Anchor-Sequence Gene Expression Modulation via Site-Specific Disruption
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Solution Overview
Problem
Existing technologies struggle to effectively modulate gene expression by disrupting and modifying anchor-sequence mediated conjunctions in a site-specific manner, leading to inefficient regulation of gene expression in diseases caused by defective gene regulation.
Innovation Solution
Development of site-specific agents that physically disrupt and/or modify anchor-sequence mediated conjunctions using DNA-binding moieties and fusion molecules, including enzymatically inactive Cas polypeptides and guide RNAs, to target and modulate gene expression within anchor sequences.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If site-specific agents are used to disrupt anchor-sequence mediated conjunctions, then gene expression modulation is achieved, but the complexity of the device increases
Solution Approach 1:
The site-specific agent is divided into two separate functional components: a DNA-binding moiety that recognizes and binds to anchor sequences, and a disrupting moiety that physically interferes with the anchor-sequence mediated conjunction. This segmentation allows each component to be optimized independently while reducing overall system complexity.
Solution Approach 2:
The patent introduces an intermediary molecule that bridges the DNA-binding moiety and the disrupting moiety. This intermediary facilitates the transfer of the disrupting function to the target site without requiring direct integration of all functional elements into a single complex structure, thereby simplifying the overall device architecture.
2Productivity
If site-specific agents with high affinity binding are used to compete with endogenous nucleating polypeptides, then gene expression modulation efficacy is improved, but the difficulty of detecting and measuring binding specificity increases
Solution Approach 1:
The patent incorporates fluorescent or colorimetric labels on the site-specific agent or the anchor sequences. These labels enable direct visualization and quantification of binding events, allowing researchers to easily detect and measure binding specificity through standard optical detection methods without requiring complex assay development.
Solution Approach 2:
The patent employs a reporter system that creates a measurable copy or signal proportional to the binding event. This could involve linking the binding event to a detectable signal such as luminescence, fluorescence, or a color change, thereby simplifying the detection and measurement of binding specificity while maintaining high affinity competition with endogenous polypeptides.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The agents effectively modulate gene expression by altering the formation of anchor-sequence mediated conjunctions, enhancing or suppressing gene transcription, thereby addressing defective gene regulation in diseases.
Implementation Method 1
a DNA-binding moiety that binds specifically to one or more target anchor sequences within a cell and not to non-targeted anchor sequences within the cell with sufficient affinity that it competes with binding of an endogenous nucleating polypeptide within the cell
Implementation Method 2
The agents effectively modulate gene expression by altering the formation of anchor-sequence mediated conjunctions, enhancing or suppressing gene transcription
Data Source
AI summary
The present disclosure provides compositions with a modulating gene expression and methods for modulating transcription.