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. Author manuscript; available in PMC: 2015 Dec 1.
Published in final edited form as: Nephrol Dial Transplant. 2014 Aug 28;30(6):910–917. doi: 10.1093/ndt/gfu280

Table 1. Categories, characteristics and functions of selected ncRNAs.

Length Function
short ncRNAs miRNA −22nt Posttranscriptional regulation of gene expression
siRNA −21nt Gene silencing
piRNA −30nt Transposon regulation (chromatin)

long ncRNAs rRNA +1.9kbases Protein biosynthesis
IncRNA 200nt Epigenetics