Ascorbic acid supplementation in adolescent rats ameliorates anxiety-like and depressive-like manifestations of nicotine-ethanol abstinence: Role of oxidative stress, inflammatory, and serotonergic mechanisms.
Alireza Najafzadeh, Mobina Mahdizadeh, Samaneh Kakhki, Ali Rahimi, S Mohammad Ahmadi-Soleimani, Farimah Beheshti
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引用次数: 0
Abstract
Background: The present study aims to assess the therapeutic potential of vitamin C (Vit C) on anxiety- and depressive-like behavior induced by abstinence from chronic nicotine-ethanol co-exposure in adolescent male rats.
Materials and methods: Adolescent male rats were divided into seven experimental groups with ten rats as follows: 1) vehicle, 2) Nicotine (Nic)-Ethanol (Eth): received Nic (2 mg/kg) and Eth (20%) in drinking water from 21 to 42 days of age, 3-5) Nic-Eth-Vit C 100/200/400: received Nic and Eth from 21 to 42 days of age and received Vit C 100/200/400 mg/kg from 43 to 63 days of age, 6) Nic-Eth-Bupropion (Bup)- Naloxone (Nal): received Nic and Eth from 21 to 42 days of age and received Bup and Nal from 43 to 63 days of age, and 7) Vit C 400 mg/kg: received Vit C 400 mg/kg from 43 to 63 days of age. Behavioral assessments were done by elevated plus maze (EPM), forced swimming test (FST), marble burring test (MBT), and open field tests (OFT). Furthermore, specific biochemical variables associated with oxidative, inflammatory, and serotonergic profiles were quantified.
Results: According to the obtained results, Nic and Eth induced anxiety and depression in treated rats. We showed that two higher doses of Vit C increases the active struggling time in FST and decreases both the time spent in the peripheral zone of OFT and the time spent in the closed arms of EPM. In addition, animals treated by Vit C buried less number of marbles in MBT compared to their control counterparts. Nic and Eth induced oxidative stress and inflammation in cortical tissues of treated rats. Biochemical parameters were improved in the Nic-Eth group receiving Vit C 200/400 mg/kg and Bup-Nal through establishing a balance between oxidant/anti-oxidant and inflammatory/anti-inflammatory mediators. In addition, serotonin level was increased, while Monoamine oxidase (MAO) activity was notably decreased.
Conclusion: The present findings support the beneficial effect of Vit C on anxiety- and depressive-like behavior induced by Nic-Eth withdrawal through various mechanisms such as the promotion of antioxidant defense, suppression of inflammatory mediators, and enhancement of serotoninergic function.
期刊介绍：
International Journal of Developmental Neuroscience publishes original research articles and critical review papers on all fundamental and clinical aspects of nervous system development, renewal and regeneration, as well as on the effects of genetic and environmental perturbations of brain development and homeostasis leading to neurodevelopmental disorders and neurological conditions. Studies describing the involvement of stem cells in nervous system maintenance and disease (including brain tumours), stem cell-based approaches for the investigation of neurodegenerative diseases, roles of neuroinflammation in development and disease, and neuroevolution are also encouraged. Investigations using molecular, cellular, physiological, genetic and epigenetic approaches in model systems ranging from simple invertebrates to human iPSC-based 2D and 3D models are encouraged, as are studies using experimental models that provide behavioural or evolutionary insights. The journal also publishes Special Issues dealing with topics at the cutting edge of research edited by Guest Editors appointed by the Editor in Chief. A major aim of the journal is to facilitate the transfer of fundamental studies of nervous system development, maintenance, and disease to clinical applications. The journal thus intends to disseminate valuable information for both biologists and physicians. International Journal of Developmental Neuroscience is owned and supported by The International Society for Developmental Neuroscience (ISDN), an organization of scientists interested in advancing developmental neuroscience research in the broadest sense.
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