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

Researchers from the Universitat Autnoma de Barcelona (UAB), led by Ftima Bosch, have shown for the first time that it is possible to cure diabetes in large animals with a single session of gene therapy. As published this week in Diabetes, the principal journal for research on the disease, after a single gene therapy session, the dogs recover their health and no longer show symptoms of the disease. In some cases, monitoring continued for over four years, with no recurrence of symptoms.

The therapy is minimally invasive. It consists of a single session of various injections in the animal's rear legs using simple needles that are commonly used in cosmetic treatments. These injections introduce gene therapy vectors, with a dual objective: to express the insulin gene, on the one hand, and that of glucokinase, on the other. Glucokinase is an enzyme that regulates the uptake of glucose from the blood. When both genes act simultaneously they function as a "glucose sensor", which automatically regulates the uptake of glucose from the blood, thus reducing diabetic hyperglycemia (the excess of blood sugar associated with the disease).

As Ftima Bosch, the head researcher, points out, "this study is the first to demonstrate a long-term cure for diabetes in a large animal model using gene therapy."

This same research group had already tested this type of therapy on mice, but the excellent results obtained for the first time with large animals lays the foundations for the clinical translation of this gene therapy approach to veterinary medicine and eventually to diabetic patients.

The study was led by the head of the UAB's Centre for Animal Biotechnology and Gene Therapy (CBATEG) Ftima Bosch, and involved the Department of Biochemistry and Molecular Biology of the UAB, the Department of Medicine and Animal Surgery of the UAB, the Faculty of Veterinary Science of the UAB, the Department of Animal Health and Anatomy of the UAB, the Span
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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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