Cellular Reprogramming Compositions for Cardiomyocyte Maturation
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Solution Overview
Problem
Current strategies for heart tissue regeneration after myocardial infarction are limited due to the heart's limited capacity for self-renewal, leading to diminished function and the formation of scars, necessitating new approaches for organ regeneration.
Innovation Solution
The development of compositions and methods involving microRNAs (miRs) with sequences similar to miR-1, miR-126, miR-133, miR-133a, miR-206, miR-208, and miR-499, combined with NFκB activators, to enhance or inhibit cardiomyocyte maturation through direct reprogramming of precursor cells using Toll-like receptor 3 (TLR3) pathway agonists or inhibitors.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional heart tissue regeneration strategies are used, then existing treatment options are maintained, but the heart's limited capacity for self-renewal results in diminished function and scar formation
Solution Approach 1:
The patent changes the biological parameters of cells by introducing specific microRNA combinations (miR-1, miR-133, miR-208, miR-499) and NFκB activators to transform fibroblasts into functional cardiomyocytes, thereby overcoming the heart's limited natural regeneration capacity
Solution Approach 2:
The patent uses Toll-like receptor 3 (TLR3) pathway agonists as intermediaries to activate NFκB signaling, which mediates the reprogramming process and enables controlled differentiation of precursor cells into mature cardiomyocytes
2Productivity
If cardiomyocyte maturation is enhanced through reprogramming, then heart tissue regeneration is improved, but precise control over the maturation process is required to avoid abnormal development
Solution Approach 1:
The patent segments the reprogramming process into distinct components: specific microRNA combinations for lineage commitment, TLR3 agonists for pathway activation, and NFκB activators for maturation control, allowing independent optimization of each element
Solution Approach 2:
The patent employs a composite reprogramming composition combining multiple microRNAs (miR-1, miR-133, miR-208, miR-499) with NFκB activators and TLR3 agonists, where each component contributes specific functions to achieve synergistic cardiomyocyte maturation
3Quantity of substance
If direct reprogramming of precursor cells is used, then new heart tissue can be generated, but the process requires precise temporal and spatial control of maturation
Solution Approach 1:
The patent applies preliminary action by first establishing lineage commitment through microRNA transfection before activating maturation pathways with TLR3 agonists and NFκB activators, ensuring cells are properly primed for efficient maturation
Solution Approach 2:
The patent implements periodic action through staged treatment protocols where cells receive sequential exposures to different reprogramming factors at optimized time points, with maturation promoted at specific intervals to mimic natural development timing
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 controls cardiomyocyte maturation, enhancing or inhibiting the process as needed, thereby potentially improving heart tissue regeneration and function post-infarction.
Implementation Method 1
an activator of NFκB
Implementation Method 2
through direct reprogramming of precursor cells using Toll-like receptor 3 (TLR3) pathway agonists or inhibitors
Data Source
AI summary
Disclosed herein are compositions and methods for cellular reprogramming. The compositions comprise one or more miRs and an activator of NFκB. Also provided are methods for enhancing or upregulating cardiomyocyte maturation in a cell or a subject and methods for inhibiting or downregulating cardiomyocyte maturation.