Table 2 Online databases

Circ2Traits

http://gyanxet-beta.com/circdb/

A disease-associated circRNA database providing putative interaction networks miRNA-mRNA

[140]

circBase

http://circbase.org/

A comprehensive unified database of circRNA expression with potential identifying novel circRNAs

[141]

CircNet

http://syslab5.nchu.edu.tw/CircNet/

A database generating an tissue-specific expression and integrated network between circRNA, miRNA and gene

[142]

circInteractome

https://circinteractome.nia.nih.gov/

A web tool exploring miRNA and RBP binding sites on specific circRNA

[143]

StarBasev2 (ENCORI)

http://starbase.sysu.edu.cn/starbase3/

A database identifying RNA-RNA and protein-RNA interactions

[144]

CIRCpedia v2

http://www.picb.ac.cn/rnomics/circpedia

A database used to browse, and download alternative back-splicing events with expression characteristics in various cell types/tissues, including disease samples

[145]

circRNADb

http://reprod.njmu.edu.cn/circrnadb.

A comprehensive database for human circular RNAs with protein-coding annotations.

[64]

CSCD

http://gb.whu.edu.cn/CSCD

a database for the first comprehensive cancer-specific circRNA

[146]

exoRBase

http://www.exoRBase.org

A web-accessible database providing the annotation, expression level and possible original tissues in human blood exosomes

[147]

MiOncoCirc

https://mioncocirc.github.io/.

MiOncoCirc provides a reference of the circular RNA landscape across 40 cancer types.

[10]

CircAtlas

http://circatlas.biols.ac.cn/

A study of circRNA’s variable splicing, conservativeness and relationship with linear RNA

[148]