Gre expression in lung tissue. * indicates significant effect of exercise in increasing the expression of Gre in lung tissue (P <0.001). # indicates the marginal effect of LPS in this increasing (P = 0.05). CTR (control): instilled with saline and untrained; Exe (exercise): instilled with saline and trained; LPS: instilled with LPS and untrained; Exe+LPS: instilled with LPS and trained. Gre, glucocorticoid receptor; LPS, lipopolysaccharide.