Enhanced Self-Replicating Cell Selective Gene Delivery Systems
Legal Citation
Summary of the Inventive Concept
Improved gene delivery compositions, methods, and uses for targeted therapy in self-replicating cells, overcoming limitations of existing approaches.
Background and Problem Solved
Despite advances in gene therapy, existing self-replicating cell selective gene delivery compositions suffer from inefficient targeting, limited protein expression, and inadequate safety profiles. The original patent addressed some of these limitations, but there remains a need for further enhancements to improve efficacy, efficiency, and safety.
Detailed Description of the Inventive Concept
The new inventive concept introduces a system for delivering gene therapy to self-replicating cells, comprising a polyribonucleotide with a modified RNA molecule of interest and a microRNA target sequence, along with a delivery mechanism for selective targeting. Additionally, the concept includes methods for enhancing gene delivery, compositions for gene therapy, and systems for real-time monitoring and improving efficiency. These enhancements address the limitations of the original patent by providing more effective, safer, and more efficient gene delivery to self-replicating cells.
Novelty and Inventive Step
The new claims introduce novel modifications to the polyribonucleotide, such as the use of Venezuelan Equine Encephalitis viral replicase, circular polyribonucleotides, and liposome-based delivery mechanisms, which provide a non-obvious solution to the problems of inefficient targeting and limited protein expression.
Alternative Embodiments and Variations
Alternative embodiments may include the use of different viral replicases, modified RNA molecules, or alternative delivery mechanisms, such as nanoparticles or viral vectors. Variations may also include the incorporation of additional nonstructural viral proteins or the use of different microRNA target sequences.
Potential Commercial Applications and Market
The enhanced self-replicating cell selective gene delivery systems have significant commercial potential in the gene therapy market, particularly in the treatment of cancer, genetic disorders, and other diseases. The targeted and efficient delivery of gene therapy to self-replicating cells can provide a competitive advantage in the market, with potential applications in pharmaceutical, biotechnology, and research industries.
CPC Classifications
| Section | Class | Group |
|---|---|---|
| A | A61 | A61K38/1709 |
| A | A61 | A61K31/7088 |
| A | A61 | A61K31/7115 |
| C | C12 | C12Y207/07048 |
| C | C12 | C12N2310/113 |
| C | C12 | C12N2710/10343 |
Section 103 Obviousness Analysis (PHOSITA)
Field of Art
Molecular biology and gene therapy, specifically focusing on RNA-based delivery systems for therapeutic interventions, with expertise in viral replicase technologies, gene expression modulation, and targeted cellular delivery mechanisms
Person of Ordinary Skill (PHOSITA) Profile
A molecular biologist or genetic engineer with advanced training in RNA engineering, viral vector design, and gene delivery techniques, possessing knowledge of microRNA interactions, viral replicase systems, and cellular targeting strategies
Obviousness Rationale
A person skilled in the art would recognize that the PTD's variations represent predictable extensions of the source patent's core technology, utilizing known molecular biology techniques to incrementally improve gene delivery systems. The proposed modifications leverage standard approaches in RNA engineering and viral replication mechanisms that would be readily apparent to an experienced practitioner in the field. The combinations represent logical refinements that address known limitations in gene delivery technologies by applying well-established molecular biology principles.
Obvious Combinations & Variations
Original Patent Information
| Patent Number | US 11,857,598 |
|---|---|
| Title | Self-replicating cell selective gene delivery compositions, methods, and uses thereof |
| Assignee(s) | University of South Florida |