Decreased toxicity of d-tubocurarine after pretreatment with drugs elevating the intracellular level of c-AMP in mice
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Summary
The toxicity of d-tubocurarine in mice was slightly but significantly reduced after pretreatment with drugs which are known to increase the intracellular level of c-AMP. Papaverine, theophylline and ephedrine elevated the LD50 values of d-tubocurarine by 12 to 26%. The dibutyryl derivative of c-AMP as well as c-GMP were also active in this respect.
Key words
d-Tubocurarine Cyclic AMP Cyclic GMP Phosphodiesterase InhibitorsPreview
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References
- Bauer, V., Čapek, R.: Studies on the neuropharmacology of papaverine. II. The effect on neuromuscular transmission in the whole animal. Neuropharmacology 10, 507–511 (1971).Google Scholar
- Breckenridge, B. M., Burn, J. H., Matschinsky, F. M.: Theophylline, epinephrine and neostigmine facilitation of neuromuscular potentiation. Proc. nat. Acad. Sci. (Wash.) 57, 1893–1897 (1967).Google Scholar
- Carvalho, A. P.: Calcium-binding properties of sarcoplasmic reticulum as influenced by ATP, caffeine, quinine and local anesthetics. J. gen. Physiol. 52, 622–642 (1968).Google Scholar
- Entman, M. L., Levey, G. S., Epstein, S. E.: Mechanism of action of epinephrine and glucagon on the canine heart. Evidence for increase in sarcotubular calcium stores modified by cyclic 3′,5′-AMP. Circulat. Res. 25, 429–438 (1969).Google Scholar
- Greengard, P., Costa, E.: Role of cyclic AMP in cell function. Advanc. Biochem. Psychopharmacol, Vol. 3, New York: Raven Press 1970.Google Scholar
- Jenkinson, D. H., Stamenović, B. A., Whitaker, B. D. L.: The effect of noradrenaline on the end-plate potential in twich fibers of the frog. J. Physiol. (Lond.) 195, 743–754 (1968).Google Scholar
- Klainer, L. M., Chi, Y. M., Friedberg, S. L., Rall, T. W., Sutherland, E. W.: Adenyl cyclase: IV. The effects of neurohormones on the formation of adenosine-3′,5′-phosphate by preparations from brain and other tissues. J. biol. Chem. 237, 1239–1243 (1962).Google Scholar
- Krnjević, K., Miledi, R.: Some effects produced by adrenaline upon neuromuscular propagation in rats. J. Physiol. (Lond.) 141, 291–304 (1958).Google Scholar
- Kukovetz, W. R., Pöch, G.: Inhibition of cyclic-3′,5′-nucleotide phosphodiesterase as a possible mode of action of papaverine and similarly acting drugs. Naunyn-Schmiedebergs Arch. Pharmak. 267, 189–194 (1970).Google Scholar
- Miller, L. C., Tainter, M. L.: Estimation of ED50 and its error by means of logarithmic-Probit Graph Paper. Proc. Soc. exp. Biol. (N. Y.) 57, 261–264 (1964).Google Scholar
- Robison, G. A., Butcher, R. W., Sutherland, E. W.: Cyclic AMP. Ann. Rev. Biochem. 37, 149–174 (1968).Google Scholar
- Shinebourne, E. A., Hess, M. L., White, R. J., Hamer, J.: The effect of noradrenaline on the calcium uptake of the sarcoplasmic reticulum. Cardiovasc. Res. 3, 113–117 (1969).Google Scholar
- Singer, J. J., Goldberg, A. L.: Cyclic AMP and transmission at the neuromuscular junction. In: P. Greengard and E. Costa: Role of cyclic AMP in cell function. Advanc. Biochem. Psychopharmacol, Vol. 3, pp. 335–348. New York: Raven Press 1970.Google Scholar
- Varagić, V. M., Žugić, M.: Interactions of xanthine derivatives, catecholamines and glucose-6-phosphate on the isolated phrenic nerve diaphragm preparation of the rat. Pharmacology 5, 275–286 (1971).Google Scholar
- Weber, A., Herz, R.: The relationship between caffeine contracture of intact muscle and the effect of caffeine on reticulum. J. gen. Physiol. 52, 750–759 (1968).Google Scholar
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