Helen W Vogl

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Previous studies have demonstrated that microinjection of the putative group III metabotropic glutamate receptor (mGluR) agonist, l(+)-2-amino-4-phosphonobutyric acid (L-AP4), into the nucleus tractus solitarius (NTS) produces depressor and sympathoinhibitory responses. These responses are significantly attenuated by a group III mGluR antagonist and may(More)
Glutamate is the proposed neurotransmitter of baroreceptor afferents at the level of the nucleus tractus solitarius (NTS). Exogenous glutamate in the NTS activates neurons through ionotropic and metabotropic glutamate receptors (mGluRs). This study tested the hypothesis that group I mGluRs in the NTS produce depressor, bradycardic, and sympathoinhibitory(More)
In certain conditions, renal prostaglandins (PGs) are important determinants of kidney function. Under these "renal PG-dependent states," pharmacological inhibition of vasodilatory PG may result in excessive renal vasoconstriction and adversely affect kidney function. The purposes of this study were to determine whether acetaminophen (Acet), a weak(More)
The involvement to nitric oxide (NO) in cardiovascular and renal function was evaluated in 12 anesthetized Yucatan miniature swine. The effect of NO blockade on blood pressure was measured in six additional conscious swine. In the anesthetized swine, mean arterial pressure (MAP), heart rate, glomerular filtration rate (GFR), and urinary excretion of water,(More)
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