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Liu N, Jiang F, He TL, Zhang JK, Zhao J, Wang C, Jiang GX, Cao LP, Kang PC, Zhong XY, Lin TY, Cui YF. The Roles of MicroRNA-122 Overexpression in Inhibiting Proliferation and Invasion and Stimulating Apoptosis of Human Cholangiocarcinoma Cells. Sci Rep 2015; 5:16566. [PMID: 26686459 PMCID: PMC4685305 DOI: 10.1038/srep16566] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2015] [Accepted: 10/16/2015] [Indexed: 01/04/2023] Open
Abstract
Our study investigated whether microRNA-122 (miR-122) played important roles in the proliferation, invasion and apoptosis of human cholangiocarcinoma (CC) cells. QBC939 and RBE cells lines were chosen and divided into five groups: miR-122 mimic group, anti-miR-122 group, negative control (NC) group, mock group and blank group. MiR-122 expression was measured by qRT-PCR. Roles of miR-122 in cell proliferation, apoptosis and invasion were investigated using MTT assay, flow cytometer and Transwell invasion assay, respectively. MiR-122 expression was lower in CC tissues and QBC939 cell than that in normal bile duct tissues, HCCC-9810 and RBE cells. In both QBC939 and RBE cells lines, miR-122 expression was higher in miR-122 mimic group than that in NC group, mock group and blank group; opposite results were found in anti-miR-122 group. Cell proliferation and invasion were remarkably inhibited in miR-122 mimic group after 48 h/72 h transfection, while apoptotic cells numbers were much greater in miR-122 mimic group; the opposite results were obtained from anti-miR-122 group (all P < 0.05). MiR-122 expression was significantly weaker in CC tissues, and miR-122 overexpression might play pivotal roles in inhibiting proliferation, stimulating apoptosis and suppressing invasion of CC cells, suggesting a new target for CC diagnosis and treatment.
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Affiliation(s)
- Ning Liu
- Department of General Surgery, Hainan Provincial people's Hospital, Haikou 570311, P.R. China
| | - Fan Jiang
- Department of Geratology, Hainan Provincial people's Hospital, Haikou 570311, P.R. China
| | - Tian-Lin He
- Department of Pancreatic Surgery, Changhai Hospital, Second Military Medical University, Shanghai 200433, P.R. China
| | - Jun-Kuan Zhang
- Department of Interventional, the Third Hospital of PLA, P.R. China
| | - Juan Zhao
- Department of Oncology, Xiangyang Central Hospital, Xiangyang 441021, P.R. China
| | - Chun Wang
- Department of Oncology, Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430024, P.R. China
| | - Gui-Xing Jiang
- Department of Interventional, the Third Hospital of PLA, P.R. China
| | - Li-Ping Cao
- Department of Interventional, the Third Hospital of PLA, P.R. China
| | - Peng-Cheng Kang
- Department of Interventional, the Third Hospital of PLA, P.R. China
| | - Xiang-Yu Zhong
- Department of Interventional, the Third Hospital of PLA, P.R. China
| | - Tian-Yu Lin
- Department of Interventional, the Third Hospital of PLA, P.R. China
| | - Yun-Fu Cui
- Department of Interventional, the Third Hospital of PLA, P.R. China
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102
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Gu P, Liu FG, Sun XG, Chen L, Li L, Liu XS. Effect of formaldehyde on miRNA122 and its downstream molecules a disintegrin and metalloproteinase 10 and serum response factor in the liver of mice. Shijie Huaren Xiaohua Zazhi 2015; 23:5435-5442. [DOI: 10.11569/wcjd.v23.i34.5435] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
AIM: To investigate the effect of formaldehyde on miRNA122 and its downstream molecules a disintegrin and metalloproteinase 10 (ADAM10) and serum response factor (SRF) in the liver of mice.
METHODS: Forty female Kunming mice were randomly divided into three formaldehyde groups (low-, medium- and high-concentration groups) and a control group. The three formaldehyde groups were intraperitoneally injected with different concentrations of formaldehyde at 9:00 am daily. The control group was injected with equal volume of normal saline. After 30 d, the expression of miRNA122 in the liver was examined by real-time quantitative PCR (qRT-PCR). Immunohistochemistry was performed to observe the expression of ADAM10 and SRF in the liver.
RESULTS: The relative expression levels of miRNA122 in the control group, low-, medium-, and high-concentration groups were 0.99 ± 0.005, 0.94 ± 0.074, 0.72 ± 0.062, and 0.38 ± 0.091, respectively. There were significant differences between different groups (F = 22.988, P < 0.01). Formaldehyde significantly reduced the expression of miRNA122 in a dose-dependent manner. The expression of ADAM10 and SRF was significantly higher in the three formaldehyde groups than in the control group (H = 21.484, P = 0.000; H = 31.566, P = 0.000, respectively). The relative expression of miRNA122 showed a negative association with ADAM10, as well as SRF (r = -0.975, P = 0.025; r = -0.799, P = 0.02, respectively).
CONCLUSION: Formaldehyde can significantly reduce the expression of miRNA122 in the liver in a dose-dependent manner. Formaldehyde may induce hepatocellular carcinoma by increasing the expression of ADAM10 and SRF.
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103
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Lu W, Zhang Y, Zhou L, Wang X, Mu J, Jiang L, Hu Y, Dong P, Liu Y. miR-122 inhibits cancer cell malignancy by targeting PKM2 in gallbladder carcinoma. Tumour Biol 2015; 37:10.1007/s13277-015-4308-z. [PMID: 26546436 DOI: 10.1007/s13277-015-4308-z] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2015] [Accepted: 10/20/2015] [Indexed: 12/11/2022] Open
Abstract
Gallbladder cancer (GBC) is one of the lethal diseases of digestive system. Increasing evidence prompt that microRNAs (miRs) might provide a novel therapeutical target for malignant disease. The antitumor effect of miR-122 to GBC is worth to be investigated. miR-122 expression level in GBC tissue sample and cell lines were assayed by qRT-PCR. miR-122 mimics were transfected for upregulation of miR-122 expression. Cell function was assayed by CCK8, flow cytometry, wound healing assay, migration assay, and invasion assay. The target genes of miR-122 were predicated by TargetScan online program and verified by western blot and luciferase report gene assay. miR-122 was decreased in GBC tissue and cell lines. The exogenous introduction of miR-122 exhibits multiple antitumor effect in GBC cell proliferation, invasion, and metastasis. Further studies revealed that the PKM2 was a regulative target of miR-122 in GBC cell. miR-122 also inhibits TGF-β-induced epithelium mesenchymal transformation of GBC cell by downregulating PKM2 expression. These findings suggest that miR-122 plays an important role in tumorigenesis of GBC through interfering PKM2, highlighting its usefulness as a potential therapeutic agent in GBC.
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Affiliation(s)
- Wei Lu
- Department of General Surgery, Xinhua Hospital, Affiliated to Shanghai Jiao Tong University, School of Medicine, 1665 Kongjiang Road, Shanghai, 200092, People's Republic of China
- Institute of Social Cognitive and Behavioral Sciences, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, People's Republic of China
| | - Yijian Zhang
- Department of General Surgery, Xinhua Hospital, Affiliated to Shanghai Jiao Tong University, School of Medicine, 1665 Kongjiang Road, Shanghai, 200092, People's Republic of China
- Institute of Biliary Tract Diseases Research, Shanghai Jiao Tong University School of Medicine, 1665 Kongjiang Road, Shanghai, 200092, People's Republic of China
| | - Linzhu Zhou
- School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, People's Republic of China
| | - Xuan Wang
- Institute of Biliary Tract Diseases Research, Shanghai Jiao Tong University School of Medicine, 1665 Kongjiang Road, Shanghai, 200092, People's Republic of China
| | - Jiasheng Mu
- Department of General Surgery, Xinhua Hospital, Affiliated to Shanghai Jiao Tong University, School of Medicine, 1665 Kongjiang Road, Shanghai, 200092, People's Republic of China
| | - Lin Jiang
- Department of General Surgery, Xinhua Hospital, Affiliated to Shanghai Jiao Tong University, School of Medicine, 1665 Kongjiang Road, Shanghai, 200092, People's Republic of China
- Institute of Biliary Tract Diseases Research, Shanghai Jiao Tong University School of Medicine, 1665 Kongjiang Road, Shanghai, 200092, People's Republic of China
| | - Yunping Hu
- Department of General Surgery, Xinhua Hospital, Affiliated to Shanghai Jiao Tong University, School of Medicine, 1665 Kongjiang Road, Shanghai, 200092, People's Republic of China
- Institute of Biliary Tract Diseases Research, Shanghai Jiao Tong University School of Medicine, 1665 Kongjiang Road, Shanghai, 200092, People's Republic of China
| | - Ping Dong
- Department of General Surgery, Xinhua Hospital, Affiliated to Shanghai Jiao Tong University, School of Medicine, 1665 Kongjiang Road, Shanghai, 200092, People's Republic of China
| | - Yingbin Liu
- Department of General Surgery, Xinhua Hospital, Affiliated to Shanghai Jiao Tong University, School of Medicine, 1665 Kongjiang Road, Shanghai, 200092, People's Republic of China.
- Institute of Biliary Tract Diseases Research, Shanghai Jiao Tong University School of Medicine, 1665 Kongjiang Road, Shanghai, 200092, People's Republic of China.
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104
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Zhang P, Shen M, Fernandez-Patron C, Kassiri Z. ADAMs family and relatives in cardiovascular physiology and pathology. J Mol Cell Cardiol 2015; 93:186-99. [PMID: 26522853 DOI: 10.1016/j.yjmcc.2015.10.031] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/10/2015] [Revised: 10/26/2015] [Accepted: 10/28/2015] [Indexed: 12/21/2022]
Abstract
A disintegrin and metalloproteinases (ADAMs) are a family of membrane-bound proteases. ADAM-TSs (ADAMs with thrombospondin domains) are a close relative of ADAMs that are present in soluble form in the extracellular space. Dysregulated production or function of these enzymes has been associated with pathologies such as cancer, asthma, Alzheimer's and cardiovascular diseases. ADAMs contribute to angiogenesis, hypertrophy and apoptosis in a stimulus- and cell type-dependent manner. Among the ADAMs identified so far (34 in mouse, 21 in human), ADAMs 8, 9, 10, 12, 17 and 19 have been shown to be involved in cardiovascular development or cardiomyopathies; and among the 19 ADAM-TSs, ADAM-TS1, 5, 7 and 9 are important in development of the cardiovascular system, while ADAM-TS13 can contribute to vascular disorders. Meanwhile, there remain a number of ADAMs and ADAM-TSs whose function in the cardiovascular system has not been yet explored. The current knowledge about the role of ADAMs and ADAM-TSs in the cardiovascular pathologies is still quite limited. The most detailed studies have been performed in other cell types (e.g. cancer cells) and organs (nervous system) which can provide valuable insight into the potential functions of ADAMs and ADAM-TSs, their mechanism of action and therapeutic potentials in cardiomyopathies. Here, we review what is currently known about the structure and function of ADAMs and ADAM-TSs, and their roles in development, physiology and pathology of the cardiovascular system.
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Affiliation(s)
- Pu Zhang
- Department of Physiology, University of Alberta, Edmonton, Alberta, Canada; Cardiovascular Research Centre, University of Alberta, Edmonton, Alberta, Canada
| | - Mengcheng Shen
- Department of Physiology, University of Alberta, Edmonton, Alberta, Canada; Cardiovascular Research Centre, University of Alberta, Edmonton, Alberta, Canada
| | - Carlos Fernandez-Patron
- Department of Biochemistry, University of Alberta, Edmonton, Alberta, Canada; Cardiovascular Research Centre, University of Alberta, Edmonton, Alberta, Canada
| | - Zamaneh Kassiri
- Department of Physiology, University of Alberta, Edmonton, Alberta, Canada; Cardiovascular Research Centre, University of Alberta, Edmonton, Alberta, Canada.
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105
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Voigtländer T, Gupta SK, Thum S, Fendrich J, Manns MP, Lankisch TO, Thum T. MicroRNAs in Serum and Bile of Patients with Primary Sclerosing Cholangitis and/or Cholangiocarcinoma. PLoS One 2015; 10:e0139305. [PMID: 26431155 PMCID: PMC4591993 DOI: 10.1371/journal.pone.0139305] [Citation(s) in RCA: 81] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2015] [Accepted: 09/10/2015] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND AND AIM Patients with primary sclerosing cholangitis (PSC) are at high risk for the development of cholangiocarcinoma (CC). Analysis of micro ribonucleic acid (MiRNA) patterns is an evolving research field in biliary pathophysiology with potential value in diagnosis and therapy. Our aim was to evaluate miRNA patterns in serum and bile of patients with PSC and/or CC. METHODS Serum and bile from consecutive patients with PSC (n = 40 (serum), n = 52 (bile)), CC (n = 31 (serum), n = 19 (bile)) and patients with CC complicating PSC (PSC/CC) (n = 12 (bile)) were analyzed in a cross-sectional study between 2009 and 2012. As additional control serum samples from healthy individuals were analyzed (n = 12). The miRNA levels in serum and bile were determined with global miRNA profiling and subsequent miRNA-specific polymerase chain reaction-mediated validation. RESULTS Serum analysis revealed significant differences for miR-1281 (p = 0.001), miR-126 (p = 0.001), miR-26a (p = 0.001), miR-30b (p = 0.001) and miR-122 (p = 0.034) between patients with PSC and patients with CC. All validated miRNAs were significantly lower in healthy individuals. MiR-412 (p = 0.001), miR-640 (p = 0.001), miR-1537 (p = 0.003) and miR-3189 (p = 0.001) were significantly different between patients with PSC and PSC/CC in bile. CONCLUSIONS Patients with PSC and/or CC have distinct miRNA profiles in serum and bile. Furthermore, miRNA concentrations are different in bile of patients with CC on top of PSC indicating the potential diagnostic value of these miRNAs.
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Affiliation(s)
- Torsten Voigtländer
- Department of Gastroenterology, Hepatology and Endocrinology, Hannover Medical School, Hannover, Germany
- Integrated Research and Treatment Center—Transplantation (IFB-Tx), Hannover Medical School, Hannover, Germany
| | - Shashi K. Gupta
- Institute of Molecular and Translational Therapeutic Strategies, Hannover Medical School, Hannover, Germany
| | - Sabrina Thum
- Institute of Molecular and Translational Therapeutic Strategies, Hannover Medical School, Hannover, Germany
| | - Jasmin Fendrich
- Institute of Molecular and Translational Therapeutic Strategies, Hannover Medical School, Hannover, Germany
| | - Michael P. Manns
- Department of Gastroenterology, Hepatology and Endocrinology, Hannover Medical School, Hannover, Germany
- Integrated Research and Treatment Center—Transplantation (IFB-Tx), Hannover Medical School, Hannover, Germany
| | - Tim O. Lankisch
- Department of Gastroenterology, Hepatology and Endocrinology, Hannover Medical School, Hannover, Germany
- Integrated Research and Treatment Center—Transplantation (IFB-Tx), Hannover Medical School, Hannover, Germany
| | - Thomas Thum
- Integrated Research and Treatment Center—Transplantation (IFB-Tx), Hannover Medical School, Hannover, Germany
- Institute of Molecular and Translational Therapeutic Strategies, Hannover Medical School, Hannover, Germany
- Excellence Cluster REBIRTH, Hannover Medical School, Hannover, Germany
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106
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Huang JT, Liu SM, Ma H, Yang Y, Zhang X, Sun H, Zhang X, Xu J, Wang J. Systematic Review and Meta-Analysis: Circulating miRNAs for Diagnosis of Hepatocellular Carcinoma. J Cell Physiol 2015; 231:328-35. [PMID: 26291451 DOI: 10.1002/jcp.25135] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2015] [Accepted: 08/14/2015] [Indexed: 12/17/2022]
Abstract
Because early-stage hepatocellular carcinoma (HCC) is difficult to diagnose using the existing techniques, identifying better biomarkers would likely improve the patients' prognoses. We performed a systematic review and meta-analysis of published studies to appraise the utility of microRNAs (miRNAs) for the early diagnosis of HCC. Pertinent literature was collected from the Medline, Embase, and Chinese National Knowledge Infrastructure databases. We analyzed 50 studies that included 3423 cases of HCC, 2403 chronic hepatic disease (CH) patients, and 1887 healthy controls in 16 articles. Summary receiver operating characteristic analyses of all miRNAs showed an area under the curve (AUC) of 0.82, with 75.8% sensitivity and 75.0% specificity in discriminating patients with HCC from healthy controls. miR-21 and miR-122 individually distinguished patients with HCC from healthy controls, with an AUC of 0.88 for miR-21 and 0.77 for miR-122. The sensitivity and specificity for miR-21 were 86.6% and 79.5%, respectively, those for miR-122 were 68.0% and 73.3%. We conclude that circulating miRNAs, particularly miR-21, and miR-122, are promising biomarkers for the early diagnosis of HCC.
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Affiliation(s)
- Jing-Tao Huang
- Center for Gene Diagnosis, Zhongnan Hospital of Wuhan University, Wuhan, Hubei, P. R. China
| | - Song-Mei Liu
- Center for Gene Diagnosis, Zhongnan Hospital of Wuhan University, Wuhan, Hubei, P. R. China
| | - Haiqing Ma
- Department of Oncology, The Fifth Affiliated Hospital of Sun Yat-Sen University, Zhuhai, Guangdong, P. R. China
| | - Ying Yang
- Center for Gene Diagnosis, Zhongnan Hospital of Wuhan University, Wuhan, Hubei, P. R. China
| | - Xuan Zhang
- Scientific Research Center, Shanghai Public Health Clinical Center, Shanghai, Jinshan District, P. R. China
| | - Huanhuan Sun
- Department of Oncology, The Fifth Affiliated Hospital of Sun Yat-Sen University, Zhuhai, Guangdong, P. R. China
| | - Xiaoyan Zhang
- Scientific Research Center, Shanghai Public Health Clinical Center, Shanghai, Jinshan District, P. R. China
| | - Jianqing Xu
- Scientific Research Center, Shanghai Public Health Clinical Center, Shanghai, Jinshan District, P. R. China
| | - Jin Wang
- Scientific Research Center, Shanghai Public Health Clinical Center, Shanghai, Jinshan District, P. R. China.,Department of Molecular Pathology, The University of Texas MD Anderson Cancer Center, Houston, Texas
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107
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Huang H, Zhu Y, Li S. MicroRNA-122 mimic transfection contributes to apoptosis in HepG2 cells. Mol Med Rep 2015; 12:6918-24. [PMID: 26323254 DOI: 10.3892/mmr.2015.4254] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2014] [Accepted: 06/05/2015] [Indexed: 11/06/2022] Open
Abstract
There is currently a requirement for effective treatment strategies for human hepatocellular carcinoma (HCC), a leading cause of cancer‑associated mortality. MicroRNA-122 (miR-122), a repressor of the endogenous apoptosis regulator Bcl‑w, is frequently downregulated in HCC. Thus, it is hypothesized that the activation of miR‑122 may induce selective hepatocellular apoptosis via caspase activation in a model of HCC. In the present study, an miR‑122 mimic transfection was performed in HepG2 cells, and used to investigate the role and therapeutic potential of miR‑122 in the regulation of HCC‑derived cell lines. The apoptotic rates of HepG2 cells were significantly increased following miR‑122 mimic transfection. Reverse transcription‑polymerase chain reaction analysis revealed that Bcl‑w mRNA was significantly reduced, while the mRNA levels of caspase‑9 and caspase‑3 were markedly increased. The immunocytochemistry results supported the mRNA trends. Collectively, the present results suggest that endogenous miR‑122 contributes to HepG2 apoptosis and that transfection of mimic miR‑122 normalizes apoptotic levels in a model of HCC.
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Affiliation(s)
- Hongyan Huang
- Liver Diseases Research Center, The First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian 350005, P.R. China
| | - Yueyong Zhu
- Liver Diseases Research Center, The First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian 350005, P.R. China
| | - Shaoyang Li
- Department of Neurosurgery, The First People's Hospital of Taizhou, Taizhou, Zhejiang 318000, P.R. China
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108
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Xenosensor CAR mediates down-regulation of miR-122 and up-regulation of miR-122 targets in the liver. Toxicol Appl Pharmacol 2015; 288:26-32. [PMID: 26171734 DOI: 10.1016/j.taap.2015.07.004] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2015] [Revised: 07/03/2015] [Accepted: 07/07/2015] [Indexed: 01/10/2023]
Abstract
MiR-122 is a major hepatic microRNA, accounting for more than 70% of the total liver miRNA population. It has been shown that miR-122 is associated with liver diseases, including hepatocellular carcinoma. Mir-122 is an intergenic miRNA with its own promoter. Pri-miR-122 expression is regulated by liver-enriched transcription factors, mainly by HNF4α, which mediates the expression via the interaction with a specific DR1 site. It has been shown that phenobarbital-mediated activation of constitutive androstane receptor (CAR), xenobiotic nuclear receptor, is associated with a decrease in miR-122 in the liver. In the present study, we investigated HNF4α-CAR cross-talk in the regulation of miR-122 levels and promitogenic signalling in mouse livers. The level of miR-122 was significantly repressed by treatment with 1,4-bis[2-(3,5-dichloropyridyloxy)]benzene (TCPOBOP), which is an agonist of mouse CAR. ChIP assays demonstrated that TCPOBOP-activated CAR inhibited HNF4α transactivation by competing with HNF4α for binding to the DR1 site in the pri-miR-122 promoter. Such transcription factor replacement was strongly correlated with miR-122 down-regulation. Additionally, the decrease in miR-122 levels produced by CAR activation is accompanied by an increase in mRNA and cellular protein levels of E2f1 and its accumulation on the target cMyc gene promoter. The increase in accumulation of E2f1 on the target cMyc gene promoter is accompanied by an increase in cMyc levels and transcriptional activity. Thus, our results provide evidence to support the conclusion that CAR activation decreases miR-122 levels through suppression of HNF4α transcriptional activity and indirectly regulates the promitogenic protein cMyc. HNF4α-CAR cross-talk may provide new opportunities for understanding liver diseases and developing more effective therapeutic approaches to better drug treatments.
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109
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Effects of sorafenib on lung metastasis in rats with hepatocellular carcinoma: the role of microRNAs. Tumour Biol 2015; 36:8455-63. [DOI: 10.1007/s13277-015-3565-1] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2015] [Accepted: 05/13/2015] [Indexed: 01/08/2023] Open
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110
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Li C, Wu X, Zhang H, Yang G, Hao M, Sheng S, Sun Y, Long J, Hu C, Sun X, Li L, Zheng J. A Huaier polysaccharide reduced metastasis of human hepatocellular carcinoma SMMC-7721 cells via modulating AUF-1 signaling pathway. Tumour Biol 2015; 36:6285-93. [PMID: 25787750 DOI: 10.1007/s13277-015-3314-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2015] [Accepted: 03/05/2015] [Indexed: 01/22/2023] Open
Abstract
TP-1 is a polysaccharide from one famous fungus Huaier. Treatment with TP-1 significantly inhibited the cell growth, adhesion, migration, and motility of SMMC-7721 cells in a dose-dependent manner. Real-time quantitative RT-PCR revealed a dose-dependent decrease in RNA-binding factor 1 (AUF-1) and astrocyte elevated gene-1 (AEG-1) messenger RNA (mRNA) levels in TP-1-treated SMMC-7721 cells, which is consistent with their protein expression detected by Western blotting. On the contrary, microRNA-122 (miR-122) expression increased in SMMC-7721 cells following TP-1 treatment. Moreover, TP-1 treatment at three doses apparently increased epithelial marker E-cadherin protein expression but decreased the mesenchymal marker N-cadherin protein level. In addition, the hematoxylin-eosin (H & E) staining showed that the TP-1 significantly inhibited the lung metastasis of liver cancer in mice orthotopic implanted with SMMC-7721 tumor tissue. Taken together, these findings proved the inhibitory effect of TP-1 on the growth and metastasis of SMMC-7721 cells, and TP-1 might be offered for future application as a powerful chemopreventive agent against hepatocellular carcinoma (HCC) metastasis.
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Affiliation(s)
- Cong Li
- Intervention Therapy Center of Liver Diseases, Beijing You An Hospital, Capital Medical University, 100069, Beijing, China
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111
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Bandiera S, Pfeffer S, Baumert TF, Zeisel MB. miR-122--a key factor and therapeutic target in liver disease. J Hepatol 2015; 62:448-57. [PMID: 25308172 DOI: 10.1016/j.jhep.2014.10.004] [Citation(s) in RCA: 427] [Impact Index Per Article: 47.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/08/2014] [Revised: 09/26/2014] [Accepted: 10/02/2014] [Indexed: 02/06/2023]
Abstract
Being the largest internal organ of the human body with the unique ability of self-regeneration, the liver is involved in a wide variety of vital functions that require highly orchestrated and controlled biochemical processes. Increasing evidence suggests that microRNAs (miRNAs) are essential for the regulation of liver development, regeneration and metabolic functions. Hence, alterations in intrahepatic miRNA networks have been associated with liver disease including hepatitis, steatosis, cirrhosis and hepatocellular carcinoma (HCC). miR-122 is the most frequent miRNA in the adult liver, and a central player in liver biology and disease. Furthermore, miR-122 has been shown to be an essential host factor for hepatitis C virus (HCV) infection and an antiviral target, complementary to the standard of care using direct-acting antivirals or interferon-based treatment. This review summarizes our current understanding of the key role of miR-122 in liver physiology and disease, highlighting its role in HCC and viral hepatitis. We also discuss the perspectives of miRNA-based therapeutic approaches for viral hepatitis and liver disease.
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Affiliation(s)
- Simonetta Bandiera
- Inserm, U1110, Institut de Recherche sur les Maladies Virales et Hépatiques, Strasbourg, France; Université de Strasbourg, Strasbourg, France
| | - Sébastien Pfeffer
- Université de Strasbourg, Strasbourg, France; Architecture et Réactivité de l'ARN - UPR 9002, Institut de Biologie Moléculaire et Cellulaire du CNRS, Strasbourg, France
| | - Thomas F Baumert
- Inserm, U1110, Institut de Recherche sur les Maladies Virales et Hépatiques, Strasbourg, France; Université de Strasbourg, Strasbourg, France; Institut Hospitalo-Universitaire, Pôle Hépato-digestif, Hôpitaux Universitaires de Strasbourg, Strasbourg, France.
| | - Mirjam B Zeisel
- Inserm, U1110, Institut de Recherche sur les Maladies Virales et Hépatiques, Strasbourg, France; Université de Strasbourg, Strasbourg, France.
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112
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Braoudaki M, Lambrou GI, Giannikou K, Milionis V, Stefanaki K, Birks DK, Prodromou N, Kolialexi A, Kattamis A, Spiliopoulou CA, Tzortzatou-Stathopoulou F, Kanavakis E. Microrna expression signatures predict patient progression and disease outcome in pediatric embryonal central nervous system neoplasms. J Hematol Oncol 2014; 7:96. [PMID: 25551588 PMCID: PMC4342799 DOI: 10.1186/s13045-014-0096-y] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2014] [Accepted: 12/12/2014] [Indexed: 02/07/2023] Open
Abstract
Background Although, substantial experimental evidence related to diagnosis and treatment of pediatric central nervous system (CNS) neoplasms have been demonstrated, the understanding of the etiology and pathogenesis of the disease remains scarce. Recent microRNA (miRNA)-based research reveals the involvement of miRNAs in various aspects of CNS development and proposes that they might compose key molecules underlying oncogenesis. The current study evaluated miRNA differential expression detected between pediatric embryonal brain tumors and normal controls to characterize candidate biomarkers related to diagnosis, prognosis and therapy. Methods Overall, 19 embryonal brain tumors; 15 Medulloblastomas (MBs) and 4 Atypical Teratoid/Rabdoid Tumors (AT/RTs) were studied. As controls, 13 samples were used; The First-Choice Human Brain Reference RNA and 12 samples from deceased children who underwent autopsy and were not present with any brain malignancy. RNA extraction was carried out using the Trizol method, whilst miRNA extraction was performed with the mirVANA miRNA isolation kit. The experimental approach included miRNA microarrays covering 1211 miRNAs. Quantitative Real-Time Polymerase Chain Reaction was performed to validate the expression profiles of miR-34a and miR-601 in all 32 samples initially screened with miRNA microarrays and in an additional independent cohort of 30 patients (21MBs and 9 AT/RTs). Moreover, meta-analyses was performed in total 27 embryonal tumor samples; 19 MBs, 8 ATRTs and 121 control samples. Twelve germinomas were also used as an independent validation cohort. All deregulated miRNAs were correlated to patients’ clinical characteristics and pathological measures. Results In several cases, there was a positive correlation between individual miRNA expression levels and laboratory or clinical characteristics. Based on that, miR-601 could serve as a putative tumor suppressor gene, whilst miR-34a as an oncogene. In general, miR-34a demonstrated oncogenic roles in all pediatric embryonal CNS neoplasms studied. Conclusions Deeper understanding of the aberrant miRNA expression in pediatric embryonal brain tumors might aid in the development of tumor-specific miRNA signatures, which could potentially afford promising biomarkers related to diagnosis, prognosis and patient targeted therapy. Electronic supplementary material The online version of this article (doi:10.1186/s13045-014-0096-y) contains supplementary material, which is available to authorized users.
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McGill MR, Jaeschke H. Mechanistic biomarkers in acetaminophen-induced hepatotoxicity and acute liver failure: from preclinical models to patients. Expert Opin Drug Metab Toxicol 2014; 10:1005-17. [PMID: 24836926 DOI: 10.1517/17425255.2014.920823] [Citation(s) in RCA: 82] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
INTRODUCTION Drug hepatotoxicity is a major clinical issue. Acetaminophen (APAP) overdose is especially common. Serum biomarkers used to follow patient progress reflect either liver injury or function, but focus on biomarkers that can provide insight into the basic mechanisms of hepatotoxicity is increasing and enabling us to translate mechanisms of toxicity from animal models into humans. AREAS COVERED We review recent advances in mechanistic serum biomarker research in drug hepatotoxicity. Specifically, biomarkers for reactive drug intermediates, mitochondrial dysfunction, nuclear DNA damage, mode of cell death and inflammation are discussed, as well as microRNAs. Emphasis is placed on APAP-induced liver injury. EXPERT OPINION Several serum biomarkers of reactive drug intermediates, mitochondrial damage, nuclear DNA damage, apoptosis and necrosis and inflammation have been described. These studies have provided evidence that mitochondrial damage is critical in APAP hepatotoxicity in humans, while apoptosis has only a minor role, and inflammation is important for recovery and regeneration after APAP overdose. Additionally, mechanistic serum biomarkers have been shown to predict outcome as well as, or better than, some clinical scores. In the future, such biomarkers will help determine the need for liver transplantation and, with improved understanding of the human pathophysiology, identify novel therapeutic targets.
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Affiliation(s)
- Mitchell R McGill
- University of Kansas Medical Center, Department of Pharmacology, Toxicology and Therapeutics , 3901 Rainbow Blvd, MS 1018, Kansas City, KS 66160 , USA +1 913 588 7969 ; +1 913 588 7501 ;
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