Evidence map›Paper›PMID 25258533›Full record

ArticleInternational journal of nanomedicine2014

Quantification of transient increase of the blood-brain barrier permeability to macromolecules by optimized focused ultrasound combined with microbubbles.

Lingyan Shi, Paolo Palacio-Mancheno, Joseph Badami, Da Wi Shin, Min Zeng, Luis Cardoso, Raymond Tu, Bingmei M Fu

Open access · goldAbstract read
In one paragraph

Article in International journal of nanomedicine, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.

0numbers the graph read from it
0cells of the map it votes in
16citing papers in PubMed
1.3field-weighted citation impact, top 19% 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

16 citing papers in PubMed, 28 citations in OpenAlex.

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  6. A Human Neurovascular Unit On-a-Chip.Methods in molecular biology (Clifton, N.J.) · 2022
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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

8 authors at 1 institution in 1 country.

Lingyan ShiDepartment of Biomedical Engineering, The City College of the City University of New York, New York, NY, USA.
Paolo Palacio-ManchenoDepartment of Biomedical Engineering, The City College of the City University of New York, New York, NY, USA.
Joseph BadamiDepartment of Chemical Engineering, The City College of the City University of New York, New York, NY, USA.
Da Wi ShinDepartment of Biomedical Engineering, The City College of the City University of New York, New York, NY, USA.
Min ZengDepartment of Biomedical Engineering, The City College of the City University of New York, New York, NY, USA.
Luis CardosoDepartment of Biomedical Engineering, The City College of the City University of New York, New York, NY, USA.
Raymond TuDepartment of Chemical Engineering, The City College of the City University of New York, New York, NY, USA.
Bingmei M FuDepartment of Biomedical Engineering, The City College of the City University of New York, New York, NY, USA.
City College of New York · US

Funding

Tumor Cell Arrest and Adhesion in the MicrocirculationSC1CA153325 · NCI · CITY COLLEGE OF NEW YORK · PI FU, BINGMEI M. · 2010 to 2014
$750k
NCI NIH HHS CA153325NCI NIH HHS SC1 CA153325
6 · The paper itself

Abstract

Radioimmunotherapy using a radiolabeled monoclonal antibody that targets tumor cells has been shown to be efficient for the treatment of many malignant cancers, with reduced side effects. However, the blood-brain barrier (BBB) inhibits the transport of intravenous antibodies to tumors in the brain. Recent studies have demonstrated that focused ultrasound (FUS) combined with microbubbles (MBs) is a promising method to transiently disrupt the BBB for the drug delivery to the central nervous system. To find the optimal FUS and MBs that can induce reversible increase in the BBB permeability, we employed minimally invasive multiphoton microscopy to quantify the BBB permeability to dextran-155 kDa with similar molecular weight to an antibody by applying different doses of FUS in the presence of MBs with an optimal size and concentration. The cerebral microcirculation was observed through a section of frontoparietal bone thinned with a micro-grinder. About 5 minutes after applying the FUS on the thinned skull in the presence of MBs for 1 minute, TRITC (tetramethylrhodamine isothiocyanate)-dextran-155 kDa in 1% bovine serum albumin in mammalian Ringer's solution was injected into the cerebral circulation via the ipsilateral carotid artery by a syringe pump. Simultaneously, the temporal images were collected from the brain parenchyma ~100-200 μm below the pia mater. Permeability was determined from the rate of tissue solute accumulation around individual microvessels. After several trials, we found the optimal dose of FUS. At the optimal dose, permeability increased by ~14-fold after 5 minutes post-FUS, and permeability returned to the control level after 25 minutes. FUS without MBs or MBs injected without FUS did not change the permeability. Our method provides an accurate in vivo assessment for the transient BBB permeability change under the treatment of FUS. The optimal FUS dose found for the reversible BBB permeability increase without BBB disruption is reliable and can be applied to future clinical trials.

Indexed as

MicrobubblesAnimalsBlood-Brain BarrierCapillary PermeabilityDrug Delivery SystemsFemaleMicroscopy, Fluorescence, MultiphotonRatsRats, Sprague-DawleySonicationantibody deliveryin vivo cerebral microvessel permeabilitymultiphoton microscopyrat brain

Identifiers

PMID25258533
PMCPMC4173757
OpenAlexW2157651579

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC
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.