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Updated: Jul 3, 2025

Use of Single Chain MHC Technology to Investigate Co-agonism in Human CD8+ T Cell Activation
Published on: February 28, 2019
A general platform for targeting MHC-II antigens via a single loop
Haotian Du1, Jingjia Liu2, Kevin M Jude3
1Department of Chemistry, Stanford University, Stanford, CA, USA.
A new protein platform, TRACeR-II, enables rapid development of specific MHC-II binders for targeting antigens. This versatile system overcomes challenges in developing high-affinity, antigen-specific MHC-II targeting systems.
Area of Science:
- Immunology
- Protein Engineering
- Computational Biology
Background:
- Major histocompatibility complex class II (MHC-II) molecules are crucial for CD4+ T cell and antigen-presenting cell (APC) communication.
- Developing targeted systems with high affinity and antigen specificity for MHC-II is challenging due to its structural features.
Conclusions:
- TRACeR-II offers a simple and direct approach to overcome MHC peptide targeting challenges, bypassing traditional CDR loop selection.
- This platform holds promise for immune response modulation and diverse theranostic applications.
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