Table 1.

Recently published reports of miRs that function in cardiomyocyte regeneration

Ref	miR	Function in cardiomyocyte (CM) regeneration	Target genes in heart
34	miR-590	promote 7-day and 2 month postnatal CMs to re-enter cell cycle and progress through mitosis	Homer1,Hopx and Clic5
34	miR-1825	increase the proliferation of 7-day postnatal CMs	unclear
34	miR-33b	increase the proliferation of 7-day postnatal CMs	unclear
34, 52	miR-199a	promote 7-day and 2 month CMs to re-enter cell cycle and progress through mitosis; facilitate a cardiac metabolic shift from fatty acid toward glucose metabolism	Homer1, Hopx and PPARδ
52	miR-214	facilitate a cardiac metabolic shift from fatty acid toward glucose metabolism	PPARδ
53, 57	miR-17-92	induce proliferation of CMs	PTEN, Isl1 and Tbx1
60	miR-34a	induce cell death and hypertrophy of CMs	Pnuts
67, 69, 70,	miR-15 family	repress proliferation of CMs	Chek1