ABCC8 p.Ile462Val
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PMID: 19475716
[PubMed]
Sandal T et al: "The spectrum of ABCC8 mutations in Norwegian patients with congenital hyperinsulinism of infancy."
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11
Altogether, 16 different ABCC8 mutations (including the novel alterations W231R, C267X, IVS6-3C.G, I462V, Q917X and T1531A) were identified.
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ABCC8 p.Ile462Val 19475716:11:99
status: NEW106 Six of the ABCC8 mutations (W231R, C267X, IVS6-3C.G, I462V, Q917X, and T1531A) were novel, whereas the remaining have been previously reported and in several cases functionally characterized (Table 2).
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ABCC8 p.Ile462Val 19475716:106:53
status: NEW109 Clinical characteristics of Norwegian CHI patients carrying mutations in ABCC8 Proband Sex Birth weight (g)/gestation length (weeks)a Treatment Mutationsd Medicalb Surgeryc Maternal chromosome Paternal chromosome Hypo-N3 F 6190/38 Deceased Yes (S) R1493W R1493W Hypo-N6 M 5340/38 Somatostatin, diet (FM, PEG) No V21D V21D Hypo-N8 F 5740/37 Insulin Yes (S) G1400R R1493W Hypo-N9 F 5130/40 Diet (FM) Yes (S) - IVS1011G.T Hypo-N11 M 4000/38 None No - G1478Re Hypo-N14 M 5000/40 Somatostatin, diet (FM, PEG) No - IVS1011G.T Hypo-N16 F 3780/38 Diet (FM) No - C267X Hypo-N19 F 5240/40 Somatostatin, diet (FM, PEG) No IVS1011G.T T1531Af Hypo-N22 M 4500/39 Diazoxide Yes (S) IVS6-3C.G, I462V Q917X Hypo-N23 F 4860/38 Insulin Yes (S) P1413Lg IVS1011G.Tg Hypo-N25 M 3910/34 Insulin Yes (S) V21Dg E490Xg Hypo-N26 M 3790/35 Diet (FM, PEG) Yes (H) V187D R248X Hypo-N29 F 3350/37 None Yes (P) - IVS1011G.T Hypo-N30 F 3800/37 Diazoxide No W231R L503P Hypo-N31 M 4340/40 None Yes (P) - R1493W a All cases had birth weights 12 standard deviation scores except for Hypo-N29 whose score was 11. b Current therapy is given.
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ABCC8 p.Ile462Val 19475716:109:678
status: NEW122 We classified the mutations as either MnMn Hypo-N3 R1493W MMMM Mn Mn Hypo-N6 V21D MM MnMn Hypo-N8 G1400R / R1493W MM nnMn Hypo-N9 IVS10 Mn Hypo-N11 G1478R Mn nnMn Hypo-N16 C267X Mn Mn Hypo-N19 IVS10 / T1531A MM Mn nn Hypo-N29 IVS10 Mn Mn Hypo-N30 W231R / L503P MM MM x Hypo-N23 IVS10 / P1413L MM x Hypo-N14 IVS10 Mn Hypo-N22 IVS6 (I462V) / Q917X MM Hypo-N25 V21D / E490X MM xx Hypo-N26 V187D / R248 X MM x Hypo-N31 R1493W nnMnMnMn nnnnMn MnMn MM MnMn Mn nnnn Fig. 1.
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ABCC8 p.Ile462Val 19475716:122:331
status: NEW173 Three novel variants (W231R, I462V, and T1531A) are missense mutations.
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ABCC8 p.Ile462Val 19475716:173:29
status: NEW177 The mutations I462V and T1531A, however, are positioned outside the TMD and NBD of SUR1 and have lower PSIC scores.
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ABCC8 p.Ile462Val 19475716:177:14
status: NEW178 I462V was identified on the maternal allele in both affected brothers of the Hypo-N22 family.
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ABCC8 p.Ile462Val 19475716:178:0
status: NEW180 Because IVS6-3C.G is located in the splice acceptor recognition signal, we predict that it will cause aberrant splicing of exon 6 and that I462V therefore may affect the function of the SUR1 protein to a lesser degree.
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ABCC8 p.Ile462Val 19475716:180:139
status: NEW