In molecular biology mir-552 microRNA is a short RNA molecule. MicroRNAs function to regulate the expression levels of other genes by several mechanisms. Researchers have detected elevated levels of mir-522 expression in colorectal cancer metastases.[1]
^Kim J, Lim NJ, Jang SG, Kim HK, Lee GK (May 2014). "miR-592 and miR-552 can distinguish between primary lung adenocarcinoma and colorectal cancer metastases in the lung". Anticancer Research. 34 (5): 2297–302. PMID24778034.
Wang XY, Wu MH, Liu F, Li Y, Li N, Li GY, Shen SR (December 2010). "Differential miRNA expression and their target genes between NGX6-positive and negative colon cancer cells". Molecular and Cellular Biochemistry. 345 (1–2): 283–90. doi:10.1007/s11010-010-0582-7. PMID20859756. S2CID27292546.