Evidence map›Paper›PMID 26444270›Full record

ArticleJournal of experimental & clinical cancer research : CR2015

Inhibition of oleandrin on the proliferation show and invasion of osteosarcoma cells in vitro by suppressing Wnt/β-catenin signaling pathway.

Yunlong Ma, Bin Zhu, Xiaoguang Liu, Huilei Yu, Lei Yong, Xiao Liu, Jia Shao, Zhongjun Liu

Open access · goldAbstract read
In one paragraph

Article in Journal of experimental & clinical cancer research : CR, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 37 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
37citing papers in PubMed, 2 pooled it
3.5field-weighted citation impact, top 7% 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

37 citing papers in PubMed, 2 syntheses or guidelines pooled it, 56 citations in OpenAlex.

  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

8 authors at 2 institutions in 1 country.

Yunlong MaDepartment of Orthopaedics, Peking University Third Hospital, North Garden Street No. 49, Haidian District, Beijing, 100191, People's Republic of China. mayl_pth2012@163.com.
Bin ZhuDepartment of Orthopaedics, Peking University Third Hospital, North Garden Street No. 49, Haidian District, Beijing, 100191, People's Republic of China. zhubin_ortho@163.com.
Xiaoguang LiuDepartment of Orthopaedics, Peking University Third Hospital, North Garden Street No. 49, Haidian District, Beijing, 100191, People's Republic of China. xgliudoctor@163.com.
Huilei YuDepartment of Orthopaedics, Peking University Third Hospital, North Garden Street No. 49, Haidian District, Beijing, 100191, People's Republic of China. yuhuileiah@126.com.
Lei YongDepartment of Orthopaedics, Peking University Third Hospital, North Garden Street No. 49, Haidian District, Beijing, 100191, People's Republic of China. eathonecho@163.com.
Xiao LiuDepartment of Orthopaedics, Peking University Third Hospital, North Garden Street No. 49, Haidian District, Beijing, 100191, People's Republic of China. lx86831@163.com.
Jia ShaoDepartment of Orthopaedics, Peking University Third Hospital, North Garden Street No. 49, Haidian District, Beijing, 100191, People's Republic of China. shaojia2001@163.com.
Zhongjun LiuDepartment of Orthopaedics, Peking University Third Hospital, North Garden Street No. 49, Haidian District, Beijing, 100191, People's Republic of China. zhongjunliu1@163.com.
Peking University · CNPeking University Third Hospital · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundOsteosarcoma (OS) is a high-grade bone sarcoma with early metastasis potential, and the clinical chemotherapy drugs that are currently used for its treatment have some limitations. Recently, several studies have reported the selective antitumor effect of oleandrin on various tumor cells. In this study, we aimed to evaluate the effects and underlying mechanisms of oleandrin on OS cells.

methodsThe effect of oleandrin on the proliferation, morphology, and apoptosis of U2OS and SaOS-2 cells were analyzed in vitro. The activity of the Wnt/β-catenin signaling pathway was determined using a dual luciferase assay. Semi-quantitative RT-PCR and western blot assays were performed to evaluate the mRNA and total protein expression of the downstream target genes. Changes of β-catenin in intracellular localization were also explored using a western blot after separating the nucleus and cytoplasm proteins. The MMP-2 and MMP-9 enzymatic activities were determined using gelatin zymography.

resultsOleandrin significantly inhibited the proliferation and invasion of OS cells in vitro, and induced their apoptosis. After treatment with oleandrin, the TOP/FOP flash ratio in OS cells was noticeably decreased, which indicated that the Wnt/β-catenin signaling pathway was repressed. The expression of related Wnt target genes and total β-catenin was downregulated, and a reduced nuclear β-catenin level by oleandrin was observed as well. In addition, oleandrin suppressed the activities of MMP-2 and MMP-9.

conclusionsOleandrin, in vitro, exerted a strong antitumor effect on human OS cells by suppressing the Wnt/β-catenin signaling pathway, which interfered with the proliferation and invasion of OS cells, as well as induced cells apoptosis. Moreover, the expression and activities of MMP-2 and MMP-9 were downregulated by oleandrin, which contributed to the cells' lower invasiveness.

Indexed as

Antineoplastic AgentsApoptosisbeta CateninBone NeoplasmsCardenolidesCell Line, TumorCell ProliferationGene Expression Regulation, NeoplasticHumansMatrix Metalloproteinase 2Matrix Metalloproteinase 9Neoplasm InvasivenessOsteosarcomaReverse Transcriptase Polymerase Chain ReactionRNA, MessengerWnt ProteinsAntineoplastic Agentsbeta CateninCardenolidesMatrix Metalloproteinase 2Matrix Metalloproteinase 9MMP2 protein, humanMMP9 protein, humanoleandrinRNA, MessengerWnt Proteins

Identifiers

PMID26444270
PMCPMC4596494
OpenAlexW2158539290

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.