Evidence map›Paper›PMID 10449523›Full record

ArticleThe Journal of experimental medicine1999

Transport of bacterial lipopolysaccharide to the golgi apparatus.

N Thieblemont, S D Wright

Open access · bronzeAbstract read
In one paragraph

Article in The Journal of experimental medicine, 1999. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 39 papers.

0numbers the graph read from it
0cells of the map it votes in
39citing papers in PubMed
2.9field-weighted citation impact, top 9% 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

39 citing papers in PubMed, 120 citations in OpenAlex.

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  19. Rab7b and receptors trafficking.Communicative & integrative biology · 2010
    Article
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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

2 authors at 1 institution in 1 country.

N ThieblemontMerck Research Laboratories, Rahway, New Jersey 07065, USA.
S D Wright
Merck & Co., Inc., Rahway, NJ, USA (United States) · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Addition of lipopolysaccharide (LPS) to cells in the form of LPS-soluble (s)CD14 complexes induces strong cellular responses. During this process, LPS is delivered from sCD14 to the plasma membrane, and the cell-associated LPS is then rapidly transported to an intracellular site. This transport appears to be important for certain cellular responses to LPS, as drugs that block transport also inhibit signaling and cells from LPS-hyporesponsive C3H/HeJ mice fail to exhibit this transport. To identify the intracellular destination of fluorescently labeled LPS after its delivery from sCD14 into cells, we have made simultaneous observations of different organelles using fluorescent vital dyes or probes. Endosomes, lysosomes, the endoplasmic reticulum, and the Golgi apparatus were labeled using Texas red (TR)-dextran, LysoTrackertrade mark Red DND-99, DiOC6(3), and boron dipyrromethane (BODIPY)-ceramide, respectively. After 30 min, LPS did not colocalize with endosomes, lysosomes, or endoplasmic reticulum in polymorphonuclear leukocytes, although some LPS-positive vesicles overlapped with the endosomal marker, fluorescent dextran. On the other hand, LPS did appear to colocalize with two markers of the Golgi apparatus, BODIPY-ceramide and TRITC (tetramethylrhodamine isothiocyanate)-labeled cholera toxin B subunit. We further confirmed the localization of LPS in the Golgi apparatus using an epithelial cell line, HeLa, which responds to LPS-sCD14 complexes in a CD14-dependent fashion: BODIPY-LPS was internalized and colocalized with fluorescently labeled Golgi apparatus probes in live HeLa cells. Morphological disruption of the Golgi apparatus in brefeldin A-treated HeLa cells caused intracellular redistribution of fluorescent LPS. These results are consistent with the Golgi apparatus being the primary delivery site of monomeric LPS.

Indexed as

Biological TransportBiomarkersBoron CompoundsCell CompartmentationCytoplasmic GranulesDose-Response Relationship, DrugEndoplasmic ReticulumFluorescent DyesGolgi ApparatusHeLa CellsHumansInterleukin-8Lipopolysaccharide ReceptorsLipopolysaccharidesLysosomesMicroscopy, Confocal4,4-difluoro-4-bora-3a,4a-diaza-s-indaceneBiomarkersBoron CompoundsFluorescent DyesInterleukin-8Lipopolysaccharide ReceptorsLipopolysaccharidesMolecular Probes

Identifiers

PMID10449523
PMCPMC2195609
OpenAlexW2000531499

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-SA
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.