APOC3 Intron 1 Promoter for Transgene Expression
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Solution Overview
Problem
Current promoters are not suitable for various technologies and situations where a specific promoter is required, particularly for the APOC3 gene, which limits the efficient expression of transgenes.
Innovation Solution
A novel promoter derived from part or all of intron 1 of the APOC3 gene, which can be used in nucleic acid constructs to express transgenes, regardless of whether the transgene is integrated into the genome.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional promoters are used, then the promoter structure is well-known and easy to obtain, but the promoter cannot efficiently drive transgene expression in various technologies and situations
Solution Approach 1:
The invention segments the promoter into specific functional regions including a TATA box (SEQ ID NO: 01), a CCAAT box (SEQ ID NO: 02), and a GC box (SEQ ID NO: 03), each contributing specific regulatory functions. This segmentation allows the promoter to be optimized for different expression patterns while maintaining core functionality across various technologies.
Solution Approach 2:
The promoter sequence is designed to perform multiple functions simultaneously: it can drive expression in different cell types, work with various transgenes, and be applicable to different delivery methods (viral and non-viral vectors). The combination of conserved elements (TATA box, CCAAT box, GC box) provides universal applicability while maintaining technology-specific adaptability.
2Reliability
If the promoter is designed to be highly specific for certain cell types, then cell-type specific expression is improved, but the promoter loses versatility across different technologies and situations
Solution Approach 1:
The promoter incorporates local quality variations through its sequence structure: the TATA box provides strong transcriptional initiation, the CCAAT box adds tissue-specific regulation, and the GC box contributes to stability. This local differentiation of functional elements allows the promoter to achieve cell-type specificity when needed while maintaining overall versatility through the conservation of core elements.
Data Source
AI summary
The present application relates to a novel promoter and a use thereof. In one embodiment of the present application, provided is a nucleic acid construct comprising a novel promoter and a transgene of the present application. At this time, on the nucleic acid construct, the novel promoter of the present application can be operably linked to the transgene.