Ester Lipid Nanoparticles for Oxidation-Resistant mRNA Delivery
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Solution Overview
Problem
Current lipid-like nanoparticles are not adequately explored for efficient and safe delivery of mRNA, necessitating improved delivery systems to enhance therapeutic efficacy with minimal toxicity.
Innovation Solution
Development of benzene-1,3,5-tricarboxamide derived ester lipid compounds and lipid-like nanoparticles, synthesized with a m-tris(2-aminoethyl)benzene-1,3,5-tricarboxamide core and varied lipid tails, for high-efficiency mRNA delivery.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If cholesterol is used to modulate membrane fluidity, then membrane stability is improved, but harmful oxidized cholesterol accumulates causing cytotoxicity
Solution Approach 1:
The patent introduces benzene-1,3,5-tricarboxamide derived ester lipids as intermediary molecules that mimic cholesterol's membrane-stabilizing function without undergoing harmful oxidation. These synthetic lipids act as mediators between the need for membrane stability and the avoidance of oxidative damage, providing cholesterol-like benefits while eliminating its harmful byproducts.
Solution Approach 2:
The invention employs biodegradable ester lipid structures that can be safely metabolized and replaced in the membrane system. These short-living synthetic lipids serve temporary membrane-stabilizing functions and are then broken down by cellular enzymes, avoiding the accumulation of persistent harmful oxidized products that occur with cholesterol.
2Object-affected harmful factors
If polyunsaturated fatty acids are incorporated into lipids to reduce cardiovascular disease risk, then health benefits are improved, but lipid peroxidation increases causing membrane damage
Solution Approach 1:
The patent modifies the chemical parameters of lipid structures by incorporating benzene-1,3,5-tricarboxamide core structures with controlled saturation levels. This changes the oxidation resistance parameters while maintaining the beneficial membrane fluidity properties, allowing the lipids to provide cardiovascular benefits without the excessive peroxidation susceptibility of highly polyunsaturated fatty acids.
Solution Approach 2:
The invention creates composite lipid molecules combining aromatic benzene-1,3,5-tricarboxamide cores with fatty acid chains. This composite structure integrates the membrane-fluidity benefits of polyunsaturated chains with the oxidation resistance of the aromatic core, achieving a balance between cardiovascular benefits and damage prevention.
3Stability of the object's composition
If saturated fatty acids are used in lipids, then oxidative stability is improved, but membrane fluidity decreases affecting cellular functions
Solution Approach 1:
The patent applies local quality differentiation within the lipid molecule by placing saturated or aromatic segments in the core structure for oxidative stability while maintaining unsaturated fatty acid chains at the periphery for fluidity. This spatial differentiation of chemical properties within the single lipid molecule allows simultaneous achievement of both stability and fluidity requirements.
Solution Approach 2:
The invention creates composite lipid structures with benzene-1,3,5-tricarboxamide cores that provide rigid oxidative stability while attached fatty acid chains provide flexible fluidity. This composite architecture allows the lipid to exhibit both saturated-like stability and unsaturated-like fluidity properties simultaneously.
4Adaptability or versatility
If natural products are used as starting materials, then sustainability is improved, but production yield is limited by availability
Solution Approach 1:
The patent segments the molecular structure into a standardized benzene-1,3,5-tricarboxamide core that can be synthesized from various natural products (such as resorcinol from plant sources). This segmentation allows the core structure to be produced through controlled chemical synthesis rather than extraction, dramatically increasing yield while maintaining sustainability through renewable starting materials.
Solution Approach 2:
The invention changes the production parameter from extraction-based (limited by natural product availability) to synthesis-based (scalable through chemical reactions). By transforming natural products into standardized aromatic cores through chemical synthesis, the process achieves both sustainability (using renewable feedstocks) and high productivity (through scalable manufacturing).
Data Source
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AI summary
The present disclosure relates to benzene-1,3,5-tricarboxamide derived ester lipid compounds, compositions, lipid-like nanoparticles, and methods for delivery of therapeutic, diagnostic, or prophylactic agents.