Tempol in the Dorsomedial Hypothalamus Attenuates the Hypertensive Response to Stress in Rabbits
Author(s) -
R DEMATTEO,
Geoffrey A. Head,
Dmitry N. Mayorov
Publication year - 2006
Publication title -
american journal of hypertension
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.009
H-Index - 136
eISSN - 1941-7225
pISSN - 0895-7061
DOI - 10.1016/j.amjhyper.2005.09.024
Subject(s) - microinjection , tiron , medicine , superoxide , endocrinology , medulla oblongata , heart rate , superoxide dismutase , blood pressure , oxidative stress , pharmacology , chemistry , biochemistry , central nervous system , enzyme
We have recently shown that microinjection of the superoxide dismutase mimetic tempol into the pressor region of the rostral ventrolateral medulla attenuates the cardiovascular response to mental (air-jet) stress in rabbits. In the present study, we examined the influence of tempol on the blood pressure (BP) and heart rate (HR) responses to stress in the key region of the hypothalamic defense area, the dorsomedial hypothalamus (DMH).
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