GRO-γ Chemokine Culture for MDSC Differentiation
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Solution Overview
Problem
There is a need for stable and safe myeloid-derived suppressor cells (MDSCs) generated ex vivo due to their immunosuppressive properties, which are promising for treating immunological diseases but require effective differentiation and cultivation methods.
Innovation Solution
The method involves obtaining precursor cells capable of differentiating into dendritic cells and culturing them in a medium containing GRO chemokines, such as GRO-γ, to drive differentiation towards a myeloid-derived suppressor cell-like phenotype, exhibiting immunosuppressive properties.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional methods are used to generate MDSCs, then cell production is achieved, but stability and safety are insufficient
Solution Approach 1:
The patent applies parameter changes by modifying the chemical composition of the culture medium, specifically incorporating GRO-γ chemokine at optimized concentrations to induce stable MDSC differentiation with desired immunosuppressive properties
Solution Approach 2:
The patent uses GRO-γ chemokine as an intermediary substance that mediates the differentiation process of precursor cells into stable MDSCs, enabling controlled ex vivo generation with improved reliability
2Manufacturing precision
If GRO-γ is used to drive differentiation, then MDSC-like phenotype is achieved, but differentiation control precision must be maintained
Solution Approach 1:
The patent applies local quality by adding GRO-γ specifically to the culture medium during the differentiation phase, creating a localized chemical environment that directs precursor cells toward MDSC phenotype without affecting other cellular processes
Solution Approach 2:
The patent uses preliminary action by pre-differentiating cells in GRO-γ containing medium before transplantation, ensuring cells achieve the desired MDSC-like phenotype and stable immunosuppressive properties prior to clinical application
Data Source
AI summary
This invention relates to an immunosuppressive cell, and methods of obtaining the cell and using the cell. The immunosuppressive cell is obtained by culturing a precursor cell in a medium that contains a GRO chemokine.