Aging Clinical Trial
Official title:
Westlake Nutrition and Brain Health Study
Westlake Nutrition and Brain Study (WEBRAIN) is a sub-study of the Guangzhou Nutrition and Health Study, a prospective cohort among participants living in Guangzhou city. The aim of the WEBRAIN is to investigate the relationship between diet, gut microbiome and brain health in the elderly individuals via deep phenotyping the participants including continuous blood glucose monitoring for standard test meal, objective physical activity measurement and brain magnetic resonance imaging.
The gut-brain axis has been considered a possible cause of neurodegenerative diseases via various mechanisms, and diet/nutrition has been linked to both gut and brain health. However, majority of related evidence derived from animal models or human study of small scale. In the WEBRAIN, we aim to investigate the relationship between diet, gut microbiome and brain structure and function in a large human cohort study via deep phenotyping the participants: 1) objective measurement of physical activity using accelerometers over 2 weeks; 2) continuous blood glucose monitoring over 2 weeks, with two standard test meal during the 2 weeks, and traditional diet assessment with FFQ and 24h recalls; 3) measurement of cognitive function and brain images with the Addenbrooke's Cognitive Examination-Revised (ACE-R) and brain MRI; and 4) measurement of gut microbiome using metagenome and 16S rRNA sequencing techniques. ;
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