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Neuhaus F, Lieber S, Shinkevich V, Steitz AM, Raifer H, Roth K, Finkernagel F, Worzfeld T, Burchert A, Keber C, Nist A, Stiewe T, Reinartz S, Beutgen VM, Graumann J, Pauck K, Garn H, Gaida M, Müller R, Huber M. Reciprocal crosstalk between Th17 and mesothelial cells promotes metastasis-associated adhesion of ovarian cancer cells. Clin Transl Med 2024; 14:e1604. [PMID: 38566518 PMCID: PMC10988119 DOI: 10.1002/ctm2.1604] [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: 11/10/2023] [Revised: 02/07/2024] [Accepted: 02/15/2024] [Indexed: 04/04/2024] Open
Abstract
BACKGROUND IL-17A and TNF synergistically promote inflammation and tumorigenesis. Their interplay and impact on ovarian carcinoma (OC) progression are, however, poorly understood. We addressed this question focusing on mesothelial cells, whose interaction with tumor cells is known to play a pivotal role in transcoelomic metastasis formation. METHODS Flow-cytometry and immunohistochemistry experiments were employed to identify cellular sources of IL-17A and TNF. Changes in transcriptomes and secretomes were determined by bulk and single cell RNA sequencing as well as affinity proteomics. Functional consequences were investigated by microscopic analyses and tumor cell adhesion assays. Potential clinical implications were assessed by immunohistochemistry and survival analyses. RESULTS We identified Th17 cells as the main population of IL-17A- and TNF producers in ascites and detected their accumulation in early omental metastases. Both IL-17A and its receptor subunit IL-17RC were associated with short survival of OC patients, pointing to a role in clinical progression. IL-17A and TNF synergistically induced the reprogramming of mesothelial cells towards a pro-inflammatory mesenchymal phenotype, concomitantly with a loss of tight junctions and an impairment of mesothelial monolayer integrity, thereby promoting cancer cell adhesion. IL-17A and TNF synergistically induced the Th17-promoting cytokines IL-6 and IL-1β as well as the Th17-attracting chemokine CCL20 in mesothelial cells, indicating a reciprocal crosstalk that potentiates the tumor-promoting role of Th17 cells in OC. CONCLUSIONS Our findings reveal a novel function for Th17 cells in the OC microenvironment, which entails the IL-17A/TNF-mediated induction of mesothelial-mesenchymal transition, disruption of mesothelial layer integrity and consequently promotion of OC cell adhesion. These effects are potentiated by a positive feedback loop between mesothelial and Th17 cells. Together with the observed clinical associations and accumulation of Th17 cells in omental micrometastases, our observations point to a potential role in early metastases formation and thus to new therapeutic options.
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Affiliation(s)
- Felix Neuhaus
- Institute of Systems ImmunologyCenter for Tumor Biology and Immunology (ZTI)Philipps UniversityMarburgGermany
- Department of Translational OncologyCenter for Tumor Biology and Immunology (ZTI)Philipps UniversityMarburgGermany
| | - Sonja Lieber
- Institute of Systems ImmunologyCenter for Tumor Biology and Immunology (ZTI)Philipps UniversityMarburgGermany
| | | | - Anna Mary Steitz
- Department of Translational OncologyCenter for Tumor Biology and Immunology (ZTI)Philipps UniversityMarburgGermany
| | - Hartmann Raifer
- Institute of Systems ImmunologyCenter for Tumor Biology and Immunology (ZTI)Philipps UniversityMarburgGermany
- FACS Core FacilityCenter for Tumor Biology and Immunology (ZTI)Philipps UniversityMarburgGermany
| | - Kathrin Roth
- Cell Imaging Core Facility, Center for Tumor Biology and Immunology (ZTI)Philipps UniversityMarburgGermany
| | - Florian Finkernagel
- Bioinformatics Core Facility, Center for Tumor Biology and Immunology (ZTI)Philipps UniversityMarburgGermany
| | - Thomas Worzfeld
- Institute of PharmacologyPhilipps UniversityMarburgGermany
- Department of PharmacologyMax Planck Institute for Heart and Lung ResearchBad NauheimGermany
| | - Andreas Burchert
- Department of HematologyOncology and ImmunologyUniversity Hospital Giessen and MarburgMarburgGermany
| | - Corinna Keber
- Comprehensive Biomaterial Bank Marburg (CBBMR) and Institute of PathologyPhilipps UniversityMarburgGermany
| | - Andrea Nist
- Genomics Core FacilityInstitute of Molecular OncologyMember of the German Center for Lung Research (DZL)Philipps UniversityMarburgGermany
| | - Thorsten Stiewe
- Genomics Core FacilityInstitute of Molecular OncologyMember of the German Center for Lung Research (DZL)Philipps UniversityMarburgGermany
| | - Silke Reinartz
- Department of Translational OncologyCenter for Tumor Biology and Immunology (ZTI)Philipps UniversityMarburgGermany
| | - Vanessa M. Beutgen
- Institute of Translational Proteomics and Translational Proteomics Core FacilityBiochemical Pharmacological CentrePhilipps UniversityMarburgGermany
| | - Johannes Graumann
- Institute of Translational Proteomics and Translational Proteomics Core FacilityBiochemical Pharmacological CentrePhilipps UniversityMarburgGermany
| | - Kim Pauck
- Translational Inflammation Research Division and Core Facility for Single Cell MultiomicsPhilipps UniversityMarburgGermany
| | - Holger Garn
- Translational Inflammation Research Division and Core Facility for Single Cell MultiomicsPhilipps UniversityMarburgGermany
| | - Matthias Gaida
- Institute of PathologyUniversity Medical Center Mainz, Johannes Gutenberg UniversityMainzGermany
- TRON, Translational Oncology at the University Medical CenterJohannes Gutenberg UniversityMainzGermany
- Research Center for ImmunotherapyUniversity Medical Center Mainz, Johannes Gutenberg UniversityMainzGermany
| | - Rolf Müller
- Department of Translational OncologyCenter for Tumor Biology and Immunology (ZTI)Philipps UniversityMarburgGermany
| | - Magdalena Huber
- Institute of Systems ImmunologyCenter for Tumor Biology and Immunology (ZTI)Philipps UniversityMarburgGermany
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Ko EJ, Kim DY, Kim MH, An H, Kim J, Jeong JY, Song KS, Cha HJ. Functional Analysis of Membrane-Associated Scaffolding Tight Junction (TJ) Proteins in Tumorigenic Characteristics of B16-F10 Mouse Melanoma Cells. Int J Mol Sci 2024; 25:833. [PMID: 38255907 PMCID: PMC10815660 DOI: 10.3390/ijms25020833] [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: 11/20/2023] [Revised: 12/27/2023] [Accepted: 01/05/2024] [Indexed: 01/24/2024] Open
Abstract
Tight junction (TJ) proteins (Tjps), Tjp1 and Tjp2, are tight junction-associated scaffold proteins that bind to the transmembrane proteins of tight junctions and the underlying cytoskeleton. In this study, we first analyzed the tumorigenic characteristics of B16-F10 melanoma cells, including cell proliferation, migration, invasion, metastatic potential, and the expression patterns of related proteins, after the CRISPR-Cas9-mediated knockout (KO) of Tjp genes. The proliferation of Tjp1 and Tjp2 KO cells significantly increased in vitro. Other tumorigenic characteristics, including migration and invasion, were significantly enhanced in Tjp1 and Tjp2 KO cells. Zonula occludens (ZO)-associated protein Claudin-1 (CLDN-1), which is a major component of tight junctions and functions in controlling cell-to-cell adhesion, was decreased in Tjp KO cells. Additionally, Tjp KO significantly stimulated tumor growth and metastasis in an in vivo mouse model. We performed a transcriptome analysis using next-generation sequencing (NGS) to elucidate the key genes involved in the mechanisms of action of Tjp1 and Tjp2. Among the various genes affected by Tjp KO-, cell cycle-, cell migration-, angiogenesis-, and cell-cell adhesion-related genes were significantly altered. In particular, we found that the Ninjurin-1 (Ninj1) and Catenin alpha-1 (Ctnna1) genes, which are known to play fundamental roles in Tjps, were significantly downregulated in Tjp KO cells. In summary, tumorigenic characteristics, including cell proliferation, migration, invasion, tumor growth, and metastatic potential, were significantly increased in Tjp1 and Tjp2 KO cells, and the knockout of Tjp genes significantly affected the expression of related proteins.
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Affiliation(s)
- Eun-Ji Ko
- Departments of Parasitology and Genetics, Kosin University College of Medicine, Busan 49241, Republic of Korea or (E.-J.K.); (D.-Y.K.); (M.-H.K.); (H.A.)
- Institute for Cancer Genetics, Columbia University Irving Medical Center, New York, NY 10032, USA
| | - Do-Ye Kim
- Departments of Parasitology and Genetics, Kosin University College of Medicine, Busan 49241, Republic of Korea or (E.-J.K.); (D.-Y.K.); (M.-H.K.); (H.A.)
| | - Min-Hye Kim
- Departments of Parasitology and Genetics, Kosin University College of Medicine, Busan 49241, Republic of Korea or (E.-J.K.); (D.-Y.K.); (M.-H.K.); (H.A.)
- Department of Biomedical Sciences, Dong-A University, Busan 49315, Republic of Korea
| | - Hyojin An
- Departments of Parasitology and Genetics, Kosin University College of Medicine, Busan 49241, Republic of Korea or (E.-J.K.); (D.-Y.K.); (M.-H.K.); (H.A.)
| | - Jeongtae Kim
- Department of Anatomy, Kosin University College of Medicine, Busan 49241, Republic of Korea;
- Institute for Medical Science, Kosin University College of Medicine, Busan 49241, Republic of Korea; (J.-Y.J.); (K.S.S.)
| | - Jee-Yeong Jeong
- Institute for Medical Science, Kosin University College of Medicine, Busan 49241, Republic of Korea; (J.-Y.J.); (K.S.S.)
- Department of Biochemistry, Kosin University College of Medicine, Busan 49241, Republic of Korea
| | - Kyoung Seob Song
- Institute for Medical Science, Kosin University College of Medicine, Busan 49241, Republic of Korea; (J.-Y.J.); (K.S.S.)
- Departments of Medical Life Science, Kosin University College of Medicine, Busan 49241, Republic of Korea
| | - Hee-Jae Cha
- Departments of Parasitology and Genetics, Kosin University College of Medicine, Busan 49241, Republic of Korea or (E.-J.K.); (D.-Y.K.); (M.-H.K.); (H.A.)
- Institute for Medical Science, Kosin University College of Medicine, Busan 49241, Republic of Korea; (J.-Y.J.); (K.S.S.)
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3
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Lykoudi A, Ferragut Cardoso AP, Wise SS, Banerjee M, States JC. Clonal variability in chromosomal instability as a potential driver in the acquisition of tumorigenic phenotype in chronic arsenic-exposed and hsa-miR-186 overexpressing human keratinocytes. Toxicol Appl Pharmacol 2023; 479:116730. [PMID: 37866707 PMCID: PMC10866375 DOI: 10.1016/j.taap.2023.116730] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Revised: 10/12/2023] [Accepted: 10/17/2023] [Indexed: 10/24/2023]
Abstract
Chronic arsenic exposure through drinking water is a global health issue, affecting >200 million people. Arsenic is a group I human carcinogen and causes chromosomal instability (CIN). Arsenic exposure is the second most common cause of skin cancer after UV radiation. hsa-miR-186 is overexpressed in arsenic-induced squamous cell carcinoma relative to premalignant hyperkeratosis. Among predicted targets of hsa-miR-186 are cell cycle regulators including regulators of mitotic progression. Disruption of mitotic progression can contribute to CIN. Thus, we hypothesized that hsa-miR-186 overexpression contributes to malignant transformation of arsenic exposed HaCaT cells by induction of CIN. Stable clones of HaCaT cells transfected with pEP-hsa-miR-186 expression vector or empty vector were maintained under puromycin selection and exposed to 0 or 100 nM NaAsO2 and cultured for 29 weeks. HaCaT clones overexpressing hsa-miR-186 and exposed to NaAsO2 showed increased CIN and anchorage independent growth at 29 weeks in a stochastic manner, in contrast to unexposed empty vector transfected clones. These results suggest that clonal variability mediates arsenic-induced carcinogenesis in hsa-miR-186 overexpressing human keratinocytes.
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Affiliation(s)
- Angeliki Lykoudi
- Department of Pharmacology and Toxicology, University of Louisville, Louisville, KY 40202, USA
| | - Ana P Ferragut Cardoso
- Department of Pharmacology and Toxicology, University of Louisville, Louisville, KY 40202, USA
| | - Sandra S Wise
- Department of Pharmacology and Toxicology, University of Louisville, Louisville, KY 40202, USA; Center for Integrated Environmental Health Sciences, University of Louisville, Louisville, KY 40202, USA
| | - Mayukh Banerjee
- Department of Pharmacology and Toxicology, University of Louisville, Louisville, KY 40202, USA; Center for Integrated Environmental Health Sciences, University of Louisville, Louisville, KY 40202, USA
| | - J Christopher States
- Department of Pharmacology and Toxicology, University of Louisville, Louisville, KY 40202, USA; Center for Integrated Environmental Health Sciences, University of Louisville, Louisville, KY 40202, USA.
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Wang Z, Li N, Cai P, Zhang C, Cao G, Yin J. Mechanism of HBx carcinogenesis interaction with non-coding RNA in hepatocellular carcinoma. Front Oncol 2023; 13:1249198. [PMID: 37746253 PMCID: PMC10517716 DOI: 10.3389/fonc.2023.1249198] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Accepted: 08/24/2023] [Indexed: 09/26/2023] Open
Abstract
Hepatocellular carcinoma (HCC) is an extremely malignant tumor that affects individuals throughout the world. One of the main causes of HCC is hepatitis B virus (HBV). Therefore, it is crucial to understand the mechanisms underlying HBV carcinogenesis. Increasing evidence suggests that the HBV X protein (HBx), which is encoded by HBV, plays a significant role in cell apoptosis, DNA damage repair, and cell cycle regulation. This ultimately leads to the development of HCC. Additionally, recent studies have shown that non-coding RNA (ncRNA) also contributes to the carcinogenesis and pathogenesis of different of tumors. ncRNA plays a significant role in the formation of HCC by regulating the inflammatory signaling pathway, activating immune cells, and modifying epigenetics. However, it remains unclear whether ncRNA is involved in the regulation of the carcinogenic mechanisms of HBx. This article reviews the carcinogenic mechanism of HBx and its interaction with ncRNA, providing a novel strategy for the clinical diagnosis and treatment of HCC.
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Affiliation(s)
- Zhuoran Wang
- Department of Hepatic Surgery I (Ward I), Shanghai Eastern Hepatobiliary Surgery Hospital, Navy Medical University, Shanghai, China
| | - Nan Li
- Department of Hepatic Surgery I (Ward I), Shanghai Eastern Hepatobiliary Surgery Hospital, Navy Medical University, Shanghai, China
| | - Peng Cai
- Department of Epidemiology, Faculty of Navy Medicine, Navy Medical University, Shanghai, China
| | - Cunzhen Zhang
- Department of Hepatic Surgery I (Ward I), Shanghai Eastern Hepatobiliary Surgery Hospital, Navy Medical University, Shanghai, China
| | - Guangwen Cao
- Department of Epidemiology, Faculty of Navy Medicine, Navy Medical University, Shanghai, China
| | - Jianhua Yin
- Department of Epidemiology, Faculty of Navy Medicine, Navy Medical University, Shanghai, China
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5
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Wu Z, Thierry K, Bachy S, Zhang X, Gamradt P, Hernandez-Vargas H, Mikaelian I, Tonon L, Pommier R, Zhao Y, Bertolino P, Hennino A. Pericyte stem cells induce Ly6G + cell accumulation and immunotherapy resistance in pancreatic cancer. EMBO Rep 2023; 24:e56524. [PMID: 36802267 PMCID: PMC10074138 DOI: 10.15252/embr.202256524] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Revised: 01/23/2023] [Accepted: 02/01/2023] [Indexed: 02/23/2023] Open
Abstract
We report the identification of a cell population that shares pericyte, stromal and stemness features, does not harbor the KrasG12D mutation and drives tumoral growth in vitro and in vivo. We term these cells pericyte stem cells (PeSCs) and define them as CD45- EPCAM- CD29+ CD106+ CD24+ CD44+ cells. We perform studies with p48-Cre;KrasG12D (KC), pdx1-Cre;KrasG12D ;Ink4a/Arffl/fl (KIC) and pdx1-Cre;KrasG12D ;p53R172H (KPC) and tumor tissues from PDAC and chronic pancreatitis patients. We also perform single-cell RNAseq analysis and reveal a unique signature of PeSC. Under steady-state conditions, PeSCs are barely detectable in the pancreas but present in the neoplastic microenvironment both in humans and mice. The coinjection of PeSCs and tumor epithelial cells leads to increased tumor growth, differentiation of Ly6G+ myeloid-derived suppressor cells, and a decreased amount of F4/80+ macrophages and CD11c+ dendritic cells. This population induces resistance to anti-PD-1 immunotherapy when coinjected with epithelial tumor cells. Our data reveal the existence of a cell population that instructs immunosuppressive myeloid cell responses to bypass PD-1 targeting and thus suggest potential new approaches for overcoming resistance to immunotherapy in clinical settings.
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Affiliation(s)
- Zhichong Wu
- Cancer Research Center of Lyon, UMR INSERM 1052, CNRS 5286, Lyon, France.,Université Lyon 1, Lyon, France.,Centre Léon Bérard, Lyon, France.,Department of General Surgery, Pancreatic Disease Center, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Kevin Thierry
- Cancer Research Center of Lyon, UMR INSERM 1052, CNRS 5286, Lyon, France.,Université Lyon 1, Lyon, France.,Centre Léon Bérard, Lyon, France
| | - Sophie Bachy
- Cancer Research Center of Lyon, UMR INSERM 1052, CNRS 5286, Lyon, France.,Université Lyon 1, Lyon, France.,Centre Léon Bérard, Lyon, France
| | - Xinyi Zhang
- Cancer Research Center of Lyon, UMR INSERM 1052, CNRS 5286, Lyon, France.,Université Lyon 1, Lyon, France.,Centre Léon Bérard, Lyon, France
| | - Pia Gamradt
- Cancer Research Center of Lyon, UMR INSERM 1052, CNRS 5286, Lyon, France.,Université Lyon 1, Lyon, France.,Centre Léon Bérard, Lyon, France
| | - Hector Hernandez-Vargas
- Cancer Research Center of Lyon, UMR INSERM 1052, CNRS 5286, Lyon, France.,Université Lyon 1, Lyon, France.,Centre Léon Bérard, Lyon, France
| | - Ivan Mikaelian
- Cancer Research Center of Lyon, UMR INSERM 1052, CNRS 5286, Lyon, France.,Université Lyon 1, Lyon, France.,Centre Léon Bérard, Lyon, France
| | - Laurie Tonon
- Cancer Research Center of Lyon, UMR INSERM 1052, CNRS 5286, Lyon, France.,Université Lyon 1, Lyon, France.,Centre Léon Bérard, Lyon, France
| | - Roxanne Pommier
- Cancer Research Center of Lyon, UMR INSERM 1052, CNRS 5286, Lyon, France.,Université Lyon 1, Lyon, France.,Centre Léon Bérard, Lyon, France
| | - Yajie Zhao
- Cancer Research Center of Lyon, UMR INSERM 1052, CNRS 5286, Lyon, France.,Université Lyon 1, Lyon, France.,Centre Léon Bérard, Lyon, France.,Department of Geriatrics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Philippe Bertolino
- Cancer Research Center of Lyon, UMR INSERM 1052, CNRS 5286, Lyon, France.,Université Lyon 1, Lyon, France.,Centre Léon Bérard, Lyon, France
| | - Ana Hennino
- Cancer Research Center of Lyon, UMR INSERM 1052, CNRS 5286, Lyon, France.,Université Lyon 1, Lyon, France.,Centre Léon Bérard, Lyon, France
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Anti-Vimentin Nanobody Decreases Glioblastoma Cell Invasion In Vitro and In Vivo. Cancers (Basel) 2023; 15:cancers15030573. [PMID: 36765531 PMCID: PMC9913279 DOI: 10.3390/cancers15030573] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Revised: 01/06/2023] [Accepted: 01/12/2023] [Indexed: 01/20/2023] Open
Abstract
PURPOSE Glioblastoma (GBM) is the most common primary brain tumour and one of the deadliest cancers. In addition to late diagnosis and inadequate treatment, the extremely low survival rate is also due to the lack of appropriate therapeutic biomarkers and corresponding therapeutic agents. One of the potential therapeutic biomarkers is the intermediate filament vimentin, which is associated with epithelial-mesenchymal transition (EMT). The purpose of this study was to analyse the effect of the anti-vimentin nanobody Nb79 on cell invasion in vitro and in vivo. To further our understanding of the mechanism of action, we investigated the association between Nb79 and EMT in GBM and GBM stem cells by analysing the expression levels of key EMT-related proteins. METHODS The expression of vimentin in glioma tissues and cells was determined by RT-qPCR. An invasion assay was performed on differentiated glioblastoma cell line U-87 MG and stem cell line NCH421k in vitro as well as in vivo in zebrafish embryos. The effect of Nb79 on expression of EMT biomarkers beta-catenin, vimentin, ZEB-1 and ZO1 was determined by Western blot and immunocytochemistry. RESULTS Our study shows that vimentin is upregulated in glioblastoma tissue compared to lower grade glioma and non-tumour brain tissue. We demonstrated that treatment with Nb79 reduced glioblastoma cell invasion by up to 64% in vitro and up to 21% in vivo. In addition, we found that the tight junction protein ZO-1 had higher expression on the cell membrane, when treated with inhibitory anti-vimentin Nb79 compared to control. CONCLUSION In conclusion, our results suggest that anti-vimentin nanobody Nb79 is a promising tool to target glioblastoma cell invasion.
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Lee CW, Kuo CC, Liang CJ, Pan HJ, Shen CN, Lee CH. Effects of the media conditioned by various macrophage subtypes derived from THP-1 cells on tunneling nanotube formation in pancreatic cancer cells. BMC Mol Cell Biol 2022; 23:26. [PMID: 35794526 PMCID: PMC9258106 DOI: 10.1186/s12860-022-00428-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Accepted: 06/30/2022] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
Tunneling nanotubes (TNTs) are special membrane structures for intercellular communications. Vital cargoes (such as mitochondria) could be delivered from healthy cells to rescue damaged ones through TNTs. The TNTs could be utilized for the purpose of systematic delivery of therapeutic agents between cells. However, there are insufficient studies on the controlled enhancement of TNT formations. The purpose of this study is to understand how macrophages influence the TNT formation in cancer cells.
Results
Here we compared the capabilities of inducing TNTs in human pancreatic cancer cells (PANC-1) of the media conditioned by M0, M1 and M2 macrophages derived from THP-1 cells. The M0 and M1 macrophage conditioned media promoted TNT formation. Using a focused ion beam to cut through a TNT, we observed tunnel-like structures inside dense cytoskeletons with scanning electron microscopy. The TNT formation correlated with raised motility, invasion, and epithelial–mesenchymal transition in the PANC-1 cells. Mitochondria and lysosomes were also found to be transported in the TNTs.
Conclusions
These results suggest that TNT formation could be one of the responses to the immune stress in pancreatic cancer cells caused by M0 and M1 macrophages. This finding is valuable for the development of macrophage-targeting cancer therapy.
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Saliem SS, Bede SY, Cooper PR, Abdulkareem AA, Milward MR, Abdullah BH. Pathogenesis of periodontitis - A potential role for epithelial-mesenchymal transition. JAPANESE DENTAL SCIENCE REVIEW 2022; 58:268-278. [PMID: 36159185 PMCID: PMC9489739 DOI: 10.1016/j.jdsr.2022.09.001] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Revised: 08/11/2022] [Accepted: 09/05/2022] [Indexed: 02/06/2023] Open
Abstract
Epithelial mesenchymal transition (EMT) is a process comprising cellular and molecular events which result in cells shifting from an epithelial to a mesenchymal phenotype. Periodontitis is a destructive chronic disease of the periodontium initiated in response to a dysbiotic microbiome, and dominated by Gram-negative bacteria in the subgingival niches accompanied by an aberrant immune response in susceptible subjects. Both EMT and periodontitis share common risk factors and drivers, including Gram-negative bacteria, excess inflammatory cytokine production, smoking, oxidative stress and diabetes mellitus. In addition, periodontitis is characterized by down-regulation of key epithelial markers such as E-cadherin together with up-regulation of transcriptional factors and mesenchymal proteins, including Snail1, vimentin and N-cadherin, which also occur in the EMT program. Clinically, these phenotypic changes may be reflected by increases in microulceration of the pocket epithelial lining, granulation tissue formation, and fibrosis. Both in vitro and in vivo data now support the potential involvement of EMT as a pathogenic mechanism in periodontal diseases which may facilitate bacterial invasion into the underlying gingival tissues and propagation of inflammation. This review surveys the available literature and provides evidence linking EMT to periodontitis pathogenesis.
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Affiliation(s)
- Saif S Saliem
- College of Dentistry, University of Baghdad, P.O. Box 1417, Bab Al Mudam, Baghdad, Iraq
| | - Salwan Y Bede
- College of Dentistry, University of Baghdad, P.O. Box 1417, Bab Al Mudam, Baghdad, Iraq
| | - Paul R Cooper
- Faculty of Dentistry, Sir John Walsh Research Institute, University of Otago, P.O. Box 56, Dunedin 9054, New Zealand
| | - Ali A Abdulkareem
- College of Dentistry, University of Baghdad, P.O. Box 1417, Bab Al Mudam, Baghdad, Iraq
| | - Michael R Milward
- ŌSchool of Dentistry, University of Birmingham, 5 Mill Pool Way, B5 7EG Birmingham, UK
| | - Bashar H Abdullah
- College of Dentistry, University of Baghdad, P.O. Box 1417, Bab Al Mudam, Baghdad, Iraq
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Transcriptome Analysis of the Anti-Proliferative Effects of Ginsenoside Rh3 on HCT116 Colorectal Cancer Cells. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27155002. [PMID: 35956952 PMCID: PMC9370307 DOI: 10.3390/molecules27155002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 07/27/2022] [Accepted: 08/03/2022] [Indexed: 11/16/2022]
Abstract
The mechanism of ginsenoside Rh3 activity against cancer remains unclear. This study aimed to investigate the underlying mechanism. The effects of Rh3 on the cell proliferation, migration and invasion, and cycle and apoptosis were analyzed using CCK-8 assay, transwell migration assay and flow cytometry, respectively. The RNA transcriptome was sequenced and data were analyzed by R software. Protein expression and protein-protein interactions were determined by Western blotting and co-immunoprecipitation, respectively. The results showed Rh3 inhibited HCT116 cell proliferation, invasion, and migration, arrested cells at G1 phase; and increased apoptosis. Rh3 downregulated 314 genes and upregulated 371 genes. Gene Set Enrichment Analysis (GSEA) using The Kyoto Encyclopedia of Genes Genomics ranked DNA replication first, while GSEA using Gene Ontology ranked the initiation of DNA replication first. Compared with tumor data from The Cancer Genome Atlas (TCGA), most of genes related to DNA replication were oppositely regulated by Rh3. Furthermore, Rh3 down-regulated key protein expression related to DNA replication (Orc6, Cdt1, and Mcm2), but did not affect the loading of Mcm complexes onto ORC complexes nor the phosphorylation at ser139 of Mcm2. Therefore, Rh3 may inhibit colorectal cancer HCT116 cells by downregulation of genes related to DNA replication.
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Synthesis and evaluation of novel HER-2 inhibitors to exert anti-breast cancer ability through epithelial-mesenchymal transition (EMT) pathway. Eur J Med Chem 2022; 237:114325. [DOI: 10.1016/j.ejmech.2022.114325] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Revised: 03/25/2022] [Accepted: 03/25/2022] [Indexed: 12/24/2022]
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11
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Lee YC, Tsai KW, Liao JB, Kuo WT, Chang YC, Yang YF. High expression of tight junction protein 1 as a predictive biomarker for bladder cancer grade and staging. Sci Rep 2022; 12:1496. [PMID: 35087173 PMCID: PMC8795112 DOI: 10.1038/s41598-022-05631-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Accepted: 01/10/2022] [Indexed: 12/24/2022] Open
Abstract
Tight junction proteins 1-3 (TJP1-3) are components of tight junctions that can link transmembrane proteins to the actin cytoskeleton, and their incidence directly correlates to metastasis. However, the role of the TJP family in bladder cancer has not been adequately evaluated. In this study, we evaluated the genetic changes, mRNA and protein expressions of the target genes of the TJP family in bladder cancer patients using online database and immunohistochemistry, respectively. We found that TJP1 was amplified in bladder cancer tissue and that the protein expression levels were significantly associated with age (p = 0.03), grade (p = 0.007), and stage (p = 0.011). We also examined the correlation between TJP1 and other high-frequency mutation genes using TIMER. TJP1 mRNA levels were positively correlated with TTN and RYR3 mRNA levels in bladder cancer tissue. Taken together, TJP1 expression is associated with poor clinical outcomes in patients with bladder cancer and can be a useful predictive biomarker for bladder cancer staging.
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Affiliation(s)
- Yi-Chen Lee
- Department of Anatomy, School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.,Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
| | - Kuo-Wang Tsai
- Department of Research, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, New Taipei City, Taiwan
| | - Jia-Bin Liao
- Department of Pathology and Laboratory Medicine, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
| | - Wei-Ting Kuo
- Division of Urology, Department of Surgery, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan.,School of Medicine, National Yang-Ming University, Taipei, Taiwan
| | - Yu-Chan Chang
- Department of Biomedical Imaging and Radiological Sciences, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Yi-Fang Yang
- Department of Medical Education and Research, Kaohsiung Veterans General Hospital, No. 386, Dajhong 1st Rd., Zuoying Dist., Kaohsiung, 81362, Taiwan.
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12
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Neyrinck-Leglantier D, Lesage J, Blacher S, Bonnomet A, Hunziker W, Noël A, Dormoy V, Nawrocki-Raby B, Gilles C, Polette M. ZO-1 Intracellular Localization Organizes Immune Response in Non-Small Cell Lung Cancer. Front Cell Dev Biol 2021; 9:749364. [PMID: 34938731 PMCID: PMC8685499 DOI: 10.3389/fcell.2021.749364] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Accepted: 11/04/2021] [Indexed: 12/12/2022] Open
Abstract
Delocalization of zonula occludens-1 (ZO-1) from tight junctions plays a substantial role in epithelial cell plasticity observed during tumor progression. In vitro, we reported an impact of ZO-1 cyto-nuclear content in modulating the secretion of several pro-inflammatory chemokines. In vivo, we demonstrated that it promotes the recruitment of immune cells in mouse ear sponge assays. Examining lung cancers, we showed that a high density of CD8 cytotoxic T cells and Foxp3 immunosuppressive regulatory T cells in the tumor microenvironment correlated with a cyto-nuclear expression of ZO-1. Taken together, our results support that, by affecting tumor cell secretome, the cyto-nuclear ZO-1 pool may recruit immune cells, which could be permissive for tumor progression.
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Affiliation(s)
| | - Julien Lesage
- University of Reims Champagne-Ardenne, Inserm UMR-S 1250, SFR CAP-Santé, Reims, France
- Department of Internal Medicine-Medical Oncology, Washington University, St. Louis, MO, United States
| | - Silvia Blacher
- Laboratory of Tumor and Development Biology, GIGA-Cancer, University of Liège, Liège, Belgium
| | - Arnaud Bonnomet
- University of Reims Champagne-Ardenne, Inserm UMR-S 1250, SFR CAP-Santé, Reims, France
- Cellular and Tissue Imaging Platform, University of Reims Champagne-Ardenne, Reims, France
| | - Walter Hunziker
- Epithelial Cell Biology Laboratory, Institute of Molecular and Cell Biology, Singapore, Singapore
- Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Agnès Noël
- Laboratory of Tumor and Development Biology, GIGA-Cancer, University of Liège, Liège, Belgium
| | - Valérian Dormoy
- University of Reims Champagne-Ardenne, Inserm UMR-S 1250, SFR CAP-Santé, Reims, France
| | | | - Christine Gilles
- Laboratory of Tumor and Development Biology, GIGA-Cancer, University of Liège, Liège, Belgium
| | - Myriam Polette
- University of Reims Champagne-Ardenne, Inserm UMR-S 1250, SFR CAP-Santé, Reims, France
- Laboratory of Pathology, CHU of Reims, Reims, France
- *Correspondence: Myriam Polette,
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13
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Particulate Matter (PM 10) Promotes Cell Invasion through Epithelial-Mesenchymal Transition (EMT) by TGF-β Activation in A549 Lung Cells. Int J Mol Sci 2021; 22:ijms222312632. [PMID: 34884446 PMCID: PMC8657922 DOI: 10.3390/ijms222312632] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Revised: 11/17/2021] [Accepted: 11/19/2021] [Indexed: 01/17/2023] Open
Abstract
Air pollution presents a major environmental problem, inducing harmful effects on human health. Particulate matter of 10 μm or less in diameter (PM10) is considered an important risk factor in lung carcinogenesis. Epithelial-mesenchymal transition (EMT) is a regulatory program capable of inducing invasion and metastasis in cancer. In this study, we demonstrated that PM10 treatment induced phosphorylation of SMAD2/3 and upregulation of SMAD4. We also reported that PM10 increased the expression and protein levels of TGFB1 (TGF-β), as well as EMT markers SNAI1 (Snail), SNAI2 (Slug), ZEB1 (ZEB1), CDH2 (N-cadherin), ACTA2 (α-SMA), and VIM (vimentin) in the lung A549 cell line. Cell exposed to PM10 also showed a decrease in the expression of CDH1 (E-cadherin). We also demonstrated that expression levels of these EMT markers were reduced when cells are transfected with small interfering RNAs (siRNAs) against TGFB1. Interestingly, phosphorylation of SMAD2/3 and upregulation of SMAD induced by PM10 were not affected by transfection of TGFB1 siRNAs. Finally, cells treated with PM10 exhibited an increase in the capacity of invasiveness because of EMT induction. Our results provide new evidence regarding the effect of PM10 in EMT and the acquisition of an invasive phenotype, a hallmark necessary for lung cancer progression.
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14
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Papanikolaou S, Vourda A, Syggelos S, Gyftopoulos K. Cell Plasticity and Prostate Cancer: The Role of Epithelial-Mesenchymal Transition in Tumor Progression, Invasion, Metastasis and Cancer Therapy Resistance. Cancers (Basel) 2021; 13:cancers13112795. [PMID: 34199763 PMCID: PMC8199975 DOI: 10.3390/cancers13112795] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2021] [Revised: 05/28/2021] [Accepted: 06/01/2021] [Indexed: 12/23/2022] Open
Abstract
Simple Summary Although epithelial-to-mesenchymal transition (EMT) is a well-known cellular process involved during normal embryogenesis and wound healing, it also has a dark side; it is a complex process that provides tumor cells with a more aggressive phenotype, facilitating tumor metastasis and even resistance to therapy. This review focuses on the key pathways of EMT in the pathogenesis of prostate cancer and the development of metastases and evasion of currently available treatments. Abstract Prostate cancer, the second most common malignancy in men, is characterized by high heterogeneity that poses several therapeutic challenges. Epithelial–mesenchymal transition (EMT) is a dynamic, reversible cellular process which is essential in normal embryonic morphogenesis and wound healing. However, the cellular changes that are induced by EMT suggest that it may also play a central role in tumor progression, invasion, metastasis, and resistance to current therapeutic options. These changes include enhanced motility and loss of cell–cell adhesion that form a more aggressive cellular phenotype. Moreover, the reverse process (MET) is a necessary element of the metastatic tumor process. It is highly probable that this cell plasticity reflects a hybrid state between epithelial and mesenchymal status. In this review, we describe the underlying key mechanisms of the EMT-induced phenotype modulation that contribute to prostate tumor aggressiveness and cancer therapy resistance, in an effort to provide a framework of this complex cellular process.
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15
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Plotnikov A, Kozer N, Cohen G, Carvalho S, Duberstein S, Almog O, Solmesky LJ, Shurrush KA, Babaev I, Benjamin S, Gilad S, Kupervaser M, Levin Y, Gershovits M, Ben-Avraham D, Barr HM. PRMT1 inhibition induces differentiation of colon cancer cells. Sci Rep 2020; 10:20030. [PMID: 33208761 PMCID: PMC7676271 DOI: 10.1038/s41598-020-77028-8] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Accepted: 11/04/2020] [Indexed: 12/24/2022] Open
Abstract
Differentiation therapy has been recently revisited as a prospective approach in cancer therapy by targeting the aberrant growth, and repairing the differentiation and cell death programs of cancer cells. However, differentiation therapy of solid tumors is a challenging issue and progress in this field is limited. We performed High Throughput Screening (HTS) using a novel dual multiplex assay to discover compounds, which induce differentiation of human colon cancer cells. Here we show that the protein arginine methyl transferase (PRMT) type 1 inhibitor, MS023, is a potent inducer of colon cancer cell differentiation with a large therapeutic window. Differentiation changes in the highly aggressive human colon cancer cell line (HT-29) were proved by proteomic and genomic approaches. Growth of HT-29 xenograft in nude mice was significantly delayed upon MS023 treatment and immunohistochemistry of tumor indicated differentiation changes. These findings may lead to development of clinically effective anti-cancer drugs based on the mechanism of cancer cell differentiation.
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Affiliation(s)
- Alexander Plotnikov
- Wohl Institute for Drug Discovery, High Throughput Screening Unit, Grand Israel National Center for Personalized Medicine, Weizmann Institute of Science, Rehovot, Israel.
| | - Noga Kozer
- Wohl Institute for Drug Discovery, High Throughput Screening Unit, Grand Israel National Center for Personalized Medicine, Weizmann Institute of Science, Rehovot, Israel
| | - Galit Cohen
- Wohl Institute for Drug Discovery, High Throughput Screening Unit, Grand Israel National Center for Personalized Medicine, Weizmann Institute of Science, Rehovot, Israel
| | - Silvia Carvalho
- Wohl Institute for Drug Discovery, High Throughput Screening Unit, Grand Israel National Center for Personalized Medicine, Weizmann Institute of Science, Rehovot, Israel
| | - Shirly Duberstein
- Wohl Institute for Drug Discovery, High Throughput Screening Unit, Grand Israel National Center for Personalized Medicine, Weizmann Institute of Science, Rehovot, Israel
| | - Ofir Almog
- Wohl Institute for Drug Discovery, High Throughput Screening Unit, Grand Israel National Center for Personalized Medicine, Weizmann Institute of Science, Rehovot, Israel
| | - Leonardo Javier Solmesky
- Wohl Institute for Drug Discovery, High Throughput Screening Unit, Grand Israel National Center for Personalized Medicine, Weizmann Institute of Science, Rehovot, Israel
| | - Khriesto A Shurrush
- Wohl Institute for Drug Discovery, Medicinal Chemistry Unit, Grand Israel National Center for Personalized Medicine, Weizmann Institute of Science, Rehovot, Israel
| | - Ilana Babaev
- Wohl Institute for Drug Discovery, Medicinal Chemistry Unit, Grand Israel National Center for Personalized Medicine, Weizmann Institute of Science, Rehovot, Israel
| | - Sima Benjamin
- Crown Institute for Genomics, Grand Israel National Center for Personalized Medicine, Weizmann Institute of Science, Rehovot, Israel
| | - Shlomit Gilad
- Crown Institute for Genomics, Grand Israel National Center for Personalized Medicine, Weizmann Institute of Science, Rehovot, Israel
| | - Meital Kupervaser
- de Botton Institute for Proteomics, Grand Israel National Center for Personalized Medicine, Weizmann Institute of Science, Rehovot, Israel
| | - Yishai Levin
- de Botton Institute for Proteomics, Grand Israel National Center for Personalized Medicine, Weizmann Institute of Science, Rehovot, Israel
| | - Michael Gershovits
- Mantoux Institute for Bioinformatics, Grand Israel National Center for Personalized Medicine, Weizmann Institute of Science, Rehovot, Israel
| | - Danny Ben-Avraham
- Mantoux Institute for Bioinformatics, Grand Israel National Center for Personalized Medicine, Weizmann Institute of Science, Rehovot, Israel
| | - Haim Michael Barr
- Wohl Institute for Drug Discovery, High Throughput Screening Unit, Grand Israel National Center for Personalized Medicine, Weizmann Institute of Science, Rehovot, Israel
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16
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Role of tight junctions in the epithelial-to-mesenchymal transition of cancer cells. BIOCHIMICA ET BIOPHYSICA ACTA-BIOMEMBRANES 2020; 1863:183503. [PMID: 33189716 DOI: 10.1016/j.bbamem.2020.183503] [Citation(s) in RCA: 59] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Revised: 10/20/2020] [Accepted: 10/21/2020] [Indexed: 12/15/2022]
Abstract
The epithelial-mesenchymal transition (EMT) is an essential step in cancer progression. Epithelial cells possess several types of cell-cell junctions, and tight junctions are known to play important roles in maintaining the epithelial program. EMT is characterized by a loss of epithelial markers, including E-cadherin and tight junction proteins. Somewhat surprisingly, the evidence is accumulating that upregulated expression of tight junction proteins plays an important role in the EMT of cancer cells. Tight junctions have distinct tissue-specific and cancer-specific regulatory mechanisms, enabling them to play different roles in EMT. Tight junctions and related signaling pathways are attractive targets for cancer treatments; signal transduction inhibitors and monoclonal antibodies for tight junction proteins may be used to suppress EMT, invasion, and metastasis. Here we review the role of bicellular and tricellular tight junction proteins during EMT. Further investigation of regulatory mechanisms of tight junctions during EMT in cancer cells will inform the development of biomarkers for predicting prognosis as well as novel therapies.
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17
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Choi S, Kim KJ, Cheon S, Kim EM, Kim YA, Park C, Kim KK. Biochemical activity of magnesium ions on human osteoblast migration. Biochem Biophys Res Commun 2020; 531:588-594. [PMID: 32814632 DOI: 10.1016/j.bbrc.2020.07.057] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2020] [Accepted: 07/12/2020] [Indexed: 12/19/2022]
Abstract
Magnesium is well known as a biodegradable biomaterial that has been reported to promote bone remodeling in several studies; however, the underlying biological mechanism remains unclear. In the present study, the role of magnesium ions in the migration of U-2 OS cells, which are osteoblast-like cell lines, was investigated. Magnesium treatment did not significantly alter the global transcriptome of U-2 OS cells, but increased the protein expression level of SNAI2, an epithelial-mesenchymal transition (EMT) marker. In addition, it was confirmed that the junctional site localization of Zona-occludens 1 (ZO-1), a representative tight junction protein, was destroyed by magnesium treatment; furthermore, it was determined that cytoplasmic localization increased, and alkaline phosphatase (ALP) activity increased. The obtained results on the mechanism by which magnesium is involved in osteoblast migration, which is important for fracture healing, will contribute to the understanding of the bone-formation process in patients with osteoporosis and musculoskeletal injury.
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Affiliation(s)
- Sunkyung Choi
- Department of Biochemistry, College of Natural Sciences, Chungnam National University, Daejeon, 34134, Republic of Korea
| | - Ki-Jung Kim
- Department of Smart Car Engineering, Doowon Technical University, Paju, Gyeonggi-do, 10838, Republic of Korea
| | - Seongmin Cheon
- School of Biological Sciences and Technology, Chonnam National University, GwangJu, 61186, Republic of Korea
| | - Eun-Mi Kim
- Department of Predictive Toxicology, Korea Institute of Toxicology, Daejeon, 34114, Republic of Korea
| | - Yong-An Kim
- Institute of Biotechnology, Chungnam National University, Daejeon, 34134, Republic of Korea
| | - Chungoo Park
- School of Biological Sciences and Technology, Chonnam National University, GwangJu, 61186, Republic of Korea.
| | - Kee K Kim
- Department of Biochemistry, College of Natural Sciences, Chungnam National University, Daejeon, 34134, Republic of Korea.
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18
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Cochard M, Ledoux F, Landkocz Y. Atmospheric fine particulate matter and epithelial mesenchymal transition in pulmonary cells: state of the art and critical review of the in vitro studies. JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART B, CRITICAL REVIEWS 2020; 23:293-318. [PMID: 32921295 DOI: 10.1080/10937404.2020.1816238] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
Exposure to fine particulate matter (PM2.5) has been associated with several diseases including asthma, chronic obstructive pulmonary disease (COPD) and lung cancer. Mechanisms such as oxidative stress and inflammation are well-documented and are considered as the starting point of some of the pathological responses. However, a number of studies also focused on epithelial-mesenchymal transition (EMT), which is a biological process involved in fibrotic diseases and cancer progression notably via metastasis induction. Up until now, EMT was widely reported in vivo and in vitro in various cell types but investigations dealing with in vitro studies of PM2.5 induced EMT in pulmonary cells are limited. Further, few investigations combined the necessary endpoints for validation of the EMT state in cells: such as expression of several surface, cytoskeleton or extracellular matrix biomarkers and activation of transcription markers and epigenetic factors. Studies explored various cell types, cultured under differing conditions and exposed for various durations to different doses. Such unharmonized protocols (1) might introduce bias, (2) make difficult comparison of results and (3) preclude reaching a definitive conclusion regarding the ability of airborne PM2.5 to induce EMT in pulmonary cells. Some questions remain, in particular the specific PM2.5 components responsible for EMT triggering. The aim of this review is to examine the available PM2.5 induced EMT in vitro studies on pulmonary cells with special emphasis on the critical parameters considered to carry out future research in this field. This clarification appears necessary for production of reliable and comparable results.
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Affiliation(s)
- Margaux Cochard
- Unité de Chimie Environnementale et Interactions sur le Vivant, UCEIV UR4492, SFR Condorcet FR-CNRS-3417, Univ. Littoral Côte d'Opale (ULCO) , Dunkerque, France
| | - Frédéric Ledoux
- Unité de Chimie Environnementale et Interactions sur le Vivant, UCEIV UR4492, SFR Condorcet FR-CNRS-3417, Univ. Littoral Côte d'Opale (ULCO) , Dunkerque, France
| | - Yann Landkocz
- Unité de Chimie Environnementale et Interactions sur le Vivant, UCEIV UR4492, SFR Condorcet FR-CNRS-3417, Univ. Littoral Côte d'Opale (ULCO) , Dunkerque, France
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19
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The Role of Epithelial-to-Mesenchymal Transition in Cutaneous Squamous Cell Carcinoma : Epithelial-to-Mesenchymal Transition in Cutaneous SCC. Curr Treat Options Oncol 2020; 21:47. [PMID: 32350682 DOI: 10.1007/s11864-020-00735-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
OPINION STATEMENT The capacity of cells to modify their phenotypes from epithelial to mesenchymal (epithelial-to-mesenchymal transition or EMT) and vice versa provides them with a dynamic plasticity essential for human life, from embryogenesis to wound healing. Current knowledge about carcinogenetic mechanisms leaves little doubts on the pivotal participation of these interchangeable processes in cancer development, and their influence has been quite clearly established in the progression of cutaneous squamous cell carcinoma. A complex and ordered interplay of signals induces the shift between both phenotypes, providing cells with the most suitable state at every moment to face the next step in tumor invasion and dissemination. Some stimulatory triggers have opposite effects according to the biological context and in many cases exert collateral functions. This scenario makes finding an ideal therapeutic target difficult but provides the opportunity to intervene simultaneously at many different levels with small actions such as targeting the tumor environment. In any case, advances in knowledge of the EMT mechanisms and their influence on carcinogenesis and drug resistance will greatly influence the therapeutic strategies for many human tumors, including cutaneous squamous cell carcinoma.
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20
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Du J, Zhang F, Zhang L, Jia Y, Chen H. MicroRNA-103 regulates the progression in endometrial carcinoma through ZO-1. Int J Immunopathol Pharmacol 2020; 33:2058738419872621. [PMID: 31456452 PMCID: PMC6713959 DOI: 10.1177/2058738419872621] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Endometrial carcinoma (EC) is one of the most common gynecological cancers in many developing countries. Although tremendous advances have been made in the diagnosis and treatment of EC, there is still no adequate biomarker currently available for predicting the prognosis of this cancer. In this study, we found that miR-103 expression was significantly upregulated in EC tissues than their paired non-carcinoma tissues. Overexpression of miR-103 significantly promoted EC cell proliferation, while downregulation of miR-103 significantly suppressed EC cell proliferation. In addition, ZO-1 expression was significantly downregulated in the EC tissues than their paired non-carcinoma tissues. We also found an inverse correlation between ZO-1 and miR-103. Moreover, ZO-1 was validated as the direct target of miR-103. The downregulation of ZO-1 significantly enhanced EC cell proliferation. In conclusion, miR-103 could regulate EC cell proliferation through directly targeting ZO-1. Our results provide a potential development of microRNA-based targeted approaches for the treatment of EC.
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Affiliation(s)
- Jing Du
- Department of Gynecology and Obstetrics, Liaocheng People's Hospital, Liaocheng, P.R. China
| | - Fengli Zhang
- Department of Gynecology and Obstetrics, Liaocheng People's Hospital, Liaocheng, P.R. China
| | - Ling Zhang
- Department of Gynecology and Obstetrics, Liaocheng People's Hospital, Liaocheng, P.R. China
| | - Yueyue Jia
- Department of Gynecology and Obstetrics, Liaocheng People's Hospital, Liaocheng, P.R. China
| | - Huixiao Chen
- Department of Gynecology and Obstetrics, Liaocheng People's Hospital, Liaocheng, P.R. China
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21
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Wang L, Wang C, Wu S, Fan Y, Li X. Influence of the mechanical properties of biomaterials on degradability, cell behaviors and signaling pathways: current progress and challenges. Biomater Sci 2020; 8:2714-2733. [DOI: 10.1039/d0bm00269k] [Citation(s) in RCA: 66] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
We have clarified the influence of the mechanical properties of biomaterials on degradability and cell response, and also mechanical design targets and approaches.
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Affiliation(s)
- Lu Wang
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education
- School of Biological Science and Medical Engineering
- Beihang University
- Beijing 100083
- China
| | - Cunyang Wang
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education
- School of Biological Science and Medical Engineering
- Beihang University
- Beijing 100083
- China
| | - Shuai Wu
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education
- School of Biological Science and Medical Engineering
- Beihang University
- Beijing 100083
- China
| | - Yubo Fan
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education
- School of Biological Science and Medical Engineering
- Beihang University
- Beijing 100083
- China
| | - Xiaoming Li
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education
- School of Biological Science and Medical Engineering
- Beihang University
- Beijing 100083
- China
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22
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Roger E, Martel S, Bertrand-Chapel A, Depollier A, Chuvin N, Pommier RM, Yacoub K, Caligaris C, Cardot-Ruffino V, Chauvet V, Aires S, Mohkam K, Mabrut JY, Adham M, Fenouil T, Hervieu V, Broutier L, Castets M, Neuzillet C, Cassier PA, Tomasini R, Sentis S, Bartholin L. Schwann cells support oncogenic potential of pancreatic cancer cells through TGFβ signaling. Cell Death Dis 2019; 10:886. [PMID: 31767842 PMCID: PMC6877617 DOI: 10.1038/s41419-019-2116-x] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2019] [Revised: 10/09/2019] [Accepted: 11/05/2019] [Indexed: 02/06/2023]
Abstract
Pancreatic ductal adenocarcinoma (PDAC) is one of the solid tumors with the poorest prognosis. The stroma of this tumor is abundant and composed of extracellular matrix and stromal cells (including cancer-associated fibroblasts and immune cells). Nerve fibers invading this stroma represent a hallmark of PDAC, involved in neural remodeling, which participates in neuropathic pain, cancer cell dissemination and tumor relapse after surgery. Pancreatic cancer-associated neural remodeling is regulated through functional interplays mediated by physical and molecular interactions between cancer cells, nerve cells and surrounding Schwann cells, and other stromal cells. In the present study, we show that Schwann cells (glial cells supporting peripheral neurons) can enhance aggressiveness (migration, invasion, tumorigenicity) of pancreatic cancer cells in a transforming growth factor beta (TGFβ)-dependent manner. Indeed, we reveal that conditioned medium from Schwann cells contains high amounts of TGFβ able to activate the TGFβ-SMAD signaling pathway in cancer cells. We also observed in human PDAC samples that high levels of TGFβ signaling activation were positively correlated with perineural invasion. Secretome analyses by mass spectrometry of Schwann cells and pancreatic cancer cells cultured alone or in combination highlighted the central role of TGFβ in neuro-epithelial interactions, as illustrated by proteomic signatures related to cell adhesion and motility. Altogether, these results demonstrate that Schwann cells are a meaningful source of TGFβ in PDAC, which plays a crucial role in the acquisition of aggressive properties by pancreatic cancer cells.
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Affiliation(s)
- Elodie Roger
- Université de Lyon, Université Claude Bernard Lyon 1, INSERM 1052, CNRS 5286, Centre Léon Bérard, Centre de recherche en cancérologie de Lyon (CRCL), Lyon, 69373, France
| | - Sylvie Martel
- Université de Lyon, Université Claude Bernard Lyon 1, INSERM 1052, CNRS 5286, Centre Léon Bérard, Centre de recherche en cancérologie de Lyon (CRCL), Lyon, 69373, France
| | - Adrien Bertrand-Chapel
- Université de Lyon, Université Claude Bernard Lyon 1, INSERM 1052, CNRS 5286, Centre Léon Bérard, Centre de recherche en cancérologie de Lyon (CRCL), Lyon, 69373, France
| | - Arnaud Depollier
- Université de Lyon, Université Claude Bernard Lyon 1, INSERM 1052, CNRS 5286, Centre Léon Bérard, Centre de recherche en cancérologie de Lyon (CRCL), Lyon, 69373, France
| | - Nicolas Chuvin
- Université de Lyon, Université Claude Bernard Lyon 1, INSERM 1052, CNRS 5286, Centre Léon Bérard, Centre de recherche en cancérologie de Lyon (CRCL), Lyon, 69373, France.,Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA, USA
| | - Roxane M Pommier
- Université de Lyon, Université Claude Bernard Lyon 1, INSERM 1052, CNRS 5286, Centre Léon Bérard, Centre de recherche en cancérologie de Lyon (CRCL), Lyon, 69373, France
| | - Karam Yacoub
- Université de Lyon, Université Claude Bernard Lyon 1, INSERM 1052, CNRS 5286, Centre Léon Bérard, Centre de recherche en cancérologie de Lyon (CRCL), Lyon, 69373, France
| | - Cassandre Caligaris
- Université de Lyon, Université Claude Bernard Lyon 1, INSERM 1052, CNRS 5286, Centre Léon Bérard, Centre de recherche en cancérologie de Lyon (CRCL), Lyon, 69373, France
| | - Victoire Cardot-Ruffino
- Université de Lyon, Université Claude Bernard Lyon 1, INSERM 1052, CNRS 5286, Centre Léon Bérard, Centre de recherche en cancérologie de Lyon (CRCL), Lyon, 69373, France
| | - Véronique Chauvet
- Université de Lyon, Université Claude Bernard Lyon 1, INSERM 1052, CNRS 5286, Centre Léon Bérard, Centre de recherche en cancérologie de Lyon (CRCL), Lyon, 69373, France
| | - Sophie Aires
- Université de Lyon, Université Claude Bernard Lyon 1, INSERM 1052, CNRS 5286, Centre Léon Bérard, Centre de recherche en cancérologie de Lyon (CRCL), Lyon, 69373, France
| | - Kayvan Mohkam
- Hospices Civils de Lyon, Croix Rousse hospital, Claude-Bernard Lyon 1 University, Department of General Surgery & Liver Transplantation, Lyon, France
| | - Jean-Yves Mabrut
- Hospices Civils de Lyon, Croix Rousse hospital, Claude-Bernard Lyon 1 University, Department of General Surgery & Liver Transplantation, Lyon, France
| | - Mustapha Adham
- Hospices Civils de Lyon, Edouard Herriot hospital, Claude-Bernard Lyon 1 University, Department of General Surgery & Liver Transplantation, Lyon, France
| | - Tanguy Fenouil
- Hospices Civils de Lyon Institute of Pathology EST, CRCL INSERM U1052, University Lyon 1, Lyon, France
| | - Valérie Hervieu
- Hospices Civils de Lyon Institute of Pathology EST, CRCL INSERM U1052, University Lyon 1, Lyon, France
| | - Laura Broutier
- Université de Lyon, Université Claude Bernard Lyon 1, INSERM 1052, CNRS 5286, Centre Léon Bérard, Centre de recherche en cancérologie de Lyon (CRCL), Lyon, 69373, France
| | - Marie Castets
- Université de Lyon, Université Claude Bernard Lyon 1, INSERM 1052, CNRS 5286, Centre Léon Bérard, Centre de recherche en cancérologie de Lyon (CRCL), Lyon, 69373, France
| | - Cindy Neuzillet
- Medical Oncology Department, Curie Institute, Versailles Saint-Quentin University, 35 rue Dailly, 92210, Saint Cloud, France
| | - Philippe A Cassier
- Université de Lyon, Université Claude Bernard Lyon 1, INSERM 1052, CNRS 5286, Centre Léon Bérard, Centre de recherche en cancérologie de Lyon (CRCL), Lyon, 69373, France.,Departement d'Oncologie Médicale, Centre Léon Bérard, Lyon, 69008, France
| | - Richard Tomasini
- Aix-Marseille Université, Institut Paoli-Calmettes, INSERM U1068, CNRS UMR 7258, Centre de Recherche en Cancérologie de Marseille, Marseille, France
| | - Stéphanie Sentis
- Université de Lyon, Université Claude Bernard Lyon 1, INSERM 1052, CNRS 5286, Centre Léon Bérard, Centre de recherche en cancérologie de Lyon (CRCL), Lyon, 69373, France
| | - Laurent Bartholin
- Université de Lyon, Université Claude Bernard Lyon 1, INSERM 1052, CNRS 5286, Centre Léon Bérard, Centre de recherche en cancérologie de Lyon (CRCL), Lyon, 69373, France.
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23
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Chei S, Oh HJ, Song JH, Seo YJ, Lee K, Lee BY. Magnolol Suppresses TGF-β-Induced Epithelial-to-Mesenchymal Transition in Human Colorectal Cancer Cells. Front Oncol 2019; 9:752. [PMID: 31632899 PMCID: PMC6779771 DOI: 10.3389/fonc.2019.00752] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2019] [Accepted: 07/26/2019] [Indexed: 01/03/2023] Open
Abstract
Tumor metastasis is the end state of a multistep process that includes dissemination of tumor cells to distant organs and requires tumor cells to adapt to different tissue microenvironments. During metastasis, tumor cells undergo a morphological change known as transdifferentiation or the epithelial-to-mesenchymal transition (EMT). In normal embryonic development, the EMT occurs in the context of morphogenesis in a variety of tissues. Over the course of this process, epithelial cells lose their cell-cell adhesion and polarity properties. In this study, we investigated whether magnolol could suppress the EMT in human colorectal cancer cells. To this end, we examined the epithelial markers E-cadherin, ZO-1, and claudin and the mesenchymal markers N-cadherin, TWIST1, Slug, and Snail. Magnolol effectively inhibited EMT in human colon cancer cell lines by upregulating epithelial markers and downregulating mesenchymal markers. The EMT is induced by the TGF-β signaling pathway. To determine whether magnolol disrupts TGF-β signaling, we examined several mediators of this pathway, and found that magnolol decreased the levels of phosphorylated (i.e., active) ERK, GSK3β, and Smad. We conclude that magnolol blocks migration in HCT116 cells by suppressing TGF-β signaling.
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Affiliation(s)
- Sungwoo Chei
- Department of Food Science and Biotechnology, College of Biomedical Sciences, CHA University, Seongnam, South Korea
| | - Hyun-Ji Oh
- Department of Food Science and Biotechnology, College of Biomedical Sciences, CHA University, Seongnam, South Korea
| | - Ji-Hyeon Song
- Department of Food Science and Biotechnology, College of Biomedical Sciences, CHA University, Seongnam, South Korea
| | - Young-Jin Seo
- Department of Food Science and Biotechnology, College of Biomedical Sciences, CHA University, Seongnam, South Korea
| | - Kippeum Lee
- Department of Food Science and Biotechnology, College of Biomedical Sciences, CHA University, Seongnam, South Korea
| | - Boo-Yong Lee
- Department of Food Science and Biotechnology, College of Biomedical Sciences, CHA University, Seongnam, South Korea
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24
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Almalé L, García-Álvaro M, Martínez-Palacián A, García-Bravo M, Lazcanoiturburu N, Addante A, Roncero C, Sanz J, de la O López M, Bragado P, Mikulits W, Factor VM, Thorgeirsson SS, Casal JI, Segovia JC, Rial E, Fabregat I, Herrera B, Sánchez A. c-Met Signaling Is Essential for Mouse Adult Liver Progenitor Cells Expansion After Transforming Growth Factor-β-Induced Epithelial-Mesenchymal Transition and Regulates Cell Phenotypic Switch. Stem Cells 2019; 37:1108-1118. [PMID: 31108004 DOI: 10.1002/stem.3038] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2018] [Revised: 04/08/2019] [Accepted: 04/29/2019] [Indexed: 01/10/2023]
Abstract
Adult hepatic progenitor cells (HPCs)/oval cells are bipotential progenitors that participate in liver repair responses upon chronic injury. Recent findings highlight HPCs plasticity and importance of the HPCs niche signals to determine their fate during the regenerative process, favoring either fibrogenesis or damage resolution. Transforming growth factor-β (TGF-β) and hepatocyte growth factor (HGF) are among the key signals involved in liver regeneration and as component of HPCs niche regulates HPCs biology. Here, we characterize the TGF-β-triggered epithelial-mesenchymal transition (EMT) response in oval cells, its effects on cell fate in vivo, and the regulatory effect of the HGF/c-Met signaling. Our data show that chronic treatment with TGF-β triggers a partial EMT in oval cells based on coexpression of epithelial and mesenchymal markers. The phenotypic and functional profiling indicates that TGF-β-induced EMT is not associated with stemness but rather represents a step forward along hepatic lineage. This phenotypic transition confers advantageous traits to HPCs including survival, migratory/invasive and metabolic benefit, overall enhancing the regenerative potential of oval cells upon transplantation into a carbon tetrachloride-damaged liver. We further uncover a key contribution of the HGF/c-Met pathway to modulate the TGF-β-mediated EMT response. It allows oval cells expansion after EMT by controlling oxidative stress and apoptosis, likely via Twist regulation, and it counterbalances EMT by maintaining epithelial properties. Our work provides evidence that a coordinated and balanced action of TGF-β and HGF are critical for achievement of the optimal regenerative potential of HPCs, opening new therapeutic perspectives. Stem Cells 2019;37:1108-1118.
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Affiliation(s)
- Laura Almalé
- Department of Biochemistry and Molecular Biology, Faculty of Pharmacy, Complutense University of Madrid, Health Research Institute of the Hospital Clínico San Carlos, Madrid, Spain
| | - María García-Álvaro
- Department of Biochemistry and Molecular Biology, Faculty of Pharmacy, Complutense University of Madrid, Health Research Institute of the Hospital Clínico San Carlos, Madrid, Spain
| | - Adoración Martínez-Palacián
- Department of Biochemistry and Molecular Biology, Faculty of Pharmacy, Complutense University of Madrid, Health Research Institute of the Hospital Clínico San Carlos, Madrid, Spain
| | - María García-Bravo
- Cell Differentiation and Cytometry Unit, Hematopoietic Innovative Therapies Division, Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), Madrid, Spain.,Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Madrid, Spain.,Advanced Therapies Mixed Unit, CIEMAT/IIS Fundación Jiménez Díaz, Madrid, Spain
| | - Nerea Lazcanoiturburu
- Department of Biochemistry and Molecular Biology, Faculty of Pharmacy, Complutense University of Madrid, Health Research Institute of the Hospital Clínico San Carlos, Madrid, Spain
| | - Annalisa Addante
- Department of Biochemistry and Molecular Biology, Faculty of Pharmacy, Complutense University of Madrid, Health Research Institute of the Hospital Clínico San Carlos, Madrid, Spain
| | - Cesáreo Roncero
- Department of Biochemistry and Molecular Biology, Faculty of Pharmacy, Complutense University of Madrid, Health Research Institute of the Hospital Clínico San Carlos, Madrid, Spain
| | - Julián Sanz
- Department of Pathology, Hospital Clínico San Carlos, Madrid, Spain
| | - María de la O López
- Department of Biochemistry and Molecular Biology, Faculty of Pharmacy, Complutense University of Madrid, Health Research Institute of the Hospital Clínico San Carlos, Madrid, Spain
| | - Paloma Bragado
- Department of Biochemistry and Molecular Biology, Faculty of Pharmacy, Complutense University of Madrid, Health Research Institute of the Hospital Clínico San Carlos, Madrid, Spain
| | - Wolfgang Mikulits
- Department of Medicine I, Institute of Cancer Research, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria
| | - Valentina M Factor
- Laboratory of Experimental Carcinogenesis, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Snorri S Thorgeirsson
- Laboratory of Experimental Carcinogenesis, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA.,Laboratory of Human Carcinogenesis, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland
| | - J Ignacio Casal
- Department of Functional Proteomics, Centro de Investigaciones Biológicas (CIB-CSIC), Madrid, Spain
| | - José-Carlos Segovia
- Cell Differentiation and Cytometry Unit, Hematopoietic Innovative Therapies Division, Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), Madrid, Spain.,Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Madrid, Spain.,Advanced Therapies Mixed Unit, CIEMAT/IIS Fundación Jiménez Díaz, Madrid, Spain
| | - Eduardo Rial
- Department of Cellular and Molecular Medicine, Centro de Investigaciones Biológicas (CIB-CSIC), Madrid, Spain
| | - Isabel Fabregat
- TGF-β and Cancer Group, Oncobell Program, Bellvitge Biomedical Research Institute (IDIBELL) and University of Barcelona, L'Hospitalet de Llobregat, Barcelona, Spain.,Oncology Program, CIBEREHD, National Biomedical Research Institute on Liver and Gastrointestinal Diseases, Instituto de Salud Carlos III, Madrid, Spain
| | - Blanca Herrera
- Department of Biochemistry and Molecular Biology, Faculty of Pharmacy, Complutense University of Madrid, Health Research Institute of the Hospital Clínico San Carlos, Madrid, Spain
| | - Aránzazu Sánchez
- Department of Biochemistry and Molecular Biology, Faculty of Pharmacy, Complutense University of Madrid, Health Research Institute of the Hospital Clínico San Carlos, Madrid, Spain
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25
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Hennigan RF, Fletcher JS, Guard S, Ratner N. Proximity biotinylation identifies a set of conformation-specific interactions between Merlin and cell junction proteins. Sci Signal 2019; 12:12/578/eaau8749. [PMID: 31015291 DOI: 10.1126/scisignal.aau8749] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Neurofibromatosis type 2 is an inherited, neoplastic disease associated with schwannomas, meningiomas, and ependymomas and that is caused by inactivation of the tumor suppressor gene NF2 The NF2 gene product, Merlin, has no intrinsic catalytic activity; its tumor suppressor function is mediated through the proteins with which it interacts. We used proximity biotinylation followed by mass spectrometry and direct binding assays to identify proteins that associated with wild-type and various mutant forms of Merlin in immortalized Schwann cells. We defined a set of 52 proteins in close proximity to wild-type Merlin. Most of the Merlin-proximal proteins were components of cell junctional signaling complexes, suggesting that additional potential interaction partners may exist in adherens junctions, tight junctions, and focal adhesions. With mutant forms of Merlin that cannot bind to phosphatidylinositol 4,5-bisphosphate (PIP2) or that constitutively adopt a closed conformation, we confirmed a critical role for PIP2 binding in Merlin function and identified a large cohort of proteins that specifically interacted with Merlin in the closed conformation. Among these proteins, we identified a previously unreported Merlin-binding protein, apoptosis-stimulated p53 protein 2 (ASPP2, also called Tp53bp2), that bound to closed-conformation Merlin predominately through the FERM domain. Our results demonstrate that Merlin is a component of cell junctional mechanosensing complexes and defines a specific set of proteins through which it acts.
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Affiliation(s)
- Robert F Hennigan
- Division of Experimental Hematology and Cancer Biology, Cincinnati Children's Hospital, Cincinnati, OH 45229, USA.
| | - Jonathan S Fletcher
- Division of Experimental Hematology and Cancer Biology, Cincinnati Children's Hospital, Cincinnati, OH 45229, USA
| | - Steven Guard
- Department of Molecular, Cellular & Developmental Biology, University of Colorado Boulder, Boulder, CO 80309, USA
| | - Nancy Ratner
- Division of Experimental Hematology and Cancer Biology, Cincinnati Children's Hospital, Cincinnati, OH 45229, USA
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26
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Zhang X, Wang L, Zhang H, Tu F, Qiang Y, Nie C. Decreased expression of ZO-1 is associated with tumor metastases in liver cancer. Oncol Lett 2018; 17:1859-1864. [PMID: 30675248 DOI: 10.3892/ol.2018.9765] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2016] [Accepted: 10/12/2018] [Indexed: 02/07/2023] Open
Abstract
Certain types of cancer exhibit downregulated expression of zonula occludens-1 (ZO-1), which serves an important function in tumor progression; however, the underlying molecular mechanisms that lead to this downregulation in cancer remain unclear. In the present study, the expression of ZO-1 in liver cancer (LC) tissues was investigated. Western blot and reverse transcription-quantitative polymerase chain reaction assays were used to detect the expression of ZO-1 protein and mRNA in LC tissues and paired adjacent non-tumorous tissues. The results indicated that, compared with non-tumorous tissues, the expression of ZO-1 was significantly downregulated at the protein (P<0.001) and mRNA (P=0.006) levels in LC tissue samples. In addition, various cellular and molecular methods were applied, including MTT, colony formation, flow cytometry and Transwell assays. The results indicated that overexpression of ZO-1 inhibited cell viability, proliferation and migration, and induced G0/G1 phase arrest in vitro.
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Affiliation(s)
- Xueli Zhang
- Department of General Surgery, Liaocheng People's Hospital, Liaocheng, Shandong 252000, P.R. China
| | - Liang Wang
- Department of General Surgery, The Third People's Hospital of Liaocheng, Liaocheng, Shandong 252000, P.R. China
| | - Haitao Zhang
- Department of General Surgery, Liaocheng People's Hospital, Liaocheng, Shandong 252000, P.R. China
| | - Fang Tu
- Department of Operating Rooms, Shayang People's Hospital, Shayang, Hubei 448200, P.R. China
| | - Yong Qiang
- Department of General Surgery, The Second People's Hospital of Jingmen, Jingmen, Hubei 448000, P.R. China
| | - Cuifang Nie
- Department of Infectious Disease, Tai'an Central Hospital, Tai'an, Shandong 271000, P.R. China
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27
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Substrate elasticity regulates adipose-derived stromal cell differentiation towards osteogenesis and adipogenesis through β-catenin transduction. Acta Biomater 2018; 79:83-95. [PMID: 30134207 DOI: 10.1016/j.actbio.2018.08.018] [Citation(s) in RCA: 74] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2017] [Revised: 08/03/2018] [Accepted: 08/17/2018] [Indexed: 02/05/2023]
Abstract
It is generally recognised that mesenchymal stem cells (MSCs) can differentiate into multiple lineages through guidance from the biophysical properties of the substrates. However, the precise biophysical mechanism that enables MSCs to respond to substrate properties remains unclear. In the current study, polydimethylsiloxane (PDMS) substrates with different stiffnesses were fabricated and the way in which the elastic modulus of the substrate regulated differentiation towards osteogenesis and adipogenesis in adipose-derived stromal cells (ASCs) was explored. Initially, a cell morphology change by SEM was observed between the stiff and soft substrates. The cytoskeleton stains including microfilament by F-actin and microtubule by α- and β-tubulin further showed a larger cell spreading area on the stiff substrate. Then the expression of vinculin, in charge for the linkage of adhesion molecules to the actin cytoskeleton, was enhanced on the stiff substrate. This change in focal adhesion plaque further triggered intracellular β-catenin signaling and promoted its nuclear translocation especially on the stiff substrate. The influence of β-catenin signaling on direct differentiation to osteogenic lineages was through direct binding between its downstream protein, Lef-1, and the osteogenic transcriptional factors, Runx2 and Osx, while on differentiation to adipogenic lineages was through modulating the expression of PPARγ. The imbalance of stiffness-induced β-catenin signaling finally induced a stronger osteogenesis and a weaker adipogenesis on the stiff substrate relative to those on the soft substrate. This study indicates the importance of stiffness on ASC differentiation and could help to increase understanding of the mechanism underlying molecular signal transduction from mechanosensing, mechanotransducing to stem cell differentiation. STATEMENT OF SIGNIFICANCE Mesenchymal stem cells can differentiate into multiple lineages, such as adipogenesis, myogenesis, neurogenesis, angiogenesis and osteogenesis, through influence of biophysical properties of the extracellular matrix. However, the precise bio-mechanism that triggers stem cell differentiation in response to matrix biophysical properties remains unclear. In the current study, we provide a series of experiments involving the characterization of cell morphology, microfilament, microtubule and adhesion capacity of adipose-derived stromal cells (ASCs) in response to substrate stiffness, and further elucidation of cytoplasmic β-catenin-dependent signal transduction, nuclear translocation and resultant promoter activation of transcriptional factors for osteogenesis and adipogenesis. This study provides an explanation on deeper understanding of bio-mechanism underlying substrate stiffness-triggered β-catenin signal transduction from active mechanosensing, mechanotransducing to stem cell differentiation.
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28
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Liu B, Xing X, Li X, Guo Q, Xu T, Xu K. ZNF259 promotes breast cancer cells invasion and migration via ERK/GSK3β/snail signaling. Cancer Manag Res 2018; 10:3159-3168. [PMID: 30214308 PMCID: PMC6126507 DOI: 10.2147/cmar.s174745] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Purpose Zinc finger protein 259 (ZNF259), also known as ZPR1, is a zinc finger-containing protein that can bind the intracellular tyrosine kinase domain of EGFR. At present, our knowledge on ZNF259 in cancers is limited. Here, we aimed to explore the biological functions of ZNF259 in breast cancer and reveal their mechanisms. Patients and methods The expression of ZNF259 was measured in 133 cases of breast cancer by immunohistochemistry. The online database Kaplan–Meier (KM) Plotter Online Tool was used to analyze the relationship between ZNF259 expression and breast cancer patient survival prognosis. Plasmid transfection and small interfering RNA and inhibitor treatments were carried out to explore the functions of ZNF259 in breast cancer cell lines and its potential mechanism. Matrigel invasion and wound healing assays were performed to detect the invasion and migration ability of cancer cells. In addition, protein expressions in tissues and cells were determined by Western blotting. Results ZNF259 expression was much higher in breast cancer cells than in the adjacent normal breast duct glandular epithelial cells (75.94% vs 7.52%, P<0.001) and was closely related to the breast cancer patients’ TNM stages (P=0.013) and lymph node metastasis (P=0.021). Knockdown of ZNF259 could downregulate p-ERK, p-GSK3β, and Snail expression, and upregulate the expression of E-cadherin and ZO-1, and then it also inhibited invasion and migration by the breast cancer cell lines MCF-7 and MDA-MB-231. Correspondingly, ZNF259 transfection could upregulate p-ERK, p-GSK3β, and Snail expression, and downregulate E-cadherin and ZO-1 expression, which led to stronger invasion and migration abilities of cancer cells. Furthermore, the ERK inhibitor U0126 could reverse all these effects induced by ZNF259 transfection. Conclusion ZNF259 could promote breast cancer cell invasion and migration by activating the ERK/GSK3β/Snail signaling pathway.
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Affiliation(s)
- Bin Liu
- Medical Oncology, Cancer Hospital of China Medical University, Liaoning Cancer Hospital and Institute, Shenyang, Liaoning Province, People's Republic of China
| | - Xiaojing Xing
- Medical Oncology, Cancer Hospital of China Medical University, Liaoning Cancer Hospital and Institute, Shenyang, Liaoning Province, People's Republic of China
| | - Xiang Li
- Breast Surgery, Cancer Hospital of China Medical University, Liaoning Cancer Hospital and Institute, Shenyang, Liaoning Province, People's Republic of China
| | - Qianxue Guo
- Medical Oncology, Cancer Hospital of China Medical University, Liaoning Cancer Hospital and Institute, Shenyang, Liaoning Province, People's Republic of China
| | - Tonghong Xu
- Medical Oncology, Cancer Hospital of China Medical University, Liaoning Cancer Hospital and Institute, Shenyang, Liaoning Province, People's Republic of China
| | - Ke Xu
- Thoracic Surgery, Cancer Hospital of China Medical University, Liaoning Cancer Hospital and Institute, Shenyang, Liaoning Province, People's Republic of China,
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29
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Xie J, Zhang D, Ling Y, Yuan Q, Chenchen Z, Wei D, Zhou X. Substrate elasticity regulates vascular endothelial growth factor A (VEGFA) expression in adipose-derived stromal cells: Implications for potential angiogenesis. Colloids Surf B Biointerfaces 2018; 175:576-585. [PMID: 30580148 DOI: 10.1016/j.colsurfb.2018.08.035] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2018] [Revised: 07/22/2018] [Accepted: 08/16/2018] [Indexed: 02/05/2023]
Abstract
Adipose-derived stromal cells (ASCs) have potential in bioengineering angiogenesis due to their paracrine role in supporting endothelial tubulogenesis and vascular network formation. However, the precise mechanism of the inner angiogenic capacity of ASCs determined by the biophysical properties of the extracellular matrix needs to be further elucidated. In the current study, we fabricated two silicon-based elastomer polydimethylsiloxane (PDMS) substrates with different stiffnesses (stiff substrate, E = 195 kPa and soft substrate, E = 15 kPa) and found there were cytoskeletal changes in ASCs in response to different substrate stiffnesses. We then showed the expression of vinculin in focal adhesion plaques was enhanced and the nuclear translocation of β-catenin signaling was increased in ASCs on the stiff substrate relative to those on the soft substrate. We next used bioinformatics and found the downstream proteins of β-catenin signaling had binding sites in the promoter of vascular endothelial growth factor A (VEGFA), which is responsible for angiogenesis; then, we further confirmed the enhanced endogenous VEGFA expression in ASCs on the stiff substrate relative to that on the soft substrate. Finally, by using ectogenic VEGFA, we showed the stiff substrate could promote angiogenesis of ASCs in the form of more ring-like formations in 2D and vessel-like structure formations in 3D under VEGFA induction compared to that of the soft substrate. This study not only indicates the inner angiogenic capacity of ASCs but also elucidates the influence of substrate elasticity on ASC differentiation in bioengineering angiogenesis.
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Affiliation(s)
- Jing Xie
- State Key Laboratory of Oral Diseases, Endodontic Department West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Demao Zhang
- State Key Laboratory of Oral Diseases, Endodontic Department West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Ye Ling
- State Key Laboratory of Oral Diseases, Endodontic Department West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Quan Yuan
- State Key Laboratory of Oral Diseases, Endodontic Department West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Zhou Chenchen
- State Key Laboratory of Oral Diseases, Endodontic Department West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Du Wei
- State Key Laboratory of Oral Diseases, Endodontic Department West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Xuedong Zhou
- State Key Laboratory of Oral Diseases, Endodontic Department West China Hospital of Stomatology, Sichuan University, Chengdu, China.
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30
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Chen D, Yu D, Wang X, Liu Y, He Y, Deng R, Jiang Y, Zhang F, Liu Y, Xu M, Li J, Luo J, Wang S. Epithelial to mesenchymal transition is involved in ethanol promoted hepatocellular carcinoma cells metastasis and stemness. Mol Carcinog 2018; 57:1358-1370. [PMID: 30295962 DOI: 10.1002/mc.22850] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2018] [Revised: 06/04/2018] [Accepted: 06/12/2018] [Indexed: 12/11/2022]
Abstract
Hepatocellular Carcinoma (HCC) is a malignant tumor with high rate of relapse and metastasis. Ethanol is a well-known risk factor for HCC; it promotes the progression and aggressiveness of HCC. However, the underlying mechanism remains unclear. In clinic studies, we showed that alcohol consumption is positively correlated with TNM stage and vessel invasion; HCC patients with chronic drinking history had faster progression rate and poorer prognosis compared to non-drinkers. In experimental models, ethanol exposure enhanced the metastasis, and invasion of HCC cells. Ethanol exposure increased cancer stem cells (CSC) population and enhanced stemness of HCC cells in vitro and in vivo. Mechanically, we found that ethanol exposure induced epithelial to mesenchymal transition (EMT) through activating Wnt/β-catenin signaling pathway in HCC cells. We further demonstrated that β-catenin siRNA or salinomycin (an inhibitor of Wnt/β-catenin pathway) partially rescued ethanol-induced EMT. In conclusion, this study suggested that ethanol exposure promotes the metastasis and stemness of HCC cells by inducing EMT.
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MESH Headings
- Alcohol Drinking
- Animals
- Anti-Infective Agents, Local/pharmacology
- Carcinoma, Hepatocellular/metabolism
- Carcinoma, Hepatocellular/pathology
- Cell Line, Tumor
- Epithelial-Mesenchymal Transition/drug effects
- Ethanol/pharmacology
- Female
- Hep G2 Cells
- Humans
- Liver Neoplasms/metabolism
- Liver Neoplasms/pathology
- Male
- Mice, Inbred C57BL
- Mice, Nude
- Middle Aged
- Neoplasm Metastasis
- Neoplasms, Experimental/genetics
- Neoplasms, Experimental/metabolism
- Neoplasms, Experimental/pathology
- Neoplastic Stem Cells/drug effects
- Neoplastic Stem Cells/metabolism
- Neoplastic Stem Cells/pathology
- Transplantation, Heterologous
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Affiliation(s)
- Danlei Chen
- Schoolof Basic Medical Sciences, Anhui Medical University, Hefei, Anhui, P. R. China
| | - Dandan Yu
- Schoolof Basic Medical Sciences, Anhui Medical University, Hefei, Anhui, P. R. China
| | - Xinyi Wang
- Schoolof Basic Medical Sciences, Anhui Medical University, Hefei, Anhui, P. R. China
| | - Yan Liu
- Schoolof Basic Medical Sciences, Anhui Medical University, Hefei, Anhui, P. R. China
- The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, P. R. China
| | - Yongjing He
- The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, P. R. China
| | - Ruiqing Deng
- Schoolof Basic Medical Sciences, Anhui Medical University, Hefei, Anhui, P. R. China
- The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, P. R. China
| | - Yu Jiang
- Schoolof Basic Medical Sciences, Anhui Medical University, Hefei, Anhui, P. R. China
| | - Fengyun Zhang
- Schoolof Basic Medical Sciences, Anhui Medical University, Hefei, Anhui, P. R. China
| | - Yakun Liu
- Schoolof Basic Medical Sciences, Anhui Medical University, Hefei, Anhui, P. R. China
| | - Mei Xu
- Department of Pharmacology and Nutritional Sciences, University of Kentucky, College of Medicine, Lexington, Kentucky
| | - Jiabin Li
- The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, P. R. China
| | - Jia Luo
- Department of Pharmacology and Nutritional Sciences, University of Kentucky, College of Medicine, Lexington, Kentucky
| | - Siying Wang
- Schoolof Basic Medical Sciences, Anhui Medical University, Hefei, Anhui, P. R. China
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31
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Hasche D, Vinzón SE, Rösl F. Cutaneous Papillomaviruses and Non-melanoma Skin Cancer: Causal Agents or Innocent Bystanders? Front Microbiol 2018; 9:874. [PMID: 29770129 PMCID: PMC5942179 DOI: 10.3389/fmicb.2018.00874] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2018] [Accepted: 04/16/2018] [Indexed: 12/12/2022] Open
Abstract
There is still controversy in the scientific field about whether certain types of cutaneous human papillomaviruses (HPVs) are causally involved in the development of non-melanoma skin cancer (NMSC). Deciphering the etiological role of cutaneous HPVs requires - besides tissue culture systems - appropriate preclinical models to match the obtained results with clinical data from affected patients. Clear scientific evidence about the etiology and underlying mechanisms involved in NMSC development is fundamental to provide reasonable arguments for public health institutions to classify at least certain cutaneous HPVs as group 1 carcinogens. This in turn would have implications on fundraising institutions and health care decision makers to force - similarly as for anogenital cancer - the implementation of a broad vaccination program against "high-risk" cutaneous HPVs to prevent NMSC as the most frequent cancer worldwide. Precise knowledge of the multi-step progression from normal cells to cancer is a prerequisite to understand the functional and clinical impact of cofactors that affect the individual outcome and the personalized treatment of a disease. This overview summarizes not only recent arguments that favor the acceptance of a viral etiology in NMSC development but also reflects aspects of causality in medicine, the use of empirically meaningful model systems and strategies for prevention.
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Affiliation(s)
- Daniel Hasche
- Division of Viral Transformation Mechanisms, Research Program "Infection, Inflammation and Cancer", German Cancer Research Center, Heidelberg, Germany
| | - Sabrina E Vinzón
- Laboratory of Molecular and Cellular Therapy, Fundación Instituto Leloir, IIBBA-CONICET, Buenos Aires, Argentina
| | - Frank Rösl
- Division of Viral Transformation Mechanisms, Research Program "Infection, Inflammation and Cancer", German Cancer Research Center, Heidelberg, Germany
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Zhang L, Ye Y, Long X, Xiao P, Ren X, Yu J. BMP signaling and its paradoxical effects in tumorigenesis and dissemination. Oncotarget 2018; 7:78206-78218. [PMID: 27661009 PMCID: PMC5363655 DOI: 10.18632/oncotarget.12151] [Citation(s) in RCA: 63] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2016] [Accepted: 09/14/2016] [Indexed: 01/04/2023] Open
Abstract
Bone morphogenetic proteins (BMPs) play important roles in embryonic and postnatal development by regulating cell differentiation, proliferation, motility, and survival, thus maintaining homeostasis during organ and tissue development. BMPs can lead to tumorigenesis and regulate cancer progression in different stages. Therefore, we summarized studies on BMP expression, the clinical significance of BMP dysfunction in various cancer types, and the molecular regulation of various BMP-related signaling pathways. We emphasized on the paradoxical effects of BMPs on various aspects of carcinogenesis, including epithelial–mesenchymal transition (EMT), cancer stem cells (CSCs), and angiogenesis. We also reviewed the molecular mechanisms by which BMPs regulate tumor generation and progression as well as potential therapeutic targets against BMPs that might be valuable in preventing tumor growth and invasion.
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Affiliation(s)
- Lijie Zhang
- Department of Immunology, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center of Caner, Key Laboratory of Cancer Prevention and Therapy, Clinical Research Center for Cancer, Key Laboratory of Cancer Immunology and Biotherapy, Tianjin, P. R. China
| | - Yingnan Ye
- Cancer Molecular Diagnostic Center, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center of Caner, Key Laboratory of Cancer Prevention and Therapy, Clinical Research Center for Cancer, Tianjin, P. R. China
| | - Xinxin Long
- Department of Immunology, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center of Caner, Key Laboratory of Cancer Prevention and Therapy, Clinical Research Center for Cancer, Key Laboratory of Cancer Immunology and Biotherapy, Tianjin, P. R. China
| | - Pei Xiao
- Department of Immunology, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center of Caner, Key Laboratory of Cancer Prevention and Therapy, Clinical Research Center for Cancer, Key Laboratory of Cancer Immunology and Biotherapy, Tianjin, P. R. China
| | - Xiubao Ren
- Department of Immunology, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center of Caner, Key Laboratory of Cancer Prevention and Therapy, Clinical Research Center for Cancer, Key Laboratory of Cancer Immunology and Biotherapy, Tianjin, P. R. China
| | - Jinpu Yu
- Department of Immunology, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center of Caner, Key Laboratory of Cancer Prevention and Therapy, Clinical Research Center for Cancer, Key Laboratory of Cancer Immunology and Biotherapy, Tianjin, P. R. China.,Cancer Molecular Diagnostic Center, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center of Caner, Key Laboratory of Cancer Prevention and Therapy, Clinical Research Center for Cancer, Tianjin, P. R. China
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Zhang L, Feng T, Spicer LJ. The role of tight junction proteins in ovarian follicular development and ovarian cancer. Reproduction 2018; 155:R183-R198. [PMID: 29374086 DOI: 10.1530/rep-17-0503] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2017] [Accepted: 01/26/2018] [Indexed: 01/01/2023]
Abstract
Tight junctions (TJ) are protein structures that control the transport of water, ions and macromolecules across cell layers. Functions of the transmembrane TJ protein, occluding (OCLN) and the cytoplasmic TJ proteins, tight junction protein 1 (TJP1; also known as zona occludens protein-1), cingulin (CGN) and claudins (CLDN) are reviewed, and current evidence of their role in the ovarian function is reviewed. Abundance of OCLN, CLDNs and TJP1 mRNA changed during follicular growth. In vitro treatment with various growth factors known to affect ovarian folliculogenesis indicated that CGN, OCLN and TJP1 are hormonally regulated. The summarized studies indicate that expression of TJ proteins (i.e., OCLN, CLDN, TJP1 and CGN) changes with follicle size in a variety of vertebrate species but whether these changes in TJ proteins are increased or decreased depends on species and cell type. Evidence indicates that autocrine, paracrine and endocrine regulators, such as fibroblast growth factor-9, epidermal growth factor, androgens, tumor necrosis factor-α and glucocorticoids may modulate these TJ proteins. Additional evidence presented indicates that TJ proteins may be involved in ovarian cancer development in addition to normal follicular and luteal development. A model is proposed suggesting that hormonal downregulation of TJ proteins during ovarian follicular development could reduce barrier function (i.e., selective permeability of molecules between theca and granulosa cells) and allow for an increase in the volume of follicular fluid as well as allow additional serum factors into the follicle that may directly impact granulosa cell functions.
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Affiliation(s)
- Lingna Zhang
- Department of Animal ScienceOklahoma State University, Stillwater, Oklahoma, USA
| | - Tao Feng
- Institute of Animal Husbandry and Veterinary MedicineBeijing Academy of Agriculture and Forestry Sciences, Beijing, China
| | - Leon J Spicer
- Department of Animal ScienceOklahoma State University, Stillwater, Oklahoma, USA
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Silva RDS, Lombardi APG, de Souza DS, Vicente CM, Porto CS. Activation of estrogen receptor beta (ERβ) regulates the expression of N-cadherin, E-cadherin and β-catenin in androgen-independent prostate cancer cells. Int J Biochem Cell Biol 2018; 96:40-50. [PMID: 29341930 DOI: 10.1016/j.biocel.2018.01.008] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2017] [Revised: 01/10/2018] [Accepted: 01/12/2018] [Indexed: 12/11/2022]
Abstract
The aim of the present study was to investigate the impact of the activation of estrogen receptors on expression and localization of N-cadherin, E-cadherin and non-phosphorylated β-catenin in androgen-independent prostate cancer cells (PC-3 and DU-145) and in human post pubertal prostate epithelial cells (PNT1A). Expression of N-cadherin was detected in PNT1A and PC-3 cells, but not in DU-145 cells. E-cadherin was detected only in DU-145 cells and β-catenin was detected in all cells studied. N-cadherin and β-catenin were located preferentially in the cellular membrane of PNT1A cells and in the cytoplasm of PC-3 cells. E-cadherin and β-catenin were located preferentially in the cellular membrane of DU-145 cells. 17β-estradiol (E2) or the ERα-selective agonist PPT did not affect the content and localization of N-cadherin in PC-3 and PNT1A cells or E-cadherin in DU-145 cells. In PC-3 cells, ERβ-selective agonist DPN decreased the expression of N-cadherin. DPN-induced downregulation of N-cadherin was blocked by pretreatment with the ERβ-selective antagonist (PHTPP), indicating that ERβ1 is the upstream receptor regulating the expression of N-cadherin. In DU-145 cells, the activation of ERβ1 by DPN increased the expression of E-cadherin. Taken together, these results suggest that activation of ERβ1 is required to maintain an epithelial phenotype in PC-3 and DU-145 cells. The activation of ERβ1 also increased the expression of β-catenin in cytoplasm of PC-3 and in the cellular membrane of DU-145 cells. In conclusion, our results indicate differential expression and localization of N-cadherin, E-cadherin and β-catenin in androgen-independent prostate cancer cells. The reduction of N-cadherin content by activation of ERβ, exclusively observed in androgen-independent prostate cancer cells (PC-3), may be related to the activation of signaling pathways, such as the release of β-catenin into the cytoplasm, translocation of β-catenin to the nucleus and activation of gene transcription.
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Affiliation(s)
- Rafael de Souza Silva
- Section of Experimental Endocrinology, Department of Pharmacology, Escola Paulista de Medicina, Universidade Federal de São Paulo, Rua Pedro de Toledo 669, Vila Clementino, São Paulo, SP, 04039-032, Brazil
| | - Ana Paola G Lombardi
- Section of Experimental Endocrinology, Department of Pharmacology, Escola Paulista de Medicina, Universidade Federal de São Paulo, Rua Pedro de Toledo 669, Vila Clementino, São Paulo, SP, 04039-032, Brazil
| | - Deborah Simão de Souza
- Section of Experimental Endocrinology, Department of Pharmacology, Escola Paulista de Medicina, Universidade Federal de São Paulo, Rua Pedro de Toledo 669, Vila Clementino, São Paulo, SP, 04039-032, Brazil
| | - Carolina M Vicente
- Section of Experimental Endocrinology, Department of Pharmacology, Escola Paulista de Medicina, Universidade Federal de São Paulo, Rua Pedro de Toledo 669, Vila Clementino, São Paulo, SP, 04039-032, Brazil
| | - Catarina S Porto
- Section of Experimental Endocrinology, Department of Pharmacology, Escola Paulista de Medicina, Universidade Federal de São Paulo, Rua Pedro de Toledo 669, Vila Clementino, São Paulo, SP, 04039-032, Brazil.
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Silencing of CEMIP suppresses Wnt/β-catenin/Snail signaling transduction and inhibits EMT program of colorectal cancer cells. Acta Histochem 2018; 120:56-63. [PMID: 29173982 DOI: 10.1016/j.acthis.2017.11.002] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2017] [Revised: 11/10/2017] [Accepted: 11/13/2017] [Indexed: 12/20/2022]
Abstract
Cell migration inducing hyaluronan binding protein (CEMIP) is a hyaluronic acid binding protein, the abnormal elevation of which is suggested as a contributor in the carcinogenesis of colorectal cancer (CRC). Cancer cells lose their adhesive properties and acquire an enhanced mobility by undergoing epithelial-mesenchymal transition (EMT). This study is performed to investigate whether and how CEMIP orchestrates the EMT process of CRC cells. To avoid the unexpected off-target effects possibly caused by one single shRNA, two shRNAs targeting different mRNA regions of CEMIP gene were used to knock down the mRNA and protein expression of CEMIP. Our data showed that the proliferation, migration and invasion of two CRC cell lines, HCT116 and SW480 cells, were inhibited by CEMIP shRNA. We here defined EMT as the complete or partial loss of E-cadherin and zona occludens protein 1 (ZO-1) (epithelial markers) and the gain of Vimentin and N-cadherin (mesenchymal markers), and found that the EMT process was attenuated in CEMIP-silenced SW480 cells. Snail, a direct target of β-catenin/T cell factor complex, is known to activate the EMT program during cancer metastasis. CEMIP shRNA was further found to suppress the Wnt/β-catenin/Snail signaling transduction in CRC cells as manifested by the decreased nuclear β-catenin and Snail. Collectively, our work demonstrates that CEMIP contributes to metastatic phenotype of CRC cells in vitro.
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Gómez-Escudero J, Moreno V, Martín-Alonso M, Hernández-Riquer MV, Feinberg T, Colmenar Á, Calvo E, Camafeita E, Martínez F, Oudhoff MJ, Weiss SJ, Arroyo AG. E-cadherin cleavage by MT2-MMP regulates apical junctional signaling and epithelial homeostasis in the intestine. J Cell Sci 2017; 130:4013-4027. [PMID: 29061881 DOI: 10.1242/jcs.203687] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2017] [Accepted: 10/13/2017] [Indexed: 12/11/2022] Open
Abstract
Cadherin-based intercellular adhesions are essential players in epithelial homeostasis, but their dynamic regulation during tissue morphogenesis and remodeling remain largely undefined. Here, we characterize an unexpected role for the membrane-anchored metalloproteinase MT2-MMP in regulating epithelial cell quiescence. Following co-immunoprecipitation and mass spectrometry, the MT2-MMP cytosolic tail was found to interact with the zonula occludens protein-1 (ZO-1) at the apical junctions of polarized epithelial cells. Functionally, MT2-MMP localizes in the apical domain of epithelial cells where it cleaves E-cadherin and promotes epithelial cell accumulation, a phenotype observed in 2D polarized cells as well as 3D cysts. MT2-MMP-mediated cleavage subsequently disrupts apical E-cadherin-mediated cell quiescence resulting in relaxed apical cortical tension favoring cell extrusion and re-sorting of Src kinase activity to junctional complexes, thereby promoting proliferation. Physiologically, MT2-MMP loss of function alters E-cadherin distribution, leading to impaired 3D organoid formation by mouse colonic epithelial cells ex vivo and reduction of cell proliferation within intestinal crypts in vivo Taken together, these studies identify an MT2-MMP-E-cadherin axis that functions as a novel regulator of epithelial cell homeostasis in vivo.
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Affiliation(s)
- Jesús Gómez-Escudero
- Matrix Metalloproteinases in Angiogenesis and Inflammation Group, Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC), 28029 Madrid, Spain
| | - Vanessa Moreno
- Matrix Metalloproteinases in Angiogenesis and Inflammation Group, Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC), 28029 Madrid, Spain
| | - Mara Martín-Alonso
- Centre of Molecular Inflammation Research (CEMIR), Department of Clinical and Molecular Medicine, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, 7491 Trondheim, Norway
| | - M Victoria Hernández-Riquer
- Matrix Metalloproteinases in Angiogenesis and Inflammation Group, Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC), 28029 Madrid, Spain
| | - Tamar Feinberg
- Division of Molecular Medicine and Genetics, Department of Internal Medicine, Life Sciences Institute, University of Michigan, Ann Arbor, MI 48109, USA
| | - Ángel Colmenar
- Matrix Metalloproteinases in Angiogenesis and Inflammation Group, Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC), 28029 Madrid, Spain
| | - Enrique Calvo
- Proteomics Unit, Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC), 28029 Madrid, Spain
| | - Emilio Camafeita
- Proteomics Unit, Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC), 28029 Madrid, Spain
| | - Fernando Martínez
- Bioinformatics Unit, Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC), 28029 Madrid, Spain
| | - Menno J Oudhoff
- Centre of Molecular Inflammation Research (CEMIR), Department of Clinical and Molecular Medicine, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, 7491 Trondheim, Norway
| | - Stephen J Weiss
- Division of Molecular Medicine and Genetics, Department of Internal Medicine, Life Sciences Institute, University of Michigan, Ann Arbor, MI 48109, USA
| | - Alicia G Arroyo
- Matrix Metalloproteinases in Angiogenesis and Inflammation Group, Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC), 28029 Madrid, Spain
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Riz I, Hawley RG. Increased expression of the tight junction protein TJP1/ZO-1 is associated with upregulation of TAZ-TEAD activity and an adult tissue stem cell signature in carfilzomib-resistant multiple myeloma cells and high-risk multiple myeloma patients. Oncoscience 2017; 4:79-94. [PMID: 28966941 PMCID: PMC5616201 DOI: 10.18632/oncoscience.356] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2017] [Accepted: 06/23/2017] [Indexed: 02/07/2023] Open
Abstract
Tight junction protein 1 (TJP1) has recently been proposed as a biomarker to identify multiple myeloma (MM) patients most likely to respond to bortezomib- and carfilzomib-based proteasome inhibitor regimens. Herein we report increased expression of TJP1 during the adaptive response mediating carfilzomib resistance in the LP-1/Cfz MM cell line. Moreover, increased TJP1 expression delineated a subset of relapsed/refractory MM patients on bortezomib-based therapy sharing an LP-1/Cfz-like phenotype characterized by activation of interacting transcriptional effectors of the Hippo signaling cascade (TAZ and TEAD1) and an adult tissue stem cell signature. siRNA-mediated knockdown of TJP1 or TAZ/TEAD1 partially sensitized LP-1/Cfz cells to carfilzomib. Connectivity Map analysis identified translation inhibitors as candidate therapeutic agents targeting this molecular phenotype. We confirmed this prediction by showing that homoharringtonine (omacetaxine mepesuccinate) — the first translation inhibitor to be approved by the U.S. Food and Drug Administration — displayed potent cytotoxic activity on LP-1/Cfz cells. Homoharringtonine treatment reduced the levels of TAZ and TEAD1 as well as the MM-protective proteins Nrf2 and MCL1. Thus, our data suggest the importance of further studies evaluating translation inhibitors in relapsed/refractory MM. On the other hand, use of TJP1 as a MM biomarker for proteasome inhibitor sensitivity requires careful consideration.
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Affiliation(s)
- Irene Riz
- Department of Anatomy and Regenerative Biology, George Washington University, Washington, DC, USA
| | - Robert G Hawley
- Department of Anatomy and Regenerative Biology, George Washington University, Washington, DC, USA
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Chang CH, Yen MC, Liao SH, Hsu YL, Lai CS, Chang KP, Hsu YL. Secreted Protein Acidic and Rich in Cysteine (SPARC) Enhances Cell Proliferation, Migration, and Epithelial Mesenchymal Transition, and SPARC Expression is Associated with Tumor Grade in Head and Neck Cancer. Int J Mol Sci 2017; 18:ijms18071556. [PMID: 28718842 PMCID: PMC5536044 DOI: 10.3390/ijms18071556] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2017] [Revised: 07/11/2017] [Accepted: 07/14/2017] [Indexed: 01/01/2023] Open
Abstract
Secreted protein acidic and rich in cysteine (SPARC) is a secreted protein which is involved in various biological processes. SPARC expression is associated with tumor metastasis and poor prognosis in several types of cancer. However, the SPARC-induced signaling pathway was not fully understood in head and neck cancer. In this study, our results showed that SPARC treatment promoted cell proliferation and migration in head and neck cancer cell lines FaDu and Detroit 562. In addition, SPARC induced expression of epithelial mesenchymal transition (EMT) regulators, including Slug, Snail, and Twist in Detroit 562. The results of phospho-kinase array analysis showed that SPARC treatment increased phosphorylation of some molecules including protein kinase B (PKB/AKT), ribosomal S6 kinase (RSK), and extracellular signal–regulated kinases (ERK). The expression of SPARC-induced EMT regulator Slug was suppressed by AKT inhibitor, but not ERK and RSK inhibitors. The SPARC expression in grade IV tumor samples is higher when compared to that in grade I–III tumor samples. Our results suggest that SPARC treatment enhances the EMT signaling pathway via activation of AKT, and exogenous SPARC and tumor expressing SPARC might be associated with tumor progression in head and neck cancers.
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Affiliation(s)
- Chih-Hau Chang
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan.
- Division of Plastic and Reconstructive Surgery, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan.
| | - Meng-Chi Yen
- Department of Emergency Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 807, Taiwan.
| | - Ssu-Hui Liao
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan.
| | - Yu-Ling Hsu
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan.
| | - Chung-Sheng Lai
- Division of Plastic and Reconstructive Surgery, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan.
- Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan.
| | - Kao-Ping Chang
- Division of Plastic and Reconstructive Surgery, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan.
- Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan.
| | - Ya-Ling Hsu
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan.
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Liu MH, Shi SM, Li K, Chen EQ. Knockdown of PFTK1 Expression by RNAi Inhibits the Proliferation and Invasion of Human Non-Small Lung Adenocarcinoma Cells. Oncol Res 2017; 24:181-7. [PMID: 27458099 PMCID: PMC7838604 DOI: 10.3727/096504016x14635761799038] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
PFTK1 (PFTAIRE protein kinase 1), also named CDK14 (cyclin-dependent kinase 14), is a member of the cell division cycle 2 (CDC2)-related protein kinase family. It is highly expressed in several malignant tumors. However, the role of PFTK1 in the progression of non-small cell lung cancer (NSCLC) is still elusive. In this study, we aimed to explore the expression and function of PFTK1 in NSCLC cells. Our results showed that PFTK1 was significantly upregulated in human NSCLC cell lines. Silencing the expression of PFTK1 inhibited the proliferation of NSCLC cells. In addition, silencing the expression of PFTK1 endowed NSCLC cells with decreased migration and invasion abilities, as well as epithelial-mesenchymal transition (EMT) progress in A549 cells. A mechanistic study showed that knockdown of PFTK1 inhibited the expression of β-catenin, cyclin D1, and c-Myc in A549 cells. In summary, we report that small interfering RNA (siRNA)-PFTK1 might inhibit the proliferation and invasion of NSCLC cells by suppressing the Wnt/β-catenin signaling pathway. Therefore, PFTK1 may represent a novel therapeutic target for the treatment of NSCLC.
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Affiliation(s)
- Mei-Han Liu
- Department of Ultrasonography, China-Japan Union Hospital of Jilin University, Changchun, Jilin Province, China
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Tight junction protein ZO-1 controls organic cation/carnitine transporter OCTN2 (SLC22A5) in a protein kinase C-dependent way. BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR CELL RESEARCH 2017; 1864:797-805. [PMID: 28257821 DOI: 10.1016/j.bbamcr.2017.02.014] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/04/2016] [Revised: 02/07/2017] [Accepted: 02/27/2017] [Indexed: 12/20/2022]
Abstract
OCTN2 (SLC22A5) is an organic cation/carnitine transporter belonging to the solute carrier transporters (SLC) family. OCTN2 is ubiquitously expressed and its presence was shown in various brain cells, including the endothelial cells forming blood-brain barrier, where it was mainly detected at abluminal membrane and in proximity of tight junctions (TJ). Since OCTN2 contains a PDZ-binding domain, the present study was focused on a possible role of transporter interaction with a TJ-associated protein ZO-1, containing PDZ domains and detected in rat Octn2 proteome. We showed previously that activation of protein kinase C (PKC) in rat astrocytes regulates Octn2 surface presence and activity. Regulation of a wild type Octn2 and its deletion mutant without a PDZ binding motif were studied in heterologous expression system in HEK293 cells. Plasma membrane presence of overexpressed Octn2 did not depend on either PKC activation or presence of PDZ-binding motif, anyhow, as assayed in proximity ligation assay, the truncation of PDZ binding motif resulted in a strongly diminished Octn2/ZO-1 interaction and in a decreased transporter activity. The same effects on Octn2 activity were detected upon PKC activation, what correlated with ZO-1 phosphorylation. It is postulated that ZO-1, when not phosphorylated by PKC, keeps Octn2 in an active state, while elimination of this binding in ΔPDZ mutant or after ZO-1 phosphorylation leads to diminution of Octn2 activity.
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Zhang B, Han S, Feng B, Chu X, Chen L, Wang R. Hepatitis B virus X protein-mediated non-coding RNA aberrations in the development of human hepatocellular carcinoma. Exp Mol Med 2017; 49:e293. [PMID: 28186085 PMCID: PMC5336563 DOI: 10.1038/emm.2016.177] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2016] [Revised: 11/03/2016] [Accepted: 11/14/2016] [Indexed: 02/06/2023] Open
Abstract
Hepatitis B virus (HBV) has an important role in the development of human hepatocellular carcinoma (HCC). Accumulated evidence has shown that HBV-encoded X protein (HBx) can induce both genetic alterations in tumor suppressor genes and oncogenes, as well as epigenetic aberrations in HCC pathogens. Non-coding RNAs (ncRNAs) mainly include microRNAs and long non-coding RNAs (lncRNAs). Although ncRNAs cannot code proteins, growing evidence has shown that they have various important biological functions in cell proliferation, cell cycle control, anti-apoptosis, epithelial–mesenchymal transition, tumor invasion and metastasis. This review summarizes the current knowledge regarding the mechanisms and emerging roles of ncRNAs in the pathogenesis of HBV-related HCC. Accumulated data have shown that ncRNAs regulated by HBx have a crucial role in HBV-associated hepatocarcinogenesis. The findings of these studies will contribute to more clinical applications of HBV-related ncRNAs as potential diagnostic markers or as molecular therapeutic targets to prevent and treat HBV-related HCC.
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Affiliation(s)
- Bei Zhang
- Department of Medical Oncology, Jinling Hospital, School of Medicine, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Siqi Han
- Department of Medical Oncology, Jinling Hospital, School of Medicine, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Bing Feng
- Department of Medical Oncology, Jinling Hospital, School of Medicine, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Xiaoyuan Chu
- Department of Medical Oncology, Jinling Hospital, School of Medicine, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Longbang Chen
- Department of Medical Oncology, Jinling Hospital, School of Medicine, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Rui Wang
- Department of Medical Oncology, Jinling Hospital, School of Medicine, Nanjing Medical University, Nanjing, Jiangsu, China
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Pigment epithelium-derived factor attenuates myocardial fibrosis via inhibiting Endothelial-to-Mesenchymal Transition in rats with acute myocardial infarction. Sci Rep 2017; 7:41932. [PMID: 28167820 PMCID: PMC5294634 DOI: 10.1038/srep41932] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2016] [Accepted: 01/03/2017] [Indexed: 02/06/2023] Open
Abstract
Endothelial mesenchymal transition (EndMT) plays a critical role in the pathogenesis and progression of interstitial and perivascular fibrosis after acute myocardial infarction (AMI). Pigment epithelium-derived factor (PEDF) is shown to be a new therapeutic target owing to its protective role in cardiovascular disease. In this study, we tested the hypothesis that PEDF is an endogenous inhibitor of EndMT and represented a novel mechanism for its protective effects against overactive cardiac fibrosis after AMI. Masson’s trichrome (MTC) staining and picrosirius red staining revealed decreased interstitial and perivascular fibrosis in rats overexpressing PEDF. The protective effect of PEDF against EndMT was confirmed by co-labeling of cells with the myofibroblast and endothelial cell markers. In the endothelial cells of microvessels in the ischemic myocardium, the inhibitory effect of PEDF against nuclear translocation of β-catenin was observed through confocal microscopic imaging. The correlation between antifibrotic effect of PEDF and inactivation of β-catenin was confirmed by co-transfecting cells with lentivirus carrying PEDF or PEDF RNAi and plasmids harboring β-catenin siRNA(r) or constitutive activation of mutant β-catenin. Taken together, these results establish a novel finding that PEDF could inhibit EndMT related cardiac fibrosis after AMI by a mechanism dependent on disruption of β-catenin activation and translocation.
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Tomita Y, Dorward H, Yool AJ, Smith E, Townsend AR, Price TJ, Hardingham JE. Role of Aquaporin 1 Signalling in Cancer Development and Progression. Int J Mol Sci 2017; 18:ijms18020299. [PMID: 28146084 PMCID: PMC5343835 DOI: 10.3390/ijms18020299] [Citation(s) in RCA: 75] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2016] [Revised: 01/19/2017] [Accepted: 01/23/2017] [Indexed: 02/07/2023] Open
Abstract
Cancer is a major health burden worldwide. Despite the advances in our understanding of its pathogenesis and continued improvement in cancer management and outcomes, there remains a strong clinical demand for more accurate and reliable biomarkers of metastatic progression and novel therapeutic targets to abrogate angiogenesis and tumour progression. Aquaporin 1 (AQP1) is a small hydrophobic integral transmembrane protein with a predominant role in trans-cellular water transport. Recently, over-expression of AQP1 has been associated with many types of cancer as a distinctive clinical prognostic factor. This has prompted researchers to evaluate the link between AQP1 and cancer biological functions. Available literature implicates the role of AQP1 in tumour cell migration, invasion and angiogenesis. This article reviews the current understanding of AQP1-facilitated tumour development and progression with a focus on regulatory mechanisms and downstream signalling pathways.
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Affiliation(s)
- Yoko Tomita
- Molecular Oncology, Basil Hetzel Institute, The Queen Elizabeth Hospital & Discipline of Physiology, School of Medicine, University of Adelaide, Adelaide, SA 5000, Australia.
| | - Hilary Dorward
- Molecular Oncology, Basil Hetzel Institute, The Queen Elizabeth Hospital, Woodville South, SA 5011, Australia.
| | - Andrea J Yool
- Discipline of Physiology, School of Medicine, University of Adelaide, Adelaide, SA 5000, Australia.
| | - Eric Smith
- Molecular Oncology, Basil Hetzel Institute, The Queen Elizabeth Hospital, Woodville South, SA 5011, Australia.
| | - Amanda R Townsend
- Medical Oncology, The Queen Elizabeth Hospital & School of Medicine, University of Adelaide, Adelaide, SA 5000, Australia.
| | - Timothy J Price
- Medical Oncology, The Queen Elizabeth Hospital & School of Medicine, University of Adelaide, Adelaide, SA 5000, Australia.
| | - Jennifer E Hardingham
- Molecular Oncology, Basil Hetzel Institute, The Queen Elizabeth Hospital & Discipline of Physiology, School of Medicine, University of Adelaide, Adelaide, SA 5000, Australia.
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Liu H, Liu Z, Jiang B, Peng R, Ma Z, Lu J. SOX9 Overexpression Promotes Glioma Metastasis via Wnt/β-Catenin Signaling. Cell Biochem Biophys 2017; 73:205-12. [PMID: 25716338 DOI: 10.1007/s12013-015-0647-z] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
SOX9 gene encodes a transcription factor essential for a central role in the development and differentiation of multiple cell lineages, such as in neurogenesis, neural crest development, etc. Recent study reported that overexpression of SOX9 mRNA is closely associated with poor clinical outcome of patients with malignant gliomas. In the present study, we have explored the regulatory role of SOX9 in glioma metastasis. To investigate the role of SOX9 in glioma metastasis, SOX9 overexpressed in human glioma cell line U251 on cell migration and invasion was evaluated via wound scratch, Transwell assay without or with Matrigel. SOX9-induced changes in EMT process were evaluated by Western blot. Furthermore, the role of β-catenin in the regulatory effect of SOX9 on cell migration and invasion, and EMT process was explored by suppressing β-catenin expression in SOX9-overexpressed U251 cells. SOX9 overexpression in U251 cells resulted in a significant increase in cell migration and invasion. SOX9 overexpression also markedly promoted the EMT process. More importantly, our results revealed that SOX9 stimulated metastasis through activating Wnt/β-catenin signaling. In summary, this study indicated that the promoting effect of SOX9 on glioma metastasis was, at least in part, through Wnt/β-catenin signaling. The findings in this study highlight the effectiveness and therapeutic potential to utilize SOX9 targeted strategies in the treatment of glioma.
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Affiliation(s)
- Hongwei Liu
- Department of Neurosurgery, Xiangya Hospital, Central South University (CSU), Changsha, China
| | - Zhixiong Liu
- Department of Neurosurgery, Xiangya Hospital, Central South University (CSU), Changsha, China
| | - Bing Jiang
- Department of Neurosurgery, Xiangya Hospital, Central South University (CSU), Changsha, China
| | - Renjun Peng
- Department of Neurosurgery, Xiangya Hospital, Central South University (CSU), Changsha, China
| | - Zhiming Ma
- Department of Neurosurgery, Xiangya Hospital, Central South University (CSU), Changsha, China
| | - Jingchen Lu
- Department of Oncology, Xiangya Hospital, Central South University (CSU), Changsha, China.
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Fang Z, Deng J, Zhang L, Xiang X, Yu F, Chen J, Feng M, Xiong J. TRIM24 promotes the aggression of gastric cancer via the Wnt/β-catenin signaling pathway. Oncol Lett 2017; 13:1797-1806. [PMID: 28454326 DOI: 10.3892/ol.2017.5604] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2015] [Accepted: 11/03/2016] [Indexed: 01/05/2023] Open
Abstract
Tripartite motif-containing 24 (TRIM24) is important in tumor development and progression. However, the role of TRIM24 in gastric cancer (GC) and the mechanisms underlying the dysregulated expression of TRIM24 remain to be fully elucidated. In the present study, it was found that TRIM24 was frequently overexpressed in GC cell lines and tissues compared with normal controls, as determined by western blotting and immunohistochemical staining. The high nuclear expression of TRIM24 was correlated with the depth of invasion (P=0.007), tumor-node-metastasis stage (P=0.005), and lymph node metastasis (P=0.027), and shorter overall survival rates (P=0.010) in patients with GC. Small interfering RNA-mediated knockdown of TRIM24 inhibited cell proliferation, colony formation, migration, invasion and the nuclear accumulation of β-catenin, and it delayed cell cycle progression and induced apoptosis. In addition, the expression of TRIM24 was positively correlated with that of β-catenin in GC tissues. TRIM24 knockdown decreased the expression of Wnt/β-catenin target genes, whereas the activation of Wnt/β-catenin signaling by lithium chloride reversed the effects of TRIM24 knockdown. Taken together, these data suggested that TRIM24 was a prognostic or potential therapeutic target for patients with GC and was important in the activation of the Wnt/β-catenin pathway during the progression of GC.
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Affiliation(s)
- Ziling Fang
- Department of Oncology, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, P.R. China
| | - Jun Deng
- Department of Oncology, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, P.R. China
| | - Ling Zhang
- Department of Oncology, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, P.R. China
| | - Xiaojun Xiang
- Department of Oncology, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, P.R. China
| | - Feng Yu
- Department of Oncology, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, P.R. China
| | - Jun Chen
- Department of Oncology, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, P.R. China
| | - Miao Feng
- Department of Oncology, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, P.R. China
| | - Jianping Xiong
- Department of Oncology, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, P.R. China
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Lesage J, Suarez‐Carmona M, Neyrinck‐Leglantier D, Grelet S, Blacher S, Hunziker W, Birembaut P, Noël A, Nawrocki‐Raby B, Gilles C, Polette M. Zonula occludens‐1/NF‐κB/CXCL8: a new regulatory axis for tumor angiogenesis. FASEB J 2017; 31:1678-1688. [DOI: 10.1096/fj.201600890r] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2017] [Accepted: 01/03/2017] [Indexed: 01/18/2023]
Affiliation(s)
- Julien Lesage
- INSERM, Unité Mixte de Recherche–S 903, Structure Fédérative de Recherche Champagne‐Ardennes Picardie Santé (SFR CAP)University of Reims Champagne‐Ardenne Reims France
| | - Meggy Suarez‐Carmona
- Laboratory of Tumor and Development Biology, Grappe Interdisciplinaire de Génoprotéomique Appliquée (GIGA)‐CancerUniversity of Liège Liège Belgium
| | - Deborah Neyrinck‐Leglantier
- INSERM, Unité Mixte de Recherche–S 903, Structure Fédérative de Recherche Champagne‐Ardennes Picardie Santé (SFR CAP)University of Reims Champagne‐Ardenne Reims France
| | - Simon Grelet
- Department of Biochemistry and Molecular BiologyMedical University of South Carolina Charleston South Carolina USA
| | - Silvia Blacher
- Laboratory of Tumor and Development Biology, Grappe Interdisciplinaire de Génoprotéomique Appliquée (GIGA)‐CancerUniversity of Liège Liège Belgium
| | - Walter Hunziker
- Epithelial Cell Biology LaboratoryInstitute of Molecular and Cell Biology Singapore Singapore
| | - Philippe Birembaut
- INSERM, Unité Mixte de Recherche–S 903, Structure Fédérative de Recherche Champagne‐Ardennes Picardie Santé (SFR CAP)University of Reims Champagne‐Ardenne Reims France
- Laboratory of BiopathologyCentres Hospitaliers Universitaires Reims France
| | - Agnes Noël
- Laboratory of Tumor and Development Biology, Grappe Interdisciplinaire de Génoprotéomique Appliquée (GIGA)‐CancerUniversity of Liège Liège Belgium
| | - Béatrice Nawrocki‐Raby
- INSERM, Unité Mixte de Recherche–S 903, Structure Fédérative de Recherche Champagne‐Ardennes Picardie Santé (SFR CAP)University of Reims Champagne‐Ardenne Reims France
| | - Christine Gilles
- Laboratory of Tumor and Development Biology, Grappe Interdisciplinaire de Génoprotéomique Appliquée (GIGA)‐CancerUniversity of Liège Liège Belgium
| | - Myriam Polette
- INSERM, Unité Mixte de Recherche–S 903, Structure Fédérative de Recherche Champagne‐Ardennes Picardie Santé (SFR CAP)University of Reims Champagne‐Ardenne Reims France
- Laboratory of BiopathologyCentres Hospitaliers Universitaires Reims France
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Huang M, Wu S, Hu Q, Wu H, Wei S, Xie H, Sun K, Li X, Fang L. Agkihpin, a novel SVAE may inhibit the migration and invasion of liver cancer cells associated with the inversion of EMT induced by Wnt/β-catenin signaling inhibition. Biochem Biophys Res Commun 2016; 479:283-289. [PMID: 27644877 DOI: 10.1016/j.bbrc.2016.09.060] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2016] [Accepted: 09/13/2016] [Indexed: 11/27/2022]
Abstract
In our previous work, agkihpin, a snake venom arginine esterase (SVAE), was isolated from the Gloydius halys Pallas, which could attenuate the migration of liver cancer cells. However, the mechanism of the effect of agkihpin on attenuating migration of liver cancer cell is unknown yet. Here, to learn more about agkihpin and explore the possibility of agkihpin as an anti-metastatic drug in the future, a series of experiments about the migration and invasion of liver cancer cells with agkihpin, HepG 2 and SMMC-7721, was conducted. Epithelial-mesenchymal transition (EMT) is an initial step and a major phenotype of cancer metastasis and invasion, while a number of EMT opposite phenomenons were observed, for example, epithelial marker E-cadherin was up-regulated, mesenchymal markers N-cadherin and Vimentin, and transcription regulators Snail and twist were down-regulated after treating with agkihpin in liver cancer cells; canonical Wnt/β-catenin pathway, one of the signals initiated EMT, was inhibited by decreased expressions of FZD7 and β-catenin, phosphorylation of GSK3β (Ser9), and nuclear β-catenin accumulation in agkihpin treated cancer cells. By using bioinformatics analysis and protease activity analysis in vitro we also found that agkihpin might bind and degrade FZD7. As a result, we hypothesized that agkihpin could inhibit the Wnt/β-catenin signaling pathway by cleaving FZD7, leading to the inactivation of the TCF/LEF transcription factor, which contributed to the inversion of EMT, and finally attenuated the migration and invasion of liver cancer cells. Therefore, our findings provided novel mechanistic insights into the role of SVAEs in liver cancer controlling, and raised the possibility that agkihpin may be used therapeutically in liver cancer.
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Affiliation(s)
- Miao Huang
- Radiology Department, Affiliated Tumor Hospital of Guangxi Medical University, Nanning, Guangxi, 530021, PR China
| | - Shengming Wu
- Department of Pathology, Affiliated Tumor Hospital of Guangxi Medical University, Nanning, Guangxi, 530021, PR China
| | - Qiping Hu
- Department of Cell Biology and Genetics, School of Pre-clinical Medicine, Guangxi medical university, Nanning, 530021, PR China.
| | - Huayu Wu
- Department of Cell Biology and Genetics, School of Pre-clinical Medicine, Guangxi medical university, Nanning, 530021, PR China
| | - Shu Wei
- Department of Cell Biology and Genetics, School of Pre-clinical Medicine, Guangxi medical university, Nanning, 530021, PR China
| | - Huiqiong Xie
- Department of Cell Biology and Genetics, School of Pre-clinical Medicine, Guangxi medical university, Nanning, 530021, PR China
| | - Kejian Sun
- Department of Cell Biology and Genetics, School of Pre-clinical Medicine, Guangxi medical university, Nanning, 530021, PR China
| | - Xiaolong Li
- Department of Cell Biology and Genetics, School of Pre-clinical Medicine, Guangxi medical university, Nanning, 530021, PR China
| | - Ling Fang
- Department of Cell Biology and Genetics, School of Pre-clinical Medicine, Guangxi medical university, Nanning, 530021, PR China
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Babkair H, Yamazaki M, Uddin MS, Maruyama S, Abé T, Essa A, Sumita Y, Ahsan MS, Swelam W, Cheng J, Saku T. Aberrant expression of the tight junction molecules claudin-1 and zonula occludens-1 mediates cell growth and invasion in oral squamous cell carcinoma. Hum Pathol 2016; 57:51-60. [PMID: 27436828 DOI: 10.1016/j.humpath.2016.07.001] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/17/2016] [Revised: 06/10/2016] [Accepted: 07/02/2016] [Indexed: 01/12/2023]
Abstract
We reported that altered cell contact mediated by E-cadherin is an initial event in the pathogenesis of oral epithelial malignancies. To assess other effects of cell adhesion, we examined the expression levels of tight junction (TJ) molecules in oral carcinoma in situ (CIS) and squamous cell carcinoma (SCC). To identify changes in the expression of TJ molecules, we conducted an analysis of the immunohistochemical profiles of claudin-1 (CLDN-1) and zonula occludens-1 (ZO-1) in surgical specimens acquired from patients with oral SCC containing foci of epithelial dysplasia or from patients with CIS. We used immunofluorescence, Western blotting, reverse-transcription polymerase chain reaction, and RNA interference to evaluate the functions of CLDN-1 and ZO-1 in cultured oral SCC cells. TJ molecules were not detected in normal oral epithelial tissues but were expressed in SCC/CIS cells. ZO-1 was localized within the nucleus of proliferating cells. When CLDN-1 expression was inhibited by transfecting cells with specific small interference RNAs, SCC cells dissociated, and their ability to proliferate and invade Matrigel was inhibited. In contrast, although RNA interference-mediated inhibition of ZO-1 expression did not affect cell morphology, it inhibited cell proliferation and invasiveness. Our findings indicated that the detection of TJ molecules in the oral epithelia may serve as a marker for the malignant phenotype of cells in which CLDN-1 regulates proliferation and invasion.
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Affiliation(s)
- Hamzah Babkair
- Division of Oral Pathology, Niigata University Graduate School of Medical and Dental Sciences, Niigata 951-8514, Japan; Division of Oral Pathology, Department of Oral Basic and Clinical Sciences, College of Dentistry, Taibah University, Medina 41311, Saudi Arabia
| | - Manabu Yamazaki
- Division of Oral Pathology, Niigata University Graduate School of Medical and Dental Sciences, Niigata 951-8514, Japan.
| | - Md Shihab Uddin
- Division of Oral Pathology, Niigata University Graduate School of Medical and Dental Sciences, Niigata 951-8514, Japan
| | - Satoshi Maruyama
- Oral Pathology Section, Department of Surgical Pathology, Niigata University Hospital, Niigata 951-8520, Japan
| | - Tatsuya Abé
- Division of Oral Pathology, Niigata University Graduate School of Medical and Dental Sciences, Niigata 951-8514, Japan; Oral Pathology Section, Department of Surgical Pathology, Niigata University Hospital, Niigata 951-8520, Japan
| | - Ahmed Essa
- Division of Oral Pathology, Niigata University Graduate School of Medical and Dental Sciences, Niigata 951-8514, Japan
| | - Yoshimasa Sumita
- Division of Oral Pathology, Niigata University Graduate School of Medical and Dental Sciences, Niigata 951-8514, Japan
| | - Md Shahidul Ahsan
- Division of Oral Pathology, Niigata University Graduate School of Medical and Dental Sciences, Niigata 951-8514, Japan
| | - Wael Swelam
- Division of Oral Pathology, Department of Oral Basic and Clinical Sciences, College of Dentistry, Taibah University, Medina 41311, Saudi Arabia
| | - Jun Cheng
- Division of Oral Pathology, Niigata University Graduate School of Medical and Dental Sciences, Niigata 951-8514, Japan
| | - Takashi Saku
- Division of Oral Pathology, Niigata University Graduate School of Medical and Dental Sciences, Niigata 951-8514, Japan; Oral Pathology Section, Department of Surgical Pathology, Niigata University Hospital, Niigata 951-8520, Japan
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49
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Salvador E, Burek M, Förster CY. Tight Junctions and the Tumor Microenvironment. CURRENT PATHOBIOLOGY REPORTS 2016; 4:135-145. [PMID: 27547510 PMCID: PMC4978755 DOI: 10.1007/s40139-016-0106-6] [Citation(s) in RCA: 57] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
PURPOSE OF REVIEW Tight junctions (TJs) are specialized differentiations of epithelial and endothelial cell membranes. TJs play an important role in the adhesion of cells and their interaction with each other. Most cancers originate from epithelial cells. Thus, it is of significance to examine the role of TJs in the tumor microenvironment (TME) and how they affect cancer metastasis. RECENT FINDINGS In epithelium-derived cancers, intactness of the primary tumor mass is influenced by intercellular structures as well as cell-to-cell adhesion. Irregularities of these factors may lead to tumor dissociation and subsequent metastasis. Low expression of TJs is observed among highly metastatic cancer cells. SUMMARY In this review, we summarized findings from current literature in consideration of the role of TJs in relation to the TME and cancer. Deeper understanding of the mechanisms leading to TJ dysregulation is needed to facilitate the design and conceptualization of new and better therapeutic strategies for cancer.
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Affiliation(s)
- Ellaine Salvador
- Department of Anesthesia and Critical Care, University of Wurzburg, Oberdürrbacher Straße 6, 97080 Würzburg, Germany
| | - Malgorzata Burek
- Department of Anesthesia and Critical Care, University of Wurzburg, Oberdürrbacher Straße 6, 97080 Würzburg, Germany
| | - Carola Y. Förster
- Department of Anesthesia and Critical Care, University of Wurzburg, Oberdürrbacher Straße 6, 97080 Würzburg, Germany
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50
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Gopal SK, Greening DW, Mathias RA, Ji H, Rai A, Chen M, Zhu HJ, Simpson RJ. YBX1/YB-1 induces partial EMT and tumourigenicity through secretion of angiogenic factors into the extracellular microenvironment. Oncotarget 2016; 6:13718-30. [PMID: 25980435 PMCID: PMC4537044 DOI: 10.18632/oncotarget.3764] [Citation(s) in RCA: 57] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2015] [Accepted: 04/10/2015] [Indexed: 01/22/2023] Open
Abstract
Epithelial-mesenchymal transition (EMT) describes a morphogenetic program which confers mesenchymal cell properties, such as reduced cell-cell contact and increased cell migration and invasion, to epithelial cells. Here we investigate the role of the pleiotropic transcription/splicing factor and RNA-binding protein nuclease-sensitive element-binding protein 1 (YBX1/YB-1) in increasing the oncogenic potential of epithelial MDCK cells. Characterization of MDCK cells expressing YBX1 (MDCKYBX1 cells) revealed a partial EMT phenotype, including cytosolic relocalization of E-cadherin, increased cell scattering, and anchorage-independent growth. Subcutaneous injection of parental MDCK cells into NOD/SCID mice did not form tumours. Critically, MDCKYBX1 cells established viable tumour xenografts, and immuno-histochemical staining indicated murine vascularization by CD31+ endothelial cells. We analysed the total secretome (containing soluble and extracellular vesicles) of MDCKYBX1 cells to investigate regulation of the tumour microenvironment. YBX1 expression elevated release of secreted factors known to enhance angiogenesis (TGF-β, CSF-1, NGF, VGF, ADAM9 and ADAM17), compared to MDCK cells. Importantly, treatment with MDCKYBX1 cell-derived secretome increased recipient 2F-2B endothelial cell motility. This defines YBX1 as an oncogenic enhancer that can regulate tumour angiogenesis via release of secreted modulators into the extracellular microenvironment.
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Affiliation(s)
- Shashi K Gopal
- Department of Molecular Science, La Trobe Institute for Molecular Science, La Trobe University, Melbourne, Victoria, Australia
| | - David W Greening
- Department of Molecular Science, La Trobe Institute for Molecular Science, La Trobe University, Melbourne, Victoria, Australia
| | - Rommel A Mathias
- Department of Molecular Science, La Trobe Institute for Molecular Science, La Trobe University, Melbourne, Victoria, Australia
| | - Hong Ji
- Department of Molecular Science, La Trobe Institute for Molecular Science, La Trobe University, Melbourne, Victoria, Australia
| | - Alin Rai
- Department of Molecular Science, La Trobe Institute for Molecular Science, La Trobe University, Melbourne, Victoria, Australia
| | - Maoshan Chen
- Department of Molecular Science, La Trobe Institute for Molecular Science, La Trobe University, Melbourne, Victoria, Australia
| | - Hong-Jian Zhu
- Department of Surgery, The University of Melbourne, Melbourne, Victoria, Australia
| | - Richard J Simpson
- Department of Molecular Science, La Trobe Institute for Molecular Science, La Trobe University, Melbourne, Victoria, Australia
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