Journal
EUROPEAN JOURNAL OF EPIDEMIOLOGY
Volume 36, Issue 1, Pages 103-116Publisher
SPRINGER
DOI: 10.1007/s10654-020-00695-4
Keywords
Cardio metabolic; Diet; Family; Microbiota; Offspring; Vascular
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Funding
- Lund University
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This study aims to explore the clustering tendencies of cardio metabolic diseases within families and search for missing heritability to better explain this phenomenon. It focuses on shared lifestyle in families, gene-environment interactions, and diet-microbiota associations. By collecting and analyzing data across three generations, it seeks to enhance our understanding of the role of family traits in chronic diseases and their underlying mechanisms.
As cardio metabolic disease manifestations tend to cluster in families there is a need to better understand the underlying mechanisms in order to further develop preventive strategies. In fact, genetic markers used in genetic risk scores, important as they are, will not be able alone to explain these family clusters. Therefore, the search goes on for the so called missing heritability to better explain these associations. Shared lifestyle and social conditions in families, but also early life influences may be of importance. Gene-environmental interactions should be explored. In recent years interest has grown for the role of diet-microbiota associations, as microbiota patterns may be shared by family members. In the Malmo Offspring Study that started in 2013, we have so far been able to examine about 4700 subjects (18-71 years) representing children and grandchildren of index subjects from the first generation, examined in the Malmo Diet Cancer Study during 1991 to 1996. This will provide rich data and opportunities to analyse family traits of chronic disease across three generations. We will provide extensive genotyping and phenotyping including cardiovascular and respiratory function, as well as markers of glucose metabolism. In addition, also cognitive function will be assessed. A 4-day online dietary recall will be conducted and gut as well as oral microbiota analysed. The ambition is to provide one of the first large-scale European family studies with individual data across three generations, which could deepen our knowledge about the role of family traits for chronic disease and its underlying mechanisms.
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