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Table 1 The MLPA probe copy numbers of SMA-related genes in 42 Chinese SMA patients

From: Molecular characterization and copy number of SMN1, SMN2 and NAIP in Chinese patients with spinal muscular atrophy and unrelated healthy controls

   MLPA probe copy number
  Total SMN1/SMN2 SMN1 SMN2 NAIP
Group N = 42 Exon1 Exon4 Exon6 Exon8 Exon7 Exon8 Exon7 Exon8 Exon13 Exon5
1 3(7.1%) 2 2 2 2 0 0 2 2 1 1
2 3(7.1%) 2 2 2 2 0 0 2 2 1 0
3 1(2.4%) 2 2 2 2 0 1 2 1 1 0
4 1(2.4%) 2 2 2 2 0 0 2 2 2 1
5 1(2.4%) 3 3 3-4 3 0 0 3 3 2 1
6 1(2.4%) 3 3 3-4 3 0 0 3 3 2 2
7 4(9.5%) 3 3 3 3-4 0 0 3 3 2 2
8 2(4.8%) 4 4 4 4 0 0 4 4 2 2
9 1(2.4%) 3 3-4 3 3 0 1 2 2 2 1
10 2(4.8%) 3 3-4 3-4 3 0 0 2 3 2 2
11 9(21.3%) 3 3-4 3 3-4 0 0 3 3 2 1
12 6(14.2%) 3 3 3 3 0 0 3 3 1 1
13 1(2.4%) 3 3 3 3 0 1 3 2 1 1
14 1(2.4%) 2 2 2 2 0 1 2 1 1 1
15 1(2.4%) 2-3 2-3 3 4 0 0 3 4 2 2
16 2(4.8%) 2-3 3 3 3-4 0 0 3 4 2 1
17 2(4.8%) 1-2 2 2 2 0 0 2 2-3 2 2
18 1(2.4%) 2-3 2-3 3 3 0 1 3 2 2 1