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Pott A, Shahid M, Köhler D, Pylatiuk C, Weinmann K, Just S, Rottbauer W. Therapeutic Chemical Screen Identifies Phosphatase Inhibitors to Reconstitute PKB Phosphorylation and Cardiac Contractility in ILK-Deficient Zebrafish. Biomolecules 2018; 8:biom8040153. [PMID: 30463267 PMCID: PMC6315389 DOI: 10.3390/biom8040153] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2018] [Revised: 10/24/2018] [Accepted: 10/30/2018] [Indexed: 12/12/2022] Open
Abstract
Patients with inherited dilated cardiomyopathy (DCM) often suffer from severe heart failure based on impaired cardiac contractility leading to increased morbidity and mortality. Integrin-linked kinase (ILK) as a part of the cardiac mechanical stretch sensor was found to be an essential genetic regulator of cardiac contractility. Integrin-linked kinase localizes to z-disks and costameres in vertebrate hearts and regulates the activity of the signaling molecule protein kinase B (PKB/Akt) by controlling its phosphorylation. Despite identification of several potential drug targets in the ILK signaling pathway, pharmacological treatment strategies to restore contractile function in ILK-dependent cardiomyopathies have not been established yet. In recent years, the zebrafish has emerged as a valuable experimental system to model human cardiomyopathies as well as a powerful tool for the straightforward high-throughput in vivo small compound screening of therapeutically active substances. Using the ILK deficient zebrafish heart failure mutant main squeeze (msq), which shows reduced PKB phosphorylation and thereby impaired cardiac contractile force, we identified here, in an automated small compound screen, the protein phosphatase inhibitors calyculin A and okadaic acid significantly restoring myocardial contractile function by reconstituting PKB phosphorylation in msq ILK-deficient zebrafish embryos.
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Affiliation(s)
- Alexander Pott
- Department of Internal Medicine II, Ulm University, Albert-Einstein-Allee 23, D-89081 Ulm, Germany.
| | - Maryam Shahid
- Department of Internal Medicine II, Ulm University, Albert-Einstein-Allee 23, D-89081 Ulm, Germany.
| | - Doreen Köhler
- Department of Internal Medicine III, University of Heidelberg, D-69120 Heidelberg, Germany.
| | - Christian Pylatiuk
- Institute of Applied Computer Science, Karlsruhe Institute of Technology, D-76344 Eggenstein-Leopoldshafen, Germany.
| | - Karolina Weinmann
- Department of Internal Medicine II, Ulm University, Albert-Einstein-Allee 23, D-89081 Ulm, Germany.
| | - Steffen Just
- Department of Internal Medicine II, Ulm University, Albert-Einstein-Allee 23, D-89081 Ulm, Germany.
| | - Wolfgang Rottbauer
- Department of Internal Medicine II, Ulm University, Albert-Einstein-Allee 23, D-89081 Ulm, Germany.
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Müller AM, Bockstahler M, Hristov G, Weiß C, Fischer A, Korkmaz-Icöz S, Giannitsis E, Poller W, Schultheiss HP, Katus HA, Kaya Z. Identification of novel antigens contributing to autoimmunity in cardiovascular diseases. Clin Immunol 2016; 173:64-75. [PMID: 27634429 DOI: 10.1016/j.clim.2016.09.003] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2016] [Revised: 09/06/2016] [Accepted: 09/07/2016] [Indexed: 12/11/2022]
Abstract
In myocarditis and dilated cardiomyopathy (DCM) patients the immune system may play an important role in disease progression. In this study, we aimed to identify new antigens as a target for autoimmune response that might play a crucial role in these diseases. Therefore, a peptide-array was used to investigate antibody binding profiles in patients with autoimmune myocarditis or DCM compared to healthy controls and thus to identify disease relevant antigens. To analyze the pathogenicity of the identified antigens, an experimental autoimmune myocarditis (EAM) model was used. Hereby, 3 peptide sequences, derived from myosin-binding-protein-C (MYBPC) fast-type, RNA-binding-protein 20 (RBM20), and dystrophin, showed pathogenic effects on the myocardium of mice. In summary, 3 potentially cardiopathogenic peptides (MYBPC fast-type, RBM20, dystrophin) were identified. Thus, this study could serve as a basis for future investigations aimed at determining further antigens leading to pathogenic effects on the myocardium of DCM as well as myocarditis patients.
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Affiliation(s)
- Anna-Maria Müller
- Department of Cardiology, University of Heidelberg, 69120 Heidelberg, Germany
| | | | - Georgi Hristov
- Department of Cardiology, University of Heidelberg, 69120 Heidelberg, Germany
| | - Christel Weiß
- Department of Clinical Statistics, Biomathematics, Information Processing, University of Heidelberg/Mannheim, 68167 Mannheim, Germany
| | - Andrea Fischer
- Department of Cardiology, University of Heidelberg, 69120 Heidelberg, Germany
| | - Sevil Korkmaz-Icöz
- Department of Cardiac Surgery, University of Heidelberg, 69120 Heidelberg, Germany
| | | | - Wolfgang Poller
- Department of Cardiology and Pneumology, Charité-Universitätsmedizin Berlin, 10117 Berlin, Germany; DZHK (German Centre for Cardiovascular Research), partner site Heidelberg/Mannheim, University of Heidelberg, 69120 Heidelberg, Germany
| | - Heinz-Peter Schultheiss
- Department of Cardiology and Pneumology, Charité-Universitätsmedizin Berlin, 10117 Berlin, Germany
| | - Hugo A Katus
- Department of Cardiology, University of Heidelberg, 69120 Heidelberg, Germany; DZHK (German Centre for Cardiovascular Research), partner site Heidelberg/Mannheim, University of Heidelberg, 69120 Heidelberg, Germany
| | - Ziya Kaya
- Department of Cardiology, University of Heidelberg, 69120 Heidelberg, Germany; DZHK (German Centre for Cardiovascular Research), partner site Heidelberg/Mannheim, University of Heidelberg, 69120 Heidelberg, Germany.
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3
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Haas J, Frese KS, Peil B, Kloos W, Keller A, Nietsch R, Feng Z, Müller S, Kayvanpour E, Vogel B, Sedaghat-Hamedani F, Lim WK, Zhao X, Fradkin D, Köhler D, Fischer S, Franke J, Marquart S, Barb I, Li DT, Amr A, Ehlermann P, Mereles D, Weis T, Hassel S, Kremer A, King V, Wirsz E, Isnard R, Komajda M, Serio A, Grasso M, Syrris P, Wicks E, Plagnol V, Lopes L, Gadgaard T, Eiskjær H, Jørgensen M, Garcia-Giustiniani D, Ortiz-Genga M, Crespo-Leiro MG, Deprez RHLD, Christiaans I, van Rijsingen IA, Wilde AA, Waldenstrom A, Bolognesi M, Bellazzi R, Mörner S, Bermejo JL, Monserrat L, Villard E, Mogensen J, Pinto YM, Charron P, Elliott P, Arbustini E, Katus HA, Meder B. Atlas of the clinical genetics of human dilated cardiomyopathy. Eur Heart J 2014; 36:1123-35a. [DOI: 10.1093/eurheartj/ehu301] [Citation(s) in RCA: 367] [Impact Index Per Article: 36.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/22/2014] [Indexed: 12/18/2022] Open
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Keller K, Beule J, Oliver Balzer J, Coldewey M, Munzel T, Dippold W, Wild P. A 56-year-old man with co-prevalence of Leriche syndrome and dilated cardiomyopathy: case report and review. Wien Klin Wochenschr 2013; 126:163-8. [DOI: 10.1007/s00508-013-0476-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2012] [Accepted: 11/13/2013] [Indexed: 11/30/2022]
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5
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Haas J, Frese KS, Park YJ, Keller A, Vogel B, Lindroth AM, Weichenhan D, Franke J, Fischer S, Bauer A, Marquart S, Sedaghat-Hamedani F, Kayvanpour E, Köhler D, Wolf NM, Hassel S, Nietsch R, Wieland T, Ehlermann P, Schultz JH, Dösch A, Mereles D, Hardt S, Backs J, Hoheisel JD, Plass C, Katus HA, Meder B. Alterations in cardiac DNA methylation in human dilated cardiomyopathy. EMBO Mol Med 2013; 5:413-29. [PMID: 23341106 PMCID: PMC3598081 DOI: 10.1002/emmm.201201553] [Citation(s) in RCA: 154] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2012] [Revised: 11/15/2012] [Accepted: 11/29/2012] [Indexed: 12/25/2022] Open
Abstract
Dilated cardiomyopathies (DCM) show remarkable variability in their age of onset, phenotypic presentation, and clinical course. Hence, disease mechanisms must exist that modify the occurrence and progression of DCM, either by genetic or epigenetic factors that may interact with environmental stimuli. In the present study, we examined genome-wide cardiac DNA methylation in patients with idiopathic DCM and controls. We detected methylation differences in pathways related to heart disease, but also in genes with yet unknown function in DCM or heart failure, namely Lymphocyte antigen 75 (LY75), Tyrosine kinase-type cell surface receptor HER3 (ERBB3), Homeobox B13 (HOXB13) and Adenosine receptor A2A (ADORA2A). Mass-spectrometric analysis and bisulphite-sequencing enabled confirmation of the observed DNA methylation changes in independent cohorts. Aberrant DNA methylation in DCM patients was associated with significant changes in LY75 and ADORA2A mRNA expression, but not in ERBB3 and HOXB13. In vivo studies of orthologous ly75 and adora2a in zebrafish demonstrate a functional role of these genes in adaptive or maladaptive pathways in heart failure.
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MESH Headings
- Adult
- Aged
- Animals
- Antigens, CD/genetics
- Antigens, CD/metabolism
- Biopsy
- Cardiomyopathy, Dilated/genetics
- Cardiomyopathy, Dilated/metabolism
- Cardiomyopathy, Dilated/physiopathology
- Case-Control Studies
- Cluster Analysis
- DNA Methylation
- Epigenesis, Genetic
- Female
- Gene Expression Regulation
- Gene Knockdown Techniques
- Genetic Predisposition to Disease
- HEK293 Cells
- Humans
- Lectins, C-Type/genetics
- Lectins, C-Type/metabolism
- Male
- Mass Spectrometry
- Middle Aged
- Minor Histocompatibility Antigens
- Molecular Sequence Data
- Myocardium/metabolism
- Phenotype
- RNA, Messenger/metabolism
- Rats
- Receptor, Adenosine A2A/genetics
- Receptor, Adenosine A2A/metabolism
- Receptors, Cell Surface/genetics
- Receptors, Cell Surface/metabolism
- Reproducibility of Results
- Sequence Analysis, DNA/methods
- Sequence Analysis, Protein
- Transfection
- Zebrafish/genetics
- Zebrafish/metabolism
- Zebrafish Proteins/genetics
- Zebrafish Proteins/metabolism
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Affiliation(s)
- Jan Haas
- Department of Internal Medicine III, University of HeidelbergHeidelberg, Germany
| | - Karen S Frese
- Department of Internal Medicine III, University of HeidelbergHeidelberg, Germany
| | - Yoon Jung Park
- Division of Epigenomics and Cancer Risk Factors, German Cancer Research Center (DKFZ)Heidelberg, Germany
- Department of Nutritional Science and Food Management, Ewha Womans UniversitySeoul, South Korea
| | - Andreas Keller
- Department of Human Genetics, Saarland UniversityGermany
| | - Britta Vogel
- Department of Internal Medicine III, University of HeidelbergHeidelberg, Germany
| | - Anders M Lindroth
- Division of Epigenomics and Cancer Risk Factors, German Cancer Research Center (DKFZ)Heidelberg, Germany
| | - Dieter Weichenhan
- Division of Epigenomics and Cancer Risk Factors, German Cancer Research Center (DKFZ)Heidelberg, Germany
| | - Jennifer Franke
- Department of Internal Medicine III, University of HeidelbergHeidelberg, Germany
| | - Simon Fischer
- Department of Internal Medicine III, University of HeidelbergHeidelberg, Germany
| | - Andrea Bauer
- Division of Functional Genome Analysis, German Cancer Research Center (DKFZ)Heidelberg, Germany
| | - Sabine Marquart
- Department of Internal Medicine III, University of HeidelbergHeidelberg, Germany
| | | | - Elham Kayvanpour
- Department of Internal Medicine III, University of HeidelbergHeidelberg, Germany
| | - Doreen Köhler
- Department of Internal Medicine III, University of HeidelbergHeidelberg, Germany
| | - Nadine M Wolf
- Department of Internal Medicine III, University of HeidelbergHeidelberg, Germany
- Medical Faculty Mannheim, Institute of Experimental and Clinical Pharmacology and Toxicology, Heidelberg UniversityMannheim, Germany
| | - Sarah Hassel
- Department of Internal Medicine III, University of HeidelbergHeidelberg, Germany
| | - Rouven Nietsch
- Department of Internal Medicine III, University of HeidelbergHeidelberg, Germany
| | - Thomas Wieland
- Medical Faculty Mannheim, Institute of Experimental and Clinical Pharmacology and Toxicology, Heidelberg UniversityMannheim, Germany
- DZHK (German Centre for Cardiovascular Research), partner site Heidelberg/MannheimMannheim, Germany
| | - Philipp Ehlermann
- Department of Internal Medicine III, University of HeidelbergHeidelberg, Germany
| | - Jobst-Hendrik Schultz
- Department of General Internal Medicine and Psychosomatics, University Hospital HeidelbergHeidelberg, Germany
| | - Andreas Dösch
- Department of Internal Medicine III, University of HeidelbergHeidelberg, Germany
| | - Derliz Mereles
- Department of Internal Medicine III, University of HeidelbergHeidelberg, Germany
| | - Stefan Hardt
- Department of Internal Medicine III, University of HeidelbergHeidelberg, Germany
| | - Johannes Backs
- Department of Internal Medicine III, University of HeidelbergHeidelberg, Germany
- DZHK (German Centre for Cardiovascular Research), partner site Heidelberg/MannheimHeidelberg, Germany
| | - Jörg D Hoheisel
- Division of Functional Genome Analysis, German Cancer Research Center (DKFZ)Heidelberg, Germany
| | - Christoph Plass
- Division of Epigenomics and Cancer Risk Factors, German Cancer Research Center (DKFZ)Heidelberg, Germany
- DZHK (German Centre for Cardiovascular Research), partner site Heidelberg/MannheimHeidelberg, Germany
| | - Hugo A Katus
- Department of Internal Medicine III, University of HeidelbergHeidelberg, Germany
- DZHK (German Centre for Cardiovascular Research), partner site Heidelberg/MannheimHeidelberg, Germany
| | - Benjamin Meder
- Department of Internal Medicine III, University of HeidelbergHeidelberg, Germany
- DZHK (German Centre for Cardiovascular Research), partner site Heidelberg/MannheimHeidelberg, Germany
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6
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Current world literature. Curr Opin Cardiol 2013; 28:259-68. [PMID: 23381096 DOI: 10.1097/hco.0b013e32835ec472] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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