Table 2.

List of unique miRNAs in the top 50 of each of the five healthy sample types. For each miRNA, the individual rank is provided between brackets. In Supplementary Table S7, the unique physiological roles and pathway involvement to each set of specimen-specific miRNAs are shown. NAF: nipple aspirate fluid.

Samples	Number of miRNAs	miRNAs
Breast tissue	9	hsa-let-7c-5p (21) hsa-miR-100-5p (25) hsa-miR-199b-3p (31) hsa-miR-199a-5p (32) hsa-miR-497-5p (35) hsa-miR-939-5p (42) hsa-miR-143-5p (47) hsa-miR-628-3p (48) hsa-miR-519d-3p (50)
NAF	11	hsa-miR-203a-3p (2) hsa-miR-15a-5p (17) hsa-miR-34a-5p (21) hsa-miR-365a-3p (25) hsa-miR-652-3p (29) hsa-miR-210-3p (32) hsa-miR-361-5p (34) hsa-miR-29b-3p (35) hsa-miR-324-5p (43) hsa-miR-103a-2-5p (46) hsa-miR-193a-3p (47)
Breast milk	8	hsa-miR-200a-3p (9) hsa-miR-182-5p (20) hsa-miR-99b-5p (22) hsa-miR-429 (31) hsa-miR-10a-5p (37) hsa-miR-335-5p (44) hsa-miR-148a-5p (47) hsa-miR-29c-3p (49)
Plasma	7	hsa-miR-106a-5p (17) hsa-miR-222-3p (22) hsa-miR-142-3p (27) hsa-miR-192-5p (31) hsa-miR-425-5p (32) hsa-miR-106b-5p (35) hsa-miR-93-5p (47)
Serum	5	hsa-miR-142-5p (15) hsa-miR-423-3p (34) hsa-miR-16-2-3p (37) hsa-miR-107 (45) hsa-miR-148b-3p (47)