Table 3

Clinical data and Btk mutations of 16 patients reported in the world literature with atypical XLA.



Serum Ig level (mg/dL)*
Btk Mutation





Patient no.
Age (yrs)ϕ
IgG
IgA
IgM
Nucleotide Change
Domain
Reference

P1
51
401
<7
15
567C>A
TH
12
P2
26
169
8
7
UD
UD

P3
25
773
UD
1
UD
UD
4
P4
34
420
UD
UD
UD
UD

P5
27
635
<5
11
Glu605stop
SH1
9
P6
40
<20
<20
22
G>Aψ
NA
5
P7
39
220
UD
UD
W563L
SH1

P8
60
429
7
14
994C>T
SH2
6
P9
27
132
7
17
230C>T
PH
10
P10
21
35
8
29
1630A>G
SH1
8
P11
32
462
<8
<7
227T>C
PH

P12
32
702
185
<25
1706G>A
SH1

P13
28
454
95
38
UD
UD
11
P14
27
346
16
8
1705C>T
SH1

P15
24
NA
0
1
1942-1943del AG
SH1

P16
31
527
8
30
UD
UD


UD, Undetermined; NA, Not applicable

* Serum immunoglobulins reported at the age of diagnosis

ϕ Age at diagnosis

ψ Splice site mutation at the 3' end of intron 13: IVS 13 -1 G>A

Sigmon et al. Clinical and Molecular Allergy 2008 6:5   doi:10.1186/1476-7961-6-5