Evidence map›Paper›PMID 22157973›Full record

ArticleNature protocols2011

Quantitative imaging of membrane lipid order in cells and organisms.

Dylan M Owen, Carles Rentero, Astrid Magenau, Ahmed Abu-Siniyeh, Katharina Gaus

Abstract read
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In one paragraph

Article in Nature protocols, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 228 papers.

0numbers the graph read from it
0cells of the map it votes in
228citing papers in PubMed
–field-weighted citation impact
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

228 citing papers in PubMed.

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  8. High-Fat Diet Remodels Plasma Membrane Rigidity to Potentiate Colonocyte Stemness in Mice.Cellular and molecular gastroenterology and hepatology · 2026
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168 more citing papers are in PubMed but not listed here.

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

5 authors.

Dylan M OwenCentre for Vascular Research, University of New South Wales, Sydney, Australia. dylan.owen@unsw.edu.au
Carles Rentero
Astrid Magenau
Ahmed Abu-Siniyeh
Katharina Gaus

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

It is now recognized that lipids and proteins in cellular membranes are not homogenously distributed. A high degree of membrane order is the biophysical hallmark of cholesterol-enriched lipid rafts, which may induce the lateral sorting of proteins within the membrane. Here we describe a quantitative fluorescence microscopy technique for imaging localized lipid environments and measuring membrane lipid order in live and fixed cells, as well as in intact tissues. The method is based on the spectral ratiometric imaging of the polarity-sensitive membrane dyes Laurdan and di-4-ANEPPDHQ. Laurdan typically requires multiphoton excitation, making it suitable for the imaging of tissues such as whole, living zebrafish embryos, whereas di-4-ANEPPDHQ imaging can be achieved with standard confocal microscopes. This approach, which takes around 4 h, directly examines the organization of cellular membranes and is distinct from alternative approaches that infer membrane order by measuring probe partitioning or dynamics.

Indexed as

AnimalsCell MembraneHeLa CellsHumansMembrane LipidsMicroscopy, FluorescenceSoftwareZebrafishMembrane Lipids

Identifiers

PMID22157973

What OpenQuestion holds

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Registered trials

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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.