Formalising recall by genotype as an efficient approach to detailed phenotyping and causal inference.

Formalising recall by genotype as an efficient approach to detailed phenotyping and causal inference.
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DOI:
10.1038/s41467-018-03109-y
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发表时间:
2018-02-19
影响因子:
16.6
通讯作者:
Timpson NJ
Timpson NJ
中科院分区:
综合性期刊1区
文献类型:
--
作者:
Corbin LJ;Tan VY;Hughes DA;Wade KH;Paul DS;Tansey KE;Butcher F;Dudbridge F;Howson JM;Jallow MW;John C;Kingston N;Lindgren CM;O'Donavan M;O'Rahilly S;Owen MJ;Palmer CNA;Pearson ER;Scott RA;van Heel DA;Whittaker J;Frayling T;Tobin MD;Wain LV;Smith GD;Evans DM;Karpe F;McCarthy MI;Danesh J;Franks PW;Timpson NJ

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Detailed phenotyping is required to deepen our understanding of the biological mechanisms behind genetic associations. In addition, the impact of potentially modifiable risk factors on disease requires analytical frameworks that allow causal inference. Here, we discuss the characteristics of Recall-by-Genotype (RbG) as a study design aimed at addressing both these needs. We describe two broad scenarios for the application of RbG: studies using single variants and those using multiple variants. We consider the efficacy and practicality of the RbG approach, provide a catalogue of UK-based resources for such studies and present an online RbG study planner. Recall-by-Genotype (RbG) is an approach to recall participants from genetic studies based on their specific genotype for further, more extensive phenotyping. Here, the authors discuss examples of RbG as well as practical and ethical considerations and provide an online tool to aid in designing RbG studies.
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