Perinatal Stem Cell Culturing for Homogeneous In Vitro Meat
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Solution Overview
Problem
Current methods for producing in vitro meat are cost-intensive, ethically challenging, and rely on adult stem cells with limited growth and differentiation capabilities, leading to heterogeneous cell quality and high environmental impact.
Innovation Solution
Isolate precursor cells from perinatal tissue, particularly umbilical cord mesenchymal stem cells, and induce myogenic differentiation using a serum-free medium with reduced methionine content, avoiding genetic manipulation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If adult stem cells (satellite cells) are used for in vitro meat production, then the method is simpler to implement, but the cell quality is heterogeneous and differentiation capability is limited
Solution Approach 1:
The patent changes the source parameter of stem cells from adult satellite cells to perinatal mesenchymal stem cells, which fundamentally alters the differentiation potential and homogeneity of the cell population. This parameter change resolves the contradiction by providing cells with both high differentiation capability and consistent quality.
Solution Approach 2:
The patent uses perinatal tissue (umbilical cord) which is a byproduct of birth, effectively utilizing a resource that would otherwise be discarded. This approach provides a sustainable, ethical, and consistent source of high-quality stem cells without requiring complex isolation procedures from adult muscle tissue.
2Object-affected harmful factors
If hematopoietic stem cells are used for in vitro meat production, then the cell source is ethically acceptable, but genetic manipulation is required
Solution Approach 1:
The patent extracts the differentiation capability directly from perinatal mesenchymal stem cells through cultural conditions alone, removing the need for genetic manipulation. The cells naturally differentiate into myogenic cells when exposed to specific culture conditions, eliminating the harmful factor of genetic engineering while maintaining ethical acceptability.
Solution Approach 2:
The perinatal mesenchymal stem cells possess inherent myogenic differentiation capability that is activated through appropriate culture conditions. The cells self-differentiate without requiring external genetic manipulation, making the process both ethically acceptable and technically simpler.
3Ease of manufacture
If standard culture medium is used for myogenic differentiation, then the differentiation process is simpler, but the efficiency and homogeneity of muscle cell formation is reduced
Solution Approach 1:
The patent modifies the culture medium composition by reducing methionine content to specifically trigger myogenic differentiation. This parameter change in the medium composition dramatically improves differentiation efficiency and muscle cell homogeneity while maintaining relative simplicity in the culturing process.
Data Source
AI summary
The present invention relates to a method for producing a composition which comprises animal protein, comprising (a) isolating precursor cells from perinatal tissue of a mammal; (b) incubating the precursor cells under conditions which lead to a myogenic differentiation of the precursor cells; and (c) harvesting the cells. The present invention also relates to a method for producing precursor cells from perinatal tissue, to animal protein produced according to the invention, and precursor cells produced according to the invention. The present invention further relates to the use of a culture medium which has a reduced content of methionine in comparison to standard medium, to the differentiation of precursor cells, and to a method for the in vitro production of a meat-like composition.