MREG and cancer: In addition, looking at overlapping genes in the Venn diagram of vitamin D up-regulated transcripts in six works [40,43-46], only seven intersections were found in non-cancer cells: AKR1B1, CRIP1, FZD8, MREG (in immortalized prostate cells and NAF), BCAT1, GCLC (in coronary artery smooth muscle cells and NAFs) and PRR6 (in immortalized prostate cells and coronary artery smooth muscle cells).