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Effects of sex on metabolic homeostasis in old age (360G-Wellcome-206777_Z_17_Z)

The main aim of our research is to determine the differences in the lifespan and physiology of male and female Drosophila melanogaster in response to increased levels of sugar (sucrose) in the diet. Current human diets are detrimental to health and obesogenic. The health outcomes are dependent on the sex of the individual, however the molecular and physiological mechanisms are not understood. The results of our study will help establish a Drosophila model that can be used to understand how nutrition and sex interact, which might contribute to a healthier lifestyle choices in humans leading to healthy ageing. The effects of diet on lifespan and diet-induced obesity of the two sexes will be recorded, as well as the feeding behaviour using the proboscis extension assay and blue-food assay. Gut morphology/function will also be examined since the gut appears to underlie the different response of the sexes to increased dietary protein. In particular, we will focus on age-induced hyperplasia by determining the number of proliferating cells (stained with anti-phospho-Histone 3). We will also monitor gut function by assessing the leakiness of the gut using a blue food. Finally, statistical analysis using suitable regression models will be performed in R.

£0

31 May 2018

Grant details
Amount Awarded 0
Applicant Surname Gregoriou
Approval Committee Internal Decision Panel
Award Date 2018-05-31T00:00:00+00:00
Financial Year 2017/18
Grant Programme: Title Vacation Scholarships
Internal ID 206777/Z/17/Z
Lead Applicant Miss Afroditi Gregoriou
Planned Dates: End Date 2017-07-31T00:00:00+00:00
Planned Dates: Start Date 2017-06-01T00:00:00+00:00
Recipient Org: Country United Kingdom
Region Greater London
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