ABCD1 p.Trp242*
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[hide] ABCD1 mutations and the X-linked adrenoleukodystro... Hum Mutat. 2001 Dec;18(6):499-515. Kemp S, Pujol A, Waterham HR, van Geel BM, Boehm CD, Raymond GV, Cutting GR, Wanders RJ, Moser HW
ABCD1 mutations and the X-linked adrenoleukodystrophy mutation database: role in diagnosis and clinical correlations.
Hum Mutat. 2001 Dec;18(6):499-515., [PMID:11748843]
Abstract [show]
X-linked adrenoleukodystrophy (X-ALD) is caused by mutations in the ABCD1 gene, which encodes a peroxisomal ABC half-transporter (ALDP) involved in the import of very long-chain fatty acids (VLCFA) into the peroxisome. The disease is characterized by a striking and unpredictable variation in phenotypic expression. Phenotypes include the rapidly progressive childhood cerebral form (CCALD), the milder adult form, adrenomyeloneuropathy (AMN), and variants without neurologic involvement. There is no apparent correlation between genotype and phenotype. In males, unambiguous diagnosis can be achieved by demonstration of elevated levels of VLCFA in plasma. In 15 to 20% of obligate heterozygotes, however, test results are false-negative. Therefore, mutation analysis is the only reliable method for the identification of heterozygotes. Since most X-ALD kindreds have a unique mutation, a great number of mutations have been identified in the ABCD1 gene in the last seven years. In order to catalog and facilitate the analysis of these mutations, we have established a mutation database for X-ALD ( http://www.x-ald.nl). In this review we report a detailed analysis of all 406 X-ALD mutations currently included in the database. Also, we present 47 novel mutations. In addition, we review the various X-ALD phenotypes, the different diagnostic tools, and the need for extended family screening for the identification of new patients.
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164 X-ALD Mutations Identified in the ABCD1 Gene Allele Exon Mutation Protein Remark fs P42 1 125insC n.d. # fs P84 1 253insC n.d. # E90K 1 268G>A n.d. # S98L 1 293C>T Present S98L 1 293C>T Present R104H 1 311G>A n.d. fs A112 1 337delC Absent # R113C 1 337C>T Present # R113P 1 338G>C n.d. # Q133X 1 397C>T Absent W137X 1 411G>A Absent P143S 1 427C>T n.d. S149N 1 446G>A Present R152S 1 454C>A n.d. R152C 1 454C>T Present R152L 1 455G>T Reduced # S161P 1 481T>C n.d. # R163P 1 488G>C n.d. Y174C 1 521A>G Absent Y174C 1 521A>G n.d. Q177X 1 529C>T Absent Y181C 1 542A>G n.d. fs Y181 1 544ins8bp n.d. # Q195X 1 583C>T n.d. # T198K 1 593C>A n.d. # fs S207 1 621del664bp Absent # SV207-8insAAS 1 622-23ins9bp n.d. # K217E 1 649A>G Present # P218T 1 652C>A n.d. V224E 1 671T>G n.d. # L229P 1 686T>C n.d. L229P 1 686T>C n.d. fs S235 1 706delCGTG n.d. # W242X 1 726G>A Absent G266R 1 796G>A n.d. G266R 1 796G>A n.d. R274W, R280C 1 820C>T, 838C>T n.d. # R285P 1 854G>C n.d. S290X 1 869C>A Absent # E291del 1 871-73delGAG Absent Y296C 1 887A>G n.d. Y296C 1 887A>G n.d. fs E300 IVS1 IVS1+1g>t n.d. # fs E300 IVS1 IVS1-1g>a n.d. # S315X 2 944C>A n.d. # K336M 2 1007A>T n.d. # G343D 2 1028G>A n.d. # R401Q 3 1202G>A Present R401Q 3 1202G>A Present K407X 3 1219A>T n.d. # E427del 4 1279-81delGAA n.d. # Q430X 4 1288C>T n.d. # R464X 4 1390C>T n.d. fs E471 5 1415delAG Absent fs E471 5 1415delAG Absent fs E471 5 1415delAG Absent fs E471 5 1415delAG Absent C511X 6 1533C>A n.d. # R518Q 6 1553G>A Absent fs G528 6 1586-90del Absent # fs Y532 6 1599delG Absent # P543L 6 1628C>T Absent P543L 6 1628C>T Absent fs Q544 6 1628-34duplicated n.d. # fs R545 IVS 6 IVS6+1g>c n.d. # R554H 7 1661G>A Absent fs Q556 7 1670delTG n.d. # (continued) replaced by a pyrimidine (C or T) or vice versa, and transitions, comprising the substitution of one purine by the other, or of one pyrimidine by the other.
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ABCD1 p.Trp242* 11748843:164:842
status: NEW[hide] ABCD1 gene mutations in Chinese patients with X-li... Pediatr Neurol. 2005 Aug;33(2):114-20. Pan H, Xiong H, Wu Y, Zhang YH, Bao XH, Jiang YW, Wu XR
ABCD1 gene mutations in Chinese patients with X-linked adrenoleukodystrophy.
Pediatr Neurol. 2005 Aug;33(2):114-20., [PMID:16087056]
Abstract [show]
X-linked adrenoleukodystrophy is a neurodegenerative disorder caused by mutations in the adrenoleukodystrophy (ALD) protein gene ABCD1. This study used direct sequencing of genomic polymerase chain reaction products to perform mutational analysis of ABCD1 in 34 unrelated Chinese X-linked adrenoleukodystrophy patients and 27 of their maternal relatives. Thirty-two different mutations were identified in 34 patients. Most of the mutations (62.5%, 20/32) were missense mutations, six of which are novel. One novel single nucleotide polymorphism, c.1047 C>A, was also found in three patients and their mothers, which can also be observed in 1 of 120 normal control alleles. Two synonymous mutations (p.L516L and p.V349V) appeared in two unrelated patients, and no other mutations were evident after screening the gene's 10 exons. Seventeen of the probands' mothers were found to be heterozygous for the same mutations present in their sons' ABCD1 gene. Eight of the 10 screened sisters and cousins were identified as carriers. There were no hot spot mutations in the ABCD1 gene of Chinese patients with X-linked adrenoleukodystrophy. However, over half of the mutations (19/34) were located in exon 1 and exon 6, suggesting possible hot exons. No obvious relationship between genotype and phenotype was observed.
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94 RFLP Associated Phenotype Missense mutations A30 1 421 GϾA A141T CCALD A23 1 545 GϾC R182P CCALD A14 1 796 GϾA G266R‡ CCALD A18 1 847 CϾG H283D†§ - Nsp I CCALD A32 1 871 GϾA E291K‡ CCALD A28 1 887 AϾG Y296C ACALD A21 2 1028 GϾT G343V*‡§ - Ava I ACALD A20 2, 3 1047 CϾA V349V*§ ϩ Rsa I CCALD 1210 TϾC S404P†‡ A6 6 1526 AϾT N509I†‡ CCALD A26 6 1529 GϾA G510D*§ - Bg1 I ACALD A1 6 1552 CϾG R518G†‡§ - Msp I CCALD A24 6 1548 GϾA L516L‡ CCALD 1553 GϾA R518Q‡ A10 6 1553 GϾA R518Q‡ CCALD A7 6 1559 TϾA L520Q CCALD A12 7 1661 GϾA R554H‡ CCALD A19 7 1667 AϾG Q556R‡ AMN A16 8 1814 TϾA L605Q*§ ϩ BstX I CCALD A17 8 1817 CϾT S606L CCALD A2 8 1849 CϾT R617C‡ AO A15 8 1849 CϾG R617G CCALD Nonsense mutations A11 1 396 GϾA W132X‡ CCALD A3 1 726 GϾA W242X CCALD A34 4 1390 CϾT R464X‡ CCALD A8 8 1785 GϾA W595X‡ CCALD Frameshift mutations A29 1 385 ins G fs R128* ACALD A27 2 937 del C fs D312 CCALD A13 5 1415 del AG fs E471 ACALD A22 6 1603 del CC fs P534* CCALD Amino acid insertion A33 1 240-241ins9 R80-L81insPAA* CCALD Splicing defect A5 IVS1 IVS1 ϩ1 gϾt CCALD A31 IVS3 IVS3 ϩ2 cϾt CCALD A25 IVS5 IVS5 -6 delc†‡ ACALD Synonymous mutation A4 2, 6 1047 CϾA V349V‡ CCALD 1548 GϾA L516L‡ A9 2, 6 1047 CϾA V349V‡ CCALD 1548 GϾA L516L‡ * The mutation was novel.
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ABCD1 p.Trp242* 16087056:94:1042
status: NEW95 RFLP Associated Phenotype Missense mutations A30 1 421 Gb0e;A A141T CCALD A23 1 545 Gb0e;C R182P CCALD A14 1 796 Gb0e;A G266Rߥ CCALD A18 1 847 Cb0e;G H283Dߤ&#a7; afa; Nsp I CCALD A32 1 871 Gb0e;A E291Kߥ CCALD A28 1 887 Ab0e;G Y296C ACALD A21 2 1028 Gb0e;T G343V*ߥ&#a7; afa; Ava I ACALD A20 2, 3 1047 Cb0e;A V349V*&#a7; af9; Rsa I CCALD 1210 Tb0e;C S404Pߤߥ A6 6 1526 Ab0e;T N509Iߤߥ CCALD A26 6 1529 Gb0e;A G510D*&#a7; afa; Bg1 I ACALD A1 6 1552 Cb0e;G R518Gߤߥ&#a7; afa; Msp I CCALD A24 6 1548 Gb0e;A L516Lߥ CCALD 1553 Gb0e;A R518Qߥ A10 6 1553 Gb0e;A R518Qߥ CCALD A7 6 1559 Tb0e;A L520Q CCALD A12 7 1661 Gb0e;A R554Hߥ CCALD A19 7 1667 Ab0e;G Q556Rߥ AMN A16 8 1814 Tb0e;A L605Q*&#a7; af9; BstX I CCALD A17 8 1817 Cb0e;T S606L CCALD A2 8 1849 Cb0e;T R617Cߥ AO A15 8 1849 Cb0e;G R617G CCALD Nonsense mutations A11 1 396 Gb0e;A W132Xߥ CCALD A3 1 726 Gb0e;A W242X CCALD A34 4 1390 Cb0e;T R464Xߥ CCALD A8 8 1785 Gb0e;A W595Xߥ CCALD Frameshift mutations A29 1 385 ins G fs R128* ACALD A27 2 937 del C fs D312 CCALD A13 5 1415 del AG fs E471 ACALD A22 6 1603 del CC fs P534* CCALD Amino acid insertion A33 1 240-241ins9 R80-L81insPAA* CCALD Splicing defect A5 IVS1 IVS1 af9;1 gb0e;t CCALD A31 IVS3 IVS3 af9;2 cb0e;t CCALD A25 IVS5 IVS5 afa;6 delcߤߥ ACALD Synonymous mutation A4 2, 6 1047 Cb0e;A V349Vߥ CCALD 1548 Gb0e;A L516Lߥ A9 2, 6 1047 Cb0e;A V349Vߥ CCALD 1548 Gb0e;A L516Lߥ * The mutation was novel.
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ABCD1 p.Trp242* 16087056:95:1043
status: NEW