
The effect of delta-sleep peptide (DSP) deficiency on the parasympathetic regulation of the heart rate was studied on 35 rabbits. It was established that the injection of an-serum (titer-1:2000-1:3000) leads to the attenuation of parasympathetic influences: heart rate increase in freely behaving animals and a decrease in negative chronotropic effect with direct vagus irritation. Antiserum, like DSP, administration causes practically no damage of the myocardial ultrastructure.
Delta Sleep-Inducing Peptide, Heart Rate, Parasympathetic Nervous System, Immune Sera, Myocardium, Animals, Immunization, Vagus Nerve, Rabbits, Electric Stimulation
Delta Sleep-Inducing Peptide, Heart Rate, Parasympathetic Nervous System, Immune Sera, Myocardium, Animals, Immunization, Vagus Nerve, Rabbits, Electric Stimulation
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