Circular RNAs: emerging cancer biomarkers and targets

Table 1 Functions of circRNAs

Function	Figure 3	Example	Reference
Histone modification	a	cANRIL	[39, 40]
RNAP II elongation	b	ci-ankrd52	[15]
RNAP II elongation	b	EIciEIF3j	[16]
Alternative splicing	c	circMbl	[41]
RNA maturation	d	circANRIL	[42]
miRNA sponge	e	circHIPK3	[33]
miRNA sponge	e	ciRS-7	[43, 44]
Translation regulation	f	circPABPN1	[45]
Translation	g	circ-ZNF609	[50]
Translation	g	circMbl	[51]
Scaffold for proteins	h	circ-Foxo3	[56]
Protein localization	i	circ-Foxo3	[57]

ISSN: 1756-9966