Mesoporous Silica Nanoparticle Carrier for Biomolecule Co-Delivery
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Solution Overview
Problem
Existing biomolecule delivery systems face challenges with cellular uptake, targeting, and delivery issues, particularly for silica-based carriers used in cancer therapy and enzyme replacement therapy, due to limitations in solubility and effectiveness.
Innovation Solution
Silica-based biomolecule carriers are developed, comprising mesoporous silica nanoparticles (MSNs) conjugated with linkers and multiple bioactive moieties such as enzymes, antibodies, and peptides, which are co-delivered into cells to enhance therapeutic efficacy and cellular targeting.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If silica-based carriers are used for biomolecule delivery, then therapeutic stability and biocompatibility are improved, but cellular uptake efficiency and targeting capability deteriorate
Solution Approach 1:
The patent employs mesoporous silica nanoparticles with controlled pore structures to deliver biomolecules. The porous structure allows loading of therapeutic agents while the silica framework provides stability. Surface functionalization of the porous structure enables improved cellular uptake and targeting, thus resolving the contradiction between stability and uptake efficiency.
Solution Approach 2:
The invention creates composite structures by conjugating biomolecules (proteins, peptides, antibodies) to silica-based carriers through linkers. This composite approach combines the stability of silica with the biological activity and cellular recognition capabilities of the conjugated biomolecules, thereby improving both therapeutic stability and cellular uptake.
2Reliability
If multiple biomolecules are conjugated to silica carriers, then therapeutic efficacy is improved, but device complexity and manufacturing difficulty increase
Solution Approach 1:
The patent develops a universal conjugation platform using standardized linkers that can attach multiple different biomolecules to the silica carrier. This multi-functional approach allows simultaneous delivery of various therapeutic agents (proteins, peptides, antibodies) while maintaining a relatively simple and systematic conjugation methodology, thus improving therapeutic efficacy without excessive complexity increase.
Solution Approach 2:
The invention utilizes controllable parameters in the conjugation process, such as linker length, biomolecule orientation, and conjugation density, to optimize therapeutic efficacy. By adjusting these parameters, the system achieves effective multi-biomolecule delivery while maintaining manufacturing feasibility through standardized protocols.
Data Source
AI summary
Silica-based biomolecule carriers, compositions comprising the same and preparation methods and uses thereof for delivering biomolecules into a cell are provided. The silica-based biomolecule carrier comprises a porous core; a first bioactive moiety; a second bioactive moiety functionally associated with the first bioactive moiety; and linkers for respectively conjugating the first bioactive moiety and the second bioactive moiety to the porous core.