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Generation of a sensitive TNFR2-specific murine assays system
Die Pharmazie
|June 29, 2016
Summary
Researchers developed a new assay to specifically target mouse Tumor Necrosis Factor Receptor 2 (mTNFR2). This system enables the screening of agents that stimulate mTNFR2, crucial for understanding its role in diseases.
Area of Science:
- Immunology and Molecular Biology
- Drug Discovery and Development
Background:
- Tumor Necrosis Factor (TNF) and its receptors (TNFR1/TNFR2) are implicated as therapeutic targets for autoimmune diseases and cancers.
- The precise functions of TNF receptors, particularly TNFR2, remain incompletely elucidated, hindering targeted therapeutic development.
Purpose of the Study:
- To establish a novel biological assay system for screening mouse TNFR2 (mTNFR2)-selective stimulating agents.
- To develop a system that isolates mTNFR2 activity, excluding the influence of mouse TNFR1 (mTNFR1).
Main Methods:
- Construction of a mouse TNFR1 knockout and TNFR2 knockout (mTNFR1(-/-)R2(-/-)) preadipocyte cell line.
- Transfection of the cell line with a chimeric receptor gene encoding mTNFR2 fused with the intracellular domain of mouse Fas (mFas).
- Evaluation of the cell line's sensitivity to mTNFR2-mediated cytotoxic effects.
Main Results:
- The developed cell line demonstrated highly sensitive cytotoxic effects mediated specifically by mTNFR2.
- The assay system effectively screened for mTNFR2-selective stimulating agents, independent of mTNFR1 activity.
Conclusions:
- The novel mTNFR2-mediated biological assay system is a valuable tool for identifying mTNFR2-selective agonists.
- This system facilitates further research into TNFR2 functions and the development of targeted therapies for refractory diseases.
