Source 1review2021Pharmacology Biochemistry and Behavior
Toolkit/Positron emission tomography
Positron emission tomography
Also known as: PET
Taxonomy: Technique Branch / Method. Workflows sit above the mechanism and technique branches rather than replacing them.
Summary
A major challenge for such applications is the need to track the location and function of chemogenetic receptors and opsins in vivo, and new developments in positron emission tomography (PET) imaging techniques offer promising solutions.
Usefulness & Problems
Why this is useful
PET is presented as an imaging approach for in vivo mapping and monitoring of transgenic neuromodulation tools. In this review, it is specifically positioned to track the location and function of chemogenetic receptors and opsins.; in vivo tracking of chemogenetic receptor location; in vivo tracking of opsin location; monitoring function of transgenic neuromodulation tools; brain circuit mapping in combination with transgenic tools
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PET is presented as an imaging approach for in vivo mapping and monitoring of transgenic neuromodulation tools. In this review, it is specifically positioned to track the location and function of chemogenetic receptors and opsins.
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in vivo tracking of chemogenetic receptor location
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in vivo tracking of opsin location
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monitoring function of transgenic neuromodulation tools
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brain circuit mapping in combination with transgenic tools
Problem solved
PET addresses a major translational challenge: monitoring where transgenic receptors or opsins are located and whether they are functioning in vivo. This makes it relevant for safer and more effective translational research.; addresses the need to track location and function of transgenic neuromodulation tools in vivo; supports translational monitoring of chemogenetic and optogenetic systems
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PET addresses a major translational challenge: monitoring where transgenic receptors or opsins are located and whether they are functioning in vivo. This makes it relevant for safer and more effective translational research.
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addresses the need to track location and function of transgenic neuromodulation tools in vivo
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supports translational monitoring of chemogenetic and optogenetic systems
Problem links
addresses the need to track location and function of transgenic neuromodulation tools in vivo
LiteraturePET addresses a major translational challenge: monitoring where transgenic receptors or opsins are located and whether they are functioning in vivo. This makes it relevant for safer and more effective translational research.
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PET addresses a major translational challenge: monitoring where transgenic receptors or opsins are located and whether they are functioning in vivo. This makes it relevant for safer and more effective translational research.
supports translational monitoring of chemogenetic and optogenetic systems
LiteraturePET addresses a major translational challenge: monitoring where transgenic receptors or opsins are located and whether they are functioning in vivo. This makes it relevant for safer and more effective translational research.
Source:
PET addresses a major translational challenge: monitoring where transgenic receptors or opsins are located and whether they are functioning in vivo. This makes it relevant for safer and more effective translational research.
Published Workflows
Objective: Combine transgenic neuromodulation tools with PET to map and manipulate brain circuits in vivo while enabling translational monitoring of tool location and function.
Why it works: The review abstract describes a combined strategy in which genetic targeting provides cell-specific expression of transgenic receptors or opsins for circuit manipulation, while PET addresses the separate translational need to monitor where those tools are located and functioning in vivo.
compound-gated neuronal controllight-gated neuronal controlPET-based in vivo tracking of receptor or opsin location and functiongenetic targetingcell transductionPET imaging
Stages
- 1.Genetic targeting and transduction of specific cells(library_build)
This stage establishes expression of the transgenic neuromodulation components in the intended neuronal populations so that later manipulation and mapping are possible.
Selection: specific cells are transduced to express transgenic receptors and opsins
- 2.Circuit manipulation and mapping with transgenic neuromodulation tools(functional_characterization)
After targeted expression is established, the tools are used to manipulate neuronal activity and connect cellular perturbations to circuit and behavioral outcomes.
Selection: ability to manipulate neuronal activity and map neuroanatomical projection sites, circuit functions, and behavior
- 3.In vivo PET monitoring of receptor and opsin location and function(confirmatory_validation)
The abstract identifies in vivo tracking of tool location and function as a major challenge for translational applications, and PET is presented as the solution layer that addresses this bottleneck.
Selection: track the location and function of chemogenetic receptors and opsins in vivo
Taxonomy & Function
Primary hierarchy
Technique Branch
Method: A concrete measurement method used to characterize an engineered system.
Techniques
Functional AssayTarget processes
translationImplementation Constraints
cofactor dependency: cofactor requirement unknownencoding mode: genetically encodedimplementation constraint: context specific validationoperating role: sensor
The abstract supports that PET imaging techniques are required and that they are used in combination with transgenic neuromodulation tools. Specific radiotracers or hardware details are not given in the abstract.; requires PET imaging techniques; must be combined with transgenic neuromodulation tools for the review's use case
The abstract does not support that PET itself performs neuromodulation or genetic targeting. It is described as a monitoring and mapping solution rather than the actuator.; the abstract does not specify tracer, resolution, or modality-specific limitations
Validation
Cell-freeBacteriaMammalianMouseHumanTherapeuticIndep. Replication
Supporting Sources
Ranked Claims
New PET imaging developments offer promising solutions for in vivo tracking and translational monitoring of transgenic neuromodulation tools.
A major translational challenge is tracking the location and function of chemogenetic receptors and opsins in vivo.
Approval Evidence
1 source2 linked approval claimsfirst-pass slug positron-emission-tomography
A major challenge for such applications is the need to track the location and function of chemogenetic receptors and opsins in vivo, and new developments in positron emission tomography (PET) imaging techniques offer promising solutions.
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solution summarysupports
New PET imaging developments offer promising solutions for in vivo tracking and translational monitoring of transgenic neuromodulation tools.
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translational challengesupports
A major translational challenge is tracking the location and function of chemogenetic receptors and opsins in vivo.
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Comparisons
Source-stated alternatives
The abstract does not name alternative imaging modalities. It frames PET as a promising solution for monitoring transgenic neuromodulation tools in vivo.
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The abstract does not name alternative imaging modalities. It frames PET as a promising solution for monitoring transgenic neuromodulation tools in vivo.
Source-backed strengths
offers promising solutions for in vivo tracking challenges; supports translational monitoring applications
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offers promising solutions for in vivo tracking challenges
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supports translational monitoring applications
Compared with imaging
The abstract does not name alternative imaging modalities. It frames PET as a promising solution for monitoring transgenic neuromodulation tools in vivo.
Shared frame: source-stated alternative in extracted literature
Strengths here: offers promising solutions for in vivo tracking challenges; supports translational monitoring applications.
Relative tradeoffs: the abstract does not specify tracer, resolution, or modality-specific limitations.
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The abstract does not name alternative imaging modalities. It frames PET as a promising solution for monitoring transgenic neuromodulation tools in vivo.
Compared with imaging surveillance
The abstract does not name alternative imaging modalities. It frames PET as a promising solution for monitoring transgenic neuromodulation tools in vivo.
Shared frame: source-stated alternative in extracted literature
Strengths here: offers promising solutions for in vivo tracking challenges; supports translational monitoring applications.
Relative tradeoffs: the abstract does not specify tracer, resolution, or modality-specific limitations.
Source:
The abstract does not name alternative imaging modalities. It frames PET as a promising solution for monitoring transgenic neuromodulation tools in vivo.
Ranked Citations
- 1.