Table 1.
Mutations identified in the ACADBS gene in patient cell lines
Mutation | Presentation | Treatment | Follow up “C5 carnitine” nM/ml (normal range for lab) | Outcome |
---|---|---|---|---|
Homozygous c.295 C>T in exon 3 (p.Gln99X, precursor protein) | Detected on NBS, asymptomatic | None | 0.88 (<0.8) | No symptoms |
Heterozygous c.443C>T in exon 4 (p.Thr148Ile, precursor protein) | ||||
Heterozygous c.1159 G>A in exon 10 (p.E387K, precursor protein) | Detected on NBS, asymptomatic | None | 1.89 (<0.63) | No symptoms |
Heterozygous c.50G>A, p.R13K | ||||
Heterozygous c621G>A in genomic DNA (W207X, precursor protein) | Detected on NBS, asymptomatic | None | 0.25 (0.33) | No symptoms |
Homozygous for this mutation in cDNA | ||||
Homozygous IVS3+1G>A | Detected on NBS, asymptomatic | None | 2.58 ((<.63) | No symptoms |
Homozygous IVS3+1G>A | 4 year old Developmental delay, dysmorphic features | None | 1.47 (<0.38) | Developmental delay, simplified brain sulci pattern, microcephaly |