Evidence map›Paper›PMID 26107884›Full record

ArticlePloS one2015

High-Density Dielectrophoretic Microwell Array for Detection, Capture, and Single-Cell Analysis of Rare Tumor Cells in Peripheral Blood.

Atsushi Morimoto, Toshifumi Mogami, Masaru Watanabe, Kazuki Iijima, Yasuyuki Akiyama, Koji Katayama, Toru Futami, Nobuyuki Yamamoto, Takeshi Sawada, Fumiaki Koizumi and 1 more

Abstract read
In one paragraph

Article in PloS one, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.

0numbers the graph read from it
0cells of the map it votes in
20citing 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

20 citing papers in PubMed.

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  20. Tumor Heterogeneity, Single-Cell Sequencing, and Drug Resistance.Pharmaceuticals (Basel, Switzerland) · 2016
    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

11 authors.

Atsushi MorimotoLife Science Research Laboratory, Tosoh Corporation, Kanagawa, Japan.
Toshifumi MogamiLife Science Research Laboratory, Tosoh Corporation, Kanagawa, Japan.
Masaru WatanabeThird Department of Internal Medicine, Wakayama Medical University, Wakayama, Japan.
Kazuki IijimaLife Science Research Laboratory, Tosoh Corporation, Kanagawa, Japan.
Yasuyuki AkiyamaLife Science Research Laboratory, Tosoh Corporation, Kanagawa, Japan.
Koji KatayamaLife Science Research Laboratory, Tosoh Corporation, Kanagawa, Japan.
Toru FutamiLife Science Research Laboratory, Tosoh Corporation, Kanagawa, Japan.
Nobuyuki YamamotoThird Department of Internal Medicine, Wakayama Medical University, Wakayama, Japan.
Takeshi SawadaShien-Lab, National Cancer Center Hospital, Tokyo, Japan.
Fumiaki KoizumiShien-Lab, National Cancer Center Hospital, Tokyo, Japan.
Yasuhiro KohThird Department of Internal Medicine, Wakayama Medical University, Wakayama, Japan.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Development of a reliable platform and workflow to detect and capture a small number of mutation-bearing circulating tumor cells (CTCs) from a blood sample is necessary for the development of noninvasive cancer diagnosis. In this preclinical study, we aimed to develop a capture system for molecular characterization of single CTCs based on high-density dielectrophoretic microwell array technology. Spike-in experiments using lung cancer cell lines were conducted. The microwell array was used to capture spiked cancer cells, and captured single cells were subjected to whole genome amplification followed by sequencing. A high detection rate (70.2%-90.0%) and excellent linear performance (R2 = 0.8189-0.9999) were noted between the observed and expected numbers of tumor cells. The detection rate was markedly higher than that obtained using the CellSearch system in a blinded manner, suggesting the superior sensitivity of our system in detecting EpCAM- tumor cells. Isolation of single captured tumor cells, followed by detection of EGFR mutations, was achieved using Sanger sequencing. Using a microwell array, we established an efficient and convenient platform for the capture and characterization of single CTCs. The results of a proof-of-principle preclinical study indicated that this platform has potential for the molecular characterization of captured CTCs from patients.

Indexed as

Neoplastic Cells, CirculatingSingle-Cell AnalysisCell Line, TumorElectrophoresisHumans

Identifiers

PMID26107884
PMCPMC4480363

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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.