Abstract：
:The relationship between individuals with post-traumatic stress disorder (PTSD) and the development of metabolic syndrome (MS) is well understood, but the relationship between individuals with preexisting MS and the development of PTSD is not yet known. Therefore, we evaluated the course of PTSD development in preexisting MS rats and we quantified the glial fibrillary acidic protein (GFAP) and ionized the calcium binding adaptor molecule 1 (Iba-1) in the cortex and hippocampus of the experimental animals. Male Wistar rats were divided into two groups: control or 10 % fructose for 5 weeks. After 5 weeks of MS induction, a group of animals was used to characterize MS. In another group, after 5 weeks of MS induction, animals were exposed to or not exposed to inescapable footshocks, followed by social isolation. After 14 days of a retention interval, the animals were re-exposed to the inescapable footshocks box, and the freezing time was evaluated. Over the following days, the animals were tested using the open field, social interaction and forced swimming tests, respectively. In another group of animals, after induction of MS and PTSD as previously described, elevated plus maze and object recognition tests were performed. Our results demonstrate that fructose solution for 5 weeks was able to induce MS, and animals with MS had more pronounced PTSD-like symptoms and a greater increase in GFAP and Iba-1 in the hippocampus and prefrontal cortex. In conclusion, MS accentuated PTSD-like symptoms that may be related to increased glial activation. This study helps reveal factors that may predispose individuals to the development of PTSD, such as metabolic disorders.
journal_name
Behav Brain Resjournal_title
Behavioural brain researchauthors
Alves Freire Ribeiro AC,Batista TH,Trujillo Rojas VC,Giusti-Paiva A,Cardoso Vilela Fdoi
10.1016/j.bbr.2020.112557subject
Has Abstractpub_date
2020-04-20 00:00:00pages
112557eissn
0166-4328issn
1872-7549pii
S0166-4328(19)31654-7journal_volume
384pub_type
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