TY - JOUR A1 - Nordmeyer, Sarah A1 - Kraus, Milena A1 - Ziehm, Matthias A1 - Kirchner, Marieluise A1 - Schafstedde, Marie A1 - Kelm, Marcus A1 - Niquet, Sylvia A1 - Stephen, Mariet Mathew A1 - Baczko, Istvan A1 - Knosalla, Christoph A1 - Schapranow, Matthieu-Patrick A1 - Dittmar, Gunnar A1 - Gotthardt, Michael A1 - Falcke, Martin A1 - Regitz-Zagrosek, Vera A1 - Kuehne, Titus A1 - Mertins, Philipp T1 - Disease- and sex-specific differences in patients with heart valve disease T2 - Life Science Alliance N2 - Pressure overload in patients with aortic valve stenosis and volume overload in mitral valve regurgitation trigger specific forms of cardiac remodeling; however, little is known about similarities and differences in myocardial proteome regulation. We performed proteome profiling of 75 human left ventricular myocardial biopsies (aortic stenosis = 41, mitral regurgitation = 17, and controls = 17) using high-resolution tandem mass spectrometry next to clinical and hemodynamic parameter acquisition. In patients of both disease groups, proteins related to ECM and cytoskeleton were more abundant, whereas those related to energy metabolism and proteostasis were less abundant compared with controls. In addition, disease group-specific and sex-specific differences have been observed. Male patients with aortic stenosis showed more proteins related to fibrosis and less to energy metabolism, whereas female patients showed strong reduction in proteostasis-related proteins. Clinical imaging was in line with proteomic findings, showing elevation of fibrosis in both patient groups and sex differences. Disease-and sex-specific proteomic profiles provide insight into cardiac remodeling in patients with heart valve disease and might help improve the understanding of molecular mechanisms and the development of individualized treatment strategies. Y1 - 2023 UR - https://publishup.uni-potsdam.de/frontdoor/index/index/docId/64228 SN - 2575-1077 VL - 6 IS - 3 PB - EMBO Press CY - Heidelberg ER -