ABCG1 and cystic fibrosis: An upregulation in expression was also observed in the ABC‐binding cassette transporter family genes, ABCA1 (1.14) and ABCG1 (FC 1.27), which enhance cholesterol efflux from foam cells.[64] Also, the low‐density lipoprotein receptor‐related protein 1 (LRP1) gene was downregulated after CF consumption, with a fold change of 1.22.