Enhanced Immunogenic Murine Tumor Cell Lines

This invention comprises novel murine tumor cell lines genetically engineered to express an active form of the cytokine interleukin-33 (IL-33). By modifying these cells, the technology significantly enhances the body's natural antitumor immune response.

Description

The technology utilizes advanced genetic engineering to introduce an active version of mouse IL-33 into established tumor cell lines, specifically 4T1 and B16F0. By expressing this potent cytokine, the otherwise non-immunogenic tumor cells are transformed into immunogenic targets that actively recruit and activate the immune system. This approach modifies the tumor microenvironment to promote a robust anti-tumor response mediated by CD8+ T cells and Natural Killer (NK) cells. By effectively "marking" the tumor cells, this method provides a superior model for studying immune-mediated tumor suppression and developing potential immunotherapeutic strategies.

Applications

- Cancer Immunotherapy Development: Used by pharmaceutical companies to screen and validate novel immunotherapy drugs.
- Drug Discovery Research: Serves as a robust model for preclinical testing of combination therapies.
- Academic and Clinical Research: Facilitates high-level investigation into the mechanics of the tumor microenvironment.
- Biotechnology Assay Development: Utilized for developing high-throughput assays to measure immune response against specific tumor types.

Advantages

- Enhanced Immunogenicity: Effectively transforms standard tumor cell lines into highly immunogenic targets.
- Targeted Immune Activation: Specifically modifies the tumor microenvironment to trigger a more aggressive immune response.
- In-Vivo Efficacy: Demonstrated ability to inhibit tumor growth through the recruitment of CD8+ T cells and NK cells.
- Research Superiority: Provides a more accurate and responsive model for cancer immunotherapy studies compared to unmodified cell lines.
- Novel Therapeutic Platform: Serves as a foundational tool for investigating cytokine-based cancer interventions.

Invention Readiness

The technology has advanced through the initial development phase, with successful validation provided by in vivo studies. Data indicates that these modified cell lines are capable of inhibiting tumor growth by significantly altering the surrounding immune landscape. Further studies are required to fully optimize these cell lines for broader clinical application and industrial-scale use.

IP Status

Research Tool

Quick Facts:
Reference Number
05240
Technology Type
Life Science Research Tool
Technology Subtype
Cell Line
Therapeutic Areas
Oncology
Therapeutic Indications
Solid tumor
Tags
GeneticsImmuno-oncology
Lead Inventor
Binfeng Lu
Department
Med-Immunology
All Tech Innovators
Xin GaoGang LiBinfeng Lu
Technology Readiness Level
4. Prototype testing and refinement
Date Submitted
2020-02-06