Forget gym, ‘hulk’ protein can help muscles grow Test On Mice Shows Growth Without Ill Effects
If you hate the idea of hitting the gym, a new ‘hulk’ protein can help you achieve a toned and muscular look, scientists claim. Scientists in Australia say they have discovered one of the molecular keys to a protein that promotes weight and muscle mass gain, without any exercise involved. Researchers found that by blocking the function of Grb10, nicknamed the ‘Hulk’ protein, while mice were in the womb, they were considerably stronger and more muscular at birth than normal mice.
The study, published in the journal ‘FASEB’, has important implications for a wide range of conditions such as muscular dystrophy, Type 2 diabetes, and problems produced by muscle inflammation. Grb10 seems to have a significant role in promoting muscle growth without any change in activity, diet, or adverse health effects, the researchers said. “By identifying a novel mechanism regulating muscle development, our work has revealed potential new strategies to increase muscle mass,” said Lowenna J Holt from the diabetes and obesity research programme at the Garvan Institute of Medical Research in Sydney.
Holt and her colleagues compared two groups of mice, one with the Grb10 gene and the other where it was blocked.
Researchers examined the properties of the muscles in both adult and newborn mice and discovered that the increase caused by the loss of Grb10 had mainly occurred during prenatal development. These results suggested that it may in future be possible to alter muscle growth and help faster healing, as the processes involved in muscle regeneration and repair are similar to those for the initial formation of muscle.
DOI: http://dx.doi.org/10.1096/fj.11-199349
The FASEB Journal September 2012, vol. 26 No. 9, 3658-3669
Source: http://epaper.timesofindia.com/Default/Scripting/ArticleWin.asp?From=Archive&Source=Page&Skin=TOINEW&BaseHref=TOICH/2012/09/03&PageLabel=13&EntityId=Ar01300&ViewMode=HTML
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