The behavioral and neurochemical effects of methylprednisolone or metyrapone in a post-traumatic stress disorder rat model
Yıl: 2019 Cilt: 6 Sayı: 4 Sayfa Aralığı: 327 - 333 Metin Dili: İngilizce DOI: 10.14744/nci.2019.69345 İndeks Tarihi: 27-05-2020
The behavioral and neurochemical effects of methylprednisolone or metyrapone in a post-traumatic stress disorder rat model
Öz: OBJECTIVE: Mechanisms contributing to the post-traumatic stress disorder (PTSD) that involve several physiological systems, and the activation of the hypothalamic-pituitary-adrenal axis (HPA) is one of the most known systems in the PTSDpathophysiology. The present study investigates the potential effects of methylprednisolone, metyrapone and their association with the noradrenergic system within the rostral pons, a region containing the locus coeruleus (LC) in a rat model ofPTSD induced with predator scent.METHODS: In this study, Sprague-Dawley rats were exposed to the stress by exposure to the scent of dirty cat litter, which isa natural stressor of a predator. One week later, the rats were re-exposed to a situational reminder (clean cat litter). The ratswere treated using either methylprednisolone, metyrapone or physiological saline before exposure to a situational reminder(n=8 in each group). Noradrenaline (NA) levels in the rostral pons homogenates were analysed using ELISA.RESULTS: The anxiety indices of the rats exposed to the trauma were found to be significantly higher than the anxietyindices of the control rats. Metyrapone produced a significant increase in the anxiety indices of the non-stressed rats, andmethylprednisolone did not produce a change in the anxiety indices of the non-stressed rats. Methylprednisolone treatmentsuppressed the anxiety in the stressed rats. Metyrapone treatment increased the anxiety indices in the stressed rats but stillbeing lower than that of the saline-treated stressed rats. Significant decrease in the freezing time was observed following themethylprednisolone treatment both in the stressed and non-stressed rats. NA content in the rostral pons of the stressed ratswas significantly higher than that of the non-stressed rats. Methylprednisolone or metyrapone treatments decreased the NAcontent in the non-stressed rats as compared to the saline treatment. However, these decreases were not significant.CONCLUSION: In this study, findings suggest that stress may give rise to endocrine, autonomic and behavioural responses.The anxiety indices and NA levels in the rostral pons increased with the traumatic event. The methylprednisolone treatmentmay suppress anxiety through interactions between the LC and the HPA axis.
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Belge Türü: Makale Makale Türü: Araştırma Makalesi Erişim Türü: Erişime Açık
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| APA | TANRIVERDİ A, Aydin B, TERZİOĞLU BEBİTOĞLU B, CABADAK H, GÖREN M (2019). The behavioral and neurochemical effects of methylprednisolone or metyrapone in a post-traumatic stress disorder rat model. , 327 - 333. 10.14744/nci.2019.69345 |
| Chicago | TANRIVERDİ Ayşe Melek,Aydin Banu,TERZİOĞLU BEBİTOĞLU BERNA,CABADAK Hülya,GÖREN M. Zafer The behavioral and neurochemical effects of methylprednisolone or metyrapone in a post-traumatic stress disorder rat model. (2019): 327 - 333. 10.14744/nci.2019.69345 |
| MLA | TANRIVERDİ Ayşe Melek,Aydin Banu,TERZİOĞLU BEBİTOĞLU BERNA,CABADAK Hülya,GÖREN M. Zafer The behavioral and neurochemical effects of methylprednisolone or metyrapone in a post-traumatic stress disorder rat model. , 2019, ss.327 - 333. 10.14744/nci.2019.69345 |
| AMA | TANRIVERDİ A,Aydin B,TERZİOĞLU BEBİTOĞLU B,CABADAK H,GÖREN M The behavioral and neurochemical effects of methylprednisolone or metyrapone in a post-traumatic stress disorder rat model. . 2019; 327 - 333. 10.14744/nci.2019.69345 |
| Vancouver | TANRIVERDİ A,Aydin B,TERZİOĞLU BEBİTOĞLU B,CABADAK H,GÖREN M The behavioral and neurochemical effects of methylprednisolone or metyrapone in a post-traumatic stress disorder rat model. . 2019; 327 - 333. 10.14744/nci.2019.69345 |
| IEEE | TANRIVERDİ A,Aydin B,TERZİOĞLU BEBİTOĞLU B,CABADAK H,GÖREN M "The behavioral and neurochemical effects of methylprednisolone or metyrapone in a post-traumatic stress disorder rat model." , ss.327 - 333, 2019. 10.14744/nci.2019.69345 |
| ISNAD | TANRIVERDİ, Ayşe Melek vd. "The behavioral and neurochemical effects of methylprednisolone or metyrapone in a post-traumatic stress disorder rat model". (2019), 327-333. https://doi.org/10.14744/nci.2019.69345 |
| APA | TANRIVERDİ A, Aydin B, TERZİOĞLU BEBİTOĞLU B, CABADAK H, GÖREN M (2019). The behavioral and neurochemical effects of methylprednisolone or metyrapone in a post-traumatic stress disorder rat model. İstanbul Kuzey Klinikleri, 6(4), 327 - 333. 10.14744/nci.2019.69345 |
| Chicago | TANRIVERDİ Ayşe Melek,Aydin Banu,TERZİOĞLU BEBİTOĞLU BERNA,CABADAK Hülya,GÖREN M. Zafer The behavioral and neurochemical effects of methylprednisolone or metyrapone in a post-traumatic stress disorder rat model. İstanbul Kuzey Klinikleri 6, no.4 (2019): 327 - 333. 10.14744/nci.2019.69345 |
| MLA | TANRIVERDİ Ayşe Melek,Aydin Banu,TERZİOĞLU BEBİTOĞLU BERNA,CABADAK Hülya,GÖREN M. Zafer The behavioral and neurochemical effects of methylprednisolone or metyrapone in a post-traumatic stress disorder rat model. İstanbul Kuzey Klinikleri, vol.6, no.4, 2019, ss.327 - 333. 10.14744/nci.2019.69345 |
| AMA | TANRIVERDİ A,Aydin B,TERZİOĞLU BEBİTOĞLU B,CABADAK H,GÖREN M The behavioral and neurochemical effects of methylprednisolone or metyrapone in a post-traumatic stress disorder rat model. İstanbul Kuzey Klinikleri. 2019; 6(4): 327 - 333. 10.14744/nci.2019.69345 |
| Vancouver | TANRIVERDİ A,Aydin B,TERZİOĞLU BEBİTOĞLU B,CABADAK H,GÖREN M The behavioral and neurochemical effects of methylprednisolone or metyrapone in a post-traumatic stress disorder rat model. İstanbul Kuzey Klinikleri. 2019; 6(4): 327 - 333. 10.14744/nci.2019.69345 |
| IEEE | TANRIVERDİ A,Aydin B,TERZİOĞLU BEBİTOĞLU B,CABADAK H,GÖREN M "The behavioral and neurochemical effects of methylprednisolone or metyrapone in a post-traumatic stress disorder rat model." İstanbul Kuzey Klinikleri, 6, ss.327 - 333, 2019. 10.14744/nci.2019.69345 |
| ISNAD | TANRIVERDİ, Ayşe Melek vd. "The behavioral and neurochemical effects of methylprednisolone or metyrapone in a post-traumatic stress disorder rat model". İstanbul Kuzey Klinikleri 6/4 (2019), 327-333. https://doi.org/10.14744/nci.2019.69345 |
