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Figure 3 | Respiratory Research

Figure 3

From: Global expression profiling of theophylline response genes in macrophages: evidence of airway anti-inflammatory regulation

Figure 3

IL-13 expression in macrophages was suppressed by theophylline in a dose-dependent manner. (A) Close-up view of microarray digital image of IL-13 expression. (B) Northern blot analysis of IL-13 mRNA expression in macrophages. GAPDH was used as an internal control. (C) Western blot analysis revealed that IL-13 protein level in macrophages was decreased by theophylline. α-tubulin was used as the loading control. 10 μg/ml of theophylline treatment approximately corresponds to the clinical plasma level.

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