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. 2022 Mar 24;12:5132. doi: 10.1038/s41598-022-09241-6

Figure 8.

Figure 8

Mechanistic effects of LAS194046 improving corticosteroids anti-inflammatory effects. Neutrophils from (A) COPD and (B) severe asthma patients were pre-incubated with sub-effective concentrations of LAS194046, fluticasone propionate or its combination during 1 h followed by cell stimulation with LPS (1 µg/ml) for 6 h. MKP1 and PI3Kδ gene expression and PI3Kδ activity were measured. The results are expressed as the mean ± SD (n = 3 each for cells from severe asthma and COPD patients in independent experiments with triplicate samples). A two-way ANOVA was followed by a post hoc Bonferroni test. *p < 0.05 vs. control; #p < 0.05 vs LPS. (C) Bronchial epithelial Beas2B cells were transfected with a GRE reporter gene and stimulated with different combinations of LAS194046 and fluticasone propionate. The results are expressed as the mean ± SD (n = 4 run in triplicate). A one-way ANOVA was followed by a post hoc Bonferroni test. *p < 0.05 vs. LAS194046 monotherapy; #p < 0.05 vs. fluticasone propionate monotherapy.