Evidence map›Paper›PMID 21911455›Full record

ArticleCancer research2011

FOXO3a-Dependent Mechanism of E1A-Induced Chemosensitization.

Jen-Liang Su, Xiaoyun Cheng, Hirohito Yamaguchi, Yi-Wen Chang, Chao-Feng Hou, Dung-Fang Lee, How-Wen Ko, Kuo-Tai Hua, Ying-Nai Wang, Michael Hsiao and 5 more

Open access · greenAbstract read
In one paragraph

Article in Cancer research, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers.

0numbers the graph read from it
0cells of the map it votes in
28citing papers in PubMed
2.4field-weighted citation impact, top 11% 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

28 citing papers in PubMed, 45 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

15 authors at 6 institutions in 3 countries.

Jen-Liang SuGraduate Institute of Cancer Biology, College of Medicine, China Medical University, Taiwan.
Xiaoyun Cheng
Hirohito Yamaguchi
Yi-Wen Chang
Chao-Feng Hou
Dung-Fang Lee
How-Wen Ko
Kuo-Tai Hua
Ying-Nai Wang
Michael Hsiao
Poshen B Chen
Jung-Mao Hsu
Robert C Bast
Gabriel N Hortobagyi
Mien-Chie Hung
The University of Texas MD Anderson Cancer Center · USChina Medical University · CNNational Taiwan University · TWAsia University · TWChina Medical University Hospital · TWGenomics Research Center, Academia Sinica · TW

Funding

Tumor Evolution and Metastasis ProgramP30CA016672 · NCI · UNIVERSITY OF TX MD ANDERSON CAN CTR · PI Scott Kopetz · 1985 to 2026
$290.8M
UNIVERSITY OF TEXAS MD ANDERSON SPORE IN OVARIAN CANCERP50CA083639 · NCI · UNIVERSITY OF TX MD ANDERSON CAN CTR · PI BAST, ROBERT C · 1999 to 2015
$33.0M
UTMDACC SPORE in Breast CancerP50CA116199 · NCI · UNIVERSITY OF TX MD ANDERSON CAN CTR · PI BERRY, DONALD A · 2005 to 2009
$11.9M
Tyrosine Kinase-Dependant and - Independent Pathways of EGFR in Breast Cancer ProP01CA099031 · NCI · UNIVERSITY OF TX MD ANDERSON CAN CTR · PI HUNG, MIEN-CHIE · 2003 to 2014
$11.6M
Tumor Progression of Nuclear EGFR in Breast CancerR01CA109311 · NCI · UNIVERSITY OF TX MD ANDERSON CAN CTR · PI HUNG, MIEN-CHIE · 2004 to 2014
$3.0M
NCI NIH HHS CA116199NCI NIH HHS CA16672NCI NIH HHS CA83639NCI NIH HHS P01 CA099031NCI NIH HHS P30 CA016672NCI NIH HHS P50 CA083639NCI NIH HHS P50 CA116199NCI NIH HHS R01 CA109311
6 · The paper itself

Abstract

Gene therapy trials in human breast, ovarian, and head and neck tumors indicate that adenovirus E1A can sensitize cancer cells to the cytotoxic effects of paclitaxel in vitro and in vivo. Resistance to paclitaxel has been reported to occur in cells expressing low levels of the Forkhead transcription factor FOXO3a. In this article, we report that FOXO3a is critical for E1A-mediated chemosensitization to paclitaxel. RNA interference-mediated knockdown of FOXO3a abolished E1A-induced sensitivity to paclitaxel. Mechanistic investigations indicated that E1A indirectly stabilized FOXO3a by acting at an intermediate step to inhibit a ubiquitin-dependent proteolysis pathway involving the E3 ligase βTrCP and the FOXO3a inhibitory kinase IKKβ. E1A derepressed this inhibitory pathway by stimulating expression of the protein phosphatase 2A (PP2A)/C protein phosphatases, which by binding to the TGF-β-activated kinase TAK1, inhibited its ability to activate IKKβ and, thereby, to suppress βTrCP-mediated degradation of FOXO3a. Thus, by stimulating PP2A/C expression, E1A triggers a signaling cascade that stabilizes FOXO3a and mediates chemosensitization. Our findings provide a leap forward in understanding paclitaxel chemosensitization by E1A, and offer a mechanistic rational to apply E1A gene therapy as an adjuvant for improving therapeutic outcomes in patients receiving paclitaxel treatment.

Indexed as

AdenocarcinomaAdenovirus E1A ProteinsAdenoviruses, HumanAnimalsAntibodies, Monoclonalbeta-Transducin Repeat-Containing ProteinsBreast NeoplasmsCell Line, TumorDrug Resistance, NeoplasmFemaleForkhead Box Protein O3Forkhead Transcription FactorsGenetic TherapyGenetic VectorsHumansI-kappa B KinaseAdenovirus E1A ProteinsAntibodies, Monoclonalbeta-Transducin Repeat-Containing ProteinsBTRC protein, humanForkhead Box Protein O3Forkhead Transcription FactorsFOXO3 protein, humanI-kappa B KinaseMAP Kinase Kinase Kinase 7MAP Kinase Kinase KinasesNeoplasm ProteinsPaclitaxelProtein Phosphatase 2RNA, Small InterferingUbiquitin

Identifiers

PMID21911455
PMCPMC3242367
OpenAlexW2091798601

What OpenQuestion holds

Textmetadata
LicenceTDM
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.