Evidence map›Paper›PMID 25227668›Full record

ArticleMagnetic resonance in medicine2015

Assessing tumor cytoarchitecture using multiecho DSC-MRI derived measures of the transverse relaxivity at tracer equilibrium (TRATE).

Natenael B Semmineh, Junzhong Xu, Jack T Skinner, Jingping Xie, Hua Li, Gregory Ayers, C Chad Quarles

Open access · bronzeAbstract read
In one paragraph

Article in Magnetic resonance in medicine, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 26 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
26citing papers in PubMed, 1 pooled it
1.9field-weighted citation impact, top 16% 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

26 citing papers in PubMed, 1 synthesis or guideline pooled it, 33 citations in OpenAlex.

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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 1 country.

Natenael B SemminehInstitute of Imaging Science, Vanderbilt University, Nashville, Tennessee, USA.
Junzhong XuInstitute of Imaging Science, Vanderbilt University, Nashville, Tennessee, USA.
Jack T SkinnerInstitute of Imaging Science, Vanderbilt University, Nashville, Tennessee, USA.
Jingping XieInstitute of Imaging Science, Vanderbilt University, Nashville, Tennessee, USA.
Hua LiInstitute of Imaging Science, Vanderbilt University, Nashville, Tennessee, USA.
Gregory AyersDepartment of Biostatistics, Vanderbilt University, Nashville, Tennessee, USA.
C Chad QuarlesInstitute of Imaging Science, Vanderbilt University, Nashville, Tennessee, USA.
Vanderbilt University · US

Funding

Tumor Immunology and Microenvironment Research ProgramP30CA068485 · NCI · VANDERBILT UNIVERSITY MEDICAL CENTER · PI MATTHEW J TYSKA · 1995 to 2026
$172.8M
Multidisciplinary Training in Basic and Translational Imaging of CancerR25CA092043 · NCI · VANDERBILT UNIVERSITY MEDICAL CENTER · PI MANNING, HENRY CHARLES · 2001 to 2015
$6.6M
MRI Assessment of Tumor Perfusion, Permeability and CellularityR01CA158079 · NCI · VANDERBILT UNIVERSITY · PI QUARLES, CHRISTOPHER CHAD · 2011 to 2021
$3.5M
South-Eastern Center for Imaging Animal Models of CancerU24CA126588 · NCI · VANDERBILT UNIVERSITY · PI GORE, JOHN C · 2007 to 2011
$2.1M
Quantitative MRI Assessment of Tumor Hypoxia and AngiogenesisR00CA127599 · NCI · VANDERBILT UNIVERSITY · PI QUARLES, CHRISTOPHER CHAD · 2008 to 2010
$747k
Assessment of Tumor Early Response to Treatment by Diffusion MRIK25CA168936 · NCI · VANDERBILT UNIVERSITY MEDICAL CENTER · PI XU, JUNZHONG · 2013 to 2017
$728k
Quantitative MRI Assessment of Tumor Hypoxia and AngiogenesisK99CA127599 · NCI · VANDERBILT UNIVERSITY · PI QUARLES, CHRISTOPHER CHAD · 2007 to 2007
$131k
NCI NIH HHS K25 CA168936NCI NIH HHS K99 CA127599NCI NIH HHS K99/R00 CA127599NCI NIH HHS P30 CA068485NCI NIH HHS R00 CA127599NCI NIH HHS R01 CA158079NCI NIH HHS R25 CA092043NCI NIH HHS U24 CA126588
6 · The paper itself

Abstract

purposeIn brain tumor dynamic susceptibility contrast (DSC)-MRI studies, multiecho acquisition methods are used to quantify the dynamic changes in T1 and T2 * that occur when contrast agent (CA) extravasates. Such methods also enable the estimation of the effective tissue CA transverse relaxivity. The goal of this study was to evaluate the sensitivity of the transverse relaxivity at tracer equilibrium (TRATE) to tumor cytoarchitecture.

methodsComputational and in vitro studies were used to evaluate the biophysical basis of TRATE. In 9L, C6, and human brain tumors, TRATE, the apparent diffusion coefficient (ADC), the CA transfer constant (K(trans) ), the extravascular extracellular volume fraction (ve ), and histological data were compared.

resultsSimulations and in vitro results indicate that TRATE is highly sensitive to variations in cellular properties such as cell size and density. The histologic cell density and TRATE values were significantly higher in 9L tumors as compared to C6 tumors. In animal and human tumors, a voxel-wise comparison of TRATE with ADC, ve , and K(trans) maps showed low spatial correlation.

conclusionThe assessment of TRATE is clinically feasible and its sensitivity to tissue cytoarchitectural features not present in other imaging methods indicate that it could potentially serve as a unique structural signature or "trait" of cancer.

Indexed as

AgedAnimalsBrainBrain NeoplasmsComputer SimulationContrast MediaFemaleHumansMagnetic Resonance ImagingMaleMiddle AgedModels, BiologicalRatsRats, Inbred F344Rats, WistarContrast Mediacellular structurescontrast agent equilibriumcontrast agent leakagedynamic susceptibility contrasttransverse relaxationvascular structures

Identifiers

PMID25227668
PMCPMC4362846
OpenAlexW1561006857

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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.