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Williams T, Hundertmark M, Nordbeck P, Voll S, Arias-Loza PA, Oppelt D, Mühlfelder M, Schraut S, Elsner I, Czolbe M, Seidlmayer L, Heinze B, Hahner S, Heinze K, Schönberger J, Jakob P, Ritter O. Eya4 Induces Hypertrophy via Regulation of p27kip1. ACTA ACUST UNITED AC 2015; 8:752-64. [PMID: 26499333 DOI: 10.1161/circgenetics.115.001134] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2015] [Accepted: 10/19/2015] [Indexed: 01/03/2023]
Abstract
BACKGROUND E193, a heterozygous truncating mutation in the human transcription cofactor Eyes absent 4 (Eya4), causes hearing impairment followed by dilative cardiomyopathy. METHODS AND RESULTS In this study, we first show Eya4 and E193 alter the expression of p27(kip1) in vitro, suggesting Eya4 is a negative regulator of p27. Next, we generated transgenic mice with cardiac-specific overexpression of Eya4 or E193. Luciferase and chromatin immunoprecipitation assays confirmed Eya4 and E193 bind and regulate p27 expression in a contradictory manner. Activity and phosphorylation status of the downstream molecules casein kinase-2α and histone deacetylase 2 were significantly elevated in Eya4- but significantly reduced in E193-overexpressing animals compared with wild-type littermates. Magnetic resonance imaging and hemodynamic analysis indicate Eya4-overexpression results in an age-dependent development of hypertrophy already under baseline conditions with no obvious functional effects, whereas E193 animals develop onset of dilative cardiomyopathy as seen in human E193 patients. Both cardiac phenotypes were aggravated on pressure overload. Finally, we identified a new heterozygous truncating Eya4 mutation, E215, which leads to similar clinical features of disease and a stable myocardial expression of the mutant protein as seen with E193. CONCLUSIONS Our results implicate Eya4/Six1 regulates normal cardiac function via p27/casein kinase-2α/histone deacetylase 2 and indicate that mutations within this transcriptional complex and signaling cascade lead to the development of cardiomyopathy.
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Affiliation(s)
- Tatjana Williams
- From the Department of Medicine I, University Hospital Wuerzburg, Wuerzburg, Germany (T.W., M.H., P.N., P.A.A.-L., D.O., M.M., S.S., I.E., M.C., L.S., B.H., S.H., J.S., O.R.); Comprehensive Heart Failure Center Wuerzburg, Wuerzburg, Germany (T.W., M.C., O.R.); Experimental Physics V, University Wuerzburg, Wuerzburg, Germany (P.N., S.V., P.J.); DFG Research Center for Experimental Biomedicine, University of Wuerzburg, Wuerzburg, Germany (K.H.); and Department of Cardiology and Pneumology, Medical University Brandenburg, Brandenburg, Germany (O.R.)
| | - Moritz Hundertmark
- From the Department of Medicine I, University Hospital Wuerzburg, Wuerzburg, Germany (T.W., M.H., P.N., P.A.A.-L., D.O., M.M., S.S., I.E., M.C., L.S., B.H., S.H., J.S., O.R.); Comprehensive Heart Failure Center Wuerzburg, Wuerzburg, Germany (T.W., M.C., O.R.); Experimental Physics V, University Wuerzburg, Wuerzburg, Germany (P.N., S.V., P.J.); DFG Research Center for Experimental Biomedicine, University of Wuerzburg, Wuerzburg, Germany (K.H.); and Department of Cardiology and Pneumology, Medical University Brandenburg, Brandenburg, Germany (O.R.)
| | - Peter Nordbeck
- From the Department of Medicine I, University Hospital Wuerzburg, Wuerzburg, Germany (T.W., M.H., P.N., P.A.A.-L., D.O., M.M., S.S., I.E., M.C., L.S., B.H., S.H., J.S., O.R.); Comprehensive Heart Failure Center Wuerzburg, Wuerzburg, Germany (T.W., M.C., O.R.); Experimental Physics V, University Wuerzburg, Wuerzburg, Germany (P.N., S.V., P.J.); DFG Research Center for Experimental Biomedicine, University of Wuerzburg, Wuerzburg, Germany (K.H.); and Department of Cardiology and Pneumology, Medical University Brandenburg, Brandenburg, Germany (O.R.)
| | - Sabine Voll
- From the Department of Medicine I, University Hospital Wuerzburg, Wuerzburg, Germany (T.W., M.H., P.N., P.A.A.-L., D.O., M.M., S.S., I.E., M.C., L.S., B.H., S.H., J.S., O.R.); Comprehensive Heart Failure Center Wuerzburg, Wuerzburg, Germany (T.W., M.C., O.R.); Experimental Physics V, University Wuerzburg, Wuerzburg, Germany (P.N., S.V., P.J.); DFG Research Center for Experimental Biomedicine, University of Wuerzburg, Wuerzburg, Germany (K.H.); and Department of Cardiology and Pneumology, Medical University Brandenburg, Brandenburg, Germany (O.R.)
| | - Paula Anahi Arias-Loza
- From the Department of Medicine I, University Hospital Wuerzburg, Wuerzburg, Germany (T.W., M.H., P.N., P.A.A.-L., D.O., M.M., S.S., I.E., M.C., L.S., B.H., S.H., J.S., O.R.); Comprehensive Heart Failure Center Wuerzburg, Wuerzburg, Germany (T.W., M.C., O.R.); Experimental Physics V, University Wuerzburg, Wuerzburg, Germany (P.N., S.V., P.J.); DFG Research Center for Experimental Biomedicine, University of Wuerzburg, Wuerzburg, Germany (K.H.); and Department of Cardiology and Pneumology, Medical University Brandenburg, Brandenburg, Germany (O.R.)
| | - Daniel Oppelt
- From the Department of Medicine I, University Hospital Wuerzburg, Wuerzburg, Germany (T.W., M.H., P.N., P.A.A.-L., D.O., M.M., S.S., I.E., M.C., L.S., B.H., S.H., J.S., O.R.); Comprehensive Heart Failure Center Wuerzburg, Wuerzburg, Germany (T.W., M.C., O.R.); Experimental Physics V, University Wuerzburg, Wuerzburg, Germany (P.N., S.V., P.J.); DFG Research Center for Experimental Biomedicine, University of Wuerzburg, Wuerzburg, Germany (K.H.); and Department of Cardiology and Pneumology, Medical University Brandenburg, Brandenburg, Germany (O.R.)
| | - Melanie Mühlfelder
- From the Department of Medicine I, University Hospital Wuerzburg, Wuerzburg, Germany (T.W., M.H., P.N., P.A.A.-L., D.O., M.M., S.S., I.E., M.C., L.S., B.H., S.H., J.S., O.R.); Comprehensive Heart Failure Center Wuerzburg, Wuerzburg, Germany (T.W., M.C., O.R.); Experimental Physics V, University Wuerzburg, Wuerzburg, Germany (P.N., S.V., P.J.); DFG Research Center for Experimental Biomedicine, University of Wuerzburg, Wuerzburg, Germany (K.H.); and Department of Cardiology and Pneumology, Medical University Brandenburg, Brandenburg, Germany (O.R.)
| | - Susanna Schraut
- From the Department of Medicine I, University Hospital Wuerzburg, Wuerzburg, Germany (T.W., M.H., P.N., P.A.A.-L., D.O., M.M., S.S., I.E., M.C., L.S., B.H., S.H., J.S., O.R.); Comprehensive Heart Failure Center Wuerzburg, Wuerzburg, Germany (T.W., M.C., O.R.); Experimental Physics V, University Wuerzburg, Wuerzburg, Germany (P.N., S.V., P.J.); DFG Research Center for Experimental Biomedicine, University of Wuerzburg, Wuerzburg, Germany (K.H.); and Department of Cardiology and Pneumology, Medical University Brandenburg, Brandenburg, Germany (O.R.)
| | - Ines Elsner
- From the Department of Medicine I, University Hospital Wuerzburg, Wuerzburg, Germany (T.W., M.H., P.N., P.A.A.-L., D.O., M.M., S.S., I.E., M.C., L.S., B.H., S.H., J.S., O.R.); Comprehensive Heart Failure Center Wuerzburg, Wuerzburg, Germany (T.W., M.C., O.R.); Experimental Physics V, University Wuerzburg, Wuerzburg, Germany (P.N., S.V., P.J.); DFG Research Center for Experimental Biomedicine, University of Wuerzburg, Wuerzburg, Germany (K.H.); and Department of Cardiology and Pneumology, Medical University Brandenburg, Brandenburg, Germany (O.R.)
| | - Martin Czolbe
- From the Department of Medicine I, University Hospital Wuerzburg, Wuerzburg, Germany (T.W., M.H., P.N., P.A.A.-L., D.O., M.M., S.S., I.E., M.C., L.S., B.H., S.H., J.S., O.R.); Comprehensive Heart Failure Center Wuerzburg, Wuerzburg, Germany (T.W., M.C., O.R.); Experimental Physics V, University Wuerzburg, Wuerzburg, Germany (P.N., S.V., P.J.); DFG Research Center for Experimental Biomedicine, University of Wuerzburg, Wuerzburg, Germany (K.H.); and Department of Cardiology and Pneumology, Medical University Brandenburg, Brandenburg, Germany (O.R.)
| | - Lea Seidlmayer
- From the Department of Medicine I, University Hospital Wuerzburg, Wuerzburg, Germany (T.W., M.H., P.N., P.A.A.-L., D.O., M.M., S.S., I.E., M.C., L.S., B.H., S.H., J.S., O.R.); Comprehensive Heart Failure Center Wuerzburg, Wuerzburg, Germany (T.W., M.C., O.R.); Experimental Physics V, University Wuerzburg, Wuerzburg, Germany (P.N., S.V., P.J.); DFG Research Center for Experimental Biomedicine, University of Wuerzburg, Wuerzburg, Germany (K.H.); and Department of Cardiology and Pneumology, Medical University Brandenburg, Brandenburg, Germany (O.R.)
| | - Britta Heinze
- From the Department of Medicine I, University Hospital Wuerzburg, Wuerzburg, Germany (T.W., M.H., P.N., P.A.A.-L., D.O., M.M., S.S., I.E., M.C., L.S., B.H., S.H., J.S., O.R.); Comprehensive Heart Failure Center Wuerzburg, Wuerzburg, Germany (T.W., M.C., O.R.); Experimental Physics V, University Wuerzburg, Wuerzburg, Germany (P.N., S.V., P.J.); DFG Research Center for Experimental Biomedicine, University of Wuerzburg, Wuerzburg, Germany (K.H.); and Department of Cardiology and Pneumology, Medical University Brandenburg, Brandenburg, Germany (O.R.)
| | - Stefanie Hahner
- From the Department of Medicine I, University Hospital Wuerzburg, Wuerzburg, Germany (T.W., M.H., P.N., P.A.A.-L., D.O., M.M., S.S., I.E., M.C., L.S., B.H., S.H., J.S., O.R.); Comprehensive Heart Failure Center Wuerzburg, Wuerzburg, Germany (T.W., M.C., O.R.); Experimental Physics V, University Wuerzburg, Wuerzburg, Germany (P.N., S.V., P.J.); DFG Research Center for Experimental Biomedicine, University of Wuerzburg, Wuerzburg, Germany (K.H.); and Department of Cardiology and Pneumology, Medical University Brandenburg, Brandenburg, Germany (O.R.)
| | - Katrin Heinze
- From the Department of Medicine I, University Hospital Wuerzburg, Wuerzburg, Germany (T.W., M.H., P.N., P.A.A.-L., D.O., M.M., S.S., I.E., M.C., L.S., B.H., S.H., J.S., O.R.); Comprehensive Heart Failure Center Wuerzburg, Wuerzburg, Germany (T.W., M.C., O.R.); Experimental Physics V, University Wuerzburg, Wuerzburg, Germany (P.N., S.V., P.J.); DFG Research Center for Experimental Biomedicine, University of Wuerzburg, Wuerzburg, Germany (K.H.); and Department of Cardiology and Pneumology, Medical University Brandenburg, Brandenburg, Germany (O.R.)
| | - Jost Schönberger
- From the Department of Medicine I, University Hospital Wuerzburg, Wuerzburg, Germany (T.W., M.H., P.N., P.A.A.-L., D.O., M.M., S.S., I.E., M.C., L.S., B.H., S.H., J.S., O.R.); Comprehensive Heart Failure Center Wuerzburg, Wuerzburg, Germany (T.W., M.C., O.R.); Experimental Physics V, University Wuerzburg, Wuerzburg, Germany (P.N., S.V., P.J.); DFG Research Center for Experimental Biomedicine, University of Wuerzburg, Wuerzburg, Germany (K.H.); and Department of Cardiology and Pneumology, Medical University Brandenburg, Brandenburg, Germany (O.R.)
| | - Peter Jakob
- From the Department of Medicine I, University Hospital Wuerzburg, Wuerzburg, Germany (T.W., M.H., P.N., P.A.A.-L., D.O., M.M., S.S., I.E., M.C., L.S., B.H., S.H., J.S., O.R.); Comprehensive Heart Failure Center Wuerzburg, Wuerzburg, Germany (T.W., M.C., O.R.); Experimental Physics V, University Wuerzburg, Wuerzburg, Germany (P.N., S.V., P.J.); DFG Research Center for Experimental Biomedicine, University of Wuerzburg, Wuerzburg, Germany (K.H.); and Department of Cardiology and Pneumology, Medical University Brandenburg, Brandenburg, Germany (O.R.)
| | - Oliver Ritter
- From the Department of Medicine I, University Hospital Wuerzburg, Wuerzburg, Germany (T.W., M.H., P.N., P.A.A.-L., D.O., M.M., S.S., I.E., M.C., L.S., B.H., S.H., J.S., O.R.); Comprehensive Heart Failure Center Wuerzburg, Wuerzburg, Germany (T.W., M.C., O.R.); Experimental Physics V, University Wuerzburg, Wuerzburg, Germany (P.N., S.V., P.J.); DFG Research Center for Experimental Biomedicine, University of Wuerzburg, Wuerzburg, Germany (K.H.); and Department of Cardiology and Pneumology, Medical University Brandenburg, Brandenburg, Germany (O.R.).
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