deCODE scientists have discovered new genetic variants influencing BMI, weight and risk of obesity
As we all know to well, for decades the scales have been tipping in favor of obesity. The epidemic of obesity in many industrialized countries has been driven by many factors, including easy access to fast food, an increasingly sedentary lifestyle, insufficient daily physical activity. All of this while our genomes have evolved on a background of scarcity, often putting a premium on the ability of the body to turn food into fat and store energy for leaner times. A paper published today by deCODE scientists and academic colleagues from the US and Europe provide a significant advance in our knowledge of the underlying genetics and biology of obesity, providing new information for understanding and addressing obesity and perhaps nudging the scales the other way.
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Crown Prince Frederik of Denmark and Crown Princess Marie of Denmark along with deCODE scientist Unnur Thorsteinsdottir during an official visit to deCODE laboratories earlier this year.
Reykjavik, ICELAND, December 8, 2008 – deCODE genetics (Nasdaq:DCGN) today announced the discovery by an international consortium of scientists from deCODE and major European and US academic institutions of a single letter variation in the human genome (SNP) that is associated with increased fasting glucose levels and risk of type 2 diabetes (T2D). deCODE will employ its CLIA-registered genotyping laboratory and existing testing platform to swiftly integrate the finding into its deCODEme™ personal genome scan, and to assess the addition of this new variant to the company’s deCODE T2™ reference laboratory test for assessing individual risk of type 2 diabetes.
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Here are a few thoughts on Nic Fleming’s piece on personal genome scans, of which one was our own, deCODEme:
Our genomes are all remarkably similar. And so it is the differences that are most interesting and important, and that make us who we are.
The same can be said of genetic testing services. We at deCODE were not at all surprised that Mr. Fleming found that he got some varying results from the three genome scans that he tried. Indeed we would be surprised (and more than a little dismayed) if he hadn’t. Analyzing the genome - accurately detecting which genetic markers individuals have at specific points in the genome, and correlating these variations with risk of a range of common diseases - has been our bread and butter for well over a decade. Read More »
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On Sunday, August 17, deCODE published a new statistical method for increasing the information that can be derived from high-density genotyping, leveraging the genotypic data the company has already generated
on tens of thousands of participants in its gene discovery programs. In the above video, CEO Kari Stefansson, the company’s head statistician Augustine Kong, and Chief of Communications Edward Farmer talk about how this method works and why it may help deCODE to find rarer variants conferring risk of common diseases.
Link: Read abstract in Nature Genetics
deCODE and SGENE Consortium Discover Deletions in the Human Genome Linked to Risk of Schizophrenia
Findings may provide the foundation for a test to complement standard clinical diagnosis, potentially enabling earlier intervention and treatment
A team of scientists led by deCODE genetics has discovered evidence of three rare deletions in the human genome that confer a greater risk of schizophrenia. This discovery shows that individuals who have one of these deletions may be up to 15 times more likely to develop schizophrenia than the population at large. See “Large recurrent microdeletions associated with schizophrenia” which appeared this afternoon in Nature (www.nature.com)
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The second part of NBC Nightly News coverage of deCODE genetics and the genetic research conducted with the help of the Icelandic nation. Bazell continues to look at the company he sees as being at the cutting edge of genetic research.
A look at deCODE, the biotech company in Iceland that is researching genes for common conditions like heart disease, stroke and cancer. Sue Herera interviews NBC’s Robert Bazell on his coverage of deCODE and discusses the scientific, pharmacological and commercial implications of genetic testing.
Originally broadcast July 22, 2008.
Link: Watch the interview.
Scientists from deCODE genetics today report the discovery of two common single-letter variants (SNPs) associated with risk of estrogen receptor-positive (ER+) breast cancer. More than 60% of the general population carry at least one copy of the risk variant of the most important SNP, and women who have inherited the variant from both parents are at approximately 50% greater risk of developing ER+ breast cancer than women who have not inherited the variant. The second variant is located near the first and occurs only in tandem with it, adding slight risk of the disease. Although these variants confer modest risk, they are so common that they are estimated to account for approximately 11% of breast cancers overall.
With this latest discovery, the genetic factors underpinning a very significant proportion of inherited risk of ER+ breast cancer have now been elucidated. Common variants previously discovered by deCODE are together involved in an estimated 25% of ER+ breast cancers.
deCODE made today’s discovery through the analysis of genotypic data from a total of nearly 40,000 patients and control subjects from five countries. deCODE gratefully acknowledges the participation of the patients and researchers who took part in this study.
Link: Read the paper, ‘Common variants on chromosome 5p12 confer susceptibility to estrogen receptor-positive breast cancer’, in Nature Genetics
| Tags: BMI, Body Mass Index, deCODE genetics, deCODEme, Genetic Research, obesity. 
