A radiometric assay for aspartoacylase activity in cultured oligodendrocytes.

A radiometric assay for aspartoacylase activity in cultured oligodendrocytes.
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培养少突胶质细胞中天冬氨酸酰化酶活性的放射测定。

DOI:
10.1016/s0003-2697(02)00225-7
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发表时间:
2002
影响因子:
2.9
通讯作者:
Namboodiri,MAA
Namboodiri,MAA
中科院分区:
生物学4区
文献类型:
--
作者:
Madhavarao,CN;Hammer,JA;Quarles,RH;Namboodiri,MAA

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Recent studies have shown that aspartoacylase (ASPA), the defective enzyme in Canavan disease, is detectable in the brain only in the oligodendrocytes. Studying the regulation of ASPA is central to the understanding the pathogenesis of Canavan disease and to the development of therapeutic strategies. Toward this goal, we have developed a sensitive method for the assay of ASPA in cultured oligodendrocytes. The method involves: (a) chemical synthesis of [14C]N-acetylaspartate (NAA) from l-[14C]Asp; (b) use of [14C]NAA as substrate in the assay; and (c) separation and quantitation of the product l-[14C]Asp using a TLC system. This method can detect as low as 10pmol of product and has been optimized for cultured oligodendrocytes. Thus, this method promises to be a valuable tool for understanding the biochemical mechanisms involved in the cell-specific expression and regulation of ASPA in oligodendrocytes.
鼠天冬氨酸酰化酶:克隆、表达以及与人类酶的比较。
DOI: 10.1016/s0169-328x(00)00068-1
发表时间: 2000
期刊: Brain research. Molecular brain research
影响因子: --
作者:
M. Namboodiri;A. Corigliano;G. Jiang;M. Rollag;I. Provencio
通讯作者: I. Provencio
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DOI: 10.1111/j.1471-4159.1976.tb04434.x
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DOI: 10.1016/s0021-9258(18)55898-1
发表时间: 1952
期刊: The Journal of biological chemistry
影响因子: --
作者:
S. M. Birnbaum;L. Levintow;R. B. Kingsley;J. Greenstein
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发表时间: 1999
影响因子: 4.2
作者:
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