Analyses of molecular mechanisms of homeostasis by carnosine in mammals and carnosine-hydrolyzing enzyme, CNDP2
哺乳动物肌肽和肌肽水解酶 CNDP2 稳态的分子机制分析
基本信息
- 批准号:20570132
- 负责人:
- 金额:$ 3.16万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for Scientific Research (C)
- 财政年份:2008
- 资助国家:日本
- 起止时间:2008 至 2010
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Carnosine (beta-alanyl-L-histidine) is a dipeptide present at high concentrations in mammalian muscles and brain. Carnosine has been suggested to be ace as an antioxidant, but its function as well as the enzymes responsible for its synthesis and degradation has not well been understood. We have previously found an enzyme that can hydrolyze carnosine (CNDP2), and then in the present study, we have analyzed the structure, function and distrubution of CNDP2. We have determine the crystal structure of CNDP2 and revealed its structural features. In addition, we have found that it is highly expressed in the histaminergic neurons in the hypothalamus, raising a possibility that carnosine and CNDP2 may contribute the production of substrate for histamine synthesis.
肉豆蔻素(β-丙烷-l-抗二氨酸)是哺乳动物肌肉和大脑中高浓度的二肽。肉豆蔻被认为是一种抗氧化剂,但其功能以及负责其合成和降解的酶尚未得到充分了解。我们以前已经找到了一种可以水解carnosine(CNDP2)的酶,然后在本研究中,我们分析了CNDP2的结构,功能和分辨率。我们确定了CNDP2的晶体结构,并揭示了其结构特征。此外,我们发现它在下丘脑的组胺能神经元中高度表达,从而提出了一种可能性carnosine和cndp2可能促进组胺合成的底物的产生。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Requirement of dimer formation for enzymatic reaction of mouse carnosine dipeptidase 2 (CNDP2)
小鼠肌肽二肽酶 2 (CNDP2) 酶促反应形成二聚体的要求
- DOI:
- 发表时间:2010
- 期刊:
- 影响因子:0
- 作者:Okumura N;Kusunoki M;Takao T
- 通讯作者:Takao T
PACAP-Deficient Mice Exhibit Light Parameter-Dependent Abnormalities on Nonvisual Photoreception and Early Activity Onset
- DOI:10.1371/journal.pone.0009286
- 发表时间:2010-02-18
- 期刊:
- 影响因子:3.7
- 作者:Kawaguchi, Chihiro;Isojima, Yasushi;Baba, Akemichi
- 通讯作者:Baba, Akemichi
Localization of phospho-tyrosine489-β-adducin immunoreactivity in the hypothalamic tanycytes and its involvement in energy homeostasis
磷酸酪氨酸489-β-内收蛋白免疫反应性在下丘脑单胞细胞中的定位及其与能量稳态的关系
- DOI:
- 发表时间:2008
- 期刊:
- 影响因子:0
- 作者:若松泰介;増井良治;Hitoshi Gotoh
- 通讯作者:Hitoshi Gotoh
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OKUMURA Nobuaki其他文献
OKUMURA Nobuaki的其他文献
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{{ truncateString('OKUMURA Nobuaki', 18)}}的其他基金
Function and metabolism of a histidine-containing dipeptide, carnosine, in mammals
含组氨酸二肽肌肽在哺乳动物中的功能和代谢
- 批准号:
23570164 - 财政年份:2011
- 资助金额:
$ 3.16万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
Molecular Mechanism of Photic Entrainment of Mammalian Circadian Clock
哺乳动物昼夜节律钟光夹带的分子机制
- 批准号:
16590228 - 财政年份:2004
- 资助金额:
$ 3.16万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
Function of tyrosine phosphorylation of BIT in photic entrainment of the circadian clock in rats
BIT酪氨酸磷酸化在大鼠生物钟光牵引中的作用
- 批准号:
13670122 - 财政年份:2001
- 资助金额:
$ 3.16万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
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