Differential regulation of EHD3 in human and mammalian heart failure

Hjalti Gudmundsson, Jerry Curran, Farshid Kashef, Jedidiah S. Snyder, Sakima A. Smith, Pedro Vargas-Pinto, Ingrid M. Bonilla, Robert M. Weiss, Mark Anderson, Philip Binkley, Robert B. Felder, Cynthia A. Carnes, Hamid Band, Thomas J. Hund, Peter J. Mohler

Research output: Contribution to journalArticle

Abstract

Electrical and structural remodeling during the progression of cardiovascular disease is associated with adverse outcomes subjecting affected patients to overt heart failure (HF) and/or sudden death. Dysfunction in integral membrane protein trafficking has long been linked with maladaptive electrical remodeling. However, little is known regarding the molecular identity or function of these intracellular targeting pathways in the heart. Eps15 homology domain-containing (EHD) gene products (EHD1-4) are polypeptides linked with endosomal trafficking, membrane protein recycling, and lipid homeostasis in a wide variety of cell types. EHD3 was recently established as a critical mediator of membrane protein trafficking in the heart. Here, we investigate the potential link between EHD3 function and heart disease. Using four different HF models including ischemic rat heart, pressure overloaded mouse heart, chronic pacing-induced canine heart, and non-ischemic failing human myocardium we provide the first evidence that EHD3 levels are consistently increased in HF. Notably, the expression of the Na/Ca exchanger (NCX1), targeted by EHD3 in heart is similarly elevated in HF. Finally, we identify a molecular pathway for EHD3 regulation in heart failure downstream of reactive oxygen species and angiotensin II signaling. Together, our new data identify EHD3 as a previously unrecognized component of the cardiac remodeling pathway.

Original languageEnglish (US)
Pages (from-to)1183-1190
Number of pages8
JournalJournal of Molecular and Cellular Cardiology
Volume52
Issue number5
DOIs
StatePublished - May 2012
Externally publishedYes

Fingerprint

Heart Failure
Atrial Remodeling
Membrane Proteins
Protein Transport
Recycling
Membrane Lipids
Sudden Death
Angiotensin II
Canidae
Heart Diseases
Reactive Oxygen Species
Myocardium
Homeostasis
Cardiovascular Diseases
Pressure
Peptides
Genes

Keywords

  • Animal models
  • Cardiac remodeling
  • EHD proteins
  • Heart failure
  • Regulation

ASJC Scopus subject areas

  • Molecular Biology
  • Cardiology and Cardiovascular Medicine

Cite this

Gudmundsson, H., Curran, J., Kashef, F., Snyder, J. S., Smith, S. A., Vargas-Pinto, P., ... Mohler, P. J. (2012). Differential regulation of EHD3 in human and mammalian heart failure. Journal of Molecular and Cellular Cardiology, 52(5), 1183-1190. https://doi.org/10.1016/j.yjmcc.2012.02.008

Differential regulation of EHD3 in human and mammalian heart failure. / Gudmundsson, Hjalti; Curran, Jerry; Kashef, Farshid; Snyder, Jedidiah S.; Smith, Sakima A.; Vargas-Pinto, Pedro; Bonilla, Ingrid M.; Weiss, Robert M.; Anderson, Mark; Binkley, Philip; Felder, Robert B.; Carnes, Cynthia A.; Band, Hamid; Hund, Thomas J.; Mohler, Peter J.

In: Journal of Molecular and Cellular Cardiology, Vol. 52, No. 5, 05.2012, p. 1183-1190.

Research output: Contribution to journalArticle

Gudmundsson, H, Curran, J, Kashef, F, Snyder, JS, Smith, SA, Vargas-Pinto, P, Bonilla, IM, Weiss, RM, Anderson, M, Binkley, P, Felder, RB, Carnes, CA, Band, H, Hund, TJ & Mohler, PJ 2012, 'Differential regulation of EHD3 in human and mammalian heart failure', Journal of Molecular and Cellular Cardiology, vol. 52, no. 5, pp. 1183-1190. https://doi.org/10.1016/j.yjmcc.2012.02.008
Gudmundsson H, Curran J, Kashef F, Snyder JS, Smith SA, Vargas-Pinto P et al. Differential regulation of EHD3 in human and mammalian heart failure. Journal of Molecular and Cellular Cardiology. 2012 May;52(5):1183-1190. https://doi.org/10.1016/j.yjmcc.2012.02.008
Gudmundsson, Hjalti ; Curran, Jerry ; Kashef, Farshid ; Snyder, Jedidiah S. ; Smith, Sakima A. ; Vargas-Pinto, Pedro ; Bonilla, Ingrid M. ; Weiss, Robert M. ; Anderson, Mark ; Binkley, Philip ; Felder, Robert B. ; Carnes, Cynthia A. ; Band, Hamid ; Hund, Thomas J. ; Mohler, Peter J. / Differential regulation of EHD3 in human and mammalian heart failure. In: Journal of Molecular and Cellular Cardiology. 2012 ; Vol. 52, No. 5. pp. 1183-1190.
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