Table 2.
Clinical Features of Individuals with Mutations in SPATA5
Individual | Age (Years) | Sex | Proband or Sibling | Nucleotide and Amino Acid Changes | Hypotonia | Spasticity | DD | Vision Defect | SNHL | Microcephaly | Brain MRI | Seizure | Abnormal EEG | GI |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | 6 | F | P | c.2531C>T (p.Ala844Val), c.1574_1578delATGCT (p.Asn525Thrfs∗20) | + | + | + | + | + | + | thin corpus callosum | − | + | + |
2 | 9 | F | S of 1 | c.2531C>T (p.Ala844Val), c.1574_1578delATGCT (p.Asn525Thrfs∗20) | + | + | + | + | + | + | thin corpus callosum | + | + | + |
3 | 5 | F | P | c.2362_2371delATTGATAGAA (p.Ile788Serfs∗47), c.251G>A (p.Arg84Gln) | + | + | + | + | + | + | delayed myelination | + | + | + |
4 | 4 | F | P | c.1343C>T (p.Ser448Leu), c.556C>T (p.Arg186∗) | + | − | + | + | + | + | normal | + | + | + |
5 | 2 | F | P | c.298G>A (p.Ala100Thr), c.556C>T (p.Arg186∗) | + | + | + | + | + | + | hypomyelination | + | + | + |
6 | 11 | M | P | c.2351G>A (p.Arg784Gln), c.269G>T (p.Ser90Ile) | + | + | + | + | + | + | progressive diffuse atrophy | + | + | + |
7 | 6 | F | S of 6 | c.2351G>A (p.Arg784Gln), c.269G>T (p.Ser90Ile) | + | − | + | ND | + | + | normal | + | + | + |
8 | 19 | M | P | c.1883A>G (p.Asp628Gly), c.1586G>A (p.Arg529Gln) | + | + | + | + | + | ND | cortical atrophy, immature myelination | + | + | + |
9 | 14 | F | S of 8 | c.1883A>G (p.Asp628Gly), c.1586G>A (p.Arg529Gln) | + | − | + | + | + | + | ND | + | + | − |
10 | 8 | M | P | c.1878G>C (p.Trp626Cys), c.1714+1G>A | hypertonia | + | + | + | + | + | normal | + | + | + |
11 | 3 | M | S of 10 | c.1878G>C (p.Trp626Cys), c.1714+1G>A | + | − | + | + | + | + | ND | + | + | + |
12 | 5 | M | P | c.1883A>G (p.Asp628Gly), c.1677C>A (p.Tyr559∗) | + | + | + | + | + | − | enlarged cerebrospinal fluid spaces | + | + | + |
13 | 11 | F | P | c.989_991del (p.Thr330del) | + | − | + | + | + | + | normal | + | + | + |
14 | 4 | M | P | c.251G>A (p.Arg84Gln) | + | + | + | + | + | + | normal | + | + | + |
See Table S2 for additional details of clinical presentations. Abbreviations are as follows: DD, developmental delay; EEG, electroencephalogram; GI, gastrointestinal issues; ND, not determined because of availability or applicability; P, proband; S, sibling; SNHL, sensorineural hearing loss.