Scriven, AJI, Dollery, CT, Murphy, MB, Macquin, I, Brown, MJ (1982) Blood pressure and plasma norepinephrine concentrations after endogenous norepinephrine release by tyramine. Clin Pharmacol Ther 33: pp. 710-716Scriven AJI, Dollery CT, Murphy MB, Macquin I, Brown MJ. Blood pressure and ...
Norepinephrine increases blood pressure but not survival with anthrax lethal toxin in rats.doi:10.1097/CCM.0b013e31819cee38Bacillus anthracis lethal toxinrodentsepsistreatmentvasopressorThe article presents a study which aims to investigate the influence of norepinephrine on shock and lethality that was ...
Although the intermediate norepinephrine dose (0.3 microg/kg/min for 24 hours) improved survival with LPS (p = 0.04) and increased blood pressure before the onset of lethality with LeTx (p < 0.0001), it did not improve survival with the latter (p = ns). Furthermore, neither increasing ...
In summary, we found that: (1) higher levels of physical activity are related to higher plasma NE appearance in older women; (2) greater central body fatness is an independent predictor of mean arterial blood pressure; and (3) plasma NE appearance rate is a minor contributor to variation ...
A substance, C8H11NO3, both a hormone and neurotransmitter, that is secreted by the adrenal medulla and the nerve endings of the sympathetic nervous system and causes vasoconstriction and increases in heart rate, blood pressure, and the sugar level of the blood. Also callednoradrenaline. ...
‘fight-or-flight’ response to perceived danger. A major effect ofnorepinephrineis increased systolic and diastolic blood pressure, which is accompanied by reflex slowing of the heart rate. The effects of norepinephrine and the relatedcatecholamine, epinephrine, are mediated by the family ofadrenergic...
Secreted by the adrenal gland and by nerve endings in the sympathetic nervous system, norepinephrine regulates arousal in times of physical and mental stress and helps us stay alert in dangerous situations. It is also administered as a drug in medical emergencies to raise blood pressure and heart...
To explore the interactions between insulin action and norepinephrine (NE) on blood pressure and muscle vascular resistance, we studied seven lean (66 +/- 1 kg) sensitive and seven age-matched obese (96 +/- 3 kg) insulin-resistant men after an overnight fast. Both groups were normotensive;...
where it binds to a receptor on the second nerve and stimulates that nerve to respond. This is norepinephrine acting as a neurotransmitter. Norepinephrine causes vasoconstriction (a narrowing of the blood vessels) so is useful for maintaining blood pressure and increasing it in times of acute ...
The influence of amineptine, an antidepressant currently employed having mainly selective dopaminergic neurochemical activity, on the pressor responses evoked by norepinephrine (NE) and dopamine (DA) was studied in anesthetized whole rats. Amineptine at doses of 0.5, 1.5, and 5.0 mg/kg/30 min ...