Abstract
Adeno-associated virus (AAV) has shown promise as a therapeutic gene delivery vector for inherited retinal degenerations in both preclinical disease models and human clinical trials. The retinas of nonhuman primates (NHPs) share many anatomical similarities to humans and are an important model for evaluating AAV gene delivery. Recent evidence has shown that preexisting immunity in the form of neutralizing antibodies (NABs) in NHPs strongly correlates with weak or lack of AAV transduction in the retina when administered intravitreally, work with translational implications. This necessitates prescreening of NHPs before intravitreal delivery of AAV. In this chapter, we describe a method for screening NHP serum for preexisting NABs.
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