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UAB researchers cure type 1 diabetes in dogs
Date:2/7/2013

ish Biomedical Research Centre in Diabetes and Associated Metabolic Disorders (CIBERDEM), the Children's Hospital of Philadelphia (USA) and the Howard Hughes Medical Institute of Philadelphia (USA).

A safe and efficacious gene therapy

The study provides ample data showing the safety of gene therapy mediated by adeno-associated vectors (AAV) in diabetic dogs. The therapy has proved to be safe and efficacious: it is based on the transfer of two genes to the muscle of adult animals using a new generation of very safe vectors known as adeno-associated vectors. These vectors, derived from non-pathogenic viruses, are widely used in gene therapy and have been successful in treating several diseases.

In fact, the first gene therapy medicine ever approved by the European Medicines Agency, named Glybera, makes use of adeno-associated vectors to treat a metabolic disease caused by a deficiency of lipoprotein lipase and the resulting accumulation of triglycerides in the blood.

Long-term control of the disease

Dogs treated with a single administration of gene therapy showed good glucose control at all times, both when fasting and when fed, improving on that of dogs given daily insulin injections, and with no episodes of hypoglycemia, even after exercise. Furthermore, the dogs treated with adeno-associated vectors improved their body weight and had not developed secondary complications four years after the treatment.

The study is the first to report optimal long-term control of diabetes in large animals. This had never before been achieved with any other innovative therapies for diabetes. The study is also the first to report that a single administration of genes to diabetic dogs is able to maintain normoglycemia over the long term (more than 4 years). As well as achieving normoglycemia, the dogs had normal levels of glycosylated proteins and developed no secondary complications of diabetes after more th
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Contact: Ftima Bosch
fatima.bosch@uab.cat
34-935-814-182
Universitat Autonoma de Barcelona
Source:Eurekalert  

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UAB researchers cure type 1 diabetes in dogs
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