Quantitative Structure−Activity Relations for γδ T Cell Activation by Phosphoantigens

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Abstract
Gammadelta T cells help contribute to innate immunity and are activated by the natural phosphoantigens produced by the organisms responsible for causing, for example, tuberculosis, malaria, tularemia, and plague. They are also activated by synthetic phosphoantigens and are cytotoxic to tumor cells. Here, we show that it is now possible to accurately predict gammadelta T cell activation by both natural and synthetic phosphoantigens by using the quantitative structure-activity relationship (QSAR) techniques commonly used in drug design. This approach should be of use in developing novel immunotherapeutic agents as well as contributing to a better understanding of the immune system's response to infectious agents.