Clinical Study
Clinical and Genetic Study of Algerian Patients with Spinal Muscular Atrophy
Table 5
Distribution of homozygous deletion of SMN1 and NAIP genes according to the different types of SMA.
| | of families | SMN1 gene deletion | NAIP gene deletion | | Exon 7 | Exon 8 | Exons 7 and 8 | Exon 4/5 |
| | I () | 2 (14%) | 1 (7%) | 8 (57%) | 4 (28%) | | II () | 1 (10%) | 0 | 6 (60%) | 2 (20%) | | III () | 1 (3%) | 2 (6%) | 21 (67%) | 9 (29%) | | IV () | 0 | 0 | 1 (50%) | 0 |
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