Table 1 Selected features from the Human miRNA disease database (HMDD) included in present study .................................................................................... 2 Table 2 List of the miRNA SNPs included in multiplex primer design using the MassARRAY® Assay Design Suite v1.0 software (SEQUENOM Inc., San Diego, CA, USA) ............................................................................................................................................................................................................................. 3 Table 3 Primer sequences for the miRNA SNPs included in genotyping study using multiplex PCR reaction and MALDI-TOF MS ......................................... 4 Table 4 Allele and genotype frequencies for miRNA SNPs in mir-210 obtained from the GRC-BC population ........................................................................... 5 Table 5 Allele and genotype frequencies for miRNA SNPs in mir-221 and mir-222 from the GRC-BC Population..................................................................... 5 Table 6 Allele and genotype frequencies for miRNA SNPs in mir-21 obtained from the GRC-BC population............................................................................. 6 Table 7 Allele and genotype frequencies for miRNA SNPs in let-7a-1 obtained from the GRC-BC cohort .................................................................................. 6 Table 8 Allele and genotype frequencies for miRNA SNPs in let-7a-2 obtained from the GRC-BC population ........................................................................... 7 Table 9 Allele and genotype frequencies for rs55945735 located in mir-145 obtained from the GRC-BC population .................................................................. 7 Table 10 Allele and genotype frequencies for SNP rs353291 located in mir-145 obtained from the GRC-BC and GU-CCQ BB cohorts ................................... 8 Table 1 Selected features from the Human miRNA disease database (HMDD) included in present study Selected diseases and/or pathological features related to breast cancer miRNA-disease association dataset Human miRNA genes in dataset 503 Human Diseases in dataset 396 Human miRNA genes in dataset 503 miRNA function dataset Biological and cellular functions in dataset 43 1. Adenocarcinoma 2. Breast Neoplasms 3. Carcinoma 4. Ductal breast carcinoma 5. Squamous Cell Carcinoma 6. Neoplasms 7. Germ cell and embryonal neoplasm 8. Squamous cell neoplasms Selected biological and/or cellular function in relation to Cancer 1. Activation of caspases cascade 13. Cell proliferation 2. Akt pathway 14. Chemosensitivity of tumour cells 3. Angiogenesis 15. Chemotaxis 4. Anti-cell proliferation 16. Chromatin remodelling 5. Apoptosis 17. DNA Repair 6. Cell cycle related 18. Epithelial-mesenchymal transition 7. Cell death 19. Human embryonic stem cell (hESC) regulation 8. Cell differentiation 20 Immune response 9. Cell division 21. Immune system 10. Cell fate determination 22. Inflammation 11. Cell motility 23 miRNA tumour suppressors 12. Cell proliferation 24. Onco-miRNAs Table 2 List of the miRNA SNPs included in multiplex primer design using the MassARRAY® Assay Design Suite v1.0 software (SEQUENOM Inc., San Diego, CA, USA) SNPs near 3' end MAF Location rs1062099 0.1877 567,627 rs77585961 rs2829801 0.0247 0.4707 9,211,468 26,944,305 45,605,585 - 45,605,694 rs7050391 0.0133 45,605,273 Xp11.3 45,606,421 - 45,606,530 rs2858061 0.4352 45,606,132 MIR21 17q23.1 57,918,627 - 57,918,698 MIRLET7A1 9q22.32 96,938,239 - 96,938,318 rs112394324 rs3851812 rs10761322 rs10739971 0.0032 0.0371 0.4588 0.2601 57,918,251 57,918,370 96,937,478 96,937,680 MIRLET7A2 11q24.1 122,017,230 - 122,017,301 rs629367 0.1451 MIR145 5q32 148,810,209 - 148,810,296 rs55945735 rs73798217 0.2010 0.0545 miRNA Locus Location MIR210 11p15.5 568,089 - 568,198 MIR34A MIR155 1p36.22 21q21.3 9,211,727 - 9,211,836 26,946,292 - 26,946,356 MIR221 Xp11.3 MIR222 SNPs in gene region rs35301225 MAF NA Location 9,211,802 SNPs near 5' end rs7395206 rs10902173 MAF Location 0.5000 0.4835 568,211 570,072 rs1547354 rs2858061 rs2858060 rs2858059 rs2858060 rs2858059 rs1292037 rs13137 0.0810 0.4352 0.4991 0.4786 0.4991 0.4786 0.2440 0.2440 26,946,709 45,606,132 45,607,008 45,607,190 45,607,008 45,607,190 57918908 57919031 122,017,014 rs1143770 rs562052 rs693120 0.4867 0.3265 0.3265 122,017,598 122,018,550 122,019,011 148,809,158 148,809,918 rs353291 0.3324 148,810,746 Table 3 Primer sequences for the miRNA SNPs included in genotyping study using multiplex PCR reaction and MALDI-TOF MS SNP rs2829801 rs7395206 rs73798217 rs353291 rs55945735 rs10902173 rs112394324 rs1292037 rs562052 rs2858059 rs1062099 rs10739971 rs2858060 rs2858061 rs35301225 rs1547354 rs13137 rs10761322 rs693120 rs1143770 rs77585961 rs7050391 rs3851812 rs629367 Forward primer sequence ACGTTGGATGTTCCCACTCAGGCATATAGC ACGTTGGATGTCGGACGCCCAAGTTGGAG ACGTTGGATGACTGGAGGTTATCAGAGAGG ACGTTGGATGGTAGAGATGCCACAAGAGGG ACGTTGGATGGGTCTCAAACTCCTGACTTC ACGTTGGATGTCACAGGCACCTTTTCTCAG ACGTTGGATGACTGGAGAGAGAAATTACCC ACGTTGGATGTACAGCTAGAAAAGTCCCTG ACGTTGGATGCTCCAGGCTAGTGGAATAAC ACGTTGGATGCAGTAAGTATTTCTGGGGTG ACGTTGGATGGACCCGGTCCTGATTTTAAC ACGTTGGATGCCTAATAAGACCACTTAGTGT ACGTTGGATGACTGTATTATCCTCAGTTC ACGTTGGATGGCTTTCAATACTACAAGGG ACGTTGGATGGGCAGTATACTTGCTGATTG ACGTTGGATGTTGCAGGTTTTGGCTTGTTC ACGTTGGATGAGGTGAAAGAGATGAACCAC ACGTTGGATGGCTTTTGGTTACTAAATCAC ACGTTGGATGGTAGATGGCACATATAGAAA ACGTTGGATGCTGAACAATTTAATGCCTTC ACGTTGGATGGTTTCCTTCTCTGCAAGACG ACGTTGGATGGTAAGGCAGTATGATTAGGC ACGTTGGATGTTTTCCTCCCAAGCAAAAC ACGTTGGATGTATGCAGCATTTTTGTGAC Reverse primer sequence ACGTTGGATGTGGAGTCTATGTCCACTTCC ACGTTGGATGTCACACGCACAGTGGGTCT ACGTTGGATGATGTGTATTCCCCAGTCTCC ACGTTGGATGAAACCTTAAGTCTTCGTTCG ACGTTGGATGCTGCATCTGAGCACTTCAAG ACGTTGGATGGAAGCCTGGGTATTAGGATG ACGTTGGATGGTTGAAACCAGAGTACATGC ACGTTGGATGGGAGGGAGGATTTTATGGAG ACGTTGGATGCTACTGCACTGATCGTGTTC ACGTTGGATGCTCCCATGATACAATGAAGG ACGTTGGATGTGTGTTTCTGCCGCTTCAGT ACGTTGGATGATGCACTAACATACAACGAG ACGTTGGATGACTTGGGTAATCTAGCAATG ACGTTGGATGAATGATACCTTTCATAGGGG ACGTTGGATGGCTGTGAGTGTTTCTTTGGC ACGTTGGATGGGAGGTTAGTAGTCCTTCTA ACGTTGGATGAAAGCATTCCCAAAATGCTC ACGTTGGATGCTTCATATTTAGGAGGTAGC ACGTTGGATGCATCCCTTAACTGTAAGTTC ACGTTGGATGTTCAGTTTTACCAGAGGAAC ACGTTGGATGCACTTACTATGCAGGAAGGC ACGTTGGATGGCCTCAACTGTCAAAGATTG ACGTTGGATGTTCTTGCCGTTCTGTAAGTG ACGTTGGATGATTCTGTTTCCTCGGGTTAG iPLEX® (Extension) primer sequence TGGGCTAAGCAACCA GGTGGGCGGGCGGAG ACCATTCAGTTCCTAGC GGTTGTTCTCTGGCTGC TGATGCCTGGCGGGGCG ACCTTTTCTCAGCATCTG CAGATACGACAGAGTGTG AACCTTTTCAAAACCCACA CAGATTCAAATGCCATAGCA TGGGGTGGATAAATGAATAG TTTAACAGTAGACTTGAGAAG CCACCTACTCATTTATCCCATG GTATTATCCTCAGTTCGTAACA GTAAAACAAAAACAGGTAAGAG GGATTATTGCTCACAACAACCAG TTTGATTCAACTGTTAGAAATGTG TCCCAAAATGCTCTATTTTAGATAG GGCATATTTAGGAGGTAGCTACTAC GATTGTCAAATGAAAAGAAGAATAT CCCCCATGCCTTCTGATATCTGTTGA CCTACATGATGTAATACACTTACAATA TGTTCATAATTATTATCAGAAGGCATA GGTGGAAGTGTTTTATTCTTAGTGTGA GGGGTCAGCATTTTTGTGACAATGGACA Table 4 Allele and genotype frequencies for miRNA SNPs in MIR210 obtained from the GRC-BC population rs1062099 Control Cases Hapmap (%) G (%) 300 (83.3) 263 (80.7) 81.7 Allele C p-value (%) 60 (16.7) 0.36 63 (19.3) 18.3 GG (%) 126 (70.0) 106 (65.0) 66.8 rs10902173 Genotype CG CC (%) (%) 48 6 (26.7) (3.3) 51 6 (31.3) (3.7) 29.8 p-value 0.61 3.4 C (%) 203 (59.0) 216 (59.3) 60.4 Allele T p-value (%) 141 (41.0) 0.93 148 (40.7) 39.6 CC (%) 63 (36.6) 63 (34.6) 34.8 Genotype TC TT (%) (%) 90 29 (49.5) (15.9) 77 32 (44.8) (18.6) 51.2 p-value 0.64 14.0 Table 5 Allele and genotype frequencies for miRNA SNPs in MIR221 and MIR222 from the GRC-BC Population rs2858061 Control Cases Hapmap (%) G (%) 323 (87.8) 295 (85.8) 86.2 Allele C p-value (%) 45 (12.2) 0.43 49 (14.2) 13.8 GG (%) 142 (77.2) 130 (75.6) 80.2 rs2858060 Genotype CG CC (%) (%) 39 3 (21.2) (1.6) 35 7 (20.3) (4.1) 12.4 7.4 p-value 0.38 C (%) 219 (69.3) 218 (68.1) 72.8 Allele G p-value (%) 97 (30.7) 0.75 102 (31.9) 27.2 CC (%) 81 (51.3) 74 (46.3) 62.3 Genotype GC GG (%) (%) 57 20 (36.1) (12.7) 70 16 (43.8) (10.0) 20.6 17.2 p-value 0.35 Table 6 Allele and genotype frequencies for miRNA SNPs in MIR21 obtained from the GRC-BC population rs1292037 Control Cases Hapmap (%) A (%) 300 (80.6) 274 (80.1) 81.0 Allele G p-value (%) 72 (19.4) 0.86 68 (19.9) 19.0 rs13137 Genotype GA GG (%) (%) 56 8 (30.1) (4.3) 54 7 (31.6) (4.1) AA (%) 122 (65.6%) 110 (64.3) 65.4 31.1 p-value 0.95 3.4 T (%) 299 (80.8) 276 (80.2) 81.0 Allele A p-value (%) 71 (19.2) 0.85 68 (19.8) TT (%) 122 (65.9) 111 (64.5) 19.0 65.4 Genotype AT AA (%) (%) 55 8 (29.7) (4.3) 54 7 (31.4) (4.1) 31.1 p-value 0.94 3.4 Table 7 Allele and genotype frequencies for miRNA SNPs in MIRLET7A1 obtained from the GRC-BC cohort rs10761322 Control Cases Hapmap (%) T (%) 225 (61.8) 207 (60.5) 61.9 Allele C p-value (%) 139 (38.2) 0.73 135 (39.5) 38.1 TT (%) 76 (41.8) 59 (34.5) 40.9 rs10739971 Genotype TC CC (%) (%) 73 33 (40.1) (18.1) 89 23 (52.0) (13.5) 42.0 17.2 p-value 0.08 G (%) 243 (67.5) 223 (64.5) 68.1 Allele A p-value (%) 117 (32.5) 0.39 123 (35.5) 31.9 GG (%) 89 (49.4) 74 (42.8) 46.4 Genotype AG AA (%) (%) 65 26 (36.1) (14.4) 75 24 (43.4) (13.9) 43.3 10.3 p-value 0.36 Table 8 Allele and genotype frequencies for miRNA SNPs in MIRLET7A2 obtained from the GRC-BC population rs629367 Control Cases Hapmap (%) Allele A C (%) (%) 302 64 (82.5) (17.5) 289 57 (83.5) (16.5) 84.6 pvalue 0.72 AA (%) 125 (68.3) 122 (70.5) 15.4 75.4 rs562052 Genotype CA CC (%) (%) 52 6 (28.4) (3.3) 45 6 (26.0) (3.5) 18.5 Allele pvalue G (%) A (%) pvalue 0.88 242 (65.4) 230 (66.5) 128 (34.6) 116 (33.5) 0.76 68.1 31.9 6.2 GG (%) 81 (43.8) 74 (42.8) 46.2 rs693120 Genotype AG AA (%) (%) 80 24 (43.2) (13.0) 82 17 (47.4) (9.8) 43.8 10.0 Table 9 Allele and genotype frequencies for rs55945735 located in MIR145 obtained from the GRC-BC population rs55945735 Control Cases Hapmap (%) A (%) 193 (59.9) 182 (64.1) 62.8 Allele G p-value (%) 129 (40.1) 0.29 102 (35.9) 37.2 AA (%) 61 (37.9) 60 (42.3) 38.3 Genotype GA GG (%) (%) 71 29 (44.1) (18.0) 62 20 (43.7) (14.1) 49.1 12.7 p-value 0.58 pvalue 0.57 Allele G A (%) (%) 230 112 (67.3) (32.7) 225 115 (66.2) (33.8) 68.1 31.9 pvalue 0.77 GG (%) 82 (48.0) 72 (42.4) 46.2 Genotype AG AA (%) (%) 66 23 (38.6) (13.5) 81 17 (47.6) (10.0) 43.8 10.0 pvalue 0.21 Table 10 Allele and genotype frequencies for SNP rs353291 located in MIR145 obtained from the GRC-BC and GU-CCQ BB cohorts GRC-BC Population Control Cases Hapmap (%) A (%) 211 (58.6) 171 (50.9) 62.7 Allele G p-value (%) 149 (41.4) 0.041 165 (49.1) 37.3 AA (%) 61 (33.9) 40 (23.8) 40.6 GU-CCQ BB Population Genotype GA GG (%) (%) 89 30 (49.4) (16.7) 91 37 (54.2) (22.0) 44.1 15.3 p-value 0.09 A (%) 386 (62.7) 769 (57.2) 62.7 Allele G p-value (%) 230 (37.3) 0.023 575 (42.8) 37.3 AA (%) 128 (41.6) 229 (34.1) 40.6 Genotype GA GG (%) (%) 130 50 (42.2) (16.2) 311 132 (46.3) (19.6) 44.1 15.3 p-value 0.07