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Alimardanian L, Soltani BM, Irani S, Sheikhpour M. Bioinformatics Study and Experimental Evaluation of miR-182, and miR-34 Expression Profiles in Tuberculosis and Lung Cancer. Tuberc Respir Dis (Seoul) 2024; 87:398-408. [PMID: 38616694 PMCID: PMC11222103 DOI: 10.4046/trd.2023.0172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Revised: 02/20/2024] [Accepted: 04/07/2024] [Indexed: 04/16/2024] Open
Abstract
BACKGROUND Lung cancer is one of the most dangerous cancers and tuberculosis is one of the deadliest infectious diseases in the world. Many studies have confirmed the connection between lung cancer and tuberculosis, and also the microRNAs (miRNAs) that play a major role in the development of these two diseases. This study aims to use different databases to find effective miRNAs and their role in different genes in lung and tuberculosis diseases. It also aims to determine the role of miR-34a and miR-182 in lung cancer and tuberculosis. METHODS Using the Gene Expression Omnibus (GEO) database, the influential miRNA databases were studied in the two diseases. Finally, considering bioinformatics results and literature studies, two miR-34a and miR-182 were selected. The role of these miRNAs and their target genes was carefully evaluated using bioinformatics. The expression of miRNAs in the plasma of patients with lung cancer and tuberculosis and healthy individuals was investigated. RESULTS According to the GEO database, miR-34a and miR-182 are miRNAs that affect tuberculosis and lung cancer. By checking the miRBase, miRcode, DIANA, miRDB, galaxy, Kyoto Encyclopedia of Genes and Genomes databases, the role of these miRNAs on genes and different molecular pathways and their effect on these miRNAs were mentioned. The results of the present study showed that the expression of miR-34a and miR-182 was lower than that of healthy people. The p-value for miR-182 was <0.0001 and for miR-34a was 0.3380. CONCLUSION Reducing the expression pattern of these miRNAs indicates their role in lung cancer and tuberculosis occurrence. Therefore, these miRNAs can be used as a biomarker for prognosis, diagnosis, and treatment methods.
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Affiliation(s)
- Leila Alimardanian
- Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Bahram Mohammad Soltani
- Department of Molecular Genetics, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran
| | - Shiva Irani
- Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Mojgan Sheikhpour
- Department of Mycobacteriology and Pulmonary Research, Pasteur Institute of Iran, Tehran, Iran
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2
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Ebrahimnezhad M, Valizadeh A, Majidinia M, Tabnak P, Yousefi B. Unveiling the potential of FOXO3 in lung cancer: From molecular insights to therapeutic prospects. Biomed Pharmacother 2024; 176:116833. [PMID: 38843589 DOI: 10.1016/j.biopha.2024.116833] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2024] [Revised: 05/18/2024] [Accepted: 05/26/2024] [Indexed: 06/20/2024] Open
Abstract
Lung cancer poses a significant challenge regarding molecular heterogeneity, as it encompasses a wide range of molecular alterations and cancer-related pathways. Recent discoveries made it feasible to thoroughly investigate the molecular mechanisms underlying lung cancer, giving rise to the possibility of novel therapeutic strategies relying on molecularly targeted drugs. In this context, forkhead box O3 (FOXO3), a member of forkhead transcription factors, has emerged as a crucial protein commonly dysregulated in cancer cells. The regulation of the FOXO3 in reacting to external stimuli plays a key role in maintaining cellular homeostasis as a component of the molecular machinery that determines whether cells will survive or dies. Indeed, various extrinsic cues regulate FOXO3, affecting its subcellular location and transcriptional activity. These regulations are mediated by diverse signaling pathways, non-coding RNAs (ncRNAs), and protein interactions that eventually drive post-transcriptional modification of FOXO3. Nevertheless, while it is no doubt that FOXO3 is implicated in numerous aspects of lung cancer, it is unclear whether they act as tumor suppressors, promotors, or both based on the situation. However, FOXO3 serves as an intriguing possible target in lung cancer therapeutics while widely used anti-cancer chemo drugs can regulate it. In this review, we describe a summary of recent findings on molecular mechanisms of FOXO3 to clarify that targeting its activity might hold promise in lung cancer treatment.
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Affiliation(s)
- Mohammad Ebrahimnezhad
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran; Department of Biochemistry, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Amir Valizadeh
- Department of Biochemistry, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Maryam Majidinia
- Solid Tumor Research Center, Cellular and Molecular Medicine Institute, Urmia University of Medical Sciences, Urmia, Iran
| | - Peyman Tabnak
- Department of Biochemistry, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Bahman Yousefi
- Department of Biochemistry, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran; Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
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3
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Nyarko-Danquah I, Pajarillo E, Kim S, Digman A, Multani HK, Ajayi I, Son DS, Aschner M, Lee E. Microglial Sp1 induced LRRK2 upregulation in response to manganese exposure, and 17β-estradiol afforded protection against this manganese toxicity. Neurotoxicology 2024; 103:105-114. [PMID: 38857675 DOI: 10.1016/j.neuro.2024.05.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2024] [Revised: 05/13/2024] [Accepted: 05/27/2024] [Indexed: 06/12/2024]
Abstract
Chronic exposure to elevated levels of manganese (Mn) causes a neurological disorder referred to as manganism, presenting symptoms similar to those of Parkinson's disease (PD), yet the mechanisms by which Mn induces its neurotoxicity are not completely understood. 17β-estradiol (E2) affords neuroprotection against Mn toxicity in various neural cell types including microglia. Our previous studies have shown that leucine-rich repeat kinase 2 (LRRK2) mediates Mn-induced inflammatory toxicity in microglia. The LRRK2 promoter sequences contain three putative binding sites of the transcription factor (TF), specificity protein 1 (Sp1), which increases LRRK2 promoter activity. In the present study, we tested if the Sp1-LRRK2 pathway plays a role in both Mn toxicity and the protection afforded by E2 against Mn toxicity in BV2 microglial cells. The results showed that Mn induced cytotoxicity, oxidative stress, and tumor necrosis factor-α production, which were attenuated by an LRRK2 inhibitor, GSK2578215A. The overexpression of Sp1 increased LRRK2 promoter activity, mRNA and protein levels, while inhibition of Sp1 with its pharmacological inhibitor, mithramycin A, attenuated the Mn-induced increases in LRRK2 expression. Furthermore, E2 attenuated the Mn-induced Sp1 expression by decreasing the expression of Sp1 via the promotion of the ubiquitin-dependent degradation pathway, which was accompanied by increased protein levels of RING finger protein 4, the E3-ligase of Sp1, Sp1 ubiquitination, and SUMOylation. Taken together, our novel findings suggest that Sp1 serves as a critical TF in Mn-induced LRRK2 expression as well as in the protection afforded by E2 against Mn toxicity through reduction of LRRK2 expression in microglia.
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Affiliation(s)
- Ivan Nyarko-Danquah
- Department of Pharmaceutical Science, College of Pharmacy and Pharmaceutical Sciences, Florida A&M University, Tallahassee, FL 32307, USA
| | - Edward Pajarillo
- Department of Pharmaceutical Science, College of Pharmacy and Pharmaceutical Sciences, Florida A&M University, Tallahassee, FL 32307, USA
| | - Sanghoon Kim
- Department of Pharmaceutical Science, College of Pharmacy and Pharmaceutical Sciences, Florida A&M University, Tallahassee, FL 32307, USA
| | - Alexis Digman
- Department of Pharmaceutical Science, College of Pharmacy and Pharmaceutical Sciences, Florida A&M University, Tallahassee, FL 32307, USA
| | - Harpreet Kaur Multani
- Department of Pharmaceutical Science, College of Pharmacy and Pharmaceutical Sciences, Florida A&M University, Tallahassee, FL 32307, USA
| | - Itunu Ajayi
- Department of Pharmaceutical Science, College of Pharmacy and Pharmaceutical Sciences, Florida A&M University, Tallahassee, FL 32307, USA
| | - Deok-Soo Son
- Department of Biochemistry, Cancer Biology, Neuroscience and Pharmacology, Meharry Medical College, Nashville, TN 37208, USA
| | - Michael Aschner
- Department of Molecular Pharmacology, Albert Einstein College of Medicine, Bronx, New York, NY 10461, USA
| | - Eunsook Lee
- Department of Pharmaceutical Science, College of Pharmacy and Pharmaceutical Sciences, Florida A&M University, Tallahassee, FL 32307, USA.
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Liu X, Feng Y, Wang L, Shi L, Ji K, Hu N, Du Y, Liu M, Wang M. Silencing of circ_0088036 inhibits growth and invasion of lung adenocarcinoma through miR-203/SP1 axis. J Biochem Mol Toxicol 2024; 38:e23684. [PMID: 38533528 DOI: 10.1002/jbt.23684] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2023] [Revised: 02/06/2024] [Accepted: 02/23/2024] [Indexed: 03/28/2024]
Abstract
Lung cancer is the leading cause of cancer-related deaths worldwide. Circular RNA (circRNA) circ_0088036 is a recently discovered circRNA known for its roles in rheumatoid arthritis. The study aimed to study the function of circ_0088036 in lung adenocarcinoma (LUAD). Circ_0088036 expressions were analyzed in the Gene Expression Omnibus (GEO) database. The relationship between circ_0088036 expressions and clinicopathological data of LUAD was assessed. The messenger RNA and protein levels were analyzed by quantitative real-time polymerase chain reaction and Western blot. Cell viability, apoptosis, and invasion were tested by Cell Counting Kit-8, flow cytometry, and transwell assay. The direct interaction between microRNA-203 (miR-203) and circ_0088036 or specificity protein 1 (SP1) was confirmed by dual-luciferase reporter assay, RNA pull-down, and RNA immunoprecipitation assays. Circ_0088036 was overexpressed in LUAD from the analysis of the GEO database. The poor prognosis was found in the patients with high expressions of circ_0088036. The level of Circ_0088036 was increased in LUAD tissues and cells. In terms of function, the deletion of circ_0088036 inhibited LUAD tumorigenesis in vitro by repressing cell growth, invasion, and epithelial-mesenchymal transition (EMT). In mechanism, circ_0088036 could competitively sponge miR-203, thereby affecting the expressions of the target gene SP1. In addition, lessening of miR-203 and enlarging of SP1 could eliminate the anticancer effect of short hairpin RNA-circ_0088036 on LUAD cells. Besides, the knockout of circ_0088036 hindered the growth of xenografted tumors in vivo. Circ_0088036 promoted the LUAD cell growth, invasion, and EMT via modulating the miR-203/SP1 axis in LUAD.
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Affiliation(s)
- Xiuhua Liu
- Department of Respiratory Medicine, The First Hospital of Jilin University, Changchun, Jilin, China
| | - Yan Feng
- Department of Oncology, General Hospital of Heilongjiang Province Land Reclamation Bureau, Harbin, Heilongjiang, China
| | - Linna Wang
- Department of Oncology, General Hospital of Heilongjiang Province Land Reclamation Bureau, Harbin, Heilongjiang, China
| | - Lei Shi
- Department of Oncology, General Hospital of Heilongjiang Province Land Reclamation Bureau, Harbin, Heilongjiang, China
| | - Kunxiang Ji
- Department of Oncology, General Hospital of Heilongjiang Province Land Reclamation Bureau, Harbin, Heilongjiang, China
| | - Nan Hu
- Department of Oncology, General Hospital of Heilongjiang Province Land Reclamation Bureau, Harbin, Heilongjiang, China
| | - Yang Du
- Department of Oncology, General Hospital of Heilongjiang Province Land Reclamation Bureau, Harbin, Heilongjiang, China
| | - Mingyang Liu
- Department of Oncology, General Hospital of Heilongjiang Province Land Reclamation Bureau, Harbin, Heilongjiang, China
| | - Man Wang
- Department of Respiratory Medicine, The First Hospital of Jilin University, Changchun, Jilin, China
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5
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Wang JZ, Paulus P, Niu Y, Zhu L, Morisseau C, Rawling T, Murray M, Hammock BD, Zhou F. The Role of Autophagy in Human Uveal Melanoma and the Development of Potential Disease Biomarkers and Novel Therapeutic Paradigms. Biomedicines 2024; 12:462. [PMID: 38398064 PMCID: PMC10886749 DOI: 10.3390/biomedicines12020462] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Revised: 02/15/2024] [Accepted: 02/17/2024] [Indexed: 02/25/2024] Open
Abstract
Autophagy is a form of programmed cell degradation that enables the maintenance of homeostasis in response to extracellular stress stimuli. Autophagy is primarily activated by starvation and mediates the degradation, removal, or recycling of cell cytoplasm, organelles, and intracellular components in eukaryotic cells. Autophagy is also involved in the pathogenesis of human diseases, including several cancers. Human uveal melanoma (UM) is the primary intraocular malignancy in adults and has an extremely poor prognosis; at present there are no effective therapies. Several studies have suggested that autophagy is important in UM. By understanding the mechanisms of activation of autophagy in UM it may be possible to develop biomarkers to provide more definitive disease prognoses and to identify potential drug targets for the development of new therapeutic strategies. This article reviews the current information regarding autophagy in UM that could facilitate biomarker and drug development.
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Affiliation(s)
- Janney Z. Wang
- Molecular Drug Development Group, Sydney Pharmacy School, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW 2006, Australia
| | - Paus Paulus
- Molecular Drug Development Group, Sydney Pharmacy School, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW 2006, Australia
| | - Yihe Niu
- Molecular Drug Development Group, Sydney Pharmacy School, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW 2006, Australia
| | - Ling Zhu
- Save Sight Institute, The University of Sydney, Sydney, NSW 2006, Australia
| | - Christophe Morisseau
- Department of Entomology and Nematology, UCD Comprehensive Cancer Center, University of California, Davis, CA 95616, USA (B.D.H.)
| | - Tristan Rawling
- School of Mathematical and Physical Sciences, Faculty of Science, University of Technology Sydney, Ultimo, NSW 2007, Australia;
| | - Michael Murray
- Molecular Drug Development Group, Sydney Pharmacy School, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW 2006, Australia
| | - Bruce D. Hammock
- Department of Entomology and Nematology, UCD Comprehensive Cancer Center, University of California, Davis, CA 95616, USA (B.D.H.)
| | - Fanfan Zhou
- Molecular Drug Development Group, Sydney Pharmacy School, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW 2006, Australia
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6
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Hachana MR, Maatouk M, Lassouad Z, Sriha B, Mokni M. microRNAs expression profile in phyllodes tumors of the breast. Heliyon 2024; 10:e24803. [PMID: 38312609 PMCID: PMC10835222 DOI: 10.1016/j.heliyon.2024.e24803] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Revised: 01/10/2024] [Accepted: 01/15/2024] [Indexed: 02/06/2024] Open
Abstract
Proliferation of both stromal and epithelial components is a characteristic of fibroepithelial cancers of the breast. Certain fibroepithelial tumors of the breast, such as fibradenomas and phyllodes tumors, are challenging to distinguish and categorize. To find biomarkers for early diagnosis and improved disease management, it is crucial to deepen our understanding of the molecular pathogenesis pathways and tumor biology of PTs. It has been demonstrated that microRNAs (miRNAs) have significant roles in cancers; the expression pattern of miRNAs can help with cancer categorization and treatment. In contrast, little is understood about miRNAs in breast fibroepithelial cancers. This study was conducted retrospectively with the goal of assessing the expression of six mature miRNAs (hsa-miR-21, hsa-miR-155, hsa-miR-182, hsa-miR-34a, hsa-miR-148a, and hsa-miR-205) in breast fibroepithelial cancers using real-time PCR and predicting these miRNAs' targets using computational techniques. This study comprised 64 patients in total-55 with phyllodes tumors and 9 with fibroadenoma. The research was carried out at the Farhat Hached University Hospital's pathology department in Tunisia. These particular miRNAs expression levels were evaluated via qRT-PCR, and in silico techniques were utilized to predict potential miRNA targets. Analysis of miRNA expression in fibroadenoma and phyllodes tumor tissues revealed that miR-21, miR-155 and miR-182 were upregulated in PTs compared to fibroadenoma and normal tissues. We reported that miR-34a, miR-148a and miR-205 were downregulated in both borderline and malignant PTs compared to fibroadenoma and normal tissue. In silico miRNA target prediction suggested the involvement of these molecules in a wide context of cell signaling pathways.
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Affiliation(s)
- Mohamed Ridha Hachana
- Department of Biology, Higher School of Health of Monastir, University of Monastir, Tunisia
- Department of Pathology, CHU Farhat Hached of Sousse, Tunisia
| | - Mouna Maatouk
- Unit of Natural Bioactive Substances and Biotechnology UR12ES12, Faculty of Pharmacy of Monastir, University of Monastir, Tunisia
| | - Zayneb Lassouad
- Department of Pathology, CHU Farhat Hached of Sousse, Tunisia
| | | | - Moncef Mokni
- Department of Pathology, CHU Farhat Hached of Sousse, Tunisia
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7
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Zheng Y, Sukocheva O, Tse E, Neganova M, Aleksandrova Y, Zhao R, Chubarev V, Fan R, Liu J. MicroRNA-183 cluster: a promising biomarker and therapeutic target in gastrointestinal malignancies. Am J Cancer Res 2023; 13:6147-6175. [PMID: 38187051 PMCID: PMC10767355] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Accepted: 11/29/2023] [Indexed: 01/09/2024] Open
Abstract
Small non-coding RNAs (microRNA, miR), powerful epigenetic regulators, were found involved in the regulation of most biological functions via post-translational inhibition of protein expression. Increased expression of pro-oncogenic miRs (known as miR cancer biomarkers) and inhibition of pro-apoptotic miR expression have been demonstrated in different tumors. The recently identified miR-183 was found implicated in gastrointestinal tumor metabolism regulation. Elevated miR-183 expression and cancer-promoting effects were reported in esophageal and colorectal cancers, which was partially contradicted by controversial data observed in gastric cancers. Anti-cancer effect of miR-183 in gastric cancer cells was associated with the Bim-1 and Ezrin genes regulation. Many studies indicated that miR-183 can inhibit tumor suppressor genes in most cell lines, promoting tumor cell proliferation and migration. Increased miR-183 level results in the downregulation of FOXO1, PDCD4, and other tumor suppressor genes in gastrointestinal tumor cells. MiR-183 also influences the signaling of PI3K/AKT/mTOR, Wnt/β-catenin, and Bcl-2/p53 signaling pathways. Mir-183 inhibits apoptosis and autophagy, and promotes epithelial-to-mesenchymal transition, cancer cell proliferation, and migration. Accordingly, gastrointestinal cancer occurrence, development of chemoradiotherapy resistance, recurrence/metastasis, and prognosis were associated with miR-183 expression. The current study assessed reported miR-183 functions and signaling, providing new insights for the diagnosis and treatment of gastrointestinal malignancies.
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Affiliation(s)
- Yufei Zheng
- Department of Radiation Oncology, The First Affiliated Hospital of Zhengzhou UniversityZhengzhou 450052, Henan, China
| | - Olga Sukocheva
- Department of Hepatology, Royal Adelaide HospitalAdelaide, SA 5000, Australia
| | - Edmund Tse
- Department of Hepatology, Royal Adelaide HospitalAdelaide, SA 5000, Australia
| | - Margarita Neganova
- Institute of Physiologically Active Compounds at Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry, Russian Academy of SciencesSevernij Pr. 1, Chernogolovka 142432, Russia
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of SciencesAkad. Arbuzov St. 8, Kazan 420088, Russia
| | - Yulia Aleksandrova
- Institute of Physiologically Active Compounds at Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry, Russian Academy of SciencesSevernij Pr. 1, Chernogolovka 142432, Russia
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of SciencesAkad. Arbuzov St. 8, Kazan 420088, Russia
| | - Ruiwen Zhao
- Department of Radiation Oncology, The First Affiliated Hospital of Zhengzhou UniversityZhengzhou 450052, Henan, China
| | - Vladimir Chubarev
- Sechenov First Moscow State Medical University (Sechenov University)8-2 Trubetskaya St., Moscow 119991, Russia
| | - Ruitai Fan
- Department of Radiation Oncology, The First Affiliated Hospital of Zhengzhou UniversityZhengzhou 450052, Henan, China
| | - Junqi Liu
- Department of Radiation Oncology, The First Affiliated Hospital of Zhengzhou UniversityZhengzhou 450052, Henan, China
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Sameti P, Tohidast M, Amini M, Bahojb Mahdavi SZ, Najafi S, Mokhtarzadeh A. The emerging role of MicroRNA-182 in tumorigenesis; a promising therapeutic target. Cancer Cell Int 2023; 23:134. [PMID: 37438760 DOI: 10.1186/s12935-023-02972-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Accepted: 06/13/2023] [Indexed: 07/14/2023] Open
Abstract
A wide range of studies have indicated that microRNAs (miRNAs), a type of small single-stranded regulatory RNAs, are dysregulated in a different variety of human cancers. Therefore, they are expected to play important roles in tumorigenesis by functioning as oncogenic (oncomiRs) or tumor-suppressive miRNAs. Subsequently, their potential as diagnostic and therapeutic targets for malignancies has attracted attention in recent years. In particular, studies have revealed the aberrant expression of miR-182 through tumorigenesis and its important roles in various aspects of malignancies, including proliferation, metastasis, and chemoresistance. Accumulating reports have illustrated that miR-182, as a dual-role regulator, directly or indirectly regulates the expression of a wide range of genes and modulates the activity of various signaling pathways involved in tumor progression, such as JAK / STAT3, Wnt / β-catenin, TGF-β, and P13K / AKT. Therefore, considering the high therapeutic and diagnostic potential of miR-182, this review aims to point out the effects of miR-182 dysregulation on the signaling pathways involved in tumorigenesis.
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Affiliation(s)
- Pouriya Sameti
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Maryam Tohidast
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mohammad Amini
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | | | - Souzan Najafi
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Ahad Mokhtarzadeh
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
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9
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Rani M, Kumari R, Singh SP, Devi A, Bansal P, Siddiqi A, Alsahli MA, Almatroodi SA, Rahmani AH, Rizvi MMA. MicroRNAs as master regulators of FOXO transcription factors in cancer management. Life Sci 2023; 321:121535. [PMID: 36906255 DOI: 10.1016/j.lfs.2023.121535] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Revised: 02/19/2023] [Accepted: 02/23/2023] [Indexed: 03/12/2023]
Abstract
MicroRNAs are critical regulators of the plethora of genes, including FOXO "forkhead" dependent transcription factors, which are bonafide tumour suppressors. The FOXO family members modulate a hub of cellular processes like apoptosis, cell cycle arrest, differentiation, ROS detoxification, and longevity. Aberrant expression of FOXOs in human cancers has been observed due to their down-regulation by diverse microRNAs, which are predominantly involved in tumour initiation, chemo-resistance and tumour progression. Chemo-resistance is a major obstacle in cancer treatment. Over 90% of casualties in cancer patients are reportedly associated with chemo-resistance. Here, we have primarily discussed the structure, functions of FOXO and also their post-translational modifications which influence the activities of these FOXO family members. Further, we have addressed the role of microRNAs in carcinogenesis by regulating the FOXOs at post-transcriptional level. Therefore, microRNAs-FOXO axis can be exploited as a novel cancer therapy. The administration of microRNA-based cancer therapy is likely to be beneficial to curb chemo-resistance in cancers.
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Affiliation(s)
- Madhu Rani
- Genome Biology Laboratory, Department of Biosciences, Jamia Millia Islamia, New Delhi 110025, India
| | - Rashmi Kumari
- Genome Biology Laboratory, Department of Biosciences, Jamia Millia Islamia, New Delhi 110025, India
| | - Shashi Prakash Singh
- Special Centre for Molecular Medicine, Jawaharlal Nehru University, New Delhi 110067, India; Centre for Pharmacology and Therapeutics, Rosewell Park Comprehensive Care Centre, 665 Elm Street, Buffalo, NY, USA 14203
| | - Annu Devi
- Special Centre for Molecular Medicine, Jawaharlal Nehru University, New Delhi 110067, India
| | - Preeti Bansal
- Genome Biology Laboratory, Department of Biosciences, Jamia Millia Islamia, New Delhi 110025, India
| | - Aisha Siddiqi
- Genome Biology Laboratory, Department of Biosciences, Jamia Millia Islamia, New Delhi 110025, India
| | - Mohammed A Alsahli
- Department of Medical Laboratories, College of Applied Medical Sciences, Buraydah 51452, Saudi Arabia
| | - Saleh A Almatroodi
- Department of Medical Laboratories, College of Applied Medical Sciences, Buraydah 51452, Saudi Arabia
| | - Arshad Husain Rahmani
- Department of Medical Laboratories, College of Applied Medical Sciences, Buraydah 51452, Saudi Arabia
| | - M Moshahid Alam Rizvi
- Genome Biology Laboratory, Department of Biosciences, Jamia Millia Islamia, New Delhi 110025, India.
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10
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Bernardo VS, Torres FF, da Silva DGH. FoxO3 and oxidative stress: a multifaceted role in cellular adaptation. J Mol Med (Berl) 2023; 101:83-99. [PMID: 36598531 DOI: 10.1007/s00109-022-02281-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Revised: 12/14/2022] [Accepted: 12/16/2022] [Indexed: 01/05/2023]
Abstract
Oxidative stress is a major cause of morbidity and mortality in human health and disease. In this review, we focus on the Forkhead Box (Fox) subclass O3 (FoxO3), an extensively studied transcription factor that plays a pleiotropic role in a wide range of physiological and pathological processes by regulating multiple gene regulatory networks involved in the modulation of numerous aspects of cellular metabolism, including fuel metabolism, cell death, and stress resistance. This review will also focus on regulatory mechanisms of FoxO3 expression and activity, such as crucial post-translational modifications and non-coding RNAs. Moreover, this work discusses and evidences some pathways to how this transcription factor and reactive oxygen species regulate each other, which may lead to the pathogenesis of various types of diseases. Therefore, in addition to being a promising therapeutic target, the FoxO3-regulated signaling pathways can also be used as reliable diagnostic and prognostic biomarkers and indicators for drug responsiveness.
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Affiliation(s)
| | | | - Danilo Grünig Humberto da Silva
- Department of Biology, Universidade Estadual Paulista (UNESP), São Paulo, Brazil.
- Campus de Três Lagoas, Universidade Federal de Mato Grosso Do Sul (CPTL/UFMS), Avenida Ranulpho Marques Leal, 3484, Três Lagoas, Mato Grosso Do Sul, Distrito Industrial-Post code 79613-000, Brazil.
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11
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Yu Y, Yao W, Wang T, Xue W, Meng Y, Cai L, Jian W, Yu Y, Zhang C. FBXL6 depletion restrains clear cell renal cell carcinoma progression. Transl Oncol 2022; 26:101550. [PMID: 36183674 PMCID: PMC9526225 DOI: 10.1016/j.tranon.2022.101550] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2022] [Revised: 09/19/2022] [Accepted: 09/23/2022] [Indexed: 11/23/2022] Open
Abstract
BACKGROUND F-box proteins play important roles in cell cycle and tumorigenesis. However, its prognostic value and molecular function in clear cell renal cell carcinoma (ccRCC) remain unclear. In this study, we established a survival model to evaluate the prognosis of patients with ccRCC using the F-box gene signature and investigated the function of FBXL6 in ccRCC. METHODS Comprehensive bioinformatics analyses were used to identify differentially expressed F-box and hub genes associated with ccRCC carcinogenesis. Based on the F-box gene signature, we constructed a risk model and nomogram to predict the overall survival (OS) of patients with ccRCC and assist clinicians in decision-making. Finally, we verified the function and underlying molecular mechanisms of FBXL6 in ccRCC using CCK-8 and EdU assays, flow cytometry, and subcutaneous xenografts. RESULTS A risk model based on FBXO39, FBXL6, FBXO1, and FBXL16 was developed. In addition, we drew a nomogram based on the risk score and clinical features to assess the prognosis of patients with ccRCC. Subsequently, we identified FBXL6 as an independent prognostic marker that was highly expressed in ccRCC cell lines. In vivo and in vitro assays revealed that the depletion of FBXL6 inhibited cell proliferation and induced apoptosis. We also demonstrated that SP1 regulated the expression of FBXL6. CONCLUSIONS FBXL6 was first identified as a diagnostic and prognostic marker in patients with ccRCC. Loss of FBXL6 attenuates proliferation and induces apoptosis in ccRCC cells. SP1 was also found to regulate the expression of FBXL6.
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Affiliation(s)
- Yongchun Yu
- Department of Urology, The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, China
| | - Wenhao Yao
- Department of Urology, The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, China
| | - Tengda Wang
- Department of Urology, The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, China
| | - Wei Xue
- Department of Urology, The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, China
| | - Yuyang Meng
- Department of Urology, The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, China
| | - Licheng Cai
- Department of Urology, The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, China
| | - Wengang Jian
- Department of Urology, The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, China
| | - Yipeng Yu
- Department of Urology, The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, China
| | - Cheng Zhang
- Department of Urology, The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, China; School of Medicine, Zhejiang University, Hangzhou, 310058, China.
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12
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Young MJ, Chen YC, Wang SA, Chang HP, Yang WB, Lee CC, Liu CY, Tseng YL, Wang YC, Sun HS, Chang WC, Hung JJ. Estradiol-mediated inhibition of Sp1 decreases miR-3194-5p expression to enhance CD44 expression during lung cancer progression. J Biomed Sci 2022; 29:3. [PMID: 35034634 PMCID: PMC8762881 DOI: 10.1186/s12929-022-00787-1] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Accepted: 01/07/2022] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND Sp1, an important transcription factor, is involved in the progression of various cancers. Our previous studies have indicated that Sp1 levels are increased in the early stage of lung cancer progression but decrease during the late stage, leading to poor prognosis. In addition, estrogen has been shown to be involved in lung cancer progression. According to previous studies, Sp1 can interact with the estrogen receptor (ER) to coregulate gene expression. The role of interaction between Sp1 and ER in lung cancer progression is still unknown and will be clarified in this study. METHODS The clinical relevance between Sp1 levels and survival rates in young women with lung cancer was studied by immunohistochemistry. We validated the sex dependence of lung cancer progression in EGFRL858R-induced lung cancer mice. Wound healing assays, chamber assays and sphere formation assays in A549 cells, Taxol-induced drug-resistant A549 (A549-T24) and estradiol (E2)-treated A549 (E2-A549) cells were performed to investigate the roles of Taxol and E2 in lung cancer progression. Luciferase reporter assays, immunoblot and q-PCR were performed to evaluate the interaction between Sp1, microRNAs and CD44. Tail vein-injected xenograft experiments were performed to study lung metastasis. Samples obtained from lung cancer patients were used to study the mRNA level of CD44 by q-PCR and the protein levels of Sp1 and CD44 by immunoblot and immunohistochemistry. RESULTS In this study, we found that Sp1 expression was decreased in premenopausal women with late-stage lung cancer, resulting in a poor prognosis. Tumor formation was more substantial in female EGFRL858R mice than in male mice and ovariectomized female mice, indicating that E2 might be involved in the poor prognosis of lung cancer. We herein report that Sp1 negatively regulates metastasis and cancer stemness in E2-A549 and A549-T24 cells. Furthermore, E2 increases the mRNA and protein levels of RING finger protein 4 (RNF4), which is the E3-ligase of Sp1, and thereby decreases Sp1 levels by promoting Sp1 degradation. Sp1 can be recruited to the promoter of miR-3194-5p, and positively regulate its expression. Furthermore, there was a strong inverse correlation between Sp1 and CD44 levels in clinical lung cancer specimens. Sp1 inhibited CD44 expression by increasing the expression of miR-3194-5p, miR-218-5p, miR-193-5p, miR-182-5p and miR-135-5p, ultimately resulting in lung cancer malignancy. CONCLUSION Premenopausal women with lung cancer and decreased Sp1 levels have a poor prognosis. E2 increases RNF4 expression to repress Sp1 levels in premenopausal women with lung cancer, thus decreasing the expression of several miRNAs that can target CD44 and ultimately leading to cancer malignancy.
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Affiliation(s)
- Ming-Jer Young
- Department of Biotechnology and Bioindustry Sciences, National Cheng Kung University, Tainan, Taiwan
| | - Yung-Ching Chen
- Department of Biotechnology and Bioindustry Sciences, National Cheng Kung University, Tainan, Taiwan
| | - Shao-An Wang
- School of Respiratory Therapy, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Hui-Ping Chang
- Department of Biotechnology and Bioindustry Sciences, National Cheng Kung University, Tainan, Taiwan
| | - Wen-Bin Yang
- TMU Research Center of Neuroscience, Taipei Medical University, 11031, Taipei, Taiwan
| | - Chia-Chi Lee
- Division of Thoracic Surgery, Department of Surgery, College of Medicine National, Cheng Kung University, Tainan, Taiwan
| | - Chia-Yu Liu
- Department of Biotechnology and Bioindustry Sciences, National Cheng Kung University, Tainan, Taiwan
| | - Yau-Lin Tseng
- Division of Thoracic Surgery, Department of Surgery, College of Medicine National, Cheng Kung University, Tainan, Taiwan
| | - Yi-Ching Wang
- Department of Pharmacology, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - H Sunny Sun
- Institute of Molecular Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Wen-Chang Chang
- The Ph.D. Program for Neural Regenerative Medicine, College of Medical Science and Technology, Taipei Medical University, Taipei, Taiwan
| | - Jan-Jong Hung
- Department of Biotechnology and Bioindustry Sciences, National Cheng Kung University, Tainan, Taiwan.
- Graduate Institute of Medical Sciences, College of Medicine, Taipei Medical University, Taipei, Taiwan.
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13
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Dashti F, Mirazimi SMA, Rabiei N, Fathazam R, Rabiei N, Piroozmand H, Vosough M, Rahimian N, Hamblin MR, Mirzaei H. The role of non-coding RNAs in chemotherapy for gastrointestinal cancers. MOLECULAR THERAPY. NUCLEIC ACIDS 2021; 26:892-926. [PMID: 34760336 PMCID: PMC8551789 DOI: 10.1016/j.omtn.2021.10.004] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Gastrointestinal (GI) cancers, including colorectal, gastric, hepatic, esophageal, and pancreatic tumors, are responsible for large numbers of deaths around the world. Chemotherapy is the most common approach used to treat advanced GI cancer. However, chemoresistance has emerged as a critical challenge that prevents successful tumor elimination, leading to metastasis and recurrence. Chemoresistance mechanisms are complex, and many factors and pathways are involved. Among these factors, non-coding RNAs (ncRNAs) are critical regulators of GI tumor development and subsequently can induce resistance to chemotherapy. This occurs because ncRNAs can target multiple signaling pathways, affect downstream genes, and modulate proliferation, apoptosis, tumor cell migration, and autophagy. ncRNAs can also induce cancer stem cell features and affect the epithelial-mesenchymal transition. Thus, ncRNAs could possibly act as new targets in chemotherapy combinations to treat GI cancer and to predict treatment response.
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Affiliation(s)
- Fatemeh Dashti
- School of Medicine, Kashan University of Medical Sciences, Kashan, Iran
- Student Research Committee, Kashan University of Medical Sciences, Kashan, Iran
| | - Seyed Mohammad Ali Mirazimi
- School of Medicine, Kashan University of Medical Sciences, Kashan, Iran
- Student Research Committee, Kashan University of Medical Sciences, Kashan, Iran
| | - Nikta Rabiei
- School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Reza Fathazam
- School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Negin Rabiei
- School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Haleh Piroozmand
- Faculty of Veterinary Sciences, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Massoud Vosough
- Department of Regenerative Medicine, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
| | - Neda Rahimian
- Endocrine Research Center, Institute of Endocrinology and Metabolism, Iran University of Medical Sciences (IUMS), Tehran, Iran
| | - Michael R. Hamblin
- Laser Research Centre, Faculty of Health Science, University of Johannesburg, Doornfontein 2028, South Africa
- Radiation Biology Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Hamed Mirzaei
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran
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14
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Yang W, Yin Y, Bi L, Wang Y, Yao J, Xu L, Jiao L. MiR-182-5p promotes the Metastasis and Epithelial-mesenchymal Transition in Non-small Cell Lung Cancer by Targeting EPAS1. J Cancer 2021; 12:7120-7129. [PMID: 34729113 PMCID: PMC8558643 DOI: 10.7150/jca.60419] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2021] [Accepted: 09/21/2021] [Indexed: 01/17/2023] Open
Abstract
Background: Dysregulation of microRNAs (miRNAs) is associated with the pathogenesis of non-small cell lung cancer (NSCLC). However, the mechanisms through which miR-182-5p regulate NSCLC progression have not been established. This study aimed at evaluating the expression levels of miR-182-5p in human NSCLC and its function in lung cancer cells. Endothelial PAS Domain-containing protein 1 (EPAS1; also referred to as hypoxia-inducing factor 2A, HIF-2α) is a transcription factor that is responsible for induction of genes related to cell survival under hypoxia conditions. Hypoxia, an inherent feature of solid tumors, is associated with aggressive phenotypes, as well as resistance to radiotherapy and chemotherapy, which predict metastasis and poor prognosis. Methods: The Cancer Genome Atlas (TCGA) dataset was used to investigate the association between miR-182-5p expression and clinicopathological characteristics as well as prognosis of NSCLC patients. Target genes of miR-182-5p were identified using the PITA, miRmap, microT, miRanda, PicTar, and TargetScan prediction tools. Transwell assays were performed to determine the potential functions of miR-182-5p in lung cancer cells. Luciferase reporter assays were performed to analyze regulation of the putative target of miR-182-5p while western blot assays were used to validate the luciferase results. Results: miR-182-5p was found to be upregulated in NSCLC tissues and acted as an independent prognostic factor for tumor recurrence in NSCLC patients. Functionally, overexpression of miR-182-5p promoted lung cancer cell migration and invasion. Genome-wide gene expression analysis and luciferase report assays revealed that EPAS1 is a direct target of miR-182-5p. EPAS1 was negatively correlated with miR-182-5p expression in NSCLC tissues. Univariate and multivariate survival analyses identified EPAS1 as an independent prognostic factor for overall survival (OS) in NSCLC. Conclusions: These findings imply that miR-182-5p promotes NSCLC progression by targeting EPAS1 and is, therefore, a potential indicator of tumor recurrence in NSCLC patients.
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Affiliation(s)
- Wenxiao Yang
- Department of Oncology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Yinan Yin
- Department of Oncology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Ling Bi
- Department of Oncology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Yichao Wang
- Department of Oncology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Jialin Yao
- Department of Oncology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Ling Xu
- Department of Oncology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China.,Cancer Institute of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Lijing Jiao
- Department of Oncology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China.,Institute of Clinical Immunology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
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15
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Yang WB, Wu AC, Hsu TI, Liou JP, Lo WL, Chang KY, Chen PY, Kikkawa U, Yang ST, Kao TJ, Chen RM, Chang WC, Ko CY, Chuang JY. Histone deacetylase 6 acts upstream of DNA damage response activation to support the survival of glioblastoma cells. Cell Death Dis 2021; 12:884. [PMID: 34584069 PMCID: PMC8479077 DOI: 10.1038/s41419-021-04182-w] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Revised: 08/29/2021] [Accepted: 09/16/2021] [Indexed: 12/24/2022]
Abstract
DNA repair promotes the progression and recurrence of glioblastoma (GBM). However, there remain no effective therapies for targeting the DNA damage response and repair (DDR) pathway in the clinical setting. Thus, we aimed to conduct a comprehensive analysis of DDR genes in GBM specimens to understand the molecular mechanisms underlying treatment resistance. Herein, transcriptomic analysis of 177 well-defined DDR genes was performed with normal and GBM specimens (n = 137) from The Cancer Genome Atlas and further integrated with the expression profiling of histone deacetylase 6 (HDAC6) inhibition in temozolomide (TMZ)-resistant GBM cells and patient-derived tumor cells. The effects of HDAC6 inhibition on DDR signaling were examined both in vitro and intracranial mouse models. We found that the expression of DDR genes, involved in repair pathways for DNA double-strand breaks, was upregulated in highly malignant primary and recurrent brain tumors, and their expression was related to abnormal clinical features. However, a potent HDAC6 inhibitor, MPT0B291, attenuated the expression of these genes, including RAD51 and CHEK1, and was more effective in blocking homologous recombination repair in GBM cells. Interestingly, it resulted in lower cytotoxicity in primary glial cells than other HDAC6 inhibitors. MPT0B291 reduced the growth of both TMZ-sensitive and TMZ-resistant tumor cells and prolonged survival in mouse models of GBM. We verified that HDAC6 regulated DDR genes by affecting Sp1 expression, which abolished MPT0B291-induced DNA damage. Our findings uncover a regulatory network among HDAC6, Sp1, and DDR genes for drug resistance and survival of GBM cells. Furthermore, MPT0B291 may serve as a potential lead compound for GBM therapy.
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Affiliation(s)
- Wen-Bin Yang
- TMU Research Center of Neuroscience, Taipei Medical University, 11031, Taipei, Taiwan
- Graduate Institute of Medical Sciences, College of Medicine, Taipei Medical University, 11031, Taipei, Taiwan
- The Ph.D. Program for Neural Regenerative Medicine, College of Medical Science and Technology, Taipei Medical University, 11031, Taipei, Taiwan
| | - An-Chih Wu
- Graduate Institute of Medical Sciences, College of Medicine, Taipei Medical University, 11031, Taipei, Taiwan
| | - Tsung-I Hsu
- TMU Research Center of Neuroscience, Taipei Medical University, 11031, Taipei, Taiwan
- The Ph.D. Program for Neural Regenerative Medicine, College of Medical Science and Technology, Taipei Medical University, 11031, Taipei, Taiwan
- TMU Research Center of Cancer Translational Medicine, Taipei Medical University, 11031, Taipei, Taiwan
- Cell Physiology and Molecular Image Research Center, Wan Fang Hospital, Taipei Medical University, 11031, Taipei, Taiwan
| | - Jing-Ping Liou
- School of Pharmacy, College of Pharmacy, Taipei Medical University, 11031, Taipei, Taiwan
- TMU Research Center of Drug Discovery, Taipei Medical University, 11031, Taipei, Taiwan
| | - Wei-Lun Lo
- Department of Neurosurgery, Shuang Ho Hospital, Taipei Medical University, 23561, New Taipei City, Taiwan
- Department of Surgery, School of Medicine, College of Medicine, Taipei Medical University, 11031, Taipei, Taiwan
| | - Kwang-Yu Chang
- National Institute of Cancer Research, National Health Research Institutes, 70456, Tainan, Taiwan
| | - Pin-Yuan Chen
- Department of Neurosurgery, Keelung Chang Gung Memorial Hospital, 20401, Keelung, Taiwan
| | - Ushio Kikkawa
- Graduate Institute of Medical Sciences, College of Medicine, Taipei Medical University, 11031, Taipei, Taiwan
| | - Shung-Tai Yang
- Department of Neurosurgery, Shuang Ho Hospital, Taipei Medical University, 23561, New Taipei City, Taiwan
| | - Tzu-Jen Kao
- TMU Research Center of Neuroscience, Taipei Medical University, 11031, Taipei, Taiwan
- The Ph.D. Program for Neural Regenerative Medicine, College of Medical Science and Technology, Taipei Medical University, 11031, Taipei, Taiwan
| | - Ruei-Ming Chen
- Graduate Institute of Medical Sciences, College of Medicine, Taipei Medical University, 11031, Taipei, Taiwan
- TMU Research Center of Cancer Translational Medicine, Taipei Medical University, 11031, Taipei, Taiwan
| | - Wen-Chang Chang
- Graduate Institute of Medical Sciences, College of Medicine, Taipei Medical University, 11031, Taipei, Taiwan
- The Ph.D. Program for Neural Regenerative Medicine, College of Medical Science and Technology, Taipei Medical University, 11031, Taipei, Taiwan
| | - Chiung-Yuan Ko
- TMU Research Center of Neuroscience, Taipei Medical University, 11031, Taipei, Taiwan.
- The Ph.D. Program for Neural Regenerative Medicine, College of Medical Science and Technology, Taipei Medical University, 11031, Taipei, Taiwan.
- TMU Research Center of Cancer Translational Medicine, Taipei Medical University, 11031, Taipei, Taiwan.
| | - Jian-Ying Chuang
- TMU Research Center of Neuroscience, Taipei Medical University, 11031, Taipei, Taiwan.
- The Ph.D. Program for Neural Regenerative Medicine, College of Medical Science and Technology, Taipei Medical University, 11031, Taipei, Taiwan.
- TMU Research Center of Cancer Translational Medicine, Taipei Medical University, 11031, Taipei, Taiwan.
- Cell Physiology and Molecular Image Research Center, Wan Fang Hospital, Taipei Medical University, 11031, Taipei, Taiwan.
- Department of Biomedical Science and Environmental Biology, Kaohsiung Medical University, 80708, Kaohsiung, Taiwan.
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16
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Zhang F, Jiang H, Wang N, Xu S, Zhang Y. Comprehensive network analysis of different subtypes of molecular disorders in lung cancer. Am J Transl Res 2021; 13:9248-9259. [PMID: 34540041 PMCID: PMC8430083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Accepted: 05/22/2021] [Indexed: 06/13/2023]
Abstract
Lung cancer is the leading cause of cancer-related death worldwide. In this study, we attempted to identify the common pathogenesis of lung adenocarcinoma (LUAD) and lung squamous cell carcinoma (LUSC) based on a modular and comprehensive analysis method. Data were downloaded and the differences analyzed in LUAD samples, LUSC samples, and normal samples, respectively. Co-expression analysis, enrichment analysis, and hypergeometric testing were used to predict transcription factors (TFs) and ncRNAs, as well as target genes. We obtained 4,596 differentially expressed genes which were clustered into 14 modules dysfunction. The 14 clustered genes (including DOK2, COL5A1, and TSPAN8) were identified as the core genes of the module. Module genes are substantially involved in biological processes, such as extracellular matrix, carbohydrate binding and renal system development, and signal transduction as well, including PPAR signal transduction, cGMP-PKG signal transduction, PI3K-Akt signal transduction, and Apelin signal transduction. We identified ncRNA (miR-335-5p, ANCR, TUG1) and transcription factors (RELA, SP1) to regulate dysfunction module genes essentially. The analysis showed that comprehensive co-expression analysis contributes to understanding the TF ncRNA. Moreover, it assisted in further understanding of the molecular pathogenesis of co-expression of modular genes that regulate LUAD and LUSC. It provided a precious resource and theoretical basis for further experiments.
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Affiliation(s)
- Fengxia Zhang
- Department of Nursing, The First Affiliated Hospital of Shandong First Medical UniversityJinan, Shandong, China
| | - Haihua Jiang
- Department of Internal Medicine, Penglai Hospital of Traditional Chinese MedicinePenglai, China
| | - Na Wang
- Department of Nursing, The First Affiliated Hospital of Shandong First Medical UniversityJinan, Shandong, China
| | - Shanshan Xu
- Department of Nursing, The First Affiliated Hospital of Shandong First Medical UniversityJinan, Shandong, China
| | - Yun Zhang
- Department of Nursing, The First Affiliated Hospital of Shandong First Medical UniversityJinan, Shandong, China
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17
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Bai L, Luo L, Gao W, Bu C, Huang J. miR-182 modulates cell proliferation and invasion in prostate cancer via targeting ST6GALNAC5. ACTA ACUST UNITED AC 2021; 54:e9695. [PMID: 34037099 PMCID: PMC8148881 DOI: 10.1590/1414-431x2020e9695] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2020] [Accepted: 03/12/2021] [Indexed: 02/06/2023]
Abstract
Altered expression of miR-182 has been observed in various types of human cancer. The purpose of this study was to investigate the expression of miR-182 and its role in prostate cancer (PCa). Expression of miR-182 and ST6GALNAC5 in tumor tissues and the Du145 PCa cell line was analyzed. Cell proliferation assay, colony formation assay, transwell assay, and wound healing assay were performed. The impact of miR-182 on tumor growth was investigated using a xenograft model. The results indicated that expression of miR-182 was higher in PCa tissues and cell lines, while ST6GALNAC5 was decreased. Downregulating miR-182 significantly inhibited the capacities of proliferation and invasion of PC3 and Du145 cells. ST6GALNAC5 was demonstrated to be a target of miR-182 by luciferase assay, and western blot results indicated PI3K/Akt pathway was involved in miR-182 associated effects on PC3 and Du145 cells. The animal experiment suggested that knockdown of miR-182 inhibited tumor growth. Our study proved that miR-182 participated in the proliferation and invasion of PCa cells via mediating expression of ST6GALNAC5 and established a miR-182/ST6GALNAC5/PI3K/AKT axis in regulation of tumor progression. Our investigation provided a basis for further exploration of the application of miR-182 or ST6GALNAC5-associated therapies for PCa patients.
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Affiliation(s)
- Liang Bai
- Department of Urology, The First Affiliated Hospital, School of Clinical Medicine of Guangdong Pharmaceutical University, Guangzhou, China
| | - Li Luo
- Department of Urology, The First Affiliated Hospital, School of Clinical Medicine of Guangdong Pharmaceutical University, Guangzhou, China
| | - Weicheng Gao
- Department of Urology, The First Affiliated Hospital, School of Clinical Medicine of Guangdong Pharmaceutical University, Guangzhou, China
| | - Chenfeng Bu
- Department of Urology, The First Affiliated Hospital, School of Clinical Medicine of Guangdong Pharmaceutical University, Guangzhou, China
| | - Jianfeng Huang
- Department of Urology, People's Hospital of Liannan Yao Autonomous County, Qingyuan, China
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18
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Zhang T, Li W, Gu M, Wang Z, Zhou S, Hao X, Li W, Xu S. Clinical Significance of miR-183-3p and miR-182-5p in NSCLC and Their Correlation. Cancer Manag Res 2021; 13:3539-3550. [PMID: 33953608 PMCID: PMC8089025 DOI: 10.2147/cmar.s305179] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Accepted: 04/06/2021] [Indexed: 01/19/2023] Open
Abstract
Purpose Accumulating evidence has indicated that dysregulated microRNAs (miRNAs) are involved in cancer progression. In this study, we evaluated the clinicopathologic significance of miR-183-3p and miR-182-5p, and the role of miR-183-3p in non-small-cell lung cancer (NSCLC) progression. Patients and Methods Seventy-six NSCLC patients from Beijing Chest Hospital were included. The expression of miR-183-3p and miR-182-5p was evaluated by real-time quantitative polymerase chain reaction (RT-qPCR). Then, cell growth curve assays and colony formation assays were performed. Bioinformatics analysis of TCGA database was performed to explore the clinicopathological significance and prognostic value. Results miR-183-3p and miR-182-5p were significantly increased in NSCLC tumor tissues (both P < 0.0001) and were positively correlated (r = 0.8519, P < 0.0001). miR-183-3p (P = 0.0444) and miR-182-5p (P = 0.0132) were correlated with tumor size. In addition, miR-183-3p (P = 0.0135) and miR-182-5p (P = 0.0009) were upregulated in normal lung tissues from smokers. In vitro, miR-183-3p was correlated with cell proliferation. In addition, bioinformatics analysis indicated that miR-183-3p was correlated with poor prognosis (P = 0.0466) and tumor size (P = 0.0017). In addition, miR-183-3p was higher in lung squamous carcinoma (LUSC) tissue (P < 0.0001) than in lung adenocarcinoma (LUAD) tissue, and miR-183-3p was higher in the tumor tissue of smokers (P = 0.0053) than in that of nonsmokers. Conclusion Upregulation of miR-183-3p and miR-182-5p may play an oncogenic role in NSCLC. miR-183-3p could be used as a potential prognostic biomarker and therapeutic target to manage lung cancer.
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Affiliation(s)
- Tianxiang Zhang
- Department of Cellular and Molecular Biology, Beijing Chest Hospital, Capital Medical University/Beijing Tuberculosis and Thoracic Tumor Research Institute, Beijing, People's Republic of China
| | - Wei Li
- Department of Thoracic Surgery, Beijing Chest Hospital, Capital Medical University/Beijing Tuberculosis and Thoracic Tumor Research Institute, Beijing, People's Republic of China
| | - Meng Gu
- Department of Cellular and Molecular Biology, Beijing Chest Hospital, Capital Medical University/Beijing Tuberculosis and Thoracic Tumor Research Institute, Beijing, People's Republic of China
| | - Ziyu Wang
- Department of Cellular and Molecular Biology, Beijing Chest Hospital, Capital Medical University/Beijing Tuberculosis and Thoracic Tumor Research Institute, Beijing, People's Republic of China
| | - Shijie Zhou
- Department of Thoracic Surgery, Beijing Chest Hospital, Capital Medical University/Beijing Tuberculosis and Thoracic Tumor Research Institute, Beijing, People's Republic of China
| | - Xuefeng Hao
- Department of Cellular and Molecular Biology, Beijing Chest Hospital, Capital Medical University/Beijing Tuberculosis and Thoracic Tumor Research Institute, Beijing, People's Republic of China
| | - Weiying Li
- Department of Cellular and Molecular Biology, Beijing Chest Hospital, Capital Medical University/Beijing Tuberculosis and Thoracic Tumor Research Institute, Beijing, People's Republic of China
| | - Shaofa Xu
- Department of Cellular and Molecular Biology, Beijing Chest Hospital, Capital Medical University/Beijing Tuberculosis and Thoracic Tumor Research Institute, Beijing, People's Republic of China
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Zhong S, Golpon H, Zardo P, Borlak J. miRNAs in lung cancer. A systematic review identifies predictive and prognostic miRNA candidates for precision medicine in lung cancer. Transl Res 2021; 230:164-196. [PMID: 33253979 DOI: 10.1016/j.trsl.2020.11.012] [Citation(s) in RCA: 90] [Impact Index Per Article: 30.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/22/2020] [Revised: 11/05/2020] [Accepted: 11/24/2020] [Indexed: 02/08/2023]
Abstract
Lung cancer (LC) is the leading cause of cancer-related death worldwide and miRNAs play a key role in LC development. To better diagnose LC and to predict drug treatment responses we evaluated 228 articles encompassing 16,697 patients and 12,582 healthy controls. Based on the criteria of ≥3 independent studies and a sensitivity and specificity of >0.8 we found blood-borne miR-20a, miR-10b, miR-150, and miR-223 to be excellent diagnostic biomarkers for non-small cell LC whereas miR-205 is specific for squamous cell carcinoma. The systematic review also revealed 38 commonly regulated miRNAs in tumor tissue and the circulation, thus enabling the prediction of histological subtypes of LC. Moreover, theranostic biomarker candidates with proven responsiveness to checkpoint inhibitor treatments were identified, notably miR-34a, miR-93, miR-106b, miR-181a, miR-193a-3p, and miR-375. Conversely, miR-103a-3p, miR-152, miR-152-3p, miR-15b, miR-16, miR-194, miR-34b, and miR-506 influence programmed cell death-ligand 1 and programmed cell death-1 receptor expression, therefore providing a rationale for the development of molecularly targeted therapies. Furthermore, miR-21, miR-25, miR-27b, miR-19b, miR-125b, miR-146a, and miR-210 predicted response to platinum-based treatments. We also highlight controversial reports on specific miRNAs. In conclusion, we report diagnostic miRNA biomarkers for in-depth clinical evaluation. Furthermore, in an effort to avoid unnecessary toxicity we propose predictive biomarkers. The biomarker candidates support personalized treatment decisions of LC patients and await their confirmation in randomized clinical trials.
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Affiliation(s)
- Shen Zhong
- Centre for Pharmacology and Toxicology, Hannover Medical School, Hannover, Germany
| | - Heiko Golpon
- Department of Pneumology, Hannover Medical School, Hannover, Germany
| | - Patrick Zardo
- Clinic for Cardiothoracic and Transplantation Surgery, Hannover Medical School, Hannover, Germany
| | - Jürgen Borlak
- Centre for Pharmacology and Toxicology, Hannover Medical School, Hannover, Germany.
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20
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Li Z, Kong X, Zhang Y, Zhang Y, Yu L, Guo J, Xu Y. Dual roles of chromatin remodeling protein BRG1 in angiotensin II-induced endothelial-mesenchymal transition. Cell Death Dis 2020; 11:549. [PMID: 32683412 PMCID: PMC7368857 DOI: 10.1038/s41419-020-02744-y] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Revised: 07/01/2020] [Accepted: 07/02/2020] [Indexed: 12/14/2022]
Abstract
Endothelial–mesenchymal transition (EndMT) is considered one of the processes underlying tissue fibrosis by contributing to the pool of myofibroblasts. In the present study, we investigated the epigenetic mechanism whereby angiotensin II (Ang II) regulates EndMT to promote cardiac fibrosis focusing on the role of chromatin remodeling protein BRG1. BRG1 knockdown or inhibition attenuated Ang II-induced EndMT, as evidenced by down-regulation of CDH5, an endothelial marker, and up-regulation of COL1A2, a mesenchymal marker, in cultured vascular endothelial cells. On the one hand, BRG1 interacted with and was recruited by Sp1 to the SNAI2 (encoding SLUG) promoter to activate SNAI2 transcription in response to Ang II stimulation. Once activated, SLUG bound to the CDH5 promoter to repress CDH5 transcription. On the other hand, BRG1 interacted with and was recruited by SRF to the COL1A2 promoter to activate COL1A2 transcription. Mechanistically, BRG1 evicted histones from the target promoters to facilitate the bindings of Sp1 and SRF. Finally, endothelial conditional BRG1 knockout mice (CKO) exhibited a reduction in cardiac fibrosis, compared to the wild type (WT) littermates, in response to chronic Ang II infusion. In conclusion, our data demonstrate that BRG1 is a key transcriptional coordinator programming Ang II-induced EndMT to contribute to cardiac fibrosis.
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Affiliation(s)
- Zilong Li
- Key Laboratory of Targeted Intervention of Cardiovascular Disease and Collaborative Innovation Center for Cardiovascular Translational Medicine, Department of Pathophysiology, Nanjing Medical University, Nanjing, China.,Institute of Biomedical Research, Liaocheng University, Liaocheng, China
| | - Xiaochen Kong
- Department of Endocrinology, Affiliated Nanjing Municipal Hospital of Nanjing Medical University, Nanjing, China
| | - Yuanyuan Zhang
- Hainan Provincial Key Laboratory for Tropical Cardiovascular Diseases Research and Key Laboratory of Emergency and Trauma of Ministry of Education, Institute of Cardiovascular Research of the First Affiliated Hospital, Hainan Medical University, Haikou, China
| | - Yangxi Zhang
- Key Laboratory of Targeted Intervention of Cardiovascular Disease and Collaborative Innovation Center for Cardiovascular Translational Medicine, Department of Pathophysiology, Nanjing Medical University, Nanjing, China
| | - Liming Yu
- Key Laboratory of Targeted Intervention of Cardiovascular Disease and Collaborative Innovation Center for Cardiovascular Translational Medicine, Department of Pathophysiology, Nanjing Medical University, Nanjing, China
| | - Junli Guo
- Hainan Provincial Key Laboratory for Tropical Cardiovascular Diseases Research and Key Laboratory of Emergency and Trauma of Ministry of Education, Institute of Cardiovascular Research of the First Affiliated Hospital, Hainan Medical University, Haikou, China.
| | - Yong Xu
- Key Laboratory of Targeted Intervention of Cardiovascular Disease and Collaborative Innovation Center for Cardiovascular Translational Medicine, Department of Pathophysiology, Nanjing Medical University, Nanjing, China. .,Institute of Biomedical Research, Liaocheng University, Liaocheng, China.
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21
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Liu Y, Shi SL. The roles of hnRNP A2/B1 in RNA biology and disease. WILEY INTERDISCIPLINARY REVIEWS-RNA 2020; 12:e1612. [PMID: 32588964 DOI: 10.1002/wrna.1612] [Citation(s) in RCA: 61] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Revised: 05/25/2020] [Accepted: 05/26/2020] [Indexed: 12/12/2022]
Abstract
The RNA-binding protein hnRNPA2/B1 is a member of the hnRNPs family and is widely expressed in various tissues. hnRNPA2/B1 recognizes and binds specific RNA substrates and DNA motifs and is involved in the transcription, splicing processing, transport, stability, and translation regulation of a variety of RNA molecules and in regulating the expression of a large number of genes. hnRNPA2/B1 is also involved in telomere maintenance and DNA repair, while its expression changes and mutations are involved in the development of various tumors and neurodegenerative and autoimmune diseases. This paper reviews the role and mechanism of hnRNPA2/B1 in RNA metabolism, tumors, and neurodegenerative and autoimmune diseases. This article is categorized under: RNA Interactions with Proteins and Other Molecules > Protein-RNA Interactions: Functional Implications RNA in Disease and Development > RNA in Disease.
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Affiliation(s)
- Yu Liu
- Cancer Research Center, School of Medicine, Xiamen University, Xiamen, China.,School of Life Science and Biotechnology, Shanghai Jiao Tong University, Shanghai, China
| | - Song-Lin Shi
- Cancer Research Center, School of Medicine, Xiamen University, Xiamen, China
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22
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Wang S, Li Y, Sun S, Cai J, Cao J. Sp1 promotes ovarian cancer cell migration through repressing miR-335 expression. Biochem Biophys Res Commun 2020; 524:211-216. [PMID: 31983431 DOI: 10.1016/j.bbrc.2020.01.063] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Accepted: 01/11/2020] [Indexed: 12/28/2022]
Abstract
Decreased miR-335 has been reported in a variety of cancers. We previously showed that miR-335 played an important role in ovarian cancer metastasis and prognosis. However, miR-335 is down-regulated in ovarian cancer by mechanisms that remain unclear. In silico analysis identified putative transcription factor specificity protein 1 (SP1) transcription factor binding sites in the miR-335 promoter. To investigate the relation between SP1 and miR-335, qRT-PCR was performed. Our results showed both Sp1 knockdown and mithramycin A increased miR-335 expression in ovarian cancer cell lines. Luciferase reporter assays indicated that Sp1 knockdown increased miR-335 transcriptional activity. ChIP experiments showed that Sp1 bound directly to miR-335 promoter. Moreover, transwell migration and wound-healing assays showed that Sp1 knockdown resulted in inhibited cell migration, which was in turn mitigated by miR-335 inhibitor. We propose that miR-335 was negatively regulated by SP1, which in turn contributes to miR-335 deregulation and tumor cells migration.
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Affiliation(s)
- Shaohai Wang
- Department of Obstetrics and Gynecology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Yuan Li
- Department of Obstetrics and Gynecology, The First People's Hospital of Shangqiu, Shangqiu, China
| | - Si Sun
- Department of Obstetrics and Gynecology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Jing Cai
- Department of Obstetrics and Gynecology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Jin Cao
- Department of Obstetrics and Gynecology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.
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23
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Sp1 in Astrocyte Is Important for Neurite Outgrowth and Synaptogenesis. Mol Neurobiol 2019; 57:261-277. [PMID: 31317491 DOI: 10.1007/s12035-019-01694-7] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2018] [Accepted: 07/03/2019] [Indexed: 02/04/2023]
Abstract
In this study, we found that Sp1 was highly expressed in astrocytes, implying that Sp1 might be important for the function of astrocytes. Sp1/GFAP-Cre-ERT2 conditional knockout mice were constructed to study the role of Sp1 in astrocytes. Knockout of Sp1 in astrocytes altered astrocytic morphology and decreased GFAP expression in the cortex and hippocampus but did not affect cell viability. Loss of Sp1 in astrocytes decreased the number of neurons in the cortex and hippocampus. Conditioned medium from primary astrocytes with Sp1 knockout disrupted neuronal dendritic outgrowth and synapse formation, resulting in abnormal learning, memory, and motor behavior. Sp1 knockout in astrocytes altered gene expression, including decreasing the expression of Toll-like receptor 2 and Cfb and increasing the expression of C1q and C4Bp, thereby affecting neurite outgrowth and synapse formation, resulting in disordered neuron function. Studying these gene regulations might be beneficial to understanding neuronal development and brain injury prevention.
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24
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Grossi V, Fasano C, Celestini V, Lepore Signorile M, Sanese P, Simone C. Chasing the FOXO3: Insights into Its New Mitochondrial Lair in Colorectal Cancer Landscape. Cancers (Basel) 2019; 11:cancers11030414. [PMID: 30909600 PMCID: PMC6468785 DOI: 10.3390/cancers11030414] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2019] [Revised: 03/19/2019] [Accepted: 03/20/2019] [Indexed: 02/06/2023] Open
Abstract
Colorectal cancer (CRC) poses a formidable challenge in terms of molecular heterogeneity, as it involves a variety of cancer-related pathways and molecular changes unique to an individual’s tumor. On the other hand, recent advances in DNA sequencing technologies provide an unprecedented capacity to comprehensively identify the genetic alterations resulting in tumorigenesis, raising the hope that new therapeutic approaches based on molecularly targeted drugs may prevent the occurrence of chemoresistance. Regulation of the transcription factor FOXO3a in response to extracellular cues plays a fundamental role in cellular homeostasis, being part of the molecular machinery that drives cells towards survival or death. Indeed, FOXO3a is controlled by a range of external stimuli, which not only influence its transcriptional activity, but also affect its subcellular localization. These regulation mechanisms are mediated by cancer-related signaling pathways that eventually drive changes in FOXO3a post-translational modifications (e.g., phosphorylation). Recent results showed that FOXO3a is imported into the mitochondria in tumor cells and tissues subjected to metabolic stress and cancer therapeutics, where it induces expression of the mitochondrial genome to support mitochondrial metabolism and cell survival. The current review discusses the potential clinical relevance of multidrug therapies that drive cancer cell fate by regulating critical pathways converging on FOXO3a.
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Affiliation(s)
- Valentina Grossi
- Medical Genetics, National Institute for Gastroenterology, IRCCS 'S. de Bellis', Via Turi, 27, Castellana Grotte, 70013 Bari, Italy.
| | - Candida Fasano
- Medical Genetics, National Institute for Gastroenterology, IRCCS 'S. de Bellis', Via Turi, 27, Castellana Grotte, 70013 Bari, Italy.
| | - Valentina Celestini
- Division of Medical Genetics, Department of Biomedical Sciences and Human Oncology (DIMO), University of Bari Aldo Moro, Piazza G. Cesare, 11, 70124 Bari, Italy.
| | - Martina Lepore Signorile
- Medical Genetics, National Institute for Gastroenterology, IRCCS 'S. de Bellis', Via Turi, 27, Castellana Grotte, 70013 Bari, Italy.
- Department of Molecular Medicine, Sapienza University of Rome, Viale Regina Elena, 324, 00161 Roma, Italy.
| | - Paola Sanese
- Division of Medical Genetics, Department of Biomedical Sciences and Human Oncology (DIMO), University of Bari Aldo Moro, Piazza G. Cesare, 11, 70124 Bari, Italy.
| | - Cristiano Simone
- Medical Genetics, National Institute for Gastroenterology, IRCCS 'S. de Bellis', Via Turi, 27, Castellana Grotte, 70013 Bari, Italy.
- Division of Medical Genetics, Department of Biomedical Sciences and Human Oncology (DIMO), University of Bari Aldo Moro, Piazza G. Cesare, 11, 70124 Bari, Italy.
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25
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E L, Jiang H, Lu Z. MicroRNA-144 attenuates cardiac ischemia/reperfusion injury by targeting FOXO1. Exp Ther Med 2019; 17:2152-2160. [PMID: 30783480 PMCID: PMC6364149 DOI: 10.3892/etm.2019.7161] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2017] [Accepted: 02/22/2018] [Indexed: 12/12/2022] Open
Abstract
Cardiovascular ischemic disease refers to a large class of conditions that are harmful to human health. A number of previous studies have demonstrated that microRNAs (miRs) have notable roles in regulating cardiac injury. miR-144 is influential in the differentiation, growth, and metastatic processes of cells; however, the impact of miR-144 in cardiac ischemia/reperfusion (I/R) injury has not been thoroughly elucidated to date. In the present study, reverse transcription quantitative polymerase chain reaction was used to evaluate RNA expression. In addition, TTC staining was performed to detect the infarct area of the ischemic myocardia and a terminal deoxynucleotidyl-transferase-mediated dUTP nick end labeling assay was utilized to detect the apoptosis of the myocardia. It was observed that miR-144 expression is downregulated in an I/R model in rats and that overexpression of miR-144 significantly reduced myocardial ischemic injury and apoptosis. Consistent with this result, similar findings were demonstrated in H9c2 cells subjected to hypoxia/reoxygenation. Bioinformatic analysis using MiRanda and TargetScan, and luciferase assays confirmed that forkhead box protein O1was the target of miR-144. These findings suggest that miR-144 may be exploited as a novel molecular marker or therapeutic target for myocardial I/R injury.
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Affiliation(s)
- Lusha E
- Department of Cardiology, Renmin Hospital of Wuhan University, Hubei General Hospital, Wuchang, Wuhan, Hubei 430060, P.R. China.,Cardiology Department, Inner Mongolia People's Hospital, Hohhot, Inner Mongolia 001017, P.R. China
| | - Hong Jiang
- Department of Cardiology, Renmin Hospital of Wuhan University, Hubei General Hospital, Wuchang, Wuhan, Hubei 430060, P.R. China
| | - Zhibing Lu
- Department of Cardiology, Renmin Hospital of Wuhan University, Hubei General Hospital, Wuchang, Wuhan, Hubei 430060, P.R. China
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26
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Qian F, Hu Q, Tian Y, Wu J, Li D, Tao M, Qin L, Shen B, Xie Y. ING4 suppresses hepatocellular carcinoma via a NF-κB/miR-155/FOXO3a signaling axis. Int J Biol Sci 2019; 15:369-385. [PMID: 30745827 PMCID: PMC6367549 DOI: 10.7150/ijbs.28422] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2018] [Accepted: 11/29/2018] [Indexed: 02/07/2023] Open
Abstract
The tumor suppressor ING4 has been shown to be reduced in human HCC. The alteration of ING4 contributes to HCC progression. However, its effect in HCC and the potential mechanism is largely unclear. Herein, we found that downregulation of ING4 in HCC tumor tissues was closely associated with cancer staging, tumor size and vascular invasion. Lentivirus-mediated ING4 overexpression significantly inhibited proliferation, migration and invasion, and induced cell cycle G1 phase arrest and apoptosis in MHCC97H human HCC cells. Moreover, overexpression of ING4 dramatically suppressed MHCC97H tumor cell growth and metastasis to lung in vivo in athymic BALB/c nude mice. Mechanistic studies revealed that overexpression of ING4 markedly increased expression of FOXO3a both at the mRNA and protein level as well as enhanced nuclear level and transcriptional activity of FOXO3a in MHCC97H tumor cells. In addition, ING4 repressed transcriptional activity of NF-κB and expression of miR-155 targeting FOXO3a. Knockdown of ING4 exhibited opposing effects in MHCC97L human HCC cells. Interestingly, knockdown of FOXO3a attenuated not only ING4-elicited tumor suppression but also ING4-mediated regulatory effect on FOXO3a downstream targets, confirming that FOXO3a is involved in ING4-directed tumor-inhibitory effect in HCC. Overexpression of miR-155 attenuated ING4-induced upregulation of FOXO3a, whereas inhibition of miR-155 blunted ING4 knockdown-induced reduction of FOXO3a. Furthermore, inhibition of NF-κB markedly impaired ING4 knockdown-induced upregulation of miR-155 and downregulation of FOXO3a. Taken together, our study provided the first compelling evidence that ING4 can suppress human HCC growth and metastasis to a great extent via a NF-κB/miR-155/FOXO3a pathway.
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Affiliation(s)
- Fuliang Qian
- Center for Systems Biology, Soochow University, Suzhou 215006, China
| | - Qingqing Hu
- Department of Oncology, the First Affiliated Hospital of Soochow University, Suzhou 215006, China
| | - Yali Tian
- Department of Oncology, Suzhou Science & Technology Town Hospital, Suzhou 215153, China
| | - Jie Wu
- Department of Oncology, the First Affiliated Hospital of Soochow University, Suzhou 215006, China
| | - Dapeng Li
- Department of Oncology, the First Affiliated Hospital of Soochow University, Suzhou 215006, China
| | - Min Tao
- Department of Oncology, the First Affiliated Hospital of Soochow University, Suzhou 215006, China
| | - Lei Qin
- Department of General Surgery, the First Affiliated Hospital of Soochow University, Suzhou 215006, China
| | - Bairong Shen
- Center for Systems Biology, Soochow University, Suzhou 215006, China
| | - Yufeng Xie
- Department of Oncology, the First Affiliated Hospital of Soochow University, Suzhou 215006, China
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27
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The role of miR-183 cluster in immunity. Cancer Lett 2018; 443:108-114. [PMID: 30529154 DOI: 10.1016/j.canlet.2018.11.035] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2018] [Revised: 10/25/2018] [Accepted: 11/21/2018] [Indexed: 12/22/2022]
Abstract
MicroRNAs (miRNAs) are essential factors of an extensively conserved post-transcriptional process to regulate gene expression. MiRNAs play a pivotal role in immunity, including controlling the differentiation of various immune cells as well as their immunological functions. The miR-183 cluster, which is comprised of miR-183, -96 and -182, is a miRNA family with sequence homology. These miRNAs are usually transcribed together as a polycistronic miRNA cluster during development and are required for maturation of sensory organs. In comparison to defined sensory-specific role of these miRNAs in normal development, they are frequently over-expressed in several non-sensory diseases, including autoimmune diseases and cancers. Because individual miRNAs of miR-183 cluster have both common and unique targets within functionally interrelated pathways, they can show cooperative or opposing effects on biological processes, implying the complexity of this miR cluster-mediated gene regulation. Therefore, a better understanding of the molecular regulation of miR-183 cluster expression and its downstream networks is important for the therapeutic applications. In this review, we will discuss the characteristics of miR-183 cluster and a wide variety of evidence on its function in immune system. Newer knowledge summarized here will help readers understand the versatile role of miR-183 cluster in this field.
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28
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Lu X, Wu J, Ma M, Wu X, Wen J, Yu J. An integrated deep sequencing analysis of microRNAs in transplanted corneas. Mol Immunol 2018; 101:429-439. [DOI: 10.1016/j.molimm.2018.06.014] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2017] [Revised: 04/28/2018] [Accepted: 06/09/2018] [Indexed: 10/28/2022]
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miR-182 suppresses invadopodia formation and metastasis in non-small cell lung cancer by targeting cortactin gene. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2018; 37:141. [PMID: 29986736 PMCID: PMC6038252 DOI: 10.1186/s13046-018-0824-1] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/30/2018] [Accepted: 07/03/2018] [Indexed: 12/18/2022]
Abstract
Background Metastasis is the leading cause of cancer mortality and is a major hurdle for lung cancer treatment. Invadopodia, which are cancer-specific protrusive structures, play a crucial role in the metastatic cascade through degradation of the basement membrane and surrounding stroma. Cortactin, a critical component of invadopodia, frequently used as an invadopodia marker, a universally important player in invadopodia function, and is frequently overexpressed in cancer, but the exact mechanism of regulation is not yet fully understood. Methods The expression level of CTTN in human non-small cell lung cancer (NSCLC) tissues was detected by qRT-PCR. Cell migration, invasion and invadopodia formation were assessed in vitro by wound-healing, transwell assay and immunofluorescence, respectively. The dual-luciferase reporter assay was used to identify the direct target of miR-182. Results Hepatocyte growth factor (HGF) and phorbol 12,13-dibutyrate (PDBu) can induce CTTN expression, motility, and invasion ability, as well as invadopodia formation in non-small cell lung cancer (NSCLC). Moreover, miR-182 suppressed metastasis and invadopodia formation by targeting CTTN in NSCLC. Our qRT-PCR results showed that CTTN expression was inversely correlated with miR-182 expression that suppressed invadopodia formation via suppression of the Cdc42/N-WASP pathway. Furthermore, miR-182 negatively regulated invadopodia function, and suppressed extracellular matrix(ECM) degradation in lung cancer cells by inhibiting cortactin. Conclusion Collectively, our results demonstrated that miR-182 targeted CTTN gene in NSCLC and suppressed lung cancer invadopodia formation, and thus suppressed lung cancer metastasis. This suggests a therapeutic application of miR-182 in NSCLC. Electronic supplementary material The online version of this article (10.1186/s13046-018-0824-1) contains supplementary material, which is available to authorized users.
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30
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Nie J, Li CP, Li JH, Chen X, Zhong X. Analysis of non‑alcoholic fatty liver disease microRNA expression spectra in rat liver tissues. Mol Med Rep 2018; 18:2669-2680. [PMID: 30015905 PMCID: PMC6102666 DOI: 10.3892/mmr.2018.9268] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2018] [Accepted: 06/14/2018] [Indexed: 12/14/2022] Open
Abstract
The prevalence of non-alcoholic fatty liver disease (NAFLD) has been increasing in recent years. Previous studies have suggested that micro (mi)RNAs may be involved in the pathogenesis of NAFLD. To investigate the role of miRNAs in rat NAFLD, a total of 16 male Sprague Dawley rats were randomly divided into a control group and a model group. Rats in the control group were fed a normal diet for 12 weeks, whereas the rats in the model group were fed a high‑fat and high‑sugar diet for 12 weeks. Following this, the animals were sacrificed and liver tissues were rapidly removed to investigate the severity of NAFLD. Blood samples were collected to investigate liver function, in addition to total cholesterol, total triglyceride and fasting plasma glucose levels. Total RNA from three fresh liver samples per experimental group was extracted for subsequent miRNA gene chip analysis using GeneChip miRNA 4.0 to investigate differentially expressed miRNAs, and miRNA expression was further verified via reverse transcription‑quantitative polymerase chain reaction (RT‑qPCR). Compared with the control group, the results revealed that there were 10 differentially expressed miRNAs in the model group, five of which were overexpressed and five of which were underexpressed compared with the control group. The results of the RT‑qPCR analysis revealed that miR‑182, miR‑29b‑3p and miR‑741‑3p were significantly overexpressed in the model group compared with the control group, which was largely consistent with the results of the microarray analysis. The results suggested that the differentially expressed microRNAs demonstrated in the present study may be involved in the pathogenesis of NAFLD; however, the mechanism underlying the differential expression of miRNAs in NAFLD requires further investigation.
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Affiliation(s)
- Jiao Nie
- Department of Gastroenterology, Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan 646000, P.R. China
| | - Chang-Ping Li
- Department of Gastroenterology, Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan 646000, P.R. China
| | - Jue-Hong Li
- Graduate School, College of Medicine, Shanghai Jiao Tong University, Shanghai 200025, P.R. China
| | - Xia Chen
- Department of Gastroenterology, Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan 646000, P.R. China
| | - Xiaoling Zhong
- Department of Gastroenterology, Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan 646000, P.R. China
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Wang M, Wang W, Wang J, Zhang J. MiR-182 promotes glucose metabolism by upregulating hypoxia-inducible factor 1α in NSCLC cells. Biochem Biophys Res Commun 2018; 504:400-405. [PMID: 29894685 DOI: 10.1016/j.bbrc.2018.06.035] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2018] [Accepted: 06/08/2018] [Indexed: 12/14/2022]
Abstract
OBJECTIVE This study aims to demonstrate the role of miR-182 in the glucose metabolism of NSCLC cells and the potential mechanism. METHODS MTT Cytotoxicity Assay was used to measure the function of differentially expressed miR-182 on two NSCLC cell lines proliferation. Metabolite analysis was introduced to monitor the glucose consumption, lactate release and glycolytic intermediate metabolites. The mRNA level of critical genes involved in glycolysis was detected by qRT-PCR. The 3'UTRs of predicted gene with a miR-182 binding site and their seed-sequence-mutated version were cloned downstream to the ORF of a Renilla luciferase reporter gene and the ability of miR-182 to downregulate luciferase expression was assessed. RESULTS MiR-182 had significantly improved proliferation of NSCLC cell lines. Metabolite analysis of the cells with strengthened miR-182 revealed significantly increased glucose consumption and lactate release, as well as glycolytic intermediate metabolites, or conversely. Among a panel of genes controlling glucose metabolism, miR-182 exhibited significantly influence on ENO1, GLUT1, HIF-1α, HK1, HK2, LDHA and PDK1, especially HIF-1α. For the predicted target gene HIF1AN, the wild-type but not mutated 3'UTR, responded to miR-182 b y directing ∼45% reduction of reporter gene expression. CONCLUSION MiR-182 promotes glucose metabolism by upregulating HIF-1α in NSCLC cells.
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Affiliation(s)
- Mingliang Wang
- Department of Thoracic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan City, Hubei Province, 430000, PR China
| | - Wendong Wang
- Department of Thoracic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan City, Hubei Province, 430000, PR China
| | - Jiashun Wang
- Department of Thoracic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan City, Hubei Province, 430000, PR China
| | - Jun Zhang
- Department of Thoracic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan City, Hubei Province, 430000, PR China.
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Liu F, Hu H, Zhao J, Zhang Z, Ai X, Tang L, Xie L. miR-124-3p acts as a potential marker and suppresses tumor growth in gastric cancer. Biomed Rep 2018; 9:147-155. [PMID: 30013778 PMCID: PMC6036824 DOI: 10.3892/br.2018.1113] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2017] [Accepted: 01/02/2018] [Indexed: 12/19/2022] Open
Abstract
miR-124-3p has been implicated in a variety of cancers. The purpose of the present study was to investigate the expression, prognostic roles and functions of miR-124-3p in gastric cancer. Functional studies indicated that ectopic overexpression of miR-124-3p in gastric cancer cells suppressed cell viability and plate colony formation in vitro and tumor growth in vivo. In situ hybridization analysis demonstrated that decreased expression of miR-124-3p was associated with clinical stage and lymph node metastasis, as well as shorter overall survival and disease-free survival rates. Furthermore, it was observed that miR-124-3p repressed the carcinogenesis of gastric cancer by targeting Ras-related C3 botulinum toxin substrate 1 (Rac1) and specificity protein 1 (SP1). Collectively, these results indicate a potential underlying mechanism for the regulation of gastric cancer by miR-124-3p involving targeting of Rac1 and SP1. Thus, miR-124-3p may be an independent indicator of survival and treatment strategy for patients with gastric cancer.
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Affiliation(s)
- Feng Liu
- Medical School of University of South China, Hengyang, Hunan 421001, P.R. China
| | - Hongjuan Hu
- University of South China School of Nursing, Hengyang, Hunan 421001, P.R. China
| | - Jianfu Zhao
- Department of Oncology, The First Affiliated Hospital, Jinan University, Guangzhou, Guangdong 510630, P.R. China
| | - Zhiwei Zhang
- Medical School of University of South China, Hengyang, Hunan 421001, P.R. China
| | - Xiaohong Ai
- The First Affiliated Hospital, University of South China, Hengyang, Hunan 421001, P.R. China
| | - Liyun Tang
- The First Affiliated Hospital, University of South China, Hengyang, Hunan 421001, P.R. China
| | - Liming Xie
- The First Affiliated Hospital, University of South China, Hengyang, Hunan 421001, P.R. China
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Wang H, Li K, Mei Y, Huang X, Li Z, Yang Q, Yang H. Sp1 Suppresses miR-3178 to Promote the Metastasis Invasion Cascade via Upregulation of TRIOBP. MOLECULAR THERAPY-NUCLEIC ACIDS 2018; 12:1-11. [PMID: 30195749 PMCID: PMC6023786 DOI: 10.1016/j.omtn.2018.04.008] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/03/2017] [Revised: 02/27/2018] [Accepted: 04/20/2018] [Indexed: 02/06/2023]
Abstract
Specificity protein (Sp1) plays an important role in invasion-metastasis cascade. Sp1 regulation on protein coding genes has been extensively investigated; however, little is known about its regulation on protein non-coding genes. In this study, miR-3178 is reported as a novel target of Sp1 in multiple cancer cell models. Sp1 functions as its transcriptional suppressor as evidenced by luciferase reporter and chromatin immunoprecipitation (ChIP) assays. In line with the pro-metastatic role of Sp1, miR-3178 exerts anti-metastasis function. Overexpression of miR-3178 inhibits both migration and invasion of highly metastatic prostate, lung, and breast cancer cells whereas antagonizing miR-3178 promotes those events in their lowly metastatic counterparts. The in vivo study demonstrates that miR-3178 suppresses the tail vein inoculated prostate cancer cells to form colonies in lung, lymph node, and liver of BALB/c nude mice. miR-3178 directly targets the 3′ UTR of TRIOBP-1 and TRIOBP-5, two isoforms of TRIOBP expressed in prostate, lung, and breast cancer cells. Overexpression of TRIOBP-1 could rescue miR-3178 inhibition on cell migration and invasion. Collectively, our findings reveal the regulatory axis of Sp1/miR-3178/TRIOBP in metastasis cascade. Our results suggest miR-3178 as a promising application to suppress metastasis in Sp1-overexpressed cancers.
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Affiliation(s)
- Hui Wang
- School of Life Science and Technology, Harbin Institute of Technology, Harbin, Heilongjiang 150001, China
| | - Kai Li
- School of Life Science and Technology, Harbin Institute of Technology, Harbin, Heilongjiang 150001, China
| | - Yu Mei
- School of Life Science and Technology, Harbin Institute of Technology, Harbin, Heilongjiang 150001, China
| | - Xuemei Huang
- School of Life Science and Technology, Harbin Institute of Technology, Harbin, Heilongjiang 150001, China
| | - Zhenglin Li
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, Heilongjiang 150001, China
| | - Qingzhu Yang
- School of Life Science and Technology, Harbin Institute of Technology, Harbin, Heilongjiang 150001, China
| | - Huanjie Yang
- School of Life Science and Technology, Harbin Institute of Technology, Harbin, Heilongjiang 150001, China.
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Chang H, Liu YH, Wang LL, Wang J, Zhao ZH, Qu JF, Wang SF. MiR-182 promotes cell proliferation by suppressing FBXW7 and FBXW11 in non-small cell lung cancer. Am J Transl Res 2018; 10:1131-1142. [PMID: 29736206] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2017] [Accepted: 12/24/2017] [Indexed: 06/08/2023]
Abstract
OBJECTIVE MicroRNAs have been found to be deregulated in lung cancers, which play crucial roles in tumorigenesis and progression. FBXW7 and FBXW11, two important F-box proteins of the ubiquitin-proteasome system (UPS), can target multiple substrates for degradation, in order to regulate cell proliferation and survival in cancers. In the present study, we aimed to explore the potential role and regulating mechanism of miR-182 in non-small cell lung cancer (NSCLC). METHODS MiRNA expression was evaluated by quantitative reverse-transcription polymerase chain reaction (qRT-PCR). FBXW7, FBXW11, c-Jun, c-Myc and cyclin D protein levels were detected by western blot. Cell growth was determined using cell counting kit (CCK)-8 reagent and colony formation experiment. Then, cell apoptosis and the cell cycle were analyzed on flow cytometry. The target binding activity of miR-182 with FBXW7 or FBXW11 was evaluated through the Dual-Luciferase Reporter Assay System. RESULTS It was confirmed that miR-182 was significantly upregulated in tumor tissues, compared with adjacent normal tissues, and this was inversely correlated to the protein levels of FBXW7 and FBXW11. The overexpression of miR-182 in NSCLC cells dramatically promoted cell growth, colony formation capacity and cell cycle progression, and inhibited apoptosis in NSCLC cells. In contrast, the downregulation of miR-182 significantly alleviated these properties in vitro. Furthermore, we demonstrated that miR-182 exerted an oncogenic role in NSCLC by directly targeting FBXW7 and FBXW11. CONCLUSION These results bring new insights into the oncogenic role of miR-182 in NSCLC, indicating that miR-182 might be a novel biomarker for the diagnosis and prognosis of NSCLC.
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Affiliation(s)
- Hao Chang
- Department of Thoracic Surgery, The First Affiliated Hospital of Harbin Medical University Harbin 150001, Heilongjiang Province, People's Republic of China
| | - Yue-Hong Liu
- Department of Endocrinology, The First Hospital of Harbin Harbin 150001, Heilongjiang Province, People's Republic of China
| | - Li-Li Wang
- Department of Thoracic Surgery, The First Hospital of Harbin Harbin 150001, Heilongjiang Province, People's Republic of China
| | - Ju Wang
- Department of Thoracic Surgery, The First Affiliated Hospital of Harbin Medical University Harbin 150001, Heilongjiang Province, People's Republic of China
| | - Zhi-Hong Zhao
- Department of Thoracic Surgery, The First Affiliated Hospital of Harbin Medical University Harbin 150001, Heilongjiang Province, People's Republic of China
| | - Jun-Feng Qu
- Department of Thoracic Surgery, The First Affiliated Hospital of Harbin Medical University Harbin 150001, Heilongjiang Province, People's Republic of China
| | - Sheng-Fa Wang
- Department of Thoracic Surgery, The First Hospital of Harbin Harbin 150001, Heilongjiang Province, People's Republic of China
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35
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Luo J, Shi K, Yin SY, Tang RX, Chen WJ, Huang LZ, Gan TQ, Cai ZW, Chen G. Clinical value of miR-182-5p in lung squamous cell carcinoma: a study combining data from TCGA, GEO, and RT-qPCR validation. World J Surg Oncol 2018; 16:76. [PMID: 29636077 PMCID: PMC5894244 DOI: 10.1186/s12957-018-1378-6] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2017] [Accepted: 04/03/2018] [Indexed: 12/29/2022] Open
Abstract
BACKGROUND MiR-182-5p, as a member of miRNA family, can be detected in lung cancer and plays an important role in lung cancer. To explore the clinical value of miR-182-5p in lung squamous cell carcinoma (LUSC) and to unveil the molecular mechanism of LUSC. METHODS The clinical value of miR-182-5p in LUSC was investigated by collecting and calculating data from The Cancer Genome Atlas (TCGA) database, the Gene Expression Omnibus (GEO) database, and real-time quantitative polymerase chain reaction (RT-qPCR). Twelve prediction platforms were used to predict the target genes of miR-182-5p. Protein-protein interaction (PPI) networks and gene ontology (GO), and Kyoto Encyclopedia of Genes and Genomes (KEGG) analyses were used to explore the molecular mechanism of LUSC. RESULTS The expression of miR-182-5p was significantly over-expressed in LUSC than in non-cancerous tissues, as evidenced by various approaches, including the TCGA database, GEO microarrays, RT-qPCR, and a comprehensive meta-analysis of 501 LUSC cases and 148 non-cancerous cases. Furthermore, a total of 81 potential target genes were chosen from the union of predicted genes and the TCGA database. GO and KEGG analyses demonstrated that the target genes are involved in pathways related to biological processes. PPIs revealed the relationships between these genes, with EPAS1, PRKCE, NR3C1, and RHOB being located in the center of the PPI network. CONCLUSIONS MiR-182-5p upregulation greatly contributes to LUSC and may serve as a biomarker in LUSC.
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Affiliation(s)
- Jie Luo
- Department of Medical Oncology, The Second Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, Zhuang Autonomous Region, China
| | - Ke Shi
- Department of Medical Oncology, The Second Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, Zhuang Autonomous Region, China
| | - Shu-Ya Yin
- Department of Pathology, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, Zhuang Autonomous Region, China
| | - Rui-Xue Tang
- Department of Pathology, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, Zhuang Autonomous Region, China
| | - Wen-Jie Chen
- Department of Pathology, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, Zhuang Autonomous Region, China
| | - Lin-Zhen Huang
- Department of Pathology, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, Zhuang Autonomous Region, China
| | - Ting-Qing Gan
- Department of Medical Oncology, The Second Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, Zhuang Autonomous Region, China.
| | - Zheng-Wen Cai
- Department of Medical Oncology, The Second Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, Zhuang Autonomous Region, China.
| | - Gang Chen
- Department of Pathology, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, Zhuang Autonomous Region, China
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Xia SS, Zhang GJ, Liu ZL, Tian HP, He Y, Meng CY, Li LF, Wang ZW, Zhou T. MicroRNA-22 suppresses the growth, migration and invasion of colorectal cancer cells through a Sp1 negative feedback loop. Oncotarget 2018; 8:36266-36278. [PMID: 28422727 PMCID: PMC5482653 DOI: 10.18632/oncotarget.16742] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2016] [Accepted: 03/21/2017] [Indexed: 02/06/2023] Open
Abstract
MicroRNAs have recently emerged as regulators of many biological processes including cell proliferation, development and differentiation. This study identified that miR-22 was statistically decreased in colorectal cancer clinical specimens and highly metastatic cell lines. Moreover, low miR-22 expression was associated with tumor metastasis, advanced clinical stage and relapse. Consistent with clinical observations, miR-22 significantly suppressed the ability of colorectal cancer cells to growth and metastasize in vitro and in vivo. Sp1 was validated as a target of miR-22, and ectopic expression of Sp1 compromised the inhibitory effects of miR-22. In addition, Sp1 repressed miR-22 transcription by binding to the miR-22 promoter, hence forming a negative feedback loop. Further study has shown that miR-22 suppresses the activity of PTEN/AKT pathway by Sp1. Our present results implicate the newly indentified miR-22/Sp1/PTEN/AKT axis might represent a potential therapeutic target for colorectal cancer.
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Affiliation(s)
- Shu-Sen Xia
- The Department of Gastrointestinal Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing, People's Republic of China
| | - Guang-Jun Zhang
- The Department of Gastrointestinal Surgery, The Affiliated Hospital of North Sichuan Medical College, Nanchong, Sichuan, People's Republic of China.,Institute of Hepatobiliary, Pancreatic and Intestinal Disease, North Sichuan Medical College, Nanchong, Sichuan, People's Republic of China
| | - Zuo-Liang Liu
- The Department of Gastrointestinal Surgery, The Affiliated Hospital of North Sichuan Medical College, Nanchong, Sichuan, People's Republic of China.,Institute of Hepatobiliary, Pancreatic and Intestinal Disease, North Sichuan Medical College, Nanchong, Sichuan, People's Republic of China
| | - Hong-Peng Tian
- The Department of Gastrointestinal Surgery, The Affiliated Hospital of North Sichuan Medical College, Nanchong, Sichuan, People's Republic of China.,Institute of Hepatobiliary, Pancreatic and Intestinal Disease, North Sichuan Medical College, Nanchong, Sichuan, People's Republic of China
| | - Yi He
- The Department of Gastrointestinal Surgery, The Affiliated Hospital of North Sichuan Medical College, Nanchong, Sichuan, People's Republic of China.,Institute of Hepatobiliary, Pancreatic and Intestinal Disease, North Sichuan Medical College, Nanchong, Sichuan, People's Republic of China
| | - Chang-Yuan Meng
- The Department of Pathology, North Sichuan Medical College, Nanchong, Sichuan, People's Republic of China
| | - Li-Fa Li
- The Department of Medical Microbiology and Parasitology, North Sichuan Medical College, Nanchong, Sichuan, People's Republic of China
| | - Zi-Wei Wang
- The Department of Gastrointestinal Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing, People's Republic of China
| | - Tong Zhou
- The Department of Gastrointestinal Surgery, The Affiliated Hospital of North Sichuan Medical College, Nanchong, Sichuan, People's Republic of China.,Institute of Hepatobiliary, Pancreatic and Intestinal Disease, North Sichuan Medical College, Nanchong, Sichuan, People's Republic of China
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37
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Roser AE, Caldi Gomes L, Halder R, Jain G, Maass F, Tönges L, Tatenhorst L, Bähr M, Fischer A, Lingor P. miR-182-5p and miR-183-5p Act as GDNF Mimics in Dopaminergic Midbrain Neurons. MOLECULAR THERAPY-NUCLEIC ACIDS 2018; 11:9-22. [PMID: 29858093 PMCID: PMC5849806 DOI: 10.1016/j.omtn.2018.01.005] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/01/2017] [Revised: 01/17/2018] [Accepted: 01/17/2018] [Indexed: 11/17/2022]
Abstract
Parkinson’s disease (PD) is the second-most-frequent neurodegenerative disorder worldwide. One major hallmark of PD is the degeneration of dopaminergic (DA) neurons in the substantia nigra. Glial cell line-derived neurotrophic factor (GDNF) potently increases DA neuron survival in models of PD; however, the underlying mechanisms are incompletely understood. MicroRNAs (miRNAs) are small, non-coding RNAs that are important for post-transcriptional regulation of gene expression. Using small RNA sequencing, we show that GDNF specifically increases the expression of miR-182-5p and miR-183-5p in primary midbrain neurons (PMNs). Transfection of synthetic miR-182-5p and miR-183-5p mimics leads to increased neurite outgrowth and mediates neuroprotection of DA neurons in vitro and in vivo, mimicking GDNF effects. This is accompanied by decreased expression of FOXO3 and FOXO1 transcription factors and increased PI3K-Akt signaling. Inhibition of endogenous miR-182-5p or miR-183-5p in GDNF-treated PMNs attenuated the pro-DA effects of GDNF. These findings unveil an unknown miR-mediated mechanism of GDNF action and suggest that targeting miRNAs is a new therapeutic avenue to PD phenotypes.
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Affiliation(s)
- Anna-Elisa Roser
- Department of Neurology, University Medical Center Göttingen, Robert-Koch-Str. 40, 37075 Göttingen, Lower-Saxony, Germany; DFG Cluster of Excellence Nanoscale Microscopy and Molecular Physiology of the Brain (CNMPB), University Medical Center Göttingen, Robert-Koch-Str. 40, 37075 Göttingen, Lower-Saxony, Germany
| | - Lucas Caldi Gomes
- Department of Neurology, University Medical Center Göttingen, Robert-Koch-Str. 40, 37075 Göttingen, Lower-Saxony, Germany
| | - Rashi Halder
- Department for Epigenetics and Systems Medicine in Neurodegenerative Diseases, German Center for Neurodegenerative Diseases (DZNE), Von-Siebold-Str. 3a, 37075 Göttingen, Lower-Saxony, Germany
| | - Gaurav Jain
- Department for Epigenetics and Systems Medicine in Neurodegenerative Diseases, German Center for Neurodegenerative Diseases (DZNE), Von-Siebold-Str. 3a, 37075 Göttingen, Lower-Saxony, Germany
| | - Fabian Maass
- Department of Neurology, University Medical Center Göttingen, Robert-Koch-Str. 40, 37075 Göttingen, Lower-Saxony, Germany
| | - Lars Tönges
- Department of Neurology, Ruhr-Universität Bochum, Universitätsstr. 150, 44801 Bochum, NRW, Germany
| | - Lars Tatenhorst
- Department of Neurology, University Medical Center Göttingen, Robert-Koch-Str. 40, 37075 Göttingen, Lower-Saxony, Germany
| | - Mathias Bähr
- Department of Neurology, University Medical Center Göttingen, Robert-Koch-Str. 40, 37075 Göttingen, Lower-Saxony, Germany; DFG Cluster of Excellence Nanoscale Microscopy and Molecular Physiology of the Brain (CNMPB), University Medical Center Göttingen, Robert-Koch-Str. 40, 37075 Göttingen, Lower-Saxony, Germany
| | - André Fischer
- DFG Cluster of Excellence Nanoscale Microscopy and Molecular Physiology of the Brain (CNMPB), University Medical Center Göttingen, Robert-Koch-Str. 40, 37075 Göttingen, Lower-Saxony, Germany; Department for Epigenetics and Systems Medicine in Neurodegenerative Diseases, German Center for Neurodegenerative Diseases (DZNE), Von-Siebold-Str. 3a, 37075 Göttingen, Lower-Saxony, Germany; Department of Psychiatry and Psychotherapy, University Medical Center Göttingen, Von-Siebold-Str. 3a, 37075 Göttingen, Lower-Saxony, Germany
| | - Paul Lingor
- Department of Neurology, University Medical Center Göttingen, Robert-Koch-Str. 40, 37075 Göttingen, Lower-Saxony, Germany; DFG Cluster of Excellence Nanoscale Microscopy and Molecular Physiology of the Brain (CNMPB), University Medical Center Göttingen, Robert-Koch-Str. 40, 37075 Göttingen, Lower-Saxony, Germany.
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Ma Y, Liang AJ, Fan YP, Huang YR, Zhao XM, Sun Y, Chen XF. Dysregulation and functional roles of miR-183-96-182 cluster in cancer cell proliferation, invasion and metastasis. Oncotarget 2018; 7:42805-42825. [PMID: 27081087 PMCID: PMC5173173 DOI: 10.18632/oncotarget.8715] [Citation(s) in RCA: 60] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2015] [Accepted: 03/31/2016] [Indexed: 02/07/2023] Open
Abstract
Previous studies have reported aberrant expression of the miR-183-96-182 cluster in a variety of tumors, which indicates its' diagnostic or prognostic value. However, a key characteristic of the miR-183-96-182 cluster is its varied expression levels, and pleomorphic functional roles in different tumors or under different conditions. In most tumor types, the cluster is highly expressed and promotes tumorigenesis, cancer progression and metastasis; yet tumor suppressive effects have also been reported in some tumors. In the present study, we discuss the upstream regulators and the downstream target genes of miR-183-96-182 cluster, and highlight the dysregulation and functional roles of this cluster in various tumor cells. Newer insights summarized in this review will help readers understand the different facets of the miR-183-96-182 cluster in cancer development and progression.
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Affiliation(s)
- Yi Ma
- Center for Reproductive Medicine, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China.,Shanghai Key Laboratory for Assisted Reproduction and Reproductive Genetics, Shanghai, China
| | - A-Juan Liang
- Center for Reproductive Medicine, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China.,Shanghai Key Laboratory for Assisted Reproduction and Reproductive Genetics, Shanghai, China
| | - Yu-Ping Fan
- Reproductive Medicine Center, Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, Shanghai, China
| | - Yi-Ran Huang
- Department of Urology, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Xiao-Ming Zhao
- Center for Reproductive Medicine, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China.,Shanghai Key Laboratory for Assisted Reproduction and Reproductive Genetics, Shanghai, China
| | - Yun Sun
- Center for Reproductive Medicine, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China.,Shanghai Key Laboratory for Assisted Reproduction and Reproductive Genetics, Shanghai, China
| | - Xiang-Feng Chen
- Center for Reproductive Medicine, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China.,Shanghai Key Laboratory for Assisted Reproduction and Reproductive Genetics, Shanghai, China.,Department of Urology, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
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Le H, Wang X, Zha Y, Wang J, Zhu W, Ye Z, Liu X, Ma H, Zhang Y. Peripheral lung adenocarcinomas harboring epithelial growth factor receptor mutations with microRNA-135b overexpression are more likely to invade visceral pleura. Oncol Lett 2017; 14:7931-7940. [PMID: 29250182 DOI: 10.3892/ol.2017.7195] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2016] [Accepted: 08/11/2017] [Indexed: 01/15/2023] Open
Abstract
Lung adenocarcinoma, characterized by its early and aggressive local invasion and high metastatic potential, is the most frequently observed histological type of non-small-cell lung cancer (NSCLC). Visceral pleural invasion (VPI) caused by peripheral lung adenocarcinomas is closely associated with the poor prognosis of patients with NSCLC. The association between VPI and some clinicopathological characteristics has been observed in the past few decades. However, the molecular mechanism of VPI in lung adenocarcinomas is unknown. In the present, the expression level of microRNA (miR-)135b and epidermal growth factor receptor (EGFR) mutations using the reverse transcription-quantitative polymerase chain reaction and DNA sequencing, respectively. In addition, the present study aimed at exploring the association between the miR-135b level, EGFR mutations and VPI in peripheral lung adenocarcinoma. The results of the present study demonstrated that miR-135b was significantly upregulated in lung adenocarcinoma compared with adjacent normal tissue and positively associated EGFR mutations in peripheral lung adenocarcinoma. Furthermore, it was identified that lung adenocarcinomas with EGFR mutations and miR-135b overexpression were more likely to invade visceral pleura. Taken together, these findings indicate that miR-135b overexpression is positively associated with mutations to EGFR, which may promote the development of peripheral lung adenocarcinomas by the formation of VPI. This indicates that the two factors may serve as prognostic markers and molecular targets for the treatment of peripheral lung adenocarcinomas.
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Affiliation(s)
- Hanbo Le
- Department of Cardio-Thoracic Surgery, Lung Cancer Research Center, The Affiliated Zhoushan Hospital of Wenzhou Medical University, Zhoushan, Zhejiang 316004, P.R. China
| | - Xiaoling Wang
- Laboratory of Cytobiology and Molecular Biology, The Affiliated Zhoushan Hospital of Wenzhou Medical University, Zhoushan, Zhejiang 316004, P.R. China
| | - Yao Zha
- Laboratory of Cytobiology and Molecular Biology, The Affiliated Zhoushan Hospital of Wenzhou Medical University, Zhoushan, Zhejiang 316004, P.R. China
| | - Jie Wang
- Laboratory of Cytobiology and Molecular Biology, The Affiliated Zhoushan Hospital of Wenzhou Medical University, Zhoushan, Zhejiang 316004, P.R. China
| | - Wangyu Zhu
- Laboratory of Cytobiology and Molecular Biology, The Affiliated Zhoushan Hospital of Wenzhou Medical University, Zhoushan, Zhejiang 316004, P.R. China
| | - Zhinan Ye
- Laboratory of Cytobiology and Molecular Biology, The Affiliated Zhoushan Hospital of Wenzhou Medical University, Zhoushan, Zhejiang 316004, P.R. China
| | - Xiaoguang Liu
- Laboratory of Cytobiology and Molecular Biology, The Affiliated Zhoushan Hospital of Wenzhou Medical University, Zhoushan, Zhejiang 316004, P.R. China
| | - Haijie Ma
- Laboratory of Cytobiology and Molecular Biology, The Affiliated Zhoushan Hospital of Wenzhou Medical University, Zhoushan, Zhejiang 316004, P.R. China
| | - Yongkui Zhang
- Department of Cardio-Thoracic Surgery, Lung Cancer Research Center, The Affiliated Zhoushan Hospital of Wenzhou Medical University, Zhoushan, Zhejiang 316004, P.R. China
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40
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Hung CY, Wang YC, Chuang JY, Young MJ, Liaw H, Chang WC, Hung JJ. Nm23-H1-stabilized hnRNPA2/B1 promotes internal ribosomal entry site (IRES)-mediated translation of Sp1 in the lung cancer progression. Sci Rep 2017; 7:9166. [PMID: 28831131 PMCID: PMC5567229 DOI: 10.1038/s41598-017-09558-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2017] [Accepted: 07/24/2017] [Indexed: 12/20/2022] Open
Abstract
Our recent studies have indicated that specificity protein-1 (Sp1) accumulates substantially in the early stage of lung cancer but is partially decreased in the late stages, which is an important factor in the progression of the cancer. In this study, we found that Nm23-H1 and hnRNPA2/B1 could be recruited to the 5'UTR of Sp1 mRNA. In investigating the clinical relevance of Nm23-H1/Sp1 levels, we found a positive correlation between lung cancer patients with poor prognosis and low levels of Sp1 and Nm23-H1, suggesting an association between Nm23-H1/Sp1 levels and survival rate. Knockdown of Nm23-H1 inhibits lung cancer growth but increases lung cancer cell malignancy, which could be rescued by overexpression of Sp1, indicating that Nm23-H1-induced Sp1 expression is critical for lung cancer progression. We also found that Nm23-H1 increases the protein stability of hnRNPA2/B1and is thereby co-recruited to the 5'UTR of Sp1 mRNA to regulate cap-independent translational activity. Since the Sp1 level is tightly regulated during lung cancer progression, understanding the molecular mechanisms underlying the regulation by Nm23-H1/hnRNPA2B1 of Sp1 expression in the various stages of lung cancer will be beneficial for lung cancer therapy in the future.
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Affiliation(s)
- Chia-Yang Hung
- Institute of Basic Medical Sciences, College of Medicine, National Cheng Kung University, Tainan, Taiwan
- Graduate Institute of Medical Sciences, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Yi-Chang Wang
- Institute of Basic Medical Sciences, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Jian-Ying Chuang
- The PhD Program for Neural Regenerative Medicine, College of Medical Science and Technology, Taipei Medical University, Taipei, Taiwan
| | - Ming-Jer Young
- Department of Biotechnology and Bioindustry Science, National Cheng Kung University, Tainan, Taiwan
- Center for Infection Disease and Signal Transduction, National Cheng Kung University, Tainan, Taiwan
| | - Hungjiun Liaw
- Department of Life Sciences, National Cheng Kung University, Tainan, Taiwan
| | - Wen-Chang Chang
- The PhD Program for Neural Regenerative Medicine, College of Medical Science and Technology, Taipei Medical University, Taipei, Taiwan
| | - Jan-Jong Hung
- Department of Biotechnology and Bioindustry Science, National Cheng Kung University, Tainan, Taiwan.
- Institute of Basic Medical Sciences, College of Medicine, National Cheng Kung University, Tainan, Taiwan.
- Center for Infection Disease and Signal Transduction, National Cheng Kung University, Tainan, Taiwan.
- Graduate Institute of Medical Sciences, College of Medicine, Taipei Medical University, Taipei, Taiwan.
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41
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Liu B, Liu Y, Zhao L, Pan Y, Shan Y, Li Y, Jia L. Upregulation of microRNA-135b and microRNA-182 promotes chemoresistance of colorectal cancer by targeting ST6GALNAC2 via PI3K/AKT pathway. Mol Carcinog 2017; 56:2669-2680. [PMID: 28767179 DOI: 10.1002/mc.22710] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2017] [Revised: 07/23/2017] [Accepted: 07/28/2017] [Indexed: 12/17/2022]
Abstract
MicroRNAs (miRNAs) are increasingly involved in the development of drug resistance, including 5-fluorouracil (5-FU) resistance in colorectal cancer (CRC). Aberrant sialylation is correlated with human CRC. The study was to explore whether miR-135b and miR-182 modulated 5-FU chemoresistance of CRC by targeting ST6GALNAC2 via PI3K/AKT pathway. MiR-135b and miR-182 were found to be up-regulated in CRC tissues and 5-FU resistant CRC cell lines. Forced miR-135b and miR-182 expression also affected ST6GALNAC2 levels. Using reporter-gene assay, ST6GALNAC2 was identified as direct target of miR-135b and miR-182, while ST6GALNAC2 expression exhibited patterns opposite to that of miR-135b and miR-182 in CRC samples and cell lines. Interestingly, up-regulation of miR-135b or miR-182 increased drug resistance and proliferation, but decreased apoptosis in 5-FU resistant CRC cell lines. Suppression of these miRNAs implicated an inverse function, while altered expression of ST6GALNAC2 mediated CRC progression upon transfection with miR-135b/-182 mimic or inhibitor. Furthermore, miR-135b and miR-182 were clarified to regulate the activity of phosphoinositide-3 kinase (PI3K)/AKT pathway. Inhibition of the PI3K/AKT pathway enhanced the chemosensitivity to 5-FU in HCT-8/5-FU and LoVo/5-FU. Taken together, miR-135b and miR-182 may reverse the resistance to 5-FU in CRC cells by targeting ST6GALNAC2 via PI3K/AKT pathway, which render potential chemotherapy targets for the treatment of CRC.
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Affiliation(s)
- Bing Liu
- College of Laboratory Medicine, Dalian Medical University, Dalian, Liaoning Province, China
| | - Yanfeng Liu
- Department of General Surgery, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning Province, China
| | - Lifen Zhao
- College of Laboratory Medicine, Dalian Medical University, Dalian, Liaoning Province, China
| | - Yue Pan
- College of Laboratory Medicine, Dalian Medical University, Dalian, Liaoning Province, China
| | - Yujia Shan
- College of Laboratory Medicine, Dalian Medical University, Dalian, Liaoning Province, China
| | - Yang Li
- College of Laboratory Medicine, Dalian Medical University, Dalian, Liaoning Province, China
| | - Li Jia
- College of Laboratory Medicine, Dalian Medical University, Dalian, Liaoning Province, China
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42
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Viral Ubiquitin Ligase Stimulates Selective Host MicroRNA Expression by Targeting ZEB Transcriptional Repressors. Viruses 2017; 9:v9080210. [PMID: 28783105 PMCID: PMC5580467 DOI: 10.3390/v9080210] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2017] [Revised: 07/31/2017] [Accepted: 08/02/2017] [Indexed: 02/06/2023] Open
Abstract
Infection with herpes simplex virus-1 (HSV-1) brings numerous changes in cellular gene expression. Levels of most host mRNAs are reduced, limiting synthesis of host proteins, especially those involved in antiviral defenses. The impact of HSV-1 on host microRNAs (miRNAs), an extensive network of short non-coding RNAs that regulate mRNA stability/translation, remains largely unexplored. Here we show that transcription of the miR-183 cluster (miR-183, miR-96, and miR-182) is selectively induced by HSV-1 during productive infection of primary fibroblasts and neurons. ICP0, a viral E3 ubiquitin ligase expressed as an immediate-early protein, is both necessary and sufficient for this induction. Nuclear exclusion of ICP0 or removal of the RING (really interesting new gene) finger domain that is required for E3 ligase activity prevents induction. ICP0 promotes the degradation of numerous host proteins and for the most part, the downstream consequences are unknown. Induction of the miR-183 cluster can be mimicked by depletion of host transcriptional repressors zinc finger E-box binding homeobox 1 (ZEB1)/-crystallin enhancer binding factor 1 (δEF1) and zinc finger E-box binding homeobox 2 (ZEB2)/Smad-interacting protein 1 (SIP1), which we establish as new substrates for ICP0-mediated degradation. Thus, HSV-1 selectively stimulates expression of the miR-183 cluster by ICP0-mediated degradation of ZEB transcriptional repressors.
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43
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Zhuang L, Shou T, Li K, Gao CL, Duan LC, Fang LZ, Zhang QY, Chen ZN, Zhang C, Yang ST, Li GF. MicroRNA-30e-5p promotes cell growth by targeting PTPN13 and indicates poor survival and recurrence in lung adenocarcinoma. J Cell Mol Med 2017; 21:2852-2862. [PMID: 28653805 PMCID: PMC5661247 DOI: 10.1111/jcmm.13198] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2016] [Accepted: 03/15/2017] [Indexed: 12/02/2022] Open
Abstract
Aberrant microRNA expression is involved in the regulation of various cellular processes, such as proliferation and metastasis in multiple diseases including cancers. MicroRNA‐30e‐5p (miR‐30e) was previously reported as an oncogenic or tumour suppressing miRNA in some malignancies, but its function in lung adenocarcinoma (LAC) remains largely undefined. In this study, we found that the expression of miR‐30e was increased in LAC tissues and cell lines, associated with tumour size and represented an independent prognostic factor for overall survival and recurrence of LAC patients. Further functional experiments showed that knockdown of miR‐30e suppressed cell growth while its overexpression promoted growth of LAC cells and xenografts in vitro and in vivo. Mechanistically, PTPN13 was identified as the direct target of miR‐30e in LAC, in which PTPN13 expression was down‐regulated in LAC tissues and showed the inverse correlation with miR‐30e expression. Overexpression of PTPN13 inhibited cell growth and rescued the proliferation‐promoting effect of miR‐30e through inhibition of the EGFR signalling. Altogether, our findings suggest that miR‐30e could function as an oncogene in LAC via targeting PTPN13 and act as a potential therapeutic target for treating LAC.
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Affiliation(s)
- Li Zhuang
- Department of Palliative Medicine, Palliative Medicine Research Center, The Third Affiliated Hospital of Kunming Medical University, Kunming, Yunnan Province, China
| | - Tao Shou
- Department of Oncology, The First People's Hospital of Yunnan Province, Kunming, Yunnan Province, China
| | - Ke Li
- The Second Department of Medicine, The Third Affiliated Hospital of Kunming Medical University, Kunming, Yunnan Province, China
| | - Chun-Lin Gao
- The Second Department of Medicine, The Third Affiliated Hospital of Kunming Medical University, Kunming, Yunnan Province, China
| | - Lin-Can Duan
- Department of Thoracic Surgery, The Third Affiliated Hospital of Kunming Medical University, Kunming, Yunnan Province, China
| | - Li-Zhou Fang
- The Second Department of Respiratory, The First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan Province, China
| | - Qin-Yong Zhang
- Department of Pharmacy, The Third Affiliated Hospital of Kunming Medical University, Kunming, Yunnan Province, China
| | - Zong-Ning Chen
- Department of Cardiology, The People's Hospital of Lijiang City, Lijiang, Yunnan Province, China
| | - Chao Zhang
- Cancer Treatment Center, The First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan Province, China
| | - Shou-Tao Yang
- Department of Nursing, The Third Affiliated Hospital of Kunming Medical University, Kunming, Yunnan Province, China
| | - Gao-Feng Li
- Department of Thoracic Surgery, The Third Affiliated Hospital of Kunming Medical University, Kunming, Yunnan Province, China
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44
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Urbánek P, Klotz L. Posttranscriptional regulation of FOXO expression: microRNAs and beyond. Br J Pharmacol 2017; 174:1514-1532. [PMID: 26920226 PMCID: PMC5446586 DOI: 10.1111/bph.13471] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2015] [Revised: 02/18/2016] [Accepted: 02/23/2016] [Indexed: 01/17/2023] Open
Abstract
Forkhead box, class O (FOXO) transcription factors are major regulators of diverse cellular processes, including fuel metabolism, oxidative stress response and redox signalling, cell cycle progression and apoptosis. Their activities are controlled by multiple posttranslational modifications and nuclear-cytoplasmic shuttling. Recently, post-transcriptional regulation of FOXO synthesis has emerged as a new regulatory level of their functions. Accumulating evidence suggests that this post-transcriptional mode of regulation of FOXO activity operates in response to stressful stimuli, including oxidative stress. Here, we give a brief overview on post-transcriptional regulation of FOXO synthesis by microRNAs (miRNAs) and by RNA-binding regulatory proteins, human antigen R (HuR) and quaking (QKI). Aberrant post-transcriptional regulation of FOXOs is frequently connected with various disease states. We therefore discuss characteristic examples of FOXO regulation at the post-transcriptional level under various physiological and pathophysiological conditions, including oxidative stress and cancer. The picture emerging from this summary points to a diversity of interactions between miRNAs/miRNA-induced silencing complexes and RNA-binding regulatory proteins. Better insight into these complexities of post-transcriptional regulatory interactions will add to our understanding of the mechanisms of pathological processes and the role of FOXO proteins. LINKED ARTICLES This article is part of a themed section on Redox Biology and Oxidative Stress in Health and Disease. To view the other articles in this section visit http://onlinelibrary.wiley.com/doi/10.1111/bph.v174.12/issuetoc.
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Affiliation(s)
- P Urbánek
- Institute of Nutrition, Department of NutrigenomicsFriedrich‐Schiller‐Universität JenaJenaGermany
| | - L‐O Klotz
- Institute of Nutrition, Department of NutrigenomicsFriedrich‐Schiller‐Universität JenaJenaGermany
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45
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Spitschak A, Meier C, Kowtharapu B, Engelmann D, Pützer BM. MiR-182 promotes cancer invasion by linking RET oncogene activated NF-κB to loss of the HES1/Notch1 regulatory circuit. Mol Cancer 2017; 16:24. [PMID: 28122586 PMCID: PMC5267421 DOI: 10.1186/s12943-016-0563-x] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2016] [Accepted: 11/28/2016] [Indexed: 02/08/2023] Open
Abstract
Background Dominant-activating mutations in the RET proto-oncogene, a receptor tyrosine kinase, are responsible for the development of medullary thyroid carcinoma (MTC) and causative for multiple endocrine neoplasia (MEN) type 2A and 2B. These tumors are highly aggressive with a high propensity for early metastasis and chemoresistance. This attribute makes this neoplasia an excellent model for probing mechanisms underlying cancer progression. Methods The expression level of miR-182 was measured in MTC tumor specimens and in TT cells by real-time RT-PCR. TT cells and modified NThy-ori 3.1 that stably express RETM918T were used to investigate RET-dependent regulation of miR-182. Identification and validation of miR-182 targets and pathways was accomplished with luciferase assays, qRT-PCR, Western blotting and immunofluorescence. In vitro, overexpression and knockdown experiments were carried out to examine the impact of miR-182 and HES1 on invasion and migration. Results We found that miR-182 expression is significantly upregulated in MTC patient samples and tumor-derived cell lines harboring mutated RET. Inhibition of RET oncogenic signaling through a dominant-negative RET∆TK mutant in TT cells reduces miR-182, whereas overexpression of RETM918T in NThy-ori 3.1 cells increases miR-182 levels. We further show that overexpression of this miRNA in NThy.miR-182 cells promotes the invasive and migratory properties without affecting cell proliferation. MiR-182 is upregulated after RET induced NF-κB translocation into the nucleus via binding of NF-κB to the miR-182 promoter. Database analysis revealed that HES1, a repressor of the Notch pathway, is a target of miR-182, whose upregulation correlates with loss of HES1 transcription in MTC tissue samples and mutant RET cell lines. Moreover, we demonstrated that the 3′UTR of the HES1 mRNA bearing the targeting sequence for miR-182 clearly reduced luciferase reporter activity in cells expressing miR-182. Decreased expression of HES1 promotes migration by upregulating Notch1 inhibitor Deltex1 and consequent repression of Notch1. Conclusion We demonstrate a novel mechanism for MTC aggressiveness in which mutated RET/NF-κB-driven expression of miR-182 impedes HES1 activation in a negative feedback loop. This observation might open new possibilities to treat RET oncogene associated metastatic cancer. Electronic supplementary material The online version of this article (doi:10.1186/s12943-016-0563-x) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Alf Spitschak
- Institute of Experimental Gene Therapy and Cancer Research, Rostock University Medical Center, Schillingallee 69, 18057, Rostock, Germany
| | - Claudia Meier
- Institute of Experimental Gene Therapy and Cancer Research, Rostock University Medical Center, Schillingallee 69, 18057, Rostock, Germany
| | - Bhavani Kowtharapu
- Current address: Department of Ophthalmology, Rostock University Medical Center, Rostock, Germany
| | - David Engelmann
- Institute of Experimental Gene Therapy and Cancer Research, Rostock University Medical Center, Schillingallee 69, 18057, Rostock, Germany
| | - Brigitte M Pützer
- Institute of Experimental Gene Therapy and Cancer Research, Rostock University Medical Center, Schillingallee 69, 18057, Rostock, Germany.
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46
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Arya D, Sachithanandan SP, Ross C, Palakodeti D, Li S, Krishna S. MiRNA182 regulates percentage of myeloid and erythroid cells in chronic myeloid leukemia. Cell Death Dis 2017; 8:e2547. [PMID: 28079885 PMCID: PMC5386378 DOI: 10.1038/cddis.2016.471] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2016] [Revised: 12/12/2016] [Accepted: 12/14/2016] [Indexed: 12/20/2022]
Abstract
The deregulation of lineage control programs is often associated with the progression of haematological malignancies. The molecular regulators of lineage choices in the context of tyrosine kinase inhibitor (TKI) resistance remain poorly understood in chronic myeloid leukemia (CML). To find a potential molecular regulator contributing to lineage distribution and TKI resistance, we undertook an RNA-sequencing approach for identifying microRNAs (miRNAs). Following an unbiased screen, elevated miRNA182-5p levels were detected in Bcr-Abl-inhibited K562 cells (CML blast crisis cell line) and in a panel of CML patients. Earlier, miRNA182-5p upregulation was reported in several solid tumours and haematological malignancies. We undertook a strategy involving transient modulation and CRISPR/Cas9 (clustered regularly interspersed short palindromic repeats)-mediated knockout of the MIR182 locus in CML cells. The lineage contribution was assessed by methylcellulose colony formation assay. The transient modulation of miRNA182-5p revealed a biased phenotype. Strikingly, Δ182 cells (homozygous deletion of MIR182 locus) produced a marked shift in lineage distribution. The phenotype was rescued by ectopic expression of miRNA182-5p in Δ182 cells. A bioinformatic analysis and Hes1 modulation data suggested that Hes1 could be a putative target of miRNA182-5p. A reciprocal relationship between miRNA182-5p and Hes1 was seen in the context of TK inhibition. In conclusion, we reveal a key role for miRNA182-5p in restricting the myeloid development of leukemic cells. We propose that the Δ182 cell line will be valuable in designing experiments for next-generation pharmacological interventions.
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Affiliation(s)
- Deepak Arya
- Cellular Organization and Signalling Group, National Centre for Biological Sciences, Tata Institute of Fundamental Research, Bangalore, India
- Manipal University, Manipal, India
| | - Sasikala P Sachithanandan
- Cellular Organization and Signalling Group, National Centre for Biological Sciences, Tata Institute of Fundamental Research, Bangalore, India
| | - Cecil Ross
- Department of Medicine, St Johns Medical College and Hospitals, Bangalore, India
| | - Dasaradhi Palakodeti
- Stem Cells and Regeneration Group, Institute for Stem Cell Biology and Regenerative Medicine, Bangalore, India
| | - Shang Li
- Duke-NUS Graduate Medical School, Singapore
| | - Sudhir Krishna
- Cellular Organization and Signalling Group, National Centre for Biological Sciences, Tata Institute of Fundamental Research, Bangalore, India
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47
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Wang S, Ji J, Song J, Li X, Han S, Lian W, Cao C, Zhang X, Li M. MicroRNA-182 promotes pancreatic cancer cell proliferation and migration by targeting β-TrCP2. Acta Biochim Biophys Sin (Shanghai) 2016; 48:1085-1093. [PMID: 27797718 DOI: 10.1093/abbs/gmw105] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2016] [Revised: 09/21/2016] [Accepted: 08/19/2016] [Indexed: 12/13/2022] Open
Abstract
Pancreatic cancer is an aggressive malignancy. The median survival rate remains low, indicating that the identification of novel biomarkers and therapeutic targets is critical. Here, we examined the role of microRNA-182 (miR-182) in pancreatic cancer development. Analysis of human pancreatic cancer specimens and cell lines showed that miR-182 is overexpressed in pancreatic cancer and promotes tumor proliferation and invasion. β-TrCP2 was confirmed as a direct target of miR-182. Silencing of β-TrCP2 increased the levels of β-catenin, which is similar to miR-182 overexpression. Ectopic expression of β-TrCP2 inhibited the miR-182-induced activation of β-catenin signaling. The oncogenic effect of miR-182 and its reversal by β-TrCP2 were confirmed in vivo This study suggests that β-TrCP and miR-182 may be possible biomarkers and targets for early detection and treatment of pancreatic cancer.
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Affiliation(s)
- Shi Wang
- Department of Interventional Radiology, Shanghai Tenth People's Hospital, Tongji University, Shanghai 200072, China
| | - Jiansong Ji
- Interventional Radiology Department of Zhejiang University Lishui Hospital, Lishui 323000, China
| | - Jingjing Song
- Interventional Radiology Department of Zhejiang University Lishui Hospital, Lishui 323000, China
| | - Xue Li
- Department of Interventional Radiology, Shanghai Tenth People's Hospital, Tongji University, Shanghai 200072, China
| | - Shilong Han
- Department of Interventional Radiology, Shanghai Tenth People's Hospital, Tongji University, Shanghai 200072, China
| | - Weishuai Lian
- Department of Interventional Radiology, Shanghai Tenth People's Hospital, Tongji University, Shanghai 200072, China
| | - Chuanwu Cao
- Department of Interventional Radiology, Shanghai Tenth People's Hospital, Tongji University, Shanghai 200072, China
| | - Xiaoping Zhang
- Department of Interventional Radiology, Shanghai Tenth People's Hospital, Tongji University, Shanghai 200072, China
- Institute of Medical Intervention Engineering, Tongji University, Shanghai 200073, China
| | - Maoquan Li
- Department of Interventional Radiology, Shanghai Tenth People's Hospital, Tongji University, Shanghai 200072, China
- Institute of Medical Intervention Engineering, Tongji University, Shanghai 200073, China
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48
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Zu Y, Yang Y, Zhu J, Bo X, Hou S, Zhang B, Qiu J, Zheng J. MiR-146a suppresses hepatocellular carcinoma by downregulating TRAF6. Am J Cancer Res 2016; 6:2502-2513. [PMID: 27904767 PMCID: PMC5126269] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2016] [Accepted: 05/22/2016] [Indexed: 06/06/2023] Open
Abstract
MicroRNAs have been proven to play important roles in many biological processes such as cellular growth and differentiation, apoptosis, and modulation of host response to viral infection. In the present study, we find that the expression of miR-146a was decreased in hepatocellular carcinoma (HCC) tissues compared with corresponding adjacent tissues, and the expression level in HCC cell lines was lower than in a normal liver cell. Over-expression suppressed the proliferation and invasion of HCC cells. In addition, luciferase reporter assays and western blotting confirmed that miR-146a directly target TRAF6 which attenuated the effect of miR-146a on cell proliferation and invasion in HepG2 and SMMC7721 cells. Meanwhile, lentivirus-mediated increased expression of miR146a repressed tumor formation in nude mice. Taken together, our findings demonstrate that miR-146a suppresses HCC by down-regulating TRAF6. We also discovered that miR-146a may represent a novel potential candidate of the HCC carcinoma diagnostic marker in the long term.
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Affiliation(s)
- Yong Zu
- Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science and Technology130 Meilong Road, Shanghai, China
| | - Yanhong Yang
- Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science and Technology130 Meilong Road, Shanghai, China
| | - Jiyun Zhu
- Department of Gastrointestinal Surgery, Renji Hospital, Shanghai Jiao Tong University, School of Medicine160 Pujian Road, Shanghai, China
| | - Xiaobo Bo
- Department of General Surgery, Zhong Shan Hospital, Fu Dan University180 Feng Lin Road, Shanghai, China
| | - Shuangxing Hou
- Department of Neurology, Shanghai Pudong Hospital, Fudan University Pudong Medical Center2800 Gongwei Road, Shanghai, China
| | - Bo Zhang
- Department of General Surgery, Zhong Shan Hospital, Fu Dan University180 Feng Lin Road, Shanghai, China
| | - Jiangfeng Qiu
- Department of Gastrointestinal Surgery, Renji Hospital, Shanghai Jiao Tong University, School of Medicine160 Pujian Road, Shanghai, China
| | - Jing Zheng
- Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science and Technology130 Meilong Road, Shanghai, China
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Li G, Li M, Hu J, Lei R, Xiong H, Ji H, Yin H, Wei Q, Hu G. The microRNA-182-PDK4 axis regulates lung tumorigenesis by modulating pyruvate dehydrogenase and lipogenesis. Oncogene 2016; 36:989-998. [PMID: 27641336 DOI: 10.1038/onc.2016.265] [Citation(s) in RCA: 60] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2015] [Revised: 05/17/2016] [Accepted: 06/17/2016] [Indexed: 02/08/2023]
Abstract
Reprogrammed metabolism is one of the hallmarks of cancer. The dysregulation of glycolysis in cancer has been heavily studied. However, it remains largely unclear how other metabolic processes are regulated in cancer cells. Here we show that microRNA-182 (miR-182) suppresses pyruvate dehydrogenase (PDH) kinase 4 (PDK4) and promotes lung tumorigenesis. miR-182 is dysregulated and inversely correlated with PDK4 in human lung adenocarcinomas. The miR-182-PDK4 axis regulates lung cancer cell growth by modulating the activity of PDH, the gatekeeping enzyme of pyruvate flux into acetyl-CoA, and subsequently de novo lipogenesis of cancer cells. Suppression of lipogenesis by silencing ATP citrate lyase (ACLY) and fatty acid synthase (FASN) or by chemical inhibitors diminishes the effects of miR-182-PDK4 in tumor growth. Alteration of de novo lipogenesis also affects reactive oxygen species (ROS) production and the downstream JNK signaling pathway. Hence, our work suggests that the miR-182-PDK4 axis is a crucial regulator of cancer cell metabolism and a potential target for antitumor therapy.
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Affiliation(s)
- G Li
- The Key Laboratory of Stem Cell Biology, Institute of Health Sciences, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences & Shanghai Jiao Tong University School of Medicine; University of Chinese Academy of Sciences, Shanghai, China
| | - M Li
- The Key Laboratory of Food Safety Research, Institute for Nutritional Sciences, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, China
| | - J Hu
- The Key Laboratory of Stem Cell Biology, Institute of Health Sciences, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences & Shanghai Jiao Tong University School of Medicine; University of Chinese Academy of Sciences, Shanghai, China
| | - R Lei
- The Key Laboratory of Stem Cell Biology, Institute of Health Sciences, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences & Shanghai Jiao Tong University School of Medicine; University of Chinese Academy of Sciences, Shanghai, China
| | - H Xiong
- Department of Oncology, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China
| | - H Ji
- The State Key Laboratory of Cell Biology, Institute of Biochemistry and Cell Biology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, China
| | - H Yin
- The Key Laboratory of Food Safety Research, Institute for Nutritional Sciences, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Q Wei
- Department of Pathology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, China
| | - G Hu
- The Key Laboratory of Stem Cell Biology, Institute of Health Sciences, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences & Shanghai Jiao Tong University School of Medicine; University of Chinese Academy of Sciences, Shanghai, China
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50
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Gao Y, Wang B, Gao S. BRD7 Acts as a Tumor Suppressor Gene in Lung Adenocarcinoma. PLoS One 2016; 11:e0156701. [PMID: 27580131 PMCID: PMC5007050 DOI: 10.1371/journal.pone.0156701] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2016] [Accepted: 05/18/2016] [Indexed: 02/02/2023] Open
Abstract
Lung cancer is one of the most malignant tumors and the leading cause of cancer-related deaths worldwide. Among lung cancers, 40% are diagnosed as adenocarcinoma. Bromodomain containing 7 (BRD7) is a member of bromodomain-containing protein family. It was proved to be downregulated in various cancers. However, the role of BRD7 in lung adenocarcinoma is still unknown. Western blot and qRT-PCR was performed to measure the BRD7 expression in lung adenocarcinoma tissues and cells. CCK8 and migration assay was done to detect the functional role of BRD7 in lung adenocarcinoma. In this study, we showed that the expression of BRD7 was downregulated in lung adenocarcinoma tissues and cells. The lower of BRD7 levels in patients with lung adenocarcinoma was associated with shortened disease-free survival. Furthermore, overexpression of BRD7 inhibited lung adenocarcinoma cell proliferation and migration. Inhibition of BRD7 expression promoted cell proliferation and migration by activating ERK phosphorylation. Overexpression of BRD7 inhibited cyclin D and myc expression. Our findings are consistent with a tumor suppressor role for BRD7 in lung adenocarcinoma tumorigenesis.
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Affiliation(s)
- Yushun Gao
- Department of thoracic surgical oncology, cancer institute (hospital), Chinese academy of medical sciences, Peking union medical college, Beijing, 100021, China
| | - Bing Wang
- Department of thoracic surgical oncology, cancer institute (hospital), Chinese academy of medical sciences, Peking union medical college, Beijing, 100021, China
| | - Shugeng Gao
- Department of thoracic surgical oncology, cancer institute (hospital), Chinese academy of medical sciences, Peking union medical college, Beijing, 100021, China
- * E-mail:
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