Antisense Oligonucleotides for Alpha-Synuclein Inhibition

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Solution Overview

Problem

There is a lack of effective treatments for neurodegenerative diseases such as Parkinson's disease, dementia, multiple system atrophy, and Alzheimer's disease, which are associated with the misfolding and aggregation of alpha-synuclein protein.

Innovation Solution

The development of methods, compounds, and compositions that specifically inhibit the expression of alpha-synuclein mRNA and protein, using alpha-synuclein specific inhibitors such as nucleic acids, proteins, antibodies, or small molecules, to reduce alpha-synuclein levels in cells and tissues, particularly in the brain.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If alpha-synuclein expression is inhibited to treat neurodegenerative diseases, then disease progression is slowed, but potential off-target effects and safety issues arise

Engineering Contradiction:
Improvedisease treatment effectivenessVSAvoidoff-target effects
Core Design Contradiction:
ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The patent employs antisense oligonucleotides with specific sequence complementarity to target only alpha-synuclein mRNA, ensuring localized action at the molecular level. The oligonucleotides are designed to bind specifically to the alpha-synuclein gene sequence, preventing translation only for this protein while leaving other proteins unaffected, thus resolving the contradiction between effective targeting and avoiding off-target effects.

Inventive Principle:
Principle #3Local quality

Solution Approach 2:

The patent uses antisense oligonucleotides as intermediary molecules that mediate between the therapeutic goal (reducing alpha-synuclein) and the potential harm (off-target effects). These oligonucleotides act as precise intermediaries that can be designed to bind only to the specific mRNA sequence, serving as a controlled mechanism to reduce protein expression without affecting other cellular processes.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Adaptability or versatility

If multiple types of inhibitors are developed to target alpha-synuclein, then treatment options increase, but complexity of the therapeutic approach increases

Engineering Contradiction:
Improvetreatment optionsVSAvoidtherapeutic approach complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent segments the inhibition strategy into different classes of inhibitors (antisense oligonucleotides, small molecules, antibodies) targeting different aspects of alpha-synuclein expression or function. This segmentation allows for specialized development of each inhibitor type optimized for its specific mechanism, while the overall approach remains coordinated through a unified therapeutic strategy focused on reducing alpha-synuclein pathology.

Inventive Principle:
Principle #1Segmentation

Data Source

PatentUS20250136982A1Modulation of alpha synuclein expression
Publication Date: 2025.05.01 IONIS PHARMACEUTICALS INC
  • US20250136982A1 patent drawing
  • US20250136982A1 patent drawing
  • US20250136982A1 patent drawing

AI summary

Disclosed herein are antisense compounds and methods for decreasing alpha-synuclein mRNA and protein expression. Also disclosed herein are methods for treating, preventing, and ameliorating neurodegenerative diseases in an individual in need thereof.