1.广州中医药大学中药学院,广东 广州 510006
2.热带生物资源教育部重点实验室 / 海南大学药学院,海南 海口 570228
3.广州中医药大学第二附属医院Ⅰ期临床研究室,广东 广州 510120
黄尚瑛(1999年生),女;研究方向:天然活性小分子的发现与优化;E-mail:20221110765@stu.gzucm.edu.cn
曹影影(1990年生),女;研究方向:中药药理学;E-mail:caoyingying@gzucm.edu.cn
何细新(1972年生),男;研究方向:天然活性小分子的发现与优化;E-mail:mark07@gzucm.edu.cn
收稿:2024-12-21,
录用:2025-01-06,
网络出版:2025-06-10,
纸质出版:2025-07-25
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黄尚瑛,刘兴福,陈思竹等.芒果苷元衍生物的设计合成及其抑制磷酸二酯酶4活性[J].中山大学学报(自然科学版)(中英文),2025,64(04):79-90.
HUANG Shangying,LIU Xingfu,CHEN Sizhu,et al.Design and synthesis of norathyriol derivatives and their inhibition of phosphodiesterase 4 activity[J].Acta Scientiarum Naturalium Universitatis Sunyatseni,2025,64(04):79-90.
黄尚瑛,刘兴福,陈思竹等.芒果苷元衍生物的设计合成及其抑制磷酸二酯酶4活性[J].中山大学学报(自然科学版)(中英文),2025,64(04):79-90. DOI: 10.13471/j.cnki.acta.snus.ZR20240361.
HUANG Shangying,LIU Xingfu,CHEN Sizhu,et al.Design and synthesis of norathyriol derivatives and their inhibition of phosphodiesterase 4 activity[J].Acta Scientiarum Naturalium Universitatis Sunyatseni,2025,64(04):79-90. DOI: 10.13471/j.cnki.acta.snus.ZR20240361.
基于芒果苷元(norathyriol)氧杂蒽酮骨架,以芒果苷为起始原料开展结构修饰,经脱去2-糖基、2,3-环合、6,7-取代反应,设计合成了16个衍生物;采用[
3
H]标记液体闪烁计数法,评价衍生物体外抑制磷酸二酯酶4(PDE4)活性;运用Auto-Dock及pymol软件分析强抑制活性衍生物
4
与PDE4靶点蛋白的结合模式。结果表明,所得衍生物对PDE4的抑制活性较芒果苷元均有较大提升,其中衍生物
4
的抑制活性最高(IC
50
=358 nmol/L),对接显示结构中吡喃环与Gln-369形成氢键作用,6-位甲基环丙烷取代基与周围的疏水氨基酸形成疏水相互作用。
Derivatives of Norathyriol were designed and synthesized in this study, and their phosphodiesterase4(PDE4) inhibitory activities were evaluated
in vitro
. Mangiferin was used as the starting material for structural modification, and sixteen derivatives were prepared through 2-deglycosylation,2,3-cyclic synthesis, and 6,7-su
bstitution reactions and other methods. The PDE4 inhibitory activities of these compounds were evaluated
in vitro
by [
3
H] liquid scintillation counting method. Among these compounds, derivative
4
has the highest inhibitory activity (IC
50
=358 nmol/L). The docking display structure showed that the pyran ring could form hydrogen bonds with Gln-369, and the 6-methyl cyclopropane could form hydrophobic interactions with surrounding hydrophobic amino acids.
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