APE1 Redox Modulation for Neuroprotection
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current cancer therapies, such as those involving ionizing radiation and platinum-containing drugs, often cause neurological side effects like cognitive dysfunction and chemotherapy-induced peripheral neuropathy due to oxidative DNA damage, with no effective standard treatments available to prevent or reverse these neurotoxicities.
Innovation Solution
The development of compounds, including E3330, which selectively modulate the redox function of APE1, providing neuroprotective effects by enhancing the base excision repair pathway and reducing neuronal damage from chemotherapy and radiation-induced toxicity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If ionizing radiation or platinum-containing drugs are used for cancer therapy, then cancer treatment effectiveness is improved, but neurological side effects such as cognitive dysfunction and chemotherapy-induced peripheral neuropathy occur due to oxidative DNA damage
Solution Approach 1:
The patent introduces APE1 (apurinic/apyrimidinic endonuclease 1) as a mediator that selectively repairs oxidative DNA damage in neurons. The compound modulates APE1 activity to specifically protect neuronal cells from radiation- and chemotherapy-induced oxidative DNA damage without interfering with the cancer-killing mechanisms of the therapeutic agents, thus resolving the contradiction between treatment effectiveness and neurological side effects
Solution Approach 2:
The invention applies selective neuroprotection by targeting APE1 activity specifically in neuronal tissues. The compound enhances APE1-mediated base excision repair in neurons, providing localized protection against oxidative DNA damage in the nervous system while allowing cancer cells to undergo the intended DNA damage from therapy, thereby achieving local quality differentiation between protected neurons and targeted cancer cells
2Object-affected harmful factors
If compounds that enhance base excision repair pathway are administered, then neuronal damage from chemotherapy and radiation is reduced, but the mechanism of action requires selective modulation of APE1 redox function
Solution Approach 1:
The patent extracts and isolates the redox function of APE1 from its other cellular functions. The compound specifically targets and modulates the redox activity of APE1, separating this function from the complex web of APE1's roles in DNA repair and cellular metabolism. This selective extraction of the redox function provides a simplified mechanism for achieving neuroprotection without requiring modulation of the entire APE1 system
Solution Approach 2:
The invention changes the functional state of APE1 by modulating its redox parameters. The compound alters the oxidation-reduction state of APE1, transforming it from a potentially harmful state (where APE1 may contribute to oxidative stress) to a protective state (where APE1 effectively repairs oxidative DNA damage). This parameter change provides a precise and controllable mechanism for enhancing neuronal protection
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, treat, and reverse neuronal damage by enhancing the repair function of APE1, reducing neurotoxicity and improving the quality of life for cancer survivors without harming normal cells.
Implementation Method 1
enhancing the base excision repair pathway
Implementation Method 2
oxidative DNA damage
Implementation Method 3
selectively modulate the redox function of APE1
Data Source
AI summary
Compounds, compositions, and formulations, and accompanying methods useful for treating disorders arising from oxidative DNA damage, including oxidative DNA damage resulting from ionizing radiation or other therapy are described herein.