Evidence map›Paper›PMID 37670402›Full record

ArticleAdvanced biology2024

Rigorous Comparison of Extracellular Vesicle Processing to Enhance Downstream Analysis for Glioblastoma Characterization.

Tiffaney Hsia, Dong Gil You, Michelle Garlin Politis, Syeda Maheen Batool, Emil Ekanayake, Hakho Lee, Bob S Carter, Leonora Balaj

Open access · greenAbstract read
In one paragraph

Article in Advanced biology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
0.2field-weighted citation impact, top 41% 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

1 citing paper in PubMed, 1 citations in OpenAlex.

  1. Review
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 2 institutions in 1 country.

Tiffaney HsiaDepartment of Neurosurgery, Massachusetts General Hospital, 185 Cambridge Street, Boston, MA, 02114, USA.
Dong Gil YouDepartment of Neurosurgery, Massachusetts General Hospital, 185 Cambridge Street, Boston, MA, 02114, USA.
Michelle Garlin PolitisCenter for Systems Biology, Massachusetts General Hospital, 185 Cambridge Street, Boston, MA, 02114, USA.
Syeda Maheen BatoolDepartment of Neurosurgery, Massachusetts General Hospital, 185 Cambridge Street, Boston, MA, 02114, USA.
Emil EkanayakeDepartment of Neurosurgery, Massachusetts General Hospital, 185 Cambridge Street, Boston, MA, 02114, USA.
Hakho LeeCenter for Systems Biology, Massachusetts General Hospital, 185 Cambridge Street, Boston, MA, 02114, USA.
Bob S CarterDepartment of Neurosurgery, Massachusetts General Hospital, 185 Cambridge Street, Boston, MA, 02114, USA.
Leonora BalajDepartment of Neurosurgery, Massachusetts General Hospital, 185 Cambridge Street, Boston, MA, 02114, USA.ORCID 0000-0003-0931-9715
Massachusetts General Hospital · USHarvard University · US

Funding

Liquid Biopsy for treatment stratification of IDH1.R132H and EGFRvIII mutant gliomasU01CA230697 · NCI · MASSACHUSETTS GENERAL HOSPITAL · PI CARTER, BOB S, SKOG, JOHAN · 2018 to 2022
$4.0M
Imaging and Liquid Biopsy for Glioma Diagnosis and Treatment MonitoringR01CA239078 · NCI · MASSACHUSETTS GENERAL HOSPITAL · PI BALAJ, LEONORA, LEE, HAKHO · 2020 to 2024
$3.1M
Standardized Molecular Analyses of Glioma EVsR01CA237500 · NCI · MASSACHUSETTS GENERAL HOSPITAL · PI CARTER, BOB S, LEE, HAKHO · 2020 to 2024
$3.0M
Molecular subtyping of brain tumors using a blood-based multiplexed assayR01CA291826 · NCI · MASSACHUSETTS GENERAL HOSPITAL · PI Leonora Balaj, Bob S Carter · 2025 to 2026
$1.3M
NCI NIH HHS R01 CA237500NCI NIH HHS R01 CA239078NCI NIH HHS R01 CA291826NCI NIH HHS U01 CA230697
6 · The paper itself

Abstract

Extracellular vesicles (EVs) are highly sought after as a source of biomarkers for disease detection and monitoring. Tumor EV isolation, processing, and evaluation from biofluids is convoluted by EV heterogeneity and biological contaminants and is limited by technical processing efficacy. This study rigorously compares common bulk EV isolation workflows (size exclusion chromatography, SEC; membrane affinity, MA) alongside downstream RNA extraction protocols to investigate molecular analyte recovery. EV integrity and recovery is evaluated using a variety of technologies to quantify total intact EVs, total and surface proteins, and RNA purity and recovery. A comprehensive evaluation of each analyte is performed, with a specific emphasis on maintaining user (n = 2), biological (n = 3), and technical replicates (n≥3) under in vitro conditions. Subsequent study of tumor EV spike-in into healthy donor plasma samples is performed to further validate biofluid-derived EV purity and isolation for clinical application. Results show that EV surface integrity is considerably preserved in eluates from SEC-derived EVs, but RNA recovery and purity, as well as bulk protein isolation, is significantly improved in MA-isolated EVs. This study concludes that EV isolation and RNA extraction pipelines govern recovered analyte integrity, necessitating careful selection of processing modality to enhance recovery of the analyte of interest.

Indexed as

Extracellular VesiclesGlioblastomaChromatography, GelHumansMembrane ProteinsRNAMembrane ProteinsRNAextracellular vesiclesliquid biopsymembrane affinity isolationRNA puritysingle particle phenotypingsize exclusion chromatography

Identifiers

PMID37670402
PMCPMC12247158
OpenAlexW4386467525

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.