Novel mutations can
potentially provide insight into the glucocerebrosidase structure–function relationship and biochemical basis of
the disease. Here, we report the identification of two novel mutations in two unrelated patients with type I (nonneuronopathic)
Gaucher disease: 1) a splice site mutation IVS9+1GNA; and (2) a complex allele (cis) G355R/
R359X. Both patients have a common N370S mutation in the other allele.