Evidence map›Paper›PMID 20028970›Full record

ArticleThe Journal of biological chemistry2010

Identification of clusterin domain involved in NF-kappaB pathway regulation.

Abdellatif Essabbani, Florence Margottin-Goguet, Gilles Chiocchia

Open access · hybridAbstract read
In one paragraph

Article in The Journal of biological chemistry, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
22citing papers in PubMed, 1 pooled it
1.9field-weighted citation impact, top 14% 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

22 citing papers in PubMed, 1 synthesis or guideline pooled it, 41 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

3 authors at 3 institutions in 1 country.

Abdellatif EssabbaniInserm, U567, Institut Cochin, 75014 Paris, France.
Florence Margottin-Goguet
Gilles Chiocchia
Centre National de la Recherche Scientifique · FRInserm · FRUniversité Paris Cité · FR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Clusterin (CLU) is a ubiquitous protein that has been implicated in tumorigenesis, apoptosis, inflammation, and cell proliferation. We and others have previously shown that CLU is an inhibitor of the NF-kappaB pathway. However, the exact form of CLU and the region(s) of CLU involved in this effect were unknown. Using newly generated molecular constructs encoding for CLU and various regions of the molecule, we demonstrated that the presecretory form of CLU (psCLU) form bears the NF-kappaB regulatory activity. Sequence comparison analysis showed sequence motif identity between CLU and beta-transducin repeat-containing protein (beta-TrCP), a main E3 ubiquitin ligase involved in IkappaB-alpha degradation. These homologies were localized in the disulfide constraint region of CLU. We generated a specific molecular construct of this region, named DeltaCLU, and showed that it has the same NF-kappaB regulatory activity as CLU. Neither the alpha-chain nor the beta-chain of CLU had any NF-kappaB regulatory activity. Furthermore, we showed that following tumor necrosis factor-alpha stimulation of transfected cells, we could co-immunoprecipitate phospho-IkappaB-alpha with DeltaCLU. Moreover, we showed that DeltaCLU could localize both in the cytoplasm and in the nucleus. These results demonstrate the identification of a new CLU activity site involved in NF-kappaB pathway regulation.

Indexed as

Blotting, WesternCell NucleusClusterinCytoplasmGene ExpressionHeLa CellsHumansI-kappa B ProteinsImmunoprecipitationMicroscopy, ConfocalNF-kappa BNF-KappaB Inhibitor alphaProtein BindingSignal TransductionTumor Necrosis Factor-alphaClusterinI-kappa B ProteinsNF-kappa BNF-KappaB Inhibitor alphaNFKBIA protein, humanTumor Necrosis Factor-alpha

Identifiers

PMID20028970
PMCPMC2836031
OpenAlexW2088440440

What OpenQuestion holds

Textmetadata
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.