Induction of Apoptosis by Gluconasturtiin-Isothiocyanate (GNST-ITC) in Human Hepatocarcinoma HepG2 Cells and Human Breast Adenocarcinoma MCF-7 Cells
Gluconasturtiin, a glucosinolate present in watercress, is hydrolysed by myrosinase to form gluconasturtiin-isothiocyanate (GNST-ITC), which has potential chemopreventive effects; however, the underlying mechanisms of action have not been explored, mainly in human cell lines. The purpose of the stud...
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2020-03-01
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author | Asvinidevi Arumugam Muhammad Din Ibrahim Saie Brindha Kntayya Nooraini Mohd Ain Renato Iori Stefania Galletti Costas Ioannides Ahmad Faizal Abdull Razis |
author_facet | Asvinidevi Arumugam Muhammad Din Ibrahim Saie Brindha Kntayya Nooraini Mohd Ain Renato Iori Stefania Galletti Costas Ioannides Ahmad Faizal Abdull Razis |
author_sort | Asvinidevi Arumugam |
collection | DOAJ |
description | Gluconasturtiin, a glucosinolate present in watercress, is hydrolysed by myrosinase to form gluconasturtiin-isothiocyanate (GNST-ITC), which has potential chemopreventive effects; however, the underlying mechanisms of action have not been explored, mainly in human cell lines. The purpose of the study is to evaluate the cytotoxicity of GNST-ITC and to further assess its potential to induce apoptosis. GNST-ITC inhibited cell proliferation in both human hepatocarcinoma (HepG2) and human breast adenocarcinoma (MCF-7) cells with IC<sub>50</sub> values of 7.83 µM and 5.02 µM, respectively. Morphological changes as a result of GNST-ITC-induced apoptosis showed chromatin condensation, nuclear fragmentation, and membrane blebbing. Additionally, Annexin V assay showed proportion of cells in early and late apoptosis upon exposure to GNST-ITC in a time-dependent manner. To delineate the mechanism of apoptosis, cell cycle arrest and expression of caspases were studied. GNST-ITC induced a time-dependent G<sub>2</sub>/M phase arrest, with reduction of 82% and 93% in HepG2 and MCF-7 cell lines, respectively. The same treatment also led to the subsequent expression of caspase-3/7 and -9 in both cells demonstrating mitochondrial-associated cell death. Collectively, these results reveal that GNST-ITC can inhibit cell proliferation and can induce cell death in HepG2 and MCF-7 cancer cells via apoptosis, highlighting its potential development as an anticancer agent. |
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spelling | doaj.art-e08e5d4450ff486ab4d8bfc4d440485d2022-12-22T02:23:51ZengMDPI AGMolecules1420-30492020-03-01255124010.3390/molecules25051240molecules25051240Induction of Apoptosis by Gluconasturtiin-Isothiocyanate (GNST-ITC) in Human Hepatocarcinoma HepG2 Cells and Human Breast Adenocarcinoma MCF-7 CellsAsvinidevi Arumugam0Muhammad Din Ibrahim1Saie Brindha Kntayya2Nooraini Mohd Ain3Renato Iori4Stefania Galletti5Costas Ioannides6Ahmad Faizal Abdull Razis7UPM-MAKNA Cancer Research Laboratory, Institute of Bioscience, Universiti Putra Malaysia, UPM Serdang, Selangor 43400, MalaysiaUPM-MAKNA Cancer Research Laboratory, Institute of Bioscience, Universiti Putra Malaysia, UPM Serdang, Selangor 43400, MalaysiaUPM-MAKNA Cancer Research Laboratory, Institute of Bioscience, Universiti Putra Malaysia, UPM Serdang, Selangor 43400, MalaysiaUPM-MAKNA Cancer Research Laboratory, Institute of Bioscience, Universiti Putra Malaysia, UPM Serdang, Selangor 43400, MalaysiaCREA Consiglio per la ricerca in agricoltura e l’analisi dell’economia agraria, Centro di Ricerca Agricoltura e Ambiente (CREA-AA), 40128 Bologna, ItalyCREA Consiglio per la ricerca in agricoltura e l’analisi dell’economia agraria, Centro di Ricerca Agricoltura e Ambiente (CREA-AA), 40128 Bologna, ItalyFaculty of Health and Medical Sciences, University of Surrey, Guildford, Surrey GU2 7XH, UKLaboratory of Molecular Biomedicine, Institute of Bioscience, Universiti Putra Malaysia, UPM Serdang, Selangor 43400, MalaysiaGluconasturtiin, a glucosinolate present in watercress, is hydrolysed by myrosinase to form gluconasturtiin-isothiocyanate (GNST-ITC), which has potential chemopreventive effects; however, the underlying mechanisms of action have not been explored, mainly in human cell lines. The purpose of the study is to evaluate the cytotoxicity of GNST-ITC and to further assess its potential to induce apoptosis. GNST-ITC inhibited cell proliferation in both human hepatocarcinoma (HepG2) and human breast adenocarcinoma (MCF-7) cells with IC<sub>50</sub> values of 7.83 µM and 5.02 µM, respectively. Morphological changes as a result of GNST-ITC-induced apoptosis showed chromatin condensation, nuclear fragmentation, and membrane blebbing. Additionally, Annexin V assay showed proportion of cells in early and late apoptosis upon exposure to GNST-ITC in a time-dependent manner. To delineate the mechanism of apoptosis, cell cycle arrest and expression of caspases were studied. GNST-ITC induced a time-dependent G<sub>2</sub>/M phase arrest, with reduction of 82% and 93% in HepG2 and MCF-7 cell lines, respectively. The same treatment also led to the subsequent expression of caspase-3/7 and -9 in both cells demonstrating mitochondrial-associated cell death. Collectively, these results reveal that GNST-ITC can inhibit cell proliferation and can induce cell death in HepG2 and MCF-7 cancer cells via apoptosis, highlighting its potential development as an anticancer agent.https://www.mdpi.com/1420-3049/25/5/1240glucosinolategluconasturtiin-isothiocyanateapoptosiscancer chemoprevention |
spellingShingle | Asvinidevi Arumugam Muhammad Din Ibrahim Saie Brindha Kntayya Nooraini Mohd Ain Renato Iori Stefania Galletti Costas Ioannides Ahmad Faizal Abdull Razis Induction of Apoptosis by Gluconasturtiin-Isothiocyanate (GNST-ITC) in Human Hepatocarcinoma HepG2 Cells and Human Breast Adenocarcinoma MCF-7 Cells Molecules glucosinolate gluconasturtiin-isothiocyanate apoptosis cancer chemoprevention |
title | Induction of Apoptosis by Gluconasturtiin-Isothiocyanate (GNST-ITC) in Human Hepatocarcinoma HepG2 Cells and Human Breast Adenocarcinoma MCF-7 Cells |
title_full | Induction of Apoptosis by Gluconasturtiin-Isothiocyanate (GNST-ITC) in Human Hepatocarcinoma HepG2 Cells and Human Breast Adenocarcinoma MCF-7 Cells |
title_fullStr | Induction of Apoptosis by Gluconasturtiin-Isothiocyanate (GNST-ITC) in Human Hepatocarcinoma HepG2 Cells and Human Breast Adenocarcinoma MCF-7 Cells |
title_full_unstemmed | Induction of Apoptosis by Gluconasturtiin-Isothiocyanate (GNST-ITC) in Human Hepatocarcinoma HepG2 Cells and Human Breast Adenocarcinoma MCF-7 Cells |
title_short | Induction of Apoptosis by Gluconasturtiin-Isothiocyanate (GNST-ITC) in Human Hepatocarcinoma HepG2 Cells and Human Breast Adenocarcinoma MCF-7 Cells |
title_sort | induction of apoptosis by gluconasturtiin isothiocyanate gnst itc in human hepatocarcinoma hepg2 cells and human breast adenocarcinoma mcf 7 cells |
topic | glucosinolate gluconasturtiin-isothiocyanate apoptosis cancer chemoprevention |
url | https://www.mdpi.com/1420-3049/25/5/1240 |
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