[Progress of microRNA in diagnosis and prognosis of diffuse large B cell lymphoma-review].

MicroRNA (miRNA) is a class of naturally occurring short non-coding small molecular RNA with 19-25 nucleotide. MiRNA can regulate gene expression through incompletely binding to complementary sequences in the 3'UTR of target mRNA. MiRNA plays key regulatory role in a diverse rang of pathways, including cell proliferation, differentiation, apoptosis, stem cell development.