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باستخدام الأشعة السينية البلورات، الفيزياء الحيوية، وفحوصات وظيفية لتحديد آليات الحكم تي خلية مستقبلات الاعتراف السرطان المستضدات
Journal JoVE
Immunologie et infection
This content is Free Access.
Journal JoVE Immunologie et infection
Using X-ray Crystallography, Biophysics, and Functional Assays to Determine the Mechanisms Governing T-cell Receptor Recognition of Cancer Antigens
DOI:

09:53 min

February 06, 2017

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Chapitres

  • 00:05Titre
  • 01:05T-cell Receptor (TCR) and Human Leukocyte Antigen-resticted Tumor-derived Peptide (pHLA) Refolding and Purification by Fast Protein Liquid Chromatography (FPLC)
  • 03:43Surface Plasmon Resonance (SPR) Equilibrium Binding and Thermodynamic Analyses
  • 05:55Protein Crystallization and X-ray Diffraction
  • 07:39Results: Molecular Analysis of gp100280-288 Recognition by CD8+ T-cells
  • 08:59Conclusion

Summary

Traduction automatique

Here, we describe methods that we commonly employ in the laboratory to determine how the nature of the interaction between the T-cell receptor and tumor antigens, presented by human leukocyte antigens, governs T-cell functionality; these methods include protein production, X-ray crystallography, biophysics, and functional T-cell experiments.

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