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An engineered UGA suppressor tRNA gene for disease-agnostic AAV delivery.

Xu M, Liu H, Wang J, Vieira AFC, Zhou X, Liu N, Liang J, Du A, Chen X, Xing R, Yang Y, Gonzalez-Perez MP, Kumar V, Wang D
Nat Biotechnol. 2026 Jan 19. doi: 10.1038/s41587-025-02982-5. (Link opens in a new window) PubMed (Link opens in a new window) Article

Plasmids from Article

ID Plasmid Purpose
263980pAAV.2x U6-UGA-sup-tRNAArg-R8.CB6-mCherry-RBGAAV genome expressing 2x UGA suppressor tRNA driven by U6 promoter and mCherry
263981pAAV. 2x human NFS-UGA-sup-tRNAArg-R8.CB6-mCherry. RBGAAV genome expressing 2x UGA suppressor tRNA with human natural flanking sequence (NFS) and mCherry
263982pAAV. 2x mouse NFS-UGA-sup-tRNAArg-R8.CB6-mCherry. RBGAAV genome expressing 2x UGA suppressor tRNA with mouse natural flanking sequence (NFS) and mCherry
263983pCMV-CymR-V5Mammalian expression plasmid for CymR
263984pAAV. 2x human NFS-CuO-UGA-sup-tRNAArg-R8.CB6-mCherry. RBG (VG1)AAV genome expressing 2x UGA suppressor tRNA with human natural flanking sequence (NFS) and CuO element and mCherry (vector genome design 1)
263985pAAV. Human NFS-CuO/mouse NFS-CuO-UGA-sup-tRNAArg-R8.CB6-mCherry. RBG (VG2)AAV genome expressing 2x UGA suppressor tRNA with mouse and mouse natural flanking sequence (NFS) and CuO element and mCherry (vector genome design 2)
263986pAAV.2x human NFS-CuO-UGA-sup-tRNAArg-R8.CB6-mCherry. RBG (VG3) AAV genome expressing 2x UGA suppressor tRNA with human natural flanking sequence (NFS) and CuO element and mCherry (vector genome design 3)
263987pAAV.2x human NFS-CuO-UGA-sup-tRNAArg-R8.CB6-mCherry. RBG (VG4)AAV genome expressing 2x UGA suppressor tRNA with human natural flanking sequence (NFS) and CuO element and mCherry (vector genome design 4)
263989pAAV.CB6-CLuc-T2A-MeCP2 R168X-GLucDual-luciferase PTC reporter with in-frame UGA premature termination codon to detect nonsense suppression; AAV genome expressing wild-type CLuc and GLuc with the T2A and Mecp2 R168X sequence context
263990pAAV. Human NFS- tRT5.CB6-mCherry. RBGAAV genome expressing UGA suppressor tRNA (tRT5, (Albers et al, Nature 2023)) with human natural flanking sequence (NFS) and mCherry
263991pAAV. Human NFS-CuO tRT5.CB6-mCherry. RBGAAV genome expressing CuO-UGA suppressor tRNA (tRT5, (Albers et al, Nature 2023)) with human natural flanking sequence (NFS) and mCherry
263992pAAV. OptACE-tRNA-Arg-UGA-combo8.CB6-mCherry. RBGAAV genome expressing the optimized UGA suppressor tRNA (OptACE-tRNA-Arg-UGA-combo8, (Porter et al, Nucleic Acids Res 2024)) and mCherry
263993pAAV. CuO-OptACE-tRNA-Arg-UGA-combo8.CB6-mCherry. RBGAAV genome expressing the optimized UGA suppressor tRNA (OptACE-tRNA-Arg-UGA-combo8, (Porter et al, Nucleic Acids Res 2024)) with a CuO insertion and mCherry
263994pCMV-mIdua WT-FlagMammalian expression plasmid for wild-type mouse Idua-FLAG
263995pCMV-mIdua W401X (TGA)-FlagMammalian expression plasmid for mouse Idua-FLAG with W401X (TGA) mutation
263996pCMV-mIdua W401Q-FlagMammalian expression plasmid for mouse Idua-FLAG with W401Q mutation
263997pCMV-mIdua W401R-FlagMammalian expression plasmid for mouse Idua-FLAG with W401R mutation
263998pCMV-mIdua W401D-FlagMammalian expression plasmid for mouse Idua-FLAG with W401D mutation
263999pLenti-CSCGW2.human NFS-CuO-UGA-sup-tRNAArg-R8.CMV-EGFP Lentiviral plasmid expressing UGA suppressor tRNA with human natural flanking sequence (NFS) and CuO element and EGFP

Antibodies from Article