Table 1. Genotype-phenotype correlation analysis of Korean CdLS patients harboring SMC1A or NIPBL mutations.
| Category* | This study | Park et al. (2010) [8] | Park et al. (2010) [9] | ||||
|---|---|---|---|---|---|---|---|
| III:1 | III:2 | II:4 | I:2 | ||||
| Sex | M | F | F | F | M | M | M |
| Gene involved | SMC1A | SMC1A | SMC1A | SMC1A | NIPBL | NIPBL | NIPBL |
| Nucleotide change | c.3178G > A | c.3178G > A | c.3178G > A | c.3178G > A | c.7178C > G | c.6108+2T > C | c.4028A > C |
| Protein effect | p.Glu1060Lys | p.Glu1060Lys | p.Glu1060Lys | p.Glu1060Lys | p.Ser2393* | NA | p.His1343Pro |
| Gestational age (week) | 35 | term | ND | ND | 32 | 36 + 3 | term |
| Birth weight (gram) | 2,200 | 3,200 | ND | ND | 1,840 | 2,050 | 2,070 |
| Facial anomaly | |||||||
| Synophrys | + | - | - | - | + | + | + |
| Secondary criteria† | + | - | - | - | + | + | + |
| Short stature | + | ND | + | + | ND | ND | + |
| Developmental delay | + | + | + | + | ND | ND | + |
| Musculoskeletal anomaly | |||||||
| Limb reduction defect | - | - | - | - | + | + | + |
| Small hands and/or feet | + | - | - | - | + | + | + |
| 5th finger clinodactyly | + | - | - | - | ND | ND | + |
| Neurosensory/Skin | |||||||
| Ptosis | - | - | - | - | ND | + | |
| Hearing loss | - | - | - | - | ND | + | - |
| Hirsutism | + | - | - | - | ND | + | + |
| Other major symptoms | - | - | - | - | Cleft palate, micrognathia | Cleft palate, cryptorchidism, micropenis with hypospadias | ND |
The reference sequences used are NM_006306.3 (SMC1A) and NM_133433.3 (NIPBL).
*Diagnostic criteria for CdLS reported in the literature [4]; †Long eyelashes, short nose with anteverted nares, long philtrum, broad or depressed nasal bridge, small or square chin, thin lips, high palate, and widely spaced or absent teeth.
Abbreviations: M, male; F, female; NA, not applicable; ND, no data.