Cobinamide Antioxidant Composition for Diabetic Oxidative Stress

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Solution Overview

Problem

Existing treatments for oxidative stress, such as cobalamin, are less effective in neutralizing reactive oxygen and nitrogen species, leading to conditions like diabetes, vascular disease, and cardiac fibrosis, due to their lower affinity for ligands and stability in aqueous solutions.

Innovation Solution

Cobinamide, a precursor to cobalamin, is administered to subjects to act as a potent antioxidant by coordinating with ligands, mimicking superoxide dismutase and catalase, effectively neutralizing reactive species like O2·−, H2O2, and ONOO−, thereby reducing oxidative stress.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If cobalamin is used to treat oxidative stress, then it can neutralize reactive oxygen species, but its effectiveness is limited due to lower ligand affinity and reduced stability in aqueous solutions

Engineering Contradiction:

Improveeffectiveness of oxidative stress treatmentVSAvoidstability in aqueous solutions

Core Design Contradiction:

ReliabilityVSStability of the object's composition

Solution Approach 1:

The patent changes the chemical structure parameters of cobalamin by removing the dimethylbenzimidazole ligand to create cobinamide. This structural modification results in higher ligand affinity (improving effectiveness) and enhanced stability in aqueous solutions (improving stability), directly resolving the technical contradiction.

Inventive Principle:

Principle #35Parameter changes

2Productivity

If cobalamin is used as antioxidant, then it can react with reactive oxygen species, but its reaction rates are lower compared to cobinamide

Engineering Contradiction:

Improvereaction rate with oxidative speciesVSAvoidantioxidant efficacy

Core Design Contradiction:

ProductivityVSReliability

Solution Approach 1:

The patent modifies the chemical structure by replacing the dimethylbenzimidazole ligand with water coordination in cobinamide. This parameter change increases the reaction rates with reactive oxygen species (superoxide, hydrogen peroxide, peroxynitrite) while maintaining antioxidant efficacy, thereby resolving the contradiction between productivity and reliability.

Inventive Principle:

Principle #35Parameter changes

3Adaptability or versatility

If cobalamin structure is used, then it provides biological activity, but the bulky dimethylbenzimidazole ligand reduces cobalt affinity for ligands in trans position

Engineering Contradiction:

Improvebiological activityVSAvoidreduced ligand affinity

Core Design Contradiction:

Adaptability or versatilityVSObject-affected harmful factors

Solution Approach 1:

The patent extracts the dimethylbenzimidazole ligand from the cobalamin structure to create cobinamide. This extraction eliminates the steric hindrance caused by the bulky ligand, thereby increasing cobalt's affinity for ligands in the trans position while preserving the essential biological activity through the retained corrin ring and cobalt center.

Inventive Principle:

Principle #2Taking out (Extraction)

4Reliability

If cobinamide is administered to treat oxidative stress in diabetes, then it reduces oxidative stress and vascular disease, but requires effective dosing to outperform existing treatments

Engineering Contradiction:

Improveeffectiveness in diabetic vascular disease treatmentVSAvoiddosage requirements

Core Design Contradiction:

ReliabilityVSQuantity of substance

Solution Approach 1:

The patent utilizes the optimized chemical parameters of cobinamide (higher ligand affinity, enhanced stability, faster reaction rates) to achieve superior therapeutic effects at effective doses. The dosing regimens (e.g., 1-10 mg/kg daily) reflect the optimized potency resulting from the structural parameter changes that improve molecular efficiency.

Inventive Principle:

Principle #35Parameter changes

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

Cobinamide demonstrates superior reaction rates with oxidative species, effectively reducing oxidative stress, lipid oxidation, protein damage, and fibrosis in diabetic models, outperforming other antioxidants in cellular and animal studies.

Implementation Method 1

cobinamide... Coordinating with ligands, mimicking superoxide dismutase and catalase, effectively neutralizing reactive species like O2·−, H2O2, and ONOO−

Methodology Applied

Scientific EffectLigand coordination:

Implementation Method 2

cobinamide... acts as a potent antioxidant by coordinating with ligands, mimicking superoxide dismutase and catalase, effectively neutralizing reactive species

Methodology Applied

Scientific EffectAntioxidant activity:

Implementation Method 3

cobinamide... mimicking superoxide dismutase... effectively neutralizing reactive species like O2·−

Methodology Applied

Scientific EffectSuperoxide dismutase mimetic activity:

Implementation Method 4

cobinamide... mimicking... catalase, effectively neutralizing reactive species like... H2O2

Methodology Applied

Scientific EffectCatalase mimetic activity:

Data Source

PatentUS20260069606A1Oxidative Stress and Diabetes Treatment with Cobinamide

Publication Date: 2026.03.12 RGT UNIV OF CALIFORNIA

AI summary

Compositions and methods for treating oxidative stress, and conditions where oxidative stress contributes to conditions such as diabetes, in a subject by administering an effective amount of cobinamide. Oxidative stress can be caused by, for example, increased levels of reactive oxygen species (ROS) and reactive nitrogen species (RNS) in the patient. Compositions and methods for treating oxidative stress that contributes to diabetes-associated conditions such as cardiac fibrosis, and to aortic aneurysm, lipid or protein oxidation, or DNA damage, in a subject by administering an effective amount of cobinamide.