Deuterated Polyunsaturated Fatty Acids Oxidation Resistance
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Solution Overview
Problem
Current treatments for hepatic disorders and cardiac-related risk factors associated with oxidative stress are limited, as antioxidants cannot prevent polyunsaturated fatty acid (PUFA) peroxidation, and existing methods fail to stabilize PUFAs against oxidation without compromising their beneficial properties.
Innovation Solution
Administration of isotopically modified polyunsaturated fatty acids or their mimetics, where specific bonds are stabilized against oxidation using isotopes like deuterium, reducing the susceptibility of PUFAs to oxidative damage while maintaining their essential functions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If antioxidants are administered to prevent PUFA peroxidation, then oxidative stress is reduced, but antioxidants cannot effectively prevent PUFA peroxidation
Solution Approach 1:
The patent changes the chemical parameter of the PUFA molecules by replacing hydrogen atoms with deuterium at specific positions (bis-allylic positions). This isotopic substitution alters the bond strength and oxidation resistance of the PUFA without changing its essential biological function, thereby directly addressing the limitation of antioxidants by making the PUFA itself resistant to peroxidation
Solution Approach 2:
The patent converts the inherent vulnerability of PUFAs to oxidation (a harmful property) into a beneficial property by using deuterium substitution. The deuterated PUFAs maintain all the beneficial physiological functions of normal PUFAs while gaining resistance to oxidative damage, thus transforming the weakness into a strength
2Object-affected harmful factors
If PUFAs are stabilized against oxidation through chemical modification, then oxidative damage is reduced, but their beneficial properties may be compromised
Solution Approach 1:
The patent applies deuterium substitution selectively at specific locations (bis-allylic positions) of the PUFA molecule rather than throughout the entire molecule. This localized modification provides oxidation resistance exactly where it is most needed while preserving the rest of the molecular structure and its essential biological functions
Solution Approach 2:
The patent changes only the isotopic parameter (hydrogen to deuterium) at specific positions without altering the fundamental chemical structure or biological identity of the PUFA. This minimal parameter change ensures that the molecule retains its ability to perform essential physiological functions while gaining enhanced oxidation resistance
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 approach effectively mitigates the progression of hepatic disorders and cardiac-related risks by stabilizing PUFAs against oxidation, thereby reducing oxidative stress and associated damage, without compromising their physical properties or biological functions.
Implementation Method 1
specific bonds are stabilized against oxidation using isotopes like deuterium, reducing the susceptibility of PUFAs to oxidative damage
Data Source
AI summary
Some aspects of the invention provide for a method of treating hepatic disorders, lipidemias and cardiac-related risk factors using polyunsaturated fatty acids which are modified in certain positions to attenuate oxidative damage by Reactive Oxygen Species (ROS) and/or suppress the rate of formation of reactive products and toxic compounds.