PMID: 15671300

Umeda S, Ayyagari R, Allikmets R, Suzuki MT, Karoukis AJ, Ambasudhan R, Zernant J, Okamoto H, Ono F, Terao K, Mizota A, Yoshikawa Y, Tanaka Y, Iwata T
Early-onset macular degeneration with drusen in a cynomolgus monkey (Macaca fascicularis) pedigree: exclusion of 13 candidate genes and loci.
Invest Ophthalmol Vis Sci. 2005 Feb;46(2):683-91., [PubMed]
Sentences
No. Mutations Sentence Comment
102 ABCA4 p.Arg1300Gln
X
ABCA4 p.Arg1300Gln 15671300:102:32
status: NEW
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ABCA4 p.Lys223Gln
X
ABCA4 p.Lys223Gln 15671300:102:18
status: NEW
view ABCA4 p.Lys223Gln details
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
103 ABCA4 p.Arg1300Gln
X
ABCA4 p.Arg1300Gln 15671300:103:32
status: NEW
view ABCA4 p.Arg1300Gln details
ABCA4 p.Lys223Gln
X
ABCA4 p.Lys223Gln 15671300:103:18
status: NEW
view ABCA4 p.Lys223Gln details
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
106 ABCA4 p.Ile1615Val
X
ABCA4 p.Ile1615Val 15671300:106:129
status: NEW
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In addition, the mutation analysis revealed heterozygous amino acid changes at five positions-Leu424Val, Arg1017His, Val1114Ile, Ile1615Val, and Pro2238Gln-in both affected and normal monkeys. Login to comment
180 ABCA4 p.Arg1300Gln
X
ABCA4 p.Arg1300Gln 15671300:180:90
status: NEW
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ABCA4 p.Lys223Gln
X
ABCA4 p.Lys223Gln 15671300:180:80
status: NEW
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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 ABCA4 p.Arg1300Gln
X
ABCA4 p.Arg1300Gln 15671300:182:60
status: NEW
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ABCA4 p.Lys223Gln
X
ABCA4 p.Lys223Gln 15671300:182:50
status: NEW
view ABCA4 p.Lys223Gln details
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