Brief Article
Copyright ©2014 Baishideng Publishing Group Co.
World J Gastroenterol. Jan 7, 2014; 20(1): 219-227
Published online Jan 7, 2014. doi: 10.3748/wjg.v20.i1.219
Table 1 Primer sequences for the analysed variants
GeneSNPPrimers (5’-3’)
IL23Rrs1004819Forward: GCATTCTAGGACCGTTTTGG
Reverse: ATCTGGTGGAAATATGTGAAACCTA
IL23Rrs2201841Forward: GGCAAAAGGGAATTGAGAGG
Reverse: GGCCTATGATTATGCTTTTTCCTG1
SLC22A4rs1050152Forward: AGAGAGTCCTCCTATCTGATTG
Reverse: TCCTAGCTATTCTTCCATGC
SLC22A5rs2631367Forward: GCCGCTCTGCCTGCCAGC
Reverse: GGTCGCTATCAGGAACACGGAGGA
IGR2230a_1rs17622208 Forward: CAGAAGAATGCCCTTGATGTG
 Reverse: TCAGAAGCTGTCCATCCCAC
IGR2198a_1rs11739135 Forward: AGACACTGGGACATCATCTGTCTG
Reverse: GGGCAATTCTATGAGGACATTTAGA
IGR2096a_1rs12521868 Forward: CAAGATTTCTGCCATAGCCTCCT
Reverse: GGAGGGTGGTGTAGCCAGAGTAG
Table 2 Case-control genotypes and allele frequencies of variants in IL23R and inflammatory bowel disease-5 locus n (%)
UC (n = 320)Controls (n = 316)OR (95%CI)1P value
IL23R (rs1004819)
GG126 (39.4)158 (50.0)
GA168 (52.5)134 (42.4)
GA + AA194 (60.6)158 (50.0)1.606 (1.160-2.223)a0.004a
AA26 (8.1)24 (7.6)1.254 (0.696-2.261)0.452
RAF0.3430.2870.032a
IL23R (rs2201841)
TT140 (43.8)155 (49.1)
TC150 (46.9)143 (45.3)
TC + CC180 (56.3)161 (51.0)1.268 (0.920-1.749)0.147
CC30 (9.4)18 (5.7)1.983 (1.069-3.678)a0.030a
RAF0.3280.2830.242
SLC22A4 (rs1050152)
CC93 (29.1)110 (34.8)
CT159 (49.7)148 (46.8)
CT + TT227 (71.0)206 (65.2)1.319 (0.935-1.86)0.115
TT68 (21.3)58 (18.4)1.150 (0.768-1.723)0.498
RAF0.460.4170.120
SLC22A5 (rs2631367)
GG83 (25.9)89 (28.2)
GC163 (50.9)156 (49.4)
GC + CC237 (74.0)227 (71.9)1.138 (0.794-1.631)0.481
CC74 (23.1)71 (22.5)0.982 (0.669-1.440)0.925
RAF0.4850.4710.607
IGR2230a_1 (rs17622208)
GG87 (27.2)90 (28.5)
AG160 (50.0)157 (49.7)
AG + AA233 (72.8)226 (71.5)1.073 (0.751-1.532)0.698
AA73 (22.8)69 (21.8)0.990 (0.673-1.457)0.960
RAF0.4780.4660.685
IGR2198a_1 (rs11739135)
GG105 (32.8)117 (37.0)
GC159 (49.7)150 (47.5)
GC + CC215 (67.2)199 (63.0)1.260 (0.900-1.763)0.179
CC56 (17.5)49 (15.5)1.169 (0.760-1.797)0.477
RAF0.4230.3920.260
IGR2096a_1 (rs12521868)
GG101 (31.6)117 (37.0)
GT164 (51.3)147 (46.5)
GT + TT219 (68.5)199 (63.0)1.256 (0.897-1.760)0.185
TT55 (17.2)52 (16.5)1.045 (0.680-1.608)0.840
RAF0.4280.3970.262
Table 3 Pairwise analysis of interactions of IBD5 and IL23R to risk of ulcerative colitis
ModelOR (95%CI)P value
IL23R rs1004819 * IGR2230a_11.266 (0.627-2.553)0.51
IL23R rs1004819 * IGR2198a_11.383 (0.711-2.690)0.340
IL23R rs1004819 * IGR2096a_10.942 (0.625-1.420)0.776
IL23R rs1004819 * SLC22A41.017 (0.516-2.002)0.962
IL23R rs1004819 * SLC22A51.116 (0.549-2.270)0.761
IL23R rs2201841 Ho* IGR2230a_10.316 (0.080-1.247)0.100
IL23R rs2201841 Ho* IGR2198a_10.388 (0.105-1.430)0.155
IL23R rs2201841 Ho* IGR2096a_10.413 (0.117-1.458)0.169
IL23R rs2201841 Ho* SLC22A40.118 (0.095-1.301)0.352
IL23R rs2201841 Ho* SLC22A50.298 (0.075-1.179)0.084
Table 4 Genotype-specific ulcerative colitis odds ratios (with 95%CI) for combinations of variants in IL23R and IBD5
SLC22A4
SLC22A5
IGR2230a_1
IGR2198a_1
IGR2096a_1
CCCT + TTGGGC + CCGGAG + AAGGGC + CCGGGT + TT
IL23R rs1004819
GG11.29811.06410.94111.03311.104
(0.782-2.156)(0.623-1.815)(0.556-1.593)(0.623-1.711)(0.666-1.831)
P = 0.313P = 0.821P = 0.822P = 0.900P = 0.702
GA + AA1.52712.0151.42411.6911.3001.5491.26311.8031.28111.911
(0.872-2.673)(1.230-3.300)(0.776-2.614)(1.003-2.821)(0.716-2.359)(0.927-2.588)(0.736-2.166)(1.096-2.966)(0.744-2.206)(1.162-3.143)
P = 0.138P = 0.005P = 0.253P = 0.048P = 0.388P = 0.093P = 0.396P = 0.020P = 0.372P = 0.010
IL23R rs2201841
TT+TC11.32811.25411.18411.29611.385
(0.989-1.927)(0.868-1.812(0.823-1.704)(0.922-1.822)(0.982-1.953)
P = 0.058P = 0.228P = 0.363P = 0.136P = 0.063
CC13.4131.71613.9461.47413.7771.41113.1651.59212.97711.701
(1.169-9.965)(0.788-3.739(1.232-12.645)(0.679-3.200)(1.181-12.084)(0.652-3.056)(1.088-9.206)(0.735-3.449)(1.099-8.066)(0.765-3.784)
P = 0.018P = 0.171P = 0.014P = 0.324P = 0.018P = 0.381P = 0.027P = 0.236P = 0.026P = 0.189