Organotypic CNS Slices Co-cultured with Stem Cells
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing methods for maintaining the viability and integrity of organotypic slices derived from central nervous system tissue are limited in terms of longevity, as they tend to degrade quickly without additional support.
Innovation Solution
Co-culturing organotypic slices with a population of stem cells, which extends the viability and integrity of the slices by providing a supportive environment that can enhance their lifespan, potentially correlating with the number of stem cells present.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If organotypic slices are cultured without additional support, then they are easier to maintain initially, but their viability and integrity degrade quickly
Solution Approach 1:
The patent introduces stem cells as an intermediary element that mediates between the organotypic slice and the culture environment. The stem cells form a supportive cellular environment that secretes trophic factors and provides structural support, thereby extending the lifespan of the organotypic slice while maintaining its viability and integrity throughout the extended culture period
2Duration of action of stationary object
If stem cells are added to extend lifespan, then viability is maintained longer, but the system becomes more complex
Solution Approach 1:
The patent merges two cellular systems (organotypic slice cells and stem cells) into a co-culture system where both cell types contribute to the overall functionality. The stem cells are integrated into the existing organotypic slice culture protocol, combining the structural integrity of the slice with the regenerative capacity of stem cells in a unified culture system
Data Source
AI summary
An organotypic slice and a method of preparing an organotypic slice from a central nervous system tissue, wherein the organotypic slice comprises a brain slice obtained from a brain wherein mature synapses have not been established and the organotypic slice is seeded with a population of stem cells; wherein the organotypic slice has enhanced viability as compared to an organotypic slice comprising a similar brain slice not seeded with a population of stem cells.