MAPK11 and cystic fibrosis: ABF2, SAPK2, SAPK7, SAPK8, SAPK10, ABI1, HAB1, PP2C06, SRK2E, and PYL3 were particularly upregulated in the S2 stage of CF, while PYL4, PYL8, SRK2I, TOGT1, and others were specifically upregulated in the S3 stage.