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  • Title: Designer T cells by T cell receptor replacement.
    Author: Sommermeyer D, Neudorfer J, Weinhold M, Leisegang M, Engels B, Noessner E, Heemskerk MH, Charo J, Schendel DJ, Blankenstein T, Bernhard H, Uckert W.
    Journal: Eur J Immunol; 2006 Nov; 36(11):3052-9. PubMed ID: 17051621.
    Abstract:
    T cell receptor (TCR) gene transfer is a convenient method to produce antigen-specific T cells for adoptive therapy. However, the expression of two TCR in T cells could impair their function or cause unwanted effects by mixed TCR heterodimers. With five different TCR and four different T cells, either mouse or human, we show that some TCR are strong--in terms of cell surface expression--and replace weak TCR on the cell surface, resulting in exchange of antigen specificity. Two strong TCR are co-expressed. A mouse TCR replaces human TCR on human T cells. Even though it is still poorly understood why some TCRalpha/beta combinations are preferentially expressed on T cells, our data suggest that, in the future, designer T cells with exclusive tumor reactivity can be generated by T cell engineering.
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