Evidence map›Paper›PMID 19671675›Full record

ArticleMolecular cancer research : MCR2009

BAX/BAK-independent mitoptosis during cell death induced by proteasome inhibition?

Elena Lomonosova, Jan Ryerse, G Chinnadurai

Open access · greenAbstract read
In one paragraph

Article in Molecular cancer research : MCR, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.

0numbers the graph read from it
0cells of the map it votes in
11citing papers in PubMed
1.6field-weighted citation impact, top 17% 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

11 citing papers in PubMed, 32 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 1 institution in 1 country.

Elena LomonosovaInstitute for Molecular Virology, Saint Louis University School of Medicine, St. Louis, Missouri, USA.
Jan Ryerse
G Chinnadurai
Saint Louis University · US

Funding

PROMOTION OF CELL SURVIVAL BY ADENOVIRUS E1B 19K PROTEINR01CA033616 · NCI · SAINT LOUIS UNIVERSITY · PI CHINNADURAI, GOVINDASWAMY · 1985 to 2015
$4.0M
ONCOGENIC AND CHEMORESISTANCE BY BCL 2R01CA073803 · NCI · SAINT LOUIS UNIVERSITY · PI CHINNADURAI, GOVINDASWAMY · 1998 to 2008
$2.0M
NCI NIH HHS CA-33616NCI NIH HHS CA-73803NCI NIH HHS R01 CA033616NCI NIH HHS R01 CA073803
6 · The paper itself

Abstract

Proteasome inhibitors induce rapid death of cancer cells. We show that in epithelial cancer cells, such death is associated with dramatic and simultaneous up-regulation of several BH3-only proteins, including BIK, BIM, MCL-1S, NOXA, and PUMA, as well as p53. Elevated levels of these proteins seem to be the result of direct inhibition of their proteasomal degradation, induction of transcription, and active translation. Subsequent cell death is independent of BAX, and probably BAK, and proceeds through the intrinsic mitochondrial apoptosis pathway. We identify the cascade of molecular events responsible for cell death induced by a prototypical proteasome inhibitor, MG132, starting with rapid accumulation of BH3-only proteins in the mitochondria, proceeding through mitochondrial membrane permeabilization and subsequent loss of DeltaPsi(m), and leading to irreversible changes of mitochondrial ultrastructure, degradation of mitochondrial network, and detrimental impairment of crucial mitochondrial functions. Our results also establish a rationale for the broader use of proteasome inhibitors to kill apoptosis-resistant tumor cells that lack functional BAX/BAK proteins.

Indexed as

Proteasome InhibitorsAnimalsApoptosisbcl-2-Associated X Proteinbcl-2 Homologous Antagonist-Killer ProteinHCT116 CellsHumansLeupeptinsMiceMitochondriaMitochondrial MembranesMyeloid Cell Leukemia Sequence 1 ProteinPermeabilityProtein BiosynthesisProto-Oncogene Proteins c-bcl-2RNA, Small Interferingbcl-2-Associated X Proteinbcl-2 Homologous Antagonist-Killer Proteinbenzyloxycarbonylleucyl-leucyl-leucine aldehydeLeupeptinsMyeloid Cell Leukemia Sequence 1 ProteinProteasome InhibitorsProto-Oncogene Proteins c-bcl-2RNA, Small InterferingTumor Suppressor Protein p53

Identifiers

PMID19671675
PMCPMC2927846
OpenAlexW2135137229

What OpenQuestion holds

Textmetadata
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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.