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TNFα+IL-17 increase pendrin expression. Human airway epithelia were treated with either vehicle or TNFα+IL-17 for 48 h. A and B: confocal images show immunostaining for pendrin (green) and actin (phalloidin, red) in control (A) and TNFα+IL-17-treated epithelia (B). Scale bar, 10 μm. C: intensity of pendrin immunolabeling measured as integrated density using the ImageJ software (n = 5). **P < 0.01 by paired Student’s t test.
