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Detection of PECAM-1 and ICAM-1 by Western blot analysis of total protein from human U-937 cell line after treatment with tumour necrosis factor-alpha (TNF-α) or irradiation (RT) in the presence or absence of infliximab (IFX). β-actin (∼42 kD) was used as a loading control. Results are representative of four to six experiments.
