FZD6 and idiopathic pulmonary fibrosis: Wan X et al. have reported that miR-29b-3p is overexpressed in BMSC-EVs and inhibits proliferation, migration, differentiation, and invasion of the LL29 cell line (lung fibroblasts bearing IPF cell line) by suppressing frizzled-6 (FZD6) expression and generating antifibrotic effects in vitro and in vivo [75].