPC). In this study, we aimed to investigate the association of serum miR-663 levels with the clinical factors and prognosis of NPC patients. Real-time PCR was performed to examine the amount of miR-663 in serum in NPC patients and healthy controls. Our data showed that the amount of miR-663 in serum was significantly higher in NPC patients than in healthy controls. Moreover, the serum levels of miR-663 were significantly correlated with the grade, lymph node metastasis, and clinical stage of NPC. Furthermore, higher serum miR-663 levels were closely associated with worse 5-year overall survival (OS) and relapse-free survival (RFS) of patients with NPC, and the serum level of miR-663 was found to be an independent predicator for the prognosis of NPC. In addition, after receiving chemoradiotherapy, the serum levels of miR-663 were significantly reduced in NPC patients. In summary, miR-663 was upregulated in the serum of NPC patients, which was downregulated after chemoradiotherapy, and its increased levels were closely associated with malignant progression and poor prognosis in NPC patients. Therefore, the amount of miR-663 in serum may become a potential predicator for the clinical outcome of NPC patients.
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49
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Biersack B. Current state of phenolic and terpenoidal dietary factors and natural products as non-coding RNA/microRNA modulators for improved cancer therapy and prevention. Noncoding RNA Res 2016; 1:12-34. [PMID: 30159408 PMCID: PMC6096431 DOI: 10.1016/j.ncrna.2016.07.001] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2016] [Revised: 07/20/2016] [Accepted: 07/20/2016] [Indexed: 02/06/2023] Open
Abstract
The epigenetic regulation of cancer cells by small non-coding RNA molecules, the microRNAs (miRNAs), has raised particular interest in the field of oncology. These miRNAs play crucial roles concerning pathogenic properties of cancer cells and the sensitivity of cancer cells towards anticancer drugs. Certain miRNAs are responsible for an enhanced activity of drugs, while others lead to the formation of tumor resistance. In addition, miRNAs regulate survival and proliferation of cancer cells, in particular of cancer stem-like cells (CSCs), that are especially drug-resistant and, thus, cause tumor relapse in many cases. Various small molecule compounds were discovered that target miRNAs that are known to modulate tumor aggressiveness and drug resistance. This review comprises the effects of naturally occurring small molecules (phenolic compounds and terpenoids) on miRNAs involved in cancer diseases.
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Key Words
- 1,25-D, 1,25-dihydroxyvitamin D3
- 18-AGA, 18α-glycyrrhetinic acid
- 3,6-DHF, 3,6-dihydroxyflavone
- AKBA, 3-acetyl-11-keto-β-boswellic acid
- Anticancer drugs
- CAPE, caffeic acid phenethyl ester
- CDODA-Me, methyl 2-cyano-3,11-dioxo-18β-olean-1,12-dien-30-oate
- Dox, doxorubicin
- EGCG, (−)-epigallocatechin-3-O-gallate
- MicroRNA
- PEG, polyethylene glycol
- PPAP, polycyclic polyprenylated acylphloroglucinol
- Polyphenols
- RA, retinoic acid
- ROS, reactive oxygen species
- TQ, thymoquinone
- Terpenes
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Affiliation(s)
- Bernhard Biersack
- Organic Chemistry Laboratory, University of Bayreuth, Universitätsstraße 30, 95447 Bayreuth, Germany
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How Diet Intervention via Modulation of DNA Damage Response through MicroRNAs May Have an Effect on Cancer Prevention and Aging, an in Silico Study. Int J Mol Sci 2016; 17:ijms17050752. [PMID: 27213347 PMCID: PMC4881573 DOI: 10.3390/ijms17050752] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2016] [Revised: 04/29/2016] [Accepted: 05/09/2016] [Indexed: 12/11/2022] Open
Abstract
The DNA damage response (DDR) is a molecular mechanism that cells have evolved to sense DNA damage (DD) to promote DNA repair, or to lead to apoptosis, or cellular senescence if the damage is too extensive. Recent evidence indicates that microRNAs (miRs) play a critical role in the regulation of DDR. Dietary bioactive compounds through miRs may affect activity of numerous genes. Among the most studied bioactive compounds modulating expression of miRs are epi-gallocatechin-3-gallate, curcumin, resveratrol and n3-polyunsaturated fatty acids. To compare the impact of these dietary compounds on DD/DDR network modulation, we performed a literature search and an in silico analysis by the DIANA-mirPathv3 software. The in silico analysis allowed us to identify pathways shared by different miRs involved in DD/DDR vis-à-vis the specific compounds. The results demonstrate that certain miRs (e.g., -146, -21) play a central role in the interplay among DD/DDR and the bioactive compounds. Furthermore, some specific pathways, such as "fatty acids biosynthesis/metabolism", "extracellular matrix-receptor interaction" and "signaling regulating the pluripotency of stem cells", appear to be targeted by most miRs affected by the studied compounds. Since DD/DDR and these pathways are strongly related to aging and carcinogenesis, the present in silico results of our study suggest that monitoring the induction of specific miRs may provide the means to assess the antiaging and chemopreventive properties of particular dietary compounds.
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