Synthesis and biological evaluation of sphingosine kinase substrates as sphingosine-1-phosphate receptor prodrugs
作者:Frank W. Foss、Thomas P. Mathews、Yugesh Kharel、Perry C. Kennedy、Ashley H. Snyder、Michael D. Davis、Kevin R. Lynch、Timothy L. Macdonald
DOI:10.1016/j.bmc.2009.04.015
日期:2009.8
sphingosine 1-phosphate (S1P) receptor ligands, a series of 2-amino-2-heterocyclic-propanols were synthesized. These molecules were discovered to be substrates of human-sphingosine kinases 1 and 2 (SPHK1 and SPHK2). When phosphorylated, the resultant phosphates showed varied activities at the five sphingosine-1-phosphate (S1P) receptors (S1P1–5). Agonism at S1P1 was displayed in vivo by induction of lymphopenia
在寻找生物活性鞘氨醇 1-磷酸 (S1P) 受体配体的过程中,合成了一系列 2-氨基-2-杂环丙醇。这些分子被发现是人鞘氨醇激酶 1 和 2(SPHK1 和 SPHK2)的底物。磷酸化后,生成的磷酸盐对五种 1-磷酸鞘氨醇 (S1P) 受体 (S1P 1–5 )显示出不同的活性。S1P 1 的激动通过诱导淋巴细胞减少在体内显示。季碳的立体化学偏好对于激酶的磷酸化和改变 S1P 受体的结合亲和力至关重要。恶唑和恶二唑化合物是优于 FTY720(原型前药免疫调节剂芬戈莫德 (FTY720))的激酶底物。恶唑衍生的结构对人 SPHK2 的活性最强。咪唑类似物是 SPHK 活性较低的底物,但对 S1P 1受体而言是更有效和选择性的激动剂;此外,咪唑类化合物使小鼠淋巴细胞减少。