Evidence map›Paper›PMID 21908391›Full record

ArticleJournal of nuclear medicine : official publication, Society of Nuclear Medicine2011

Targeting the internal epitope of prostate-specific membrane antigen with 89Zr-7E11 immuno-PET.

Alessandro Ruggiero, Jason P Holland, Tvrtko Hudolin, Larissa Shenker, Anna Koulova, Neil H Bander, Jason S Lewis, Jan Grimm

Open access · bronzeAbstract readEvaluation Study
In one paragraph

Article in Journal of nuclear medicine : official publication, Society of Nuclear Medicine, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 29 papers.

0numbers the graph read from it
0cells of the map it votes in
29citing papers in PubMed
7.8field-weighted citation impact, top 2% 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

29 citing papers in PubMed, 59 citations in OpenAlex.

  1. Article
  2. Review
  3. Article
  4. Current Perspectives onInternational journal of molecular sciences · 2020
    Review
  5. Development of zirconium-89 PET forAmerican journal of nuclear medicine and molecular imaging · 2020
    Article
  6. Article
  7. Review
  8. Article
  9. Article
  10. Article
  11. Review
  12. Article
  13. The bioconjugation and radiosynthesis of 89Zr-DFO-labeled antibodies.Journal of visualized experiments : JoVE · 2015
    Article
  14. Article
  15. Article
  16. Article
  17. Glypican-3-targeted 89Zr PET imaging of hepatocellular carcinoma.Journal of nuclear medicine : official publication, Society of Nuclear Medicine · 2014
    Article
  18. Article
  19. Review
  20. Review
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

8 authors at 3 institutions in 1 country.

Alessandro RuggieroDepartment of Radiology, Memorial Sloan-Kettering Cancer Center, New York, New York, USA.
Jason P Holland
Tvrtko Hudolin
Larissa Shenker
Anna Koulova
Neil H Bander
Jason S Lewis
Jan Grimm
Memorial Sloan Kettering Cancer Center · USEmory Healthcare · USEmory University · US

Funding

X-RAY CRYSTALLOGRAPHYP30CA008748 · NCI · SLOAN-KETTERING INSTITUTE FOR CANCER RES · PI Nicholas D Socci · 1985 to 2026
$347.4M
Molecular Imaging: Training for OncologyR25CA096945 · NCI · SLOAN-KETTERING INSTITUTE FOR CANCER RES · PI HRICAK, HEDVIG · 2002 to 2013
$5.2M
Memorial Sloan Kettering Small Animal Imaging ResearchR24CA083084 · NCI · SLOAN-KETTERING INSTITUTE FOR CANCER RES · PI KOUTCHER, JASON ARTHUR · 1999 to 2006
$4.4M
NCI NIH HHS P30 CA008748NCI NIH HHS P30 CA008748-44S5NCI NIH HHS P30 CA08748NCI NIH HHS R24 CA083084NCI NIH HHS R24 CA83084NCI NIH HHS R25 CA096945NCI NIH HHS R25T CA096945
6 · The paper itself

Abstract

unlabelledThe potential of the positron-emitting (89)Zr has been recently investigated for the design of radioimmunoconjugates for immuno-PET. In this study, we report the preparation and in vivo evaluation of (89)Zr-desferrioxamine B (DFO)-7E11, a novel (89)Zr-labeled monoclonal antibody (mAb) construct for targeted imaging of prostate-specific membrane antigen (PSMA), a prototypical cell surface marker highly overexpressed in prostate cancer. The ability of (89)Zr-DFO-7E11 to delineate tumor response to therapy was also investigated, because it binds to the intracellular epitope of PSMA, which becomes available only on membrane disruption in dead or dying cells.

methods7E11 as a marker of dying cells was studied by flow cytometry and microscopy of cells after antiandrogen-, radio-, and chemotherapy in LNCaP and PC3 PSMA-positive cells. The in vivo behavior of (89)Zr-DFO-7E11 was characterized in mice bearing subcutaneous LNCaP (PSMA-positive) tumors by biodistribution studies and immuno-PET. The potential of assessing tumor response was evaluated in vivo after radiotherapy.

resultsIn vitro studies correlated 7E11 binding with markers of apoptosis (7-amino-actinomycin-D and caspase-3). In vivo biodistribution experiments revealed high, target-specific uptake of (89)Zr-DFO-7E11 in LNCaP tumors after 24 h (20.35 ± 7.50 percentage injected dose per gram [%ID/g]), 48 h (22.82 ± 3.58 %ID/g), 96 h (36.94 ± 6.27 %ID/g), and 120 h (25.23 ± 4.82 %ID/g). Excellent image contrast was observed with immuno-PET. 7E11 uptake was statistically increased in irradiated versus control tumor as measured by immuno-PET and biodistribution studies. Binding specificity was assessed by effective blocking studies at 48 h.

conclusionThese findings suggest that (89)Zr-DFO-7E11 displays high tumor-to-background tissue contrast in immuno-PET and can be used as a tool to monitor and quantify, with high specificity, tumor response in PSMA-positive prostate cancer.

Indexed as

AnimalsAntibodies, MonoclonalAntibodies, NeoplasmAutoradiographyCell Line, TumorCell Membrane PermeabilityEpitopesHumansMaleMiceMice, SCIDPositron-Emission TomographyProstate-Specific AntigenProstatic NeoplasmsRadioisotopesRadiopharmaceuticalsAntibodies, MonoclonalAntibodies, NeoplasmEpitopesProstate-Specific AntigenRadioisotopesRadiopharmaceuticalsZirconium

Identifiers

PMID21908391
PMCPMC3537833
OpenAlexW2102636132

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.