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Open AccessArticle

Protective Effect of Argan and Olive Oils against LPS-Induced Oxidative Stress and Inflammation in Mice Livers

Laboratoire de Biochimie et Neurosciences, Faculté des Sciences et Techniques, Université Hassan I, BP577, Settat 26000, Morocco
Laboratoire des Sciences et Technologies de la Santé, Institut Supérieur des Sciences de la santé Université Hassan I, Settat 26000, Morocco
Laboratoire Bio-PeroxIL EA7270, Université Bourgogne Franche-Comté, UFR SVTE, Dijon 21000, France
Laboratoire d’Anatomie Pathologique Hôpital Militaire Avicenne, Marrakech 40000, Morocco
Laboratoire de Biochimie, Faculté des Sciences-Aïn Chock, Université Hassan II-Aïn chock, Casablanca 20000, Morocco
Lipness Team, INSERM, Research Center UMR866 and LabEx LipSTIC, Université de Bourgogne-Franche Comté, Faculté de Médecine, Dijon 21000, France
INSERM and HMNO, CBP, CHRU Lille, Lille 59037 and RADEME EA 7364, Faculté de Médecine, Université de Lille 2, Lille 59045, France
Authors to whom correspondence should be addressed.
Int. J. Mol. Sci. 2017, 18(10), 2181;
Received: 19 September 2017 / Revised: 10 October 2017 / Accepted: 12 October 2017 / Published: 19 October 2017
(This article belongs to the Special Issue The Beneficial Effects of Plant Oil on Human Health)
Sepsis causes severe dysregulation of organ functions, via the development of oxidative stress and inflammation. These pathophysiological mechanisms are mimicked in mice injected with bacterial lipopolysaccharide (LPS). Here, protective properties of argan oil against LPS-induced oxidative stress and inflammation are explored in the murine model. Mice received standard chow, supplemented with argan oil (AO) or olive oil (OO) for 25 days, before septic shock was provoked with a single intraperitoneal injection of LPS, 16 hours prior to animal sacrifice. In addition to a rise in oxidative stress and inflammatory markers, injected LPS also caused hepatotoxicity, accompanied by hyperglycemia, hypercholesterolemia and hyperuremia. These LPS-associated toxic effects were blunted by AO pretreatment, as corroborated by normal plasma parameters and cell stress markers (glutathione: GSH) and antioxidant enzymology (catalase, CAT; superoxide dismutase, SOD and glutathione peroxidase, GPx). Hematoxylin–eosin staining revealed that AO can protect against acute liver injury, maintaining a normal status, which is pointed out by absent or reduced LPS-induced hepatic damage markers (i.e., alanine aminotransferase (ALT) and aspartate transaminase (AST)). Our work also indicated that AO displayed anti-inflammatory activity, due to down-regulations of genes encoding pro-inflammatory cytokines Interleukin-6 (IL-6) and Tumor Necrosis Factor-α (TNF-α) and in up-regulations of the expression of anti-inflammatory genes encoding Interleukin-4 (IL-4) and Interleukin-10 (IL-10). OO provided animals with similar, though less extensive, protective changes. Collectively our work adds compelling evidence to the protective mechanisms of AO against LPS-induced liver injury and hence therapeutic potentialities, in regard to the management of human sepsis. Activations of IL-4/Peroxisome Proliferator-Activated Receptors (IL-4/PPARs) signaling and, under LPS, an anti-inflammatory IL-10/Liver X Receptor (IL-10/LXR) route, obviously indicated the high potency and plasticity of the anti-inflammatory properties of argan oil. View Full-Text
Keywords: antioxidant enzymes; argan oil; cytokines; inflammation; lipopolysaccharides; oxidative stress; sepsis antioxidant enzymes; argan oil; cytokines; inflammation; lipopolysaccharides; oxidative stress; sepsis
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El Kamouni, S.; El Kebbaj, R.; Andreoletti, P.; El Ktaibi, A.; Rharrassi, I.; Essamadi, A.; El Kebbaj, M.S.; Mandard, S.; Latruffe, N.; Vamecq, J.; Nasser, B.; Cherkaoui-Malki, M. Protective Effect of Argan and Olive Oils against LPS-Induced Oxidative Stress and Inflammation in Mice Livers. Int. J. Mol. Sci. 2017, 18, 2181.

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