Evidence map›Paper›PMID 21570721›Full record

ArticleBiomaterials2011

Cell transcytosing poly-arginine coated magnetic nanovector for safe and effective siRNA delivery.

Omid Veiseh, Forrest M Kievit, Hyejung Mok, Joseph Ayesh, Cassra Clark, Chen Fang, Matthew Leung, Hamed Arami, James O Park, Miqin Zhang

Abstract read
In one paragraph

Article in Biomaterials, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers.

0numbers the graph read from it
0cells of the map it votes in
24citing papers in PubMed
–field-weighted citation impact
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

24 citing papers in PubMed.

  1. Review
  2. Review
  3. Nucleic acid drug vectors for diagnosis and treatment of brain diseases.Signal transduction and targeted therapy · 2023
    Review
  4. Article
  5. Article
  6. Article
  7. Review
  8. Review
  9. Review
  10. Review
  11. Article
  12. Review
  13. Article
  14. Article
  15. Review
  16. Bionanotechnology and the future of glioma.Surgical neurology international · 2015
    Article
  17. Article
  18. Non-viral nanocarriers for siRNA delivery in breast cancer.Journal of controlled release : official journal of the Controlled Release Society · 2014
    Review
  19. Review
  20. Article
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

10 authors.

Omid VeisehDepartment of Materials Science & Engineering, University of Washington, 302L Roberts Hall, Box 352120, Seattle, WA 98195, USA.
Forrest M Kievit
Hyejung Mok
Joseph Ayesh
Cassra Clark
Chen Fang
Matthew Leung
Hamed Arami
James O Park
Miqin Zhang

Funding

Multifuctional Nanovector For Diagnosis And Treatment Of Pediatric Brain CancerR01EB006043 · NIBIB · UNIVERSITY OF WASHINGTON · PI ZHANG, MIQIN · 2007 to 2010
$1.6M
Nanotechnology and Physical Science Training Program in Cancer ResearchT32CA138312 · NCI · UNIVERSITY OF WASHINGTON · PI ZHANG, MIQIN · 2009 to 2013
$1.5M
Nanovectors For Brain Tumor Diagnosis And TreatmentR01CA134213 · NCI · UNIVERSITY OF WASHINGTON · PI ZHANG, MIQIN · 2007 to 2011
$1.5M
NCI NIH HHS R01 CA134213NCI NIH HHS R01CA134213NCI NIH HHS T32 CA138312NCI NIH HHS T32CA138312NIBIB NIH HHS R01 EB006043NIBIB NIH HHS R01EB006043
6 · The paper itself

Abstract

Lack of safe and effective carriers for delivery of RNA therapeutics remains a barrier to its broad clinical application. We report the development of a cell tanscytosing magnetic nanovector engineered as an siRNA carrier. Iron oxide nanoparticles were modified with poly(ethylene glycol) (PEG), small interfering RNA (siRNA), and a cationic polymer layer. Three nanovector formulations with cationic polymer coatings of poly-arginine (pArg), polylysine (pLys), and polyethylenimine (PEI), respectively, were prepared. The three nanovector formulations where evaluated for safety and ability to promote gene silencing in three types of cancer cells C6/GFP(+), MCF7/GFP(+), and TC2/GFP(+), mimicking human cancers of the brain, breast, and prostate, respectively. Cell viability and fluorescence quantification assays revealed that pArg-coated nanovectors were most effective in promoting gene knockdown and least toxic of the three nanovector formulations tested. Transmission electron microscopy (TEM) imaging of nanovector treated cells further demonstrated that pArg-coated nanovectors enter cells through cell transcytosis, while pLys and PEI coated nanovectors enter cells endocytosis. Our findings suggest that NPs engineered to exploit the cell transcytosis intracellular trafficking pathway may offer a more safe and efficient route for siRNA delivery.

Indexed as

MagneticsAnimalsCell Line, TumorCell SurvivalFerric CompoundsGenetic VectorsHumansMicroscopy, ConfocalMicroscopy, Electron, TransmissionNanoparticlesPeptidesRatsRNA, Small InterferingTranscytosisTransfectionFerric Compoundsferric oxidePeptidespolyarginineRNA, Small Interfering

Identifiers

PMID21570721
PMCPMC3125526

What OpenQuestion holds

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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.