Evidence map›Paper›PMID 21799747›Full record

ArticlePloS one2011

High throughput microplate respiratory measurements using minimal quantities of isolated mitochondria.

George W Rogers, Martin D Brand, Susanna Petrosyan, Deepthi Ashok, Alvaro A Elorza, David A Ferrick, Anne N Murphy

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 290 papers.

0numbers the graph read from it
0cells of the map it votes in
290citing papers in PubMed
11.4field-weighted citation impact, top 1% 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

290 citing papers in PubMed, 478 citations in OpenAlex.

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230 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

7 authors at 2 institutions in 1 country.

George W RogersSeahorse Bioscience, North Billerica, Massachusetts, United States of America.
Martin D Brand
Susanna Petrosyan
Deepthi Ashok
Alvaro A Elorza
David A Ferrick
Anne N Murphy
Buck Institute for Research on Aging · USUniversity of California, San Diego · US

Funding

Project# 4: INTERACTIONS OF ANCHORING PROTEINS WITH THEIR TARGETSP01DK054441 · NIDDK · UNIVERSITY OF CALIFORNIA, SAN DIEGO · PI TAYLOR, SUSAN S. · 1999 to 2017
$27.3M
PROTEOMICSP01AG025901 · NIA · BUCK INSTITUTE FOR RESEARCH ON AGING · PI GIBSON, BRADFORD WAYNE · 2007 to 2011
$8.6M
Mass spectrometry and imaging technologies in GerosciencePL1AG032118 · NIA · BUCK INSTITUTE FOR RESEARCH ON AGING · PI GIBSON, BRADFORD WAYNE · 2007 to 2011
$4.5M
NIA NIH HHS P01 AG025901NIA NIH HHS PL1 AG032118NIDDK NIH HHS 2 P01 DK054441-09NIDDK NIH HHS P01 DK054441
6 · The paper itself

Abstract

Recently developed technologies have enabled multi-well measurement of O(2) consumption, facilitating the rate of mitochondrial research, particularly regarding the mechanism of action of drugs and proteins that modulate metabolism. Among these technologies, the Seahorse XF24 Analyzer was designed for use with intact cells attached in a monolayer to a multi-well tissue culture plate. In order to have a high throughput assay system in which both energy demand and substrate availability can be tightly controlled, we have developed a protocol to expand the application of the XF24 Analyzer to include isolated mitochondria. Acquisition of optimal rates requires assay conditions that are unexpectedly distinct from those of conventional polarography. The optimized conditions, derived from experiments with isolated mouse liver mitochondria, allow multi-well assessment of rates of respiration and proton production by mitochondria attached to the bottom of the XF assay plate, and require extremely small quantities of material (1-10 µg of mitochondrial protein per well). Sequential measurement of basal, State 3, State 4, and uncoupler-stimulated respiration can be made in each well through additions of reagents from the injection ports. We describe optimization and validation of this technique using isolated mouse liver and rat heart mitochondria, and apply the approach to discover that inclusion of phosphatase inhibitors in the preparation of the heart mitochondria results in a specific decrease in rates of Complex I-dependent respiration. We believe this new technique will be particularly useful for drug screening and for generating previously unobtainable respiratory data on small mitochondrial samples.

Indexed as

AnimalsCell RespirationCytological TechniquesFemaleMaleMiceMitochondriaOxygen ConsumptionRatsReproducibility of ResultsTime Factors

Identifiers

PMID21799747
PMCPMC3143121
OpenAlexW2018422556

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.