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Research Article| Volume 1, ISSUE 2, P139-149, August 1978

Effects of cervical sympathetic ganglionectomy on cyclic-amp and prostaglandins in brain and eye tissues and fluids

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      Abstract

      Studies were conducted confirming supersensitivity to catecholamines on intraocular pressure and pupil size following bilateral superior cervical ganglionectomy in rabbits. At the termination of these studies we examined changes in cyclic adenylic acid and prostaglandin content in jugular vein effluent and various brain and ocular tissues and fluids of the sympathectomized versus control animals. In the blood effluent and various brain and ocular tissues and fluids of and significant lowering of prostaglandin F1α in the sympathectomized animals. Although we found elevation of prostaglandin in certain tissues of the sympathectomized animals, there were no significant changes in cyclic adenylic acid levels between sympathectomized and control animals in the tissues examined. The findings of prostaglandin (blood and tissue) and cyclic adenylic acid (blood) changes in sympathectomized animals, associated with known changes in intraocular pressure and pupil size (due to catecholamine supersensitivity) must elicit further interest in the correlation and interpretation of various other central physiological and metabolic events in cervical sympathectomized animals.
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