ABCMdb

ABCD1 p.Ala314Pro

Predicted by SNAP2:	C: N (97%), D: N (72%), E: N (82%), F: N (87%), G: N (87%), H: N (87%), I: N (93%), K: N (87%), L: N (93%), M: N (87%), N: N (87%), P: N (66%), Q: N (93%), R: N (87%), S: N (93%), T: N (97%), V: N (97%), W: D (53%), Y: N (93%),
Predicted by PROVEAN:	C: N, D: D, E: N, F: D, G: D, H: D, I: N, K: N, L: N, M: N, N: D, P: D, Q: N, R: D, S: N, T: N, V: N, W: D, Y: N,

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[hide] Molecular diagnosis of X-linked adrenoleukodystrop... Clin Chim Acta. 2011 May 12;412(11-12):970-4. Epub 2011 Feb 12. Lan F, Wang Z, Xie H, Huang L, Ke L, Yang B, Zhu Z
Molecular diagnosis of X-linked adrenoleukodystrophy: experience from a clinical genetic laboratory in mainland China with report of 13 novel mutations.
Clin Chim Acta. 2011 May 12;412(11-12):970-4. Epub 2011 Feb 12., [PMID:21300044]

Abstract [show]
BACKGROUND: X-linked adrenoleukodystrophy (X-ALD) is a neurodegenerative disorder characterized by progressive demyelination of the nervous system, adrenocortical insufficiency and increase of very long chain fatty acids (VLCFAs) in the plasma and tissues. METHODS: A total of 131 individuals from 30 Chinese pedigrees were involved in this study, including 42 symptomatic patients, 44 female carriers, and 15 high-risk fetuses from 13 families. The mutation was first pinpointed through long distance RT-PCR-based RNA approach and confirmed through peripheral blood DNA approach. RESULTS: A total of 28 mutations were identified, of which 19 were missense, 3 nonsense and 6 frame-shift mutations. Thirteen mutations were novel, i.e. p.R280L, p.P580L, p.G343V, p.S108X, p.R259W, p.P534R, p.fs A246, p.L576P, p.K602X, p.A314P, p.N148D, p.H283R, and p.fs R89. Two mutations occurred de novo, for they were not found in somatic cells of their parents. Three females from the same family developed AMN-like symptoms and they were heterozygous for the p.H283R mutation. Four asymptomatic boys were diagnosed as X-ALD patients and prenatal molecular diagnosis were provided for 13 X-ALD-stricken families. CONCLUSIONS: Our work extended the spectrum of mutations in X-ALD and benefited genetic counseling through reliable identification of heterozygous females and asymptomatic males.

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4 Thirteen mutations were novel, i.e. p.R280L, p.P580L, p.G343V, p.S108X, p.R259W, p.P534R, p.fs A246, p.L576P, p.K602X, p.A314P, p.N148D, p.H283R, and p.fs R89. Login to comment
53 Thirteen mutations were novel, i.e. p.R280L, p.P580L, p.G343V, p.S108X, p.R259W, p.fs A246, p.L576P, p.P534R, p.K602X, p.A314P, p.N148D, p.H283R, and p.fs R89, 9 of which were missense mutations. Login to comment
99 Pedigree Number of patient Number of carriere Phenotype of patient Base change Amino acid change Position of mutation Feature of mutation Prenatal diagnosis 1 1 2 AdolCALD 1225GNT R280L Exon 1 Missense 2 1 1 CCALD 1909CNT P508L Exon 6 Missense 3 4 3 CCALD 1987CNG P534R Exon 6 Missense Y 4 1 1 CCALD 1182GNA G266R Exon 1 Missense 5 1a +1b 1 CCALD 2235CNG R617G Exon 8 Missense Y 6 1+1a +1c 1 CCALD 1414GNT G343V Exon 2 Missense 7 1 1 CCALD 1415_02 del AG fs E471 Exon 5 Frameshift 8 1+1b 1 CCALD 2235CNT R617C Exon 8 Missense Yh 9 1 1 CCALD 2065CNT P560L Exon 7 Y 10 1+1a 2+1b CCALD [709 NA; 1161CNT] [S108X; R259W] Exon 1 Nonsense; Missense Y 11 1 1 CCALD 1126ins GCCATCG fs I246 Exon 1 Frameshift 12 1 1 CCALD 2113TNC L576P Exon 7 Missense 13 1a +2c 3 CCALD 807GNA A141T Exon 1 Missense 14 1 1 CCALD 1415_02 del AG fs E471 Exon 5 Frameshift Y 15 1 1+1b CCALD 915CNA Q177X Exon 1 Nonsense Yh 16 1+1a 1 CCALD 1588GNA R401Q Exon 3 Missense 17 1 1 CCALD 1212 ANG K276E Exon 1 Missense Y 18 1 1 CCALD 907 ANG Y174C Exon 1 Missense 19 1 2 CCALD 2190 ANT K602X Exon 8 Nonsense 20 1 1 CCALD 1326GNC A314P Exon 2 Missense 21 1 1 CCALD 828 ANG N148D Exon 1 Missense Y 22 1 1 CCALD 1588GNA R401Q Exon 3 Missense Y 23 1 0f CCALD 2278GNA C631Y Exon 9 Missense 24 1a 1 CCALD 1008insG fs S207 Exon 1 Frameshift Y 25 1 0f CCALD 1920GNA G512S Exon 6 Missense 26 1+1c 3 CCALD 1415_02 del AG fs E471 Exon 5 Frameshift Y 27 1+1b 1 CCALD [1035ANG; 1853GNA] [K217E; V489V] Exon 1 Missense; same sense Y 28 1+3d 4 AMNg 1234ANG H283R Exon 1 Missense 29 1+2a 3 CCALD 1233CNG H283D Exon 1 Missense 30 2 3 AMN; CCALD 656_57 delGA fs R89 Exon 1 Frameshift a patient or proband died at the time of referral; b fetus by prenatal diagnosis; c presymptomatic at the time of referral; d female heterozygote patient; e determined by molecular ananlysis or deduced by the fact that the carrier was the daughter of an X-ALD, or the mother of at least one X-ALD patients; f de novo mutation; g including three heterozygote female patients; h twice for two pregnancies. Login to comment