Table 1.

Forty recently diagnosed β-thalassemia major/intermedia patients and their β-thalassemia mutations


Patient no.

Age, y

Sex

Ethnic background

β-thalassemia mutation on one HBB allele

β-thalassemia mutation on the other HBB allele
1   12   M   African American   Nt-88 (C>T)   Polyadenylation signal (AATAAA>AACAAA)  
2*  7   M   Syrian   Nt -87 (C>G)   Nt -87 (C>G)  
3*  13   M   Syrian   Nt -87 (C>G)   Nt -87 (C>G)  
4*  25   M   Syrian   Nt -87 (C>G)   Nt -87 (C>G)  
5   16   F   Greek   Nt -87 (C>G)   Codon 39 (CAG>TAG)  
6   14   F   Ghanaian   Nt -29 (A>G)   Nt -29 (A>G)  
7   3.5   F   Asian   Nt -28 (A>G)   Codons 41/42 (-CTTT)  
8   1.75   F   Chinese   Nt -28 (A>G)   Codons 71/72 (+A)  
9   34   F   Pakistani   Cap + 1 (A>C)   IVSI (-1) (AGGT>AAGT)  
10   11   M   Afghani   Codon 5 (-CT)   Codon 16 (-C)  
11   < 1   F   Pakistani   Codons 8/9 (+G)   Codons 8/9 (+G)  
12   16   M   Cambodian   Codon 17 (AAG>TAG)   Codon 17 (AAG>TAG)  
13   6   F   Asian   Codon 17 (AAG>TAG)   Codons 41/42 (-CTTT)  
14   1   F   Laotian   Hb E; Codon 26 (GAG>AAG)   Codons 41/42 (-CTTT)  
15  1.5   F   Laotian   Hb E; Codon 26 (GAG>AAG)   Codons 41/42 (-CTTT)  
16  7   M   Laotian   Hb E; Codon 26 (GAG>AAG)   Codons 41/42 (-CTTT)  
17   4   M   East Indian   IVSI-1 (G>T)   IVSI-1 (G>T)  
18   19   F   East Indian   IVSI-1 (G>T)   IVSI-5 (G>C)  
19   5   F   Asian   IVSI-1 (G>T)   IVSI-5 (G>C)  
20   12   M   Asian   IVSI-1 (G>T)   Codons 41/42 (-CTTT)  
21   14   M   East Indian   IVSI-1 (G>T)   IVSII-837 (T>G)  
22   < 1   M   Bangladesh   IVSI-5 (G>C)   IVSI-5 (G>C)  
23   15   F   Asian   IVSI-5 (G>C)   Codons 41/42 (-CTTT)  
24   11   M   Asian   IVIS-5 (G>C)   3′ 619-bp deletion  
25   26   M   Bangladesh   IVSI-5 (G>C)   HPFH-3, Indian type  
26   26   M   Lebanese   IVSI-6 (T>C)   IVSI-6 (T>C)  
27   31   F   Greek   IVSI-6 (T>C)   IVSI-6 (T>C)  
28   12   M   Lebanese   IVSI-6 (T>C)   IVSI-110 (G>A)  
29  4   F   Irish/Italian/Portuguese   IVSI-6 (T>C)   Codon 39 (CAG>TAG)  
30  4   F   Irish/Italian/Portuguese   IVSI-6 (T>C)   Codon 39 (CAG>TAG)  
31   7   F   Hispanic   IVSI-6 (T>C)   Codon 39 (CAG>TAG)  
32§  8   M   Cuban   IVSI-6 (T>C)   Codon 39 (CAG>TAG)  
33§  9   M   Cuban   IVSI-6 (T>C)   Codon 39 (CAG>TAG)  
34   29   F   Italian   IVSI-6 (T>C)   IVSII-1 (G>A)  
35  3   F   Irish   Codon 91 (-T)  No mutation  
36  25   F   Irish   Codon 91 (-T)  No mutation  
37  51   F   Irish   Codon 91 (-T)  No mutation  
38  53   F   Irish   Codon 91 (-T)  No mutation  
39  < 1   F   Egyptian   IVSII-745 (C>G)   Hb Lepore Boston-Washington  
40
 
15
 
M
 
Egyptian
 
IVSII-745 (C>G)
 
Hb Lepore Boston-Washington
 

Patient no.

Age, y

Sex

Ethnic background

β-thalassemia mutation on one HBB allele

β-thalassemia mutation on the other HBB allele
1   12   M   African American   Nt-88 (C>T)   Polyadenylation signal (AATAAA>AACAAA)  
2*  7   M   Syrian   Nt -87 (C>G)   Nt -87 (C>G)  
3*  13   M   Syrian   Nt -87 (C>G)   Nt -87 (C>G)  
4*  25   M   Syrian   Nt -87 (C>G)   Nt -87 (C>G)  
5   16   F   Greek   Nt -87 (C>G)   Codon 39 (CAG>TAG)  
6   14   F   Ghanaian   Nt -29 (A>G)   Nt -29 (A>G)  
7   3.5   F   Asian   Nt -28 (A>G)   Codons 41/42 (-CTTT)  
8   1.75   F   Chinese   Nt -28 (A>G)   Codons 71/72 (+A)  
9   34   F   Pakistani   Cap + 1 (A>C)   IVSI (-1) (AGGT>AAGT)  
10   11   M   Afghani   Codon 5 (-CT)   Codon 16 (-C)  
11   < 1   F   Pakistani   Codons 8/9 (+G)   Codons 8/9 (+G)  
12   16   M   Cambodian   Codon 17 (AAG>TAG)   Codon 17 (AAG>TAG)  
13   6   F   Asian   Codon 17 (AAG>TAG)   Codons 41/42 (-CTTT)  
14   1   F   Laotian   Hb E; Codon 26 (GAG>AAG)   Codons 41/42 (-CTTT)  
15  1.5   F   Laotian   Hb E; Codon 26 (GAG>AAG)   Codons 41/42 (-CTTT)  
16  7   M   Laotian   Hb E; Codon 26 (GAG>AAG)   Codons 41/42 (-CTTT)  
17   4   M   East Indian   IVSI-1 (G>T)   IVSI-1 (G>T)  
18   19   F   East Indian   IVSI-1 (G>T)   IVSI-5 (G>C)  
19   5   F   Asian   IVSI-1 (G>T)   IVSI-5 (G>C)  
20   12   M   Asian   IVSI-1 (G>T)   Codons 41/42 (-CTTT)  
21   14   M   East Indian   IVSI-1 (G>T)   IVSII-837 (T>G)  
22   < 1   M   Bangladesh   IVSI-5 (G>C)   IVSI-5 (G>C)  
23   15   F   Asian   IVSI-5 (G>C)   Codons 41/42 (-CTTT)  
24   11   M   Asian   IVIS-5 (G>C)   3′ 619-bp deletion  
25   26   M   Bangladesh   IVSI-5 (G>C)   HPFH-3, Indian type  
26   26   M   Lebanese   IVSI-6 (T>C)   IVSI-6 (T>C)  
27   31   F   Greek   IVSI-6 (T>C)   IVSI-6 (T>C)  
28   12   M   Lebanese   IVSI-6 (T>C)   IVSI-110 (G>A)  
29  4   F   Irish/Italian/Portuguese   IVSI-6 (T>C)   Codon 39 (CAG>TAG)  
30  4   F   Irish/Italian/Portuguese   IVSI-6 (T>C)   Codon 39 (CAG>TAG)  
31   7   F   Hispanic   IVSI-6 (T>C)   Codon 39 (CAG>TAG)  
32§  8   M   Cuban   IVSI-6 (T>C)   Codon 39 (CAG>TAG)  
33§  9   M   Cuban   IVSI-6 (T>C)   Codon 39 (CAG>TAG)  
34   29   F   Italian   IVSI-6 (T>C)   IVSII-1 (G>A)  
35  3   F   Irish   Codon 91 (-T)  No mutation  
36  25   F   Irish   Codon 91 (-T)  No mutation  
37  51   F   Irish   Codon 91 (-T)  No mutation  
38  53   F   Irish   Codon 91 (-T)  No mutation  
39  < 1   F   Egyptian   IVSII-745 (C>G)   Hb Lepore Boston-Washington  
40
 
15
 
M
 
Egyptian
 
IVSII-745 (C>G)
 
Hb Lepore Boston-Washington
 

Nt indicates nucleotide; IVS, intron; and HPFH-3, hereditary persistance of fetal hemoglobin 3.

*

Patients are the same kindred.

Patients are siblings.

Patients are twins.

§

Patients are siblings.

Dominant β-thalassemia in the same kindred.

Patients are siblings.

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