ABCMdb

ABCA4 p.Lys223Gln

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Publications

PMID: 22328824 [PubMed] Roberts LJ et al: "Stargardt macular dystrophy: common ABCA4 mutations in South Africa--establishment of a rapid genetic test and relating risk to patients."

No. Sentence Comment

139 of alleles detected Frequency p.Cys54Tyr c. 161 G>A 2 0.55% p.Arg152* c. 454 C>T 12 3.31% p.Arg152Gln c. 455 G>A 3 0.83% p.Gly172Ser c. 514 G>A 1 0.28% p.Arg212Cys c. 634 C>T 1 0.28% p.Lys223Gln c. 667 A>C 1 0.28% p.V256V (Splice) c. 768 G>T 18 4.97% p.Pro291Leu c. 872 C>T 1 0.28% p.Trp439* c. 1317 G>A 1 0.28% p.Ala538Asp c. 1613 C>A 1 0.28% p.Leu541Pro c. 1622 T>C 1 0.28% p.Arg602Trp c. 1885C>T 30 8.29% p.Val643Met c. 1927 G>A 1 0.28% p.Arg653Cys c. 1957 C>T 1 0.28% p.Arg681* c. 2041 C>T 3 0.83% p.Val767Asp c. 2300 T>A 1 0.28% p.Trp855* c.2564_2571delGGTACCTT 2 0.55% p.Gly863Ala c. 2588 G>C 11 3.04% p.Val931Met c. 2791 G>A 1 0.28% p.Asn965Ser c. 2894 A>G 4 1.10% p.Val989Ala c. 2966 T>C 1 0.28% p.Gly991Arg c. 2971 G>C 1 0.28% p.Thr1019Met c. 3056 C>T 1 0.28% p.Ala1038Val c. 3113 C>T 3 0.83% p.Glu1087Lys c. 3259 G>A 1 0.28% p.Arg1108Cys c. 3322 C>T 2 0.55% p.Leu1201Arg c. 3602 T>G 4 1.10% p.Arg1300Gln c. 3899 G>A 4 1.10% p.Pro1380Leu c. 4139 C>T 3 0.83% p.Trp1408Arg c. 4222 T>C 1 0.28% - c. 4253+5G>A 1 0.28% p.Phe1440Ser c. 4319 T>C 1 0.28% p.Arg1443His c. 4328 G>A 1 0.28% p.Cys1490Tyr c.4469 G>A 54 14.92% p.Gln1513Pro fs*42 c. 4535 insC 1 0.28% p.Ala1598Asp c. 4793C>A 1 0.28% p.Arg1640Trp c. 4918 C>T 2 0.55% p.Ser1642Arg c. 4926 C>G 1 0.28% p.V1681_C1685del c. 5041 del15 1 0.28% - c. 5461-10T>C 24 6.63% - c. 5714+5 G>A 2 0.55% p.Pro1948Leu c. 5843 C>T 1 0.28% p.Gly1961Glu c. 5882 G>A 4 1.10% p.Leu2027Phe c.6079 C>T 30 8.29% p.Arg2030* c. 6088 C>T 1 0.28% p.Arg2030Gln c. 6089 G>A 3 0.83% p.Arg2038Trp c. 6112 C>T 1 0.28% p.Arg2107His c. 6320 G>A 2 0.55% p.Arg2118Glu fs*27 c. 6352 delA 1 0.28% p.Cys2150Tyr c. 6449 G>A 1 0.28% p.Gln2220* c. 6658 C>T 1 0.28% p.Gly863Ala mutation, which appears to have a founder effect in the Netherlands [13,15], the results obtained from the current study are in agreement with September et al.`s conclusions [9]. Login to comment

PMID: 21296825 [PubMed] Chen Y et al: "Cone photoreceptor abnormalities correlate with vision loss in patients with Stargardt disease."

No. Sentence Comment

109 TABLE1.ClinicalCharacteristicsofthePatientswithStargardtDisease Patient/EyeAge(y)/SexABCA4MutationsBCVA ETDRS ScoreColorVision* GoldmannVisual Field† HumphreyVisualField 10-2 Foveal Threshold (dB)Fixation F1P1OS16/MPro1486Leu/6bp insϩ32bpdel atbase672 20/4075None,0,1.34V4e:full;14e:1°ctl scotoma 8°ctlscotomawithϽ1 logunitsensitivityloss 30Foveal F1P2OS15/MPro1486Leu/6bp insϩ32bpdel atbase672 20/16040NS,2,1.99V4e:full;14e:1°ctl scotoma Densescotomabeginning 4°superiortofixation 27Superior F2P1OS25/FGlu1412Stop20/6361None,0,1.00V4e,14e:full,12e: 5°ctlscotoma 6°ctlscotoma31Foveal F3P1OD24/MGly863Ala20/10050NS,6,2.72V4e:full;14e:3-4° ctlscotoma 3°-4°scotomasuperior tofixation 32Superior F4P1OS16/FNodisease-causing mutations identified 20/20035NS,5,2.25V4e:full;14e:35° ctlscotoma 15°ctlscotomawith eccentricfixation superonasally 8Nasal,slightlybelow horizontal meridian F5P1OS42/M5461-10TϾCintron 39/Gly1961Glu 20/32023NS,5,2.27V4e:full;14e:10° ctlscotoma 12°densectlscotoma27Superonasal F6P1OS19/FLys223Gln/C2291 15bp/5amino aciddeletion (CSGVI) 20/20035NS,6,1.99V4e:full;14e:35° ctlscotoma 10°ctlscotoma20Superonasal F7P1OS55/FArg212Cys/ Gly863Ala/ Thr959Ile 20/16040NS,3,2.01V4e:10°ctl scotoma;14e:20° ctlscotoma Dense15°ctlscotoma6Superonasal F8P1OS36/MSer336Cys/ Arg1068/Ser‡ 20/20034NS,8,3.62V4e:20°ctl scotoma;14e:25° ctlscotoma Densescotomabeginning 6°superiortofixation 12Superior F9P1OS28/MArg1108His/ Val1433lle 20/32025NS,11,3.30V4e:full;14e:15° scotomafrom5- 25°superiorto fixation Densescotomabeginning 5°superiortofixation 23Superior F10P1OS55/FIVS20ϩ5GϾA splice/Gly1961Glu 20/32025NS,6,2.55V4e:30°ctl scotoma;14e:35° ctlscotoma Densescotomaextending fromfixationto10° inferonasally 19Inferonasal F11P1OS50/MArg2030Gln20/2580Tritan,7,2.61V4e:full;14e:25° ctlscotomafrom 10-25°with fovealsparing Densescotomaextending fromfixationto10° withfovealsparing 27Foveal ctl,central;F,family;F,female;M,male;NS,nonspecificorientation;OD,righteye;OS,lefteye;P,proband. Login to comment

PMID: 15671300 [PubMed] Umeda S et al: "Early-onset macular degeneration with drusen in a cynomolgus monkey (Macaca fascicularis) pedigree: exclusion of 13 candidate genes and loci."

No. Sentence Comment

103 Surprisingly, the Lys223Gln and Arg1300Gln changes reported to be associated with Stargardt disease in humans were observed in the homozygous state in TABLE 3. Login to comment
180 In the ABCA4 sequence of a normal monkey, we found two amino acid replacements (K223Q and R1300Q) that are associated with Stargardt disease in humans. Login to comment
182 One explanation of this discrepancy could be that K223Q and R1300Q are not causing the disease phenotype in humans, but rather represent markers linked to disease-causing mutations somewhere else in the gene. Login to comment
102 Surprisingly, the Lys223Gln and Arg1300Gln changes reported to be associated with Stargardt disease in humans were observed in the homozygous state in TABLE 3. Login to comment