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Effect of NO Synthase Blockade on Myocardial Contractility of Hypokinetic Rats during Stimulation of β-Adrenoreceptors

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Bulletin of Experimental Biology and Medicine Aims and scope

Stimulation of β-adrenoreceptors with low (10–8 and 10–7 M) or high (10–6 M) doses of isoproterenol in hypokinetic rats treated with L-NAME (a non-selective blocker of NO synthases) decreased or increased myocardial contractility, respectively. In control rats, all examined doses of isoproterenol used under blockade of NO synthases inhibited myocardial contractility.

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References

  1. R. A. Abzalov, Pumping Function of the Heart in Developing Organism and Locomotor Activity [in Russian] Kazan (2005).

  2. T. L. Zefirov, N. I. Ziyatdinova, and A. L. Zefirov, Age-Related Peculiarities of Inotropic Response of Rat Myocardium to Selective Block of M1-Cholinoreceptors. Bull. Exp. Biol. Med., 158, No. 6, 708-710 (2013).

  3. Latyushin Ya. V., Kamskova Yu. G., Mamylina N. V., and L. P. Schetinkina, Interaction of proinflammatory and antiinflammatory cytokines in process of organism adoptation to 30-days hypokinesia. Vestn. Ural. Med. Akad. Nauk, No. 1, 53-54 (2008).

  4. D. L. Brutsaert, Cardiac endothelial-myocardial signaling: its role in cardiac growth, contractile performance, and rhythmicity. Physiol. Rev., 83, No. 1, 59-115 (2003).

    Article  CAS  PubMed  Google Scholar 

  5. B. Casadei and E. C. Sears, Nitric-oxide-mediated regulation of cardiac contractility and stretch responses. Prog. Biophys. Mol. Biol., 82, Nos. 1-3, 67-80 (2003).

  6. A. Piech, C. Dessy, X. Havaux, O. Feron, and J. L. Balligand, Differential regulation of nitric oxide synthases and their allosteric regulators in heart and vessels of hypertensive rats. Cardiovasc. Res., 57, No. 2, 456-467 (2003).

    Article  CAS  PubMed  Google Scholar 

  7. H. Wang, I. M. Bonilla, X. Huang, Q. He, M. J. Kohr, C.A. Carnes, and M. T. Ziolo, Prolonged action potential and after depolarizations are not due to changes in potassium currents in NOS3 knockout ventricular myocytes. J. Signal Transduct., 2012, doi: 10.1155/2012/645721 (2012).

  8. H. Wang, M. J. Kohr, C. J. Traynham, and M. T. Ziolo, Phosphodiesterase 5 restricts NOS3/Soluble guanylate cyclase signaling to L-type Ca2+ current in cardiac myocytes. J. Mol. Cell. Cardiol., 47, No. 2, 304-314 (2009).

    Article  CAS  PubMed  PubMed Central  Google Scholar 

  9. H. Wang, M. J. Kohr, D. G. Wheeler, M. T. Ziolo, Endothelial nitric oxide synthase decreases beta-adrenergic responsiveness via inhibition of the L-type Ca2+ current. Am. J. Physiol. Heart Circ. Physiol., 294, No. 3, H1473-H1480 (2008).

    Article  CAS  PubMed  PubMed Central  Google Scholar 

  10. M. T. Ziolo, H. Katoh, and D. M. Bers, Positive and negative effects of nitric oxide on Ca(2+) sparks: influence of beta-adrenergic stimulation. Am. J. Physiol. Heart Circ. Physiol., 281, No. 6, H2295-H2303 (2001).

    CAS  PubMed  Google Scholar 

  11. M. T. Ziolo, M. J. Kohr, and H. Wang, Nitric oxide signaling and the regulation of myocardial function. J. Mol. Cell. Cardiol., 45, No. 5, 625-632 (2008).

    Article  CAS  PubMed  PubMed Central  Google Scholar 

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Correspondence to T. L. Zefirov.

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Translated from Byulleten’ Eksperimental’noi Biologii i Meditsiny, Vol. 161, No. 2, pp. 169-172, February, 2016

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Zaripova, R.I., Ziyatdinova, N.I. & Zefirov, T.L. Effect of NO Synthase Blockade on Myocardial Contractility of Hypokinetic Rats during Stimulation of β-Adrenoreceptors. Bull Exp Biol Med 161, 215–217 (2016). https://doi.org/10.1007/s10517-016-3378-2

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  • DOI: https://doi.org/10.1007/s10517-016-3378-2

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