101
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Camerlingo R, Miceli R, Marra L, Rea G, D’Agnano I, Nardella M, Montella R, Morabito A, Normanno N, Tirino V, Rocco G. Conditioned medium of primary lung cancer cells induces EMT in A549 lung cancer cell line by TGF-ß1 and miRNA21 cooperation. PLoS One 2019; 14:e0219597. [PMID: 31344049 PMCID: PMC6657837 DOI: 10.1371/journal.pone.0219597] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2018] [Accepted: 06/27/2019] [Indexed: 01/04/2023] Open
Abstract
The epithelial-mesenchymal transition (EMT) plays a key role in tumor progression, drug resistance and metastasis. Recently, numerous microRNA (miRNA) have been described to regulate EMT in tumor progression. In this study, we found that conditioned medium from the LC212 non-small-cell lung cancer (NSCLC) cell line (LC212-CM) induces morphological changes and overexpression of Vimentin, CD90, SMAD 2/3, SLUG and TWIST in A549 NSCLC cells, consistent with a mesenchymal phenotype. To identify the soluble mediators in LC212-CM involved in this phenomenon, we performed miRNA profiling and TGF-β1 quantification. We found that LC212-CM contains high levels of TGF-β1 as well as different secreted miRNAs. We focused our attention on Homo sapiens-microRNA21 (hsa-miR21), one of most relevant miRNA associated with lung cancer progression, metastasis and EMT. An hsa-miR21 antagomiR was able to prevent the LC212-CM-induced EMT phenotype in A549 cells. Furthermore, we found that TGF-β1 and hsa-miR21 cooperate in the induction of EMT in A549 cells. Intriguingly, TGF-β1 was found to induce hsa-miR21 expression in A549 cell, thus suggesting that the hsa-miR21 mediates at least in part the pro-EMT effects of TGF-β1. In conclusion, hsa-miR21 and TGF-β1 are involved in autocrine and paracrine circuits that regulate the EMT status of lung cancer cells.
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Affiliation(s)
- Rosa Camerlingo
- SC Cell Biology and Biotherapy, Istituto Nazionale Tumori IRCCS, Fondazione G. Pascale, Naples, Italy
| | | | - Laura Marra
- SC Cell Biology and Biotherapy, Istituto Nazionale Tumori IRCCS, Fondazione G. Pascale, Naples, Italy
| | - Giuseppina Rea
- Molecular Immunology and Immunoregulation, Istituto Nazionale Tumori IRCCS, Fondazione G. Pascale, Naples, Italy
| | - Igea D’Agnano
- Institute of Cell Biology and Neurobiology-CNR, Monterotondo, Rome, Italy
- Institute for Biomedical Technologies-CNR, Segrate, Milan, Italy
| | - Marta Nardella
- Department of Neurosciences, Unit of Neuromuscular and Neurodegenerative Disorders, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy
| | - Roberta Montella
- Department of Experimental Medicine, Section of Biotechnology, Medical Histology and Molecular Biology, University of Campania “L. Vanvitelli”, Naples, Italy
| | - Alessandro Morabito
- Thoracic Medical Oncology, Istituto Nazionale Tumori IRCCS, Fondazione G. Pascale Naples, Italy
| | - Nicola Normanno
- SC Cell Biology and Biotherapy, Istituto Nazionale Tumori IRCCS, Fondazione G. Pascale, Naples, Italy
- * E-mail:
| | - Virginia Tirino
- Department of Experimental Medicine, Section of Biotechnology, Medical Histology and Molecular Biology, University of Campania “L. Vanvitelli”, Naples, Italy
| | - Gaetano Rocco
- Thoracic Service, Department of Surgery, Memorial Sloan-Kettering Cancer Center, NY, United States of America
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102
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MicroRNA targeting by quercetin in cancer treatment and chemoprotection. Pharmacol Res 2019; 147:104346. [PMID: 31295570 DOI: 10.1016/j.phrs.2019.104346] [Citation(s) in RCA: 58] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/30/2019] [Revised: 07/05/2019] [Accepted: 07/05/2019] [Indexed: 02/08/2023]
Abstract
A growing number of evidences from clinical and preclinical studies have shown that dysregulation of microRNA (miRNA) function contributes to the progression of cancer and thus miRNA can be an effective target in therapy. Dietary phytochemicals, such as quercetin, are natural products that have potential anti-cancer properties due to their proven antioxidant, anti-inflammatory, and anti-proliferative effects. Available experimental studies indicate that quercetin could modulate multiple cancer-relevant miRNAs including let-7, miR-21, miR-146a and miR-155, thereby inhibiting cancer initiation and development. This paper reviews the data supporting the use of quercetin for miRNA-mediated chemopreventive and therapeutic strategies in various cancers, with the aim to comprehensively understand its health-promoting benefits and pharmacological potential. Integration of technology platforms for miRNAs biomarker and drug discovery is also presented.
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103
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Why the Gold Standard Approach by Mammography Demands Extension by Multiomics? Application of Liquid Biopsy miRNA Profiles to Breast Cancer Disease Management. Int J Mol Sci 2019; 20:ijms20122878. [PMID: 31200461 PMCID: PMC6627787 DOI: 10.3390/ijms20122878] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2019] [Revised: 06/07/2019] [Accepted: 06/11/2019] [Indexed: 02/06/2023] Open
Abstract
In the global context, the epidemic of breast cancer (BC) is evident for the early 21st century. Evidence shows that national mammography screening programs have sufficiently reduced BC related mortality. Therefore, the great utility of the mammography-based screening is not an issue. However, both false positive and false negative BC diagnosis, excessive biopsies, and irradiation linked to mammography application, as well as sub-optimal mammography-based screening, such as in the case of high-dense breast tissue in young females, altogether increase awareness among the experts regarding the limitations of mammography-based screening. Severe concerns regarding the mammography as the “golden standard” approach demanding complementary tools to cover the evident deficits led the authors to present innovative strategies, which would sufficiently improve the quality of the BC management and services to the patient. Contextually, this article provides insights into mammography deficits and current clinical data demonstrating the great potential of non-invasive diagnostic tools utilizing circulating miRNA profiles as an adjunct to conventional mammography for the population screening and personalization of BC management.
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104
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Natarajan L, Pu M, Davies SR, Vickery TL, Nelson SH, Pittman E, Parker BA, Ellis MJ, Flatt SW, Mardis ER, Marinac CR, Pierce JP, Messer K. miRNAs and Long-term Breast Cancer Survival: Evidence from the WHEL Study. Cancer Epidemiol Biomarkers Prev 2019; 28:1525-1533. [PMID: 31186261 DOI: 10.1158/1055-9965.epi-18-1322] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2018] [Revised: 02/22/2019] [Accepted: 06/06/2019] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND There is substantial variation in breast cancer survival rates, even among patients with similar clinical and genomic profiles. New biomarkers are needed to improve risk stratification and inform treatment options. Our aim was to identify novel miRNAs associated with breast cancer survival and quantify their prognostic value after adjusting for established clinical factors and genomic markers. METHODS Using the Women's Healthy Eating and Living (WHEL) breast cancer cohort with >15 years of follow-up and archived tumor specimens, we assayed PAM50 mRNAs and 25 miRNAs using the Nanostring nCounter platform. RESULTS We obtained high-quality reads on 1,253 samples (75% of available specimens) and used an existing research-use algorithm to ascertain PAM50 subtypes and risk scores (ROR-PT). We identified miRNAs significantly associated with breast cancer outcomes and then tested these in independent TCGA samples. miRNAs that were also prognostic in TCGA samples were further evaluated in multiple regression Cox models. We also used penalized regression for unbiased discovery. CONCLUSIONS Two miRNAs, 210 and 29c, were associated with breast cancer outcomes in the WHEL and TCGA studies and further improved risk stratification within PAM50 risk groups: 10-year survival was 62% in the node-negative high miR-210-high ROR-PT group versus 75% in the low miR-210- high ROR-PT group. Similar results were obtained for miR-29c. We identified three additional miRNAs, 187-3p, 143-3p, and 205-5p, via penalized regression. IMPACT Our findings suggest that miRNAs might be prognostic for long-term breast cancer survival and might improve risk stratification. Further research to incorporate miRNAs into existing clinicogenomic signatures is needed.
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Affiliation(s)
- Loki Natarajan
- Department of Family Medicine and Public Health, University of California, San Diego, La Jolla, California. .,Moores Cancer Center, University of California, San Diego, La Jolla, California
| | - Minya Pu
- Moores Cancer Center, University of California, San Diego, La Jolla, California
| | - Sherri R Davies
- Department of Medicine, Washington University in St. Louis, St. Louis, Missouri
| | - Tammi L Vickery
- McDonnell Genome Institute, Washington University in St. Louis, St. Louis, Missouri
| | - Sandahl H Nelson
- Department of Family Medicine and Public Health, University of California, San Diego, La Jolla, California
| | - Emily Pittman
- Moores Cancer Center, University of California, San Diego, La Jolla, California
| | - Barbara A Parker
- Moores Cancer Center, University of California, San Diego, La Jolla, California.,Department of Medicine, University of California, San Diego, La Jolla, California
| | - Matthew J Ellis
- Baylor College of Medicine, Lester and Sue Smith Breast Center, Houston, Texas
| | - Shirley W Flatt
- Moores Cancer Center, University of California, San Diego, La Jolla, California
| | - Elaine R Mardis
- Institute for Genomic Medicine, Nationwide Children's Hospital, Columbus, Ohio
| | - Catherine R Marinac
- Division of Population Sciences, Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts.,Department of Epidemiology, T.H. Chan School of Public Health, Harvard University, Boston, Massachusetts
| | - John P Pierce
- Department of Family Medicine and Public Health, University of California, San Diego, La Jolla, California.,Moores Cancer Center, University of California, San Diego, La Jolla, California
| | - Karen Messer
- Department of Family Medicine and Public Health, University of California, San Diego, La Jolla, California.,Moores Cancer Center, University of California, San Diego, La Jolla, California
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105
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Cui Y, Wang J, Liu S, Qu D, Jin H, Zhu L, Yang J, Zhang J, Li Q, Zhang Y, Yao Y. miR‐216a promotes breast cancer cell apoptosis by targeting
PKC
α. Fundam Clin Pharmacol 2019; 33:397-404. [PMID: 31119784 DOI: 10.1111/fcp.12481] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2018] [Revised: 04/22/2019] [Accepted: 05/10/2019] [Indexed: 12/28/2022]
Affiliation(s)
- Ying Cui
- Department of Radiation Oncology Harbin Medical University Cancer Hospital Heilongjiang 150081 China
| | - Jinghao Wang
- Department of Pharmacy the First Affiliated Hospital Jinan University Guangzhou 510630 China
| | - Shanshan Liu
- Department of Radiation Oncology Harbin Medical University Cancer Hospital Heilongjiang 150081 China
| | - Di Qu
- Department of Medical Oncology the Second Affiliated Hospital of Harbin Medical University Heilongjiang 150086 China
| | - Hong Jin
- Department of Gynecology Harbin Medical University Cancer Hospital Heilongjiang 150081 China
| | - Lin Zhu
- Department of Radiation Oncology Harbin Medical University Cancer Hospital Heilongjiang 150081 China
| | - Jiani Yang
- Department of Medical Oncology Harbin Medical University Cancer Hospital Heilongjiang 150081China
| | - Jingchun Zhang
- Department of Medical Oncology Harbin Medical University Cancer Hospital Heilongjiang 150081China
| | - Qingwei Li
- Department of Medical Oncology Harbin Medical University Cancer Hospital Heilongjiang 150081China
| | - Yanqiao Zhang
- Department of Medical Oncology Harbin Medical University Cancer Hospital Heilongjiang 150081China
| | - Yuanfei Yao
- Department of Medical Oncology Harbin Medical University Cancer Hospital Heilongjiang 150081China
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106
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Bukauskas T, Mickus R, Cereskevicius D, Macas A. Value of Serum miR-23a, miR-30d, and miR-146a Biomarkers in ST-Elevation Myocardial Infarction. Med Sci Monit 2019; 25:3925-3932. [PMID: 31130720 PMCID: PMC6556071 DOI: 10.12659/msm.913743] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2018] [Accepted: 01/11/2019] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND The aim of this study was to analyze the relative expression level of miR-30d-5p, miR-23a-3p, and miR-146a-5p, and to comprehensively assess the diagnostic and predictive possibilities of these miRNAs. Their expression changes have not yet been sufficiently investigated during acute myocardial infarction. Therefore, it is important to comprehensively assess the diagnostic and predictive possibilities of these micro-ribonucleic acids (miRNAs). MATERIAL AND METHODS Random patients with ST‑elevated myocardial infarction (STEMI) were enrolled into the study group. The control group was comprised of patients with no inflammation or ischemic heart disease who were hospitalized for minor elective surgery. The relative expression level for each miRNA was determined by reverse transcription quantitative polymerase chain reaction (RT-qPCR)-analysis. RESULTS There were 88 participants enrolled into the study: 62 patients were diagnosed with STEMI and there were 26 healthy controls. Expressions of miR-30d-5p, miR-146a-5p, and miR-23a-3p were respectively 1.581-fold, 4.048-fold, and 4.857-fold lower in patients with STEMI compared to the control group patients (all P values were <0.001). Downregulation of miR-23a-3p was significantly negatively correlated with risk scores of GRACE (Global Registry of Acute Coronary Events) and APACHE II (Acute Physiology and Chronic Health Evaluation II). MiR-23a-3p was a fair predictor for STEMI: area under the curve (AUC)=0.806. Cox regression analysis revealed that expression levels of analyzed miRNAs were not significantly associated with negative endpoints at 1 month after the onset of STEMI. CONCLUSIONS All investigated miRNAs were differentially expressed when comparing patients with STEMI and control group individuals. The evaluation of miR-23a-3p expression levels in serum could be useful to assess the severity of STEMI and as a potential diagnostic biomarker of this condition. In addition, miR-23a-3p may provide limited short-term prognostic value for STEMI patients.
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Affiliation(s)
- Tomas Bukauskas
- Department of Anesthesiology, Lithuanian University of Health Sciences, Kaunas, Lithuania
| | - Rytis Mickus
- Medical Academy, Lithuanian University of Health Sciences, Kaunas, Lithuania
| | - Darius Cereskevicius
- Department of Genetics and Molecular Medicine, Lithuanian University of Health Sciences, Kaunas, Lithuania
| | - Andrius Macas
- Department of Anesthesiology, Lithuanian University of Health Sciences, Kaunas, Lithuania
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107
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Samec M, Liskova A, Kubatka P, Uramova S, Zubor P, Samuel SM, Zulli A, Pec M, Bielik T, Biringer K, Kudela E, Benacka J, Adamek M, Rodrigo L, Ciccocioppo R, Kwon TK, Baranenko D, Kruzliak P, Büsselberg D. The role of dietary phytochemicals in the carcinogenesis via the modulation of miRNA expression. J Cancer Res Clin Oncol 2019; 145:1665-1679. [PMID: 31127362 DOI: 10.1007/s00432-019-02940-0] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2019] [Accepted: 05/20/2019] [Indexed: 12/15/2022]
Abstract
PURPOSE Phytochemicals are naturally occurring plant-derived compounds and some of them have the potential to serve as anticancer drugs. Based on recent evidence, aberrantly regulated expression of microRNAs (miRNAs) is closely associated with malignancy. MicroRNAs are characterized as small non-coding RNAs functioning as posttranscriptional regulators of gene expression. Accordingly, miRNAs regulate various target genes, some of which are involved in the process of carcinogenesis. RESULTS This comprehensive review emphasizes the anticancer potential of phytochemicals, either isolated or in combination, mediated by miRNAs. The ability to modulate the expression of miRNAs demonstrates their importance as regulators of tumorigenesis. Phytochemicals as anticancer agents targeting miRNAs are widely studied in preclinical in vitro and in vivo research. Unfortunately, their anticancer efficacy in targeting miRNAs is less investigated in clinical research. CONCLUSIONS Significant anticancer properties of phytochemicals as regulators of miRNA expression have been proven, but more studies investigating their clinical relevance are needed.
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Affiliation(s)
- Marek Samec
- Clinic of Obstetrics and Gynecology, Jessenius Faculty of Medicine, Comenius University in Bratislava, Martin, Slovakia
| | - Alena Liskova
- Clinic of Obstetrics and Gynecology, Jessenius Faculty of Medicine, Comenius University in Bratislava, Martin, Slovakia
| | - Peter Kubatka
- Department of Medical Biology, Jessenius Faculty of Medicine, Comenius University in Bratislava, Mala Hora 4, 03601, Martin, Slovak Republic.
- Division of Oncology, Department of Experimental Carcinogenesis, Jessenius Faculty of Medicine, Biomedical Center Martin, Comenius University in Bratislava, Martin, Slovakia.
| | - Sona Uramova
- Division of Oncology, Department of Experimental Carcinogenesis, Jessenius Faculty of Medicine, Biomedical Center Martin, Comenius University in Bratislava, Martin, Slovakia
| | - Pavol Zubor
- Clinic of Obstetrics and Gynecology, Jessenius Faculty of Medicine, Comenius University in Bratislava, Martin, Slovakia
| | - Samson Mathews Samuel
- Department of Physiology and Biophysics, Weill Cornell Medicine-Qatar, Education City, Qatar Foundation, P.O. Box 24144, Doha, Qatar
| | - Anthony Zulli
- Institute for Health and Sport, Victoria University, Melbourne, Australia
| | - Martin Pec
- Department of Medical Biology, Jessenius Faculty of Medicine, Comenius University in Bratislava, Mala Hora 4, 03601, Martin, Slovak Republic
| | - Tibor Bielik
- Clinic of Obstetrics and Gynecology, Jessenius Faculty of Medicine, Comenius University in Bratislava, Martin, Slovakia
| | - Kamil Biringer
- Clinic of Obstetrics and Gynecology, Jessenius Faculty of Medicine, Comenius University in Bratislava, Martin, Slovakia
| | - Erik Kudela
- Clinic of Obstetrics and Gynecology, Jessenius Faculty of Medicine, Comenius University in Bratislava, Martin, Slovakia
| | - Jozef Benacka
- Faculty of Health Science and Social Work, Trnava University, Trnava, Slovakia
| | - Mariusz Adamek
- Department of Thoracic Surgery, Faculty of Medicine and Dentistry, Medical University of Silesia, Katowice, Poland
| | - Luis Rodrigo
- Faculty of Medicine, Central University Hospital of Asturias (HUCA), University of Oviedo, Oviedo, Spain
| | - Rachele Ciccocioppo
- Gastroenterology Unit, Department of Medicine, AOUI Policlinico G.B. Rossi, University of Verona, Verona, Italy
| | - Taeg Kyu Kwon
- Department of Immunology, School of Medicine, Keimyung University, Dalseo-Gu, Daegu, Korea
| | - Denis Baranenko
- International Research Centre "Biotechnologies of the Third Millennium", ITMO University, Saint-Petersburg, Russian Federation
| | - Peter Kruzliak
- 2nd Department of Surgery, Faculty of Medicine, Masaryk University and St. Anne's University Hospital, Brno, Czech Republic.
- Department of Internal Medicine, Brothers of Mercy Hospital, Polni 553/3, 63900, Brno, Czech Republic.
| | - Dietrich Büsselberg
- Department of Physiology and Biophysics, Weill Cornell Medicine-Qatar, Education City, Qatar Foundation, P.O. Box 24144, Doha, Qatar.
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108
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Gene Expression and miRNAs Profiling: Function and Regulation in Human Epidermal Growth Factor Receptor 2 (HER2)-Positive Breast Cancer. Cancers (Basel) 2019; 11:cancers11050646. [PMID: 31083383 PMCID: PMC6562440 DOI: 10.3390/cancers11050646] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2019] [Revised: 05/06/2019] [Accepted: 05/08/2019] [Indexed: 02/06/2023] Open
Abstract
Breast cancer is the second most common cause of cancer-related deaths among women worldwide. It is a heterogeneous disease with four major molecular subtypes. One of the subtypes, human epidermal growth factor receptor 2 (HER2)-enriched (HER2-positive) is characterized by the absence of estrogen and progesterone receptors and overexpression of HER2 receptor, and accounts for 15–20% of all breast cancers. Despite the anti-HER2 and cytotoxic chemotherapy, HER2 subtype is an aggressive disease with significant mortality. Recent advances in molecular biology techniques, including gene expression profiling, proteomics, and microRNA analysis, have been extensively used to explore the underlying mechanisms behind human breast carcinogenesis and metastasis including HER2-positive breast cancer, paving the way for developing new targeted therapies. This review focuses on recent advances on gene expression and miRNA status in HER2-positive breast cancer.
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109
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Validation of miRNAs as Breast Cancer Biomarkers with a Machine Learning Approach. Cancers (Basel) 2019; 11:cancers11030431. [PMID: 30917548 PMCID: PMC6468888 DOI: 10.3390/cancers11030431] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2019] [Revised: 03/19/2019] [Accepted: 03/20/2019] [Indexed: 02/07/2023] Open
Abstract
Certain small noncoding microRNAs (miRNAs) are differentially expressed in normal tissues and cancers, which makes them great candidates for biomarkers for cancer. Previously, a selected subset of miRNAs has been experimentally verified to be linked to breast cancer. In this paper, we validated the importance of these miRNAs using a machine learning approach on miRNA expression data. We performed feature selection, using Information Gain (IG), Chi-Squared (CHI2) and Least Absolute Shrinkage and Selection Operation (LASSO), on the set of these relevant miRNAs to rank them by importance. We then performed cancer classification using these miRNAs as features using Random Forest (RF) and Support Vector Machine (SVM) classifiers. Our results demonstrated that the miRNAs ranked higher by our analysis had higher classifier performance. Performance becomes lower as the rank of the miRNA decreases, confirming that these miRNAs had different degrees of importance as biomarkers. Furthermore, we discovered that using a minimum of three miRNAs as biomarkers for breast cancers can be as effective as using the entire set of 1800 miRNAs. This work suggests that machine learning is a useful tool for functional studies of miRNAs for cancer detection and diagnosis.
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110
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Gupta I, Sareyeldin RM, Al-Hashimi I, Al-Thawadi HA, Al Farsi H, Vranic S, Al Moustafa AE. Triple Negative Breast Cancer Profile, from Gene to microRNA, in Relation to Ethnicity. Cancers (Basel) 2019; 11:cancers11030363. [PMID: 30871273 PMCID: PMC6468678 DOI: 10.3390/cancers11030363] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2019] [Revised: 03/01/2019] [Accepted: 03/06/2019] [Indexed: 12/15/2022] Open
Abstract
Breast cancer is the most frequent cause of cancer-related deaths among women worldwide. It is classified into four major molecular subtypes. Triple-negative breast cancers (TNBCs), a subgroup of breast cancer, are defined by the absence of estrogen and progesterone receptors and the lack of HER-2 expression; this subgroup accounts for ~15% of all breast cancers and exhibits the most aggressive metastatic behavior. Currently, very limited targeted therapies exist for the treatment of patients with TNBCs. On the other hand, it is important to highlight that knowledge of the molecular biology of breast cancer has recently changed the decision-making process regarding the course of cancer therapies. Thus, a number of new techniques, such as gene profiling and sequencing, proteomics, and microRNA analysis have been used to explore human breast carcinogenesis and metastasis including TNBC, which consequently could lead to new therapies. Nevertheless, based on evidence thus far, genomics profiles (gene and miRNA) can differ from one geographic location to another as well as in different ethnic groups. This review provides a comprehensive and updated information on the genomics profile alterations associated with TNBC pathogenesis associated with different ethnic backgrounds.
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Affiliation(s)
- Ishita Gupta
- College of Medicine, Qatar University, Doha P. O. Box:2713, Qatar.
| | | | - Israa Al-Hashimi
- College of Medicine, Qatar University, Doha P. O. Box:2713, Qatar.
| | | | - Halema Al Farsi
- College of Medicine, Qatar University, Doha P. O. Box:2713, Qatar.
| | - Semir Vranic
- College of Medicine, Qatar University, Doha P. O. Box:2713, Qatar.
| | - Ala-Eddin Al Moustafa
- College of Medicine, Qatar University, Doha P. O. Box:2713, Qatar.
- Biomedical Research Centre, Qatar University, Doha P.O Box: 2713, Qatar.
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111
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Rajarajan D, Selvarajan S, Charan Raja MR, Kar Mahapatra S, Kasiappan R. Genome-wide analysis reveals miR-3184-5p and miR-181c-3p as a critical regulator for adipocytes-associated breast cancer. J Cell Physiol 2019; 234:17959-17974. [PMID: 30847933 DOI: 10.1002/jcp.28428] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2018] [Revised: 02/03/2019] [Accepted: 02/14/2019] [Indexed: 12/14/2022]
Abstract
Obesity is considered as an independent risk factor for breast cancer (BCa) and plays a major role in the breast tumor microenvironment. The etiology and mechanisms by which obesity contributes to BCa development is not yet understood. Herein, we show that in vitro coculture of BCa cells with mature adipocytes (MA-BCa) increased proliferation, migration, and invasive phenotype of BCa cells. MA-BCa coculture led to increased production of proinflammatory cytokines and chemokines. To identify microRNAs (miRNAs) in BCa cells that are modulated by the presence of adipocytes, we used small RNA sequencing analysis. Sequencing data revealed that 98 miRNAs were differentially expressed in MA-BCa. Among them, miR-3184-5p and miR-181c-3p were found to be the most upregulated and downregulated miRNAs, and direct targets are FOXP4 and PPARα, respectively. In vitro functional assays using a combination of miR-3184-5p inhibitor and miR-181c-3p mimic synergistically decreased adipocytes-induced cell proliferation and invasive capacity of BCa cells. Gene Set Enrichment analysis indicated that transcription factors were highly enriched followed by protein kinases, oncogene, and protein regulators in MA-BCa. GeneGo Metacore pathway analysis uncovered "NOTCH-induced EMT pathway" was found to be the most abundant in MA-BCa. Consistently, epithelial-mesenchymal transition-associated markers were also increased in MA-BCa. The disease enrichment analysis of the predict target genes revealed that diabetes mellitus was significantly affected disease in MA-BCa. Taken together, our data suggest that miRNA-based regulatory mechanism associated with deregulation of pathways and biological functions orchestrated by adipocytes-secreted factors might drive the BCa progression and metastasis in obese patients.
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Affiliation(s)
- Dheeran Rajarajan
- Department of Biochemistry, CSIR-Central Food Technological Research Institute, Mysuru, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Sweetha Selvarajan
- Department of Biochemistry, The Graduate Centre of the City University of New York (CUNY), New York
| | - Mamilla R Charan Raja
- Department of Biotechnology, Centre for Research in Infectious Diseases (CRID), School of Chemical & Biotechnology, SASTRA Deemed To Be University, Thanjavur, India
| | - Santanu Kar Mahapatra
- Department of Biotechnology, Centre for Research in Infectious Diseases (CRID), School of Chemical & Biotechnology, SASTRA Deemed To Be University, Thanjavur, India
| | - Ravi Kasiappan
- Department of Biochemistry, CSIR-Central Food Technological Research Institute, Mysuru, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
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112
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Khordadmehr M, Shahbazi R, Sadreddini S, Baradaran B. miR-193: A new weapon against cancer. J Cell Physiol 2019; 234:16861-16872. [PMID: 30779342 DOI: 10.1002/jcp.28368] [Citation(s) in RCA: 54] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2018] [Accepted: 02/06/2019] [Indexed: 12/12/2022]
Abstract
microRNAs (miRNAs) are known as a large group of short noncoding RNAs, which structurally consist of 19-22 nucleotides in length and functionally act as one of the main regulators of gene expression in important biological and physiological contexts like cell growth, apoptosis, proliferation, differentiation, movement (cell motility), and angiogenesis as well as disease formation and progression importantly in cancer cell invasion, migration, and metastasis. Among these notable tiny molecules, many studies recently presented the important role of the miR-193 family comprising miR-193a-3p, miR-193a-5p, miR-193b-3p, and miR-193b-5p in health and disease biological processes by interaction with special targeting and signaling, which mainly contribute as a tumor suppressor. Therefore, in the present paper, we review the functional role of this miRNA family in both health and disease conditions focusing on various tumor developments, diagnoses, prognoses, and treatment.
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Affiliation(s)
- Monireh Khordadmehr
- Department of Pathology, Faculty of Veterinary Medicine, University of Tabriz, Tabriz, Iran
| | - Roya Shahbazi
- Department of Pathology, Faculty of Veterinary Medicine, University of Tabriz, Tabriz, Iran
| | - Sanam Sadreddini
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Behzad Baradaran
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.,Department of Immunology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
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113
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Rohan TE, Wang T, Weinmann S, Wang Y, Lin J, Ginsberg M, Loudig O. A miRNA Expression Signature in Breast Tumor Tissue Is Associated with Risk of Distant Metastasis. Cancer Res 2019; 79:1705-1713. [PMID: 30760517 DOI: 10.1158/0008-5472.can-18-2779] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2018] [Revised: 12/17/2018] [Accepted: 02/06/2019] [Indexed: 11/16/2022]
Abstract
Dysregulation of miRNA expression may influence breast cancer progression, and experimental evidence suggests that miRNA silencing might suppress breast cancer metastasis. However, the relationship between miRNA and metastasis must be confirmed before this approach can be applied in the clinic. To this end, we conducted a two-stage study in a cohort of 3,760 patients with breast cancer to first identify and then validate the association between miRNA expression and risk of distant metastasis. The first stage (discovery) entailed miRNA sequencing of 126 case-control pairs; qPCR was used to validate the findings in a separate set of 80 case-control pairs. The 13 miRNAs most differentially expressed between cases and controls were combined into an miRNA score that was significantly associated with risk of distant metastasis in a logistic regression model that also included clinical variables (tumor size and number of positive lymph nodes) (ORper unit increase in score = 1.30; 95% confidence interval, 1.03-1.66). The results of this study suggest that in women with invasive breast cancer, a miRNA score that incorporates both clinical variables and miRNA expression levels in breast tumor tissue is moderately predictive of risk of subsequent distant metastasis. SIGNIFICANCE: A novel predictive scoring system for patients with breast cancer includes clinical variables and the expression levels of 13 miRNAs and may help to identify those at increased risk of distant metastasis.
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Affiliation(s)
- Thomas E Rohan
- Department of Epidemiology and Population Health, Albert Einstein College of Medicine, Bronx, New York.
| | - Tao Wang
- Department of Epidemiology and Population Health, Albert Einstein College of Medicine, Bronx, New York
| | - Sheila Weinmann
- Center for Health Research, Kaiser Permanente Northwest, Portland, Oregon
| | - Yihong Wang
- Department of Pathology and Laboratory of Medicine, Warren Alpert Medical School of Brown University, Providence, Rhode Island
| | - Juan Lin
- Department of Epidemiology and Population Health, Albert Einstein College of Medicine, Bronx, New York
| | - Mindy Ginsberg
- Department of Epidemiology and Population Health, Albert Einstein College of Medicine, Bronx, New York
| | - Olivier Loudig
- Hackensack University Medical Center, Hackensack, New Jersey
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114
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Han J, Yu J, Dai Y, Li J, Guo M, Song J, Zhou X. Overexpression of miR-361-5p in triple-negative breast cancer (TNBC) inhibits migration and invasion by targeting RQCD1 and inhibiting the EGFR/PI3K/Akt pathway. Bosn J Basic Med Sci 2019; 19:52-59. [PMID: 29924958 DOI: 10.17305/bjbms.2018.3399] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2018] [Accepted: 05/15/2018] [Indexed: 01/19/2023] Open
Abstract
Triple-negative breast cancer (TNBC) is the leading cause of cancer-related death in women. Previous studies indicated that miR-361-5p was downregulated in breast cancer, however, the exact effect of miR-361-5p on TNBC requires further investigation. In the present study, we investigated whether miR-361-5p can act as a tumor suppressor by targeting required for cell differentiation 1 homolog (RQCD1) and inhibiting epidermal growth factor receptor (EGFR)/phosphoinositide 3-kinase (PI3K)/protein kinase B (Akt) pathway in TNBC. The expression of miR-361-5p and RQCD1 was determined by quantitative reverse transcription PCR (qRT-PCR) and/or western blot in TNBC and the adjacent tissues. miR-361-5p mimics were constructed and transfected to TNBC cell line MDA-MB-231. Cells were divided into three groups: blank control group, miRNA mimic negative control (NC) group, and miR-361-5p mimics group. Expression of miR-361-5p, mRNA and protein expression of PI3K, Akt, EGFR, phosphorylated (p)-EGFR/PI3K/Akt, and protein expression of RQCD1 and matrix metallopeptidase 9 (MMP-9) in MDA-MB-231 were measured by qRT-PCR/western blot after transfection. Cell viability was determined by CCK-8 assay. Cell migration and invasion ability were evaluated by scratch and transwell assay, respectively. miR-361-5p target gene was determined by bioinformatics analysis and luciferase reporter assay. RQCD1 was identified as a target of miR-361-5p by TargetScan and confirmed by luciferase reporter assay. Downregulated miR-361-5p and upregulated RQCD1 were observed in TNBC tissues. Expression of EGFR, PI3K, Akt and MMP-9 was inhibited in cells treated with miR-361-5p mimics. Transfection of miR-361-5p mimics also inhibited the phosphorylation of EGFR, PI3K, and Akt. Suppressed cell viability, migration, and invasion was found in miR-361-5p mimics groups. Our results indicated that overexpression of miR-361-5p might act as a suppressor in TNBC by targeting RQCD1 to inhibit the EGFR/PI3K/Akt signaling pathway.
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Affiliation(s)
- Jianjun Han
- Breast Surgery, Affiliated Hospital of Hebei University of Engineering, Handan, Hebei, China.
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115
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116
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De Silva S, Tennekoon KH, Karunanayake EH. Overview of the genetic basis toward early detection of breast cancer. BREAST CANCER-TARGETS AND THERAPY 2019; 11:71-80. [PMID: 30718964 PMCID: PMC6345186 DOI: 10.2147/bctt.s185870] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Cancer is a socioeconomical burden in any nation. Out of that, breast cancer is identified as the most common malignancy worldwide among women irrespective of age. As women are an important segment in a community, the weakening of their strength toward the development of a nation is a critical problem in each nation. In this review, it was aimed to discuss the characteristics of cancer genome, cancer genetics, and cancer epigenetics in general and then focus on discussing both genetic and nongenetic factors responsible for the predisposition of breast cancer in humans. More emphasis was placed on genes responsible for the early onset of the disease and which can be used as genetic tools in the identification of the disease at an early stage. Then the context of genetic involvement toward the breast cancer occurrence before age of 40 years was highlighted accordingly. In addition to genetic testing, the review paid adequate attention to mention novel liquid biopsy techniques and other clinical, laboratory, and radiologic assessments. These techniques can be used in early detection and recurrence as well as the surveillance of the patients after primary therapies.
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Affiliation(s)
- Sumadee De Silva
- Institute of Biochemistry, Molecular Biology and Biotechnology, University of Colombo, Colombo, Sri Lanka,
| | - Kamani Hemamala Tennekoon
- Institute of Biochemistry, Molecular Biology and Biotechnology, University of Colombo, Colombo, Sri Lanka,
| | - Eric Hamilton Karunanayake
- Institute of Biochemistry, Molecular Biology and Biotechnology, University of Colombo, Colombo, Sri Lanka,
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117
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Argonaute 2 drives miR-145-5p-dependent gene expression program in breast cancer cells. Cell Death Dis 2019; 10:17. [PMID: 30622242 PMCID: PMC6325137 DOI: 10.1038/s41419-018-1267-5] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2018] [Revised: 11/25/2018] [Accepted: 12/04/2018] [Indexed: 12/21/2022]
Abstract
To perform their regulatory functions, microRNAs (miRNAs) must assemble with any of the four mammalian Argonaute (Ago) family of proteins, Ago1–4, into an effector complex known as the RNA-induced silencing complex (RISC). While the mature miRNA guides the RISC complex to its target mRNA, the Ago protein represses mRNA translation. The specific roles of the various Ago members in mediating miRNAs activity, however, haven’t been clearly established. In this study, we investigated the contribution of Ago2, the only human Ago protein endowed with nuclease activity, to the function of tumor-suppressor miR-145-5p in breast cancer (BC). We show that miR-145-5p and Ago2 protein are concomitantly downregulated in BC tissues and that restoration of miR-145-5p expression in BC cells leads to Ago2 protein induction through the loosening of Ago2 mRNA translational repression. Functionally, miR-145-5p exerts its inhibitory activity on cell migration only in presence of Ago2, while, upon Ago2 depletion, we observed increased miR-145/Ago1 complex and enhanced cell motility. Profiling by microarray of miR-145-5p target mRNAs, in BC cells depleted or not of Ago2, revealed that miR-145-5p drives Ago2-dependent and -independent activities. Our results highlight that the Ago2 protein in cancer cells strictly dictates miR-145-5p tumor suppressor activity.
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118
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Fortis SP, Vaxevanis CK, Mahaira LG, Sofopoulos M, Sotiriadou NN, Dinou A, Arnogiannaki N, Stavropoulos-Giokas C, Thanos D, Baxevanis CN, Perez SA. Serum miRNA-based distinct clusters define three groups of breast cancer patients with different clinicopathological and immune characteristics. Cancer Immunol Immunother 2019; 68:57-70. [PMID: 30276443 PMCID: PMC11028120 DOI: 10.1007/s00262-018-2252-7] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2018] [Accepted: 09/26/2018] [Indexed: 01/19/2023]
Abstract
Breast cancer (BCa) is a heterogeneous disease with different histological, prognostic and clinical aspects. Therefore, the need for identification of novel biomarkers for diagnosis, prognosis and monitoring of disease, as well as treatment outcome prediction remains at the forefront of research. The search for circulating elements, obtainable by simple peripheral blood withdrawal, which may serve as possible biomarkers, constitutes still a challenge. In the present study, we have evaluated the expression of 6 circulating miRNAs, (miR-16, miR-21, miR-23α, miR-146α, miR-155 and miR-181α), in operable BCa patients, with non-metastatic, invasive ductal carcinoma, not receiving neoadjuvant chemotherapy. These miRNAs, known to be involved in both tumor cell progression and immune pathways regulation, were analyzed in relation to circulating cytokines, tumor immune-cell infiltration and established prognostic clinicopathological characteristics. We have identified three different clusters, with overall low (C1), moderate (C2) or high (C3) expression levels of these six circulating miRNAs, which define three distinct groups of non-metastatic BCa patients characterized by different clinicopathological and immune-related characteristics, with possibly different clinical outcomes. Our data provide the proof-of-principle to support the notion that, up- or down-regulation of the same circulating miRNA may reflect different prognosis in BCa. Nonetheless, the prognostic and/or predictive potential of these three "signatures" needs to be further evaluated in larger cohorts of BCa patients with an, at least, 5-year clinical follow-up.
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Affiliation(s)
- Sotirios P Fortis
- Cancer Immunology and Immunotherapy Center, Saint Savas Cancer Hospital, 171 Alexandras avenue, 11522, Athens, Greece
| | - Christoforos K Vaxevanis
- Cancer Immunology and Immunotherapy Center, Saint Savas Cancer Hospital, 171 Alexandras avenue, 11522, Athens, Greece
| | - Louisa G Mahaira
- Cancer Immunology and Immunotherapy Center, Saint Savas Cancer Hospital, 171 Alexandras avenue, 11522, Athens, Greece
| | | | | | - Amalia Dinou
- Hellenic Cord Blood Bank, Biomedical Research Foundation Academy of Athens, Athens, Greece
| | | | | | - Dimitris Thanos
- Biomedical Research Foundation, Academy of Athens, Athens, Greece
| | - Constantin N Baxevanis
- Cancer Immunology and Immunotherapy Center, Saint Savas Cancer Hospital, 171 Alexandras avenue, 11522, Athens, Greece
| | - Sonia A Perez
- Cancer Immunology and Immunotherapy Center, Saint Savas Cancer Hospital, 171 Alexandras avenue, 11522, Athens, Greece.
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119
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Zhao J, Zou H, Han C, Ma J, Zhao J, Tang J. Circlular RNA BARD1 (Hsa_circ_0001098) overexpression in breast cancer cells with TCDD treatment could promote cell apoptosis via miR-3942/BARD1 axis. Cell Cycle 2018; 17:2731-2744. [PMID: 30521417 DOI: 10.1080/15384101.2018.1556058] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Breast cancer threatened the health of millions of people around the world. Here we explored the influence of TCDD on the expression of circRNA_BARD1 (circ_0001098) in breast cancer and studied the potential molecular mechanism of circRNA_BARD1. The data from GSE76608 was applied to analyze differentially expressed circRNAs and mRNAs. The expressions of circRNA_BARD1, BARD1, miR-3942-3p, miR-4760-3p and apoptosis-related protein p53 were detected by qRT-PCR or western blot. Circinteractome, TargetScan, CIRCNET and dual luciferase reporter assay were employed to uncover the target relationship between circRNA_BARD1/BARD1 and miR-3942-3p/miR-4760-3p. Flow cytometric analysis was used to reveal cell cycle and cell apoptosis. Immunofluorescence was applied to determinate γ-H2AX level. Xenograft assay and in vivo 3-D imaging was implemented to further verify the conclusions in vitro. CircRNA_BARD1 (circ_0001098) was up-regulated in breast cancer with the treatment of TCDD and the up-regulation of circRNA_BARD1 could restrain cell proliferation, block cell cycle and promote cell apoptosis. Moreover, the target relationship between circRNA_BARD1/BARD1 and miR-3942-3p was confirmed. In addition, miR-3942-3p overexpression promoted the disease progression and BARD1 up-regulation inhibited the disease progression in the breast cancer. Similarly, circRNA_BARD1 overexpression induced by TCDD suppressed the growth and metastasis of tumor in vivo. In conclusion, TCDD induced circ_0001098 overexpression and then suppressed breast cancer tumorigenesis via miR-3942-3p/BARD1 axis. The finding of TCDD-circRNA-miRNA-mRNA axis might bring a new perspective for cure strategy of breast cancer.
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Affiliation(s)
- Jianzhu Zhao
- a Department of Oncology , Shengjing Hospital of China Medical University , Shenyang , China
| | - Huawei Zou
- a Department of Oncology , Shengjing Hospital of China Medical University , Shenyang , China
| | - Chengbo Han
- a Department of Oncology , Shengjing Hospital of China Medical University , Shenyang , China
| | - Jietao Ma
- a Department of Oncology , Shengjing Hospital of China Medical University , Shenyang , China
| | - Jungang Zhao
- b Department of Thoracic Surgery , Shengjing Hospital of China Medical University , Shenyang , China
| | - Jun Tang
- b Department of Thoracic Surgery , Shengjing Hospital of China Medical University , Shenyang , China
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120
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Klinge CM. Non-Coding RNAs in Breast Cancer: Intracellular and Intercellular Communication. Noncoding RNA 2018; 4:E40. [PMID: 30545127 PMCID: PMC6316884 DOI: 10.3390/ncrna4040040] [Citation(s) in RCA: 94] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2018] [Revised: 11/29/2018] [Accepted: 12/04/2018] [Indexed: 02/07/2023] Open
Abstract
Non-coding RNAs (ncRNAs) are regulators of intracellular and intercellular signaling in breast cancer. ncRNAs modulate intracellular signaling to control diverse cellular processes, including levels and activity of estrogen receptor α (ERα), proliferation, invasion, migration, apoptosis, and stemness. In addition, ncRNAs can be packaged into exosomes to provide intercellular communication by the transmission of microRNAs (miRNAs) and long non-coding RNAs (lncRNAs) to cells locally or systemically. This review provides an overview of the biogenesis and roles of ncRNAs: small nucleolar RNA (snRNA), circular RNAs (circRNAs), PIWI-interacting RNAs (piRNAs), miRNAs, and lncRNAs in breast cancer. Since more is known about the miRNAs and lncRNAs that are expressed in breast tumors, their established targets as oncogenic drivers and tumor suppressors will be reviewed. The focus is on miRNAs and lncRNAs identified in breast tumors, since a number of ncRNAs identified in breast cancer cells are not dysregulated in breast tumors. The identity and putative function of selected lncRNAs increased: nuclear paraspeckle assembly transcript 1 (NEAT1), metastasis-associated lung adenocarcinoma transcript 1 (MALAT1), steroid receptor RNA activator 1 (SRA1), colon cancer associated transcript 2 (CCAT2), colorectal neoplasia differentially expressed (CRNDE), myocardial infarction associated transcript (MIAT), and long intergenic non-protein coding RNA, Regulator of Reprogramming (LINC-ROR); and decreased levels of maternally-expressed 3 (MEG3) in breast tumors have been observed as well. miRNAs and lncRNAs are considered targets of therapeutic intervention in breast cancer, but further work is needed to bring the promise of regulating their activities to clinical use.
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Affiliation(s)
- Carolyn M Klinge
- Department of Biochemistry & Molecular Genetics, University of Louisville School of Medicine, Louisville, KY 40292, USA.
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121
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Shiino S, Matsuzaki J, Shimomura A, Kawauchi J, Takizawa S, Sakamoto H, Aoki Y, Yoshida M, Tamura K, Kato K, Kinoshita T, Kitagawa Y, Ochiya T. Serum miRNA-based Prediction of Axillary Lymph Node Metastasis in Breast Cancer. Clin Cancer Res 2018; 25:1817-1827. [PMID: 30482779 DOI: 10.1158/1078-0432.ccr-18-1414] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2018] [Revised: 09/07/2018] [Accepted: 11/20/2018] [Indexed: 11/16/2022]
Abstract
PURPOSE Sentinel lymph node biopsy (SLNB) is the gold-standard procedure for evaluating axillary lymph node (ALN) status in patients with breast cancer. However, the morbidity of SLNB is not negligible, and the procedure is invasive for patients without ALN metastasis. Here, we developed a diagnostic model for evaluating ALN status using a combination of serum miRNAs and clinicopathologic factors as a novel less-invasive biomarker.Experimental Design: Preoperative serum samples were collected from patients who underwent surgery for primary breast cancer or breast benign diseases between 2008 and 2014. A total of 958 serum samples (921 cases of primary breast cancer, including 630 cases in the no ALN metastasis group and 291 cases in the ALN metastasis group, and 37 patients with benign breast diseases) were analyzed by miRNA microarray. Samples were randomly divided into training and test sets. Logistic LASSO regression analysis was used to construct diagnostic models in the training set, which were validated in the test set. RESULTS An optimal diagnostic model was identified using a combination of two miRNAs (miR-629-3p and miR-4710) and three clinicopathologic factors (T stage, lymphovascular invasion, and ultrasound findings), which showed a sensitivity of 0.88 (0.84-0.92), a specificity of 0.69 (0.61-0.76), an accuracy of 0.818, and an area under the receiver operating characteristic curve of 0.86 in the test set. CONCLUSIONS Serum miRNA profiles may be useful for the diagnosis of ALN metastasis before surgery in a less-invasive manner than SLNB.
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Affiliation(s)
- Sho Shiino
- Department of Breast Surgery, National Cancer Center Hospital, Tokyo, Japan.,Keio University School of Medicine, Tokyo, Japan
| | - Juntaro Matsuzaki
- Division of Molecular and Cellular Medicine, National Cancer Center Research Institute, Tokyo, Japan
| | - Akihiko Shimomura
- Department of Breast and Medical Oncology, National Cancer Center Hospital, Tokyo, Japan
| | | | | | - Hiromi Sakamoto
- Department of Biobank and Tissue Resources, National Cancer Center Research Institute, Tokyo, Japan
| | | | - Masayuki Yoshida
- Department of Pathology and Clinical Laboratories, National Cancer Center Hospital, Tokyo, Japan
| | - Kenji Tamura
- Department of Breast and Medical Oncology, National Cancer Center Hospital, Tokyo, Japan
| | - Ken Kato
- Department of Gastrointestinal Medical Oncology, National Cancer Center Hospital, Tokyo, Japan
| | - Takayuki Kinoshita
- Department of Breast Surgery, National Cancer Center Hospital, Tokyo, Japan
| | - Yuko Kitagawa
- Department of Surgery, Keio University School of Medicine, Tokyo, Japan
| | - Takahiro Ochiya
- Division of Molecular and Cellular Medicine, National Cancer Center Research Institute, Tokyo, Japan.
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122
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Javadian M, Gharibi T, Shekari N, Abdollahpour‐Alitappeh M, Mohammadi A, Hossieni A, Mohammadi H, Kazemi T. The role of microRNAs regulating the expression of matrix metalloproteinases (MMPs) in breast cancer development, progression, and metastasis. J Cell Physiol 2018; 234:5399-5412. [DOI: 10.1002/jcp.27445] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2018] [Accepted: 08/28/2018] [Indexed: 12/13/2022]
Affiliation(s)
- Mahsa Javadian
- Immunology Research Center, Tabriz University of Medical Science Tabriz Iran
- Department of Immunology Faculty of Medicine, Tabriz University of Medical Science Tabriz Iran
- Student Research Committee, Tabriz University of Medical Sciences Tabriz Iran
| | - Tohid Gharibi
- Immunology Research Center, Tabriz University of Medical Science Tabriz Iran
- Department of Immunology Faculty of Medicine, Tabriz University of Medical Science Tabriz Iran
| | - Najibeh Shekari
- Immunology Research Center, Tabriz University of Medical Science Tabriz Iran
- Department of Immunology Faculty of Medicine, Tabriz University of Medical Science Tabriz Iran
| | | | - Ali Mohammadi
- Immunology Research Center, Tabriz University of Medical Science Tabriz Iran
- Department of Immunology Faculty of Medicine, Tabriz University of Medical Science Tabriz Iran
| | - Arezoo Hossieni
- Immunology Research Center, Tabriz University of Medical Science Tabriz Iran
- Department of Immunology Faculty of Medicine, Tabriz University of Medical Science Tabriz Iran
| | - Hamed Mohammadi
- Immunology Research Center, Tabriz University of Medical Science Tabriz Iran
- Department of Immunology Faculty of Medicine, Tabriz University of Medical Science Tabriz Iran
| | - Tohid Kazemi
- Immunology Research Center, Tabriz University of Medical Science Tabriz Iran
- Department of Immunology Faculty of Medicine, Tabriz University of Medical Science Tabriz Iran
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123
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Evaluation of miRNA-9 and miRNA-34a as potential biomarkers for diagnosis of breast cancer in Iranian women. Gene 2018; 687:272-279. [PMID: 30468908 DOI: 10.1016/j.gene.2018.11.036] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2018] [Revised: 10/19/2018] [Accepted: 11/13/2018] [Indexed: 12/12/2022]
Abstract
PURPOSE MicroRNAs are involved in diverse biological processes and their dysregulation is a common event in various diseases including breast cancer. Breast cancer is a major threat to women's health. This study was designed to examine the expression levels of miR-9 and miR-34a in breast tumor tissue samples and plasma of breast cancer patients, compare their expression pattern between tissue samples and plasma samples of patients and analyze their relationship with tumor clinical features. Also, the potential of these miRNAs as diagnostic biomarkers for breast cancer was investigated. MATERIALS AND METHODS The expression levels of miR-9, miR-34a and CDH1 were measured by real-time reverse transcription polymerase chain reaction and ΔΔct method. Data were analyzed using t-test and one-way ANOVA. The sensitivity and specificity of miRNAs were determined by receiver operating characteristic (ROC) curve. RESULTS AND DISCUSSION The expression levels of miR-9 and miR-34a were significantly down-regulated in tumor tissues compared to healthy tissues (fold change = 0.26, p = 0.0051 for miR-9 and fold change = 0.55, p = 0.021 for miR-34a). While no significant difference was observed in the expression levels of miR-9 (p = 0.205) and miR-34a (p = 0.132) in plasma samples of patients compared to normal plasma. CDH1 expression in tumor tissue was not significantly different from normal tissue (p = 0.33). We found that expression level of miR-9 in patients with tumor size larger than 5 cm (p = 0.026) and expression level of miR-34a in patients with higher stage (lll & lV, p = 0.03) were significantly down-regulated. Also miR-34a expression level was positively correlated with patient's age (p = 0.03). CONCLUSION According to the ROC curves, the area under the curve (AUC) of miR-9 in tissue was 0.71 (p = 0.009) with sensitivity 83.33% and specificity 70.37%. The AUC for miR-34a in tissue was 0.72 (p = 0.007) with sensitivity 72% and specificity 76%. Thus miR-9 and miR-34a have the capability for distinguishing tumor tissues from healthy tissues and the study of their expression levels in tissue may be used as a biomarker for the diagnosis of breast cancer patients from healthy women.
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124
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Postmenopausal osteoporosis and breast cancer: The biochemical links and beneficial effects of functional foods. Biomed Pharmacother 2018; 107:571-582. [DOI: 10.1016/j.biopha.2018.08.018] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2018] [Revised: 08/02/2018] [Accepted: 08/06/2018] [Indexed: 12/24/2022] Open
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Krajewska JB, Fichna J, Mosińska P. One step ahead: miRNA-34 in colon cancer-future diagnostic and therapeutic tool? Crit Rev Oncol Hematol 2018; 132:1-8. [PMID: 30447913 DOI: 10.1016/j.critrevonc.2018.09.006] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2017] [Revised: 09/07/2018] [Accepted: 09/11/2018] [Indexed: 12/13/2022] Open
Abstract
The discovery that microRNAs (miRNAs) - short, non-coding RNA molecules which regulate gene expression - are implicated in many types of cancer has revolutionised cancer research, giving hope for a new perspective in diagnostics and treatment. Dysregulation of miRNAs occurs in various malignancies, including colorectal cancer (CRC). CRC is one of the leading causes of cancer-related death and in most countries its incidence is still rising. Among several miRNAs which have been linked to CRC, miR-34 has attracted particular attention. This miRNA is involved in the regulation of cell cycle and apoptosis through multiple signaling pathways such as p53, Ra and Wnt signaling. Understanding its role in CRC may facilitate its future use as a diagnostic tool and therapeutic target.
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Affiliation(s)
- Julia B Krajewska
- Department of Biochemistry, Faculty of Medicine, Medical University of Lodz, Poland
| | - Jakub Fichna
- Department of Biochemistry, Faculty of Medicine, Medical University of Lodz, Poland
| | - Paula Mosińska
- Department of Biochemistry, Faculty of Medicine, Medical University of Lodz, Poland.
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126
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Howard EW, Yang X. microRNA Regulation in Estrogen Receptor-Positive Breast Cancer and Endocrine Therapy. Biol Proced Online 2018; 20:17. [PMID: 30214383 PMCID: PMC6134714 DOI: 10.1186/s12575-018-0082-9] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2018] [Accepted: 08/29/2018] [Indexed: 02/07/2023] Open
Abstract
As de novo and acquired resistance to standard first line endocrine therapies is a growing clinical challenge for estrogen receptor-positive (ER+) breast cancer patients, understanding the mechanisms of resistance is critical to develop novel therapeutic strategies to prevent therapeutic resistance and improve patient outcomes. The widespread post-transcriptional regulatory role that microRNAs (miRNAs) can have on various oncogenic pathways has been well-documented. In particular, several miRNAs are reported to suppress ERα expression via direct binding with the 3’ UTR of ESR1 mRNA, which can confer resistance to estrogen/ERα-targeted therapies. In turn, estrogen/ERα activation can modulate miRNA expression, which may contribute to ER+ breast carcinogenesis. Given the reported oncogenic and tumor suppressor functions of miRNAs in ER+ breast cancer, the targeted regulation of specific miRNAs is emerging as a promising strategy to treat ER+ breast cancer and significantly improve patient responsiveness to endocrine therapies. In this review, we highlight the major miRNA-ER regulatory mechanisms in context with ER+ breast carcinogenesis, as well as the critical miRNAs that contribute to endocrine therapy resistance or sensitivity. Collectively, this comprehensive review of the current literature sheds light on the clinical applications and challenges associated with miRNA regulatory mechanisms and novel miRNA targets that may have translational value as potential therapeutics for the treatment of ER+ breast cancer.
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Affiliation(s)
- Erin W Howard
- Julius L. Chambers Biomedical/Biotechnology Research Institute, Department of Biological and Biomedical Sciences, North Carolina Central University, North Carolina Research Campus, 500 Laureate Way, NRI 4301, Kannapolis, North Carolina 28081 USA
| | - Xiaohe Yang
- Julius L. Chambers Biomedical/Biotechnology Research Institute, Department of Biological and Biomedical Sciences, North Carolina Central University, North Carolina Research Campus, 500 Laureate Way, NRI 4301, Kannapolis, North Carolina 28081 USA
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Malik DES, David RM, Gooderham NJ. Mechanistic evidence that benzo[a]pyrene promotes an inflammatory microenvironment that drives the metastatic potential of human mammary cells. Arch Toxicol 2018; 92:3223-3239. [PMID: 30155724 PMCID: PMC6132703 DOI: 10.1007/s00204-018-2291-z] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2018] [Accepted: 08/16/2018] [Indexed: 12/21/2022]
Abstract
Benzo[a]pyrene (B(a)P) is a major cancer-causing contaminant present in food such as cooked meats and cereals, and is ubiquitous in the environment in smoke derived from the combustion of organic material. Exposure to B(a)P is epidemiologically linked with the incidence of breast cancer. Although B(a)P is recognized as a complete genotoxic carcinogen, thought to act primarily via CYP-mediated metabolic activation to DNA-damaging species, there is also evidence that B(a)P exposure elicits other biological responses that promote development of the cancer phenotype. Here in mechanistic studies using human mammary cells MCF-7 and MDA-MB-231, we have explored mechanisms whereby B(a)P (10- 8 to 10- 5M) promotes inflammation pathways via TNF-α and NFκB leading to IL-6 upregulation, microRNA (Let7a, miR21 and miR29b) dysregulation and activation of VEGF. The miRNA dysregulation is associated with altered expression of inflammation mediators and increased migration and invasive potential of human mammary cancer cells. Our data suggest that mammary cell exposure to B(a)P results in perturbation of inflammation mediators and dysregulation of tumorigenic miRNAs, leading to an inflammation microenvironment that facilitates migration and invasion of mammary epithelial cells. These properties of B(a)P, together with its well-established metabolic activation to DNA-damaging species, offer mechanistic insights into its carcinogenic mode of action.
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Affiliation(s)
- Durr-E-Shahwar Malik
- Computational and Systems Medicine, Imperial College London, London, SW7 2AZ, UK
| | - Rhiannon M David
- Computational and Systems Medicine, Imperial College London, London, SW7 2AZ, UK
- Genetic Toxicology, Drug Safety and Metabolism, MSAS Unit, AstraZeneca, Cambridge, UK
| | - Nigel J Gooderham
- Computational and Systems Medicine, Imperial College London, London, SW7 2AZ, UK.
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128
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MicroRNA in diagnosis and therapy monitoring of early-stage triple-negative breast cancer. Sci Rep 2018; 8:11584. [PMID: 30072748 PMCID: PMC6072710 DOI: 10.1038/s41598-018-29917-2] [Citation(s) in RCA: 81] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2017] [Accepted: 07/09/2018] [Indexed: 11/12/2022] Open
Abstract
Breast cancer is a heterogeneous disease with distinct molecular subtypes including the aggressive subtype triple-negative breast cancer (TNBC). We compared blood-borne miRNA signatures of early-stage basal-like (cytokeratin-CK5-positive) TNBC patients to age-matched controls. The miRNAs of TNBC patients were assessed prior to and following platinum-based neoadjuvant chemotherapy (NCT). After an exploratory genome-wide study on 21 cases and 21 controls using microarrays, the identified signatures were verified independently in two laboratories on the same and a new cohort by RT-qPCR. We differentiated the blood of TNBC patients before NCT from controls with 84% sensitivity. The most significant miRNA for this diagnostic classification was miR-126-5p (two tailed t-test p-value of 1.4 × 10−5). Validation confirmed the microarray results for all tested miRNAs. Comparing cancer patients prior to and post NCT highlighted 321 significant miRNAs (among them miR-34a, p-value of 1.2 × 10−23). Our results also suggest that changes in miRNA expression during NCT may have predictive potential to predict pathological complete response (pCR). In conclusion we report that miRNA expression measured from blood facilitates early and minimally-invasive diagnosis of basal-like TNBC. We also demonstrate that NCT has a significant influence on miRNA expression. Finally, we show that blood-borne miRNA profiles monitored over time have potential to predict pCR.
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Zubor P, Kubatka P, Dankova Z, Gondova A, Kajo K, Hatok J, Samec M, Jagelkova M, Krivus S, Holubekova V, Bujnak J, Laucekova Z, Zelinova K, Stastny I, Nachajova M, Danko J, Golubnitschaja O. miRNA in a multiomic context for diagnosis, treatment monitoring and personalized management of metastatic breast cancer. Future Oncol 2018; 14:1847-1867. [DOI: 10.2217/fon-2018-0061] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Metastatic breast cancer is characterized by aggressive spreading to distant organs. Despite huge multilevel research, there are still several important challenges that have to be clarified in the management of this disease. Therefore, recent investigations have implemented a modern, multiomic approach with the aim of identifying specific biomarkers for not only early detection but also to predict treatment responses and metastatic spread. Specific attention is paid to short miRNAs, which regulate gene expression at the post-transcriptional level. Aberrant miRNA expression could initiate cancer development, cell proliferation, invasion, migration, metastatic spread or drug resistance. An miRNA signature is, therefore, believed to be a promising biomarker and prediction tool that could be utilized in all phases of carcinogenesis. This article offers comprehensive information about miRNA profiles useful for diagnostic and treatment purposes that may sufficiently advance breast cancer management and improve individual outcomes in the near future.
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Affiliation(s)
- Pavol Zubor
- Department of Obstetrics & Gynecology, Jessenius Faculty of Medicine, Comenius University in Bratislava, Martin University Hospital, Martin, Slovak Republic
- Biomedical Center Martin, Division of Oncology, Jessenius Faculty of Medicine, Comenius University in Bratislava, Martin, Slovak Republic
| | - Peter Kubatka
- Biomedical Center Martin, Division of Oncology, Jessenius Faculty of Medicine, Comenius University in Bratislava, Martin, Slovak Republic
- Department of Medical Biology, Jessenius Faculty of Medicine, Comenius University in Bratislava, Martin, Slovak Republic
| | - Zuzana Dankova
- Biomedical Center Martin, Division of Oncology, Jessenius Faculty of Medicine, Comenius University in Bratislava, Martin, Slovak Republic
| | - Alexandra Gondova
- Department of Obstetrics & Gynecology, Jessenius Faculty of Medicine, Comenius University in Bratislava, Martin University Hospital, Martin, Slovak Republic
| | - Karol Kajo
- Department of Pathology, St Elizabeth Cancer Institute Hospital, Bratislava, Slovak Republic
- Biomedical Research Center, Slovak Academy of Sciences, Bratislava, Slovak Republic
| | - Jozef Hatok
- Department of Medical Biochemistry, Jessenius Faculty of Medicine, Comenius University in Bratislava, Martin, Slovak Republic
| | - Marek Samec
- Department of Obstetrics & Gynecology, Jessenius Faculty of Medicine, Comenius University in Bratislava, Martin University Hospital, Martin, Slovak Republic
- Biomedical Center Martin, Division of Oncology, Jessenius Faculty of Medicine, Comenius University in Bratislava, Martin, Slovak Republic
| | - Marianna Jagelkova
- Department of Obstetrics & Gynecology, Jessenius Faculty of Medicine, Comenius University in Bratislava, Martin University Hospital, Martin, Slovak Republic
- Biomedical Center Martin, Division of Oncology, Jessenius Faculty of Medicine, Comenius University in Bratislava, Martin, Slovak Republic
| | - Stefan Krivus
- Department of Obstetrics & Gynecology, Jessenius Faculty of Medicine, Comenius University in Bratislava, Martin University Hospital, Martin, Slovak Republic
| | - Veronika Holubekova
- Biomedical Center Martin, Division of Oncology, Jessenius Faculty of Medicine, Comenius University in Bratislava, Martin, Slovak Republic
| | - Jan Bujnak
- Department of Obstetrics & Gynecology, Kukuras Michalovce Hospital, Michalovce, Slovak Republic
- Oncogynecology Unit, Penta Hospitals International, Svet Zdravia, Michalovce, Slovak Republic
| | - Zuzana Laucekova
- Department of Obstetrics & Gynecology, Jessenius Faculty of Medicine, Comenius University in Bratislava, Martin University Hospital, Martin, Slovak Republic
| | - Katarina Zelinova
- Department of Obstetrics & Gynecology, Jessenius Faculty of Medicine, Comenius University in Bratislava, Martin University Hospital, Martin, Slovak Republic
- Biomedical Center Martin, Division of Oncology, Jessenius Faculty of Medicine, Comenius University in Bratislava, Martin, Slovak Republic
| | - Igor Stastny
- Department of Obstetrics & Gynecology, Jessenius Faculty of Medicine, Comenius University in Bratislava, Martin University Hospital, Martin, Slovak Republic
- Biomedical Center Martin, Division of Oncology, Jessenius Faculty of Medicine, Comenius University in Bratislava, Martin, Slovak Republic
| | - Marcela Nachajova
- Department of Obstetrics & Gynecology, Jessenius Faculty of Medicine, Comenius University in Bratislava, Martin University Hospital, Martin, Slovak Republic
| | - Jan Danko
- Department of Obstetrics & Gynecology, Jessenius Faculty of Medicine, Comenius University in Bratislava, Martin University Hospital, Martin, Slovak Republic
| | - Olga Golubnitschaja
- Radiological Clinic, Rheinische Friedrich-Wilhelms-University of Bonn, Bonn, Germany
- Breast Cancer Research Center, Rheinische Friedrich-Wilhelms-University of Bonn, Bonn, Germany
- Center for Integrated Oncology, Cologne-Bonn, Rheinische Friedrich-Wilhelms-University of Bonn, Bonn, Germany
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130
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Liu C, Chen C, Li S, Dong H, Dai W, Xu T, Liu Y, Yang F, Zhang X. Target-Triggered Catalytic Hairpin Assembly-Induced Core–Satellite Nanostructures for High-Sensitive “Off-to-On” SERS Detection of Intracellular MicroRNA. Anal Chem 2018; 90:10591-10599. [DOI: 10.1021/acs.analchem.8b02819] [Citation(s) in RCA: 64] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Conghui Liu
- Research Center for Bioengineering and Sensing Technology, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing 100083, People’s Republic of China
| | - Chao Chen
- School of Materials Science and Engineering, Nanyang Technological University, Singapore 639798, Singapore
| | - Shuzhou Li
- School of Materials Science and Engineering, Nanyang Technological University, Singapore 639798, Singapore
| | - Haifeng Dong
- Research Center for Bioengineering and Sensing Technology, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing 100083, People’s Republic of China
| | - Wenhao Dai
- Research Center for Bioengineering and Sensing Technology, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing 100083, People’s Republic of China
| | - Tailin Xu
- Research Center for Bioengineering and Sensing Technology, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing 100083, People’s Republic of China
| | - Yang Liu
- Research Center for Bioengineering and Sensing Technology, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing 100083, People’s Republic of China
| | - Fan Yang
- Research Center for Bioengineering and Sensing Technology, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing 100083, People’s Republic of China
| | - Xueji Zhang
- Research Center for Bioengineering and Sensing Technology, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing 100083, People’s Republic of China
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131
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Guo J, Liu C, Wang W, Liu Y, He H, Chen C, Xiang R, Luo Y. Identification of serum miR-1915-3p and miR-455-3p as biomarkers for breast cancer. PLoS One 2018; 13:e0200716. [PMID: 30048472 PMCID: PMC6062026 DOI: 10.1371/journal.pone.0200716] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2017] [Accepted: 07/02/2018] [Indexed: 12/22/2022] Open
Abstract
Breast cancer is one of the most malignant diseases in women worldwide. Serum microRNAs (miRNAs), with the characteristics of high sensitivity and specificity, have recently attracted more attentions to serve as potential biomarkers for tumor diseases. In this study, 194 breast cancer patients’ serum samples were collected before surgery and enrolled into different groups based on their diagnostic information. To search for breast cancer diagnostic biomarkers, serum miRNAs were screened by microarray in pooled samples of healthy volunteers and breast cancer patients in different clinical stages. The miRNAs were further verified in each individual patient’s serum samples in diagnostic and predictive sets. The serum level of miR-1915-3p was upregulated and miR-455-3p was downregulated significantly in breast cancer patients compared with healthy volunteers. Furthermore, the patients with infiltrating carcinoma or lymph node metastasis had a higher serum level of miR-1915-3p and lower serum level of miR-455-3p than patients with the carcinoma in situ or patients without lymph node metastasis. ROC analysis suggested that miR-1915-3p and miR-455-3p had the potential as a promising serum diagnostic and predictive biomarkers of breast cancer. miR-1915-3p was over-expressed in certain human breast cancer cells. Functional experiments in vitro showed that miR-1915-3p enhanced cell proliferative and migrational abilities. Overexpression of miR-1915-3p repressed target gene DUSP3 and activated ERK1/2. Collectively, this study provided a new insight that miR-1915-3p might play a role in the development of breast cancer and that serum miR-1915-3p and miR-455-3p could serve as diagnostic and predictive biomarkers for breast cancer.
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Affiliation(s)
- Jian Guo
- Department of Immunology, Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College, Beijing, China
- Collaborative Innovation Center for Biotherapy, Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College, Beijing, China
| | - Chen Liu
- Department of Hematology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Wei Wang
- Department of Immunology, Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College, Beijing, China
- Collaborative Innovation Center for Biotherapy, Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College, Beijing, China
| | - Yan Liu
- Department of Immunology, Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College, Beijing, China
- Collaborative Innovation Center for Biotherapy, Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College, Beijing, China
| | - Huiwen He
- Department of Immunology, Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College, Beijing, China
- Collaborative Innovation Center for Biotherapy, Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College, Beijing, China
| | - Chong Chen
- Department of Immunology, Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College, Beijing, China
- Collaborative Innovation Center for Biotherapy, Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College, Beijing, China
| | - Rong Xiang
- Collaborative Innovation Center for Biotherapy, Medical College of Nankai University, Tianjin, China
| | - Yunping Luo
- Department of Immunology, Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College, Beijing, China
- Collaborative Innovation Center for Biotherapy, Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College, Beijing, China
- * E-mail:
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132
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Zhang Y, Xu B, Zhang XP. Effects of miRNAs on functions of breast cancer stem cells and treatment of breast cancer. Onco Targets Ther 2018; 11:4263-4270. [PMID: 30100733 PMCID: PMC6065473 DOI: 10.2147/ott.s165156] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Breast cancer is one of the most common malignancies for women, which accounts for 30% of all female malignancies. The formation of breast cancer stem cells (BCSCs) is attributed to the acquisition of stemness of tumor cells. With self-renewal potential, these stem cells are insensitive to either radiotherapy or chemotherapy but are significant in regulating tumor behaviors and drug resistance. MicroRNA (miRNA) is a kind of noncoding small RNA for negatively regulating gene expressions. Research findings suggest that many miRNAs specifically regulate the expression of target genes and signal pathways of BCSCs. They play an important role in self-renewal, growth, and metastasis of breast cancer cells as potential targets for treating breast cancer. These signal pathways include phosphatase and tensin homolog deleted on chromosome 10-phosphatidylinositol 3-kinase/Akt, Wnt/β-catenin, Notch, and so on. This paper reviews the progress of research about miRNAs in self-renewal, metastasis, epithelial-mesenchymal transition and metastasis, mediation of resistance to chemotherapies, and treatment of breast cancer.
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Affiliation(s)
- Ying Zhang
- Department of Breast Surgery, Fudan University Shanghai Cancer Center, Shanghai, China
| | - Bin Xu
- Department of Surgery, Zhejiang Rehabilitation Medical Center, Hangzhou, China
| | - Xi-Ping Zhang
- Department of Breast Surgery, Zhejiang Cancer Hospital, Hangzhou, Zhejiang Province, China,
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133
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Adams BD, Arem H, Hubal MJ, Cartmel B, Li F, Harrigan M, Sanft T, Cheng CJ, Pusztai L, Irwin ML. Exercise and weight loss interventions and miRNA expression in women with breast cancer. Breast Cancer Res Treat 2018; 170:55-67. [PMID: 29511965 PMCID: PMC6444907 DOI: 10.1007/s10549-018-4738-6] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2018] [Accepted: 02/26/2018] [Indexed: 02/06/2023]
Abstract
PURPOSE Obesity and weight gain are associated with comorbidities including a higher risk of tumor recurrence and cancer-related deaths among breast cancer (BC) survivors; however, the underlying mechanisms linking obesity and cancer are poorly understood. Given the lack of clinically validated BC biomarkers, obesity and weight-loss studies utilize serum biomarkers as the intermediary outcomes of tumor recurrence. Studies have indicated microRNAs (miRNA)s are reliable biomarkers for cancer. We hypothesized that miRNA expression correlates with obesity and weight loss amongst BC survivors. This would yield insight into the biological pathways by which this association occurs, enabling more precise development of therapeutics. PATIENTS AND METHODS We correlated baseline body mass index (BMI) with serum miRNA expression in 121 BC survivors enrolled in the Hormones and Physical Exercise (HOPE) trial. We then analyzed expression of the 35 most abundant miRNAs from HOPE in a six-month randomized controlled weight-loss trial (Lifestyle, Exercise, and Nutrition; LEAN) in 100 BC survivors. Ingenuity pathway analysis (IPA) software was used to identify biological pathway targets of the BMI-associated and intervention-responsive miRNAs using predictive biomarkers. RESULTS Pearson correlations in HOPE identified eight miRNAs associated with BMI, including miR-191-5p (r = - 0.22, p = 0.016) and miR-122-5p (r = 0.25, p = 0.0048). In the LEAN validation study, levels of miR-191-5p significantly increased during the six-month intervention (p = 0.082). Ingenuity Pathway Analysis identified "Estrogen-mediated S-phase entry" (HOPE p = 0.003; LEAN p < 0.001) and "Molecular mechanisms of cancer" (HOPE p = 0.02; LEAN p < 0.001) as the top canonical pathways that significantly correlated with BMI-associated and intervention-responsive miRNAs and contain obesity and cancer-relevant genes including the E2F family of transcription factors and CCND1, which have been implicated in sporadic BC. CONCLUSION While the association between obesity and BC recurrence and mortality has been demonstrated in the literature, mechanisms underlying the link between weight gain and cancer are unclear. Using two independent clinical trials, we identified novel miRNAs associative to BMI and weight loss that contribute to the development of cancer. Predictive modeling of miRNA targets identified multiple canonical pathways associated with cancer, highlighting potential mechanisms explaining the link between BMI and increased cancer risk.
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Affiliation(s)
- Brian D Adams
- The RNA Institute, University at Albany State University of New York, Albany, NY, 12222, USA
- Investigative Medicine Program, Yale University Medical School, New Haven, CT, 06520, USA
- Department of RNA Sciences, The Brain Institute of America, Groton, CT, 06340, USA
| | - Hannah Arem
- Department of Epidemiology and Biostatistics, Milken Institute of Public Health George Washington University, Washington, DC, 20052, USA
| | - Monica J Hubal
- Department of Exercise and Nutrition Sciences, Milken Institute of Public Health George Washington University, Washington, DC, 20052, USA
| | | | - Fangyong Li
- Yale Center for Analytical Sciences, Yale School of Public Health, New Haven, CT, 06510, USA
| | | | - Tara Sanft
- Yale Medical Oncology, Smilow Cancer Center at Yale New Haven Hospital, New Haven, CT, 06511, USA
| | - Christopher J Cheng
- Division of Nucleic Acid Technology, Alexion Pharmaceuticals, Cheshire, CT, 06410, USA
| | - Lajos Pusztai
- Yale Medical Oncology, Smilow Cancer Center at Yale New Haven Hospital, New Haven, CT, 06511, USA
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134
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Borghei YS, Hosseini M, Ganjali MR, Ju H. Colorimetric and energy transfer based fluorometric turn-on method for determination of microRNA using silver nanoclusters and gold nanoparticles. Mikrochim Acta 2018; 185:286. [DOI: 10.1007/s00604-018-2825-3] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2018] [Accepted: 04/29/2018] [Indexed: 12/26/2022]
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135
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Lleonart ME, Abad E, Graifer D, Lyakhovich A. Reactive Oxygen Species-Mediated Autophagy Defines the Fate of Cancer Stem Cells. Antioxid Redox Signal 2018; 28:1066-1079. [PMID: 28683561 DOI: 10.1089/ars.2017.7223] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Significance: A fraction of tumorigenic cells, also known as tumor initiating or cancer stem cells (CSCs), is thought to drive tumor growth, metastasis, and chemoresistance. However, little is known regarding mechanisms that convey relevant pathways contributing to their self-renewal, proliferation, and differentiation abilities. Recent Advances: Recent works on CSCs provide evidence on the role of redox disruption and regulation of autophagic flux. This has been linked to increased DNA repair capacity and chemoresistance. Critical Issues: The current review summarizes the most recent studies assessing the role of redox homeostasis, autophagy, and chemoresistance in CSCs, including some novel findings on microRNAs and their role in horizontal transfer within cancer cell populations. Future Directions: Rational anticancer therapy and prevention should rely on the fact that cancer is a redox disease with the CSCs being the apex modulated by redox-mediated autophagy. Antioxid. Redox Signal. 28, 1066-1079.
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Affiliation(s)
- Matilde E Lleonart
- Biomedical Research in Cancer Stem Cells, Vall d'Hebron Research Institute, Barcelona, Spain
| | - Etna Abad
- Biomedical Research in Cancer Stem Cells, Vall d'Hebron Research Institute, Barcelona, Spain
| | - Dmitry Graifer
- Faculty of Natural Sciences, Novosibirsk State University, Novosibirsk, Russia
| | - Alex Lyakhovich
- Biomedical Research in Cancer Stem Cells, Vall d'Hebron Research Institute, Barcelona, Spain.,Institute of Molecular Biology and Biophysics, Novosibirsk, Russia.,ICRC-FNUSA, International Clinical Research Center and St. Anne's University Hospital Brno, Brno, Czech Republic
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136
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Luengo-Gil G, Gonzalez-Billalabeitia E, Perez-Henarejos SA, Navarro Manzano E, Chaves-Benito A, Garcia-Martinez E, Garcia-Garre E, Vicente V, Ayala de la Peña F. Angiogenic role of miR-20a in breast cancer. PLoS One 2018; 13:e0194638. [PMID: 29617404 PMCID: PMC5884522 DOI: 10.1371/journal.pone.0194638] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2017] [Accepted: 03/07/2018] [Indexed: 01/02/2023] Open
Abstract
Background Angiogenesis is a key process for tumor progression and a target for treatment. However, the regulation of breast cancer angiogenesis and its relevance for clinical resistance to antiangiogenic drugs is still incompletely understood. Recent developments on the contribution of microRNA to tumor angiogenesis and on the oncogenic effects of miR-17-92, a miRNA cluster, point to their potential role on breast cancer angiogenesis. The aim of this work was to establish the contribution of miR-20a, a member of miR-17-92 cluster, to tumor angiogenesis in patients with invasive breast carcinoma. Methods Tube-formation in vitro assays with conditioned medium from MCF7 and MDA-MB-231 breast cancer cell lines were performed after transfection with miR-20a and anti-miR20a. For clinical validation of the experimental findings, we performed a retrospective analysis of a series of consecutive breast cancer patients (n = 108) treated with neoadjuvant chemotherapy and with a full characterization of their vessel pattern and expression of angiogenic markers in pre-treatment biopsies. Expression of members of the cluster miR-17-92 and of angiogenic markers was determined by RT-qPCR after RNA purification from FFPE samples. Results In vitro angiogenesis assays with endothelial cells and conditioned media from breast cancer cell lines showed that transfection with anti-miR20a in MDA-MB-231 significantly decreased mean mesh size and total mesh area, while transfection with miR-20a in MCF7 cells increased mean mesh size. MiR-20a angiogenic effects were abrogated by treatment with aflibercept, a VEGF trap. These results were supported by clinical data showing that mir-20a expression was higher in tumors with no estrogen receptor or with more extensive nodal involvement (cN2-3). A higher miR-20a expression was associated with higher mean vessel size (p = 0.015) and with an angiogenic pattern consisting in larger vessels, higher VEGFA expression and presence of glomeruloid microvascular proliferations (p<0.001). This association was independent of tumor subtype and VEGFA expression. Conclusions Transfection of breast cancer cells with miR-20a induces vascular changes in endothelial tube-formation assays. Expression of miR-20a in breast invasive carcinomas is associated with a distinctive angiogenic pattern consisting in large vessels, anomalous glomeruloid microvascular proliferations and high VEGFA expression. Our results suggest a role for miR-20a in the regulation of breast cancer angiogenesis, and raise the possibility of its use as an angiogenic biomarker.
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Affiliation(s)
- Gines Luengo-Gil
- Department of Hematology and Medical Oncology, Hospital Universitario Morales Meseguer y Centro Regional de Hemodonación, Murcia, Spain
- Department of Internal Medicine, University of Murcia, Murcia, Spain
- IMIB-Arrixaca, Murcia, Spain
| | - Enrique Gonzalez-Billalabeitia
- Department of Hematology and Medical Oncology, Hospital Universitario Morales Meseguer y Centro Regional de Hemodonación, Murcia, Spain
- IMIB-Arrixaca, Murcia, Spain
- Universidad Católica San Antonio de Murcia (UCAM), Murcia, Spain
| | - Sergio Alejo Perez-Henarejos
- Department of Hematology and Medical Oncology, Hospital Universitario Morales Meseguer y Centro Regional de Hemodonación, Murcia, Spain
- IMIB-Arrixaca, Murcia, Spain
| | - Esther Navarro Manzano
- Department of Hematology and Medical Oncology, Hospital Universitario Morales Meseguer y Centro Regional de Hemodonación, Murcia, Spain
- IMIB-Arrixaca, Murcia, Spain
| | | | - Elena Garcia-Martinez
- Department of Hematology and Medical Oncology, Hospital Universitario Morales Meseguer y Centro Regional de Hemodonación, Murcia, Spain
- IMIB-Arrixaca, Murcia, Spain
- Universidad Católica San Antonio de Murcia (UCAM), Murcia, Spain
| | - Elisa Garcia-Garre
- Department of Hematology and Medical Oncology, Hospital Universitario Morales Meseguer y Centro Regional de Hemodonación, Murcia, Spain
- IMIB-Arrixaca, Murcia, Spain
| | - Vicente Vicente
- Department of Hematology and Medical Oncology, Hospital Universitario Morales Meseguer y Centro Regional de Hemodonación, Murcia, Spain
- Department of Internal Medicine, University of Murcia, Murcia, Spain
- IMIB-Arrixaca, Murcia, Spain
| | - Francisco Ayala de la Peña
- Department of Hematology and Medical Oncology, Hospital Universitario Morales Meseguer y Centro Regional de Hemodonación, Murcia, Spain
- Department of Internal Medicine, University of Murcia, Murcia, Spain
- IMIB-Arrixaca, Murcia, Spain
- * E-mail:
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Klinge CM. Non-coding RNAs: long non-coding RNAs and microRNAs in endocrine-related cancers. Endocr Relat Cancer 2018; 25:R259-R282. [PMID: 29440232 DOI: 10.1530/erc-17-0548] [Citation(s) in RCA: 83] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/18/2017] [Accepted: 02/12/2018] [Indexed: 12/11/2022]
Abstract
The human genome is 'pervasively transcribed' leading to a complex array of non-coding RNAs (ncRNAs) that far outnumber coding mRNAs. ncRNAs have regulatory roles in transcription and post-transcriptional processes as well numerous cellular functions that remain to be fully described. Best characterized of the 'expanding universe' of ncRNAs are the ~22 nucleotide microRNAs (miRNAs) that base-pair to target mRNA's 3' untranslated region within the RNA-induced silencing complex (RISC) and block translation and may stimulate mRNA transcript degradation. Long non-coding RNAs (lncRNAs) are classified as >200 nucleotides in length, but range up to several kb and are heterogeneous in genomic origin and function. lncRNAs fold into structures that interact with DNA, RNA and proteins to regulate chromatin dynamics, protein complex assembly, transcription, telomere biology and splicing. Some lncRNAs act as sponges for miRNAs and decoys for proteins. Nuclear-encoded lncRNAs can be taken up by mitochondria and lncRNAs are transcribed from mtDNA. Both miRNAs and lncRNAs are dysregulated in endocrine cancers. This review provides an overview on the current understanding of the regulation and function of selected lncRNAs and miRNAs, and their interaction, in endocrine-related cancers: breast, prostate, endometrial and thyroid.
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138
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Si C, Yu Q, Yao Y. Effect of miR-146a-5p on proliferation and metastasis of triple-negative breast cancer via regulation of SOX5. Exp Ther Med 2018; 15:4515-4521. [PMID: 29731835 DOI: 10.3892/etm.2018.5945] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2017] [Accepted: 10/25/2017] [Indexed: 12/21/2022] Open
Abstract
MicroRNA (miR)-146a-5p functions as a tumor suppressor in various types of cancer. However, the role of miR-146a-5p in the development of triple-negative breast cancer (TNBC) is unclear. The present study aimed to investigate the role of miR-146a-5p in TNBC. The expression level of miR-146a-5p in TNBC tissues and cell lines was initially detected using reverse transcription-quantitative polymerase chain reaction. To predict the target gene of miR-146a-5p, TargetScan software was used and a dual luciferase assay was performed to verify the prediction. Furthermore, in order to explore the role of miR-146a-5p in TNBC, miR-146a-5p was overexpressed in TNBC cells using miR-146a-5p mimics. An MTT assay was performed to detect cell proliferation, and a Transwell assay was conducted to determine cell migration and invasion. Furthermore, western blotting was performed to measure associated protein expression. It was revealed that miR-146a-5p was downregulated in TNBC tissues and cell lines. SOX5 was indicated to be a target gene of miR-146a-5p and was upregulated in TNBC cells. Additionally, miR-146a-5p could inhibit TNBC cell proliferation, migration and invasion, repress the expression of mesenchymal markers (N-cadherin, vimentin and fibronectin) and increase epithelial marker (E-cadherin) expression. Furthermore, SOX5 overexpression eliminated the effects of miR-146a-5p mimics on TNBC cells. In conclusion, the data of the present study indicated that miR-146a-5p inhibits the proliferation and metastasis of TNBC cells by regulating SOX5.
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Affiliation(s)
- Chengshuai Si
- Department of General Surgery, Jiangsu Cancer Hospital, Jiangsu Institute of Cancer Research and Nanjing Medical University Affiliated Cancer Hospital, Nanjing, Jiangsu 210009, P.R. China
| | - Qiao Yu
- Department of General Surgery, Jiangsu Cancer Hospital, Jiangsu Institute of Cancer Research and Nanjing Medical University Affiliated Cancer Hospital, Nanjing, Jiangsu 210009, P.R. China
| | - Yufeng Yao
- Department of General Surgery, Jiangsu Cancer Hospital, Jiangsu Institute of Cancer Research and Nanjing Medical University Affiliated Cancer Hospital, Nanjing, Jiangsu 210009, P.R. China
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139
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Drago-Ferrante R, Pentimalli F, Carlisi D, De Blasio A, Saliba C, Baldacchino S, Degaetano J, Debono J, Caruana-Dingli G, Grech G, Scerri C, Tesoriere G, Giordano A, Vento R, Di Fiore R. Suppressive role exerted by microRNA-29b-1-5p in triple negative breast cancer through SPIN1 regulation. Oncotarget 2018; 8:28939-28958. [PMID: 28423652 PMCID: PMC5438704 DOI: 10.18632/oncotarget.15960] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2016] [Accepted: 02/18/2017] [Indexed: 01/06/2023] Open
Abstract
MiR-29 family dysregulation occurs in various cancers including breast cancers. We investigated miR-29b-1 functional role in human triple negative breast cancer (TNBC) the most aggressive breast cancer subtype. We found that miR-29b-1-5p was downregulated in human TNBC tissues and cell lines. To assess whether miR-29b-1-5p correlated with TNBC regenerative potential, we evaluated cancer stem cell enrichment in our TNBC cell lines, and found that only MDA-MB-231 and BT-20 produced primary, secondary and tertiary mammospheres, which were progressively enriched in OCT4, NANOG and SOX2 stemness genes. MiR-29b-1-5p expression inversely correlated with mammosphere stemness potential, and miR-29b-1 ectopic overexpression decreased TNBC cell growth, self-renewal, migration, invasiveness and paclitaxel resistance repressing WNT/βcatenin and AKT signaling pathways and stemness regulators. We identified SPINDLIN1 (SPIN1) among predicted miR-29b-1-5p targets. Consistently, SPIN1 was overexpressed in most TNBC tissues and cell lines and negatively correlated with miR-29b-1-5p. Target site inhibition showed that SPIN1 seems to be directly controlled by miR-29b-1-5p. Silencing SPIN1 mirrored the effects triggered by miR-29b-1 overexpression, whereas SPIN1 rescue by SPIN1miScript protector, determined the reversal of the molecular effects produced by the mimic-miR-29b-1-5p. Overall, we show that miR-29b-1 deregulation impacts on multiple oncogenic features of TNBC cells and their renewal potential, acting, at least partly, through SPIN1, and suggest that both these factors should be evaluated as new possible therapeutic targets against TNBC.
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Affiliation(s)
- Rosa Drago-Ferrante
- Laboratory of Biochemistry, Department of Biological, Chemical and Pharmaceutical Sciences and Technologies, University of Palermo, Polyclinic, Palermo, Italy
| | - Francesca Pentimalli
- Oncology Research Center of Mercogliano (CROM), Istituto Nazionale per lo Studio e la Cura dei Tumori "Fondazione Giovanni Pascale", IRCCS, Naples, Italy
| | - Daniela Carlisi
- Laboratory of Biochemistry, Department of Experimental Biomedicine and Clinical Neurosciences, University of Palermo, Polyclinic, Palermo, Italy
| | - Anna De Blasio
- Laboratory of Biochemistry, Department of Biological, Chemical and Pharmaceutical Sciences and Technologies, University of Palermo, Polyclinic, Palermo, Italy
| | - Christian Saliba
- Centre of Molecular Medicine and Biobanking, University of Malta, Msida, MSD, Malta
| | - Shawn Baldacchino
- Department of Pathology, Faculty of Medicine and Surgery, University of Malta, Msida, MSD, Malta
| | - James Degaetano
- Department of Pathology, Mater Dei Hospital, Msida, MSD, Malta
| | - Joseph Debono
- Department of Surgery, Mater Dei Hospital, Msida, MSD, Malta
| | | | - Godfrey Grech
- Department of Pathology, Faculty of Medicine and Surgery, University of Malta, Msida, MSD, Malta
| | - Christian Scerri
- Department of Pathology, Mater Dei Hospital, Msida, MSD, Malta.,Department of Physiology and Biochemistry, Faculty of Medicine and Surgery, University of Malta, Msida, MSD, Malta
| | - Giovanni Tesoriere
- Sbarro Institute for Cancer Research and Molecular Medicine, Center for Biotechnology, College of Science and Technology, Temple University, Philadelphia, PA, USA.,Associazione Siciliana per la Lotta contro i Tumori (ASLOT), Palermo, Italy
| | - Antonio Giordano
- Sbarro Institute for Cancer Research and Molecular Medicine, Center for Biotechnology, College of Science and Technology, Temple University, Philadelphia, PA, USA.,Department of Medicine, Surgery & Neuroscience University of Siena, Italy
| | - Renza Vento
- Laboratory of Biochemistry, Department of Biological, Chemical and Pharmaceutical Sciences and Technologies, University of Palermo, Polyclinic, Palermo, Italy.,Sbarro Institute for Cancer Research and Molecular Medicine, Center for Biotechnology, College of Science and Technology, Temple University, Philadelphia, PA, USA.,Associazione Siciliana per la Lotta contro i Tumori (ASLOT), Palermo, Italy
| | - Riccardo Di Fiore
- Laboratory of Biochemistry, Department of Biological, Chemical and Pharmaceutical Sciences and Technologies, University of Palermo, Polyclinic, Palermo, Italy.,Associazione Siciliana per la Lotta contro i Tumori (ASLOT), Palermo, Italy
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140
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Schrijver WAME, van Diest PJ, Moelans CB. Unravelling site-specific breast cancer metastasis: a microRNA expression profiling study. Oncotarget 2018; 8:3111-3123. [PMID: 27902972 PMCID: PMC5356868 DOI: 10.18632/oncotarget.13623] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2016] [Accepted: 10/21/2016] [Indexed: 01/07/2023] Open
Abstract
Distant metastasis is still the main cause of death from breast cancer. MicroRNAs (miRs) are important regulators of many physiological and pathological processes, including metastasis. Molecular breast cancer subtypes are known to show a site-specific pattern of metastases formation. In this study, we set out to determine the underlying molecular mechanisms of site-specific breast cancer metastasis by microRNA expression profiling. To identify a miR signature for metastatic breast carcinoma that could predict metastatic localization, we compared global miR expression in 23 primary breast cancer specimens with their corresponding multiple distant metastases to ovary (n=9), skin (n=12), lung (n=10), brain (n=4) and gastrointestinal tract (n=10) by miRCURY microRNA expression arrays. For validation, we performed quantitative real-time (qRT) PCR on the discovery cohort and on an independent validation cohort of 29 primary breast cancer specimens and their matched metastases. miR expression was highly patient specific and miR signatures in the primary tumor were largely retained in the metastases, with the exception of several differentially expressed, location specific miRs. Validation with qPCR demonstrated that hsa-miR-106b-5p was predictive for the development of lung metastases. In time, the second metastasis often showed a miR upregulation compared to the first metastasis. This study discovered a metastatic site-specific miR and found miR expression to be highly patient specific. This may lead to novel biomarkers predicting site of distant metastases, and to adjuvant, personalized targeted therapy strategies that could prevent such metastases from becoming clinically manifest.
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Affiliation(s)
| | - Paul J van Diest
- Department of Pathology, University Medical Center Utrecht, Utrecht, The Netherlands
| | | | - Cathy B Moelans
- Department of Pathology, University Medical Center Utrecht, Utrecht, The Netherlands
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141
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Yu J, Wang JG, Zhang L, Yang HP, Wang L, Ding D, Chen Q, Yang WL, Ren KH, Zhou DM, Zou Q, Jin YT, Liu XP. MicroRNA-320a inhibits breast cancer metastasis by targeting metadherin. Oncotarget 2018; 7:38612-38625. [PMID: 27229534 PMCID: PMC5122415 DOI: 10.18632/oncotarget.9572] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2015] [Accepted: 05/01/2016] [Indexed: 01/08/2023] Open
Abstract
Dysregulated microRNAs play important pathological roles in carcinogenesis that are yet to be fully elucidated. This study was performed to investigate the biological functions of microRNA-320a (miR-320a) in breast cancer and the underlying mechanisms. Function analyses for cell proliferation, cell cycle, and cell invasion/migration, were conducted after miR-320a silencing and overexpression. The specific target genes of miR-320a were predicted by TargetScan algorithm and then determined by dual luciferase reporter assay and rescue experiment. The relationship between miR-320a and its target genes was explored in human breast cancer tissues. We found that miR-320a overexpression could inhibit breast cancer invasion and migration abilities in vitro, while miR-320a silencing could enhance that. In addition, miR-320a could suppress activity of 3′-untranslated region luciferase of metadherin (MTDH), a potent oncogene. The rescue experiment revealed that MTDH was a functional target of miR-320a. Moreover, we found that MTDH was negatively correlated with miR-320a expression, and it was related to clinical outcomes of breast cancer. Further xenograft experiment also showed that miR-320a could inhibit breast cancer metastasis in vivo. Our findings clearly demonstrate that miR-320a suppresses breast cancer metastasis by directly inhibiting MTDH expression. The present study provides a new insight into anti-oncogenic roles of miR-320a and suggests that miR-320a/MTDH pathway is a putative therapeutic target in breast cancer.
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Affiliation(s)
- Juan Yu
- Department of Pathology, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China
| | - Ji-Gang Wang
- Department of Pathology, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China.,Department of Pathology, The Affiliated Hospital of Qingdao University, Qingdao 266003, China
| | - Lei Zhang
- Department of Pathology, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China
| | - Hai-Ping Yang
- Department of Pathology, People's Hospital, Linzi District, Zibo 255400, China
| | - Lei Wang
- Department of Pathology, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China
| | - Di Ding
- Department of Pathology, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China
| | - Qi Chen
- Department of Pathology, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China
| | - Wen-Lin Yang
- Department of Pathology, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China
| | - Ke-Han Ren
- Department of Pathology, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China
| | - Dan-Mei Zhou
- Department of Pathology, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China
| | - Qiang Zou
- Department of Breast Surgery, Huashan Hospital, Fudan University, Shanghai 200040, China
| | - Yi-Ting Jin
- Department of Breast Surgery, Huashan Hospital, Fudan University, Shanghai 200040, China
| | - Xiu-Ping Liu
- Department of Pathology, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China.,Department of Pathology, The Fifth People's Hospital, Fudan University, Shanghai 200240, China
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142
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Gao Y, Ma H, Gao C, Lv Y, Chen X, Xu R, Sun M, Liu X, Lu X, Pei X, Li P. Tumor-promoting properties of miR-8084 in breast cancer through enhancing proliferation, suppressing apoptosis and inducing epithelial-mesenchymal transition. J Transl Med 2018; 16:38. [PMID: 29471858 PMCID: PMC5824560 DOI: 10.1186/s12967-018-1419-5] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2018] [Accepted: 02/18/2018] [Indexed: 02/06/2023] Open
Abstract
Background Breast cancer is one of the most frequent malignancies and the second leading cause of cancer-related mortality in women. MicroRNAs play a key role in breast cancer development and progression. microRNA(miR)-8084 has been observed an aberrant expression in breast cancer. However, the functions and regulatory axes of miR-8084, particularly in breast cancer, were not entirely clear. Methods miR-8084 expression in breast cancer were investigated in a GEO dataset by in silico analysis and in 42 paired tumor tissues by qPCR. The effects of deregulation of miR-8084 on breast cancer cell proliferation, migration and invasion in vitro and tumorigenicity in vivo were examined by colony-formation assay, wound healing assay, transwell assay and nude mouse subcutaneous tumor formation model. The target gene of miR-8084 were predicted by TargetScan and miRDB, and confirmed by luciferase reporter system. The roles of miR-8084 in the breast cancer cell proliferation, apoptosis and epithelial–mesenchymal transition (EMT) were investigated by MTS, FACS and associated-marker detection by western blot. Results miR-8084 is significantly up-regulated in both serum and malignant tissues from the source of breast cancer patients. miR-8084 promotes the proliferation of breast cancer cells by activating ERK1/2 and AKT. Meanwhile miR-8084 inhibits apoptosis by decreasing p53-BAX related pathway. miR-8084 also enhances migration and invasion by inducing EMT. Moreover, the tumor suppressor ING2 is a potential target of miR-8084, and miR-8084 regulatory axes contribute to pro-tumor effect, at least partially through regulating ING2. Conclusion Our results strongly suggest that miR-8084 functions as an oncogene that promotes the development and progression of breast cancer, and miR-8084 is a potential new diagnostic marker and therapeutic target of breast cancer.
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Affiliation(s)
- Yujing Gao
- Key Laboratory of Fertility Preservation and Maintenance of Ministry of Education, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Ningxia Medical University, Yinchuan, China.
| | - Hongning Ma
- Key Laboratory of Fertility Preservation and Maintenance of Ministry of Education, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Ningxia Medical University, Yinchuan, China
| | - Chanchan Gao
- Department of Oncology, Zhongda Hospital, Southeast University, Nanjing, China
| | - Ye Lv
- Oncology Department of Cancer Hospital, General Hospital, Ningxia Medical University, Yinchuan, China
| | - XueHua Chen
- Department of Pediatrics, Ruijin Hospital and Ruijin Hospital North, Shanghai Jiao Tong University School of Medicine, 197 Ruijin Er Rd, Shanghai, 200025, People's Republic of China
| | - Rongrong Xu
- Key Laboratory of Fertility Preservation and Maintenance of Ministry of Education, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Ningxia Medical University, Yinchuan, China
| | - Miao Sun
- Key Laboratory of Fertility Preservation and Maintenance of Ministry of Education, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Ningxia Medical University, Yinchuan, China
| | - Xinrui Liu
- Key Laboratory of Fertility Preservation and Maintenance of Ministry of Education, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Ningxia Medical University, Yinchuan, China
| | - Xiaohong Lu
- Key Laboratory of Fertility Preservation and Maintenance of Ministry of Education, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Ningxia Medical University, Yinchuan, China
| | - Xiuying Pei
- Key Laboratory of Fertility Preservation and Maintenance of Ministry of Education, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Ningxia Medical University, Yinchuan, China.
| | - Pu Li
- Department of Pediatrics, Ruijin Hospital and Ruijin Hospital North, Shanghai Jiao Tong University School of Medicine, 197 Ruijin Er Rd, Shanghai, 200025, People's Republic of China.
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143
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Rohan T, Ye K, Wang Y, Glass AG, Ginsberg M, Loudig O. MicroRNA expression in benign breast tissue and risk of subsequent invasive breast cancer. PLoS One 2018; 13:e0191814. [PMID: 29432432 PMCID: PMC5809016 DOI: 10.1371/journal.pone.0191814] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2017] [Accepted: 01/11/2018] [Indexed: 01/06/2023] Open
Abstract
MicroRNAs are endogenous, small non-coding RNAs that control gene expression by directing their target mRNAs for degradation and/or posttranscriptional repression. Abnormal expression of microRNAs is thought to contribute to the development and progression of cancer. A history of benign breast disease (BBD) is associated with increased risk of subsequent breast cancer. However, no large-scale study has examined the association between microRNA expression in BBD tissue and risk of subsequent invasive breast cancer (IBC). We conducted discovery and validation case-control studies nested in a cohort of 15,395 women diagnosed with BBD in a large health plan between 1971 and 2006 and followed to mid-2015. Cases were women with BBD who developed subsequent IBC; controls were matched 1:1 to cases on age, age at diagnosis of BBD, and duration of plan membership. The discovery stage (316 case-control pairs) entailed use of the Illumina MicroRNA Expression Profiling Assay (in duplicate) to identify breast cancer-associated microRNAs. MicroRNAs identified at this stage were ranked by the strength of the correlation between Illumina array and quantitative PCR results for 15 case-control pairs. The top ranked 14 microRNAs entered the validation stage (165 case-control pairs) which was conducted using quantitative PCR (in triplicate). In both stages, linear regression was used to evaluate the association between the mean expression level of each microRNA (response variable) and case-control status (independent variable); paired t-tests were also used in the validation stage. None of the 14 validation stage microRNAs was associated with breast cancer risk. The results of this study suggest that microRNA expression in benign breast tissue does not influence the risk of subsequent IBC.
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Affiliation(s)
- Thomas Rohan
- Department of Epidemiology and Population Health, Albert Einstein College of Medicine, Bronx, New York, United States of America
- * E-mail:
| | - Kenny Ye
- Department of Epidemiology and Population Health, Albert Einstein College of Medicine, Bronx, New York, United States of America
| | - Yihong Wang
- Warren Alpert Medical School of Brown University, Providence, Rhode Island, United States of America
| | - Andrew G. Glass
- Center for Health Research, Kaiser Permanente Northwest, Portland, Oregon, United States of America
| | - Mindy Ginsberg
- Department of Epidemiology and Population Health, Albert Einstein College of Medicine, Bronx, New York, United States of America
| | - Olivier Loudig
- Hackensack University Medical Center, Hackensack, New Jersey, United States of America
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144
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Xu X, Zhang Y, Jasper J, Lykken E, Alexander PB, Markowitz GJ, McDonnell DP, Li QJ, Wang XF. MiR-148a functions to suppress metastasis and serves as a prognostic indicator in triple-negative breast cancer. Oncotarget 2018; 7:20381-94. [PMID: 26967387 PMCID: PMC4991462 DOI: 10.18632/oncotarget.7953] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2016] [Accepted: 02/15/2016] [Indexed: 12/21/2022] Open
Abstract
Triple-negative breast cancer (TNBC) presents a major challenge in the clinic due to its lack of reliable prognostic markers and targeted therapies. Accumulating evidence strongly supports the notion that microRNAs (miRNAs) are involved in tumorigenesis and could serve as biomarkers for diagnostic purposes. To identify miRNAs that functionally suppress metastasis of TNBC, we employed a concerted approach with selecting miRNAs that display differential expression profiles from bioinformatic analyses of breast cancer patient databases and validating top candidates with functional assays using breast cancer cell lines and mouse models. We have found that miR-148a exhibits properties as a tumor suppressor as its expression is inversely correlated with the ability of both human and mouse breast cancer cells to colonize the lung in mouse xenograft tumor models. Mechanistically, miR-148a appears to suppress the extravasation process of cancer cells, likely by targeting two genes WNT1 and NRP1 in a cell non-autonomous manner. Importantly, lower expression of miR-148a is detected in higher-grade tumor samples and correlated with increased likelihood to develop metastases and poor prognosis in subsets of breast cancer patients, particularly those with TNBC. Thus, miR-148a is functionally defined as a suppressor of breast cancer metastasis and may serve as a prognostic biomarker for this disease.
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Affiliation(s)
- Xin Xu
- Department of Pharmacology and Cancer Biology, Duke University Medical Center, Durham, North Carolina, USA
| | - Yun Zhang
- Department of Pharmacology and Cancer Biology, Duke University Medical Center, Durham, North Carolina, USA
| | - Jeff Jasper
- Department of Pharmacology and Cancer Biology, Duke University Medical Center, Durham, North Carolina, USA
| | - Erik Lykken
- Department of Immunology, Duke University Medical Center, Durham, North Carolina, USA
| | - Peter B Alexander
- Department of Pharmacology and Cancer Biology, Duke University Medical Center, Durham, North Carolina, USA
| | - Geoffrey J Markowitz
- Department of Pharmacology and Cancer Biology, Duke University Medical Center, Durham, North Carolina, USA
| | - Donald P McDonnell
- Department of Pharmacology and Cancer Biology, Duke University Medical Center, Durham, North Carolina, USA
| | - Qi-Jing Li
- Department of Immunology, Duke University Medical Center, Durham, North Carolina, USA
| | - Xiao-Fan Wang
- Department of Pharmacology and Cancer Biology, Duke University Medical Center, Durham, North Carolina, USA
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145
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Abstract
MicroRNAs (miRNAs) are small RNA molecules, with their role in gene silencing and translational repression by binding to target mRNAs. Since it was discovered in 1993, miRNA are found in all eukaryotic cells conserved across the species. In recent years, regulation of miRNAs are extensively studied for their role in biological processes as well as in development and progression of various human diseases including retinal disorder, neurodegenerative diseases, cardiovascular disease and cancer. This chapter summarises miRNA biogenesis and explores their potential roles in a variety of diseases. miRNAs holds huge potential for diagnostic and prognostic biomarkers, and as predictors of drug response.
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146
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Pasculli B, Barbano R, Parrella P. Epigenetics of breast cancer: Biology and clinical implication in the era of precision medicine. Semin Cancer Biol 2018; 51:22-35. [PMID: 29339244 DOI: 10.1016/j.semcancer.2018.01.007] [Citation(s) in RCA: 94] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2017] [Revised: 12/15/2017] [Accepted: 01/11/2018] [Indexed: 02/09/2023]
Abstract
In the last years, mortality from breast cancer has declined in western countries as a consequence of a more widespread screening resulting in earlier detection, as well as an improved molecular classification and advances in adjuvant treatment. Nevertheless, approximately one third of breast cancer patients will develop distant metastases and eventually die for the disease. There is now a compelling body of evidence suggesting that epigenetic modifications comprising DNA methylation and chromatin remodeling play a pivotal role since the early stages of breast cancerogenesis. In addition, recently, increasing emphasis is being placed on the property of ncRNAs to finely control gene expression at multiple levels by interacting with a wide array of molecules such that they might be designated as epigenetic modifiers. In this review, we summarize the current knowledge about the involvement of epigenetic modifications in breast cancer, and provide an overview of the significant association of epigenetic traits with the breast cancer clinicopathological features, emphasizing the potentiality of epigenetic marks to become biomarkers in the context of precision medicine.
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Affiliation(s)
- Barbara Pasculli
- Laboratory of Oncology, IRCCS "Casa Sollievo della Sofferenza", 71013, San Giovanni Rotondo, FG, Italy.
| | - Raffaela Barbano
- Laboratory of Oncology, IRCCS "Casa Sollievo della Sofferenza", 71013, San Giovanni Rotondo, FG, Italy.
| | - Paola Parrella
- Laboratory of Oncology, IRCCS "Casa Sollievo della Sofferenza", 71013, San Giovanni Rotondo, FG, Italy.
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147
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Block I, Burton M, Sørensen KP, Andersen L, Larsen MJ, Bak M, Cold S, Thomassen M, Tan Q, Kruse TA. Association of miR-548c-5p, miR-7-5p, miR-210-3p, miR-128-3p with recurrence in systemically untreated breast cancer. Oncotarget 2018; 9:9030-9042. [PMID: 29507672 PMCID: PMC5823652 DOI: 10.18632/oncotarget.24088] [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: 09/24/2017] [Accepted: 01/02/2018] [Indexed: 01/10/2023] Open
Abstract
Current prognostic markers allocate the majority of lymph node (LN) negative and estrogen receptor (ER) positive breast cancer patients into the high-risk group. Accordingly, most patients receive systemic treatments although approximately 40% of these patients may have been cured by surgery and radiotherapy alone. Two studies identified seven prognostic microRNAs in systemically untreated, LN negative and ER positive breast cancer patients which may allow more precise patient classification. However, six of the seven microRNAs were analyzed in both studies but only found to be prognostic in one study. To validate their prognostic potential, we analyzed microRNA expression in an independent cohort (n = 110) using a pair-matched study design minimizing dependence of classical markers. The expression of hsa-miR-548c-5p was significantly associated with abridged disease-free survival (hazard ratio [HR]:1.96, p = 0.027). Contradicting published results, high hsa-miR-516-3p expression was associated with favorable outcome (HR:0.29, p = 0.0068). The association is probably time-dependent indicating later relapse. Additionally, re-analysis of previously published expression data of two matching cohorts (n = 100, n = 255) supports an association of hsa-miR-128-3p with shortened disease-free survival (HR:2.48, p = 0.0033) and an upregulation of miR-7-5p (p = 0.0038; p = 0.039) and miR-210-3p (p = 0.031) in primary tumors of patients who experienced metastases. Further analysis may verify the prognostic potential of these microRNAs.
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Affiliation(s)
- Ines Block
- Department of Clinical Genetics, Odense University Hospital, Odense, Denmark
| | - Mark Burton
- Department of Clinical Genetics, Odense University Hospital, Odense, Denmark.,Human Genetics, Department of Clinical Research, University of Southern Denmark, Odense, Denmark
| | - Kristina P Sørensen
- Department of Clinical Genetics, Odense University Hospital, Odense, Denmark
| | - Lars Andersen
- Department of Clinical Genetics, Odense University Hospital, Odense, Denmark.,Human Genetics, Department of Clinical Research, University of Southern Denmark, Odense, Denmark
| | - Martin J Larsen
- Department of Clinical Genetics, Odense University Hospital, Odense, Denmark.,Human Genetics, Department of Clinical Research, University of Southern Denmark, Odense, Denmark
| | - Martin Bak
- Department of Pathology, Odense University Hospital, Odense, Denmark
| | - Søren Cold
- Department of Oncology, Odense University Hospital, Odense, Denmark
| | - Mads Thomassen
- Department of Clinical Genetics, Odense University Hospital, Odense, Denmark.,Human Genetics, Department of Clinical Research, University of Southern Denmark, Odense, Denmark
| | - Qihua Tan
- Human Genetics, Department of Clinical Research, University of Southern Denmark, Odense, Denmark.,Epidemiology, Department of Public Health, University of Southern Denmark, Odense, Denmark
| | - Torben A Kruse
- Department of Clinical Genetics, Odense University Hospital, Odense, Denmark.,Human Genetics, Department of Clinical Research, University of Southern Denmark, Odense, Denmark
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148
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Chang L, Hu Z, Zhou Z, Zhang H. Retracted Article: SNHG3 promotes proliferation and invasion by regulating the miR-101/ZEB1 axis in breast cancer. RSC Adv 2018; 8:15229-15240. [PMID: 35541333 PMCID: PMC9080013 DOI: 10.1039/c8ra02090f] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2018] [Accepted: 04/05/2018] [Indexed: 12/28/2022] Open
Abstract
Background: Dysregulated lncRNA expression contributes to the pathogenesis of human tumors via the lncRNAs functioning as oncogenes or tumor suppressors. Small nucleolar RNA host gene 3 (SNHG3) was demonstrated to be upregulated in breast cancer cells. However, the detailed roles and molecular mechanism of SNHG3 in breast cancer are largely unknown. Methods: The expression of SNHG3, miR-101, and zinc finger E-box-binding protein 1 (ZEB1) in breast cancer tissues and cells was detected using qRT-PCR. The effects of SNHG3 on cell proliferation and invasion were evaluated using MTT, EdU, and cell invasion assays. The protein levels of Ki-67, proliferating cell nuclear antigen (PCNA), matrix metalloproteinase MMP-2, and MMP-9 were analyzed using western blot analysis. A luciferase reporter assay and RNA immunoprecipitation (RIP) were performed to explore the interaction between SNHG3, ZEB1 and miR-101. A subcellular fractionation assay was used to detect the subcellular location of SNHG3. Xenograft tumor experiments were conducted to verify the role and mechanism of SNHG3 in breast cancer in vivo. Results: SNHG3 expression was upregulated in breast cancer tissues and correlated with poor prognosis. SNHG3 knockdown suppressed breast cancer cell proliferation and invasion, which was further demonstrated by high levels of proliferation marker proteins Ki-67/PCNA and metastasis-related proteins MMP-2/MMP-9. Additionally, SNHG3 was located in the cytoplasm of breast cancer cells. SNHG3 functioned as a molecular sponge for miR-101 in breast cancer cells. miR-101 was downregulated in breast cancer tissues and negatively correlated with SNHG3 expression. Moreover, ZEB1, a target of miR-101, was positively regulated by SNHG3 in breast cancer cells. ZEB1 mRNA expression was upregulated in breast cancer tissues and positively correlated with SNHG3 expression. Mechanistically, SNHG3 knockdown suppressed cell proliferation and invasion by upregulation of miR-101 and downregulation of ZEB1 expression in breast cancer cells in vitro and in vivo. Conclusion: SNHG3 promoted proliferation and invasion by regulating the miR-101/ZEB1 axis in breast cancer. In the present study, we investigated the expression and functional roles of SNHG3 in breast cancer cells, as well as the underlying mechanism of SNHG3 involved in the progression of breast cancer in vitro and in vivo.![]()
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Affiliation(s)
- Liang Chang
- Department of Thyroid Breast Surgery
- Huaihe Hospital of Henan University
- Kaifeng
- China
| | - Zhuang Hu
- Department of Thyroid Breast Surgery
- Huaihe Hospital of Henan University
- Kaifeng
- China
| | - Zhenyu Zhou
- Department of Thyroid Breast Surgery
- Huaihe Hospital of Henan University
- Kaifeng
- China
| | - Hui Zhang
- Department of Gastroenterology
- Huaihe Hospital of Henan University
- Kaifeng
- China
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149
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Ferruelo A, Peñuelas Ó, Lorente JA. MicroRNAs as biomarkers of acute lung injury. ANNALS OF TRANSLATIONAL MEDICINE 2018; 6:34. [PMID: 29430451 DOI: 10.21037/atm.2018.01.10] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Acute respiratory distress syndrome (ARDS) is a common and complex inflammatory lung diseases affecting critically ill patients requiring mechanical ventilation. MicroRNAs (miRNAs), a novel pathway of non-coding RNA molecules that regulate gene expression at the post-transcriptional level, have emerged as a novel class of gene expression, and can play important roles in inflammation or apoptosis, which are common manifestations of ARDS and diffuse alveolar damage (DAD). In the present review, we discuss the role of miRNAs as biomarkers of ARDS and DAD, and their potential use as therapeutic targets for this condition.
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Affiliation(s)
- Antonio Ferruelo
- Department of Critical Care, Hospital Universitario de Getafe, Madrid, Spain.,CIBER de Enfermedades Respiratorias, Madrid, Spain
| | - Óscar Peñuelas
- Department of Critical Care, Hospital Universitario de Getafe, Madrid, Spain.,CIBER de Enfermedades Respiratorias, Madrid, Spain.,Department of Medicine, Universidad Europea, Madrid, Spain
| | - José A Lorente
- Department of Critical Care, Hospital Universitario de Getafe, Madrid, Spain.,CIBER de Enfermedades Respiratorias, Madrid, Spain.,Department of Medicine, Universidad Europea, Madrid, Spain
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150
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Li HY, Liang JL, Kuo YL, Lee HH, Calkins MJ, Chang HT, Lin FC, Chen YC, Hsu TI, Hsiao M, Ger LP, Lu PJ. miR-105/93-3p promotes chemoresistance and circulating miR-105/93-3p acts as a diagnostic biomarker for triple negative breast cancer. Breast Cancer Res 2017; 19:133. [PMID: 29258605 PMCID: PMC5738224 DOI: 10.1186/s13058-017-0918-2] [Citation(s) in RCA: 113] [Impact Index Per Article: 16.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2017] [Accepted: 11/15/2017] [Indexed: 12/14/2022] Open
Abstract
Background Triple negative breast cancer (TNBC) lacks both early detection biomarkers and viable targeted therapeutics. Moreover, chemotherapy only produces 20–30% pathologic complete response. Because miRNAs are frequently dysregulated in breast cancer and have broad tissue effects, individual or combinations of circulating miRNAs may serve as ideal diagnostic, predictive or prognostic biomarkers, as well as therapeutic targets. Understanding the role and mechanism of dysregulated miRNAs in TNBC may help to develop novel diagnostic and prognostic strategy for TNBC patients. Methods The miRNA array profiles of 1299 breast cancer patients were collected from the Metabric database and subjected to analysis of the altered miRNAs between TNBC and non-TNBC. In Student’s t-test and Kaplan-Meier analysis, four upregulated miRNAs correlated with poor survival in TNBC but not in non-TNBC. Four miRNAs were manipulated in multiple cell lines to investigate their functional role in carcinogenesis. From these results, we studied miR-105 and miR-93-3p in greater detail. The level of miR-105 and miR-93-3p were evaluated in 25 breast cancer tumor tissues. In addition, the diagnostic utility of circulating miR-105 and miR-93-3p were examined in 12 normal and 118 breast cancer plasma samples by ROC curve construction. Results miR-105 and miR-93-3p were upregulated and correlated with poor survival in TNBC patients. Both miR-105 and miR-93-3p were found to activate Wnt/β-catenin signaling by downregulation of SFPR1. By this action, stemness, chemoresistance, and metastasis were promoted. Importantly, the combination of circulating miR-105/93-3p may serve as a powerful biomarker for TNBC, even in early-stage disease. Conclusions miR-105/93-3p activates Wnt/β-catenin signaling by downregulating SFRP1 and thereby promotes stemness, chemoresistance, and metastasis in TNBC cells. Most importantly, combined circulating miR-105/93-3p levels represent a prime candidate for development into a diagnostic biomarker for both early- and late-stage TNBC. Electronic supplementary material The online version of this article (doi:10.1186/s13058-017-0918-2) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Hao-Yi Li
- Institute of Clinical Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Jui-Lin Liang
- Institute of Clinical Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan.,Department of General Surgery, Chi-Mei Medical Center, Liouying, Tainan, Taiwan
| | - Yao-Lung Kuo
- Department of General Surgery, National Cheng Kung University Hospital, Tainan, Taiwan.,Department of Surgery, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Hao-Hsien Lee
- Department of General Surgery, Chi-Mei Medical Center, Liouying, Tainan, Taiwan
| | - Marcus J Calkins
- Institute of Clinical Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Hong-Tai Chang
- Department of Surgery, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
| | - Forn-Chia Lin
- Department of Radiation Oncology, National Cheng Kung University Hospital, Tainan, Taiwan
| | - Yu-Chia Chen
- Division of General Surgery, Department of Surgery, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
| | - Tai-I Hsu
- Department of Orthopedics, National Cheng Kung University Hospital, Tainan, Taiwan.,Department of Orthopedics, E-DA Hospital, Kaohsiung, Taiwan
| | - Michael Hsiao
- Genomics Research Center, Academia Sinica, Taipei, Taiwan.,Department of Biochemistry, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Luo-Ping Ger
- Department of Medical Education and Research, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan.
| | - Pei-Jung Lu
- Institute of Clinical Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan. .,Department of Clinical Medicine Research, National Cheng Kung University Hospital, Tainan, Taiwan. .,Graduate Institute of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.
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