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Vaccine. 2013 Aug 20;31(37):3805-10. doi: 10.1016/j.vaccine.2013.06.046. Epub 2013 Jun 24.

Proteins as T cell antigens: methods for high-throughput identification.

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Department of Microbiology and Immunobiology, Harvard Medical School, 77 Avenue Louis Pasteur, Boston, MA 02115-5701, United States.


Vaccines are the most cost-effective means of preventing infectious diseases and have the potential to be used in a therapeutic capacity for the treatment of numerous chronic diseases and cancer. The majority of available vaccines function by eliciting antibodies that can neutralize toxins or opsonize the pathogen leading to elimination by professional phagocytes. However, there are many infectious and non-infectious diseases for which there are no available vaccines or the current antibody-mediated vaccines offer insufficient protection. There is emerging evidence that successful protection for these conditions requires the stimulation of T cell responses in addition to antibody. Genome/proteome-wide screening of pathogens to identify appropriate antibody targets for inclusion in vaccines has become widely used in recent years. However, the application of high-throughput proteomic screening approaches to identify T cell antigens has substantially lagged behind, primarily due to the lack of methods to identify full protein targets of T cell immunity across a broad human population. In this review, we will discuss some of the significant advances that have been made in high-throughput identification of T cell antigens for the development of novel efficacious vaccines.


High-throughput screening; Protein antigen; Reverse vaccinology, MHC; Subunit vaccine; T cells

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