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Distribution of differentially expressed probe sets representing HIF-related genes in human U937 cells. (a) Hyper- and microgravity-sensitive probe sets (10−2–10−3 g/1.8 g) identified in the 19th DLR Parabolic Flight Campaign, (b) hyper- and microgravity sensitive probe sets (10−4 g/5–7 g) identified in the TEXUS-49 suborbital ballistic rocket campaign.
