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Metge BJ, Alsheikh HAM, Kammerud SC, Chen D, Das D, Nebane NM, Bostwick JR, Shevde LA, Samant RS. Targeting EMT using low-dose Teniposide by downregulating ZEB2-driven activation of RNA polymerase I in breast cancer. Cell Death Dis 2024; 15:322. [PMID: 38719798 PMCID: PMC11079014 DOI: 10.1038/s41419-024-06694-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Revised: 04/15/2024] [Accepted: 04/18/2024] [Indexed: 05/12/2024]
Abstract
Metastatic dissemination from the primary tumor is a complex process that requires crosstalk between tumor cells and the surrounding milieu and involves the interplay between numerous cellular-signaling programs. Epithelial-mesenchymal transition (EMT) remains at the forefront of orchestrating a shift in numerous cellular programs, such as stemness, drug resistance, and apoptosis that allow for successful metastasis. Till date, there is limited success in therapeutically targeting EMT. Utilizing a high throughput screen of FDA-approved compounds, we uncovered a novel role of the topoisomerase inhibitor, Teniposide, in reversing EMT. Here, we demonstrate Teniposide as a potent modulator of the EMT program, specifically through an IRF7-NMI mediated response. Furthermore, Teniposide significantly reduces the expression of the key EMT transcriptional regulator, Zinc Finger E-Box Binding Homeobox 2 (ZEB2). ZEB2 downregulation by Teniposide inhibited RNA polymerase I (Pol I) activity and rRNA biogenesis. Importantly, Teniposide treatment markedly reduced pulmonary colonization of breast cancer cells. We have uncovered a novel role of Teniposide, which when used at a very low concentration, mitigates mesenchymal-like invasive phenotype. Overall, its ability to target EMT and rRNA biogenesis makes Teniposide a viable candidate to be repurposed as a therapeutic option to restrict breast cancer metastases.
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Affiliation(s)
- Brandon J Metge
- Department of Pathology, University of Alabama at Birmingham, Birmingham, AL, USA
| | | | - Sarah C Kammerud
- Department of Pathology, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Dongquan Chen
- Department of Medicine, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Devika Das
- Birmingham VA Health Care System, Birmingham, AL, USA
- Parexel Biotech, Waltham, MA, USA
| | - N Miranda Nebane
- High-Throughput Screening Center, Southern Research, Birmingham, AL, USA
| | - J Robert Bostwick
- High-Throughput Screening Center, Southern Research, Birmingham, AL, USA
| | - Lalita A Shevde
- Department of Pathology, University of Alabama at Birmingham, Birmingham, AL, USA
- O'Neal Comprehensive Cancer Center, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Rajeev S Samant
- Department of Pathology, University of Alabama at Birmingham, Birmingham, AL, USA.
- Birmingham VA Health Care System, Birmingham, AL, USA.
- O'Neal Comprehensive Cancer Center, University of Alabama at Birmingham, Birmingham, AL, USA.
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Bai Z, Yan C, Nie Y, Zeng Q, Xu L, Wang S, Chang D. Glucose metabolism-based signature predicts prognosis and immunotherapy strategies for colon adenocarcinoma. J Gene Med 2024; 26:e3620. [PMID: 37973153 DOI: 10.1002/jgm.3620] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 09/25/2023] [Accepted: 10/09/2023] [Indexed: 11/19/2023] Open
Abstract
BACKGROUND The global prevalence and metastasis rates of colon adenocarcinoma (COAD) are high, and therapeutic success is limited. Although previous research has primarily explored changes in gene phenotypes, the incidence rate of COAD remains unchanged. Metabolic reprogramming is a crucial aspect of cancer research and therapy. The present study aims to develop cluster and polygenic risk prediction models for COAD based on glucose metabolism pathways to assess the survival status of patients and potentially identify novel immunotherapy strategies and related therapeutic targets. METHODS COAD-specific data (including clinicopathological information and gene expression profiles) were sourced from The Cancer Genome Atlas (TCGA) and two Gene Expression Omnibus (GEO) datasets (GSE33113 and GSE39582). Gene sets related to glucose metabolism were obtained from the MSigDB database. The Gene Set Variation Analysis (GSVA) method was utilized to calculate pathway scores for glucose metabolism. The hclust function in R, part of the Pheatmap package, was used to establish a clustering system. The mutation characteristics of identified clusters were assessed via MOVICS software, and differentially expressed genes (DEGs) were filtered using limma software. Signature analysis was performed using the least absolute shrinkage and selection operator (LASSO) method. Survival curves, survival receiver operating characteristic (ROC) curves and multivariate Cox regression were analyzed to assess the efficacy and accuracy of the signature for prognostic prediction. The pRRophetic program was employed to predict drug sensitivity, with data sourced from the Genomics of Drug Sensitivity in Cancer (GDSC) database. RESULTS Four COAD subgroups (i.e., C1, C2, C3 and C4) were identified based on glucose metabolism, with the C4 group having higher survival rates. These four clusters were bifurcated into a new Clust2 system (C1 + C2 + C3 and C4). In total, 2175 DEGs were obtained (C1 + C2 + C3 vs. C4), from which 139 prognosis-related genes were identified. ROC curves predicting 1-, 3- and 5-year survival based on a signature containing nine genes showed an area under the curve greater than 0.7. Meanwhile, the study also found this feature to be an important predictor of prognosis in COAD and accordingly assessed the risk score, with higher risk scores being associated with a worse prognosis. The high-risk and low-risk groups responded differently to immunotherapy and chemotherapeutic agents, and there were differences in functional enrichment pathways. CONCLUSIONS This unique signature based on glucose metabolism may potentially provide a basis for predicting patient prognosis, biological characteristics and more effective immunotherapy strategies for COAD.
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Affiliation(s)
- Zilong Bai
- Department of Surgical Oncology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shanxi, China
| | - Chunyu Yan
- Department of Endocrinology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shanxi, China
| | - Yuanhua Nie
- Department of Surgical Oncology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shanxi, China
| | - Qingnuo Zeng
- Department of Surgical Oncology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shanxi, China
| | - Longwen Xu
- Department of Surgical Oncology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shanxi, China
| | - Shilong Wang
- Department of Surgical Oncology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shanxi, China
| | - Dongmin Chang
- Department of Surgical Oncology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shanxi, China
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Githaka JM, Pirayeshfard L, Goping IS. Cancer invasion and metastasis: Insights from murine pubertal mammary gland morphogenesis. Biochim Biophys Acta Gen Subj 2023; 1867:130375. [PMID: 37150225 DOI: 10.1016/j.bbagen.2023.130375] [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: 12/20/2022] [Revised: 04/20/2023] [Accepted: 05/02/2023] [Indexed: 05/09/2023]
Abstract
Cancer invasion and metastasis accounts for the majority of cancer related mortality. A better understanding of the players that drive the aberrant invasion and migration of tumors cells will provide critical targets to inhibit metastasis. Postnatal pubertal mammary gland morphogenesis is characterized by highly proliferative, invasive, and migratory normal epithelial cells. Identifying the molecular regulators of pubertal gland development is a promising strategy since tumorigenesis and metastasis is postulated to be a consequence of aberrant reactivation of developmental stages. In this review, we summarize the pubertal morphogenesis regulators that are involved in cancer metastasis and revisit pubertal mammary gland transcriptome profiling to uncover both known and unknown metastasis genes. Our updated list of pubertal morphogenesis regulators shows that most are implicated in invasion and metastasis. This review highlights molecular linkages between development and metastasis and provides a guide for exploring novel metastatic drivers.
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Affiliation(s)
- John Maringa Githaka
- Department of Biochemistry, University of Alberta, Edmonton, AB T6G 2H7, Canada.
| | - Leila Pirayeshfard
- Department of Biochemistry, University of Alberta, Edmonton, AB T6G 2H7, Canada
| | - Ing Swie Goping
- Department of Biochemistry, University of Alberta, Edmonton, AB T6G 2H7, Canada; Department of Oncology, University of Alberta, Edmonton, AB T6G 2H7, Canada.
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Alsheikh HAM, Metge BJ, Pruitt HC, Kammerud SC, Chen D, Wei S, Shevde LA, Samant RS. Disruption of STAT5A and NMI signaling axis leads to ISG20-driven metastatic mammary tumors. Oncogenesis 2021; 10:45. [PMID: 34078871 PMCID: PMC8172570 DOI: 10.1038/s41389-021-00333-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Revised: 04/23/2021] [Accepted: 05/07/2021] [Indexed: 12/12/2022] Open
Abstract
Molecular dynamics of developmental processes are repurposed by cancer cells to support cancer initiation and progression. Disruption of the delicate balance between cellular differentiation and plasticity during mammary development leads to breast cancer initiation and metastatic progression. STAT5A is essential for differentiation of secretory mammary alveolar epithelium. Active STAT5A characterizes breast cancer patients for favorable prognosis. N-Myc and STAT Interactor protein (NMI) was initially discovered as a protein that interacts with various STATs; however, the relevance of these interactions to normal mammary development and cancer was not known. We observe that NMI protein is expressed in the mammary ductal epithelium at the onset of puberty and is induced in pregnancy. NMI protein is decreased in 70% of patient specimens with metastatic breast cancer compared to primary tumors. Here we present our finding that NMI and STAT5A cooperatively mediate normal mammary development. Loss of NMI in vivo caused a decrease in STAT5A activity in normal mammary epithelial as well as breast cancer cells. Analysis of STAT5A mammary specific controlled genetic program in the context of NMI knockout revealed ISG20 (interferon stimulated exonuclease gene 20, a protein involved in rRNA biogenesis) as an unfailing negatively regulated target. Role of ISG20 has never been described in metastatic process of mammary tumors. We observed that overexpression of ISG20 is increased in metastases compared to matched primary breast tumor tissues. Our observations reveal that NMI-STAT5A mediated signaling keeps a check on ISG20 expression via miR-17–92 cluster. We show that uncontrolled ISG20 expression drives tumor progression and metastasis.
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Affiliation(s)
| | - Brandon J Metge
- Department of Pathology, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Hawley C Pruitt
- Department of Pathology, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Sarah C Kammerud
- Department of Pathology, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Dongquan Chen
- Department of Medicine, University of Alabama at Birmingham, Birmingham, AL, USA.,O'Neal Comprehensive Cancer Center, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Shi Wei
- Department of Pathology, University of Alabama at Birmingham, Birmingham, AL, USA.,O'Neal Comprehensive Cancer Center, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Lalita A Shevde
- Department of Pathology, University of Alabama at Birmingham, Birmingham, AL, USA.,O'Neal Comprehensive Cancer Center, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Rajeev S Samant
- Department of Pathology, University of Alabama at Birmingham, Birmingham, AL, USA. .,O'Neal Comprehensive Cancer Center, University of Alabama at Birmingham, Birmingham, AL, USA. .,Birmingham VA Medical Center, Birmingham, AL, USA.
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5
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Banday MM, Kumar A, Vestal G, Sethi J, Patel KN, O'Neill EB, Finan J, Cheng F, Lin M, Davis NM, Goldberg H, Coppolino A, Mallidi HR, Dunning J, Visner G, Gaggar A, Seyfang A, Sharma NS. N-myc-interactor mediates microbiome induced epithelial to mesenchymal transition and is associated with chronic lung allograft dysfunction. J Heart Lung Transplant 2021; 40:447-457. [PMID: 33781665 DOI: 10.1016/j.healun.2021.02.014] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2020] [Revised: 02/09/2021] [Accepted: 02/18/2021] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND Recent evidence suggests a role for lung microbiome in occurrence of chronic lung allograft dysfunction (CLAD). However, the mechanisms linking the microbiome to CLAD are poorly delineated. We investigated a possible mechanism involved in microbial modulation of mucosal response leading to CLAD with the hypothesis that a Proteobacteria dominant lung microbiome would inhibit N-myc-interactor (NMI) expression and induce epithelial to mesenchymal transition (EMT). METHODS Explant CLAD, non-CLAD, and healthy nontransplant lung tissue were collected, as well as bronchoalveolar lavage from 14 CLAD and matched non-CLAD subjects, which were followed by 16S rRNA amplicon sequencing and quantitative polymerase chain reaction (PCR) analysis. Pseudomonas aeruginosa (PsA) or PsA-lipopolysaccharide was cocultured with primary human bronchial epithelial cells (PBEC). Western blot analysis and quantitative reverse transcription (qRT) PCR was performed to evaluate NMI expression and EMT in explants and in PsA-exposed PBECs. These experiments were repeated after siRNA silencing and upregulation (plasmid vector) of EMT regulator NMI. RESULTS 16S rRNA amplicon analyses revealed that CLAD patients have a higher abundance of phyla Proteobacteria and reduced abundance of the phyla Bacteroidetes. At the genera level, CLAD subjects had an increased abundance of genera Pseudomonas and reduced Prevotella. Human CLAD airway cells showed a downregulation of the N-myc-interactor gene and presence of EMT. Furthermore, exposure of human primary bronchial epithelial cells to PsA resulted in downregulation of NMI and induction of an EMT phenotype while NMI upregulation resulted in attenuation of this PsA-induced EMT response. CONCLUSIONS CLAD is associated with increased bacterial biomass and a Proteobacteria enriched airway microbiome and EMT. Proteobacteria such as PsA induces EMT in human bronchial epithelial cells via NMI, demonstrating a newly uncovered mechanism by which the microbiome induces cellular metaplasia.
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Affiliation(s)
- Mudassir M Banday
- Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts
| | - Archit Kumar
- Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts
| | - Grant Vestal
- University of South Florida/Tampa General Hospital,Tampa, Florida
| | - Jaskaran Sethi
- University of South Florida/Tampa General Hospital,Tampa, Florida
| | - Kapil N Patel
- University of South Florida/Tampa General Hospital,Tampa, Florida
| | - Edward B O'Neill
- University of South Florida/Tampa General Hospital,Tampa, Florida
| | - Jon Finan
- University of South Florida/Tampa General Hospital,Tampa, Florida
| | - Feng Cheng
- University of South Florida/Tampa General Hospital,Tampa, Florida
| | - Muling Lin
- University of South Florida/Tampa General Hospital,Tampa, Florida
| | - Nicole M Davis
- University of South Florida/Tampa General Hospital,Tampa, Florida
| | - Hilary Goldberg
- Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts
| | - Antonio Coppolino
- Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts
| | - Hari R Mallidi
- Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts
| | - John Dunning
- University of South Florida/Tampa General Hospital,Tampa, Florida
| | - Gary Visner
- Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts
| | - Amit Gaggar
- University of Alabama at Birmingham, Birmingham, Alabama
| | - Andreas Seyfang
- University of South Florida Morsani College of Medicine/Molecular Medicine, Tampa, Florida
| | - Nirmal S Sharma
- Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts.
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Metge BJ, Kammerud SC, Pruitt HC, Shevde LA, Samant RS. Hypoxia re-programs 2'-O-Me modifications on ribosomal RNA. iScience 2020; 24:102010. [PMID: 33490918 PMCID: PMC7811136 DOI: 10.1016/j.isci.2020.102010] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Revised: 12/07/2020] [Accepted: 12/24/2020] [Indexed: 02/07/2023] Open
Abstract
Hypoxia is one of the critical stressors encountered by various cells of the human body under diverse pathophysiologic conditions including cancer and has profound impacts on several metabolic and physiologic processes. Hypoxia prompts internal ribosome entry site (IRES)-mediated translation of key genes, such as VEGF, that are vital for tumor progression. Here, we describe that hypoxia remarkably upregulates RNA Polymerase I activity. We discovered that in hypoxia, rRNA shows a different methylation pattern compared to normoxia. Heterogeneity in ribosomes due to the diversity of ribosomal RNA and protein composition has been postulated to generate “specialized ribosomes” that differentially regulate translation. We find that in hypoxia, a sub-set of differentially methylated ribosomes recognizes the VEGF-C IRES, suggesting that ribosomal heterogeneity allows for altered ribosomal functions in hypoxia. Chronic hypoxia stimulates RNA Pol I activity In hypoxia, a pool of specialized rRNA translates VEGFC IRES Hypoxia changes 2′-O-Me modification - epitranscriptomic marks on rRNA
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Affiliation(s)
- Brandon J Metge
- Department of Pathology, University of Alabama at Birmingham, WTI 320E 1824 6 Avenue South, Birmingham, AL 35233, USA
| | - Sarah C Kammerud
- Department of Pathology, University of Alabama at Birmingham, WTI 320E 1824 6 Avenue South, Birmingham, AL 35233, USA
| | - Hawley C Pruitt
- Department of Pathology, University of Alabama at Birmingham, WTI 320E 1824 6 Avenue South, Birmingham, AL 35233, USA
| | - Lalita A Shevde
- Department of Pathology, University of Alabama at Birmingham, WTI 320E 1824 6 Avenue South, Birmingham, AL 35233, USA.,O'Neal Comprehensive Cancer Center, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Rajeev S Samant
- Department of Pathology, University of Alabama at Birmingham, WTI 320E 1824 6 Avenue South, Birmingham, AL 35233, USA.,Birmingham VA Medical Center, Birmingham, AL, USA
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7
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Choi JE, Hyun CL, Jin MS, Lee KM, Moon JH, Ryu HS. Downregulation of N-myc and STAT Interactor Protein Predicts Aggressive Tumor Behavior and Poor Prognosis in Invasive Ductal Carcinoma. J Breast Cancer 2020; 23:36-46. [PMID: 32140268 PMCID: PMC7043944 DOI: 10.4048/jbc.2020.23.e12] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2019] [Accepted: 01/18/2020] [Indexed: 12/14/2022] Open
Abstract
PURPOSE We investigated the expression of the N-myc and STAT interactor (NMI) protein in invasive ductal carcinoma tissue and estimated its clinicopathologic significance as a prognostic factor. The expression levels and prognostic significance of NMI were also analyzed according to the molecular subgroup of breast cancers. METHODS Human NMI detection by immunohistochemistry was performed using tissue microarrays of 382 invasive ductal carcinomas. The correlation of NMI expression with patient clinicopathological parameters and prognostic significance was analyzed and further assessed according to the molecular subgroup of breast cancers. Moreover, in vitro experiments with 13 breast cancer cell lines were carried out. We also validated NMI expression significance in The Cancer Genome Atlas cohort using the Human Protein Atlas (HPA) database. RESULTS Low NMI expression was observed in 190 cases (49.7%). Low NMI expression was significantly associated with the "triple-negative" molecular subtype (p < 0.001), high nuclear grade (p < 0.001), high histologic grade (p < 0.001), and advanced anatomic stage (p = 0.041). Patients with low NMI expression had poorer progression-free survival (p = 0.038) than patients with high NMI expression. Low NMI expression was not significantly associated with patient prognosis in the molecular subgroup analysis. In vitro, a reduction of NMI expression was observed in 8 breast cancer cell lines, especially in the estrogen receptor-positive and basal B type of triple-negative breast cancer molecular subgroups. The HPA database showed that low NMI expression levels were associated with a lower survival probability compared with that associated with high NMI expression (p = 0.053). CONCLUSION NMI expression could be a useful prognostic biomarker and a potential novel therapeutic target in invasive ductal carcinoma.
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Affiliation(s)
- Ji Eun Choi
- Department of Pathology, Design Hospital, Jeonju, Korea
| | - Chang Lim Hyun
- Department of Pathology, Jeju National University Hospital, Jeju, Korea
| | - Min-Sun Jin
- Department of Pathology, Bucheon St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Bucheon, Korea
| | - Kyung-min Lee
- Department of Pathology, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Korea
| | - Ji Hye Moon
- Department of Pathology, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Korea
| | - Han Suk Ryu
- Department of Pathology, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Korea
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8
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Ji D, Feng Y, Peng W, Li J, Gu Q, Zhang Z, Qian W, Wang Q, Zhang Y, Sun Y. NMI promotes cell proliferation through TGFβ/Smad pathway by upregulating STAT1 in colorectal cancer. J Cell Physiol 2019; 235:429-441. [PMID: 31230364 DOI: 10.1002/jcp.28983] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2018] [Revised: 05/26/2019] [Accepted: 05/29/2019] [Indexed: 12/29/2022]
Affiliation(s)
- Dongjian Ji
- The First College of Clinical Medicine Nanjing Medical University Nanjing P.R. China
- Department of Colorectal Surgery The First Affiliated Hospital of Nanjing Medical University Nanjing P.R. China
| | - Yifei Feng
- Department of Colorectal Surgery The First Affiliated Hospital of Nanjing Medical University Nanjing P.R. China
| | - Wen Peng
- The First College of Clinical Medicine Nanjing Medical University Nanjing P.R. China
- Department of Colorectal Surgery The First Affiliated Hospital of Nanjing Medical University Nanjing P.R. China
| | - Jie Li
- The First College of Clinical Medicine Nanjing Medical University Nanjing P.R. China
- Department of Colorectal Surgery The First Affiliated Hospital of Nanjing Medical University Nanjing P.R. China
| | - Qi’ou Gu
- The First College of Clinical Medicine Nanjing Medical University Nanjing P.R. China
- Department of Colorectal Surgery The First Affiliated Hospital of Nanjing Medical University Nanjing P.R. China
| | - Zhiyuan Zhang
- The First College of Clinical Medicine Nanjing Medical University Nanjing P.R. China
- Department of Colorectal Surgery The First Affiliated Hospital of Nanjing Medical University Nanjing P.R. China
| | - Wenwei Qian
- The First College of Clinical Medicine Nanjing Medical University Nanjing P.R. China
- Department of Colorectal Surgery The First Affiliated Hospital of Nanjing Medical University Nanjing P.R. China
| | - Qingyuan Wang
- The First College of Clinical Medicine Nanjing Medical University Nanjing P.R. China
- Department of Colorectal Surgery The First Affiliated Hospital of Nanjing Medical University Nanjing P.R. China
| | - Yue Zhang
- Department of Colorectal Surgery The First Affiliated Hospital of Nanjing Medical University Nanjing P.R. China
| | - Yueming Sun
- Department of Colorectal Surgery The First Affiliated Hospital of Nanjing Medical University Nanjing P.R. China
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Jones KM, Karanam B, Jones-Triche J, Sandey M, Henderson HJ, Samant RS, Temesgen S, Yates C, Bedi D. Phage Ligands for Identification of Mesenchymal-Like Breast Cancer Cells and Cancer-Associated Fibroblasts. Front Oncol 2019; 8:625. [PMID: 30619759 PMCID: PMC6304394 DOI: 10.3389/fonc.2018.00625] [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: 07/08/2018] [Accepted: 12/03/2018] [Indexed: 11/18/2022] Open
Abstract
Epithelial to mesenchymal transition (EMT) is believed to be crucial for primary tumors to escape their original residence and invade and metastasize. To properly define EMT, there is a need for ligands that can identify this phenomenon in tumor tissue and invivo. A phage-display selection screening was performed to select novel binding phage peptides for identification of EMT in breast cancer. Epithelial breast cancer cell line, MCF-7 was transformed to mesenchymal phenotype by TGF-β treatment and was used for selection. Breast fibroblasts were used for subtractive depletion and breast cancer metastatic cell lines MDA-MB-231, T47D-shNMI were used for specificity assay. The binding peptides were identified, and their binding capacities were confirmed by phage capture assay, phage-based ELISA, immunofluorescence microscopy. The phage peptide bearing the 7-amino acid sequence, LGLRGSL, demonstrated selective binding to EMT phenotypic cells (MCF-7/TGF-β and MDA-MB-231) as compared to epithelial subtype, MCF-7, T47D and breast fibroblasts (Hs578T). The selected phage was also able to identify metastatic breast cancer tumor in breast cancer tissue microarray (TMA). These studies suggest that the selected phage peptide LGLRGSL identified by phage-display library, showed significant ability to bind to mesenchymal-like breast cancer cells/ tissues and can serve as a novel probe/ligand for metastatic breast cancer diagnostic and imaging.
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Affiliation(s)
- Kelvin M Jones
- Department of Biomedical Sciences, College of Veterinary Medicine, Tuskegee University, Tuskegee, AL, United States
| | - Balasubramanyam Karanam
- Department of Biology, Center for Cancer Research, Tuskegee University, Tuskegee, AL, United States
| | | | - Maninder Sandey
- Department of Pathobiology, Auburn University, Auburn, AL, United States
| | - Henry J Henderson
- Department of Biomedical Sciences, College of Veterinary Medicine, Tuskegee University, Tuskegee, AL, United States
| | - Rajeev S Samant
- Department of Pathobiology, The University of Alabama at Birmingham, Birmingham, AL, United States
| | - Samuel Temesgen
- Department of Pathobiology, College of Veterinary Medicine, Tuskegee University, Tuskegee, AL, United States
| | - Clayton Yates
- Department of Biology, Center for Cancer Research, Tuskegee University, Tuskegee, AL, United States
| | - Deepa Bedi
- Department of Biomedical Sciences, College of Veterinary Medicine, Tuskegee University, Tuskegee, AL, United States
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10
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Zhang F, Ren CC, Liu L, Chen YN, Yang L, Zhang XA. HOXC6 gene silencing inhibits epithelial-mesenchymal transition and cell viability through the TGF-β/smad signaling pathway in cervical carcinoma cells. Cancer Cell Int 2018; 18:204. [PMID: 30559605 PMCID: PMC6290547 DOI: 10.1186/s12935-018-0680-2] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2018] [Accepted: 11/06/2018] [Indexed: 01/06/2023] Open
Abstract
Background Homeobox C6 (HOXC6) plays a part in malignant progression of some tumors. However, the expression of HOXC6 and its clinical significance remains unclear in cervical carcinoma (CC). The purpose of this study is to verify the effects of HOXC6 gene silencing on CC through the TGF-β/smad signaling pathway. Methods CC tissues and corresponding paracancerous tissues were collected from CC patients with involvement of a series of HOXC6-siRNA, HA-HOXC6 and the TGF-β/smad pathway antagonist. HOXC6 expression was analyzed in six CC cell lines (C-33A, HeLa, CaSki, SiHa, ME-180, and HCC-94) by reverse transcription quantitative polymerase chain reaction (RT-qPCR) and western blot analysis. The mRNA and protein expression of HOXC6, TGF-β1, TGF-β RII, smad4, smad7, E-cadherin, N-cadherin, Vimentin, ki-67, proliferating cell nuclear antigen (PCNA), p27, and Cyclin D1 were determined by RT-qPCR and western blot analysis. Cell proliferation, apoptosis and cell cycle were detected by MTT assay and flow cytometry, respectively. Results Higher positive expression rate of HOXC6 protein was observed in CC tissues and HOXC6 was related to TNM stage, lymphatic metastasis, cancer types, primary lesion diameter, and histological grade of CC. Silencing HOXC6 inhibited epithelial-mesenchymal transition (EMT) (shown as decreased N-cadherin and Vimentin, and increased E-cadherin) through the inactivation of the TGF-β/smad signaling pathway. HOXC6 gene silencing hindered cell proliferation and accelerated cell apoptosis of CC cells. Furthermore, the effect of HOXC6 silencing was enhanced when the TGF-β/smad signaling pathway was suppressed. Conclusion The results reveal that HOXC6 gene silencing may inhibit EMT event and cell viability in CC through the inhibition of the activation of TGF-β/smad signaling pathway.
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Affiliation(s)
- Feng Zhang
- 1Department of Obstetrics and Gynecology, The Third Affiliated Hospital of Zhengzhou University, No. 7, Kangfu Front Street, Erqi District, Zhengzhou, 450052 Henan Province People's Republic of China
| | - Chen-Chen Ren
- 1Department of Obstetrics and Gynecology, The Third Affiliated Hospital of Zhengzhou University, No. 7, Kangfu Front Street, Erqi District, Zhengzhou, 450052 Henan Province People's Republic of China
| | - Ling Liu
- 1Department of Obstetrics and Gynecology, The Third Affiliated Hospital of Zhengzhou University, No. 7, Kangfu Front Street, Erqi District, Zhengzhou, 450052 Henan Province People's Republic of China
| | - Yan-Nan Chen
- 1Department of Obstetrics and Gynecology, The Third Affiliated Hospital of Zhengzhou University, No. 7, Kangfu Front Street, Erqi District, Zhengzhou, 450052 Henan Province People's Republic of China
| | - Li Yang
- 1Department of Obstetrics and Gynecology, The Third Affiliated Hospital of Zhengzhou University, No. 7, Kangfu Front Street, Erqi District, Zhengzhou, 450052 Henan Province People's Republic of China
| | - Xiao-An Zhang
- 2Department of Imaging, The Third Affiliated Hospital of Zhengzhou University, No. 7, Kangfu Front Street, Erqi District, Zhengzhou, 450052 Henan Province People's Republic of China
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11
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Conditional knockout of N-Myc and STAT interactor disrupts normal mammary development and enhances metastatic ability of mammary tumors. Oncogene 2018; 37:1610-1623. [PMID: 29326438 PMCID: PMC5921859 DOI: 10.1038/s41388-017-0037-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2017] [Revised: 09/26/2017] [Accepted: 10/23/2017] [Indexed: 02/07/2023]
Abstract
The process of organ development requires a delicate balance between cellular plasticity and differentiation. This balance is disrupted in cancer initiation and progression. N-Myc and STAT interactor (NMI: human or Nmi: murine) has emerged as a relevant player in the etiology of breast cancer. However, a fundamental understanding of its relevance to normal mammary biology is lacking. To gain insight into its normal function in mammary gland, we generated a mammary-specific Nmi knockout mouse model. We observed that Nmi protein expression is induced in mammary epithelium at the onset of pregnancy, in luminal cells and persists throughout lactation. Nmi knockout results in a precocious alveolar phenotype. These alveoli exhibit an extensive presence of nuclear β-catenin and enhanced Wnt/β-catenin signaling. The Nmi knockout pubertal ductal tree shows enhanced invasion of the mammary fatpad and increased terminal end bud numbers. Tumors from Nmi null mammary epithelium show a significant enrichment of poorly differentiated cells with elevated stem/progenitor markers, active Wnt/β-catenin signaling, highly invasive morphology as well as, increased number of distant metastases. Our study demonstrates that Nmi has a distinct role in the differentiation process of mammary luminal epithelial cell compartment and developmental aberrations resulting from Nmi absence contribute to metastasis and demonstrates that aberration in normal developmental program can lead to metastatic disease, highlighting the contribution and importance of luminal progenitor cells in driving metastatic disease.
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12
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Song D, Zhao J, Su C, Jiang Y, Hou J. Etoposide induced NMI promotes cell apoptosis by activating the ARF-p53 signaling pathway in lung carcinoma. Biochem Biophys Res Commun 2018; 495:368-374. [DOI: 10.1016/j.bbrc.2017.10.010] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2017] [Accepted: 10/02/2017] [Indexed: 12/17/2022]
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13
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NMI and IFP35 serve as proinflammatory DAMPs during cellular infection and injury. Nat Commun 2017; 8:950. [PMID: 29038465 PMCID: PMC5643540 DOI: 10.1038/s41467-017-00930-9] [Citation(s) in RCA: 55] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2016] [Accepted: 08/07/2017] [Indexed: 01/29/2023] Open
Abstract
Damage-associated molecular patterns (DAMP) trigger innate immune response and exacerbate inflammation to combat infection and cellular damage. Identifying DAMPs and revealing their functions are thus of crucial importance. Here we report that two molecules, N-myc and STAT interactor (NMI) and interferon-induced protein 35 (IFP35) act as DAMPs and are released by activated macrophages during lipopolysaccharide-induced septic shock or acetaminophen-induced liver injury. We show that extracellular NMI and IFP35 activate macrophages to release proinflammatory cytokines by activating nuclear factor-κB through the Toll-like receptor 4 pathway. In addition, the serum levels of NMI are increased in patients who succumbed to severe inflammation. NMI deficiency reduces inflammatory responses and mortality in mouse models of sepsis and liver injury. We therefore propose that extracellular NMI and IFP35 exacerbate inflammation as DAMPs, making them potential therapeutic targets for clinical intervention.Damage-associated molecular patterns (DAMP) are important mediators of innate immunity. Here the authors show that N-myc and STAT interactor (NMI) and interferon-induced protein 35 (IFP35) act as DAMPs to promote inflammation by activating macrophages via the Toll-like receptor 4 and NF-κB pathways.
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14
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Wang J, Zou K, Feng X, Chen M, Li C, Tang R, Xuan Y, Luo M, Chen W, Qiu H, Qin G, Li Y, Zhang C, Xiao B, Kang L, Kang T, Huang W, Yu X, Wu X, Deng W. Downregulation of NMI promotes tumor growth and predicts poor prognosis in human lung adenocarcinomas. Mol Cancer 2017; 16:158. [PMID: 29025423 PMCID: PMC5639741 DOI: 10.1186/s12943-017-0705-9] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2017] [Accepted: 07/12/2017] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND N-myc (and STAT) interactor (NMI) plays vital roles in tumor growth, progression, and metastasis. In this study, we identified NMI as a potential tumor suppressor in lung cancer and explored its molecular mechanism involved in lung cancer progression. METHODS Human lung cancer cell lines and a mouse xenograft model was used to study the effect of NMI on tumor growth. The expression of NMI, COX-2 and relevant signaling proteins were examined by Western blot. Tissue microarray immunohistochemical analysis was performed to assess the correlation between NMI and COX-2 expression in lung cancer patients. RESULTS NMI was highly expressed in normal lung cells and tissues, but lowly expressed in lung cancer cells and tissues. Overexpression of NMI induced apoptosis, suppressed lung cancer cell growth and migration, which were mediated by up-regulation of the cleaved caspase-3/9 and down-regulation of phosphorylated PI3K/AKT, MMP2/MMP9, β-cadherin, and COX-2/PGE2. In contrast, knockdown of NMI promoted lung cancer cell colony formation and migration, which were correlated with the increased expression of phosphorylated PI3K/AKT, MMP2/MMP9, β-cadherin and COX-2/PGE2. Further study showed that NMI suppressed COX-2 expression through inhibition of the p50/p65 NF-κB acetylation mediated by p300. The xenograft lung cancer mouse models also confirmed the NMI-mediated suppression of tumor growth by inhibiting COX-2 signaling. Moreover, tissue microarray immunohistochemical analysis of lung adenocarcinomas also demonstrated a negative correlation between NMI and COX-2 expression. Kaplan-Meier analysis indicated that the patients with high level of NMI had a significantly better prognosis. CONCLUSIONS Our study showed that NMI suppressed tumor growth by inhibiting PI3K/AKT, MMP2/MMP9, COX-2/PGE2 signaling pathways and p300-mediated NF-κB acetylation, and predicted a favorable prognosis in human lung adenocarcinomas, suggesting that NMI was a potential tumor suppressor in lung cancer.
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Affiliation(s)
- Jingshu Wang
- Sun Yat-sen University Cancer Center; State Key Laboratory of Oncology in South China; Collaborative Innovation Center of Cancer Medicine, Guangzhou, China.,Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University, Guangzhou, China
| | - Kun Zou
- The First Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Xu Feng
- Institute of Cancer Stem Cell, Dalian Medical University, Dalian, China
| | - Miao Chen
- Sun Yat-sen University Cancer Center; State Key Laboratory of Oncology in South China; Collaborative Innovation Center of Cancer Medicine, Guangzhou, China
| | - Cong Li
- Sun Yat-sen University Cancer Center; State Key Laboratory of Oncology in South China; Collaborative Innovation Center of Cancer Medicine, Guangzhou, China
| | - Ranran Tang
- Institute of Cancer Stem Cell, Dalian Medical University, Dalian, China
| | - Yang Xuan
- Institute of Cancer Stem Cell, Dalian Medical University, Dalian, China
| | - Meihua Luo
- Shunde Hospital, Southern Medical University, Foshan, China
| | - Wangbing Chen
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Huijuan Qiu
- Sun Yat-sen University Cancer Center; State Key Laboratory of Oncology in South China; Collaborative Innovation Center of Cancer Medicine, Guangzhou, China
| | - Ge Qin
- Sun Yat-sen University Cancer Center; State Key Laboratory of Oncology in South China; Collaborative Innovation Center of Cancer Medicine, Guangzhou, China
| | - Yixin Li
- Sun Yat-sen University Cancer Center; State Key Laboratory of Oncology in South China; Collaborative Innovation Center of Cancer Medicine, Guangzhou, China
| | - Changlin Zhang
- Sun Yat-sen University Cancer Center; State Key Laboratory of Oncology in South China; Collaborative Innovation Center of Cancer Medicine, Guangzhou, China
| | - Binyi Xiao
- Sun Yat-sen University Cancer Center; State Key Laboratory of Oncology in South China; Collaborative Innovation Center of Cancer Medicine, Guangzhou, China
| | - Lan Kang
- Institute of Cancer Stem Cell, Dalian Medical University, Dalian, China
| | - Tiebang Kang
- Sun Yat-sen University Cancer Center; State Key Laboratory of Oncology in South China; Collaborative Innovation Center of Cancer Medicine, Guangzhou, China
| | - Wenlin Huang
- Sun Yat-sen University Cancer Center; State Key Laboratory of Oncology in South China; Collaborative Innovation Center of Cancer Medicine, Guangzhou, China.,State Key Laboratory of Targeted Drug for Tumors of Guangdong Province, Guangzhou Double Bioproduct Inc., Guangzhou, China
| | - Xinfa Yu
- Shunde Hospital, Southern Medical University, Foshan, China.
| | - Xiaojun Wu
- Sun Yat-sen University Cancer Center; State Key Laboratory of Oncology in South China; Collaborative Innovation Center of Cancer Medicine, Guangzhou, China.
| | - Wuguo Deng
- Sun Yat-sen University Cancer Center; State Key Laboratory of Oncology in South China; Collaborative Innovation Center of Cancer Medicine, Guangzhou, China. .,State Key Laboratory of Targeted Drug for Tumors of Guangdong Province, Guangzhou Double Bioproduct Inc., Guangzhou, China.
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15
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NMI promotes hepatocellular carcinoma progression via BDKRB2 and MAPK/ERK pathway. Oncotarget 2017; 8:12174-12185. [PMID: 28077802 PMCID: PMC5355334 DOI: 10.18632/oncotarget.14556] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2016] [Accepted: 11/24/2016] [Indexed: 12/28/2022] Open
Abstract
Hepatocellular carcinoma (HCC) is one of the most prevalent and aggressive malignant tumors. The involvement of N-myc (and STAT) interactor (NMI) and its possible functional mechanisms in HCC progression still remain to be elucidated. In this study, we found that NMI was overexpressed in metastatic HCC cell lines compared with non-metastatic ones; and the expression levels of NMI in the HCC samples with metastasis were higher than that in the non-metastatic specimens. Furthermore, NMI depletion significantly decreased HCC cell proliferation and invasiveness in vitro, and also inhibited tumor growth and lung metastasis in vivo in nude mice models bearing human HCC. By contrast, NMI stable overexpression can enhance the malignant behaviors obviously. Moreover, we further verified that NMI promotes the expression of BDKRB2 and mediates the activation of MAPK/ERK signaling pathway according to the bidirectional perturbations of NMI expression in vivo or in vitro of HCC. Taken together, NMI is a pro-metastatic molecule and partially responsible for HCC tumor growth and motility. NMI could improve its downstream target BDKRB2 expression to induce ERK1/2 activation, and thereby further evoke malignant progression of HCC.
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16
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NMI inhibits cancer stem cell traits by downregulating hTERT in breast cancer. Cell Death Dis 2017; 8:e2783. [PMID: 28492540 PMCID: PMC5520720 DOI: 10.1038/cddis.2017.200] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2016] [Revised: 03/24/2017] [Accepted: 03/27/2017] [Indexed: 12/21/2022]
Abstract
N-myc and STAT interactor (NMI) has been proved to bind to different transcription factors to regulate a variety of signaling mechanisms including DNA damage, cell cycle and epithelial–mesenchymal transition. However, the role of NMI in the regulation of cancer stem cells (CSCs) remains poorly understood. In this study, we investigated the regulation of NMI on CSCs traits in breast cancer and uncovered the underlying molecular mechanisms. We found that NMI was lowly expressed in breast cancer stem cells (BCSCs)-enriched populations. Knockdown of NMI promoted CSCs traits while its overexpression inhibited CSCs traits, including the expression of CSC-related markers, the number of CD44+CD24− cell populations and the ability of mammospheres formation. We also found that NMI-mediated regulation of BCSCs traits was at least partially realized through the modulation of hTERT signaling. NMI knockdown upregulated hTERT expression while its overexpression downregulated hTERT in breast cancer cells, and the changes in CSCs traits and cell invasion ability mediated by NMI were rescued by hTERT. The in vivo study also validated that NMI knockdown promoted breast cancer growth by upregulating hTERT signaling in a mouse model. Moreover, further analyses for the clinical samples demonstrated that NMI expression was negatively correlated with hTERT expression and the low NMI/high hTERT expression was associated with the worse status of clinical TNM stages in breast cancer patients. Furthermore, we demonstrated that the interaction of YY1 protein with NMI and its involvement in NMI-mediated transcriptional regulation of hTERT in breast cancer cells. Collectively, our results provide new insights into understanding the regulatory mechanism of CSCs and suggest that the NMI-YY1-hTERT signaling axis may be a potential therapeutic target for breast cancers.
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17
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Microcystin-LR promotes epithelial-mesenchymal transition in colorectal cancer cells through PI3-K/AKT and SMAD2. Toxicol Lett 2016; 265:53-60. [PMID: 27856280 DOI: 10.1016/j.toxlet.2016.11.004] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2016] [Revised: 11/09/2016] [Accepted: 11/13/2016] [Indexed: 02/07/2023]
Abstract
Increasing evidences suggest that microcystins, a kind of toxic metabolites, produced by cyanobacteria in contaminated water may contribute to the aggravation of the human colorectal carcinoma. Our previous study showed that microcystin-LR (MC-LR) exposure caused significant invasion and migration of colorectal cancer cells. However, the roles of MC-LR in regulating epithelial-mesenchymal transition (EMT) in colorectal cancer cells remain unknown. In our study, we observed that MC-LR treatment decreased epithelial marker E-cadherin expression and up-regulated the levels of mesenchymal markers Vimentin and Snail in colorectal cancer cells. Moreover, MC-LR stimulated protein expression of SMAD2 and phospho-SMAD2 by PI3-K/AKT activation. The activated PI3-K/AKT and SMAD2 signaling largely accounted for MC-LR-induced EMT, which could be reversed by SMAD2 RNA interference or PI3-K/AKT chemical inhibitor in colorectal cancer cells. Our results show that MC-LR could induce SMAD2 expression to promote colorectal cancer cells EMT, which not only provides a mechanistic insight on MC-LR promotes EMT in colorectal cancer cells, but also support to the development of therapies aimed at SMAD2 in colorectal cancer induced by MC-LR.
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18
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Hou J, Wang T, Xie Q, Deng W, Yang JY, Zhang SQ, Cai JC. N-Myc-interacting protein (NMI) negatively regulates epithelial-mesenchymal transition by inhibiting the acetylation of NF-κB/p65. Cancer Lett 2016; 376:22-33. [PMID: 27012186 DOI: 10.1016/j.canlet.2016.02.015] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2015] [Revised: 02/07/2016] [Accepted: 02/09/2016] [Indexed: 01/13/2023]
Abstract
The epithelial-mesenchymal transition (EMT) plays an essential role in embryonic development, wound healing, tissue regeneration, organ fibrosis, and tumor progression. However, the mechanisms underlying this process are poorly understood. Many signaling pathways, including the NF-κB signaling pathway, trigger EMT during development and differentiation. In the present study, we report that N-Myc interactor (NMI) inhibits EMT progression by suppressing transcriptional activities of NF-κB in human gastric cancer cells. We show that the expression of NMI is significantly reduced in invasive gastric cancer cells and gastric cancer tissues. Overexpression of NMI inhibited cell migration and invasion, and this inhibition was enhanced after TNF-α stimulation. Tumorigenicity assay in nude mice support the notion that NMI inhibits EMT in cancer cells. Mechanistically, NMI promotes the interaction between NF-κB/p65 and histone deacetylases (HDACs) and inhibits the acetylation and transcriptional activity of p65. The expression of p65 rescues NMI-mediated inhibition of EMT and the inhibition of the acetylation of p65 mediated by NMI is HDACs-dependent. Taken together, these findings suggest that NMI can suppress tumor invasion and metastasis by inhibiting NF-κB pathways, providing an alternative mechanism for EMT inhibition in stomach neoplasm.
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Affiliation(s)
- Jingjing Hou
- Department of Gastrointestinal Surgery, Zhongshan Hospital of Xiamen University, Xiamen, Fujian, 361004, China; Institute of Gastrointestinal Oncology, Medical College of Xiamen University, Xiamen, Fujian, 361004, China; Xiehe Clinical Medical College, Fujian Medical University, Fuzhou, Fujian, 350001, China
| | - Tao Wang
- Department of Gastrointestinal Surgery, Zhongshan Hospital of Xiamen University, Xiamen, Fujian, 361004, China; Institute of Gastrointestinal Oncology, Medical College of Xiamen University, Xiamen, Fujian, 361004, China; Xiehe Clinical Medical College, Fujian Medical University, Fuzhou, Fujian, 350001, China
| | - Qingqing Xie
- State Key Laboratory of Cellular Stress Biology and School of Life Sciences, Xiamen University, Xiamen, Fujian, 361102, China
| | - Weixian Deng
- Department of Gastrointestinal Surgery, Zhongshan Hospital of Xiamen University, Xiamen, Fujian, 361004, China; Institute of Gastrointestinal Oncology, Medical College of Xiamen University, Xiamen, Fujian, 361004, China
| | - James Y Yang
- State Key Laboratory of Cellular Stress Biology and School of Life Sciences, Xiamen University, Xiamen, Fujian, 361102, China
| | - Si Qing Zhang
- State Key Laboratory of Cellular Stress Biology and School of Life Sciences, Xiamen University, Xiamen, Fujian, 361102, China.
| | - Jian-Chun Cai
- Department of Gastrointestinal Surgery, Zhongshan Hospital of Xiamen University, Xiamen, Fujian, 361004, China; Institute of Gastrointestinal Oncology, Medical College of Xiamen University, Xiamen, Fujian, 361004, China; Xiehe Clinical Medical College, Fujian Medical University, Fuzhou, Fujian, 350001, China.
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19
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Pruitt HC, Devine DJ, Samant RS. Roles of N-Myc and STAT interactor in cancer: From initiation to dissemination. Int J Cancer 2016; 139:491-500. [PMID: 26874464 PMCID: PMC5069610 DOI: 10.1002/ijc.30043] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2015] [Revised: 01/20/2016] [Accepted: 02/09/2016] [Indexed: 12/22/2022]
Abstract
N‐myc & STAT Interactor, NMI, is a protein that has mostly been studied for its physical interactions with transcription factors that play critical roles in tumor growth, progression and metastasis. NMI is an inducible protein, thus its intracellular levels and location can vary dramatically, influencing a diverse array of cellular functions in a context‐dependent manner. The physical interactions of NMI with its binding partners have been linked to many aspects of tumor biology including DNA damage response, cell death, epithelial‐to‐mesenchymal transition and stemness. Thus, discovering more details about the function(s) of NMI could reveal key insights into how transcription factors like c‐Myc, STATs and BRCA1 are contextually regulated. Although a normal, physiological function of NMI has not yet been discovered, it has potential roles in pathologies ranging from viral infection to cancer. This review provides a timely perspective of the unfolding roles of NMI with specific focus on cancer progression and metastasis.
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Affiliation(s)
- Hawley C Pruitt
- Department of Pathology and Comprehensive Cancer Center, University of Alabama at Birmingham, Alabama, AL
| | | | - Rajeev S Samant
- Department of Pathology and Comprehensive Cancer Center, University of Alabama at Birmingham, Alabama, AL
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20
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Meng D, Chen Y, Yun D, Zhao Y, Wang J, Xu T, Li X, Wang Y, Yuan L, Sun R, Song X, Huai C, Hu L, Yang S, Min T, Chen J, Chen H, Lu D. High expression of N-myc (and STAT) interactor predicts poor prognosis and promotes tumor growth in human glioblastoma. Oncotarget 2016; 6:4901-19. [PMID: 25669971 PMCID: PMC4467123 DOI: 10.18632/oncotarget.3208] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2014] [Accepted: 12/25/2014] [Indexed: 12/20/2022] Open
Abstract
Glioma is the most malignant brain tumor and glioblastoma (GBM) is the most aggressive type. The involvement of N-myc (and STAT) interactor (NMI) in tumorigenesis was sporadically reported but far from elucidation. This study aims to investigate roles of NMI in human glioma. Three independent cohorts, the Chinese tissue microarray (TMA) cohort (N = 209), the Repository for Molecular Brain Neoplasia Data (Rembrandt) cohort (N = 371) and The Cancer Genome Atlas (TCGA) cohort (N = 528 or 396) were employed. Transcriptional or protein levels of NMI expression were significantly increased according to tumor grade in all three cohorts. High expression of NMI predicted significantly unfavorable clinical outcome for GBM patients, which was further determined as an independent prognostic factor. Additionally, expression and prognostic value of NMI were associated with molecular features of GBM including PTEN deletion and EGFR amplification in TCGA cohort. Furthermore, overexpression or depletion of NMI revealed its regulation on G1/S progression and cell proliferation (both in vitro and in vivo), and this effect was partially dependent on STAT1, which interacted with and was regulated by NMI. These data demonstrate that NMI may serve as a novel prognostic biomarker and a potential therapeutic target for glioblastoma.
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Affiliation(s)
- Delong Meng
- State Key Laboratory of Genetic Engineering and MOE Key Laboratory of Contemporary Anthropology, Collaborative Innovation Center for Genetics and Development, Institute of Genetics, School of Life Sciences, Fudan University, Shanghai, China
| | - Yuanyuan Chen
- State Key Laboratory of Genetic Engineering and MOE Key Laboratory of Contemporary Anthropology, Collaborative Innovation Center for Genetics and Development, Institute of Genetics, School of Life Sciences, Fudan University, Shanghai, China
| | - Dapeng Yun
- State Key Laboratory of Genetic Engineering and MOE Key Laboratory of Contemporary Anthropology, Collaborative Innovation Center for Genetics and Development, Institute of Genetics, School of Life Sciences, Fudan University, Shanghai, China
| | - Yingjie Zhao
- State Key Laboratory of Genetic Engineering and MOE Key Laboratory of Contemporary Anthropology, Collaborative Innovation Center for Genetics and Development, Institute of Genetics, School of Life Sciences, Fudan University, Shanghai, China
| | - Jingkun Wang
- State Key Laboratory of Genetic Engineering and MOE Key Laboratory of Contemporary Anthropology, Collaborative Innovation Center for Genetics and Development, Institute of Genetics, School of Life Sciences, Fudan University, Shanghai, China
| | - Tao Xu
- Department of Neurosurgery, Shanghai Institute of Neurosurgery, Changzheng Hospital, Second Military Medical University, Shanghai, China
| | - Xiaoying Li
- State Key Laboratory of Genetic Engineering and MOE Key Laboratory of Contemporary Anthropology, Collaborative Innovation Center for Genetics and Development, Institute of Genetics, School of Life Sciences, Fudan University, Shanghai, China
| | - Yuqi Wang
- State Key Laboratory of Genetic Engineering and MOE Key Laboratory of Contemporary Anthropology, Collaborative Innovation Center for Genetics and Development, Institute of Genetics, School of Life Sciences, Fudan University, Shanghai, China
| | - Li Yuan
- State Key Laboratory of Genetic Engineering and MOE Key Laboratory of Contemporary Anthropology, Collaborative Innovation Center for Genetics and Development, Institute of Genetics, School of Life Sciences, Fudan University, Shanghai, China
| | - Ruochuan Sun
- The Eighth Department of General Surgery and Department of Pathology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Xiao Song
- State Key Laboratory of Genetic Engineering and MOE Key Laboratory of Contemporary Anthropology, Collaborative Innovation Center for Genetics and Development, Institute of Genetics, School of Life Sciences, Fudan University, Shanghai, China
| | - Cong Huai
- State Key Laboratory of Genetic Engineering and MOE Key Laboratory of Contemporary Anthropology, Collaborative Innovation Center for Genetics and Development, Institute of Genetics, School of Life Sciences, Fudan University, Shanghai, China
| | - Lingna Hu
- State Key Laboratory of Genetic Engineering and MOE Key Laboratory of Contemporary Anthropology, Collaborative Innovation Center for Genetics and Development, Institute of Genetics, School of Life Sciences, Fudan University, Shanghai, China
| | - Song Yang
- The Eighth Department of General Surgery and Department of Pathology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Taishan Min
- State Key Laboratory of Genetic Engineering and MOE Key Laboratory of Contemporary Anthropology, Collaborative Innovation Center for Genetics and Development, Institute of Genetics, School of Life Sciences, Fudan University, Shanghai, China
| | - Juxiang Chen
- Department of Neurosurgery, Shanghai Institute of Neurosurgery, Changzheng Hospital, Second Military Medical University, Shanghai, China
| | - Hongyan Chen
- State Key Laboratory of Genetic Engineering and MOE Key Laboratory of Contemporary Anthropology, Collaborative Innovation Center for Genetics and Development, Institute of Genetics, School of Life Sciences, Fudan University, Shanghai, China
| | - Daru Lu
- State Key Laboratory of Genetic Engineering and MOE Key Laboratory of Contemporary Anthropology, Collaborative Innovation Center for Genetics and Development, Institute of Genetics, School of Life Sciences, Fudan University, Shanghai, China
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Metge BJ, Mitra A, Chen D, Shevde LA, Samant RS. N-Myc and STAT Interactor regulates autophagy and chemosensitivity in breast cancer cells. Sci Rep 2015; 5:11995. [PMID: 26146406 PMCID: PMC4648342 DOI: 10.1038/srep11995] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2015] [Accepted: 06/15/2015] [Indexed: 12/19/2022] Open
Abstract
We have previously reported that expression of NMI (N-myc and STAT interactor) is compromised in invasive breast cancers. We also demonstrated that loss of NMI expression promotes epithelial-mesenchymal-transition and results in enhanced invasive ability of breast cancer cells. Additionally we had demonstrated that restoration of NMI expression reduced breast cancer xenograft growth and downregulated Wnt and TGFβ/SMAD signaling. Here we present our observations that NMI expression drives autophagy. Our studies were promoted by our observation that NMI expressing breast cancer cells showed autophagic vacuoles and LC3 processing. Additionally, we found that NMI expression increased the cisplatin sensitivity of the breast cancer cells. Our mechanistic investigations show that NMI prompts activation of GSK3-β. This multifunctional kinase is an upstream effector of the TSC1/TSC2 complex that regulates mTOR signaling. Inhibition of GSK3-β activity in NMI expressing cells activated mTOR signaling and decreased the cells' autophagic response. Additionally we demonstrate that a key component of autophagy, DNA-damage regulated autophagy modulator 1 (DRAM1), is regulated by NMI. Our TCGA database analysis reveals concurrent expression of NMI and DRAM1 in breast cancer specimens. We present evidence that NMI sensitizes breast cancer cells to cisplatin treatment through DRAM1 dependent autophagy.
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Affiliation(s)
- Brandon J. Metge
- Department of Pathology, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Aparna Mitra
- Mitchell Cancer Institute, University of South Alabama, Mobile, AL, USA
| | - Dongquan Chen
- Department of Pathology, University of Alabama at Birmingham, Birmingham, AL, USA
- Comprehensive Cancer Centre, University of Alabama at Birmingham, Birmingham, AL, USA
- Division of Preventive Medicine, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Lalita A. Shevde
- Department of Pathology, University of Alabama at Birmingham, Birmingham, AL, USA
- Comprehensive Cancer Centre, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Rajeev S. Samant
- Department of Pathology, University of Alabama at Birmingham, Birmingham, AL, USA
- Comprehensive Cancer Centre, University of Alabama at Birmingham, Birmingham, AL, USA
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Avasarala S, Van Scoyk M, Karuppusamy Rathinam MK, Zerayesus S, Zhao X, Zhang W, Pergande MR, Borgia JA, DeGregori J, Port JD, Winn RA, Bikkavilli RK. PRMT1 Is a Novel Regulator of Epithelial-Mesenchymal-Transition in Non-small Cell Lung Cancer. J Biol Chem 2015; 290:13479-89. [PMID: 25847239 PMCID: PMC4505594 DOI: 10.1074/jbc.m114.636050] [Citation(s) in RCA: 89] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2014] [Indexed: 01/06/2023] Open
Abstract
Protein arginine methyl transferase 1 (PRMT1) was shown to be up-regulated in cancers and important for cancer cell proliferation. However, the role of PRMT1 in lung cancer progression and metastasis remains incompletely understood. In the present study, we show that PRMT1 is an important regulator of epithelial-mesenchymal transition (EMT), cancer cell migration, and invasion, which are essential processes during cancer progression, and metastasis. Additionally, we have identified Twist1, a basic helix-loop-helix transcription factor and a well-known E-cadherin repressor, as a novel PRMT1 substrate. Taken together, we show that PRMT1 is a novel regulator of EMT and arginine 34 (Arg-34) methylation of Twist1 as a unique "methyl arginine mark" for active E-cadherin repression. Therefore, targeting PRMT1-mediated Twist1 methylation might represent a novel strategy for developing new anti-invasive/anti-metastatic drugs. Moreover, methylated Twist1 (Arg-34), as such, could also emerge as a potential important biomarker for lung cancer.
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Affiliation(s)
| | | | | | - Sereke Zerayesus
- From the Division of Pulmonary, Critical Care, Sleep and Allergy, and
| | - Xiangmin Zhao
- From the Division of Pulmonary, Critical Care, Sleep and Allergy, and
| | - Wei Zhang
- the Department of Pediatrics, University of Illinois at Chicago, Chicago, Illinois 60612
| | - Melissa R Pergande
- the Department of Pathology and Department of Biochemistry, Rush University Medical Center, Chicago, Illinois 60612, and
| | - Jeffrey A Borgia
- the Department of Pathology and Department of Biochemistry, Rush University Medical Center, Chicago, Illinois 60612, and
| | | | - J David Port
- the Departments of Medicine, Cardiology and Pharmacology, University of Colorado Anschutz Medical Campus, Aurora, Colorado 80045
| | - Robert A Winn
- From the Division of Pulmonary, Critical Care, Sleep and Allergy, and
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Meng D, Li X, Zhang S, Zhao Y, Song X, Chen Y, Wang S, Mao Y, Chen H, Lu D. Genetic variants in N-myc (and STAT) interactor and susceptibility to glioma in a Chinese Han population. Tumour Biol 2014; 36:1579-88. [PMID: 25387807 DOI: 10.1007/s13277-014-2745-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2014] [Accepted: 10/15/2014] [Indexed: 12/31/2022] Open
Abstract
Glioma is one of the most common and lethal brain tumors. N-myc (and STAT) interactor (NMI) gene has been reported in tumorigenesis, and our previous study further showed its implication in glioma progression. To elucidate its involvement in the etiology of glioma, we conducted a case-control study of 875 patients and 1040 controls in a Chinese Han population by genotyping 7 representative single nucleotide polymorphisms (SNPs) in NMI. Allele and genotype frequency distribution of five loci (rs2278089, rs2194492, rs6734376, rs3854012, and rs11730) were significantly different between the cases and controls. Unconditional logistic regression showed that the variant genotypes of rs2278089 [adjusted odds ratio (OR) = 1.57, P = 4.23 × 10(-6)], rs2194492 (adjusted OR = 1.49, P = 1.20 × 10(-4)), and rs6734376 (adjusted OR = 0.06, P = 8.65 × 10(-13)) significantly affected glioma risk compared with the major homozygotes, while the minor homozygotes of rs3854012 (adjusted OR = 0.54, P = 4.64 × 10(-6)) and rs11730 (adjusted OR = 0.60, P = 1.50 × 10(-4)) showed significant protective effects. Further stratified analyses indicated that these associations remained significant in subgroups of low-grade glioma (LGG) and high-grade glioma (HGG). Additionally, haplotype and diplotype analyses showed consistent results. The Bonferroni correction was applied for all these analyses. Moreover, luciferase reporter gene assays revealed enhanced promoter activity of the C risk allele of rs2194492 in several cell lines compared with the G major allele, suggesting its potential function in transcriptional activation of NMI. Taken together, these results revealed that NMI polymorphisms may contribute to genetic susceptibility to glioma.
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Affiliation(s)
- Delong Meng
- State Key Laboratory of Genetic Engineering, Fudan-VARI Genetic Epidemiology Center and MOE Key Laboratory of Contemporary Anthropology, Institute of Genetics, School of Life Sciences, Fudan University, No. 2005 Songhu Road, Shanghai, 200438, People's Republic of China
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24
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Rostas JW, Pruitt HC, Metge BJ, Mitra A, Bailey SK, Bae S, Singh KP, Devine DJ, Dyess DL, Richards WO, Tucker JA, Shevde LA, Samant RS. microRNA-29 negatively regulates EMT regulator N-myc interactor in breast cancer. Mol Cancer 2014; 13:200. [PMID: 25174825 PMCID: PMC4169820 DOI: 10.1186/1476-4598-13-200] [Citation(s) in RCA: 54] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2014] [Accepted: 08/21/2014] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND N-Myc Interactor is an inducible protein whose expression is compromised in advanced stage breast cancer. Downregulation of NMI, a gatekeeper of epithelial phenotype, in breast tumors promotes mesenchymal, invasive and metastatic phenotype of the cancer cells. Thus the mechanisms that regulate expression of NMI are of potential interest for understanding the etiology of breast tumor progression and metastasis. METHOD Web based prediction algorithms were used to identify miRNAs that potentially target the NMI transcript. Luciferase reporter assays and western blot analysis were used to confirm the ability of miR-29 to target NMI. Quantitive-RT-PCRs were used to examine levels of miR29 and NMI from cell line and patient specimen derived RNA. The functional impact of miR-29 on EMT phenotype was evaluated using transwell migration as well as monitoring 3D matrigel growth morphology. Anti-miRs were used to examine effects of reducing miR-29 levels from cells. Western blots were used to examine changes in GSK3β phosphorylation status. The impact on molecular attributes of EMT was evaluated using immunocytochemistry, qRT-PCRs as well as Western blot analyses. RESULTS Invasive, mesenchymal-like breast cancer cell lines showed increased levels of miR-29. Introduction of miR-29 into breast cancer cells (with robust level of NMI) resulted in decreased NMI expression and increased invasion, whereas treatment of cells with high miR-29 and low NMI levels with miR-29 antagonists increased NMI expression and decreased invasion. Assessment of 2D and 3D growth morphologies revealed an EMT promoting effect of miR-29. Analysis of mRNA of NMI and miR-29 from patient derived breast cancer tumors showed a strong, inverse relationship between the expression of NMI and the miR-29. Our studies also revealed that in the absence of NMI, miR-29 expression is upregulated due to unrestricted Wnt/β-catenin signaling resulting from inactivation of GSK3β. CONCLUSION Aberrant miR-29 expression may account for reduced NMI expression in breast tumors and mesenchymal phenotype of cancer cells that promotes invasive growth. Reduction in NMI levels has a feed-forward impact on miR-29 levels.
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Affiliation(s)
- Jack W Rostas
- />Department of Surgery, University of South Alabama, Mobile, AL USA
| | - Hawley C Pruitt
- />Department of Pathology, University of Alabama at Birmingham, WTI-320E, 1824 6th avenue South, Birmingham, AL 35294 USA
| | - Brandon J Metge
- />Department of Pathology, University of Alabama at Birmingham, WTI-320E, 1824 6th avenue South, Birmingham, AL 35294 USA
| | - Aparna Mitra
- />Mitchell Cancer Institute, University of South Alabama, Mobile, AL USA
| | - Sarah K Bailey
- />Department of Pathology, University of Alabama at Birmingham, WTI-320E, 1824 6th avenue South, Birmingham, AL 35294 USA
| | - Sejong Bae
- />BBSF-Comprehensive Cancer Center, University of Alabama at Birmingham, Birmingham, AL USA
- />Comprehensive Cancer Center, University of Alabama at Birmingham, Birmingham, AL USA
| | - Karan P Singh
- />BBSF-Comprehensive Cancer Center, University of Alabama at Birmingham, Birmingham, AL USA
- />Comprehensive Cancer Center, University of Alabama at Birmingham, Birmingham, AL USA
| | - Daniel J Devine
- />Mitchell Cancer Institute, University of South Alabama, Mobile, AL USA
| | - Donna L Dyess
- />Department of Surgery, University of South Alabama, Mobile, AL USA
| | | | - J Allan Tucker
- />Department of Pathology, University of South Alabama, Mobile, AL USA
| | - Lalita A Shevde
- />Department of Pathology, University of Alabama at Birmingham, WTI-320E, 1824 6th avenue South, Birmingham, AL 35294 USA
- />Comprehensive Cancer Center, University of Alabama at Birmingham, Birmingham, AL USA
| | - Rajeev S Samant
- />Department of Pathology, University of Alabama at Birmingham, WTI-320E, 1824 6th avenue South, Birmingham, AL 35294 USA
- />Comprehensive Cancer Center, University of Alabama at Birmingham, Birmingham, AL USA
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25
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Affiliation(s)
- Rajeev S Samant
- Department of Pathology and Comprehensive Cancer Center, University of Alabama at Birmingham, Alabama
| | - Lalita A Shevde
- Department of Pathology and Comprehensive Cancer Center, University of Alabama at Birmingham, Alabama
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