1. Academic Validation
  2. Identification of Ingol and Rhamnofolane Diterpenoids from Euphorbia resinifera and Their Abilities to Induce Lysosomal Biosynthesis

Identification of Ingol and Rhamnofolane Diterpenoids from Euphorbia resinifera and Their Abilities to Induce Lysosomal Biosynthesis

  • J Nat Prod. 2018 May 25;81(5):1209-1218. doi: 10.1021/acs.jnatprod.7b00981.
Ning-Dong Zhao 1 2 3 Xiao Ding 2 Yu Song 2 Dong-Qiong Yang 2 Hai-Li Yu 2 Tiwalade Adegoke Adelakun 2 Wen-Dan Qian 2 Yu Zhang 2 Ying-Tong Di 2 Fang Gao 1 Xiao-Jiang Hao 2 Shun-Lin Li 2
Affiliations

Affiliations

  • 1 College of Chemistry and Chemical Engineering , Chongqing University , Chongqing , 400044 , People's Republic of China.
  • 2 State Key Laboratory of Phytochemistry and Plant Resources in West China , Kunming Institute of Botany, Chinese Academy of Sciences , Kunming 650201 , People's Republic of China.
  • 3 College of Chemistry and Engineering , Wenshan University , Wenshan 663000 , People's Republic of China.
Abstract

The phytochemical study of Euphorbia resinifera afforded 18 structurally diverse Diterpenoids, including 14 new ingol-type Diterpenoids, euphorblins A-N (1-14), a new rhamnofolane diterpenoid, euphorblin O (15), and three known analogues (16-18). The structures of these compounds were deduced using 2D NMR spectroscopy and NOE experiments. The structure of compound 1 was confirmed by single-crystal X-ray crystallography. The abilities of the compounds to enhance lysosomal biosynthesis were evaluated through LysoTracker Red staining. Among the 10 active compounds, compounds 2, 4, and 18 showed remarkable immunofluorescence strength, and their LysoTracker staining intensities were 155.9%, 143.5%, and 140.7%, respectively, greater than that of the control. A series of lysosomal genes were also found to be upregulated by these compounds, which further confirms their ability to induce lysosome biosynthesis and suggests that these Diterpenoids have potential as lead compounds for the development of drugs for the treatment of lysosome-related diseases.

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