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Abstract
BACKGROUND Autoimmune hepatitis has an unknown cause and genetic associations that are not disease-specific or always present. Clarification of its missing causality and heritability could improve prevention and management strategies. AIMS Describe the key epigenetic and genetic mechanisms that could account for missing causality and heritability in autoimmune hepatitis; indicate the prospects of these mechanisms as pivotal factors; and encourage investigations of their pathogenic role and therapeutic potential. METHODS English abstracts were identified in PubMed using multiple key search phases. Several hundred abstracts and 210 full-length articles were reviewed. RESULTS Environmental induction of epigenetic changes is the prime candidate for explaining the missing causality of autoimmune hepatitis. Environmental factors (diet, toxic exposures) can alter chromatin structure and the production of micro-ribonucleic acids that affect gene expression. Epistatic interaction between unsuspected genes is the prime candidate for explaining the missing heritability. The non-additive, interactive effects of multiple genes could enhance their impact on the propensity and phenotype of autoimmune hepatitis. Transgenerational inheritance of acquired epigenetic marks constitutes another mechanism of transmitting parental adaptations that could affect susceptibility. Management strategies could range from lifestyle adjustments and nutritional supplements to precision editing of the epigenetic landscape. CONCLUSIONS Autoimmune hepatitis has a missing causality that might be explained by epigenetic changes induced by environmental factors and a missing heritability that might reflect epistatic gene interactions or transgenerational transmission of acquired epigenetic marks. These unassessed or under-evaluated areas warrant investigation.
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Czaja AJ. Epigenetic Aspects and Prospects in Autoimmune Hepatitis. Front Immunol 2022; 13:921765. [PMID: 35844554 PMCID: PMC9281562 DOI: 10.3389/fimmu.2022.921765] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2022] [Accepted: 05/12/2022] [Indexed: 12/12/2022] Open
Abstract
The observed risk of autoimmune hepatitis exceeds its genetic risk, and epigenetic factors that alter gene expression without changing nucleotide sequence may help explain the disparity. Key objectives of this review are to describe the epigenetic modifications that affect gene expression, discuss how they can affect autoimmune hepatitis, and indicate prospects for improved management. Multiple hypo-methylated genes have been described in the CD4+ and CD19+ T lymphocytes of patients with autoimmune hepatitis, and the circulating micro-ribonucleic acids, miR-21 and miR-122, have correlated with laboratory and histological features of liver inflammation. Both epigenetic agents have also correlated inversely with the stage of liver fibrosis. The reduced hepatic concentration of miR-122 in cirrhosis suggests that its deficiency may de-repress the pro-fibrotic prolyl-4-hydroxylase subunit alpha-1 gene. Conversely, miR-155 is over-expressed in the liver tissue of patients with autoimmune hepatitis, and it may signify active immune-mediated liver injury. Different epigenetic findings have been described in diverse autoimmune and non-autoimmune liver diseases, and these changes may have disease-specificity. They may also be responses to environmental cues or heritable adaptations that distinguish the diseases. Advances in epigenetic editing and methods for blocking micro-ribonucleic acids have improved opportunities to prove causality and develop site-specific, therapeutic interventions. In conclusion, the role of epigenetics in affecting the risk, clinical phenotype, and outcome of autoimmune hepatitis is under-evaluated. Full definition of the epigenome of autoimmune hepatitis promises to enhance understanding of pathogenic mechanisms and satisfy the unmet clinical need to improve therapy for refractory disease.
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Affiliation(s)
- Albert J. Czaja
- *Correspondence: Albert J. Czaja, ; orcid.org/0000-0002-5024-3065
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Czaja AJ. Examining micro-ribonucleic acids as diagnostic and therapeutic prospects in autoimmune hepatitis. Expert Rev Clin Immunol 2022; 18:591-607. [PMID: 35510750 DOI: 10.1080/1744666x.2022.2074839] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
INTRODUCTION Micro-ribonucleic acids modulate the immune response by affecting the post-transcriptional expression of genes that influence the proliferation and function of activated immune cells, including regulatory T cells. Individual expressions or patterns in peripheral blood and liver tissue may have diagnostic value, reflect treatment response, or become therapeutic targets. The goals of this review are to present the properties and actions of micro-ribonucleic acids, indicate the key individual expressions in autoimmune hepatitis, and describe prospective clinical applications in diagnosis and management. AREAS COVERED Abstracts were identified in PubMed using the search words "microRNAs", "microRNAs in liver disease", and "microRNAs in autoimmune hepatitis". The number of abstracts reviewed exceeded 2000, and the number of full-length articles reviewed was 108. EXPERT OPINION Individual micro-ribonucleic acids, miR-21, miR-122, and miR-155, have been associated with biochemical severity, histological grade of inflammation, and pivotal pathogenic mechanisms in autoimmune hepatitis. Antisense oligonucleotides that down-regulate deleterious individual gene expressions, engineered molecules that impair targeting of gene products, and drugs that non-selectively up-regulate the biogenesis of potentially deficient gene regulators are feasible treatment options. Micro-ribonucleic acids constitute an under-evaluated area in autoimmune hepatitis that promises to improve diagnosis, pathogenic concepts, and therapy.
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Affiliation(s)
- Albert J Czaja
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota, USA
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Wojtusik J, Curry E, Roth TL. Rhinoceros Serum microRNAs: Identification, Characterization, and Evaluation of Potential Iron Overload Biomarkers. Front Vet Sci 2021; 8:711576. [PMID: 34977204 PMCID: PMC8716540 DOI: 10.3389/fvets.2021.711576] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Accepted: 11/17/2021] [Indexed: 11/13/2022] Open
Abstract
Iron overload disorder (IOD) in critically endangered Sumatran (Dicerorhinus sumatrensis) and black (Diceros bicornis) rhinoceros is an over-accumulation of iron in organs which may exacerbate other diseases and indicate metabolic disturbances. IOD in rhinos is not well understood and diagnostics and therapeutics are limited in effectiveness. MicroRNAs (miRNAs) are small non-coding RNAs capable of altering protein synthesis. miRNA expression responds to physiological states and could serve as the basis for development of diagnostics and therapeutics. This study aimed to identify miRNAs differentially expressed among healthy rhinos and those afflicted with IOD or other diseases ("unhealthy"), and assess expression of select miRNAs to evaluate their potential as biomarkers of IOD. miRNAs in serum of black (n = 11 samples; five individuals) and Sumatran (n = 7 samples; four individuals) rhinos, representing individuals categorized as healthy (n = 9), unhealthy (n = 5), and afflicted by IOD (n = 3) were sequenced. In total, 715 miRNAs were identified, of which 160 were novel, 131 were specific to black rhinos, and 108 were specific to Sumatran rhinos. Additionally, 95 miRNAs were specific to healthy individuals, 31 specific to unhealthy, and 63 were specific to IOD individuals. Among healthy, unhealthy, and IOD states, 21 miRNAs were differentially expressed (P ≤ 0.01). Five known miRNAs (let-7g, miR-16b, miR-30e, miR-143, and miR-146a) were selected for further assessment via RT-qPCR in serum from black (n = 61 samples; seven individuals) and Sumatran (n = 38 samples; five individuals) rhinos. let-7g, miR-30e, and miR-143 all showed significant increased expression (P ≤ 0.05) during IOD (between 1 and 2 years prior to death) and late IOD (within 1 year of death) compared to healthy and unhealthy individuals. miR-16b expression increased (P ≤ 0.05) in late IOD, but was not different among IOD, healthy, and unhealthy states (P > 0.05). Expression of miR-146a increased in IOD and late IOD as compared to unhealthy samples (P ≤ 0.05) but was not different from the healthy state (P > 0.05). Selected serum miRNAs of black and Sumatran rhinos, in particular let-7g, miR-30e, and miR-143, could therefore provide a tool for advancing rhino IOD diagnostics that should be further investigated.
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Affiliation(s)
- Jessye Wojtusik
- Center for Conservation and Research of Endangered Wildlife (CREW), Cincinnati Zoo and Botanical Garden, Cincinnati, OH, United States
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Tadokoro T, Morishita A, Masaki T. Diagnosis and Therapeutic Management of Liver Fibrosis by MicroRNA. Int J Mol Sci 2021; 22:8139. [PMID: 34360904 PMCID: PMC8347497 DOI: 10.3390/ijms22158139] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 07/23/2021] [Accepted: 07/23/2021] [Indexed: 02/07/2023] Open
Abstract
Remarkable progress has been made in the treatment and control of hepatitis B and C viral infections. However, fundamental treatments for diseases in which liver fibrosis is a key factor, such as cirrhosis, alcoholic/nonalcoholic steatohepatitis, autoimmune hepatitis, primary biliary cholangitis, and primary sclerosing cholangitis, are still under development and remain an unmet medical need. To solve this problem, it is essential to elucidate the pathogenesis of liver fibrosis in detail from a molecular and cellular perspective and to develop targeted therapeutic agents based on this information. Recently, microRNAs (miRNAs), functional RNAs of 22 nucleotides, have been shown to be involved in the pathogenesis of liver fibrosis. In addition, extracellular vesicles called "exosomes" have been attracting attention, and research is being conducted to establish noninvasive and extremely sensitive biomarkers using miRNAs in exosomes. In this review, we summarize miRNAs directly involved in liver fibrosis, miRNAs associated with diseases leading to liver fibrosis, and miRNAs related to complications of cirrhosis. We will also discuss the efficacy of each miRNA as a biomarker of liver fibrosis and pathology, and its potential application as a therapeutic agent.
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Affiliation(s)
| | - Asahiro Morishita
- Department of Gastroenterology and Neurology, Faculty of Medicine, Kagawa University, Kagawa 761-0793, Japan; (T.T.); (T.M.)
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Cadamuro M, Lasagni A, Lamarca A, Fouassier L, Guido M, Sarcognato S, Gringeri E, Cillo U, Strazzabosco M, Marin JJ, Banales JM, Fabris L. Targeted therapies for extrahepatic cholangiocarcinoma: preclinical and clinical development and prospects for the clinic. Expert Opin Investig Drugs 2021; 30:377-388. [PMID: 33622120 DOI: 10.1080/13543784.2021.1880564] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Introduction: Until recently, cholangiocarcinoma (CCA) was a largely overlooked disease, and among CCAs, extrahepatic CCA (eCCA) was even more neglected. Despite the growing impact of molecularly targeted therapies and immunotherapy, prognosis of eCCA is dismal. Therefore, unraveling the complex molecular landscape of eCCA has become an urgent need. Deep phenotyping studies have revealed that eCCA is a heterogeneous tumor, harboring specific alterations categorizable into four classes, 'Mesenchymal', 'Proliferation', 'Immune', 'Metabolic'. Molecular alterations convey the activation of several pro-oncogenic pathways, where either actionable drivers or outcome predictors can be identified.Areas covered: We offer insights on perturbed pathways, molecular profiling, and actionable targets in eCCA and present a perspective on the potential stepping-stones to future progress. A systematic literature search in PubMed/ClinicalTrials.gov websites was performed by authors from different disciplines according to their specific topic knowledge to identify the newest and most relevant advances in precision medicine of eCCA.Expert opinion: eCCA is a distinct entity with unique features in terms of molecular classes, oncogenic drivers, and tumor microenvironment. Since more prevalent mutations are currently undruggable, and immunotherapy can be offered only to a minority of patients, international collaborations are instrumental to improve the understanding of the molecular underpins of this disease.
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Affiliation(s)
- Massimiliano Cadamuro
- Department of Molecular Medicine (DMM), University of Padua, Padua. Italy.,International Center for Digestive Health (ICDH), University of Milan-Bicocca, Milan, Italy
| | - Alberto Lasagni
- Division of General Medicine, Padua University-Hospital, Padua, Italy
| | - Angela Lamarca
- Department of Medical Oncology, The Christie NHS Foundation, Manchester, United Kingdom.,Division of Cancer Sciences, University of Manchester, Manchester, United Kingdom
| | - Laura Fouassier
- Sorbonne Université, Inserm, Centre de Recherche Saint-Antoine (CRSA), Paris, France
| | - Maria Guido
- Department of Pathology, Azienda ULSS2 Marca Trevigiana, Treviso, Italy.,Department of Medicine (DIMED), University of Padua, Padua, Italy
| | - Samantha Sarcognato
- Department of Pathology, Azienda ULSS2 Marca Trevigiana, Treviso, Italy.,Department of Medicine (DIMED), University of Padua, Padua, Italy
| | - Enrico Gringeri
- Hepatobiliary Surgery and Liver Transplantation, Padua University-Hospital, Padua, Italy.,Department of Surgery, Oncology and Gastroenterology (DISCOG), University of Padua, Padua, Italy
| | - Umberto Cillo
- Hepatobiliary Surgery and Liver Transplantation, Padua University-Hospital, Padua, Italy.,Department of Surgery, Oncology and Gastroenterology (DISCOG), University of Padua, Padua, Italy
| | - Mario Strazzabosco
- International Center for Digestive Health (ICDH), University of Milan-Bicocca, Milan, Italy.,Digestive Disease Section, Liver Center, Yale University, New Haven, CT, US
| | - Jose Jg Marin
- Experimental Hepatology and Drug Targeting (HEVEPHARM), IBSAL, CIBERehd, University of Salamanca, Salamanca, Spain
| | - Jesus M Banales
- Department of Liver and Gastrointestinal Diseases, Biodonostia Health Research Institute - Donostia University Hospital -, University of the Basque Country (UPV/EHU), CIBERehd, Ikerbasque, San Sebastian, Spain
| | - Luca Fabris
- Department of Molecular Medicine (DMM), University of Padua, Padua. Italy.,International Center for Digestive Health (ICDH), University of Milan-Bicocca, Milan, Italy.,Division of General Medicine, Padua University-Hospital, Padua, Italy.,Digestive Disease Section, Liver Center, Yale University, New Haven, CT, US
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Hukowska-Szematowicz B, Maciejak-Jastrzębska A, Blatkiewicz M, Maciak K, Góra M, Janiszewska J, Burzyńska B. Changes in MicroRNA Expression during Rabbit Hemorrhagic Disease Virus (RHDV) Infection. Viruses 2020; 12:v12090965. [PMID: 32878241 PMCID: PMC7552042 DOI: 10.3390/v12090965] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Revised: 08/26/2020] [Accepted: 08/30/2020] [Indexed: 01/25/2023] Open
Abstract
Current knowledge on the role of microRNAs (miRNAs) in rabbit hemorrhagic disease virus (RHDV) infection and the pathogenesis of rabbit hemorrhagic disease (RHD) is still limited. RHDV replicates in the liver, causing hepatic necrosis and liver failure. MiRNAs are a class of short RNA molecules, and their expression profiles vary over the course of diseases, both in the tissue environment and in the bloodstream. This paper evaluates the expression of miRNAs in the liver tissue (ocu-miR-122-5p, ocu-miR-155-5p, and ocu-miR-16b-5p) and serum (ocu-miR-122-5p) of rabbits experimentally infected with RHDV. The expression levels of ocu-miR-122-5p, ocu-miR-155-5p, and ocu-miR-16b-5p in liver tissue were determined using reverse transcription quantitative real-time PCR (RT-qPCR), and the expression level of circulating ocu-miR-122-5p was established using droplet digital PCR (ddPCR). The expression levels of ocu-miR-155-5p and ocu-miR-16b-5p were significantly higher in the infected rabbits compared to the healthy rabbits (a fold-change of 5.8 and 2.5, respectively). The expression of ocu-miR-122-5p was not significantly different in the liver tissue from the infected rabbits compared to the healthy rabbits (p = 0.990), while the absolute expression level of the circulating ocu-miR-122-5p was significantly higher in the infected rabbits than in the healthy rabbits (p < 0.0001). Furthermore, a functional analysis showed that ocu-miR-155-5p, ocu-miR-16b-5p, and ocu-miR-122-5p can regulate the expression of genes involved in processes correlated with acute liver failure (ALF) in rabbits. Search tool for the retrieval of interacting genes/proteins (STRING) analysis showed that the potential target genes of the three selected miRNAs may interact with each other in different pathways. The results indicate the roles of these miRNAs in RHDV infection and over the course of RHD and may reflect hepatic inflammation and impairment/dysfunction in RHD.
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Affiliation(s)
- Beata Hukowska-Szematowicz
- Institute of Biology, University of Szczecin, 71-412 Szczecin, Poland
- Molecular Biology and Biotechnology Center, University of Szczecin, 71-412 Szczecin, Poland
- Correspondence: ; Tel.: +48-914441592
| | - Agata Maciejak-Jastrzębska
- Department of Clinical Chemistry and Laboratory Diagnostics, Medical University of Warsaw, 02-091 Warsaw, Poland;
| | | | - Karolina Maciak
- Institute of Biochemistry and Biophysics, Polish Academy of Sciences, 02-106 Warsaw, Poland; (K.M.); (M.G.); (B.B.)
| | - Monika Góra
- Institute of Biochemistry and Biophysics, Polish Academy of Sciences, 02-106 Warsaw, Poland; (K.M.); (M.G.); (B.B.)
| | - Joanna Janiszewska
- Institute of Human Genetics, Polish Academy of Sciences, 60-479 Poznan, Poland;
| | - Beata Burzyńska
- Institute of Biochemistry and Biophysics, Polish Academy of Sciences, 02-106 Warsaw, Poland; (K.M.); (M.G.); (B.B.)
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Takahashi K, Koyama K, Ota Y, Iwamoto H, Yamakita K, Fujii S, Kitano Y. The Interaction Between Long Non-coding RNA HULC and MicroRNA-622 via Transfer by Extracellular Vesicles Regulates Cell Invasion and Migration in Human Pancreatic Cancer. Front Oncol 2020; 10:1013. [PMID: 32656089 PMCID: PMC7324724 DOI: 10.3389/fonc.2020.01013] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2020] [Accepted: 05/21/2020] [Indexed: 12/13/2022] Open
Abstract
Although non-coding RNAs (ncRNAs) are involved in disease pathogenesis, their contributions to pancreatic ductal adenocarcinoma (PDAC) remain unclear. Recently, the interrelationship between two classes of ncRNA, long non-coding RNAs (lncRNAs), and microRNAs (miRNAs), has been reported to contribute to the epigenetic regulation of gene expression in several diseases including cancers. Moreover, some ncRNAs can be transferred by extracellular vesicles (EVs) from their donor cells to recipient cells. We previously verified that lncRNA HULC is up-regulated in PDAC cells and the intercellular transfer of HULC by EVs can promote PDAC cell invasion and migration through the induction of epithelial–mesenchymal transition (EMT). Therefore, we identified the miRNA that could target HULC and investigated the functional contributions of the miRNA–HULC interaction and EV transfer of miRNA to the EMT pathway in PDAC. Microarray analysis revealed 187 miRNAs that were decreased to <0.87-fold in Panc-1 cells treated with TGF-β compared with the control. Of these, miR-622 was predicted to target HULC directly by bioinformatics analysis. Expression of miR-622 was significantly down-regulated by TGF-β in a panel of PDAC cells. miR-622 overexpression by a miRNA mimic significantly decreased HULC expression, increased E-cadherin expression, and decreased expression of Snail, N-cadherin, and vimentin. Moreover, overexpression of miR-622 significantly reduced cell invasion and migration whereas inhibition of miR-622 increased HULC expression and promoted EMT signaling, invasion, and migration of PDAC cells. Furthermore, incubation with miR-622-overexpressing EVs could transfer miR-622, which significantly elevated miR-622 expression and decreased cell invasion and migration via inhibition of the EMT pathway in recipient PDAC cells. These results provide mechanistic insights into the development of PDAC by demonstrating that miR-622, as a miRNA downregulated by TGF-β, could target HULC and suppress invasion and migration by inhibiting EMT signaling via EV transfer. These observations may identify EV-encapsulated miRNA as a novel therapeutic target for human PDAC.
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Affiliation(s)
- Kenji Takahashi
- Division of Metabolism and Biosystemic Science, Department of Medicine, Asahikawa Medical University, Asahikawa, Japan
| | - Kazuya Koyama
- Division of Metabolism and Biosystemic Science, Department of Medicine, Asahikawa Medical University, Asahikawa, Japan
| | - Yu Ota
- Division of Metabolism and Biosystemic Science, Department of Medicine, Asahikawa Medical University, Asahikawa, Japan
| | - Hidetaka Iwamoto
- Division of Metabolism and Biosystemic Science, Department of Medicine, Asahikawa Medical University, Asahikawa, Japan
| | - Keisuke Yamakita
- Division of Metabolism and Biosystemic Science, Department of Medicine, Asahikawa Medical University, Asahikawa, Japan
| | - Satoshi Fujii
- Department of Laboratory Medicine, Asahikawa Medical University, Asahikawa, Japan
| | - Yohei Kitano
- Division of Metabolism and Biosystemic Science, Department of Medicine, Asahikawa Medical University, Asahikawa, Japan
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Cai W, Feng H, Yin L, Wang M, Jiang X, Qin Z, Liu W, Li C, Jiang H, Weizmann Y, Wang X. Bio responsive self-assembly of Au-miRNAs for targeted cancer theranostics. EBioMedicine 2020; 54:102740. [PMID: 32276223 PMCID: PMC7139156 DOI: 10.1016/j.ebiom.2020.102740] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2020] [Revised: 03/13/2020] [Accepted: 03/13/2020] [Indexed: 12/13/2022] Open
Abstract
Background MicroRNA (miRNA) therapeutics are a promising approach to cancer treatment. However, this method faces considerable challenges to achieve tissue-specific, efficient, and safe delivery of miRNAs in vivo. Methods Herein, we developed a miRNA delivery system based on the in situ self-assembly of Au-miRNA nanocomplexes (Au-miRNA NCs). Within the cancer microenvironment, we constructed in situ self-assembled Au-miRNA NCs by coincubating gold salt and tumor suppressor mimics, such as let-7a, miRNA-34a, and miRNA-200a. Findings The in vitro experiments demonstrated that characteristic in situ self-assembled Au-miRNA NCs were present in cancer cells and can be taken up to inhibit the proliferation of cancer cells effectively. Most importantly, as proven in subcutaneous tumor treatment models, Au-miRNA NCs were especially useful for accurate target imaging and tumor suppression, with significantly enhanced antitumor effects for combination therapy. Interpretation These observations highlight that a new strategy for the in situ biosynthesis of Au-let-7a NCs, Au-miR-34a NCs, and Au-miR-200a NCs is feasible, and this may assist in the delivery of more miRNA to tumor cells for cancer treatment. This work opens up new opportunities for the development of miRNA tumor therapy strategies. Funding National Natural Science Foundation of China (91753106); Primary Research & Development Plan of Jiangsu Province (BE2019716); National Key Research and Development Program of China (2017YFA0205300).
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Affiliation(s)
- Weijuan Cai
- State Key Laboratory of Bioelectronics (Chien-Shiung Wu Lab), School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China; Shunde Hospital of Southern Medical University, Shunde 528300, China
| | - Huan Feng
- State Key Laboratory of Bioelectronics (Chien-Shiung Wu Lab), School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Liang Yin
- Shunde Hospital of Southern Medical University, Shunde 528300, China
| | - Maonan Wang
- State Key Laboratory of Bioelectronics (Chien-Shiung Wu Lab), School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Xuerui Jiang
- State Key Laboratory of Bioelectronics (Chien-Shiung Wu Lab), School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Zhaojian Qin
- State Key Laboratory of Bioelectronics (Chien-Shiung Wu Lab), School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Weiwei Liu
- State Key Laboratory of Bioelectronics (Chien-Shiung Wu Lab), School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Chunmei Li
- State Key Laboratory of Bioelectronics (Chien-Shiung Wu Lab), School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Hui Jiang
- State Key Laboratory of Bioelectronics (Chien-Shiung Wu Lab), School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Yossi Weizmann
- Department of Chemistry, Ben-Gurion University of the Negev, Beer Sheva 8410501, Israel.
| | - Xuemei Wang
- State Key Laboratory of Bioelectronics (Chien-Shiung Wu Lab), School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China.
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Nanotechnology, in silico and endocrine-based strategy for delivering paclitaxel and miRNA: Prospects for the therapeutic management of breast cancer. Semin Cancer Biol 2019; 69:109-128. [PMID: 31891780 DOI: 10.1016/j.semcancer.2019.12.022] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2019] [Revised: 12/06/2019] [Accepted: 12/25/2019] [Indexed: 02/07/2023]
Abstract
Breast cancer is one of the most prevalent and reoccurring cancers and the second most common reason of death in women. Despite advancements in therapeutic strategies for breast cancer, early tumor recurrence and metastasis in patients indicate resistance to chemotherapeutic medicines, such as paclitaxel due to the abnormal expression of ER and EGF2 in breast cancer cells. Therefore, the development of alternatives to paclitaxel is urgently needed to overcome challenges involving drug resistance. An increasing number of studies has revealed miRNAs as novel natural alternative substances that play a crucial role in regulating several physiological processes and have a close, adverse association with several diseases, including breast cancer. Due to the therapeutic potential of miRNA and paclitaxel in cancer research, the current review focuses on the differential roles of various miRNAs in breast cancer development and treatment. miRNA delivery to a specific target site, the development of paclitaxel and miRNA formulations, and nanotechnological strategies for the delivery of nanopaclitaxel in the management of breast cancer are discussed. These strategies involve improving the cellular uptake and bioavailability and reducing the toxicity of free paclitaxel to achieve accumulation tumor site. Furthermore, a molecular docking study was performed to ascertain the enhanced anticancer activity of the nanoformulation of ANG1005 and Abraxane. An in silico analysis revealed that ANG1005 and Abraxane nanoformulations have superior and significantly enhanced interactions with the proteins α-tubulin and Bcl-2. Therefore, ANG1005 and Abraxane may be more suitable in the therapeutic management of breast cancer than the existing free paclitaxel. miRNAs can revert abnormal gene expression to normalcy; since miRNAs serve as tumor suppressors. Therefore, restoration of particular miRNAs levels as a replacement therapy may be an effective endocrine potential strategy for treating ER positive/ negative breast cancers.
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Zan T, Piao L, Yang X, Gu Y, Liu B. Downregulation of microRNA-124 prevents the development of acute liver failure through the upregulation of PIM-3. Exp Physiol 2019; 105:108-119. [PMID: 31628693 DOI: 10.1113/ep087963] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2019] [Accepted: 10/17/2019] [Indexed: 12/16/2022]
Abstract
NEW FINDINGS • What is the central question of this study? Does miR-124 affect cell proliferation and apoptosis in acute liver failure (ALF) mice? • What is the main finding and its importance? Inhibiting miR-124 targets PIM-3 and thus upregulates its expression, consequently inhibiting liver cell apoptosis and promoting cell proliferation, ultimately preventing the progression of ALF. This highlights a promising competitive new target for ALF treatment. ABSTRACT Acute liver failure (ALF) is a complicated syndrome frequently leading to dysfunction and failure of various organs. MicroRNAs (miRNAs) have played crucial roles in the development and progression of human diseases, including ALF. However, the potential role of miR-124 in ALF still remains elusive. Thus, we investigated the underlying mechanism by which miR-124 influences ALF in a mouse model of ALF. Initially, ALF mouse models were established using d-galactosamine and lipopolysaccharide. Then we detected the serum biochemical parameters of liver, and pathological characteristics and ultrastructure of liver tissues. Next, we determined miR-124 and PIM-3 expression in liver tissues and cells using RT-qPCR and western blot analysis. The interaction between miR-124 and PIM-3 was identified using the dual luciferase reporter gene assay. Subsequently, expression of miR-124 and PIM-3 in liver cells was altered to explore their effects on primary liver cell proliferation, the cell cycle and apoptosis. The results obtained showed that ALF mice exhibited a decreased cholinesterase level with increased levels of alanine aminotransferase, aspartate transaminase and total bilirubin as well as abundant liver cell apoptosis and necrosis. miR-124 was upregulated while PIM-3 was downregulated in ALF tissues and cells. Besides, the PIM-3 gene was a target of miR-124 and was inhibited by miR-124. Overexpression of miR-124 or silencing of PIM-3 reduced Bcl-2 expression but elevated tumour necrosis factor α expression, and resulted in a reduction in liver cell proliferation but an increase in cell apoptosis in ALF mice. Altogether, miR-124 functions as a disease-promoting miRNA with potential in stimulating ALF by targeting PIM-3.
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Affiliation(s)
- Tao Zan
- Department of Intensive Care Unit, the First Hospital of Jilin University, Changchun, 130021, P.R. China
| | - Li Piao
- Department of Gynecology, the First Hospital of Jilin University, Changchun, 130021, P.R. China
| | - Xueqin Yang
- Department of Traditional Chinese Medicine, the First Hospital of Jilin University, Changchun, 130021, P.R. China
| | - Yue Gu
- Department of Hepatopancreatobiliary Surgery, the First Hospital of Jilin University, Changchun, 130021, P.R. China
| | - Baohua Liu
- Department of Emergency, the First Hospital of Jilin University, Changchun, 130021, P.R. China
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12
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Elfar M, Amleh A. miR-590-3p and Its Downstream Target Genes in HCC Cell Lines. Anal Cell Pathol (Amst) 2019; 2019:3234812. [PMID: 31781476 PMCID: PMC6875279 DOI: 10.1155/2019/3234812] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2019] [Accepted: 09/17/2019] [Indexed: 12/24/2022] Open
Abstract
miRNAs are small non-coding RNA sequences of 18-25 nucleotides. They can regulate different cellular pathways by acting on tumor suppressors, oncogenes, or both. miRNAs are mostly tissue-specific, and their expression varies depending on the cancer or the tissue in which they are found. hsa-miR-590-3p was found to be involved in several types of cancers. In this study, we identified potential downstream target genes of hsa-miR-590-3p computationally. Several bioinformatics tools and more than one approach were used to identify potential downstream target genes of hsa-miR-590-3p. CX3CL1, SOX2, N-cadherin, E-cadherin, and FOXA2 were utilized as potential downstream target genes of hsa-miR-590-3p. SNU449 and HepG2, hepatocellular carcinoma cell lines, were used to carry out various molecular techniques to further validate our in silico results. mRNA and protein expression levels of these genes were detected using RT-PCR and western blotting, respectively. Co-localization of hsa-miR-590-3p and its candidate downstream target gene, SOX2, was carried out using a miRNA in situ hybridization combined with immunohistochemistry staining through anti-SOX2. The results show that there is an inverse correlation between hsa-miR-590-3p expression and SOX2 protein expression in SNU449. Subsequently, we suggest that SOX2 can be a direct downstream target of has-miR-590-3p indicating that it may have a role in the self-renewal and self-maintenance of cancer cells. We also suggest that CX3CL1, E-cadherin, N-cadherin, and FOXA2 show a lot of potential as downstream target genes of hsa-miR-590-3p signifying its role in epithelial-mesenchymal transition. Studying the expression of hsa-miR-590-3p downstream targets can enrich our understanding of the cancer pathogenesis and how it can be used as a therapeutic tool.
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Affiliation(s)
- Mennatallah Elfar
- Biotechnology Program, The American University in Cairo, Cairo, Egypt
| | - Asma Amleh
- Biotechnology Program, The American University in Cairo, Cairo, Egypt
- Biology Department, The American University in Cairo, Cairo, Egypt
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13
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Sessa F, Salerno M, Di Mizio G, Bertozzi G, Messina G, Tomaiuolo B, Pisanelli D, Maglietta F, Ricci P, Pomara C. Anabolic Androgenic Steroids: Searching New Molecular Biomarkers. Front Pharmacol 2018; 9:1321. [PMID: 30524281 PMCID: PMC6256094 DOI: 10.3389/fphar.2018.01321] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2018] [Accepted: 10/29/2018] [Indexed: 12/14/2022] Open
Abstract
Even if anabolic androgenic steroid (AAS) abuse is clearly associated with a wide spectrum of collateral effects, adolescents and athletes frequently use a large group of synthetic derivatives of testosterone, both for aesthetic uses and for improving performance. Over the last few years, the development of MicroRNA (miRNA) technologies has become an essential part of research projects and their role as potential molecular biomarkers is being investigated by the scientific community. The circulating miRNAs detection as a diagnostic or prognostic tool for the diagnosis and treatment of several diseases is very useful, because with a minimal quantity of sample (peripheral blood), miRNAs are very sensitive. Even more, miRNAs remain stable both at room temperature and during freeze-thaw cycles. These characteristics highlight the important role of miRNAs in the near future as new tools for anti-doping. The article provides a systematic review and meta-analysis on the role of miRNAs as new potential molecular biomarkers of AAS use/abuse. Particularly, this paper analyzed the “miRNA signature” use as biomarkers for health disorders, focusing on the organ damages which are related to ASS use/abuse. Moreover, this review aims to provide a future prospect for less invasive or non-invasive procedures for the detection of circulating miRNA biomarkers as doping assumption signaling.
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Affiliation(s)
- Francesco Sessa
- Department of Clinical and Experimental Medicine, University of Foggia, Foggia, Italy
| | - Monica Salerno
- Department of Clinical and Experimental Medicine, University of Foggia, Foggia, Italy
| | - Giulio Di Mizio
- Department of Legal, Historical, Economic and Social Sciences, University of Catanzaro, Catanzaro, Italy
| | - Giuseppe Bertozzi
- Department of Clinical and Experimental Medicine, University of Foggia, Foggia, Italy
| | - Giovanni Messina
- Department of Clinical and Experimental Medicine, University of Foggia, Foggia, Italy
| | - Benedetta Tomaiuolo
- Department of Clinical and Experimental Medicine, University of Foggia, Foggia, Italy
| | - Daniela Pisanelli
- Department of Clinical and Experimental Medicine, University of Foggia, Foggia, Italy
| | - Francesca Maglietta
- Department of Clinical and Experimental Medicine, University of Foggia, Foggia, Italy
| | - Pietrantonio Ricci
- Department of Clinical and Experimental Medicine, University of Foggia, Foggia, Italy.,Medical and Surgical Sciences, University of Catanzaro, Catanzaro, Italy
| | - Cristoforo Pomara
- Department of Medical, Surgical and Advanced Technologies "G.F. Ingrassia", University of Catania, Catania, Italy
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14
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Wei W, Tang H, Tang L. MicroRNA-34a inhibits metastasis in liver cancer cells. Oncol Lett 2018; 16:6960-6965. [PMID: 30546428 PMCID: PMC6256319 DOI: 10.3892/ol.2018.9555] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2016] [Accepted: 06/01/2018] [Indexed: 12/14/2022] Open
Abstract
MicroRNAs (miRNA/miRs) have the ability to target specific mRNAs, resulting in degradation of mRNA or inhibition of translation. Notably, miR-34a is able to regulate cell cycle and tumorigenicity. The level of miR-34a expression is usually low in tumors, and previous studies have indicated miR-34a to be an important tumor suppressor. In order to elucidate the association between miR-34a and metastasis, stable cell lines were established and transfected with miR-34a. Cell invasion assay was subsequently performed. The present study demonstrated that cell invasion was inhibited in cells that were transfected with miR-34a compared with the control group (P<0.05). Therefore, miR-34a was able to inhibit metastasis in liver cancer cells.
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Affiliation(s)
- Wei Wei
- Department of General Surgery, Xiangya Hospital of Central South University, Changsha, Hunan 410008, P.R. China
| | - Huihuan Tang
- Department of General Surgery, Xiangya Hospital of Central South University, Changsha, Hunan 410008, P.R. China
| | - Ling Tang
- Department of Pharmacy, Xiangya Hospital of Central South University, Changsha, Hunan 410008, P.R. China
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15
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Ota Y, Takahashi K, Otake S, Tamaki Y, Okada M, Aso K, Makino Y, Fujii S, Ota T, Haneda M. Extracellular vesicle-encapsulated miR-30e suppresses cholangiocarcinoma cell invasion and migration via inhibiting epithelial-mesenchymal transition. Oncotarget 2018; 9:16400-16417. [PMID: 29662654 PMCID: PMC5893249 DOI: 10.18632/oncotarget.24711] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2017] [Accepted: 02/25/2018] [Indexed: 01/02/2023] Open
Abstract
Early-staged cholangiocarcinoma (CCA) is difficult to diagnose due to its high potential for invasion and metastasis. Epithelial-mesenchymal transition (EMT) is induced by transforming growth factor-β (TGF-β) in a process thought to be important for invasion and metastasis in several cancers, including CCA. Although microRNAs (miRNAs) have been implicated in the pathogenesis of several malignancies, their roles to CCA are not clearly understood. Some miRNAs were reported to be included in extracellular vesicles (EVs) and transferred from their donor cells to other cells, modulating recipient cell behaviors. In this study, the involvement and functional roles of EV-contained miRNAs during EMT in human CCA were determined. Expression profiling identified a subset of miRNAs that were reduced by TGF-β in CCA cells. Among these, miR-30e was highly downregulated by TGF-β and predicted to target Snail, which is an EMT-inducible transcription factor. MiR-30e overexpression suppressed cell invasion and migration via inhibiting EMT, whereas miR-30e inhibition promoted EMT, cell invasion and migration. Moreover, miR-30e was enriched in EVs derived from CCA cells after miR-30e overexpression, and miR-30e intercellular transfer through EVs suppressed EMT, cell invasion and migration in recipient CCA cells. Together, our results suggest that EV-mediated miR-30e transfer could inhibit EMT via directly targeting Snail, which subsequently suppresses CCA cell invasion and migration. These findings provide several new insights into regulatory mechanisms of tumor invasion and metastasis in human CCA.
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Affiliation(s)
- Yu Ota
- Division of Metabolism and Biosystemic Science, Department of Medicine, Asahikawa Medical University, Asahikawa, Hokkaido, Japan
| | - Kenji Takahashi
- Division of Metabolism and Biosystemic Science, Department of Medicine, Asahikawa Medical University, Asahikawa, Hokkaido, Japan
| | - Shin Otake
- Division of Metabolism and Biosystemic Science, Department of Medicine, Asahikawa Medical University, Asahikawa, Hokkaido, Japan
| | - Yosui Tamaki
- Division of Metabolism and Biosystemic Science, Department of Medicine, Asahikawa Medical University, Asahikawa, Hokkaido, Japan
| | - Mitsuyoshi Okada
- Division of Metabolism and Biosystemic Science, Department of Medicine, Asahikawa Medical University, Asahikawa, Hokkaido, Japan
| | - Kazunobu Aso
- Division of Metabolism and Biosystemic Science, Department of Medicine, Asahikawa Medical University, Asahikawa, Hokkaido, Japan
| | - Yuichi Makino
- Division of Metabolism and Biosystemic Science, Department of Medicine, Asahikawa Medical University, Asahikawa, Hokkaido, Japan
| | - Satoshi Fujii
- Department of Laboratory Medicine, Asahikawa Medical University, Asahikawa, Hokkaido, Japan
| | - Tsuguhito Ota
- Division of Metabolism and Biosystemic Science, Department of Medicine, Asahikawa Medical University, Asahikawa, Hokkaido, Japan
| | - Masakazu Haneda
- Division of Metabolism and Biosystemic Science, Department of Medicine, Asahikawa Medical University, Asahikawa, Hokkaido, Japan
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16
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Zhang H, Hiratani M, Nagaoka K, Kawano R. MicroRNA detection at femtomolar concentrations with isothermal amplification and a biological nanopore. NANOSCALE 2017; 9:16124-16127. [PMID: 29043339 DOI: 10.1039/c7nr04215a] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
One of the greatest challenges faced by chemists and biologists is the detection of molecules at extremely low concentrations. This paper describes a method to detect ultra-low concentrations (1 femtomole) of nucleotides using isothermal amplification and a biological nanopore.
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Affiliation(s)
- Haolin Zhang
- Laboratory of Veterinary Physiology, Cooperative Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology, Tokyo 183-8509, Japan
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17
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Zeidler R, de Freitas Soares BL, Bader A, Giri S. Molecular epigenetic targets for liver diseases: current challenges and future prospects. Drug Discov Today 2017; 22:1620-1636. [DOI: 10.1016/j.drudis.2017.07.008] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2016] [Revised: 06/28/2017] [Accepted: 07/18/2017] [Indexed: 02/06/2023]
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18
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Abstract
Virology is probably the most rapidly developing field within clinical laboratory medicine. Adequate diagnostic methods exist for the diagnostics of most acute viral infections. However, emergence of pathogenic viruses or virus strains and new disease associations of known viruses require the establishment of new diagnostic methods, sometimes very rapidly. In the field of chronic or persistent viral diseases, particularly those involving potential of malignant or fatal development, there is a constant need for improved differential diagnostics, monitoring, prognosis and risk assessment. Increasing understanding of disease pathogenesis also enables better patient management and personalized medicine, where companion diagnostics can offer precise and specific tools for individual care. Very often the new tools are offered by molecular diagnostic techniques, and this includes the detection of microRNAs (miRNAs). miRNAs are small regulatory RNA molecules, which regulate the expression of their target genes. They are encoded both by viruses and their host, and both can target either viral or cellular gene expression. In this review the diagnostic possibilities offered by miRNA will be discussed. The focus will be on selected viral and human miRNAs in viral diseases, and examples of miRNAs of putative diagnostic potential will be presented.
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Affiliation(s)
- Eeva Auvinen
- Department of Virology, University of Helsinki and Helsinki University Hospital, Haartmaninkatu 3, POB 21, 00014, Helsinki, Finland.
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19
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Zheng B, Zhu YJ, Wang HY, Chen L. Gender disparity in hepatocellular carcinoma (HCC): multiple underlying mechanisms. SCIENCE CHINA-LIFE SCIENCES 2017; 60:575-584. [PMID: 28547581 DOI: 10.1007/s11427-016-9043-9] [Citation(s) in RCA: 70] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/26/2016] [Accepted: 02/20/2017] [Indexed: 02/07/2023]
Abstract
On the global scale, hepatitis B virus (HBV) infection is the main cause of hepatocellular carcinoma (HCC) especially in regions of Asia where HBV infection is endemic. Epidemiological studies show that the incidence of inflammation-driven HCC in males is three times as high as in females. Recent studies suggest that sex hormones have a crucial role in the pathogenesis and development of HBV-induced HCC. We found that the estrogen/androgen signaling pathway is associated with decreased/increased transcription and replication of HBV genes and can promote the development of HBV infections by up/downregulating HBV RNA transcription and inflammatory cytokines levels, which in turn slow down the progression of HBV-induced HCC. Additionally, sex hormones can also affect HBV-related HCC by inducing epigenetic changes. The evidence that both morphology and function of the human liver are affected by sex hormones was found over 60 years ago. However, the underlying molecular mechanism largely remains to be elucidated. This review focuses mainly on the molecular mechanisms behind the sex difference in HCC associated with HBV and other factors. In addition, several potential treatment and therapeutic strategies for inflammation-driven HCC will be introduced in this review.
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Affiliation(s)
- Bo Zheng
- International Cooperation Laboratory on Signal Transduction, Eastern Hepatobiliary Surgery Institute, Second Military Medical University, Shanghai, 200438, China.,National Center for Liver Cancer, Shanghai, 201805, China
| | - Yan-Jing Zhu
- International Cooperation Laboratory on Signal Transduction, Eastern Hepatobiliary Surgery Institute, Second Military Medical University, Shanghai, 200438, China.,National Center for Liver Cancer, Shanghai, 201805, China
| | - Hong-Yang Wang
- International Cooperation Laboratory on Signal Transduction, Eastern Hepatobiliary Surgery Institute, Second Military Medical University, Shanghai, 200438, China. .,National Center for Liver Cancer, Shanghai, 201805, China. .,State Key Laboratory of Oncogenes and related Genes, Shanghai Cancer Institute, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China.
| | - Lei Chen
- International Cooperation Laboratory on Signal Transduction, Eastern Hepatobiliary Surgery Institute, Second Military Medical University, Shanghai, 200438, China. .,National Center for Liver Cancer, Shanghai, 201805, China.
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20
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Presence of Viral microRNA in Extracellular Environments. EBioMedicine 2017; 20:9-10. [PMID: 28495208 PMCID: PMC5478208 DOI: 10.1016/j.ebiom.2017.05.008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2017] [Accepted: 05/05/2017] [Indexed: 12/11/2022] Open
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21
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Zarrinpar A, Gupta S, Maurya MR, Subramaniam S, Loomba R. Serum microRNAs explain discordance of non-alcoholic fatty liver disease in monozygotic and dizygotic twins: a prospective study. Gut 2016; 65:1546-54. [PMID: 26002934 PMCID: PMC5089367 DOI: 10.1136/gutjnl-2015-309456] [Citation(s) in RCA: 67] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/25/2015] [Accepted: 05/02/2015] [Indexed: 12/13/2022]
Abstract
OBJECTIVE In the setting where two individuals are genetically similar, epigenetic mechanisms could account for discordance in the presence or absence of non-alcoholic fatty liver disease (NAFLD). This study investigated if serum microRNAs (miRs) could explain discordance in NAFLD. DESIGN This is a cross-sectional analysis of a prospective cohort study of 40 (n=80) twin-pairs residing in Southern California. All participants underwent a standardised research visit, liver MRI using proton-density fat fraction to quantify fat content and miR profiling of their serum. RESULTS Among the 40 twin-pairs, there were 6 concordant for NAFLD, 28 were concordant for non-NAFLD and 6 were discordant for NAFLD. The prevalence of NAFLD was 22.5% (18/80). Within the six discordant twins, a panel of 10 miRs differentiated the twin with NAFLD from the one without. Two of these miRs, miR-331-3p and miR-30c, were also among the 21 miRs that were different between NAFLD and non-NAFLD groups (for miR-331-3p: 7.644±0.091 vs 8.057±0.071, respectively, p=0.004; for miR-30c: 10.013±0.126 vs 10.418±0.086, respectively, p=0.008). Both miRs were highly heritable (35.9% and 10.7%, respectively) and highly correlated with each other (R=0.90, p=2.2×10(-16)) suggesting involvement in a common mechanistic pathway. An interactome analysis of these two miRs showed seven common target genes. CONCLUSIONS Using a novel human twin-study design, we demonstrate that discordancy in liver fat content between the twins can be explained by miRs, and that they are heritable.
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Affiliation(s)
- Amir Zarrinpar
- NAFLD Translational Research Unit, University of California, San Diego, La Jolla, California, USA,Division of Gastroenterology, Department of Medicine, University of California, San Diego, La Jolla, California, USA
| | - Shakti Gupta
- Department of Bioengineering, San Diego Supercomputer Center, University of California, San Diego, La Jolla, California, USA
| | - Mano R Maurya
- Department of Bioengineering, San Diego Supercomputer Center, University of California, San Diego, La Jolla, California, USA
| | - Shankar Subramaniam
- Department of Bioengineering, San Diego Supercomputer Center, University of California, San Diego, La Jolla, California, USA,Departments of Computer Science & Engineering and Cellular & Molecular Medicine, University of California, San Diego, La Jolla, California, USA
| | - Rohit Loomba
- NAFLD Translational Research Unit, University of California, San Diego, La Jolla, California, USA,Division of Gastroenterology, Department of Medicine, University of California, San Diego, La Jolla, California, USA,Division of Epidemiology, Department of Family Medicine and Public Health, University of California, San Diego, La Jolla, California, USA
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22
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Wang S, Zhang J, Wang Y, Chen M. Hyaluronic acid-coated PEI-PLGA nanoparticles mediated co-delivery of doxorubicin and miR-542-3p for triple negative breast cancer therapy. NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE 2016; 12:411-20. [DOI: 10.1016/j.nano.2015.09.014] [Citation(s) in RCA: 125] [Impact Index Per Article: 15.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/17/2015] [Revised: 09/23/2015] [Accepted: 09/24/2015] [Indexed: 01/01/2023]
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23
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Zhou Y, Zhang L, Ji H, Lu X, Xia J, Li L, Chen F, Bu H, Shi Y. MiR-17~92 ablation impairs liver regeneration in an estrogen-dependent manner. J Cell Mol Med 2016; 20:939-48. [PMID: 26781774 PMCID: PMC4831359 DOI: 10.1111/jcmm.12782] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2015] [Accepted: 12/07/2015] [Indexed: 02/05/2023] Open
Abstract
As one of the most important post‐transcriptional regulators, microRNAs (miRNAs) participate in diverse biological processes, including the regulation of cell proliferation. MiR‐17~92 has been found to act as an oncogene, and it is closely associated with cell proliferation. However, its role in liver regeneration is still unclear. We generated a hepatocyte‐specific miR‐17~92‐deficient mouse and used a mouse model with 70% partial hepatectomy (PH) or intraperitoneal injection of carbon tetrachloride to demonstrate the role of MiR‐17~92 in liver regeneration. In quiescent livers, the expression of the miR‐17~92 cluster showed a gender disparity, with much higher expression in female mice. The expression of four members of this cluster was found to be markedly reduced after 70% PH. The ablation of miR‐17~92 led to obvious regeneration impairment during the early‐stage regeneration in the female mice. Ovariectomy greatly reduced miR‐17~92 expression but significantly promoted liver regeneration in wild‐type mice. In addition, early regeneration impairment in miR‐17~92‐deficient livers could be largely restored following ovariectomy. The proliferation suppressors p21 and Pten were found to be the target effectors of miR‐17~92. MiR‐17~92 disruption resulted in elevated protein levels of p21 and Pten in regenerating livers. MiR‐17~92 functions as a proliferation stimulator and acts in an oestrogen‐dependent manner. The loss of this miRNA results in increases in p21 and Pten expression and therefore impairs liver regeneration in female mice.
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Affiliation(s)
- Yongjie Zhou
- Laboratory of Pathology, West China Hospital, Sichuan University, Chengdu, China.,Key Laboratory of Transplant Engineering and Immunology, Ministry of Health, Chengdu, China
| | - Lei Zhang
- Laboratory of Pathology, West China Hospital, Sichuan University, Chengdu, China.,Key Laboratory of Transplant Engineering and Immunology, Ministry of Health, Chengdu, China
| | - Hongjie Ji
- Laboratory of Pathology, West China Hospital, Sichuan University, Chengdu, China.,Key Laboratory of Transplant Engineering and Immunology, Ministry of Health, Chengdu, China
| | - Xufeng Lu
- Laboratory of Pathology, West China Hospital, Sichuan University, Chengdu, China.,Key Laboratory of Transplant Engineering and Immunology, Ministry of Health, Chengdu, China
| | - Jie Xia
- Laboratory of Pathology, West China Hospital, Sichuan University, Chengdu, China.,Key Laboratory of Transplant Engineering and Immunology, Ministry of Health, Chengdu, China
| | - Li Li
- Laboratory of Pathology, West China Hospital, Sichuan University, Chengdu, China
| | - Fei Chen
- Laboratory of Pathology, West China Hospital, Sichuan University, Chengdu, China
| | - Hong Bu
- Laboratory of Pathology, West China Hospital, Sichuan University, Chengdu, China.,Key Laboratory of Transplant Engineering and Immunology, Ministry of Health, Chengdu, China.,Department of Pathology, West China Hospital, Sichuan University, Chengdu, China
| | - Yujun Shi
- Laboratory of Pathology, West China Hospital, Sichuan University, Chengdu, China.,Key Laboratory of Transplant Engineering and Immunology, Ministry of Health, Chengdu, China
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24
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Krauskopf J, Verheijen M, Kleinjans JC, de Kok TM, Caiment F. Development and regulatory application of microRNA biomarkers. Biomark Med 2015; 9:1137-51. [PMID: 26502281 DOI: 10.2217/bmm.15.50] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
MicroRNAs, a class of regulatory small non-coding RNAs, are emerging as promising biomarkers for different health outcomes. Due to their tissue specificity, stability in extracellular space and high conservation between preclinical test species, applications of novel miRNA-based biomarkers for drug safety testing regarding hepatotoxicity and cardiotoxicity are investigated. Furthermore, miRNA expression is altered by environmental exposure such as cigarette smoke or polychlorinated biphenyls. As a consequence, miRNAs potentially influence tumor suppressor genes and oncogenes and may influence carcinogenesis. This has raised the interest in the use of miRNA profiles for health risk assessment. This review summarizes the recent developments in miRNA research with focus on biomarkers for drug safety testing and biomarkers for health outcomes related to environmental exposures.
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Affiliation(s)
- Julian Krauskopf
- Department of Toxicogenomics, Maastricht University, 6200 MD Maastricht, The Netherlands
| | - Marcha Verheijen
- Department of Toxicogenomics, Maastricht University, 6200 MD Maastricht, The Netherlands
| | - Jos C Kleinjans
- Department of Toxicogenomics, Maastricht University, 6200 MD Maastricht, The Netherlands
| | - Theo M de Kok
- Department of Toxicogenomics, Maastricht University, 6200 MD Maastricht, The Netherlands
| | - Florian Caiment
- Department of Toxicogenomics, Maastricht University, 6200 MD Maastricht, The Netherlands
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25
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Quinn JF, Patel T, Wong D, Das S, Freedman JE, Laurent LC, Carter BS, Hochberg F, Van Keuren-Jensen K, Huentelman M, Spetzler R, Kalani MYS, Arango J, Adelson PD, Weiner HL, Gandhi R, Goilav B, Putterman C, Saugstad JA. Extracellular RNAs: development as biomarkers of human disease. J Extracell Vesicles 2015; 4:27495. [PMID: 26320940 PMCID: PMC4553262 DOI: 10.3402/jev.v4.27495] [Citation(s) in RCA: 64] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2015] [Revised: 05/08/2015] [Accepted: 07/08/2015] [Indexed: 12/31/2022] Open
Abstract
Ten ongoing studies designed to test the possibility that extracellular RNAs may serve as biomarkers in human disease are described. These studies, funded by the NIH Common Fund Extracellular RNA Communication Program, examine diverse extracellular body fluids, including plasma, serum, urine and cerebrospinal fluid. The disorders studied include hepatic and gastric cancer, cardiovascular disease, chronic kidney disease, neurodegenerative disease, brain tumours, intracranial haemorrhage, multiple sclerosis and placental disorders. Progress to date and the plans for future studies are outlined.
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Affiliation(s)
- Joseph F Quinn
- Department of Neurology, Oregon Health & Science University, Portland, OR, USA;
| | - Tushar Patel
- Departments of Transplantation and Cancer Biology, Mayo Clinic, Jacksonville, FL, USA
| | - David Wong
- School of Dentistry, Department of Head and Neck Surgery, University of California at Los Angeles, Los Angeles, CA, USA
| | - Saumya Das
- Division of Cardiology, Beth Israel Deaconess Medical Center, Boston, MA, USA
| | - Jane E Freedman
- Department of Medicine, University of Massachusetts Medical School, Worcester, MA, USA
| | - Louise C Laurent
- Department of Reproductive Medicine, University of California at San Diego, San Diego, CA, USA
| | - Bob S Carter
- Department of Neurosurgery, University of California at San Diego, San Diego, CA, USA
| | - Fred Hochberg
- Department of Neurosurgery, University of California at San Diego, San Diego, CA, USA
| | | | | | - Robert Spetzler
- Barrow Neurological Institute, Department of Neurological Surgery, St. Joseph's Hospital & Medical Center, Phoenix, AZ, USA
| | - M Yashar S Kalani
- Barrow Neurological Institute, Department of Neurological Surgery, St. Joseph's Hospital & Medical Center, Phoenix, AZ, USA
| | - Jorge Arango
- Barrow Neurological Institute at Phoenix Children's Hospital, Phoenix, AZ, USA
| | - P David Adelson
- Barrow Neurological Institute at Phoenix Children's Hospital, Phoenix, AZ, USA
| | - Howard L Weiner
- Ann Romney Center for Neurologic Disease, Department of Neurology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Roopali Gandhi
- Ann Romney Center for Neurologic Disease, Department of Neurology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Beatrice Goilav
- Division of Pediatric Nephrology, Children's Hospital at Montefiore, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Chaim Putterman
- Division of Rheumatology and Department of Microbiology and Immunology, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Julie A Saugstad
- Department of Anesthesiology & Perioperative Medicine, Oregon Health & Science University, Portland, OR, USA;
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Romano M, De Francesco F, Pirozzi G, Gringeri E, Boetto R, Di Domenico M, Zavan B, Ferraro GA, Cillo U. Expression of cancer stem cell biomarkers as a tool for a correct therapeutic approach to hepatocellular carcinoma. Oncoscience 2015; 2:443-456. [PMID: 26097877 PMCID: PMC4468330 DOI: 10.18632/oncoscience.163] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2015] [Accepted: 05/06/2015] [Indexed: 02/07/2023] Open
Abstract
Liver cancer is the fifth most commonly diagnosed malignancy and the second most frequent cause of cancer death in men worldwide. Amongst liver cancers, hepatocellular carcinoma (HCC) represents the major histological subtype and it is one of the most common malignant human tumors worldwide. Research into the molecular biology of hepatocarcinogenesis has identified several biomarkers, which could provide additional informations in order to better understand the biology of HCC. A large number of biomarkers have been shown to have potential predictive significance and a wide variety of molecular markers have been proven to be excellent diagnostic tools for HCC but it is difficult to characterize HCC with a single biomarker. Thus, signatures of a combination of biomarkers may be more valuable for the diagnosis, staging and prognosis of HCC. Specifically, a correlation of HCC-CSCs phenotype to specific hepatic cancer subtypes and to specific clinical and pathological features has not yet been reported in human liver tumors. In this view we will first discuss the possible sources of liver stem cells and their relation with liver cancer development and we will secondly focus on the prognostic significance of clinical and pathological features of HCC.
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Affiliation(s)
- Maurizio Romano
- Department of Surgery, Oncology and Gastroenterology, Hepatobiliary Surgery and Liver Transplantation, Padua University Hospital, Padua (Italy)
| | - Francesco De Francesco
- Multidisciplinary department of Medical-Surgical and Dental Specialties, Second University of Naples, Naples (Italy)
| | - Giuseppe Pirozzi
- Department of Experimental Oncology, National Cancer Institute, G.Pascale, Naples (Italy)
| | - Enrico Gringeri
- Department of Surgery, Oncology and Gastroenterology, Hepatobiliary Surgery and Liver Transplantation, Padua University Hospital, Padua (Italy)
| | - Riccardo Boetto
- Department of Surgery, Oncology and Gastroenterology, Hepatobiliary Surgery and Liver Transplantation, Padua University Hospital, Padua (Italy)
| | - Marina Di Domenico
- Department of Biochemistry, Biophysics and General Pathology, Second University of Naples, Naples (Italy)
| | - Barbara Zavan
- Department of Biomedical Sciences, University of Padua, Padua (Italy)
| | - Giuseppe A Ferraro
- Multidisciplinary department of Medical-Surgical and Dental Specialties, Second University of Naples, Naples (Italy)
| | - Umberto Cillo
- Department of Surgery, Oncology and Gastroenterology, Hepatobiliary Surgery and Liver Transplantation, Padua University Hospital, Padua (Italy)
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Tian YE, Xie XU, Lin Y, Tan G, Zhong WU. Androgen receptor in hepatocarcinogenesis: Recent developments and perspectives. Oncol Lett 2015; 9:1983-1988. [PMID: 26136999 DOI: 10.3892/ol.2015.3025] [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: 06/05/2014] [Accepted: 02/13/2015] [Indexed: 02/06/2023] Open
Abstract
Previous studies have indicated that males are at a higher risk of developing hepatocellular carcinoma (HCC) compared with females. Identifying the factors that cause this gender-specific difference in the incidence of HCC has long been considered important for revealing the molecular mechanisms involved in hepatocarcinogenesis. Given the unprecedented tools that are now available for molecular research, genetic studies have established that the androgen receptor (AR) may be partly responsible for gender disparity in HCC. AR has a dual role, promoting HCC initiation and development, as well as suppressing HCC metastasis. The present review provides an overview of the involvement of AR signaling in HCC. The review highlighted important studies, examples of the direct AR transcriptional target genes involved in HCC and novel theories concerning the conventional concept, suggesting that targeting the AR, rather than the androgen, may provide an improved therapeutic approach for the treatment of HCC.
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Affiliation(s)
- Y E Tian
- Department of Emergency Medicine, Affiliated Hospital of Luzhou Medical College, Luzhou, Sichuan 646000, P.R. China
| | - X U Xie
- Department of General Surgery, First Affiliated Hospital, Dalian Medical University, Dalian, Liaoning 116011, P.R. China
| | - Yao Lin
- Department of Urology, Anhui Provincial Hospital, Hefei, Anhui 230001, P.R. China
| | - Guang Tan
- Department of General Surgery, First Affiliated Hospital, Dalian Medical University, Dalian, Liaoning 116011, P.R. China
| | - W U Zhong
- Department of Emergency Medicine, Affiliated Hospital of Luzhou Medical College, Luzhou, Sichuan 646000, P.R. China
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Circulating microRNAs: emerging biomarkers for diagnosis and prognosis in patients with gastrointestinal cancers. Clin Sci (Lond) 2014; 128:1-15. [PMID: 25168167 DOI: 10.1042/cs20140089] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
To identify novel non-invasive biomarkers for improved detection, risk assessment and prognostic evaluation of cancer, expression profiles of circulating microRNAs are currently under evaluation. Circulating microRNAs are highly promising candidates in this context, as they present some key characteristics for cancer biomarkers: they are tissue-specific with reproducible expression and consistency among individuals from the same species, they are potentially derived directly from the tumour and therefore might correlate with tumour progression and recurrence, and they are bound to proteins or contained in subcellular particles, such as microvesicles or exosomes, making them highly stable and resistant to degradation. The present review highlights the origin of circulating microRNAs, their stability in blood samples, and techniques to isolate exosomal microRNAs, and then addresses the current evidence supporting potential clinical applications of circulating miRNAs for diagnostic and prognostic purposes.
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Friedman SL, Quigley EMM, Sharkey KA, Sung JJY, Whitcomb DC. The past 10 years of gastroenterology and hepatology-reflections and predictions. Nat Rev Gastroenterol Hepatol 2014; 11:692-700. [PMID: 25291429 DOI: 10.1038/nrgastro.2014.167] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
In November 2004, the very first issue of this journal featured articles on the pathogenesis of ulcerative colitis, mechanisms leading to chronic pancreatitis, and treatment of recurrent Clostridium-difficile-associated diarrhoea. Although those topics might seem familiar, much has changed in the intervening years in our understanding, diagnosis and treatment of many different diseases across the field of gastroenterology and hepatology. Nonetheless, many challenges remain. Here, we have asked five of our Advisory Board members-international experts across different subspecialties in gastroenterology and hepatology-to reflect on the progress and frustrations of the past 10 years. They also comment on where effort and money should be invested now, as well as their predictions for progress in the next 10 years.
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Affiliation(s)
- Scott L Friedman
- Division of Liver Disease, Box 1123, Icahn School of Medicine at Mount Sinai, 1425 Madison Avenue, Room 11-70C, New York, NY 10029-6574, USA
| | - Eamonn M M Quigley
- Division of Gastroenterology and Hepatology, Houston Methodist Hospital, 6550 Fannin Street, SM 1001, Houston, TX 77030, USA
| | - Keith A Sharkey
- Hotchkiss Brain Institute and Snyder Institute for Chronic Diseases, Department of Physiology and Pharmacology, Cumming School of Medicine, University of Calgary, 3330 Hospital Drive NW, Calgary, AB T2N 4N1, Canada
| | - Joseph J Y Sung
- University Administration Building, The Chinese University of Hong Kong, 1/F, Room 101, Shatin, NT, Hong Kong SAR, The People's Republic of China
| | - David C Whitcomb
- Department of Medicine, Cell Biology &Molecular Physiology and Human Genetics, University of Pittsburgh and UPMC, Room 401.4, 3708 Fifth Avenue, Pittsburgh, PA 15231, USA
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Wang Y, Chen T, Tong W. miRNAs and their application in drug-induced liver injury. Biomark Med 2014; 8:161-72. [PMID: 24521012 DOI: 10.2217/bmm.13.147] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
The complex miRNA regulatory network plays an important role in diverse biological activities of physiopathological processes. In addition to the discovery of and research on the extracellular miRNAs detected in multiple biofluids, the properties of tissue specificity and high stability underlie the great potential of these small miRNAs to serve as translational biomarkers for various diseases in the clinical setting, including in drug-induced liver injury. In this review, we describe the major technologies currently used and challenges in miRNA measurement and provide information on major bioinformatics resources available for current miRNA research. We also discuss novel findings in liver disease and highlight the potential of miRNAs for clinical and basic research as translational biomarkers for drug-induced liver injury.
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Affiliation(s)
- Yuping Wang
- Division of Bioinformatics & Biostatistics, National Center for Toxicological Research, US FDA, 3900 NCTR Road, Jefferson, AR 72079, USA
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31
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Liu Y, Wu C, Wang Y, Wen S, Wang J, Chen Z, He Q, Feng D. MicroRNA-145 inhibits cell proliferation by directly targeting ADAM17 in hepatocellular carcinoma. Oncol Rep 2014; 32:1923-30. [PMID: 25174729 DOI: 10.3892/or.2014.3424] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2014] [Accepted: 07/25/2014] [Indexed: 11/06/2022] Open
Abstract
MicroRNAs (miRNAs) are key regulators in cell processes. Emerging evidence has suggested that there is a direct association between miRNAs and cancer. However, the exact regulatory mechanisms of miRNAs in tumorigenesis are poorly understood. In the present study, we showed that miR-145 is able to significantly reduce mRNA and protein expression levels of A disintegrin and metalloproteinase 17 (ADAM17) in liver cancer cells (SMMC-7721, BEL-7402 and Huh-7). Dual luciferase reporter assays confirmed that ADAM17 is a direct target of miR-145. Notably, we found that miR-145 inhibits cell proliferation and growth activity in SMMC-7721 cells. These results demonstrated that it may be exert the function of tumor suppression in a particular link of cancer cell growth. Further studies revealed that the silencing of ADAM17 decreased the proliferation and growth activity of SMMC-7721 cells. Moreover, it reduced the expression of MMP-9. In conclusion, miR-145 inhibits liver cancer cell proliferation by directly targeting ADAM17. Thus, it may become a promising biological target in the treatment strategy of hepatocellular carcinoma.
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Affiliation(s)
- Yuwu Liu
- Department of Pathology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, P.R. China
| | - Chang Wu
- Department of Pathology, Shenzhen Sixth People's Hospital (Nanshan Hospital), Shenzhen, Guangdong 518052, P.R. China
| | - Ying Wang
- Department of Pathology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, P.R. China
| | - Sailan Wen
- Department of Pathology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, P.R. China
| | - Junpu Wang
- Department of Pathology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, P.R. China
| | - Zhihong Chen
- Department of Pathology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, P.R. China
| | - Qiongqiong He
- Department of Pathology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, P.R. China
| | - Deyun Feng
- Department of Pathology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, P.R. China
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Feng Y, Liu J, Kang Y, He Y, Liang B, Yang P, Yu Z. miR-19a acts as an oncogenic microRNA and is up-regulated in bladder cancer. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2014. [PMID: 25107371 PMCID: PMC4237814 DOI: 10.1186/s13046-014-0067-8] [Citation(s) in RCA: 77] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Background The application of microRNAs (miRNAs) as potential biomarkers and therapy targets has been widely investigated in many kinds of cancers. The discovery of tumor associated miRNAs in serum of patients supported the use of plasma/serum miRNAs as noninvasive means of cancer detection. However, the aberrant expression of miRNAs in bladder cancer patients and their intensive roles and mechanisms in bladder cancer are poorly understood. Methods Taqman probe stem-loop real-time PCR was used to accurately measure the levels of miR-19a in bladder cancer cell lines, 100 pairs of bladder cancer tissues and the adjacent non-neoplastic tissues and also the plasma collected from bladder cancer patients and normal controls. miR-19a mimics and inhibitors were transfected into bladder cancer cells to investigate its role on regulating cell proliferation which was measured by CCK-8 and colony formation assay. The target of miR-19a was identified by western blot and whether its regulatory role depends on its target was improved by a rescue experiment with miR-19a mimic and PTEN expression plasmid. Results miR-19a was significantly up-regulated in bladder cancer tissues and high-level of miR-19a was correlative with more aggressive phenotypes of bladder cancer. Meanwhile, gain or loss of function of miR-19a demonstrated that miR-19a can promote cell growth of bladder cancer cells and the further mechanism studies indicated that its oncogenic role was dependent on targeting PTEN. Furthermore, investigation of miR-19a expression in the plasma of bladder cancer patients showed that miR-19a was also increased in plasma of bladder cancer patients which strongly supported miR-19a could be developed as potential diagnostic marker of bladder cancer. Conclusions Our data indicated that miR-19a might act as an oncogenic microRNA in bladder cancer and was significantly up-regulated in bladder cancer carcinogenesis. The oncogenic role of miR19a in bladder cancer was dependent on targeting PTEN.
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Affiliation(s)
- Yougang Feng
- Department of Urology, Suining Central Hospital, 127 Deshengxi Road, Chuanshan District, Suining 629000, P R China.
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miR-19a acts as an oncogenic microRNA and is up-regulated in bladder cancer. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2014; 33:67. [PMID: 25107371 DOI: 10.1186/preaccept-9242556491295527] [Citation(s) in RCA: 54] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Received: 05/13/2014] [Accepted: 07/31/2014] [Indexed: 12/18/2022]
Abstract
BACKGROUND The application of microRNAs (miRNAs) as potential biomarkers and therapy targets has been widely investigated in many kinds of cancers. The discovery of tumor associated miRNAs in serum of patients supported the use of plasma/serum miRNAs as noninvasive means of cancer detection. However, the aberrant expression of miRNAs in bladder cancer patients and their intensive roles and mechanisms in bladder cancer are poorly understood. METHODS Taqman probe stem-loop real-time PCR was used to accurately measure the levels of miR-19a in bladder cancer cell lines, 100 pairs of bladder cancer tissues and the adjacent non-neoplastic tissues and also the plasma collected from bladder cancer patients and normal controls. miR-19a mimics and inhibitors were transfected into bladder cancer cells to investigate its role on regulating cell proliferation which was measured by CCK-8 and colony formation assay. The target of miR-19a was identified by western blot and whether its regulatory role depends on its target was improved by a rescue experiment with miR-19a mimic and PTEN expression plasmid. RESULTS miR-19a was significantly up-regulated in bladder cancer tissues and high-level of miR-19a was correlative with more aggressive phenotypes of bladder cancer. Meanwhile, gain or loss of function of miR-19a demonstrated that miR-19a can promote cell growth of bladder cancer cells and the further mechanism studies indicated that its oncogenic role was dependent on targeting PTEN. Furthermore, investigation of miR-19a expression in the plasma of bladder cancer patients showed that miR-19a was also increased in plasma of bladder cancer patients which strongly supported miR-19a could be developed as potential diagnostic marker of bladder cancer. CONCLUSIONS Our data indicated that miR-19a might act as an oncogenic microRNA in bladder cancer and was significantly up-regulated in bladder cancer carcinogenesis. The oncogenic role of miR19a in bladder cancer was dependent on targeting PTEN.
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Chen Y, Verfaillie CM. MicroRNAs: the fine modulators of liver development and function. Liver Int 2014; 34:976-90. [PMID: 24517588 DOI: 10.1111/liv.12496] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/06/2013] [Accepted: 02/04/2014] [Indexed: 12/11/2022]
Abstract
MicroRNAs are a class of small non-coding RNAs involved in the transcriptional and post-transcriptional regulation of gene expression. The function of miRNAs in liver disease including hepatocellular carcinoma (HCC), hepatitis, and alcoholic liver disease, have been widely studied and extensively reviewed. Increasing evidence demonstrates that miRNAs also play a critical role in normal liver development and in the fine-tuning of fundamental biological liver processes. In this review, we highlight the most recent findings on the role of miRNAs in liver specification and differentiation, liver cell development, as well as in the many metabolic functions of the liver, including glucose, lipid, iron and drug metabolism. These findings demonstrate an important role of miRNAs in normal liver development and function. Further researches will be needed to fully understand how miRNAs regulate liver generation and metabolic function, which should then lead to greater insights in liver biology and perhaps open up the possibility to correct errors that cause liver diseases or metabolic disorders.
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Affiliation(s)
- Yemiao Chen
- Southwest Hospital, and Key Laboratory of Tumor Immunopathology of the Ministry of Education of China, Institute of Pathology and Southwest Cancer Center, Third Military Medical University, Chongqing, China; Department of Development and Regeneration, Stem Cell Institute Leuven, Cluster Stem Cell Biology and Embryology, KU Leuven Medical School, KU Leuven, Leuven, Belgium
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Takahashi K, Yan I, Haga H, Patel T. Long noncoding RNA in liver diseases. Hepatology 2014; 60:744-53. [PMID: 24493213 PMCID: PMC4110118 DOI: 10.1002/hep.27043] [Citation(s) in RCA: 156] [Impact Index Per Article: 15.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/06/2013] [Revised: 01/07/2014] [Accepted: 01/27/2014] [Indexed: 12/14/2022]
Abstract
UNLABELLED The identification of the presence of large RNA transcripts that do not code for proteins but that may have biological functions has provided an important new perspective in gene regulation. These long noncoding RNAs (lncRNAs) are being increasingly recognized to contribute to many biological processes through diverse mechanisms. The roles of these emerging genes are being recognized across kingdoms. These findings are profoundly altering our understanding of disease pathobiology and leading to the emergence of new biological concepts underlying human diseases. Strategies for the discovery and characterization of lncRNAs are highlighted. Several lncRNAs have been described in liver disease, and in liver cancers in particular. Their molecular mechanisms of action, function, and contributions to disease pathophysiology are reviewed. LncRNA genes associated with liver diseases have potential roles as biomarkers of disease diagnosis, prognosis, or therapeutic response as well as direct targets for therapeutic intervention. CONCLUSION The emerging knowledge in this rapidly advancing field offers promise for new fundamental knowledge and clinical applications that will be relevant for human liver diseases.
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Abstract
Cholangiocarcinoma represents a diverse group of epithelial cancers united by late diagnosis and poor outcomes. Specific diagnostic and therapeutic approaches are undertaken for cholangiocarcinomas of different anatomical locations (intrahepatic, perihilar, and distal). Mixed hepatocellular cholangiocarcinomas have emerged as a distinct subtype of primary liver cancer. Clinicians need to be aware of intrahepatic cholangiocarcinomas arising in cirrhosis and properly assess liver masses in this setting for cholangiocarcinoma. Management of biliary obstruction is obligatory in perihilar cholangiocarcinoma, and advanced cytological tests such as fluorescence in-situ hybridisation for aneusomy are helpful in the diagnosis. Liver transplantation is a curative option for selected patients with perihilar but not with intrahepatic or distal cholangiocarcinoma. International efforts of clinicians and scientists are helping to identify the genetic drivers of cholangiocarcinoma progression, which will unveil early diagnostic markers and direct development of individualised therapies.
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Affiliation(s)
- Nataliya Razumilava
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN, USA
| | - Gregory J Gores
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN, USA.
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Waldron PR, Holodniy M. MicroRNA and hepatitis C virus--challenges in investigation and translation: a review of the literature. Diagn Microbiol Infect Dis 2014; 80:1-12. [PMID: 24996839 DOI: 10.1016/j.diagmicrobio.2014.05.024] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2014] [Revised: 05/22/2014] [Accepted: 05/27/2014] [Indexed: 12/25/2022]
Abstract
Investigations into the role of microRNA (miRNA) in hepatitis C virus (HCV) infection, disease pathogenesis and host immune and treatment response have potential to produce innovations in diagnosis, prognosis and therapy. However, investigational challenges remain in generating clinically useful and reproducible results. We review the literature with a primary emphasis on methods and technologies used to construct our current understanding of miRNA and HCV disease. A second emphasis is to understand potential clinical research applications and provide clarification of previous study results. Many miRNA have key roles in viral and immunopathogenesis of HCV infection across multiple tissue compartments. Controversy exists among published studies regarding relative measurements, temporal changes and biological significance of specific miRNA and HCV infection. To reconcile diverging data, additional research into optimal sample processing, in vitro models, techniques for microarray differential expression of miRNAs, practices for sample result normalization, and effect of HCV genotype variation on expression are all necessary. Microarray and miRNA isolation techniques should be selected based on ability to generate reproducible results in the sample type of interest. More direct comparisons of efficacy and reliability of various multiplex microarrays and an improved consensus around miRNA normalization and quantitation are necessary so that data can be compared across studies.
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Affiliation(s)
- Paul Ravi Waldron
- Division of Infectious Diseases and Geographic Medicine, Stanford University, Stanford, CA.
| | - Mark Holodniy
- Division of Infectious Diseases and Geographic Medicine, Stanford University, Stanford, CA; Office of Public Health, Department of Veterans Affairs, Washington, DC
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Huang J, Yu X, Fries JWU, Zhang L, Odenthal M. MicroRNA function in the profibrogenic interplay upon chronic liver disease. Int J Mol Sci 2014; 15:9360-71. [PMID: 24871365 PMCID: PMC4100099 DOI: 10.3390/ijms15069360] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2014] [Revised: 05/06/2014] [Accepted: 05/12/2014] [Indexed: 02/07/2023] Open
Abstract
In chronic liver disease leading to fibrosis, hepatic stellate cells (HSC) differentiate into myofibroblasts. Myofibroblastic HSC have taken center stage during liver fibrogenesis, due to their remarkable synthesis of extracellular matrix proteins, their secretion of profibrogenic mediators and their contribution to hypertension, due to elevated contractility. MicroRNAs (miRNAs) are small, noncoding RNA molecules of 19–24 nucleotides in length. By either RNA interference or inhibition of translational initiation and elongation, each miRNA is able to inhibit the gene expression of a wide panel of targeted transcripts. Recently, it was shown that altered miRNA patterns after chronic liver disease highly affect the progression of fibrosis by their potential to target the expression of extracellular matrix proteins and the synthesis of mediators of profibrogenic pathways. Here, we underline the role of miRNAs in the interplay of the profibrogenic cell communication pathways upon myofibroblastic differentiation of hepatic stellate cells in the chronically injured liver.
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Affiliation(s)
- Jia Huang
- Institute for Pathology, University Hospital of Cologne, Cologne 50924, Germany.
| | - Xiaojie Yu
- Institute for Pathology, University Hospital of Cologne, Cologne 50924, Germany.
| | - Jochen W U Fries
- Institute for Pathology, University Hospital of Cologne, Cologne 50924, Germany.
| | - Li'ang Zhang
- Institute for Pathology, University Hospital of Cologne, Cologne 50924, Germany.
| | - Margarete Odenthal
- Institute for Pathology, University Hospital of Cologne, Cologne 50924, Germany.
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Haga H, Yan I, Takahashi K, Wood J, Patel T. Emerging insights into the role of microRNAs in the pathogenesis of cholangiocarcinoma. Gene Expr 2014; 16:93-9. [PMID: 24801170 PMCID: PMC4166576 DOI: 10.3727/105221614x13919976902174] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
The microRNAs (miRNAs) are small noncoding RNAs that are potent regulators of gene expression and can regulate several diverse biological functions. This minireview provides an overview of recent studies that have examined the role and involvement of miRNAs in cholangiocarcinomas. These studies provide evidence for deregulated expression of miRNA and are providing new insights into the potential contribution of these in the pathogenesis of cholangiocarcinoma.
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