Multiplexed 3D Cell Niche Analysis via Flow Cytometry

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Solution Overview

Problem

Current methods for analyzing cell niches in cancer research are limited by low throughput, destructiveness, and inability to non-destructively measure multiple cell parameters in 3D environments with high statistical confidence, hindering the study of tumor cell interactions and the effects of external interventions.

Innovation Solution

A method involving high-throughput analytical systems like flow cytometry to acquire and analyze interrogation data from microstructures, including cells suspended in polymers, based on shape, size, and fluorescence, enabling multiplexed analysis and sorting of microstructures with unique barcoding systems.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If flow cytometry is used to analyze cell niches, then throughput and speed are improved, but the ability to study 3D microenvironments is lost

Engineering Contradiction:
ImprovethroughputVSAvoid3D microenvironment analysis capability
Core Design Contradiction:
ProductivityVSAdaptability or versatility

Solution Approach 1:

The patent creates microfluidic devices that replicate 3D tissue microenvironments with controlled architecture, cell positioning, and extracellular matrix composition. These microfluidic copies allow flow cytometry-style high-throughput analysis while preserving the essential 3D structural features needed for studying cell-niche interactions.

Inventive Principle:
Principle #26Copying

Solution Approach 2:

The patent embeds multiple functional components within microfluidic devices, including 3D cell culture chambers, integrated imaging systems, and automated analysis modules. This nesting allows the system to maintain 3D microenvironment complexity while achieving high-throughput automated analysis through integrated flow-based processing.

Inventive Principle:
Principle #7Nested doll (Nesting)

2Reliability

If high replicate numbers are used to increase statistical confidence, then measurement reliability is improved, but time consumption increases

Engineering Contradiction:
Improvestatistical confidenceVSAvoidtime consumption
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The patent implements continuous flow cytometry-based analysis systems that process thousands of cell niches in uninterrupted sequences. The automated microfluidic platforms maintain continuous operation with minimal downtime between replicates, enabling rapid acquisition of high replicate numbers without proportional increases in total experiment time.

Inventive Principle:
Principle #20Continuity of useful action

Solution Approach 2:

The patent employs high-dimensional parameter analysis where multiple parameters (fluorescence intensity, cell size, shape, texture features) are measured simultaneously for each cell niche. This multiparametric approach extracts maximum information from each replicate, reducing the total number of replicates needed to achieve desired statistical power.

Inventive Principle:
Principle #35Parameter changes

3Measurement precision

If destructive methods are used for analysis, then measurement precision is improved, but sample manipulation capability is lost

Engineering Contradiction:
Improvemeasurement precisionVSAvoidfurther sample manipulation
Core Design Contradiction:
Measurement precisionVSAdaptability or versatility

Solution Approach 1:

The patent employs non-destructive imaging and flow cytometry-based analysis methods that allow cell niches to be examined without physical disruption. The live-cell imaging capabilities and automated microscopy systems enable repeated measurements on the same samples, allowing further manipulation and long-term monitoring without sacrificing measurement precision.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The patent uses optical imaging and fluorescence-based detection as intermediary methods that provide precise measurement information without direct physical contact or destruction of the cell niches. These optical intermediaries enable high-precision quantification of cellular parameters while preserving sample integrity for subsequent manipulations.

Inventive Principle:
Principle #24Intermediary (Mediator)

4Adaptability or versatility

If multiple cell parameters are measured simultaneously, then multiplexing capability is improved, but system complexity increases

Engineering Contradiction:
Improvemultiplexing capabilityVSAvoidsystem complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent develops integrated microfluidic platforms that combine multiple functions including cell culture, imaging, flow analysis, and automated data processing within single devices. These universal platforms can measure multiple cell parameters simultaneously using standardized protocols and detection systems, reducing the need for separate specialized equipment for each measurement type.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent merges multiple analysis techniques (flow cytometry, imaging cytometry, spectroscopy) into unified measurement systems. By combining detection modalities and integrating data acquisition pipelines, the system achieves high multiplexing capability while managing complexity through coordinated operation of merged components rather than separate independent systems.

Inventive Principle:
Principle #5Merging (Combining)

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

Enables high-replicate, rapid, and non-destructive analysis of 3D cell-material niches, increasing multiplexing capabilities and statistical confidence, allowing for the study of complex cell interactions and responses to interventions with high accuracy.

Implementation Method 1

acquiring interrogation data associated with a microstructure in a population at a structure concentration of at least 100 microstructures/μL

Methodology Applied
Scientific EffectLight scattering: Scattering

Implementation Method 2

the acquired interrogation data can be indicative of at least one of the shape, size, or fluorescence of the microstructure

Methodology Applied
Scientific EffectFluorescence: Fluorescence

Data Source

PatentUS10591403B2Multiplexed analysis of cell-materials in niches
Publication Date: 2020.03.17 GEORGIA TECH RES CORP
  • US10591403B2 patent drawing
  • US10591403B2 patent drawing
  • US10591403B2 patent drawing

AI summary

Embodiments of the present disclosure can comprise a method for multiplexed analysis. The method can comprise acquiring interrogation data associated with a microstructure in a population and analyzing the microstructure based on the interrogation data. In some embodiments, the microstructure can have a different shape than at least another microstructure in the population and comprise a plurality of cells. Additionally, the acquiring the interrogation data can comprise acquiring interrogation data of microstructures in a population at a structure concentration of at least 100 microstructures/μL. Therefore, in some embodiments, acquiring the interrogation data can comprises flowing the population through a flow cytometer.