USE OF MULTIVALENT CHIMERIC PEPTIDE-LOADED, MHC/IG MOLECULES TO DETECT, ACTIVATE OR SUPPRESS ANTIGEN-SPECIFIC T CELL-DEPENDENT IMMUNE RESPONSES

To increase the effective affinity of soluble analogs of peptide/MHC molecules for their cognate ligands, divalent peptide/MHC complexes were constructed. Using a recombinant DNA strategy, DNA encoding the MHC class I was ligated to DNA coding for murine Ig heavy chain. MHC/Ig complexes were exploit...

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Hauptverfasser:	O'HERRIN, SEAN M, GRETEN, TIM, PARDOLLEW, SCHNECK, JONATHAN, SLANSKY, JILL
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	BEER BIOCHEMISTRY CHEMISTRY COMPOSITIONS THEREOF CULTURE MEDIA ENZYMOLOGY FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIREDCHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERSFROM A RACEMIC MIXTURE HUMAN NECESSITIES HYGIENE INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING MEDICAL OR VETERINARY SCIENCE METALLURGY MICROBIOLOGY MICROORGANISMS OR ENZYMES MUTATION OR GENETIC ENGINEERING ORGANIC CHEMISTRY PEPTIDES PHYSICS PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS SPIRITS TESTING VINEGAR WINE
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Zusammenfassung:	To increase the effective affinity of soluble analogs of peptide/MHC molecules for their cognate ligands, divalent peptide/MHC complexes were constructed. Using a recombinant DNA strategy, DNA encoding the MHC class I was ligated to DNA coding for murine Ig heavy chain. MHC/Ig complexes were exploited to homogeneously load with peptides of interest. The results of flow cytometry demonstrated that the pepMHC/Ig complexes bound specifically with high affinity to cells bearing their cognate receptors. pepMHC/Ig complexes are also useful in modulating effector functions of antigen-specific T cells. These pepMHC/Ig complexes are useful for studying TCR/MHC interactions and lymphocyte tracking and have uses as specific regulators of immune responses.