2017
DOI: 10.1371/journal.pone.0175071
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Assessing gene-environment interaction effects of FTO, MC4R and lifestyle factors on obesity using an extreme phenotype sampling design: Results from the HUNT study

Abstract: BackgroundOur aim was to assess the influence of age, gender and lifestyle factors on the effect of the obesity-promoting alleles of FTO and MCR4.MethodsThe HUNT study comprises health information on the population of Nord-Trøndelag county, Norway. Extreme phenotype participants (gender-wise lower and upper quartiles of waist-hip-ratio and BMI ≥ 35 kg/m2) in the third survey, HUNT3 (2006–08), were genotyped for the single-nucleotide polymorphisms rs9939609 (FTO) and rs17782313 (MC4R); 25686 participants were s… Show more

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Cited by 31 publications
(42 citation statements)
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“…Using the cFDR approach in combination with StructLMM, we detected 16 replicating loci (only five of which were identified and validated with a conventional two stage design) with evidence of G×E effects on BMI. Two (FTO and MC4R), had been previously established 5,7,9,10,15,36 , and were also detected when applying genome-wide FDR or twostep filtering approaches. In addition, for the first time we demonstrate evidence of G×E effects on BMI, in EFR3B, LINC7C and UNC79, replicating loci overlapping between cFDR and two-step filtering approaches.…”
Section: Discussionmentioning
confidence: 94%
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“…Using the cFDR approach in combination with StructLMM, we detected 16 replicating loci (only five of which were identified and validated with a conventional two stage design) with evidence of G×E effects on BMI. Two (FTO and MC4R), had been previously established 5,7,9,10,15,36 , and were also detected when applying genome-wide FDR or twostep filtering approaches. In addition, for the first time we demonstrate evidence of G×E effects on BMI, in EFR3B, LINC7C and UNC79, replicating loci overlapping between cFDR and two-step filtering approaches.…”
Section: Discussionmentioning
confidence: 94%
“…Whilst G×E effects have already been identified for different traits, including body mass index (BMI) and obesity [3][4][5][6][7][8][9][10][11][12][13][14][15] , the number of robustly detected G×E effects remains small 2 .…”
mentioning
confidence: 99%
“…3). Например, характер ассоциаций полимор-фных вариантов гена FTO с риском развития ожирения у детей различался в зависимости от уровня потребления ими витамина D, у взрослых -от уровня их физической активности, количества потребления напитков с искус-ственными подсластителями и от числа выкуриваемых сигарет; эффект полиморфных вариантов этого же гена на риск развития сахарного диабета 2-го типа у взро-слых зависел от типа диеты, которой они придержива-лись (средиземноморская диета, уровень потребления клетчатки, жира) [32,48,49]. Особенности диеты ока-зывали влияние и на ассоциации полиморфных вариан-тов других генов, для которых установлены ассоциации с метаболическим синдромом, уровнем липидных показа-телей (см.…”
Section: средовые факторы модифицирующие эффекты полиморфных вариантunclassified
“…Для мужчин и женщин с од-ними и теми же генотипами по rs9939609 гена FTO пока-зана разнонаправленная динамика изменения риска раз-вития ожирение в зависимости от числа выкуриваемых сигарет [32]. Это свидетельствует о том, что не только экзогенные, но и некоторые эндогенные факторы (гор-мональный фон, обменные процессы, сопутствующие заболевания и др.)…”
Section: средовые факторы модифицирующие эффекты полиморфных вариантunclassified
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