NDLI: Clinical and Molecular Characteristics of Japanese Gaucher Disease

Content Provider	Springer Nature Link
Author	Eto, Yoshikatsu Ida, Hiroyuki
Copyright Year	1999
Abstract	Clinical signs and symptoms of Gaucher disease are more severe in Japanese than in Jewish and other non-Japanese patients. A higher percentage of bone crises and splenectomy was demonstrated by Japanese patients, and there were five fatalities among patients with type 1 Gaucher disease. Additionally, neonatal Gaucher disease, clinically characterized by hydrops foetalis, was observed. Japanese patients with type 2 and type 3 disease also demonstrate clinical heterogeneity. About 100 alleles of patients with Japanese Gaucher disease were examined for genotype determination with the PCR and SSCP methods. About 18 different mutations, including several novel mutations in Japanese patients, were identified. The most common mutations in Japanese patients were 1448C(L444P), accounting for 41 (41%) of alleles. The second most prevalent mutation was 754A(F2131), accounting for 14 (14%) of alleles. Other alleles identified included the 1324C, IVS2 and other mutations. Unidentified alleles comprised 16% of the total number of alleles studied. To date, neither the 1226G (N370S) nor the 84GG mutation has been identified in the Japanese population, although these mutations account for about 70% and 10% of the mutations in Jewish and other non-Japanese populations, respectively. The phenotype-genotype correlation in Japanese patients is more complex compared with that of the Jewish population. In Japanese patients, the 1448C mutation, in either heteroallelic or homoallelic forms, exhibits both neurological and non-neurological phenotypes. Japanese patients with the 754A mutation also exhibit both neuronopathic and non-neuronopathic disease. On the other hand, patients with the D409H mutation show only type 3 neurological disease, and those with the 1447–1466 del 20 ins TG mutation have the severe, neonatal neurological form of Gaucher disease. The 1503T allele was present only in patients with type 1 non-neurological disease. However, since this correlation was observed only in young patients, we do not as yet know the final phenotypic outcome of this mutation. Probably, Japanese patients with Gaucher disease have few mutations that exhibit non-neurological signs and symptoms.
Starting Page	207
Ending Page	211
Page Count	5
File Format	PDF
ISSN	03643190
Journal	Neurochemical Research
Volume Number	24
Issue Number	2
e-ISSN	15736903
Language	English
Publisher	Kluwer Academic Publishers-Plenum Publishers
Publisher Date	1999-01-01
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Neurosciences Neurology Biochemistry
Content Type	Text
Resource Type	Article
Subject	Medicine Biochemistry Cellular and Molecular Neuroscience

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