Evidence map›Paper›PMID 28103869›Full record

ArticleBMC complementary and alternative medicine2017

Sinularin induces DNA damage, G2/M phase arrest, and apoptosis in human hepatocellular carcinoma cells.

Ting-Wen Chung, Shih-Chao Lin, Jui-Hsin Su, Yu-Kuo Chen, Chi-Chien Lin, Hong-Lin Chan

Open access · goldAbstract read
In one paragraph

Article in BMC complementary and alternative medicine, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers.

0numbers the graph read from it
0cells of the map it votes in
27citing papers in PubMed
4.4field-weighted citation impact, top 6% 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

27 citing papers in PubMed, 54 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

6 authors at 5 institutions in 2 countries.

Ting-Wen ChungInstitute of Bioinformatics and Structural Biology and Department of Medical Sciences, National Tsing Hua University, Hsinchu, Taiwan.
Shih-Chao LinPh.D. Program in Medical Biotechnology, National Chung Hsing University, Taichung, Taiwan.
Jui-Hsin SuTaiwan Coral Research Center, National Museum of Marine Biology & Aquarium, Pingtung, Taiwan.
Yu-Kuo ChenDepartment of Food Science, National Pingtung University of Science and Technology, Pingtung, Taiwan.
Chi-Chien LinInstitute of Biomedical Science, National Chung-Hsing University, Taichung, Taiwan. evanlinncku@gmail.com.
Hong-Lin ChanInstitute of Bioinformatics and Structural Biology and Department of Medical Sciences, National Tsing Hua University, Hsinchu, Taiwan. hlchan@life.nthu.edu.tw.
National Tsing Hua University · TWHarrison Medical Center · USNational Chung Hsing University · TWNational Museum of Marine Biology and Aquarium · TWNational Pingtung University of Science and Technology · TW

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundSinularin isolated from the cultured soft coral Sinularia flexibilis has been reported to exert potent cytotoxic effects against particular types of cancer. This study was carried out to investigate the cytotoxic effects in sinularin-treated human hepatocellular carcinoma cells, HepG2, and to subsequently explore the underlying molecular mechanisms.

methodsTheMTT (3-[4,5-dimethylthiazol-2-yl]-2, 5-diphenyl- tetrazolium bromide) method was used to evaluate the cytotoxicity of sinularin on HepG2 and Hep3B cell lines. Furthermore, the cell cycle distribution assay, apoptosis assay, and western blot analysis in vitro were used to explore the possible mechanisms of action.

resultsFrom the results of our study, cell viability was obviously inhibited by sinularin in a dose-dependent manner. In addition, our results suggested that sinularin triggered DNA damage and subsequently induced cell cycle G2/M arrest associated with up-regulation of p-ATM (Ser(1981)), p-Chk2 (Tyr(68)), p-cdc2 (Tyr(15)), and p53 coupled with increased expression of downstream proteins p21 and down-regulation of p-cdc25 (Ser(216)). Moreover, the results of the apoptosis assay and western blot analysis indicated that the cytotoxic activity could be related to mitochondrial apoptosis, characterized by decrease of Bcl-2 expression, disruption of mitochondrial membrane potential, and sequential activation of caspases and Poly (ADP-ribose) polymerase (PARP).

conclusionsThis study reveals for the first time the anti-HCC activities of sinularin, the active compound isolated from the cultured soft coral Sinularia flexibilis. We believe that our results warrant further evaluation of sinularin as a new anti-HCC chemotherapeutic agent.

Indexed as

Antineoplastic AgentsApoptosisCarcinoma, HepatocellularCell CycleCell DivisionCell SurvivalDiterpenesDNA DamageG2 PhaseHep G2 CellsHeterocyclic Compounds, 3-RingHumansLiver NeoplasmsMembrane Potential, MitochondrialAntineoplastic AgentsDiterpenesHeterocyclic Compounds, 3-RingsinularinApoptosisDNA damageG2/MHepatocellular carcinomaSinularia flexibilisSinularin

Identifiers

PMID28103869
PMCPMC5248443
OpenAlexW2579307322

What OpenQuestion holds

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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.