Random Copolymer Inducing Caspase Activity in Colorectal Cancer
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Solution Overview
Problem
Current treatments for colorectal cancer lack effective methods to induce caspase activity, which is essential for apoptosis, a desirable form of cell death that can help combat cancer cells.
Innovation Solution
A random copolymer treatment compound, specifically a poly(ethylene glycol-ran-propylene glycol) copolymer, is used to induce caspase activity in cancer cells by contacting them with a solution containing the compound, which can include varying proportions of ethylene oxide and propylene oxide units, achieving effective concentrations in vitro or in vivo.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional treatments for colorectal cancer are used, then treatment can be provided, but they lack effective methods to induce caspase activity and apoptosis
Solution Approach 1:
The patent employs parameter changes by modifying the chemical structure of polymeric compounds to create a random copolymer with specific properties. The copolymer consists of ethylene oxide units and propylene oxide units in a specific ratio (x+y from 4 to 20,000), with R1 and R2 groups that are different (one hydrogen and one hydroxyl group). This structural parameter change enables the compound to induce caspase activity and apoptosis in colorectal cancer cells, addressing the limitation of conventional treatments that cannot effectively trigger these biological responses.
2Reliability
If polymeric compounds are used for treatment, then treatment efficacy can be improved, but laxative side effects increase
Solution Approach 1:
The patent applies local quality by designing a copolymer with non-uniform structure where different units (ethylene oxide and propylene oxide) have different properties. The random arrangement of these units creates localized variations in the polymer chain that affect how the compound interacts with biological systems. This structural heterogeneity allows the compound to maintain high treatment efficacy while reducing unwanted laxative effects compared to more uniform polymeric compounds.
Solution Approach 2:
The invention uses a composite material approach by creating a copolymer that combines two different monomer units (ethylene oxide and propylene oxide) with distinct chemical properties. This composite structure leverages the beneficial properties of both units while minimizing their individual drawbacks, resulting in a material that provides effective cancer treatment with reduced side effects.
Data Source
AI summary
Embodiments are directed towards methods of inducing caspase activity. The methods include contacting a cell with a treatment compound represented by the following Formula (I), where the treatment compound is a random copolymer, R1 is selected from hydrogen and a hydroxyl group, R2 is selected from hydrogen and a hydroxyl group, R1 is different than R2, and a sum of x and y is from 4 to 20,000.