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Interleukin 18 (IL-18), a member of the IL-1 family of cytokines, is an important regulator of innate and acquired immune responses. It signals through its ligand-binding primary receptor IL-18Rα and accessory receptor IL-18Rβ. Here we report the crystal structure of IL-18 with the ectodomain of IL-18Rα, which reveals the structural basis for their specific recognition. It confirms that surface charge...
AML1-ETO fusion protein is observed in approximately 12% of acute myeloid leukemia. In the present research, we found that AML1-ETO is able to inhibit Sp1 transactivity. We also found that this inhibition of Sp1 transactivity by AML1-ETO is achieved by interaction between Sp1 and RUNT domain of AML1. AML1b is able to abrogate the inhibition of AML1-ETO. Since Sp1 is involved in hematopoietic cell...
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