Thapsigargin-From Thapsia L. to Mipsagargin

Trine Bundgaard Andersen, Carmen Quinonero Lopez, Tom Manczak, Karen Martinez, Henrik Toft Simonsen

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Abstract

The sesquiterpene lactone thapsigargin is found in the plant Thapsia garganica L., and is one of the major constituents of the roots and fruits of this Mediterranean species. In 1978, the first pharmacological effects of thapsigargin were established and the full structure was elucidated in 1985. Shortly after, the overall mechanism of the Sarco-endoplasmic reticulum Ca2+-ATPase (SERCA) inhibition that leads to apoptosis was discovered. Thapsigargin has a potent antagonistic effect on the SERCA and is widely used to study Ca2+-signaling. The effect on SERCA has also been utilized in the treatment of solid tumors. A prodrug has been designed to target the blood vessels of cancer cells; the death of these blood vessels then leads to tumor necrosis. The first clinical trials of this drug were initiated in 2008, and the potent drug is expected to enter the market in the near future under the generic name Mipsagargin (G-202). This review will describe the discovery of the new drug, the on-going elucidation of the biosynthesis of thapsigargin in the plant and attempts to supply the global market with a novel potent anti-cancer drug.
Original languageEnglish
JournalMolecules
Volume20
Issue number4
Pages (from-to)6113-6127
Number of pages15
ISSN1420-3049
DOIs
Publication statusPublished - 2015
Externally publishedYes

Bibliographical note

This is an open access article distributed under the Creative Commons Attribution License (CC BY 4.0).

Keywords

  • Thapsigargin
  • Mipsagargin
  • Thapsia garganica
  • Pharmacology
  • Biosynthesis
  • Traditional use
  • Sesquiterpene lactone

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