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The Impact of Hydroxytyrosol on the Metallomic-Profile in an Animal Model of Alzheimer’s Disease

Tabanez, Miguel ; Santos, Ilma R ; Ikebara, Juliane M ; Camargo, Mariana L. M ; Dos Santos, Bianca A ; Freire, Bruna M ; Batista, Bruno L ; Takada, Silvia H ; Squitti, Rosanna ; Kihara, Alexandre H ; Cerchiaro, Giselle

International journal of molecular sciences, 2023-10, Vol.24 (19), p.14950 [Periódico revisado por pares]

Basel: MDPI AG

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Título:
The Impact of Hydroxytyrosol on the Metallomic-Profile in an Animal Model of Alzheimer’s Disease
Autor: Tabanez, Miguel ; Santos, Ilma R ; Ikebara, Juliane M ; Camargo, Mariana L. M ; Dos Santos, Bianca A ; Freire, Bruna M ; Batista, Bruno L ; Takada, Silvia H ; Squitti, Rosanna ; Kihara, Alexandre H ; Cerchiaro, Giselle
Assuntos: Advertising executives ; Alzheimer's disease ; Analysis ; animal studies ; Animals ; Antioxidants ; Cobalt ; Copper ; Dementia ; Disease ; Disease susceptibility ; Health aspects ; hydroxytyrosol ; Lipids ; Mass spectrometry ; metallomics ; Neurodegeneration ; Olive oil ; Physiological aspects ; Plasma ; Risk factors ; Trends ; zinc
É parte de: International journal of molecular sciences, 2023-10, Vol.24 (19), p.14950
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These authors contributed equally to this work.
Descrição: It is undeniable that as people get older, they become progressively more susceptible to neurodegenerative illnesses such as Alzheimer’s disease (AD). Memory loss is a prominent symptom of this condition and can be exacerbated by uneven levels of certain metals. This study used inductively coupled plasma mass spectrometry (ICP-MS) to examine the levels of metals in the blood plasma, frontal cortex, and hippocampus of Wistar rats with AD induced by streptozotocin (STZ). It also tested the effects of the antioxidant hydroxytyrosol (HT) on metal levels. The Barnes maze behavior test was used, and the STZ group showed less certainty and greater distance when exploring the Barnes maze than the control group. The results also indicated that the control group and the STZ + HT group exhibited enhanced learning curves during the Barnes maze training as compared to the STZ group. The ICP-MS analysis showed that the STZ group had lower levels of cobalt in their blood plasma than the control group, while the calcium levels in the frontal cortex of the STZ + HT group were higher than in the control group. The most important finding was that copper levels in the frontal cortex from STZ-treated animals were higher than in the control group, and that the STZ + HT group returned to equivalent levels to the control group. The antioxidant HT can restore copper levels to their basal physiological state. This finding may help explain HT’s potential beneficial effect in AD-patients.
Editor: Basel: MDPI AG
Idioma: Inglês

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The Impact of Hydroxytyrosol on the Metallomic-Profile in an Animal Model of Alzheimer’s Disease

Tabanez, Miguel ; Santos, Ilma R ; Ikebara, Juliane M ; Camargo, Mariana L. M ; Dos Santos, Bianca A ; Freire, Bruna M ; Batista, Bruno L ; Takada, Silvia H ; Squitti, Rosanna ; Kihara, Alexandre H ; Cerchiaro, Giselle

Basel: MDPI AG

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