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A novel class of self-complementary AAV vectors with multiple advantages based on cceAAV lacking mutant ITR by Junping Zhang; Dylan A. Frabutt; Matthew Chrzanowski; Ning Li; Lohra M. Miller; Jiahe Tian; Patrick L. Mulcrone; Anh K. Lam; Benjamin E. Draper; Martin F. Jarrold; Roland W. Herzog; Weidong Xiao is a Biochemistry, Genetics and Molecular Biology article available to read on EtoBox.
What is A novel class of self-complementary AAV vectors with multiple advantages based on cceAAV lacking mutant ITR about?
Self-complementary AAV vectors (scAAV) use a mutant inverted terminal repeat (mITR) for efficient packaging of complementary stranded DNA, enabling rapid transgene expression. However, inefficient resolution at the mITR leads to the packaging of monomeric or subgenomic AAV genomes. These noncanonical particles reduce transgene expression and may affect the safety of gene transfer. To address these issues, we have developed a novel class of scAAV vectors called covalently closed-end double-stranded AAV (cceAAV) that eliminate the mITR resolution step during production. Instead of using a mutant ITR, we used a 56-bp recognition sequence of protelomerase (TelN) to covalently join the top and bottom strands, allowing the vector to be generated with just a single ITR. To produce cceAAV vectors, the vector plasmid is initially digested with TelN, purified, and then subjected to a standard triple-plasmid transfection protocol followed by traditional AAV vector purification procedures. Such cceAAV vectors demonstrate yields comparable to scAAV vectors. Notably, we observed enhanced transgene expression as compared to traditional scAAV vectors. The treatment of mice with hemophilia B with c
Who reads A novel class of self-complementary AAV vectors with multiple advantages based on cceAAV lacking mutant ITR?
It is typically read by researchers, students, and practitioners in Biochemistry, Genetics and Molecular Biology.
- Author
- Junping Zhang; Dylan A. Frabutt; Matthew Chrzanowski; Ning Li; Lohra M. Miller; Jiahe Tian; Patrick L. Mulcrone; Anh K. Lam; Benjamin E. Draper; Martin F. Jarrold; Roland W. Herzog; Weidong Xiao
- Publisher
- American Society of Gene & Cell Therapy
- Published
- 2024
- Language
- EN
- Field
- Biochemistry, Genetics and Molecular Biology (Life Sciences)