GAPDH and non-allergic rhinitis: The ratio of H1 receptor/GAPDH in nasal mucosa from patients with nasal allergy was significantly higher than the ratio found in nasal mucosa obtained from nonallergic rhinitis (allergic rhinitis: 0.76 ± 0.24, nonallergic rhinitis: 0.39 ± 0.11,  P = 0.03; Figure 3(b)).