Table 1.

Firefly luciferase reporters used in HeLa and NIH 3T3 cells.

Cells	Reporter name	Promoter	miRNA sites	3′ UTR	Type
HeLa	let-7_3xP	PGK	1x let-7B, 2xlet-7P	BGH_polyA	Stable clone
	let-7_4xB	PGK	let-7_4xB	BGH_polyA	Stable pool
	miR-30_1xP	SV40	miR-30_1xP	SV40_polyA	Transient transfection
	miR-30_4xB	PGK	miR-30_7xB	BGH_polyA	Stable pool
	miR-30_4xM	PGK	miR-30_4xM	BGH_polyA	Transient transfection
NIH 3T3	let-7_3xP	PGK	1x let-7B, 2xlet-7P	BGH_polyA	Stable clone
	let-7_4xB	PGK	let-7_4xB	BGH_polyA	Transient transfection
	let-7_4xM	PGK	let-7_4xM	BGH_polyA	Transient transfection
	miR-30_4xB	PGK	miR-30_7xB	BGH_polyA	Transient transfection
	miR-30_1xP	SV40	miR-30_1xP	SV40_polyA	Transient transfection
	Luciferase	SV40	No	SV40_polyA	Transient transfection