Source 1review2023Frontiers in Cell and Developmental Biology
Toolkit/proximity labeling
proximity labeling
Taxonomy: Mechanism Branch / Architecture. Workflows sit above the mechanism and technique branches rather than replacing them.
Summary
Proximity labeling is described here as a methodological approach proposed to define state-specific proteomic and post-translational signatures in studies evaluating the addivosome pathological condensate model. The supplied evidence does not identify a specific proximity-labeling enzyme, chemistry, or construct design.
Usefulness & Problems
Why this is useful
The method is presented as useful for molecular characterization of distinct condensate states by capturing state-specific proteomic and post-translational signatures. In this evidence set, its value is framed in the context of assessing the proposed addivosome model rather than as a fully specified tool implementation.
Source:
Selective clearance of the pathological condensate is proposed using autophagy-tethering chimeras directed at drug-induced signatures.
Source:
Recent advances in lineage tracing, synthetic receptor systems, proximity labeling, and transcriptomics have enabled easier and more accurate cell behavior visualization and qualitative and quantitative analysis of cell-cell interactions than ever before.
Problem solved
It is proposed to address the problem of determining whether different addivosome states have distinguishable proteomic and post-translational signatures. This would support evaluation of the pathological condensate model, but the evidence does not provide experimental details on how labeling is executed.
Source:
Selective clearance of the pathological condensate is proposed using autophagy-tethering chimeras directed at drug-induced signatures.
Problem links
distinguishing pathological condensate states by molecular signature
LiteratureIt is intended to separate pathological from physiological condensates by identifying state-specific molecular features.
Source:
It is intended to separate pathological from physiological condensates by identifying state-specific molecular features.
supports investigation of unresolved regulatory integration around patatin
LiteratureIt can help address unresolved integration of patatin into broader regulatory networks.
Source:
It can help address unresolved integration of patatin into broader regulatory networks.
Published Workflows
Objective: Evaluate the proposed Addivosome model and identify translational strategies to restore dynamics or clear the pathological condensate.
Why it works: The proposed workflow combines molecular-state definition, causal perturbation, dynamic-state screening, and selective clearance to test whether a pathological condensate state underlies addiction-related persistence.
pathological maturation of the postsynaptic density into a phase-separated condensatedopamine and glutamate pathway co-activationrigidification and self-maintenance of the condensate staterestoration of condensate dynamicsselective autophagic clearance of drug-induced condensate signaturesproximity labelingoptogenetic perturbationcompound screeningfluorescence recovery after photobleachingautophagy-tethering chimera strategy
Stages
- 1.Define state-specific proteomic and post-translational signatures(functional_characterization)
This stage is proposed to define discriminative molecular features of the pathological condensate state.
Selection: state-specific proteomic and post-translational signatures
- 2.Establish causality by acute clustering or dispersal of selected synaptic proteins(functional_characterization)
This stage is proposed to establish causality after molecular signatures are defined.
Selection: causal effects of acute synaptic protein clustering or dispersal
- 3.Screen for compounds that restore liquid-like molecular mobility(broad_screen)
This stage is proposed to identify compounds that reverse pathological rigidification by restoring mobility.
Selection: restoration of liquid-like molecular mobility measured by FRAP
- 4.Pursue selective clearance directed at drug-induced signatures(confirmatory_validation)
This stage is proposed as a therapeutic strategy to clear the pathological condensate selectively.
Selection: ability to selectively target drug-induced signatures for clearance
Steps
- 1.Use proximity labeling to define state-specific signaturesmolecular-state profiling method
Define proteomic and post-translational features specific to the pathological condensate state.
The abstract presents signature definition first so later perturbation and targeting can focus on state-specific features.
- 2.Acutely cluster or disperse selected synaptic proteins with optogenetic toolscausal perturbation method
Establish causality for the proposed condensate mechanism.
The abstract places causal perturbation after signature definition and before therapeutic screening.
- 3.Screen compounds for reliquefaction using FRAP as the readoutmobility readout assay
Identify compounds that restore liquid-like molecular mobility.
The abstract positions compound screening after causal testing to search for interventions that reverse the pathological material state.
- 4.Direct autophagy-tethering chimeras to drug-induced signatures for selective clearanceselective clearance construct strategy
Clear the pathological condensate selectively using drug-induced signatures as targets.
The abstract presents selective clearance as a downstream translational strategy after defining discriminative features and testing dynamics-focused interventions.
Taxonomy & Function
Primary hierarchy
Mechanism Branch
Architecture: A reusable architecture pattern for arranging parts into an engineered system.
Target processes
editingtranslationImplementation Constraints
cofactor dependency: cofactor requirement unknownencoding mode: genetically encodedimplementation constraint: context specific validationoperating role: builder
No practical implementation details are provided for this use case, including enzyme choice, cofactors, expression strategy, construct architecture, or detection workflow. A separate claim mentions fluorescence recovery after photobleaching for screening reliquefaction, but that pertains to a readout for compound screening rather than implementation details of proximity labeling itself.
The evidence is sparse and does not specify the labeling system, target proteins, reaction chemistry, temporal resolution, or organismal context. No direct validation, quantitative results, or independent demonstrations are included in the supplied material.
Validation
Cell-freeBacteriaMammalianMouseHumanTherapeuticIndep. Replication
Supporting Sources
Source 2review2025MED
Source 3primary paper2026MED
Ranked Claims
Compounds can be screened for restoration of liquid-like molecular mobility, or reliquefaction, using fluorescence recovery after photobleaching as the readout.
Compounds can be screened for restoration of liquid-like molecular mobility, or reliquefaction, using fluorescence recovery after photobleaching as the readout.
Compounds can be screened for restoration of liquid-like molecular mobility, or reliquefaction, using fluorescence recovery after photobleaching as the readout.
Compounds can be screened for restoration of liquid-like molecular mobility, or reliquefaction, using fluorescence recovery after photobleaching as the readout.
Compounds can be screened for restoration of liquid-like molecular mobility, or reliquefaction, using fluorescence recovery after photobleaching as the readout.
Compounds can be screened for restoration of liquid-like molecular mobility, or reliquefaction, using fluorescence recovery after photobleaching as the readout.
Compounds can be screened for restoration of liquid-like molecular mobility, or reliquefaction, using fluorescence recovery after photobleaching as the readout.
Compounds can be screened for restoration of liquid-like molecular mobility, or reliquefaction, using fluorescence recovery after photobleaching as the readout.
Proximity labeling is proposed to define state-specific proteomic and post-translational signatures for evaluating the Addivosome model.
Proximity labeling is proposed to define state-specific proteomic and post-translational signatures for evaluating the Addivosome model.
Proximity labeling is proposed to define state-specific proteomic and post-translational signatures for evaluating the Addivosome model.
Proximity labeling is proposed to define state-specific proteomic and post-translational signatures for evaluating the Addivosome model.
Proximity labeling is proposed to define state-specific proteomic and post-translational signatures for evaluating the Addivosome model.
Proximity labeling is proposed to define state-specific proteomic and post-translational signatures for evaluating the Addivosome model.
Proximity labeling is proposed to define state-specific proteomic and post-translational signatures for evaluating the Addivosome model.
Proximity labeling is proposed to define state-specific proteomic and post-translational signatures for evaluating the Addivosome model.
Selective clearance of the pathological condensate is proposed using autophagy-tethering chimeras directed at drug-induced signatures.
Selective clearance of the pathological condensate is proposed using autophagy-tethering chimeras directed at drug-induced signatures.
Selective clearance of the pathological condensate is proposed using autophagy-tethering chimeras directed at drug-induced signatures.
Selective clearance of the pathological condensate is proposed using autophagy-tethering chimeras directed at drug-induced signatures.
Selective clearance of the pathological condensate is proposed using autophagy-tethering chimeras directed at drug-induced signatures.
Selective clearance of the pathological condensate is proposed using autophagy-tethering chimeras directed at drug-induced signatures.
Selective clearance of the pathological condensate is proposed using autophagy-tethering chimeras directed at drug-induced signatures.
Selective clearance of the pathological condensate is proposed using autophagy-tethering chimeras directed at drug-induced signatures.
The review recommends integrated multi-omics, fluxomics, proximity-labeling, CRISPR-based isoform editing, and promoter engineering as future approaches to resolve patatin biology and support crop engineering.
Understanding mechanisms of adult tissue-specific stem cell interaction is important for tissue regeneration and maintenance of homeostasis.
An enhanced understanding of the mechanisms of adult tissue-specific stem cells interaction is important for tissue regeneration and maintenance of homeostasis in organisms.
Understanding mechanisms of adult tissue-specific stem cell interaction is important for tissue regeneration and maintenance of homeostasis.
An enhanced understanding of the mechanisms of adult tissue-specific stem cells interaction is important for tissue regeneration and maintenance of homeostasis in organisms.
Understanding mechanisms of adult tissue-specific stem cell interaction is important for tissue regeneration and maintenance of homeostasis.
An enhanced understanding of the mechanisms of adult tissue-specific stem cells interaction is important for tissue regeneration and maintenance of homeostasis in organisms.
Understanding mechanisms of adult tissue-specific stem cell interaction is important for tissue regeneration and maintenance of homeostasis.
An enhanced understanding of the mechanisms of adult tissue-specific stem cells interaction is important for tissue regeneration and maintenance of homeostasis in organisms.
Understanding mechanisms of adult tissue-specific stem cell interaction is important for tissue regeneration and maintenance of homeostasis.
An enhanced understanding of the mechanisms of adult tissue-specific stem cells interaction is important for tissue regeneration and maintenance of homeostasis in organisms.
Understanding mechanisms of adult tissue-specific stem cell interaction is important for tissue regeneration and maintenance of homeostasis.
An enhanced understanding of the mechanisms of adult tissue-specific stem cells interaction is important for tissue regeneration and maintenance of homeostasis in organisms.
Understanding mechanisms of adult tissue-specific stem cell interaction is important for tissue regeneration and maintenance of homeostasis.
An enhanced understanding of the mechanisms of adult tissue-specific stem cells interaction is important for tissue regeneration and maintenance of homeostasis in organisms.
Recent advances in lineage tracing, synthetic receptor systems, proximity labeling, and transcriptomics have enabled easier and more accurate visualization of cell behavior and qualitative and quantitative analysis of cell-cell interactions.
Recent advances in lineage tracing, synthetic receptor systems, proximity labeling, and transcriptomics have enabled easier and more accurate cell behavior visualization and qualitative and quantitative analysis of cell-cell interactions than ever before.
Recent advances in lineage tracing, synthetic receptor systems, proximity labeling, and transcriptomics have enabled easier and more accurate visualization of cell behavior and qualitative and quantitative analysis of cell-cell interactions.
Recent advances in lineage tracing, synthetic receptor systems, proximity labeling, and transcriptomics have enabled easier and more accurate cell behavior visualization and qualitative and quantitative analysis of cell-cell interactions than ever before.
Recent advances in lineage tracing, synthetic receptor systems, proximity labeling, and transcriptomics have enabled easier and more accurate visualization of cell behavior and qualitative and quantitative analysis of cell-cell interactions.
Recent advances in lineage tracing, synthetic receptor systems, proximity labeling, and transcriptomics have enabled easier and more accurate cell behavior visualization and qualitative and quantitative analysis of cell-cell interactions than ever before.
Recent advances in lineage tracing, synthetic receptor systems, proximity labeling, and transcriptomics have enabled easier and more accurate visualization of cell behavior and qualitative and quantitative analysis of cell-cell interactions.
Recent advances in lineage tracing, synthetic receptor systems, proximity labeling, and transcriptomics have enabled easier and more accurate cell behavior visualization and qualitative and quantitative analysis of cell-cell interactions than ever before.
Recent advances in lineage tracing, synthetic receptor systems, proximity labeling, and transcriptomics have enabled easier and more accurate visualization of cell behavior and qualitative and quantitative analysis of cell-cell interactions.
Recent advances in lineage tracing, synthetic receptor systems, proximity labeling, and transcriptomics have enabled easier and more accurate cell behavior visualization and qualitative and quantitative analysis of cell-cell interactions than ever before.
Recent advances in lineage tracing, synthetic receptor systems, proximity labeling, and transcriptomics have enabled easier and more accurate visualization of cell behavior and qualitative and quantitative analysis of cell-cell interactions.
Recent advances in lineage tracing, synthetic receptor systems, proximity labeling, and transcriptomics have enabled easier and more accurate cell behavior visualization and qualitative and quantitative analysis of cell-cell interactions than ever before.
Recent advances in lineage tracing, synthetic receptor systems, proximity labeling, and transcriptomics have enabled easier and more accurate visualization of cell behavior and qualitative and quantitative analysis of cell-cell interactions.
Recent advances in lineage tracing, synthetic receptor systems, proximity labeling, and transcriptomics have enabled easier and more accurate cell behavior visualization and qualitative and quantitative analysis of cell-cell interactions than ever before.
The review covers recent methodological advances in dual enzyme lineage tracing systems, synthetic receptor systems, proximity labeling, single-cell RNA sequencing, and spatial transcriptomics for studying adult tissue-specific stem cell interactions.
This review aimed to describe the recent methodological advances of dual enzyme lineage tracing system, the synthetic receptor system, proximity labeling, single-cell RNA sequencing and spatial transcriptomics in the study of adult tissue-specific stem cells interactions.
The review covers recent methodological advances in dual enzyme lineage tracing systems, synthetic receptor systems, proximity labeling, single-cell RNA sequencing, and spatial transcriptomics for studying adult tissue-specific stem cell interactions.
This review aimed to describe the recent methodological advances of dual enzyme lineage tracing system, the synthetic receptor system, proximity labeling, single-cell RNA sequencing and spatial transcriptomics in the study of adult tissue-specific stem cells interactions.
The review covers recent methodological advances in dual enzyme lineage tracing systems, synthetic receptor systems, proximity labeling, single-cell RNA sequencing, and spatial transcriptomics for studying adult tissue-specific stem cell interactions.
This review aimed to describe the recent methodological advances of dual enzyme lineage tracing system, the synthetic receptor system, proximity labeling, single-cell RNA sequencing and spatial transcriptomics in the study of adult tissue-specific stem cells interactions.
The review covers recent methodological advances in dual enzyme lineage tracing systems, synthetic receptor systems, proximity labeling, single-cell RNA sequencing, and spatial transcriptomics for studying adult tissue-specific stem cell interactions.
This review aimed to describe the recent methodological advances of dual enzyme lineage tracing system, the synthetic receptor system, proximity labeling, single-cell RNA sequencing and spatial transcriptomics in the study of adult tissue-specific stem cells interactions.
The review covers recent methodological advances in dual enzyme lineage tracing systems, synthetic receptor systems, proximity labeling, single-cell RNA sequencing, and spatial transcriptomics for studying adult tissue-specific stem cell interactions.
This review aimed to describe the recent methodological advances of dual enzyme lineage tracing system, the synthetic receptor system, proximity labeling, single-cell RNA sequencing and spatial transcriptomics in the study of adult tissue-specific stem cells interactions.
The review covers recent methodological advances in dual enzyme lineage tracing systems, synthetic receptor systems, proximity labeling, single-cell RNA sequencing, and spatial transcriptomics for studying adult tissue-specific stem cell interactions.
This review aimed to describe the recent methodological advances of dual enzyme lineage tracing system, the synthetic receptor system, proximity labeling, single-cell RNA sequencing and spatial transcriptomics in the study of adult tissue-specific stem cells interactions.
The review covers recent methodological advances in dual enzyme lineage tracing systems, synthetic receptor systems, proximity labeling, single-cell RNA sequencing, and spatial transcriptomics for studying adult tissue-specific stem cell interactions.
This review aimed to describe the recent methodological advances of dual enzyme lineage tracing system, the synthetic receptor system, proximity labeling, single-cell RNA sequencing and spatial transcriptomics in the study of adult tissue-specific stem cells interactions.
Approval Evidence
3 sources5 linked approval claimsfirst-pass slug proximity-labeling
define state-specific proteomic and post-translational signatures using proximity labeling
Source:
Future progress will require integrated multi-omics, fluxomics, and proximity-labeling approaches, combined with CRISPR-based isoform editing and promoter engineering.
Source:
This review aimed to describe the recent methodological advances of ... proximity labeling
Source:
method proposalsupports
Proximity labeling is proposed to define state-specific proteomic and post-translational signatures for evaluating the Addivosome model.
Source:
future directionsupports
The review recommends integrated multi-omics, fluxomics, proximity-labeling, CRISPR-based isoform editing, and promoter engineering as future approaches to resolve patatin biology and support crop engineering.
Source:
biological importancesupports
Understanding mechanisms of adult tissue-specific stem cell interaction is important for tissue regeneration and maintenance of homeostasis.
An enhanced understanding of the mechanisms of adult tissue-specific stem cells interaction is important for tissue regeneration and maintenance of homeostasis in organisms.
Source:
capability summarysupports
Recent advances in lineage tracing, synthetic receptor systems, proximity labeling, and transcriptomics have enabled easier and more accurate visualization of cell behavior and qualitative and quantitative analysis of cell-cell interactions.
Recent advances in lineage tracing, synthetic receptor systems, proximity labeling, and transcriptomics have enabled easier and more accurate cell behavior visualization and qualitative and quantitative analysis of cell-cell interactions than ever before.
Source:
review scope summarysupports
The review covers recent methodological advances in dual enzyme lineage tracing systems, synthetic receptor systems, proximity labeling, single-cell RNA sequencing, and spatial transcriptomics for studying adult tissue-specific stem cell interactions.
This review aimed to describe the recent methodological advances of dual enzyme lineage tracing system, the synthetic receptor system, proximity labeling, single-cell RNA sequencing and spatial transcriptomics in the study of adult tissue-specific stem cells interactions.
Source:
Comparisons
Source-stated alternatives
The abstract contrasts targeting state-specific features with targeting core scaffold proteins.; The review also points to integrated multi-omics, fluxomics, CRISPR-based isoform editing, and promoter engineering.
Source:
The abstract contrasts targeting state-specific features with targeting core scaffold proteins.
Source:
The review also points to integrated multi-omics, fluxomics, CRISPR-based isoform editing, and promoter engineering.
Source-backed strengths
A stated strength is its proposed ability to define state-specific proteomic and post-translational signatures, which could enable molecular discrimination between condensate states. The evidence also characterizes proximity labeling as part of recent methodological advances, but no performance metrics, benchmark comparisons, or validation data are provided.
Compared with CRISPR/Cas9
The review also points to integrated multi-omics, fluxomics, CRISPR-based isoform editing, and promoter engineering.
Shared frame: source-stated alternative in extracted literature
Strengths here: proposed to identify state-specific features rather than targeting core scaffold proteins; review explicitly highlights it as a future progress-enabling approach.
Relative tradeoffs: abstract does not specify labeling chemistry, fusion design, or readout.
Source:
The review also points to integrated multi-omics, fluxomics, CRISPR-based isoform editing, and promoter engineering.
Compared with CRISPR/Cas9 system
The review also points to integrated multi-omics, fluxomics, CRISPR-based isoform editing, and promoter engineering.
Shared frame: source-stated alternative in extracted literature
Strengths here: proposed to identify state-specific features rather than targeting core scaffold proteins; review explicitly highlights it as a future progress-enabling approach.
Relative tradeoffs: abstract does not specify labeling chemistry, fusion design, or readout.
Source:
The review also points to integrated multi-omics, fluxomics, CRISPR-based isoform editing, and promoter engineering.
Compared with omics
The review also points to integrated multi-omics, fluxomics, CRISPR-based isoform editing, and promoter engineering.
Shared frame: source-stated alternative in extracted literature
Strengths here: proposed to identify state-specific features rather than targeting core scaffold proteins; review explicitly highlights it as a future progress-enabling approach.
Relative tradeoffs: abstract does not specify labeling chemistry, fusion design, or readout.
Source:
The review also points to integrated multi-omics, fluxomics, CRISPR-based isoform editing, and promoter engineering.
Ranked Citations
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