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Phytother Res. 2019 Mar;33(3):845-855. doi: 10.1002/ptr.6278. Epub 2019 Jan 10.

Anticancer properties of erucin, an H2 S-releasing isothiocyanate, on human pancreatic adenocarcinoma cells (AsPC-1).

Author information

1
Department of Pharmacy, University of Pisa, Pisa, Italy.
2
Council for Agricultural Research and Economics, Research Centre for Cereal and Industrial Crops, Bologna, Italy.
3
Department of Neuroscience, Psychology, Drug Research and Child Health - NEUROFARBA - Section of Pharmacology and Toxicology, Florence, Italy.
4
Interdepartmental Research Centre "Nutraceuticals and Food for Health (NUTRAFOOD)", University of Pisa, Pisa, Italy.
5
Interdepartmental Research Centre of Ageing Biology and Pathology, University of Pisa, Pisa, Italy.

Abstract

Plants of the Brassicaceae family are well-known for containing the glucosinolate myrosinase system, which is able to release isothiocyanates after plant biotic and abiotic lesions. Erucin (ERU; 1-isothiocyanato-4-(methylthio)-butane), an isothiocyanate particularly abundant in arugula (Eruca sativa Mill., Eruca vesicaria L., etc.), derives from the hydrolysis of the glucosinolate glucoerucin by the enzyme myrosinase. Many other natural isothiocyanates influence cancer cells and, in particular, induce antiproliferative effects at relatively high concentrations. Similar antiproliferative effects have also been shown by the newly emerging gasotransmitter hydrogen sulfide (H2 S) and by H2 S-releasing compounds. In a previous study, our group demonstrated that isothiocyanates release H2 S in biological environments. In this work, we demonstrated the H2 S-donor properties of ERU in pancreatic adenocarcinoma cells (AsPC-1) and delineated its profile as a chemopreventive or anticancer agent. Indeed, ERU showed significant antiproliferative effects: ERU inhibited AsPC-1 cell viability at relatively high concentrations (30-100 μM). Moreover, ERU inhibited cell migration, altered the AsPC-1 cell cycle, and exhibited proapoptotic effects. Finally, ERU inhibited ERK1/2 phosphorylation. This mechanism is particularly important in AsPC-1 cells because they are characterized by a mutation in KRAS that determines KRAS hyperactivation followed by MAP-kinase hyperphosphorylation, which plays a pivotal role in pancreatic cancer proliferation, growth, and survival.

KEYWORDS:

AsPC-1; erucin; hydrogen sulfide; isothiocyanates; pancreatic cancer

PMID:
30632211
DOI:
10.1002/ptr.6278
[Indexed for MEDLINE]

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