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Methacholine Lab Report

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Tracheal responsiveness to methacholine Concentration response curves to methacholine showed leftward shift in asthmatic group compared to group C, but the curves of treated groups with dexamethasone and all concentrations of curcumin were shifted to right compared to group A (Fig. 4a). The EC50 value in group A was significantly lower than group C (p<0.001, Fig. 4b). The values of EC50 in treated groups with all concentrations of curcumin and dexamethasone were significantly improved compared to the group A (p<0.001 for all cases, Fig. 4b). Maximum response to methacholine in group A was significantly higher than group C (p<0.001, Fig. 5a). Treatment with all concentrations of curcumin and dexamethasone led to significant reduction in maximum response compared to group A (p<0.05 to p<0.001, Fig. 5a). …show more content…

Tracheal responsiveness to ovalbumin Tracheal responsiveness to OVA in group A and treated group with the low concentration of curcumin was significantly higher than group C (p<0.001 for both cases, Fig. 5b). In treated groups with dexamethasone and all concentrations of curcumin, tracheal responsiveness to OVA were significantly decreased compared to group A (p<0.001 for all cases, Fig. 5b). The effects of two higher concentrations of curcumin (0.60 mg/ml) on tracheal responsiveness to OVA was significantly higher than its low concentration (0.15 mg/ml), (p<0.01 to p<0.001, Table 1). The effect of low concentration of curcumin on OVA responsiveness was significantly lower than the effect of dexamethasone (p<0.01, Fig.

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