Evidence map›Paper›PMID 30637603›Full record

ArticleClinical rheumatology2019

Investigation of the relationships between knee osteoarthritis and obesity via untargeted metabolomics analysis.

Onur Senol, Gulsah Gundogdu, Koksal Gundogdu, Fatma Demirkaya Miloglu

Erratum issuedAbstract read
PubMed Publisher
In one paragraph

Article in Clinical rheumatology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 25 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
25citing papers in PubMed, 1 pooled it
4.2field-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

25 citing papers in PubMed, 1 synthesis or guideline pooled it, 49 citations in OpenAlex.

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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

4 authors at 2 institutions in 1 country.

Onur SenolAnalytical Chemistry Department, Faculty of Pharmacy, Atatürk University, Erzurum, Turkey.
Gulsah GundogduDepartment of Physiology, Faculty of Medicine, Atatürk University, 25240, Erzurum, Turkey. gdemirkaya81@gmail.com.ORCID http://orcid.org/0000-0002-9924-5176
Koksal GundogduDepartment of Orthopedics and Traumatology, Erzurum Regional Training and Research Hospital, Erzurum, Turkey.
Fatma Demirkaya MilogluAnalytical Chemistry Department, Faculty of Pharmacy, Atatürk University, Erzurum, Turkey.
Atatürk University · TRErzurum Regional Training and Research Hospital · TR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectiveOsteoarthritis (OA), the most encountered arthritis form, result from degeneration of articular cartilage. Obesity is accepted as a significant risk factor for knee OA (KOA). In this study, it is aimed to determine the variation of metabolites between control and patients with KOA and observe the effect of obesity on KOA via untargeted metabolomics method.

methodsSerum samples of following groups were collected: patient group including 14 obesity (OKOA) and 14 non-obesity (NOKOA) (n = 28) and control group (n = 15) from orthopedics and traumatology policlinic. Serum proteins were denatured by acetonitrile and chromatographic separation of metabolites was achieved by LC/Q-TOF/MS/MS method. Data acquisition, classification, and identification were achieved by METLIN database. Cluster analysis was performed with MATLAB2017a-PLS Toolbox 7.2.

resultsObtained results showed that 244 (patient vs control) and 274 (OKOA vs NOKOA) m/z ratios were determined in accordance with LC/Q-TOF/MS/MS analysis. Multivariate data analysis was applied 41 and 36 m/z signal (p ≤ 0.01; fold analysis > 1.5) were filtered for patient vs control group and OKOA vs NOKOA, respectively. Twenty-one different metabolites were identified for patient vs control group and 15 metabolites were determined for OKOA vs NOKOA group.

conclusionAcid concentration and oxidative stress agents were high in inflammation group and their levels were much higher in obesity. It is claimed that obesity cause oxidative stress and acidosis in arthritis patients. Valine was found to be the only BCAA molecule whose concentration has significantly different in KOA patients. The relation between KOA and obesity was firstly investigated with metabolomics method.

Indexed as

MetabolomeAgedChromatography, LiquidCluster AnalysisDatabases, FactualFemaleHumansMaleMetabolomicsMiddle AgedMultivariate AnalysisObesityOsteoarthritis, KneeTandem Mass SpectrometryKnee osteoarthritisLC/Q-TOF/MS/MSUntargeted metabolomics

Identifiers

PMID30637603
OpenAlexW2909074844

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.