pAAVdual-TBG-EGFP

pAAVdual-TBG-EGFP is used to produce AAV-TBG-EGFP virus using novel AAVdual production system. In this plasmid, the regular single strand AAV genome with a TBG promoter and an EGFP reporter is cloned into our novel Ad helper plasmid, mini-pHelper. AAV-TBG-EGFP viruses can be generated by co-transfection of this plasmid with regular AAV helper (pRCap) plasmids, carrying AAV2 rep gene and different cap genes, without adding additional Ad helper plasmid to supply E2A, E4orf6 and VA RNA functions.
The TBG promoter is derived from the thyroxine-binding globulin (TBG) gene, which is primarily expressed in the liver and encodes a key protein involved in thyroid hormone transport. In AAV applications, this promoter delivers strong, hepatocyte-specific expression with high durability, making it one of the most widely adopted regulatory elements in liver-directed gene therapy. It has been validated in both preclinical and clinical studies, supporting research in metabolic disorders, systemic protein replacement, and other hepatocyte-targeted therapies.

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