GAPDH Nitrosylation Blockade for Cocaine Neurotoxicity

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Solution Overview

Problem

Current treatments for drug abuse, particularly cocaine, are inadequate in preventing both behavioral stimulant and neurotoxic effects, as they do not effectively address the molecular pathways involved in cocaine's action on the brain.

Innovation Solution

Administering compounds such as CGP3466B or Deprenyl to block the nitrosylation of glyceraldehyde-3-phosphate dehydrogenase (GAPDH) by nitric oxide, inhibit GAPDH's binding to Siah, and prevent its nuclear translocation, thereby disrupting the signaling cascade that mediates cocaine's behavioral and neurotoxic actions.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If conventional treatments are used for cocaine abuse, then general symptom management is provided, but the molecular pathways mediating stimulant and neurotoxic effects are not effectively blocked

Engineering Contradiction:
Improveeffectiveness of treatmentVSAvoidmolecular pathway targeting complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent uses CGP3466B as an intermediary compound that specifically blocks the nitrosylation of GAPDH by nitric oxide, thereby interrupting the molecular pathway between cocaine administration and its downstream effects on transcription factors and gene expression. This intermediary approach provides reliable treatment by targeting a specific molecular mediator in the pathway.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Reliability

If GAPDH nitrosylation is blocked using compounds like CGP3466B, then both stimulant and neurotoxic pathways are prevented, but the complexity of targeting specific molecular pathways increases

Engineering Contradiction:
Improveprevention of stimulant and neurotoxic effectsVSAvoidmolecular pathway targeting complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent changes the chemical parameter of the treatment by using CGP3466B, a compound with specific chemical properties that enable it to block nitrosylation of GAPDH. This parameter change (introducing a specific chemical agent with defined molecular characteristics) provides reliable prevention of both stimulant and neurotoxic effects while managing the complexity through focused molecular targeting.

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

These compounds effectively prevent the stimulant and neurotoxic effects of cocaine by blocking the NO-GAPDH pathway, reducing locomotor sensitization, conditioned place preference, and neurotoxicity, and may have broader applications in treating other drug abuse by targeting the same molecular pathway.

Implementation Method 1

block the nitrosylation of glyceraldehyde-3-phosphate dehydrogenase (GAPDH) by nitric oxide

Methodology Applied
Scientific EffectNitrosylation: Chemical Bonding

Data Source

PatentUS9937144B2Treatment of drug abuse by preventing GAPDH nitrosylation
Publication Date: 2018.04.10 JOHNS HOPKINS UNIVERSITY
  • US9937144B2 patent drawing
  • US9937144B2 patent drawing
  • US9937144B2 patent drawing

AI summary

The present invention relates to the field of drug abuse. More specifically, the present invention provides methods and compositions for treating drug abuse by preventing GAPDH nitrosylation. In one specific embodiment, a method for preventing the stimulant and neurotoxic effects of cocaine comprises the step of administering a compound that prevents the nitrosylation of glyceraldehyde-3-phosphate dehydrogenase (GAPDH) by nitric oxide (NO). In another embodiment, a method for preventing the stimulant and neurotoxic effects of cocaine comprises the step of administering a compound that prevents the binding of GAPDH to Siah.