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Liu D, Zheng X, Hui Y, Xu Y, Du J, Du Z, Che Y, Wu F, Yu G, Zhang J, Gong X, Guo G. Lateral hypothalamus orexinergic projection to the medial prefrontal cortex modulates chronic stress-induced anhedonia but not anxiety and despair. Transl Psychiatry 2024; 14:149. [PMID: 38493173 PMCID: PMC10944479 DOI: 10.1038/s41398-024-02860-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 03/05/2024] [Accepted: 03/06/2024] [Indexed: 03/18/2024] Open
Abstract
Chronic stress-induced anxiodepression is a common health problem, however its potential neurocircuitry mechanism remains unclear. We used behavioral, patch-clamp electrophysiology, chemogenetic, and optogenetic approaches to clarify the response of the lateral hypothalamus (LH) and the medial prefrontal cortex (mPFC) to stress, confirmed the structural connections between the LH and mPFC, and investigated the role of the LH-mPFC pathway in chronic stress-induced anxiodepression symptoms. Unpredictable chronic mild stress (UCMS) caused anxiodepression-like behaviors, including anxiety, anhedonia, and despair behaviors. We discovered that the activity of the LH and mPFC was both increased after restraint stress (RS), a stressor of UCMS. Then we found that the orexinergic neurons in the LH predominantly project to the glutamatergic neurons in the mPFC, and the excitability of these neurons were increased after UCMS. In addition, overactivated LH orexinergic terminals in the mPFC induced anhedonia but not anxiety and despair behaviors in naive mice. Moreover, chemogenetically inhibited LH-mPFC orexinergic projection neurons and blocked the orexin receptors in the mPFC alleviated anhedonia but not anxiety and despair behaviors in UCMS-treated mice. Our study identified a new neurocircuit from LH orexinergic neurons to mPFC and revealed its role in regulating anhedonia in response to stress. Overactivation of LHOrx-mPFC pathway selectively mediated chronic stress-induced anhedonia. In normal mice, the LHOrx-mPFC pathway exhibits relatively low activity. However, after chronic stress, the activity of orexinergic neuron in LH is overactivated, leading to an increased release of orexin into the mPFC. This heightened orexin concentration results in increased excitability of the mPFC through OX1R and OX2R, consequently triggering anhedonia.
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Affiliation(s)
- Danlei Liu
- Department of Anatomy, Neuroscience Laboratory for Cognitive and Developmental Disorders, Medical College of Jinan University, Guangzhou, 510632, China
- Department of Gastroenterology, The First Affiliated Hospital of Jinan University, Guangzhou, 510632, China
| | - Xuefeng Zheng
- Department of Anatomy, Neuroscience Laboratory for Cognitive and Developmental Disorders, Medical College of Jinan University, Guangzhou, 510632, China
| | - Yuqing Hui
- Department of Gastroenterology, The First Affiliated Hospital of Jinan University, Guangzhou, 510632, China
| | - Yuanyuan Xu
- Department of Anatomy, Neuroscience Laboratory for Cognitive and Developmental Disorders, Medical College of Jinan University, Guangzhou, 510632, China
| | - Jinjiang Du
- Department of Anatomy, Neuroscience Laboratory for Cognitive and Developmental Disorders, Medical College of Jinan University, Guangzhou, 510632, China
| | - Zean Du
- Department of Anatomy, Neuroscience Laboratory for Cognitive and Developmental Disorders, Medical College of Jinan University, Guangzhou, 510632, China
| | - Yichen Che
- Department of Anatomy, Neuroscience Laboratory for Cognitive and Developmental Disorders, Medical College of Jinan University, Guangzhou, 510632, China
| | - Fengming Wu
- Department of Anatomy, Neuroscience Laboratory for Cognitive and Developmental Disorders, Medical College of Jinan University, Guangzhou, 510632, China
| | - Guangyin Yu
- Department of Anatomy, Neuroscience Laboratory for Cognitive and Developmental Disorders, Medical College of Jinan University, Guangzhou, 510632, China
| | - Jifeng Zhang
- Department of Anatomy, Neuroscience Laboratory for Cognitive and Developmental Disorders, Medical College of Jinan University, Guangzhou, 510632, China.
| | - Xiaobing Gong
- Department of Gastroenterology, The First Affiliated Hospital of Jinan University, Guangzhou, 510632, China.
| | - Guoqing Guo
- Department of Anatomy, Neuroscience Laboratory for Cognitive and Developmental Disorders, Medical College of Jinan University, Guangzhou, 510632, China.
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Kouba BR, de Araujo Borba L, Borges de Souza P, Gil-Mohapel J, Rodrigues ALS. Role of Inflammatory Mechanisms in Major Depressive Disorder: From Etiology to Potential Pharmacological Targets. Cells 2024; 13:423. [PMID: 38474387 DOI: 10.3390/cells13050423] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2024] [Revised: 02/20/2024] [Accepted: 02/26/2024] [Indexed: 03/14/2024] Open
Abstract
The involvement of central and peripheral inflammation in the pathogenesis and prognosis of major depressive disorder (MDD) has been demonstrated. The increase of pro-inflammatory cytokines (interleukin (IL)-1β, IL-6, IL-18, and TNF-α) in individuals with depression may elicit neuroinflammatory processes and peripheral inflammation, mechanisms that, in turn, can contribute to gut microbiota dysbiosis. Together, neuroinflammation and gut dysbiosis induce alterations in tryptophan metabolism, culminating in decreased serotonin synthesis, impairments in neuroplasticity-related mechanisms, and glutamate-mediated excitotoxicity. This review aims to highlight the inflammatory mechanisms (neuroinflammation, peripheral inflammation, and gut dysbiosis) involved in the pathophysiology of MDD and to explore novel anti-inflammatory therapeutic approaches for this psychiatric disturbance. Several lines of evidence have indicated that in addition to antidepressants, physical exercise, probiotics, and nutraceuticals (agmatine, ascorbic acid, and vitamin D) possess anti-inflammatory effects that may contribute to their antidepressant properties. Further studies are necessary to explore the therapeutic benefits of these alternative therapies for MDD.
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Affiliation(s)
- Bruna R Kouba
- Department of Biochemistry, Center of Biological Sciences, Universidade Federal de Santa Catarina, Florianópolis 88040-900, SC, Brazil
| | - Laura de Araujo Borba
- Department of Biochemistry, Center of Biological Sciences, Universidade Federal de Santa Catarina, Florianópolis 88040-900, SC, Brazil
| | - Pedro Borges de Souza
- Department of Biochemistry, Center of Biological Sciences, Universidade Federal de Santa Catarina, Florianópolis 88040-900, SC, Brazil
| | - Joana Gil-Mohapel
- Island Medical Program, Faculty of Medicine, University of British Columbia, Victoria, BC V8P 5C2, Canada
- Division of Medical Sciences, University of Victoria, Victoria, BC V8P 5C2, Canada
| | - Ana Lúcia S Rodrigues
- Department of Biochemistry, Center of Biological Sciences, Universidade Federal de Santa Catarina, Florianópolis 88040-900, SC, Brazil
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Saha P, Panda S, Holkar A, Vashishth R, Rana SS, Arumugam M, Ashraf GM, Haque S, Ahmad F. Neuroprotection by agmatine: Possible involvement of the gut microbiome? Ageing Res Rev 2023; 91:102056. [PMID: 37673131 DOI: 10.1016/j.arr.2023.102056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Revised: 08/09/2023] [Accepted: 08/31/2023] [Indexed: 09/08/2023]
Abstract
Agmatine, an endogenous polyamine derived from L-arginine, elicits tremendous multimodal neuromodulant properties. Alterations in agmatinergic signalling are closely linked to the pathogeneses of several brain disorders. Importantly, exogenous agmatine has been shown to act as a potent neuroprotectant in varied pathologies, including brain ageing and associated comorbidities. The antioxidant, anxiolytic, analgesic, antidepressant and memory-enhancing activities of agmatine may derive from its ability to regulate several cellular pathways; including cell metabolism, survival and differentiation, nitric oxide signalling, protein translation, oxidative homeostasis and neurotransmitter signalling. This review briefly discusses mammalian metabolism of agmatine and then proceeds to summarize our current understanding of neuromodulation and neuroprotection mediated by agmatine. Further, the emerging exciting bidirectional links between agmatine and the resident gut microbiome and their implications for brain pathophysiology and ageing are also discussed.
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Affiliation(s)
- Priyanka Saha
- Department of Biotechnology, School of Bio Sciences and Technology, Vellore Institute of Technology, Vellore, India
| | - Subhrajita Panda
- Department of Biotechnology, School of Bio Sciences and Technology, Vellore Institute of Technology, Vellore, India
| | - Aayusha Holkar
- Department of Integrative Biology, School of Bio Sciences and Technology, Vellore Institute of Technology, Vellore, India
| | - Rahul Vashishth
- Department of Biosciences, School of Bio Sciences and Technology, Vellore Institute of Technology, Vellore, India
| | - Sandeep Singh Rana
- Department of Biosciences, School of Bio Sciences and Technology, Vellore Institute of Technology, Vellore, India
| | - Mohanapriya Arumugam
- Department of Biotechnology, School of Bio Sciences and Technology, Vellore Institute of Technology, Vellore, India
| | - Ghulam Md Ashraf
- University of Sharjah, College of Health Sciences, and Research Institute for Medical and Health Sciences, Department of Medical Laboratory Sciences, Sharjah 27272, United Arab Emirates.
| | - Shafiul Haque
- Research and Scientific Studies Unit, College of Nursing and Allied Health Sciences, Jazan University, Jazan 45142, Saudi Arabia; Gilbert and Rose-Marie Chagoury School of Medicine, Lebanese American University, Beirut, Lebanon; Centre of Medical and Bio-Allied Health Sciences Research, Ajman University, Ajman, United Arab Emirates
| | - Faraz Ahmad
- Department of Biotechnology, School of Bio Sciences and Technology, Vellore Institute of Technology, Vellore, India.
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Yan S, Xu C, Yang M, Zhang H, Cheng Y, Xue Z, He Z, Wang T, Bai S, Wang G, Wu J, Tong Z, Cai X. The expression of agmatinase manipulates the affective state of rats subjected to chronic restraint stress. Neuropharmacology 2023; 229:109476. [PMID: 36849038 DOI: 10.1016/j.neuropharm.2023.109476] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Revised: 02/10/2023] [Accepted: 02/21/2023] [Indexed: 02/27/2023]
Abstract
Agmatine is an endogenous polyamine produced from l-arginine and degraded by agmatinase (AGMAT). Studies in humans and animals have shown that agmatine has neuroprotective, anxiolytic, and antidepressant-like actions. However, little is known about the role of AGMAT in the action of agmatine or in the pathophysiology of psychiatric disorders. Therefore, this study aimed to investigate the role of AGMAT in the pathophysiology of MDD. In this study, we observed that AGMAT expression increased in the ventral hippocampus rather than in the medial prefrontal cortex in the chronic restraint stress (CRS) animal model of depression. Furthermore, we found that AGMAT overexpression in the ventral hippocampus elicited depressive- and anxiety-like behaviors, whereas knockdown of AGMAT exhibited antidepressant and anxiolytic effects in CRS animals. Field and whole-cell recordings of hippocampal CA1 revealed that AGMAT blockage increased Schaffer collateral-CA1 excitatory synaptic transmission, which was expressed both pre- and post-synaptically and was probably due to the inhibition of AGMAT-expressing local interneurons. Therefore, our results suggest that dysregulation of AGMAT is involved in the pathophysiology of depression and is a potential target for designing more effective antidepressants with fewer adverse effects to offer a better therapy for depression.
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Affiliation(s)
- Shi Yan
- Beijing Institute of Brain Disorders, Laboratory of Brain Disorder, Ministry of Science and Technology, Collaborative Innovation Center for Brain Disorders, Capital Medical University, Beijing 100069, China
| | - Chang Xu
- College of Life Science, Shaanxi Normal University, 620 West Chang'an Street, Xi'an, Shaanxi 710119, China
| | - Mengli Yang
- Beijing Institute of Brain Disorders, Laboratory of Brain Disorder, Ministry of Science and Technology, Collaborative Innovation Center for Brain Disorders, Capital Medical University, Beijing 100069, China
| | - Huiqiang Zhang
- Beijing Institute of Brain Disorders, Laboratory of Brain Disorder, Ministry of Science and Technology, Collaborative Innovation Center for Brain Disorders, Capital Medical University, Beijing 100069, China
| | - Ye Cheng
- Beijing Institute of Brain Disorders, Laboratory of Brain Disorder, Ministry of Science and Technology, Collaborative Innovation Center for Brain Disorders, Capital Medical University, Beijing 100069, China
| | - Zeping Xue
- Beijing Institute of Brain Disorders, Laboratory of Brain Disorder, Ministry of Science and Technology, Collaborative Innovation Center for Brain Disorders, Capital Medical University, Beijing 100069, China
| | - Zecong He
- Beijing Institute of Brain Disorders, Laboratory of Brain Disorder, Ministry of Science and Technology, Collaborative Innovation Center for Brain Disorders, Capital Medical University, Beijing 100069, China
| | - Tiantian Wang
- Beijing Institute of Brain Disorders, Laboratory of Brain Disorder, Ministry of Science and Technology, Collaborative Innovation Center for Brain Disorders, Capital Medical University, Beijing 100069, China
| | - Shangying Bai
- Beijing Institute of Brain Disorders, Laboratory of Brain Disorder, Ministry of Science and Technology, Collaborative Innovation Center for Brain Disorders, Capital Medical University, Beijing 100069, China
| | - Gang Wang
- Beijing Institute of Brain Disorders, Laboratory of Brain Disorder, Ministry of Science and Technology, Collaborative Innovation Center for Brain Disorders, Capital Medical University, Beijing 100069, China; The National Clinical Research Center for Mental Disorders & Beijing Key Laboratory of Mental Disorders Beijing Anding Hospital Capital Medical University, Beijing 100088, China
| | - Jianping Wu
- School of Chemistry, Chemical Engineering and Life Sciences, Wuhan University of Technology, Wuhan, Hubei 430070, China; Advanced Innovation Center for Human Brain Protection, Collaborative Innovation Center for Brain Disorders, Capital Medical University, Beijing 100069, China
| | - Zhiqian Tong
- Oujiang Laboratory, Key Laboratory of Alzheimer's Disease of Zhejiang Province, Institute of Aging, School of Mental Health, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Xiang Cai
- Oujiang Laboratory, Key Laboratory of Alzheimer's Disease of Zhejiang Province, Institute of Aging, School of Mental Health, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China; Beijing Institute of Brain Disorders, Advanced Innovation Center for Human Brain Protection, Collaborative Innovation Center for Brain Disorders, Capital Medical University, Beijing 100069, China.
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5
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Vinchurney MD, Dhokne MD, Kotagale N, Umekar MJ, Taksande B. Agmatine prevents the manifestation of impulsive burying and depression-like behaviour in progesterone withdrawn female rats. Horm Behav 2023; 152:105361. [PMID: 37163843 DOI: 10.1016/j.yhbeh.2023.105361] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Revised: 03/24/2023] [Accepted: 04/09/2023] [Indexed: 05/12/2023]
Abstract
Premenstrual dysphoric disorder (PMDD) is characterized by various physical and affective symptoms, including anxiety, irritability, anhedonia, social withdrawal, and depression. The present study investigated the role of the agmatinergic system in animal model of progesterone withdrawal in female rats. Chronic progesterone exposure of female rats for 21 days and its abrupt withdrawal showed enhanced marble burying, increased immobility time, and reduced no. of entries in open arm as compared to control animals. The progesterone withdrawal-induced enhanced marble burying anxiety and immobility time was significantly attenuated by agmatine (5-20 mg/kg, i.p.), and its endogenous modulators like L-arginine (100 mg/kg, i.p.), amino-guanidine (25 mg/kg, i.p.) and arcaine (50 mg/kg, i.p.) by their once-daily administration from day 14-day 21 of the protocol. We have also analysed the levels of agmatine, progesterone, and inflammatory cytokines in the hippocampal region of progesterone withdrawn rats. There was a significant decline in agmatine and progesterone levels and an elevation in cytokine levels in the hippocampal region of progesterone withdrawn rats compared to the control animals. In conclusion, the present studies suggest the importance of the endogenous agmatinergic system in progesterone withdrawal-induced anxiety-like and depression-like behaviour. The data also projects agmatine as a potential therapeutic target for the premenstrual dysphoric disorder.
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Affiliation(s)
- Madhura Dixit Vinchurney
- Division of Neuroscience, Department of Pharmacology, Smt. Kishoritai Bhoyar College of Pharmacy, New Kamptee, Nagpur, M.S. 441 002, India
| | - Mrunali D Dhokne
- Division of Neuroscience, Department of Pharmacology, Smt. Kishoritai Bhoyar College of Pharmacy, New Kamptee, Nagpur, M.S. 441 002, India
| | - Nandkishor Kotagale
- Government College of Pharmacy, Kathora Naka, VMV Road, Amravati, M.S. 444604, India
| | - Milind J Umekar
- Division of Neuroscience, Department of Pharmacology, Smt. Kishoritai Bhoyar College of Pharmacy, New Kamptee, Nagpur, M.S. 441 002, India
| | - Brijesh Taksande
- Division of Neuroscience, Department of Pharmacology, Smt. Kishoritai Bhoyar College of Pharmacy, New Kamptee, Nagpur, M.S. 441 002, India.
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6
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The impact of amino acid metabolism on adult neurogenesis. Biochem Soc Trans 2023; 51:233-244. [PMID: 36606681 DOI: 10.1042/bst20220762] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2022] [Revised: 12/02/2022] [Accepted: 12/05/2022] [Indexed: 01/07/2023]
Abstract
Adult neurogenesis is a multistage process during which newborn neurons are generated through the activation and proliferation of neural stem cells (NSCs) and integrated into existing neural networks. Impaired adult neurogenesis has been observed in various neurological and psychiatric disorders, suggesting its critical role in cognitive function, brain homeostasis, and neural repair. Over the past decades, mounting evidence has identified a strong association between metabolic status and adult neurogenesis. Here, we aim to summarize how amino acids and their neuroactive metabolites affect adult neurogenesis. Furthermore, we discuss the causal link between amino acid metabolism, adult neurogenesis, and neurological diseases. Finally, we propose that systematic elucidation of how amino acid metabolism regulates adult neurogenesis has profound implications not only for understanding the biological underpinnings of brain development and neurological diseases, but also for providing potential therapeutic strategies to intervene in disease progression.
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7
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Wang YB, Song NN, Ding YQ, Zhang L. Neural Plasticity and Depression Treatment. IBRO Neurosci Rep 2022. [DOI: 10.1016/j.ibneur.2022.09.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/08/2022] Open
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8
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Pharmacological Strategies for Suicide Prevention Based on the Social Pain Model: A Scoping Review. PSYCH 2022. [DOI: 10.3390/psych4030038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Suicidal behaviour is a public health problem whose magnitude is both substantial and increasing. Since many individuals seek medical treatment following a suicide attempt, strategies aimed at reducing further attempts in this population are a valid and feasible secondary prevention approach. An evaluation of the available evidence suggests that existing treatment approaches have a limited efficacy in this setting, highlighting the need for innovative approaches to suicide prevention. Existing research on the neurobiology of social pain has highlighted the importance of this phenomenon as a risk factor for suicide, and has also yielded several attractive targets for pharmacological strategies that could reduce suicidality in patients with suicidal ideation or a recent attempt. In this paper, the evidence related to these targets is synthesized and critically evaluated. The way in which social pain is related to the “anti-suicidal” properties of recently approved treatments, such as ketamine and psilocybin, is examined. Such strategies may be effective for the short-term reduction in suicidal ideation and behaviour, particularly in cases where social pain is identified as a contributory factor. These pharmacological approaches may be effective regardless of the presence or absence of a specific psychiatric diagnosis, but they require careful evaluation.
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Şorodoc V, Rusu-Zota G, Nechita P, Moraru C, Manole OM. Effects of imidazoline agents in a rat conditioned place preference model of addiction. Naunyn Schmiedebergs Arch Pharmacol 2022; 395:365-376. [PMID: 34997272 PMCID: PMC8816376 DOI: 10.1007/s00210-021-02194-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Accepted: 12/07/2021] [Indexed: 11/28/2022]
Abstract
Agmatine (AG), idazoxan (IDZ), and efaroxan (EFR) are imidazoline receptor ligands with beneficial effects in central nervous system disorders. The present study aimed to evaluate the interaction between AG, IDZ, and EFR with an opiate, tramadol (TR), in a conditioned place preference (CPP) paradigm. In the experiment, we used five groups with 8 adult male Wistar rats each. During the condition session, on days 2, 4, 6, and 8, the rats received the drugs (saline, or TR, or IDZ and TR, or EFR and TR, or AG and TR) and were placed in their least preferred compartment. On days 1, 3, 5, and 7, the rats received saline in the preferred compartment. In the preconditioning, the preferred compartment was determined. In the postconditioning, the preference for one of the compartments was reevaluated. TR increased the time spent in the non-preferred compartment. AG decreased time spent in the TR-paired compartment. EFR, more than IDZ, reduced the time spent in the TR-paired compartment, but without statistical significance. AG reversed the TR-induced CPP, while EFR and IDZ only decreased the time spent in the TR-paired compartment, without statistical significance.
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Affiliation(s)
- V Şorodoc
- Department of Internal Medicine (Toxicology), University of Medicine and Pharmacy, "Grigore T. Popa", 700115, Iasi, Romania
| | - G Rusu-Zota
- Department of Pharmacology, Clinical Pharmacology and Algesiology, University of Medicine and Pharmacy, "Grigore T. Popa", 700115, Iasi, Romania.
| | - P Nechita
- "Socola" Psychiatric Institute, 700282, Iasi, Romania
| | - C Moraru
- "Socola" Psychiatric Institute, 700282, Iasi, Romania
| | - O M Manole
- University of Medicine and Pharmacy, "Grigore T. Popa", 700115, Iasi, Romania
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Lin L, Herselman MF, Zhou XF, Bobrovskaya L. Effects of corticosterone on BDNF expression and mood behaviours in mice. Physiol Behav 2022; 247:113721. [DOI: 10.1016/j.physbeh.2022.113721] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Revised: 01/01/2022] [Accepted: 01/20/2022] [Indexed: 01/15/2023]
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Yadav RK, Mehan S, Sahu R, Kumar S, Khan A, Makeen HA, Al Bratty M. Protective effects of apigenin on methylmercury-induced behavioral/neurochemical abnormalities and neurotoxicity in rats. Hum Exp Toxicol 2022; 41:9603271221084276. [PMID: 35373622 DOI: 10.1177/09603271221084276] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Methylmercury (MeHg) is a neurotoxin that induces neurotoxicity and cell death in neurons. MeHg increases oligodendrocyte death, glial cell activation, and motor neuron demyelination in the motor cortex and spinal cord. As a result, MeHg plays an important role in developing neurocomplications similar to amyotrophic lateral sclerosis (ALS). Recent research has implicated c-JNK and p38MAPK overactivation in the pathogenesis of ALS. Apigenin (APG) is a flavonoid having anti-inflammatory, antioxidant, and c-JNK/p38MAPK inhibitory activities. The purpose of this study is to determine whether APG possesses neuroprotective effects in MeHg-induced neurotoxicity in adult rats associated with ALS-like neuropathological alterations. In the current study, the neurotoxin MeHg causes an ALS-like phenotype in Wistar rats after 21 days of oral administration at a dose of 5 mg/kg. Prolonged administration of APG (40 and 80 mg/kg) improved neurobehavioral parameters such as learning memory, cognition, motor coordination, and grip strength. This is mainly associated with the downregulation of c-JNK and p38MAPK signaling as well as the restoration of myelin basic protein within the brain. Furthermore, APG inhibited neuronal apoptotic markers (Bax, Bcl-2, and caspase-3), restored neurotransmitter imbalance, decreased inflammatory markers (TNF- and IL-1), and alleviated oxidative damage. As a result, the current study shows that APG has neuroprotective potential as a c-JNK and p38MAPK signaling inhibitor against MeHg-induced neurotoxicity in adult rats. Based on these promising findings, we suggested that APG could be a potential new therapeutic approach over other conventional therapeutic approaches for MeHg-induced neurotoxicity in neurobehavioral, molecular, and neurochemical abnormalities.
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Affiliation(s)
- Rajeshwar Kumar Yadav
- Neuropharmacology Division, Department of Pharmacology, 75126ISF College of Pharmacy, Moga, Punjab, India
| | - Sidharth Mehan
- Neuropharmacology Division, Department of Pharmacology, 75126ISF College of Pharmacy, Moga, Punjab, India
| | - Rakesh Sahu
- Neuropharmacology Division, Department of Pharmacology, 75126ISF College of Pharmacy, Moga, Punjab, India
| | - Sumit Kumar
- Neuropharmacology Division, Department of Pharmacology, 75126ISF College of Pharmacy, Moga, Punjab, India
| | - Andleeb Khan
- Department of Pharmacology and Toxicology, College of Pharmacy, 123285Jazan University, Jazan, Saudi Arabia
| | - Hafiz Antar Makeen
- Department of Clinical Pharmacy, College of Pharmacy, 123285Jazan University, Jazan, Saudi Arabia
| | - Mohammed Al Bratty
- Department of Pharmaceutical Chemistry, College of Pharmacy, 123285Jazan University, Jazan, Saudi Arabia
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12
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Fraga DB, Camargo A, Olescowicz G, Padilha DA, Mina F, Budni J, Brocardo PS, Rodrigues ALS. Ketamine, but not fluoxetine, rapidly rescues corticosterone-induced impairments on glucocorticoid receptor and dendritic branching in the hippocampus of mice. Metab Brain Dis 2021; 36:2223-2233. [PMID: 33950381 DOI: 10.1007/s11011-021-00743-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Accepted: 04/22/2021] [Indexed: 12/19/2022]
Abstract
Although numerous studies have investigated the mechanisms underlying the fast and sustained antidepressant-like effects of ketamine, the contribution of the glucocorticoid receptor (GR) and dendritic branching remodeling to its responses remain to be fully established. This study investigated the ability of a single administration of ketamine to modulate the GR and dendritic branching remodeling and complexity in the hippocampus of mice subjected to chronic corticosterone (CORT) administration. CORT was administered for 21 days, followed by a single administration of ketamine (1 mg ∕kg, i.p.) or fluoxetine (10 mg ∕kg, p.o., conventional antidepressant) in mice. On 22nd, 24 h after the treatments, GR immunocontent in the hippocampus was analyzed by western blotting, while the dendritic arborization and dendrite length in the ventral and dorsal dentate gyrus (DG) of the hippocampus was analyzed by Sholl analysis. Chronic CORT administration downregulated hippocampal GR immunocontent, but this alteration was completely reversed by a single administration of ketamine, but not fluoxetine. Moreover, CORT administration significantly decreased dendritic branching in the dorsal and ventral DG areas and caused a mild decrease in dendrite length in both regions. Ketamine, but not fluoxetine, reversed CORT-induced dendritic branching loss in the ventral and dorsal DG areas, regions associated with mood regulation and cognitive functions, respectively. This study provides novel evidence that a single administration of ketamine, but not fluoxetine, rescued the impairments on GR and dendritic branching in the hippocampus of mice subjected to chronic CORT administration, effects that may be associated with its rapid antidepressant response.
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Affiliation(s)
- Daiane B Fraga
- Department of Biochemistry, Center of Biological Sciences, Federal University of Santa Catarina, Florianópolis, SC, Brazil
| | - Anderson Camargo
- Department of Biochemistry, Center of Biological Sciences, Federal University of Santa Catarina, Florianópolis, SC, Brazil
| | - Gislaine Olescowicz
- Department of Biochemistry, Center of Biological Sciences, Federal University of Santa Catarina, Florianópolis, SC, Brazil
| | - Dayane Azevedo Padilha
- Department of Biochemistry, Center of Biological Sciences, Federal University of Santa Catarina, Florianópolis, SC, Brazil
| | - Francielle Mina
- Laboratory of Experimental Neurology, Graduate Program in Health Sciences, University of Southern Santa Catarina, Criciúma, SC, Brazil
| | - Josiane Budni
- Laboratory of Experimental Neurology, Graduate Program in Health Sciences, University of Southern Santa Catarina, Criciúma, SC, Brazil
| | - Patricia S Brocardo
- Department of Morphological Sciences, Center of Biological Sciences, Federal University of Santa Catarina, Florianópolis, SC, Brazil
| | - Ana Lúcia S Rodrigues
- Department of Biochemistry, Center of Biological Sciences, Federal University of Santa Catarina, Florianópolis, SC, Brazil.
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Dala-Paula BM, Starling MDFV, Gloria MBA. Vegetables consumed in Brazilian cuisine as sources of bioactive amines. FOOD BIOSCI 2021. [DOI: 10.1016/j.fbio.2020.100856] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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14
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Role of adult hippocampal neurogenesis in the antidepressant actions of lactate. Mol Psychiatry 2021; 26:6723-6735. [PMID: 33990772 PMCID: PMC8760055 DOI: 10.1038/s41380-021-01122-0] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Revised: 04/01/2021] [Accepted: 04/13/2021] [Indexed: 02/03/2023]
Abstract
In addition to its role as a neuronal energy substrate and signaling molecule involved in synaptic plasticity and memory consolidation, recent evidence shows that lactate produces antidepressant effects in animal models. However, the mechanisms underpinning lactate's antidepressant actions remain largely unknown. In this study, we report that lactate reverses the effects of corticosterone on depressive-like behavior, as well as on the inhibition of both the survival and proliferation of new neurons in the adult hippocampus. Furthermore, the inhibition of adult hippocampal neurogenesis prevents the antidepressant-like effects of lactate. Pyruvate, the oxidized form of lactate, did not mimic the effects of lactate on adult hippocampal neurogenesis and depression-like behavior. Finally, our data suggest that conversion of lactate to pyruvate with the concomitant production of NADH is necessary for the neurogenic and antidepressant effects of lactate.
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15
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Gruhn K, Siteneski A, Camargo A, Freitas AE, Olescowicz G, Brocardo PS, Rodrigues ALS. Physical exercise stimulates hippocampal mTORC1 and FNDC5/irisin signaling pathway in mice: Possible implication for its antidepressant effect. Behav Brain Res 2020; 400:113040. [PMID: 33279634 DOI: 10.1016/j.bbr.2020.113040] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Revised: 11/04/2020] [Accepted: 11/30/2020] [Indexed: 12/12/2022]
Abstract
Several lines of evidence have consistently indicated that physical exercise has antidepressant effects by improving hippocampal function, although the signaling pathways underpinning these responses are not well established. Therefore, this study investigated the role of mechanistic target of rapamycin complex 1 (mTORC1) and fibronectin type III domain-containing protein 5 (FNDC5)/irisin signaling in the antidepressant-like effect of physical exercise. We showed that physical exercise (treadmill running - 45 min/day/5 days/week for 4 weeks) produced an antidepressant-like effect as indicated by a reduction on the immobility time in mice subjected to the forced swimming test (FST) without altering locomotor activity in the open field test (OFT). Rapamycin (a selective mTORC1 inhibitor, 0.2 nmol/site, i.c.v.) administration completely abolished the antidepressant-like effect of physical exercise in the FST, suggesting that mTORC1 activation plays a role for its behavioral effect. Accordingly, physical exercise increased the number of phosphorylated mTORC1 (Ser2448)-positive cells in the entire and ventral subgranular zone of the hippocampal dentate gyrus. Physical exercise was also effective in augmenting the hippocampal FNDC5/irisin immunocontent, but rapamycin administration did not alter this effect. Our results reinforce the notion that physical exercise exerts an antidepressant-like effect and identifies the mTORC1-mediated signaling pathway as a target for its behavioral effects. This study provides additional evidence that physical exercise increases hippocampal FNDC5/irisin immunocontent, but this effect seems to be independent on hippocampal mTORC1 activation. Altogether the results contribute to elucidate possible molecular targets implicated in the antidepressant effects of physical exercise and highlight the role of mTORC1 signaling for its behavioral response.
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Affiliation(s)
- Karen Gruhn
- Department of Biochemistry, Center of Biological Sciences, Federal University of Santa Catarina, 88040-900, Florianópolis, Santa Catarina, Brazil
| | - Aline Siteneski
- Department of Biochemistry, Center of Biological Sciences, Federal University of Santa Catarina, 88040-900, Florianópolis, Santa Catarina, Brazil; Institute of Investigation, Faculty of Health Sciences, Technical University of Manabí, 130103, Portoviejo, Manabí, Ecuador
| | - Anderson Camargo
- Department of Biochemistry, Center of Biological Sciences, Federal University of Santa Catarina, 88040-900, Florianópolis, Santa Catarina, Brazil
| | - Andiara E Freitas
- Department of Biochemistry, Center of Biological Sciences, Federal University of Santa Catarina, 88040-900, Florianópolis, Santa Catarina, Brazil
| | - Gislaine Olescowicz
- Department of Biochemistry, Center of Biological Sciences, Federal University of Santa Catarina, 88040-900, Florianópolis, Santa Catarina, Brazil
| | - Patricia S Brocardo
- Department of Morphological Sciences, Center of Biological Sciences, Federal University of Santa Catarina, 88040-900, Florianópolis, Santa Catarina, Brazil
| | - Ana Lúcia S Rodrigues
- Department of Biochemistry, Center of Biological Sciences, Federal University of Santa Catarina, 88040-900, Florianópolis, Santa Catarina, Brazil.
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16
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Aglawe MM, Kale MB, Rahangdale SR, Kotagale NR, Umekar MJ, Taksande BG. Agmatine improves the behavioral and cognitive impairments associated with chronic gestational ethanol exposure in rats. Brain Res Bull 2020; 167:37-47. [PMID: 33242522 DOI: 10.1016/j.brainresbull.2020.11.015] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Revised: 10/28/2020] [Accepted: 11/19/2020] [Indexed: 12/30/2022]
Abstract
Chronic maternal ethanol exposure leads to poor intelligence, impaired cognition and array of neurological symptoms in offsprings and commonly referred as fetal alcohol spectrum disorder (FASD). Despite high prevalence and severity, the neurochemical basis of FASD remains largely unexplored. The present study evaluated the pharmacological effects of agmatine in cognitive deficits associated with FAS in rat's offsprings prenatally exposed to alcohol. Pregnant rats received ethanol in liquid modified diet during the entire gestational period of 21 days. Offsprings were treated with agmatine (20-80 mg/Kg, i.p.) during early postnatal days (PND: 21-35) and subsequently evaluated for anxiety in elevated plus maze (EPM), depression in forced swim test (FST) and learning and memory in Morris's water maze (MWM) during post adolescent phase. Hippocampal agmatine, BDNF, TNF-α and IL-6 levels were also analyzed in prenatally ethanol exposed pups. Offsprings prenatally exposed to ethanol demonstrated delayed righting reflex, reduced exploratory behavior along with anxiety, depression-like behavior and impaired memory. These behavioral abnormalities were correlated with a significant reduction in hippocampal agmatine and BDNF levels and elevation in TNF-α and IL-6 immunocontent. Chronic agmatine (40 and 80 mg/Kg, i.p.) administration for 15 days (PND: 21-35), improved entries and time spent in open arm of EPM, decreased immobility time in FST. It also reduced latency to reach the platform location; increased the number of entries, time spent in platform quadrant and also number of crossing over platform quadrant when subjected to MWM test in prenatally ethanol exposed offsprings. This study provides functional evidences for the therapeutic potential of agmatine in cognitive impairment and other neurological complications associated with FASD.
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Affiliation(s)
- Manish M Aglawe
- Division of Neuroscience, Department of Pharmacology, Shrimati Kishoritai Bhoyar College of Pharmacy, New Kamptee, Nagpur, Maharashtra, 441 002, India
| | - Mayur B Kale
- Division of Neuroscience, Department of Pharmacology, Shrimati Kishoritai Bhoyar College of Pharmacy, New Kamptee, Nagpur, Maharashtra, 441 002, India
| | - Sandip R Rahangdale
- Division of Neuroscience, Department of Pharmacology, Shrimati Kishoritai Bhoyar College of Pharmacy, New Kamptee, Nagpur, Maharashtra, 441 002, India
| | | | - Milind J Umekar
- Division of Neuroscience, Department of Pharmacology, Shrimati Kishoritai Bhoyar College of Pharmacy, New Kamptee, Nagpur, Maharashtra, 441 002, India
| | - Brijesh G Taksande
- Division of Neuroscience, Department of Pharmacology, Shrimati Kishoritai Bhoyar College of Pharmacy, New Kamptee, Nagpur, Maharashtra, 441 002, India.
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Kale M, Nimje N, Aglawe MM, Umekar M, Taksande B, Kotagale N. Agmatine modulates anxiety and depression-like behaviour in diabetic insulin-resistant rats. Brain Res 2020; 1747:147045. [DOI: 10.1016/j.brainres.2020.147045] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2020] [Revised: 07/25/2020] [Accepted: 07/31/2020] [Indexed: 12/15/2022]
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18
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Zhang Z, Shao S, Zhang Y, Jia R, Hu X, Liu H, Sun M, Zhang B, Li Q, Wang Y. Xiaoyaosan slows cancer progression and ameliorates gut dysbiosis in mice with chronic restraint stress and colorectal cancer xenografts. Biomed Pharmacother 2020; 132:110916. [PMID: 33113425 DOI: 10.1016/j.biopha.2020.110916] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Revised: 10/07/2020] [Accepted: 10/17/2020] [Indexed: 02/07/2023] Open
Abstract
Depression is a risk factor for colorectal cancer (CRC) progression. Xiaoyaosan (XYS) is a traditional Chinese medicine prescription for treating depression. Our present study aimed to investigate the effect of XYS on chronic restraint stress (CRS) in mice with CRC xenografts and explore its underlying mechanisms. XYS treatment for 21 consecutive days successfully reduced the tumour volume and tumour weight in mice and prolonged the overall survival time. In addition, the intestinal permeability in the XYS group was significantly improved after administration. The 16S rRNA high-throughput sequencing method was used to sequence stool samples to check the structure and changes of gut bacteria. XYS mainly regulated the abundance of Bacteroides, Lactobacillus, Desulfovibrio and Rikenellaceae. Taken together, these results provide direct strong evidence that XYS effectively improves the progression of CRC in CRS-handled mice, and its efficacy is associated with the modulation of gut dysbiosis. The application of XYS can be a novel therapeutic strategy for CRC patients with depression.
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Affiliation(s)
- Zhaozhou Zhang
- Department of Medical Oncology, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China; Academy of Integrative Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Shiyun Shao
- Department of Medical Oncology, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China; Academy of Integrative Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Yingru Zhang
- Department of Medical Oncology, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Ru Jia
- Department of Medical Oncology, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Xueqing Hu
- Department of Medical Oncology, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China; Academy of Integrative Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Hui Liu
- Department of Medical Oncology, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Mingyu Sun
- Institute of Liver Diseases, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Bimeng Zhang
- Department of Acupuncture and Moxibustion, Shanghai General Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, 200080, China.
| | - Qi Li
- Department of Medical Oncology, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China; Academy of Integrative Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China.
| | - Yan Wang
- Department of Medical Oncology, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China.
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19
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Wang P, Liang Y, Chen K, Yau SY, Sun X, Cheng KKY, Xu A, So KF, Li A. Potential Involvement of Adiponectin Signaling in Regulating Physical Exercise-Elicited Hippocampal Neurogenesis and Dendritic Morphology in Stressed Mice. Front Cell Neurosci 2020; 14:189. [PMID: 32774242 PMCID: PMC7381385 DOI: 10.3389/fncel.2020.00189] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2020] [Accepted: 05/29/2020] [Indexed: 12/12/2022] Open
Abstract
Adiponectin, a cytokine secreted by mature adipocytes, proves to be neuroprotective. We have previously reported that running triggers adiponectin up-regulation which subsequently promotes generation of hippocampal neurons and thereby alleviates depression-like behaviors in non-stressed mice. However, under the stressing condition, whether adiponectin could still exert antidepressant-like effects following exercise remained unexplored. In this study, by means of repeated corticosterone injections to mimic stress insult and voluntary wheel running as physical exercise intervention, we examined whether exercise-elicited antidepressive effects might involve adiponectin's regulation on hippocampal neurogenesis and dendritic plasticity in stressed mice. Here we show that repeated injections of corticosterone inhibited hippocampal neurogenesis and impaired dendritic morphology of neurons in the dentate gyrus of both wild-type and adiponectin-knockout mice comparably, which subsequently evoked depression-like behaviors. Voluntary wheel running attenuated corticosterone-suppressed neurogenesis and enhanced dendritic plasticity in the hippocampus, ultimately reducing depression-like behaviors in wild-type, but not adiponectin-knockout mice. We further demonstrate that such proneurogenic effects were potentially achieved through activation of the AMP-dependent kinase (AMPK) pathway. Our study provides the first evidence that adiponectin signaling is essential for physical exercise-triggered effects on stress-elicited depression by retaining the normal proliferation of neural progenitors and dendritic morphology of neurons in the hippocampal dentate gyrus, which may depend on activation of the AMPK pathway.
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Affiliation(s)
- Pingjie Wang
- Guangdong-Hong Kong-Macau Institute of CNS Regeneration, Joint International Research Laboratory of CNS Regeneration Ministry of Education, Jinan University, Guangzhou, China
| | - Yiyao Liang
- Guangdong-Hong Kong-Macau Institute of CNS Regeneration, Joint International Research Laboratory of CNS Regeneration Ministry of Education, Jinan University, Guangzhou, China
| | - Kai Chen
- Guangdong-Hong Kong-Macau Institute of CNS Regeneration, Joint International Research Laboratory of CNS Regeneration Ministry of Education, Jinan University, Guangzhou, China
| | - Suk-Yu Yau
- Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Kowloon, Hong Kong
| | - Xin Sun
- Guangdong-Hong Kong-Macau Institute of CNS Regeneration, Joint International Research Laboratory of CNS Regeneration Ministry of Education, Jinan University, Guangzhou, China
| | - Kenneth King-Yip Cheng
- Department of Health Technology and Informatics, The Hong Kong Polytechnic University, Kowloon, Hong Kong
| | - Aimin Xu
- Department of Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong.,Department of Pharmacy and Pharmacology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong.,State Key Laboratory of Pharmaceutical Biotechnology, The University of Hong Kong, Pokfulam, Hong Kong
| | - Kwok-Fai So
- Guangdong-Hong Kong-Macau Institute of CNS Regeneration, Joint International Research Laboratory of CNS Regeneration Ministry of Education, Jinan University, Guangzhou, China.,State Key Laboratory of Brain and Cognitive Sciences, The University of Hong Kong, Pokfulam, Hong Kong.,Department of Ophthalmology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong.,Guangzhou Regenerative Medicine and Health Guangdong Laboratory, Guangzhou, China.,Co-innovation Center of Neuroregeneration, Nantong University, Nantong, China
| | - Ang Li
- Guangdong-Hong Kong-Macau Institute of CNS Regeneration, Joint International Research Laboratory of CNS Regeneration Ministry of Education, Jinan University, Guangzhou, China.,Guangzhou Regenerative Medicine and Health Guangdong Laboratory, Guangzhou, China
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20
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Comparison of high-intensity interval training and moderate-intensity continuous training in their effects on behavioral functions and CORT levels in streptozotocin-induced diabetic mice. SPORT SCIENCES FOR HEALTH 2020. [DOI: 10.1007/s11332-020-00661-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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21
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Chaves RDC, Mallmann ASV, de Oliveira NF, Capibaribe VCC, da Silva DMA, Lopes IS, Valentim JT, Barbosa GR, de Carvalho AMR, Fonteles MMDF, Gutierrez SJC, Barbosa Filho JM, de Sousa FCF. The neuroprotective effect of Riparin IV on oxidative stress and neuroinflammation related to chronic stress-induced cognitive impairment. Horm Behav 2020; 122:104758. [PMID: 32304685 DOI: 10.1016/j.yhbeh.2020.104758] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/03/2019] [Revised: 04/08/2020] [Accepted: 04/10/2020] [Indexed: 10/24/2022]
Abstract
BACKGROUND Cognitive impairment is identified as one of the diagnostic criteria for major depressive disorder and can extensively affect the quality of life of patients. Based on these findings, this study aimed to investigate the possible effects of Riparin IV (Rip IV) on cognitive impairment induced by chronic administration of corticosterone in mice. METHODS Female Swiss mice were divided into four groups: control (Control), corticosterone (Cort), Riparin IV (Cort + Rip IV), and Fluvoxamine (Cort + Flu). Three groups were administered corticosterone (20 mg/kg) subcutaneously during the 22-day study, while the control group received only vehicle. After the 14th day, the groups were administered medications: Riparin IV (Rip IV), fluvoxamine (Flu), or distilled water, by gavage, 1 h after the subcutaneous injections. After treatment, mice underwent behavioral testing, and brain areas were removed for oxidative stress and cytokine content assays. RESULTS The results revealed that Cort-treated mice developed a cognitive impairment and exhibited a neuroinflammatory profile with an oxidative load and Th1/Th2 cytokine imbalance. Rip IV treatment significantly ameliorated the cognitive deficit induced by Cort and displayed a neuroprotective effect. CONCLUSION The antidepressant-like ability of Rip IV treatment against chronic Cort-induced stress may be due to its potential to mitigate inflammatory damage and oxidative stress. The antioxidant and anti-inflammatory effect observed indicates Rip IV as a possible drug for antidepressant treatment of non-responsive patients with severe and cognitive symptoms.
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Affiliation(s)
- Raquell de Castro Chaves
- Neuropharmacology Laboratory, Drug Research and Development Center, Department of Physiology and Pharmacology, School of Medicine, Federal University of Ceará, Fortaleza, Ceará, Brazil
| | - Auriana Serra Vasconcelos Mallmann
- Neuropharmacology Laboratory, Drug Research and Development Center, Department of Physiology and Pharmacology, School of Medicine, Federal University of Ceará, Fortaleza, Ceará, Brazil
| | - Natália Ferreira de Oliveira
- Neuropharmacology Laboratory, Drug Research and Development Center, Department of Physiology and Pharmacology, School of Medicine, Federal University of Ceará, Fortaleza, Ceará, Brazil
| | - Victor Celso Cavalcanti Capibaribe
- Neuropharmacology Laboratory, Drug Research and Development Center, Department of Physiology and Pharmacology, School of Medicine, Federal University of Ceará, Fortaleza, Ceará, Brazil
| | - Daniel Moreira Alves da Silva
- Neuropharmacology Laboratory, Drug Research and Development Center, Department of Physiology and Pharmacology, School of Medicine, Federal University of Ceará, Fortaleza, Ceará, Brazil
| | - Iardja Stéfane Lopes
- Neuropharmacology Laboratory, Drug Research and Development Center, Department of Physiology and Pharmacology, School of Medicine, Federal University of Ceará, Fortaleza, Ceará, Brazil
| | - José Tiago Valentim
- Neuropharmacology Laboratory, Drug Research and Development Center, Department of Physiology and Pharmacology, School of Medicine, Federal University of Ceará, Fortaleza, Ceará, Brazil
| | - Giovanna Riello Barbosa
- Multi-User Facility, Drug Research and Development Center, Federal University of Ceará, Brazil
| | - Alyne Mara Rodrigues de Carvalho
- Neuropharmacology Laboratory, Drug Research and Development Center, Department of Physiology and Pharmacology, School of Medicine, Federal University of Ceará, Fortaleza, Ceará, Brazil
| | | | - Stanley Juan Chavez Gutierrez
- Laboratory of Pharmaceutical Chemistry, Department of Biochemistry and Pharmacology, Federal University of Piauí, Teresina, Piauí, Brazil
| | - José Maria Barbosa Filho
- Laboratory of Pharmaceutical Technology, Department of Pharmaceutical Science, Federal University of Paraiba, João Pessoa, Paraiba, Brazil
| | - Francisca Cléa Florenço de Sousa
- Neuropharmacology Laboratory, Drug Research and Development Center, Department of Physiology and Pharmacology, School of Medicine, Federal University of Ceará, Fortaleza, Ceará, Brazil.
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22
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Morus nigra leaves extract revokes the depressive-like behavior, oxidative stress, and hippocampal damage induced by corticosterone: a pivotal role of the phenolic syringic acid. Behav Pharmacol 2020; 31:397-406. [DOI: 10.1097/fbp.0000000000000549] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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23
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Olescowicz G, Sampaio TB, de Paula Nascimento-Castro C, Brocardo PS, Gil-Mohapel J, Rodrigues ALS. Protective Effects of Agmatine Against Corticosterone-Induced Impairment on Hippocampal mTOR Signaling and Cell Death. Neurotox Res 2020; 38:319-329. [DOI: 10.1007/s12640-020-00212-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2019] [Revised: 04/06/2020] [Accepted: 04/22/2020] [Indexed: 12/23/2022]
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Kotagale N, Deshmukh R, Dixit M, Fating R, Umekar M, Taksande B. Agmatine ameliorates manifestation of depression-like behavior and hippocampal neuroinflammation in mouse model of Alzheimer's disease. Brain Res Bull 2020; 160:56-64. [PMID: 32344125 DOI: 10.1016/j.brainresbull.2020.04.013] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2019] [Revised: 04/13/2020] [Accepted: 04/19/2020] [Indexed: 12/14/2022]
Abstract
Extensive clinical and experimental studies established that depression and mood disorders are highly prevalent neuropsychiatric conditions in Alzheimer's disease (AD). However, its neurochemical basis is not clearly understood. Thus, understanding the neural mechanisms involved in mediating the co-morbidity of depression and AD may be crucial in exploring new pharmacological treatments for this condition. The present study investigated the role of the agmatinergic system in β-amyloid (Aββ1-42) peptide-induced depression using forced swim test (FST) in mice. Following the 28th days of its administration, Aβ1-42 peptide produced depression-like behavior in mice as evidenced by increased immobility time in FST and increased expression of pro-inflammatory cytokines like IL-6 and TNF-α compared to the control animals. The Aβ1-42 peptide-induced depression and neuroinflammatory markers were significantly inhibited by agmatine -, moxonidine, 2-BFI and l-arginine by once-daily administration during day 8-27 of the protocol. The antidepressant-like effect of agmatine in Aβ1-42 peptide in mice was potentiated by imidazoline receptor I1 agonist, moxonidine and imidazoline receptor I2 agonist 2-BFI at their sub-effective doses. On the other hand, it was completely blocked by imidazoline receptor I1 antagonist, efaroxan and imidazoline receptor I2 antagonist, idazoxan Also, agmatine levels were significantly reduced in brain samples of β-amyloid injected mice as compared to the control animals. In conclusion, the present study suggests the importance of endogenous agmatinergic system and imidazoline receptors system in β-amyloid induced a depressive-like behavior in mice. The data projects agmatine as a potential therapeutic target for the AD-associated depression and comorbidities.
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Affiliation(s)
- Nandkishor Kotagale
- Division of Neuroscience, Department of Pharmacology, Smt. Kishoritai Bhoyar College of Pharmacy, New Kamptee, Nagpur, Maharashtra 441 002, India; Government College of Pharmacy, Amravati, Maharashtra 444 604, India
| | - Rupali Deshmukh
- Division of Neuroscience, Department of Pharmacology, Smt. Kishoritai Bhoyar College of Pharmacy, New Kamptee, Nagpur, Maharashtra 441 002, India
| | - Madhura Dixit
- Division of Neuroscience, Department of Pharmacology, Smt. Kishoritai Bhoyar College of Pharmacy, New Kamptee, Nagpur, Maharashtra 441 002, India
| | - Rajshree Fating
- Division of Neuroscience, Department of Pharmacology, Smt. Kishoritai Bhoyar College of Pharmacy, New Kamptee, Nagpur, Maharashtra 441 002, India
| | - Milind Umekar
- Division of Neuroscience, Department of Pharmacology, Smt. Kishoritai Bhoyar College of Pharmacy, New Kamptee, Nagpur, Maharashtra 441 002, India
| | - Brijesh Taksande
- Division of Neuroscience, Department of Pharmacology, Smt. Kishoritai Bhoyar College of Pharmacy, New Kamptee, Nagpur, Maharashtra 441 002, India.
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25
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Chimthanawala N, Patil S, Agrawal R, Kotagale NR, Umekar MJ, Taksande BG. Inhibitory influence of agmatine in ethanol withdrawal-induced depression in rats: Behavioral and neurochemical evidence. Alcohol 2020; 83:67-74. [PMID: 31520686 DOI: 10.1016/j.alcohol.2019.09.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2019] [Revised: 08/20/2019] [Accepted: 09/05/2019] [Indexed: 01/06/2023]
Abstract
Although ethanol withdrawal depression is one of the prominent reasons for ethanol consumption reinstatement and ethanol dependence, its neurochemical basis is not clearly understood. The present study investigated the role of the agmatinergic system in ethanol withdrawal-induced depression using the forced swim test (FST) in rats. Chronic exposure of animals to ethanol for 21 days and its abrupt withdrawal produced depression-like behavior, as evidenced by increased immobility time in the FST, compared to the pair-fed control animals. The ethanol withdrawal-induced depression was significantly attenuated by agmatine (20-40 μg/rat, i.c.v. [intracerebroventricularly]), moxonidine (50 μg/rat, i.c.v.), 2-BFI (20 μg/rat, i.c.v.), L-arginine (80 μg/rat, i.c.v.), amino-guanidine (25 μg/rat, i.c.v.), and arcaine (50 μg/rat, i.c.v.) by their once-daily administration during the withdrawal phase (Days 21, 22, and 23). The antidepressant effect of agmatine in ethanol-withdrawn rats was potentiated by the imidazoline receptor I1 agonist moxonidine (25 μg/rat, i.c.v.) and the imidazoline receptor I2 agonist, 2-BFI (10 μg/rat, i.c.v.) at their sub-effective doses. On the other hand, it was completely blocked by the imidazoline receptor I1 antagonist, efaroxan (10 μg/rat, i.c.v.) and the imidazoline receptor I2 antagonist, idazoxan (4 μg/rat, i.c.v.). In addition, agmatine levels were significantly reduced in brain samples of ethanol-withdrawn rats as compared to the pair-fed control animals. In conclusion, the present study suggests the importance of the endogenous agmatinergic system and the imidazoline receptors system in ethanol withdrawal-induced depression. The data project agmatine as a potential therapeutic target for the alcohol withdrawal-induced depression.
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Affiliation(s)
- Niyamat Chimthanawala
- Division of Neuroscience, Department of Pharmacology, Smt. Kishoritai Bhoyar, College of Pharmacy, New Kamptee, Nagpur (M.S.), 441 002, India
| | - Shruti Patil
- Division of Neuroscience, Department of Pharmacology, Smt. Kishoritai Bhoyar, College of Pharmacy, New Kamptee, Nagpur (M.S.), 441 002, India
| | - Rishabh Agrawal
- Division of Neuroscience, Department of Pharmacology, Smt. Kishoritai Bhoyar, College of Pharmacy, New Kamptee, Nagpur (M.S.), 441 002, India
| | - Nandkishor R Kotagale
- Division of Neuroscience, Department of Pharmacology, Smt. Kishoritai Bhoyar, College of Pharmacy, New Kamptee, Nagpur (M.S.), 441 002, India; Government College of Pharmacy, Amravati (M.S.), 444 604, India
| | - Milind J Umekar
- Division of Neuroscience, Department of Pharmacology, Smt. Kishoritai Bhoyar, College of Pharmacy, New Kamptee, Nagpur (M.S.), 441 002, India
| | - Brijesh G Taksande
- Division of Neuroscience, Department of Pharmacology, Smt. Kishoritai Bhoyar, College of Pharmacy, New Kamptee, Nagpur (M.S.), 441 002, India.
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Fraga DB, Costa AP, Olescowicz G, Camargo A, Pazini FL, E Freitas A, Moretti M, S Brocardo P, S Rodrigues AL. Ascorbic acid presents rapid behavioral and hippocampal synaptic plasticity effects. Prog Neuropsychopharmacol Biol Psychiatry 2020; 96:109757. [PMID: 31476335 DOI: 10.1016/j.pnpbp.2019.109757] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/11/2019] [Revised: 08/13/2019] [Accepted: 08/29/2019] [Indexed: 01/08/2023]
Abstract
Growing evidence has suggested that ascorbic acid may exhibit rapid anxiolytic and antidepressant-like effects. In this study the effects of a single administration of ascorbic acid (1 mg/kg, p.o.), ketamine (1 mg/kg, i.p., a fast-acting antidepressant) and fluoxetine (10 mg/kg, p.o., conventional antidepressant) were investigated on: a) behavioral performance in the novelty suppressed feeding (NSF) test; b) hippocampal synaptic protein immunocontent; c) dendritic spine density and morphology in the dorsal and ventral dentate gyrus (DG) of the hippocampus and d) hippocampal dendritic arborization. Ascorbic acid or ketamine, but not fluoxetine, decreased the latency to feed in the NSF test in mice. This effect was accompanied by increased p70S6K (Thr389) phosphorylation 1 h after ascorbic acid or ketamine treatment, although only ascorbic acid increased synapsin I immunocontent. Ketamine administration increased the dendritic spine density in the dorsal DG, but none of the treatments affected the maturation of dendritic spines in this region. In addition, both ascorbic acid and ketamine increased the dendritic spine density in the ventral DG, particularly the mature spines. Sholl analysis demonstrated no effect of any treatment on hippocampal dendritic arborization. Altogether, the results provide evidence that the behavioral and synaptic responses observed following ascorbic acid administration might occur via the upregulation of synaptic proteins, dendritic spine density, and maturation in the ventral DG, similar to ketamine. These findings contribute to understand the cellular targets implicated in its antidepressant/anxiolytic behavioral responses and support the notion that ascorbic acid may share with ketamine the ability to increase synaptic function.
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Affiliation(s)
- Daiane B Fraga
- Department of Biochemistry, Center of Biological Sciences, Federal University of Santa Catarina, Florianópolis, SC, Brazil
| | - Ana Paula Costa
- Department of Biochemistry, Center of Biological Sciences, Federal University of Santa Catarina, Florianópolis, SC, Brazil
| | - Gislaine Olescowicz
- Department of Biochemistry, Center of Biological Sciences, Federal University of Santa Catarina, Florianópolis, SC, Brazil
| | - Anderson Camargo
- Department of Biochemistry, Center of Biological Sciences, Federal University of Santa Catarina, Florianópolis, SC, Brazil
| | - Francis L Pazini
- Department of Biochemistry, Center of Biological Sciences, Federal University of Santa Catarina, Florianópolis, SC, Brazil
| | - Andiara E Freitas
- Department of Biochemistry, Center of Biological Sciences, Federal University of Santa Catarina, Florianópolis, SC, Brazil
| | - Morgana Moretti
- Department of Biochemistry, Center of Biological Sciences, Federal University of Santa Catarina, Florianópolis, SC, Brazil
| | - Patricia S Brocardo
- Department of Morphological Sciences, Center of Biological Sciences, Federal University of Santa Catarina, Florianópolis, SC, Brazil
| | - Ana Lúcia S Rodrigues
- Department of Biochemistry, Center of Biological Sciences, Federal University of Santa Catarina, Florianópolis, SC, Brazil.
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Ozden A, Angelos H, Feyza A, Elizabeth W, John P. Altered plasma levels of arginine metabolites in depression. J Psychiatr Res 2020; 120:21-28. [PMID: 31629205 DOI: 10.1016/j.jpsychires.2019.10.004] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/06/2019] [Revised: 09/23/2019] [Accepted: 10/03/2019] [Indexed: 02/07/2023]
Abstract
L-Arginine pathway metabolites appear to play differential roles in the pathogenesis of major depressive disorder (MDD). Studies have revealed an antidepressant and anxiolytic effect of agmatine and putrescine. Possible mechanisms of these effects include inhibition of nitric oxide synthase and N-methyl-D-aspartate receptors. The present study sought to determine whether MDD is associated with altered levels of arginine metabolites and whether these metabolites are associated with depression, anxiety and stress severity. Seventy seven MDD patients 21-65 years of age with a minimum score of 18 on the Hamilton Depression Scale, and 27 age and sex matched healthy controls (HC) were included. Patients with uncontrolled physical diseases, abnormal routine lab tests, other psychiatric diagnoses, or under psychotropic medication were excluded. HC subjects were recruited from the community. Rating instruments included Hamilton Depression and Anxiety Scales, Beck Depression and Anxiety Inventory and Perceived Stress Scale. Fasting blood was drawn between 8:30 and 11:00 a.m. and High Performance Liquid Chromatography (HPLC) was used to measure plasma arginine metabolites. ADMA (Asymmetrical dimethylarginine) and putrescine were significantly lower while SDMA (Symmetric dimethylarginine), agmatine and ornithine were significantly higher in MDD patients (p˂0.05). Depression, anxiety and stress severity were negatively correlated with ADMA and putrescine (p˂0.05). Stress was positively correlated with citrulline, NOHA (N-omega-hydroxy-nor-l-arginine), SDMA, agmatine and ornithine (p˂0.05). Lower putrescine levels predicted depression diagnosis (p = 0.039) and depression severity (p = 0.003). Low ADMA level predicted depression severity as well. Arginine pathway metabolites are associated with the pathophysiology of depression. Putrescine may be a biomarker to predict MDD.
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Affiliation(s)
- Arisoy Ozden
- Department of Psychiatry and Behavioral Neurosciences, Loyola University Stritch School of Medicine, Maywood, IL, USA; Department of Psychiatry, Bolu Abant Izzet Baysal University Medical Faculty, Bolu, Turkey
| | - Halaris Angelos
- Department of Psychiatry and Behavioral Neurosciences, Loyola University Stritch School of Medicine, Maywood, IL, USA.
| | - Aricioglu Feyza
- Department of Psychiatry and Behavioral Neurosciences, Loyola University Stritch School of Medicine, Maywood, IL, USA; Department of Pharmacology, Faculty of Pharmacy and Psychopharmacology Research Unit, Marmara University, Haydarpasa, Istanbul, Turkey
| | - Wild Elizabeth
- Department of Psychiatry and Behavioral Neurosciences, Loyola University Stritch School of Medicine, Maywood, IL, USA; Louisiana State University Health Sciences Center Shreveport, Department of Neurosurgery, USA
| | - Piletz John
- Department of Psychiatry and Behavioral Neurosciences, Loyola University Stritch School of Medicine, Maywood, IL, USA; Department of Biology, Missisipi College, Jackson, Missisipi, USA
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Sahin Ozkartal C, Tuzun E, Kucukali CI, Ulusoy C, Giris M, Aricioglu F. Antidepressant-like effects of agmatine and NOS inhibitors in chronic unpredictable mild stress model of depression in rats: The involvement of NLRP inflammasomes. Brain Res 2019; 1725:146438. [DOI: 10.1016/j.brainres.2019.146438] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2019] [Revised: 08/27/2019] [Accepted: 09/05/2019] [Indexed: 12/15/2022]
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Moretti M, Werle I, da Rosa PB, Neis VB, Platt N, Souza SV, Rodrigues ALS. A single coadministration of subeffective doses of ascorbic acid and ketamine reverses the depressive-like behavior induced by chronic unpredictable stress in mice. Pharmacol Biochem Behav 2019; 187:172800. [DOI: 10.1016/j.pbb.2019.172800] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/05/2019] [Revised: 10/04/2019] [Accepted: 10/10/2019] [Indexed: 01/22/2023]
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da Silva Souza SV, da Rosa PB, Neis VB, Moreira JD, Rodrigues ALS, Moretti M. Effects of cholecalciferol on behavior and production of reactive oxygen species in female mice subjected to corticosterone-induced model of depression. Naunyn Schmiedebergs Arch Pharmacol 2019; 393:111-120. [PMID: 31463580 DOI: 10.1007/s00210-019-01714-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2019] [Accepted: 08/15/2019] [Indexed: 02/06/2023]
Abstract
Major depressive disorder (or depression) is one of the most frequent psychiatric illnesses in the population, with chronic stress being one of the main etiological factors. Studies have shown that cholecalciferol supplementation can lead to attenuation of the depressive state; however, the biochemical mechanisms involved in the relationship between cholecalciferol and depression are not very well known. The objective of this study was to investigate the effects of the administration of cholecalciferol on behavioral parameters (tail suspension test (TST), open field test (OFT), splash test (ST)) and redox state (dichlorofluorescein (DCF)) in adult female Swiss mice subjected to a model of depression induced by chronic corticosterone treatment. Corticosterone (20 mg/kg, p.o.) was administered once a day for 21 days. For investigation of the antidepressant-like effect, cholecalciferol (100 IU/kg) or fluoxetine (10 mg/kg, positive control) was administered p.o. within the last 7 days of corticosterone administration. After the treatments, the behavioral tests and biochemical analyses in the hippocampus and prefrontal cortex of the rodent samples were performed. Animals submitted to repeated corticosterone administration showed a depressive-like behavior, evidenced by a significant increase in the immobility time in the TST, which was significantly reduced by the administration of cholecalciferol or fluoxetine. In addition, the groups treated with cholecalciferol and fluoxetine showed a significant decrease in the production of reactive oxygen species (ROS) in the hippocampus. These results show that cholecalciferol, similar to fluoxetine, has a potential antidepressant-like effect, which may be related to the lower ROS production.
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Affiliation(s)
- Suene Vanessa da Silva Souza
- Graduate Program in Nutrition, Health Sciences Center, Federal University of Santa Catarina, Florianópolis, SC, 88040-900, Brazil
| | - Priscila Batista da Rosa
- Biochemistry Department, Biological Science Center, Federal University of Santa Catarina, Florianópolis, SC, 88040-900, Brazil
| | - Vivian Binder Neis
- Biochemistry Department, Biological Science Center, Federal University of Santa Catarina, Florianópolis, SC, 88040-900, Brazil
| | - Júlia Dubois Moreira
- Graduate Program in Nutrition, Health Sciences Center, Federal University of Santa Catarina, Florianópolis, SC, 88040-900, Brazil
| | - Ana Lúcia S Rodrigues
- Biochemistry Department, Biological Science Center, Federal University of Santa Catarina, Florianópolis, SC, 88040-900, Brazil
| | - Morgana Moretti
- Biochemistry Department, Biological Science Center, Federal University of Santa Catarina, Florianópolis, SC, 88040-900, Brazil.
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Abstract
Selective serotonin reuptake inhibitors are among the most prescribed antidepressants. Fluoxetine is the lead molecule which exerts its therapeutic effects, at least in part, by promoting neuroplasticity through increased brain-derived neurotrophic factor (BDNF)/tropomyosin-related receptor kinase B (TrkB) signalling. It is unclear however, to which extent the neuroplastic effects of fluoxetine are solely mediated by the inhibition of the serotonin transporter (5-HTT). To answer this question, the effects of fluoxetine on neuroplasticity were analysed in both wild type (WT) and 5-Htt knock-out (KO) mice. Using Western blotting and RT-qPCR approaches, we showed that fluoxetine 10 µM activated BDNF/TrkB signalling pathways in both CD1 and C57BL/6J mouse primary cortical neurons. Interestingly, effects on BDNF signalling were observed in primary cortical neurons from both 5-Htt WT and KO mice. In addition, a 3-week in vivo fluoxetine treatment (15 mg/kg/d; i.p.) increased the expression of plasticity genes in brains of both 5-Htt WT and KO mice, and tended to equally enhance hippocampal cell proliferation in both genotypes, without reaching significance. Our results further suggest that fluoxetine-induced neuroplasticity does not solely depend on 5-HTT blockade, but might rely, at least in part, on 5-HTT-independent direct activation of TrkB.
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Sánchez-Vidaña DI, Po KKT, Fung TKH, Chow JKW, Lau WKW, So PK, Lau BWM, Tsang HWH. Lavender essential oil ameliorates depression-like behavior and increases neurogenesis and dendritic complexity in rats. Neurosci Lett 2019; 701:180-192. [PMID: 30825591 DOI: 10.1016/j.neulet.2019.02.042] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2018] [Revised: 02/11/2019] [Accepted: 02/26/2019] [Indexed: 02/05/2023]
Abstract
Depression is a major health issue that causes severe societal economic and health burden. Aromatherapy, a practice that uses essential oils for preventive and therapeutic purposes, represents a promising therapeutic alternative for the alleviation of depressive symptoms. Lavender essential oil (LEO) has been the focus of clinical studies due to its positive effect on mood. An animal model of chronic administration of high dose corticosterone to induce depression- and anxiety-like behavior and reduced neurogenesis was used to explore the biological changes brought by aromatherapy. Twenty-four adult male Sprague Dawley rats were randomly assigned into four groups: Control, corticosterone (Cort) group with high dose of corticosterone, LEO group with daily exposure to LEO by inhalation, and LEO + Cort. At the end of the 14-day treatment period, behavioral tests were carried out. Serum samples were collected 2-3 days after the 14-day period treatment and before perfusion to carry out biochemical analyses to measure BDNF, corticosterone and oxytocin. After perfusion, brains were collected for immunohistochemical analysis to detect BrdU and DCX positive cells in the hippocampus and subventricular zone. Results showed that treatment with LEO ameliorated the depression-like behavior induced by the chronic administration of corticosterone as observed in the LEO + Cort group. Cort treatment reduced the number of BrdU positive cells in the hippocampus and the subventricular zone. Treatment with LEO prevented the corticosterone-induced reduction in the number of BrdU positive cells (LEO + Cort group) demonstrating the neurogenic effect of LEO under high corticosterone conditions. Chronic administration of high dose of corticosterone significantly reduced the dendritic complexity of immature neurons. On the contrary, treatment with LEO increased dendritic complexity of immature neurons under high corticosterone conditions (LEO + Cort group). The improved neurogenesis and dendritic complexity observed in the LEO + Cort group demonstrated a clear restorative effect of LEO under high corticosterone conditions. However, 2-3 days after the treatment, the levels of BDNF were upregulated in the LEO and LEO + Cort groups. Furthermore, the concentration of oxytocin in serum, 2-3 days after the treatment, showed to be upregulated in the LEO group alone. The present study has provided evidence of the biological effect of LEO on neuroplasticity and neurogenesis. Also, this study contributes to the understanding of the mechanism of action of LEO in an animal model where depression- and anxiety-like behavior and reduced neurogenesis were induced by high corticosterone administration.
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Affiliation(s)
| | - Kevin Kai-Ting Po
- Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Hong Kong, China
| | - Timothy Kai-Hang Fung
- Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Hong Kong, China
| | - Jason Ka-Wing Chow
- Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Hong Kong, China
| | - Way Kwok-Wai Lau
- Department of Special Education and Counselling, The Education University of Hong Kong, Hong Kong, China
| | - Pui-Kin So
- University Research Facility in Life Sciences, The Hong Kong Polytechnic University, Hong Kong, China
| | - Benson Wui-Man Lau
- Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Hong Kong, China.
| | - Hector Wing-Hong Tsang
- Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Hong Kong, China
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Watts D, Pfaffenseller B, Wollenhaupt-Aguiar B, Paul Géa L, Cardoso TDA, Kapczinski F. Agmatine as a potential therapeutic intervention in bipolar depression: the preclinical landscape. Expert Opin Ther Targets 2019; 23:327-339. [DOI: 10.1080/14728222.2019.1581764] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Devon Watts
- Neuroscience Graduate Program, McMaster University, Hamilton, ON, Canada
| | - Bianca Pfaffenseller
- Department of Psychiatry and Behavioural Neurosciences, McMaster University, Hamilton, ON, Canada
| | | | - Luiza Paul Géa
- Graduate Program in Biological Sciences, Pharmacology and Therapeutics, Federal University of Rio Grande do Sul, UFRGS, Porto Alegre, Brazil
- Laboratory of Molecular Psychiatry, Hospital de Clínicas de Porto Alegre (HCPA), Porto Alegre, Brazil
| | | | - Flavio Kapczinski
- Neuroscience Graduate Program, McMaster University, Hamilton, ON, Canada
- Department of Psychiatry and Behavioural Neurosciences, McMaster University, Hamilton, ON, Canada
- Graduate Program in Psychiatry and Behavioral Sciences, Federal University of Rio Grande do Sul, UFRGS, Porto Alegre, Brazil
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Wu Q, Song J, Meng D, Chang Q. TPPU, a sEH Inhibitor, Attenuates Corticosterone-Induced PC12 Cell Injury by Modulation of BDNF-TrkB Pathway. J Mol Neurosci 2019; 67:364-372. [PMID: 30644034 DOI: 10.1007/s12031-018-1230-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2018] [Accepted: 11/21/2018] [Indexed: 12/11/2022]
Abstract
High level of corticosterone (CORT) is toxic to neurons and plays an important role in depression-like behavior and chronic stress. Our previous study showed that TPPU, a soluble epoxide hydrolase (sEH) inhibitor (sEHI), induces an antidepressant effect in animal models. However, the underlying mechanism is not clear. In this study, we investigated the protective effect of TPPU on PC12 cells against CORT-induced cytotoxicity and its underlying mechanism. We found that TPPU and the sEH substrate epoxyeicosatrienoic acids (EETs) protected PC12 cells from the CORT-induced injury by increasing cell viability and inhibiting apoptosis. Furthermore, TPPU and EETs also blocked the CORT-mediated downregulation of BDNF. Blocking the BDNF-TrkB pathway by the TrkB inhibitor K252a abolished the protective effect of TPPU. Taken together, our results suggest that sEHI could protect PC12 cells against the CORT-induced cytotoxicity via the BDNF-TrkB signaling pathway.
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Affiliation(s)
- Qiong Wu
- Department of Pathophysiology, Luohe Medical College, Luohe, China
| | - Jingfang Song
- Department of Medicine, Luohe Medical College, Luohe, China
| | - Danxin Meng
- Department of Medicine, Luohe Medical College, Luohe, China
| | - Quanzhong Chang
- Department of Physiology, Luohe Medical College, Luohe, 462000, China.
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35
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Neis VB, Bettio LB, Moretti M, Rosa PB, Olescowicz G, Fraga DB, Gonçalves FM, Freitas AE, Heinrich IA, Lopes MW, Leal RB, Rodrigues ALS. Single administration of agmatine reverses the depressive-like behavior induced by corticosterone in mice: Comparison with ketamine and fluoxetine. Pharmacol Biochem Behav 2018; 173:44-50. [DOI: 10.1016/j.pbb.2018.08.005] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/22/2018] [Revised: 08/11/2018] [Accepted: 08/15/2018] [Indexed: 12/12/2022]
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36
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Tavares MK, dos Reis S, Platt N, Heinrich IA, Wolin IA, Leal RB, Kaster MP, Rodrigues ALS, Freitas AE. Agmatine potentiates neuroprotective effects of subthreshold concentrations of ketamine via mTOR/S6 kinase signaling pathway. Neurochem Int 2018; 118:275-285. [DOI: 10.1016/j.neuint.2018.05.006] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2018] [Revised: 05/08/2018] [Accepted: 05/11/2018] [Indexed: 12/24/2022]
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37
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Sahin Ozkartal C, Aricioglu F, Tuzun E, Kucukali Cİ. Chronic mild stress-induced anhedonia in rats is coupled with the upregulation of inflammasome sensors: a possible involvement of NLRP1. PSYCHIAT CLIN PSYCH 2018. [DOI: 10.1080/24750573.2018.1426694] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
Affiliation(s)
- Ceren Sahin Ozkartal
- Department of Pharmacology and Psychopharmacology Research Unit, School of Pharmacy, Marmara University, Istanbul, Turkey
| | - Feyza Aricioglu
- Department of Pharmacology and Psychopharmacology Research Unit, School of Pharmacy, Marmara University, Istanbul, Turkey
| | - Erdem Tuzun
- Department of Neuroscience, Aziz Sancar Institute for Experimental Medical Research, İstanbul University, Istanbul, Turkey
| | - Cem İsmail Kucukali
- Department of Neuroscience, Aziz Sancar Institute for Experimental Medical Research, İstanbul University, Istanbul, Turkey
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