Thymoquinone-loaded nanostructured lipid carriers: preparation, gastroprotection, in vitro toxicity, and pharmacokinetic properties after extravascular administration

Siddig Ibrahim Abdelwahab,1 Bassem Yousef Sheikh,2 Manal Mohamed Elhassan Taha,1 Chee Wun How,3 Rasedee Abdullah,3 Umar Yagoub,1 Rashad El-Sunousi,1 Eltayeb EM Eid31Medical Research Centre, Jazan University, Jazan, Saudi Arabia; 2Department of Surgery, College of Medicine, Taibah University, Medina,...

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Autores principales:	Abdelwahab SI, Sheikh BY, Taha MME, How CW, Abdullah R, Yagoub U, El-Sunousi R, Eid EEM
Formato:	article
Lenguaje:	EN
Publicado:	Dove Medical Press 2013
Materias:	Medicine (General) R5-920
Acceso en línea:	https://doaj.org/article/4869a53cc2e44ac8b93e50fae9c25a17
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spelling	oai:doaj.org-article:4869a53cc2e44ac8b93e50fae9c25a172021-12-02T01:08:05ZThymoquinone-loaded nanostructured lipid carriers: preparation, gastroprotection, in vitro toxicity, and pharmacokinetic properties after extravascular administration1176-91141178-2013https://doaj.org/article/4869a53cc2e44ac8b93e50fae9c25a172013-06-01T00:00:00Zhttp://www.dovepress.com/thymoquinone-loaded-nanostructured-lipid-carriers-preparation-gastropr-a13366https://doaj.org/toc/1176-9114https://doaj.org/toc/1178-2013Siddig Ibrahim Abdelwahab,1 Bassem Yousef Sheikh,2 Manal Mohamed Elhassan Taha,1 Chee Wun How,3 Rasedee Abdullah,3 Umar Yagoub,1 Rashad El-Sunousi,1 Eltayeb EM Eid31Medical Research Centre, Jazan University, Jazan, Saudi Arabia; 2Department of Surgery, College of Medicine, Taibah University, Medina, Saudi Arabia; 3Laboratory of Vaccines and Immunotherapeutics, Institute of Bioscience, University Putra Malaysia, Serdang, MalaysiaBackground: Nanostructured lipid carriers (NLCs), composed of solid and liquid lipids, and surfactants are potentially good colloidal drug carriers. Thymoquinone is the main bioactive compound of Nigella sativa. In this study, the preparation, gastroprotective effects, and pharmacokinetic (PK) properties of thymoquinone (TQ)-loaded NLCs (TQNLCs) were evaluated.Method: TQNLCs were prepared using hydrogenated palm oil (Softisan® 154), olive oil, and phosphatidylcholine for the lipid phase and sorbitol, polysorbate 80, thimerosal, and double distilled water for the liquid lipid material. A morphological assessment of TQNLCs was performed using various methods. Analysis of the ulcer index, hydrogen concentration, mucus content, and biochemical and histochemical studies confirmed that the loading of TQ into the NLCs significantly improved the gastroprotective activity of this natural compound against the formation of ethanol-induced ulcers. The safety of TQNLC was tested on WRL68 liver normal cells with cisplatin as a positive control.Results: The average diameter of the TQNLCs was 75 ± 2.4 nm. The particles had negative zeta potential values of −31 ± 0.1 mV and a single melting peak of 55.85°C. Immunohistochemical methods revealed that TQNLCs inhibited the formation of ethanol-induced ulcers through the modulation of heat shock protein-70 (Hsp70). Acute hepatotoxic effects of the TQNLCs were not observed in rats or normal human liver cells (WRL-68). After validation, PK studies in rabbits showed that the PK properties of TQ were improved and indicated that the drug behaves linearly. The Tmax, Cmax, and elimination half-life of TQ were found to be 3.96 ± 0.19 hours, 4811.33 ± 55.52 ng/mL, and 4.4933 ± 0.015 hours, respectively, indicating that TQ is suitable for extravascular administration.Conclusion: NLCs could be a promising vehicle for the oral delivery of TQ and improve its gastroprotective properties.Keywords: lipid based nanoparticles, black seed oil, gastric ulcerAbdelwahab SISheikh BYTaha MMEHow CWAbdullah RYagoub UEl-Sunousi REid EEMDove Medical PressarticleMedicine (General)R5-920ENInternational Journal of Nanomedicine, Vol 2013, Iss default, Pp 2163-2172 (2013)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine (General) R5-920
spellingShingle	Medicine (General) R5-920 Abdelwahab SI Sheikh BY Taha MME How CW Abdullah R Yagoub U El-Sunousi R Eid EEM Thymoquinone-loaded nanostructured lipid carriers: preparation, gastroprotection, in vitro toxicity, and pharmacokinetic properties after extravascular administration
description	Siddig Ibrahim Abdelwahab,1 Bassem Yousef Sheikh,2 Manal Mohamed Elhassan Taha,1 Chee Wun How,3 Rasedee Abdullah,3 Umar Yagoub,1 Rashad El-Sunousi,1 Eltayeb EM Eid31Medical Research Centre, Jazan University, Jazan, Saudi Arabia; 2Department of Surgery, College of Medicine, Taibah University, Medina, Saudi Arabia; 3Laboratory of Vaccines and Immunotherapeutics, Institute of Bioscience, University Putra Malaysia, Serdang, MalaysiaBackground: Nanostructured lipid carriers (NLCs), composed of solid and liquid lipids, and surfactants are potentially good colloidal drug carriers. Thymoquinone is the main bioactive compound of Nigella sativa. In this study, the preparation, gastroprotective effects, and pharmacokinetic (PK) properties of thymoquinone (TQ)-loaded NLCs (TQNLCs) were evaluated.Method: TQNLCs were prepared using hydrogenated palm oil (Softisan® 154), olive oil, and phosphatidylcholine for the lipid phase and sorbitol, polysorbate 80, thimerosal, and double distilled water for the liquid lipid material. A morphological assessment of TQNLCs was performed using various methods. Analysis of the ulcer index, hydrogen concentration, mucus content, and biochemical and histochemical studies confirmed that the loading of TQ into the NLCs significantly improved the gastroprotective activity of this natural compound against the formation of ethanol-induced ulcers. The safety of TQNLC was tested on WRL68 liver normal cells with cisplatin as a positive control.Results: The average diameter of the TQNLCs was 75 ± 2.4 nm. The particles had negative zeta potential values of −31 ± 0.1 mV and a single melting peak of 55.85°C. Immunohistochemical methods revealed that TQNLCs inhibited the formation of ethanol-induced ulcers through the modulation of heat shock protein-70 (Hsp70). Acute hepatotoxic effects of the TQNLCs were not observed in rats or normal human liver cells (WRL-68). After validation, PK studies in rabbits showed that the PK properties of TQ were improved and indicated that the drug behaves linearly. The Tmax, Cmax, and elimination half-life of TQ were found to be 3.96 ± 0.19 hours, 4811.33 ± 55.52 ng/mL, and 4.4933 ± 0.015 hours, respectively, indicating that TQ is suitable for extravascular administration.Conclusion: NLCs could be a promising vehicle for the oral delivery of TQ and improve its gastroprotective properties.Keywords: lipid based nanoparticles, black seed oil, gastric ulcer
format	article
author	Abdelwahab SI Sheikh BY Taha MME How CW Abdullah R Yagoub U El-Sunousi R Eid EEM
author_facet	Abdelwahab SI Sheikh BY Taha MME How CW Abdullah R Yagoub U El-Sunousi R Eid EEM
author_sort	Abdelwahab SI
title	Thymoquinone-loaded nanostructured lipid carriers: preparation, gastroprotection, in vitro toxicity, and pharmacokinetic properties after extravascular administration
title_short	Thymoquinone-loaded nanostructured lipid carriers: preparation, gastroprotection, in vitro toxicity, and pharmacokinetic properties after extravascular administration
title_full	Thymoquinone-loaded nanostructured lipid carriers: preparation, gastroprotection, in vitro toxicity, and pharmacokinetic properties after extravascular administration
title_fullStr	Thymoquinone-loaded nanostructured lipid carriers: preparation, gastroprotection, in vitro toxicity, and pharmacokinetic properties after extravascular administration
title_full_unstemmed	Thymoquinone-loaded nanostructured lipid carriers: preparation, gastroprotection, in vitro toxicity, and pharmacokinetic properties after extravascular administration
title_sort	thymoquinone-loaded nanostructured lipid carriers: preparation, gastroprotection, in vitro toxicity, and pharmacokinetic properties after extravascular administration
publisher	Dove Medical Press
publishDate	2013
url	https://doaj.org/article/4869a53cc2e44ac8b93e50fae9c25a17
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Thymoquinone-loaded nanostructured lipid carriers: preparation, gastroprotection, in vitro toxicity, and pharmacokinetic properties after extravascular administration

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