Keto Fatty Acids for Inflammation with Reduced Toxicity
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Solution Overview
Problem
Current selective COX-2 inhibitors used for treating pain and inflammation exhibit toxic side effects, limiting their use in chronic conditions.
Innovation Solution
A formulation comprising specific keto fatty acids, such as 13-oxo-(7Z,10Z,14A,16Z,19Z)-docosa-7,10,14,16,19-pentanoic acid, and a pharmaceutically acceptable carrier, which can be administered to treat inflammatory conditions and detect fatty acid metabolites using a method involving β-mercaptoethanol and mass spectrometry.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If selective COX-2 inhibitors are used to treat pain and inflammation, then anti-inflammatory effect is improved, but toxic side effects increase
Solution Approach 1:
The patent changes the chemical structure parameters of fatty acids by introducing keto groups at specific positions (e.g., 13-oxo, 17-oxo derivatives of DHA and DPA) to create new compounds with modified biological activity. These structural parameter changes result in compounds that maintain anti-inflammatory effects while reducing toxic side effects compared to conventional COX-2 inhibitors
Solution Approach 2:
The invention combines multiple functional groups within the fatty acid molecules (carboxyl group, keto groups at specific positions, and polyunsaturated chains) to create composite molecular structures. These composite structures exhibit both anti-inflammatory properties and reduced toxicity, effectively resolving the contradiction between therapeutic effect and side effects
2Reliability
If keto fatty acids are administered to treat inflammatory conditions, then therapeutic benefit is improved, but detection and measurement complexity increases
Solution Approach 1:
The patent uses β-mercaptoethanol as an intermediary reagent that reacts with keto fatty acid metabolites to form detectable adducts. This intermediary step simplifies the detection process by converting complex keto fatty acid structures into more easily measurable compounds through mass spectrometry, thereby reducing detection complexity while maintaining therapeutic monitoring capability
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 formulation effectively treats various inflammatory conditions with reduced side effects and allows for the detection of fatty acid metabolites, providing a therapeutic benefit by modulating inflammatory responses and anti-oxidant pathways.
Implementation Method 1
a method involving β-mercaptoethanol and mass spectrometry
Data Source
AI summary
Compounds of formula I and their metabolites are potent mediators of an inflammatory response:where a, b, c, d, e, f, V, W, X, Y, Ra, Ra′, Rb, Rb′, Rc, and Rc′ are defined herein. In particular, the compounds of the invention are candidate therapeutics for treating inflammatory conditions.