Decreased percentages of TACI+ cells among PBMC were significant or near significant in GR low, BB and CF groups (p 0.03, 0.013, 0.09 respectively); decreased TACI MFI were also near significant or significant (p 0.06, 0.07 and 0.03 respectively). This evidence concerns the gene TNFRSF13B and cystic fibrosis.