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Feb 2017 The Endocrine Society have just issued new Clinical Practice Guidelines advising healthcare professionals on how to assess, prevent and treat childhood obesity.

 

Jan 2017 Professor Farooqi spoke to Jim Al-Khalili on BBC Radio Four's The Life Scientific. You can listen to the interview here.

 

What have we discovered ?

 

In 1997, we identified the first patients with a problem in a gene that caused their severe obesity. The condition was called “congenital leptin deficiency” and the gene that was faulty in these patients was the leptin gene. Leptin is a hormone that is produced by fat cells and it works by telling the brain that we are no longer hungry. If this gene is not working, people always feel hungry and do not know when to stop eating. Because this gene was a hormone (like insulin), we were able to replace the hormone with injections. We have successfully treated a number of patients with this condition and continue to see patients from around the world for this treatment.

 
Following this discovery, we established the Genetics of Obesity Study (GOOS) to see if there were other children with the same or similar genetic conditions. To date, with the help of many doctors around the world, we have recruited 6500 patients. We use a number of approaches to find genes involved in weight. We have identified 12 different gene disorders that can cause severe obesity in childhood. These genes work in the brain to control key pathways that are triggered by the hormone leptin and are involved in appetite and metabolism (how your body handles the calories you eat).

 
We want to learn as much as possible about the genes and how they work. This often involves work in the laboratory to understand in great detail how a gene impacts on our cells. To translate this scientific work to benefit patients, we also undertake studies in patients and volunteers where we aim to discover how a faulty gene impacts on the body. Our work is highly collaborative, involving internationally-leading researchers in Universities, Institutes and Companies around the world.

 

We recognise that to develop targeted treatments to benefit patients, we need to recruit and develop the best researchers (meet the team), who can harness cutting edge technologies to ask important scientific questions.