Endothelin in human congestive heart failure

Chi Ming Wei, Amir Lerman, Richard J. Rodeheffer, Christopher G A McGregor, Roland R. Brandt, R. Scott Wright, Denise M. Heublein, Pai C. Kao, William D. Edwards, John C Jr. Burnett

Research output: Contribution to journalArticle

511 Citations (Scopus)

Abstract

Background: Although recent investigations, report the elevation of plasma endothelin (ET) in congestive heart failure (CHF), it remains unclear if this elevation is that of the biologically active peptide ET-1 or of its precursor big-ET. Furthermore, it is unclear if such elevation is associated with increased myocardial ET and if the molecular form from cardiac tissue is altered ET. Last, it remains to be established whether circulating ET is increased at the earliest stage of CHF in patients with asymptomatic left ventricular dysfunction and correlates with the magnitude of ventricular dysfunction. Methods and Results: The present study was designed to investigate concentrations and molecular forms of ET in plasma and cardiac tissue in healthy subjects and CHF patients with New York Heart Association (NYHA) class I through IV using cardiac radionuclide angiogram, cardiac myocardial biopsy, radioimmunoassay, gel permeation chromatography (GPC), and immunohistochemical staining (IHCS). Plasma ET was increased only in patients with moderate (NYHA class III) or severe (NYHA class IV) CHF compared with healthy subjects and individuals with asymptomatic (NYHA class I) or mild (NYHA class II) CHF. The elevation of circulating ET in CHF showed a negative correlation with left ventricular ejection fraction and cardiac index and a positive correlation with functional class and left ventricular end-diastolic volume index. GPC demonstrated that immunoreactive plasma ET was ET-1 in healthy subjects and both mature ET-1 and its precursor big-ET in severe CHF patients with big-ET the predominant molecular form. Cardiac tissue concentrations and IHCS revealed ET presence in healthy atrial and ventricular tissue, which were not different in severe CHF, GPC revealed that the molecular form of cardiac ET was ET-1 in both healthy and CHF hearts. Conclusions: The present study establishes for the first time that the elevation of plasma ET in severe human CHF represents principally elevation of big-ET. Second, ET is present in healthy and failing myocardia, and its activity by both immunohistochemistry and radioimmunoassay is not changed in CHF. Furthermore, the elevated plasma ET is characteristic of severe CHF and not asymptomatic or mild CHF. In addition, the degree of plasma elevation of ET correlates with the magnitude of alterations in cardiac hemodynamics and functional class. The present study confirms and extends previous investigations of ET in human CHF and establishes the evolution of circulating and local cardiac ET in the spectrum of human CHF.

Original languageEnglish (US)
Pages (from-to)1580-1586
Number of pages7
JournalCirculation
Volume89
Issue number4
StatePublished - Apr 1994

Fingerprint

Endothelins
Heart Failure
Endothelin-1
Gel Chromatography
Healthy Volunteers
Stroke Volume
Radioimmunoassay
Staining and Labeling
Ventricular Dysfunction
Left Ventricular Dysfunction
Radioisotopes

Keywords

  • chromatography, gel permeation
  • congestive heart failure
  • endothelin
  • vasoconstriction

ASJC Scopus subject areas

  • Physiology
  • Cardiology and Cardiovascular Medicine

Cite this

Wei, C. M., Lerman, A., Rodeheffer, R. J., McGregor, C. G. A., Brandt, R. R., Wright, R. S., ... Burnett, J. C. J. (1994). Endothelin in human congestive heart failure. Circulation, 89(4), 1580-1586.

Endothelin in human congestive heart failure. / Wei, Chi Ming; Lerman, Amir; Rodeheffer, Richard J.; McGregor, Christopher G A; Brandt, Roland R.; Wright, R. Scott; Heublein, Denise M.; Kao, Pai C.; Edwards, William D.; Burnett, John C Jr.

In: Circulation, Vol. 89, No. 4, 04.1994, p. 1580-1586.

Research output: Contribution to journalArticle

Wei, CM, Lerman, A, Rodeheffer, RJ, McGregor, CGA, Brandt, RR, Wright, RS, Heublein, DM, Kao, PC, Edwards, WD & Burnett, JCJ 1994, 'Endothelin in human congestive heart failure', Circulation, vol. 89, no. 4, pp. 1580-1586.
Wei CM, Lerman A, Rodeheffer RJ, McGregor CGA, Brandt RR, Wright RS et al. Endothelin in human congestive heart failure. Circulation. 1994 Apr;89(4):1580-1586.
Wei, Chi Ming ; Lerman, Amir ; Rodeheffer, Richard J. ; McGregor, Christopher G A ; Brandt, Roland R. ; Wright, R. Scott ; Heublein, Denise M. ; Kao, Pai C. ; Edwards, William D. ; Burnett, John C Jr. / Endothelin in human congestive heart failure. In: Circulation. 1994 ; Vol. 89, No. 4. pp. 1580-1586.
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AU - Wright, R. Scott

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N2 - Background: Although recent investigations, report the elevation of plasma endothelin (ET) in congestive heart failure (CHF), it remains unclear if this elevation is that of the biologically active peptide ET-1 or of its precursor big-ET. Furthermore, it is unclear if such elevation is associated with increased myocardial ET and if the molecular form from cardiac tissue is altered ET. Last, it remains to be established whether circulating ET is increased at the earliest stage of CHF in patients with asymptomatic left ventricular dysfunction and correlates with the magnitude of ventricular dysfunction. Methods and Results: The present study was designed to investigate concentrations and molecular forms of ET in plasma and cardiac tissue in healthy subjects and CHF patients with New York Heart Association (NYHA) class I through IV using cardiac radionuclide angiogram, cardiac myocardial biopsy, radioimmunoassay, gel permeation chromatography (GPC), and immunohistochemical staining (IHCS). Plasma ET was increased only in patients with moderate (NYHA class III) or severe (NYHA class IV) CHF compared with healthy subjects and individuals with asymptomatic (NYHA class I) or mild (NYHA class II) CHF. The elevation of circulating ET in CHF showed a negative correlation with left ventricular ejection fraction and cardiac index and a positive correlation with functional class and left ventricular end-diastolic volume index. GPC demonstrated that immunoreactive plasma ET was ET-1 in healthy subjects and both mature ET-1 and its precursor big-ET in severe CHF patients with big-ET the predominant molecular form. Cardiac tissue concentrations and IHCS revealed ET presence in healthy atrial and ventricular tissue, which were not different in severe CHF, GPC revealed that the molecular form of cardiac ET was ET-1 in both healthy and CHF hearts. Conclusions: The present study establishes for the first time that the elevation of plasma ET in severe human CHF represents principally elevation of big-ET. Second, ET is present in healthy and failing myocardia, and its activity by both immunohistochemistry and radioimmunoassay is not changed in CHF. Furthermore, the elevated plasma ET is characteristic of severe CHF and not asymptomatic or mild CHF. In addition, the degree of plasma elevation of ET correlates with the magnitude of alterations in cardiac hemodynamics and functional class. The present study confirms and extends previous investigations of ET in human CHF and establishes the evolution of circulating and local cardiac ET in the spectrum of human CHF.

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