Sleep medications like Ambien may interfere with this vital mechanism. Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips sent every weekday. Search for: ...

Scientists reveal transport mechanism of norepinephrine transporter and binding mode of small molecule and peptide drugs. Story by Science X staff • 3mo. N oradrenaline (NA) ...

The primary action of LC neurons is to release norepinephrine, a neurotransmitter, and a hormone, that increases alertness and promotes arousal, regulating the sleep/wake cycle and memory.

Epinephrine and norepinephrine sound alike, and they also share many of the same functions. Learn more about these two hormones and neurotransmitters, including the differences between them.

A NUMBER of sympathomimetic amines chemically related to norepinephrine (Fig. 1), which have either a catechol or β-hydroxyl group, can be stored in the vesicles of sympathetic nerves1.

"Differential Attentional Control Mechanisms by Two Distinct Noradrenergic Coeruleo-Frontal Cortical Pathways." PNAS (First published: November 02, 2020) DOI: 10.1073/pnas.2015635117 More references ...

These agents differ in their modes of action, ... However, significantly more patients in the dopamine group than in the norepinephrine group experienced arrhythmias (24% vs. 12%).

Drug Class Medication Examples Mechanism of Action Prevalence of Sexual Dysfunction and Potential Associated Symptoms; TCAs: Amitriptyline, desipramine, doxepin, imipramine, nortriptyline ...