作者:Norikazu Nishino、Binoy Jose、Ryuzo Shinta、Tamaki Kato、Yasuhiko Komatsu、Minoru Yoshida
DOI:10.1016/j.bmc.2004.08.041
日期:2004.11
Chlamydocin-hydroxamic acid analogues were designed and synthesized as histone deacetylase (HDAC) inhibitors based on the structure and HDAC inhibitory activity of chlamydocin and trichostatin A. Chlamydocin is a cyclic tetrapeptide containing an epoxyketone moiety in the side chain that makes it an irreversible inhibitor of HDAC. We replaced the epoxyketone moiety of chlamydocin with hydroxamic acid to
根据衣原霉素和曲古抑菌素A的结构和HDAC抑制活性,设计并合成了衣原霉素-异羟肟酸类似物作为组蛋白脱乙酰基酶(HDAC)抑制剂。衣原霉素是环状四肽,在侧链中含有环氧酮部分,使其成为不可逆抑制剂。 HDAC。我们用异羟肟酸代替了衣原体的环氧酮部分,以设计有效且可逆的HDAC抑制剂。另外,对于一系列衣藻多菌素类似物系列,引入了许多氨基-环烷羧酸(Acc)而不是简单的氨基-异丁酸(Aib)。测试了所合成的化合物的HDAC抑制活性,结果表明其中许多是HDAC的有效抑制剂。用芳香族氨基酸代替衣原体的Aib残基增强了体内和体外的抑制活性。我们已经对衣原霉素-异羟肟酸类似物进行了圆二色性和分子模拟研究,并将其与衣原霉素的溶液结构进行了比较。