Development of a new biomarker of GM2 gangliosidosis
Development of a new biomarker of GM2 gangliosidosis
批准号:
23659527
负责人:
SAKURABA Hitoshi
金额:
$2.25万
依托单位国家:
日本
项目类别:
Grant-in-Aid for Challenging Exploratory Research
财政年份:
2011
资助国家:
日本
项目状态:
已结题
起止时间:
2011 至 2013
中文摘要
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英文摘要
To develop a new biomarker of GM2 gangliosidosis, we focused attention on lyso-GM2 ganglioside (lyso-GM2). We measured the lyso-GM2 levels in the brain and plasma of Sandhoff mice by means of high performance liquid chromatography, and examined the effects of a modified hexosaminidase B (HexB) exhibiting hexosaminidase A (HexA)-like activity. Then, the lyso-GM2 concentrations in plasma from patients with Tay-Sachs disease and Sandhoff disease were determined. The lyso-GM2 levels in the brain and plasma in Sandhoff mice were apparently increased compared with those in wild-type mice, and they decreased on intraventricular administration of the modified HexB. The plasma lyso-GM2 levels in the patients with Tay-Sachs disease and Sandhoff disease were increased, and their increase in lyso-GM2 was associated with a decrease in HexA activity. Considering the results, lyso-GM2 is thought to be a potential biomarker of GM2 gangliosidosis.
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共 40 条
Thermodynamic and structural study on the interaction of an enzyme and a substrate analogue for development of new therapy for lysosomal diseases
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批准号:21390314
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项目类别:Grant-in-Aid for Scientific Research (B)
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资助金额:$10.82万
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财政年份:2009
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负责人:SAKURABA Hitoshi
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依托单位:
Structure-based modification of lysosomal enzymes: development of new enzyme replacement therapy for lysosomal diseases
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批准号:18390303
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项目类别:Grant-in-Aid for Scientific Research (B)
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资助金额:$7.48万
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财政年份:2006
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负责人:SAKURABA Hitoshi
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依托单位:
Development of enzyme replacement therapy for lysosomal diseases using yeast expression system.
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批准号:15591149
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资助金额:$2.24万
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财政年份:2003
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负责人:SAKURABA Hitoshi
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Metabolism of lysosomal sialidase and molecular basis of sialidosis
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批准号:12670801
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项目类别:Grant-in-Aid for Scientific Research (C)
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资助金额:$2.11万
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财政年份:2000
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负责人:SAKURABA Hitoshi
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Structural analysis and molecular designing of enzyme proteins : Its application to clarification of pathology of inherited metabolic diseases and development of therapy
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批准号:08670932
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项目类别:Grant-in-Aid for Scientific Research (C)
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资助金额:$1.47万
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财政年份:1996
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负责人:SAKURABA Hitoshi
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Three-dimensional imaging of cells and tissues for the clarification of pathogenesis of inherited metabolic diseases.
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批准号:06670847
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项目类别:Grant-in-Aid for General Scientific Research (C)
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资助金额:$1.34万
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负责人:SAKURABA Hitoshi
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Gene expression and its application to the investigation on pathogenesis of congenital metabolic diseases and development of therapy for them.
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批准号:03670516
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项目类别:Grant-in-Aid for General Scientific Research (C)
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资助金额:$1.34万
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负责人:SAKURABA Hitoshi
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