Forum for Science, Industry and Business

Sponsored by:     3M 
Search our Site:

 

Fat and obesity gene also affects hip fracture

25.09.2013
Australian researchers have demonstrated a strong association between the FTO (fat and obesity) gene and hip fracture in women. While the gene is already well known to affect diabetes and body fat, this is the first study to show that its high-risk variant can increase the risk of hip fracture by as much as 82%.

The study, undertaken by Dr Bich Tran and Professor Tuan Nguyen from Sydney’s Garvan Institute of Medical Research, examined six gene variants (single nucleotide polymorphisms, or SNPs) of the FTO gene, taken from the DNA of 934 women in the Dubbo Osteoporosis Epidemiology Study (DOES). The women were all over 60, and their bone health was followed between 1989 and 2007. During that period, 102 women had hip fractures.

On average, the risk of fracture is about 11%. The study showed that if a woman has a low-risk genotype, or gene variant, the risk of fracture is 10%. If she has a high-risk genotype, it is 16%.

Now published online in Clinical Endocrinology, the authors believe that the findings have the potential to improve prediction of hip fracture. Known risk factors, also to be taken into account, include advancing age, falls, history of fracture, low bone mineral density, low body mass index (BMI) and genetic make-up.

“We found that for a woman of the same age and same clinical risk factors, those with the high-risk genotype have an increased risk of fracture of 82% - a very high effect in genetic terms,” said Professor Tuan Nguyen.

“A genome-wide association study published in 2007 suggested that genetic variants in the FTO gene were associated with variation in BMI. This led us to hypothesise that they might also be associated with variation in hip fracture risk.”

“The present study tested our hypothesis by examining the association between common variants in the FTO gene and hip fracture.”

“Our results showed a strong association with hip fracture, with some gene variants doubling the risk of fracture. Interestingly, this was independent of both the bone density and BMI of the women we studied.”

“We also found that the FTO gene expresses in bone cells, and may have something to do with bone turnover, or remodelling, although its exact mechanisms are unclear.”

“It’s important to emphasise that, while promising, our finding is a first step. It will need to be replicated in other studies, and its mechanisms clearly understood before it is useful in drug development.”

“At Garvan, we developed a Fracture Risk Calculator several years ago, www.fractureriskcalculator.com, using algorithms based on data from the Dubbo study. The calculator, which is fairly accurate and easy to use, is very popular with patients and doctors.”

“In the future, I would anticipate that genetic risk factors including this finding would be programmed into the calculator, making it an even more finely-tuned predictive tool.”

ABOUT GARVAN
The Garvan Institute of Medical Research was founded in 1963. Initially a research department of St Vincent's Hospital in Sydney, it is now one of Australia's largest medical research institutions with over 600 scientists, students and support staff. Garvan's main research areas are: Cancer, Diabetes & Obesity, Immunology and Inflammation, Osteoporosis and Bone Biology and Neuroscience. Garvan's mission is to make significant contributions to medical science that will change the directions of science and medicine and have major impacts on human health. The outcome of Garvan's discoveries is the development of better methods of diagnosis, treatment, and ultimately, prevention of disease.
Media enquiries should be directed to:
Alison Heather

Science Communications Manager

M: + 61 434 071 326

P: +61 2 9295 8128

E: a.heather "a" garvan.org.au

Alison Heather | EurekAlert!
Further information:
http://www.garvan.org.au

More articles from Health and Medicine:

nachricht Custom-tailored strategy against glioblastomas
26.09.2016 | Rheinische Friedrich-Wilhelms-Universität Bonn

nachricht New leukemia treatment offers hope
23.09.2016 | King Abdullah University of Science and Technology

All articles from Health and Medicine >>>

The most recent press releases about innovation >>>

Die letzten 5 Focus-News des innovations-reports im Überblick:

Im Focus: OLED microdisplays in data glasses for improved human-machine interaction

The Fraunhofer Institute for Organic Electronics, Electron Beam and Plasma Technology FEP has been developing various applications for OLED microdisplays based on organic semiconductors. By integrating the capabilities of an image sensor directly into the microdisplay, eye movements can be recorded by the smart glasses and utilized for guidance and control functions, as one example. The new design will be debuted at Augmented World Expo Europe (AWE) in Berlin at Booth B25, October 18th – 19th.

“Augmented-reality” and “wearables” have become terms we encounter almost daily. Both can make daily life a little simpler and provide valuable assistance for...

Im Focus: Artificial Intelligence Helps in the Discovery of New Materials

With the help of artificial intelligence, chemists from the University of Basel in Switzerland have computed the characteristics of about two million crystals made up of four chemical elements. The researchers were able to identify 90 previously unknown thermodynamically stable crystals that can be regarded as new materials. They report on their findings in the scientific journal Physical Review Letters.

Elpasolite is a glassy, transparent, shiny and soft mineral with a cubic crystal structure. First discovered in El Paso County (Colorado, USA), it can also be...

Im Focus: Complex hardmetal tools out of the 3D printer

For the first time, Fraunhofer IKTS shows additively manufactured hardmetal tools at WorldPM 2016 in Hamburg. Mechanical, chemical as well as a high heat resistance and extreme hardness are required from tools that are used in mechanical and automotive engineering or in plastics and building materials industry. Researchers at the Fraunhofer Institute for Ceramic Technologies and Systems IKTS in Dresden managed the production of complex hardmetal tools via 3D printing in a quality that are in no way inferior to conventionally produced high-performance tools.

Fraunhofer IKTS counts decades of proven expertise in the development of hardmetals. To date, reliable cutting, drilling, pressing and stamping tools made of...

Im Focus: Launch of New Industry Working Group for Process Control in Laser Material Processing

At AKL’16, the International Laser Technology Congress held in May this year, interest in the topic of process control was greater than expected. Appropriately, the event was also used to launch the Industry Working Group for Process Control in Laser Material Processing. The group provides a forum for representatives from industry and research to initiate pre-competitive projects and discuss issues such as standards, potential cost savings and feasibility.

In the age of industry 4.0, laser technology is firmly established within manufacturing. A wide variety of laser techniques – from USP ablation and additive...

Im Focus: New laser joining technologies at ‘K 2016’ trade fair

Every three years, the plastics industry gathers at K, the international trade fair for plastics and rubber in Düsseldorf. The Fraunhofer Institute for Laser Technology ILT will also be attending again and presenting many innovative technologies, such as for joining plastics and metals using ultrashort pulse lasers. From October 19 to 26, you can find the Fraunhofer ILT at the joint Fraunhofer booth SC01 in Hall 7.

K is the world’s largest trade fair for the plastics and rubber industry. As in previous years, the organizers are expecting 3,000 exhibitors and more than...

All Focus news of the innovation-report >>>

Anzeige

Anzeige

Event News

Experts from industry and academia discuss the future mobile telecommunications standard 5G

23.09.2016 | Event News

ICPE in Graz for the seventh time

20.09.2016 | Event News

Using mathematical models to understand our brain

16.09.2016 | Event News

 
Latest News

How to merge two black holes in a simple way

26.09.2016 | Physics and Astronomy

Australian technology installed on world’s largest single-dish radio telescope

26.09.2016 | Physics and Astronomy

New mechanisms uncovered explaining frost tolerance in plants

26.09.2016 | Life Sciences

VideoLinks
B2B-VideoLinks
More VideoLinks >>>