Autosomal recessive dilated cardiomyopathy due to DOLK mutations results from abnormal dystroglycan O-mannosylation

Dirk J. Lefeber, Arjan P M de Brouwer, Eva Morava-Kozicz, Moniek Riemersma, Janneke H M Schuurs-Hoeijmakers, Birgit Absmanner, Kiek Verrijp, Willem M R van den Akker, Karin Huijben, Gerry Steenbergen, Jeroen van Reeuwijk, Adam Jozwiak, Nili Zucker, Avraham Lorber, Martin Lammens, Carlos Knopf, Hans van Bokhoven, Stephanie Grünewald, Ludwig Lehle, Livia Kapusta & 2 others Hanna Mandel, Ron A. Wevers

Research output: Contribution to journalArticle

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Abstract

Genetic causes for autosomal recessive forms of dilated cardiomyopathy (DCM) are only rarely identified, although they are thought to contribute considerably to sudden cardiac death and heart failure, especially in young children. Here, we describe 11 young patients (5-13 years) with a predominant presentation of dilated cardiomyopathy (DCM). Metabolic investigations showed deficient protein N-glycosylation, leading to a diagnosis of Congenital Disorders of Glycosylation (CDG). Homozygosity mapping in the consanguineous families showed a locus with two known genes in the N-glycosylation pathway. In all individuals, pathogenic mutations were identified in DOLK, encoding the dolichol kinase responsible for formation of dolichol-phosphate. Enzyme analysis in patients' fibroblasts confirmed a dolichol kinase deficiency in all families. In comparison with the generally multisystem presentation in CDG, the nonsyndromic DCM in several individuals was remarkable. Investigation of other dolichol-phosphate dependent glycosylation pathways in biopsied heart tissue indicated reduced O-mannosylation of alpha-dystroglycan with concomitant functional loss of its laminin-binding capacity, which has been linked to DCM. We thus identified a combined deficiency of protein N-glycosylation and alpha-dystroglycan O-mannosylation in patients with nonsyndromic DCM due to autosomal recessive DOLK mutations.

Original languageEnglish (US)
Article numbere1002427
JournalPLoS Genetics
Volume7
Issue number12
DOIs
StatePublished - Dec 1 2011
Externally publishedYes

Fingerprint

Dystroglycans
cardiomyopathy
Dilated Cardiomyopathy
glycosylation
dolichols
mutation
Glycosylation
phosphate
Dolichol Phosphates
Mutation
Congenital Disorders of Glycosylation
protein
dolichol kinase
enzyme
Heart Failure
gene
phosphotransferases (kinases)
phosphates
Sudden Cardiac Death
Laminin

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Molecular Biology
  • Genetics
  • Genetics(clinical)
  • Cancer Research

Cite this

Lefeber, D. J., de Brouwer, A. P. M., Morava-Kozicz, E., Riemersma, M., Schuurs-Hoeijmakers, J. H. M., Absmanner, B., ... Wevers, R. A. (2011). Autosomal recessive dilated cardiomyopathy due to DOLK mutations results from abnormal dystroglycan O-mannosylation. PLoS Genetics, 7(12), [e1002427]. https://doi.org/10.1371/journal.pgen.1002427

Autosomal recessive dilated cardiomyopathy due to DOLK mutations results from abnormal dystroglycan O-mannosylation. / Lefeber, Dirk J.; de Brouwer, Arjan P M; Morava-Kozicz, Eva; Riemersma, Moniek; Schuurs-Hoeijmakers, Janneke H M; Absmanner, Birgit; Verrijp, Kiek; van den Akker, Willem M R; Huijben, Karin; Steenbergen, Gerry; van Reeuwijk, Jeroen; Jozwiak, Adam; Zucker, Nili; Lorber, Avraham; Lammens, Martin; Knopf, Carlos; van Bokhoven, Hans; Grünewald, Stephanie; Lehle, Ludwig; Kapusta, Livia; Mandel, Hanna; Wevers, Ron A.

In: PLoS Genetics, Vol. 7, No. 12, e1002427, 01.12.2011.

Research output: Contribution to journalArticle

Lefeber, DJ, de Brouwer, APM, Morava-Kozicz, E, Riemersma, M, Schuurs-Hoeijmakers, JHM, Absmanner, B, Verrijp, K, van den Akker, WMR, Huijben, K, Steenbergen, G, van Reeuwijk, J, Jozwiak, A, Zucker, N, Lorber, A, Lammens, M, Knopf, C, van Bokhoven, H, Grünewald, S, Lehle, L, Kapusta, L, Mandel, H & Wevers, RA 2011, 'Autosomal recessive dilated cardiomyopathy due to DOLK mutations results from abnormal dystroglycan O-mannosylation', PLoS Genetics, vol. 7, no. 12, e1002427. https://doi.org/10.1371/journal.pgen.1002427
Lefeber, Dirk J. ; de Brouwer, Arjan P M ; Morava-Kozicz, Eva ; Riemersma, Moniek ; Schuurs-Hoeijmakers, Janneke H M ; Absmanner, Birgit ; Verrijp, Kiek ; van den Akker, Willem M R ; Huijben, Karin ; Steenbergen, Gerry ; van Reeuwijk, Jeroen ; Jozwiak, Adam ; Zucker, Nili ; Lorber, Avraham ; Lammens, Martin ; Knopf, Carlos ; van Bokhoven, Hans ; Grünewald, Stephanie ; Lehle, Ludwig ; Kapusta, Livia ; Mandel, Hanna ; Wevers, Ron A. / Autosomal recessive dilated cardiomyopathy due to DOLK mutations results from abnormal dystroglycan O-mannosylation. In: PLoS Genetics. 2011 ; Vol. 7, No. 12.
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