Cell Stratification via Perturbation Response Segmentation
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Solution Overview
Problem
Existing methods for studying eukaryotic cell responses to perturbations, such as therapeutic treatments, fail to account for individual genetic variations, leading to inconsistent results and limited understanding of differential responses within cell populations.
Innovation Solution
A method involving a library of eukaryotic cells of the same type, perturbed uniformly to observe and stratify their responses, allowing for grouping based on similar or differing reactions, utilizing induced pluripotent stem cells (iPSCs) and advanced imaging and molecular analysis techniques.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a library of eukaryotic cells of the same type is perturbed uniformly, then the response observation can identify subgroups with similar responses, but the complexity of analyzing and stratifying cell responses increases
Solution Approach 1:
The patent segments the eukaryotic cell library into subgroups based on their response profiles to the perturbation. By dividing the heterogeneous cell population into homogeneous subgroups with similar responses, the method simplifies the analysis of individual cell responses while maintaining the ability to identify variations. This segmentation approach reduces the complexity of analyzing the entire diverse population by focusing on standardized response patterns within each subgroup.
2Loss of information
If genetic variations between individuals are accounted for in cell responses, then understanding of differential responses improves, but the time required for comprehensive analysis increases
Solution Approach 1:
The patent performs preliminary stratification of cell lines into subgroups based on their response profiles before conducting comprehensive genetic analysis. This preliminary action organizes the data in advance, allowing researchers to focus genetic analysis time on specific subgroups that show differential responses, rather than analyzing the entire heterogeneous population uniformly. This reduces the overall time required while maintaining comprehensive understanding of genetic variations.
3Adaptability or versatility
If cell lines are stratified into subgroups based on response profiles, then the ability to reflect organism-level variations improves, but the complexity of implementing the stratification process increases
Solution Approach 1:
The patent uses induced pluripotent stem cells (iPSCs) as copies of patient-specific cell types that preserve the genetic variations and response profiles of the original tissue. By working with these cellular copies rather than the actual patient tissues, the method enables systematic stratification into subgroups that reflect organism-level variations. The iPSC copies can be standardized for analysis while maintaining the unique genetic characteristics needed to model individual variations.
Data Source
AI summary
Methods of studying eukaryotic cell responses to a perturbation, or of stratifying eukaryotic cells or cell lines into one or more subgroups are described. The methods involve perturbing a library of cells or cell lines in the same manner, and observing how the cells respond to the same perturbation. The observation may be via a high throughput screening method, for example, cell painting; and the perturbation may be, for example, exposure to a therapeutic agent.The methods may be used for grouping cells or cell lines that respond similarly to a given therapeutic agent, which may be useful for identifying patient groups and selecting appropriate treatments.