{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,30]],"date-time":"2026-06-30T18:18:27Z","timestamp":1782843507130,"version":"3.54.5"},"reference-count":39,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"4","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Circ Cardiovasc Genet"],"published-print":{"date-parts":[[2011,8]]},"abstract":"<jats:sec>\n            <jats:title>Background\u2014<\/jats:title>\n            <jats:p>Left ventricular noncompaction of the myocardium (LVNC) has been recognized as a cardiomyopathy with a genetic etiology. Mutations in genes encoding sarcomere proteins were shown to be associated with LVNC. We evaluated the potential clinical impact of genetic analysis of sarcomere genes in patients with LVNC.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Methods and Results\u2014<\/jats:title>\n            <jats:p>\n              We identified 5 mutations in cardiac myosin-binding protein C (\n              <jats:italic>MYBPC3<\/jats:italic>\n              ) and 2 mutations in \u03b1-tropomyosin (\n              <jats:italic>TPM1<\/jats:italic>\n              ) in a cohort of unrelated adult probands with isolated LVNC. The mutations in\n              <jats:italic>MYBPC3<\/jats:italic>\n              and\n              <jats:italic>TPM1<\/jats:italic>\n              and in 6 other previously reported sarcomere genes in this cohort resulted in a total of 18 (29%) heterozygous mutations in 63 probands. \u03b2-myosin heavy chain (\n              <jats:italic>MYH7<\/jats:italic>\n              ) was the most prevalent disease gene and accounts for 13% of cases, followed by\n              <jats:italic>MYBPC3<\/jats:italic>\n              (8%). Comparing sarcomere mutation-positive and mutation-negative LVNC probands showed no significant differences in terms of average age, myocardial function, and presence of heart failure or tachyarrhythmias at initial presentation or at follow-up. Familial disease was found in 16 probands of whom 8 were sarcomere mutation positive. Nonpenetrance was detected in 2 of 8 mutation-positive families with LVNC.\n            <\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Conclusions\u2014<\/jats:title>\n            <jats:p>Mutations in sarcomere genes account for a significant (29%) proportion of cases of isolated LVNC in this cohort. The distribution of disease genes confirms genetic heterogeneity and opens new perspectives in genetic testing in patients with LVNC and their relatives at high risk of inheriting the cardiomyopathy. The presence or absence of a sarcomere gene mutation in LVNC cannot be related to the clinical phenotype.<\/jats:p>\n          <\/jats:sec>","DOI":"10.1161\/circgenetics.110.959270","type":"journal-article","created":{"date-parts":[[2011,5,7]],"date-time":"2011-05-07T05:26:28Z","timestamp":1304745988000},"page":"367-374","source":"Crossref","is-referenced-by-count":168,"title":["Sarcomere Gene Mutations in Isolated Left Ventricular Noncompaction Cardiomyopathy Do Not Predict Clinical Phenotype"],"prefix":"10.1161","volume":"4","author":[{"given":"Susanne","family":"Probst","sequence":"first","affiliation":[{"name":"From the Max-Delbr\u00fcck-Center for Molecular Medicine, Berlin, Germany (S.P., L.T., S.K.); Toronto Congenital Cardiac Center for Adults, University Health Network\/Toronto General Hospital, Peter Munk Cardiac Center, and University of Toronto, Toronto, Ontario, Canada (E.O.); Department of Cardiology, Cardiovascular Center, University Hospital Z\u00fcrich, Z\u00fcrich, Switzerland (P.S., M.G., R.J.); Working Group Cardiac MRI, Experimental and Clinical Research Center (ECRC), Charit\u00e9 Medical Faculty, and Clinic..."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Erwin","family":"Oechslin","sequence":"additional","affiliation":[{"name":"From the Max-Delbr\u00fcck-Center for Molecular Medicine, Berlin, Germany (S.P., L.T., S.K.); Toronto Congenital Cardiac Center for Adults, University Health Network\/Toronto General Hospital, Peter Munk Cardiac Center, and University of Toronto, Toronto, Ontario, Canada (E.O.); Department of Cardiology, Cardiovascular Center, University Hospital Z\u00fcrich, Z\u00fcrich, Switzerland (P.S., M.G., R.J.); Working Group Cardiac MRI, Experimental and Clinical Research Center (ECRC), Charit\u00e9 Medical Faculty, and Clinic..."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Pia","family":"Schuler","sequence":"additional","affiliation":[{"name":"From the Max-Delbr\u00fcck-Center for Molecular Medicine, Berlin, Germany (S.P., L.T., S.K.); Toronto Congenital Cardiac Center for Adults, University Health Network\/Toronto General Hospital, Peter Munk Cardiac Center, and University of Toronto, Toronto, Ontario, Canada (E.O.); Department of Cardiology, Cardiovascular Center, University Hospital Z\u00fcrich, Z\u00fcrich, Switzerland (P.S., M.G., R.J.); Working Group Cardiac MRI, Experimental and Clinical Research Center (ECRC), Charit\u00e9 Medical Faculty, and Clinic..."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Matthias","family":"Greutmann","sequence":"additional","affiliation":[{"name":"From the Max-Delbr\u00fcck-Center for Molecular Medicine, Berlin, Germany (S.P., L.T., S.K.); Toronto Congenital Cardiac Center for Adults, University Health Network\/Toronto General Hospital, Peter Munk Cardiac Center, and University of Toronto, Toronto, Ontario, Canada (E.O.); Department of Cardiology, Cardiovascular Center, University Hospital Z\u00fcrich, Z\u00fcrich, Switzerland (P.S., M.G., R.J.); Working Group Cardiac MRI, Experimental and Clinical Research Center (ECRC), Charit\u00e9 Medical Faculty, and Clinic..."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Philipp","family":"Boy\u00e9","sequence":"additional","affiliation":[{"name":"From the Max-Delbr\u00fcck-Center for Molecular Medicine, Berlin, Germany (S.P., L.T., S.K.); Toronto Congenital Cardiac Center for Adults, University Health Network\/Toronto General Hospital, Peter Munk Cardiac Center, and University of Toronto, Toronto, Ontario, Canada (E.O.); Department of Cardiology, Cardiovascular Center, University Hospital Z\u00fcrich, Z\u00fcrich, Switzerland (P.S., M.G., R.J.); Working Group Cardiac MRI, Experimental and Clinical Research Center (ECRC), Charit\u00e9 Medical Faculty, and Clinic..."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Walter","family":"Knirsch","sequence":"additional","affiliation":[{"name":"From the Max-Delbr\u00fcck-Center for Molecular Medicine, Berlin, Germany (S.P., L.T., S.K.); Toronto Congenital Cardiac Center for Adults, University Health Network\/Toronto General Hospital, Peter Munk Cardiac Center, and University of Toronto, Toronto, Ontario, Canada (E.O.); Department of Cardiology, Cardiovascular Center, University Hospital Z\u00fcrich, Z\u00fcrich, Switzerland (P.S., M.G., R.J.); Working Group Cardiac MRI, Experimental and Clinical Research Center (ECRC), Charit\u00e9 Medical Faculty, and Clinic..."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Felix","family":"Berger","sequence":"additional","affiliation":[{"name":"From the Max-Delbr\u00fcck-Center for Molecular Medicine, Berlin, Germany (S.P., L.T., S.K.); Toronto Congenital Cardiac Center for Adults, University Health Network\/Toronto General Hospital, Peter Munk Cardiac Center, and University of Toronto, Toronto, Ontario, Canada (E.O.); Department of Cardiology, Cardiovascular Center, University Hospital Z\u00fcrich, Z\u00fcrich, Switzerland (P.S., M.G., R.J.); Working Group Cardiac MRI, Experimental and Clinical Research Center (ECRC), Charit\u00e9 Medical Faculty, and Clinic..."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ludwig","family":"Thierfelder","sequence":"additional","affiliation":[{"name":"From the Max-Delbr\u00fcck-Center for Molecular Medicine, Berlin, Germany (S.P., L.T., S.K.); Toronto Congenital Cardiac Center for Adults, University Health Network\/Toronto General Hospital, Peter Munk Cardiac Center, and University of Toronto, Toronto, Ontario, Canada (E.O.); Department of Cardiology, Cardiovascular Center, University Hospital Z\u00fcrich, Z\u00fcrich, Switzerland (P.S., M.G., R.J.); Working Group Cardiac MRI, Experimental and Clinical Research Center (ECRC), Charit\u00e9 Medical Faculty, and Clinic..."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rolf","family":"Jenni","sequence":"additional","affiliation":[{"name":"From the Max-Delbr\u00fcck-Center for Molecular Medicine, Berlin, Germany (S.P., L.T., S.K.); Toronto Congenital Cardiac Center for Adults, University Health Network\/Toronto General Hospital, Peter Munk Cardiac Center, and University of Toronto, Toronto, Ontario, Canada (E.O.); Department of Cardiology, Cardiovascular Center, University Hospital Z\u00fcrich, Z\u00fcrich, Switzerland (P.S., M.G., R.J.); Working Group Cardiac MRI, Experimental and Clinical Research Center (ECRC), Charit\u00e9 Medical Faculty, and Clinic..."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sabine","family":"Klaassen","sequence":"additional","affiliation":[{"name":"From the Max-Delbr\u00fcck-Center for Molecular Medicine, Berlin, Germany (S.P., L.T., S.K.); Toronto Congenital Cardiac Center for Adults, University Health Network\/Toronto General Hospital, Peter Munk Cardiac Center, and University of Toronto, Toronto, Ontario, Canada (E.O.); Department of Cardiology, Cardiovascular Center, University Hospital Z\u00fcrich, Z\u00fcrich, Switzerland (P.S., M.G., R.J.); Working Group Cardiac MRI, Experimental and Clinical Research Center (ECRC), Charit\u00e9 Medical Faculty, and Clinic..."}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"276","reference":[{"key":"e_1_3_4_2_2","doi-asserted-by":"publisher","DOI":"10.1161\/CIRCULATIONAHA.106.174287"},{"key":"e_1_3_4_3_2","doi-asserted-by":"publisher","DOI":"10.1093\/eurheartj\/ehm342"},{"key":"e_1_3_4_4_2","doi-asserted-by":"publisher","DOI":"10.1136\/heart.86.6.666"},{"key":"e_1_3_4_5_2","doi-asserted-by":"publisher","DOI":"10.1017\/S1047951105000752"},{"key":"e_1_3_4_6_2","doi-asserted-by":"publisher","DOI":"10.1161\/01.CIR.82.2.507"},{"key":"e_1_3_4_7_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0735-1097(99)00170-9"},{"key":"e_1_3_4_8_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0735-1097(00)00755-5"},{"key":"e_1_3_4_9_2","doi-asserted-by":"publisher","DOI":"10.1002\/ajmg.a.20075"},{"key":"e_1_3_4_10_2","doi-asserted-by":"publisher","DOI":"10.1161\/01.CIR.0000100664.10777.B8"},{"key":"e_1_3_4_11_2","doi-asserted-by":"publisher","DOI":"10.1093\/eurheartj\/ehi025"},{"key":"e_1_3_4_12_2","doi-asserted-by":"publisher","DOI":"10.1093\/eurheartj\/ehl112"},{"key":"e_1_3_4_13_2","first-page":"1763","article-title":"Focused review: ventricular noncompaction: An update","author":"Klaassen S","year":"2008","unstructured":"Klaassen S. 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