83 In Vitro Studies Associated with Common SNPs of Drug Transporter Genes Exon Polymorphism Effect dbSNP Cell Expression Function Reference ABCC2 Exon 1 -24C>T 5`-UTR rs717620 116A>T Tyr2Phe rs927344Exon 2 159A>G synonymous rs17222596 Exon 7 736A>C Met246Leu rs17222744 Exon 8 998A>G Asp333Gly rs17222674 Exon 9 1058G>A Arg353His rs7080681 1219C>T synonymous rs17216198 1249G>A Val417Ile rs2273697 LLC-PK1 Protein (n.s.) Membrane localization (n.s.) Transport activity (n.s.) Hirouchi et al. [51] 1434G>T synonymous 1434G>A synonymous rs4267009 Exon 10 1457C>T Thr486Ile rs17222589 Exon 11 1483A>G Lys495Glu rs17222561 Exon 13 1686T>G Phe562Leu rs17216233 2009T>C Ile670Thr rs17222632Exon 16 2073C>A synonymous rs17222624 Exon 17 2153A>G Asn718Ser rs3740072 Exon 19 2546T>G Leu849Arg rs17222617 Exon 20 2677G>C Glu893Gln rs3740071 2901C>A Tyr967stop rs17222547 2934G>A synonymous rs3740070 Exon 22 2944A>G Ile982Val rs17222554 3107T>C Ile1036Thr rs17216149Exon 23 3188A>G Asn1063Ser rs17222540 Exon 24 3396T>C synonymous rs17216345 3542G>T Arg1181Leu rs8187692 3561G>A synonymous rs17216324 Exon 25 3563T>A Val1188Glu rs17222723 Exon 27 3817A>G Thr1273Ara rs8187699 3872C>T Pro1291Leu rs17216317 3895A>C Lys1299Gln rs4148400 3927C>T synonymous rs4148401 Exon 28 3972C>T synonymous rs3740066 4062C>T synonymous rs17216275Exon 29 4110C>T synonymous rs7899457 4242C>T synonymous rs17216296Exon 30 4290G>T synonymous rs1137968 4410G>A synonymous rs8187706Exon 31 4488C>T synonymous rs8187707 4527C>T synonymous rs8187709Exon 32 4544G>A Cys1515Tyr rs8187710 ABCG2 PA317 mRNA (n.s.) Protein (n.s.) Drug sensitivity (n.s.) Topotecan uptake (n.s.) Imai et al. [85] mRNA (n.s.) Protein (n.s.) Apical localization (impaired) Drug sensitivity ( ) Indolocarbazole uptake ( ) Indolocarbazole efflux ( ) Mizuarai et al. [88] Exon 2 34G>A Val12Met rs2231137 LLC-PK1 Apical localization (n.s.) .

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ABCC2 p.Met246Leu 18673259:83:246

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92 Exon Polymorphism Effect dbSNP Subject Expression Function Reference DNT patient Tumoral protein (GG GA) Peritumoral protein (GG GA) Vogelgesang et al. [54] Nasopharyngeal cancer patient Irinotecan PK (CC CT TT) SN-38 PK (CC CT TT) SN-38G PK (CC CT TT) Zhou et al. [56] Colorectal cancer patient (Japanese) Tumoral mRNA (CC CT TT) Drug sensitivity (CC CT TT) Tumor growth rate (CC CT TT) Nishioka et al. [57] HIV patient (Caucasian) Nelfinavir intracellular AUC (CC CT TT) Colombo et al. [58] Spina Bifida patient Disease-susceptibility (CC CT TT) Jensen et al. [60] Cancer patient (Caucasian) Diflomotecan PK (CC CA) Sparreboom et al. [96] 116A>T Tyr2Phe rs927344Exon 2 159A>G synonymous rs17222596 Exon 7 736A>C Met246Leu rs17222744 Exon 8 998A>G Asp333Gly rs17222674 Exon 9 1058G>A Arg353His rs7080681 1219C>T synonymous rs17216198 1249G>A Val417Ile rs2273697 Healthy (Finnish) Pravastatin PK (GG GA AA) Niemi et al. [48] Women undergoing cesarean section Placental mRNA [preterms] (GG>GA>AA), [term] (GG GA AA) Placental protein (GG GA AA) Meyer zu Schwabedissen et al. [52] DNT patient Tumoral protein (GG<GA) Peritumoral protein (GG GA) Vogelgesang et al. [54] HIV patient (Caucasian) Nelfinavir intracellular AUC (GG GA AA) Colombo et al. [58] Cancer patient (Caucasian) Diflomotecan PK (CC CA) Sparreboom et al. [96] 1434G>T synonymous 1434G>A synonymous rs4267009 Exon 10 1457C>T Thr486Ile rs17222589 Exon 11 1483A>G Lys495Glu rs17222561 Exon 13 1686T>G Phe562Leu rs17216233 2009T>C Ile670Thr rs17222632Exon 16 2073C>A synonymous rs17222624 Exon 17 2153A>G Asn718Ser rs3740072 Exon 19 2546T>G Leu849Arg rs17222617 Exon 20 2677G>C Glu893Gln rs3740071 2901C>A Tyr967stop rs17222547 2934G>A synonymous rs3740070 Exon 22 2944A>G Ile982Val rs17222554 3107T>C Ile1036Thr rs17216149Exon 23 3188A>G Asn1063Ser rs17222540 (Table 3) contd….

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ABCC2 p.Met246Leu 18673259:92:714

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139 Although all sequence variants associated with Dubin-Johnson syndrome result in the absence of a Table 3 Nucleotide sequence variants in the human ABCC2 gene (NM_000392) leading to amino acid changes in the ABCC2/MRP2 protein (NP_000383) Location Nucleotide changea Deduced effect on proteina Causing Dubin-Johnson syndromeb Predicted effect by PolyPhen databasec Experimentally proven functional consequence Average frequency of indicated nucleotide exchange in population NCBI SNP IDd and/or references Exon 2 c.56 C>Te p.P19L Probably damaging T: 0.007 [63] Exon 2 c.116 T>A p.F39Y Benign A: 0.010 rs927344 A: 0.008 rs17222603 Exon 3 c.298 C>T p.R100Xf DJS [154] Exon 3 c.299 G>Ae p.R100Q Possibly damaging A: 0.007 [63] Exon 7 c.736 A>C p.M246L Benign C: 0.002 rs8187667 C: 0.002 rs17222744 Exon 7 c.842 G>A p.S281N Benign A: 0.0060.056 [117] Exon 8 c.998 A>G p.D333G Possibly damaging G: 0.002 rs8187668 G: 0.004 rs17222674 Exon 9 c.1058 G>A p.R353H Benign A: 0.009 rs7080681 A: 0.014 rs17216205 Exon 9 c.1177 C>T p.R393W DJS Probably damaging [104, 112] Exon 10 c.1234 A>G p.R412G Probably damaging Deficient methotrexate transport function [56] Exon 10 c.1249 G>A p.V417I Benign None apparent [50] A: 0.163 rs2273697, [146] A: 0.158 rs17216184 A: 0.125 [62] A: 0.1830.312 [117] Exon 10 c.1457 C>T p.T486I Benign T: 0.002 rs8187670 T: 0.002 rs17222589 Exon 11 c.1483 A>G p.K495E Possibly damaging G: 0.002 rs8187672 G: 0.002 rs17222561 Exon 13 c.1686 T>G p.F562L Benign G: 0.002 rs8187673 G: 0.002 rs17216233 Exon 16 c.2009 T>C p.I670T Benign rs8187676 C: 0.006 rs17222632 Exon 16 c.2026 G>C p.G676R DJS Probably damaging [181] Exon 17 c.2125 T>C p.W709R DJS Probably damaging [111] Exon 17 c.2153 A>G p.N718S Possibly damaging rs3740072 Exon 17 c.2215 C>T p.L739F Probably damaging T: 0.006 [51] Exon 18 c.2302 C>T p.R768W DJS Probably damaging Deficient maturation and impaired sorting [47] T: 0.010 [62] [168, 180] Exon 18 c.2366 C>T p.S789F Probably damaging Reduced protein levels [50] T: 0.010 [62] Exon 19 c.2546 T>G p.L849R Benign G: 0.002 rs8187689 G: 0.006 rs17222617 Exon 20 c.2647 G>Ae p.D883N Benign A: 0.007 [63] Exon 20 c.2677 G>C p.E893Q Benign rs3740071 Exon 21 c.2882 A>Ge p.K961R Benign G: 0.007 [63] Exon 22 c.2901 C>A p.Y967Xf A: 0.002 rs8187683 A: 0.002 rs17222547 Exon 22 c.2944 A>G p.I982V Benign G: 0.002 rs8187684 G: 0.002 rs17222554 Exon 22 c.3057 G>Te p.Q1019H Benign T: 0.007 [63] Exon 23 c.3107 T>C p.I1036T Possibly damaging C: 0.002 rs8187685 C: 0.004 rs17216149 Exon 23 c.3188 A>G p.N1063S Benign G: 0.002 rs8187686 G: 0.002 rs17222540 Exon 23 c.3196 C>T p.R1066Xf DJS No ABCC2 protein in liver [134] Exon 25 c.3449 G>A p.R1150H DJS Probably damaging Deficient transport function A: 00.009 [117] Exon 25 c.3517 A>T p.I1173F DJS Probably damaging Deficient maturation and impaired sorting, deficient transport function T: 00.029 [117] [80, 117] Exon 25 c.3521 G>Ae p.R1174H Probably damaging A: 0.007 [63] Exon 25 c.3542 G>T p.R1181L Possibly damaging T: 0.039 rs8187692 T: 0.034 rs17222702 Exon 25 c.3563 T>A p.V1188E Benign A: 0.059 rs8187694 A: 0.059 rs17222723 Exon 26 c.3732 T>Ge p.N1244K Possibly damaging G: 0.014 [63] Exon 27 c.3817 A>G p.T1273A Benign G: 0.002 rs8187699 G: 0.004 rs17222582 Exon 27 c.3825 C>G p.Y1275Xf DJS No ABCC2 protein in liver [104] Exon 28 c.3872 C>T p.P1291L Possibly damaging T: 0.012 rs8187700 T: 0.010 rs17216317 Exon 28 c.3895 A>C p.K1299Q Benign rs4148400, [146] Exon 28 c.3928 C>T p.R1310Xf DJS [166] Exon 29 c.4100 C>Ge p.S1367C Possibly damaging G: 0.007 [63] Exon 29 c.4145 A>G p.Q1382R DJS Probably Deficient [47, 168] Table 3 (continued) Location Nucleotide changea Deduced effect on proteina Causing Dubin-Johnson syndromeb Predicted effect by PolyPhen databasec Experimentally proven functional consequence Average frequency of indicated nucleotide exchange in population NCBI SNP IDd and/or references functionally active ABCC2 protein from the canalicular membrane, their effects on the synthesis and function of the ABCC2 protein differ.

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ABCC2 p.Met246Leu 16847695:139:744

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140 Although all sequence variants associated with Dubin-Johnson syndrome result in the absence of a Table 3 Nucleotide sequence variants in the human ABCC2 gene (NM_000392) leading to amino acid changes in the ABCC2/MRP2 protein (NP_000383) Location Nucleotide changea Deduced effect on proteina Causing Dubin-Johnson syndromeb Predicted effect by PolyPhen databasec Experimentally proven functional consequence Average frequency of indicated nucleotide exchange in population NCBI SNP IDd and/or references Exon 2 c.56 C>Te p.P19L Probably damaging T: 0.007 [63] Exon 2 c.116 T>A p.F39Y Benign A: 0.010 rs927344 A: 0.008 rs17222603 Exon 3 c.298 C>T p.R100Xf DJS [154] Exon 3 c.299 G>Ae p.R100Q Possibly damaging A: 0.007 [63] Exon 7 c.736 A>C p.M246L Benign C: 0.002 rs8187667 C: 0.002 rs17222744 Exon 7 c.842 G>A p.S281N Benign A: 0.0060.056 [117] Exon 8 c.998 A>G p.D333G Possibly damaging G: 0.002 rs8187668 G: 0.004 rs17222674 Exon 9 c.1058 G>A p.R353H Benign A: 0.009 rs7080681 A: 0.014 rs17216205 Exon 9 c.1177 C>T p.R393W DJS Probably damaging [104, 112] Exon 10 c.1234 A>G p.R412G Probably damaging Deficient methotrexate transport function [56] Exon 10 c.1249 G>A p.V417I Benign None apparent [50] A: 0.163 rs2273697, [146] A: 0.158 rs17216184 A: 0.125 [62] A: 0.1830.312 [117] Exon 10 c.1457 C>T p.T486I Benign T: 0.002 rs8187670 T: 0.002 rs17222589 Exon 11 c.1483 A>G p.K495E Possibly damaging G: 0.002 rs8187672 G: 0.002 rs17222561 Exon 13 c.1686 T>G p.F562L Benign G: 0.002 rs8187673 G: 0.002 rs17216233 Exon 16 c.2009 T>C p.I670T Benign rs8187676 C: 0.006 rs17222632 Exon 16 c.2026 G>C p.G676R DJS Probably damaging [181] Exon 17 c.2125 T>C p.W709R DJS Probably damaging [111] Exon 17 c.2153 A>G p.N718S Possibly damaging rs3740072 Exon 17 c.2215 C>T p.L739F Probably damaging T: 0.006 [51] Exon 18 c.2302 C>T p.R768W DJS Probably damaging Deficient maturation and impaired sorting [47] T: 0.010 [62] [168, 180] Exon 18 c.2366 C>T p.S789F Probably damaging Reduced protein levels [50] T: 0.010 [62] Exon 19 c.2546 T>G p.L849R Benign G: 0.002 rs8187689 G: 0.006 rs17222617 Exon 20 c.2647 G>Ae p.D883N Benign A: 0.007 [63] Exon 20 c.2677 G>C p.E893Q Benign rs3740071 Exon 21 c.2882 A>Ge p.K961R Benign G: 0.007 [63] Exon 22 c.2901 C>A p.Y967Xf A: 0.002 rs8187683 A: 0.002 rs17222547 Exon 22 c.2944 A>G p.I982V Benign G: 0.002 rs8187684 G: 0.002 rs17222554 Exon 22 c.3057 G>Te p.Q1019H Benign T: 0.007 [63] Exon 23 c.3107 T>C p.I1036T Possibly damaging C: 0.002 rs8187685 C: 0.004 rs17216149 Exon 23 c.3188 A>G p.N1063S Benign G: 0.002 rs8187686 G: 0.002 rs17222540 Exon 23 c.3196 C>T p.R1066Xf DJS No ABCC2 protein in liver [134] Exon 25 c.3449 G>A p.R1150H DJS Probably damaging Deficient transport function A: 00.009 [117] Exon 25 c.3517 A>T p.I1173F DJS Probably damaging Deficient maturation and impaired sorting, deficient transport function T: 00.029 [117] [80, 117] Exon 25 c.3521 G>Ae p.R1174H Probably damaging A: 0.007 [63] Exon 25 c.3542 G>T p.R1181L Possibly damaging T: 0.039 rs8187692 T: 0.034 rs17222702 Exon 25 c.3563 T>A p.V1188E Benign A: 0.059 rs8187694 A: 0.059 rs17222723 Exon 26 c.3732 T>Ge p.N1244K Possibly damaging G: 0.014 [63] Exon 27 c.3817 A>G p.T1273A Benign G: 0.002 rs8187699 G: 0.004 rs17222582 Exon 27 c.3825 C>G p.Y1275Xf DJS No ABCC2 protein in liver [104] Exon 28 c.3872 C>T p.P1291L Possibly damaging T: 0.012 rs8187700 T: 0.010 rs17216317 Exon 28 c.3895 A>C p.K1299Q Benign rs4148400, [146] Exon 28 c.3928 C>T p.R1310Xf DJS [166] Exon 29 c.4100 C>Ge p.S1367C Possibly damaging G: 0.007 [63] Exon 29 c.4145 A>G p.Q1382R DJS Probably Deficient [47, 168] Table 3 (continued) Location Nucleotide changea Deduced effect on proteina Causing Dubin-Johnson syndromeb Predicted effect by PolyPhen databasec Experimentally proven functional consequence Average frequency of indicated nucleotide exchange in population NCBI SNP IDd and/or references functionally active ABCC2 protein from the canalicular membrane, their effects on the synthesis and function of the ABCC2 protein differ.

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ABCC2 p.Met246Leu 16847695:140:744

status: NEW

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