ABCMdb

PMID: 9150159

Macek M Jr, Mackova A, Hamosh A, Hilman BC, Selden RF, Lucotte G, Friedman KJ, Knowles MR, Rosenstein BJ, Cutting GR
Identification of common cystic fibrosis mutations in African-Americans with cystic fibrosis increases the detection rate to 75%.
Am J Hum Genet. 1997 May;60(5):1122-7., [PubMed]

Sentences

No. Mutations Sentence Comment

39 ABCC7 p.Arg117His ABCC7 p.Ala455Glu ABCC7 p.Trp1282* ABCC7 p.Arg553* ABCC7 p.Arg334Trp ABCC7 p.Arg347Pro ABCC7 p.Asn1303Lys ABCC7 p.Gly542* ABCC7 p.Ser549Asn ABCC7 p.Arg560Thr Mutation Analysis All patients were screened for the AF508 mutation and 15 common Caucasian CF mutations using a reverse dot strip hybridization system (Kawasaki et al. 1993) (R117H, 621+1G--T, R334W, R347P, A455E, A1507, 1717-1G-+A, G542X, S549N, GSS1D, R553X, R560T, 3849+10kbC-+T, W1282X, and N1303K) (Welsh et al. 1995) and a deep intron 11 splice-site mutation, 1811+1.6kbA-+G (Chillon et al. 1995). Login to comment 40 ABCC7 p.Arg117His ABCC7 p.Ala455Glu ABCC7 p.Trp1282* ABCC7 p.Arg553* ABCC7 p.Arg334Trp ABCC7 p.Arg347Pro ABCC7 p.Asn1303Lys ABCC7 p.Gly542* ABCC7 p.Ser549Asn ABCC7 p.Arg560Thr Mutation Analysis All patients were screened for the AF508 mutation and 15 common Caucasian CF mutations using a reverse dot strip hybridization system (Kawasaki et al. 1993) (R117H, 621+1G--T, R334W, R347P, A455E, A1507, 1717-1G-+A, G542X, S549N, GSS1D, R553X, R560T, 3849+10kbC-+T, W1282X, and N1303K) (Welsh et al. 1995) and a deep intron 11 splice-site mutation, 1811+1.6kbA-+G (Chillon et al. 1995). Login to comment 45 ABCC7 p.Arg553* ABCC7 p.Ser1255* ABCC7 p.Gly480Cys ABCC7 p.Ala559Thr In the two independent African-American groups, samples were screened for eight mutations that have been identified in two or more African-American CF patients, including 405+3A-+C (present study), 444delA (White et al. 1991), G480C (Smit et al. 1995), R553X (Cutting et al. 1990b), A559T (Cutting et al. 1990b), 2307insA (Smit et al. 1993), 3120+1G-+A (present study), and S1255X (Cutting et al. Login to comment 46 ABCC7 p.Arg553* ABCC7 p.Ser1255* ABCC7 p.Gly480Cys ABCC7 p.Ala559Thr In the two independent African-American groups, samples were screened for eight mutations that have been identified in two or more African-American CF patients, including 405+3A-+C (present study), 444delA (White et al. 1991), G480C (Smit et al. 1995), R553X (Cutting et al. 1990b), A559T (Cutting et al. 1990b), 2307insA (Smit et al. 1993), 3120+1G-+A (present study), and S1255X (Cutting et al. Login to comment 47 ABCC7 p.Ser1255* ABCC7 p.Gly480Cys Screening protocols for mutations 444delA, G480C, 2307insA, and S1255X were previously reported in the references cited in the preceding sentence. Login to comment 48 ABCC7 p.Ser1255* ABCC7 p.Gly480Cys ABCC7 p.Ala559Thr The A559T mutation creates a unique MseI restriction site. Login to comment 49 ABCC7 p.Ala559Thr The A559T mutation creates a unique MseI restriction site. Login to comment 61 ABCC7 p.Arg553* ABCC7 p.Ser1255* ABCC7 p.Ala559Thr Four other mutations were observed more than once in the index group (405+3A--C [2], R553X [3], A559T [2], and S1255X [2]). Login to comment 62 ABCC7 p.Arg553* ABCC7 p.Ser1255* ABCC7 p.Ala559Thr ABCC7 p.Trp19Cys Twelve novel mutations were identified in one patient each: W19C, 621G--*A, 1002-3T-*G, Am. J. Hum. Genet. Login to comment 63 ABCC7 p.Arg764* ABCC7 p.Tyr563Asp ABCC7 p.Ser364Pro ABCC7 p.Gly330* ABCC7 p.Trp19Cys ABCC7 p.Trp19Cys 60:1122-1127, 1997 Table 1 Novel CFTR Mutations Identified in This Study, in African-American CF Patients Mutation Nucleotide Change Exon/Intron Consequence Location Screening Method 1 W19C G-OT at 189 Exon 2 Trp-Cys at 19 ... Loss of AvaII; ASO 2 405+3A-C A-C at 405+3 Intron 3 Splice mutation TM 1 ASO 3 621G-A G-IA at 621 Exon 4 Splice mutation ... ASO 4 1002-3T-G T-G at 1002-3 Intron 6B Splice mutation ... ASO 5 1119delA delA at 1119 Exon 7 Frameshift ... Direct sequencing 6 G330X G-OT at 1120 Exon 7 Gly-+Stop at 330 ... Direct sequencing 7 S364P T-C at 1222 Exon 7 Ser-Pro at 364 ... Loss of Hinfl; ASO 8 1504delG deIG at 1504 Exon 9 Frameshift NBF I Loss of BamHI 9 Y563D T-OG at 1819 Exon 12 Tyr-Asp at 563 NBF I Loss of XcaI; ASO 10 1618T T-IC at 1985 Exon 13 Ile-'Thr at 618 R Loss of VspI or AsuI; ASO 11 R764X C-T at 2422 Exon 13 Arg-Stop at 764 R Direct sequencing 12 2734delG/insAT delG/insAT at 2734 Exon 14A Frameshift TM 7 Creates VspI or Pad 13 3120+1G-A GI-A at 3120+1 Intron 16 Splice mutation TM 9 Loss of BstNI 14 3791delC delC at 3791 Exon 19 Frameshift ... Direct sequencing NoTE. Login to comment 64 ABCC7 p.Arg764* ABCC7 p.Tyr563Asp ABCC7 p.Ser364Pro ABCC7 p.Gly330* ABCC7 p.Trp19Cys 60:1122-1127, 1997 Table 1 Novel CFTR Mutations Identified in This Study, in African-American CF Patients Mutation Nucleotide Change Exon/Intron Consequence Location Screening Method 1 W19C G-OT at 189 Exon 2 Trp-Cys at 19 ... Loss of AvaII; ASO 2 405+3A-C A-C at 405+3 Intron 3 Splice mutation TM 1 ASO 3 621G-A G-IA at 621 Exon 4 Splice mutation ... ASO 4 1002-3T-G T-G at 1002-3 Intron 6B Splice mutation ... ASO 5 1119delA delA at 1119 Exon 7 Frameshift ... Direct sequencing 6 G330X G-OT at 1120 Exon 7 Gly-+Stop at 330 ... Direct sequencing 7 S364P T-C at 1222 Exon 7 Ser-Pro at 364 ... Loss of Hinfl; ASO 8 1504delG deIG at 1504 Exon 9 Frameshift NBF I Loss of BamHI 9 Y563D T-OG at 1819 Exon 12 Tyr-Asp at 563 NBF I Loss of XcaI; ASO 10 1618T T-IC at 1985 Exon 13 Ile-'Thr at 618 R Loss of VspI or AsuI; ASO 11 R764X C-T at 2422 Exon 13 Arg-Stop at 764 R Direct sequencing 12 2734delG/insAT delG/insAT at 2734 Exon 14A Frameshift TM 7 Creates VspI or Pad 13 3120+1G-A GI-A at 3120+1 Intron 16 Splice mutation TM 9 Loss of BstNI 14 3791delC delC at 3791 Exon 19 Frameshift ... Direct sequencing NoTE. Login to comment 65 ABCC7 p.Tyr563Asp ABCC7 p.Ser364Pro ABCC7 p.Ile618Thr ABCC7 p.Trp19Cys Oligonucleotides for allele-specific oligonucleotide (ASO) hybridization screening of novel African-American CF mutations are as follows: W19C, 5'-FI-TI TAG CTG TAC CAG ACC A-3' (final wash [FW] at 510C); 405+3 A-C, 5'-ATT TAG GGG TCA GGA TCT-3' (FW at 530C); 621 G-IA, 5'-TTG ATT TAT AAG AAA GTA ATA CTT-3' (FW at 54'C); 1002-3 T-G, 5'-GTT CTG TTC TAT AAA AAA CAA-3' (FW at 53'C); S364P, 5'-GTA TGA CCC TCT TGG-3' (FW at 450C); Y563D, 5'-TCA TCT TTG TCT ACT GAG AG-3' (FW at 510C); and I618T, 5'-CAA AAT ATFT AAC TlT- GCA TGA A-3' (FW at 520C). Login to comment 66 ABCC7 p.Arg764* ABCC7 p.Tyr563Asp ABCC7 p.Tyr563Asp ABCC7 p.Ser364Pro ABCC7 p.Ser364Pro ABCC7 p.Gly330* ABCC7 p.Ile618Thr ABCC7 p.Trp19Cys 1119delA, G330X, S364P, 1504delG, Y563D, 1618T, R764X, 2734delG/insAT, and 3791delC (table 1). Login to comment 67 ABCC7 p.Arg764* ABCC7 p.Tyr563Asp ABCC7 p.Ser364Pro ABCC7 p.Gly330* ABCC7 p.Trp19Cys Of these, only W19C occurred in a pancreatic-sufficient patient. Login to comment 68 ABCC7 p.Trp19Cys Of these, only W19C occurred in a pancreatic-sufficient patient. Login to comment 70 ABCC7 p.Trp1316* ABCC7 p.Gly542* ABCC7 p.Arg352Gln ABCC7 p.Val520Phe ABCC7 p.Ser549Asn ABCC7 p.Gly480Cys ABCC7 p.Gln98Arg ABCC7 p.Tyr913Cys Finally, 13 mutations found in one patient each had been previously reported in Caucasian patients (Q98R, R352Q, V520F, 1812-1G--A, G542X, S549N, and Y913C) (Romey et al. 1995; Welsh et al. 1995) or in African-American patients (444delA, G480C, 1342-2delAG [originally reported as 1342-1G--+C], 2307insA, 3662delA, and W1316X) (Cutting et al. 1990b; White et al. 1991; Zielenski et al. Login to comment 71 ABCC7 p.Trp1316* ABCC7 p.Gly542* ABCC7 p.Arg352Gln ABCC7 p.Val520Phe ABCC7 p.Ser549Asn ABCC7 p.Gly480Cys ABCC7 p.Gln98Arg ABCC7 p.Tyr913Cys Finally, 13 mutations found in one patient each had been previously reported in Caucasian patients (Q98R, R352Q, V520F, 1812-1G--A, G542X, S549N, and Y913C) (Romey et al. 1995; Welsh et al. 1995) or in African-American patients (444delA, G480C, 1342-2delAG [originally reported as 1342-1G--+C], 2307insA, 3662delA, and W1316X) (Cutting et al. 1990b; White et al. 1991; Zielenski et al. Login to comment 86 ABCC7 p.Arg117His ABCC7 p.Ala455Glu ABCC7 p.Trp1282* ABCC7 p.Arg553* ABCC7 p.Arg553* ABCC7 p.Arg334Trp ABCC7 p.Arg347Pro ABCC7 p.Asn1303Lys ABCC7 p.Gly542* ABCC7 p.Ser549Asn ABCC7 p.Arg560Thr ABCC7 p.Ser1255* ABCC7 p.Gly480Cys ABCC7 p.Ala559Thr The most common muta- Table 2 Distribution of CF Mutations in African-American and U.S.-Caucasian CF Patients African-American U.S. Caucasiana Mutation (n= 148) % (n = 8,714) % Caucasian mutations: AF508 71 48 5,769 66.2 R117H 0 0 47 .5 621+1 G--T 0 0 68 .8 R334W 1 .7 7 .1 R347P 0 0 24 .3 A455E 0 0 5 .1 AI507 1 .7 10 .1 1717-1 G-IA 1 .7 39 .5 G542X 1 .7 204 2.3 S549N 1 .7 4 .1 GS51D 1 .7 173 2.0 R553X (Caucasian)b 0 0 87 1.0 R560T 0 0 16 .2 3849+10kb C-T 0 0 51 .6 W1282X 0 0 235 2.7 N1303K 0 0 116 1.3 Subtotal 77 52 6,855 78.7 African-American mutations: 405+3 A-C 2 1.4 ... ... 444delA 1 .7 ... ... G480C 2 1.4 ... ... R553X (African)b 3 2.0 ... ... A559T 3 2.0 ... ... 2307insA 3 2.0 ... ... 3120+1 GC-A 18 12.2 ... ... S1255X 2 1.4 ... ... Subtotal 34 23 ... ... Total 111 75.0 6,855 78.7 NOTE.-Percentages are rounded. Login to comment 87 ABCC7 p.Arg117His ABCC7 p.Ala455Glu ABCC7 p.Trp1282* ABCC7 p.Arg553* ABCC7 p.Arg553* ABCC7 p.Arg334Trp ABCC7 p.Arg347Pro ABCC7 p.Asn1303Lys ABCC7 p.Gly542* ABCC7 p.Ser549Asn ABCC7 p.Arg560Thr ABCC7 p.Ser1255* ABCC7 p.Gly480Cys ABCC7 p.Ala559Thr The most common muta- Table 2 Distribution of CF Mutations in African-American and U.S.-Caucasian CF Patients African-American U.S. Caucasiana Mutation (n= 148) % (n = 8,714) % Caucasian mutations: AF508 71 48 5,769 66.2 R117H 0 0 47 .5 621+1 G--T 0 0 68 .8 R334W 1 .7 7 .1 R347P 0 0 24 .3 A455E 0 0 5 .1 AI507 1 .7 10 .1 1717-1 G-IA 1 .7 39 .5 G542X 1 .7 204 2.3 S549N 1 .7 4 .1 GS51D 1 .7 173 2.0 R553X (Caucasian)b 0 0 87 1.0 R560T 0 0 16 .2 3849+10kb C-T 0 0 51 .6 W1282X 0 0 235 2.7 N1303K 0 0 116 1.3 Subtotal 77 52 6,855 78.7 African-American mutations: 405+3 A-C 2 1.4 ... ... 444delA 1 .7 ... ... G480C 2 1.4 ... ... R553X (African)b 3 2.0 ... ... A559T 3 2.0 ... ... 2307insA 3 2.0 ... ... 3120+1 GC-A 18 12.2 ... ... S1255X 2 1.4 ... ... Subtotal 34 23 ... ... Total 111 75.0 6,855 78.7 NOTE.-Percentages are rounded. Login to comment 89 ABCC7 p.Arg553* bThe R553X mutation was included in each group of common mutations, since it has arisen independently in the Caucasian and African populations on different chromosome backgrounds (Reiss et al. 1991). Login to comment 90 ABCC7 p.Arg553* bThe R553X mutation was included in each group of common mutations, since it has arisen independently in the Caucasian and African populations on different chromosome backgrounds (Reiss et al. 1991). Login to comment