Seek and destroy

The ubiquitin-proteasome system in cardiac disease

Monte Willis, Jessica E. Rodríoguez, Jonathan C. Schisler, Cam Patterson

Research output: Contribution to journalReview article

15 Citations (Scopus)

Abstract

The ubiquitin-proteasome system (UPS) is a major proteolytic system that regulates the degradation of intracellular proteins in the heart. The UPS regulates the turnover of misfolded and damaged proteins, in addition to numerous cellular processes, by affecting the stability of short-lived proteins such as transcription factors and cell signaling pathways. The UPS is tightly regulated by the specificity of ubiquitin ligases that recognize specific substrates and direct the addition of ubiquitin, targeting the substrates for degradation by the 26S proteasome. An increasing number of cardiac ubiquitin ligases have been identified, and the number of substrates each one is known to recognize also has increased, expanding their roles. Although mainly cardioprotective roles have been attributed to ubiquitin ligases, new studies have identified exceptions to this rule. This review discusses the mechanisms of cardiac ubiquitin ligases and identifies their role in common cardiac diseases including cardiac hypertrophy, cardiac atrophy, ischemic heart disease, and diabetic cardiomyopathy.

Original languageEnglish (US)
Pages (from-to)396-405
Number of pages10
JournalCurrent Hypertension Reports
Volume11
Issue number6
DOIs
StatePublished - Dec 1 2009
Externally publishedYes

Fingerprint

Proteasome Endopeptidase Complex
Ubiquitin
Heart Diseases
Ligases
Diabetic Cardiomyopathies
Cardiomegaly
Proteolysis
Atrophy
Myocardial Ischemia
Proteins
Transcription Factors

ASJC Scopus subject areas

  • Internal Medicine

Cite this

Seek and destroy : The ubiquitin-proteasome system in cardiac disease. / Willis, Monte; Rodríoguez, Jessica E.; Schisler, Jonathan C.; Patterson, Cam.

In: Current Hypertension Reports, Vol. 11, No. 6, 01.12.2009, p. 396-405.

Research output: Contribution to journalReview article

Willis, Monte ; Rodríoguez, Jessica E. ; Schisler, Jonathan C. ; Patterson, Cam. / Seek and destroy : The ubiquitin-proteasome system in cardiac disease. In: Current Hypertension Reports. 2009 ; Vol. 11, No. 6. pp. 396-405.
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