Evidence map›Paper›PMID 26261505›Full record

ArticleInternational journal of clinical and experimental pathology2015

Enhanced expression of stem cell markers and drug resistance in sphere-forming non-small cell lung cancer cells.

Feng-Feng Sun, Yong-He Hu, Lv-Ping Xiong, Xiao-Yun Tu, Ji-Hua Zhao, Sheng-Song Chen, Juan Song, Xiao-Qun Ye

Open access · greenAbstract read
In one paragraph

Article in International journal of clinical and experimental pathology, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 32 papers.

0numbers the graph read from it
0cells of the map it votes in
32citing papers in PubMed
4.3field-weighted citation impact, top 4% 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

32 citing papers in PubMed, 51 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

8 authors at 2 institutions in 1 country.

Feng-Feng SunDepartment of Respiratory Diseases, The Second Affiliated Hospital of Nanchang University Nanchang 330006, China.
Yong-He HuThe General Hospital of Chengdu Military Region Chengdu 610083, Sichuan Province, China.
Lv-Ping XiongDepartment of Respiratory Diseases, The Second Affiliated Hospital of Nanchang University Nanchang 330006, China.
Xiao-Yun TuDepartment of Respiratory Diseases, The Second Affiliated Hospital of Nanchang University Nanchang 330006, China.
Ji-Hua ZhaoDepartment of Respiratory Diseases, The Second Affiliated Hospital of Nanchang University Nanchang 330006, China.
Sheng-Song ChenDepartment of Respiratory Diseases, The Second Affiliated Hospital of Nanchang University Nanchang 330006, China.
Juan SongDepartment of Respiratory Diseases, The Second Affiliated Hospital of Nanchang University Nanchang 330006, China.
Xiao-Qun YeDepartment of Respiratory Diseases, The Second Affiliated Hospital of Nanchang University Nanchang 330006, China.
Nanchang University · CNChengdu Military General Hospital · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

There is growing evidence suggesting that cancer stem cells (CSCs) are playing critical roles in tumor progression, metastasis and drug resistance. However, the role of CSCs in non-small cell lung cancer (NSCLC) remains elusive. In this study, we enriched for stem-like cells from tumor spheres derived from NSCLC cell line A549 cultured in serum-free medium. Our results showed that sphere-derived cells expressed various stem cell markers such as CD44, CD133, Sox2 and Oct4. Compared with the corresponding cells in monolayer cultures, sphere-derived cells showed marked morphologic changes and increased expression of the stem cell markers CD133. Furthermore, we found that sphere-derived cells exhibited increased proliferation, cell-cycle progression as well as drug-resistant properties as compared to A549 adherent cells. Consistently, expression of several drug resistance proteins, including lung resistance-related protein (LRP), glutathion-S-transferase-π (GST-π) and multidrug resistance proteins-1 (MRP1) were all significantly enhanced in sphere-derived cells. These results indicate the enrichment of CSCs in sphere cultures and support their role in regulating drug resistance in NSCLC.

Indexed as

Antineoplastic AgentsApoptosisBiomarkers, TumorBlotting, WesternCarcinoma, Non-Small-Cell LungCell Line, TumorCell ProliferationCell SurvivalDrug Resistance, NeoplasmFlow CytometryFluorescent Antibody TechniqueHumansLung NeoplasmsNeoplastic Stem CellsSpheroids, CellularAntineoplastic AgentsBiomarkers, TumorCancer stem cellCD133GST-πLRPMRP1multidrug resistance

Identifiers

PMID26261505
PMCPMC4525839
OpenAlexW2397393155

What OpenQuestion holds

Textmetadata
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.