Evidence map›Paper›PMID 22234658›Full record

ArticlePhotochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology2012

Photochemical release of methotrexate from folate receptor-targeting PAMAM dendrimer nanoconjugate.

Seok Ki Choi, Thommey P Thomas, Ming-Hsin Li, Ankur Desai, Alina Kotlyar, James R Baker

Open access · greenAbstract read
In one paragraph

Article in Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.

0numbers the graph read from it
0cells of the map it votes in
14citing papers in PubMed
3.8field-weighted citation impact, top 6% 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

14 citing papers in PubMed, 54 citations in OpenAlex.

  1. Control of Gemcitabine Activity With Blue and Red Light.Chemistry (Weinheim an der Bergstrasse, Germany) · 2026
    Article
  2. Article
  3. Article
  4. Review
  5. Article
  6. Light induced drug release from a folic acid-drug conjugate.Bioorganic & medicinal chemistry letters · 2017
    Article
  7. Article
  8. Article
  9. Review
  10. Article
  11. Article
  12. Article
  13. Article
  14. 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

6 authors at 1 institution in 1 country.

Seok Ki ChoiMichigan Nanotechnology Institute for Medicine and Biological Sciences, University of Michigan, Ann Arbor, MI 48109, USA. skchoi@umich.edu
Thommey P Thomas
Ming-Hsin Li
Ankur Desai
Alina Kotlyar
James R Baker
University of Michigan–Ann Arbor · US

Funding

DNA-linked dendrimer nanoparticle systems for diagnosisR01CA119409 · NCI · UNIVERSITY OF MICHIGAN AT ANN ARBOR · PI BAKER, JAMES R. · 2005 to 2009
$2.6M
NCI NIH HHS 1 R01 CA119409NCI NIH HHS R01 CA119409
6 · The paper itself

Abstract

Nanoparticle (NP)-based targeted drug delivery involves cell-specific targeting followed by a subsequent therapeutic action from the therapeutic carried by the NP system. NPs conjugated with methotrexate (MTX), a potent inhibitor of dihydrofolate reductase (DHFR) localized in cytosol, have been under investigation as a delivery system to target cancer cells to enhance the therapeutic index of methotrexate, which is otherwise non-selectively cytotoxic. Despite improved therapeutic activity from MTX-conjugated NPs in vitro and in vivo, the therapeutic action of these conjugates following cellular entry is poorly understood; in particular it is unclear whether the therapeutic activity requires release of the MTX. This study investigates whether MTX must be released from a nanoparticle in order to achieve the therapeutic activity. We report herein light-controlled release of methotrexate from a dendrimer-based conjugate and provide evidence suggesting that MTX still attached to the nanoconjugate system is fully able to inhibit the activity of its enzyme target and the growth of cancer cells.

Indexed as

ApoptosisCell Line, TumorDendrimersFolic Acid AntagonistsHumansMethotrexateNanoconjugatesNeoplasmsPhotolysisSpectrophotometry, UltravioletTetrahydrofolate DehydrogenaseUltraviolet RaysDendrimersFolic Acid AntagonistsMethotrexateNanoconjugatesPAMAM StarburstTetrahydrofolate Dehydrogenase

Identifiers

PMID22234658
PMCPMC4457390
OpenAlexW2115814373

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.