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Development of a new biomarker of GM2 gangliosidosis

Development of a new biomarker of GM2 gangliosidosis
GM2 神经节苷脂沉积症新生物标志物的开发
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

项目摘要

项目成果

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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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DOI: --
发表时间: 2013
期刊:
影响因子: --
作者: [Noda, T., A. Takahashi, N. Kondo, E. Mori, N. Okamoto, Y. Nakagawa, K. Ohnishi, M. Z. Zdzienicka, L. H. Thompson, T. Helleday, H. Asada & T. Ohnishi, 服部久範,梅田泉,木村禎亮,吉本光喜,藤井博史, 古川博之, 櫻庭 均]
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DOI: --
发表时间: 2012
期刊:
影响因子: --
作者: [Toyohara, J., Sakata, M. and Ishiwata, K, 櫻庭 均]
通讯作者: 櫻庭 均
DOI: --
发表时间: 2011
期刊:
影响因子: --
作者: [Shiba N, Taki T, Park MJ, Shimada A, Sotomatsu M, Adachi S, Tawa A, Horibe K, Tsuchida M, Hanada R, Tsukimoto I, Arakawa H, Hayashi Y., Sakuraba H]
通讯作者: Sakuraba H
アスパルチルグルコサミン尿症. 先天代謝異常ハンドブック
天冬氨酸葡萄糖胺尿。先天性代谢缺陷手册。
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发表时间: 2013
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作者: [島田慎吾、深井原、山下健一郎、鈴木友己、藤堂省, 他, 尾川浩一,小池悠介,梅田泉,藤井博史, Ohnishi T. & A.Takahashi, Fukai M, 櫻庭 均, 木村禎亮,栗山拓也,小島良紀,服部久範,梅田泉,藤井博史, 深井原, 櫻庭 均]
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40
    Thermodynamic and structural study on the interaction of an enzyme and a substrate analogue for development of new therapy for lysosomal diseases
    • 批准号:
      21390314
    • 项目类别:
      Grant-in-Aid for Scientific Research (B)
    • 资助金额:
      $10.82万
    • 财政年份:
      2009
    • 负责人:
      SAKURABA Hitoshi
    • 依托单位:
    Structure-based modification of lysosomal enzymes: development of new enzyme replacement therapy for lysosomal diseases
    Development of enzyme replacement therapy for lysosomal diseases using yeast expression system.
    Metabolism of lysosomal sialidase and molecular basis of sialidosis