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. 2001 Jan 15;193(2):219–232. doi: 10.1084/jem.193.2.219

Figure 8.

Figure 8

Figure 8

Clonal TCR-β T cell expansion in IL-15tg mice. (a) Schematic of an example rearranged TCR-β gene that was observed in an IL-15tg mouse that died of fatal lymphocytic leukemia. (b) DNA PCR gel showing a monoclonal Jβ2.7 usage in the expanded lymphocytes from an IL-15tg mouse (tg), compared with polyclonal control (C). (c) DNA PCR gel showing a monoclonal Vβ16-Dβ2-Jβ2.7 usage in the expanded lymphocytes from an IL-15tg mouse. A faint band is visible with the prominently used Vβ4, and is present on most gels examining the FVB/N TCR-β. (d) Example of a clonal TCR Vβ6+ T cell population in a different IL-15tg mouse with fatal leukemia by flow cytometry. Blood cells were gated on CD3+ lymphocytes and assessed for expression of the Vβ6 TCR.