Fig. (2) Relative mRNA expression (A) of TNF-α (B) and TGF-β (C) levels in conjunctiva from DO11.10TcR-Tg mice (C-) exposed to OVA for 6 h (C+) and treated for 24 (white bars) or 72 h (grey bars) with placebo (P) or Levocetirizine ophthalmic solution at five different concentrations. mRNA of 18rS was utilised as an internal control of gene expression. *p<0.05 vs C+, ap<0.05 vs placebo, Student’s t-test (n = 6), bp<0.05 ANOVA.

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