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New gene offers hope for preventive medicine against fractures

Date:
September 18, 2012
Source:
University of Gothenburg
Summary:
An international study has identified a special gene that regulates bone density and bone strength. The gene can be used as a risk marker for fractures and opens up opportunities for preventive medicine against fractures.

A big international study has identified a special gene that regulates bone density and bone strength. The gene can be used as a risk marker for fractures and opens up opportunities for preventive medicine against fractures. The study, led by the Sahlgrenska Academy, University of Gothenburg, Sweden, was published in the journal PLoS Genetics.

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The international study, which involved more than 50 researchers from Europe, North America and Australia and was led by Associate Professor Mattias Lorentzon and Professor Claes Ohlsson at the Sahlgrenska Academy, University of Gothenburg, is based on extensive genetic analyses of the genetic material of 10,000 patients and experimental studies in mice.

Through the combined studies, researchers have succeeded in identifying a special gene, Wnt16, with a strong link to bone density and so-called cortical bone thickness, which is decisive to bone strength.

The genetic variation studied by the international research network could predict, for example, the risk of a forearm fracture in a large patient group of older women.

"In the experimental study, we could then establish that the gene had a crucial effect on the thickness and density of the femur. In mice without the Wnt16 gene, the strength of the femur was up to 61 per cent lower," according to Mattias Lorentzon at the Institute of Medicine, the Sahlgrenska Academy, University of Gothenburg.

The discovery opens up opportunities to develop new medicines to prevent the most common fractures.

"Low cortical bone mass is a decisive factor in, for example, hip and forearm fractures. Unfortunately, the treatments currently used for brittleness of the bones have very little effect on the cortical bone mass," says Mattias Lorentzon.

"If we can learn to stimulate the signaling routes of the Wnt16 gene, we could strengthen the skeleton in these parts too, thereby preventing the most common and serious fractures. The discovery of Wnt16 and its regulation of cortical bone mass is therefore very important," according to Mattias Lorentzon.


Story Source:

The above story is based on materials provided by University of Gothenburg. The original article was written by Krister Svahn. Note: Materials may be edited for content and length.


Journal Reference:

  1. Hou-Feng Zheng, Jon H. Tobias, Emma Duncan, David M. Evans, Joel Eriksson, Lavinia Paternoster, Laura M. Yerges-Armstrong, Terho Lehtimäki, Ulrica Bergström, Mika Kähönen, Paul J. Leo, Olli Raitakari, Marika Laaksonen, Geoffrey C. Nicholson, Jorma Viikari, Martin Ladouceur, Leo-Pekka Lyytikäinen, Carolina Medina-Gomez, Fernando Rivadeneira, Richard L. Prince, Harri Sievanen, William D. Leslie, Dan Mellström, John A. Eisman, Sofia Movérare-Skrtic, David Goltzman, David A. Hanley, Graeme Jones, Beate St. Pourcain, Yongjun Xiao, Nicholas J. Timpson, George Davey Smith, Ian R. Reid, Susan M. Ring, Philip N. Sambrook, Magnus Karlsson, Elaine M. Dennison, John P. Kemp, Patrick Danoy, Adrian Sayers, Scott G. Wilson, Maria Nethander, Eugene McCloskey, Liesbeth Vandenput, Richard Eastell, Jeff Liu, Tim Spector, Braxton D. Mitchell, Elizabeth A. Streeten, Robert Brommage, Ulrika Pettersson-Kymmer, Matthew A. Brown, Claes Ohlsson, J. Brent Richards, Mattias Lorentzon. WNT16 Influences Bone Mineral Density, Cortical Bone Thickness, Bone Strength, and Osteoporotic Fracture Risk. PLoS Genetics, 2012; 8 (7): e1002745 DOI: 10.1371/journal.pgen.1002745

Cite This Page:

University of Gothenburg. "New gene offers hope for preventive medicine against fractures." ScienceDaily. ScienceDaily, 18 September 2012. <www.sciencedaily.com/releases/2012/09/120918083427.htm>.
University of Gothenburg. (2012, September 18). New gene offers hope for preventive medicine against fractures. ScienceDaily. Retrieved October 25, 2014 from www.sciencedaily.com/releases/2012/09/120918083427.htm
University of Gothenburg. "New gene offers hope for preventive medicine against fractures." ScienceDaily. www.sciencedaily.com/releases/2012/09/120918083427.htm (accessed October 25, 2014).

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