. 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