Evidence map›Paper›PMID 20965562›Full record

ArticleBiomaterials2010

Gadonanotubes as magnetic nanolabels for stem cell detection.

Lesa A Tran, Ramkumar Krishnamurthy, Raja Muthupillai, Maria da Graça Cabreira-Hansen, James T Willerson, Emerson C Perin, Lon J Wilson

Abstract read
In one paragraph

Article in Biomaterials, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers.

0numbers the graph read from it
0cells of the map it votes in
28citing 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

28 citing papers in PubMed.

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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.

Lesa A TranDepartment of Chemistry, Smalley Institute for Nanoscale Science and Technology, MS-60, P.O. Box 1892, Rice University, Houston, TX 77251-1892, USA.
Ramkumar Krishnamurthy
Raja Muthupillai
Maria da Graça Cabreira-Hansen
James T Willerson
Emerson C Perin
Lon J Wilson

Funding

Gadonanotubes as New MRI Nanolabels for Stem Cell TrackingRC1EB010791 · NIBIB · TEXAS HEART INSTITUTE · PI PERIN, EMERSON CARVALHO · 2009 to 2010
$1.0M
NIBIB NIH HHS 1RC1EB010791-01NIBIB NIH HHS RC1 EB010791
6 · The paper itself

Abstract

Stem cell-based therapies have emerged as a promising approach in regenerative medicine. In the development of such therapies, the demand for imaging technologies that permit the noninvasive monitoring of transplanted stem cells in vivo is growing. Here, we report the performance of gadolinium-containing carbon nanocapsules, or gadonanotubes (GNTs), as a new T₁-weighted magnetic resonance imaging (MRI) intracellular labeling agent for pig bone marrow-derived mesenchymal stem cells (MSCs). Without the use of a transfection agent, micromolar concentrations of GNTs can deliver up to 10⁹ Gd(3+) ions per cell without compromising cell viability, differentiation potential, proliferation pattern, and phenotype. Imaging 10 × 10⁶ GNT-labeled MSCs demonstrates a nearly two-fold reduction in T₁ relaxation time when compared to unlabeled MSCs at 1.5 T in a clinical MRI scanner, which easily permits the discrimination of GNT-labeled MSCs in a T₁-weighted MR image. It is anticipated that GNTs will allow in vivo tracking of GNT-labeled MSCs, as well as other mammalian cell types, by T₁-weighted imaging with greater efficacy than other current technologies now allow.

Indexed as

MagneticsAnimalsCell AdhesionColony-Forming Units AssayFlow CytometryGadoliniumImmunohistochemistryMagnetic Resonance ImagingMaleMesenchymal Stem CellsNanotubesStaining and LabelingSus scrofaTime FactorsGadolinium

Identifiers

PMID20965562
PMCPMC2976808

What OpenQuestion holds

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Registered trials

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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.