Table 3.
Confirmed pathogenic mutations found by whole-exome sequencing
Patient No. | Phenotype | LCSH | Mutated gene | Affected transcript | Protein change | Disease | First report of the mutation |
---|---|---|---|---|---|---|---|
Patients in whom a pathogenic mutation was confirmed inside an LCSH | |||||||
1 | transfusion-dependent, non-immune hemolytic anemia | arr[hg19] 1q21.2q23.2(149,698,049 – 159,667,190)×2 hmz | PKLR | NM_000298.5: c.1137_1139del | NM_000298.5: p.(Lys380del) | pyruvate kinase deficiency of red cells (OMIM 266200) | this report |
2 | developmental delay, ataxia, cerebellar atrophy | arr[hg19] 5q31.1q31.2(132,669,425 – 139,522,328)×2 hmz | SIL1 | NM_022464.4: c.947dupT | NM_022464.4: p.(Arg317Glufs*35) | Marinesco-Sjögren syndrome (OMIM 248800) | Senderek et al., 2005 |
Patients in whom a pathogenic mutation was confirmed outside an LCSH | |||||||
3 | intellectual disability, macrocephaly | arr[hg19] 1q25.3q32.1(182,559,510 – 200,136,582)×2 hmz, 14q13.3q21.2(37,290,124 – 44,790,527)×2 hmz | – | ||||
in smaller LCSH: arr[hg19] 19q13.32q13.33(47,035,436 – 48,534,068)×2 hmz | KPTN | NM_007059.2: c.665dupA | NM_007059.2: p.(Ser223Glnfs* 18) | mental retardation, autosomal recessive 41 (OMIM 615637) | Pajusalu et al., 2015 | ||
4 | oligohydramnios, congenital renal insufficiency, hypotension, calvarial hypoplasia | arr[hg19] Xp22.1p21.2(23,811,075 – 29,602,016)×2 hmz | – | ||||
outside LCSH in 1p32.1 | REN | NM_000537.3: c.[341C>T];[255G>C] | NM_000537.3: p.[(Ser114Phe)]; [(Gln85His)] | renal tubular dysgenesis (OMIM 267430) | this report |