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Salazar-Mendiguchía, Joel; Ochoa, Juan Pablo; Palomino-Doza, Julian; Domínguez, Fernando; Díez-López, Carles; Akhtar, Mohammed; Ramiro-León, Soraya; Clemente, María M; Pérez-Cejas, Antonia; Robledo, María; Gómez-Díaz, Iria; Peña-Peña, María Luisa; Climent, Vicente; Salmerón-Martínez, Francisco; Hernández, Celestino; García-Granja, Pablo E; Mogollón, M Victoria; Cárdenas-Reyes, Ivonne; Cicerchia, Marcos; García-Giustiniani, Diego; Lamounier Jr., Arsonval; Gil-Fournier, Belén; Díaz-Flores, Felícitas; Salguero, Rafael; [...]

Mutations in TRIM63 cause an autosomal-recessive form of hypertrophic cardiomyopathy

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  • Medientyp: E-Artikel
  • Titel: Mutations in TRIM63 cause an autosomal-recessive form of hypertrophic cardiomyopathy
  • Beteiligte: Salazar-Mendiguchía, Joel; Ochoa, Juan Pablo; Palomino-Doza, Julian; Domínguez, Fernando; Díez-López, Carles; Akhtar, Mohammed; Ramiro-León, Soraya; Clemente, María M; Pérez-Cejas, Antonia; Robledo, María; Gómez-Díaz, Iria; Peña-Peña, María Luisa; Climent, Vicente; Salmerón-Martínez, Francisco; Hernández, Celestino; García-Granja, Pablo E; Mogollón, M Victoria; Cárdenas-Reyes, Ivonne; Cicerchia, Marcos; García-Giustiniani, Diego; Lamounier Jr., Arsonval; Gil-Fournier, Belén; Díaz-Flores, Felícitas; Salguero, Rafael; [...]
  • Erschienen: BMJ, 2020
  • Erschienen in: Heart
  • Sprache: Englisch
  • DOI: 10.1136/heartjnl-2020-316913
  • ISSN: 1355-6037; 1468-201X
  • Entstehung:
  • Anmerkungen:
  • Beschreibung: <jats:sec><jats:title>Objective</jats:title><jats:p>Up to 50% of patients with hypertrophic cardiomyopathy (HCM) show no disease-causing variants in genetic studies. <jats:italic>TRIM63</jats:italic> has been suggested as a candidate gene for the development of cardiomyopathies, although evidence for a causative role in HCM is limited. We sought to investigate the relationship between rare variants in <jats:italic>TRIM63</jats:italic> and the development of HCM.</jats:p></jats:sec><jats:sec><jats:title>Methods</jats:title><jats:p><jats:italic>TRIM63</jats:italic> was sequenced by next generation sequencing in 4867 index cases with a clinical diagnosis of HCM and in 3628 probands with other cardiomyopathies. Additionally, 3136 index cases with familial cardiovascular diseases other than cardiomyopathy (mainly channelopathies and aortic diseases) were used as controls.</jats:p></jats:sec><jats:sec><jats:title>Results</jats:title><jats:p>Sixteen index cases with rare homozygous or compound heterozygous variants in <jats:italic>TRIM63</jats:italic> (15 HCM and one restrictive cardiomyopathy) were included. No homozygous or compound heterozygous were identified in the control population. Familial evaluation showed that only homozygous and compound heterozygous had signs of disease, whereas all heterozygous family members were healthy. The mean age at diagnosis was 35 years (range 15–69). Fifty per cent of patients had concentric left ventricular hypertrophy (LVH) and 45% were asymptomatic at the moment of the first examination. Significant degrees of late gadolinium enhancement were detected in 80% of affected individuals, and 20% of patients had left ventricular (LV) systolic dysfunction. Fifty per cent had non-sustained ventricular tachycardia. Twenty per cent of patients suffered an adverse cerebrovascular event (20%).</jats:p></jats:sec><jats:sec><jats:title>Conclusion</jats:title><jats:p><jats:italic>TRIM63</jats:italic> appears to be an uncommon cause of HCM inherited in an autosomal-recessive manner and associated with concentric LVH and a high rate of LV dysfunction.</jats:p></jats:sec>