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Methods Mol Biol. 2011;709:369-78. doi: 10.1007/978-1-61737-982-6_24.

Percutaneous transendocardial delivery of self-complementary adeno-associated virus 6 in the canine.

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Department of Physiology, University of Pennsylvania School of Medicine, B400 Richards Building, 3700 Hamilton Walk, Philadelphia, PA, USA.


Achieving efficient cardiac gene transfer in a large animal model has proven to be technically challenging. Prior strategies have employed cardio-pulmonary bypass or dual catheterization with the aid of vasodilators to deliver vectors, such as adenovirus, adeno-associated virus (AAV) or plasmid DNA. While single-stranded AAV vectors have shown the greatest promise, they suffer from delayed expression, which might be circumvented by using self-complementary vectors. We have recently optimized a cardiac gene transfer protocol in the canine using a percutaneous transendocardial injection catheter to deliver an AAV vector under fluoroscopic guidance. Percutaneous transendocardial injection of self-complementary AAV (scAAV)-6 is a safe, effective method for achieving efficient cardiac gene transfer to approximately 60% of the myocardium.

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