Science News: Adeno-Associated Virus Gene Therapy for Diabetes and Obesity

Started by MikeLigalig.com, January 15, 2013, 02:09:22 PM

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January 15, 2013, 02:09:22 PM
Adeno-Associated Virus Gene Therapy for Diabetes and Obesity

This invention is directed to adeno-associated virus (AAV) vector delivery of exendin-4 (Ex-4) to salivary glands as treatment for diabetes and obesity. Ex-4 is a potent and long-acting agonist of the receptor for glucagon-like peptide 1 (GLP-1).  Scientists at NIDCR have shown that AAV-mediated delivery of Ex-4 resulted in improved glucose homeostasis and weight profile in two rat models of obesity and type 2 diabetes. Further, AAV-mediated delivery of Ex-4 to rat salivary glands resulted in localized and sustained expression of Ex-4 that was biologically active and well tolerated.

AAV-mediated delivery of Ex-4 is superior to administering GLP-1 analogs in that AAV-Ex-4 expression is more stable and longer acting. Like GLP-1 analogs, Ex-4 expression also potentially provides beneficial effects like reduced hypoglycemia, appetite suppression, and potential weight loss.

Source: Adeno-Associated Virus Gene Therapy for Diabetes and Obesity
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