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Science 22 April 1994:
Vol. 264. no. 5158, pp. 582 - 586
DOI: 10.1126/science.8160017

Articles

Science, Vol 264, Issue 5158, 582-586
Copyright © 1994 by American Association for the Advancement of Science


articles

Enhanced myocardial function in transgenic mice overexpressing the beta 2-adrenergic receptor

CA Milano, LF Allen, HA Rockman, PC Dolber, TR McMinn, KR Chien, TD Johnson, RA Bond, and RJ Lefkowitz

Department of Surgery, Duke University Medical Center, Durham, NC 27710.

Transgenic mice were created with cardiac-specific overexpression of the beta 2-adrenergic receptor. This resulted in increased basal myocardial adenylyl cyclase activity, enhanced atrial contractility, and increased left ventricular function in vivo; these parameters at baseline in the transgenic animals were equal to those observed in control animals maximally stimulated with isoproterenol. These results illustrate a useful approach for studying the effect of gene expression on cardiac contractility. Because chronic heart failure in humans is accompanied by a reduction in the number of myocardial beta-adrenergic receptors and in inotropic responsiveness, these results suggest a potential gene therapy approach to this disease state.


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Relation of tissue Doppler derived myocardial velocities to myocardial structure and beta-adrenergic receptor density in humans.
K. Shan, R. J. Bick, B. J. Poindexter, S. Shimoni, G. V. Letsou, M. J. Reardon, J. F. Howell, W. A. Zoghbi, and S. F. Nagueh (2000)
J. Am. Coll. Cardiol. 36, 891-896
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Adenovirus-mediated genetic manipulation of the myocardial {beta}-adrenergic signaling system in transplanted hearts.
A. S. Shah, D. C. White, O. Tai, J. A. Hata, K. H. Wilson, A. Pippen, A. P. Kypson, D. D. Glower, R. J. Lefkowitz, and W. J. Koch (2000)
J. Thorac. Cardiovasc. Surg. 120, 581-588
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Stoichiometry and Compartmentation in G Protein-Coupled Receptor Signaling: Implications for Therapeutic Interventions Involving Gs.
R. S. Ostrom, S. R. Post, and P. A. Insel (2000)
J. Pharmacol. Exp. Ther. 294, 407-412
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Transgenic overexpression of beta 2-adrenergic receptors in airway epithelial cells decreases bronchoconstriction.
D. W. McGraw, S. L. Forbes, J. C. W. Mak, D. P. Witte, P. E. Carrigan, G. D. Leikauf, and S. B. Liggett (2000)
Am J Physiol Lung Cell Mol Physiol 279, L379-L389
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{beta}-Adrenergic Receptor Subtypes Differentially Affect Apoptosis in Adult Rat Ventricular Myocytes.
M. Zaugg, W. Xu, E. Lucchinetti, S. A. Shafiq, N. Z. Jamali, and M. A. Q. Siddiqui (2000)
Circulation 102, 344-350
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{beta}2-Adrenergic receptor overexpression driven by {alpha}-MHC promoter is downregulated in hypertrophied and failing myocardium.
D. J. Sheridan, D. J. Autelitano, B. Wang, E. Percy, E. A. Woodcock, and X.-J. Du (2000)
Cardiovasc Res 47, 133-141
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Coupling Function of Endogenous {alpha}1- and {beta}-Adrenergic Receptors in Mouse Cardiomyocytes.
A. Sabri, E. Pak, S. A. Alcott, B. A. Wilson, and S. F. Steinberg (2000)
Circ. Res. 86, 1047-1053
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Selective Enhancement of beta -Adrenergic Receptor Signaling by Overexpression of Adenylyl Cyclase Type 6: Colocalization of Receptor and Adenylyl Cyclase in Caveolae of Cardiac Myocytes.
R. S. Ostrom, J. D. Violin, S. Coleman, and P. A. Insel (2000)
Mol. Pharmacol. 57, 1075-1079
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Enhanced Cardiac Function in Transgenic Mice Expressing a Ca2+-Stimulated Adenylyl Cyclase.
L. Lipskaia, N. Defer, G. Esposito, I. Hajar, M.-C. Garel, H. A. Rockman, and J. Hanoune (2000)
Circ. Res. 86, 795-801
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Catecholamines, Cardiac {beta}-Adrenergic Receptors, and Heart Failure.
R. J. Lefkowitz, H. A. Rockman, and W. J. Koch (2000)
Circulation 101, 1634-1637
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Early and Delayed Consequences of {beta}2-Adrenergic Receptor Overexpression in Mouse Hearts : Critical Role for Expression Level.
S. B. Liggett, N. M. Tepe, J. N. Lorenz, A. M. Canning, T. D. Jantz, S. Mitarai, A. Yatani, and G. W. Dorn II (2000)
Circulation 101, 1707-1714
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{beta}-Adrenergic Receptor Signaling: An Acute Compensatory Adjustment--Inappropriate for the Chronic Stress of Heart Failure? : Insights from Gs{alpha} Overexpression and Other Genetically Engineered Animal Models.
S. F. Vatner, D. E. Vatner, and C. J. Homcy (2000)
Circ. Res. 86, 502-506
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Modulation of mouse cardiac function in vivo by eNOS and ANP.
R. Gyurko, P. Kuhlencordt, M. C. Fishman, and P. L. Huang (2000)
Am J Physiol Heart Circ Physiol 278, H971-H981
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