Open-field behavior of one-clip, two-kidney hypertensive rats: the influence of pre-handling |
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| Authors: | M van den Buuse W de Jong |
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| Institution: | Rudolf Magnus Institute for Pharmacology, University of Utrecht, Medical Faculty, The Netherlands. |
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| Abstract: | The relation between the development of hypertension and changes in behavior was investigated. Hypertension was induced by unilateral application of a 0.20-mm clip around the renal artery. At 4 weeks, but not at 1 week, after the operation an increase in ambulation was found. Blood pressure was significantly increased at 1 (28 mm Hg) and 4 weeks (78 mm Hg) after the operation. In a second experiment, renal hypertensive rats and controls were either regularly handled (i.e., subjected to indirect tail-cuff blood pressure measurements) or left undisturbed. At 4 weeks after clip implantation, only in the nonhandled rats with renal hypertension, an increase in open-field ambulation was found. Blood pressure was markedly increased in both handled and nonhandled renal hypertensive rats. |
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