Self-Assembling Peptides for Periodontal Tissue Regeneration
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Solution Overview
Problem
There is a need for synthetic compositions and materials that mimic the native cellular environment for tissue engineering, particularly for applications involving implantation into the body, without causing immune or inflammatory responses, and that are degradable and capable of influencing cell properties and functions in desirable ways, especially for periodontal tissue regeneration where animal-derived biomaterials pose risks.
Innovation Solution
A novel class of self-assembling peptides with specific sequences, such as VEVK, VEVKVEVKV, and VEVKVEVKVEVK, that can self-assemble into macroscopic structures, incorporating biologically active motifs like laminin cell adhesion motifs or RGD peptides, and are designed for tissue regeneration, including periodontal tissue regeneration, by promoting cell attachment, proliferation, and extracellular matrix production.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If animal-derived biomaterials are used for periodontal tissue regeneration, then tissue regeneration is promoted, but the risk of transferring infection agents from animals to humans increases
Solution Approach 1:
The patent creates synthetic peptide copies that mimic the structure and function of natural extracellular matrix proteins. The self-assembling peptides replicate the nanofiber architecture and biological activity of animal-derived biomaterials without using actual animal products, thereby eliminating infection risk while maintaining regenerative effectiveness
Solution Approach 2:
The patent employs synthetic peptides that are inexpensive to produce through chemical synthesis rather than animal extraction. These synthetic materials can be easily manufactured, sterilized, and disposed of without the biosafety concerns associated with animal-derived products
2Reliability
If animal-derived biomaterials are used for periodontal tissue regeneration, then tissue regeneration is promoted, but the difficulty of handling animal-derived biomaterials increases
Solution Approach 1:
The synthetic peptides replicate the essential functional properties of animal-derived biomaterials through carefully designed amino acid sequences that self-assemble into nanofiber structures similar to natural extracellular matrix, providing comparable handling characteristics and surgical workability
Solution Approach 2:
The patent modifies physical and chemical parameters such as peptide sequence, molecular weight, and self-assembly conditions to optimize handling properties. The peptides can be formulated in stable solutions that are easy to apply and control during surgical procedures
3Reliability
If self-assembling peptides are designed to mimic native extracellular matrix, then cell attachment and proliferation are promoted, but the complexity of peptide design and synthesis increases
Solution Approach 1:
The patent divides the complex extracellular matrix function into discrete peptide segments with specific amino acid sequences. Each peptide is designed with modular domains that perform individual functions (self-assembly, cell binding, signaling), which can be independently optimized and combined
Solution Approach 2:
The patent systematically varies peptide parameters such as sequence length, amino acid composition, charge distribution, and hydrophobicity to achieve desired self-assembly behavior and biological activity. This parameter optimization approach allows rational design without requiring overly complex structures
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
These self-assembling peptides effectively promote periodontal ligament fibroblast attachment, proliferation, migration, and extracellular matrix protein production, offering a safe and effective alternative to animal-derived biomaterials for tissue regeneration by creating a scaffold that mimics the natural extracellular matrix.
Implementation Method 1
The class of self-assembling peptide materials can undergo spontaneous assembly into well-ordered nanofibers and scaffolds
Implementation Method 2
the scaffolds are biodegradable by a variety of proteases in a body
Data Source
AI summary
The invention relates to a novel class of self-assembling peptides, compositions thereof, methods for the preparation thereof and methods of use thereof. The invention also encompasses methods for tissue regeneration, increasing the production of extracellular matrix proteins, and methods of treatment comprising administering self-assembling peptides.