Guanidine Derivative PPARδ Activator for Transcriptional Activity

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Solution Overview

Problem

Current PPARδ activators do not effectively activate the transcriptional activity of PPARδ, which is crucial for regulating lipid metabolism and improving exercise tolerance.

Innovation Solution

The use of guanidine derivatives or biguanidine derivatives as active ingredients, which bind to the ligand-binding pocket of PPARδ, forming hydrogen bonds with specific amino acid residues, thereby activating the transcriptional activity of PPARδ.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If conventional PPARδ activators (phenoxyacetic acid derivatives) are used, then the basic chemical structure is established, but the transcriptional activity of PPARδ is not effectively activated

Engineering Contradiction:
Improvetranscriptional activity activationVSAvoidbinding effectiveness to PPARδ
Core Design Contradiction:
ReliabilityVSAdaptability or versatility

Solution Approach 1:

The patent changes the chemical structure parameters of PPARδ activators by introducing guanidine and biguanidine derivatives with specific functional groups (amino groups at positions 1, 3, and 5) to enhance binding effectiveness and transcriptional activity activation, resolving the inadequacy of conventional phenoxyacetic acid derivatives

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The patent applies local quality by positioning specific amino groups at precise locations on the guanidine/biguanidine derivative structures to form targeted hydrogen bonds with PPARδ amino acid residues, thereby locally enhancing the binding interaction and transcriptional activation effectiveness

Inventive Principle:
Principle #3Local quality

2Productivity

If PPARδ activators are developed to enhance exercise-induced effects, then exercise endurance is improved, but the mechanism for effective PPARδ activation remains insufficient

Engineering Contradiction:
Improveexercise endurance enhancementVSAvoidPPARδ activation mechanism
Core Design Contradiction:
ProductivityVSReliability

Solution Approach 1:

The patent introduces guanidine and biguanidine derivatives as intermediary compounds that mediate between the PPARδ receptor and the desired physiological effect, providing a reliable mechanistic bridge that activates PPARδ transcriptional activity to enhance exercise endurance and metabolic effects

Inventive Principle:
Principle #24Intermediary (Mediator)

3Adaptability or versatility

If new PPARδ agonist structures are designed, then binding to PPARδ is achieved, but the transcriptional activation ability is not optimized

Engineering Contradiction:
Improvebinding capability to PPARδVSAvoidtranscriptional activation efficiency
Core Design Contradiction:
Adaptability or versatilityVSReliability

Solution Approach 1:

The patent creates composite molecular structures by combining guanidine or biguanidine cores with various substituent groups (R1, R2, R3) to produce compounds that simultaneously achieve strong binding capability to PPARδ and optimized transcriptional activation efficiency through the synergistic effect of the composite structure

Inventive Principle:
Principle #40Composite materials

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 proposed PPARδ activators effectively activate the transcriptional activity of PPARδ, leading to improved exercise tolerance and potential therapeutic benefits for metabolic disorders.

Implementation Method 1

forming hydrogen bonds with specific amino acid residues

Methodology Applied
Scientific EffectHydrogen bonding: Chemical Bonding

Data Source

PatentUS12268672B2PPARδ activator
Publication Date: 2025.04.08 THE JAPAN SCI & TECH AGENCY
  • US12268672B2 patent drawing
  • US12268672B2 patent drawing
  • US12268672B2 patent drawing

AI summary

The present invention provides a PPARδ activator containing a novel PPARδ agonist (peroxisome proliferator-activated receptor δ) as an active ingredient, and an exercise tolerance-improving agent containing the same as an active ingredient. The present invention is a PPARδ activator containing a guanidine derivative or a biguanidine derivative as an active ingredient, wherein the PPARδ activator activates transcriptional activity of PPARδ, and the guanidine derivative and the biguanidine derivative are capable of fitting within a PPARδ ligand binding pocket in a state where a guanidino group or a biguanidino group forms a hydrogen bond with amino acid residues corresponding to each of the 413th histidine, 287th histidine, 253rd threonine and the 437th tyrosine of human PPARδ, among amino acid residues constituting an interior surface of the ligand binding pocket; and is an exercise tolerance-improving agent containing the PPARδ activator as an active ingredient.