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Identifying & quantifying MHC antigens with immunopeptidomics webinar

Published on ‎04-12-2022 10:08 AM by Team TFS | Updated on ‎04-12-2022 10:14 AM

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Peptides bound to class I major histocompatibility complexes (MHC) play a critical role in immune cell recognition and can trigger an immune response in many disease contexts including cancer, infectious disease, and autoimmunity. The collection of peptide MHCs (pMHCs) present on the cell surface, commonly referred to as the “immunopeptidome,” serves as a rich source of disease-specific targets. Methods to identify the immunopeptidome rely heavily on mass spectrometry to identify thousands of unique pMHC complexes in a relatively unbiased manner. However, analysing MHC MS datasets pose unique challenges over traditional proteomics datasets due to their non-tryptic nature.
 
Here we leverage deep learning via the Thermo Scientific INFERYS Rescoring workflow in Thermo Scientific Proteome Discoverer software to enhance the depth of pMHC identifications from MS analysis, increasing the number of tumor-associated antigens identified in in vitro samples and human tumor specimens. We further apply this analysis framework in conjunction with quantitative immunopeptidomics methods to identify tumor antigens that selectively increase in presentation in response to drug treatment and develop therapeutic strategies to exploit these treatment-modulated antigens as targets for immunotherapy.
 
Learn:
How to use immunopeptidomics to study antigen presentation of MHC molecules
Understand how artificial intelligence helps dig deeper into immunopeptidomics mass spectrometry data to identify tumor antigens
Understand how implementing quantitative mass spectrometry-based approaches can identify treatment-modulated tumor antigens as targets for immunotherapy

 

REGISTER HERE

 

Speaker:

Dr. Lauren Stopfer

Lauren earned a B.S. from the University of Wisconsin-Madison and Ph.D. from the Massachusetts Institute of Technology studying phosphoproteomics, immunopeptidomics, and systems biology. She is currently a scientist on the Proteomics team at BioNTech US, where she focuses on applying proteomics and immunopeptidomics methodologies to oncology and infectious disease applications.



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Start:
Mon, May 9, 2022 07:00 AM PDT
End:
Mon, May 9, 2022 08:00 AM PDT
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