51
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Liang X, Tang J, Chao FL, Zhang Y, Chen LM, Wang FF, Tan CX, Luo YM, Xiao Q, Zhang L, Qi YQ, Jiang L, Huang CX, Gao Y, Tang Y. Exercise improves depressive symptoms by increasing the number of excitatory synapses in the hippocampus of CUS-Induced depression model rats. Behav Brain Res 2019; 374:112115. [DOI: 10.1016/j.bbr.2019.112115] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2019] [Revised: 07/08/2019] [Accepted: 07/26/2019] [Indexed: 01/28/2023]
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Jiang C, Sakakibara E, Lin WJ, Wang J, Pasinetti GM, Salton SR. Grape-derived polyphenols produce antidepressant effects via VGF- and BDNF-dependent mechanisms. Ann N Y Acad Sci 2019; 1455:196-205. [PMID: 31074515 PMCID: PMC6834858 DOI: 10.1111/nyas.14098] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Revised: 03/12/2019] [Accepted: 03/26/2019] [Indexed: 12/20/2022]
Abstract
Recent studies suggest that bioactive dietary polyphenol preparation (BDPP) and individual polyphenolic compounds ameliorate stress-induced depression-like behaviors, but the underlying molecular mechanisms are incompletely understood. VGF (non-acronymic) in the dorsal hippocampus (dHc) has been shown to play a role in depression-like behaviors and antidepressant efficacy, and the VGF-derived peptide TLQP-62 (named by the N-terminal 4 amino acids and length) infused into dHc has been shown to have antidepressant efficacy that is BDNF-TrkB dependent. Here, we investigated whether BDPP influences VGF expression in the dHc, and whether dHc VGF is required for BDPP antidepressant efficacy. We found that BDPP produced antidepressant-like effects in naive mice and reversed the depression-like behaviors induced by chronic variable stress. In addition, we found that BDPP had no detectable antidepressant efficacy in floxed mice with prior knockdown in the dHc of either VGF or BDNF, achieved by adeno-associated virus-Cre infusion. Our data indicate that dHc VGF and BDNF expression are required for the antidepressant actions of BDPP, and therefore suggest that a VGF(TLQP-62)-BDNF-TrkB autoregulatory feedback loop could play a role in the regulation of BDPP antidepressant efficacy, much as it has been suggested to function in the antidepressant efficacies of ketamine and TLQP-62.
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Affiliation(s)
- Cheng Jiang
- Department of Neuroscience, Icahn School of Sinai, New York, NY 10029, USA
| | - Emmy Sakakibara
- Department of Neuroscience, Icahn School of Sinai, New York, NY 10029, USA
| | - Wei-Jye Lin
- Department of Neuroscience, Icahn School of Sinai, New York, NY 10029, USA
- RNA Biomedical Institute, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, Guangdong, 510120, China
- Guangdong Province Key Laboratory of Brain Function and Disease, Zhongshan Schoofof Medicine, Sun Yat-sen University, 74 Zhongshan 2nd Road, Guangzhou,Guangdong, China
| | - Jun Wang
- Department of Neurology, Icahn School of Sinai, New York, NY 10029, USA
| | | | - Stephen R. Salton
- Department of Neuroscience, Icahn School of Sinai, New York, NY 10029, USA
- Department of Geriatrics, Icahn School of Sinai, New York, NY 10029, USA
- Friedman Brain Institute, Icahn School of Sinai, New York, NY 10029, USA
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d'Angelo M, Castelli V, Catanesi M, Antonosante A, Dominguez-Benot R, Ippoliti R, Benedetti E, Cimini A. PPARγ and Cognitive Performance. Int J Mol Sci 2019; 20:ijms20205068. [PMID: 31614739 PMCID: PMC6834178 DOI: 10.3390/ijms20205068] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Revised: 10/09/2019] [Accepted: 10/10/2019] [Indexed: 02/06/2023] Open
Abstract
Recent findings have led to the discovery of many signaling pathways that link nuclear receptors with human conditions, including mental decline and neurodegenerative diseases. PPARγ agonists have been indicated as neuroprotective agents, supporting synaptic plasticity and neurite outgrowth. For these reasons, many PPARγ ligands have been proposed for the improvement of cognitive performance in different pathological conditions. In this review, the research on this issue is extensively discussed.
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Affiliation(s)
- Michele d'Angelo
- Department of Life, Health and Environmental Sciences, University of L'Aquila, 67100 L'Aquila, Italy
| | - Vanessa Castelli
- Department of Life, Health and Environmental Sciences, University of L'Aquila, 67100 L'Aquila, Italy
| | - Mariano Catanesi
- Department of Life, Health and Environmental Sciences, University of L'Aquila, 67100 L'Aquila, Italy
| | - Andrea Antonosante
- Department of Life, Health and Environmental Sciences, University of L'Aquila, 67100 L'Aquila, Italy
| | - Reyes Dominguez-Benot
- Department of Life, Health and Environmental Sciences, University of L'Aquila, 67100 L'Aquila, Italy
| | - Rodolfo Ippoliti
- Department of Life, Health and Environmental Sciences, University of L'Aquila, 67100 L'Aquila, Italy
| | - Elisabetta Benedetti
- Department of Life, Health and Environmental Sciences, University of L'Aquila, 67100 L'Aquila, Italy
| | - Annamaria Cimini
- Department of Life, Health and Environmental Sciences, University of L'Aquila, 67100 L'Aquila, Italy.
- Sbarro Institute for Cancer Research and Molecular Medicine and Center for Biotechnology, Temple University, Philadelphia, PA 19122, USA.
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Changes in stilbene composition during postharvest ozone treatment of ‘Moscato bianco’ winegrapes. Food Res Int 2019; 123:251-257. [DOI: 10.1016/j.foodres.2019.04.061] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2019] [Revised: 04/17/2019] [Accepted: 04/26/2019] [Indexed: 12/26/2022]
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Demir EA, Ozturk A, Tutuk O, Dogan H, Tumer C. Anticonvulsive and behavior modulating effects of sophoretin and rutoside. Biol Futur 2019; 70:251-259. [PMID: 34554444 DOI: 10.1556/019.70.2019.29] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2018] [Accepted: 08/25/2019] [Indexed: 11/19/2022]
Abstract
INTRODUCTION Seizures are the hallmarks of most types of epilepsies. Behavioral and cognitive impairments coincide with interictal periods even though it is not clear whether these impairments spring out of the seizure itself or accompanying sociopsychological burden of the disease. MATERIALS AND METHODS In this study, we investigated behavioral and cognitive consequences of a single GABA receptor-related seizure in mice, and examined the potential anticonvulsive and behavior-modulating properties of sophoretin (quercetin) and rutoside (rutin). RESULTS The study demonstrated that sophoretin and rutoside, common flavonoids of the human diet, delay the seizure onset and reduce the seizure stage. Moreover, they exerted an antidepressant-like effect, which was independent of the seizure. Neither treatments nor seizure altered recognition and spatial memory performances of the mice. CONCLUSIONS Behavioral or cognitive disturbances that are evident in epileptic patients did not appear following a single seizure. In addition, we suggest that both sophoretin and rutoside successfully alleviate the seizure severity without interfering in the behavioral stability and cognitive performance. Hence, these flavonoids may be of use as adjuncts to the current treatment options.
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Affiliation(s)
- Enver Ahmet Demir
- Department of Physiology, Faculty of Medicine, Hatay Mustafa Kemal University, Hatay, Turkey.
| | - Atakan Ozturk
- Department of Physiology, Faculty of Medicine, Dicle University, Diyarbakir, Turkey
| | - Okan Tutuk
- Department of Physiology, Faculty of Medicine, Hatay Mustafa Kemal University, Hatay, Turkey
| | - Hatice Dogan
- Department of Physiology, Faculty of Medicine, Hatay Mustafa Kemal University, Hatay, Turkey
| | - Cemil Tumer
- Department of Physiology, Faculty of Medicine, Hatay Mustafa Kemal University, Hatay, Turkey
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Hirata T, Otsuka I, Okazaki S, Mouri K, Horai T, Boku S, Takahashi M, Ueno Y, Sora I, Shirakawa O, Hishimoto A. Major depressive disorder-associated SIRT1 locus affects the risk for suicide in women after middle age. Psychiatry Res 2019; 278:141-145. [PMID: 31176830 DOI: 10.1016/j.psychres.2019.06.002] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/26/2019] [Revised: 05/20/2019] [Accepted: 06/01/2019] [Indexed: 01/07/2023]
Abstract
A recent genome-wide association study (GWAS) for major depressive disorder (MDD) in Chinese women identified a single-nucleotide polymorphism (SNP), rs12415800, near the Sirtuin1 (SIRT1) gene as one of the top candidate loci. However, no study has shown a genetic association between SIRT1 and completed suicide, which is one of the most serious outcomes of MDD. In this study, 778 suicide completers and 760 controls in a Japanese population were genotyped for two SNPs in strong linkage disequilibrium (rs12415800 and rs4746720 in 3'UTR). We found significant associations between both SNPs and completed suicide among women aged ≥50 years. Additional analysis using postmortem brain tissues (10 suicide brains and 13 non-suicide brains) revealed the following: while SIRT1 gene expression in the prefrontal cortex did not differ between suicide and non-suicide brains, DNAJC12 gene expression, potentially implicated by the SNPs genotyped here, was significantly decreased in suicide brains (p = 0.003). In conclusion, regarding the genetic association of SIRT1 with MDD that was previously identified in women by the Chinese GWAS, we successfully validated our results using a female suicidal cohort in the same Asian population with the same direction of allelic effect.
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Affiliation(s)
- Takashi Hirata
- Department of Psychiatry, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Ikuo Otsuka
- Department of Psychiatry, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Satoshi Okazaki
- Department of Psychiatry, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Kentaro Mouri
- Department of Psychiatry, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Tadasu Horai
- Department of Psychiatry, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Shuken Boku
- Department of Psychiatry, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Motonori Takahashi
- Division of Legal Medicine, Department of Community Medicine and Social Health Science, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Yasuhiro Ueno
- Division of Legal Medicine, Department of Community Medicine and Social Health Science, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Ichiro Sora
- Department of Psychiatry, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Osamu Shirakawa
- Department of Neuropsychiatry, Kindai University Faculty of Medicine, Osaka, Japan
| | - Akitoyo Hishimoto
- Department of Psychiatry, Kobe University Graduate School of Medicine, Kobe, Japan.
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Nakamichi N, Masuo Y, Kato Y. [Possible Treatment of Neuropsychiatric Disorders by Promotion of Neuronal Differentiation through Organic Cation Transporters]. YAKUGAKU ZASSHI 2019; 139:847-852. [PMID: 31155524 DOI: 10.1248/yakushi.18-00173-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Neurons differentiated from neural stem cells mature to form a neuronal network. Neuronal maturation enables neurotransmission that regulates brain function. Therefore, abnormal neuronal differentiation causes dysfunction in neurotransmission, and is involved in the onset of various neuropsychiatric disorders. Most of the drugs currently available for the treatment of neuropsychiatric disorders act on membrane receptors and reuptake transporters of neurotransmitters, and control neurotransmission. These membrane proteins have a high affinity for a specific neurotransmitter, and are highly expressed in synapses. By contrast, xenobiotic transporters have a relatively lower affinity for neurotransmitters, but widely recognize various organic compounds, and are also expressed in brain neural cells. It has remained largely unknown why such xenobiotic transporters are expressed in neural cells that play a key role in neurotransmission. We have therefore attempted to clarify the physiological roles of organic cation transporters (OCTs) in neural stem cells in order to obtain new insight into the treatment of neuropsychiatric disorders. The carnitine/organic cation transporter OCTN1/SLC22A4 is expressed at much higher levels in neural stem cells compared with other OCTs, and promotes their differentiation into neurons through the uptake of the food-derived hydrophilic antioxidant ergothioneine after oral administration. In this review, we introduce current topics on the physiological/pathophysiological roles of OCTs in neural stem cells, and discuss their possible application to the treatment of neuropsychiatric disorders.
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Affiliation(s)
| | | | - Yukio Kato
- Faculty of Pharmacy, Kanazawa University
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The antidepressant- and anxiolytic-like effects of resveratrol: Involvement of phosphodiesterase-4D inhibition. Neuropharmacology 2019; 153:20-31. [PMID: 31026437 DOI: 10.1016/j.neuropharm.2019.04.022] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2019] [Revised: 04/18/2019] [Accepted: 04/22/2019] [Indexed: 01/27/2023]
Abstract
Resveratrol is a natural non-flavonoid polyphenol found in red wine, which has numerous pharmacological properties including anti-stress and antidepressant-like abilities. However, whether the antidepressant- and anxiolytic-like effects of resveratrol are related to the inhibition of phosphodiesterase 4 (PDE4) and its subtypes remains unknown. The same holds true for the subsequent cAMP-dependent pathway. The first set of studies investigated whether resveratrol exhibited neuroprotective effects against corticosterone-induced cell lesion as well as its underlying mechanism. We found that 100 μM corticosterone induced PDE2A, PDE3B, PDE4A, PDE4D, PDE10 and PDE11 expression in HT-22 cells, which results in significant cell lesion. However, treatment with resveratrol increased cell viability in a dose- and time-dependent manner. These effects seem related to the inhibition of PDE4D, as evidenced by resveratrol dose-dependently decreasing PDE4D expression. In addition, the PKA inhibitor H89 reversed resveratrol's effects on cell viability. Resveratrol prevented corticosterone-induced reduction in cAMP, pVASP(s157), pCREB, and BDNF levels, indicating that cAMP signaling is involved in resveratrol-induced neuroprotective effects. Not to mention, PDE4D knockdown by PDE4D siRNA potentiated the effect of low dose of resveratrol on cAMP, pVASP, pCREB, and BDNF expression, while PDE4D overexpression reversed the effect of high dose of resveratrol on the expression of the above proteins. Finally, the subsequent in vivo data supports the in vitro findings, suggesting that resveratrol-induced antidepressant- and anxiolytic-like effects are mediated by PDE4D. Overall, these findings support the hypothesis that PDE4D-mediated cAMP signaling plays an important role in resveratrol's protective effects on stress-induced depression- and anxiety-like behavior.
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59
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Yang L, Ran Y, Quan Z, Wang R, Yang Q, Jia Q, Zhang H, Li Y, Peng Y, Liang J, Wang H, Nakanishi H, Deng Y, Qing H. Pterostilbene, an active component of the dragon's blood extract, acts as an antidepressant in adult rats. Psychopharmacology (Berl) 2019; 236:1323-1333. [PMID: 30607481 DOI: 10.1007/s00213-018-5138-7] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/13/2018] [Accepted: 11/29/2018] [Indexed: 12/27/2022]
Abstract
BACKGROUND Hippocampal neurogenesis has been widely considered as one of the potential biological mechanisms for the treatment of depression caused by chronic stress. Many natural products have been reported to be beneficial for neurogenesis. OBJECTIVES The present study is designed to investigate the effect of dragon's blood extract (DBE) and its biologically active compound, pterostilbene (PTE), on hippocampal neurogenesis. METHODS The male Sprague-Dawley (SD) rats were used in this study, which were maintained on the normal, DBE and PTE diet groups for 4 weeks before dissection in the normal rat model and behavioral testing in the CUS depression rat model. Meanwhile, DMI-treated rats are subcutaneously injected with DMI (10 mg/kg, i.p.). RESULTS Results revealed that DBE and PTE have the ability to promote hippocampal neurogenesis. DBE and PTE also promoted the proliferation of neural stem cells isolated from the brain of suckling rats. Oral administration of DBE and PTE induced the proliferation, migration, and differentiation of neural progenitor cells (NPCs) in chronic unexpected stressed (CUS) model rats, and improved the behavioral ability and alleviated depress-like symptoms of CUS rats. It was also observed that PTE treatment significantly induced the expression of neurogenesis-related factors, including BDNF, pERK, and pCREB. CONCLUSION Oral administration of PTE could affect neurogenesis and it is likely to be achieved via BDNF/ERK/CREB-associated signaling pathways.
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Affiliation(s)
- Liang Yang
- School of Life Science, Beijing Institute of Technology, Beijing, 100081, People's Republic of China
- College of Life Sciences & Research Center for Resource Peptide Drugs, Shaanxi Engineering & Technological Research Center for Conversation & Utilization of Regional Biological Resources, Yanan University, Yanan, 716000, People's Republic of China
| | - Yuanyuan Ran
- School of Life Science, Beijing Institute of Technology, Beijing, 100081, People's Republic of China
- Central Laboratory, BeijingLuhe Hospital, Capital Medical University, Beijing, 101100, People's Republic of China
| | - Zhenzhen Quan
- School of Life Science, Beijing Institute of Technology, Beijing, 100081, People's Republic of China
| | - Ran Wang
- School of Life Science, Beijing Institute of Technology, Beijing, 100081, People's Republic of China
| | - Qinghu Yang
- School of Life Science, Beijing Institute of Technology, Beijing, 100081, People's Republic of China
- College of Life Sciences & Research Center for Resource Peptide Drugs, Shaanxi Engineering & Technological Research Center for Conversation & Utilization of Regional Biological Resources, Yanan University, Yanan, 716000, People's Republic of China
| | - Qiutian Jia
- School of Life Science, Beijing Institute of Technology, Beijing, 100081, People's Republic of China
| | - Heao Zhang
- School of Life Science, Beijing Institute of Technology, Beijing, 100081, People's Republic of China
| | - Yanhui Li
- School of Life Science, Beijing Institute of Technology, Beijing, 100081, People's Republic of China
| | - Yiheng Peng
- School of Life Science, Beijing Institute of Technology, Beijing, 100081, People's Republic of China
| | - JianHua Liang
- School of Life Science, Beijing Institute of Technology, Beijing, 100081, People's Republic of China
| | - Hui Wang
- Biomedical School, Beijing City University, Beijing, 100094, China
| | - Hiroshi Nakanishi
- Department of Aging Science and Pharmacology, Faculty of Dental Science, Kyushu University, Fukuoka, Japan
| | - Yulin Deng
- School of Life Science, Beijing Institute of Technology, Beijing, 100081, People's Republic of China.
| | - Hong Qing
- School of Life Science, Beijing Institute of Technology, Beijing, 100081, People's Republic of China.
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Kopschina Feltes P, de Vries EFJ, Juarez-Orozco LE, Kurtys E, Dierckx RAJO, Moriguchi-Jeckel CM, Doorduin J. Repeated social defeat induces transient glial activation and brain hypometabolism: A positron emission tomography imaging study. J Cereb Blood Flow Metab 2019; 39:439-453. [PMID: 29271288 PMCID: PMC6399731 DOI: 10.1177/0271678x17747189] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/26/2017] [Revised: 10/25/2017] [Accepted: 11/08/2017] [Indexed: 01/22/2023]
Abstract
Psychosocial stress is a risk factor for the development of depression. Recent evidence suggests that glial activation could contribute to the development of depressive-like behaviour. This study aimed to evaluate in vivo whether repeated social defeat (RSD) induces short- and long-term inflammatory and metabolic alterations in the brain through positron emission tomography (PET). Male Wistar rats ( n = 40) were exposed to RSD by dominant Long-Evans rats on five consecutive days. Behavioural and biochemical alterations were assessed at baseline, day 5/6 and day 24/25 after the RSD protocol. Glial activation (11C-PK11195 PET) and changes in brain metabolism (18F-FDG PET) were evaluated on day 6, 11 and 25 (short-term), and at 3 and 6 months (long-term). Defeated rats showed transient depressive- and anxiety-like behaviour, increased corticosterone and brain IL-1β levels, as well as glial activation and brain hypometabolism in the first month after RSD. During the third- and six-month follow-up, no between-group differences in any investigated parameter were found. Therefore, non-invasive PET imaging demonstrated that RSD induces transient glial activation and reduces brain glucose metabolism in rats. These imaging findings were associated with stress-induced behavioural changes and support the hypothesis that neuroinflammation could be a contributing factor in the development of depression.
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Affiliation(s)
- Paula Kopschina Feltes
- Department of Nuclear Medicine and
Molecular Imaging, University of Groningen, University Medical Center Groningen,
Groningen, the Netherlands
- Biomedical Gerontology, Pontifical
Catholic University of Rio Grande do Sul (PUCRS), Porto Alegre, Brazil
- Brain Institute of Rio Grande do Sul
(BraIns), Pontifical Catholic University of Rio Grande do Sul (PUCRS), Porto Alegre,
Brazil
| | - Erik FJ de Vries
- Department of Nuclear Medicine and
Molecular Imaging, University of Groningen, University Medical Center Groningen,
Groningen, the Netherlands
| | - Luis E Juarez-Orozco
- Department of Nuclear Medicine and
Molecular Imaging, University of Groningen, University Medical Center Groningen,
Groningen, the Netherlands
| | - Ewelina Kurtys
- Department of Nuclear Medicine and
Molecular Imaging, University of Groningen, University Medical Center Groningen,
Groningen, the Netherlands
| | - Rudi AJO Dierckx
- Department of Nuclear Medicine and
Molecular Imaging, University of Groningen, University Medical Center Groningen,
Groningen, the Netherlands
| | - Cristina M Moriguchi-Jeckel
- Biomedical Gerontology, Pontifical
Catholic University of Rio Grande do Sul (PUCRS), Porto Alegre, Brazil
- Brain Institute of Rio Grande do Sul
(BraIns), Pontifical Catholic University of Rio Grande do Sul (PUCRS), Porto Alegre,
Brazil
| | - Janine Doorduin
- Department of Nuclear Medicine and
Molecular Imaging, University of Groningen, University Medical Center Groningen,
Groningen, the Netherlands
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61
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Nieoczym D, Socała K, Gawel K, Esguerra CV, Wyska E, Wlaź P. Anticonvulsant Activity of Pterostilbene in Zebrafish and Mouse Acute Seizure Tests. Neurochem Res 2019; 44:1043-1055. [PMID: 30689162 PMCID: PMC6482291 DOI: 10.1007/s11064-019-02735-2] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2018] [Accepted: 01/19/2019] [Indexed: 12/29/2022]
Abstract
Pterostilbene (PTE), a natural dimethylated analog of resveratrol, possesses numerous health-beneficial properties. The ability of PTE to cross the blood–brain barrier raised the possibility that this compound may modulate central nervous system functions, including seizure activity. The aim of our study was to investigate the activity of PTE in the larval zebrafish pentylenetetrazole (PTZ) seizure assay and three acute seizure tests in mice, i.e., in the maximal electroshock seizure threshold (MEST), 6 Hz-induced psychomotor seizure threshold and intravenous (iv) PTZ tests. Additionally, potential antidepressant activity of PTE was estimated in the forced swim test in mice. The chimney test was used to determine the influence of PTE on motor coordination in mice, while its influence on neuromuscular strength was assessed in the grip strength test in mice. Locomotor activity was determined to verify the results from the forced swim test. PTE revealed an evident anticonvulsant effect both in zebrafish larvae (10 µM; 2 h-incubation) and mice (at doses of 100 and 200 mg/kg, intraperitoneally) but it did not exhibit antidepressant potential in the forced swim test. Furthermore, it did not cause any statistically significant changes in motor coordination, neuromuscular strength and locomotor activity in mice. In conclusion, our present findings demonstrate for the first time the anticonvulsant potential of PTE. The aforementioned results suggest that it might be employed in epilepsy treatment, however, further precise studies are required to verify its activity in other experimental seizure and epilepsy models and its precise mechanism of action should be determined.
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Affiliation(s)
- Dorota Nieoczym
- Department of Animal Physiology, Institute of Biology and Biochemistry, Faculty of Biology and Biotechnology, Maria Curie-Skłodowska University, Akademicka 19, 20-033, Lublin, Poland.
| | - Katarzyna Socała
- Department of Animal Physiology, Institute of Biology and Biochemistry, Faculty of Biology and Biotechnology, Maria Curie-Skłodowska University, Akademicka 19, 20-033, Lublin, Poland
| | - Kinga Gawel
- Chemical Neuroscience Group, Centre for Molecular Medicine Norway, University of Oslo, Gaustadalléen 21, 0349, Oslo, Norway
- Department of Experimental and Clinical Pharmacology, Medical University of Lublin, Jaczewskiego 8b, 20-090, Lublin, Poland
| | - Camila V Esguerra
- Chemical Neuroscience Group, Centre for Molecular Medicine Norway, University of Oslo, Gaustadalléen 21, 0349, Oslo, Norway
| | - Elżbieta Wyska
- Department of Pharmacokinetics and Physical Pharmacy, Collegium Medicum, Jagiellonian University, Kraków, Poland
| | - Piotr Wlaź
- Department of Animal Physiology, Institute of Biology and Biochemistry, Faculty of Biology and Biotechnology, Maria Curie-Skłodowska University, Akademicka 19, 20-033, Lublin, Poland
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Abstract
Wine, and specifically red wine, is a beverage with a great chemical complexity comprising a particular combination of phenolic compounds which are directly associated with its health-promoting properties. Wine polyphenols could induce changes in the composition of intestinal microbiota that would affect the production of physiologically active phenolic metabolites modifying the content and phenolic profile at the systemic level. In addition, in the human population, it seems that different “metabotypes”, or patterns of metabolizing wine polyphenols, exist, which would be reflected in the different biological fluids (i.e., plasma, urine and feces) and tissues of the human body. Moreover, wine polyphenols might change the composition of oral microbiota by an antimicrobial action and/or by inhibition of the adhesion of pathogens to oral cells, thus contributing to the maintenance of oral health. In turn, polyphenols and/or its metabolites could have a direct action on brain function, by positively affecting signaling routes involved in stress-induced neuronal response, as well as by preventing neuroticism-like disorders (i.e., anxiety and depression) through anti-inflammatory and epigenetic mechanisms. All of this would condition the positive effects on health derived from moderate wine consumption. This paper reviews all these topics, which are directly related with the effects of wine polyphenols at both digestive and brain level. Further progresses expected in the coming years in these fields are also discussed.
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63
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Xiang D, Wang H, Sun S, Yao L, Li R, Zong X, Wang G, Liu Z. GRP Receptor Regulates Depression Behavior via Interaction With 5-HT2a Receptor. Front Psychiatry 2019; 10:1020. [PMID: 32047449 PMCID: PMC6997338 DOI: 10.3389/fpsyt.2019.01020] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/08/2019] [Accepted: 12/23/2019] [Indexed: 12/31/2022] Open
Abstract
OBJECTIVE Accumulating evidences indicate that gastrin-releasing peptide receptor (GRPR) may contribute to the pathophysiology of depression. However, the mechanism of the involvement of GRPR in the progression of depression remains unclear. Here, we showed the extent to which stress and antidepressant treatment impact GRPR expression, and explored the interactions between 5-HT2a receptor (5-HT2aR) and GRPR at the cellular level. METHODS The rat depression models were created with chronic unpredictable mild stress (CUMS). Then, these rats were treated with fluoxetine for 4 weeks after CUMS. We measured body weight and performed behavioral tests to determine the effects of stress and fluoxetine on depressive-like behaviors. Real-time PCR and western blotting were used to measure the mRNA and protein expression levels of GRPR in the hypothalamus. Then, Flag-tagged protein (pcmv-Flag-5HT2aR) and Myc-tagged protein (pcmv-Myc-GRPR) expression vectors were constructed, identified, and transfected into human embryo kidney 293 (HEK293) cells. The interaction between 5-HT2aR and GRPR was detected by coimmunoprecipitation and double-label immunofluorescence. RESULTS The rats subjected to 4 weeks of CUMS showed depressive-like behaviors, including decreased body weight, sucrose preference, and distance traveled, rearing frequency and velocity in the open field test and increased immobility time in the forced swimming test. Fluoxetine treatment reversed CUMS-induced depressive-like behavior. The mRNA and protein expression of GRPR in the hypothalamus was significantly increased after 4 weeks CUMS exposure, and treatment with fluoxetine reversed these changes. Coimmunoprecipitation showed that 5-HT2aR and GRPR combine with each other in vitro. Immunofluorescence revealed that the 5-HT2aR and GRPR were colocalization in both the cell membrane and cytoplasm. CONCLUSION Our study enhances the understanding of the involvement of GRPR in depression. This study also provides in vitro experimental evidence of the interaction between 5-HT2aR and GRPR, which may play an important role in the pathogenesis of depression.
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Affiliation(s)
- Dan Xiang
- Department of Psychiatry, Renmin Hospital of Wuhan University, Wuhan, China
| | - Huiling Wang
- Department of Psychiatry, Renmin Hospital of Wuhan University, Wuhan, China
| | - Siqi Sun
- Department of Psychiatry, Renmin Hospital of Wuhan University, Wuhan, China
| | - Lihua Yao
- Department of Psychiatry, Renmin Hospital of Wuhan University, Wuhan, China
| | - Ruiting Li
- Department of Psychiatry, Renmin Hospital of Wuhan University, Wuhan, China
| | - Xiaofen Zong
- Department of Psychiatry, Renmin Hospital of Wuhan University, Wuhan, China
| | - Gaohua Wang
- Department of Psychiatry, Renmin Hospital of Wuhan University, Wuhan, China
| | - Zhongchun Liu
- Department of Psychiatry, Renmin Hospital of Wuhan University, Wuhan, China
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Pezzuto JM. Resveratrol: Twenty Years of Growth, Development and Controversy. Biomol Ther (Seoul) 2019; 27:1-14. [PMID: 30332889 PMCID: PMC6319551 DOI: 10.4062/biomolther.2018.176] [Citation(s) in RCA: 72] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2018] [Accepted: 09/27/2018] [Indexed: 01/09/2023] Open
Abstract
Resveratrol was first isolated in 1939 by Takaoka from Veratrum grandiflorum O. Loes. Following this discovery, sporadic descriptive reports appeared in the literature. However, spurred by our seminal paper published nearly 60 years later, resveratrol became a household word and the subject of extensive investigation. Now, in addition to appearing in over 20,000 research papers, resveratrol has inspired monographs, conferences, symposia, patents, chemical derivatives, etc. In addition, dietary supplements are marketed under various tradenames. Once resveratrol was brought to the limelight, early research tended to focus on pharmacological activities related to the cardiovascular system, inflammation, and cancer but, over the years, the horizon greatly expanded. Around 130 human clinical trials have been (or are being) conducted with varying results. This may be due to factors such as disparate doses (ca. 5 to 5,000 mg/day) and variable experimental settings. Further, molecular targets are numerous and a dominant mechanism is elusive or nonexistent. In this context, the compound is overtly promiscuous. Nonetheless, since the safety profile is pristine, and use as a dietary supplement is prevalent, these features are not viewed as detrimental. Given the ongoing history of resveratrol, it is reasonable to advocate for additional development and further clinical investigation. Topical preparations seem especially promising, as do conditions that can respond to anti-inflammatory action and/or direct exposure, such as colon cancer prevention. Although the ultimate fate of resveratrol remains an open question, thus far, the compound has inspired innovative scientific concepts and enhanced public awareness of preventative health care.
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Affiliation(s)
- John M Pezzuto
- Arnold & Marie Schwartz College of Pharmacy and Health Sciences, Long Island University, Brooklyn, NY 11201, USA
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Novel targets for parkinsonism-depression comorbidity. PROGRESS IN MOLECULAR BIOLOGY AND TRANSLATIONAL SCIENCE 2019; 167:1-24. [DOI: 10.1016/bs.pmbts.2019.06.004] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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Getachew B, Tizabi Y. Both Ketamine and NBQX Attenuate Alcohol-Withdrawal Induced Depression in Male Rats. JOURNAL OF DRUG AND ALCOHOL RESEARCH 2019; 8:236069. [PMID: 31032138 PMCID: PMC6483102 DOI: 10.4303/jdar/236069] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The co-morbidity between heavy drinking and depression can negatively influence successful cessation of alcohol use. Since ketamine, a glutamatergic NMDA receptor antagonist, has shown promise as a quick-acting antidepressant, we studied its effects specifically on alcohol withdrawal-induced depression. We also evaluated the effects of NBQX an AMPA/kainate receptor antagonist, because some of the effects of ketamine are proposed to be indirectly mediated through these receptors. Adult male Wistar rats were exposed daily to ethanol via inhalation chambers 4 h/day for 7 days (blood alcohol concentration=160 mg%), followed by daily intraperitoneal injections of ketamine (2.5 mg/kg), NBQX (5mg/kg), alone or in combination. Eighteen hours later, open field locomotor activity (OFLA) followed by forced swim test (FST) were performed. The animals were sacrificed 2 h later for evaluation of brain-derived neurotrophic factor (BDNF) in the hippocampus. Alcohol withdrawal did not affect OFLA, but caused an increase in immobility in FST, suggesting induction of "depressive-like" helplessness. Both ketamine and NBQX normalized the swimming score in FST. The combination of the two drugs, however, cancelled each other's effect. Parallel to these behavioral observations, both ketamine and NBQX normalized the reduction in hippocampal BDNF caused by alcohol withdrawal. Here also, the combination of the two drugs cancelled each other's effect. These results suggest that either NMDA or AMPA/kainate receptor antagonists, acting at least partially through hippocampal BDNF, may be of therapeutic potential in alcohol use disorder.
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Affiliation(s)
- Bruk Getachew
- Department of Pharmacology, Howard University College of Medicine, Washington, DC, USA
| | - Yousef Tizabi
- Department of Pharmacology, Howard University College of Medicine, Washington, DC, USA
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Adalat M, Khalili M, Ayromlou H, Haririan S, Fazljou SMB, Rezaeizadeh H, Safari AA, Zargaran A. Antidepressant Effects of a Persian Medicine Remedy on Multiple Sclerosis Patients: A Double-Blinded Randomized Clinical Trial. Galen Med J 2019; 8:e1212. [PMID: 34466472 PMCID: PMC8343653 DOI: 10.31661/gmj.v8i0.1212] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2018] [Revised: 08/11/2018] [Accepted: 09/03/2018] [Indexed: 10/26/2022] Open
Abstract
Background Multiple sclerosis (MS), an inflammatory neurodegenerative disease of the central nervous system, is accompanied by some psychiatric disorders, one prominent example of which is depression. The aim of this study was to investigate the effects of a Persian herbal medicine treatment that contains Crocus sativus, Hypericum perforatum, Cinnamon verum, and Vitis vinifera on fatigue and sleep disorders in MS patients. Materials and Methods A Persian medicine remedy containing C.sativus, H.perforatum, C.verum, and V.vinifera was tested for its ability to improve the symptoms of depression in MS patients. This randomized double-blind clinical study was performed among 52 patients with MS who were allocated to their respective research groups through blocked randomization. The patients were treated for 4 weeks with either the drug or the placebo. To quantify the symptoms of depression, Beck depression inventory (BDI) was used. Results Forty-six patients completed the study. In the course of the study, as the primary outcome, BDI decreased in the drug group (p =0.000) and the placebo group (p =0.001) significantly, but the rate of change in the drug group was significantly higher than in the placebo group (-13.9 ± 8.6 vs. -3.9 ± 4.3, p =0.000). While analyzing time and treatment effect for BDI, significant decreases in BDI were observed for the drug group, but not in the placebo group (p = 0.001). Conclusion The present study suggests that Persian medicine remedy treatment in combination with chemical drugs may improve depression symptoms in MS patients. More investigations are needed to discover the exact mechanisms and processes involved.
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Affiliation(s)
- Maryam Adalat
- Department of Traditional Medicine, School of Traditional Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mohammad Khalili
- Multiple Sclerosis Research Center, Neuroscience Institute, Tehran University of Medical Sciences, Tehran, Iran
- Neurosciences Research Center; Tabriz University of Medical Sciences, Tabriz, Iran
- Correspondence to: Mohammad Khalili, PhD, Multiple Sclerosis Research Center, Tehran University of Medical Sciences, Tehran, Iran Telephone Number: +98216312374 Email Address:
| | - Hormoz Ayromlou
- Neurosciences Research Center; Tabriz University of Medical Sciences, Tabriz, Iran
- Department of Neurology, Tabriz University of Medical Sciences, Tabriz, Iran
| | | | | | - Hossein Rezaeizadeh
- Department of Traditional Medicine, School of Persian Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Ali Akbar Safari
- Department of Traditional Pharmacy, School of Persian Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Arman Zargaran
- Department of Traditional Pharmacy, School of Persian Medicine, Tehran University of Medical Sciences, Tehran, Iran
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Qi X, Xu H, Wang L, Zhang Z. Comparison of Therapeutic Effects of TREK1 Blockers and Fluoxetine on Chronic Unpredicted Mild Stress Sensitive Rats. ACS Chem Neurosci 2018; 9:2824-2831. [PMID: 29952548 DOI: 10.1021/acschemneuro.8b00225] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
The animal model for depressive behavior due to chronic unpredicted mild stress (CUMS) is commonly used to evaluate antidepressant treatments. The CUMS model has faced some criticism because of the heterogeneity of behavioral effects. Spadin and SID1900 are TREK1 blockers with a quick antidepressant effect. However, to date, their effectiveness and the long-term therapeutic mechanisms are not known. We hypothesize that early intervention with TREK1 blockers can fully reverse depressive-like behaviors, that the chronic administration of TREK1 blockers has a more pronounced effect than the SSRI fluoxetine, and that its long-term therapeutic effects may be mediated by improvement of impaired neurogenesis. Furthermore, we optimized the use of the CUMS model for increased homogeneity by screening the rats after the CUMS induction procedure. Depressive-like behavior was assessed by a forced swimming test, sucrose preference, and open field tests. To evaluate neurogenesis, cell proliferation and newly generated cell apoptosis were measured in the hippocampal dentate gyrus. Of 32 rats that underwent the CUMS procedure, 26 rats that exhibited depressive-like behaviors were grouped as CUMS sensitive rats (CUMSS), while six that did not were grouped as CUMS resistant ones (CUMSR). The CUMSR rats exhibited minor neurogenesis impairments, while the CUMSS rats had a more pronounced effect. Treatment with TREK1 blockers could reverse depressive-like behaviors at least 1 week earlier than that of fluoxetine. Chronic administration of both the TREK1 blockers and fluoxetine could restore neurogenesis impairments. This study underlines the importance of model validation by determination of CUMS sensitivity. The TREK1 blockers were found to have an effect that was more rapid and more pronounced than that of fluoxetine. Therapeutic benefits after chronic administration were associated with a restoration of impaired neurogenesis.
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Affiliation(s)
- Xinyang Qi
- Department of Neurology, Affiliated ZhongDa Hospital, Neuropsychiatric Institute, School of Medicine, Southeast University, Nanjing, Jiangsu 210009, China
| | - Hua Xu
- Department of Neurology, Affiliated ZhongDa Hospital, Neuropsychiatric Institute, School of Medicine, Southeast University, Nanjing, Jiangsu 210009, China
| | - Liping Wang
- Shenzhen Key Lab of Neuropsychiatric Modulation and Collaborative Innovation Center for Brain Science, CAS Center for Excellence in Brain Science and Intelligence Technology, Brain Cognition and Brain Disease Institute (BCBDI) for Collaboration Research of SIAT at CAS, and McGovern Institute at MIT, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Zhijun Zhang
- Department of Neurology, Affiliated ZhongDa Hospital, Neuropsychiatric Institute, School of Medicine, Southeast University, Nanjing, Jiangsu 210009, China
- Shenzhen Key Lab of Neuropsychiatric Modulation and Collaborative Innovation Center for Brain Science, CAS Center for Excellence in Brain Science and Intelligence Technology, Brain Cognition and Brain Disease Institute (BCBDI) for Collaboration Research of SIAT at CAS, and McGovern Institute at MIT, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
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69
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Østergaard L, Jørgensen MB, Knudsen GM. Low on energy? An energy supply-demand perspective on stress and depression. Neurosci Biobehav Rev 2018; 94:248-270. [DOI: 10.1016/j.neubiorev.2018.08.007] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2018] [Revised: 07/09/2018] [Accepted: 08/13/2018] [Indexed: 12/17/2022]
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Li W, Zhu Y, Liu X, Hou J, Fang J, Shen J, Ma X. Phencynonate mediates antidepressant response by activating sirtuin 6-SOD2/Prdx6 pathway. Biochem Biophys Res Commun 2018; 505:898-904. [PMID: 30309657 DOI: 10.1016/j.bbrc.2018.10.017] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2018] [Accepted: 10/04/2018] [Indexed: 01/03/2023]
Abstract
Major depression is a highly prevalent disorder with no effective medical treatments available. Recent evidence has shown that sirtuins (SIRTs) signaling has been implicated to play an essential in the pathogenesis of depression. Here in this study, we aimed to investigate the potential role of the phencynonate hydrochloride (PHH) in rat models of chronic unpredictable mild stress (CUMS)-induced depression. SIRT6 expression was up-regulated by PHH via increasing NAD+/NADH ratio in the prefrontal cortex. PHH was able to suppress CUMS-induced oxidative stress and enhance the antioxidant capacity and antioxidant proteins activity, such as superoxide dismutase 2 (SOD2) and peroxiredoxin 6 (Prdx6). In vitro study, we found that SIRT6 directly bound to SOD2 and Prdx6 and deacetylated them at Lys68/122 and Lys63/209, which were acetylated by p300/CBP-associated factor (PCAF). Finally, we showed that PHH ameliorated CUMS-induced depressive phenotypes by up-regulating SIRT6 deacetylation activity. In summary, PHH-mediating SIRT6 pathway is required for antidepressant response and PHH can be used as a novel therapeutic to effectively treat depression.
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Affiliation(s)
- Wang Li
- Department of Molecular Neurobiology, Shaanxi Normal University, Xi'an, PR China
| | - Yingqi Zhu
- Department of Molecular Neurobiology, Shaanxi Normal University, Xi'an, PR China
| | - Xin Liu
- Department of Molecular Neurobiology, Shaanxi Normal University, Xi'an, PR China
| | - Jun Hou
- Department of Molecular Neurobiology, Shaanxi Normal University, Xi'an, PR China
| | - Jie Fang
- Department of Molecular Neurobiology, Shaanxi Normal University, Xi'an, PR China
| | - Jingxuan Shen
- Department of Molecular Neurobiology, Shaanxi Normal University, Xi'an, PR China
| | - Xinming Ma
- Department of Molecular Neurobiology, Shaanxi Normal University, Xi'an, PR China.
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Reddy RG, Dachavaram SS, Reddy BR, Kalyankar KB, Rajan WD, Kootar S, Kumar A, Das S, Chakravarty S. Fellutamide B Synthetic Path Intermediates with in Vitro Neuroactive Function Shows Mood-Elevating Effect in Stress-Induced Zebrafish Model. ACS OMEGA 2018; 3:10534-10544. [PMID: 30320245 PMCID: PMC6173481 DOI: 10.1021/acsomega.8b00456] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/12/2018] [Accepted: 08/17/2018] [Indexed: 06/08/2023]
Abstract
Fellutamide B is reported to have cytotoxic and proteasome inhibitory activity. Interestingly, fellutamide B and its simplified analogues have also been observed for the neurotrophic activity by stimulating the synthesis and secretion of neurotrophins. Owing to the interesting structural and potent neurotrophic role of fellutamide B (a lipopeptide aldehyde), we have assessed the synthetic path intermediates (compounds A-D) of fellutamide B for their neuroactive potential (in vitro and in vivo). We have observed few compounds (comp #A-D) to have potential neurite outgrowth activity in Neuro2a cells with no observable negative effect on the cell viability. In addition, most compounds (comp #A, C, and D) have shown neurogenic activity ex vivo in hippocampal neurosphere culture, with increased acetyl H3 and acetyl H4 induction ability (comp #C). Furthermore, the intermediate product comp #C has shown anxiolytic and antidepressant-like activity in novel tank test and social interaction test, in the chronic unpredictable stress model of zebrafish mood disorder, inducing BDNF gene expression in the telencephalon region of the fish brain. Our results thus demonstrate that the fellutamide B synthetic path intermediates have potential neurotrophic, neurogenic, and mood-elevating effects and thus good prospect to be developed as potential therapeutics to treat psychiatric disorders.
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Affiliation(s)
- R. Gajendra Reddy
- Chemical
Biology and Natural Products Chemistry, CSIR-Indian
Institute of Chemical Technology, Tarnaka, Uppal Road, Hyderabad 500007, India
- Academy
of Scientific and Innovative Research (AcSIR), Chennai 600113, India
| | - Soma Shekar Dachavaram
- Chemical
Biology and Natural Products Chemistry, CSIR-Indian
Institute of Chemical Technology, Tarnaka, Uppal Road, Hyderabad 500007, India
| | - B. Raghunath Reddy
- Chemical
Biology and Natural Products Chemistry, CSIR-Indian
Institute of Chemical Technology, Tarnaka, Uppal Road, Hyderabad 500007, India
- Academy
of Scientific and Innovative Research (AcSIR), Chennai 600113, India
| | - Kondbarao Balasaheb Kalyankar
- Chemical
Biology and Natural Products Chemistry, CSIR-Indian
Institute of Chemical Technology, Tarnaka, Uppal Road, Hyderabad 500007, India
- Academy
of Scientific and Innovative Research (AcSIR), Chennai 600113, India
| | - Wenson D. Rajan
- CSIR-Centre
for Cellular and Molecular Biology, Habsiguda, Uppal Road, Hyderabad 500007, India
| | - Scherazad Kootar
- CSIR-Centre
for Cellular and Molecular Biology, Habsiguda, Uppal Road, Hyderabad 500007, India
| | - Arvind Kumar
- CSIR-Centre
for Cellular and Molecular Biology, Habsiguda, Uppal Road, Hyderabad 500007, India
- Academy
of Scientific and Innovative Research (AcSIR), Chennai 600113, India
| | - Saibal Das
- Chemical
Biology and Natural Products Chemistry, CSIR-Indian
Institute of Chemical Technology, Tarnaka, Uppal Road, Hyderabad 500007, India
- Academy
of Scientific and Innovative Research (AcSIR), Chennai 600113, India
| | - Sumana Chakravarty
- Chemical
Biology and Natural Products Chemistry, CSIR-Indian
Institute of Chemical Technology, Tarnaka, Uppal Road, Hyderabad 500007, India
- Academy
of Scientific and Innovative Research (AcSIR), Chennai 600113, India
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McGrory CL, Ryan KM, Kolshus E, Finnegan M, McLoughlin DM. Peripheral blood SIRT1 mRNA levels in depression and treatment with electroconvulsive therapy. Eur Neuropsychopharmacol 2018; 28:1015-1023. [PMID: 30017261 DOI: 10.1016/j.euroneuro.2018.06.007] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/07/2018] [Revised: 05/27/2018] [Accepted: 06/25/2018] [Indexed: 01/19/2023]
Abstract
Sirtuins are a family of nicotinamide adenine dinucleotide (NAD+) dependent enzymes that regulate cellular functions through deacetylation of protein targets. They have roles in both the periphery and central nervous system and have been implicated in depression biology. A recent genome-wide association study has identified a locus for major depression in the Sirtuin1 gene (SIRT1) and lower blood levels of SIRT1 mRNA in patients with depression have also been observed in two studies. To our knowledge, no studies have examined the effect of treatment on SIRT1 levels in patients with depression. We therefore examined SIRT1 mRNA levels in a well characterised group of patients with depression, compared to healthy controls, and characterised the effects of a course of electroconvulsive therapy (ECT) on peripheral blood SIRT1 mRNA. Depressed patients (n = 91) were matched to healthy controls (n = 85) on the basis of age and sex. In line with previous studies, blood SIRT1 mRNA levels were lower in depressed patients in comparison to controls (p = 0.005). However, ECT had no effect on SIRT1 levels (p = 0.67). There was no relationship between baseline pre-ECT SIRT1 levels and depression severity, change in mood scores, suicidality, depression polarity, presence of psychosis, or response to treatment. There was a trend for a negative association between an increase in SIRT1 mRNA and a decrease in HAM-D24 scores in ECT responders and remitters. These results indicate that reduced peripheral blood SIRT1 mRNA could be a trait feature of depression.
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Affiliation(s)
- Claire L McGrory
- Trinity College Institute of Neuroscience, Trinity College Dublin, Dublin 2, Ireland; Department of Psychiatry, Trinity College Dublin, St Patrick's University Hospital, Dublin 8, Ireland
| | - Karen M Ryan
- Trinity College Institute of Neuroscience, Trinity College Dublin, Dublin 2, Ireland; Department of Psychiatry, Trinity College Dublin, St Patrick's University Hospital, Dublin 8, Ireland
| | - Erik Kolshus
- Trinity College Institute of Neuroscience, Trinity College Dublin, Dublin 2, Ireland; Department of Psychiatry, Trinity College Dublin, St Patrick's University Hospital, Dublin 8, Ireland
| | - Martha Finnegan
- Trinity College Institute of Neuroscience, Trinity College Dublin, Dublin 2, Ireland; Department of Psychiatry, Trinity College Dublin, St Patrick's University Hospital, Dublin 8, Ireland
| | - Declan M McLoughlin
- Trinity College Institute of Neuroscience, Trinity College Dublin, Dublin 2, Ireland; Department of Psychiatry, Trinity College Dublin, St Patrick's University Hospital, Dublin 8, Ireland.
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Moore A, Beidler J, Hong MY. Resveratrol and Depression in Animal Models: A Systematic Review of the Biological Mechanisms. Molecules 2018; 23:E2197. [PMID: 30200269 PMCID: PMC6225181 DOI: 10.3390/molecules23092197] [Citation(s) in RCA: 79] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2018] [Revised: 08/25/2018] [Accepted: 08/28/2018] [Indexed: 12/20/2022] Open
Abstract
Depression is currently treated by pharmacotherapies that can elicit debilitating side effects for patients. Novel treatment options with limited side effects are currently being researched. Resveratrol is a polyphenol and phytoalexin found in the skins of grapes, red wine, Japanese knotweed, and peanuts. It has been studied extensively for its antioxidant and anti-inflammatory properties. Resveratrol has also gained attention for its neuroprotective properties. The aim of the review was to examine the mechanisms by which resveratrol reduces depressive behaviors in animal models. In total, 22 studies met the established criteria for final review. Behavioral aspects of depression were investigated using validated measures such as the forced swimming test, tail suspension test, sucrose preference test, and open field test. While many physical measures were taken, three main biological mechanisms were explored: Regulation of the hypothalamic⁻pituitary⁻adrenal axis; decreased inflammation; and increased Brain-Derived Neurotrophic Factor and neurogenesis. Based on these findings, resveratrol may be deemed an effective treatment for depression in animal models at doses between 10⁻80 mg/kg/day, although higher doses had the most significant effects. Future studies should examine the effects of resveratrol on depression in humans to determine the eligibility of resveratrol as a natural antidepressant with less severe side effects.
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Affiliation(s)
- Alyssa Moore
- School of Exercise and Nutritional Sciences, San Diego State University, San Diego, CA 92182, USA.
| | - Joshua Beidler
- School of Exercise and Nutritional Sciences, San Diego State University, San Diego, CA 92182, USA.
| | - Mee Young Hong
- School of Exercise and Nutritional Sciences, San Diego State University, San Diego, CA 92182, USA.
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Genty J, Tetsi Nomigni M, Anton F, Hanesch U. The combination of postnatal maternal separation and social stress in young adulthood does not lead to enhanced inflammatory pain sensitivity and depression-related behavior in rats. PLoS One 2018; 13:e0202599. [PMID: 30142161 PMCID: PMC6108470 DOI: 10.1371/journal.pone.0202599] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2018] [Accepted: 07/19/2018] [Indexed: 11/19/2022] Open
Abstract
The cumulative and match/mismatch hypotheses of stress are still under discussion regarding the effects of early life stress (ELS) on the vulnerability or resilience to psychopathology. In this context, an additional stress in later life (second hit) often leads to stress-related disorders that frequently include comorbid pain states. We previously observed that maternal separation (MS), a model of ELS, reduces vulnerability to neuropathic and inflammatory pain in rats. In the present study, we investigated the effects of an additional later stressor on the vulnerability to inflammatory pain. Sprague Dawley pups were divided into 4 groups: controls (CON, no stress), MS, social stress (SS) and MS+SS. At young adult age (from 7 to 15 weeks), stress- as well as pain-related parameters were evaluated prior and during 21 days following the induction of paw inflammation with complete Freund's adjuvant (CFA). Finally spinal glutamatergic transmission, immunocompetent cells, pro-inflammatory cytokines and growth factors were examined using qPCR. None of the stress conditions had a significant impact on corticosterone levels and anhedonia. In the forced swim test, MS and SS displayed increased passive coping whereas the combination of both stressors revoked this effect. The different stress conditions had no influence on basal mechanical thresholds and heat sensitivity. At 4 days post-inflammation all stress groups displayed lower mechanical thresholds than CON but the respective values were comparable at 7, 10, and 14 days. Only on day 21, MS rats were more sensitive to mechanical stimulation compared to the other groups. Regarding noxious heat sensitivity, MS+SS animals were significantly less sensitive than CON at 10 and 21 days after CFA-injection. qPCR results were mitigated. Despite the finding that stress conditions differentially affected different players of glutamatergic transmission, astrocyte activity and NGF expression, our biochemical results could not readily be related to the behavioral observations, precluding a congruent conclusion. The present results do neither confirm the cumulative nor corroborate or disprove the match/mismatch hypothesis.
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Affiliation(s)
- Julien Genty
- Research group Stress, Pain and Pain Modulation, Institute for Health and Behavior, University of Luxembourg, Luxembourg, Luxembourg
- * E-mail:
| | - Milène Tetsi Nomigni
- Research group Stress, Pain and Pain Modulation, Institute for Health and Behavior, University of Luxembourg, Luxembourg, Luxembourg
| | - Fernand Anton
- Research group Stress, Pain and Pain Modulation, Institute for Health and Behavior, University of Luxembourg, Luxembourg, Luxembourg
| | - Ulrike Hanesch
- Research group Stress, Pain and Pain Modulation, Institute for Health and Behavior, University of Luxembourg, Luxembourg, Luxembourg
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Pavlidou E, Mantzorou M, Fasoulas A, Tryfonos C, Petridis D, Giaginis C. Wine: An Aspiring Agent in Promoting Longevity and Preventing Chronic Diseases. Diseases 2018; 6:diseases6030073. [PMID: 30096779 PMCID: PMC6165230 DOI: 10.3390/diseases6030073] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2018] [Revised: 08/04/2018] [Accepted: 08/06/2018] [Indexed: 02/07/2023] Open
Abstract
INTRODUCTION Moderate wine consumption is a characteristic of the Mediterranean diet. Studies around the world have shown a beneficial effect of moderate alcohol intake, especially wine, on health. This review aims to critically summarise the most recent studies that investigate the beneficial effects of moderate wine intake on human health. METHODS The PubMed database was comprehensively searched to identify trials published from 2013 to 2018 that investigated the association between moderate wine consumption and health. RESULTS The most recent studies confirm the valuable role of moderate wine consumption, especially red wine, in the prevention and treatment of chronic diseases such as cardiovascular disease, metabolic syndrome, cognitive decline, depression, and cancer. In the meantime, recent studies also highlight the beneficial role of red wine against oxidative stress and in favour of desirable gut bacteria. The beneficial role of red wine has been attributed to its phytochemical compounds, as highlighted by clinical trials, where the effect of red wine has been compared to white wine, non-alcoholic wine, other alcoholic drinks, and water. CONCLUSIONS Moderate wine intake, at 1⁻2 glasses per day as part of the Mediterranean diet, has been positively associated with human health promotion, disease prevention, and disease prognosis.
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Affiliation(s)
- Eleni Pavlidou
- Department of Food Science and Nutrition, University of the Aegean, Myrina, 81400 Lemnos, Greece.
| | - Maria Mantzorou
- Department of Food Science and Nutrition, University of the Aegean, Myrina, 81400 Lemnos, Greece.
| | - Aristeidis Fasoulas
- Department of Food Science and Nutrition, University of the Aegean, Myrina, 81400 Lemnos, Greece.
| | - Christina Tryfonos
- Department of Food Science and Nutrition, University of the Aegean, Myrina, 81400 Lemnos, Greece.
| | - Dimitris Petridis
- Department of Food Technology, Technological Educational Institute of Thessaloniki, 57400 Sindos, Greece.
| | - Constantinos Giaginis
- Department of Food Science and Nutrition, University of the Aegean, Myrina, 81400 Lemnos, Greece.
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SIRT1 Mediates Apelin-13 in Ameliorating Chronic Normobaric Hypoxia-induced Anxiety-like Behavior by Suppressing NF-κB Pathway in Mice Hippocampus. Neuroscience 2018; 381:22-34. [DOI: 10.1016/j.neuroscience.2018.04.013] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2017] [Revised: 04/06/2018] [Accepted: 04/11/2018] [Indexed: 02/06/2023]
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77
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Kanzari A, Bourcier-Lucas C, Freyssin A, Abrous DN, Haddjeri N, Lucas G. Inducing a long-term potentiation in the dentate gyrus is sufficient to produce rapid antidepressant-like effects. Mol Psychiatry 2018; 23:587-596. [PMID: 28485406 DOI: 10.1038/mp.2017.94] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/15/2015] [Revised: 03/10/2017] [Accepted: 03/16/2017] [Indexed: 12/19/2022]
Abstract
Recent hypotheses propose that one prerequisite to obtain a rapid antidepressant (AD) effect would reside in processes of synaptic reinforcement occurring within the dentate gyrus (DG) of the hippocampus independently from neurogenesis. However, to date no relationship has been established between an increased DG synaptic plasticity, and rapid AD-like action. To the best of our knowledge, this study shows for the first time that inducing a long-term potentiation (LTP) within the DG by stimulating the perforant pathway (PP) is sufficient to induce such effects. Thus, Sprague-Dawley rats having undergone a successful LTP displayed a significant reduction of immobility when passed acutely 3 days thereafter in the forced swimming test (FST). Further, in a longitudinal paradigm using the pseudo-depressed Wistar-Kyoto rat strain, LTP elicited a decrease of FST immobility after only 2 days, whereas the AD desipramine was not effective before 16 days. In both models, the influence of LTP was transient, as it was no more observed after 8-9 days. No effects were observed on the locomotor activity or on anxiety-related behavior. Theta-burst stimulation of a brain region anatomically adjacent to the PP remained ineffective in the FST. Immunoreactivity of DG cells for phosphorylated histone H3 and doublecortin were not modified three days after LTP, indicating a lack of effect on both cell proliferation and neurogenesis. Finally, depleting brain serotonin contents reduced the success rate of LTP but did not affect its subsequent AD-like effects. These results confirm the 'plastic DG' theory of rapid AD efficacy. Beyond, they point out stimulations of the entorhinal cortex, from which the PP originates, as putative new approaches in AD research.
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Affiliation(s)
- A Kanzari
- INSERM and Université Claude Bernard Lyon 1, Institut Cellule Souche et Cerveau U846, Lyon, France.,Department of Biology, Université de Tunis El Manar, Tunis, Tunisia
| | - C Bourcier-Lucas
- INSERM and Université de Bordeaux, Neurocentre Magendie U1215, Bordeaux, France
| | - A Freyssin
- INSERM and Université Claude Bernard Lyon 1, Institut Cellule Souche et Cerveau U846, Lyon, France
| | - D N Abrous
- INSERM and Université de Bordeaux, Neurocentre Magendie U1215, Bordeaux, France
| | - N Haddjeri
- INSERM and Université Claude Bernard Lyon 1, Institut Cellule Souche et Cerveau U846, Lyon, France
| | - G Lucas
- INSERM and Université Claude Bernard Lyon 1, Institut Cellule Souche et Cerveau U846, Lyon, France.,INSERM and Université de Bordeaux, Neurocentre Magendie U1215, Bordeaux, France
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Role and Possible Mechanisms of Sirt1 in Depression. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2018; 2018:8596903. [PMID: 29643977 PMCID: PMC5831942 DOI: 10.1155/2018/8596903] [Citation(s) in RCA: 59] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 09/13/2017] [Revised: 11/18/2017] [Accepted: 12/04/2017] [Indexed: 12/28/2022]
Abstract
Depression is a common, devastating illness. Due to complicated causes and limited treatments, depression is still a major problem that plagues the world. Silent information regulator 1 (Sirt1) is a deacetylase at the consumption of NAD+ and is involved in gene silencing, cell cycle, fat and glucose metabolism, cellular oxidative stress, and senescence. Sirt1 has now become a critical therapeutic target for a number of diseases. Recently, a genetic study has received considerable attention for depression and found that Sirt1 is a potential gene target. In this short review article, we attempt to present an up-to-date knowledge of depression and Sirt1 of the sirtuin family, describe the different effects of Sirt1 on depression, and further discuss possible mechanisms of Sirt1 including glial activation, neurogenesis, circadian control, and potential signaling molecules. Thus, it will open a new avenue for clinical treatment of depression.
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2, 3, 5, 4'-Tetrahydroxystilbene-2-O-β-D-glucoside prevention of lipopolysaccharide-induced depressive-like behaviors in mice involves neuroinflammation and oxido-nitrosative stress inhibition. Behav Pharmacol 2018; 28:365-374. [PMID: 28410266 DOI: 10.1097/fbp.0000000000000307] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Although numerous hypotheses have been raised in recent years, the exact mechanisms that promote the development of major depression are largely unknown. Recently, strategies targeting the process of neuroinflammation and oxidative stress in depression have been attracting greater attention. 2, 3, 5, 4'-Tetrahydroxystilbene-2-O-β-D-glucoside (TSG), a compound purified from a traditional Chinese herbal medicine polygonummultiflorum, has been widely reported to inhibit neuroinflammation and oxidative stress. In this context, we investigated whether TSG affects lipopolysaccharide (LPS)-induced depressive-like behaviors in a manner associated with neuroinflammation and oxido-nitrosative stress. Results showed that administration of ICR mice with 0.83 mg/kg of LPS-induced typical depressive-like behaviors in the experiments of the tail-suspension test, the forced-swimming test, and sucrose preference, and these behaviors were prevented by TSG treatment (30 and 60 mg/kg). Further analysis showed that TSG pretreatment at the doses of 30 and 60 mg/kg not only inhibited the production of proinflammatory cytokines induced by LPS, such as interleukin-1β, interleukin-6, and tumor necrosis factor-α, but also prevented the LPS-induced enhancement of oxido-nitrosative stress in mouse hippocampus and prefrontal cortex. The LPS-induced decreases in brain-derived neurotrophic factor levels in the hippocampus and prefrontal cortex were also prevented by TSG treatment. Generally, our data provide evidence to show that TSG could be used to cope with depressive-like symptoms by inhibition of neuroinflammation and oxido-nitrosative stress.
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Ramos-Hryb AB, Cunha MP, Kaster MP, Rodrigues ALS. Natural Polyphenols and Terpenoids for Depression Treatment: Current Status. ACTA ACUST UNITED AC 2018. [DOI: 10.1016/b978-0-444-64068-0.00006-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/09/2023]
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81
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Xia F, Li C, Li M, Liao Y, Liu X, Si J, Chang Q, Pan R. Antidepressant activity of an aqueous extract from okra seeds. RSC Adv 2018; 8:32814-32822. [PMID: 35547711 PMCID: PMC9086372 DOI: 10.1039/c8ra03201g] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2018] [Accepted: 08/20/2018] [Indexed: 11/26/2022] Open
Abstract
Faced with the increasing incidence of major depression disorder (MDD) and the unsatisfactory effect of current drugs, there has been growing attention on the relation between dietary supplements and MDD prevention. In this research, the antidepressant activity of okra seed extract (OSE) was evaluated with behavioral tests including an open field test, tail suspension test (TST), forced-swimming test (FST) and novelty suppressed feeding test (NSFT) for sub-chronic treatment and chronic sleep-interruption (CSI) animal models. The chemical constituents of OSE were identified by using UPLC-DAD/Q-TOF MS. To investigate the mechanism, the prefrontal cortex and hippocampus were collected to determine neurotransmitters, total antioxidant capacity (T-AOC), superoxide dismutase (SOD) and malondialdehyde (MDA). Blood serum was prepared for the determination of corticosterone (CORT) and adrenocorticotropic hormone (ACTH). Results demonstrated that OSE possessed an antidepressant effect in both sub-chronic treatment and CSI animal models through suppressing the hyperactivation of the hypothalamic–pituitary–adrenal (HPA) axis, alleviating oxidative stress and regulating neurotransmitter levels in the hippocampus and frontal cortex. Besides, chemical analysis based on the UPLC-DAD/ESI-Q-TOF MS approach showed that OSE mainly contained catechin and quercetin derivatives. The present study provided a scientific basis for developing okra seeds to be a dietary supplement for MDD prevention. Faced with the increasing incidence of major depression disorder (MDD) and the unsatisfactory effect of current drugs, there has been growing attention on the relation between dietary supplements and MDD prevention.![]()
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Affiliation(s)
- Fangbo Xia
- Institute of Medicinal Plant Development
- Peking Union Medical College
- Chinese Academy of Medical Sciences
- Beijing 100193
- PR China
| | - Chenchen Li
- Institute of Medicinal Plant Development
- Peking Union Medical College
- Chinese Academy of Medical Sciences
- Beijing 100193
- PR China
| | - Mengqiu Li
- Institute of Medicinal Plant Development
- Peking Union Medical College
- Chinese Academy of Medical Sciences
- Beijing 100193
- PR China
| | - Yonghong Liao
- Institute of Medicinal Plant Development
- Peking Union Medical College
- Chinese Academy of Medical Sciences
- Beijing 100193
- PR China
| | - Xinmin Liu
- Institute of Medicinal Plant Development
- Peking Union Medical College
- Chinese Academy of Medical Sciences
- Beijing 100193
- PR China
| | - Jianyong Si
- Institute of Medicinal Plant Development
- Peking Union Medical College
- Chinese Academy of Medical Sciences
- Beijing 100193
- PR China
| | - Qi Chang
- Institute of Medicinal Plant Development
- Peking Union Medical College
- Chinese Academy of Medical Sciences
- Beijing 100193
- PR China
| | - Ruile Pan
- Institute of Medicinal Plant Development
- Peking Union Medical College
- Chinese Academy of Medical Sciences
- Beijing 100193
- PR China
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A maternal high-fat diet during pregnancy and lactation, in addition to a postnatal high-fat diet, leads to metabolic syndrome with spatial learning and memory deficits: beneficial effects of resveratrol. Oncotarget 2017; 8:111998-112013. [PMID: 29340106 PMCID: PMC5762374 DOI: 10.18632/oncotarget.22960] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2017] [Accepted: 11/17/2017] [Indexed: 01/16/2023] Open
Abstract
We tested the hypothesis that high-fat diet consumption during pregnancy, lactation, and/or post weaning, altered the expression of molecular mediators involved in hippocampal synaptic efficacy and impaired spatial learning and memory in adulthood. The beneficial effect of resveratrol was assessed. Dams were fed a rat chow diet or a high-fat diet before mating, during pregnancy, and throughout lactation. Offspring were weaned onto either a rat chow or a high-fat diet. Four experimental groups were generated, namely CC, HC, CH, and HH (maternal chow diet or high-fat diet; postnatal chow diet or high-fat diet). A fifth group fed with HH plus resveratrol (HHR) was generated. Morris water maze test was used to evaluate spatial learning and memory. Blood pressure and IPGTT was measured to assess insulin resistance. Dorsal hippocampal expression of certain biochemical molecules, including sirtuin 1, ERK, PPARγ, adiponectin, and BDNF were measured. Rats in HH group showed impaired spatial memory, which was partly restored by the administration of resveratrol. Rats in HH group also showed impaired glucose tolerance and increased blood pressure, all of which was rescued by resveratrol administration. Additionally, SIRT1, phospho-ERK1/2, and phospho-PPARγ, adiponectin and BDNF were all dysregulated in rats placed in HH group; administration of resveratrol restored the expression and regulation of these molecules. Overall, our results suggest that maternal high-fat diet during pregnancy and/or lactation sensitizes the offspring to the adverse effects of a subsequent high-fat diet on hippocampal function; however, administration of resveratrol is demonstrated to be beneficial in rescuing these effects.
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83
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Chen L, Zhou C, Tan C, Wang F, Gao Y, Huang C, Zhang Y, Jiang L, Tang Y. Stereological Study on the Positive Effect of Running Exercise on the Capillaries in the Hippocampus in a Depression Model. Front Neuroanat 2017; 11:93. [PMID: 29204111 PMCID: PMC5698265 DOI: 10.3389/fnana.2017.00093] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2017] [Accepted: 10/12/2017] [Indexed: 12/31/2022] Open
Abstract
Running exercise is an effective method to improve depressive symptoms when combined with drugs. However, the underlying mechanisms are not fully clear. Cerebral blood flow perfusion in depressed patients is significantly lower in the hippocampus. Physical activity can achieve cerebrovascular benefits. The purpose of this study was to evaluate the impacts of running exercise on capillaries in the hippocampal CA1 and dentate gyrus (DG) regions. The chronic unpredictable stress (CUS) depression model was used in this study. CUS rats were given 4 weeks of running exercise from the fifth week to the eighth week (20 min every day from Monday to Friday each week). The sucrose consumption test was used to measure anhedonia. Furthermore, stereological methods were used to investigate the capillary changes among the control group, CUS/Standard group and CUS/Running group. Sucrose consumption significantly increased in the CUS/Running group. Running exercise has positive effects on the capillaries parameters in the hippocampal CA1 and DG regions, such as the total volume, total length and total surface area. These results demonstrated that capillaries are protected by running exercise in the hippocampal CA1 and DG might be one of the structural bases for the exercise-induced treatment of depression-like behavior. These results suggest that drugs and behavior influence capillaries and may be considered as a new means for depression treatment in the future.
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Affiliation(s)
- Linmu Chen
- Department of Histology and Embryology, Chongqing Medical University, Chongqing, China
| | - Chunni Zhou
- Department of Histology and Embryology, Chongqing Medical University, Chongqing, China
| | - Chuanxue Tan
- Department of Histology and Embryology, Chongqing Medical University, Chongqing, China
| | - Feifei Wang
- Department of Histology and Embryology, Chongqing Medical University, Chongqing, China
| | - Yuan Gao
- Department of Geriatrics, The First Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - Chunxia Huang
- Department of Physiology, Chongqing Medical University, Chongqing, China
| | - Yi Zhang
- Department of Histology and Embryology, Chongqing Medical University, Chongqing, China
| | - Lin Jiang
- Department of Histology and Embryology, Chongqing Medical University, Chongqing, China
| | - Yong Tang
- Department of Histology and Embryology, Chongqing Medical University, Chongqing, China
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84
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Zhang ZS, Qiu ZK, He JL, Liu X, Chen JS, Wang YL. Resveratrol ameliorated the behavioral deficits in a mouse model of post-traumatic stress disorder. Pharmacol Biochem Behav 2017; 161:68-76. [PMID: 28947177 DOI: 10.1016/j.pbb.2017.09.004] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/27/2017] [Revised: 08/20/2017] [Accepted: 09/08/2017] [Indexed: 01/09/2023]
Abstract
Post-traumatic stress disorder (PTSD) has become a major psychiatric and neurological issue. Resveratrol is shown to be effective on depression and anxiety. However, the mechanism of anti-PTSD-like effects of resveratrol remains unknown. The present study aimed to explore the possible molecular and cellular mechanisms underlying the anti-PTSD-like effects of resveratrol. Following a 2-day exposure to inescapable electric foot shocks, animals were administered resveratrol (10, 20, and 40mg/kg, i.g.) during the behavioral tests, which included contextual freezing measurement, elevated plus maze test, staircase test, and open field test. Similar to the positive control drug sertraline (15mg/kg, i.g.), the behavioral deficits of stressed mice were blocked by resveratrol (20 and 40mg/kg, i.g.), which reversed the increased freezing time in contextual freezing measurement and the number of rears in the staircase test and blocked the decrease in time and number of entries in open arms in the elevated plus maze test without affecting the locomotor activity in the open field test. In addition, resveratrol (20 and 40mg/kg, i.g.) antagonized the decrease in the levels of progesterone and allopregnanolone in the prefrontal cortex and hippocampus. Furthermore, long-term resveratrol attenuated the dysfunctions of hypothalamic-pituitary-adrenal axis simultaneously. Collectively, the evidence indicated that the anti-PTSD-like effects of resveratrol were associated with the normalization of biosynthesis of neurosteroids in the brain and prevention of the hypothalamic-pituitary-adrenal axis dysfunction.
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Affiliation(s)
- Ze-Shun Zhang
- Department of Neurosurgery, Guangdong Provincial Hospital of Chinese Medicine, Zhuhai 519015, PR China
| | - Zhi-Kun Qiu
- Guangdong Provincial Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, College of Pharmacy, Jinan University, Guangzhou 510632, PR China
| | - Jia-Li He
- Department of Endocrinology, Guangdong Provincial Hospital of Chinese Medicine, Guangzhou 510120, PR China
| | - Xu Liu
- Pharmacy Department of General Hospital of Chinese People's Armed Police Forces, Beijing 100039, PR China
| | - Ji-Sheng Chen
- Pharmaceutical Department of The First Affiliated Hospital of Guangdong Pharmaceutical University, Clinical Pharmacy Department of Guangdong Pharmaceutical University, Guangzhou 510080, PR China
| | - Yu-Lu Wang
- College of Pharmacy, Fujian University of Traditional Chinese Medicine, Fuzhou 350122, PR China.
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85
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SIRT1 Mediates Depression-Like Behaviors in the Nucleus Accumbens. J Neurosci 2017; 36:8441-52. [PMID: 27511015 DOI: 10.1523/jneurosci.0212-16.2016] [Citation(s) in RCA: 120] [Impact Index Per Article: 17.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2016] [Accepted: 06/22/2016] [Indexed: 11/21/2022] Open
Abstract
UNLABELLED Depression is a recurring and life-threatening illness that affects up to 120 million people worldwide. In the present study, we show that chronic social defeat stress, an ethologically validated model of depression in mice, increases SIRT1 levels in the nucleus accumbens (NAc), a key brain reward region. Increases in SIRT1, a well characterized class III histone deacetylase, after chronic social defeat suggest a role for this enzyme in mediating depression-like behaviors. When resveratrol, a pharmacological activator of SIRT1, was directly infused bilaterally into the NAc, we observed an increase in depression- and anxiety-like behaviors. Conversely, intra-NAc infusions of EX-527, a SIRT1 antagonist, reduced these behaviors; EX-527 also reduced acute stress responses in stress-naive mice. Next, we increased SIRT1 levels directly in NAc by use of viral-mediated gene transfer and observed an increase in depressive- and anxiety-like behaviors when mice were assessed in the open-field, elevated-plus-maze, and forced swim tests. Using a Cre-inducible viral vector system to overexpress SIRT1 selectively in dopamine D1 or D2 subpopulations of medium spiny neurons (MSNs) in the NAc, we found that SIRT1 promotes depressive-like behaviors only when overexpressed in D1 MSNs, with no effect seen in D2 MSNs. Conversely, selective ablation of SIRT1 in the NAc using viral-Cre in floxed Sirt1 mice resulted in decreased depression- and anxiety-like behaviors. Together, these results demonstrate that SIRT1 plays an essential role in the NAc in regulating mood-related behavioral abnormalities and identifies a novel signaling pathway for the development of innovative antidepressants to treat major depressive disorders. SIGNIFICANCE STATEMENT In this study, we demonstrate a pivotal role for SIRT1 in anxiety- and depression-like behaviors in the nucleus accumbens (NAc), a key brain reward region. We show that stress stably induces SIRT1 expression in this brain region and that altering SIRT1 activity using a pharmacological or genetic approach regulates anxiety- and depression-like behaviors. These results suggest that SIRT1 plays an essential role in regulating mood-related behaviors and introduces a novel signaling pathway for the development of innovative antidepressants to treat depression and other stress-related disorders. A recent groundbreaking publication by the CONVERGE Consortium (2015) identified a reproducible association of the SIRT1 locus with major depression in humans. Therefore, our results are timely and have significant translational relevance.
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86
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de Oliveira MR, Chenet AL, Duarte AR, Scaini G, Quevedo J. Molecular Mechanisms Underlying the Anti-depressant Effects of Resveratrol: a Review. Mol Neurobiol 2017; 55:4543-4559. [PMID: 28695536 DOI: 10.1007/s12035-017-0680-6] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2017] [Accepted: 06/29/2017] [Indexed: 12/27/2022]
Abstract
Major depression is a public health problem, affecting 121 million people worldwide. Patients suffering from depression present high rates of morbidity, causing profound economic and social impacts. Furthermore, patients with depression present cognitive impairments, which could influence on treatment adherence and long-term outcomes. The pathophysiology of major depression is not completely understood yet but involves reduced levels of monoamine neurotransmitters, bioenergetics, and redox disturbances, as well as inflammation and neuronal loss. Treatment with anti-depressants provides a complete remission of symptoms in approximately 50% of patients with major depression. However, these drugs may cause side effects, as sedation and weight gain. In this context, there is increasing interest in studies focusing on the anti-depressant effects of natural compounds found in the diet. Resveratrol is a polyphenolic phytoalexin (3,4',5-trihydroxystilbene; C14H12O3; MW 228.247 g/mol) and has been found in peanuts, berries, grapes, and wine and induces anti-oxidant, anti-inflammatory, and anti-apoptotic effects in several mammalian cell types. Resveratrol also elicits anti-depressant effects, as observed in experimental models using animals. Therefore, resveratrol may be viewed as a potential anti-depressant agent, as well as may serve as a model of molecule to be modified aiming to ameliorate depressive symptoms in humans. In the present review, we describe and discuss the anti-depressant effects of resveratrol focusing on the mechanism of action of this phytoalexin in different experimental models.
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Affiliation(s)
- Marcos Roberto de Oliveira
- Programa de Pós-Graduação em Química, Departamento de Química (DQ), Instituto de Ciências Exatas e da Terra (ICET), Universidade Federal de Mato Grosso (UFMT), Av. Fernando Corrêa da Costa, 2367, Cuiabá, MT, CEP 78060-900, Brazil.
| | - Aline Lukasievicz Chenet
- Programa de Pós-Graduação em Química, Departamento de Química (DQ), Instituto de Ciências Exatas e da Terra (ICET), Universidade Federal de Mato Grosso (UFMT), Av. Fernando Corrêa da Costa, 2367, Cuiabá, MT, CEP 78060-900, Brazil
| | - Adriane Ribeiro Duarte
- Programa de Pós-Graduação em Química, Departamento de Química (DQ), Instituto de Ciências Exatas e da Terra (ICET), Universidade Federal de Mato Grosso (UFMT), Av. Fernando Corrêa da Costa, 2367, Cuiabá, MT, CEP 78060-900, Brazil
| | - Giselli Scaini
- Translational Psychiatry Program, Department of Psychiatry and Behavioral Sciences, McGovern Medical School, The University of Texas Health Science Center at Houston (UTHealth), Houston, TX, USA
| | - João Quevedo
- Translational Psychiatry Program, Department of Psychiatry and Behavioral Sciences, McGovern Medical School, The University of Texas Health Science Center at Houston (UTHealth), Houston, TX, USA
- Laboratory of Neurosciences, Graduate Program in Health Sciences, Health Sciences Unit, University of Southern Santa Catarina (UNESC), Criciúma, SC, Brazil
- Center of Excellence on Mood Disorders, Department of Psychiatry and Behavioral Sciences, McGovern Medical School, The University of Texas Health Science Center at Houston (UTHealth), Houston, TX, USA
- Neuroscience Graduate Program, |The University of Texas MD Anderson Cancer Center UTHealth Graduate School of Biomedical Sciences, Houston, TX, USA
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87
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Zhang Q, Wang X, Bai X, Xie Y, Zhang T, Bo S, Chen X. Resveratrol reversed chronic restraint stress-induced impaired cognitive function in rats. Mol Med Rep 2017; 16:2095-2100. [PMID: 28656303 DOI: 10.3892/mmr.2017.6851] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2016] [Accepted: 05/02/2017] [Indexed: 11/05/2022] Open
Abstract
Chronic stress occurs in everyday life, and often results in memory impairments and depressive symptoms. Resveratrol is a natural polyphenol that possesses numerous biological properties, including potent antidepressant‑like effects. The present study aimed to examine the effects of resveratrol treatment on chronic restraint stress (CRS)‑induced cognitive impairment and to explore the underlying molecular mechanisms. Male Wistar rats were exposed to CRS for 21 days in order to induce depressive‑like behavior. The results demonstrated that CRS (6 h/day, 21 days) was able to induce cognitive deficits in rats, as evidenced by Morris water maze and novel object recognition tests. In addition, CRS exposure significantly decreased the mRNA and protein expression levels of hippocampal brain‑derived neurotrophic factor (BDNF) in the rats. Conversely, chronic treatment with resveratrol (80 mg/kg, i.p.; 21 days) significantly prevented the behavioral and biochemical alterations induced by CRS. The effects of resveratrol were nearly identical to those observed with fluoxetine treatment. In conclusion, the present study demonstrated that resveratrol may be a potential therapeutic agent for the treatment of chronic stress‑induced cognitive impairments, and its underlying molecular mechanism may be associated with the increased levels of hippocampal BDNF.
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Affiliation(s)
- Qian Zhang
- Department of Medical Psychology, Shandong University School of Medicine, Jinan, Shandong 250012, P.R. China
| | - Xueer Wang
- Department of Medical Psychology, Shandong University School of Medicine, Jinan, Shandong 250012, P.R. China
| | - Xuemei Bai
- Department of Medical Psychology, Shandong University School of Medicine, Jinan, Shandong 250012, P.R. China
| | - Yunkai Xie
- Department of Medical Psychology, Shandong University School of Medicine, Jinan, Shandong 250012, P.R. China
| | - Tiantian Zhang
- Department of Medical Psychology, Shandong University School of Medicine, Jinan, Shandong 250012, P.R. China
| | - Shishi Bo
- Department of Medical Psychology, Shandong University School of Medicine, Jinan, Shandong 250012, P.R. China
| | - Xiaoyang Chen
- Humanities Medical Research Center, Shandong University, Jinan, Shandong 250012, P.R. China
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Phillips C. Lifestyle Modulators of Neuroplasticity: How Physical Activity, Mental Engagement, and Diet Promote Cognitive Health during Aging. Neural Plast 2017; 2017:3589271. [PMID: 28695017 PMCID: PMC5485368 DOI: 10.1155/2017/3589271] [Citation(s) in RCA: 125] [Impact Index Per Article: 17.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2017] [Revised: 05/01/2017] [Accepted: 05/28/2017] [Indexed: 12/24/2022] Open
Abstract
The number of the elderly across the globe will approximate 2.1 billion by 2050. Juxtaposed against this burgeoning segment of the population is evidence that nonpathological aging is associated with an increased risk for cognitive decline in a variety of domains, changes that can cause mild disability even before the onset of dementia. Given that pharmacological treatments that mitigate dementia are still outstanding, alternative therapeutic options are being investigated increasingly. The results from translational studies have shown that modifiable lifestyle factors-including physical activity, cognitive engagement, and diet-are a key strategy for maintaining brain health during aging. Indeed, a multiplicity of studies has demonstrated relationships between lifestyle factors, brain structure and function, and cognitive function in aging adults. For example, physical activity and diet modulate common neuroplasticity substrates (neurotrophic signaling, neurogenesis, inflammation, stress response, and antioxidant defense) in the brain whereas cognitive engagement enhances brain and cognitive reserve. The aims of this review are to evaluate the relationship between modifiable lifestyle factors, neuroplasticity, and optimal brain health during aging; to identify putative mechanisms that contribute positive brain aging; and to highlight future directions for scientists and clinicians. Undoubtedly, the translation of cutting-edge knowledge derived from the field of cognitive neuroscience will advance our understanding and enhance clinical treatment interventions as we endeavor to promote brain health during aging.
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Singh N, Bansal Y, Bhandari R, Marwaha L, Singh R, Chopra K, Kuhad A. Resveratrol protects against ICV collagenase-induced neurobehavioral and biochemical deficits. JOURNAL OF INFLAMMATION-LONDON 2017; 14:14. [PMID: 28615993 PMCID: PMC5466723 DOI: 10.1186/s12950-017-0158-3] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/06/2016] [Accepted: 05/23/2017] [Indexed: 01/09/2023]
Abstract
Background Indeed, intracerebral hemorrhage (ICH) account for only 15% of all strokes but it is one of the most devastating subtype of stroke associated with behavioral, cognitive and neurological deficits. The primary cause of neurological deficits in ICH is the hematoma growth, generation of free radicals, inflammatory cytokines and exhausting endogenous anti-oxidant machinery. It has been found that neuroinflammation following ICH leads to exaggeration of hallmarks of ICH. With this background, the study was aimed to evaluate the protective effect of resveratrol (RSV) in intracerebroventricular (ICV) collagenase (COL) induced neurological deficits in rats. Methods The present study was designed to explore the protective effects of resveratrol (5, 10, 20 mg/kg) against ICV-COL induced ICH. Animals were subjected to a battery of behavioral tests to access behavioral changes, including neurological scoring tests (cylinder test, spontaneous motility, righting reflex, horizontal bar test, forelimb flexion), actophotometer, rotarod, Randall Sellito and von Frey. Post stroke depression was estimated using forced swim test (FST). Memory deficit was monitored using Morris water maze (MWM). Results Chronic treatment with RSV (20 mg/kg) for 21 days restored various behavioral changes, including neurological scoring tests (cylinder test, spontaneous motility, righting reflex, horizontal bar test, forelimb flexion), actophotometer, rotarod, Randall Sellito and Von Frey. RSV also restores increase in immobility time forced swim test used to evaluate post stroke depression and impaired memory deficit in Morris water maze. RSV administration also attenuated increased nitro-oxidative stress and TNF-α level. RSV being a potent antioxidant also restores changes in endogenous anti-oxidant levels. Conclusion In conclusion, our research demonstrates that RSV has a protective effect against ICH by virtue of its anti-inflammatory property and antioxidant and nitrosative stress restoring property.
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Affiliation(s)
- Navdeep Singh
- Pharmacology Research Laboratory, University Institute of Pharmaceutical Sciences, UGC-Centre of Advanced Study, Panjab University, Chandigarh, 160 014 India
| | - Yashika Bansal
- Pharmacology Research Laboratory, University Institute of Pharmaceutical Sciences, UGC-Centre of Advanced Study, Panjab University, Chandigarh, 160 014 India
| | - Ranjana Bhandari
- Pharmacology Research Laboratory, University Institute of Pharmaceutical Sciences, UGC-Centre of Advanced Study, Panjab University, Chandigarh, 160 014 India
| | - Lovish Marwaha
- Pharmacology Research Laboratory, University Institute of Pharmaceutical Sciences, UGC-Centre of Advanced Study, Panjab University, Chandigarh, 160 014 India
| | - Raghunath Singh
- Pharmacology Research Laboratory, University Institute of Pharmaceutical Sciences, UGC-Centre of Advanced Study, Panjab University, Chandigarh, 160 014 India
| | - Kanwaljit Chopra
- Pharmacology Research Laboratory, University Institute of Pharmaceutical Sciences, UGC-Centre of Advanced Study, Panjab University, Chandigarh, 160 014 India
| | - Anurag Kuhad
- Pharmacology Research Laboratory, University Institute of Pharmaceutical Sciences, UGC-Centre of Advanced Study, Panjab University, Chandigarh, 160 014 India
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90
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Liu SY, Li D, Zeng HY, Kan LY, Zou W, Zhang P, Gu HF, Tang XQ. Hydrogen Sulfide Inhibits Chronic Unpredictable Mild Stress-Induced Depressive-Like Behavior by Upregulation of Sirt-1: Involvement in Suppression of Hippocampal Endoplasmic Reticulum Stress. Int J Neuropsychopharmacol 2017; 20:867-876. [PMID: 28482013 PMCID: PMC5737807 DOI: 10.1093/ijnp/pyx030] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/07/2016] [Accepted: 05/03/2017] [Indexed: 01/26/2023] Open
Abstract
BACKGROUND Hydrogen sulfide (H2S) is a crucial signaling molecule with a wide range of physiological functions. Previously, we confirmed that stress-induced depression is accompanied with disturbance of H2S generation in hippocampus. The present work attempted to investigate the inhibitory effect of H2S on chronic unpredictable mild stress-induced depressive-like behaviors and the underlying mechanism. METHODS We established the rat model of chronic unpredictable mild stress to simulate depression. Open field test, forced swim test, and tail suspension test were used to assess depressive-like behaviors. The expression of Sirt-1 and three marked proteins related to endoplasmic reticulum stress (GRP-78, CHOP, and cleaved caspase-12) were detected by western blot. RESULTS We found that chronic unpredictable mild stress-exposed rats exhibit depression-like behavior responses, including significantly increased immobility time in the forced swim test and tail suspension test, and decreased climbing time and swimming time in the forced swim test. In parallel, chronic unpredictable mild stress-exposed rats showed elevated levels of hippocampal endoplasmic reticulum stress and reduced levels of Sirt-1. However, NaHS (a donor of H2S) not only alleviated chronic unpredictable mild stress-induced depressive-like behaviors and hippocampal endoplasmic reticulum stress, but it also increased the expression of hippocampal Sirt-1 in chronic unpredictable mild stress-exposed rats. Furthermore, Sirtinol, an inhibitor of Sirt-1, reversed the protective effects of H2S against chronic unpredictable mild stress-induced depression-like behaviors and hippocampal endoplasmic reticulum stress. CONCLUSION These results demonstrated that H2S has an antidepressant potential, and the underlying mechanism is involved in the inhibition of hippocampal endoplasmic reticulum stress by upregulation of Sirt-1 in hippocampus. These findings identify H2S as a novel therapeutic target for depression.
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Affiliation(s)
- Shu-Yun Liu
- Department of Neurology, Affiliated Center Hospital of Shenzhen Longhua New District, Guangdong Medical University, Shenzhen, Guangdong, P. R. China (Ms Liu and Ms Li); Institute of Neuroscience, Medical College, University of South China, Hengyang, Hunan, P. R. China (Ms Zeng, Ms Kan, Mr Zou, Mr Zhang, and Drs Gu and Tang); Department of Neurology, Nanhua Affiliated Hospital, University of South China, Hengyang, Hunan, P. R. China (Mr Zou); Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Hengyang, Hunan, PR China (Dr Tang)
| | - Dan Li
- Department of Neurology, Affiliated Center Hospital of Shenzhen Longhua New District, Guangdong Medical University, Shenzhen, Guangdong, P. R. China (Ms Liu and Ms Li); Institute of Neuroscience, Medical College, University of South China, Hengyang, Hunan, P. R. China (Ms Zeng, Ms Kan, Mr Zou, Mr Zhang, and Drs Gu and Tang); Department of Neurology, Nanhua Affiliated Hospital, University of South China, Hengyang, Hunan, P. R. China (Mr Zou); Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Hengyang, Hunan, PR China (Dr Tang)
| | - Hai-Ying Zeng
- Department of Neurology, Affiliated Center Hospital of Shenzhen Longhua New District, Guangdong Medical University, Shenzhen, Guangdong, P. R. China (Ms Liu and Ms Li); Institute of Neuroscience, Medical College, University of South China, Hengyang, Hunan, P. R. China (Ms Zeng, Ms Kan, Mr Zou, Mr Zhang, and Drs Gu and Tang); Department of Neurology, Nanhua Affiliated Hospital, University of South China, Hengyang, Hunan, P. R. China (Mr Zou); Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Hengyang, Hunan, PR China (Dr Tang)
| | - Li-Yuan Kan
- Department of Neurology, Affiliated Center Hospital of Shenzhen Longhua New District, Guangdong Medical University, Shenzhen, Guangdong, P. R. China (Ms Liu and Ms Li); Institute of Neuroscience, Medical College, University of South China, Hengyang, Hunan, P. R. China (Ms Zeng, Ms Kan, Mr Zou, Mr Zhang, and Drs Gu and Tang); Department of Neurology, Nanhua Affiliated Hospital, University of South China, Hengyang, Hunan, P. R. China (Mr Zou); Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Hengyang, Hunan, PR China (Dr Tang)
| | - Wei Zou
- Department of Neurology, Affiliated Center Hospital of Shenzhen Longhua New District, Guangdong Medical University, Shenzhen, Guangdong, P. R. China (Ms Liu and Ms Li); Institute of Neuroscience, Medical College, University of South China, Hengyang, Hunan, P. R. China (Ms Zeng, Ms Kan, Mr Zou, Mr Zhang, and Drs Gu and Tang); Department of Neurology, Nanhua Affiliated Hospital, University of South China, Hengyang, Hunan, P. R. China (Mr Zou); Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Hengyang, Hunan, PR China (Dr Tang)
| | - Ping Zhang
- Department of Neurology, Affiliated Center Hospital of Shenzhen Longhua New District, Guangdong Medical University, Shenzhen, Guangdong, P. R. China (Ms Liu and Ms Li); Institute of Neuroscience, Medical College, University of South China, Hengyang, Hunan, P. R. China (Ms Zeng, Ms Kan, Mr Zou, Mr Zhang, and Drs Gu and Tang); Department of Neurology, Nanhua Affiliated Hospital, University of South China, Hengyang, Hunan, P. R. China (Mr Zou); Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Hengyang, Hunan, PR China (Dr Tang)
| | - Hong-Feng Gu
- Department of Neurology, Affiliated Center Hospital of Shenzhen Longhua New District, Guangdong Medical University, Shenzhen, Guangdong, P. R. China (Ms Liu and Ms Li); Institute of Neuroscience, Medical College, University of South China, Hengyang, Hunan, P. R. China (Ms Zeng, Ms Kan, Mr Zou, Mr Zhang, and Drs Gu and Tang); Department of Neurology, Nanhua Affiliated Hospital, University of South China, Hengyang, Hunan, P. R. China (Mr Zou); Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Hengyang, Hunan, PR China (Dr Tang)
| | - Xiao-Qing Tang
- Department of Neurology, Affiliated Center Hospital of Shenzhen Longhua New District, Guangdong Medical University, Shenzhen, Guangdong, P. R. China (Ms Liu and Ms Li); Institute of Neuroscience, Medical College, University of South China, Hengyang, Hunan, P. R. China (Ms Zeng, Ms Kan, Mr Zou, Mr Zhang, and Drs Gu and Tang); Department of Neurology, Nanhua Affiliated Hospital, University of South China, Hengyang, Hunan, P. R. China (Mr Zou); Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Hengyang, Hunan, PR China (Dr Tang).,Correspondence: Xiao-Qing Tang, MD, PhD, Department of Physiology, Institute of Neuroscience, Medical College, University of South China, 28 West Changsheng Road, Hengyang 421001, Hunan Province, P. R. China ()
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Abstract
Disturbance of cerebral redox homeostasis is the primary cause of human neurodegenerative disorders, such as Parkinson's disease or Alzheimer's disease. Well known experimental research demonstrates that oxidative stress is a main cause of cell death. A high concentration of reactive oxygen and nitrogen species leads to damage of a lot of proteins, lipids and also DNA. Synthetic compounds used for the treatment in the neurodegenerative diseases failed to meet the hopes they had raised and often exhibit a number of side effects. Therefore, in recent years interest in natural compounds derived from plants appears to be on the rise. This review describes a few natural compounds (1MeTIQ, resveratrol, curcumin, vitamin C and Gingko biloba) which revealed neuroprotective potential both in experimental studies and clinical trials. 1MeTIQ has a privileged position because, as opposed to the remaining compounds, it is an endogenous amine synthesized in human and animal brain. Based on evidence from research, it seems that a common protective mechanism for all the above-mentioned natural compounds relies on their ability to inhibit or even scavenge the excess of free radicals generated in oxidative and neurotoxin-induced processes in nerve cells of the brain. However, it was demonstrated that further different molecular processes connected with neurotoxicity (e.g. the inhibition of mitochondrial complex I, activation of caspase-3, apoptosis) follow later and are initiated by the reactive oxygen species. What is more, these natural compounds are able to inhibit further stages of apoptosis triggered by neurotoxins in the brain.
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Affiliation(s)
- Agnieszka Wąsik
- Institute of Pharmacology, Polish Academy of Sciences, Department of Neurochemistry, Kraków, Poland.
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Kin K, Yasuhara T, Kameda M, Agari T, Sasaki T, Morimoto J, Okazaki M, Umakoshi M, Kuwahara K, Kin I, Tajiri N, Date I. Hippocampal neurogenesis of Wistar Kyoto rats is congenitally impaired and correlated with stress resistance. Behav Brain Res 2017; 329:148-156. [PMID: 28465137 DOI: 10.1016/j.bbr.2017.04.046] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2017] [Revised: 04/17/2017] [Accepted: 04/22/2017] [Indexed: 12/28/2022]
Abstract
The hippocampus is thought to be an important region for depression. However, the relationship between hippocampal neurogenesis and depression is still controversial. Wistar Kyoto (WKY) rats are frequently used as a depression model. WKY rats are known to show physiologically abnormal features, and these features resemble abnormalities seen in depressed patients. However, the neurogenesis of WKY rats is still unknown. In this study, we first evaluated the neurogenesis of WKY rats and compared it to that of Wistar (WIS) rats. No strain effect was observed in the number of cells positive for 5-bromo-2'-deoxyuridine (BrdU) and BrdU/Doublecortin (Dcx) in the subventricular zone (SVZ). However, the number of BrdU- and BrdU/Dcx-positive cells in the dentate gyrus (DG) of the hippocampus was significantly lower in WKY rats than in WIS rats. Next, we evaluated the correlation between neurogenesis and behavior tests. Behavior tests did not affect neurogenesis in either strain. Hippocampal neurogenesis correlated negatively with the results of a forced swim test (FST) on day 2 in each strain. That is, rats with a lower level of native neurogenesis in the DG showed a higher level of learned helplessness induced by the inescapable stress of the FST on day 1. Our findings indicate that hippocampal neurogenesis in WKY rats is congenitally impaired in contrast to that in WIS rats. Native cell proliferation and neurogenesis in the DG are correlated with stress resistance. These findings may be useful for developing new targets for depression treatment.
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Affiliation(s)
- Kyohei Kin
- Department of Neurological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1, Shikata-cho, Kita-ku, Okayama-shi, Okayama, 700-8558, Japan
| | - Takao Yasuhara
- Department of Neurological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1, Shikata-cho, Kita-ku, Okayama-shi, Okayama, 700-8558, Japan.
| | - Masahiro Kameda
- Department of Neurological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1, Shikata-cho, Kita-ku, Okayama-shi, Okayama, 700-8558, Japan
| | - Takashi Agari
- Department of Neurological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1, Shikata-cho, Kita-ku, Okayama-shi, Okayama, 700-8558, Japan
| | - Tatsuya Sasaki
- Department of Neurological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1, Shikata-cho, Kita-ku, Okayama-shi, Okayama, 700-8558, Japan
| | - Jun Morimoto
- Department of Neurological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1, Shikata-cho, Kita-ku, Okayama-shi, Okayama, 700-8558, Japan
| | - Mihoko Okazaki
- Department of Neurological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1, Shikata-cho, Kita-ku, Okayama-shi, Okayama, 700-8558, Japan
| | - Michiari Umakoshi
- Department of Neurological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1, Shikata-cho, Kita-ku, Okayama-shi, Okayama, 700-8558, Japan
| | - Ken Kuwahara
- Department of Neurological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1, Shikata-cho, Kita-ku, Okayama-shi, Okayama, 700-8558, Japan
| | - Ittetsu Kin
- Department of Neurological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1, Shikata-cho, Kita-ku, Okayama-shi, Okayama, 700-8558, Japan
| | - Naoki Tajiri
- Department of Neurological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1, Shikata-cho, Kita-ku, Okayama-shi, Okayama, 700-8558, Japan; Department of Psychology, Kibi International University Graduate School of Psychology, 8, iga-cho, takahashi-shi, Okayama, 716-8508, Japan
| | - Isao Date
- Department of Neurological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1, Shikata-cho, Kita-ku, Okayama-shi, Okayama, 700-8558, Japan
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93
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Gilles YD, Polston EK. Effects of social deprivation on social and depressive-like behaviors and the numbers of oxytocin expressing neurons in rats. Behav Brain Res 2017; 328:28-38. [PMID: 28377259 DOI: 10.1016/j.bbr.2017.03.036] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2016] [Revised: 03/02/2017] [Accepted: 03/23/2017] [Indexed: 12/20/2022]
Abstract
Social isolation is a known stressor that negatively impacts the well-being of social species. In rodents, social deprivation experienced either before or after weaning profoundly impacts adult behavioral and neuroendocrine profiles. This study compared the effects of post-natal and post-weaning social deprivation on behavioral profiles and hypothalamic oxytocin (OT) neurons. Male and female Sprague-Dawley rats were assigned to two post-natal groups, maternally separated (MS) or non-MS. MS pups were separated from their mothers for 4h daily during post-natal days 2-21 while non-MS litters remained undisturbed. Animals were then weaned and assigned to single or group housing conditions (SH/GH). Social behaviors were evaluated two weeks later and at 2-3 months of age, depressive-like behavioral profiles were assessed using the forced swim and sucrose preference tests. Animals were euthanized, and hypothalamic OT neurons were quantified. Post-weaning isolation significantly impacted behavioral profiles, with SH animals displaying more social behaviors than GH animals. SH animals also exhibited more immobility behavior in the forced swim test and a decreased sucrose preference. Effects of sex and MS were relatively limited. Correlation analyses revealed an inverse relationship between the display of antagonistic social behaviors and the numbers of OT cells in the anterior parvicellular division of the paraventricular nucleus (PVNap). There were no correlations between numbers of OT neurons and prosocial or depressive-like behaviors. Our results demonstrate a rapid and persistent disruption of behaviors in SH animals and suggest that some of these effects may be associated with numbers of OT neurons in the PVNap.
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Affiliation(s)
- Yaminah D Gilles
- Department of Physiology and Biophysics, Howard University College of Medicine, 520 W St., NW, Washington, DC 20059, USA.
| | - Eva K Polston
- Department of Physiology and Biophysics, Howard University College of Medicine, 520 W St., NW, Washington, DC 20059, USA.
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Bhandari R, Kuhad A. Resveratrol suppresses neuroinflammation in the experimental paradigm of autism spectrum disorders. Neurochem Int 2017; 103:8-23. [DOI: 10.1016/j.neuint.2016.12.012] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2016] [Revised: 11/27/2016] [Accepted: 12/20/2016] [Indexed: 01/08/2023]
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Yang XH, Song SQ, Xu Y. Resveratrol ameliorates chronic unpredictable mild stress-induced depression-like behavior: involvement of the HPA axis, inflammatory markers, BDNF, and Wnt/β-catenin pathway in rats. Neuropsychiatr Dis Treat 2017; 13:2727-2736. [PMID: 29138567 PMCID: PMC5667793 DOI: 10.2147/ndt.s150028] [Citation(s) in RCA: 58] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
Classic antidepressant drugs are modestly effective across the population and most are associated with intolerable side effects. Recently, numerous lines of evidence suggest that resveratrol (RES), a natural polyphenol, possesses beneficial therapeutic activity for depression. The aim of the present study was to explore whether RES exhibits an antidepressant-like effect in a depression model and to explore the possible mechanism. A depression model was established via chronic unpredictable mild stress (CUMS), after which the model rats in the RES and fluoxetine groups received a daily injection of RES or fluoxetine, respectively. The sucrose preference test, open field test, and forced swimming test were used to explore the antidepressant-like effects of RES. The activity of the hypothalamic-pituitary-adrenal (HPA) axis was evaluated by detecting the plasma corticosterone concentration and hypothalamic mRNA expression of corticotrophin-releasing hormone. The plasma interleukin-6 (IL-6), C-reactive protein (CRP), and tumor necrosis factor-α (TNF-α) concentrations were measured by enzyme-linked immunosorbent assay. Hippocampal protein expression of brain-derived neurotrophic factor (BDNF) and the Wnt/β-catenin pathway were analyzed by western blot. The results showed that RES relieved depression-like behavior of CUMS rats, as indicated by the increased sucrose preference and the decreased immobile time. Rats that received RES treatment exhibited reduced plasma corticosterone levels and corticotrophin-releasing hormone mRNA expression in the hypothalamus, suggesting that the hyperactivity of the HPA axis in CUMS rats was reversed by RES. Moreover, after RES treatment, the rats exhibited increased plasma IL-6, CRP, and TNF-α concentrations. Furthermore, RES treatment upregulated the hippocampal protein levels of BDNF and the relative ratio of p-β-catenin/β-catenin while downregulating the relative ratio of p-GSK-3β/GSK-3β. Our findings suggest that RES improved depressive behavior in CUMS rats by downregulating HPA axis hyperactivity, increasing BDNF expression and plasma IL-6, CRP, and TNF-α concentrations, and regulating the hippocampal Wnt/β-catenin pathway.
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Affiliation(s)
- Xin-Hua Yang
- Department of Pharmacy, Hefei Eighth People's Hospital, Hefei
| | - Su-Qi Song
- Department of Psychiatry, Chaohu Hospital of Anhui Medical University, Hefei
| | - Yun Xu
- Faculty of Pharmacy, Anhui Medical University, Hefei, China
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The protective effects of resveratrol on social stress-induced cytokine release and depressive-like behavior. Brain Behav Immun 2017; 59:147-157. [PMID: 27592314 PMCID: PMC5154920 DOI: 10.1016/j.bbi.2016.08.019] [Citation(s) in RCA: 62] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/06/2016] [Revised: 08/19/2016] [Accepted: 08/30/2016] [Indexed: 12/12/2022] Open
Abstract
Social stress is a risk factor for psychiatric disorders, however only a subset of the population is susceptible while others remain resilient. Inflammation has been linked to the pathogenesis of psychosocial disorders in humans and may underlie these individual differences. Using a resident-intruder paradigm capable of revealing individual differences in coping behavior and inflammatory responses, the present study determined if resveratrol (RSV; 0, 10, 30mg/kg/day) protected against persistent stress-induced inflammation in socially defeated rats. Furthermore, the antidepressant efficacy of RSV was evaluated using the sucrose preference test. Active coping rats were characterized by more time spent in upright postures and increased defeat latencies versus passive coping rats. Five days after defeat, flow cytometry revealed enhanced stimulation of proinflammatory proteins (IL-β, TNF-α) in spleen cells of passive rats as compared to active coping and controls, an effect that was blocked by both doses of RSV. Furthermore, only passive coping rats exhibited increased proinflammatory proteins (IL-1β, TNF-α, GM-CSF) in the locus coeruleus (LC), a noradrenergic brain region implicated in depression. Notably, only 30mg/kg RSV blocked LC neuroinflammation and importantly, was the only dose that blocked anhedonia. Alternatively, while stress had minimal impact on resting cytokines in the dorsal raphe (DR), RSV dose-dependently reduced DR cytokine expression. However, this did not result in changes in indoleamine 2,3-dioxygenase activity or serotonin levels. Taken together, these data suggest that social stress-induced depressive-like behavior evident in passive coping rats may be driven by stress-induced neuroinflammation and highlight natural anti-inflammatory agents to protect against social stress-related consequences.
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97
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Shojaei S, Panjehshahin MR, Shafiee SM, Khoshdel Z, Borji M, Ghasempour G, Owji AA. Differential Effects of Resveratrol on the Expression of Brain-Derived Neurotrophic Factor Transcripts and Protein in the Hippocampus of Rat Brain. IRANIAN JOURNAL OF MEDICAL SCIENCES 2017; 42:32-39. [PMID: 28293048 PMCID: PMC5337763] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
BACKGROUND The induction of brain-derived neurotrophic factor (BDNF) expression in the hippocampus has shown to play a role in the beneficial effects of resveratrol (RSV) on the learning and memory. The BDNF gene has a complicated structure with eight 5' noncoding exons (I-IXa), each of which can splice to a common coding exon (IX) to form a functional transcript. Estrogens increase levels of BDNF transcripts in the hippocampus of rats. The aim of this study was to evaluate the effects of the phytoestrogen, RSV, on the splicing pattern of BDNF transcripts and on the pro-BDNF protein in the hippocampi of mother rats and their embryos. METHODS RSV (60 or 120 mg/kg BW/day) was administered orally to pregnant rats from days 1 to 20 of gestation. Hippocampi of adults and embryos were dissected 24 h after the last administration of RSV. Extracts from hippocampi were subject to quantitative (q) RT-PCR and Western blotting to assess splicing pattern of the BDNF transcripts and levels of pro-BDNF protein, respectively. RESULTS RSV (120 mg/kg BW/day) caused a statistically significant increase in the expression levels of BDNF exons III, IV and IX, but not the exon I in the hippocampi of adult rats (P≤0.05). Levels of pro-BDNF protein remained unchanged in the hippocampal tissues from both adult and embryonic rats treated by RSV (60 or 120 mg/kg BW/day). CONCLUSION Our results showed that RSV differentially activates promoters of the BDNF gene in the hippocampus of pregnant rats, but fails to affect the pro-BDNF level neither in adult nor in the embryonic hippocampal tissues.
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Affiliation(s)
- Shahla Shojaei
- Department of Clinical Biochemistry, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran
| | | | - Sayed Mohammad Shafiee
- Department of Biochemistry and Recombinant Protein Laboratory, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Zahra Khoshdel
- Department of Biochemistry and Recombinant Protein Laboratory, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mohammad Borji
- Department of Biochemistry and Recombinant Protein Laboratory, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Ghasem Ghasempour
- Department of Biochemistry and Recombinant Protein Laboratory, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Ali Akbar Owji
- Research Center for Psychiatry and Behavioral Sciences, Shiraz University of Medical Sciences, Shiraz, Iran,Correspondence: Ali Akbar Owji, PhD; Department of Biochemistry, School of Medicine, Zand Street, Shiraz, Iran Tel: +98 917 1184505 Fax: +98 71 32303029
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Sandhu KV, Sherwin E, Schellekens H, Stanton C, Dinan TG, Cryan JF. Feeding the microbiota-gut-brain axis: diet, microbiome, and neuropsychiatry. Transl Res 2017; 179:223-244. [PMID: 27832936 DOI: 10.1016/j.trsl.2016.10.002] [Citation(s) in RCA: 297] [Impact Index Per Article: 42.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/02/2016] [Revised: 09/08/2016] [Accepted: 10/06/2016] [Indexed: 02/07/2023]
Abstract
The microbial population residing within the human gut represents one of the most densely populated microbial niche in the human body with growing evidence showing it playing a key role in the regulation of behavior and brain function. The bidirectional communication between the gut microbiota and the brain, the microbiota-gut-brain axis, occurs through various pathways including the vagus nerve, the immune system, neuroendocrine pathways, and bacteria-derived metabolites. This axis has been shown to influence neurotransmission and the behavior that are often associated with neuropsychiatric conditions. Therefore, research targeting the modulation of this gut microbiota as a novel therapy for the treatment of various neuropsychiatric conditions is gaining interest. Numerous factors have been highlighted to influence gut microbiota composition, including genetics, health status, mode of birth, and environment. However, it is diet composition and nutritional status that has repeatedly been shown to be one of the most critical modifiable factors regulating the gut microbiota at different time points across the lifespan and under various health conditions. Thus the microbiota is poised to play a key role in nutritional interventions for maintaining brain health.
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Affiliation(s)
- Kiran V Sandhu
- APC Microbiome institute, University College Cork, Cork, Ireland
| | - Eoin Sherwin
- APC Microbiome institute, University College Cork, Cork, Ireland
| | - Harriët Schellekens
- APC Microbiome institute, University College Cork, Cork, Ireland; Department of Anatomy and Neuroscience, University College Cork, Cork, Ireland
| | - Catherine Stanton
- APC Microbiome institute, University College Cork, Cork, Ireland; Department of Psychiatry & Neurobehavioural Science, University College Cork, Cork, Ireland; Teagasc Moorepark Food Research Centre, Fermoy, Co, Cork, Ireland
| | - Timothy G Dinan
- APC Microbiome institute, University College Cork, Cork, Ireland; Department of Psychiatry & Neurobehavioural Science, University College Cork, Cork, Ireland
| | - John F Cryan
- APC Microbiome institute, University College Cork, Cork, Ireland; Department of Anatomy and Neuroscience, University College Cork, Cork, Ireland.
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Hippocampal Sirtuin 1 Signaling Mediates Depression-like Behavior. Biol Psychiatry 2016; 80:815-826. [PMID: 27016384 DOI: 10.1016/j.biopsych.2016.01.009] [Citation(s) in RCA: 175] [Impact Index Per Article: 21.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/28/2015] [Revised: 01/21/2016] [Accepted: 01/21/2016] [Indexed: 12/20/2022]
Abstract
BACKGROUND Although depression is the leading cause of disability worldwide, its pathophysiology is poorly understood. Recent evidence has suggested that sirtuins (SIRTs) play a key role in cognition and synaptic plasticity, yet their role in mood regulation remains controversial. Here, we aimed to investigate whether SIRT function is associated with chronic stress-elicited depression-like behaviors and neuronal atrophy. METHODS We measured SIRT expression and activity in a mouse model of depression. We injected mice with a SIRT1 activator or inhibitor and measured their depression-like behaviors and dendritic spine morphology. To assess the role of SIRT1 directly, we used a viral-mediated gene transfer to overexpress the wild-type SIRT1 or dominant negative SIRT1 and evaluated their depression-like behaviors. Finally, we examined the role of extracellular signal-regulated protein kinases 1 and 2, a potential downstream target of SIRT1, in depression-like behavior. RESULTS We found that chronic stress reduced SIRT1 activity in the dentate gyrus of the hippocampus. Pharmacologic and genetic inhibition of hippocampal SIRT1 function led to an increase in depression-like behaviors. Conversely, SIRT1 activation blocked both the development of depression-related phenotypes and aberrant dendritic structures elicited by chronic stress exposure. Furthermore, hippocampal SIRT1 activation increased the phosphorylation level of extracellular signal-regulated protein kinases 1 and 2 in the stressed condition, and viral-mediated activation and inhibition of hippocampal extracellular signal-regulated protein kinase 2 led to antidepressive and prodepressive behaviors, respectively. CONCLUSIONS Our results suggest that the hippocampal SIRT1 pathway contributes to the chronic stress-elicited depression-related phenotype and aberrant dendritic atrophy.
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Burke NN, Coppinger J, Deaver DR, Roche M, Finn DP, Kelly J. Sex differences and similarities in depressive- and anxiety-like behaviour in the Wistar-Kyoto rat. Physiol Behav 2016; 167:28-34. [DOI: 10.1016/j.physbeh.2016.08.031] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2016] [Revised: 08/17/2016] [Accepted: 08/30/2016] [Indexed: 12/29/2022]
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