2017
DOI: 10.1016/j.bbr.2017.03.008
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Fish oil prevents rodent anxious states comorbid with diabetes: A putative involvement of nitric oxide modulation

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Cited by 13 publications
(6 citation statements)
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“…7) have been previously demonstrated (Pitocco et al 2010;Pereira et al 2018;de Souza et al 2019;Réus et al 2019). Regarding LPO, it is known that high levels of LPO are attributed to the increase of reactive oxygen species (Siba et al 2017); in addition, it affects cell integrity only when antioxidant mechanisms are no longer able to cope with the generation of free radicals (Anwer et al 2012). The GSH is the main antioxidant in the brain (Kanazawa et al 2016) and it protects the cellular system against the toxic effects of LPO.…”
Section: Discussionmentioning
confidence: 97%
“…7) have been previously demonstrated (Pitocco et al 2010;Pereira et al 2018;de Souza et al 2019;Réus et al 2019). Regarding LPO, it is known that high levels of LPO are attributed to the increase of reactive oxygen species (Siba et al 2017); in addition, it affects cell integrity only when antioxidant mechanisms are no longer able to cope with the generation of free radicals (Anwer et al 2012). The GSH is the main antioxidant in the brain (Kanazawa et al 2016) and it protects the cellular system against the toxic effects of LPO.…”
Section: Discussionmentioning
confidence: 97%
“…The NOS inhibitor 7‐NI administered alone also reduced the number of marble‐buried, which is consistent with its anxiolytic‐like effect (e.g., Dunn, Reed, Copeland, & Frye, ; Krass et al, ; Volke et al, ). Previous studies had showed that inhibition of nitrergic pathway exerted anxiolytic‐like effect, which can be related to hypothalamic–adrenal axis activation, increases oxidative stress, changes in mitochondrial activity, and/or neurotransmitters (e.g., glutamate and serotonin) alterations (Kumar & Chanana, ; Siba et al, ; Wegener, Volke, & Rosenberg, ; Wegener & Volke, ). Similarly to observed with C. sinensis essential oil, L‐arginine pretreatment also blocked the anxiolytic‐like effect of 7‐NI.…”
Section: Discussionmentioning
confidence: 99%
“…Contradictory results were already observed in previous studies using L‐arginine or other NO increasing drugs (e.g., NO donor) in different animal models of anxiety, and both anxiolytic‐like (e.g., Kalouda & Pitsikas, ; Spiacci, Kanamaru, Guimarães, & Oliveira, ) and anxiogenic‐like effects were found (e.g., Umathe et al, ). However, despite these contradictory results of L‐arginine in animal models of anxiety, L‐arginine challenge had been successfully used to detect a nitrergic mediation of anxiolytic‐like effect of treatments in different conditions (e.g., Bonassoli, Contardi, Milani, & De Oliveira, ; Siba et al, ), including marble‐burying behavior (Gawali et al, ; Krass et al, ; Umathe et al, ). Thus, for the first time, the present results indicated an important role of NO transmission on anxiolytic‐like effect of C. sinensis essential oil.…”
Section: Discussionmentioning
confidence: 99%
“…O teste de labirinto em cruz elevado revelou neste estudo aumento na resposta ansiosa devido ao estresse crônico causado pelo isolamento social (SKELLY et al, 2015;LIN et al, 2017), assim como pelo estresse crônico variado (ZURITA et al, 2000;MASLOVA;BULYGINA;MARKEL, 2002;ORTOLANI et al, 2014) GUIMARAES et al, 2005;VILA-VERDE et al, 2016), há dificuldade em se determinar o papel fisiológico do óxido nítrico, devido a alta solubilidade e curto tempo de meia vida (CAMPOS et al, 2013). Estudos com ratos diabéticos que exibiram resposta ansiogênica pronunciada apresentaram níveis aumentados de nNOS em áreas como amígdala, hipocampo e região dorsolateral da substância cinzenta periaquedutal rostral (SIBA et al, 2017). Esses autores mostraram ainda que o pré-tratamento de ratos diabético com L-Arginina (L-Arg;…”
Section: Discussionunclassified
“…precursor da síntese de óxido nítrico) e 7-nitroindazole (7-NI; inibidor seletivo da nNOS) induziram comportamento do tipo ansiogênico e ansiolítico, respectivamente, tanto no teste do labirinto em cruz elevado quanto no teste de claro/escuro (SIBA et al, 2017). Também a administração local do outro inibidor seletivo da nNOS (N-propil-L-arginina; NPLA) na porção pré-límbica do córtex pré-frontal ventromedial atenuou o efeito do tipo ansiogênico observado 24 horas após um único episódio de estresse por restrição física (VILA-VERDE et al, 2016).…”
Section: Discussionunclassified