Design, synthesis, and evaluation of novel inhibitors for wild-type human serine racemase.

Design, synthesis, and evaluation of novel inhibitors for wild-type human serine racemase.
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野生型人丝氨酸消旋酶新型抑制剂的设计、合成和评估。

DOI:
10.1016/j.bmcl.2017.12.021
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发表时间:
2018
期刊:
Bioorg Med Chem Lett.
影响因子:
--
通讯作者:
Toyooka N.
Toyooka N.
中科院分区:
--
文献类型:
--
作者:
Takahara S;Nakagawa K;Uchiyama T;Yoshida T;Matsumoto K;Kawasumi Y;Mizuguchi M;Obita T;Watanabe Y;Hayakawa D;Gouda H;Mori H;Toyooka N.

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脑内大部分内源性游离丝氨酸(约90%)由丝氨酸消旋酶(SR)产生。d-丝氨酸作为NMDA型谷氨酸受体的内源性共激动剂参与神经退行性疾病和癫痫状态。因此,SR抑制剂有望成为治疗这些疾病的新的治疗候选物。本研究通过解析野生型SR的晶体结构,并尝试利用这些结构信息进行电子筛选,以鉴定一种新的SR抑制剂。基于化合物1的结构,我们合成了15个化合物,并对其进行了体外活性评价,其中化合物9 C对野生型SR的抑制活性较高,化合物9 C的抑制活性高于化合物24,它是本课题组根据muplant型SR的结构信息合成的。
Most of the endogenous freed-serine (about 90%) in the brain is produced by serine racemase (SR).d-Serine in the brain is involved in neurodegenerative disorders and epileptic states as an endogenous co-agonist of the NMDA-type glutamate receptor. Thus, SR inhibitors are expected to be novel therapeutic candidates for the treatment of these disorders. In this study, we solved the crystal structure of wild-type SR, and tried to identify a new inhibitor of SR byin silicoscreening using the structural information. As a result, we identified two hit compounds by theirin vitroevaluations using wild-type SR.Based on the structure of the more potent hit compound1, we synthesized 15 derivatives and evaluated their inhibitory activities against wild-type SR. Among them, the compound9Cshowed relatively high inhibitory potency for wild-type SR. Compound9Cwas a more potent inhibitor than compound24, which was synthesized by our group based upon the structural information of the mutant-type SR.
一种新型丝氨酸消旋酶抑制剂可抑制体内神经元过度激活。
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