In molecular biology mir-452 microRNA is a short RNA molecule. MicroRNAs function to regulate the expression levels of other genes by several mechanisms.
Puerta-Gil P, García-Baquero R, Jia AY, Ocaña S, Alvarez-Múgica M, Alvarez-Ossorio JL, Cordon-Cardo C, Cava F, Sánchez-Carbayo M (May 2012). "miR-143, miR-222, and miR-452 are useful as tumor stratification and noninvasive diagnostic biomarkers for bladder cancer". The American Journal of Pathology. 180 (5): 1808–15. doi:10.1016/j.ajpath.2012.01.034. PMID22426337.
Veerla S, Lindgren D, Kvist A, Frigyesi A, Staaf J, Persson H, Liedberg F, Chebil G, Gudjonsson S, Borg A, Månsson W, Rovira C, Höglund M (May 2009). "MiRNA expression in urothelial carcinomas: important roles of miR-10a, miR-222, miR-125b, miR-7 and miR-452 for tumor stage and metastasis, and frequent homozygous losses of miR-31". International Journal of Cancer. 124 (9): 2236–42. doi:10.1002/ijc.24183. PMID19127597.