Stevia: limiting cholesterol synthesis in Hep-G2 cells

As of today, no literature has been reported on the efficacy of stevia on lipid regulations conducted in vitro. Thus, the current study was focusing on the potential of Stevia rebaudiana bertoni as an anti-hypercholesterolemia substitute in limiting the de novo cholesterol synthesis in Hep-G2 cell...

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Main Authors: Ilias, Amirul Nazhan, Hamzah, Hazilawati, Ismail, Intan Safinar, Ajat, Mokrish
Format: Article
Published: Malaysian Society for Molecular Biology and Biotechnology 2020
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author Ilias, Amirul Nazhan
Hamzah, Hazilawati
Ismail, Intan Safinar
Ajat, Mokrish
author_facet Ilias, Amirul Nazhan
Hamzah, Hazilawati
Ismail, Intan Safinar
Ajat, Mokrish
author_sort Ilias, Amirul Nazhan
collection UPM
description As of today, no literature has been reported on the efficacy of stevia on lipid regulations conducted in vitro. Thus, the current study was focusing on the potential of Stevia rebaudiana bertoni as an anti-hypercholesterolemia substitute in limiting the de novo cholesterol synthesis in Hep-G2 cell line. The cytotoxicity and lipid internalization effects of stevia on Hep-G2 cells were assessed quantitatively and qualitatively in this study. As evaluated by MTT assay, commercialized stevia (0.5-20.0 mg/ml) and stevioside (1.0-10 µM) inhibited Hep-G2 cells viability in a dose-dependent manner for 24 hours. IC50 was detected at 8.68 mg/ml (commercialized stevia) and 10.91 µM (stevioside). From the assay, suitable concentrations were chosen to study the effect of stevia on cholesterol internalization in Hep-G2 cells supplemented with exogenous lipids. Cholesterol quantification assay revealed that high concentration commercialized stevia and stevioside promoted significant cholesterol internalized in Hep-G2 cells as compared to simvastatin. Finally, immunofluorescent microscopy assessment was done to qualitatively observe the formation of lipid droplets and low-density lipoprotein receptor in relation to total cholesterol extracted. The microphotographs of immunofluorescent microscopy were in parallel to results obtained from the cholesterol quantification assay which further revealed the effect of stevia as a potential antihypercholesterolemia agent.
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spelling upm.eprints-859172023-10-24T08:38:19Z http://psasir.upm.edu.my/id/eprint/85917/ Stevia: limiting cholesterol synthesis in Hep-G2 cells Ilias, Amirul Nazhan Hamzah, Hazilawati Ismail, Intan Safinar Ajat, Mokrish As of today, no literature has been reported on the efficacy of stevia on lipid regulations conducted in vitro. Thus, the current study was focusing on the potential of Stevia rebaudiana bertoni as an anti-hypercholesterolemia substitute in limiting the de novo cholesterol synthesis in Hep-G2 cell line. The cytotoxicity and lipid internalization effects of stevia on Hep-G2 cells were assessed quantitatively and qualitatively in this study. As evaluated by MTT assay, commercialized stevia (0.5-20.0 mg/ml) and stevioside (1.0-10 µM) inhibited Hep-G2 cells viability in a dose-dependent manner for 24 hours. IC50 was detected at 8.68 mg/ml (commercialized stevia) and 10.91 µM (stevioside). From the assay, suitable concentrations were chosen to study the effect of stevia on cholesterol internalization in Hep-G2 cells supplemented with exogenous lipids. Cholesterol quantification assay revealed that high concentration commercialized stevia and stevioside promoted significant cholesterol internalized in Hep-G2 cells as compared to simvastatin. Finally, immunofluorescent microscopy assessment was done to qualitatively observe the formation of lipid droplets and low-density lipoprotein receptor in relation to total cholesterol extracted. The microphotographs of immunofluorescent microscopy were in parallel to results obtained from the cholesterol quantification assay which further revealed the effect of stevia as a potential antihypercholesterolemia agent. Malaysian Society for Molecular Biology and Biotechnology 2020 Article PeerReviewed Ilias, Amirul Nazhan and Hamzah, Hazilawati and Ismail, Intan Safinar and Ajat, Mokrish (2020) Stevia: limiting cholesterol synthesis in Hep-G2 cells. Asia-Pacific Journal of Molecular Biology and Biotechnology, 28 (1). 111 - 119. ISSN 0128-7451; ESSN: 2672-7277 http://www.msmbb.my/index.php/archive-issues/18-apjmbb/451-archive-issue-28 10.35118/apjmbb.2020.028.1.11
spellingShingle Ilias, Amirul Nazhan
Hamzah, Hazilawati
Ismail, Intan Safinar
Ajat, Mokrish
Stevia: limiting cholesterol synthesis in Hep-G2 cells
title Stevia: limiting cholesterol synthesis in Hep-G2 cells
title_full Stevia: limiting cholesterol synthesis in Hep-G2 cells
title_fullStr Stevia: limiting cholesterol synthesis in Hep-G2 cells
title_full_unstemmed Stevia: limiting cholesterol synthesis in Hep-G2 cells
title_short Stevia: limiting cholesterol synthesis in Hep-G2 cells
title_sort stevia limiting cholesterol synthesis in hep g2 cells
work_keys_str_mv AT iliasamirulnazhan stevialimitingcholesterolsynthesisinhepg2cells
AT hamzahhazilawati stevialimitingcholesterolsynthesisinhepg2cells
AT ismailintansafinar stevialimitingcholesterolsynthesisinhepg2cells
AT ajatmokrish stevialimitingcholesterolsynthesisinhepg2cells