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2022/05/05
Identification of an HLA-A*0201–restricted CD8+ T-cell epitope SSp-1 of SARS-CoV spike protein

We must seek to maintain a fine balance between CTL-induced immune protection and pathology in the treatment of SARS–associated coronavirus (SARS-CoV) disease. The HLA-A*0201–SSp-1 tetramers we constructed may be useful for monitoring the fluctuation of SSp-1–specific CD8+ T-cell numbers, and by extrapolation, SARS-specific CD8+ T-cell numbers as a whole, in the peripheral blood of SARS patients during clinical or therapeutic treatments, providing an additional indicator for treatment efficacy and short/long-term prognosis.

 

Paper Link https://pubmed.ncbi.nlm.nih.gov/15016646/

 

MBL Tetramer

 

 

MHC Tetramer

TCR Teramer

Structure

MHC/peptide

TCR (α chain/β chain)

Recognition

Specific TCR

Specific MHC/peptide complex

Detection

Antigen-specific T cells

Antigen-specific tumors

Antigen presenting cells

Application

Quantification
Monitoring of antigen-specific T cells

Quantification
Evaluation of the efficacy of cancer immunotherapies
Quality control of cancer vaccine