Evidence map›Paper›PMID 28467816›Full record

ArticleOncotarget2017

Prediction of the aquatic toxicity of aromatic compounds to tetrahymena pyriformis through support vector regression.

Qiang Su, Wencong Lu, Dongshu Du, Fuxue Chen, Bing Niu, Kuo-Chen Chou

Abstract read
In one paragraph

Article in Oncotarget, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.

0numbers the graph read from it
0cells of the map it votes in
11citing 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

11 citing papers in PubMed.

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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.

Qiang SuCollege of Life Science, Shanghai University, Shanghai 200444, China.
Wencong LuDepartment of Chemistry, College of Sciences, Shanghai University, Shanghai 200444, China.
Dongshu DuCollege of Life Science, Shanghai University, Shanghai 200444, China.
Fuxue ChenCollege of Life Science, Shanghai University, Shanghai 200444, China.
Bing NiuCollege of Life Science, Shanghai University, Shanghai 200444, China.
Kuo-Chen ChouGordon Life Science Institute, Boston, MA 02478, USA.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Toxicity evaluation is an extremely important process during drug development. It is usually initiated by experiments on animals, which is time-consuming and costly. To speed up such a process, a quantitative structure-activity relationship (QSAR) study was performed to develop a computational model for correlating the structures of 581 aromatic compounds with their aquatic toxicity to tetrahymena pyriformis. A set of 68 molecular descriptors derived solely from the structures of the aromatic compounds were calculated based on Gaussian 03, HyperChem 7.5, and TSAR V3.3. A comprehensive feature selection method, minimum Redundancy Maximum Relevance (mRMR)-genetic algorithm (GA)-support vector regression (SVR) method, was applied to select the best descriptor subset in QSAR analysis. The SVR method was employed to model the toxicity potency from a training set of 500 compounds. Five-fold cross-validation method was used to optimize the parameters of SVR model. The new SVR model was tested on an independent dataset of 81 compounds. Both high internal consistent and external predictive rates were obtained, indicating the SVR model is very promising to become an effective tool for fast detecting the toxicity.

Indexed as

Quantitative Structure-Activity RelationshipSupport Vector MachineToxicity TestsAlgorithmsHydrocarbons, AromaticReproducibility of ResultsTetrahymena pyriformisHydrocarbons, Aromaticaromatic compoundsgenetic algorithmmRMRQSARtetrahymena pyriformis

Identifiers

PMID28467816
PMCPMC5564774

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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.