期刊
HUMAN GENE THERAPY
卷 31, 期 1-2, 页码 47-56出版社
MARY ANN LIEBERT, INC
DOI: 10.1089/hum.2019.220
关键词
dual AAV; pre-mRNA trans-splicing; protein trans-splicing; large genes
资金
- University of Naples Federico II under STAR Program
Gene therapy with adeno-associated viral (AAV) vectors has reached the clinical stage for many inherited and acquired diseases. However, due to a cargo capacity limited to <5 kb, AAV-mediated treatment of diseases that require transfer of larger genes still appears elusive. This is a major drawback of a platform that has otherwise been repeatedly found to be safe and effective. Thus, great efforts have been directed toward the identification of strategies to overcome this limitation. Among the most studied approaches is the use of dual vectors, in which a transgene is split across two separate AAV vectors. Mechanisms acting at either the DNA, pre-mRNA, or protein levels have been explored to restore full-length transgene expression in infected cells. Here, we will review them as well as additional strategies developed to deliver large genes with AAV. We discuss the pros and cons of these strategies and the aspects that still need to be addressed.
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