The ubiquitin-proteasome system and nonsense-mediated mRNA decay in hypertrophic cardiomyopathy

Lucie Carrier, Saskia Schlossarek, Monte Willis, Thomas Eschenhagen

Research output: Contribution to journalReview article

52 Citations (Scopus)

Abstract

Cardiomyopathies represent an important cause of cardiovascular morbidity and mortality due to heart failure, arrhythmias, and sudden death. Most forms of hypertrophic cardiomyopathy (HCM) are familial with an autosomal-dominant mode of inheritance. Over the last 20 years, the genetic basis of the disease has been largely unravelled. HCM is considered as a sarcomeropathy involving mutations in sarcomeric proteins, most often β-myosin heavy chain and cardiac myosin-binding protein C. 'Missense' mutations, more common in the former, are associated with dysfunctional proteins stably integrated into the sarcomere. 'Nonsense' and frameshift mutations, more common in the latter, are associated with low mRNA and protein levels derived from the diseased allele, leading to haploinsufficiency of the remaining healthy allele. The two quality control systems responsible for the removal of the affected mRNAs and proteins are the nonsense-mediated mRNA decay (NMD) and the ubiquitin-proteasome system (UPS), respectively. This review discusses clinical and genetic aspects of HCM and the role of NMD and UPS in the regulation of mutant proteins, evidence for impairment of UPS as a pathogenic factor, as well as potential therapies for HCM.

Original languageEnglish (US)
Pages (from-to)330-338
Number of pages9
JournalCardiovascular Research
Volume85
Issue number2
DOIs
StatePublished - Jan 1 2010
Externally publishedYes

Fingerprint

Nonsense Mediated mRNA Decay
Hypertrophic Cardiomyopathy
Proteasome Endopeptidase Complex
Ubiquitin
Proteins
Familial Hypertrophic Cardiomyopathy
Alleles
Cardiac Myosins
Haploinsufficiency
Messenger RNA
Sarcomeres
Frameshift Mutation
Inborn Genetic Diseases
Myosin Heavy Chains
Nonsense Codon
Missense Mutation
Mutant Proteins
Sudden Death
Cardiomyopathies
Quality Control

Keywords

  • Cardiomyopathy
  • Hypertrophy
  • Nonsense-mediated mRNA decay
  • Ubiquitin-proteasome system

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine
  • Physiology (medical)
  • Physiology

Cite this

The ubiquitin-proteasome system and nonsense-mediated mRNA decay in hypertrophic cardiomyopathy. / Carrier, Lucie; Schlossarek, Saskia; Willis, Monte; Eschenhagen, Thomas.

In: Cardiovascular Research, Vol. 85, No. 2, 01.01.2010, p. 330-338.

Research output: Contribution to journalReview article

Carrier, Lucie ; Schlossarek, Saskia ; Willis, Monte ; Eschenhagen, Thomas. / The ubiquitin-proteasome system and nonsense-mediated mRNA decay in hypertrophic cardiomyopathy. In: Cardiovascular Research. 2010 ; Vol. 85, No. 2. pp. 330-338.
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