Cecily Choy

ORCID: 0000-0003-4313-1548
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About
Contact & Profiles
Research Areas
  • vaccines and immunoinformatics approaches
  • SARS-CoV-2 and COVID-19 Research
  • COVID-19 Clinical Research Studies
  • Immunotherapy and Immune Responses
  • Genetics, Bioinformatics, and Biomedical Research
  • Single-cell and spatial transcriptomics
  • T-cell and B-cell Immunology
  • Zebrafish Biomedical Research Applications

National Institute on Aging
2022-2023

University of Washington
2021

Seattle University
2021

Abstract The resolution of SARS-CoV-2 replication hinges on cell-mediated immunity, wherein CD8 + T cells play a vital role. Nonetheless, the characterization specificity and TCR composition targeting non-spike protein before after infection remains incomplete. Here, we analyzed recognizing six epitopes from nucleocapsid (N) found that slightly increased frequencies N-recognizing but significantly enhanced activation-induced proliferation compared to uninfected donors. N-specific their...

10.1038/s41467-023-42430-z article EN cc-by Nature Communications 2023-10-23

Abstract COVID-19, caused by SARS-CoV-2 infection, sparked an ongoing global pandemic. While cell-mediated immunity is crucial in mitigating the severity and eradicating viral infections, a comprehensive characterization of CD8+ T cell antigen-specificity, frequency, proliferative capacity, TCR sequences against both COVID-19 vaccinated recovered adults remains incomplete. In this study, we embark on longitudinal analysis circulating cells targeting 10 epitopes from spike (S) protein across...

10.4049/jimmunol.212.supp.1087.5514 article EN The Journal of Immunology 2024-05-01

Abstract COVID-19, an infectious disease caused by SARS-CoV-2, has given rise to the current global pandemic. Despite number of infections reaching over 600 million people worldwide, CD8 +T cells against SARS-CoV-2 in COVID-19 convalescent, vaccinated, and unexposed adults have not been fully characterized. Here, we report frequency, phenotype, vitro expansion capacity circulating recognizing 10 epitopes from spike (S) protein. Through multi-color flow cytometry using antigen-specific...

10.4049/jimmunol.210.supp.236.10 article EN The Journal of Immunology 2023-05-01

Abstract COVID-19, an infectious disease caused by SARS-CoV-2, has given rise to the current global pandemic. Despite number of infections nearing 300 million people worldwide, CD8+ T cells against SARS-CoV-2 in COVID-19 convalescent, vaccinated, and healthy adults their changes with age have not been fully characterized. Here, we report frequency, phenotype, vitro expansion capacity circulating recognizing twenty-two epitopes from five proteins (S, N, M, ORF1ab, ORF3a). Through multi-color...

10.4049/jimmunol.208.supp.125.19 article EN The Journal of Immunology 2022-05-01

Abstract COVID-19, an infectious disease caused by SARS-CoV-2, has the current global pandemic. Despite number of infections nearing 100 million people worldwide, CD8+ T cells against SARS-CoV-2 in healthy adults as well convalescent COVID-19 patients are not fully characterized. Here, we report analysis frequency and phenotype circulating recognizing seventeen epitopes from three proteins (S, N, M) HLA-A2+ multi-color flow cytometry with antigen-specific tetramers. Through 65 ranging...

10.4049/jimmunol.206.supp.103.16 article EN The Journal of Immunology 2021-05-01
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