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来自Iochroma arborescens的Withaphysalin衍生物在体外诱导抗增殖和抗迁移活动

Rodrigo Elísio de Sá¹, Gisele Santos de Araújo¹, Fabrício Dos Santos Machado¹

¹Laboratório de Cultura de Células do Delta, LCCDelta, Universidade Federal do Delta do Parnaíba, UFDPar, Parnaíba, PI, Brazil.

|August 19, 2024

概括

从Iochroma arborescens中分离出了三种维他诺化物,包括新型表皮物. (18S) -O-methyl-withaphysalin F通过减少细胞增殖,迁移和粘附,显示出显著的抗癌作用.

科学领域:

自然产品化学自然产品化学
药用化学医学化学
药理学药理学是指药理学的学科.

背景情况:

维他诺化物,来自Solanaceae植物的类固醇乳,具有显著的药用特性.
叶绿树木是一种生物活性维他诺化物的植物来源.

研究的目的:

为了从Iochroma arborescens的叶子中分离和表征维他诺化物.
研究分离化合物的细胞毒性和抗迁移潜力,特别是针对癌细胞.

主要方法:

使用NMR,IR,MS,CD和X射线衍射,对维他诺化物进行隔离和结构阐明.
对各种瘤和非瘤细胞系进行细胞毒性测试.
使用MDA-MB-231细胞进行细胞粘附,迁移和克隆原性测定.
对经过处理的细胞进行形态分析.

主要成果:

确定了三种维他诺化物:维他素F和两个新的表皮体,18R-和18S-O-甲基-维他素F.
(18S) -O-methyl-withaphysalin F在6小时内诱导细胞死亡.
用 (18S) -O-methyl-withaphysalin F治疗减少了MDA-MB-231细胞中的细胞粘附,迁移和克隆性.
形态变化包括减少的filopodia,突出,粗,和改变的细胞微观架构.

结论:

这项研究成功地分离和表征了具有显著抗癌性能的新型维他诺化物.
(18S) -O-methyl-withaphysalin F作为抗瘤剂具有前景,因此需要进一步研究分子修饰以提高功效和选择性.

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