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Interactions between 14-3-3 Proteins and Actin Cytoskeleton and Its Regulation by microRNAs and Long Non-Coding RNAs in Cancer. ENDOCRINES 2022. [DOI: 10.3390/endocrines3040057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
14-3-3s are a family of structurally similar proteins that bind to phosphoserine or phosphothreonine residues, forming the central signaling hub that coordinates or integrates various cellular functions, thereby controlling many pathways important in cancer, cell motility, cell death, cytoskeletal remodeling, neuro-degenerative disorders and many more. Their targets are present in all cellular compartments, and when they bind to proteins they alter their subcellular localization, stability, and molecular interactions with other proteins. Changes in environmental conditions that result in altered homeostasis trigger the interaction between 14-3-3 and other proteins to retrieve or rescue homeostasis. In circumstances where these regulatory proteins are dysregulated, it leads to pathological conditions. Therefore, deeper understanding is needed on how 14-3-3 proteins bind, and how these proteins are regulated or modified. This will help to detect disease in early stages or design inhibitors to block certain pathways. Recently, more research has been devoted to identifying the role of MicroRNAs, and long non-coding RNAs, which play an important role in regulating gene expression. Although there are many reviews on the role of 14-3-3 proteins in cancer, they do not provide a holistic view of the changes in the cell, which is the focus of this review. The unique feature of the review is that it not only focuses on how the 14-3-3 subunits associate and dissociate with their binding and regulatory proteins, but also includes the role of micro-RNAs and long non-coding RNAs and how they regulate 14-3-3 isoforms. The highlight of the review is that it focuses on the role of 14-3-3, actin, actin binding proteins and Rho GTPases in cancer, and how this complex is important for cell migration and invasion. Finally, the reader is provided with super-resolution high-clarity images of each subunit of the 14-3-3 protein family, further depicting their distribution in HeLa cells to illustrate their interactions in a cancer cell.
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Hypoxia Promotes Glioma Stem Cell Proliferation by Enhancing the 14-3-3β Expression via the PI3K Pathway. J Immunol Res 2022; 2022:5799776. [PMID: 35607406 PMCID: PMC9124136 DOI: 10.1155/2022/5799776] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Revised: 01/06/2022] [Accepted: 03/31/2022] [Indexed: 11/17/2022] Open
Abstract
Glioma is a serious fatal type of cancer with the shorter median survival period and poor quality of living. The overall 5-year survival rate remains low due to high recurrence rates. Glioma stem cells (GSCs) play the important roles in the development of gliomas. Examination of the numerous biomarkers or cancer-associated genes involved in the development or prevention of glioma may therefore serve the discovery of novel strategies to treat patients with glioma. Hypoxia induced by using CoCl2 application and 14-3-3β protein knockdown by specific small interfering RNA transfection were performed in GSCs both in vitro and in vivo to observe their role in glioma progression and metastasis occurrence by using western blot analysis and MTT assay. The results demonstrated that CoCl2 application enhanced the 14-3-3β protein expression and mRNA levels via the PI3K pathway in GSCs. Furthermore, hypoxia promoted GSC cell proliferation and activated the expression of proliferating cell nuclear antigen, which was inhibited following 14-3-3β knockdown. In addition, tumor growth in mice was enhanced by CoCl2 application but reversed following 14-3-3β knockdown, which also enhanced GSC cell apoptosis. In conclusion, the present study demonstrated that hypoxia promoted glioma growth both in vitro and in vivo by increasing the 14-3-3β expression via the PI3K signaling pathway. 14-3-3β and HIF-1α may therefore be considered as the potential therapeutic target to treat patients with glioma.
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Dysregulation of peripheral expression of the YWHA genes during conversion to psychosis. Sci Rep 2020; 10:9863. [PMID: 32555255 PMCID: PMC7299951 DOI: 10.1038/s41598-020-66901-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2019] [Accepted: 05/04/2020] [Indexed: 12/01/2022] Open
Abstract
The seven human 14-3-3 proteins are encoded by the YWHA-gene family. They are expressed in the brain where they play multiple roles including the modulation of synaptic plasticity and neuronal development. Previous studies have provided arguments for their involvement in schizophrenia, but their role during disease onset is unknown. We explored the peripheral-blood expression level of the seven YWHA genes in 92 young individuals at ultra-high risk for psychosis (UHR). During the study, 36 participants converted to psychosis (converters) while 56 did not (non-converters). YWHA genes expression was evaluated at baseline and after a mean follow-up of 10.3 months using multiplex quantitative PCR. Compared with non-converters, the converters had a significantly higher baseline expression levels for 5 YWHA family genes, and significantly different longitudinal changes in the expression of YWHAE, YWHAG, YWHAH, YWHAS and YWAHZ. A principal-component analysis also indicated that the YWHA expression was significantly different between converters and non-converters suggesting a dysregulation of the YWHA co-expression network. Although these results were obtained from peripheral blood which indirectly reflects brain chemistry, they indicate that this gene family may play a role in psychosis onset, opening the way to the identification of prognostic biomarkers or new drug targets.
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Yi M, Xu L, Jiao Y, Luo S, Li A, Wu K. The role of cancer-derived microRNAs in cancer immune escape. J Hematol Oncol 2020; 13:25. [PMID: 32222150 PMCID: PMC7103070 DOI: 10.1186/s13045-020-00848-8] [Citation(s) in RCA: 137] [Impact Index Per Article: 34.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2019] [Accepted: 02/14/2020] [Indexed: 12/18/2022] Open
Abstract
During malignant transformation, accumulated somatic mutations endow cancer cells with increased invasiveness and immunogenicity. Under selective pressure, these highly immunogenic cancer cells develop multiple strategies to evade immune attack. It has been well established that cancer cells could downregulate the expression of major histocompatibility complex, acquire alterations in interferon pathway, and upregulate the activities of immune checkpoint pathways. Besides, cancer cells secret numerous cytokines, exosomes, and microvesicles to regulate the functions and abundances of components in the tumor microenvironment including immune effector cells and professional antigen presentation cells. As the vital determinant of post-transcriptional regulation, microRNAs (miRNAs) not only participate in cancer initiation and progression but also regulate anti-cancer immune response. For instance, some miRNAs affect cancer immune surveillance and immune escape by interfering the expression of immune attack-associated molecules. A growing body of evidence indicated that cancer-derived immune modulatory miRNAs might be promising targets to counteract cancer immune escape. In this review, we summarized the role of some miRNAs in cancer immune escape and discussed their potential clinical application as treatment targets.
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Affiliation(s)
- Ming Yi
- Department of Oncology, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030 China
| | - Linping Xu
- Department of Medical Oncology, The Affiliated Cancer Hospital of Zhengzhou University & Henan Cancer Hospital, Zhengzhou, 450008 China
| | - Ying Jiao
- Department of Oncology, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030 China
| | - Suxia Luo
- Department of Medical Oncology, The Affiliated Cancer Hospital of Zhengzhou University & Henan Cancer Hospital, Zhengzhou, 450008 China
| | - Anping Li
- Department of Medical Oncology, The Affiliated Cancer Hospital of Zhengzhou University & Henan Cancer Hospital, Zhengzhou, 450008 China
| | - Kongming Wu
- Department of Oncology, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030 China
- Department of Medical Oncology, The Affiliated Cancer Hospital of Zhengzhou University & Henan Cancer Hospital, Zhengzhou, 450008 China
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5
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Fänder J, Kielstein H, Büttner M, Koelblinger P, Dummer R, Bauer M, Handke D, Wickenhauser C, Seliger B, Jasinski-Bergner S. Characterizing CD44 regulatory microRNAs as putative therapeutic agents in human melanoma. Oncotarget 2019; 10:6509-6525. [PMID: 31741714 PMCID: PMC6849650 DOI: 10.18632/oncotarget.27305] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2019] [Accepted: 10/21/2019] [Indexed: 01/22/2023] Open
Abstract
The multistructural and multifunctional transmembrane glycoprotein CD44 is overexpressed in many tumors of distinct origin including malignant melanoma and contributes to a poor prognosis by affecting cell proliferation, cell migration, and also the sensitivity for apoptosis induction. Previous studies reported so far 15 CD44 regulatory microRNAs (miRs) in different cell systems. Using a novel method for miR affinity purification miR-143-3p was identified as most potent binder to the 3' untranslated region (UTR) of CD44. Overexpression of miR-143-3p in melanoma cells inhibits CD44 translation, which is accompanied by a reduced proliferation, migration and enhanced daunorubicin induced apoptosis of melanoma cells in vitro. Analyses of discordant CD44 and miR-143-3p expression levels in human melanocytic nevi and dermal melanoma samples demonstrated medium to high CD44 levels with no association to tumor grading or staging. The CD44 expression correlated to PD-L1, but not to MART-1 expression in malignant melanoma. Interestingly, the CD44 expression was inversely correlated to the infiltration of pro-inflammatory immune effector cells. In conclusion, the tumor suppressive miR-143-3p was identified as the most potent CD44 inhibitory miR, which affects growth characteristics of melanoma cells suggesting the implementation of miR-143-3p as as a potential anti-CD44 therapy of malignant melanoma.
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Affiliation(s)
- Johannes Fänder
- Institute of Anatomy and Cell Biology, Faculty of Medicine, Martin Luther University Halle-Wittenberg, Halle, Germany
| | - Heike Kielstein
- Institute of Anatomy and Cell Biology, Faculty of Medicine, Martin Luther University Halle-Wittenberg, Halle, Germany
| | - Maximilian Büttner
- Institute of Anatomy and Cell Biology, Faculty of Medicine, Martin Luther University Halle-Wittenberg, Halle, Germany
| | - Peter Koelblinger
- Department of Dermatology, Paracelsus Medical University, Salzburg, Austria
| | - Reinhard Dummer
- Department of Dermatology, University Hospital of Zurich, Zurich, Switzerland
| | - Marcus Bauer
- Institute for Pathology, Faculty of Medicine, Martin Luther University Halle-Wittenberg, Halle, Germany
| | - Diana Handke
- Institute for Medical Immunology, Faculty of Medicine, Martin Luther University Halle-Wittenberg, Halle, Germany
| | - Claudia Wickenhauser
- Institute for Pathology, Faculty of Medicine, Martin Luther University Halle-Wittenberg, Halle, Germany
| | - Barbara Seliger
- Institute for Medical Immunology, Faculty of Medicine, Martin Luther University Halle-Wittenberg, Halle, Germany
| | - Simon Jasinski-Bergner
- Institute of Anatomy and Cell Biology, Faculty of Medicine, Martin Luther University Halle-Wittenberg, Halle, Germany.,Institute for Medical Immunology, Faculty of Medicine, Martin Luther University Halle-Wittenberg, Halle, Germany
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Label-free Quantitative Analysis of Protein Expression Alterations in miR-26a-Knockout HeLa Cells using SWATH-MS Technology. Sci Rep 2019; 9:1399. [PMID: 30718521 PMCID: PMC6362012 DOI: 10.1038/s41598-018-34904-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2018] [Accepted: 10/24/2018] [Indexed: 12/20/2022] Open
Abstract
MicroRNAs (miRNAs) bind to the 3ʹ-untranslated region of target mRNAs in a sequence-specific manner and subsequently repress gene translation. Human miR-26a has been studied extensively, but the target transcripts are far from complete. We first employed the CRISPR-Cas9 system to generate an miR-26a-knockout line in human cervical cancer HeLa cells. The miR26a-knockout line showed increased cell growth and altered proliferation. Proteomics technology of sequential window acquisition of all theoretical mass spectra (SWATH-MS) was utilized to compare the protein abundance between the wild-type and the knockout lines, with an attempt to identify transcripts whose translation was influenced by miR-26a. Functional classification of the proteins with significant changes revealed their function in stress response, proliferation, localization, development, signaling, etc. Several proteins in the cell cycle/proliferation signaling pathway were chosen to be validated by western blot and parallel reaction monitoring (PRM). The satisfactory consistency among the three approaches indicated the reliability of the SWATH-MS quantification. Among the computationally predicted targets, a subset of the targets was directly regulated by miR-26a, as demonstrated by luciferase assays and Western blotting. This study creates an inventory of miR-26a-targeted transcripts in HeLa cells and provides fundamental knowledge to further explore the functions of miR-26a in human cancer.
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Jasinski-Bergner S, Kielstein H. Adipokines Regulate the Expression of Tumor-Relevant MicroRNAs. Obes Facts 2019; 12:211-225. [PMID: 30999294 PMCID: PMC6547259 DOI: 10.1159/000496625] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/19/2018] [Accepted: 01/05/2019] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Increasing prevalence of obesity requires the investigation of respective comorbidities, including tumor diseases like colorectal, renal, post-menopausal breast, prostate cancer, and leukemia. To date, molecular mechanisms of the malignant transformation of these peripheral tissues induced by obesity remain unclear. Adipose tissue secretes factors with hormone-like functions, the adipokines, and is therefore categorized as an endocrine organ. Current research demonstrates the ability of adipose tissue to alter DNA methylation and gene expression in peripheral tissues, probably affecting microRNA (miR) expression. METHODS Literature was analyzed for adipokine-regulated miRs. Many of these adipokine upregulated or downregulated miRs exert either oncogenic or anti-tumoral potential. RESULTS The three selected and analyzed adipokines, adiponectin, leptin, and resistin, induce more strongly oncogenic miRs and simultaneously reduce anti-tumoral miRs than vice versa. This effect is not only true for the pure number of regulated miRs, it is also the case by consideration of the abundance of the respective miR expression based on actual data sets derived from next-generation sequencing. CONCLUSION The link of obesity and cancer is analyzed under the aspect of adipokine-regulated miRs. At the same time the impact of miR abundance is considered as a regulatory variable. This context offers new strategies for tumor therapy and diagnostics.
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Affiliation(s)
- Simon Jasinski-Bergner
- Department of Anatomy and Cell Biology, Faculty of Medicine, Martin Luther University Halle-Wittenberg, Halle (Saale), Germany,
| | - Heike Kielstein
- Department of Anatomy and Cell Biology, Faculty of Medicine, Martin Luther University Halle-Wittenberg, Halle (Saale), Germany
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Jasinski-Bergner S, Reches A, Stoehr C, Massa C, Gonschorek E, Huettelmaier S, Braun J, Wach S, Wullich B, Spath V, Wang E, Marincola FM, Mandelboim O, Hartmann A, Seliger B. Identification of novel microRNAs regulating HLA-G expression and investigating their clinical relevance in renal cell carcinoma. Oncotarget 2018; 7:26866-78. [PMID: 27057628 PMCID: PMC5042021 DOI: 10.18632/oncotarget.8567] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2015] [Accepted: 03/11/2016] [Indexed: 12/18/2022] Open
Abstract
The non-classical human leukocyte antigen G (HLA-G) is expressed at a high frequency in renal cell carcinoma (RCC) and is associated with a higher tumor grade and a poor clinical outcome. This might be caused by the HLA-G-mediated inhibition of the cytotoxicity of T and NK cells. Therefore a selective targeting of HLA-G might represent a powerful strategy to enhance the immunogenicity of RCC lesions. Recent studies identified a number of HLA-G-regulating microRNAs (miRs) and demonstrated an inverse expression of some of these miRs with HLA-G in RCC in vitro and in vivo. However, it was postulated that further miRs might exist contributing to the tightly controlled selective HLA-G expression.By application of a miR enrichment assay (miTRAP) in combination with in silico profiling two novel HLA-G-regulatory miRs, miR-548q and miR-628-5p, were identified. Direct interactions of both miRs with the 3' untranslated region of HLA-G were confirmed with luciferase reporter gene assays. In addition, qPCR analyses and immunohistochemical staining revealed an inverse, expression of miR-628-5p, but not of miR-548q to the HLA-G protein in primary RCC lesions and cell lines. Stable overexpression of miR-548q and miR-628-5p caused a downregulation of HLA-G mRNA and protein. This leads in case of miR-548q to an enhanced NK cell-mediated HLA-G-dependent cytotoxicity, which could be reverted by ILT2 blockade suggesting a control of the immune effector cell activity at least by this miR. The identification of two novel HLA-G-regulatory miRs extends the number of HLA-G-relevant miRs tuning the HLA-G expression and might serve as future therapeutic targets.
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Affiliation(s)
- Simon Jasinski-Bergner
- Institute of Medical Immunology, Martin Luther University Halle-Wittenberg, Halle, Germany
| | - Adi Reches
- Faculty of Medicine, The Hebrew University of Jerusalem, Ein Kerem, Jerusalem, Israel
| | - Christine Stoehr
- Institute of Pathology, Friedrich Alexander University Erlangen-Nuremberg, Erlangen, Germany
| | - Chiara Massa
- Institute of Medical Immunology, Martin Luther University Halle-Wittenberg, Halle, Germany
| | - Evamaria Gonschorek
- Institute of Medical Immunology, Martin Luther University Halle-Wittenberg, Halle, Germany
| | - Stefan Huettelmaier
- Institute of Molecular Medicine, Martin Luther University Halle-Wittenberg, Halle, Germany
| | - Juliane Braun
- Institute of Molecular Medicine, Martin Luther University Halle-Wittenberg, Halle, Germany
| | - Sven Wach
- Clinic of Urology, Friedrich Alexander University Erlangen-Nuremberg, Erlangen, Germany
| | - Bernd Wullich
- Clinic of Urology, Friedrich Alexander University Erlangen-Nuremberg, Erlangen, Germany
| | - Verena Spath
- Faculty of Medicine, The Hebrew University of Jerusalem, Ein Kerem, Jerusalem, Israel
| | - Ena Wang
- Sidra Medical and Research Center, Qatar Foundation, Doha, Qatar
| | | | - Ofer Mandelboim
- Faculty of Medicine, The Hebrew University of Jerusalem, Ein Kerem, Jerusalem, Israel
| | - Arndt Hartmann
- Institute of Pathology, Friedrich Alexander University Erlangen-Nuremberg, Erlangen, Germany
| | - Barbara Seliger
- Institute of Medical Immunology, Martin Luther University Halle-Wittenberg, Halle, Germany
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Lennicke C, Rahn J, Wickenhauser C, Lichtenfels R, Müller AS, Wessjohann LA, Kipp AP, Seliger B. Loss of epithelium-specific GPx2 results in aberrant cell fate decisions during intestinal differentiation. Oncotarget 2017; 9:539-552. [PMID: 29416634 PMCID: PMC5787487 DOI: 10.18632/oncotarget.22640] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2017] [Accepted: 10/27/2017] [Indexed: 01/07/2023] Open
Abstract
The selenoprotein glutathione peroxidase 2 (GPx2) is expressed in the epithelium of the gastrointestinal tract, where it is thought to be involved in maintaining mucosal homeostasis. To gain novel insights into the role of GPx2, proteomic profiles of colonic tissues either derived from wild type (WT) or GPx2 knockout (KO) mice, maintained under selenium (Se) deficiency or adequate Se supplementation conditions were established and analyzed. Amongst the panel of differentially expressed proteins, the calcium-activated chloride channel regulator 1 (CLCA1) was significantly down-regulated in GPx2 KO versus WT mice regardless of the given Se status. Moreover, transcript levels of the isoforms CLCA2 and CLCA3 showed a similar expression pattern. In the intestine, CLCA1 is usually restricted to mucin-producing goblet cells. However, although -SeKO mice had the highest numbers of goblet cells as confirmed by significantly enhanced mRNA expression levels of the goblet cell marker mucin-2, the observed expression pattern suggests that GPx2 KO goblet cells might be limited in synthesizing CLCA1. Furthermore, transcript levels of differentiation markers such as chromogranin-1 (Chga) for enteroendocrine cells and leucine-rich repeat-containing G-protein coupled receptor 5 (Lgr5) for stem cells were also downregulated in GPx2 KO mice. Moreover, this was accompanied by a downregulation of the mRNA expression levels of the intestinal hormones glucagon-like peptide 1 (Glp1), ghrelin (Ghrl) and somatostatin (Sst). Thus, it seems that GPx2 might be important for the modulation of cell fate decisions in the murine intestinal epithelium.
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Affiliation(s)
- Claudia Lennicke
- Institute of Medical Immunology, Martin Luther University Halle-Wittenberg, 06112 Halle (Saale), Germany
| | - Jette Rahn
- Institute of Medical Immunology, Martin Luther University Halle-Wittenberg, 06112 Halle (Saale), Germany
| | - Claudia Wickenhauser
- Institute of Pathology, Martin Luther University Halle-Wittenberg, 06112 Halle (Saale), Germany
| | - Rudolf Lichtenfels
- Institute of Medical Immunology, Martin Luther University Halle-Wittenberg, 06112 Halle (Saale), Germany
| | | | - Ludger A Wessjohann
- Department of Bioorganic Chemistry, Leibniz-Institute of Plant Biochemistry, 06120 Halle (Saale), Germany
| | - Anna P Kipp
- Institute of Nutrition, Friedrich Schiller University Jena, 07743 Jena, Germany
| | - Barbara Seliger
- Institute of Medical Immunology, Martin Luther University Halle-Wittenberg, 06112 Halle (Saale), Germany
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Friedrich M, Pracht K, Mashreghi MF, Jäck HM, Radbruch A, Seliger B. The role of the miR-148/-152 family in physiology and disease. Eur J Immunol 2017; 47:2026-2038. [DOI: 10.1002/eji.201747132] [Citation(s) in RCA: 67] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2017] [Revised: 07/30/2017] [Accepted: 09/01/2017] [Indexed: 12/14/2022]
Affiliation(s)
- Michael Friedrich
- Institute of Medical Immunology; Martin-Luther-University Halle-Wittenberg; Halle/Saale Germany
| | - Katharina Pracht
- Division of Molecular Immunology; Nikolaus-Fiebiger Center; Department of Internal Medicine III; University of Erlangen-Nürnberg; Erlangen Germany
| | | | - Hans-Martin Jäck
- Division of Molecular Immunology; Nikolaus-Fiebiger Center; Department of Internal Medicine III; University of Erlangen-Nürnberg; Erlangen Germany
| | | | - Barbara Seliger
- Institute of Medical Immunology; Martin-Luther-University Halle-Wittenberg; Halle/Saale Germany
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11
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Feng L, Ma X, Wang J, Tian Q. Up-regulation of 14-3-3β plays a role in intimal hyperplasia following carotid artery injury in diabetic Sprague Dawley rats by promoting endothelial cell migration and proliferation. Biochem Biophys Res Commun 2017; 490:1237-1243. [DOI: 10.1016/j.bbrc.2017.06.199] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2017] [Accepted: 06/30/2017] [Indexed: 12/16/2022]
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12
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Seliger B. Immune modulatory microRNAs as a novel mechanism to revert immune escape of tumors. Cytokine Growth Factor Rev 2017; 36:49-56. [DOI: 10.1016/j.cytogfr.2017.07.001] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2017] [Accepted: 07/11/2017] [Indexed: 12/17/2022]
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13
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Rahn J, Lennicke C, Kipp AP, Müller AS, Wessjohann LA, Lichtenfels R, Seliger B. Altered protein expression pattern in colon tissue of mice upon supplementation with distinct selenium compounds. Proteomics 2017; 17. [DOI: 10.1002/pmic.201600486] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2016] [Revised: 03/16/2017] [Accepted: 04/11/2017] [Indexed: 12/19/2022]
Affiliation(s)
- Jette Rahn
- Institute of Medical Immunology; Martin Luther University Halle-Wittenberg; Halle (Saale) Germany
| | - Claudia Lennicke
- Institute of Medical Immunology; Martin Luther University Halle-Wittenberg; Halle (Saale) Germany
| | - Anna P. Kipp
- German Institute of Human Nutrition; Potsdam-Rehbrücke; Nuthetal Germany
| | - Andreas S. Müller
- Institute of Agricultural and Nutritional Sciences; Martin Luther University Halle-Wittenberg; Halle (Saale) Germany
- Delacon Biotechnik GmbH; Steyregg Austria
| | | | - Rudolf Lichtenfels
- Institute of Medical Immunology; Martin Luther University Halle-Wittenberg; Halle (Saale) Germany
| | - Barbara Seliger
- Institute of Medical Immunology; Martin Luther University Halle-Wittenberg; Halle (Saale) Germany
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14
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Lennicke C, Rahn J, Bukur J, Hochgräfe F, Wessjohann LA, Lichtenfels R, Seliger B. Modulation of MHC class I surface expression in B16F10 melanoma cells by methylseleninic acid. Oncoimmunology 2016; 6:e1259049. [PMID: 28680742 DOI: 10.1080/2162402x.2016.1259049] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2016] [Revised: 11/04/2016] [Accepted: 11/04/2016] [Indexed: 10/20/2022] Open
Abstract
The essential trace element selenium (Se) might play a role in cancer prevention as well as for cancer therapy. Its metabolite methylselenol is able to kill cells through distinct mechanisms including induction of reactive oxygen species, DNA damage and apoptosis. Since methylselenol affects innate immune responses by modulating the expression of NKG2D ligands, the aim of this study was to determine whether the methylselenol generating compound methylseleninic acid (MSA) influences the expression of the MHC class I surface antigens and growth properties thereby reverting immune escape. Treatment of B16F10 melanoma cells expressing low basal MHC class I surface antigens with dimethyldiselenide (DMDSe) and MSA, but not with selenomethionine and selenite resulted in a dose-dependent upregulation of MHC class I cell surface antigens. This was due to a transcriptional upregulation of some major components of the antigen processing machinery (APM) and the interferon (IFN) signaling pathway and accompanied by a reduced migration of B16F10 melanoma cells in the presence of MSA. Comparative "ome"-based profilings of untreated and MSA-treated melanoma cells linked the anti-oxidative response system with MHC class I antigen processing. Since MSA treatment enhanced MHC class I surface expression also on different human tumors cell lines, MSA might affect the malignant phenotype of various tumor cells by restoring MHC class I APM component expression due to an altered redox status and by partially mimicking IFN-gamma signaling thereby providing a novel mechanism for the chemotherapeutic potential of methylselenol generating Se compounds.
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Affiliation(s)
- Claudia Lennicke
- Institute of Medical Immunology, Martin Luther University Halle-Wittenberg, Halle (Saale), Germany
| | - Jette Rahn
- Institute of Medical Immunology, Martin Luther University Halle-Wittenberg, Halle (Saale), Germany
| | - Jürgen Bukur
- Institute of Medical Immunology, Martin Luther University Halle-Wittenberg, Halle (Saale), Germany
| | - Falko Hochgräfe
- Junior Research Group Pathoproteomics, Competence Center Functional Genomics, University of Greifswald, Greifswald, Germany
| | | | - Rudolf Lichtenfels
- Institute of Medical Immunology, Martin Luther University Halle-Wittenberg, Halle (Saale), Germany
| | - Barbara Seliger
- Institute of Medical Immunology, Martin Luther University Halle-Wittenberg, Halle (Saale), Germany
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15
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Seliger B, Jasinski-Bergner S, Quandt D, Stoehr C, Bukur J, Wach S, Legal W, Taubert H, Wullich B, Hartmann A. HLA-E expression and its clinical relevance in human renal cell carcinoma. Oncotarget 2016; 7:67360-67372. [PMID: 27589686 PMCID: PMC5341881 DOI: 10.18632/oncotarget.11744] [Citation(s) in RCA: 35] [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: 04/11/2016] [Accepted: 07/27/2016] [Indexed: 01/04/2023] Open
Abstract
The non-classical human leukocyte antigen E (HLA-E) expression is frequently overexpressed in tumor diseases, transplants and virus-infected cells and represents an immunomodulatory molecule by binding to the receptors CD94/NKG2A, -B and -C on NK and T cells. Due to its immune suppressive features HLA-E expression might represent an important mechanism of tumors to escape immune surveillance.While an aberrant expression of the non-classical HLA-G antigen in human renal cell carcinoma (RCC) has been demonstrated to be associated with a worse outcome of patients and reduced sensitivity to immune effector cell-mediated cytotoxicity, the expression and function of HLA-E has not yet been analyzed in this tumor entity.Higher levels of HLA-E transcripts were detected in all RCC cell lines and tumor lesions, which were tested in comparison to normal kidney epithelium. Immunohistochemical staining of a tissue microarray (TMA) using the HLA-E-specific monoclonal antibody TFL-033 recognizing the cytoplasmic HLA-E α-chain as monomer revealed a heterogeneous HLA-E expression in RCC lesions with the highest frequency in chromophobe RCC when compared to other RCC subtypes. HLA-E expression did not correlate with the frequency of CD3+, CD4+, CD8+ and FoxP3+ immune cell infiltrations, but showed an inverse correlation with infiltrating CD56+ cells. In contrast to HLA-G, HLA-E expression in RCCs was not statistically significant associated with a decreased disease specific survival. These data suggest that HLA-E overexpression frequently occurs in RCC and correlates with reduced immunogenicity.
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Affiliation(s)
- Barbara Seliger
- Institute of Medical Immunology, Martin-Luther-University, Halle-Wittenberg, Germany
| | | | - Dagmar Quandt
- Institute of Medical Immunology, Martin-Luther-University, Halle-Wittenberg, Germany
| | - Christine Stoehr
- Institute of Pathology, Friedrich-Alexander-University, Erlangen-Nuremberg, Germany
| | - Juergen Bukur
- Institute of Medical Immunology, Martin-Luther-University, Halle-Wittenberg, Germany
| | - Sven Wach
- Clinics for Urology, Friedrich-Alexander-University, Erlangen-Nuremberg, Germany
| | - Wolfgang Legal
- Clinics for Urology, Friedrich-Alexander-University, Erlangen-Nuremberg, Germany
| | - Helge Taubert
- Clinics for Urology, Friedrich-Alexander-University, Erlangen-Nuremberg, Germany
| | - Bernd Wullich
- Clinics for Urology, Friedrich-Alexander-University, Erlangen-Nuremberg, Germany
| | - Arndt Hartmann
- Institute of Pathology, Friedrich-Alexander-University, Erlangen-Nuremberg, Germany
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Lennicke C, Rahn J, Kipp AP, Dojčinović BP, Müller AS, Wessjohann LA, Lichtenfels R, Seliger B. Individual effects of different selenocompounds on the hepatic proteome and energy metabolism of mice. Biochim Biophys Acta Gen Subj 2016; 1861:3323-3334. [PMID: 27565357 DOI: 10.1016/j.bbagen.2016.08.015] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2016] [Revised: 08/11/2016] [Accepted: 08/22/2016] [Indexed: 11/18/2022]
Abstract
BACKGROUND Selenium (Se) exerts its biological activity largely via selenoproteins, which are key enzymes for maintaining the cellular redox homeostasis. However, besides these beneficial effects there is also evidence that an oversupply of Se might increase the risk towards developing metabolic disorders. To address this in more detail, we directly compared effects of feeding distinct Se compounds and concentrations on hepatic metabolism and expression profiles of mice. METHODS Male C57BL6/J mice received either a selenium-deficient diet or diets enriched with adequate or high doses of selenite, selenate or selenomethionine for 20weeks. Subsequently, metabolic parameters, enzymatic activities and expression levels of hepatic selenoproteins, Nrf2 targets, and additional redox-sensitive proteins were analyzed. Furthermore, 2D-DIGE-based proteomic profiling revealed Se compound-specific differentially expressed proteins. RESULTS Whereas heterogeneous effects between high concentrations of the Se compounds were observed with regard to body weight and metabolic activities, selenoproteins were only marginally increased by high Se concentrations in comparison to the respective adequate feeding. In particular the high-SeMet group showed a unique response compromising higher hepatic Se levels in comparison to all other groups. Accordingly, hepatic glutathione (GSH) levels, glutathione S-transferase (GST) activity, and GSTpi1 expression were comparably high in the high-SeMet and Se-deficient group, indicating that compound-specific effects of high doses appear to be independent of selenoproteins. CONCLUSIONS Not only the nature, but also the concentration of Se compounds differentially affect biological processes. GENERAL SIGNIFICANCE Thus, it is important to consider Se compound-specific effects when supplementing with selenium.
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Affiliation(s)
- Claudia Lennicke
- Institute of Medical Immunology, Martin Luther University Halle-Wittenberg, 06112 Halle (Saale), Germany
| | - Jette Rahn
- Institute of Medical Immunology, Martin Luther University Halle-Wittenberg, 06112 Halle (Saale), Germany
| | - Anna P Kipp
- German Institute of Human Nutrition, Potsdam-Rehbruecke, 14558 Nuthetal, Germany
| | - Biljana P Dojčinović
- University of Belgrade, Institute of Chemistry, Technology and Metallurgy, Center of Chemistry, Belgrade, Serbia
| | - Andreas S Müller
- Institute of Agricultural and Nutritional Sciences, Martin Luther University Halle-Wittenberg, Halle (Saale), Germany; Delacon Biotechnik GmbH, 4221 Steyregg, Austria
| | | | - Rudolf Lichtenfels
- Institute of Medical Immunology, Martin Luther University Halle-Wittenberg, 06112 Halle (Saale), Germany
| | - Barbara Seliger
- Institute of Medical Immunology, Martin Luther University Halle-Wittenberg, 06112 Halle (Saale), Germany.
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Rothe K, Quandt D, Schubert K, Rossol M, Klingner M, Jasinski-Bergner S, Scholz R, Seliger B, Pierer M, Baerwald C, Wagner U. Latent Cytomegalovirus Infection in Rheumatoid Arthritis and Increased Frequencies of Cytolytic LIR-1+CD8+ T Cells. Arthritis Rheumatol 2016; 68:337-46. [PMID: 26314621 PMCID: PMC5066744 DOI: 10.1002/art.39331] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2015] [Accepted: 08/11/2015] [Indexed: 12/14/2022]
Abstract
Objective Leukocyte immunoglobulin‐like receptor 1 (LIR‐1) is up‐regulated by cytomegalovirus (CMV), which in turn, has been associated with premature aging and more severe joint disease in patients with rheumatoid arthritis (RA). The aim of this study was to investigate the expression and functional significance of LIR‐1 in CMV‐positive RA patients. Methods We determined the phenotype, cytolytic potential, CMV‐specific proliferation, and HLA–G–triggered, LIR‐1–mediated inhibition of interferon‐γ secretion of LIR‐1+ T cells in RA patients and healthy controls. Results We found increased frequencies of CD8+ T cells with CMV pp65–specific T cell receptors in CMV‐positive RA patients as compared to CMV‐positive healthy controls. CMV‐specific CD8+ T cells in these patients were preferentially LIR‐1+ and exhibited a terminally differentiated polyfunctional phenotype. The numbers of LIR‐1+CD8+ T cells increased with age and disease activity, and showed high levels of reactivity to CMV antigens. Ligation of LIR‐1 with soluble HLA–G molecules in vitro confirmed an inhibitory role of the molecule when expressed on CD8+ T cells in RA patients. Conclusion We propose that latent CMV infection in the context of a chronic autoimmune response induces the recently described “chronic infection phenotype” in CD8+ T cells, which retains anti‐infectious effector features while exhibiting autoreactive cytolytic potential. This response is likely dampened by LIR‐1 to avoid overwhelming immunopathologic changes in the setting of the autoimmune disease RA. The known deficiency of soluble HLA–G in RA and the observed association of LIR‐1 expression with disease activity suggest, however, that LIR‐1+ T cells are insufficiently controlled in RA and are still likely to be involved in the pathogenesis of the disease.
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Seliger B. Role of microRNAs on HLA-G expression in human tumors. Hum Immunol 2016; 77:760-3. [PMID: 27142884 DOI: 10.1016/j.humimm.2016.04.006] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2016] [Accepted: 04/05/2016] [Indexed: 12/21/2022]
Abstract
The non-classical human leukocyte antigen G (HLA-G) known to protect the embryo from immune cell destruction leading to fetal maternal tolerance is often overexpressed in human tumors of distinct origin thereby leading to an escape from T and NK cell-mediated immune response. The molecular mechanisms controlling HLA-G expression are complex and involve deregulation at the transcriptional, epigenetic and posttranscriptional level. Using bioinformatics and high through put analyses a number of microRNAs (miRs) have been identified, which were able to bind to the 3' UTR of HLA-G with distinct efficacy. This caused by a downregulation of HLA-G surface expression, which was associated with an increased immune response thereby overcoming the HLA-G-mediated immune tolerance. Reduced expression of HLA-G-specific miRs was associated with tumor progression and metastases and appear to affect directly or indirectly tumor characteristics, such as cell proliferation, apoptosis and resistance to chemotherapy. Recently, an interaction between long non-coding RNAs, such as HOTAIR, and HLA-G-specific miRs has also been demonstrated. This review summarizes the control of HLA-G expression and function by microRNAs as well as its clinical significance.
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Affiliation(s)
- Barbara Seliger
- Institute of Medical Immunology, Martin Luther University Halle-Wittenberg, Halle, Germany.
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Babula JJ, Liu JY. Integrate Omics Data and Molecular Dynamics Simulations toward Better Understanding of Human 14-3-3 Interactomes and Better Drugs for Cancer Therapy. J Genet Genomics 2015; 42:531-547. [PMID: 26554908 DOI: 10.1016/j.jgg.2015.09.002] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2015] [Revised: 09/03/2015] [Accepted: 09/03/2015] [Indexed: 12/13/2022]
Abstract
The 14-3-3 protein family is among the most extensively studied, yet still largely mysterious protein families in mammals to date. As they are well recognized for their roles in apoptosis, cell cycle regulation, and proliferation in healthy cells, aberrant 14-3-3 expression has unsurprisingly emerged as instrumental in the development of many cancers and in prognosis. Interestingly, while the seven known 14-3-3 isoforms in humans have many similar functions across cell types, evidence of isoform-specific functions and localization has been observed in both healthy and diseased cells. The strikingly high similarity among 14-3-3 isoforms has made it difficult to delineate isoform-specific functions and for isoform-specific targeting. Here, we review our knowledge of 14-3-3 interactome(s) generated by high-throughput techniques, bioinformatics, structural genomics and chemical genomics and point out that integrating the information with molecular dynamics (MD) simulations may bring us new opportunity to the design of isoform-specific inhibitors, which can not only be used as powerful research tools for delineating distinct interactomes of individual 14-3-3 isoforms, but also can serve as potential new anti-cancer drugs that selectively target aberrant 14-3-3 isoform.
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Affiliation(s)
- JoAnne J Babula
- Department of Pharmacology and Toxicology, Indiana University School of Medicine, 980 W. Walnut Street, Indianapolis, IN 46202, USA
| | - Jing-Yuan Liu
- Department of Pharmacology and Toxicology, Indiana University School of Medicine, 980 W. Walnut Street, Indianapolis, IN 46202, USA; Department of Computer and Information Science, Indiana University Purdue University Indianapolis, 723 W. Michigan St., Indianapolis, IN 46202, USA.
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Ebrahimi A, Sadroddiny E. MicroRNAs in lung diseases: Recent findings and their pathophysiological implications. Pulm Pharmacol Ther 2015; 34:55-63. [PMID: 26319446 DOI: 10.1016/j.pupt.2015.08.007] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/17/2015] [Revised: 08/04/2015] [Accepted: 08/24/2015] [Indexed: 12/14/2022]
Abstract
Lung diseases are one of the leading causes of mortality and morbidity worldwide and effective therapies are imperfect. Nonetheless, recently some novel strategies have been developed to treat and curtail their debilitating impact. Some of the treatments include the role of MicroRNAs (miRNAs) in stemming the spread of lung morbidities. Micro RNAs are small non-coding RNAs which are known as important players in the posttranscriptional regulation of gene expression in mammalian cells by regulating translation. MiRNAs are involved in basic regulatory mechanisms of cells including influencing inflammation. MiRNA dysregulation, resulting in aberrant expression of a gene, is suggested to play a key role in susceptibility of diseases. MiRNAs are involved in the pathogenesis of lung diseases such as cystic fibrosis, lung cancer, asthma, chronic obstructive pulmonary disease, and Idiopathic pulmonary fibrosis. A better understanding of the involvement of miRNAs in pathogenesis of these diseases could result in the development of new therapeutic and diagnostic tools. In this review, we provide an overview of the current understanding of miRNA biogenesis and role as well as recent insights into role of some miRNAs in different pulmonary diseases.
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Affiliation(s)
- Ammar Ebrahimi
- Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Esmaeil Sadroddiny
- Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran.
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Jasinski-Bergner S, Stoehr C, Bukur J, Massa C, Braun J, Hüttelmaier S, Spath V, Wartenberg R, Legal W, Taubert H, Wach S, Wullich B, Hartmann A, Seliger B. Clinical relevance of miR-mediated HLA-G regulation and the associated immune cell infiltration in renal cell carcinoma. Oncoimmunology 2015; 4:e1008805. [PMID: 26155421 DOI: 10.1080/2162402x.2015.1008805] [Citation(s) in RCA: 56] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2014] [Revised: 01/08/2015] [Accepted: 01/12/2015] [Indexed: 01/07/2023] Open
Abstract
In human tumors of distinct origin including renal cell carcinoma (RCC), the non-classical human leukocyte antigen G (HLA-G) is frequently expressed, thereby inhibiting the cytotoxic activity of T and natural killer (NK) cells. Recent studies demonstrated a strong post-transcriptional gene regulation of the HLA-G by miR-152, -148A, -148B and -133A. Standard methods were applied to characterize the expression and function of HLA-G, HLA-G-regulatory microRNAs (miRs) and the immune cell infiltration in 453 RCC lesions using a tissue microarray and five RCC cell lines linking these results to clinical parameters. Direct interactions with HLA-G regulatory miRs and the HLA-G 3' untranslated region (UTR) were detected and the affinities of these different miRs to the HLA-G 3'-UTR compared. qPCR analyses and immunohistochemical staining revealed an inverse expression of miR-148A and -133A with the HLA-G protein in situ and in vitro. Stable miR overexpression caused a downregulation of HLA-G protein enhancing the NK and LAK cell-mediated cytotoxicity in in vitro CD107a activation assays revealing a HLA-G-dependent cytotoxic activity of immune effector cells. A significant higher frequency of CD3+/CD8+ T cell lymphocytes, but no differences in the activation markers CD69, CD25 or in the presence of CD56+, FoxP3+ and CD4+ immune cells were detected in HLA-G+ compared to HLA-G- RCC lesions. This could be associated with higher WHO grade, but not with a disease-specific survival. These data suggest a miR-mediated control of HLA-G expression in RCC, which is associated with a distinct pattern of immune cell infiltration.
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Key Words
- ACTB, β-actin
- APM, antigen processing machinery
- B7-H1, B7 homolog 1
- CDS, coding sequence; Cr, chromium
- COPZ2, coatomer protein complex, subunit zeta 2
- DAC, 5′-aza-2′-desoxycytidine, GAPDH, glyceraldehyde-3-phosphate dehydrogenase
- HLA-G, human leukocyte antigen G
- HRP, horseradish peroxidase
- IFNγ, interferon gamma
- IHC, immunohistochemistry
- IL, interleukin
- ILT, immunoglobulin-like transcript
- LAK, lymphokine-activated killer cell
- MDSC, myeloid-derived suppressor cells
- MFI, mean-specific fluorescence intensity
- NK, natural killer cell
- RCC, renal cell carcinoma
- SNP, single nucleotide polymorphism
- TGF-β, transforming growth factor β
- TIL, tumor infiltrating lymphocyte
- TMA, tissue microarray
- Treg, regulatory T cell
- UTR, untranslated region
- WB, Western blot analysis
- WT, wild type
- immune escape
- luc, luciferase
- mAb, monoclonal antibody
- miR, microRNA
- miTRAP, miRNA trapping by RNA in vitro affinity purification
- microRNA
- n.d., not determined
- n.o.s., not otherwise specified; ntc., non-template control
- non-classical HLA class I molecules
- renal cell carcinoma
- sHLA-G, soluble HLA-G
- tumor-infiltrating lymphocytes
- β-gal, β-galactosidase
- β2-m, β-2-microglobulin
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Affiliation(s)
- Simon Jasinski-Bergner
- Institute of Medical Immunology; Martin Luther University Halle-Wittenberg ; Halle, Germany
| | - Christine Stoehr
- Institute of Pathology; Friedrich Alexander University Erlangen-Nuremberg ; Erlangen, Germany
| | - Juergen Bukur
- Institute of Medical Immunology; Martin Luther University Halle-Wittenberg ; Halle, Germany
| | - Chiara Massa
- Institute of Medical Immunology; Martin Luther University Halle-Wittenberg ; Halle, Germany
| | - Juliane Braun
- Institute of Molecular Medicine; Martin Luther University Halle-Wittenberg ; Halle, Germany
| | - Stefan Hüttelmaier
- Institute of Molecular Medicine; Martin Luther University Halle-Wittenberg ; Halle, Germany
| | - Verena Spath
- Institute of Pathology; Friedrich Alexander University Erlangen-Nuremberg ; Erlangen, Germany
| | - Roland Wartenberg
- Institute of Pathology; Friedrich Alexander University Erlangen-Nuremberg ; Erlangen, Germany
| | - Wolfgang Legal
- Clinic of Urology; Friedrich Alexander University Erlangen-Nuremberg ; Erlangen, Germany
| | - Helge Taubert
- Clinic of Urology; Friedrich Alexander University Erlangen-Nuremberg ; Erlangen, Germany
| | - Sven Wach
- Clinic of Urology; Friedrich Alexander University Erlangen-Nuremberg ; Erlangen, Germany
| | - Bernd Wullich
- Clinic of Urology; Friedrich Alexander University Erlangen-Nuremberg ; Erlangen, Germany
| | - Arndt Hartmann
- Institute of Pathology; Friedrich Alexander University Erlangen-Nuremberg ; Erlangen, Germany
| | - Barbara Seliger
- Institute of Medical Immunology; Martin Luther University Halle-Wittenberg ; Halle, Germany
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