Table 3.
Molecular findings in T−/+B+NK−SCID.
| Pt No. | Defective gene | Nucleotide change | Protein change | Mutation type | Allele | Carrier status | References | Method | |
|---|---|---|---|---|---|---|---|---|---|
| Mother | Father | ||||||||
| P7 | IL2RG | c.202 G>A | p. E68K | Missense | Hemizygous | Carrier | NA | (13) | Sanger |
| P8 | IL2RG | c.202 G>A | p. E68K | Missense | Hemizygous | Carrier | NA | (13) | Sanger |
| P10 | IL2RG | c.943 A>T | p. K315X | Nonsense | Hemizygous | Carrier | NA | This study | Sanger |
| P12 | JAK3* | c.2072T>A | p. V691E | Missense | Homozygous | Carrier | Carrier | This study | NGS |
| P15 | JAK3 | c.2978G>A | p. W993X | Nonsense | Homozygous | Carrier | Carrier | This study | NGS |
| P25 | PRKDC | c.9862C>T c.11588G>A | p. R3288W, p. R3863H | Missense Missense | Compound Heterozygous | ND | ND | This study | NGS |
| P29 | JAK3 | c.2488A>T | p. K830X | Nonsense | Homozygous | Carrier | Carrier | This study | NGS |
| P36 | JAK3 | c.595 C>T, c.2805+5G>A | p. R199C 5′proximal splice site | Missense, Splice site mutation | Compound Heterozygous | Carrier | Carrier | Reported This study | NGS |
| P37 | IL2RG | c.676C>T | p. R226C | Missense | Hemizygous | ND | ND | (13) | NGS |
| P39 | JAK3 | c.862-2A>G, c.442 G>A | 3′ Splice site Intron 6; p. G148R | Splice site Missense | Compound Heterozygous | Carrier | Carrier | This study, This study | NGS |
| P40 | JAK3 | c.2243delA | p. K748SfsTer8 | Deletion | Homozygous | Carrier | Carrier | This study | NGS |
| P45 | IL2RG | c.3 G>A | p. M1I | Frameshift | Hemizygous | ND | ND | (13) | Sanger |
| P31 | IL7RA | c.437_438delTT | p. F146CfsTer5 | Frameshift | Homozygous | Carrier | Carrier | This study | Sanger |
| P41 | IL2RG | c.53delT | p. L18RfsTer6 | Frameshift | Hemizygous | ND | ND | This study | Sanger |
| P44 | IL2RG | c.979G>A | p. E327K | Missense | Hemizygous | Carrier | ND | This study | Sanger |
| P52 | JAK3 | c.2350 G>C | p. R784N | Missense | Homozygous | Carrier | Carrier | (14) | NGS |
| P54 | JAK3 | c.1351 C>T | p.R451X | Nonsense | Homozygous | Carrier | Carrier | This study | NGS |
| P55 | JAK3 | c.307 C>T c.421-6 C>T | p.R103C; 3′splice variant | Missense, Splice site | Compound Heterozygous | ND | ND | (15) This study | NGS |
IL2RG, Interleukin 2 receptor gamma chain; JAK3, Janus Kinase 3; IL7RA, Interleukin 7 receptor alpha;
P12 was identified with the help of WES.