Evidence map›Paper›PMID 19833262›Full record

ArticleJournal of the American College of Cardiology2009

Noninvasive quantification and optimization of acute cell retention by in vivo positron emission tomography after intramyocardial cardiac-derived stem cell delivery.

John Terrovitis, Riikka Lautamäki, Michael Bonios, James Fox, James M Engles, Jianhua Yu, Michelle K Leppo, Martin G Pomper, Richard L Wahl, Jurgen Seidel and 4 more

Open access · greenAbstract read
In one paragraph

Article in Journal of the American College of Cardiology, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 126 papers.

0numbers the graph read from it
0cells of the map it votes in
126citing papers in PubMed
21.5field-weighted citation impact, top 1% 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

126 citing papers in PubMed, 265 citations in OpenAlex.

  1. Trial
  2. OPTRACE: Optical Imaging-Guided Transplantation and Tracking of Cells in the Mouse Brain.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026
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  11. International journal of molecular sciences · 2022
    Article
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  13. Progress in Bioengineering Strategies for Heart Regenerative Medicine.International journal of molecular sciences · 2022
    Review
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66 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

14 authors at 2 institutions in 1 country.

John TerrovitisThe Heart Institute, Cedars Sinai Medical Center, Los Angeles, California 90048, USA.
Riikka Lautamäki
Michael Bonios
James Fox
James M Engles
Jianhua Yu
Michelle K Leppo
Martin G Pomper
Richard L Wahl
Jurgen Seidel
Benjamin M Tsui
Frank M Bengel
M Roselle Abraham
Eduardo Marbán
Johns Hopkins University · USCedars-Sinai Medical Center · US

Funding

Electrophysiology and Cell Biology of Cardiac Stem CellsR01HL083109 · NHLBI · JOHNS HOPKINS UNIVERSITY · PI MARBAN, EDUARDO · 2006 to 2014
$3.6M
Small Animal Imaging Resource (SAIR)U24CA092871 · NCI · JOHNS HOPKINS UNIVERSITY · PI POMPER, MARTIN G · 2007 to 2011
$2.3M
NCI NIH HHS U24 CA092871NCI NIH HHS U24 CA92871NHLBI NIH HHS R01 HL083109
6 · The paper itself

Abstract

objectivesThe aim of this study was to quantify acute myocardial retention of cardiac-derived stem cells (CDCs) and evaluate different delivery methods with positron emission tomography (PET).

backgroundSuccess of stem cell transplantation for cardiac regeneration is partially limited by low retention/engraftment of the delivered cells. A clinically applicable method for accurate quantification of cell retention would enable optimization of cell delivery.

methodsThe CDCs were derived from syngeneic, male Wistar Kyoto (WK) rats labeled with [(18)F]-fluoro-deoxy-glucose ((18)FDG) and injected intramyocardially into the ischemic region of female WK rats after permanent left coronary artery ligation. The effects of fibrin glue (FG), bradycardia (adenosine), and cardiac arrest were examined. Imaging with (18)FDG PET was performed for quantification of cell retention. Quantitative polymerase chain reaction (PCR) for the male-specific SRY gene was performed to validate the PET results.

resultsMyocardial retention of cells suspended in phosphate-buffered saline 1 h after delivery was 17.6 +/- 11.5% by PCR and 17.8 +/- 7.3% by PET. When CDCs were injected immediately after induction of cardiac arrest, retention was increased to 75.6 +/- 18.6%. Adenosine slowed the ventricular rate and doubled CDC retention (35.4 +/- 5.3%). A similar increase in CDC retention was observed after epicardial application of FG at the injection site (37.5 +/- 8.2%). The PCR revealed a significant increase in 3-week cell engraftment in the FG animals (22.1 +/- 18.6% and 5.3 +/- 3.1%, for FG and phosphate-buffered saline, respectively).

conclusionsIn vivo PET permits accurate measurement of CDC retention early after intramyocardial delivery. Sealing injection sites with FG or lowering ventricular rate by adenosine might be clinically translatable methods for improving stem cell engraftment in a beating heart.

Indexed as

RegenerationAnimalsCell SurvivalCoronary VesselsFemaleHeartLigationMaleModels, AnimalMyocardial IschemiaMyocardiumMyocytes, CardiacPositron-Emission TomographyRatsRats, Inbred WKYStem Cell Transplantation

Identifiers

PMID19833262
PMCPMC2803039
OpenAlexW1980917009

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.