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Bhartiya P, Jaiswal A, Negi M, Kaushik N, Ha Choi E, Kumar Kaushik N. Unlocking melanoma Suppression: Insights from Plasma-Induced potent miRNAs through PI3K-AKT-ZEB1 axis. J Adv Res 2024:S2090-1232(24)00084-5. [PMID: 38447612 DOI: 10.1016/j.jare.2024.02.022] [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: 11/23/2023] [Revised: 02/09/2024] [Accepted: 02/28/2024] [Indexed: 03/08/2024] Open
Abstract
INTRODUCTION Melanoma is a rare but highly malignant form of skin cancer. Although recent targeted and immune-based therapies have improved survival rates by 10-15%, effective melanoma treatment remains challenging. Therefore, novel, combinatorial therapy options such as non-thermal atmospheric pressure plasma (NTP) are being investigated to inhibit and prevent chemoresistance. Although several studies have reported the apoptotic and inhibitory effects of reactive oxygen species produced by NTP in the context of melanoma, the intricate molecular network that determines the role of microRNAs (miRNAs) in regulating NTP-mediated cell death remains unexplored. OBJECTIVES This study aimed to explore the molecular mechanisms and miRNA networks regulated by NTP-induced oxidative stress in melanoma cells. METHODS Melanoma cells were exposed to NTP and then subjected to high-throughput miRNA sequencing to identify NTP-regulated miRNAs. Various biological processes and underlying molecular mechanisms were assessed using Alamar Blue, propidium iodide (PI) uptake, cell migration, and clonogenic assays followed by qRT-PCR and flow cytometry. RESULTS NTP exposure for 3 min was sufficient to modulate the expression of several miRNAs, inhibiting cell growth. Persistent NTP exposure for 5 min increased differential miRNA regulation, PI uptake, and the expression of genes involved in cell cycle arrest and death. qPCR confirmed that miR-200b-3p and miR-215-5p upregulation contributed to decreased cell viability and migration. Mechanistically, inhibiting miR-200b-3p and miR-215-5p in SK-2 cells enhancedZEB1, PI3K, and AKT expression, increasing cell proliferation and viability. CONCLUSION This study demonstrated that NTP exposure for 5 min results in the differential regulation of miRNAs related to the PI3K-AKT-ZEB1 axis and cell cycle dysregulation to facilitate melanoma suppression.
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Affiliation(s)
- Pradeep Bhartiya
- Plasma Bioscience Research Center, Department of Electrical and Biological Physics, Kwangwoon University, Seoul 01897, Republic of Korea; Department of Biotechnology, College of Engineering, The University of Suwon, Hwaseong 18323, Republic of Korea
| | - Apurva Jaiswal
- Plasma Bioscience Research Center, Department of Electrical and Biological Physics, Kwangwoon University, Seoul 01897, Republic of Korea
| | - Manorma Negi
- Plasma Bioscience Research Center, Department of Electrical and Biological Physics, Kwangwoon University, Seoul 01897, Republic of Korea
| | - Neha Kaushik
- Department of Biotechnology, College of Engineering, The University of Suwon, Hwaseong 18323, Republic of Korea.
| | - Eun Ha Choi
- Plasma Bioscience Research Center, Department of Electrical and Biological Physics, Kwangwoon University, Seoul 01897, Republic of Korea.
| | - Nagendra Kumar Kaushik
- Plasma Bioscience Research Center, Department of Electrical and Biological Physics, Kwangwoon University, Seoul 01897, Republic of Korea.
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Hashmi K, Gupta S, Siddique A, Khan T, Joshi S. Medicinal applications of vanadium complexes with Schiff bases. J Trace Elem Med Biol 2023; 79:127245. [PMID: 37406475 DOI: 10.1016/j.jtemb.2023.127245] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Revised: 05/31/2023] [Accepted: 06/15/2023] [Indexed: 07/07/2023]
Abstract
Many transition metal complexes have been explored for their therapeutic properties after the discovery of cisplatin. Schiff bases have an efficient complexation tendency with the transition metals and several medicinal properties have been reported. However, fewer studies have reported the medicinal utility of vanadium and its Schiff base complexes. This paper provides a comprehensive overview of vanadium complexes with Schiff bases along with their mechanistic insight. Vanadium complexes in + 4 and + 5 oxidation states have exhibited well-defined geometry and found to be thermodynamically stable. The studies have reported the G0/G1 phase cell cycle arrest and decreased delta psi m, inducing mitochondrial membrane depolarization in cancer cell lines along with the alterations in the metabolism of the cancer cells upon dosing with the vanadium complexes. Cancer cell invasion and growth are also found to be markedly reduced by peroxo complexes of vanadium. The studies included in the review paper have been taken from leading indexing databases and focus was laid on recent reports in literature. The biological potential of vanadium complexes of Schiff bases opens new horizons for future interdisciplinary studies and investigation focussed on understanding the biochemistry of these complexes, along with designing new complexes which have better bioavailability, solubility and low or non-toxicity.
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Affiliation(s)
- Kulsum Hashmi
- Department of Chemistry, Isabella Thoburn College, Lucknow, UP 226007, India
| | - Sakshi Gupta
- Department of Chemistry, Isabella Thoburn College, Lucknow, UP 226007, India
| | - Armeen Siddique
- Department of Chemistry, Isabella Thoburn College, Lucknow, UP 226007, India
| | - Tahmeena Khan
- Department of Chemistry, Integral University, Lucknow, UP 226026, India
| | - Seema Joshi
- Department of Chemistry, Isabella Thoburn College, Lucknow, UP 226007, India.
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Tomczyk MD, Kuźnik N, Walczak K. Cyclen-based artificial nucleases: Three decades of development (1989–2022). Part a – Hydrolysis of phosphate esters. Coord Chem Rev 2023. [DOI: 10.1016/j.ccr.2023.215047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/10/2023]
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Kılıç N, Boyacıoğlu Ö, Saltoğlu GT, Bulduk EB, Kurt G, Korkusuz P. Thioredoxin System and miR-21, miR-23a/b and let-7a as Potential Biomarkers for Brain Tumor Progression: Preliminary Case Data. World Neurosurg 2022; 167:e1299-e1309. [PMID: 36096386 DOI: 10.1016/j.wneu.2022.09.024] [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: 08/22/2022] [Accepted: 09/05/2022] [Indexed: 11/25/2022]
Abstract
BACKGROUND The thioredoxin system and microRNAs (miRNAs) are potential targets for both cancer progression and treatment. However, the role of miRNAs and their relation with the expression profile of thioredoxin system in brain tumor progression remains unclear. METHODS In this study, we aimed to determine the expression profiles of redox components Trx-1, TrxR-1 and PRDX-1, and oncogenic miR-21, miR-23a/b and let-7a and oncosuppressor miR-125 in different brain tumor tissues and their association with increasing tumor grade. We studied Trx-1, TrxR-1, and PRDX-1 messenger RNA expression levels by quantitative real-time polymerase chain reaction and protein levels by Western blot and miR-23a, miR-23b, miR-125a, miR-21, and let-7a miRNA expression levels by quantitative real-time polymerase chain reaction in 16 glioma, 15 meningioma, 5 metastatic, and 2 benign tumor samples. We also examined Trx-1, TrxR-1, and PRDX-1 protein levels in serum samples of 36 patients with brain tumor and 37 healthy volunteers by enzyme-linked immunosorbent assay. RESULTS We found that Trx-1, TrxR-1, and PRDX-1 presented high messenger RNA expression but low protein expression in low-grade brain tumor tissues, whereas they showed higher protein expression in sera of patients with low-grade brain tumors. miR-23b, miR-21, miR-23a, and let-7a were highly expressed in low-grade brain tumor tissues and positively correlated with the increase in thioredoxin system activity. CONCLUSIONS Our findings showed that Trx-1, TrxR-1, miR-21, miR-23a/b, and let-7a might be used for brain tumor diagnosis in the clinic. Further prospective studies including molecular pathway analyses are required to validate the miRNA/Trx system regulatory axis in brain tumor progression.
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Affiliation(s)
- Nedret Kılıç
- Department of Medical Biochemistry, Faculty of Medicine, Atılım University, Gölbaşı, Ankara, Turkey.
| | - Özge Boyacıoğlu
- Department of Medical Biochemistry, Faculty of Medicine, Atılım University, Gölbaşı, Ankara, Turkey; Department of Bioengineering, Graduate School of Science and Engineering, Hacettepe University, Beytepe, Ankara, Turkey
| | - Gamze Turna Saltoğlu
- Department of Biochemistry, Faculty of Medicine, Kırşehir Ahi Evran University, Bağbaşı, Kırşehir, Turkey
| | - Erkut Baha Bulduk
- Department of Neurosurgery, Faculty of Medicine, Atılım University, Gölbaşı, Ankara, Turkey
| | - Gökhan Kurt
- Department of Neurosurgery, Faculty of Medicine, Gazi University, Beşevler, Ankara, Turkey
| | - Petek Korkusuz
- Department of Histology and Embryology, Faculty of Medicine, Hacettepe University, Sıhhiye, Ankara, Turkey
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Gong G, Tang X, Zhang J, Liang X, Yang J, Li Q. Phenylboronic Acid-Modified Polyamidoamine Mediated the Transfection of Polo-Like Kinase-1 siRNA to Achieve an Anti-Tumor Efficacy. Int J Nanomedicine 2021; 16:8037-8048. [PMID: 34934312 PMCID: PMC8680781 DOI: 10.2147/ijn.s329433] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Accepted: 12/07/2021] [Indexed: 11/23/2022] Open
Abstract
Background The construction of tumor-targeting carriers with favorable transfection efficiency was of great significance to achieve the tumor gene therapy. The phenylboronic acid-modified polyamidoamine (namely PP) was employed as a carrier for the delivery of Polo-like kinase-1 siRNA (siPlk-1), inducing an obvious anti-tumor response. Materials and Methods The interaction between PP and siPlk-1 was evaluated by gel retardation assay. The transfection efficiency and tumor-targeting ability were analyzed by flow cytometry and confocal laser scanning microscopy, using hepatocarcinoma cell line HepG2 as a model. The anti-proliferation effect of PP/siPlk-1 and related mechanism were studied using the strategies of 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay, cell apoptosis and cell cycle arrest. The anti-migration effect induced by PP/siPlk-1 delivery was assayed by wound healing and Transwell migration techniques. Finally, quantitative real-time PCR and Western blotting were performed to measure the expression level of Plk-1 and other key targets. Results The derivative PP could achieve the condensation of siPlk-1 into stable nanoparticles at nitrogen/phosphate groups ratio (N/P ratio) of >3.0, and it could facilitate the transfection of siPk-1 in a phenylboronic acid-dependent manner. The PP/siPlk-1 nanoparticles exhibited obvious anti-proliferation effect owing to the gene silence of Plk-1, which was identified to be associated with the cell apoptosis and cell cycle arrest at G2 phase. Meanwhile, PP/siPlk-1 transfection could efficiently suppress the migration and invasion of tumor cells. Conclusion The derivative PP has been demonstrated to be an ideal tumor-targeting carrier for the delivery of Plk-1 siRNA, exhibiting great potential in the gene therapy of malignant tumors.
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Affiliation(s)
- Gu Gong
- Department of Orthopaedic Surgery, China-Japan Union Hospital, Jilin University, Changchun, 130031, People's Republic of China
| | - Xiuhui Tang
- Key Laboratory for Molecular Enzymology and Engineering of Ministry of Education, School of Life Sciences, Jilin University, Changchun, 130012, People's Republic of China
| | - Jiayuan Zhang
- Key Laboratory for Molecular Enzymology and Engineering of Ministry of Education, School of Life Sciences, Jilin University, Changchun, 130012, People's Republic of China
| | - Xiao Liang
- Key Laboratory for Molecular Enzymology and Engineering of Ministry of Education, School of Life Sciences, Jilin University, Changchun, 130012, People's Republic of China
| | - Jiebing Yang
- Key Laboratory for Molecular Enzymology and Engineering of Ministry of Education, School of Life Sciences, Jilin University, Changchun, 130012, People's Republic of China
| | - Quanshun Li
- Key Laboratory for Molecular Enzymology and Engineering of Ministry of Education, School of Life Sciences, Jilin University, Changchun, 130012, People's Republic of China
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Li J, Yan Y, Ang L, Li X, Liu C, Sun B, Lin X, Peng Z, Zhang X, Zhang Q, Wu H, Zhao M, Su C. Extracellular vesicles-derived OncomiRs mediate communication between cancer cells and cancer-associated hepatic stellate cells in hepatocellular carcinoma microenvironment. Carcinogenesis 2020; 41:223-234. [PMID: 31140556 DOI: 10.1093/carcin/bgz096] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2019] [Revised: 05/08/2019] [Accepted: 05/28/2019] [Indexed: 01/10/2023] Open
Abstract
Tumor microenvironment (TME) is a critical determinant for hepatocellular carcinoma (HCC). Hepatic stellate cells (HSCs) are main interstitial cells in TME and play a vital role in early intrahepatic invasion and metastasis of HCC. The potential mechanism on the interactions between HSCs and HCC cells remains unclear. In this study, the effects of extracellular vesicles (EVs)-derived OncomiRs that mediate communication between HCC cells and cancer-associated hepatic stellate cells (caHSCs) and remold TME were investigated. The results found that the HCC cells-released EVs contained more various OncomiRs, which could activate HSCs (LX2 cells) and transform them to caHSCs, the caHSCs in turn exerted promotion effects on HCC cells through HSCs-released EVs. To further simulate the effects of OncomiRs in EVs on construction of pro-metastatic TME, a group of OncomiRs, miR-21, miR-221 and miR-151 was transfected into HCC cells and LX2 cells. These microRNAs in the EVs from OncomiRs-enhanced cells were demonstrated to have oncogenic effects on HCC cells by upregulating the activities of protein kinase B (AKT)/extracellular signal-regulated kinase (ERK) signal pathways. Equivalent results were also found in HCC xenografted tumor models. The findings suggested that the OncomiR secretion and transference by cancer cells-released EVs can mediate the communication between HCC cells and HSCs. HCC cells and caHSCs, as well as their secreted EVs, jointly construct a pro-metastatic TME suitable for invasion and metastasis of cancer cells, all these TME components form a positive feedback loop to promote HCC progression and metastasis.
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Affiliation(s)
- Jiang Li
- Department of Molecular Oncology, Eastern Hepatobiliary Surgical Hospital and National Center for Liver Cancer, Second Military Medical University, Shanghai, China
| | - Yan Yan
- Department of Molecular Oncology, Eastern Hepatobiliary Surgical Hospital and National Center for Liver Cancer, Second Military Medical University, Shanghai, China
| | - Lin Ang
- Department of Pathology, The Second People's Hospital of Hefei, Hefei, Anhui Province, China
| | - Xiaoya Li
- Department of Molecular Oncology, Eastern Hepatobiliary Surgical Hospital and National Center for Liver Cancer, Second Military Medical University, Shanghai, China
| | - Chunying Liu
- Department of Molecular Oncology, Eastern Hepatobiliary Surgical Hospital and National Center for Liver Cancer, Second Military Medical University, Shanghai, China
| | - Bin Sun
- Department of Molecular Oncology, Eastern Hepatobiliary Surgical Hospital and National Center for Liver Cancer, Second Military Medical University, Shanghai, China
| | - Xuejing Lin
- Department of Molecular Oncology, Eastern Hepatobiliary Surgical Hospital and National Center for Liver Cancer, Second Military Medical University, Shanghai, China
| | - Zhangxiao Peng
- Department of Molecular Oncology, Eastern Hepatobiliary Surgical Hospital and National Center for Liver Cancer, Second Military Medical University, Shanghai, China
| | - Xiaofeng Zhang
- Department of Molecular Oncology, Eastern Hepatobiliary Surgical Hospital and National Center for Liver Cancer, Second Military Medical University, Shanghai, China
| | - Qin Zhang
- Department of Molecular Oncology, Eastern Hepatobiliary Surgical Hospital and National Center for Liver Cancer, Second Military Medical University, Shanghai, China
| | - Hongping Wu
- Department of Molecular Oncology, Eastern Hepatobiliary Surgical Hospital and National Center for Liver Cancer, Second Military Medical University, Shanghai, China
| | - Min Zhao
- Department of Pathology, The Second People's Hospital of Hefei, Hefei, Anhui Province, China
| | - Changqing Su
- Department of Molecular Oncology, Eastern Hepatobiliary Surgical Hospital and National Center for Liver Cancer, Second Military Medical University, Shanghai, China
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Sun N, Zhang L, Zhang C, Yuan Y. miR-144-3p inhibits cell proliferation of colorectal cancer cells by targeting BCL6 via inhibition of Wnt/β-catenin signaling. Cell Mol Biol Lett 2020; 25:19. [PMID: 32206063 PMCID: PMC7079415 DOI: 10.1186/s11658-020-00210-3] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2018] [Accepted: 12/04/2018] [Indexed: 12/11/2022] Open
Abstract
Background It has been shown that miR-144-3p regulates cell proliferation, apoptosis, migration and invasion in various cancers. However, the function and expression of miR-144-3p in colorectal cancer (CRC) remained obscure. Methods Immunohistochemical (IHC) staining was performed to investigate the protein expression of BCL6 in CRC tissues. The effect of BCL6 and miR-144-3p on CRC cells was explored through methylthiazolyl tetrazolium (MTT) assay, colony formation and cell cycle assays. Luciferase reporter assays, reverse transcription quantitative polymerase chain reaction (RT-qPCR) and Western blot assay were carried out to determine that BCL6 is directly regulated by miR-144-3p. Results Our results showed that miR-144-3p is down-regulated in CRC and correlates with the tumor progression of CRC patients. miR-144-3p inhibits cell proliferation and delays G1/S phase transition of CRC cells. Moreover, we found that BCL6 is a new target of miR-144-3p. Furthermore, BCL6 is a mediator of miR-144-3p repression of cell proliferation and cell cycle arrest in CRC cells. miR-144-3p repression of Wnt/β-catenin signaling is mediated by BCL6 in CRC cells. Conclusions Overall, the effect of the miR-144-3p/BCL6 axis on regulating CRC carcinogenesis was demonstrated, and miR-144-3p was identified as a potential prognostic and therapeutic target in colorectal cancer.
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Affiliation(s)
- Naihui Sun
- Department of Surgery, Ninghe Hospital, Tianjin, 301500 China
| | - Liang Zhang
- Department of Surgery, Ninghe Hospital, Tianjin, 301500 China
| | | | - Yuan Yuan
- 2Department of Retired Office, North China University of Science and Technology, No. 46, Xinhuaxi road, Tangshan, 063000 Hebei China
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miR-145-5p suppresses proliferation, metastasis and EMT of colorectal cancer by targeting CDCA3. Pathol Res Pract 2020; 216:152872. [PMID: 32107086 DOI: 10.1016/j.prp.2020.152872] [Citation(s) in RCA: 51] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/14/2019] [Revised: 01/15/2020] [Accepted: 02/11/2020] [Indexed: 02/07/2023]
Abstract
MicroRNAs play a critical role in regulating the carcinogenesis of colorectal cancer (CRC). Even though its role is unclear in CRC, miR-145-5p has been reported to have anti-oncogene properties in several tumors. Our research examined the function of miR-145-5p in CRC and the potential underlying mechanism. From the bioinformatics and qRT-PCR analysis, miR-145-5p levels were lower in CRC samples and cell lines. LoVo and SW480 cells were treated with miR-145-5p mimics and inhibitor, respectively. Cell cycle, CCK-8 and EdU assays revealed that overexpression of miR-145-5p suppressed cell viability and G1/S phase transition. Conversely, miR-145-5p inhibitor promoted cell growth and cell cycle transition. Elevated miR-145-5p expression also suppressed the migration, invasion and EMT of CRC cells, while miR-145-5p reduction had a reverse effect. CDCA3 was identified as a downstream effector of miR-145-5p and had a negative correlation with the miR-145-5p expression in CRC. In addition, co-transfection of miR-145-5p inhibitor and si-CDCA3 showed that CDCA3 in SW480 cells could reverse the effect caused by miR-145-5p. In conclusion, our findings demonstrated that miR-145-5p could act as a tumor suppressor in CRC by targeting CDCA3, and serve as a diagnostic and therapeutic biomarker of CRC.
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Plum PS, Warnecke-Eberz U, Drebber U, Chon SH, Alakus H, Hölscher AH, Quaas A, Bruns CJ, Gockel I, Lorenz D, Metzger R, Bollschweiler E. Upregulation of miR-17-92 cluster is associated with progression and lymph node metastasis in oesophageal adenocarcinoma. Sci Rep 2019; 9:12113. [PMID: 31431687 PMCID: PMC6702344 DOI: 10.1038/s41598-019-48624-0] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2019] [Accepted: 08/08/2019] [Indexed: 12/19/2022] Open
Abstract
The occurrence of lymph node metastasis (LNM) and depth of tumour infiltration are significant prognostic factors in oesophageal adenocarcinoma (OAC), however no reliable prognostic biomarkers have been established so far. Aim of this study was to characterize microRNAs (miRs) of OAC patients, who primarily underwent oesophagectomy, in order to identify specific alterations during tumour progression and LNM. MicroRNA array-based quantification analysis of 754 miRs, including tumour specimens of 12 patients with pT2 OAC from three different centres (detection group), was performed. We identified miR-17, miR-19a/b, miR-20a, and miR-106a, showing the best predictive power for LNM. These miRs were validated by quantitative real time-PCR (qRT-PCR) in 43 patients with different tumour stages (pT1: n = 21; pT2: n = 12 and pT3: n = 10) (training group) (p < 0.05), demonstrating that increasing levels of identified miRs were associated with advanced depth of tumour infiltration. These findings were verified in another independent group of 46 pT2 OAC patients (validation group). Quantitative RT-PCR analysis of the miR-panel confirmed these results except for miR-19a (p < 0.05 each). Logistic regression analysis identified miR-17 and miR-20a (p = 0.025 and p = 0.022, respectively) to be independent variables for prediction of LNM. The mathematical prediction model was used in the validation group, and the estimated prognosis was compared to the actual postsurgical follow-up. This comprehensive data demonstrated the importance of miR-17-92 cluster and miR-106a for progression as well as LNM in OAC indicating that those might be feasible prognostic biomarkers.
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Affiliation(s)
- Patrick Sven Plum
- Department of General, Visceral and Cancer Surgery, University of Cologne, Faculty of Medicine and University Hospital Cologne, Kerpener Straße 62, D-50937, Cologne, Germany.
| | - Ute Warnecke-Eberz
- Department of General, Visceral and Cancer Surgery, University of Cologne, Faculty of Medicine and University Hospital Cologne, Kerpener Straße 62, D-50937, Cologne, Germany
| | - Uta Drebber
- Institute of Pathology, University of Cologne, Faculty of Medicine and University Hospital Cologne, Kerpener Straße 62, D-50937, Cologne, Germany
| | - Seung-Hun Chon
- Department of General, Visceral and Cancer Surgery, University of Cologne, Faculty of Medicine and University Hospital Cologne, Kerpener Straße 62, D-50937, Cologne, Germany
| | - Hakan Alakus
- Department of General, Visceral and Cancer Surgery, University of Cologne, Faculty of Medicine and University Hospital Cologne, Kerpener Straße 62, D-50937, Cologne, Germany
| | - Arnulf Heinrich Hölscher
- Center for Oesophageal and Gastric Surgery, AGAPLESION Markus Krankenhaus, Wilhelm-Epstein-Straße 4, D-60431, Frankfurt am Main, Germany
| | - Alexander Quaas
- Institute of Pathology, University of Cologne, Faculty of Medicine and University Hospital Cologne, Kerpener Straße 62, D-50937, Cologne, Germany
| | - Christiane Josephine Bruns
- Department of General, Visceral and Cancer Surgery, University of Cologne, Faculty of Medicine and University Hospital Cologne, Kerpener Straße 62, D-50937, Cologne, Germany
| | - Ines Gockel
- Department of Visceral, Transplant, Thoracic and Vascular Surgery, University Medical Center Leipzig, Liebigstraße 20, D- 04103, Leipzig, Germany
| | - Dietmar Lorenz
- Department of General, Visceral and Thoracic Surgery, Klinikum Darmstadt GmbH, Grafenstraße 9, D-64283, Darmstadt, Germany
| | - Ralf Metzger
- Department of General, Visceral, Thoracic and Cancer Surgery, CaritasKlinikum Saarbrücken, Rheinstraße 2, D-66113, Saarbrücken, Germany
| | - Elfriede Bollschweiler
- Department of General, Visceral and Cancer Surgery, University of Cologne, Faculty of Medicine and University Hospital Cologne, Kerpener Straße 62, D-50937, Cologne, Germany
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Tian Q, Sun HF, Wang WJ, Li Q, Ding J, Di W. miRNA-365b promotes hepatocellular carcinoma cell migration and invasion by downregulating SGTB. Future Oncol 2019; 15:2019-2028. [PMID: 30943053 DOI: 10.2217/fon-2018-0676] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
Aim: miR-365b, a miRNA at chromosomal breakpoint, was often amplified and upregulated in human hepatocellular carcinoma (HCC). However, the role of miR-365b dysregulation remains unclear. Materials & methods: miR-365b function assays and its target gene analyses were performed. Results: We revealed that miR-365b promoted HCC cell motility and spreading. Furthermore, SGTB was found to be a downstream target of miR-365b, and knockdown of the SGTB gene could mimic the effect of miR-365b in hastening HCC cell migration and invasion. Conclusion: These results imply that miR-365b plays a tumor-promoting role in HCC by suppressing SGTB expression, offering novel potential targets for the treatment of HCC.
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Affiliation(s)
- Qi Tian
- Department of Obstetrics & Gynecology, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, PR China
- Shanghai Key Laboratory of Gynecologic Oncology, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, PR China
| | - He-Fen Sun
- Department of Breast Surgery, Key Laboratory of Breast Cancer in Shanghai, Fudan University Shanghai Cancer Center, Shanghai, 200030, PR China
| | - Wen-Jing Wang
- Department of Obstetrics & Gynecology, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, PR China
- Shanghai Key Laboratory of Gynecologic Oncology, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, PR China
| | - Qing Li
- Department of Obstetrics & Gynecology, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, PR China
- Shanghai Key Laboratory of Gynecologic Oncology, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, PR China
| | - Jie Ding
- Fudan University Shanghai Cancer Center & Institutes of Biomedical Sciences, Shanghai Medical College, Fudan University, Shanghai, 200032, PR China
| | - Wen Di
- Department of Obstetrics & Gynecology, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, PR China
- Shanghai Key Laboratory of Gynecologic Oncology, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, PR China
- State Key Laboratory of Oncogenes & Related Genes, Shanghai Cancer Institute, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200032, PR China
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Gajos-Michniewicz A, Czyz M. Role of miRNAs in Melanoma Metastasis. Cancers (Basel) 2019; 11:E326. [PMID: 30866509 PMCID: PMC6468614 DOI: 10.3390/cancers11030326] [Citation(s) in RCA: 65] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Revised: 02/28/2019] [Accepted: 03/02/2019] [Indexed: 12/16/2022] Open
Abstract
Tumour metastasis is a multistep process. Melanoma is a highly aggressive cancer and metastasis accounts for the majority of patient deaths. microRNAs (miRNAs) are non-coding RNAs that affect the expression of their target genes. When aberrantly expressed they contribute to the development of melanoma. While miRNAs can act locally in the cell where they are synthesized, they can also influence the phenotype of neighboring melanoma cells or execute their function in the direct tumour microenvironment by modulating ECM (extracellular matrix) and the activity of fibroblasts, endothelial cells, and immune cells. miRNAs are involved in all stages of melanoma metastasis, including intravasation into the lumina of vessels, survival during circulation in cardiovascular or lymphatic systems, extravasation, and formation of the pre-metastatic niche in distant organs. miRNAs contribute to metabolic alterations that provide a selective advantage during melanoma progression. They play an important role in the development of drug resistance, including resistance to targeted therapies and immunotherapies. Distinct profiles of miRNA expression are detected at each step of melanoma development. Since miRNAs can be detected in liquid biopsies, they are considered biomarkers of early disease stages or response to treatment. This review summarizes recent findings regarding the role of miRNAs in melanoma metastasis.
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Affiliation(s)
- Anna Gajos-Michniewicz
- Department of Molecular Biology of Cancer, Medical University of Lodz, 6/8 Mazowiecka Street, 92-215 Lodz, Poland.
| | - Malgorzata Czyz
- Department of Molecular Biology of Cancer, Medical University of Lodz, 6/8 Mazowiecka Street, 92-215 Lodz, Poland.
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12
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Xing B, Li QJ, Li H, Chen SS, Cui ZY, Ma J, Zhang ZW. miR-140-5p aggravates hypoxia-induced cell injury via regulating MLK3 in H9c2 cells. Biomed Pharmacother 2018; 103:1652-1657. [PMID: 29864954 DOI: 10.1016/j.biopha.2018.04.062] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2018] [Revised: 04/08/2018] [Accepted: 04/09/2018] [Indexed: 12/29/2022] Open
Abstract
Myocardial infarction (MI) is an important cause of cardiovascular disease. microRNAs (miRNAs) have been indicated as pivotal regulators in the physiological and pathological processes of heart diseases. The purpose of this study was to investigate the role of miR-140-5p in hypoxia-induced cell injury in H9c2 cells and its underlying mechanism. H9c2 cells were subjected to hypoxia, before which the expression levels of miR-140-5p and MLK3 were overexpressed or knocked down through transient transfection. The efficiency of transfection was verified by qRT-PCR and Western blotting. Cell viability, apoptotic cell rate, and the expression changes of apoptosis-related proteins were determined by trypan blue exclusion, flow cytometry, and Western blotting, respectively. Furthermore, Western blotting was performed to assess the expression levels of core factors related with p38MAPK and JNK signaling pathways. As a result, hypoxia significantly reduced cell viability and increased cell apoptosis in H9c2 cells. miR-140-5p inhibition attenuated cell injury induced by hypoxia in H9c2 cells, while miR-140-5p overexpression expedited the cell injury, as evidenced by the decreased cell viability and enhanced cell apoptosis. Moreover, miR-140-5p promoted the activation of p38MAPK and JNK pathways. miR-140-5p positively modulated the expression of MLK3. ML3 overexpression reversed the regulatory effects of miR-140-5p inhibition on hypoxia-injured H9c2 cells. In conclusion, this study demonstrated that miR-140-5p aggravated hypoxia-induced cell injury partially through up-regulation of MLK3.
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Affiliation(s)
- Bing Xing
- Department of Cardiology, Jining No. 1 People's Hospital, Jining, Shandong 272011, China
| | - Qiao-Ju Li
- Department of Painless Endoscopy, Jining No. 1 People's Hospital, Jining, Shandong 272011, China
| | - Hu Li
- Department of Cardiology, Jining No. 1 People's Hospital, Jining, Shandong 272011, China
| | - Sha-Sha Chen
- Department of Cardiology, Jining No. 1 People's Hospital, Jining, Shandong 272011, China
| | - Zhi-Yuan Cui
- Department of Cardiology, Jining No. 1 People's Hospital, Jining, Shandong 272011, China
| | - Jie Ma
- Department of Cardiology, Jining No. 1 People's Hospital, Jining, Shandong 272011, China
| | - Zai-Wei Zhang
- Department of Cardiology, Jining No. 1 People's Hospital, Jining, Shandong 272011, China.
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13
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Involvement of anti-tumor miR-124-3p and its targets in the pathogenesis of pancreatic ductal adenocarcinoma: direct regulation of ITGA3 and ITGB1 by miR-124-3p. Oncotarget 2018; 9:28849-28865. [PMID: 29988949 PMCID: PMC6034741 DOI: 10.18632/oncotarget.25599] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2018] [Accepted: 05/24/2018] [Indexed: 01/02/2023] Open
Abstract
MicroRNAs (miRNAs) are unique in that a single miRNA molecule regulates a vast number of RNA transcripts. Thus, aberrantly expressed miRNAs disrupt tightly controlled RNA networks in cancer cells. Our functional screening showed that expression of miR-124-3p was downregulated in pancreatic ductal adenocarcinoma (PDAC) tissues. Here, we aimed to investigate the anti-tumor roles of miR-124-3p in PDAC cells and to identify miR-124-3p-mediated oncogenic signaling in this disease. Ectopic expression of miR-124-3p inhibited cancer cell migration and invasion in PDAC cells. Moreover, restoration of miR-124-3p suppressed oncogenic signaling, as demonstrated by reduced phosphorylation of focal adhesion kinase, AKT, and extracellular signal-regulated kinase, in PDAC cells. Our in silico database analyses and luciferase reporter assays showed that two cell-surface matrix receptors, integrin α3 (ITGA3) and integrin β1 (ITGB1), were directly regulated by miR-124-3p in PDAC cells. Overexpression of ITGA3 and ITGB1 was confirmed in PDAC clinical specimens. Interestingly, a large number of cohort analyses from TCGA database showed that high expressions of ITGA3 and ITGB1 were significantly associated with poor prognosis of patients with PDAC. Knockdown of ITGA3 and ITGB1 by siRNAs markedly suppressed the migration and invasion abilities of PDAC cells. Moreover, downstream oncogenic signaling was inhibited by ectopic expression of miR-124-3p or knockdown of the two integrins. The discovery of anti-tumor miRNAs and miRNA-mediated oncogenic signaling may provide novel therapeutic targets for the treatment of PDAC.
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14
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Lu J, Lin Y, Li F, Ye H, Zhou R, Jin Y, Li B, Xiong X, Cheng N. MiR-205 suppresses tumor growth, invasion, and epithelial-mesenchymal transition by targeting SEMA4C in hepatocellular carcinoma. FASEB J 2018; 32:fj201800113R. [PMID: 29799789 DOI: 10.1096/fj.201800113r] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Growing evidence indicates that microRNAs are involved in tumorigenesis and progression of hepatocellular carcinoma (HCC). However, the functional mechanisms of miR-205 in HCC remain largely unknown. Here, we demonstrate that miR-205 expression was significantly down-regulated in HCC tissues and cell lines and was correlated with metastatic pathologic features and shorter disease-free and overall survival. Overexpression of miR-205 dramatically inhibited HCC cell proliferation, apoptosis, migration, invasion, epithelial-mesenchymal transition (EMT) in vitro, and tumor growth in vivo. We subsequently identified semaphorin 4C (SEMA4C) as a novel target of miR-205. Furthermore, high expression levels of SEMA4C were frequently found in HCC tissues and were associated with poor prognosis. Ectopic expression of SEMA4C restored the suppressive effect of overexpressed miR-205 on migration, invasion, and EMT. Taken together, our findings provide new insight into the critical role of miR-205 in regulating tumor growth, invasion, and EMT of HCC, suggesting miR-205 may serve as a promising therapeutic target and novel prognostic indicator for patients with HCC.-Lu, J., Lin, Y., Li, F., Ye, H., Zhou, R., Jin, Y., Li, B., Xiong, X., Cheng, N. MiR-205 suppresses tumor growth, invasion and epithelial-mesenchymal transition by targeting SEMA4C in hepatocellular carcinoma.
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Affiliation(s)
- Jiong Lu
- Department of Bile Duct Surgery, West China Hospital, Sichuan University, Chengdu, China
| | - Yixin Lin
- Department of Bile Duct Surgery, West China Hospital, Sichuan University, Chengdu, China
| | - Fuyu Li
- Department of Bile Duct Surgery, West China Hospital, Sichuan University, Chengdu, China
| | - Hui Ye
- Department of Bile Duct Surgery, West China Hospital, Sichuan University, Chengdu, China
| | - Rongxing Zhou
- Department of Bile Duct Surgery, West China Hospital, Sichuan University, Chengdu, China
| | - Yanwen Jin
- Department of Bile Duct Surgery, West China Hospital, Sichuan University, Chengdu, China
| | - Bei Li
- Department of Bile Duct Surgery, West China Hospital, Sichuan University, Chengdu, China
| | - Xianze Xiong
- Department of Bile Duct Surgery, West China Hospital, Sichuan University, Chengdu, China
| | - Nansheng Cheng
- Department of Bile Duct Surgery, West China Hospital, Sichuan University, Chengdu, China
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15
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Su Y, Sun B, Lin X, Zhao X, Ji W, He M, Qian H, Song X, Yang J, Wang J, Chen J. Therapeutic strategy with artificially-designed i-lncRNA targeting multiple oncogenic microRNAs exhibits effective antitumor activity in diffuse large B-cell lymphoma. Oncotarget 2018; 7:49143-49155. [PMID: 27172795 PMCID: PMC5226497 DOI: 10.18632/oncotarget.9237] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2015] [Accepted: 04/18/2016] [Indexed: 12/13/2022] Open
Abstract
In diffuse large B-cell lymphoma (DLBCL), many oncogenic microRNAs (OncomiRs) are highly expressed to promote disease development and progression by inhibiting the expression and function of certain tumor suppressor genes, and these OncomiRs comprise a promising new class of molecular targets for the treatment of DLBCL. However, most current therapeutic studies have focused on a single miRNA, with limited treatment outcomes. In this study, we generated tandem sequences of 10 copies of the complementary binding sequences to 13 OncomiRs and synthesized an interfering long non-coding RNA (i-lncRNA). The highly-expressed i-lncRNA in DLBCL cells would compete with the corresponding mRNAs of OncomiR target genes for binding OncomiRs, thereby effectively consuming a large amount of OncomiRs and protecting many tumor suppressor genes. The in vitro experiments confirmed that the i-lncRNA expression significantly inhibited cell proliferation, induced cell cycle arrest and apoptosis in DLBCL cell lines, mainly through upregulating the expression of PTEN, p27kip1, TIMP3, RECK and downregulating the expression of p38/MAPK, survivin, CDK4, c-myc. In the established SUDHL-4 xenografts in nude mice, the treatment strategy involving adenovirus-mediated i-lncRNA expression significantly inhibited the growth of DLBCL xenografts. Therefore, this treatment would specifically target the carcinogenic effects of many OncomiRs that are usually expressed in DLBCL and not in normal cells, such a strategy could improve anti-tumor efficacy and safety and may be a good prospect for clinical applications.
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Affiliation(s)
- Yinghan Su
- School of Life Science, University of Liverpool, Liverpool, L3 4PH, UK.,Department of Molecular Oncology, Eastern Hepatobiliary Surgical Hospital & National Center of Liver Cancer, Second Military Medical University, Shanghai 200438, China
| | - Bin Sun
- Department of Molecular Oncology, Eastern Hepatobiliary Surgical Hospital & National Center of Liver Cancer, Second Military Medical University, Shanghai 200438, China
| | - Xuejing Lin
- Department of Molecular Oncology, Eastern Hepatobiliary Surgical Hospital & National Center of Liver Cancer, Second Military Medical University, Shanghai 200438, China
| | - Xinying Zhao
- Department of Hematology & Pathology, Changhai Hospital, Second Military Medical University, Shanghai 200168, China
| | - Weidan Ji
- Department of Molecular Oncology, Eastern Hepatobiliary Surgical Hospital & National Center of Liver Cancer, Second Military Medical University, Shanghai 200438, China
| | - Miaoxia He
- Department of Hematology & Pathology, Changhai Hospital, Second Military Medical University, Shanghai 200168, China
| | - Haihua Qian
- Department of Molecular Oncology, Eastern Hepatobiliary Surgical Hospital & National Center of Liver Cancer, Second Military Medical University, Shanghai 200438, China
| | - Xianmin Song
- Department of Hematology & Pathology, Changhai Hospital, Second Military Medical University, Shanghai 200168, China
| | - Jianmin Yang
- Department of Hematology & Pathology, Changhai Hospital, Second Military Medical University, Shanghai 200168, China
| | - Jianmin Wang
- Department of Hematology & Pathology, Changhai Hospital, Second Military Medical University, Shanghai 200168, China
| | - Jie Chen
- Department of Hematology & Pathology, Changhai Hospital, Second Military Medical University, Shanghai 200168, China
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Mansoori B, Mohammadi A, Shirjang S, Baradaran B. MicroRNAs in the Diagnosis and Treatment of Cancer. Immunol Invest 2017; 46:880-897. [DOI: 10.1080/08820139.2017.1377407] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Behzad Mansoori
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Ali Mohammadi
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Solmaz Shirjang
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Behzad Baradaran
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
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17
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Idichi T, Seki N, Kurahara H, Yonemori K, Osako Y, Arai T, Okato A, Kita Y, Arigami T, Mataki Y, Kijima Y, Maemura K, Natsugoe S. Regulation of actin-binding protein ANLN by antitumor miR-217 inhibits cancer cell aggressiveness in pancreatic ductal adenocarcinoma. Oncotarget 2017; 8:53180-53193. [PMID: 28881803 PMCID: PMC5581102 DOI: 10.18632/oncotarget.18261] [Citation(s) in RCA: 59] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2017] [Accepted: 05/08/2017] [Indexed: 01/05/2023] Open
Abstract
Analysis of our microRNA (miRNA) expression signature of pancreatic ductal adenocarcinoma (PDAC) revealed that microRNA-217 (miR-217) was significantly reduced in cancer tissues. The aim of this study was to investigate the antitumor roles of miR-217 in PDAC cells and to identify miR-217-mediated molecular pathways involved in PDAC aggressiveness. The expression levels of miR-217 were significantly reduced in PDAC clinical specimens. Ectopic expression of miR-217 significantly suppressed cancer cell migration and invasion. Transcription of actin-binding protein Anillin (coded by ANLN) was detected by our in silico and gene expression analyses. Moreover, luciferase reporter assays showed that ANLN was a direct target of miR-217 in PDAC cells. Overexpression of ANLN was detected in PDAC clinical specimens by real-time PCR methods and immunohistochemistry. Interestingly, Kaplan-Meier survival curves showed that high expression of ANLN predicted shorter survival in patients with PDAC by TCGA database analysis. Silencing ANLN expression markedly inhibited cancer cell migration and invasion capabilities of PDAC cell lines. We further investigated ANLN-mediated downstream pathways in PDAC cells. "Focal adhesion" and "Regulation of actin binding protein" were identified as ANLN-modulated downstream pathways in PDAC cells. Identification of antitumor miR-217/ANLN-mediated PDAC pathways will provide new insights into the potential mechanisms underlying the aggressive course of PDAC.
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Affiliation(s)
- Tetsuya Idichi
- Department of Digestive Surgery, Breast and Thyroid Surgery, Graduate School of Medical Sciences, Kagoshima University, Kagoshima, Japan
| | - Naohiko Seki
- Department of Functional Genomics, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Hiroshi Kurahara
- Department of Digestive Surgery, Breast and Thyroid Surgery, Graduate School of Medical Sciences, Kagoshima University, Kagoshima, Japan
| | - Keiichi Yonemori
- Department of Digestive Surgery, Breast and Thyroid Surgery, Graduate School of Medical Sciences, Kagoshima University, Kagoshima, Japan
| | - Yusaku Osako
- Department of Digestive Surgery, Breast and Thyroid Surgery, Graduate School of Medical Sciences, Kagoshima University, Kagoshima, Japan
| | - Takayuki Arai
- Department of Functional Genomics, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Atsushi Okato
- Department of Functional Genomics, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Yoshiaki Kita
- Department of Digestive Surgery, Breast and Thyroid Surgery, Graduate School of Medical Sciences, Kagoshima University, Kagoshima, Japan
| | - Takaaki Arigami
- Department of Digestive Surgery, Breast and Thyroid Surgery, Graduate School of Medical Sciences, Kagoshima University, Kagoshima, Japan
| | - Yuko Mataki
- Department of Digestive Surgery, Breast and Thyroid Surgery, Graduate School of Medical Sciences, Kagoshima University, Kagoshima, Japan
| | - Yuko Kijima
- Department of Digestive Surgery, Breast and Thyroid Surgery, Graduate School of Medical Sciences, Kagoshima University, Kagoshima, Japan
| | - Kosei Maemura
- Department of Digestive Surgery, Breast and Thyroid Surgery, Graduate School of Medical Sciences, Kagoshima University, Kagoshima, Japan
| | - Shoji Natsugoe
- Department of Digestive Surgery, Breast and Thyroid Surgery, Graduate School of Medical Sciences, Kagoshima University, Kagoshima, Japan
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18
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Hepatitis B Virus-Encoded MicroRNA Controls Viral Replication. J Virol 2017; 91:JVI.01919-16. [PMID: 28148795 DOI: 10.1128/jvi.01919-16] [Citation(s) in RCA: 71] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2016] [Accepted: 01/23/2017] [Indexed: 12/13/2022] Open
Abstract
MicroRNAs (miRNAs) are a class of small, single-stranded, noncoding, functional RNAs. Hepatitis B virus (HBV) is an enveloped DNA virus with virions and subviral forms of particles that lack a core. It was not known whether HBV encodes miRNAs. Here, we identified an HBV-encoded miRNA (called HBV-miR-3) by deep sequencing and Northern blotting. HBV-miR-3 is located at nucleotides (nt) 373 to 393 of the HBV genome and was generated from 3.5-kb, 2.4-kb, and 2.1-kb HBV in a classic miRNA biogenesis (Drosha-Dicer-dependent) manner. HBV-miR-3 was highly expressed in hepatoma cell lines with an integrated HBV genome and HBV+ hepatoma tumors. In patients with HBV infection, HBV-miR-3 was released into the circulation by exosomes and HBV virions, and HBV-miR-3 expression had a positive correlation with HBV titers in the sera of patients in the acute phase of HBV infection. More interestingly, we found that HBV-miR-3 represses HBsAg, HBeAg, and replication of HBV. HBV-miR-3 targets the unique site of the HBV 3.5-kb transcript to specifically reduce HBc protein expression, levels of pregenomic RNA (pgRNA), and HBV replication intermediate (HBV-RI) generation but does not affect the HBV DNA polymerase level, thus suppressing HBV virion production (replication). This may explain the low levels of HBV virion generation with abundant subviral particles lacking core during HBV replication, which may contribute to the development of persistent infection in patients. Taken together, our findings shed light on novel mechanisms by which HBV-encoded miRNA controls the process of self-replication by regulating HBV transcript during infection.IMPORTANCE Hepatitis B is a liver infection caused by the hepatitis B virus (HBV) that can become a long-term, chronic infection and lead to cirrhosis or liver cancer. HBV is a small DNA virus that belongs to the hepadnavirus family, with virions and subviral forms of particles that lack a core. MicroRNA (miRNA), a small (∼22-nt) noncoding RNA, was recently found to be an important regulator of gene expression. We found that HBV encodes miRNA (HBV-miR-3). More importantly, we revealed that HBV-miR-3 targets its transcripts to attenuate HBV replication. This may contribute to explaining how HBV infection leads to mild damage in liver cells and the subsequent establishment/maintenance of persistent infection. Our findings highlight a mechanism by which HBV-encoded miRNA controls the process of self-replication by regulating the virus itself during infection and might provide new biomarkers for diagnosis and treatment of hepatitis B.
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Peng F, Xiong L, Tang H, Peng C, Chen J. Regulation of epithelial-mesenchymal transition through microRNAs: clinical and biological significance of microRNAs in breast cancer. Tumour Biol 2016; 37:14463-14477. [DOI: 10.1007/s13277-016-5334-1] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2016] [Accepted: 09/06/2016] [Indexed: 12/16/2022] Open
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20
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Shen Z, Zhou C, Li J, Ye D, Li Q, Wang J, Cui X, Chen X, Bao T, Duan S. Promoter hypermethylation of miR-34a contributes to the risk, progression, metastasis and poor survival of laryngeal squamous cell carcinoma. Gene 2016; 593:272-6. [PMID: 27450916 DOI: 10.1016/j.gene.2016.07.047] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2016] [Revised: 07/15/2016] [Accepted: 07/19/2016] [Indexed: 12/12/2022]
Abstract
MiR-34a is a direct transcriptional target of p53, which induces cell cycle arrest, senescence, and apoptosis. Recently, we and others identified abnormal expression of miR-34a in laryngeal squamous cell carcinoma (LSCC). The aim of our present study was to investigate the contribution of miR-34a promoter methylation to LSCC. Bisulfite pyrosequencing technology was applied to measure DNA methylation levels of six CpG sites in the miR-34a promoter from 104 LSCC tumor tissues and their corresponding adjacent tissues. Our results showed that the methylation levels of the miR-34a promoter were significantly higher in cancer tissues compared with the adjacent tissues (adjusted P=5.05E-10). A breakdown analysis for cigarette smoking behavior indicated a significantly elevated tendency of miR-34a methylation level in LSCC patients with smoking behavior but not in LSCC patients without smoking behavior (Smoking: Tumor vs Normal, adjusted P=3.12E-9; Non-smoking: Tumor vs Normal, adjusted P=0.073). In addition, miR-34a promoter methylation frequency remarkably increased in the advanced stage patients (adjusted P=0.003) and advanced T classified tumors (adjusted P=0.015). Moreover, significant association of miR-34a promoter hypermethylation with LSCC lymph metastasis was observed (adjusted P=0.002). Meanwhile, Kaplan-Meier survival curves results showed that high methylation of miR-34a promoter were associated with poor overall survival (log-rank test, P=0.023). Our study revealed that miR-34a promoter hypermethylation was a risk factor for LSCC, played a critical role in the disease progression and metastasis, and could serve as a poor prognostic factor for LSCC.
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Affiliation(s)
- Zhisen Shen
- Lihuili Hospital of Ningbo University, Ningbo 315040, China.
| | - Chongchang Zhou
- Lihuili Hospital of Ningbo University, Ningbo 315040, China; The Medical School of Ningbo University, Ningbo 315211, China
| | - Jinyun Li
- The Medical School of Ningbo University, Ningbo 315211, China
| | - Dong Ye
- Lihuili Hospital of Ningbo University, Ningbo 315040, China
| | - Qun Li
- Lihuili Hospital of Ningbo University, Ningbo 315040, China
| | - Jian Wang
- Lihuili Hospital of Ningbo University, Ningbo 315040, China; The Medical School of Ningbo University, Ningbo 315211, China
| | - Xiang Cui
- Lihuili Hospital of Ningbo University, Ningbo 315040, China; The Medical School of Ningbo University, Ningbo 315211, China
| | - Xiaoying Chen
- The Medical School of Ningbo University, Ningbo 315211, China
| | - Tianlian Bao
- The Medical School of Ningbo University, Ningbo 315211, China
| | - Shiwei Duan
- The Medical School of Ningbo University, Ningbo 315211, China.
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Toraih EA, Fawzy MS, Mohammed EA, Hussein MH, EL-Labban MM. MicroRNA-196a2 Biomarker and Targetome Network Analysis in Solid Tumors. Mol Diagn Ther 2016; 20:559-577. [DOI: 10.1007/s40291-016-0223-2] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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22
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Li X, Su Y, Sun B, Ji W, Peng Z, Xu Y, Wu M, Su C. An Artificially Designed Interfering lncRNA Expressed by Oncolytic Adenovirus Competitively Consumes OncomiRs to Exert Antitumor Efficacy in Hepatocellular Carcinoma. Mol Cancer Ther 2016; 15:1436-51. [PMID: 27196772 DOI: 10.1158/1535-7163.mct-16-0096] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2016] [Accepted: 04/20/2016] [Indexed: 11/16/2022]
Abstract
Endogenous miRNAs, especially oncogenic miRNAs (OncomiR), have been molecular targets for cancer therapy. We generated an artificially designed interfering long noncoding RNA (lncRNAi), which contains the sequences that can complementarily bind to multiple OncomiRs and is expressed by cancer-selectively replicating adenovirus. The adenovirus-expressed lncRNAi with high levels in hepatocellular carcinoma (HCC) cells competes with OncomiR target genes to bind to and consume OncomiRs, thereby achieving the targeted anti-HCC efficacy. With the targeting replication of adenovirus in HCC cells, lncRNAi was highly expressed and resulted in decreased abilities of proliferation, migration, and invasion, induced cell-cycle changes and apoptosis, and markedly changed the cellular mRNA and miRNA expression profiles in HCC cells. The optimal antitumor effect was also demonstrated on HCC cell line xenograft models and HCC patient-derived xenograft (PDX) tumor models in nude mice. This strategy has established a technology platform with a reliable therapeutic effect for HCC therapy. Mol Cancer Ther; 15(7); 1436-51. ©2016 AACR.
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Affiliation(s)
- Xiaoya Li
- Department of Molecular Oncology, Eastern Hepatobiliary Surgical Hospital & National Center for Liver Cancer, Second Military Medical University, Shanghai, China
| | - Yinghan Su
- School of Life Science, University of Liverpool, Liverpool, United Kingdom
| | - Bin Sun
- Department of Molecular Oncology, Eastern Hepatobiliary Surgical Hospital & National Center for Liver Cancer, Second Military Medical University, Shanghai, China
| | - Weidan Ji
- Department of Molecular Oncology, Eastern Hepatobiliary Surgical Hospital & National Center for Liver Cancer, Second Military Medical University, Shanghai, China
| | - Zhangxiao Peng
- Department of Molecular Oncology, Eastern Hepatobiliary Surgical Hospital & National Center for Liver Cancer, Second Military Medical University, Shanghai, China
| | - Yang Xu
- Department of Molecular Oncology, Eastern Hepatobiliary Surgical Hospital & National Center for Liver Cancer, Second Military Medical University, Shanghai, China
| | - Mengchao Wu
- Department of Molecular Oncology, Eastern Hepatobiliary Surgical Hospital & National Center for Liver Cancer, Second Military Medical University, Shanghai, China
| | - Changqing Su
- Department of Molecular Oncology, Eastern Hepatobiliary Surgical Hospital & National Center for Liver Cancer, Second Military Medical University, Shanghai, China. Jiangsu Center for the Collaboration and Innovation of Cancer Biotherapy, Xuzhou Medical College, Xuzhou, China.
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Abstract
Colorectal cancer (CRC) is the second most common cancer in women and the third most common in men globally. CRC arises from one or a combination of chromosomal instability, CpG island methylator phenotype, and microsatellite instability. Genetic instability is usually caused by aneuploidy and loss of heterozygosity. Mutations in the tumor suppressor or cell cycle genes may also lead to cellular transformation. Similarly, epigenetic and/or genetic alterations resulting in impaired cellular pathways, such as DNA repair mechanism, may lead to microsatellite instability and mutator phenotype. Non-coding RNAs, more importantly microRNAs and long non-coding RNAs have also been implicated at various CRC stages. Understanding the specific mechanisms of tumorigenesis and the underlying genetic and epigenetic traits is critical in comprehending the disease phenotype. This paper reviews these mechanisms along with the roles of various non-coding RNAs in CRCs.
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Affiliation(s)
- Kanwal Tariq
- Department of Biological and Biomedical Sciences, Aga Khan University, Karachi 74800, Pakistan
| | - Kulsoom Ghias
- Department of Biological and Biomedical Sciences, Aga Khan University, Karachi 74800, Pakistan
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24
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Abstract
Colorectal cancer (CRC) is the second most common cancer in women and the third most common in men globally. CRC arises from one or a combination of chromosomal instability, CpG island methylator phenotype, and microsatellite instability. Genetic instability is usually caused by aneuploidy and loss of heterozygosity. Mutations in the tumor suppressor or cell cycle genes may also lead to cellular transformation. Similarly, epigenetic and/or genetic alterations resulting in impaired cellular pathways, such as DNA repair mechanism, may lead to microsatellite instability and mutator phenotype. Non-coding RNAs, more importantly microRNAs and long non-coding RNAs have also been implicated at various CRC stages. Understanding the specific mechanisms of tumorigenesis and the underlying genetic and epigenetic traits is critical in comprehending the disease phenotype. This paper reviews these mechanisms along with the roles of various non-coding RNAs in CRCs.
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Affiliation(s)
- Kanwal Tariq
- Department of Biological and Biomedical Sciences, Aga Khan University, Karachi 74800, Pakistan
| | - Kulsoom Ghias
- Department of Biological and Biomedical Sciences, Aga Khan University, Karachi 74800, Pakistan
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25
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Ren Y, Zhou X, Liu X, Jia HH, Zhao XH, Wang QX, Han L, Song X, Zhu ZY, Sun T, Jiao HX, Tian WP, Yang YQ, Zhao XL, Zhang L, Mei M, Kang CS. Reprogramming carcinoma associated fibroblasts by AC1MMYR2 impedes tumor metastasis and improves chemotherapy efficacy. Cancer Lett 2016; 374:96-106. [PMID: 26872723 DOI: 10.1016/j.canlet.2016.02.003] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2015] [Revised: 02/01/2016] [Accepted: 02/01/2016] [Indexed: 12/09/2022]
Abstract
Carcinoma associated fibroblasts (CAFs) produce a nutrient-rich microenvironment to fuel tumor progression and metastasis. Reactive oxygen species (ROS) levels and the inflammation pathway co-operate to transform CAFs. Therefore, elucidating the mechanism mediating the activity of CAFs might identify novel therapies. Abnormal miR-21 expression was reported to be involved in the conversion of resident fibroblasts to CAFs, yet the factor that drives transformation was poorly understood. Here, we reported that high miR-21 expression was strongly associated with lymph node metastasis in breast cancer, and the activation of the miR-21/NF-кB was required for the metastatic promoting effect of CAFs. AC1MMYR2, a small molecule inhibitor of miR-21, attenuated NF-кB activity by directly targeting VHL, thereby blocking the co-precipitation of NF-кB and ß-catenin and nuclear translocation. Taxol failed to constrain the aggressive behavior of cancer cells stimulated by CAFs, whereas AC1MMYR2 plus taxol significantly suppressed tumor migration and invasion ability. Remodeling and depolarization of F-actin, decreased levels of β-catenin and vimentin, and increased E-cadherin were also detected in the combination therapy. Furthermore, reduced levels of FAP-α and α-SMA were observed, suggesting that AC1MMYR2 was competent to reprogram CAFs via the NF-кB/miR-21/VHL axis. Strikingly, a significant reduction of tumor growth and lung metastasis was observed in the combination treated mice. Taken together, our findings identified miR-21 as a critical mediator of metastasis in breast cancer through the tumor environment. AC1MMYR2 may be translated into the clinic and developed as a more personalized and effective neoadjuvant treatment for patients to reduce metastasis and improve the chemotherapy response.
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Affiliation(s)
- Yu Ren
- Research Center of Basic Medical Sciences, Tianjin Medical University, Tianjin 300070, China; Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin 300052, China; Laboratory of Neuro-Oncology, Tianjin Neurological Institute, Tianjin 300052, China
| | - Xuan Zhou
- Department of Head and Neck, Tianjin Cancer Institute and Hospital, Tianjin 300060, China
| | - Xia Liu
- Research Center of Basic Medical Sciences, Tianjin Medical University, Tianjin 300070, China
| | - Huan-Huan Jia
- Research Center of Basic Medical Sciences, Tianjin Medical University, Tianjin 300070, China
| | - Xiao-Hui Zhao
- Department of Obstetrics and Gynecology, Tianjin Medical University General Hospital, Tianjin 300052, China
| | - Qi-Xue Wang
- Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin 300052, China; Laboratory of Neuro-Oncology, Tianjin Neurological Institute, Tianjin 300052, China
| | - Lei Han
- Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin 300052, China; Laboratory of Neuro-Oncology, Tianjin Neurological Institute, Tianjin 300052, China
| | - Xin Song
- Research Center of Basic Medical Sciences, Tianjin Medical University, Tianjin 300070, China
| | - Zhi-Yan Zhu
- Research Center of Basic Medical Sciences, Tianjin Medical University, Tianjin 300070, China
| | - Ting Sun
- Research Center of Basic Medical Sciences, Tianjin Medical University, Tianjin 300070, China
| | - Hong-Xiao Jiao
- Research Center of Basic Medical Sciences, Tianjin Medical University, Tianjin 300070, China
| | - Wei-Ping Tian
- Research Center of Basic Medical Sciences, Tianjin Medical University, Tianjin 300070, China
| | - Yu-Qi Yang
- Department of Pharmacy, Tianjin Medical University, Tianjin 300070, China
| | - Xiu-Lan Zhao
- Department of Pathology, Tianjin Medical University, Tianjin 300070, China
| | - Lun Zhang
- Department of Head and Neck, Tianjin Cancer Institute and Hospital, Tianjin 300060, China
| | - Mei Mei
- Research Center of Basic Medical Sciences, Tianjin Medical University, Tianjin 300070, China.
| | - Chun-Sheng Kang
- Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin 300052, China; Laboratory of Neuro-Oncology, Tianjin Neurological Institute, Tianjin 300052, China.
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Chen X, Bo L, Lu W, Zhou G, Chen Q. MicroRNA-148b targets Rho-associated protein kinase 1 to inhibit cell proliferation, migration and invasion in hepatocellular carcinoma. Mol Med Rep 2015; 13:477-82. [PMID: 26530325 DOI: 10.3892/mmr.2015.4500] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2015] [Accepted: 09/25/2015] [Indexed: 11/06/2022] Open
Abstract
microRNA(miR)-148b has been found to be downregulated in various human malignancies, including hepatocellular carcinoma (HCC) as well as gastric, pancreatic, colon and oral cancer. However, the function of miR‑148b in HCC has remained elusive. The present study examined the effects of miR‑148b on the proliferation, migration and invasion of HCC cells in vitro. After transfection of the HepG2 and SMMC‑7721 HCC cell lines with miR‑148b, an MTT assay, a Transwell migration and invasion assay as well as western blot analysis were performed. miR-148b was shown to inhibit cell proliferation, migration and invasion in the two cell lines. Using a luciferase reporter assay, the present study also provided the first evidence that miR‑148b directly targets Rho‑associated protein kinase 1 in HCC. These results suggested that miR-148 may represent a novel molecular marker and a potential molecular therapeutic for inhibiting metastasis of HCC.
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Affiliation(s)
- Xian Chen
- Department of Infectious Diseases, The Fourth Affiliated Hospital of Nantong Medical College, Yancheng City No. 1 People's Hospital, Yancheng, Jiangsu 224001, P.R. China
| | - Lianhua Bo
- Department of Infectious Diseases, The Fourth Affiliated Hospital of Nantong Medical College, Yancheng City No. 1 People's Hospital, Yancheng, Jiangsu 224001, P.R. China
| | - Wei Lu
- Department of Infectious Diseases, The Fourth Affiliated Hospital of Nantong Medical College, Yancheng City No. 1 People's Hospital, Yancheng, Jiangsu 224001, P.R. China
| | - Guihua Zhou
- Department of Infectious Diseases, The Fourth Affiliated Hospital of Nantong Medical College, Yancheng City No. 1 People's Hospital, Yancheng, Jiangsu 224001, P.R. China
| | - Qi Chen
- Department of Infectious Diseases, The Fourth Affiliated Hospital of Nantong Medical College, Yancheng City No. 1 People's Hospital, Yancheng, Jiangsu 224001, P.R. China
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Plieskatt J, Rinaldi G, Feng Y, Peng J, Easley S, Jia X, Potriquet J, Pairojkul C, Bhudhisawasdi V, Sripa B, Brindley PJ, Bethony J, Mulvenna J. A microRNA profile associated with Opisthorchis viverrini-induced cholangiocarcinoma in tissue and plasma. BMC Cancer 2015; 15:309. [PMID: 25903557 PMCID: PMC4417245 DOI: 10.1186/s12885-015-1270-5] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2014] [Accepted: 03/25/2015] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND Intrahepatic cholangiocarcinoma (ICC) is a highly aggressive tumor of the bile duct, and a significant public health problem in East Asia, where it is associated with infection by the parasite Opisthorchis viverrini. ICC is often detected at an advanced stage and with a poor prognosis, making a biomarker for early detection a priority. METHODS We have comprehensively profiled miRNA expression levels in ICC tumor tissue using small RNA-Seq and validated these profiles using quantitative PCR on matched plasma samples. RESULTS Distinct miRNA profiles were associated with increasing histological differentiation of ICC tumor tissue. We also observed that histologically normal tissue adjacent to ICC tumor displayed miRNA expression profiles more similar to tumor than liver tissue from healthy donors. In plasma samples, an eight-miRNA signature associated with ICC, regardless of the degree of histological differentiation of its matched tissue, forming the basis of a circulating miRNA-based biomarker for ICC. CONCLUSIONS The association of unique miRNA profiles with different ICC subtypes suggests the involvement of specific miRNAs during ICC tumor progression. In plasma, an eight-miRNA signature associated with ICC could form the foundation of an accessible (plasma-based) miRNA-based biomarker for the early detection of ICC.
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Affiliation(s)
- Jordan Plieskatt
- Department of Microbiology, Immunology and Tropical Medicine, School of Medicine and Health Sciences, George Washington University, Washington, DC, 20037, USA.
- Research Center for Neglected Diseases of Poverty, School of Medicine and Health Sciences, George Washington University, Washington, DC, 20037, USA.
| | - Gabriel Rinaldi
- Department of Microbiology, Immunology and Tropical Medicine, School of Medicine and Health Sciences, George Washington University, Washington, DC, 20037, USA.
- Research Center for Neglected Diseases of Poverty, School of Medicine and Health Sciences, George Washington University, Washington, DC, 20037, USA.
| | - Yanjun Feng
- Department of Microbiology, Immunology and Tropical Medicine, School of Medicine and Health Sciences, George Washington University, Washington, DC, 20037, USA.
- Research Center for Neglected Diseases of Poverty, School of Medicine and Health Sciences, George Washington University, Washington, DC, 20037, USA.
| | - Jin Peng
- Department of Microbiology, Immunology and Tropical Medicine, School of Medicine and Health Sciences, George Washington University, Washington, DC, 20037, USA.
- Research Center for Neglected Diseases of Poverty, School of Medicine and Health Sciences, George Washington University, Washington, DC, 20037, USA.
| | - Samantha Easley
- Department of Pathology, School of Medicine and Health Sciences, George Washington University, Washington, DC, 20037, USA.
| | - Xinying Jia
- QIMR Berghofer Medical Research Institute, Infectious Disease and Cancer, Brisbane, Queensland, 4006, Australia.
| | - Jeremy Potriquet
- QIMR Berghofer Medical Research Institute, Infectious Disease and Cancer, Brisbane, Queensland, 4006, Australia.
| | | | | | - Banchob Sripa
- Faculty of Medicine, Khon Kaen University, Khon Kaen, 40002, Thailand.
| | - Paul J Brindley
- Department of Microbiology, Immunology and Tropical Medicine, School of Medicine and Health Sciences, George Washington University, Washington, DC, 20037, USA.
- Research Center for Neglected Diseases of Poverty, School of Medicine and Health Sciences, George Washington University, Washington, DC, 20037, USA.
| | - Jeffrey Bethony
- Department of Microbiology, Immunology and Tropical Medicine, School of Medicine and Health Sciences, George Washington University, Washington, DC, 20037, USA.
- Research Center for Neglected Diseases of Poverty, School of Medicine and Health Sciences, George Washington University, Washington, DC, 20037, USA.
| | - Jason Mulvenna
- QIMR Berghofer Medical Research Institute, Infectious Disease and Cancer, Brisbane, Queensland, 4006, Australia.
- The University of Queensland, School of Biomedical Sciences, Brisbane, Queensland, 4072, Australia.
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AC1MMYR2 impairs high dose paclitaxel-induced tumor metastasis by targeting miR-21/CDK5 axis. Cancer Lett 2015; 362:174-82. [PMID: 25827073 DOI: 10.1016/j.canlet.2015.03.038] [Citation(s) in RCA: 48] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2015] [Revised: 03/24/2015] [Accepted: 03/24/2015] [Indexed: 12/21/2022]
Abstract
Paclitaxel (taxol) is a widely used chemo-drug for many solid tumors, while continual taxol treatment is revealed to stimulate tumor dissemination. We previously found that a small molecule inhibitor of miR-21, termed AC1MMYR2, had the potential to impair tumorigenesis and metastasis. The aim of this study was to investigate whether combining AC1MMYR2 with taxol could be explored as a means to limit tumor metastasis. Here we showed that abnormal activation of miR-21/CDK5 axis was associated with breast cancer lymph node metastasis, which was also contribute to high dose taxol-induced invasion and epithelial mesenchymal transition (EMT) in both breast cancer cell line MDA-MB-231 and glioblastoma cell line U87VIII. AC1MMYR2 attenuated CDK5 activity by functional targeting CDK5RAP1, CDK5 activator p39 and target p-FAK(ser732). A series of in vitro assays indicated that treatment of AC1MMYR2 combined with taxol suppressed tumor migration and invasion ability in both MDA-MB-231 and U87VIII cell. More importantly, combination therapy impaired high-dose taxol induced invadopodia, and EMT markers including β-catenin, E-cadherin and vimentin. Strikingly, a significant reduction of lung metastasis in mice was observed in the AC1MMYR2 plus taxol treatment. Taken together, our work demonstrated that AC1MMYR2 appeared to be a promising strategy in combating taxol induced cancer metastasis by targeting miR-21/CDK5 axis, which highlighted the potential for development of therapeutic modalities for better clinic taxol application.
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Zhao Z, Wang L, Song W, Cui H, Chen G, Qiao F, Hu J, Zhou R, Fan H. Reduced miR-29a-3p expression is linked to the cell proliferation and cell migration in gastric cancer. World J Surg Oncol 2015; 13:101. [PMID: 25889078 PMCID: PMC4363339 DOI: 10.1186/s12957-015-0513-x] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2014] [Accepted: 02/14/2015] [Indexed: 02/06/2023] Open
Abstract
Background MicroRNAs (miRNAs) play an important role in a tumor-suppressive or oncogenic manner in carcinogenesis. Alteration expression patterns of miRNAs in gastric cancer (GC) are associated with cancer initiation and progression. In the present study, we evaluated miR-29a-3p expression pattern and its function in gastric carcinogenesis. Methods The expression of miR-29a-3p in GC tissue samples and cell lines was detected by quantitative real-time PCR (qRT-PCR). After transfected with miR-29a-3p mimics or inhibitor, the cell proliferation, cell migration, and invasion ability were assessed by CCK-8 assay, wound healing assay, and Trans-well assay, respectively. The level of CDK2, CDK4, CDK6, and CyclinD1 were determined by qRT-PCR and Western blot. Results Compared with the corresponding non-tumor tissues, miR-29a-3p showed a significant down-regulated expression in tumor tissues. In vitro functional assays demonstrated that enforced miR-29a-3p expression inhibited cell proliferation by reducing the expression of CDK2, CDK4, and CDK6. Wound healing and Transwell assays revealed that miR-29a-3p suppressed tumor metastasis in GC. Conclusions Our preliminary results suggest that altered expression of miR-29a-3p is involved in gastric cancer process. The present study provides the first insight into the specific role of miR-29a-3p in gastric carcinogenesis. Electronic supplementary material The online version of this article (doi:10.1186/s12957-015-0513-x) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Zhujiang Zhao
- Department of Genetics & Developmental Biology, the Medical School of Southeast University and Key Laboratory of Developmental Genes and Human Diseases, Ministry of Education, Southeast University, 2 Sipailou, Xuanwu, Nanjing, 210009, China.
| | - Ling Wang
- Department of Genetics & Developmental Biology, the Medical School of Southeast University and Key Laboratory of Developmental Genes and Human Diseases, Ministry of Education, Southeast University, 2 Sipailou, Xuanwu, Nanjing, 210009, China.
| | - Wei Song
- Department of Genetics & Developmental Biology, the Medical School of Southeast University and Key Laboratory of Developmental Genes and Human Diseases, Ministry of Education, Southeast University, 2 Sipailou, Xuanwu, Nanjing, 210009, China.
| | - He Cui
- Department of Genetics & Developmental Biology, the Medical School of Southeast University and Key Laboratory of Developmental Genes and Human Diseases, Ministry of Education, Southeast University, 2 Sipailou, Xuanwu, Nanjing, 210009, China.
| | - Gang Chen
- Jiangning Hospital, Nanjing Medical University, 140 Hanzhong Road, Nanjing, 210000, China.
| | - Fengchang Qiao
- Department of Genetics & Developmental Biology, the Medical School of Southeast University and Key Laboratory of Developmental Genes and Human Diseases, Ministry of Education, Southeast University, 2 Sipailou, Xuanwu, Nanjing, 210009, China.
| | - Jiaojiao Hu
- Department of Genetics & Developmental Biology, the Medical School of Southeast University and Key Laboratory of Developmental Genes and Human Diseases, Ministry of Education, Southeast University, 2 Sipailou, Xuanwu, Nanjing, 210009, China.
| | - Rongping Zhou
- Jiangning Hospital, Nanjing Medical University, 140 Hanzhong Road, Nanjing, 210000, China.
| | - Hong Fan
- Department of Genetics & Developmental Biology, the Medical School of Southeast University and Key Laboratory of Developmental Genes and Human Diseases, Ministry of Education, Southeast University, 2 Sipailou, Xuanwu, Nanjing, 210009, China.
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Rusek AM, Abba M, Eljaszewicz A, Moniuszko M, Niklinski J, Allgayer H. MicroRNA modulators of epigenetic regulation, the tumor microenvironment and the immune system in lung cancer. Mol Cancer 2015; 14:34. [PMID: 25743773 PMCID: PMC4333888 DOI: 10.1186/s12943-015-0302-8] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2014] [Accepted: 01/21/2015] [Indexed: 12/11/2022] Open
Abstract
Cancer is an exceedingly complex disease that is orchestrated and driven by a combination of multiple aberrantly regulated processes. The nature and depth of involvement of individual events vary between cancer types, and in lung cancer, the deregulation of the epigenetic machinery, the tumor microenvironment and the immune system appear to be especially relevant. The contribution of microRNAs to carcinogenesis and cancer progression is well established with many reports and investigations describing the involvement of microRNAs in lung cancer, however most of these studies have concentrated on single microRNA-target relations and have not adequately addressed the complexity of their interactions. In this review, we focus, in part, on the role of microRNAs in the epigenetic regulation of lung cancer where they act as active molecules modulating enzymes that take part in methylation-mediated silencing and chromatin remodeling. Additionally, we highlight their contribution in controlling and modulating the tumor microenvironment and finally, we describe their role in the critical alteration of essential molecules that influence the immune system in lung cancer development and progression.
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Affiliation(s)
- Anna Maria Rusek
- Department of Clinical Molecular Biology, Medical University of Bialystok, Waszyngtona 13, Białystok, 15-269, Poland.
- Department of Experimental Surgery, Medical Faculty Mannheim, Heidelberg University, Theodor Kutzer Ufer 1-3, 68135, Mannheim, Germany.
- Molecular Oncology of Solid Tumors, DKFZ (German Cancer Research Centre), Im Neuenheimer Feld 280, 69120, Heidelberg, Germany.
| | - Mohammed Abba
- Department of Experimental Surgery, Medical Faculty Mannheim, Heidelberg University, Theodor Kutzer Ufer 1-3, 68135, Mannheim, Germany.
- Molecular Oncology of Solid Tumors, DKFZ (German Cancer Research Centre), Im Neuenheimer Feld 280, 69120, Heidelberg, Germany.
| | - Andrzej Eljaszewicz
- Department of Regenerative Medicine and Immune Regulation, Medical University of Bialystok, Bialystok, Waszyngtona 13, Białystok, 15-269, Poland.
| | - Marcin Moniuszko
- Department of Regenerative Medicine and Immune Regulation, Medical University of Bialystok, Bialystok, Waszyngtona 13, Białystok, 15-269, Poland.
| | - Jacek Niklinski
- Department of Clinical Molecular Biology, Medical University of Bialystok, Waszyngtona 13, Białystok, 15-269, Poland.
| | - Heike Allgayer
- Department of Experimental Surgery, Medical Faculty Mannheim, Heidelberg University, Theodor Kutzer Ufer 1-3, 68135, Mannheim, Germany.
- Molecular Oncology of Solid Tumors, DKFZ (German Cancer Research Centre), Im Neuenheimer Feld 280, 69120, Heidelberg, Germany.
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Chan B, Manley J, Lee J, Singh SR. The emerging roles of microRNAs in cancer metabolism. Cancer Lett 2015; 356:301–8. [DOI: 10.1016/j.canlet.2014.10.011] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2014] [Accepted: 10/09/2014] [Indexed: 12/13/2022]
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Kim S, Rhee JK, Yoo HJ, Lee HJ, Lee EJ, Lee JW, Yu JH, Son BH, Gong G, Kim SB, Singh SR, Ahn SH, Chang S. Bioinformatic and metabolomic analysis reveals miR-155 regulates thiamine level in breast cancer. Cancer Lett 2014; 357:488-97. [PMID: 25484137 DOI: 10.1016/j.canlet.2014.11.058] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2014] [Revised: 11/26/2014] [Accepted: 11/26/2014] [Indexed: 12/14/2022]
Abstract
microRNA-155 (miR-155) is one of the well-known oncogenic miRNA implicated in various types of tumors. Thiamine, commonly known as vitamin B1, is one of critical cofactors for energy metabolic enzymes including pyruvate dehydrogenase, alpha ketoglutarate dehydrogenase, and transketolase. Here we report a novel role of miR-155 in cancer metabolism through the up-regulation of thiamine in breast cancer cells. A bioinformatic analysis of miRNA array and metabolite-profiling data from NCI-60 cancer cell panel revealed thiamine as a metabolite positively correlated with the miR-155 expression level. We confirmed it in MCF7, MDA-MB-436 and two human primary breast cancer cells by showing reduced thiamine levels upon a knock-down of miR-155. To understand how the miR-155 controls thiamine level, a set of key molecules for thiamine homeostasis were further analyzed after the knockdown of miR-155. The results showed the expression of two thiamine transporter genes (SLC19A2, SLC25A19) as well as thiamine pyrophosphokinase-1 (TPK1) were decreased in both RNA and protein level in miR-155 dependent manner. Finally, we confirm the finding by showing a positive correlation between miR-155 and thiamine level in 71 triple negative breast tumors. Taken altogether, our study demonstrates a role of miR-155 in thiamine homeostasis and suggests a function of this oncogenic miRNA on breast cancer metabolism.
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Affiliation(s)
- Sinae Kim
- Department of Biomedical Sciences, Department of Physiology, University of Ulsan College of Medicine, Seoul, South Korea
| | | | | | | | - Eun Ji Lee
- Department of Biomedical Sciences, Department of Physiology, University of Ulsan College of Medicine, Seoul, South Korea
| | | | | | | | | | | | - Shree Ram Singh
- Stem Cell Regulation and Animal Aging Section, Basic Research Laboratory, National Cancer Institute, National Institutes of Health, Frederick, MD, USA
| | | | - Suhwan Chang
- Department of Biomedical Sciences, Department of Physiology, University of Ulsan College of Medicine, Seoul, South Korea; Asan Medical Center, Seoul, South Korea.
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Seol HS, Akiyama Y, Shimada S, Lee HJ, Kim TI, Chun SM, Singh SR, Jang SJ. Epigenetic silencing of microRNA-373 to epithelial-mesenchymal transition in non-small cell lung cancer through IRAK2 and LAMP1 axes. Cancer Lett 2014; 353:232-41. [PMID: 25063738 PMCID: PMC7707239 DOI: 10.1016/j.canlet.2014.07.019] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2014] [Revised: 07/11/2014] [Accepted: 07/14/2014] [Indexed: 12/21/2022]
Abstract
The role of microRNAs (miRNAs) in carcinogenesis as tumor suppressors or oncogenes has been widely reported. Epigenetic change is one of the mechanisms of transcriptional silencing of miRNAs in cancer. To identify lung cancer-related miRNAs that are mediated by histone modification, we conducted microarray analysis in the Calu-6 non-small cell lung cancer (NSCLC) cell line after treatment with suberoylanilide hydroxamic acid (SAHA), a histone deacetylase (HDAC) inhibitor. The expression level of miR-373 was enhanced by SAHA treatment in this cell line by microarray and the following quantitative RT-PCR analyses. Treatment with another HDAC inhibitor, Trichostatin A, restored the levels of miR-373 expression in A549 and Calu-6 cells, while demethylation drug treatment did not. Importantly, miR-373 was found to be down-regulated in NSCLC tissues and cell lines. Transfection of miR-373 into A549 and Calu-6 cells attenuated cell proliferation, migration, and invasion and reduced the expression of mesenchymal markers. Additional microarray analysis of miR-373-transfected cells and computational predictions identified IRAK2 and LAMP1 as targets of miR-373. Knockdown of these two genes showed similar biological effects to those of miR-373 overexpression. In clinical samples, overexpression of IRAK2 correlated with decreased disease-free survival of patients with non-adenocarcinoma. In conclusion, we found that miR-373 is silenced by histone modification in lung cancer cells and identified its function as a tumor suppressor and negative regulator of the mesenchymal phenotype through downstream IRAK2 and LAMP1 target genes.
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Affiliation(s)
- Hyang Sook Seol
- Department of Pathology, University of Ulsan College of Medicine, Asan Medical Center, Seoul 138-736, South Korea; Asan Center for Cancer Genome Discovery, University of Ulsan College of Medicine, Asan Medical Center, Seoul 138-736, South Korea
| | - Yoshimitsu Akiyama
- Department of Molecular Oncology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo 113-8519, Japan
| | - Shu Shimada
- Department of Molecular Oncology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo 113-8519, Japan
| | - Hee Jin Lee
- Department of Pathology, University of Ulsan College of Medicine, Asan Medical Center, Seoul 138-736, South Korea
| | - Tae Im Kim
- Asan Center for Cancer Genome Discovery, University of Ulsan College of Medicine, Asan Medical Center, Seoul 138-736, South Korea
| | - Sung Min Chun
- Department of Pathology, University of Ulsan College of Medicine, Asan Medical Center, Seoul 138-736, South Korea; Asan Center for Cancer Genome Discovery, University of Ulsan College of Medicine, Asan Medical Center, Seoul 138-736, South Korea
| | - Shree Ram Singh
- Basic Research Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, MD 21702, USA.
| | - Se Jin Jang
- Department of Pathology, University of Ulsan College of Medicine, Asan Medical Center, Seoul 138-736, South Korea; Asan Center for Cancer Genome Discovery, University of Ulsan College of Medicine, Asan Medical Center, Seoul 138-736, South Korea.
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LU XIAODONG, CHEN YUANYUAN, ZENG TIANTIAN, CHEN LUFANG, SHAO QIXIANG, QIN WENXIN. Knockout of the HCC suppressor gene Lass2 downregulates the expression level of miR-694. Oncol Rep 2014; 32:2696-702. [DOI: 10.3892/or.2014.3527] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2014] [Accepted: 09/02/2014] [Indexed: 11/06/2022] Open
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MiR-124 represses vasculogenic mimicry and cell motility by targeting amotL1 in cervical cancer cells. Cancer Lett 2014; 355:148-58. [PMID: 25218344 DOI: 10.1016/j.canlet.2014.09.005] [Citation(s) in RCA: 77] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2013] [Revised: 08/31/2014] [Accepted: 09/04/2014] [Indexed: 12/19/2022]
Abstract
miRNAs have extensive functions in differentiation, metabolism, programmed cell death, and tumor metastasis by post-transcriptional regulation. Vasculogenic mimicry is an important pathway in tumor metastasis. Many factors can regulate vasculogenic mimicry, including miRNAs. In previous studies, miR-124 was found to repress proliferation and metastasis in different types of cancers, but whether it functions in cervical cancer remained unknown. Here, we demonstrate that miR-124 can repress vasculogenic mimicry, migration and invasion in HeLa and C33A cells in vitro. Furthermore, we reveal that the effect of miR-124 on vasculogenic mimicry, migration and invasion results from its interaction with AmotL1. MiR-124 regulates AmotL1 negatively by targeting its 3'untranslated region (3'UTR). We found that miR-124 can repress the EMT process. Together, these results improve our understanding of the function of miR-124 in tumor metastasis and will help to provide new potential target sites for cervical cancer treatment.
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Wang W, Ren F, Wu Q, Jiang D, Li H, Shi H. MicroRNA-497 suppresses angiogenesis by targeting vascular endothelial growth factor A through the PI3K/AKT and MAPK/ERK pathways in ovarian cancer. Oncol Rep 2014; 32:2127-33. [PMID: 25176450 DOI: 10.3892/or.2014.3439] [Citation(s) in RCA: 81] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2014] [Accepted: 08/05/2014] [Indexed: 11/05/2022] Open
Abstract
MicroRNAs (miRNAs) have been shown to play an important role in diverse biological processes and cancer progression. The objective of the present study was to investigate the role of miR-497 in ovarian cancer angiogenesis. We found that miR-497 expression was downregulated in human ovarian cancer tissues, and the low miR-497 expression was significantly associated with increased angiogenesis. Functionally, exogenous expression of miR-497 suppressed the ability of ovarian cancer cells to promote capillary tube formation of endothelial cells. We further disclosed that miR-497 exerted its function of anti-angiogenesis by suppressing VEGFA expression in ovarian cancer cells and, in turn, impairing the VEGFR2-mediated PI3K/AKT and MAPK/ERK pathways. Our findings suggest that downregulation of miR-497 may contribute to angiogenesis in ovarian cancer. miR-497 may be a promising candidate target for prevention and treatment of ovarian cancer.
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Affiliation(s)
- Wei Wang
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, P.R. China
| | - Fang Ren
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, P.R. China
| | - Qinghua Wu
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, P.R. China
| | - Dazhi Jiang
- Department of Nuclear Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, P.R. China
| | - Hongjun Li
- Department of Nuclear Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, P.R. China
| | - Huirong Shi
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, P.R. China
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Tang S, Yang L, Tang X, Liu M. The role of oxidized ATM in the regulation of oxidative stress-induced energy metabolism reprogramming of CAFs. Cancer Lett 2014; 353:133-44. [PMID: 25069040 DOI: 10.1016/j.canlet.2014.07.028] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2014] [Revised: 07/07/2014] [Accepted: 07/17/2014] [Indexed: 02/06/2023]
Abstract
Cancer-associated fibroblasts (CAFs) are the predominant cell type in tumor microenvironment (TM) and featured with the distinct energy metabolism reprogramming (EMR) phenotype caused by many factors such as hypoxia and growth factors. The EMR of CAFs plays a key role in biological behaviors of cancer cells including proliferation, migration, invasion, and epithelial-mesenchymal transition (EMT). Recently, accumulative evidence indicates that oxidative stress (OS) mediates the EMR of CAFs under conditions of various stimuli. However, the precise mechanism by which OS causes the EMR of CAFs is not clear. Interestingly, our previous work suggested that ataxia-telangiectasia mutated (ATM) signaling is activated independent of DNA double strand breaks (DSBs) in CAFs derived from human breast cancers compared with paired normal fibroblasts (NFs). Recent studies have shown that ATM protein kinase, as a redox sensor, is closely associated with cellular energy metabolism. Thus, it is very possible that ATM protein kinase regulates the EMR of CAFs. So, it is necessary to perform an integral study on how oxidized ATM regulates the EMR of CAFs in response to various stimuli evoking OS. This will facilitate to develop a new powerful strategy of preventing and treating cancers.
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Affiliation(s)
- Shifu Tang
- Key Laboratory of Laboratory Medical Diagnostics, Chinese Ministry of Education, Chongqing Medical University, Chongqing 400016, China
| | - Li Yang
- Key Laboratory of Laboratory Medical Diagnostics, Chinese Ministry of Education, Chongqing Medical University, Chongqing 400016, China
| | - Xi Tang
- Key Laboratory of Laboratory Medical Diagnostics, Chinese Ministry of Education, Chongqing Medical University, Chongqing 400016, China
| | - Manran Liu
- Key Laboratory of Laboratory Medical Diagnostics, Chinese Ministry of Education, Chongqing Medical University, Chongqing 400016, China.
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