Evidence map›Paper›PMID 22191778›Full record

ArticleNanomedicine (London, England)2012

P-glycoprotein silencing with siRNA delivered by DOPE-modified PEI overcomes doxorubicin resistance in breast cancer cells.

Gemma Navarro, Rupa R Sawant, Swati Biswas, Sean Essex, Conchita Tros de Ilarduya, Vladimir P Torchilin

Abstract read
In one paragraph

Article in Nanomedicine (London, England), 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 57 papers.

0numbers the graph read from it
0cells of the map it votes in
57citing papers in PubMed
5.7field-weighted citation impact, top 3% 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

57 citing papers in PubMed, 166 citations in OpenAlex.

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  14. Charge reversible hyaluronic acid-modified dendrimer-based nanoparticles for siMDR-1 and doxorubicin co-delivery.European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft fur Pharmazeutische Verfahrenstechnik e.V · 2020
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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

6 authors at 1 institution in 1 country.

Gemma NavarroCenter for Pharmaceutical Biotechnology & Nanomedicine, Northeastern University, Boston, MA 02115, USA.
Rupa R Sawant
Swati Biswas
Sean Essex
Conchita Tros de Ilarduya
Vladimir P Torchilin
Universidad de Navarra · ES

Funding

Physico-Chemical Nanocharacterization CoreU54CA151881 · NCI · NORTHEASTERN UNIVERSITY · PI SRIDHAR, SRINIVAS · 2010 to 2014
$12.4M
MULTIFUNCTIONAL STIMULI-SENSITIVE PHARMACEUTICAL NANOCARRIERSR01CA121838 · NCI · NORTHEASTERN UNIVERSITY · PI TORCHILIN, VLADIMIR P · 2006 to 2010
$1.4M
NCI NIH HHS R01 CA121838NCI NIH HHS R01CA121838NCI NIH HHS U54 CA151881NCI NIH HHS U54CA151881
6 · The paper itself

Abstract

aimsMultidrug resistance (MDR) mediated by overexpression of drug efflux transporters such as P-glycoprotein (P-gp), is a major problem, limiting successful chemotherapy of breast cancer. The use of siRNA to inhibit P-gp expression in MDR tumors is an attractive strategy to improve the effectiveness of anticancer drugs.

methodWe have synthesized a novel conjugate between a phospholipid (dioleoylphosphatidylethanolamine) and polyethylenimine (PEI) for siRNA delivery, for the purpose of silencing P-gp to overcome doxorubicin resistance in MCF-7 human breast cancer cells.

resultsThe dioleoylphosphatidylethanolamine-PEI conjugate enhanced the transfection efficacy of low-molecular-weight PEI, which was otherwise totally ineffective. In addition, the polyethylene glycol/lipid coating of the new complexes gave rise to small micelle-like nanoparticles with improved biocompatibility properties. Both coated and noncoated formulations delivered P-gp-specific siRNA to MDR cells. DISCUSSION: The combination of doxorubicin and P-gp silencing formulations led to a twofold increase of doxorubicin uptake and a significant improvement of the therapeutic effect of doxorubicin in resistant cells.

Indexed as

Antibiotics, AntineoplasticATP Binding Cassette Transporter, Subfamily B, Member 1Breast NeoplasmsCell Line, TumorDoxorubicinDrug CarriersDrug Delivery SystemsDrug Resistance, NeoplasmFemaleGene SilencingHumansNanoconjugatesPhosphatidylethanolaminesPolyethyleneimineRNA, Small InterferingTransfectionAntibiotics, AntineoplasticATP Binding Cassette Transporter, Subfamily B, Member 1dioleoyl phosphatidylethanolamineDoxorubicinDrug CarriersNanoconjugatesPhosphatidylethanolaminesPolyethyleneimineRNA, Small Interfering

Identifiers

PMID22191778
PMCPMC3422569
OpenAlexW2168045030

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.