Skip to main content

Thank you for visiting nature.com. You are using a browser version with limited support for CSS. To obtain the best experience, we recommend you use a more up to date browser (or turn off compatibility mode in Internet Explorer). In the meantime, to ensure continued support, we are displaying the site without styles and JavaScript.

  • News & Views
  • Published:

The physiological response to cardiovascular 'orphan' G protein-coupled receptor agonists

Abstract

Cardiac pressor agents typically reduce the amount of blood pumped with each heartbeat. Cardiovascular hemodynamic principles can show whether such a response is physiologic or maladaptive.

This is a preview of subscription content, access via your institution

Access options

Buy this article

Prices may be subject to local taxes which are calculated during checkout

Figure 1: Left ventricular pressure–volume loops depicting one cardiac cycle.

References

  1. Sakurai, T. et al. Orexins and orexin receptors: a family of hypothalamic neuropeptides and G protein-coupled receptors that regulate feeding behavior. Cell 92, 573–585 ( 1998).

    Article  CAS  Google Scholar 

  2. Tatemoto, K. et al. Isolation and characterization of a novel endogenous peptide ligand for the human APJ receptor. Biochem. Biophys. Res. Commun. 251, 471–476 ( 1998).

    Article  CAS  Google Scholar 

  3. Ames, R.S. et al. Human urotensin-II is a potent vasoconstrictor and agonist for the orphan receptor GPR14. Nature 401, 282 –286 (1999).

    Article  CAS  Google Scholar 

  4. Nothacker, H.-P. et al. Identification of the natural ligand of an orphan G-protein-coupled receptor involved in the regulation of vasoconstriction. Nature Cell Biol. 1, 383–385 ( 1999).

    Article  CAS  Google Scholar 

  5. Kass, D.A., Maughan, W.L., Guo, Z.M., Kono, A., Sunagawa, K. & Sagawa, K. Circulation 76, 1421–1436 (1987).

    Article  Google Scholar 

  6. Feldman, M.D. et al. Acute cardiovascular effects of OPC-18790 in patients with congestive heart failure. Time- and dose-dependence analysis based on pressure-volume relations. Circulation 93, 474– 483 (1996).

    Article  CAS  Google Scholar 

  7. Suga, H. & Sagawa, K. Instantaneous pressure-volume relationships and their ratio in the excised, supported canine left ventricle. Circ. Res. 35, 117–126 ( 1974).

    Article  CAS  Google Scholar 

  8. Suga, H., Sagawa, K. & Shoukas, A.A. Load independence of the instantaneous pressure-volume ratio of the canine left ventricle and effects of epinephrine and heart rate on the ratio. Circ. Res. 32, 314– 322 (1973).

    Article  CAS  Google Scholar 

  9. Sunagawa, K., Maughan, W.L., Burkhoff, D. & Sagawa, K. Left ventricular interaction with arterial load studied in isolated canine ventricle. Am. J. Physiol. 245, H773– H780 (1983).

    CAS  PubMed  Google Scholar 

  10. Ekelund, U.E.G., et al. Intravenous allopurinol decreases myocardial oxygen consumption and increases mechanical efficiency in dogs with pacing-induced heart failure. Circ. Res. 85, 437–445 (1999).

    Article  CAS  Google Scholar 

  11. Georgakopoulos, D. et al. In vivo murine left ventricular pressure-volume relations by miniaturized conductance micromanometry. Am. J. Physiol. 274, H1416–H1422(1998).

    CAS  Google Scholar 

  12. Grover, R. et al. An open-label dose escalation study of the nitric oxide synthase inhibitor, N(G)-methyl-L-arginine hydrochloride (546C88), in patients with septic shock. Glaxo Wellcome International Septic Shock Study Group. Crit. Care Med. 27, 913–922 (1999).

    Article  CAS  Google Scholar 

  13. Lee, R.W., Standaert, S., Lancaster, L.D., Buckley, D. & Goldman, S. J Cardiac and peripheral circulatory responses to angiotension and vasopressin in dogs. Clin. Invest. 82, 413–419 ( 1988).

    Article  CAS  Google Scholar 

  14. Kelly, R.P. et al. Effective arterial elastance as index of arterial vascular load in humans. Circulation 86, 513– 521 (1992).

    Article  CAS  Google Scholar 

Download references

Author information

Authors and Affiliations

Authors

Rights and permissions

Reprints and permissions

About this article

Cite this article

Hare, J., Kass, D. & Stamler, J. The physiological response to cardiovascular 'orphan' G protein-coupled receptor agonists. Nat Med 5, 1241–1242 (1999). https://doi.org/10.1038/15193

Download citation

  • Issue Date:

  • DOI: https://doi.org/10.1038/15193

This article is cited by

Search

Quick links

Nature Briefing

Sign up for the Nature Briefing newsletter — what matters in science, free to your inbox daily.

Get the most important science stories of the day, free in your inbox. Sign up for Nature Briefing