Xenografting primary tumor cells allows modeling of the heterogeneous natures of malignant diseases and the influences of the tissue microenvironment. Here, we demonstrate that xenografting primary chronic lymphocytic leukemia (CLL) B lymphocytes with activated autologous T cells into alymphoid mice results in considerable CLL B cell division and sizable T cell expansion. Nevertheless, most/all CD5+CD19+ cells are eventually lost, due in part to differentiation into antibody-secreting plasmablasts/plasma cells. CLL B cell differentiation is associated with isotype class switching and development of new
Piers E.M. Patten, Gerardo Ferrer, Shih-Shih Chen, Rita Simone, Sonia Marsilio, Xiao-Jie Yan, Zachary Gitto, Chaohui Yuan, Jonathan E. Kolitz, Jacqueline Barrientos, Steven L. Allen, Kanti R. Rai, Thomas MacCarthy, Charles C. Chu, Nicholas Chiorazzi
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