Abstract:
BACKGROUND:The X-linked Fabry disease (FD) is a multiorgan disorder due to alpha-galactosidase A (α-GAL) deficiency with consequent lysosomal accumulation of globotriaosylceramide (Gb3). We established the immunocytochemical detection of Gb3 in blood cells of FD patients as a new method for FD diagnostics, follow-up and treatment control. METHODS:We enrolled 67 FD patients (37 men, 30 women) and 52 healthy controls (26 men, 26 women). PBMC were isolated from whole venous blood and 3x105 cells were immunoreacted with antibodies against CD77 as a marker for Gb3. Using fluorescence microscopy, the mean percentage of Gb3 positive PBMC was determined by an investigator blinded to subject allocation. As a second method, we qualitatively assessed Gb3 positive cells in blood smears. RESULTS:Gb3 deposits were unequivocally visible in PBMC and in blood smears. Men (P < 0.001) and women (P < 0.01) with classical FD had more Gb3-positive PBMC than healthy controls, whose samples only occasionally showed positive cells. The number of Gb3 positive PBMC was negatively correlated with α-GAL activity and positively correlated with plasma lyso-Gb3 levels. Only the PBMC Gb3 load but not plasma lyso-Gb3 reflected short- and long-term effects of enzyme replacement therapy (P < 0.01). CONCLUSIONS:Gb3 can be visualized in PBMC and blood smears and can be used as a novel marker for diagnostics, follow-up and treatment control in FD.
journal_name
J Intern Medjournal_title
Journal of internal medicineauthors
Üçeyler N,Böttger J,Henkel L,Langjahr M,Mayer C,Nordbeck P,Wanner C,Sommer Cdoi
10.1111/joim.12801subject
Has Abstractpub_date
2018-10-01 00:00:00pages
427-438issue
4eissn
0954-6820issn
1365-2796journal_volume
284pub_type
杂志文章abstract:OBJECTIVE:To analyse the associations between serum gamma-glutamyl transpeptidase activity (GTP) and the components of the metabolic syndrome. DESIGN:Cross-sectional, observational study of hypertensive patients and controls. SETTING:The participating subjects visited the research laboratory of the Department of Inte...
journal_title:Journal of internal medicine
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pub_type: 杂志文章,多中心研究
doi:10.1111/j.1365-2796.2010.02322.x
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journal_title:Journal of internal medicine
pub_type: 临床试验,杂志文章,随机对照试验
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journal_title:Journal of internal medicine
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journal_title:Journal of internal medicine
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更新日期:1991-02-01 00:00:00
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pub_type: 杂志文章,多中心研究
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journal_title:Journal of internal medicine
pub_type: 杂志文章
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abstract::This study was performed to evaluate thyroid and adrenal function in patients with familial amyloidotic polyneuropathy. Twenty-four patients without any clinical overt endocrinological dysfunction were studied. None of the patients showed laboratory evidences of hypo- or hyperthyroidism. A short ACTH-stimulation test ...
journal_title:Journal of internal medicine
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pub_type: 杂志文章
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更新日期:2013-06-01 00:00:00
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更新日期:2017-07-01 00:00:00
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journal_title:Journal of internal medicine
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journal_title:Journal of internal medicine
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doi:10.1046/j.1365-2796.2003.01145.x
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更新日期:2019-11-01 00:00:00