ACCS-B Cell-Derived Composition for Bone Growth
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Solution Overview
Problem
Current methods for promoting bone growth, regeneration, and repair lack effective cell-derived compositions that can up-regulate genes crucial for these processes, particularly in a safe and sustainable manner suitable for human clinical use.
Innovation Solution
A novel cell-derived composition, Amnion-derived Cellular Cytokine Solution-B (ACCS-B), is created by culturing Amnion-derived Multipotent Progenitor (AMP) cells in Basal Medium Eagle culture medium supplemented with human serum albumin and recombinant human EGF, which up-regulates genes important for bone growth and repair, and is formulated for sustained release.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If standard cell culture methods are used, then the culture process is simple and rapid, but genes important for bone growth and repair are not up-regulated
Solution Approach 1:
The patent applies parameter changes by modifying culture medium composition (adding specific growth factors like FGF-2, VEGF, TGF-β3), culture conditions (temperature, pH, oxygen levels), and cell handling protocols to up-regulate bone-related genes. These controlled parameter changes transform standard culture methods into a specialized system that achieves the desired gene expression without excessive complexity.
2Reliability
If cell-derived compositions are developed for bone repair, then bone growth and regeneration are promoted, but safety and sustainability for human clinical use are concerns
Solution Approach 1:
The patent extracts and isolates specific bone-regulating factors from cell culture media through purification processes. This extraction allows the identification and separation of active components (such as growth factors and cytokines) from the complex culture medium, enabling the development of purified therapeutic preparations that maintain efficacy while improving safety and sustainability for clinical applications.
Solution Approach 2:
The patent creates copies of natural bone-regulating molecules through recombinant DNA technology and cell-based production systems. By copying and producing these factors in controlled laboratory conditions, the patent achieves safe and sustainable therapeutic sources that replicate the beneficial effects of natural bone repair mechanisms without the risks associated with uncontrolled cell-derived products.
3Reliability
If AMP cells are cultured under specific conditions to up-regulate bone genes, then bone growth and repair are promoted, but the culture process becomes more complex and time-consuming
Solution Approach 1:
The patent applies preliminary action by pre-treating AMP cells with bone-stimulating factors and optimizing culture conditions before the actual bone repair process. This includes pre-seeding cells with growth factors, pre-adjusting media composition, and pre-establishing optimal culture parameters, which accelerates subsequent bone regeneration while maintaining reliability.
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
ACCS-B effectively promotes bone growth, regeneration, and repair by enhancing gene expression critical for these processes, offering a safe and sustainable therapeutic option for bone injuries and fractures, with demonstrated efficacy in both in vitro and in vivo models.
Implementation Method 1
culturing AMP cells under specific conditions such that genes important for bone growth and/or regeneration and/or repair promoting properties are up-regulated
Implementation Method 2
culturing Amnion-derived Multipotent Progenitor (AMP) cells in Basal Medium Eagle (BME) culture medium supplemented with human serum albumin and human EGF
Data Source
AI summary
The invention is directed to a cell-derived composition having bone growth, regeneration, and repair promoting properties. In particular, the invention is directed to a cell-derived composition having bone growth, regeneration, and repair promoting properties termed Amnion-derived Cellular Cytokine Solution-B (ACCS-B). The invention is further directed to the use of this composition to promote bone growth and/or regeneration and/or repair.