Research Article

Suppression of Osteopontin Functions by Levocetirizine, a Histamine Receptor Antagonist, In Vitro

Figure 1

Influence of TNF-α on the production of osteopontin (OPN) from nasal epithelial cells in vitro. Nasal epithelial cells from five different subjects were stimulated with different concentrations of TNF-α. Culture supernatants were obtained 24 h later, and OPN levels were examined by ELISA.
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