| Title: | Exploring Diet/Lifestyle factors as causes and modifiers of genetic determinants of obesity and metabolic traits |
| Lead Institution: | Policlinique Médicale Universitaire de Lausanne |
| Principal investigator: | Dr Zoltan Kutalik |
Application 16389
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About
We would like to investigate how environmental factors (e.g. (reported) dietary intake and essential lifestyle factors) correlate with obesity/metabolic trait. We will establish which factors are causes and which are consequences of obesity (i.e. preventive measures) through Mendelian randomisation. Moreover we'd explore which of these environmental factors modify the effect of the genetic risk score on obesity/metabolic traits. The research aims at better understanding of obesity genetics and identify modifiable lifestyle factors causally influencing obesity and other metabolic traits We will apply statistical methods to explore the causal effect of obesity/metabolic traits on environment and visa versa. These methods require genetic data and lifestyle information.This will inform us which modifiable environmental factor are more likely causes/consequences of obesity. Furthermore, we'll identify which of these factors modify association strength between body-mass-index associated SNPs and obesity. We need the entire cohort for this analysis as lifestyle and dietary factors are self reported, thus less reliable. In addition, since individual genetic variants have small impact on these lifestyle factors, we have to maximise the sample size to ensure robust estimates.11 Publications
Enabling scientific discoveries that improve human health