Genetic and metabolic determinants of spontaneous physical activity

Funding Activity

Website
http://purl.org/au-research/grants/nhmrc/114218

Funding Status
Closed

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Funded Activity Summary

It could be argued that obesity is the most significant public health problem facing Australians today. Almost one in five adult Australians are obese, making them highly susceptible to diabetes, coronary heart disease, high blood pressure, high blood lipid levels, and some cancers, as well as reduced psychosocial health. There is therefore an urgent need to reduce the prevalence of obesity in our society. Unfortunately, attempts to sustain significant weight loss by dieting and exercise are nearly always unsuccessful and none of the anti-obesity drugs currently on the market are safe to use long-term. Effective treatments for obesity are only likely to be developed once we understand more about what controls body weight regulation. An inactive lifestyle is clearly a risk factor for obesity. Spontaneous physical activity (or activity associated with daily life, as opposed to formal exercise) can play a major role in determining body weight. Recent work suggests that spontaneous physical activity is influenced not only by our environment but by our biological makeup as well (i.e. genetic and metabolic factors). The aim of this study is to investigate what some of these factors are, and whether they are responsible for altering body weight regulation in animal models of obesity. Specifically we will be looking at whether spontaneous physical activity is influenced by circulating hormones (such as leptin, oestrogen, and pancreatic polypeptide) and a messenger molecule (nitric oxide), and we will also identify genes which influence physical activity in a mouse model of obesity. By examining the genetic and metabolic basis of inactivity in obese rodent models, this project will further our understanding of how energy balance is disturbed in obesity in the hope of developing better therapies to treat obesity in the future.

Funded Activity Details

Start Date: 01-01-2000

End Date: 01-01-2000

Funding Scheme: NHMRC Project Grants

Funding Amount: $67,828.00

Funder: National Health and Medical Research Council

Research Topics

ANZSRC Field of Research (FoR)

Nutritional science

ANZSRC Socio-Economic Objective (SEO)

There are no SEO codes available for this funding activity

Other Keywords

Body weight regulation | Endocrine diseases | Genetic basis of obesity | Leptin | Menopause | Physical activity | Sex hormones | Weight disorders

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