Table II.

Databases used for circRNA research.

Authors, year	Database	URL	Annotation	(Refs.)
Glazar et al, 2014	circBase	http://www.circbase.org/	A circRNA database that contains circRNA information from human, mouse, C. elegans and Latimeria organisms	(118)
Panda et al, 2018	CircInteractome	http://circinteractome.nia.nih.gov/	Predicts binding sites of proteins to circRNAs. Predicts potential binding sites for miRNA-circRNA interactions	(119)
Ji et al, 2019	circAtlas	http://circatlas.biols.ac.cn	Includes circRNA sequence information for humans and other animals	(120)
Vo et al, 2019	MiOncoCirc	https://nguyenjoshvo.github.io/	Description of targets that can be used for cancer diagnosis or treatment	(121)
Fan et al, 2018	CircR2Disease	http://bioinfo.snnu.edu.cn/CircR2Disease/	This tool delivers a broad database for circRNA dysregulation in different diseases	(122)
Xia et al, 2017	TSCD	http://gb.whu.edu.cn/TSCD	TSCD distinguishes the characteristics of human and mouse tissue-specific circRNAs	(123)
Xia et al, 2018	CSCD	http://gb.whu.edu.cn/CSCD	This database recognized 272,152 cancer-specific circRNAs from 228 total RNA samples Predicts cellular localization of circRNAs, RNA-binding proteins and variable splicing of related genes	(124)

circRNA, circular RNA; miRNA, microRNA.