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Amidfar M, Garcez ML, Askari G, Bagherniya M, Khorvash F, Golpour-Hamedani S, de Oliveira J. Role of BDNF Signaling in the Neuroprotective and Memory-enhancing Effects of Flavonoids in Alzheimer's Disease. CNS & NEUROLOGICAL DISORDERS DRUG TARGETS 2024; 23:984-995. [PMID: 37702162 DOI: 10.2174/1871527323666230912090856] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Revised: 06/27/2023] [Accepted: 07/18/2023] [Indexed: 09/14/2023]
Abstract
BACKGROUND Foods rich in flavonoids are associated with a reduced risk of various chronic diseases, including Alzheimer's disease (AD). In fact, growing evidence suggests that consuming flavonoid- rich foods can beneficially affect normal cognitive function. Animal models have shown that many flavonoids prevent the development of AD-like pathology and improve cognitive deficits. OBJECTIVE Identifying the molecular causes underlying the memory-enhancing effect of flavonoid-rich foods makes it possible to provide the best diet to prevent cognitive decline associated with aging and Alzheimer's disease. Based on the most recent scientific literature, this review article critically examines the therapeutic role of dietary flavonoids in ameliorating and preventing the progression of AD and enhancement of memory with a focus on the role of the BDNF signaling pathway. METHODS The databases of PubMed, Web of Science, Google Scholar, and Scopus were searched up to March 2023 and limited to English language. Search strategies were using the following keywords in titles and abstracts: (Flavonoid-rich foods OR Flavonoids OR Polyphenols); AND (Brain-Derived Neurotrophic Factor OR BDNF OR CREB OR) AND (Alzheimer's disease OR memory OR cognition OR). RESULTS Flavonoid-rich foods including green tea, berries, curcumin and pomegranate exert their beneficial effects on memory decline associated with aging and Alzheimer's disease mostly through the direct interaction with BDNF signaling pathway. CONCLUSION The neuroprotective effects of flavonoid-rich foods through the CREB-BDNF mechanism have the potential to prevent or limit memory decline due to aging and Alzheimer's disease, so their consumption throughout life may prevent age-related cognitive impairment.
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Affiliation(s)
- Meysam Amidfar
- Nutrition and Food Security Research Center, School of Nutrition and Food Science, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Michelle Lima Garcez
- Graduate Program of Research and Extension (CEPEG), University Center of Espirito Santo, Espírito Santo, Brazil
| | - Gholamreza Askari
- Nutrition and Food Security Research Center, School of Nutrition and Food Science, Isfahan University of Medical Sciences, Isfahan, Iran
- Nutrition and Food Security Research Center, Department of Community Nutrition, School of Nutrition and Food Science, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Mohammad Bagherniya
- Nutrition and Food Security Research Center, School of Nutrition and Food Science, Isfahan University of Medical Sciences, Isfahan, Iran
- Nutrition and Food Security Research Center, Department of Community Nutrition, School of Nutrition and Food Science, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Fariborz Khorvash
- Department of Neurology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Sahar Golpour-Hamedani
- Nutrition and Food Security Research Center, Department of Community Nutrition, School of Nutrition and Food Science, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Jade de Oliveira
- Postgraduate Program in Biological Sciences: Biochemistry, Department of Biochemistry, Institute of Basic Health Sciences, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
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Resveratrol Ameliorates Trigeminal Neuralgia-Induced Cognitive Deficits by Regulating Neural Ultrastructural Remodelling and the CREB/BDNF Pathway in Rats. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:4926678. [PMID: 36478990 PMCID: PMC9722315 DOI: 10.1155/2022/4926678] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/28/2022] [Revised: 10/17/2022] [Accepted: 11/09/2022] [Indexed: 11/30/2022]
Abstract
Chronic pain often leads to cognitive impairment. Resveratrol (Res), a natural polyphenol existing in Polygonum cuspidatum, has been widely investigated for its antinociceptive, anti-inflammatory, and neuroprotective properties. Our aim was to explore the ameliorating effects of resveratrol on pain-related behaviors and learning and memory deficits induced by cobra venom-induced trigeminal neuralgia (TN). The TN model of rats was established by injecting cobra venom solution beneath the epineurium of the infraorbital nerve. Resveratrol was intragastrically administered at a dose of 40 mg/kg twice daily beginning on postoperative day 15. CREB inhibitor 666-15 was intraperitoneally administered at a dose of 10 mg/kg from POD 35-42 after morning resveratrol treatment. Mechanical allodynia was measured via von Frey filaments. Rat free movement was videotaped and analyzed. Spatial learning and memory were evaluated via the Morris water maze test. Ultrastructures of the hippocampal DG region and infraorbital nerve were observed by transmission electron microscopy. We found that resveratrol alleviated TN-induced allodynia, ameliorated learning and memory deficits, restored the ultrastructure of hippocampal neurons and synapses, repaired the damaged myelin sheath of the infraorbital nerve, and activated the CREB/BDNF pathway in the hippocampus of TN rats. CREB inhibitor administration suppressed the resveratrol-rescued abnormal hippocampal ultrastructural changes and aggravated spatial learning and memory impairment by inhibiting CREB/BDNF pathway activation in the hippocampus. Our findings indicated that resveratrol alleviated pain and improved cognitive deficits, probably by regulating neural ultrastructure remodelling and the CREB/BDNF pathway.
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Lucerón-Lucas-Torres M, Cavero-Redondo I, Martínez-Vizcaíno V, Saz-Lara A, Pascual-Morena C, Álvarez-Bueno C. Association Between Wine Consumption and Cognitive Decline in Older People: A Systematic Review and Meta-Analysis of Longitudinal Studies. Front Nutr 2022; 9:863059. [PMID: 35634389 PMCID: PMC9133879 DOI: 10.3389/fnut.2022.863059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Accepted: 03/18/2022] [Indexed: 11/13/2022] Open
Abstract
Background Low-to-moderate alcohol consumption appears to have potential health benefits. Existing evidence concludes that wine may be associated with a lower incidence of certain diseases. This systematic review and meta-analysis aim to examine evidence on the association between wine consumption and cognitive decline and to analyze whether this association varies depending on the wine consumption level or is affected by individual and study characteristics, including mean age, percentage of women participants, and follow-up time. Methods In this systematic review and meta-analysis, we undertook a search in MEDLINE (via PubMed), Scopus, Cochrane, and Web of Science databases for longitudinal studies measuring the association between wine consumption and cognitive decline from their inception to May 2021. Effect sizes were calculated using the DerSimonian and Laird and Hartung-Knapp-Sidik-Jonkman methods. Results The search retrieved 6,055 articles, 16 of which were included in this systematic review. In total, 12 studies were included in the meta-analysis. The studies were published between 1997 and 2019. They were conducted in nine different countries. The sample size of the included studies ranged from 360 to 10,308 with a mean age of 70 years old. Using the DerSimoniand and Laird method, the pooled RR for the effect of wine consumption on cognitive decline was 0.72 (95% CI 0.63–0.80; I2 = 82.4%; τ2: 0.0154). Using the Hartung-Knapp-Sidik-Jonkman method, the RR was 0.65 (95% CI 0.52–0.79; I2 = 94,531%; τ2: 0.057). Conclusions This study may show a protective effect of wine consumption against cognitive decline. However, it would be important for future research to differentiate the types of wine within consumption.
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Affiliation(s)
| | - Iván Cavero-Redondo
- Universidad de Castilla-La Mancha, Health and Social Research Center, Cuenca, Spain
- Universidad Autónoma de Chile, Facultad de Ciencias de la Salud, Talca, Chile
- *Correspondence: Iván Cavero-Redondo
| | - Vicente Martínez-Vizcaíno
- Universidad de Castilla-La Mancha, Health and Social Research Center, Cuenca, Spain
- Universidad Autónoma de Chile, Facultad de Ciencias de la Salud, Talca, Chile
| | - Alicia Saz-Lara
- Universidad de Castilla-La Mancha, Health and Social Research Center, Cuenca, Spain
| | | | - Celia Álvarez-Bueno
- Universidad de Castilla-La Mancha, Health and Social Research Center, Cuenca, Spain
- Universidad Politécnica y Artística del Paraguay, Asunción, Paraguay
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Yu Y, Wang J, Huang X. The anti-depressant effects of a novel PDE4 inhibitor derived from resveratrol. PHARMACEUTICAL BIOLOGY 2021; 59:418-423. [PMID: 33847209 PMCID: PMC8049461 DOI: 10.1080/13880209.2021.1907422] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Revised: 02/23/2021] [Accepted: 03/18/2021] [Indexed: 06/01/2023]
Abstract
CONTEXT Resveratrol has shown anti-stress and anti-depressant-like abilities involved in inhibiting phosphodiesterase-4 (PDE4) enzyme. However, its application is limited due to its low efficacy, bioavailability and selectivity. OBJECTIVE This study synthesized a new resveratrol derivative RES003 and evaluated its PDE4 inhibitory and anti-depressant-like activities in vitro and in vivo, respectively. MATERIALS AND METHODS PDEs inhibitory activities were evaluated by radioactive tracer method. Anti-depressant-like activities of novel resveratrol analogue (RES003) at doses of 2.5, 5.0 and 10 mg/kg was investigated by sugar water consumption and forced swimming tests using male ICR mice under chronic unpredictable stress procedure for 10 days. A total of 84 mice were randomly distributed into seven groups (n = 12). Drugs and vehicle were administered (intra-gastric or intra-peritoneal) once a day from the first to the last day. The molecular mechanisms were identified by western blot. RESULTS RES003 showed more potent PDE4 inhibitory activity (half maximal inhibitory concentration (IC50), 0.87 μM) and better selectivity than resveratrol (IC50, 18.8 μM). RES003 could significantly increase the consumption of sugar water (p < 0.01) and immobility time (p < 0.01) compared to vehicle-treated stressed groups at doses of 5 and 10 mg/kg. Furthermore, RES003 could significantly increase the levels of cyclic adenosine monophosphate response element binding protein phosphorylation (10 mg/kg, p < 0.05) and brain-derived neurotrophic factor (BDNF) expression (5 and 10 mg/kg, p < 0.05 and 0.01) in mouse brain. DISCUSSION AND CONCLUSIONS RES003 could ameliorate chronic stress induced depression-like behaviours through inhibition of PDE4 and activation of cAMP-triggered phosphorylation of cAMP response element binding protein/BDNF signalling pathway. Consequently, RES003 is a promising lead compound for the treatment of depression.
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Affiliation(s)
- Yingcong Yu
- Wenzhou People’s Hospital, Clinical Institute Affiliated to Wenzhou Medical University, Wenzhou, PR China
| | - Jinhui Wang
- Wenzhou People’s Hospital, Clinical Institute Affiliated to Wenzhou Medical University, Wenzhou, PR China
| | - Xianfeng Huang
- School of Pharmacy & School of Medicine, Changzhou University, Changzhou, PR China
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Tang KS. Protective Effects of Polydatin Against Dementia-Related Disorders. Curr Neuropharmacol 2021; 19:127-135. [PMID: 32525774 PMCID: PMC8033983 DOI: 10.2174/1570159x18666200611144825] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2020] [Revised: 05/27/2020] [Accepted: 06/09/2020] [Indexed: 12/23/2022] Open
Abstract
Dementia is a collection of symptoms affecting a person's cognition. Dementia is debilitating, and therefore, finding an effective treatment is of utmost importance. Resveratrol, which exhibits neuroprotective effects, has low bioavailability. However, its glucoside polydatin is more bioavailable. Here, the evidence that supports the protective role of polydatin against dementia- related diseases such as Alzheimer's disease, vascular dementia, alcohol-related dementia, and Lewy body dementias is presented. The beneficial effects of polydatin from a mechanistic perspective are specifically emphasized in this review. Future directions in this area of research are also discussed.
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Affiliation(s)
- Kim S. Tang
- Address correspondence to this author at the School of Pharmacy, Monash University Malaysia, Jalan Lagoon Selatan, 47500 Bandar Sunway, Selangor, Malaysia; Tel: +60 3 5514-4958; E-mail:
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Elaboration of Trans-Resveratrol Derivative-Loaded Superparamagnetic Iron Oxide Nanoparticles for Glioma Treatment. NANOMATERIALS 2019; 9:nano9020287. [PMID: 30781702 PMCID: PMC6409721 DOI: 10.3390/nano9020287] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/09/2019] [Revised: 01/31/2019] [Accepted: 02/15/2019] [Indexed: 12/24/2022]
Abstract
In this work, new nanohybrids based on superparamagnetic iron oxide nanoparticles (SPIONs) were elaborated and discussed for the first time as nanovectors of a derivative molecule of trans-resveratrol (RSV), a natural antioxidant molecule, which can be useful for brain disease treatment. The derivative molecule was chemically synthesized (4’-hydroxy-4-(3-aminopropoxy) trans-stilbene: HAPtS) and then grafted onto SPIONs surface using an organosilane coupling agent, which is 3-chloropropyltriethoxysilane (CPTES) and based on nucleophilic substitution reactions. The amount of HAPtS loaded onto SPIONs surface was estimated by thermogravimetric analysis (TGA) and X-ray photoelectron spectroscopy (XPS) analyses at 116 µmol·g−1 SPIONs. The synthesized HAPtS molecule, as well as the associated nanohybrids, were fully characterized by transmission electron microscopy (TEM), XPS, TGA, infrared (IR) and UV-visible spectroscopies, dynamic light scattering (DLS), and zeta potential measurements. The in vitro biological assessment of the synthesized nanohybrid’s efficiency was carried out on C6 glioma cells and showed that the nanovector SPIONs-CPTES-HAPtS do not affect the mitochondrial metabolism (MTT test), but damage the plasma membrane (FDA test), which could contribute to limiting the proliferation of cancerous cells (clonogenic test) at a HAPtS concentration of 50 µM. These nanoparticles have a potential cytotoxic effect that could be used to eliminate cancer cells.
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Health Effects of Resveratrol: Results from Human Intervention Trials. Nutrients 2018; 10:nu10121892. [PMID: 30513922 PMCID: PMC6317057 DOI: 10.3390/nu10121892] [Citation(s) in RCA: 148] [Impact Index Per Article: 24.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2018] [Revised: 11/23/2018] [Accepted: 11/27/2018] [Indexed: 01/06/2023] Open
Abstract
The effect of resveratrol (RV) intake has been reviewed in several studies performed in humans with different health status. The purpose of this review is to summarize the results of clinical trials of the last decade, in which RV was determined in biological samples such as human plasma, urine, and feces. The topics covered include RV bioavailability, pharmacokinetics, effects on cardiovascular diseases, cognitive diseases, cancer, type 2 diabetes (T2D), oxidative stress, and inflammation states. The overview of the recent research reveals a clear tendency to identify RV in plasma, showing that its supplementation is safe. Furthermore, RV bioavailability depends on several factors such as dose, associated food matrix, or time of ingestion. Notably, enterohepatic recirculation of RV has been observed, and RV is largely excreted in the urine within the first four hours after consumption. Much of the research on RV in the last 10 years has focused on its effects on pathologies related to oxidative stress, inflammatory biomarkers, T2D, cardiovascular diseases, and neurological diseases.
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Assessment of spatial learning and memory in the Barnes maze task in rodents-methodological consideration. Naunyn Schmiedebergs Arch Pharmacol 2018; 392:1-18. [PMID: 30470917 PMCID: PMC6311199 DOI: 10.1007/s00210-018-1589-y] [Citation(s) in RCA: 133] [Impact Index Per Article: 22.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2018] [Accepted: 11/15/2018] [Indexed: 01/01/2023]
Abstract
Among the methods valuable for assessing spatial learning and memory impairments in rodents, the Barnes maze (BM) task deserves special attention. It is based on the assumption that the animal placed into the aversive environment should learn and remember the location of an escape box located below the surface of the platform. Different phases of the task allow to measure spatial learning, memory retrieval, and cognitive flexibility. Herein, we summarize current knowledge about the BM procedure, its variations and critical parameters measured in the task. We highlight confounding factors which should be taken into account when conducting BM task, discussing briefly its advantages and disadvantages. We then propose an extended version of the BM protocol which allows to measure different aspects of spatial learning and memory in rodents. We believe that this review will help to standardize the BM methodology across the laboratories and eventually make the results comparable.
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trans-Resveratrol ameliorates anxiety-like behaviors and fear memory deficits in a rat model of post-traumatic stress disorder. Neuropharmacology 2018; 133:181-188. [DOI: 10.1016/j.neuropharm.2017.12.035] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2017] [Revised: 12/04/2017] [Accepted: 12/19/2017] [Indexed: 11/23/2022]
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Lee G, Bae H. Therapeutic Effects of Phytochemicals and Medicinal Herbs on Depression. BIOMED RESEARCH INTERNATIONAL 2017; 2017:6596241. [PMID: 28503571 PMCID: PMC5414506 DOI: 10.1155/2017/6596241] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 12/14/2016] [Revised: 03/22/2017] [Accepted: 04/04/2017] [Indexed: 01/21/2023]
Abstract
Background. Depression is a recurrent, common, and potentially life-threatening psychiatric disease related to multiple assignable causes. Although conventional antidepressant therapy can help relieve symptoms of depression and prevent relapse of the illness, complementary therapies are required due to disadvantage of the current therapy such as adverse effects. Moreover, a number of studies have researched adjunctive therapeutic approaches to improve outcomes for depression patients. Purpose. One potential complementary method with conventional antidepressants involves the use of medicinal herbs and phytochemicals that provide therapeutic benefits. Studies have revealed beneficial effects of medical herbs and phytochemicals on depression and their central nervous system mechanism. Here, we summarize the current knowledge of the therapeutic benefits of phytochemicals and medicinal herbs against depression and describe their detailed mechanisms. Sections. There are two sections, phytochemicals against depression and medical herbs against depression, in this review. Conclusion. Use of phytomedicine may be an alternative option for the treatment of depression in case conventional drugs are not applicable due to their side effects, low effectiveness, or inaccessibility. However, the efficacy and safety of these phytomedicine treatments for depression have to be supported by clinical studies.
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Affiliation(s)
- Gihyun Lee
- Department of Physiology, College of Korean Medicine, Kyung Hee University, 26 Kyunghee-daero, Dongdaemun-gu, Seoul 02447, Republic of Korea
- Department of Research and Development, National Development Institute of Korean Medicine, 94 Hwarang-ro, Gyeongsan-si, Gyeongsangbuk-do 38540, Republic of Korea
| | - Hyunsu Bae
- Department of Physiology, College of Korean Medicine, Kyung Hee University, 26 Kyunghee-daero, Dongdaemun-gu, Seoul 02447, Republic of Korea
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He X, Li Z, Rizak JD, Wu S, Wang Z, He R, Su M, Qin D, Wang J, Hu X. Resveratrol Attenuates Formaldehyde Induced Hyperphosphorylation of Tau Protein and Cytotoxicity in N2a Cells. Front Neurosci 2017; 10:598. [PMID: 28197064 PMCID: PMC5281604 DOI: 10.3389/fnins.2016.00598] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2016] [Accepted: 12/15/2016] [Indexed: 02/05/2023] Open
Abstract
Recent studies have demonstrated that formaldehyde (FA)—induced neurotoxicity is important in the pathogenesis of Alzheimer's disease (AD). Elevated levels of FA have been associated with memory impairments and the main hallmarks of AD pathology, including β-amyloid plaques, tau protein hyperphosphorylation, and neuronal loss. Resveratrol (Res), as a polyphenol anti-oxidant, has been considered to have therapeutic potential for the treatment of AD. However, it has not been elucidated whether Res can exert its neuroprotective effects against FA-induced neuronal damages related to AD pathology. To answer this question, the effects of Res were investigated on Neuro-2a (N2a) cells prior to and after FA exposure. The experiments found that pre-treatment with Res significantly decreased FA-induced cytotoxicity, reduced cell apoptosis rates, and inhibited the hyperphosphorylation of tau protein at Thr181 in a dose-dependent manner. Further tests revealed that this effect was associated with the suppression of glycogen synthase kinase (GSK-3β) and calmodulin-dependent protein kinase II (CaMKII) activities, both of which are important kinases for tau protein hyperphosphorylation. In addition, Res was found to increase the activity of phosphoseryl/phosphothreonyl protein phosphatase-2A (PP2A). In summary, these findings provide evidence that Res protects N2a cells from FA-induced damages and suggests that inhibition of GSK-3β and CaMKII and the activation of PP2A by Res protect against the hyperphosphorylation and/or mediates the dephosphorylation of tau protein, respectively. These possible mechanisms underlying the neuroprotective effects of Res against FA-induced damages provide another perspective on AD treatment via inhibition of tau protein hyperhosphorylation.
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Affiliation(s)
- Xiaping He
- Key Laboratory of Animal Models and Human Disease Mechanisms of the Chinese Academy of Sciences and Yunnan Province, Kunming Institute of Zoology, Chinese Academy of SciencesKunming, China; Nerve System Coding Discipline Group, Kunming College of Life Science, University of the Chinese Academy of SciencesKunming, China; Yunnan Province Company Key Laboratory for TCM and Ethnic Drug of New Drug Creation, Yunnan Bai Yao Group Innovation and R&D Center, Yunnan Institute of Materia MedicaKunming, China
| | - Zhenhui Li
- Key Laboratory of Animal Models and Human Disease Mechanisms of the Chinese Academy of Sciences and Yunnan Province, Kunming Institute of Zoology, Chinese Academy of SciencesKunming, China; Nerve System Coding Discipline Group, Kunming College of Life Science, University of the Chinese Academy of SciencesKunming, China
| | - Joshua D Rizak
- Key Laboratory of Animal Models and Human Disease Mechanisms of the Chinese Academy of Sciences and Yunnan Province, Kunming Institute of Zoology, Chinese Academy of Sciences Kunming, China
| | - Shihao Wu
- Key Laboratory of Animal Models and Human Disease Mechanisms of the Chinese Academy of Sciences and Yunnan Province, Kunming Institute of Zoology, Chinese Academy of SciencesKunming, China; Nerve System Coding Discipline Group, Kunming College of Life Science, University of the Chinese Academy of SciencesKunming, China
| | - Zhengbo Wang
- Key Laboratory of Animal Models and Human Disease Mechanisms of the Chinese Academy of Sciences and Yunnan Province, Kunming Institute of Zoology, Chinese Academy of Sciences Kunming, China
| | - Rongqiao He
- State Key Laboratory of Brain and Cognitive Science, Institute of Biophysics, Chinese Academy of SciencesBeijing, China; Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of SciencesBeijing, China
| | - Min Su
- Yunnan Province Company Key Laboratory for TCM and Ethnic Drug of New Drug Creation, Yunnan Bai Yao Group Innovation and R&D Center, Yunnan Institute of Materia Medica Kunming, China
| | - Dongdong Qin
- Key Laboratory of Animal Models and Human Disease Mechanisms of the Chinese Academy of Sciences and Yunnan Province, Kunming Institute of Zoology, Chinese Academy of Sciences Kunming, China
| | - Jingkun Wang
- Yunnan Province Company Key Laboratory for TCM and Ethnic Drug of New Drug Creation, Yunnan Bai Yao Group Innovation and R&D Center, Yunnan Institute of Materia Medica Kunming, China
| | - Xintian Hu
- Key Laboratory of Animal Models and Human Disease Mechanisms of the Chinese Academy of Sciences and Yunnan Province, Kunming Institute of Zoology, Chinese Academy of SciencesKunming, China; CAS Center for Excellence in Brain Science and Intelligence Technology, Chinese Academy of SciencesShanghai, China; Kunming Primate Research Center, Kunming Institute of Zoology, Chinese Academy of SciencesKunming, China
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Xu Y, Zhang C, Wu F, Xu X, Wang G, Lin M, Yu Y, An Y, Pan J. Piperine potentiates the effects of trans-resveratrol on stress-induced depressive-like behavior: involvement of monoaminergic system and cAMP-dependent pathway. Metab Brain Dis 2016; 31:837-48. [PMID: 26946512 DOI: 10.1007/s11011-016-9809-y] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/19/2015] [Accepted: 02/17/2016] [Indexed: 12/26/2022]
Abstract
Stress can act as a precipitation factor in the onset of emotional disorders, particularly depression. Trans-resveratrol is a polyphenolic compound enriched in polygonum cuspidatum and has been found to exert antidepressant-like effects in our previous studies. In present study, we assessed the effects of trans-resveratrol used in combination with piperine, commonly known as a bioavailability enhancer, on chronic unpredictable mild stress-induced depressive-like behaviors and relevant molecular targets. Trans-resveratrol used alone reduced the immobility time of rats in the forced swimming test, with the maximal effects of trans-resveratrol around 60 % inhibition at the highest dose tested, 40 mg/kg. However, when a subthreshold dose of piperine, 2.5 mg/kg was used in combination with trans-resveratrol, the minimum effective dose of trans-resveratrol in reducing the immobility time was reduced to 20 mg/kg. Further evidence from neurochemical (monoamines in the frontal cortex and the hippocampus), biochemical (monoamine oxidase, MAO activities) and molecular biological (cAMP, PKA, CREB and BDNF) assays supported the findings in the behavioral studies. These results suggest that the co-treatment strategy with trans-resveratrol and piperine might be an alternative therapy that provides efficacious protection against chronic stress.
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Affiliation(s)
- Ying Xu
- Brain Institute, School of Pharmacy, Wenzhou Medical University, Wenzhou, Zhejiang Province, 325021, China
- Department of Pharmaceutical Sciences, School of Pharmacy and Pharmaceutical Sciences, State University of New York at Buffalo, Buffalo, NY, 14214, USA
| | - Chong Zhang
- Department of Pharmaceutical Sciences, School of Pharmacy and Pharmaceutical Sciences, State University of New York at Buffalo, Buffalo, NY, 14214, USA
| | - Feiyan Wu
- Brain Institute, School of Pharmacy, Wenzhou Medical University, Wenzhou, Zhejiang Province, 325021, China
| | - Xiaoxiao Xu
- Brain Institute, School of Pharmacy, Wenzhou Medical University, Wenzhou, Zhejiang Province, 325021, China
| | - Gang Wang
- Department of Clinical Pharmacy, Hangzhou First People's Hospital, Hangzhou, Zhejiang Province, 310006, China
| | - Mengmeng Lin
- Brain Institute, School of Pharmacy, Wenzhou Medical University, Wenzhou, Zhejiang Province, 325021, China
| | - Yingcong Yu
- Brain Institute, School of Pharmacy, Wenzhou Medical University, Wenzhou, Zhejiang Province, 325021, China
- Wenzhou Third Clinical Institute affiliated to Wenzhou Medical University, Wenzhou People's Hospital, Wenzhou, Zhejiang Province, 325000, China
| | - Yiran An
- University of Pittsburgh, Pittsburgh, PA, 15260, USA
| | - Jianchun Pan
- Brain Institute, School of Pharmacy, Wenzhou Medical University, Wenzhou, Zhejiang Province, 325021, China.
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Shojaei S, Ghavami S, Panjehshahin MR, Owji AA. Effects of Ethanol on the Expression Level of Various BDNF mRNA Isoforms and Their Encoded Protein in the Hippocampus of Adult and Embryonic Rats. Int J Mol Sci 2015; 16:30422-37. [PMID: 26703578 PMCID: PMC4691182 DOI: 10.3390/ijms161226242] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2015] [Revised: 11/29/2015] [Accepted: 12/14/2015] [Indexed: 01/19/2023] Open
Abstract
We aimed to compare the effects of oral ethanol (Eth) alone or combined with the phytoestrogen resveratrol (Rsv) on the expression of various brain-derived neurotrophic factor (BDNF) transcripts and the encoded protein pro-BDNF in the hippocampus of pregnant and embryonic rats. A low (0.25 g/kg body weight (BW)/day) dose of Eth produced an increase in the expression of BDNF exons I, III and IV and a decrease in that of the exon IX in embryos, but failed to affect BDNF transcript and pro-BDNF protein expression in adults. However, co-administration of Eth 0.25 g/kg·BW/day and Rsv led to increased expression of BDNF exons I, III and IV and to a small but significant increase in the level of pro-BDNF protein in maternal rats. A high (2.5 g/kg·BW/day) dose of Eth increased the expression of BDNF exons III and IV in embryos, but it decreased the expression of exon IX containing BDNF mRNAs in the maternal rats. While the high dose of Eth alone reduced the level of pro-BDNF in adults, it failed to change the levels of pro-BDNF in embryos. Eth differentially affects the expression pattern of BDNF transcripts and levels of pro-BDNF in the hippocampus of both adult and embryonic rats.
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Affiliation(s)
- Shahla Shojaei
- Department of Biochemistry and Recombinant Protein Laboratory, School of Medicine, Shiraz University of Medical Sciences, Shiraz 713484579, Iran.
| | - Saeid Ghavami
- Department of Human Anatomy and Cell Science, Faculty of Health Sciences College of Medicine, University of Manitoba, Winnipeg, MB R3E 0J9, Canada.
- Health Research Policy Centre, Shiraz University of Medical Sciences, Shiraz 713484579, Iran.
| | - Mohammad Reza Panjehshahin
- Department of Pharmacology, School of Medicine, Shiraz University of Medical Sciences, Shiraz 713484579, Iran.
| | - Ali Akbar Owji
- Research Center for Psychiatry and Behavioral Sciences, Shiraz University of Medical Sciences, Shiraz 713484579, Iran.
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Pang C, Cao L, Wu F, Wang L, Wang G, Yu Y, Zhang M, Chen L, Wang W, Lv W, Chen L, Zhu J, Pan J, Zhang H, Xu Y, Ding L. The effect of trans-resveratrol on post-stroke depression via regulation of hypothalamus–pituitary–adrenal axis. Neuropharmacology 2015; 97:447-56. [DOI: 10.1016/j.neuropharm.2015.04.017] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2015] [Revised: 04/15/2015] [Accepted: 04/18/2015] [Indexed: 12/29/2022]
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Sarubbo F, Ramis MR, Aparicio S, Ruiz L, Esteban S, Miralles A, Moranta D. Improving effect of chronic resveratrol treatment on central monoamine synthesis and cognition in aged rats. AGE (DORDRECHT, NETHERLANDS) 2015; 37:9777. [PMID: 25895558 PMCID: PMC4404420 DOI: 10.1007/s11357-015-9777-x] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/18/2014] [Accepted: 04/10/2015] [Indexed: 05/19/2023]
Abstract
Resveratrol is a polyphenol exhibiting antioxidant and neuroprotective effects in neurodegenerative diseases. However, neuroprotective properties during normal aging have not been clearly demonstrated. We analyzed the in vivo effects of chronic administration of resveratrol (20 mg/kg/day for 4 weeks) in old male rats (Wistar, 20 months), on tryptophan hydroxylase (TPH) and tyrosine hydroxylase (TH) activities which mediate central monoaminergic neurotransmitters synthesis, and besides, on hippocampal-dependent working memory test (radial maze). Our results show an age-related decline in neurochemical parameters that were reversed by resveratrol administration. The resveratrol treatment enhances serotonin (5-HT) levels in pineal gland, in hippocampus, and in striatum, and those of noradrenaline (NA) in hippocampus and also dopamine (DA) in striatum. These changes were largely due to an increased activity of TPH-1 (463 % in pineal gland), TPH-2 (70-51 % in hippocampus and striatum), and TH (150-36 % in hippocampus and striatum). Additionally, the observed hippocampal effects correlate with a resveratrol-induced restorative effect on working memory (radial maze). In conclusion, this study suggests resveratrol treatment as a restoring therapy for the impaired cognitive functions occurring along normal aging process, by preventing 5-HT, DA, and NA neurotransmission decline.
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Affiliation(s)
- F. Sarubbo
- />Laboratorio de Neurofisiología, Departamento de Biología, Instituto Universitario de Investigación en Ciencias de la Salud, Universidad de las Islas Baleares (UIB), Ctra. Valldemossa Km 7,5, 07122 Palma de Mallorca, Spain
| | - M. R. Ramis
- />Laboratorio de Neurofisiología, Departamento de Biología, Instituto Universitario de Investigación en Ciencias de la Salud, Universidad de las Islas Baleares (UIB), Ctra. Valldemossa Km 7,5, 07122 Palma de Mallorca, Spain
| | - S. Aparicio
- />Laboratorio de Neurofisiología, Departamento de Biología, Instituto Universitario de Investigación en Ciencias de la Salud, Universidad de las Islas Baleares (UIB), Ctra. Valldemossa Km 7,5, 07122 Palma de Mallorca, Spain
| | - L. Ruiz
- />Laboratorio de Neurofisiología, Departamento de Biología, Instituto Universitario de Investigación en Ciencias de la Salud, Universidad de las Islas Baleares (UIB), Ctra. Valldemossa Km 7,5, 07122 Palma de Mallorca, Spain
| | - S. Esteban
- />Laboratorio de Neurofisiología, Departamento de Biología, Instituto Universitario de Investigación en Ciencias de la Salud, Universidad de las Islas Baleares (UIB), Ctra. Valldemossa Km 7,5, 07122 Palma de Mallorca, Spain
| | - A. Miralles
- />Laboratorio de Neurofisiología, Departamento de Biología, Instituto Universitario de Investigación en Ciencias de la Salud, Universidad de las Islas Baleares (UIB), Ctra. Valldemossa Km 7,5, 07122 Palma de Mallorca, Spain
| | - D. Moranta
- />Laboratorio de Neurofisiología, Departamento de Biología, Instituto Universitario de Investigación en Ciencias de la Salud, Universidad de las Islas Baleares (UIB), Ctra. Valldemossa Km 7,5, 07122 Palma de Mallorca, Spain
- />Laboratorio de Infección e Inmunidad, Fundación de Investigación Sanitaria de las Islas Baleares (FISIB)-Instituto de Investigación Sanitaria de Palma (IdISPa), Centro de Investigación Biomédica en Red Enfermedades Respiratorias (CIBERES), Hospital Joan March, Mallorca, Spain
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16
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Ozacmak VH, Sayan-Ozacmak H, Barut F. Chronic treatment with resveratrol, a natural polyphenol found in grapes, alleviates oxidative stress and apoptotic cell death in ovariectomized female rats subjected to chronic cerebral hypoperfusion. Nutr Neurosci 2015; 19:176-86. [PMID: 26005194 DOI: 10.1179/1476830515y.0000000027] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
OBJECTIVES Resveratrol appears to have neuroprotective potential in various animal models of brain disorders including cerebral ischemia and neurodegenerative diseases. Chronic cerebral hypoperfusion is a well-known pathological condition contributing to the neurodegenerative diseases such as vascular dementia. Purpose of the present study is to evaluate the possible therapeutic potential of resveratrol in a model of vascular dementia of ovariectomized female rats. Assessment of the potential was based on the determination of brain oxidative status, caspase-3 level, glial fibrillary acidic protein (GFAP), and neuronal damage on hippocampus and cerebral cortex. METHODS For creating the model of chronic cerebral hypoperfusion, ovariectomized female Wistar rats were subjected to the modified two vessel occlusion method, with the right common carotid artery being occluded first and the left one a week later. RESULTS At the 15th day following the ligation, neuronal damage was accompanied by the increased immunoreactivities of both GFAP and caspase-3, and significant neurodegeneration was evident in the hippocampus and cortex, all of which were significantly alleviated with resveratrol treatment (10 mg/kg). Biochemical analysis revealed that the resveratrol treatment decreased lipid peroxidation and restored reduced glutathione level as well. DISCUSSION The collected data of the present study suggest that the administration of resveratrol may provide a remarkable therapeutic benefit for vascular dementia, which is most likely related to the prevention of both apoptotic cell death and oxidative stress. We believe that therapeutic efficacy of resveratrol deserves to be tested for potential clinical application in postmenopausal elderly women suffering from vascular dementia.
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Affiliation(s)
- Veysel Haktan Ozacmak
- a Department of Physiology , Bulent Ecevit University Medical School , Kozlu Zonguldak 67600 , Turkey
| | - Hale Sayan-Ozacmak
- a Department of Physiology , Bulent Ecevit University Medical School , Kozlu Zonguldak 67600 , Turkey
| | - Figen Barut
- a Department of Physiology , Bulent Ecevit University Medical School , Kozlu Zonguldak 67600 , Turkey
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17
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Ahmed RF, Abdel-Rahman RF, Farid OA, El-Marasy SA, Hessin AF. Combined hepatoprotective and antidepressant effects of resveratrol in an acute model of depression. ACTA ACUST UNITED AC 2014. [DOI: 10.1016/j.bfopcu.2014.06.002] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Pasinetti GM, Wang J, Ho L, Zhao W, Dubner L. Roles of resveratrol and other grape-derived polyphenols in Alzheimer's disease prevention and treatment. Biochim Biophys Acta Mol Basis Dis 2014; 1852:1202-8. [PMID: 25315300 DOI: 10.1016/j.bbadis.2014.10.006] [Citation(s) in RCA: 145] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2014] [Accepted: 10/03/2014] [Indexed: 12/11/2022]
Abstract
Alzheimer's disease (AD) is a devastating disorder that strikes 1 in 10 Americans over the age of 65, and almost half of all Americans over 85 years old. The odds of an individual developing AD double every five years after the age of 65. While it has become increasingly common to meet heart attack or cancer survivors, there are no AD survivors. There is mounting evidence that dietary polyphenols, including resveratrol, may beneficially influence AD. Based on this consideration, several studies reported in the last few years were designed to validate sensitive and reliable translational tools to mechanistically characterize brain bioavailable polyphenols as disease-modifying agents to help prevent the onset of AD dementia and other neurodegenerative disorders. Several research groups worldwide with expertise in AD, plant biology, nutritional sciences, and botanical sciences have reported very high quality studies that ultimately provided the necessary information showing that polyphenols and their metabolites, which come from several dietary sources, including grapes, cocoa etc., are capable of preventing AD. The ultimate goal of these studies was to provide novel strategies to prevent the disease even before the onset of clinical symptoms. The studies discussed in this review article provide support that the information gathered in the last few years of research will have a major impact on AD prevention by providing vital knowledge on the protective roles of polyphenols, including resveratrol. This article is part of a Special Issue entitled: Resveratrol: Challenges in translating pre-clinical findings to improved patient outcomes.
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Affiliation(s)
- Giulio Maria Pasinetti
- Department of Neurology, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; Department of Psychiatry, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; Department of Neuroscience, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; Geriatric Research, Education and Clinical Center, James J. Peters Veterans Affairs Medical Center, Bronx, NY 10468, USA.
| | - Jun Wang
- Department of Neurology, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; Geriatric Research, Education and Clinical Center, James J. Peters Veterans Affairs Medical Center, Bronx, NY 10468, USA
| | - Lap Ho
- Department of Neurology, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; Geriatric Research, Education and Clinical Center, James J. Peters Veterans Affairs Medical Center, Bronx, NY 10468, USA
| | - Wei Zhao
- Department of Neurology, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; Geriatric Research, Education and Clinical Center, James J. Peters Veterans Affairs Medical Center, Bronx, NY 10468, USA
| | - Lauren Dubner
- Department of Neurology, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
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19
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Huang W, Chen Z, Wang Q, Lin M, Wu S, Yan Q, Wu F, Yu X, Xie X, Li G, Xu Y, Pan J. Piperine potentiates the antidepressant-like effect of trans-resveratrol: involvement of monoaminergic system. Metab Brain Dis 2013; 28:585-95. [PMID: 23943324 DOI: 10.1007/s11011-013-9426-y] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/30/2013] [Accepted: 08/02/2013] [Indexed: 12/31/2022]
Abstract
Major depression is characterized by dysfunction of neuroendocrine and immune networks. Trans-resveratrol, a phenolic compound presented in polygonum cuspidatum, was demonstrated previously to exert antidepressant-like effects through regulating monoaminergic system, oxidative/antioxidant defense and inflammatory response. The present study investigated the synergistic antidepressant-like effect of trans-resveratrol and piperine, a bioavailability enhancer, in mice and explored the possible mechanism. Trans-resveratrol was shown to reduce the immobility time both in the tail suspension and forced swimming tests (TST and FST). But the maximal inhibition was nearly 60% even if the doses were increased by 160 mg/kg; while piperine produced weak antidepressant-like effects in these two models. The interaction between trans-resveratrol and piperine was shown a clear-cut synergistic effect as evidenced by an isobolographic analysis. The further study suggested that the anti-immobility response from the subthreshold dose of piperine (2.5 mg/kg) and low doses of trans-resveratrol (10 and 20 mg/kg) was abolished by pretreatment with para-chlorophenylalanine (PCPA, 300 mg/kg, i.p.) in TST and FST, indicating the involvement of serotonergic system. Moreover, treatment with the subthreshold dose of piperine and low doses of trans-resveratrol attenuated reserpine-induced hypothermia and ptosis arguing for the relevance of noradrenaline. Additional evidence from neurochemical (monoamines in the frontal cortex, hippocampus, and hypothalamus) and biochemical (monoamine oxidase, MAO activity) assays corroborated the synergistically elevated monoaminergic system after co-treatment with trans-resveratrol and piperine. The present results indicate the effect of trans-resveratrol combined with piperine on depressive-like behaviors may be partly due to the potentiated activation of monoaminergic system in the brain. Further studies are necessary to elucidate the involvement of the oxidative/nitrosative stress, inflammatory and neuroprotective pathway in the antidepressant-like effect of this combination. The synergistic effect obtained from the combination may provide innovative clues for designing novel antidepressants with high efficacy and low side effects.
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Affiliation(s)
- Wu Huang
- Brain Institute, Pharmacy School, Wenzhou Medical University, Wenzhou, Zhejiang province, 325021, People's Republic of China
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20
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Gomez JL, Luine VN. Female rats exposed to stress and alcohol show impaired memory and increased depressive-like behaviors. Physiol Behav 2013; 123:47-54. [PMID: 24096191 DOI: 10.1016/j.physbeh.2013.09.009] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2013] [Revised: 09/19/2013] [Accepted: 09/23/2013] [Indexed: 12/30/2022]
Abstract
Exposure to daily life stressors is associated with increases in anxiety, depression, and overall negative affect. Alcohol or other psychoactive drugs are often used to alleviate stress effects. While females are more than twice as likely to develop mood disorders and are more susceptible to dependency than males, they are infrequently examined. In this study, female rats received no stress/no alcohol control (CON), alcohol alone (ALC), stress alone (STR), or stress plus alcohol (STR+ALC). Stress consisted of restraint for 6h/day/7days, and alcohol was administered immediately following restraint via gastric gavage at a dose of 2.0g/kg. Dependent measures included tests utilizing object recognition (OR), Y-maze, elevated plus maze (EPM), forced swim (FST), blood alcohol content, corticosterone levels, and body weights. ALC, STR+ALC, but not stress alone, impaired memory on OR. All treatments impaired spatial memory on the Y-maze. Anxiety was not affected on the EPM, but rats treated with alcohol or in combination with stress showed increased immobility on the FST, suggestive of alcohol-induced depression. Previously, we found alcohol reversed deleterious effects of stress on memory and mood in males, but current results show that females reacted negatively when the two treatments were combined. Thus, responses to alcohol, stress and their combination suggest that sex specific treatments are needed for stress-induced behavioral changes and that self-medicating with alcohol to cope with stress maybe deleterious in females.
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Affiliation(s)
- J L Gomez
- Department of Psychology, Hunter College of CUNY, 695 Park Ave, New York, NY 10065, USA; Department of Psychology, The Graduate Center of CUNY, 365 Fifth Ave, New York, NY 10016, USA.
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21
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Sama DM, Norris CM. Calcium dysregulation and neuroinflammation: discrete and integrated mechanisms for age-related synaptic dysfunction. Ageing Res Rev 2013; 12:982-95. [PMID: 23751484 PMCID: PMC3834216 DOI: 10.1016/j.arr.2013.05.008] [Citation(s) in RCA: 81] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2013] [Revised: 05/27/2013] [Accepted: 05/30/2013] [Indexed: 12/30/2022]
Abstract
Some of the best biomarkers of age-related cognitive decline are closely linked to synaptic function and plasticity. This review highlights several age-related synaptic alterations as they relate to Ca(2+) dyshomeostasis, through elevation of intracellular Ca(2+), and neuroinflammation, through production of pro-inflammatory cytokines including interleukin-1 beta (IL-1β) and tumor necrosis factor-alpha (TNF-α). Though distinct in many ways, Ca(2+) and neuroinflammatory signaling mechanisms exhibit extensive cross-talk and bidirectional interactions. For instance, cytokine production in glial cells is strongly dependent on the Ca(2+) dependent protein phosphatase calcineurin, which shows elevated activity in animal models of aging and disease. In turn, pro-inflammatory cytokines, such as TNF, can augment the expression/activity of L-type voltage sensitive Ca(2+) channels in neurons, leading to Ca(2+) dysregulation, hyperactive calcineurin activity, and synaptic depression. Thus, in addition to discussing unique contributions of Ca(2+) dyshomeostasis and neuroinflammation, this review emphasizes how these processes interact to hasten age-related synaptic changes.
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Affiliation(s)
- Diana M Sama
- Department of Physiology, University of Kentucky College of Medicine, Lexington, KY 40536, USA; Spinal Cord and Brain Injury Research Center, University of Kentucky College of Medicine, Lexington, KY 40536, USA.
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Antidepressant-like effect of trans-resveratrol in chronic stress model: behavioral and neurochemical evidences. J Psychiatr Res 2013; 47:315-22. [PMID: 23174668 DOI: 10.1016/j.jpsychires.2012.10.018] [Citation(s) in RCA: 80] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/09/2012] [Revised: 10/26/2012] [Accepted: 10/30/2012] [Indexed: 12/30/2022]
Abstract
Trans-resveratrol is a phenolic compound enriched in polygonum cuspidatum and has diverse biological activities. There is only limited information about the antidepressant-like effect of trans-resveratrol. The present study investigated whether trans-resveratrol has antidepressant-like activity in rats exposed to chronic stress by using two behavioral tasks, shuttle box and sucrose preference tests. The monoamines (5-HT, noradrenaline and dopamine) and their metabolites as well as monoamine oxidase (MAO) enzyme activities in different brain regions were also measured. Compared to unstressed rats, those exposed to chronic stress paradigm showed performance deficits in the shuttle box, reduced sucrose preference, less weight gain and the increase in the ratio of adrenal gland to body weight, which were reversed by chronic treatment with trans-resveratrol (40 and 80 mg/kg, i.g.). The neurochemical assay showed that higher dose of trans-resveratrol (80 mg/kg) produced a marked increase of 5-HT levels in three brain regions, the frontal cortex, hippocampus and hypothalamus. Noradrenaline and dopamine levels were also increased both in the frontal cortex and striatum. Furthermore, chronic treatment with trans-resveratrol was found to inhibit monoamine oxidase-A (MAO-A) activity in all the four brain regions, particularly in the frontal cortex and hippocampus; while MAO-B activity was not affected. These findings indicate that the antidepressant-like effect of trans-resveratrol involves the regulation of the central serotonin and noradrenaline levels and the related MAO-A activities.
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Koz ST, Etem EO, Baydas G, Yuce H, Ozercan HI, Kuloğlu T, Koz S, Etem A, Demir N. Effects of resveratrol on blood homocysteine level, on homocysteine induced oxidative stress, apoptosis and cognitive dysfunctions in rats. Brain Res 2012; 1484:29-38. [PMID: 22995369 DOI: 10.1016/j.brainres.2012.09.026] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2012] [Revised: 09/11/2012] [Accepted: 09/13/2012] [Indexed: 12/14/2022]
Abstract
We aimed to examine the protective effects of resveratrol against homocysteine induced oxidative stress, apoptosis and cognitive impairment. Rats were randomly divided into three groups. Control group received standard rat food; homocysteine group (Hcy group) received daily methionine at a dose of 1g/kg-body weight dissolved in drinking water for thirty days; third group (Hcy+Res group) received same amount of methionine plus 20mg/kg/day resveratrol intraperitoneally for thirty days. Cognitive performances of the animals were tested by Morris water maze test. Then all animals were sacrificed to study lipid peroxidation (LPO), DNA fragmentation and p53 mRNA expression in the rat brain. The aortas of the sacrificed rats were processed for histopathological examination. Apoptosis in the aortas was assessed by TUNEL staining. Resveratrol significantly decreased serum levels of homocysteine, reversed Hcy induced LPO increase, decreased DNA fragmentation and p53 mRNA expression in the rat brains, and improved homocysteine induced impairment of long term spatial memory. Resveratrol could inhibit homocysteine induced apoptosis and histopathological deterioration in the rat aortic sections. In conclusion, resveratrol is effective in preventing homocysteine induced vascular and neural defects. In hyperhomocysteinemic rat model, our findings consequently warrant in future studies to reveal the true improvement mechanism of resveratrol.
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Affiliation(s)
- Sema Tulay Koz
- Malatya State Hospital, Laboratory Department, 44000 Malatya, Turkey.
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24
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What is new for an old molecule? Systematic review and recommendations on the use of resveratrol. PLoS One 2011; 6:e19881. [PMID: 21698226 PMCID: PMC3116821 DOI: 10.1371/journal.pone.0019881] [Citation(s) in RCA: 321] [Impact Index Per Article: 24.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2011] [Accepted: 04/06/2011] [Indexed: 01/04/2023] Open
Abstract
Background Resveratrol is a natural compound suggested to have beneficial health effects. However, people are consuming resveratrol for this reason without having the adequate scientific evidence for its effects in humans. Therefore, scientific valid recommendations concerning the human intake of resveratrol based on available published scientific data are necessary. Such recommendations were formulated after the Resveratrol 2010 conference, held in September 2010 in Helsingør, Denmark. Methodology Literature search in databases as PubMed and ISI Web of Science in combination with manual search was used to answer the following five questions: 1Can resveratrol be recommended in the prevention or treatment of human diseases?; 2Are there observed “side effects” caused by the intake of resveratrol in humans?; 3What is the relevant dose of resveratrol?; 4What valid data are available regarding an effect in various species of experimental animals?; 5Which relevant (overall) mechanisms of action of resveratrol have been documented? Conclusions/Significance The overall conclusion is that the published evidence is not sufficiently strong to justify a recommendation for the administration of resveratrol to humans, beyond the dose which can be obtained from dietary sources. On the other hand, animal data are promising in prevention of various cancer types, coronary heart diseases and diabetes which strongly indicate the need for human clinical trials. Finally, we suggest directions for future research in resveratrol regarding its mechanism of action and its safety and toxicology in human subjects.
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25
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Csiszar A. Anti-inflammatory effects of resveratrol: possible role in prevention of age-related cardiovascular disease. Ann N Y Acad Sci 2011; 1215:117-22. [PMID: 21261649 DOI: 10.1111/j.1749-6632.2010.05848.x] [Citation(s) in RCA: 129] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Cardiovascular diseases are the most common cause of death among the elderly in the Western world. Resveratrol (3,5,4'-trihydroxystilbene) is a plant-derived polyphenol that was shown to exert diverse anti-aging activity mimicking some of the molecular and functional effects of caloric restriction. This mini-review focuses on the molecular and cellular mechanisms activated by resveratrol in the vascular system, and explores the links between its anti-oxidative and anti-inflammatory effects, which could be exploited for the prevention or amelioration of vascular aging in the elderly.
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Affiliation(s)
- Anna Csiszar
- Reynolds Oklahoma Center on Aging, Department of Physiology, Oklahoma City, USA.
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Acute ethanol exposure disrupts actin cytoskeleton and generates reactive oxygen species in c6 cells. Toxicol In Vitro 2010; 25:28-36. [PMID: 20837132 DOI: 10.1016/j.tiv.2010.09.003] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2010] [Revised: 09/02/2010] [Accepted: 09/07/2010] [Indexed: 02/02/2023]
Abstract
Central nervous system dysfunctions are among the most significant effects of exposure to ethanol and the glial cells that play an important role in maintaining neuronal function, are extremely involved with these effects. The actin cytoskeleton plays a crucial role in a wide variety of cellular functions, especially when there is some injury. Therefore the aim of the present study was to analyze the short-term effects of ethanol (50, 100 and 200 mM) on the cytoskeleton of C6 glioma cells. Here we report that acute ethanol exposure profoundly disrupts the actin cytoskeleton in C6 cells decreasing stress fiber formation and downregulating RhoA and vinculin immunocontent. In contrast, microtubule and GFAP networks were not altered. We further demonstrate that anti-oxidants prevent ethanol-induced actin alterations, suggesting that the actions of ethanol on the actin cytoskeleton are related with generation of reactive oxygen species (ROS) in these cells. Our results show that ethanol at concentrations described to be toxic to the central nervous system was able to target the cytoskeleton of C6 cells and this effect could be related with increased ROS generation. Therefore, we propose that the dynamic restructuring of the cytoskeleton of glial cells might contribute to the response to the injury provoked by binge-like ethanol exposure in brain.
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Age-related defects in sensorimotor activity, spatial learning, and memory in C57BL/6 mice. J Neurosurg Anesthesiol 2010; 22:214-9. [PMID: 20479674 DOI: 10.1097/ana.0b013e3181d56c98] [Citation(s) in RCA: 55] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Impaired locomotor activity and spatial memory are common features in the natural aging process, and aging is an important risk factor for neurodegenerative disease and postoperative cognitive dysfunction. To characterize age-related changes in psychomotor performance, we assessed sensorimotor activity, spatial learning, and memory in C57BL/6 mice using the Rotarod, foot fault, and Barnes Maze tests. Old mice exhibit significant deficits in locomotor activity and spatial memory relative to young mice, but improve with training. These tests will be useful to assess outcome in neurodegenerative disease and postoperative cognitive dysfunction models carried out in aged mice.
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Maternal exposure to daidzein alters behaviour and oestrogen receptor α expression in adult female offspring. Behav Pharmacol 2010; 21:283-91. [DOI: 10.1097/fbp.0b013e32833aec1a] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Sun AY, Wang Q, Simonyi A, Sun GY. Resveratrol as a therapeutic agent for neurodegenerative diseases. Mol Neurobiol 2010; 41:375-83. [PMID: 20306310 DOI: 10.1007/s12035-010-8111-y] [Citation(s) in RCA: 233] [Impact Index Per Article: 16.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2009] [Accepted: 02/17/2010] [Indexed: 12/20/2022]
Abstract
Excess production of reactive oxygen species in the brain has been implicated as a common underlying risk factor for the pathogenesis of a number of neurodegenerative disorders, including Alzheimer's disease (AD), Parkinson's disease (PD), and stroke. In recent years, there is considerable interest concerning investigation of antioxidative and anti-inflammatory effects of phenolic compounds from different botanical sources. In this review, we first describe oxidative mechanisms associated with stroke, AD, and PD, and subsequently, we place emphasis on recent studies implicating neuroprotective effects of resveratrol, a polyphenolic compound derived from grapes and red wine. These studies show that the beneficial effects of resveratrol are not only limited to its antioxidant and anti-inflammatory action but also include activation of sirtuin 1 (SIRT1) and vitagenes, which can prevent the deleterious effects triggered by oxidative stress. In fact, SIRT1 activation by resveratrol is gaining importance in the development of innovative treatment strategies for stroke and other neurodegenerative disorders. The goal here is to provide a better understanding of the mode of action of resveratrol and its possible use as a potential therapeutic agent to ameliorate stroke damage as well as other age-related neurodegenerative disorders.
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Affiliation(s)
- Albert Y Sun
- Department of Medical Pharmacology and Physiology, University of Missouri, Columbia, MO 65212, USA.
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