ACID-HYDROLASES IN LEUKOCYTES AND PLATELETS OF NORMAL SUBJECTS AND IN PATIENTS WITH GAUCHERS AND FABRYS-DISEASE

被引:96
作者
BEUTLER, E [1 ]
KUHL, W [1 ]
MATSUMOTO, F [1 ]
PANGALIS, G [1 ]
机构
[1] CITY HOPE MED CTR, DEPT HEMATOL, DUARTE, CA 91010 USA
关键词
D O I
10.1084/jem.143.4.975
中图分类号
R392 [医学免疫学]; Q939.91 [免疫学];
学科分类号
100102 ;
摘要
Lymphocytes, monocytes, neutrophilic granulocytes and platelets were each separated to > 95% purity from 6 normal subjects, 3 patients with Gaucher''s disease, 2 heterozygotes for Gaucher''s disease and 1 patient with Fabry''s disease. Activities of the following acid hydrolases were determined: acid (pH 4.0) .beta.-glucosidase, pH 5.0 .beta.-glucosidase, .alpha.-galactosidase, .alpha.-arabinosidase, .alpha.-mannosidase, .alpha.-glucosidase, .beta.-glucuronidase, .beta.-galactosidase, .beta.-hexosaminidase and acid phosphatase. Enzymatic activity varied greatly with cell type and the enzyme being measured; the importance of assaying pure preparations especially for heterozygote detection is emphasized. Gaucher''s disease patients'' cells were deficient in the pH 4.0 acid .beta.-glucosidase, variable in the pH 5.0 .beta.-glucosidase and normal in all other acid hydrolases tested, including acid phosphatase, whose activity is elevated in plasma. Blood cells of a patient with Farbry''s disease were deficient in .alpha.-galactosidase and normal in all other acid hydrolases tested.
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页码:975 / 980
页数:6
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