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Fig. 3. Inductive transcription of CaHO-1 in vitro. Two groups of CAB
cells were treated with 2.5% O2 (A) and 1% O2 (B) for 3,
6, 12, 24, 48 and 72h. Cells were harvested immediately and total RNA was
isolated as outlined in Materials and methods. The levels of CaHO-1
mRNA were determined by real-time PCR. Error bars represent standard
deviations obtained by measuring each sample three times from three
independent experiments.