Table 6.

Online resources available for miRNA research

Databases	Functions	References
miRBase	Summarises all the published miRNA sequences and annotations	[3]
TargetScan	Predicts miRNA targets	[31]
miRWalk	Predicts miRNA targets based on a machine-learning algorithm, TarPmiR Allows searches on the interactions between genes in signalling pathways or biological processes in diseases	[172]
miRDB	Predicts miRNA targets by a bioinformatic tool, MirTarget	[173]
miRTarBase	Stores published studies that functionally validated miRNA targets	[174]
miRCancerdb	Stores information on miRNA to gene/protein expression association in cancer, based on TCGA and TargetScan data	[175]
MiREDiBASE	Provides information on miRNA editing and modification that may affect miRNA biogenesis	[176]