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Trogocytosis of CD80 and CD86 by induced regulatory T cells

Trogocytosis is a process which involves the transfer of membrane fragments and cell surface proteins between cells. Various types of T cells have been shown to be able to acquire membrane-bound proteins from antigen-presenting cells and their functions can be modulated following trogocytosis. However, it is not known whether induced regulatory T cells (iTregs) can undergo...

The Mechanism of Chemokine Receptor 9 Internalization Triggered by Interleukin 2 and Interleukin 4

In previous study, we found that the chemokine receptor 9 (CCR9) was highly expressed on CD4+ T cells from patients with T-cell lineage acute lymphocytic leukemia (T-ALL) and mediated leukemia cell infiltration and metastasis. Combined use of interleukin 2 (IL-2) and IL-4 promoted the internalization of CCR9 and therefore attenuated leukemia cell infiltration and metastasis. In...