Evidence map›Paper›PMID 29568101›Full record

ArticleInternational journal of obesity (2005)2019

CYP2A6 is associated with obesity: studies in human samples and a high fat diet mouse model.

Kesheng Wang, Xue Chen, Stephen C Ward, Ying Liu, Youssoufou Ouedraogo, Chun Xu, Arthur I Cederbaum, Yongke Lu

Abstract read
In one paragraph

Article in International journal of obesity (2005), 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.

0numbers the graph read from it
0cells of the map it votes in
10citing papers in PubMed
0.8field-weighted citation impact, top 27% 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

10 citing papers in PubMed, 17 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 3 institutions in 1 country.

Kesheng WangDepartment of Biostatistics and Epidemiology, College of Public Health, East Tennessee State University, Johnson City, TN, USA.
Xue ChenDepartment of Health Sciences, College of Public Health, East Tennessee State University, Johnson City, TN, USA.
Stephen C WardDepartment of Pathology, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA.
Ying LiuDepartment of Biostatistics and Epidemiology, College of Public Health, East Tennessee State University, Johnson City, TN, USA.
Youssoufou OuedraogoDepartment of Biostatistics and Epidemiology, College of Public Health, East Tennessee State University, Johnson City, TN, USA.
Chun XuDepartment of Health and Biomedical Sciences, College of Health Affairs, University of Texas Rio Grande Valley, Brownsville, TX, 78520, USA.
Arthur I CederbaumDepartment of Pharmacological Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA.
Yongke LuDepartment of Health Sciences, College of Public Health, East Tennessee State University, Johnson City, TN, USA. luy004@etsu.edu.
East Tennessee State University · USIcahn School of Medicine at Mount Sinai · USHealth Affairs · US

Funding

Subject CollectionU10AA008401 · NIAAA · SUNY DOWNSTATE MEDICAL CENTER · PI JESSICA E SALVATORE · 1989 to 2026
$162.7M
JH/CIDR Genotyping for Genome-Wide Association StudiesU01HG004438 · NHGRI · JOHNS HOPKINS UNIVERSITY · PI VALLE, DAVID · 2007 to 2011
$24.2M
The Collaborative Genetic Study of Nicotine DependenceP01CA089392 · NCI · WASHINGTON UNIVERSITY · PI BIERUT, LAURA J. · 2001 to 2012
$17.3M
Genome Wide Association Coordinating CenterU01HG004446 · NHGRI · UNIVERSITY OF WASHINGTON · PI WEIR, BRUCE S. · 2007 to 2011
$6.6M
FAMILY STUDY OF COCAINE DEPENDENCER01DA013423 · NIDA · WASHINGTON UNIVERSITY · PI BIERUT, LAURA JEAN · 2000 to 2004
$2.2M
Nicotine and Alcoholic Liver DiseaseR01AA024723 · NIAAA · MARSHALL UNIVERSITY · PI LU, YONGKE · 2016 to 2020
$1.8M
Study of Addiction: Genetics and EnvironmentU01HG004422 · NHGRI · WASHINGTON UNIVERSITY · PI BIERUT, LAURA J. · 2007 to 2010
$1.2M
NCI NIH HHS P01 CA089392NHGRI NIH HHS U01 HG004422NHGRI NIH HHS U01 HG004438NHGRI NIH HHS U01 HG004446NIAAA NIH HHS R01 AA024723NIAAA NIH HHS U10 AA008401NIDA NIH HHS R01 DA013423
6 · The paper itself

Abstract

BACKGROUND/

objectivesCYP2A6 (CYP2A5 in mice) is mainly expressed in the liver. Hepatic CYP2A6 expression is increased in patients with non-alcoholic fatty liver disease (NAFLD). In mice, hepatic CYP2A5 is induced by high fat diet (HFD) feeding. Hepatic CYP2A5 is also increased in monosodium glutamate-induced obese mice. NAFLD is associated with obesity. In this study, we examined whether obesity is related to CYP2A6. SUBJECTS/

methodsObesity genetic association study: The SAGE is a comprehensive genome-wide association study (GWAS) with case subjects having a lifetime history of alcohol dependence and control subjects never addicted to alcohol. We used 1030 control individuals with self-reported height and weight. A total of 12 single nucleotide polymorphisms (SNP) within the CYP2A6 gene were available. Obesity was determined as a BMI ≥30: 30-34.9 (Class I obesity) and ≥35 (Class II and III obesity). Animal experiment study: CYP2A5 knockout (cyp2a5

resultsSingle marker analysis showed that three SNPs (rs8192729, rs7256108, and rs7255443) were associated with class I obesity (p < 0.05). The most significant SNP for obesity was rs8192729 (odds ratio (OR) = 1.94, 95% confidence intervals = 1.21-3.10, p = 0.00582). After HFD feeding, body weight was increased in cyp2a5

conclusionCYP2A6 is associated with human obesity; CYP2A5 protects against obesity and NAFLD in mice. PPARα contributes to the CYP2A5 protective effects on fatty liver but it opposes to the protective effects on obesity.

Indexed as

Cytochrome P-450 CYP2A6Genome-Wide Association StudyObesityAnimalsDiet, High-FatFemaleHumansLiverMaleMiceMice, KnockoutMice, ObeseNon-alcoholic Fatty Liver DiseasePolymorphism, Single NucleotideCYP2A6 protein, humanCytochrome P-450 CYP2A6

Identifiers

PMID29568101
PMCPMC6102101
OpenAlexW2792371929

What OpenQuestion holds

Textmetadata
LicenceTDM
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.