The Increased Catecholamine Content in the Carotid Bodies of Spontaneously Hypertensive Rats

  • J. Przybylski
  • P. Janicki
  • A. Trzebski


The content of noradrenaline and dopamine in the carotid bodies of spontaneously hypertensive rats of Okamoto-Aoki strain was found to be significantly higher than in normotensive Wistar rats. The concentration of dopamine was found to predominate over that of noradrenaline in carotid bodies of normotensive rats, whereas the concentration of these catecholamines was equal in the carotid bodies of spontaneously hypertensive rats. The level of catecholamines in the carotid bodies of renal hypertensive rats did not differ from the control values. The content of serotonin was comparable in all groups of animals. We postulate that the increased level of catecholamines in the carotid bodies of spontaneously hypertensive rats is a biochemical marker of an augmented activity of carotid chemoreceptors in this strain of rats.


Carotid Body Glomic Cell Renal Hypertension Arterial Chemoreceptor Carotid Chemoreceptor 
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Copyright information

© Plenum Press, New York 1990

Authors and Affiliations

  • J. Przybylski
    • 1
  • P. Janicki
    • 1
  • A. Trzebski
    • 1
  1. 1.Depts. of Physiology and PharmacologyMedical AcademyWarsawPoland

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