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SMN1 : SMN2 Genotype in the Control and Patient Groups
sALS, sporadic amyotrophic lateral sclerosis; SMN, survival motor neuron gene; SMN1, telomeric survival motor neuron gene; SMN2, centromeric survival motor neuron gene.
*Hybrid SMN genes, SMN1 exon 7 : SMN2 exon 7/SMN1 exon 8 : SMN2 exon 8.
†Calculated SMN protein=SMN1 copy number+0.2×SMN2 copy number.
‡p<0.001.
