NR3C1 and cystic fibrosis: Significant differences between TP males and CF were also observed in the expression of nr3c1 (encoding glucocorticoid receptor) and nr3c2 (encoding mineralocorticoid receptor) (nr3c2, X2 (2) = 19.93, p < 0.001; nr3c2, X2 (2) = 15.56, p < 0.001) (Fig 6C and 6D).