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Deprecated: Implicit conversion from float 267.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Proc+Natl+Acad+Sci+U+S+A 2015 ; 112 (34): 10786-91 Nephropedia Template TP
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Antibodies targeting human IL1RAP (IL1R3) show therapeutic effects in xenograft models of acute myeloid leukemia #MMPMID26261316
Ågerstam H; Karlsson C; Hansen N; Sandén C; Askmyr M; von Palffy S; Högberg C; Rissler M; Wunderlich M; Juliusson G; Richter J; Sjöström K; Bhatia R; Mulloy JC; Järås M; Fioretos T
Proc Natl Acad Sci U S A 2015[Aug]; 112 (34): 10786-91 PMID26261316show ga
Acute myeloid leukemia (AML) is a hematologic malignancy with poor survival. Current treatment with chemotherapy does not target the leukemic cells specifically and is associated with severe side effects. Here we demonstrate that antibodies directed at the cell surface molecule IL-1 receptor accessory protein (IL1RAP), expressed on immature AML cells, show strong antileukemic effects in mice transplanted with human AML cells and that the mechanism behind the cell killing is through recruitment of effector cells. Using antibodies against IL1RAP also capable of blocking IL-1 signaling, we show that the proliferation of human AML cells can be inhibited, providing a second mode of action of IL1RAP antibodies. These results provide critical evidence in support of a rapid clinical development of an antibody-based anti-IL1RAP therapy in AML.