Table 2. Circulating miRNA expression changes induced by acute and chronic exercise.

Circulating miRNA (plasma) upregulated	Circulating miRNA (plasma) downregulated	Type of exercise	References
miR-9, miR-133a, miR-133b, miR-139, miR-143, miR-181b, miR-206, miR-208b, miR-214, miR-223, miR-330, miR-338, miR-485, miR-509, miR-517a, miR-518f, miR-520f, miR-522, miR-553, miR-888	Let-7i, miR-30b, miR-106a, miR-146a, miR-151, miR-221, miR-652	Acute exercise	Bye et al., 2013; Baggish et al., 2011;  Nielsen et al. 2014;
miR-21, miR-146a, miR-221, miR-222		Acute and Chronic exercise	Aoi et al., 2013; Baggish et al., 2014; Bye et al., 2013; Nielsen et al., 2014; Taurino et al., 2010
miR-20a, miR-103, miR-107, miR-126, miR-376a	let-7d, miR-16, miR-21, miR-25, miR-27a, miR-28, miR-148a, miR-185, miR-342, miR-766	Chronic exercise	Nielsen et al. 2014;    Aoi et al., 2013;

The table summarize circulating miRNA (plasma) up-or down-regulated after acute or chronic exercise.