Evidence map›Paper›PMID 27613840›Full record

ArticleOncotarget2016

Comparative profiling between primary colorectal carcinomas and metastases identifies heterogeneity on drug resistance.

Feng Luo, Jinbang Li, Shigang Wu, Xuefang Wu, Meixiang Chen, Xueyun Zhong, Kunping Liu

Abstract readComparative Study
In one paragraph

Article in Oncotarget, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
17citing papers in PubMed, 1 pooled it
–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

17 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
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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.

Feng LuoDepartment of Pathology, Qingyuan People's Hospital, Jinan University, Qingyuan 511518, China.
Jinbang LiDepartment of Pathology, Qingyuan People's Hospital, Jinan University, Qingyuan 511518, China.
Shigang WuDepartment of Pathology, Qingyuan People's Hospital, Jinan University, Qingyuan 511518, China.
Xuefang WuDepartment of Pathology, Qingyuan People's Hospital, Jinan University, Qingyuan 511518, China.
Meixiang ChenDepartment of Pathology, Qingyuan People's Hospital, Jinan University, Qingyuan 511518, China.
Xueyun ZhongDepartment of Pathology, Medical College, Jinan University, Guangzhou 510632, China.
Kunping LiuDepartment of Pathology, Qingyuan People's Hospital, Jinan University, Qingyuan 511518, China.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Metastases cause recurrence and mortality for patients with colorectal carcinomas (CRC). In present study, we evaluated heterogeneity on drug resistance and its underlying mechanism between metastatic and primary CRC. Immunohistochemical results from clinical tissue microarray (TMA) suggested that the expression concordance rates of cancer stem cells (CSCs) and drug resistance relative proteins between lymph-node metastatic and primary CRC foci were low. The apoptotic and proliferation indexes in metastasis CRC specimens were decreased compared with primary. In vitro experimental results indicated that the migration and invasion abilities were upregulated in metastatic cells SW620 compared with primary cells SW480, the cellular efflux ability and WNT/β-catenin activity were also upregulated in SW620 cells. After 5-fluorouracil (5-Fu) treatment, the reduction in the proportion of cell apoptosis, CD133 and TERT expression levels in SW620 were lower than that in SW480 cells. Bioinformatics analysis in whole-genome transcriptional profiling results between metastatic and primary CRC cells suggested that differentially expressed genes were mainly centered on well-characterized signaling pathways including WNT/β-catenin, cell cycle and cell junction. Collectively, heterogeneity of drug resistant was present between metastatic and primary CRC specimens and cell lines, the abnormal activation of WNT/β-catenin signaling pathway could be a potential molecular leading to drug resistant ability enhancing in metastatic CRC cells.

Indexed as

Drug Resistance, NeoplasmGene Expression ProfilingGene Expression Regulation, NeoplasticAC133 AntigenAdultAgedAged, 80 and overApoptosisbeta CateninCell Line, TumorCell MovementColorectal NeoplasmsFemaleHumansImmunohistochemistryLymphatic MetastasisAC133 Antigenbeta CateninCTNNB1 protein, humanPROM1 protein, humanTelomeraseTERT protein, humancancer stem cellscolorectal cancerdrug resistanceEMTWNT signaling pathway

Identifiers

PMID27613840
PMCPMC5325415

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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.