Cleistanthane diterpenes from the seed of Caesalpinia sappan and their antiausterity activity against PANC-1 human pancreatic cancer cell line

Hai Xuan Nguyen, Mai Thanh Thi Nguyen, Thy Anh Nguyen, Nhi Y.Thi Nguyen, Dao Anh Thi Phan, Phuoc Ho Thi, Trong Huu Phan Nguyen, Phu Hoang Dang, Nhan Trung Nguyen, Jun Ya Ueda, Suresh Awale*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

40 Scopus citations

Abstract

Three new cleistanthane diterpenes named tomocinon (1), tomocinol A (2), and tomocinol B (3), were isolated from the EtOAc extract of the seed of Caesalpinia sappan. Their structures were determined by extensive NMR spectroscopic analysis. The absolute stereochemistry of tomocinon (1) has been established by CD spectroscopic analysis. Cleistanthane diterpenes (1-3) represents the novel class of antiausterity agents having preferential cytotoxicity against PANC-1 human pancreatic cancer cell line under nutrient deprived condition with PC50 value of 34.7 μM, 42.4 μM and 39.4 μM, respectively.

Original languageEnglish
Pages (from-to)148-153
Number of pages6
JournalFitoterapia
Volume91
DOIs
StatePublished - 2013

Keywords

  • Antiausterity strategy
  • Anticancer drug discovery
  • Caesalpinia sappan
  • Cleistanthane diterpene
  • Nutrient starvation
  • PANC-1

ASJC Scopus subject areas

  • Pharmacology
  • Drug Discovery

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