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Flow cytometric analysis of Hela cells with IL1R1 antibody at 1/100 dilution (green) compared with an unlabeled control (cells without incubation with primary antibody; red).
Western blot analysis of IL1R1 on HEK293 (1) and IL1R1-hIgGFc transfected HEK293 (2) cell lysate using anti-IL1R1 antibody at 1/1,000 dilution.