Toolkit/light-inducible TrkA activation strategies

light-inducible TrkA activation strategies

Multi-Component Switch·Research·Since 2018

Also known as: light-inducible activation of TrkA, optical activation of TrkA

Taxonomy: Mechanism Branch / Architecture. Workflows sit above the mechanism and technique branches rather than replacing them.

Summary

Light-inducible TrkA activation strategies comprise four engineered optical designs for activating TrkA signaling without nerve growth factor. The reported approaches use light to drive plasma membrane recruitment and homo-interaction of the intracellular domain of TrkA, recapitulating native NGF/TrkA-associated functions.

Usefulness & Problems

Why this is useful

These strategies provide an optical method to control TrkA signaling in the absence of NGF. Reported utility includes promotion of neurite growth in PC12 cells and support of dorsal root ganglion neuron survival.

Source:

We demonstrate successful recapitulation of native NGF/TrkA functions by optical induction of plasma membrane recruitment and homo-interaction of the intracellular domain of TrkA.

Source:

Here we present the design and evaluation of four strategies for light-inducible activation of TrkA in the absence of NGF. Our strategies involve the light-sensitive protein Arabidopsis cryptochrome 2 and its binding partner CIB1.

Source:

This ability to activate TrkA using light bestows high spatial and temporal resolution for investigating NGF/TrkA signaling.

Problem solved

These designs address the problem of activating TrkA signaling without exogenous NGF while enabling light-dependent control. The source specifically frames them as strategies for light-inducible TrkA activation and functional recapitulation of NGF/TrkA outputs.

Source:

This ability to activate TrkA using light bestows high spatial and temporal resolution for investigating NGF/TrkA signaling.

Taxonomy & Function

Primary hierarchy

Mechanism Branch

Architecture: A composed arrangement of multiple parts that instantiates one or more mechanisms.

Target processes

localizationsignaling

Input: Light

Implementation Constraints

The reported designs are multi-component optical strategies centered on the intracellular domain of TrkA. Practical implementation details beyond light-induced plasma membrane recruitment and homo-interaction are not specified in the supplied evidence.

The supplied evidence is limited to a single 2018 source and does not provide detailed quantitative performance metrics, illumination parameters, or comparative benchmarking among the four strategies. Independent replication and validation outside the reported cell contexts are not documented in the provided evidence.

Validation

Cell-freeBacteriaMammalianMouseHumanTherapeuticIndep. Replication

Supporting Sources

Ranked Claims

Claim 1cell survivalsupports2018Source 1needs review

This optical TrkA activation approach supports survival of dorsal root ganglion neurons in the absence of NGF.

supports survival of dorsal root ganglion neurons in the absence of NGF
Claim 2cell survivalsupports2018Source 1needs review

This optical TrkA activation approach supports survival of dorsal root ganglion neurons in the absence of NGF.

supports survival of dorsal root ganglion neurons in the absence of NGF
Claim 3cell survivalsupports2018Source 1needs review

This optical TrkA activation approach supports survival of dorsal root ganglion neurons in the absence of NGF.

supports survival of dorsal root ganglion neurons in the absence of NGF
Claim 4cell survivalsupports2018Source 1needs review

This optical TrkA activation approach supports survival of dorsal root ganglion neurons in the absence of NGF.

supports survival of dorsal root ganglion neurons in the absence of NGF
Claim 5cell survivalsupports2018Source 1needs review

This optical TrkA activation approach supports survival of dorsal root ganglion neurons in the absence of NGF.

supports survival of dorsal root ganglion neurons in the absence of NGF
Claim 6cell survivalsupports2018Source 1needs review

This optical TrkA activation approach supports survival of dorsal root ganglion neurons in the absence of NGF.

supports survival of dorsal root ganglion neurons in the absence of NGF
Claim 7cell survivalsupports2018Source 1needs review

This optical TrkA activation approach supports survival of dorsal root ganglion neurons in the absence of NGF.

supports survival of dorsal root ganglion neurons in the absence of NGF
Claim 8cellular effectsupports2018Source 1needs review

This optical TrkA activation approach promotes neurite growth in PC12 cells.

promotes neurite growth in PC12 cells
Claim 9cellular effectsupports2018Source 1needs review

This optical TrkA activation approach promotes neurite growth in PC12 cells.

promotes neurite growth in PC12 cells
Claim 10cellular effectsupports2018Source 1needs review

This optical TrkA activation approach promotes neurite growth in PC12 cells.

promotes neurite growth in PC12 cells
Claim 11cellular effectsupports2018Source 1needs review

This optical TrkA activation approach promotes neurite growth in PC12 cells.

promotes neurite growth in PC12 cells
Claim 12cellular effectsupports2018Source 1needs review

This optical TrkA activation approach promotes neurite growth in PC12 cells.

promotes neurite growth in PC12 cells
Claim 13cellular effectsupports2018Source 1needs review

This optical TrkA activation approach promotes neurite growth in PC12 cells.

promotes neurite growth in PC12 cells
Claim 14cellular effectsupports2018Source 1needs review

This optical TrkA activation approach promotes neurite growth in PC12 cells.

promotes neurite growth in PC12 cells
Claim 15functional recapitulationsupports2018Source 1needs review

Optical induction of plasma membrane recruitment and homo-interaction of the intracellular domain of TrkA successfully recapitulates native NGF/TrkA functions.

We demonstrate successful recapitulation of native NGF/TrkA functions by optical induction of plasma membrane recruitment and homo-interaction of the intracellular domain of TrkA.
Claim 16functional recapitulationsupports2018Source 1needs review

Optical induction of plasma membrane recruitment and homo-interaction of the intracellular domain of TrkA successfully recapitulates native NGF/TrkA functions.

We demonstrate successful recapitulation of native NGF/TrkA functions by optical induction of plasma membrane recruitment and homo-interaction of the intracellular domain of TrkA.
Claim 17functional recapitulationsupports2018Source 1needs review

Optical induction of plasma membrane recruitment and homo-interaction of the intracellular domain of TrkA successfully recapitulates native NGF/TrkA functions.

We demonstrate successful recapitulation of native NGF/TrkA functions by optical induction of plasma membrane recruitment and homo-interaction of the intracellular domain of TrkA.
Claim 18functional recapitulationsupports2018Source 1needs review

Optical induction of plasma membrane recruitment and homo-interaction of the intracellular domain of TrkA successfully recapitulates native NGF/TrkA functions.

We demonstrate successful recapitulation of native NGF/TrkA functions by optical induction of plasma membrane recruitment and homo-interaction of the intracellular domain of TrkA.
Claim 19functional recapitulationsupports2018Source 1needs review

Optical induction of plasma membrane recruitment and homo-interaction of the intracellular domain of TrkA successfully recapitulates native NGF/TrkA functions.

We demonstrate successful recapitulation of native NGF/TrkA functions by optical induction of plasma membrane recruitment and homo-interaction of the intracellular domain of TrkA.
Claim 20functional recapitulationsupports2018Source 1needs review

Optical induction of plasma membrane recruitment and homo-interaction of the intracellular domain of TrkA successfully recapitulates native NGF/TrkA functions.

We demonstrate successful recapitulation of native NGF/TrkA functions by optical induction of plasma membrane recruitment and homo-interaction of the intracellular domain of TrkA.
Claim 21functional recapitulationsupports2018Source 1needs review

Optical induction of plasma membrane recruitment and homo-interaction of the intracellular domain of TrkA successfully recapitulates native NGF/TrkA functions.

We demonstrate successful recapitulation of native NGF/TrkA functions by optical induction of plasma membrane recruitment and homo-interaction of the intracellular domain of TrkA.
Claim 22pathway activationsupports2018Source 1needs review

This optical TrkA activation approach activates PI3K/AKT and Raf/ERK signaling pathways.

This approach activates PI3K/AKT and Raf/ERK signaling pathways
Claim 23pathway activationsupports2018Source 1needs review

This optical TrkA activation approach activates PI3K/AKT and Raf/ERK signaling pathways.

This approach activates PI3K/AKT and Raf/ERK signaling pathways
Claim 24pathway activationsupports2018Source 1needs review

This optical TrkA activation approach activates PI3K/AKT and Raf/ERK signaling pathways.

This approach activates PI3K/AKT and Raf/ERK signaling pathways
Claim 25pathway activationsupports2018Source 1needs review

This optical TrkA activation approach activates PI3K/AKT and Raf/ERK signaling pathways.

This approach activates PI3K/AKT and Raf/ERK signaling pathways
Claim 26pathway activationsupports2018Source 1needs review

This optical TrkA activation approach activates PI3K/AKT and Raf/ERK signaling pathways.

This approach activates PI3K/AKT and Raf/ERK signaling pathways
Claim 27pathway activationsupports2018Source 1needs review

This optical TrkA activation approach activates PI3K/AKT and Raf/ERK signaling pathways.

This approach activates PI3K/AKT and Raf/ERK signaling pathways
Claim 28pathway activationsupports2018Source 1needs review

This optical TrkA activation approach activates PI3K/AKT and Raf/ERK signaling pathways.

This approach activates PI3K/AKT and Raf/ERK signaling pathways
Claim 29tool designsupports2018Source 1needs review

The paper presents four strategies for light-inducible activation of TrkA in the absence of NGF.

Here we present the design and evaluation of four strategies for light-inducible activation of TrkA in the absence of NGF. Our strategies involve the light-sensitive protein Arabidopsis cryptochrome 2 and its binding partner CIB1.
Claim 30tool designsupports2018Source 1needs review

The paper presents four strategies for light-inducible activation of TrkA in the absence of NGF.

Here we present the design and evaluation of four strategies for light-inducible activation of TrkA in the absence of NGF. Our strategies involve the light-sensitive protein Arabidopsis cryptochrome 2 and its binding partner CIB1.
Claim 31tool designsupports2018Source 1needs review

The paper presents four strategies for light-inducible activation of TrkA in the absence of NGF.

Here we present the design and evaluation of four strategies for light-inducible activation of TrkA in the absence of NGF. Our strategies involve the light-sensitive protein Arabidopsis cryptochrome 2 and its binding partner CIB1.
Claim 32tool designsupports2018Source 1needs review

The paper presents four strategies for light-inducible activation of TrkA in the absence of NGF.

Here we present the design and evaluation of four strategies for light-inducible activation of TrkA in the absence of NGF. Our strategies involve the light-sensitive protein Arabidopsis cryptochrome 2 and its binding partner CIB1.
Claim 33tool designsupports2018Source 1needs review

The paper presents four strategies for light-inducible activation of TrkA in the absence of NGF.

Here we present the design and evaluation of four strategies for light-inducible activation of TrkA in the absence of NGF. Our strategies involve the light-sensitive protein Arabidopsis cryptochrome 2 and its binding partner CIB1.
Claim 34tool designsupports2018Source 1needs review

The paper presents four strategies for light-inducible activation of TrkA in the absence of NGF.

Here we present the design and evaluation of four strategies for light-inducible activation of TrkA in the absence of NGF. Our strategies involve the light-sensitive protein Arabidopsis cryptochrome 2 and its binding partner CIB1.
Claim 35tool designsupports2018Source 1needs review

The paper presents four strategies for light-inducible activation of TrkA in the absence of NGF.

Here we present the design and evaluation of four strategies for light-inducible activation of TrkA in the absence of NGF. Our strategies involve the light-sensitive protein Arabidopsis cryptochrome 2 and its binding partner CIB1.
Claim 36use casesupports2018Source 1needs review

Light-based activation of TrkA provides high spatial and temporal resolution for investigating NGF/TrkA signaling.

This ability to activate TrkA using light bestows high spatial and temporal resolution for investigating NGF/TrkA signaling.
Claim 37use casesupports2018Source 1needs review

Light-based activation of TrkA provides high spatial and temporal resolution for investigating NGF/TrkA signaling.

This ability to activate TrkA using light bestows high spatial and temporal resolution for investigating NGF/TrkA signaling.
Claim 38use casesupports2018Source 1needs review

Light-based activation of TrkA provides high spatial and temporal resolution for investigating NGF/TrkA signaling.

This ability to activate TrkA using light bestows high spatial and temporal resolution for investigating NGF/TrkA signaling.
Claim 39use casesupports2018Source 1needs review

Light-based activation of TrkA provides high spatial and temporal resolution for investigating NGF/TrkA signaling.

This ability to activate TrkA using light bestows high spatial and temporal resolution for investigating NGF/TrkA signaling.
Claim 40use casesupports2018Source 1needs review

Light-based activation of TrkA provides high spatial and temporal resolution for investigating NGF/TrkA signaling.

This ability to activate TrkA using light bestows high spatial and temporal resolution for investigating NGF/TrkA signaling.
Claim 41use casesupports2018Source 1needs review

Light-based activation of TrkA provides high spatial and temporal resolution for investigating NGF/TrkA signaling.

This ability to activate TrkA using light bestows high spatial and temporal resolution for investigating NGF/TrkA signaling.
Claim 42use casesupports2018Source 1needs review

Light-based activation of TrkA provides high spatial and temporal resolution for investigating NGF/TrkA signaling.

This ability to activate TrkA using light bestows high spatial and temporal resolution for investigating NGF/TrkA signaling.

Approval Evidence

1 source6 linked approval claimsfirst-pass slug light-inducible-trka-activation-strategies
Here we present the design and evaluation of four strategies for light-inducible activation of TrkA in the absence of NGF.

Source:

cell survivalsupports

This optical TrkA activation approach supports survival of dorsal root ganglion neurons in the absence of NGF.

supports survival of dorsal root ganglion neurons in the absence of NGF

Source:

cellular effectsupports

This optical TrkA activation approach promotes neurite growth in PC12 cells.

promotes neurite growth in PC12 cells

Source:

functional recapitulationsupports

Optical induction of plasma membrane recruitment and homo-interaction of the intracellular domain of TrkA successfully recapitulates native NGF/TrkA functions.

We demonstrate successful recapitulation of native NGF/TrkA functions by optical induction of plasma membrane recruitment and homo-interaction of the intracellular domain of TrkA.

Source:

pathway activationsupports

This optical TrkA activation approach activates PI3K/AKT and Raf/ERK signaling pathways.

This approach activates PI3K/AKT and Raf/ERK signaling pathways

Source:

tool designsupports

The paper presents four strategies for light-inducible activation of TrkA in the absence of NGF.

Here we present the design and evaluation of four strategies for light-inducible activation of TrkA in the absence of NGF. Our strategies involve the light-sensitive protein Arabidopsis cryptochrome 2 and its binding partner CIB1.

Source:

use casesupports

Light-based activation of TrkA provides high spatial and temporal resolution for investigating NGF/TrkA signaling.

This ability to activate TrkA using light bestows high spatial and temporal resolution for investigating NGF/TrkA signaling.

Source:

Comparisons

Source-backed strengths

The study reports design and evaluation of four distinct strategies rather than a single construct. Functional validation includes neurite growth in PC12 cells, survival of dorsal root ganglion neurons without NGF, and recapitulation of native NGF/TrkA functions through optical induction of membrane recruitment and homo-interaction of TrkA intracellular domains.

Ranked Citations

  1. 1.
    StructuralSource 1ACS Synthetic Biology2018Claim 1Claim 2Claim 3

    Extracted from this source document.