Table 2.

The top ten microRNAs of various tissue types determined by several different experimental approaches

Tissue	miR-#1	miR-#2	miR-#3	miR-#4	miR-#5	miR-#6	miR-#7	miR-#8	miR-#9	miR-#10
P1 M Skin [33]	199a	17	321	27	203	133b	24	let-7	127	205
M Epidermis [31]	16, 15b	203	17–92	125b	200, 141	34a	let-7c, 99b	205	27b	21
H Skin [44]	let-7a/f/b/c	143	203	451	21	26a	24	378	103	126
M Basal [43]	205	690	720	24	23a/b	let-7f/a	141	200	26a	709
M HF Outer root sheath [43]	690	205	720	709	24	let-7f/a	23a/b	16	17	26b
M HF Matrix [43]	690	709	205	720	24	23a/b	16	691	let-7f/a/e	17–92
Danio skin [147]	205	let-7	23	203	98	22	199a	27a	204	125
Lamprey skin [148]	205	let-7a	200a	184	200b	let-7c	34	1c	199a	16

For most cases, the top ten microRNAs made up more than 50 % of all microRNAs within that tissue type

H human, M mouse, HF hair follicle