Evidence map›Paper›PMID 18591438›Full record

ArticleCirculation2008

Longitudinal tracking of recipient macrophages in a rat chronic cardiac allograft rejection model with noninvasive magnetic resonance imaging using micrometer-sized paramagnetic iron oxide particles.

Qing Ye, Yijen L Wu, Lesley M Foley, T Kevin Hitchens, Danielle F Eytan, Haval Shirwan, Chien Ho

Open access · bronzeAbstract read
In one paragraph

Article in Circulation, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 38 papers.

0numbers the graph read from it
0cells of the map it votes in
38citing papers in PubMed
6.5field-weighted citation impact, top 4% 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

38 citing papers in PubMed, 72 citations in OpenAlex.

  1. Review
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  5. Cardiac MRI Assessment of Mouse Myocardial Infarction and Regeneration.Methods in molecular biology (Clifton, N.J.) · 2021
    Article
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  8. Application of animal and human PET in cardiac research.American journal of cardiovascular disease · 2018
    Review
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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

7 authors at 1 institution in 2 countries.

Qing YeDepartment of Biological Sciences and Pittsburgh NMR Center for Biomedical Research, Carnegie Mellon University, Pittsburgh, PA 15213, USA.
Yijen L Wu
Lesley M Foley
T Kevin Hitchens
Danielle F Eytan
Haval Shirwan
Chien Ho
University of Louisville · US

Funding

A MULTIDISCIPLINARY NMR CENTER FOR BIOMEDICAL RESEARCHP41EB001977 · NIBIB · MELLON PITTS CORPORATION (MPC CORP) · PI HO, CHIEN · 2003 to 2013
$12.5M
DEVELOPMENT OF MRI TO DETECT CARDIAC REJECTIONR01HL081349 · NHLBI · CARNEGIE-MELLON UNIVERSITY · PI HO, CHIEN · 2007 to 2010
$2.4M
MONITORING IMMUNE CELL MIGRATION BY IN-VIVO MRI IN RATSR01EB000318 · NIBIB · CARNEGIE-MELLON UNIVERSITY · PI HO, CHIEN · 2002 to 2003
$1.3M
Allograft Tolerance with Fas/FasL-Mediated ApoptosisR01AI047864 · NIAID · UNIVERSITY OF LOUISVILLE · PI SHIRWAN, HAVAL · 2002 to 2005
$1.1M
NHLBI NIH HHS R01 HL081349NHLBI NIH HHS R01HL-081349NIAID NIH HHS R01 AI047864NIAID NIH HHS R01AI-47864NIBIB NIH HHS P41 EB001977NIBIB NIH HHS P41EB-001977NIBIB NIH HHS R01 EB000318NIBIB NIH HHS R01EB-00318
6 · The paper itself

Abstract

backgroundLong-term survival of heart transplants is hampered by chronic rejection (CR). Studies indicate the involvement of host macrophages in the development of CR; however, the precise role of these cells in CR is unclear. Thus, it is important to develop noninvasive techniques to serially monitor the movement and distribution of recipient macrophages in chronic cardiac allograft rejection in vivo. METHODS AND

resultsWe have employed a rat heterotopic working-heart CR model for a magnetic resonance imaging experiment. Twenty-one allograft (PVG.1U-->PVG.R8) and 9 isograft (PVG.R8-->PVG.R8) transplantations were performed. Recipient macrophages are labeled via intravenous injection of micron-sized paramagnetic iron oxide particles (0.9 microm in diameter) at a dose of 4.5 mg Fe per rat 1 day before transplantation. Serial in vivo magnetic resonance images were acquired for up to 16 weeks. The migration of labeled recipient cells in our CR model, in which cardiac CR is evident at 3 weeks and most extensive by 16 weeks after transplantation, can be assessed with the use of in vivo magnetic resonance imaging for >100 days after a single micron-sized paramagnetic iron oxide injection. The location and distribution of labeled recipient cells were confirmed with magnetic resonance microscopy and histology.

conclusionsThis approach may improve our understanding of the immune cells involved in CR and the management of heart transplantation. Moreover, this study demonstrates the feasibility of noninvasively observing individual targeted cells over long time periods by serial in vivo magnetic resonance imaging.

Indexed as

Cell MovementAnimalsFerric CompoundsGraft RejectionHeart TransplantationMacrophagesMagnetic Resonance ImagingModels, AnimalRatsTime FactorsTransplantation, HomologousTransplantation, IsogeneicFerric Compoundsferric oxide

Identifiers

PMID18591438
PMCPMC2613640
OpenAlexW1991183903

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.