14-Hydroxy-DHA Analogues Resolve Inflammation
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Solution Overview
Problem
Current understanding of inflammation resolution mechanisms is limited, and there is a need for new biological mediators that can effectively address acute inflammation and its consequences, such as inflammation-related diseases.
Innovation Solution
Identification and development of novel dihydroxy and trihydroxy analogues of docosahexaenoic acid (DHA) with specific hydroxyl group configurations, which are biogenically derived and act as potent anti-inflammatory and pro-resolving mediators by converting DHA into 14S-series compounds that interact with neutrophils and macrophages to enhance inflammation resolution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If classic lipid mediators such as prostaglandins and leukotrienes are used, then pro-inflammatory roles are achieved, but inflammation resolution is not effectively controlled
Solution Approach 1:
The patent converts the harmful pro-inflammatory action of classic lipid mediators into beneficial anti-inflammatory and pro-resolving actions by identifying and utilizing novel endogenous lipid mediators (maresins, protectins, resolvins) that reverse the harmful effects of traditional mediators
Solution Approach 2:
The patent changes the chemical structure and configuration of lipid mediators by identifying specific hydroxyl group positions (C-4, C-7, C-13, C-14) and stereochemistries in DHA analogues to transform their biological activity from pro-inflammatory to anti-inflammatory and pro-resolving
2Reliability
If omega-3 fatty acids are used as dietary supplements, then general health benefits are achieved, but specific anti-inflammatory and pro-resolving mechanisms are not fully understood
Solution Approach 1:
The patent segments the complex omega-3 fatty acid DHA into specific structural components with identified hydroxyl groups at particular positions, allowing systematic analysis of which structural elements are responsible for specific anti-inflammatory and pro-resolving activities
Solution Approach 2:
The patent identifies novel endogenous lipid mediators (maresins, protectins, resolvins) as intermediary substances that bridge the gap between omega-3 fatty acid intake and the desired anti-inflammatory and pro-resolving effects, revealing the missing mechanistic link
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
These DHA analogues demonstrate potent dual anti-inflammatory and pro-resolving actions, potentially linking the beneficial effects of DHA to inflammation reduction and cancer treatment, offering new therapeutic options for inflammation-related conditions.
Implementation Method 1
The main biosynthetic route with DHA for resolvins and protectins proceeds during resolution via a 17S-hydroperoxydocosahexaenoic intermediate produced by a lipoxygenase mechanism
Data Source
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AI summary
The invention describes novel 14-hydroxy docosahexaenoic acid (DHA) analogues, their preparation, isolation, identification, purification and uses thereof.