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Alexandre D, Fernandes AR, Baptista PV, Cruz C. Evaluation of miR-155 silencing using a molecular beacon in human lung adenocarcinoma cell line. Talanta 2024; 274:126052. [PMID: 38608633 DOI: 10.1016/j.talanta.2024.126052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2024] [Revised: 03/26/2024] [Accepted: 04/04/2024] [Indexed: 04/14/2024]
Abstract
Lung cancer (LC) is a leading cause of global cancer-related deaths, highlighting the development of innovative methods for biomarker detection improving the early diagnostics. microRNAs (miRs) alterations are known to be involved in the initiation and progression of human cancers and can act as biomarkers for diagnostics and treatment. Herein, we develop the application of molecular beacon (MB) technology to monitor miR-155-3p expression in human lung adenocarcinoma A549 cells without complementary DNA synthesis, amplification, or expensive reagents. Furthermore, we produced gold nanoparticles (AuNPs) for delivering antisense oligonucleotides into A549 cells to reduce miR-155-3p expression, which was subsequently detectable using the MB. The MB was designed and structural characterized by Förster Resonance Energy Transfer (FRET)-melting, Circular Dichroism (CD), Nuclear magnetic resonance (NMR), and fluorometric experiments, and then the hybridization conditions were optimized for an in vitro approach involving the detection of miR-155-3p in total RNA extracted from A549 cell line. The expression profile of miR-155-3p was obtained by RT-qPCR. The results demonstrated that MB was properly designed and showed efficacy in targeting miR-155-3p. Furthermore, a limit of detection down to nanomolar concentration was achieved and the specificity of the biosensor was proved. Moreover, the self-assembly of ASOs with AuNPs exhibited exceptional target specificity, effectively silencing miR-155-3p. Notably, compared to lipid-based transfection agent, AuNPs displayed superior silencing efficiency. We highlighted the ability of MB to detect changes in the target gene expression after gene silencing. Overall, this innovative approach represents a promising tool for detecting various biomarkers at the same time, with potential applications in clinical settings.
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Affiliation(s)
- Daniela Alexandre
- CICS-UBI - Health Sciences Research Centre, University of Beira Interior, 6200-506, Covilhã, Portugal; UCIBIO, Department of Life Sciences, Faculdade de Ciências e Tecnologia, Universidade NOVA de Lisboa, 2829-516, Caparica, Portugal
| | - Alexandra R Fernandes
- UCIBIO, Department of Life Sciences, Faculdade de Ciências e Tecnologia, Universidade NOVA de Lisboa, 2829-516, Caparica, Portugal; i4HB, Associate Laboratory - Institute for Health and Bioeconomy, FCT-NOVA, Portugal
| | - Pedro V Baptista
- UCIBIO, Department of Life Sciences, Faculdade de Ciências e Tecnologia, Universidade NOVA de Lisboa, 2829-516, Caparica, Portugal; i4HB, Associate Laboratory - Institute for Health and Bioeconomy, FCT-NOVA, Portugal.
| | - Carla Cruz
- CICS-UBI - Health Sciences Research Centre, University of Beira Interior, 6200-506, Covilhã, Portugal; Departamento de Química, Faculdade de Ciências da Universidade da Beira Interior, 6201-001, Covilhã, Portugal.
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McNall S, Hooper K, Sullivan T, Rieger-Christ K, Clements M. Treatment Modalities for Non-Muscle Invasive Bladder Cancer: An Updated Review. Cancers (Basel) 2024; 16:1843. [PMID: 38791924 PMCID: PMC11120410 DOI: 10.3390/cancers16101843] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2024] [Revised: 05/01/2024] [Accepted: 05/05/2024] [Indexed: 05/26/2024] Open
Abstract
The landscape of treatment for non-muscle invasive bladder cancer is rapidly changing. A complete and careful transurethral resection is the mainstay of initial treatment and is followed by intravesical therapy in intermediate or high-risk cases. The standard of care is intravesical BCG. Many alternative or additive approaches to this are being explored. We divided this review into three relevant spaces to consider these novel treatment approaches: (1) low-risk disease, for which intravesical therapy is not usually considered, (2) BCG-naïve disease (i.e., considering alternatives to the standard therapy), and (3) BCG-unresponsive disease. We performed a review of published literature and summarized ongoing trials in the United States. Novel approaches that we explored include surgical techniques for resection, alterations in dwell time for intravesical therapy, delivery method and schedule of intravesical therapies, new intravesical therapy agents, and systemic therapies (especially immunotherapy). These are thoroughly outlined throughout this review article, and the numerous modalities being studied demonstrate significant promise for the future treatment of the expanding space of NMIBC.
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Affiliation(s)
- Shannon McNall
- Department of Urology, Lahey Hospital & Medical Center, Burlington, MA 01805, USA; (K.R.-C.); (M.C.)
| | - Kailey Hooper
- Department of Translational Research, Lahey Hospital & Medical Center, Burlington, MA 01805, USA; (K.H.); (T.S.)
| | - Travis Sullivan
- Department of Translational Research, Lahey Hospital & Medical Center, Burlington, MA 01805, USA; (K.H.); (T.S.)
| | - Kimberly Rieger-Christ
- Department of Urology, Lahey Hospital & Medical Center, Burlington, MA 01805, USA; (K.R.-C.); (M.C.)
- Department of Translational Research, Lahey Hospital & Medical Center, Burlington, MA 01805, USA; (K.H.); (T.S.)
| | - Matthew Clements
- Department of Urology, Lahey Hospital & Medical Center, Burlington, MA 01805, USA; (K.R.-C.); (M.C.)
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Moutabian H, Radi UK, Saleman AY, Adil M, Zabibah RS, Chaitanya MNL, Saadh MJ, Jawad MJ, Hazrati E, Bagheri H, Pal RS, Akhavan-Sigari R. MicroRNA-155 and cancer metastasis: Regulation of invasion, migration, and epithelial-to-mesenchymal transition. Pathol Res Pract 2023; 250:154789. [PMID: 37741138 DOI: 10.1016/j.prp.2023.154789] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/23/2023] [Revised: 08/24/2023] [Accepted: 09/01/2023] [Indexed: 09/25/2023]
Abstract
Among the leading causes of death globally has been cancer. Nearly 90% of all cancer-related fatalities are attributed to metastasis, which is the growing of additional malignant growths out of the original cancer origin. Therefore, a significant clinical need for a deeper comprehension of metastasis exists. Beginning investigations are being made on the function of microRNAs (miRNAs) in the metastatic process. Tiny non-coding RNAs called miRNAs have a crucial part in controlling the spread of cancer. Some miRNAs regulate migration, invasion, colonization, cancer stem cells' properties, the epithelial-mesenchymal transition (EMT), and the microenvironment, among other processes, to either promote or prevent metastasis. One of the most well-conserved and versatile miRNAs, miR-155 is primarily distinguished by overexpression in a variety of illnesses, including malignant tumors. It has been discovered that altered miR-155 expression is connected to a number of physiological and pathological processes, including metastasis. As a result, miR-155-mediated signaling pathways were identified as possible cancer molecular therapy targets. The current research on miR-155, which is important in controlling cancer cells' invasion, and metastasis as well as migration, will be summarized in the current work. The crucial significance of the lncRNA/circRNA-miR-155-mRNA network as a crucial regulator of carcinogenesis and a player in the regulation of signaling pathways or related genes implicated in cancer metastasis will be covered in the final section. These might provide light on the creation of fresh treatment plans for controlling cancer metastasis.
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Affiliation(s)
- Hossein Moutabian
- Radiation Sciences Research Center (RSRC), AJA University of Medical Sciences, Tehran, Iran
| | - Usama Kadem Radi
- College of Pharmacy, National University of Science and Technology, Dhi Qar, Iraq
| | | | | | - Rahman S Zabibah
- Medical Laboratory Technology Department, College of Medical Technology, The Islamic University, Najaf, Iraq
| | - Mv N L Chaitanya
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Punjab 144402, India
| | - Mohamed J Saadh
- Faculty of Pharmacy, Middle East University, Amman 11831, Jordan; Applied Science Research Center. Applied Science Private University, Amman, Jordan
| | | | - Ebrahi Hazrati
- Trauma Research Center, AJA University of Medical Sciences, Tehran, Iran
| | - Hamed Bagheri
- Radiation Sciences Research Center (RSRC), AJA University of Medical Sciences, Tehran, Iran; Radiation Biology Research Center, Iran University of Medical Sciences, Tehran, Iran.
| | - Rashmi Saxena Pal
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Punjab 144402, India
| | - Reza Akhavan-Sigari
- Department of Neurosurgery, University Medical Center, Tuebingen, Germany; Department of Health Care Management and Clinical Research, Collegium Humanum Warsaw Management University, Warsaw, Poland
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4
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Badwei N. Molecular Clues for Prediction of Hepatocellular Carcinoma Recurrence After Liver Transplantation. J Clin Exp Hepatol 2023; 13:804-812. [PMID: 37693263 PMCID: PMC10482986 DOI: 10.1016/j.jceh.2023.02.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/11/2022] [Accepted: 02/15/2023] [Indexed: 09/12/2023] Open
Abstract
Recurrence after liver transplantation (LT) for hepatocellular carcinoma (HCC) is one of the commonest causes of cancer-related mortality. Thus, advances in the HCC molecular features have paid researchers great attention to identifying the different risk factors that could aid in liver cancer initiation and progression for earlier prediction of post-operative HCC recurrence risk. Our review has focused on the possible molecular onco-drivers' for HCC recurrence post-LT that may represent diagnostic/prognostic tools and scoring models for the proper selection of LT candidates with HCC.
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Affiliation(s)
- Nourhan Badwei
- Tropical Medicine, Gastroenterology and Hepatology, Faculty of Medicine, Ain Shams University, Cairo, Egypt
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Wu Y, Hong Q, Lu F, Zhang Z, Li J, Nie Z, He B. The Diagnostic and Prognostic Value of miR-155 in Cancers: An Updated Meta-analysis. Mol Diagn Ther 2023; 27:283-301. [PMID: 36939982 DOI: 10.1007/s40291-023-00641-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/07/2023] [Indexed: 03/21/2023]
Abstract
BACKGROUND MicroRNA-155 has been discussed as a biomarker in cancer diagnosis and prognosis. Although relevant studies have been published, the role of microRNA-155 remains uncertain because of insufficient data. METHODS We conducted a literature search in PubMed, Embase, and Web of Science databases to obtain relevant articles and extract data to evaluate the role of microRNA-155 in cancer diagnosis and prognosis. RESULTS The pooled results showed that microRNA-155 presented a remarkable diagnostic value in cancers (area under the curve = 0.90, 95% confidence interval (CI 0.87-0.92; sensitivity = 0.83, 95% CI 0.79-0.87; specificity = 0.83, 95% CI 0.80-0.86), which was maintained in the subgroups stratified by ethnicity (Asian and Caucasian), cancer types (breast cancer, lung cancer, hepatocellular carcinoma, leukemia, and pancreatic ductal adenocarcinoma), sample types (plasma, serum, tissue), and sample size (n >100 and n <100). In prognosis, a combined hazard ratio (HR) showed that microRNA-155 was significantly associated with poor overall survival (HR = 1.38, 95% CI 1.25-1.54) and recurrence-free survival (HR = 2.13, 95% CI 1.65-2.76), and was boundary significant with poor progression-free survival (HR = 1.20, 95% CI 1.00-1.44), but not significant with disease-free survival (HR = 1.14, 95% CI 0.70-1.85). Subgroup analyses in overall survival showed that microRNA-155 was associated with poor overall survival in the subgroups stratified by ethnicity and sample size. However, the significant association was maintained in cancer types subgroups of leukemia, lung cancer, and oral squamous cell carcinoma, but not in colorectal cancer, hepatocellular carcinoma, and breast cancer, and was maintained in sample types subgroups of bone marrow and tissue, but not in plasma and serum. CONCLUSIONS Results from this meta-analysis demonstrated that microRNA-155 was a valuable biomarker in cancer diagnosis and prognosis.
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Affiliation(s)
- Yanan Wu
- Department of Clinical Pharmacy, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, China
- Department of Laboratory Medicine, Nanjing First Hospital, Nanjing Medical University, 68 Changle Road, Qinhuai District, Nanjing, Jiangsu, China
| | - Qiwei Hong
- Department of Clinical Pharmacy, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, China
- Department of Laboratory Medicine, Nanjing First Hospital, Nanjing Medical University, 68 Changle Road, Qinhuai District, Nanjing, Jiangsu, China
| | - Fang Lu
- Department of Clinical Pharmacy, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, China
- Department of Laboratory Medicine, Nanjing First Hospital, Nanjing Medical University, 68 Changle Road, Qinhuai District, Nanjing, Jiangsu, China
| | - Zhongqiu Zhang
- Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jingjing Li
- Department of Laboratory Medicine, Nanjing First Hospital, Nanjing Medical University, 68 Changle Road, Qinhuai District, Nanjing, Jiangsu, China
| | - Zhenlin Nie
- Department of Laboratory Medicine, Nanjing First Hospital, Nanjing Medical University, 68 Changle Road, Qinhuai District, Nanjing, Jiangsu, China.
| | - Bangshun He
- Department of Laboratory Medicine, Nanjing First Hospital, Nanjing Medical University, 68 Changle Road, Qinhuai District, Nanjing, Jiangsu, China.
- Collaborative Innovation Center for Cancer Personalized Medicine, Nanjing Medical University, Nanjing, China.
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Pommergaard HC. Prognostic biomarkers in and selection of surgical patients with hepatocellular carcinoma. APMIS 2023; 131 Suppl 146:1-39. [PMID: 37186326 DOI: 10.1111/apm.13309] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/17/2023]
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Kalantzakos T, Hooper K, Das S, Sullivan T, Canes D, Moinzadeh A, Rieger-Christ K. MicroRNA-155-5p Targets JADE-1, Promoting Proliferation, Migration, and Invasion in Clear Cell Renal Cell Carcinoma Cells. Int J Mol Sci 2023; 24:ijms24097825. [PMID: 37175531 PMCID: PMC10178234 DOI: 10.3390/ijms24097825] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Revised: 03/30/2023] [Accepted: 04/20/2023] [Indexed: 05/15/2023] Open
Abstract
Clear cell renal cell carcinoma (ccRCC) incidence has been rising in recent years, with strong association between differential microRNA (miRNA) expression and neoplastic progression. Specifically, overexpression of miR-155-5p has been associated with promoting aggressive cancer in ccRCC and other cancers. In this study, we further investigate the role of this miRNA and one of its protein targets, Jade-1, to better understand the mechanism behind aggressive forms of ccRCC. Jade-1, a tumor suppressor, is stabilized by Von-Hippel Lindau (VHL), which is frequently mutated in ccRCC. Experiments featuring downregulation of miR-155-5p in two ccRCC cell lines (786-O and Caki-1) attenuated their oncogenic potential and led to increased levels of Jade-1. Conversely, knockdown experiments with an anti-Jade-1 shRNA in 786-O and Caki-1 cells showed increased metastatic potential through elevated proliferation, migration, and invasion rates. In a mouse xenograft model, downregulation of miR-155 decreased the rate of tumor implantation and proliferation. Direct interaction between miR-155-5p and Jade-1 was confirmed through a 3'UTR luciferase reporter assay. These findings further elucidate the mechanism of action of miR-155-5p in driving an aggressive phenotype in ccRCC through its role in regulating Jade-1.
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Affiliation(s)
- Thomas Kalantzakos
- Department of Translational Research, Lahey Hospital and Medical Center, Burlington, MA 01805, USA
| | - Kailey Hooper
- Department of Translational Research, Lahey Hospital and Medical Center, Burlington, MA 01805, USA
| | - Sanjna Das
- Department of Translational Research, Lahey Hospital and Medical Center, Burlington, MA 01805, USA
| | - Travis Sullivan
- Department of Translational Research, Lahey Hospital and Medical Center, Burlington, MA 01805, USA
| | - David Canes
- Department of Urology, Lahey Hospital and Medical Center, Burlington, MA 01805, USA
| | - Alireza Moinzadeh
- Department of Urology, Lahey Hospital and Medical Center, Burlington, MA 01805, USA
| | - Kimberly Rieger-Christ
- Department of Translational Research, Lahey Hospital and Medical Center, Burlington, MA 01805, USA
- Department of Urology, Lahey Hospital and Medical Center, Burlington, MA 01805, USA
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8
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Xue X, Wang J, Fu K, Dai S, Wu R, Peng C, Li Y. The role of miR-155 on liver diseases by modulating immunity, inflammation and tumorigenesis. Int Immunopharmacol 2023; 116:109775. [PMID: 36753984 DOI: 10.1016/j.intimp.2023.109775] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Revised: 01/18/2023] [Accepted: 01/20/2023] [Indexed: 02/08/2023]
Abstract
The liver is a well-known metabolic organ that can be susceptible to external stimuli to affect its normal physiological function. Worldwide, the morbidity and mortality of liver diseases are skyrocketing every year, causing human health crises. Recently, new approaches such as biotechnology have been introduced to achieve optimal treatment and prognostic management of liver diseases. microRNAs (miRNAs), a kind of small non-coding RNA molecule, have the advantages of biodiversity, wide distribution and numerous members. Among these miRNAs, miR-155 is an important regulator of inflammation, immunity and tumorigenesis. In this review, the PubMed and Web of Science databases were searched from 2009 to 2022. After inclusion and exclusion, 64 articles were selected for a systematic review to comprehensively summarize the mechanisms of miR-155 regulating inflammation, immunity and tumorigenesis in liver diseases and liver cancer, covering in vitro, in vivo and clinical studies. Existing preclinical studies and clinical trials have listed that the up-regulation and down-regulation of miR-155 are significant in alcoholic liver injury, viral hepatitis, autoimmune hepatitis, infectious liver injury, liver transplantation and liver cancer. The immune and inflammation effects of miR-155 are manifested by regulating macrophage polarization, NK cell killing, Th17 cell and Th1/Th2 cell differentiation. Additionally, miR-155 is also committed to participating in the cell cycle, invasion and metastasis, immune escape and other processes to promote and intensify the development of liver cancer. In conclusion, miR-155 is not only a biomarker for the diagnosis and prognosis of liver diseases, but also plays a therapeutic role via regulating immunity, inflammation and tumorigenesis.
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Affiliation(s)
- Xinyan Xue
- State Key Laboratory of Southwestern Chinese Medicine Resources, Key Laboratory of Standardization for Chinese Herbal Medicine, Ministry of Education, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Jing Wang
- State Key Laboratory of Southwestern Chinese Medicine Resources, Key Laboratory of Standardization for Chinese Herbal Medicine, Ministry of Education, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Ke Fu
- State Key Laboratory of Southwestern Chinese Medicine Resources, Key Laboratory of Standardization for Chinese Herbal Medicine, Ministry of Education, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Shu Dai
- State Key Laboratory of Southwestern Chinese Medicine Resources, Key Laboratory of Standardization for Chinese Herbal Medicine, Ministry of Education, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Rui Wu
- State Key Laboratory of Southwestern Chinese Medicine Resources, Key Laboratory of Standardization for Chinese Herbal Medicine, Ministry of Education, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Cheng Peng
- State Key Laboratory of Southwestern Chinese Medicine Resources, Key Laboratory of Standardization for Chinese Herbal Medicine, Ministry of Education, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China.
| | - Yunxia Li
- State Key Laboratory of Southwestern Chinese Medicine Resources, Key Laboratory of Standardization for Chinese Herbal Medicine, Ministry of Education, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China.
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Identification of MiRNA–Disease Associations Based on Information of Multi-Module and Meta-Path. Molecules 2022; 27:molecules27144443. [PMID: 35889314 PMCID: PMC9321348 DOI: 10.3390/molecules27144443] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Revised: 07/01/2022] [Accepted: 07/08/2022] [Indexed: 12/10/2022] Open
Abstract
Cumulative research reveals that microRNAs (miRNAs) are involved in many critical biological processes including cell proliferation, differentiation and apoptosis. It is of great significance to figure out the associations between miRNAs and human diseases that are the basis for finding biomarkers for diagnosis and targets for treatment. To overcome the time-consuming and labor-intensive problems faced by traditional experiments, a computational method was developed to identify potential associations between miRNAs and diseases based on the graph attention network (GAT) with different meta-path mode and support vector (SVM). Firstly, we constructed a multi-module heterogeneous network based on the meta-path and learned the latent features of different modules by GAT. Secondly, we found the average of the latent features with weight to obtain a final node representation. Finally, we characterized miRNA–disease-association pairs with the node representation and trained an SVM to recognize potential associations. Based on the five-fold cross-validation and benchmark datasets, the proposed method achieved an area under the precision–recall curve (AUPR) of 0.9379 and an area under the receiver–operating characteristic curve (AUC) of 0.9472. The results demonstrate that our method has an outstanding practical application performance and can provide a reference for the discovery of new biomarkers and therapeutic targets.
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El-Mahdy HA, Sallam AAM, Ismail A, Elkhawaga SY, Elrebehy MA, Doghish AS. miRNAs inspirations in hepatocellular carcinoma: Detrimental and favorable aspects of key performers. Pathol Res Pract 2022; 233:153886. [PMID: 35405621 DOI: 10.1016/j.prp.2022.153886] [Citation(s) in RCA: 53] [Impact Index Per Article: 26.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 03/23/2022] [Accepted: 04/01/2022] [Indexed: 02/07/2023]
Abstract
Hepatocellular carcinoma (HCC) is the fourth leading cause of cancer-related deaths worldwide. HCC initiation, progression, and therapy failure are all influenced by various variables, including microRNAs (miRNAs). miRNAs are short non-coding RNA sequences that modulate target mRNA expression by deteriorating or repressing translation. miRNAs play an imperative role in HCC pathogenesis by triggering the induction of cancer stem cells (CSCs) and their proliferation, while also delaying apoptosis, sustaining the cell cycle, and inspiring angiogenesis, invasion, and metastasis. Additionally, miRNAs modulate crucial HCC-related molecular pathways such as the p53 pathway, the Wnt/β-catenin pathway, VEGFR2, and PTEN/PI3K/AKT pathway. Consequently, the goal of this review was to give an up-to-date overview of oncogenic and tumor suppressor (TS) miRNAs, as well as their potential significance in HCC pathogenesis and treatment responses, highlighting their underpinning molecular pathways in HCC initiation and progression. Similarly, the biological importance and clinical application of miRNAs in HCC are summarized.
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Affiliation(s)
- Hesham A El-Mahdy
- Biochemistry and Molecular Biology Department, Faculty of Pharmacy (Boys), Al-Azhar University, Nasr City 11231, Cairo, Egypt
| | - Al-Aliaa M Sallam
- Department of Biochemistry, Faculty of Pharmacy, Badr University in Cairo (BUC), Badr City, Cairo 11829, Egypt
| | - Ahmed Ismail
- Biochemistry and Molecular Biology Department, Faculty of Pharmacy (Boys), Al-Azhar University, Nasr City 11231, Cairo, Egypt
| | - Samy Y Elkhawaga
- Biochemistry and Molecular Biology Department, Faculty of Pharmacy (Boys), Al-Azhar University, Nasr City 11231, Cairo, Egypt
| | - Mahmoud A Elrebehy
- Department of Biochemistry, Faculty of Pharmacy, Badr University in Cairo (BUC), Badr City, Cairo 11829, Egypt
| | - Ahmed S Doghish
- Department of Biochemistry, Faculty of Pharmacy, Badr University in Cairo (BUC), Badr City, Cairo 11829, Egypt.
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Nickel's Role in Pancreatic Ductal Adenocarcinoma: Potential Involvement of microRNAs. TOXICS 2022; 10:toxics10030148. [PMID: 35324773 PMCID: PMC8952337 DOI: 10.3390/toxics10030148] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 03/18/2022] [Accepted: 03/20/2022] [Indexed: 02/04/2023]
Abstract
Pancreatic ductal adenocarcinoma (PDAC) is one of the most lethal cancer types with a limited overall survival rate due to the asymptomatic progression of symptoms in metastatic stages of the malignancy and the lack of an early reliable diagnostic biomarker. MicroRNAs (miRs/miRNAs) are small (~18–24 nucleotides), endogenous, non-coding RNAs, which are closely linked to the development of numerous malignancies comprising PDAC. Recent studies have described the role of environmental pollutants such as nickel (Ni) in PDAC, but the mechanisms of Ni-mediated toxicity in cancer are still not completely understood. Specifically, Ni has been found to alter the expression and function of miRs in several malignancies, leading to changes in target gene expression. In this study, we found that levels of Ni were significantly higher in cancerous tissue, thus implicating Ni in pancreatic carcinogenesis. Hence, in vitro studies followed by using both normal and pancreatic tumor cell lines and increasing Ni concentration increased lethality. Comparing LC50 values, Ni-acetate groups demonstrated lower values needed than in NiCl2 groups, suggesting greater Ni-acetate. Panc-10.05 cell line appeared the most sensitive to Ni compounds. Exposure to Ni-acetate resulted in an increased phospho-AKT, and decreased FOXO1 expression in Panc-10.05 cells, while NiCl2 also increased PTEN expression in Panc-10.05 cells. Specifically, following NiCl2 exposure to PDAC cells, the expression levels of miR-221 and miR-155 were significantly upregulated, while the expression levels of miR-126 were significantly decreased. Hence, our study has suggested pilot insights to indicate that the environmental pollutant Ni plays an important role in the progression of PDAC by promoting an association between miRs and Ni exposure during PDAC pathogenesis.
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12
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Long J, Liu B, Yao Z, Weng H, Li H, Jiang C, Fang S. miR-500a-3p is a Potential Prognostic Biomarker in Hepatocellular Carcinoma. Int J Gen Med 2022; 15:1891-1899. [PMID: 35221718 PMCID: PMC8881010 DOI: 10.2147/ijgm.s340629] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Accepted: 01/21/2022] [Indexed: 12/27/2022] Open
Abstract
Purpose miR-500a-3p has been extensively reported to be implicated in the development and progression in several human cancer types. This study aimed to investigate the diagnostic and prognostic significance of miR-500a-3p as a biomarker in hepatocellular carcinoma (HCC). Methods miR-500a-3p expression was evaluated by in situ hybridization (ISH) and real-time PCR in 10 adjacent normal tissues (ANT), 21 liver fibrosis tissues, and 110 HCC tissues. Statistical analysis was used to investigate the correlation of miR-500a-3p expression with clinicopathological features in HCC patients. Kaplan–Meier survival analysis was performed to evaluate the prognostic significance of miR-500a-3p in overall survival and recurrence-free survival in HCC patients. Results In this study, we found that expression levels of miR-500a-3p were enhanced in HCC tissues. High miR-500a-3p levels were positively correlated with multiple clinicopathological features, including advanced clinical stage, distant metastatic status, increased AFP levels and poor tumor differentiation degree. More importantly, high miR-500a-3p levels predicted poor overall survival and early recurrence in HCC patients. Finally, a strong and positive correlation of miR-500a-3p mRNA expression with ISH staining scores was observed in clinical HCC tissues. Conclusion Our findings suggest that miR-500a-3p might be used as a novel biomarker to facilitate early diagnosis and predict prognosis in HCC patients.
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Affiliation(s)
- Jianting Long
- Department of Medicinal Oncology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, 510080, People’s Republic of China
| | - Baoxian Liu
- Department of Medical Ultrasound, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, 510080, People’s Republic of China
| | - Zhijia Yao
- Department of Medicinal Oncology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, 510080, People’s Republic of China
| | - Huiwen Weng
- Department of Medicinal Oncology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, 510080, People’s Republic of China
| | - Heping Li
- Department of Medicinal Oncology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, 510080, People’s Republic of China
| | - Chunlin Jiang
- Department of General Surgery, Fifth Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510799, People’s Republic of China
- Guangzhou Key Laboratory of Enhanced Recovery After Abdominal Surgery, Fifth Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510799, People’s Republic of China
- Correspondence: Chunlin Jiang, Email
| | - Shi Fang
- Department of Clinical Nutrition, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, 510080, People’s Republic of China
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Role of circulating microRNAs to predict hepatocellular carcinoma recurrence in patients treated with radiofrequency ablation or surgery. HPB (Oxford) 2022; 24:244-254. [PMID: 34366240 DOI: 10.1016/j.hpb.2021.06.421] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Revised: 05/10/2021] [Accepted: 06/21/2021] [Indexed: 02/07/2023]
Abstract
BACKGROUND Loco-regional treatments have improved the survival of patients with early hepatocellular carcinoma (HCC), but tumor relapse is a frequent event and survival rates remain low. Moreover, conflicting evidences address early HCC patients to surgery or radiofrequency ablation (RFA), with the clinical need to find predictive non-invasive biomarkers able to guide treatment choice and define patients survival. METHODS Two independent case series of treatment-naïve HCC patients treated with local RFA, and a cohort of 30 HCC patients treated with liver surgery were enrolled. On the basis of literature evidence, we customized a panel of 21 miRNAs correlated with relapse and prognosis after local curative treatment of HCC. RESULTS Expression levels of let-7c predict tumor relapse after RFA; we also investigated the same panel in a small cohort of HCC patients undergoing surgery, finding no statistically significance in predicting tumor relapse or survival. Moreover, interaction test indicated that let-7c expression levels are predictive for identifying a subset of patients that should be addressed to surgery. CONCLUSION Results from this study could predict prognosis of early HCC patients, helping to address early HCC patients to surgery or RFA treatment.
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microRNA-21 Regulates Stemness in Pancreatic Ductal Adenocarcinoma Cells. Int J Mol Sci 2022; 23:ijms23031275. [PMID: 35163198 PMCID: PMC8835847 DOI: 10.3390/ijms23031275] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Revised: 01/13/2022] [Accepted: 01/21/2022] [Indexed: 02/06/2023] Open
Abstract
Pancreatic ductal adenocarcinoma (PDAC) is the most common and aggressive type of pancreatic cancer (PCa) with a low survival rate. microRNAs (miRs) are endogenous, non-coding RNAs that moderate numerous biological processes. miRs have been associated with the chemoresistance and metastasis of PDAC and the presence of a subpopulation of highly plastic "stem"-like cells within the tumor, known as cancer stem cells (CSCs). In this study, we investigated the role of miR-21, which is highly expressed in Panc-1 and MiaPaCa-2 PDAC cells in association with CSCs. Following miR-21 knockouts (KO) from both MiaPaCa-2 and Panc-1 cell lines, reversed expressions of epithelial-mesenchymal transition (EMT) and CSCs markers were observed. The expression patterns of key CSC markers, including CD44, CD133, CX-C chemokine receptor type 4 (CXCR4), and aldehyde dehydrogenase-1 (ALDH1), were changed depending on miR-21 status. miR-21 (KO) suppressed cellular invasion of Panc-1 and MiaPaCa-2 cells, as well as the cellular proliferation of MiaPaCa-2 cells. Our data suggest that miR-21 is involved in the stemness of PDAC cells, may play roles in mesenchymal transition, and that miR-21 poses as a novel, functional biomarker for PDAC aggressiveness.
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Yao Y, Shu F, Wang F, Wang X, Guo Z, Wang H, Li L, Lv H. Long noncoding RNA LINC01189 is associated with HCV-hepatocellular carcinoma and regulates cancer cell proliferation and chemoresistance through hsa-miR-155-5p. Ann Hepatol 2021; 22:100269. [PMID: 33059056 DOI: 10.1016/j.aohep.2020.09.013] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Revised: 09/22/2020] [Accepted: 09/22/2020] [Indexed: 02/07/2023]
Abstract
INTRODUCTION AND OBJECTIVES Emerging evidence has demonstrated that long noncoding RNAs (lncRNAs) may be closely associated with Hepatitis C virus (HCV) infection and the development of hepatocellular carcinoma (HCC). In this study, we investigated the expression and functions of a lncRNA, LINC01189, in HCV-associated HCC. PATIENTS OR MATERIALS AND METHODS LINC01189 expression was measured in HCC tumors, HCV-infected HCC tumors and HCV-infected HCC cells. LINC01189 was overexpressed in HCV-infected HepG2 cells to measure its function on HCV-correlated cancer proliferation. In HCC cell lines of Huh7 and Hep3B, LINC01189 was upregulated to investigate its effects on cancer cell proliferation and 5-FU chemoresistance. The competing endogenous RNA (ceRNA) target of LINC01189, human microRNA-155-5p (hsa-miR-155-5p) was probed by dual-luciferase assay and qRT-PCR. Hsa-miR-155-5p was upregulated in LINC01189-overexpessed Huh7 and Hep3B cells to investigate their epigenetic correlation on HCC development regulation. RESULTS LINC01189 is downregulated in HCV-infected HCC tumors and cell lines. LINC01189 overexpression inhibited HCC cancer cell proliferation and 5-FU chemoresistance. Hsa-miR-155-5p was confirmed to be a ceRNA target of LINC01189 in HCC. Upregulating hsa-miR-155-5p reversed the LINC01189-mediated inhibition on HCC proliferation and 5-FU chemoresistance. CONCLUSIONS LINC01189 downregulation is associated with HCV infection in HCC, and it has tumor-suppressing effects on HCC development through hsa-miR-155-5p.
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Affiliation(s)
- Ying Yao
- Clinical laboratory, Honghui Hospital, Xi'an Jiaotong University, Xi'an, 710054 Shaanxi, China
| | - Fang Shu
- Clinical laboratory, Third Hospital of Xi'an, 710000, Shaanxi, China
| | - Fang Wang
- Anaesthesiology department, Honghui Hospital, Xi'an Jiaotong University, Xi'an, 710054, Shaanxi, China
| | - Xiaoqiang Wang
- Department of Cancer Biology, City of Hope National Medical Center, Duarte, CA, 91010, USA
| | - Zhengshe Guo
- Anaesthesiology department, Honghui Hospital, Xi'an Jiaotong University, Xi'an, 710054, Shaanxi, China
| | - Haili Wang
- Anaesthesiology department, Honghui Hospital, Xi'an Jiaotong University, Xi'an, 710054, Shaanxi, China
| | - Lu Li
- Anaesthesiology department, Honghui Hospital, Xi'an Jiaotong University, Xi'an, 710054, Shaanxi, China
| | - Haigang Lv
- Anaesthesiology department, Honghui Hospital, Xi'an Jiaotong University, Xi'an, 710054, Shaanxi, China.
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Huang A, Guo DZ, Wang YP, Yang GH, Sun QM, Zhang X, He YF, Song K, Huang XW, Yang XR, Fan J, Zhou J, Hu J. Plasma MicroRNA Panel Predicts Early Tumor Recurrence in Patients with Hepatocellular Carcinoma after Liver Transplantation. J Cancer 2021; 12:7190-7200. [PMID: 34729120 PMCID: PMC8558660 DOI: 10.7150/jca.59612] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2021] [Accepted: 09/11/2021] [Indexed: 12/11/2022] Open
Abstract
Background: This study aimed to evaluate the role of plasma microRNA panel (miR-122, miR-192, miR-21, miR-223, miR-26a, miR-27a and miR-801) for prediction and surveillance of early tumor recurrence in hepatocellular carcinoma (HCC) patients who had undergone liver transplantation (LT). Methods: The expression of plasma microRNA panel was assayed in 193 HCC patients (training cohort, n =151; validation cohort, n = 42). Sensitivity and specificity for detecting post-transplant HCC recurrence, and the relationship of microRNA panel expression with clinical characteristics were analyzed accordingly. The prognostic value of microRNA panel was compared with that of AFP (alpha-fetoprotein) and DCP (Des-gamma-carboxyprothrombin). Cox regression analyses were used to evaluate independent prognostic factors. Results: In the training cohort, the rate of positive plasma microRNA panel status at 7-14 days after LT (late phase; 44.2%) decreased than that before (76.2%, P < 0.001) and 1-6 days after LT (early phase; 78.5%, P < 0.001). At late phase, positive microRNA panel status correlated with higher early tumor recurrence rate (one year after LT) than negative status (45.9% vs 10.7%; P < 0.001). Patients with persistent positive microRNA panel status both before and after LT had the highest early tumor recurrence rate in this cohort (54.9%, P < 0.001). The results were consistent in the validation cohort. Cox regression analysis found that positive plasma microRNA panel status at late phase was the only independent risk factor for early recurrence (HR: 4.903, 95% CI = 2.195 - 10.951; P < 0.001). Dynamic monitoring demonstrated plasma microRNA panel status changed from negative to positive earlier than AFP and DCP upon recurrence, and the median time between positivity of plasma microRNA and imaging evidence of recurrence was 2.4 (0.5-10.0) months. Conclusions: Plasma microRNA panel could be a noninvasive biomarker for prediction and surveillance of early tumor recurrence in HCC patients who have undergone LT.
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Affiliation(s)
- Ao Huang
- Department of Liver Surgery and Transplantation, Liver Cancer Institute, Zhongshan Hospital, Fudan University; Key Laboratory of Carcinogenesis and Cancer Invasion (Fudan University), Ministry of Education; Shanghai Key Laboratory of Organ Transplantation, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - De-Zhen Guo
- Department of Liver Surgery and Transplantation, Liver Cancer Institute, Zhongshan Hospital, Fudan University; Key Laboratory of Carcinogenesis and Cancer Invasion (Fudan University), Ministry of Education; Shanghai Key Laboratory of Organ Transplantation, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Yu-Peng Wang
- Department of Liver Surgery and Transplantation, Liver Cancer Institute, Zhongshan Hospital, Fudan University; Key Laboratory of Carcinogenesis and Cancer Invasion (Fudan University), Ministry of Education; Shanghai Key Laboratory of Organ Transplantation, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Guo-Huan Yang
- Department of Liver Surgery and Transplantation, Liver Cancer Institute, Zhongshan Hospital, Fudan University; Key Laboratory of Carcinogenesis and Cancer Invasion (Fudan University), Ministry of Education; Shanghai Key Laboratory of Organ Transplantation, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Qi-Man Sun
- Department of Liver Surgery and Transplantation, Liver Cancer Institute, Zhongshan Hospital, Fudan University; Key Laboratory of Carcinogenesis and Cancer Invasion (Fudan University), Ministry of Education; Shanghai Key Laboratory of Organ Transplantation, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Xin Zhang
- Department of Liver Surgery and Transplantation, Liver Cancer Institute, Zhongshan Hospital, Fudan University; Key Laboratory of Carcinogenesis and Cancer Invasion (Fudan University), Ministry of Education; Shanghai Key Laboratory of Organ Transplantation, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Yi-Feng He
- Department of Liver Surgery and Transplantation, Liver Cancer Institute, Zhongshan Hospital, Fudan University; Key Laboratory of Carcinogenesis and Cancer Invasion (Fudan University), Ministry of Education; Shanghai Key Laboratory of Organ Transplantation, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Kang Song
- Department of Liver Surgery and Transplantation, Liver Cancer Institute, Zhongshan Hospital, Fudan University; Key Laboratory of Carcinogenesis and Cancer Invasion (Fudan University), Ministry of Education; Shanghai Key Laboratory of Organ Transplantation, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Xiao-Wu Huang
- Department of Liver Surgery and Transplantation, Liver Cancer Institute, Zhongshan Hospital, Fudan University; Key Laboratory of Carcinogenesis and Cancer Invasion (Fudan University), Ministry of Education; Shanghai Key Laboratory of Organ Transplantation, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Xin-Rong Yang
- Department of Liver Surgery and Transplantation, Liver Cancer Institute, Zhongshan Hospital, Fudan University; Key Laboratory of Carcinogenesis and Cancer Invasion (Fudan University), Ministry of Education; Shanghai Key Laboratory of Organ Transplantation, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Jia Fan
- Department of Liver Surgery and Transplantation, Liver Cancer Institute, Zhongshan Hospital, Fudan University; Key Laboratory of Carcinogenesis and Cancer Invasion (Fudan University), Ministry of Education; Shanghai Key Laboratory of Organ Transplantation, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
- Institute of Biomedical Sciences, Fudan University, Shanghai, 200032, China
| | - Jian Zhou
- Department of Liver Surgery and Transplantation, Liver Cancer Institute, Zhongshan Hospital, Fudan University; Key Laboratory of Carcinogenesis and Cancer Invasion (Fudan University), Ministry of Education; Shanghai Key Laboratory of Organ Transplantation, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
- Institute of Biomedical Sciences, Fudan University, Shanghai, 200032, China
- State Key Laboratory of Genetic Engineering, Fudan University, Shanghai, 200032, China
| | - Jie Hu
- Department of Liver Surgery and Transplantation, Liver Cancer Institute, Zhongshan Hospital, Fudan University; Key Laboratory of Carcinogenesis and Cancer Invasion (Fudan University), Ministry of Education; Shanghai Key Laboratory of Organ Transplantation, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
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Zheng YJ, Liang TS, Wang J, Zhao JY, Zhai SN, Yang DK, Wang LD. MicroRNA-155 acts as a diagnostic and prognostic biomarker for oesophageal squamous cell carcinoma. ARTIFICIAL CELLS NANOMEDICINE AND BIOTECHNOLOGY 2021; 48:977-982. [PMID: 32573268 DOI: 10.1080/21691401.2020.1773479] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
MicroRNA-155 is over-expressed in many human cancers, but researches on its association with malignant oesophageal squamous cell carcinoma (ESCC) are limited. The aim of the present study was to evaluate the potential value of miR-155 as a biomarker for ESCC diagnosis and prognosis. In this study, we found that miR-155 was significantly increased in ESCC tissues compared with the paired adjacent tissues and healthy normal controls (p < .001), according to qRT-PCR, which suggested that miR-155 might act as an oncogene in ESCC. In addition, clinical features such as the depth of tumour invasion, tumour size, and TNM stage were all proved to impact the expression of miR-155 (p < .01). Then, ROC curve analysis, reaching an AUC of 0.870, and a sensitivity and specificity of 83.5% and 77.5%, respectively, revealed that miR-155 was a predictive factor for ESCC. As well, high expression of miR-155 was associated with poor overall survival of the patients (log-rank test, p = .004), according to Kaplan-Meier analysis. MiR-155 might be an independent predictor for overall survival in ESCC patients, manifested by Cox regression analysis (HR = 16.94, 95%CI = 3.33-86.12, p = .001). Taken together, miR-155 could be an independent diagnostic and prognostic biomarker for ESCC.
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Affiliation(s)
- Ying-Juan Zheng
- State Key Laboratory of Esophageal Cancer Prevention & Treatment, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Tian-Song Liang
- Department of Radiotherapy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Juan Wang
- Department of Radiotherapy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Jing-Yi Zhao
- Department of Radiotherapy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Su-Nan Zhai
- Department of Radiotherapy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Dao-Ke Yang
- State Key Laboratory of Esophageal Cancer Prevention & Treatment, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.,Department of Radiotherapy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Li-Dong Wang
- State Key Laboratory of Esophageal Cancer Prevention & Treatment, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
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18
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Abstract
This review provides epidemiological and translational evidence for milk and dairy intake as critical risk factors in the pathogenesis of hepatocellular carcinoma (HCC). Large epidemiological studies in the United States and Europe identified total dairy, milk and butter intake with the exception of yogurt as independent risk factors of HCC. Enhanced activity of mechanistic target of rapamycin complex 1 (mTORC1) is a hallmark of HCC promoted by hepatitis B virus (HBV) and hepatitis C virus (HCV). mTORC1 is also activated by milk protein-induced synthesis of hepatic insulin-like growth factor 1 (IGF-1) and branched-chain amino acids (BCAAs), abundant constituents of milk proteins. Over the last decades, annual milk protein-derived BCAA intake increased 3 to 5 times in Western countries. In synergy with HBV- and HCV-induced secretion of hepatocyte-derived exosomes enriched in microRNA-21 (miR-21) and miR-155, exosomes of pasteurized milk as well deliver these oncogenic miRs to the human liver. Thus, milk exosomes operate in a comparable fashion to HBV- or HCV- induced exosomes. Milk-derived miRs synergistically enhance IGF-1-AKT-mTORC1 signaling and promote mTORC1-dependent translation, a meaningful mechanism during the postnatal growth phase, but a long-term adverse effect promoting the development of HCC. Both, dietary BCAA abundance combined with oncogenic milk exosome exposure persistently overstimulate hepatic mTORC1. Chronic alcohol consumption as well as type 2 diabetes mellitus (T2DM), two HCC-related conditions, increase BCAA plasma levels. In HCC, mTORC1 is further hyperactivated due to RAB1 mutations as well as impaired hepatic BCAA catabolism, a metabolic hallmark of T2DM. The potential HCC-preventive effect of yogurt may be caused by lactobacilli-mediated degradation of BCAAs, inhibition of branched-chain α-ketoacid dehydrogenase kinase via production of intestinal medium-chain fatty acids as well as degradation of milk exosomes including their oncogenic miRs. A restriction of total animal protein intake realized by a vegetable-based diet is recommended for the prevention of HCC.
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Affiliation(s)
- Bodo C Melnik
- Department of Dermatology, Environmental Medicine and Health Theory, University of Osnabrück, Osnabrück, Germany
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19
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Ghafouri-Fard S, Honarmand Tamizkar K, Hussen BM, Taheri M. MicroRNA signature in liver cancer. Pathol Res Pract 2021; 219:153369. [PMID: 33626406 DOI: 10.1016/j.prp.2021.153369] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Revised: 01/31/2021] [Accepted: 02/02/2021] [Indexed: 12/24/2022]
Abstract
Liver cancer is the 7th utmost frequent neoplasm and the 4th principal source of cancer deaths. This malignancy is linked with several environmental and lifestyle-related factors emphasizing the role of epigenetics in its pathogenesis. MicroRNAs (miRNAs) have been regarded as potent epigenetic mechanisms partaking in the pathogenesis of liver cancer. Dysregulation of miRNAs has been related with poor outcome of patients with liver cancer. In the current manuscript, we provide a concise review of the results of recent studies about the role of miRNAs in the progression of liver cancer and their diagnostic and prognostic utility.
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Affiliation(s)
- Soudeh Ghafouri-Fard
- Department of Medical Genetics, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | | | - Bashdar Mahmud Hussen
- Pharmacognosy Department, College of Pharmacy, Hawler Medical University, Erbil, Iraq
| | - Mohammad Taheri
- Urology and Nephrology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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20
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Guo Y, Li X, Zheng J, Fang J, Pan G, Chen Z. Identification of a novel immune-related microRNA prognostic model in clear cell renal cell carcinoma. Transl Androl Urol 2021; 10:888-899. [PMID: 33718090 PMCID: PMC7947456 DOI: 10.21037/tau-20-1495] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Background Clear cell renal cell carcinoma (ccRCC) is a type of kidney cancer, and one of the most common malignant tumors. Many studies have shown that certain microRNAs (miRNAs) play an important role in the occurrence and development of ccRCC. Nevertheless, the prognosis of ccRCC patients is very rarely based on these “immuno-miRs”. Our aim was thus to determine the relationship between immune-related miRNA signatures and ccRCC. Methods We downloaded the miRNA expression data from 521 KIRC and 71 normal tissues in The Cancer Genome Atlas (TCGA). We used “limma” package and univariate Cox regression analysis to identify differentially expressed miRNAs (DEMs) that related to overall survival (OS). We applied lasso and multivariate Cox regression analyses to construct a prognostic model based on immuno-miRs. We evaluated the performance of model by using the Kaplan-Meier method. Furthermore, Cox regression analysis was used to determine independent prognostic signatures in ccRCC. Results A total of 59 significant immuno-miRs were identified. We use univariate Cox regression analysis to acquire 18 immune-related miRNAs which were markedly related to OS of ccRCC patients in the training set. We then constructed the 9-immune-related-miRNA prognostic model (miR-21, miR-342, miR-149, miR-130b, miR-223, miR-365a, miR-9-1, and miR-146b) by using lasso and multivariate Cox regression. Further analysis suggested that the immune-related prognostic model could be an independent prognostic indicator for patients with ccRCC. The prognostic performance of the 9-immune-related-miRNA prognostic model was further validated successfully in the testing set. Conclusions We established a novel immune-based prognostic model of ccRCC based on potential prognostic immune-related miRNAs. Our results indicated that the 9-miRNA signature could be a practical and reliable prognostic tool for ccRCC.
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Affiliation(s)
- Yuhe Guo
- Department of Organ Transplantation, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Xianbin Li
- School of Life Sciences, Sun Yat-sen University, Guangzhou, China
| | - Junbin Zheng
- Department of Clinical Laboratory, Xiamen Hospital of Traditional Chinese Medicine, Xiamen, China
| | - Jiali Fang
- Department of Organ Transplantation, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Guanghui Pan
- Department of Organ Transplantation, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Zheng Chen
- Department of Organ Transplantation, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
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Morishita A, Oura K, Tadokoro T, Fujita K, Tani J, Masaki T. MicroRNAs in the Pathogenesis of Hepatocellular Carcinoma: A Review. Cancers (Basel) 2021; 13:cancers13030514. [PMID: 33572780 PMCID: PMC7866004 DOI: 10.3390/cancers13030514] [Citation(s) in RCA: 59] [Impact Index Per Article: 19.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 01/22/2021] [Accepted: 01/25/2021] [Indexed: 12/11/2022] Open
Abstract
Simple Summary Hepatocellular carcinoma (HCC) is one of the most frequently occurring cancers, and the prognosis for late-stage HCC remains poor. A better understanding of the pathogenesis of HCC is expected to improve outcomes. MicroRNAs (miRNAs) are small, noncoding, single-stranded RNAs that regulate the expression of various target genes, including those in cancer-associated genomic regions or fragile sites in various human cancers. We summarize the central roles of miRNAs in the pathogenesis of HCC and discuss their potential utility as valuable biomarkers and new therapeutic agents for HCC. Abstract Hepatocellular carcinoma (HCC) is the seventh most frequent cancer and the fourth leading cause of cancer mortality worldwide. Despite substantial advances in therapeutic strategies, the prognosis of late-stage HCC remains dismal because of the high recurrence rate. A better understanding of the etiology of HCC is therefore necessary to improve outcomes. MicroRNAs (miRNAs) are small, endogenous, noncoding, single-stranded RNAs that modulate the expression of their target genes at the posttranscriptional and translational levels. Aberrant expression of miRNAs has frequently been detected in cancer-associated genomic regions or fragile sites in various human cancers and has been observed in both HCC cells and tissues. The precise patterns of aberrant miRNA expression differ depending on disease etiology, including various causes of hepatocarcinogenesis, such as viral hepatitis, alcoholic liver disease, or nonalcoholic steatohepatitis. However, little is known about the underlying mechanisms and the association of miRNAs with the pathogenesis of HCC of various etiologies. In the present review, we summarize the key mechanisms of miRNAs in the pathogenesis of HCC and emphasize their potential utility as valuable diagnostic and prognostic biomarkers, as well as innovative therapeutic targets, in HCC diagnosis and treatment.
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22
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MiR-155-5p and MiR-203a-3p Are Prognostic Factors in Soft Tissue Sarcoma. Cancers (Basel) 2020; 12:cancers12082254. [PMID: 32806571 PMCID: PMC7463991 DOI: 10.3390/cancers12082254] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Revised: 07/31/2020] [Accepted: 08/05/2020] [Indexed: 02/06/2023] Open
Abstract
Soft tissue sarcoma (STS) is a heterogeneous group of rare malignancies with a five-year survival rate of approximately 50%. Reliable molecular markers for risk stratification and subsequent therapy management are still needed. Therefore, we analyzed the prognostic potential of miR-155-5p and miR-203a-3p expression in a cohort of 79 STS patients. MiR-155-5p and miR-203a-3p expression was measured from tumor total RNA by qPCR and correlated with the demographic, clinicopathological, and prognostic data of the patients. Elevated miR-155-5p expression was significantly associated with increased tumor stage and hypoxia-associated mRNA/protein expression. High miR-155-5p expression and low miR-203a-3p expression, as well as a combination of high miR-155-5p and low miR-203a-3p expression, were significantly associated with poor disease-specific survival in STS patients in the Kaplan–Meier survival analyses (p = 0.027, p = 0.001 and p = 0.0003, respectively) and in the univariate Cox regression analyses (RR = 1.96; p = 0.031; RR = 2.59; p = 0.002 and RR = 4.76; p = 0.001, respectively), but not in the multivariate Cox regression analyses. In conclusion, the oncomiR miR-155-5p and the tumor suppressor-miR miR-203a-3p exhibit an association with STS patient prognosis and are suggested as candidates for risk assessment.
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Hu ZQ, Lu Y, Cui D, Ma CY, Shao S, Chen P, Tao R, Wang JJ. MicroRNAs and long non-coding RNAs in liver surgery: Diagnostic and therapeutic merits. Hepatobiliary Pancreat Dis Int 2020; 19:218-228. [PMID: 32414577 DOI: 10.1016/j.hbpd.2020.04.002] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/28/2019] [Accepted: 04/09/2020] [Indexed: 02/07/2023]
Abstract
BACKGROUND Hepatectomy and liver transplantation (LT) are the two most commonly performed surgical procedures for various hepatic lesions. microRNA (miRNA) and long non-coding RNA (lncRNA) have been gradually unveiled their roles as either biomarkers for early diagnosis or potentially therapeutic tools to manipulate gene expression in many disease entities. This review aimed to discuss the effects of miRNA or lncRNA in the hepatectomy and LT fields. DATA SOURCES We did a literature search from 1990 through January 2018 to summarize the currently available evidence with respect to the effects of miRNA and lncRNA in liver regeneration after partial hepatectomy, as well as their involvement in several key issues related to LT, including ischemia-reperfusion injury, allograft rejection, tolerance, recurrence of original hepatic malignancies, etc. RESULTS: Certain miRNAs and lncRNAs are actively involved in the regulation of various aspects of liver resection and transplantation. During the process of liver regeneration after hepatectomy, the expression of miRNAs and lncRNAs shows dynamic changes. CONCLUSIONS It is now clear that miRNAs and lncRNAs orchestrate in various aspects of the pathophysiological process of LT and hepatectomy. Better understanding of the underlying mechanism and future clinical trials may strengthen their positions as either biomarkers or potential therapeutic targets in the management of complications after liver surgery.
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Affiliation(s)
- Zhi-Qiu Hu
- Department of Surgery, Minhang Hospital, Fudan University, Shanghai 201199, China; Department of Hepatobiliary-Pancreatic & Minimally Invasive Surgery, Affiliated Zhejiang Provincial People's Hospital, Hangzhou Medical School, Hangzhou 310014, China
| | - Yi Lu
- Department of Hepatobiliary-Pancreatic & Minimally Invasive Surgery, Affiliated Zhejiang Provincial People's Hospital, Hangzhou Medical School, Hangzhou 310014, China; Center for Clinical Medical Research, Affiliated Zhejiang Provincial People's Hospital, Hangzhou Medical School, Hangzhou 310014, China
| | - Di Cui
- Center for Clinical Medical Research, Affiliated Zhejiang Provincial People's Hospital, Hangzhou Medical School, Hangzhou 310014, China
| | - Chen-Yang Ma
- Center for Clinical Medical Research, Affiliated Zhejiang Provincial People's Hospital, Hangzhou Medical School, Hangzhou 310014, China
| | - Su Shao
- Department of General Surgery, Chun'an 1st People's Hospital, Hangzhou 311700, China
| | - Ping Chen
- Department of Obstetrics and Gynecology, Shaoxing 2nd Hospital, Shaoxing 312000, China
| | - Ran Tao
- Department of Hepatobiliary-Pancreatic & Minimally Invasive Surgery, Affiliated Zhejiang Provincial People's Hospital, Hangzhou Medical School, Hangzhou 310014, China; Center for Clinical Medical Research, Affiliated Zhejiang Provincial People's Hospital, Hangzhou Medical School, Hangzhou 310014, China
| | - Jian-Jun Wang
- Department of General Surgery, Chun'an 1st People's Hospital, Hangzhou 311700, China.
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Zhang Y, Li X, Zhang Y, Wang L, Xu J, Du J, Guan Y. Pegylated interferon-α inhibits the proliferation of hepatocellular carcinoma cells by downregulating miR-155. Ann Hepatol 2020; 18:494-500. [PMID: 31036495 DOI: 10.1016/j.aohep.2018.11.007] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/21/2018] [Revised: 10/17/2018] [Accepted: 11/23/2018] [Indexed: 02/08/2023]
Abstract
INTRODUCTION AND AIMS Interferon-α (IFN) has shown potential benefits in patients with hepatocellular carcinoma (HCC), and these effects may be mediated by inhibiting cancer cell proliferation. However, the detailed mechanisms underlying the anti-proliferative effects of IFN remain obscure. In this study, we evaluate the role of the novel oncogenic microRNA (miRNA) miR-155 in the anti-proliferative effects of pegylated interferon-α (PEG-IFN) on HCC cells. METHODS The effects of PEG-IFN on HepG2 cell proliferation, migration and invasion were determined using the MTT assay, flow cytometry analysis and the Transwell assay, respectively. Reverse transcription quantitative polymerase chain reaction was used to analyze miR-155 expression. The levels of proteins involved in Wnt/β-catenin signal transduction were determined by western blot analysis and immunofluorescence staining. Mimics of miR-155 were transfected into HepG2 cells to assess the role of miR-155 in the PEG-IFN-induced anti-proliferative effect. RESULTS PEG-IFN significantly inhibited the proliferation, migration and invasion of HepG2 cells in a dose-dependent manner by inhibiting cell cycle progression. In parallel with reduced cell proliferation, migration and invasion, miR-155 was efficiently downregulated by PEG-IFN in a dose-dependent manner. Moreover, the transfection of miR-155 decreased the inhibitory effect of PEG-IFN on HepG2cell proliferation, migration and invasion, as well as the downregulation of proteins in the Wnt/β-catenin pathway. CONCLUSIONS The anti-proliferative effects of PEG-IFN on HCC are at least partially attributable to the downregulation of miR-155.
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Affiliation(s)
- Ying Zhang
- Sixth Department of Liver Diseases, Dalian Sixth People Hospital, Dalian Medical University, Dalian, Liaoning, PR China.
| | - Xuefeng Li
- Department of Infectious Diseases, The Second Hospital of Dalian Medical University, Dalian Medical University, Dalian, Liaoning, PR China
| | - Yong Zhang
- Sixth Department of Liver Diseases, Dalian Sixth People Hospital, Dalian Medical University, Dalian, Liaoning, PR China
| | - Lin Wang
- Sixth Department of Liver Diseases, Dalian Sixth People Hospital, Dalian Medical University, Dalian, Liaoning, PR China
| | - Jiao Xu
- Sixth Department of Liver Diseases, Dalian Sixth People Hospital, Dalian Medical University, Dalian, Liaoning, PR China
| | - Jinghua Du
- Sixth Department of Liver Diseases, Dalian Sixth People Hospital, Dalian Medical University, Dalian, Liaoning, PR China
| | - Yonghai Guan
- Department of Infectious Diseases, The Second Hospital of Dalian Medical University, Dalian Medical University, Dalian, Liaoning, PR China
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Wu Y, Zhang J, Zhang X, Zhou H, Liu G, Li Q. Cancer Stem Cells: A Potential Breakthrough in HCC-Targeted Therapy. Front Pharmacol 2020; 11:198. [PMID: 32210805 PMCID: PMC7068598 DOI: 10.3389/fphar.2020.00198] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2019] [Accepted: 02/14/2020] [Indexed: 12/13/2022] Open
Abstract
Cancer stem cells (CSCs) are subpopulations of cells with stem cell characteristics that produce both cancerous and non-tumorigenic cells in tumor tissues. The literature reports that CSCs are closely related to the development of hepatocellular carcinoma (HCC) and promote the malignant features of HCC such as high invasion, drug resistance, easy recurrence, easy metastasis, and poor prognosis. This review discusses the origin, molecular, and biological features, functions, and applications of CSCs in HCC in recent years; the goal is to clarify the importance of CSCs in treatment and explore their potential value in HCC-targeted therapy.
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Abstract
Abdominal tumors (AT) in children account for approximately 17% of all pediatric solid tumor cases, and frequently exhibit embryonal histological features that differentiate them from adult cancers. Current molecular approaches have greatly improved the understanding of the distinctive pathology of each tumor type and enabled the characterization of novel tumor biomarkers. As seen in abdominal adult tumors, microRNAs (miRNAs) have been increasingly implicated in either the initiation or progression of childhood cancer. Moreover, besides predicting patient prognosis, they represent valuable diagnostic tools that may also assist the surveillance of tumor behavior and treatment response, as well as the identification of the primary metastatic sites. Thus, the present study was undertaken to compile up-to-date information regarding the role of dysregulated miRNAs in the most common histological variants of AT, including neuroblastoma, nephroblastoma, hepatoblastoma, hepatocarcinoma, and adrenal tumors. Additionally, the clinical implications of dysregulated miRNAs as potential diagnostic tools or indicators of prognosis were evaluated.
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Ziogas IA, Sioutas G, Mylonas KS, Tsoulfas G. Role of MicroRNA in the Diagnosis and Management of Hepatocellular Carcinoma. Microrna 2020; 9:25-40. [PMID: 31218966 DOI: 10.2174/2211536608666190619155406] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2019] [Revised: 03/11/2019] [Accepted: 05/06/2019] [Indexed: 12/12/2022]
Abstract
INTRODUCTION Hepatocellular Carcinoma (HCC) is one of the most common malignant tumors in the world and comes third in cancer-induced mortality. The need for improved and more specific diagnostic methods that can detect early-stage disease is immense, as it is amenable to curative modalities, while advanced HCC is associated with low survival rates. microRNA (miRNA) expression is deregulated in HCC and this can be implemented both diagnostically and therapeutically. OBJECTIVE To provide a concise review on the role of miRNA in diagnosis, prognosis, and treatment of HCC. METHODS We conducted a comprehensive review of the PubMed bibliographic database. RESULTS Multiple miRNAs are involved in the pathogenesis of HCC. Measurement of the levels of these miRNAs either in tumor tissue or in the blood constitutes a promising diagnostic, as well as prognostic tool. OncomiRs are miRNAs that promote tumorigenesis, thus inhibiting them by administering antagomiRs is a promising treatment option. Moreover, replacement of the depleted miRNAs is another potential therapeutic approach for HCC. Modification of miRNA levels may also regulate sensitivity to chemotherapeutic agents. CONCLUSION miRNA play a pivotal role in HCC pathogenesis and once the underlying mechanisms are elucidated, they will become part of everyday clinical practice against HCC.
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Affiliation(s)
- Ioannis A Ziogas
- Medical School, Aristotle University of Thessaloniki, Thessaloniki, Greece
- Surgery Working Group, Society of Junior Doctors, Athens, Greece
| | - Georgios Sioutas
- Surgery Working Group, Society of Junior Doctors, Athens, Greece
- Medical School, Democritus University of Thrace, Alexandroupolis, Greece
| | - Konstantinos S Mylonas
- Surgery Working Group, Society of Junior Doctors, Athens, Greece
- Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Georgios Tsoulfas
- 1st Department of Surgery, Aristotle University of Thessaloniki, Thessaloniki, Greece
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Sun JF, Zhang D, Gao CJ, Zhang YW, Dai QS. Exosome-Mediated MiR-155 Transfer Contributes to Hepatocellular Carcinoma Cell Proliferation by Targeting PTEN. Med Sci Monit Basic Res 2019; 25:218-228. [PMID: 31645540 PMCID: PMC6827328 DOI: 10.12659/msmbr.918134] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
BACKGROUND Most eukaryocytes release nano vesicles (30-120 nm), named exosomes, to various biological fluids such as blood, lymph, and milk. Hepatocellular carcinoma (HCC) is one of the tumors with the highest incidence rate in primary malignant carcinoma of the liver. However, the mechanism of HCC proliferation remains elusive. In this study, we aim to explore whether HCC cell-derived exosomes affect the proliferation of cancer cells. MATERIAL AND METHODS Exosomes were isolated from HCC cells by ultracentrifugation and were visualized the phenotype by transmission electron microscopy. Cell proliferation was detected by Cell Counting Kit-8 assays and EdU (5-ethynyl-2-deoxyuridine) incorporation assays. Dual-luciferase assays were performed to validate the paired correlation of miR-155 and 3'-UTR of PTEN (gene of phosphate and tension homology deleted on chromosome 10). A xenograft mice model was constructed to verify the effect of exosome-mediated miR-155 on cell proliferation in vivo. RESULTS Our finding showed that miR-155 was enriched in exosomes released from HCC cells. The exosome-containing miR-155 transferred into new HCC targeted cells and lead to the elevation of HCC cells' proliferation. Besides, the exosomal miR-155 directly bound to 3'-UTR of PTEN leading to the reduction of relevant targets in recipient liver cells. The knockdown of PTEN attenuated the proliferation of HCC cells treated with the exosomal miR-155. Moreover, nude-mouse experiment results revealed a promotional effect of the exosomal miR-155 on HCC cell-acquired xenografts. CONCLUSIONS Our study indicated that exosomal-specific miR-155 transfers to adjacent and/or more distant cells and stimulates the proliferation of HCC cells.
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Affiliation(s)
- Jing-Feng Sun
- Department of Hepatobiliary and Pancreatic Surgery, The Affiliated Cancer Hospital of Nanjing Medical University and Jiangsu Cancer Hospital and Jiangsu Institute of Cancer Research, Nanjing, Jiangsu, China (mainland)
| | - Dong Zhang
- Department of General Surgery, GuanYun People's Hospital, Guanyun, Jiangsu, China (mainland)
| | - Cai-Jie Gao
- Pediatric Department, The Affiliated Children's Hospital of Nanjing Medical University, Nanjing, Jiangsu, China (mainland)
| | - Ye-Wei Zhang
- Department of Hepatobiliary and Pancreatic Surgery, The Affiliated Cancer Hospital of Nanjing Medical University and Jiangsu Cancer Hospital and Jiangsu Institute of Cancer Research, Nanjing, Jiangsu, China (mainland)
| | - Qing-Song Dai
- Department of General Surgery, The Affiliated Sir RunRun Hospital of Nanjing Medical University, Nanjing, Jiangsu, China (mainland)
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The Impact of MicroRNA-133a on Prognosis and Clinicopathological Parameters for Digestive System Cancers: a Comprehensive Study Based on Meta-Analysis and TCGA Database. Pathol Oncol Res 2019; 26:771-781. [PMID: 30810894 DOI: 10.1007/s12253-019-00619-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/28/2018] [Accepted: 02/18/2019] [Indexed: 01/11/2023]
Abstract
We conducted a meta-analysis on the impact of microRNA-133a (miR-133a) on digestive system cancers, and verified the results through The Cancer Genome Atlas (TCGA). Relevant studies were searched in English and Chinese database and meta-analysis was performed using Stata 12.0. The corresponding information of miR-133a and digestive system cancers were obtained from TCGA database and analysis was performed using SPSS. Increased miR-133a expression was linked with favorable overall survival (OS) in digestive system cancers (HR = 0.539, 95% CI: 0.416-0.698, P < 0.001), digestive tract cancers (HR =0.558, 95% CI: 0.406-0.767, P < 0.001), esophageal squamous cell carcinoma (ESCC) (HR = 0.427, 95% CI: 0.265-0.690, P = 0.001) and gastric cancer (HR = 0.541, 95% CI: 0.385-0.761, P < 0.001). The expression of miR-133a was significantly lower in cancer tissue compared with adjacent tissue for ESCC (P < 0.001), gastric cancer (P < 0.001), colorectal cancer (P < 0.001) and hepatocellular carcinoma (P = 0.002). Meanwhile, the area under the ROC curve (AUC) value for miR-133a was 0.836, 0.888, and 0.99 in ESCC, gastric cancer and colorectal cancer. MiR-133a is a tumor suppressor with prognostic and diagnostic values for digestive system cancers. High miR-133a expression was associated with better prognosis and less adverse clinicopathological parameters. More research should be performed to test these findings.
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Li N, Zhu Y. Targeting liver cancer stem cells for the treatment of hepatocellular carcinoma. Therap Adv Gastroenterol 2019; 12:1756284818821560. [PMID: 30719075 PMCID: PMC6348509 DOI: 10.1177/1756284818821560] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/20/2018] [Accepted: 11/15/2018] [Indexed: 02/04/2023] Open
Abstract
Liver cancer is one of the most common malignant tumors and prognosis remains poor. It has been increasingly recognized that liver cancer stem cells (LCSCs) are responsible for the carcinogenesis, recurrence, metastasis and chemoresistance of hepatocellular carcinoma (HCC). Targeting LCSCs is promising to be a new direction for the treatment of HCC. Herein, we summarize the potentially therapeutic targets in LCSCs at the level of genes, molecules and cells, such as knockout of oncogenes or oncoproteins, restoring the silent tumor suppressor genes, inhibition of the transcription factors and regulation of noncoding RNAs (including microRNAs and long noncoding RNAs) in LCSCs at the genetic level; inhibition of markers and blockade of the key signaling pathways of LCSCs at the molecular level; and inhibiting autophagy and application of oncolytic adenoviruses in LCSCs at the cellular level. Moreover, we analyze the potential targets in LCSCs to eliminate chemoresistance of HCC. Thereinto, the suppression of autophagy and Nanog by chloroquine and shRNA respectively may be the most promising targeting approaches. These targets may provide novel therapeutic strategies for the treatment of HCC by targeting LCSCs.
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Affiliation(s)
- Na Li
- The First Affiliated Hospital of Dalian Medical University, Dalian, China
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Goumard C, Desbois-Mouthon C, Wendum D, Calmel C, Merabtene F, Scatton O, Praz F. Low Levels of Microsatellite Instability at Simple Repeated Sequences Commonly Occur in Human Hepatocellular Carcinoma. Cancer Genomics Proteomics 2018; 14:329-339. [PMID: 28871000 DOI: 10.21873/cgp.20043] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2017] [Revised: 07/07/2017] [Accepted: 07/12/2017] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND/AIM The aim of this study was to assess the incidence of MSI in a large series of human hepatocellular carcinomas (HCC) with various etiologies. MATERIALS AND METHODS The MSI status was determined by polymerase chain reaction (PCR) using 5 mononucleotide and 13 CAn dinucleotide repeats. RESULTS None of the 122 HCC samples displayed an MSI-High phenotype, as defined by the presence of alterations at more than 30% of the microsatellite markers analyzed. Yet, limited microsatellite instability consisting in the insertion or deletion of a few repeat motifs was detected in 32 tumor samples (26.2%), regardless of the etiology of the underlying liver disease. MSI tended to be higher in patients with cirrhosis (p=0.051), possibly reflecting an impact of the inflammatory context in this process. CONCLUSION Based on a large series of HCC with various etiologies, our study allowed us to definitely conclude that MSI is not a hallmark of HCC.
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Affiliation(s)
- Claire Goumard
- Sorbonne Universités, UPMC Univ Paris 06, INSERM, CNRS, Centre de Recherche Saint-Antoine (CRSA), Paris, France
| | - Christele Desbois-Mouthon
- Sorbonne Universités, UPMC Univ Paris 06, INSERM, CNRS, Centre de Recherche Saint-Antoine (CRSA), Paris, France
| | - Dominique Wendum
- Sorbonne Universités, UPMC Univ Paris 06, INSERM, CNRS, Centre de Recherche Saint-Antoine (CRSA), Paris, France.,APHP, Hôpital Saint-Antoine, Service d'Anatomie Pathologique, Paris, France
| | - Claire Calmel
- Sorbonne Universités, UPMC Univ Paris 06, INSERM, CNRS, Centre de Recherche Saint-Antoine (CRSA), Paris, France
| | - Fatiha Merabtene
- Sorbonne Universités, UPMC Univ Paris 06, INSERM, CNRS, Centre de Recherche Saint-Antoine (CRSA), Paris, France.,Plateforme d'Histomorphologie Saint-Antoine, UMS 30, Paris, France
| | - Olivier Scatton
- Sorbonne Universités, UPMC Univ Paris 06, INSERM, CNRS, Centre de Recherche Saint-Antoine (CRSA), Paris, France.,APHP, Hôpital Saint-Antoine, Service de Chirurgie Hépatobiliaire, Paris, France
| | - Françoise Praz
- Sorbonne Universités, UPMC Univ Paris 06, INSERM, CNRS, Centre de Recherche Saint-Antoine (CRSA), Paris, France
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Erstad DJ, Fuchs BC, Tanabe KK. Molecular signatures in hepatocellular carcinoma: A step toward rationally designed cancer therapy. Cancer 2018; 124:3084-3104. [DOI: 10.1002/cncr.31257] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2017] [Revised: 12/12/2017] [Accepted: 12/13/2017] [Indexed: 12/14/2022]
Affiliation(s)
- Derek J. Erstad
- Department of SurgeryMassachusetts General HospitalBoston Massachusetts
| | - Bryan C. Fuchs
- Division of Surgical OncologyMassachusetts General HospitalBoston Massachusetts
| | - Kenneth K. Tanabe
- Division of Surgical OncologyMassachusetts General HospitalBoston Massachusetts
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Liu K, Zhao K, Wang L, Sun E. Prognostic value of microRNA-155 in human carcinomas: An updated meta-analysis. Clin Chim Acta 2018; 479:171-180. [DOI: 10.1016/j.cca.2018.01.036] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2017] [Revised: 01/13/2018] [Accepted: 01/20/2018] [Indexed: 12/14/2022]
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Okajima W, Komatsu S, Ichikawa D, Miyamae M, Kawaguchi T, Hirajima S, Ohashi T, Imamura T, Kiuchi J, Arita T, Konishi H, Shiozaki A, Moriumura R, Ikoma H, Okamoto K, Taniguchi H, Itoh Y, Otsuji E. Circulating microRNA profiles in plasma: identification of miR-224 as a novel diagnostic biomarker in hepatocellular carcinoma independent of hepatic function. Oncotarget 2018; 7:53820-53836. [PMID: 27462777 PMCID: PMC5288224 DOI: 10.18632/oncotarget.10781] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2016] [Accepted: 07/09/2016] [Indexed: 12/21/2022] Open
Abstract
Aims This study was designed to identify novel microRNAs (miRNAs) in plasma for detecting and monitoring hepatocellular carcinoma (HCC), independent of hepatic function and background liver diseases with different etiologies. Results (1) Four oncogenic miRNAs (miR-151, 155, 191 and 224) with high expression in HCC tissues were selected as candidates. (2) Quantitative RT-PCR using plasma samples from 107 HCC patients and 75 healthy volunteers revealed a significantly higher level of plasma miR-224 in HCC patients than in healthy volunteers according to a small-scale analysis (P < 0.0001), two independent large-scale cohort analysis (P < 0.0001, AUC 0.908). (3) miR-224 expression was significantly higher in HCC tissues and HCC cell lines than in normal hepatic tissues and fibroblasts, respectively. (P = 0.0011, 0.0150) (4) Plasma miR-224 reflected tumor dynamics; preoperative plasma levels of miR-224 were significantly reduced in postoperative samples (P = 0.0058), and plasma miR-224 levels were significantly correlated with paired miR-224 levels in HCC tissues (P = 0.0005). (5) Furthermore, plasma miR-224 levels significantly discriminated HCC patients from patients with chronic liver disease (P = 0.0008). A high plasma miR-224 level was significantly correlated with larger tumor size (P = 0.0005) and recurrences (P = 0.0027). The plasma miR-224 level could accurately detect small tumors less than 18 mm preoperatively. Methods We performed a systematic review of the NCBI database and selected candidate miRNAs reported as highly expressed in HCC tissue. Conclusions Plasma miR-224 may be a sensitive biomarker for screening HCC and monitoring tumor dynamics.
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Affiliation(s)
- Wataru Okajima
- Division of Digestive Surgery, Department of Surgery, Kyoto Prefectural University of Medicine, Kawaramachihirokoji, Kamigyo-ku, Kyoto, 602-8566, Japan
| | - Shuhei Komatsu
- Division of Digestive Surgery, Department of Surgery, Kyoto Prefectural University of Medicine, Kawaramachihirokoji, Kamigyo-ku, Kyoto, 602-8566, Japan
| | - Daisuke Ichikawa
- Division of Digestive Surgery, Department of Surgery, Kyoto Prefectural University of Medicine, Kawaramachihirokoji, Kamigyo-ku, Kyoto, 602-8566, Japan
| | - Mahito Miyamae
- Division of Digestive Surgery, Department of Surgery, Kyoto Prefectural University of Medicine, Kawaramachihirokoji, Kamigyo-ku, Kyoto, 602-8566, Japan
| | - Tsutomu Kawaguchi
- Division of Digestive Surgery, Department of Surgery, Kyoto Prefectural University of Medicine, Kawaramachihirokoji, Kamigyo-ku, Kyoto, 602-8566, Japan
| | - Shoji Hirajima
- Division of Digestive Surgery, Department of Surgery, Kyoto Prefectural University of Medicine, Kawaramachihirokoji, Kamigyo-ku, Kyoto, 602-8566, Japan
| | - Takuma Ohashi
- Division of Digestive Surgery, Department of Surgery, Kyoto Prefectural University of Medicine, Kawaramachihirokoji, Kamigyo-ku, Kyoto, 602-8566, Japan
| | - Taisuke Imamura
- Division of Digestive Surgery, Department of Surgery, Kyoto Prefectural University of Medicine, Kawaramachihirokoji, Kamigyo-ku, Kyoto, 602-8566, Japan
| | - Jun Kiuchi
- Division of Digestive Surgery, Department of Surgery, Kyoto Prefectural University of Medicine, Kawaramachihirokoji, Kamigyo-ku, Kyoto, 602-8566, Japan
| | - Tomohiro Arita
- Division of Digestive Surgery, Department of Surgery, Kyoto Prefectural University of Medicine, Kawaramachihirokoji, Kamigyo-ku, Kyoto, 602-8566, Japan
| | - Hirotaka Konishi
- Division of Digestive Surgery, Department of Surgery, Kyoto Prefectural University of Medicine, Kawaramachihirokoji, Kamigyo-ku, Kyoto, 602-8566, Japan
| | - Atsushi Shiozaki
- Division of Digestive Surgery, Department of Surgery, Kyoto Prefectural University of Medicine, Kawaramachihirokoji, Kamigyo-ku, Kyoto, 602-8566, Japan
| | - Ryo Moriumura
- Division of Digestive Surgery, Department of Surgery, Kyoto Prefectural University of Medicine, Kawaramachihirokoji, Kamigyo-ku, Kyoto, 602-8566, Japan
| | - Hisashi Ikoma
- Division of Digestive Surgery, Department of Surgery, Kyoto Prefectural University of Medicine, Kawaramachihirokoji, Kamigyo-ku, Kyoto, 602-8566, Japan
| | - Kazuma Okamoto
- Division of Digestive Surgery, Department of Surgery, Kyoto Prefectural University of Medicine, Kawaramachihirokoji, Kamigyo-ku, Kyoto, 602-8566, Japan
| | - Hiroki Taniguchi
- Department of Surgery, Kyoto Second Red Cross Hospital, Haruobicho, Kamigyo-ku, 602-8026, Kyoto, Japan
| | - Yoshito Itoh
- Department of Molecular Gastroenterology and Hepatology, Kyoto Prefectural University of Medicine, Kawaramachihirokoji, Kamigyo-ku, Kyoto, 602-8566, Japan
| | - Eigo Otsuji
- Division of Digestive Surgery, Department of Surgery, Kyoto Prefectural University of Medicine, Kawaramachihirokoji, Kamigyo-ku, Kyoto, 602-8566, Japan
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Chen C, Luo F, Yang Q, Wang D, Yang P, Xue J, Dai X, Liu X, Xu H, Lu J, Zhang A, Liu Q. NF-κB-regulated miR-155, via repression of QKI, contributes to the acquisition of CSC-like phenotype during the neoplastic transformation of hepatic cells induced by arsenite. Mol Carcinog 2017; 57:483-493. [DOI: 10.1002/mc.22772] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2017] [Revised: 12/04/2017] [Accepted: 12/07/2017] [Indexed: 12/16/2022]
Affiliation(s)
- Chao Chen
- Institute of Toxicology; School of Public Health; Nanjing Medical University; Nanjing Jiangsu People's Republic of China
- The Key Laboratory of Modern Toxicology; Ministry of Education; School of Public Health; Nanjing Medical University; Nanjing Jiangsu People's Republic of China
| | - Fei Luo
- Institute of Toxicology; School of Public Health; Nanjing Medical University; Nanjing Jiangsu People's Republic of China
- The Key Laboratory of Modern Toxicology; Ministry of Education; School of Public Health; Nanjing Medical University; Nanjing Jiangsu People's Republic of China
| | - Qianlei Yang
- Institute of Toxicology; School of Public Health; Nanjing Medical University; Nanjing Jiangsu People's Republic of China
- The Key Laboratory of Modern Toxicology; Ministry of Education; School of Public Health; Nanjing Medical University; Nanjing Jiangsu People's Republic of China
| | - Dapeng Wang
- The Key Laboratory of Environmental Pollution Monitoring and Disease Control; Ministry of Education; School of Public Health; Guizhou Medical University; Guiyang Guizhou People's Republic of China
| | - Ping Yang
- The School of Public Health, Institute for Chemical Carcinogenesis; Guangzhou Medical University; Guangzhou Guangdong People's Republic China
| | - Junchao Xue
- Institute of Toxicology; School of Public Health; Nanjing Medical University; Nanjing Jiangsu People's Republic of China
- The Key Laboratory of Modern Toxicology; Ministry of Education; School of Public Health; Nanjing Medical University; Nanjing Jiangsu People's Republic of China
| | - Xiangyu Dai
- Institute of Toxicology; School of Public Health; Nanjing Medical University; Nanjing Jiangsu People's Republic of China
- The Key Laboratory of Modern Toxicology; Ministry of Education; School of Public Health; Nanjing Medical University; Nanjing Jiangsu People's Republic of China
| | - Xinlu Liu
- Institute of Toxicology; School of Public Health; Nanjing Medical University; Nanjing Jiangsu People's Republic of China
- The Key Laboratory of Modern Toxicology; Ministry of Education; School of Public Health; Nanjing Medical University; Nanjing Jiangsu People's Republic of China
| | - Hui Xu
- Institute of Toxicology; School of Public Health; Nanjing Medical University; Nanjing Jiangsu People's Republic of China
- The Key Laboratory of Modern Toxicology; Ministry of Education; School of Public Health; Nanjing Medical University; Nanjing Jiangsu People's Republic of China
| | - Jiachun Lu
- The School of Public Health, Institute for Chemical Carcinogenesis; Guangzhou Medical University; Guangzhou Guangdong People's Republic China
| | - Aihua Zhang
- The Key Laboratory of Environmental Pollution Monitoring and Disease Control; Ministry of Education; School of Public Health; Guizhou Medical University; Guiyang Guizhou People's Republic of China
| | - Qizhan Liu
- Institute of Toxicology; School of Public Health; Nanjing Medical University; Nanjing Jiangsu People's Republic of China
- The Key Laboratory of Modern Toxicology; Ministry of Education; School of Public Health; Nanjing Medical University; Nanjing Jiangsu People's Republic of China
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Ng KTP, Lo CM, Wong N, Li CX, Qi X, Liu XB, Geng W, Yeung OWH, Ma YY, Chan SC, Man K. Early-phase circulating miRNAs predict tumor recurrence and survival of hepatocellular carcinoma patients after liver transplantation. Oncotarget 2017; 7:19824-39. [PMID: 26918346 PMCID: PMC4991421 DOI: 10.18632/oncotarget.7627] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2015] [Accepted: 02/16/2016] [Indexed: 12/13/2022] Open
Abstract
Post-liver transplantation tumor recurrence is a major challenge for hepatocellular carcinoma (HCC) recipients. We aimed to identify early-phase circulating microRNAs after liver transplantation for predicting tumor recurrence and survival of HCC recipients. Circulating microRNA profiles at early-phase (2-hour after portal vein reperfusion) after liver transplantation were compared between HCC recipients with (n=4) and without tumor recurrence (n=8) by microarray analyses. Candidate microRNAs were validated in 62 HCC recipients by quantitative RT-PCR. The prognostic values of microRNAs for tumor recurrence and survival were examined. Simulated in vitro ischemia-reperfusion injury models were employed to characterize the possible mechanism of up-regulation of circulating microRNAs. Our results showed that up-regulation of circulating miR-148a, miR-1246 or miR-1290 at early-phase was significantly associated with HCC recurrence after liver transplantation. Among them, miR-148a (p=0.030) and miR-1246 (p=0.009) were significant predictors of HCC recurrence. MiR-1246 was an independent predictor of overall (p=0.023) and disease-free survival (p=0.020) of HCC recipients. The level of early-phase circulating miR-1246 was positively correlated with serum AST and ALT levels in HCC recipients after liver transplantation. The expression of hepatic miR-1246 was positively correlated with TNFα mRNA. In vitro experiments indicated that injury-induced activation and differentiation of macrophages significantly elevated the expression and secretion of miR-1246. In conclusion, early-phase circulating miR-1246 is an indicator of hepatic injury and a novel prognostic biomarker for tumor recurrence and survival of HCC recipients after liver transplantation.
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Affiliation(s)
- Kevin Tak-Pan Ng
- Department of Surgery, The University of Hong Kong, Hong Kong.,Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Hangzhou, China
| | - Chung Mau Lo
- Department of Surgery, The University of Hong Kong, Hong Kong.,Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Hangzhou, China
| | - Nathalie Wong
- Department of Anatomical and Cellular Pathology, The Chinese University of Hong Kong, Hong Kong
| | - Chang Xian Li
- Department of Surgery, The University of Hong Kong, Hong Kong.,Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Hangzhou, China
| | - Xiang Qi
- Department of Surgery, The University of Hong Kong, Hong Kong.,Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Hangzhou, China
| | - Xiao Bing Liu
- Department of Surgery, The University of Hong Kong, Hong Kong.,Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Hangzhou, China
| | - Wei Geng
- Department of Surgery, The University of Hong Kong, Hong Kong.,Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Hangzhou, China
| | - Oscar Wai-Ho Yeung
- Department of Surgery, The University of Hong Kong, Hong Kong.,Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Hangzhou, China
| | - Yuen Yuen Ma
- Department of Surgery, The University of Hong Kong, Hong Kong.,Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Hangzhou, China
| | - See Ching Chan
- Department of Surgery, The University of Hong Kong, Hong Kong
| | - Kwan Man
- Department of Surgery, The University of Hong Kong, Hong Kong.,Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Hangzhou, China
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Abstract
Virology is probably the most rapidly developing field within clinical laboratory medicine. Adequate diagnostic methods exist for the diagnostics of most acute viral infections. However, emergence of pathogenic viruses or virus strains and new disease associations of known viruses require the establishment of new diagnostic methods, sometimes very rapidly. In the field of chronic or persistent viral diseases, particularly those involving potential of malignant or fatal development, there is a constant need for improved differential diagnostics, monitoring, prognosis and risk assessment. Increasing understanding of disease pathogenesis also enables better patient management and personalized medicine, where companion diagnostics can offer precise and specific tools for individual care. Very often the new tools are offered by molecular diagnostic techniques, and this includes the detection of microRNAs (miRNAs). miRNAs are small regulatory RNA molecules, which regulate the expression of their target genes. They are encoded both by viruses and their host, and both can target either viral or cellular gene expression. In this review the diagnostic possibilities offered by miRNA will be discussed. The focus will be on selected viral and human miRNAs in viral diseases, and examples of miRNAs of putative diagnostic potential will be presented.
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Affiliation(s)
- Eeva Auvinen
- Department of Virology, University of Helsinki and Helsinki University Hospital, Haartmaninkatu 3, POB 21, 00014, Helsinki, Finland.
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Al-Haidari AA, Syk I, Thorlacius H. MiR-155-5p positively regulates CCL17-induced colon cancer cell migration by targeting RhoA. Oncotarget 2017; 8:14887-14896. [PMID: 28146427 PMCID: PMC5362452 DOI: 10.18632/oncotarget.14841] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2016] [Accepted: 01/16/2017] [Indexed: 12/22/2022] Open
Abstract
Colorectal cancer is the second most common cause of cancer-related death, which is due to migration of tumor cells to distant sites of metastasis. Accumulating data indicate that mciroRNAs play an important role in several aspects of colon cancer cell biology. Herein, we examined the role of miR-155-5p in colon cancer cell migration induced by the CCL17-CCR4 axis in HT-29 colon cancer cells. We found that miR-155-5p knockdown in serum starved colon cancer cells decreased CCL17-induced cell chemotaxis. Moreover, knocking down miR-155-5p markedly decreased CCL17-provoked activation of RhoA in colon cancer cells. Bioinformatics analysis predicted two putative binding sites in the AU-rich element at the 3'-UTR of RhoA mRNA. MiR-155-5p binding to RhoA mRNA was verified using a target site blocker and functionally validated by RNA immunoprecipitation assays, showing that miR-155-5p-dependent regulation of RhoA mRNA is mediated by AU-rich elements present in the 3'-UTR region. Taken together, these results show that miR-155-5p positively regulates RhoA mRNA levels and translation as well as cell migration in serum starved colon cancer cells and indicate that targeting miR-155-5p might be a useful strategy to antagonize colon cancer metastasis.
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Affiliation(s)
- Amr A Al-Haidari
- Department of Clinical Sciences, Section of Surgery, Lund University, 20502 Malmö, Sweden
| | - Ingvar Syk
- Department of Clinical Sciences, Section of Surgery, Lund University, 20502 Malmö, Sweden
| | - Henrik Thorlacius
- Department of Clinical Sciences, Section of Surgery, Lund University, 20502 Malmö, Sweden
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40
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Prognostic value of microRNAs in hepatocellular carcinoma: a meta-analysis. Oncotarget 2017; 8:107237-107257. [PMID: 29291025 PMCID: PMC5739810 DOI: 10.18632/oncotarget.20883] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2017] [Accepted: 08/29/2017] [Indexed: 12/20/2022] Open
Abstract
Background Numerous articles reported that dysregulated expression levels of miRNAs correlated with survival time of HCC patients. However, there has not been a comprehensive meta-analysis to evaluate the accurate prognostic value of miRNAs in HCC. Design Meta-analysis. Materials and Methods Studies, published in English, estimating expression levels of miRNAs with any survival curves in HCC were identified up until 15 April, 2017 by performing online searches in PubMed, EMBASE, Web of Science and Cochrane Database of Systematic Reviews by two independent authors. The pooled hazard ratios (HR) with 95% confidence intervals (CI) were used to estimate the correlation between miRNA expression and overall survival (OS). Results 54 relevant articles about 16 miRNAs, with 6464 patients, were ultimately included. HCC patients with high expression of tissue miR-9 (HR = 2.35, 95% CI = 1.46–3.76), miR-21 (HR = 1.76, 95% CI = 1.29–2.41), miR-34c (HR = 1.64, 95% CI = 1.05–2.57), miR-155 (HR = 2.84, 95% CI = 1.46–5.51), miR-221 (HR = 1.76, 95% CI = 1.02–3.04) or low expression of tissue miR-22 (HR = 2.29, 95% CI = 1.63–3.21), miR-29c (HR = 1.35, 95% CI = 1.10–1.65), miR-34a (HR = 1.84, 95% CI = 1.30–2.59), miR-199a (HR = 2.78, 95% CI = 1.89–4.08), miR-200a (HR = 2.64, 95% CI = 1.86–3.77), miR-203 (HR = 2.20, 95% CI = 1.61–3.00) have significantly poor OS (P < 0.05). Likewise, HCC patients with high expression of blood miR-21 (HR = 1.73, 95% CI = 1.07–2.80), miR-192 (HR = 2.42, 95% CI = 1.15–5.10), miR-224 (HR = 1.56, 95% CI = 1.14–2.12) or low expression of blood miR-148a (HR = 2.26, 95% CI = 1.11–4.59) have significantly short OS (P < 0.05). Conclusions In conclusion, tissue miR-9, miR-21, miR-22, miR-29c, miR-34a, miR-34c, miR-155, miR-199a, miR-200a, miR-203, miR-221 and blood miR-21, miR-148a, miR-192, miR-224 demonstrate significantly prognostic value. Among them, tissue miR-9, miR-22, miR-155, miR-199a, miR-200a, miR-203 and blood miR-148a, miR-192 are potential prognostic candidates for predicting OS in HCC.
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Klingenberg M, Matsuda A, Diederichs S, Patel T. Non-coding RNA in hepatocellular carcinoma: Mechanisms, biomarkers and therapeutic targets. J Hepatol 2017; 67:603-618. [PMID: 28438689 DOI: 10.1016/j.jhep.2017.04.009] [Citation(s) in RCA: 273] [Impact Index Per Article: 39.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/30/2017] [Revised: 04/10/2017] [Accepted: 04/11/2017] [Indexed: 02/06/2023]
Abstract
The majority of the human genome is not translated into proteins but can be transcribed into RNA. Even though the resulting non-coding RNAs (ncRNAs) do not encode for proteins, they contribute to diseases such as cancer. Here, we review examples of the functions of ncRNAs in liver cancer and their potential use for the detection and treatment of liver cancer.
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Affiliation(s)
- Marcel Klingenberg
- Division of RNA Biology & Cancer, German Cancer Research Center (DKFZ), Heidelberg, Germany; Institute of Pathology, University Hospital Heidelberg, Heidelberg, Germany; Hartmut Hoffmann-Berling International Graduate School of Molecular and Cellular Biology (HBIGS), University of Heidelberg, Heidelberg, Germany
| | - Akiko Matsuda
- Department of Transplantation, Mayo Clinic, Jacksonville, FL, USA; Department of Cancer Biology, Mayo Clinic, Jacksonville, FL, USA
| | - Sven Diederichs
- Division of RNA Biology & Cancer, German Cancer Research Center (DKFZ), Heidelberg, Germany; Institute of Pathology, University Hospital Heidelberg, Heidelberg, Germany; Hartmut Hoffmann-Berling International Graduate School of Molecular and Cellular Biology (HBIGS), University of Heidelberg, Heidelberg, Germany; German Cancer Consortium (DKTK), Freiburg, Germany; Division of Cancer Research, Dept. of Thoracic Surgery, Medical Center - University of Freiburg, Freiburg, Germany; Faculty of Medicine, University of Freiburg, Freiburg, Germany.
| | - Tushar Patel
- Department of Transplantation, Mayo Clinic, Jacksonville, FL, USA; Department of Cancer Biology, Mayo Clinic, Jacksonville, FL, USA.
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Liang B, Zhao J, Wang X. A three-microRNA signature as a diagnostic and prognostic marker in clear cell renal cancer: An In Silico analysis. PLoS One 2017; 12:e0180660. [PMID: 28662155 PMCID: PMC5491330 DOI: 10.1371/journal.pone.0180660] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2017] [Accepted: 06/19/2017] [Indexed: 12/21/2022] Open
Abstract
Accumulating evidence has demonstrated that some specific miRNAs were aberrantly expressed in renal clear cell carcinoma and participated in many biological processes. The aim of this study was to investigate a panel of miRNA signature for diagnosis and prognosis of renal clear cell carcinoma (KIRC). Here, we performed a comprehensive analysis for miRNA expression profiles and corresponding clinical information of 516 KIRC patients from The Cancer Genome Atlas (TCGA). In the study, a total of 63 differentially expressed miRNAs were identified, of which 34 were up-regulated and 29 were down-regulated. We constructed a panel of three-miRNA that were significantly associated with KIRC diagnosis and KIRC patients' prognosis. The three-miRNA signature reached a sensitivity of 98.3% and a specificity of 97.2% in the diagnosis of KIRC. Using the three-miRNA signature, we classified the KIRC patients into high-risk group and low-risk group. The Kaplan- Meier curves showed that KIRC patients with high risk scores had significantly worsen overall survival (OS) and disease free survival (DFS) than KIRC patients with low risk scores. In the univariate and multivariate Cox regression analysis, three-miRNA signature was an independent prognostic factor in OS. In conclusion, the three-miRNA signature could be used as a diagnostic and prognostic biomarker in KIRC, and therefore, may help to provide significant clinical implication for the treatment of KIRC.
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Affiliation(s)
- Bin Liang
- Department of Bioinformatics, Key Laboratory of Cell Biology, Ministry of Public Health and Key Laboratory of Medical Cell Biology, Ministry of Education, College of Basic Medical Science, China Medical University, Shenyang, China
- * E-mail:
| | - Jianying Zhao
- Department of Clinical Laboratory, No. 202 Hospital of PLA, Shenyang, China
- Graduate School, Jinzhou Medical University, Jinzhou, China
| | - Xuan Wang
- Graduate School, Dalian Medical University, Dalian, China
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44
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Fu X, Wen H, Jing L, Yang Y, Wang W, Liang X, Nan K, Yao Y, Tian T. MicroRNA-155-5p promotes hepatocellular carcinoma progression by suppressing PTEN through the PI3K/Akt pathway. Cancer Sci 2017; 108:620-631. [PMID: 28132399 PMCID: PMC5406601 DOI: 10.1111/cas.13177] [Citation(s) in RCA: 122] [Impact Index Per Article: 17.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2016] [Revised: 01/17/2017] [Accepted: 01/24/2017] [Indexed: 12/12/2022] Open
Abstract
MicroRNA‐155‐5p (miR‐155‐5p) has been reported to play an oncogenic role in different human malignancies; however, its role in hepatocellular carcinoma (HCC) progression is not clearly understood. In this study, we used real‐time PCR in 20 rats with chemically‐induced HCC, 28 human HCC tissues, and the matched paracarcinoma tissues, and HCC cell lines to determine the expression patterns of miR‐155‐5p and PTEN mRNA. Algorithm‐based and experimental strategies, such as dual luciferase gene reporter assays, real‐time PCR and western blots were used to identify PTEN as a candidate miR‐155‐5p target. Gain‐ and loss‐of‐function experiments and administration of a PI3K/Akt pathway inhibitor (wortmannin) were used to identify the effects of miR‐155‐5p and PTEN in MTT assays, flow cytometric analysis, wound healing assays and transwell assays. The results showed that miR‐155‐5p was highly overexpressed; however, PTEN was underexpressed in the HCC rat models, human HCC tissues and cell lines. In addition, miR‐155‐5p upregulation and PTEN downregulation were significantly associated with TNM stage (P < 0.05). Through in vitro experiments, we found that miR‐155‐5p promoted proliferation, invasion and migration, but inhibited apoptosis in HCC by directly targeting the 3′‐UTR of PTEN. Western blots showed that miR‐155‐5p inactivated Bax and caspase‐9, but activated Bcl‐2 to inhibit apoptosis, and it activated MMP to promote migration and invasion via the PI3K/Akt pathway. A xenograft tumor model was used to demonstrate that miR‐155‐5p targets PTEN and activates the PI3K/Akt pathway in vivo as well. Our study highlighted the importance of miR‐155‐5p and PTEN associated with aggressive HCC both in vitro and in vivo.
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Affiliation(s)
- Xiao Fu
- Department of Medical Oncology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Hongqing Wen
- Department of Medical Oncology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China.,Department of Respiratory, Third Hospital of Xi'an, Xi'an, Shaanxi, China
| | - Li Jing
- Department of Medical Oncology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Yujuan Yang
- The third Department of Cardiology, Shaanxi Provincial People's Hospital, Xi'an, Shaanxi, China
| | - Wenjuan Wang
- Department of Medical Oncology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Xuan Liang
- Department of Medical Oncology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Kejun Nan
- Department of Medical Oncology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Yu Yao
- Department of Medical Oncology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Tao Tian
- Department of Medical Oncology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
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Yadav S, Singh N, Shah PP, Rowbotham DA, Malik D, Srivastav A, Shankar J, Lam WL, Lockwood WW, Beverly LJ. MIR155 Regulation of Ubiquilin1 and Ubiquilin2: Implications in Cellular Protection and Tumorigenesis. Neoplasia 2017; 19:321-332. [PMID: 28315615 PMCID: PMC5361868 DOI: 10.1016/j.neo.2017.02.001] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2017] [Revised: 01/31/2017] [Accepted: 02/06/2017] [Indexed: 12/15/2022] Open
Abstract
Ubiquilin (UBQLN) proteins are adaptors thought to link ubiquitinated proteins to the proteasome. However, our lab has recently reported a previously unappreciated role for loss of UBQLN in lung cancer progression. In fact, UBQLN genes are lost in over 50% of lung cancer samples examined. However, a reason for the loss of UBQLN has not been proposed, nor has a selective pressure that could lead to deletion of UBQLN been reported. Diesel Exhaust Particles (DEP) are a major concern in the large cities of developing nations and DEP exposed populations are at an increased risk of developing a number of illnesses, including lung cancer. A connection between DEP and UBQLN has never been examined. In the present study, we determined the effect of DEP on lung cell lines and were interested to determine if UBQLN proteins could potentially play a protective role following treatment with DEP. Interestingly, we found that DEP treated cells have increased expression of UBQLN proteins. In fact, over-expression of UBQLN was capable of protecting cells from DEP toxicity. To investigate the mechanism by which DEP leads to increased UBQLN protein levels, we identified and interrogated microRNAs that were predicted to regulate UBQLN mRNA. We found that DEP decreases the oncogenic microRNA, MIR155. Further, we showed that MIR155 regulates the mRNA of UBQLN1 and UBQLN2 in cells, such that increased MIR155 expression increased cell invasion, migration, wound formation and clonogenicity in UBQLN-loss dependent manner. This is the first report of an environmental carcinogen regulating expression of UBQLN proteins. We show that exposure of cells to DEP causes an increase in UBQLN levels and that MIR155 regulates mRNA of UBQLN. Thus, we propose that DEP-induced repression of MIR155 leads to increased UBQLN levels, which in turn may be a selective pressure on lung cells to lose UBQLN1.
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Affiliation(s)
- Sanjay Yadav
- James Graham Brown Cancer Center, University of Louisville, Louisville, KY 40202; CSIR-Indian Institute of Toxicology Research, Lucknow, UP 226001, India.
| | - Nishant Singh
- CSIR-Indian Institute of Toxicology Research, Lucknow, UP 226001, India.
| | - Parag P Shah
- James Graham Brown Cancer Center, University of Louisville, Louisville, KY 40202.
| | - David A Rowbotham
- Integrative Oncology, British Columbia Cancer Agency, Vancouver, B.C., Canada V5Z 1L3.
| | - Danial Malik
- James Graham Brown Cancer Center, University of Louisville, Louisville, KY 40202.
| | - Ankita Srivastav
- CSIR-Indian Institute of Toxicology Research, Lucknow, UP 226001, India.
| | - Jai Shankar
- CSIR-Indian Institute of Toxicology Research, Lucknow, UP 226001, India.
| | - Wan L Lam
- Integrative Oncology, British Columbia Cancer Agency, Vancouver, B.C., Canada V5Z 1L3; Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, B.C., Canada V6T 2B5.
| | - William W Lockwood
- Integrative Oncology, British Columbia Cancer Agency, Vancouver, B.C., Canada V5Z 1L3; Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, B.C., Canada V6T 2B5.
| | - Levi J Beverly
- James Graham Brown Cancer Center, University of Louisville, Louisville, KY 40202; Department of Medicine, Division of Hematology and Oncology, University of Louisville School of Medicine, Louisville, KY 40202; Department of Pharmacology and Toxicology, University of Louisville School of Medicine, Louisville, KY 40202.
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Thomsen KG, Terp MG, Lund RR, Søkilde R, Elias D, Bak M, Litman T, Beck HC, Lyng MB, Ditzel HJ. miR-155, identified as anti-metastatic by global miRNA profiling of a metastasis model, inhibits cancer cell extravasation and colonization in vivo and causes significant signaling alterations. Oncotarget 2016; 6:29224-39. [PMID: 26317550 PMCID: PMC4745722 DOI: 10.18632/oncotarget.4942] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2015] [Accepted: 07/29/2015] [Indexed: 01/07/2023] Open
Abstract
To gain insight into miRNA regulation in metastasis formation, we used a metastasis cell line model that allows investigation of extravasation and colonization of circulating cancer cells to lungs in mice. Using global miRNA profiling, 28 miRNAs were found to exhibit significantly altered expression between isogenic metastasizing and non-metastasizing cancer cells, with miR-155 being the most differentially expressed. Highly metastatic mesenchymal-like CL16 cancer cells showed very low miR-155 expression, and miR-155 overexpression in these cells lead to significantly decreased tumor burden in lungs when injected intravenously in immunodeficient mice. Our experiments addressing the underlying mechanism of the altered tumor burden revealed that miR-155-overexpressing CL16 cells were less invasive than CL16 control cells in vitro, while miR-155 overexpression had no effect on cancer cell proliferation or apoptosis in established lung tumors. To identify proteins regulated by miR-155 and thus delineate its function in our cell model, we compared the proteome of xenograft tumors derived from miR-155-overexpressing CL16 cells and CL16 control cells using mass spectrometry-based proteomics. >4,000 proteins were identified, of which 92 were consistently differentially expressed. Network analysis revealed that the altered proteins were associated with cellular functions such as movement, growth and survival as well as cell-to-cell signaling and interaction. Downregulation of the three metastasis-associated proteins ALDH1A1, PIR and PDCD4 in miR-155-overexpressing tumors was validated by immunohistochemistry. Our results demonstrate that miR-155 inhibits the ability of cancer cells to extravasate and/or colonize at distant organs and brings additional insight into the complexity of miR-155 regulation in metastatic seeding.
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Affiliation(s)
- Karina G Thomsen
- Institute of Molecular Medicine, Department of Cancer and Inflammation Research, University of Southern Denmark, Odense, Denmark
| | - Mikkel G Terp
- Institute of Molecular Medicine, Department of Cancer and Inflammation Research, University of Southern Denmark, Odense, Denmark
| | - Rikke R Lund
- Institute of Molecular Medicine, Department of Cancer and Inflammation Research, University of Southern Denmark, Odense, Denmark
| | - Rolf Søkilde
- Department of Biomarker Discovery, Exiqon A/S, Vedbaek, Denmark
| | - Daniel Elias
- Institute of Molecular Medicine, Department of Cancer and Inflammation Research, University of Southern Denmark, Odense, Denmark
| | - Martin Bak
- Department of Pathology, Odense University Hospital, Odense, Denmark
| | - Thomas Litman
- Department of Biomarker Discovery, Exiqon A/S, Vedbaek, Denmark
| | - Hans C Beck
- Centre for Clinical Proteomics, Department of Clinical Biochemistry and Pharmacology, Odense University Hospital, Odense, Denmark
| | - Maria B Lyng
- Institute of Molecular Medicine, Department of Cancer and Inflammation Research, University of Southern Denmark, Odense, Denmark
| | - Henrik J Ditzel
- Institute of Molecular Medicine, Department of Cancer and Inflammation Research, University of Southern Denmark, Odense, Denmark.,Department of Oncology, Odense University Hospital, Odense, Denmark
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47
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Chauhan R, Lahiri N. Tissue- and Serum-Associated Biomarkers of Hepatocellular Carcinoma. BIOMARKERS IN CANCER 2016; 8:37-55. [PMID: 27398029 PMCID: PMC4933537 DOI: 10.4137/bic.s34413] [Citation(s) in RCA: 65] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/17/2016] [Revised: 03/15/2016] [Accepted: 03/27/2016] [Indexed: 12/13/2022]
Abstract
Hepatocellular carcinoma (HCC), one of the leading causes of cancer deaths in the world, is offering a challenge to human beings, with the current modes of treatment being a palliative approach. Lack of proper curative or preventive treatment methods encouraged extensive research around the world with an aim to detect a vaccine or therapeutic target biomolecule that could lead to development of a drug or vaccine against HCC. Biomarkers or biological disease markers have emerged as a potential tool as drug/vaccine targets, as they can accurately diagnose, predict, and even prevent the diseases. Biomarker expression in tissue, serum, plasma, or urine can detect tumor in very early stages of its development and monitor the cancer progression and also the effect of therapeutic interventions. Biomarker discoveries are driven by advanced techniques, such as proteomics, transcriptomics, whole genome sequencing, micro- and micro-RNA arrays, and translational clinics. In this review, an overview of the potential of tissue- and serum-associated HCC biomarkers as diagnostic, prognostic, and therapeutic targets for drug development is presented. In addition, we highlight recently developed micro-RNA, long noncoding RNA biomarkers, and single-nucleotide changes, which may be used independently or as complementary biomarkers. These active investigations going on around the world aimed at conquering HCC might show a bright light in the near future.
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Affiliation(s)
- Ranjit Chauhan
- Molecular Virology and Hepatology Research Group, Division of BioMedical Sciences, Memorial University of Newfoundland, St. John's, Newfoundland, Canada.; Department of Biology, University of Winnipeg, Winnipeg, Manitoba, Canada
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The NKD1/Rac1 feedback loop regulates the invasion and migration ability of hepatocarcinoma cells. Sci Rep 2016; 6:26971. [PMID: 27231134 PMCID: PMC4882592 DOI: 10.1038/srep26971] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2016] [Accepted: 05/10/2016] [Indexed: 12/13/2022] Open
Abstract
Hepatocellular carcinoma (HCC) is complicated by aggressive migration and invasion, which contribute to the increased mortality of HCC patients. The NKD1 protein is abnormally expressed in many neoplasms and plays an important role in tumor progression. However, the regulation and underlying molecular mechanisms of NKD1 in HCC cell invasion and migration remain poorly understood. In the present study, ectopic expression of NKD1 in HCC cells attenuated migration and invasion in vitro and in vivo by down-regulating Rac1 expression level and activity, which affected the HCC cell cytoskeleton and E-cadherin expression. Mechanistic studies showed that NKD1 interacted with Rac1 in the cytoplasm and promoted its degradation by the ubiquitin-proteasome pathway. Over-expression of Rac1 enhanced the transcription of the NKD1 gene and protein expression conversely owing to its negative regulation of EZH2. Analysis of clinical samples showed that abnormal expression of NKD1 and Rac1 was associated with the poor prognosis of HCC patients. In summary, our data indicate a new role for NKD1 as a regulator of HCC cell invasion and migration via a feedback loop involving Rac1.
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49
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Expression and Function of miR-155 in Diseases of the Gastrointestinal Tract. Int J Mol Sci 2016; 17:ijms17050709. [PMID: 27187359 PMCID: PMC4881531 DOI: 10.3390/ijms17050709] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2016] [Revised: 04/25/2016] [Accepted: 05/03/2016] [Indexed: 12/30/2022] Open
Abstract
MicroRNAs (miRNAs) are a type of small noncoding RNA that can regulate the expression of target genes under physiological and pathophysiological conditions. miR-155 is a multifunctional miRNA with inflammation-related and oncogenic roles. In particular, the dysregulation of miR-155 has been strongly implicated in Helicobacter pylori-related gastric disease, inflammatory bowel disease, and colorectal cancer in addition to being involved in molecular changes of important targets and signaling pathways. This review focuses on the expression and function of miR-155 during inflammation and carcinogenesis and its potential use as an effective therapeutic target for certain gastrointestinal diseases.
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Pommergaard HC, Burcharth J, Rosenberg J, Rasmussen A. Serologic and molecular biomarkers for recurrence of hepatocellular carcinoma after liver transplantation: A systematic review and meta-analysis. Transplant Rev (Orlando) 2016; 30:171-7. [PMID: 27118303 DOI: 10.1016/j.trre.2016.03.001] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2016] [Revised: 03/13/2016] [Accepted: 03/25/2016] [Indexed: 02/07/2023]
Abstract
INTRODUCTION Recurrence after liver transplantation (LT) for hepatocellular carcinoma (HCC) is a major cause of mortality. Knowledge on biomarkers may contribute to better surveillance based on the patients' risk of recurrence. Reviewing the literature, we aimed to identify serological and molecular biomarkers for recurrence of hepatocellular carcinoma after liver transplantation. METHODS A literature search was performed in the databases PubMed and Scopus to identify observational studies evaluating serological or molecular biomarkers for recurrence of HCC after LT using adjusted analysis to correct for confounding. RESULTS Of 502 records, 69 mainly retrospective studies were included with a total of 15,213 patients. Of these, 41 studies were suitable for meta-analyses, which showed that the serum markers pre-transplant α-fetoprotein (AFP) (hazard ratio (HR) 2.69 [2.08-3.47]), pre-transplant des-gamma-carboxy prothrombin (DCP) (HR 5.99 [3.27-10.98]), and allelic imbalance in microsatellites in DNA of tumor tissue (HR 13.49 [3.17-57.30]) were related to recurrence. CONCLUSIONS AFP, DCP and allelic imbalance in microsatellites may be used to predict recurrence. Together with other modalities, biomarkers may be used in future transplantation criteria to optimize selection of suitable patients.
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Affiliation(s)
- Hans-Christian Pommergaard
- Hvidovre Hospital - University of Copenhagen, Department of Surgery, Kettegård Allé 30, 2650 Hvidovre, Denmark.
| | - Jakob Burcharth
- Herlev Hospital - University of Copenhagen, Department of Surgery, Herlev Ringvej 75, 2730 Herlev, Denmark
| | - Jacob Rosenberg
- Herlev Hospital - University of Copenhagen, Department of Surgery, Herlev Ringvej 75, 2730 Herlev, Denmark
| | - Allan Rasmussen
- Rigshospitalet - University of Copenhagen, Department of Surgical Gastroenterology and Transplantation, Abdominal Centre, Blegdamsvej 9, 2100 Copenhagen, Denmark
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