Reprogramming Aged Stem Cells Using Young Cell Filtrate
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Solution Overview
Problem
Adult stem cells lose functional quality with age, contributing to age-related diseases such as diabetes, immunological disorders, and cardiovascular disease, necessitating novel methodologies for reprogramming to restore youthful function.
Innovation Solution
The method involves obtaining young adult stem cells, lysing them to generate an intracellular matrix, filtering it, and applying the filtrate to aged adult stem cells for reprogramming, which results in a reduced number of breast cancer cells in bone marrow and increased expression of specific genes associated with youthful function.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If aged adult stem cells are used, then tissue homeostasis is maintained, but functional quality is lost
Solution Approach 1:
The patent applies parameter changes by exposing aged adult stem cells to the intracellular matrix from young adult stem cells, which induces reprogramming. This process alters the functional parameters of the aged cells, restoring youthful characteristics and functional quality while maintaining the cells' identity and structure.
Solution Approach 2:
The intracellular matrix from young adult stem cells serves as an intermediary substance that mediates the reprogramming process. It contains bioactive molecules and signaling factors that transfer developmental and functional information to aged stem cells, enabling functional rejuvenation without direct cell replacement.
2Reliability
If reprogramming is applied to aged adult stem cells, then functional quality is restored, but cancer cell presence increases
Solution Approach 1:
The patent extracts and removes harmful factors through a filtration process. The intracellular matrix is filtered through a membrane with a specific pore size (0.4 micron or less), which separates and removes potentially harmful components while allowing beneficial reprogramming factors to pass through to the aged stem cells.
Solution Approach 2:
The reprogramming process induces parameter changes in aged stem cells, restoring youthful gene expression patterns and functional characteristics. This transformation reduces cancer cell presence by reversing age-related functional decline and restoring proper cell cycle control and differentiation capabilities.
3Object-affected harmful factors
If filtration is applied to the lysate, then harmful components are removed, but reprogramming efficiency is reduced
Solution Approach 1:
The patent optimizes the filtration parameters by selecting a specific pore size (0.4 micron or less) that balances removal of harmful components with retention of beneficial reprogramming factors. This parameter optimization ensures that the filtration process does not excessively reduce reprogramming efficiency while still removing harmful elements.
Solution Approach 2:
The filtration process creates a simplified version of the intracellular matrix that retains the essential reprogramming functions. The filtered lysate serves as a concentrated source of bioactive molecules that can effectively reprogram aged stem cells without the interference of harmful components present in the original lysate.
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
This approach effectively reprograms aged adult stem cells to exhibit improved functional quality and reduced cancer cell presence, promoting tissue homeostasis and potentially treating age-related diseases.
Implementation Method 1
lysing the YASC to generate a lysate comprising an intracellular matrix (ICM) and other cellular components
Implementation Method 2
filtering the lysate through a filter having a membrane size of equal to or less than 0.4 micron to obtain a filtrate
Implementation Method 3
the R-AASC have an increase in expression of calreticulin and galactosidase-β1 of equal to or greater than about 1.5 fold when compared to the AASC
Data Source
AI summary
A method comprising (a) obtaining young adult stem cells (YASC) from a first subject; (b) lysing the YASC to generate a lysate comprising an intracellular matrix (ICM) and other cellular components; (c) filtering the lysate through a filter having a membrane size of equal to or less than 0.4 micron to obtain a filtrate; and (d) applying the filtrate to a culture of aged adult stem cells (AASC) for a time period ranging from about 24 hours to about 30 days to generate a reprogrammed AASC (R-AASC) wherein the AASC were obtained from a second subject and wherein the R-AASC when infused into a breast cancer stem model results in a reduced number of breast cancer cells in bone marrow in comparison to a breast cancer stem model having AASC that have not been reprogrammed.