Gene therapy may treat obesity
        
            By Times of India, 
                Times of India
             | 03. 10. 2009
        
                    
                                    
                    
                                                                                                                                    
                                                                            
                              
    
  
  
    
  
          
  
      
    
            Alarmed by the rise in obesity, researchers are examining the possibility of injecting a gene directly into one of the critical feeding and weight control centres of the brain.
"Obesity significantly increases the risk for diabetes, cardiovascular disease, stroke and some cancers," said Matthew During, the study's co-author and professor at Ohio State University Medical Centre.
"Our findings represent a promising new treatment for obesity that could ultimately provide a much safer and more effective approach than some conventional therapies," he said.
Scientists have discovered that a particular gene, BDNF, when active in the hypothalamus, can result in improved insulin sensitivity, reduced fat mass and weight loss.
Lei Cao, a co-author and assistant professor of molecular virology, immunology and medical genetics, said the study involved injecting the BDNF gene in normal mice, diabetic mice and mice fed with a high fat diet, to determine how the gene transfer would affect their weight.
"The gene was active in the overweight mice but as they lost weight, the gene expression was essentially 'dialed down,' using a novel RNA interference approach, thus stopping...
 
       
 
  
 
    
    
  
   
                        
                                                                                
                 
                                                    
                            
                                  
    
  
  
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