Founder mutations in the Netherlands: SCN5a 1795insD, the first described arrhythmia overlap syndrome and one of the largest and best characterised families worldwide

P. G. Postema, M. P. Van Den Berg, J. P. Van Tintelen, F. Van Den Heuvel, M. Grundeken, N. Hofman, W. P. Van Der Roest, E. A. Nannenberg, I. P.C. Krapels, C. R. Bezzina, A. A.M. Wilde

Research output: Chapter in Book/Report/Conference proceedingChapterAcademicpeer-review

Abstract

In this part of a series on founder mutations in the Netherlands, we review a Dutch family carrying the SCN5a 1795insD mutation. We describe the advances in our understanding of the premature sudden cardiac deaths that have accompanied this family in the past centuries. The mutation carriers show a unique overlap of long-QT syndrome (type 3), Brugada syndrome and progressive cardiac conduction defects attributed to a single mutation in the cardiac sodium channel gene SCN5a. It is at present one of the largest and best-described families worldwide and we have learned immensely from the mouse strains with the murine homologue of the SCN5a 1795insD mutation (SCN5a 1798insD). From the studies currently performed we are about to obtain new insights into the phenotypic variability in this monogenic arrhythmia syndrome, and this might also be relevant for other arrhythmia syndromes and the general population. (Neth Heart J 2009;17:422-8.).

Original languageEnglish
Title of host publicationFounder Mutations in Inherited Cardiac Diseases in the Netherlands
PublisherBohn Stafleu Van Loghum bv
Pages21-27
Number of pages7
ISBN (Electronic)9789036807050
ISBN (Print)9036807042, 9789036807043
DOIs
Publication statusPublished - 1-Nov-2014

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