Norepinephrine and cAMP in brain cell signaling
Postsynaptic Signaling by Norepinephrine and cAMP
This research looks at how norepinephrine and the signaling molecule cAMP change communication between brain cells linked to attention, alertness, and memory.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | University of California at Davis NIH-funded |
| Lab location | 1 site (Davis, United States) |
| Project ID | NIH-11248391 on NIH RePORTER |
What this research studies
This work explores how norepinephrine enters neurons and activates postsynaptic β2-adrenergic receptors and internal cAMP pathways that influence glutamate receptors and L-type calcium channels. Researchers will use biochemical methods (like immunoblotting), imaging (immunofluorescence), and molecular approaches in neurons to track phosphorylation and surface delivery of AMPA receptors and the roles of transporters OCT3/PMAT and the phosphodiesterase PDE4A5. They focus on tightly linked protein complexes that enable very localized cAMP signaling and on how sleep-deprivation–linked increases in PDE4A5 impair memory. Although mainly laboratory-based, the findings are intended to guide future therapies for attention and memory problems.
Who could benefit from this research
Good fit: People with attention or memory difficulties (for example ADHD, sleep-related memory complaints, or early-stage Alzheimer’s disease) who are willing to participate in research or donate samples would be most relevant.
Not a fit: Patients seeking immediate clinical treatment or those without cognitive or attention symptoms are unlikely to receive direct benefit from this basic laboratory research.
Why it matters
Potential benefit: If successful, this could identify molecular targets that lead to new treatments to improve attention or memory in conditions such as ADHD, sleep-deprivation–related cognitive problems, or Alzheimer’s-related memory loss.
How similar studies have performed: Related preclinical studies have shown that β2-adrenergic, cAMP, and PDE4 pathways affect synaptic plasticity and memory, but turning these mechanisms into proven human therapies remains limited so far.
Where this research is happening
Davis, United States
- University of California at Davis — Davis, United States (Active)
Researchers
- Principal investigator: Hell, Johannes W — University of California at Davis
- Study coordinator: Hell, Johannes W
About this research
- This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
- Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
- For full project details, budget, and progress reports, visit the official NIH RePORTER page below.