Phagocyte Function Evaluation via sCD14-ST Humoral Factor Assay
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional methods for assessing phagocytic function are time-consuming, cumbersome, and lack specificity, relying on preliminary labeling, cultivation, and specialized equipment, and there is a need for a stable humoral factor that can serve as a marker for phagocytosis.
Innovation Solution
The method involves measuring sCD14-ST, a phagocytosis-specific humoral factor produced by phagocytes upon engagement with substances to be engulfed, which is stable and can be used to evaluate phagocytic function and detect diseases associated with phagocytosis.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If conventional methods (latex particle engagement, fluorescence-labeled substance engagement, bacterial cultivation, oxygen radical detection) are used to assay phagocytic function, then phagocytic activity can be detected, but the methods are time-consuming, cumbersome, and lack specificity
Solution Approach 1:
The patent introduces sCD14-ST as an intermediary humoral factor that mediates between phagocytic activity and detectable signal. Instead of directly detecting phagocytes or using complex labeling procedures, the method detects sCD14-ST which is produced as a result of phagocytosis, providing a simpler and more specific assay that reduces time and complexity
Solution Approach 2:
The patent changes the detection parameter from direct cellular analysis (requiring microscopy or flow cytometry) to measurement of a soluble molecular marker (sCD14-ST) in body fluids. This parameter change enables simpler, faster, and more specific detection of phagocytic function through quantitative measurement of the humoral factor
2Ease of operation
If conventional methods are used, then phagocytic function can be assessed, but they require specialized equipment and preliminary labeling procedures
Solution Approach 1:
The patent extracts the essential information about phagocytic function from complex cellular processes and isolates it into a single measurable component - sCD14-ST. This extraction eliminates the need for complex labeling procedures, specialized microscopy equipment, and elaborate sample preparation, making the assay simple and convenient
Solution Approach 2:
Instead of directly observing phagocytes undergoing phagocytosis (which requires specialized equipment), the method uses sCD14-ST as a copy or proxy that contains information about phagocytic activity. This copying approach simplifies the assay by replacing complex direct observation with simpler molecular measurement
3Measurement precision
If sCD14-ST is measured to evaluate phagocytic function, then specificity and convenience are improved, but the method requires identification and quantification of a specific humoral factor
Solution Approach 1:
sCD14-ST serves as a reliable intermediary marker that specifically reflects phagocytic activity. By measuring this humoral factor instead of directly observing phagocyte function, the method achieves high specificity while simplifying the detection process through standard molecular measurement techniques
Data Source
AI summary
A novel convenient method for evaluating the function of a phagocyte is provided. The method assays sCD14-ST, which is a humoral factor specifically produced in phagocytosis by the phagocyte and which is stable enough for use in an assay. Also provided is a method for detecting diseases associated with the phagocytosis by the phagocyte.