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Phthalimide-Azo-Iper

Candidate: toolkit item1 source documents4 linked claims
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Aliases

PAI, photoswitchable muscarinic agonist, Phthalimide-Azo-Iperoxo

Extracted Explainers

What the tool is doing

PAI is a photoswitchable muscarinic agonist used for light-mediated control of brain network activity. In this study, its activation with light transformed cortical slow oscillations into a higher-frequency pattern.

Source 1DOIPubMed

Resources required

Its use requires the compound PAI and an illumination setup that enables manipulation of M2 muscarinic receptors with light. The abstract also implies an experimental setup for in vitro and in vivo cortical activity measurements.

Source 1DOIPubMed

What problem it solves

It offers a way to control spatiotemporal neural activity and brain state transitions using a drug-based optical approach. The abstract positions this as an alternative to optogenetics when avoiding gene manipulation is important.

Source 1DOIPubMed

What it does not solve

The abstract does not show that PAI alone solves all clinical translation challenges or establishes human efficacy. It also does not provide detailed limits on specificity, dosing, or optical penetration.

Source 1DOIPubMed

Alternatives

The abstract contrasts this approach with transcranial magnetic stimulation, ultrasound, AC/DC stimulation, and optogenetics. Optogenetics is described as powerful but hampered in clinical translation by the need for gene manipulation.

Source 1DOIPubMed

Evidence Snippets

As a drug-based light-mediated control, the effect of a photoswitchable muscarinic agonist (Phthalimide-Azo-Iper (PAI)) on a brain network is evaluated in this study.
Evidence 1Source 1DOIPubMedprovenance

Supporting Sources

Linked Claims

Claim 1activity modulationsupports2021Source 1DOIPubMed

PAI activation with light transformed cortical slow-oscillation activity into a higher-frequency pattern in vitro and in vivo.

Quoted textsource-backed
physiological synchronous emergent cortical activity consisting of slow oscillations-as in slow wave sleep-is transformed into a higher frequency pattern in the cerebral cortex, both in vitro and in vivo, as a consequence of PAI activation with light
Claim 2targeting mechanismsupports2021Source 1DOIPubMed

The study determined conditions to manipulate M2 muscarinic receptors with light using PAI.

Quoted textsource-backed
First, the conditions to manipulate M2 muscarinic receptors with light in the experimental setup are determined.
Claim 3tool functionsupports2021Source 1DOIPubMed

PAI is a photoswitchable muscarinic agonist used for drug-based light-mediated control of a brain network.

Quoted textsource-backed
As a drug-based light-mediated control, the effect of a photoswitchable muscarinic agonist (Phthalimide-Azo-Iper (PAI)) on a brain network is evaluated in this study.
Claim 4translational positioningsupports2021Source 1DOIPubMed

The approach does not require genetic manipulation and is presented as potentially translational to humans.

Quoted textsource-backed
The approach can be applied to different organisms and does not require genetic manipulation, which would make it translational to humans.