Evidence map›Paper›PMID 36227471›Full record

ArticleMethods in molecular biology (Clifton, N.J.)2023

Fluorescence Lifetime Imaging Microscopy of Biomolecular Condensates.

My Diem Quan, Shih-Chu Jeff Liao, Josephine C Ferreon, Allan Chris M Ferreon

Open access · greenAbstract read
In one paragraph

Article in Methods in molecular biology (Clifton, N.J.), 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.

0numbers the graph read from it
0cells of the map it votes in
7citing papers in PubMed
3.5field-weighted citation impact, top 6% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

7 citing papers in PubMed, 9 citations in OpenAlex.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

4 authors at 2 institutions in 1 country.

My Diem QuanDepartment of Pharmacology and Chemical Biology, Baylor College of Medicine, Houston, TX, USA.
Shih-Chu Jeff LiaoISS, Inc., Champaign, IL, USA.
Josephine C FerreonDepartment of Pharmacology and Chemical Biology, Baylor College of Medicine, Houston, TX, USA. josephine.ferreon@bcm.edu.
Allan Chris M FerreonDepartment of Pharmacology and Chemical Biology, Baylor College of Medicine, Houston, TX, USA. allan.ferreon@bcm.edu.
Baylor College of Medicine · USInstitute of Semitic Studies · US

Funding

Structure and Functionof Nanog in Stem Cell PluripotencyR01GM122763 · NIGMS · BAYLOR COLLEGE OF MEDICINE · PI Josephine Chu Ferreon · 2018 to 2026
$3.4M
Phase Transition-Mediated Tau Function and DysfunctionR01NS105874 · NINDS · BAYLOR COLLEGE OF MEDICINE · PI FERREON, ALLAN CHRIS · 2019 to 2023
$2.0M
Pharmacologic inhibition of ribonucleoprotein droplet maturationR21NS109678 · NINDS · BAYLOR COLLEGE OF MEDICINE · PI FERREON, ALLAN CHRIS · 2019 to 2019
$440k
Mechanism of Pathologic hnRNP Droplet MaturationR21NS107792 · NINDS · BAYLOR COLLEGE OF MEDICINE · PI FERREON, ALLAN CHRIS · 2019 to 2019
$439k
NIGMS NIH HHS R01 GM122763NINDS NIH HHS R01 NS105874NINDS NIH HHS R21 NS107792NINDS NIH HHS R21 NS109678
6 · The paper itself

Abstract

Biomolecular condensates of ribonucleoproteins (RNPs) such as the transactivation response element (TAR) DNA-binding protein 43 (TDP-43) arise from liquid-liquid phase separation (LLPS) and play vital roles in various biological processes including the formation-dissolution of stress granules (SGs). These condensates are thought to be directly linked to neurodegenerative diseases, providing a depot of aggregation-prone proteins and serving as a cauldron of protein aggregation and fibrillation. Despite recent research efforts, biochemical processes and rearrangements within biomolecular condensates that trigger subsequent protein misfolding and aggregation remain to be elucidated. Fluorescence lifetime imaging microscopy (FLIM) provides a minimally intrusive high-sensitivity and high-resolution imaging method to monitor in-droplet spatiotemporal changes that initiate and lead to protein aggregation. In this chapter, we describe a FLIM application for characterizing chemical chaperone-assisted decoupling of TDP-43 liquid-liquid phase separation and aggregation/fibrillation, highlighting potential therapeutic strategies to combat pathological RNP-associated aggregates without compromising cellular stress responses.

Indexed as

Biomolecular CondensatesProtein AggregatesDNA-Binding ProteinsMicroscopy, FluorescenceRibonucleoproteinsDNA-Binding ProteinsProtein AggregatesRibonucleoproteinsDroplet maturationFluorescence lifetime imaging microscopyIntrinsically disordered proteinsLiquid-liquid phase separationNeurodegenerative diseasesProtein aggregationTDP-43

Identifiers

PMID36227471
PMCPMC10321152
OpenAlexW4304891284

What OpenQuestion holds

Textmetadata
LicenceTDM
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.