Lyso-GM2 ganglioside: a possible biomarker of Tay-Sachs disease and Sandhoff disease.

Lyso-GM2 ganglioside: a possible biomarker of Tay-Sachs disease and Sandhoff disease.
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DOI:
10.1371/journal.pone.0029074
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发表时间:
2011
期刊:
影响因子:
3.7
通讯作者:
Sakuraba H
Sakuraba H
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Kodama T;Togawa T;Tsukimura T;Kawashima I;Matsuoka K;Kitakaze K;Tsuji D;Itoh K;Ishida Y;Suzuki M;Suzuki T;Sakuraba H

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寻找泰-萨克斯病和桑德霍夫病的新生物标志物。通过高效液相色谱法测定Sandhoff小鼠脑和血浆中的溶血-GM 2神经节苷脂(lyso-GM 2)水平,并检查显示Hex A样活性的修饰的氨基己糖苷酶(Hex)B的作用。然后,测定人血浆样品中的lyso-GM 2浓度。与野生型小鼠相比,Sandhoff小鼠脑和血浆中的lyso-GM 2水平明显升高,侧脑室注射改良的Hex B后,其水平降低。Tay-Sachs病和Sandhoff病患者血浆中lyso-GM 2水平升高,并且lyso-GM 2的升高与Hex A活性的降低相关。Lyso-GM 2有望成为Tay-Sachs病和Sandhoff病的潜在生物标志物。
To find a new biomarker of Tay-Sachs disease and Sandhoff disease. The lyso-GM2 ganglioside (lyso-GM2) levels in the brain and plasma in Sandhoff mice were measured by means of high performance liquid chromatography and the effect of a modified hexosaminidase (Hex) B exhibiting Hex A-like activity was examined. Then, the lyso-GM2 concentrations in human plasma samples 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 intracerebroventricular administration of the modified Hex B. The lyso-GM2 levels in plasma of patients with Tay-Sachs disease and Sandhoff disease were increased, and the increase in lyso-GM2 was associated with a decrease in Hex A activity. Lyso-GM2 is expected to be a potential biomarker of Tay-Sachs disease and Sandhoff disease.
DOI: 10.1515/bchm3.1986.367.1.241
发表时间: 1986-03-01
期刊: BIOLOGICAL CHEMISTRY HOPPE-SEYLER
影响因子: --
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