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Molecules 2015, 20(4), 6113-6127;

Thapsigargin—From Thapsia L. to Mipsagargin

Department of Plant and Environmental Sciences, Faculty of Science, University of Copenhagen, Thorvaldsensvej 40, 1871 Frederiksberg, Denmark
Author to whom correspondence should be addressed.
Academic Editor: Marcello Iriti
Received: 25 February 2015 / Revised: 26 March 2015 / Accepted: 30 March 2015 / Published: 8 April 2015
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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. View Full-Text
Keywords: thapsigargin; mipsagargin; Thapsia garganica; pharmacology; biosynthesis; traditional use; sesquiterpene lactone thapsigargin; mipsagargin; Thapsia garganica; pharmacology; biosynthesis; traditional use; sesquiterpene lactone

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Andersen, T.B.; López, C.Q.; Manczak, T.; Martinez, K.; Simonsen, H.T. Thapsigargin—From Thapsia L. to Mipsagargin. Molecules 2015, 20, 6113-6127.

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