Plant-Derived Anticancer Agents: Lessons from the Pharmacology of Geniposide and Its Aglycone, Genipin

For centuries, plants have been exploited by mankind as sources of numerous cancer chemotherapeutic agents. Good examples of anticancer compounds of clinical significance today include the taxanes (e.g., taxol), vincristine, vinblastine, and the podophyllotoxin analogues that all trace their origin...

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Main Authors: Solomon Habtemariam, Giovanni Lentini
Format: Article
Language:English
Published: MDPI AG 2018-03-01
Series:Biomedicines
Subjects:
Online Access:http://www.mdpi.com/2227-9059/6/2/39
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author Solomon Habtemariam
Giovanni Lentini
author_facet Solomon Habtemariam
Giovanni Lentini
author_sort Solomon Habtemariam
collection DOAJ
description For centuries, plants have been exploited by mankind as sources of numerous cancer chemotherapeutic agents. Good examples of anticancer compounds of clinical significance today include the taxanes (e.g., taxol), vincristine, vinblastine, and the podophyllotoxin analogues that all trace their origin to higher plants. While all these drugs, along with the various other available therapeutic options, brought some relief in cancer management, a real breakthrough or cure has not yet been achieved. This critical review is a reflection on the lessons learnt from decades of research on the iridoid glycoside geniposide and its aglycone, genipin, which are currently used as gold standard reference compounds in cancer studies. Their effects on tumour development (carcinogenesis), cancer cell survival, and death, with particular emphasis on their mechanisms of actions, are discussed. Particular attention is also given to mechanisms related to the dual pro-oxidant and antioxidant effects of these compounds, the mitochondrial mechanism of cancer cell killing through reactive oxygen species (ROS), including that generated through the uncoupling protein-2 (UCP-2), the inflammatory mechanism, and cell cycle regulation. The implications of various studies for the evaluation of glycosidic and aglycone forms of natural products in vitro and in vivo through pharmacokinetic scrutiny are also addressed.
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spelling doaj.art-7b4104c3283b4da18c44519f885f12aa2022-12-21T18:48:00ZengMDPI AGBiomedicines2227-90592018-03-01623910.3390/biomedicines6020039biomedicines6020039Plant-Derived Anticancer Agents: Lessons from the Pharmacology of Geniposide and Its Aglycone, GenipinSolomon Habtemariam0Giovanni Lentini1Pharmacognosy Research Laboratories, University of Greenwich, Central Avenue, Chatham-Maritime, Kent ME4 4TB, UKDepartment of Pharmacy-Drug Sciences, University of Studies of Bari Aldo Moro, Via E. Orabona n. 4, 70126 Bari, ItalyFor centuries, plants have been exploited by mankind as sources of numerous cancer chemotherapeutic agents. Good examples of anticancer compounds of clinical significance today include the taxanes (e.g., taxol), vincristine, vinblastine, and the podophyllotoxin analogues that all trace their origin to higher plants. While all these drugs, along with the various other available therapeutic options, brought some relief in cancer management, a real breakthrough or cure has not yet been achieved. This critical review is a reflection on the lessons learnt from decades of research on the iridoid glycoside geniposide and its aglycone, genipin, which are currently used as gold standard reference compounds in cancer studies. Their effects on tumour development (carcinogenesis), cancer cell survival, and death, with particular emphasis on their mechanisms of actions, are discussed. Particular attention is also given to mechanisms related to the dual pro-oxidant and antioxidant effects of these compounds, the mitochondrial mechanism of cancer cell killing through reactive oxygen species (ROS), including that generated through the uncoupling protein-2 (UCP-2), the inflammatory mechanism, and cell cycle regulation. The implications of various studies for the evaluation of glycosidic and aglycone forms of natural products in vitro and in vivo through pharmacokinetic scrutiny are also addressed.http://www.mdpi.com/2227-9059/6/2/39cancercarcinogenesismetastasisgenipingeniposidereactive oxygen speciesapoptosisuncoupling protein 2
spellingShingle Solomon Habtemariam
Giovanni Lentini
Plant-Derived Anticancer Agents: Lessons from the Pharmacology of Geniposide and Its Aglycone, Genipin
Biomedicines
cancer
carcinogenesis
metastasis
genipin
geniposide
reactive oxygen species
apoptosis
uncoupling protein 2
title Plant-Derived Anticancer Agents: Lessons from the Pharmacology of Geniposide and Its Aglycone, Genipin
title_full Plant-Derived Anticancer Agents: Lessons from the Pharmacology of Geniposide and Its Aglycone, Genipin
title_fullStr Plant-Derived Anticancer Agents: Lessons from the Pharmacology of Geniposide and Its Aglycone, Genipin
title_full_unstemmed Plant-Derived Anticancer Agents: Lessons from the Pharmacology of Geniposide and Its Aglycone, Genipin
title_short Plant-Derived Anticancer Agents: Lessons from the Pharmacology of Geniposide and Its Aglycone, Genipin
title_sort plant derived anticancer agents lessons from the pharmacology of geniposide and its aglycone genipin
topic cancer
carcinogenesis
metastasis
genipin
geniposide
reactive oxygen species
apoptosis
uncoupling protein 2
url http://www.mdpi.com/2227-9059/6/2/39
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