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Zhu Y, Wang R, Fan Z, Luo D, Cai G, Li X, Han J, Zhuo L, Zhang L, Zhang H, Li Y, Wu S. Taurine Alleviates Chronic Social Defeat Stress-Induced Depression by Protecting Cortical Neurons from Dendritic Spine Loss. Cell Mol Neurobiol 2023; 43:827-840. [PMID: 35435537 PMCID: PMC9958166 DOI: 10.1007/s10571-022-01218-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Accepted: 03/22/2022] [Indexed: 12/15/2022]
Abstract
Abnormal amino acid metabolism in neural cells is involved in the occurrence and development of major depressive disorder. Taurine is an important amino acid required for brain development. Here, microdialysis combined with metabonomic analysis revealed that the level of taurine in the extracellular fluid of the cerebral medial prefrontal cortex (mPFC) was significantly reduced in mice with chronic social defeat stress (CSDS)-induced depression. Therefore, taurine supplementation may be usable an intervention for depression. We found that taurine supplementation effectively rescued immobility time during a tail suspension assay and improved social avoidance behaviors in CSDS mice. Moreover, taurine treatment protected CSDS mice from impairments in dendritic complexity, spine density, and the proportions of different types of spines. The expression of N-methyl D-aspartate receptor subunit 2A, an important synaptic receptor, was largely restored in the mPFC of these mice after taurine supplementation. These results demonstrated that taurine exerted an antidepressive effect by protecting cortical neurons from dendritic spine loss and synaptic protein deficits.
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Affiliation(s)
- Yuanyuan Zhu
- Department of Neurobiology, The School of Basic Medicine, The Fourth Military Medical University, Xi’an, 710032 Shaanxi China
| | - Rui Wang
- Department of Neurobiology, The School of Basic Medicine, The Fourth Military Medical University, Xi’an, 710032 Shaanxi China
| | - Ze Fan
- Department of Neurobiology, The School of Basic Medicine, The Fourth Military Medical University, Xi’an, 710032 Shaanxi China ,State Key Laboratory of Military Stomatology, Department of Anesthesiology, School of Stomatology, The Fourth Military Medical University, Xi’an, 710032 Shaanxi China
| | - Danlei Luo
- Department of Anesthesiology & Center for Brain Science, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, 710061 Shaanxi China
| | - Guohong Cai
- Department of Neurobiology, The School of Basic Medicine, The Fourth Military Medical University, Xi’an, 710032 Shaanxi China
| | - Xinyang Li
- Department of Anesthesiology & Center for Brain Science, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, 710061 Shaanxi China
| | - Jiao Han
- Department of Anesthesiology & Center for Brain Science, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, 710061 Shaanxi China
| | - Lixia Zhuo
- Department of Anesthesiology & Center for Brain Science, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, 710061 Shaanxi China
| | - Li Zhang
- Department of Neurobiology, The School of Basic Medicine, The Fourth Military Medical University, Xi’an, 710032 Shaanxi China
| | - Haifeng Zhang
- Department of Neurobiology, The School of Basic Medicine, The Fourth Military Medical University, Xi’an, 710032 Shaanxi China
| | - Yan Li
- Department of Anesthesiology & Center for Brain Science, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, Shaanxi, China.
| | - Shengxi Wu
- Department of Neurobiology, The School of Basic Medicine, The Fourth Military Medical University, Xi'an, 710032, Shaanxi, China.
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Giongo FK, Gallas-Lopes M, Benvenutti R, Sachett A, Bastos LM, Rosa AR, Herrmann AP. Effects of Taurine in Mice and Zebrafish Behavioral Assays With Translational Relevance to Schizophrenia. Int J Neuropsychopharmacol 2022; 26:125-136. [PMID: 36239455 PMCID: PMC9926054 DOI: 10.1093/ijnp/pyac073] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Revised: 09/15/2022] [Accepted: 10/12/2022] [Indexed: 11/07/2022] Open
Abstract
BACKGROUND Altered redox state and developmental abnormalities in glutamatergic and GABAergic transmission during development are linked to the behavioral changes associated with schizophrenia. As an amino acid that exerts antioxidant and inhibitory actions in the brain, taurine is a potential candidate to modulate biological targets relevant to this disorder. Here, we investigated in mice and zebrafish assays whether taurine prevents the behavioral changes induced by acute administration of MK-801 (dizocilpine), a glutamate N-methyl-D-aspartate (NMDA) receptor antagonist. METHODS C57BL/6 mice were i.p. administered with saline or taurine (50, 100, and 200 mg/kg) followed by MK-801 (0.15 mg/kg). Locomotor activity, social interaction, and prepulse inhibition of the acoustic startle reflex were then assessed in different sets of animals. Zebrafish were exposed to tank water or taurine (42, 150, and 400 mg/L) followed by MK-801 (5 µM); social preference and locomotor activity were evaluated in the same test. RESULTS MK-801 induced hyperlocomotion and disrupted sensorimotor gating in mice; in zebrafish, it reduced sociability and increased locomotion. Taurine was mostly devoid of effects and did not counteract NMDA antagonism in mice or zebrafish. DISCUSSION Contradicting previous clinical and preclinical data, taurine did not show antipsychotic-like effects in the present study. However, it still warrants consideration as a preventive intervention in animal models relevant to the prodromal phase of schizophrenia; further studies are thus necessary to evaluate whether and how taurine might benefit patients.
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Affiliation(s)
- Franciele Kich Giongo
- Laboratório de Neurobiologia e Psicofarmacologia Experimental (PsychoLab), Departamento de Farmacologia,Programa de Pós-Graduação em Farmacologia e Terapêutica
| | - Matheus Gallas-Lopes
- Laboratório de Neurobiologia e Psicofarmacologia Experimental (PsychoLab), Departamento de Farmacologia
| | | | | | - Leonardo Marensi Bastos
- Laboratório de Neurobiologia e Psicofarmacologia Experimental (PsychoLab), Departamento de Farmacologia
| | - Adriane Ribeiro Rosa
- Programa de Pós-Graduação em Farmacologia e Terapêutica,Laboratório de Psiquiatria Molecular, Hospital de Clínicas de Porto Alegre, Porto Alegre, Rio Grande do Sul, Brazil
| | - Ana Paula Herrmann
- Correspondence: Ana Paula Herrmann, PhD, Departamento de Farmacologia, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul. Rua Ramiro Barcelos 2600, Porto Alegre, Rio Grande do Sul, 90035-003, Brazil ()
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Elhussiny MZ, Tran PV, Tsuru Y, Haraguchi S, Gilbert ER, Cline MA, Bungo T, Furuse M, Chowdhury VS. Central Taurine Attenuates Hyperthermia and Isolation Stress Behaviors Augmented by Corticotropin-Releasing Factor with Modifying Brain Amino Acid Metabolism in Neonatal Chicks. Metabolites 2022; 12:metabo12010083. [PMID: 35050205 PMCID: PMC8781603 DOI: 10.3390/metabo12010083] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 01/13/2022] [Accepted: 01/13/2022] [Indexed: 01/01/2023] Open
Abstract
The objective of this study was to determine the effects of centrally administered taurine on rectal temperature, behavioral responses and brain amino acid metabolism under isolation stress and the presence of co-injected corticotropin-releasing factor (CRF). Neonatal chicks were centrally injected with saline, 2.1 pmol of CRF, 2.5 μmol of taurine or both taurine and CRF. The results showed that CRF-induced hyperthermia was attenuated by co-injection with taurine. Taurine, alone or with CRF, significantly decreased the number of distress vocalizations and the time spent in active wakefulness, as well as increased the time spent in the sleeping posture, compared with the saline- and CRF-injected chicks. An amino acid chromatographic analysis revealed that diencephalic leucine, isoleucine, tyrosine, glutamate, asparagine, alanine, β-alanine, cystathionine and 3-methylhistidine were decreased in response to taurine alone or in combination with CRF. Central taurine, alone and when co-administered with CRF, decreased isoleucine, phenylalanine, tyrosine and cysteine, but increased glycine concentrations in the brainstem, compared with saline and CRF groups. The results collectively indicate that central taurine attenuated CRF-induced hyperthermia and stress behaviors in neonatal chicks, and the mechanism likely involves the repartitioning of amino acids to different metabolic pathways. In particular, brain leucine, isoleucine, cysteine, glutamate and glycine may be mobilized to cope with acute stressors.
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Affiliation(s)
- Mohamed Z. Elhussiny
- Laboratory of Regulation in Metabolism and Behavior, Graduate School of Bioresource and Bioenvironmental Science, Kyushu University, Fukuoka 819-0395, Japan; (M.Z.E.); (P.V.T.); (Y.T.); (M.F.)
- Department of Animal & Poultry Behavior and Management, Faculty of Veterinary Medicine, Aswan University, Aswan 81528, Egypt
| | - Phuong V. Tran
- Laboratory of Regulation in Metabolism and Behavior, Graduate School of Bioresource and Bioenvironmental Science, Kyushu University, Fukuoka 819-0395, Japan; (M.Z.E.); (P.V.T.); (Y.T.); (M.F.)
| | - Yuriko Tsuru
- Laboratory of Regulation in Metabolism and Behavior, Graduate School of Bioresource and Bioenvironmental Science, Kyushu University, Fukuoka 819-0395, Japan; (M.Z.E.); (P.V.T.); (Y.T.); (M.F.)
| | - Shogo Haraguchi
- Department of Biochemistry, Showa University School of Medicine, Tokyo 142-8555, Japan;
| | - Elizabeth R. Gilbert
- School of Neuroscience, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061-0306, USA; (E.R.G.); (M.A.C.)
| | - Mark A. Cline
- School of Neuroscience, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061-0306, USA; (E.R.G.); (M.A.C.)
| | - Takashi Bungo
- Department of Bioresource Science, Graduate School of Biosphere Science, Hiroshima University, Higashi-Hiroshima 739-8528, Japan;
| | - Mitsuhiro Furuse
- Laboratory of Regulation in Metabolism and Behavior, Graduate School of Bioresource and Bioenvironmental Science, Kyushu University, Fukuoka 819-0395, Japan; (M.Z.E.); (P.V.T.); (Y.T.); (M.F.)
| | - Vishwajit S. Chowdhury
- Laboratory of Regulation in Metabolism and Behavior, Graduate School of Bioresource and Bioenvironmental Science, Kyushu University, Fukuoka 819-0395, Japan; (M.Z.E.); (P.V.T.); (Y.T.); (M.F.)
- Division of Experimental Natural Science, Faculty of Arts and Science, Kyushu University, Fukuoka 819-0395, Japan
- Correspondence:
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Madbouly N, Azmy A, Salama A, El-Amir A. The nephroprotective properties of taurine-amikacin treatment in rats are mediated through HSP25 and TLR-4 regulation. J Antibiot (Tokyo) 2021; 74:580-592. [PMID: 34253885 DOI: 10.1038/s41429-021-00441-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Accepted: 06/15/2021] [Indexed: 02/06/2023]
Abstract
Amikacin (AMK) is one of the most effective aminoglycoside antibiotics. However, nephrotoxicity is a major deleterious and dose-limiting side effect associated with its clinical use especially in high dose AMK-treated patients. The present study assessed the ability of taurine (TAU) to alleviate or prevent AMK-induced nephrotoxicity if co-administrated with AMK focusing on inflammation, apoptosis, and fibrosis. Male Sprague Dawley rats were assigned to six equal groups. Group 1: rats received saline (normal control), group 2: normal rats received 50 mg kg-1 TAU intraperitoneally (i.p.). Groups 3 and 4: received AMK (25 or 50 mg kg-1; i.p.). Groups 5 and 6: received TAU (50 mg kg-1; i.p.) concurrently with AMK (25 or 50 mg kg-1; i.p.) for 3 weeks. AMK-induced nephrotoxicity is evidenced by elevated levels of serum creatinine (CRE), blood urea nitrogen (BUN), and uric acid (UA). Histopathological investigations provoked damaging changes in the renal tissues. Heat shock proteins (HSP)25 and Toll-like receptor-4 (TLR-4) elevated levels were involved in the induction of inflammatory reactions and focal fibrosis. The improved activation of TLR-4 may stimulate monocytes to upgrade Interleukin (IL)-18 production rather than IL-10. TAU proved therapeutic effectiveness against AMK-induced renal toxicity through downregulation of HSP25, TLR-4, caspase-3, and IL-18 with up-regulation of IL-10 levels.
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Affiliation(s)
- Neveen Madbouly
- Zoology Department, Faculty of Science, Cairo University, Cairo, Egypt.
| | - Ayman Azmy
- Zoology Department, Faculty of Science, Cairo University, Cairo, Egypt
| | - Abeer Salama
- Pharmacology Department, National Research Centre, Cairo, Egypt
| | - Azza El-Amir
- Zoology Department, Faculty of Science, Cairo University, Cairo, Egypt
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Taurine Augments Telomerase Activity and Promotes Chondrogenesis in Dental Pulp Stem Cells. J Pers Med 2021; 11:jpm11060491. [PMID: 34072707 PMCID: PMC8228366 DOI: 10.3390/jpm11060491] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Revised: 05/24/2021] [Accepted: 05/28/2021] [Indexed: 12/30/2022] Open
Abstract
Background: Stem cell therapy has become an advanced and state-of-the-art procedure to regenerate lost tissues of the human body. Cartilage repair is a challenging task in which stem cells find potential application. One of the important biologic modifiers that can cause chondrogenic differentiation of stem cells is taurine. However, taurine has not been investigated for its effects on dental pulp derived stem cell (DPSC) chondrogenic differentiation. Objective: The objective of the study was to investigate if taurine administration to DPSCs heralds chondrogenic differentiation as ascertained by expression of SOX9, COL2A1, ACAN, ELN, and COMP. The study also investigated if the differentiated cells synthesized glycosaminoglycans, a marker of cartilage formation. The study also aimed to assess proliferative activity of the cells after taurine administration by measuring the hTERT gene and protein expression. Materials and methods: DPSCs were obtained from a molecular biology laboratory and characterization of stem cell markers was done by flow cytometry. The cells were subjected to a MTT assay using various concentrations of taurine. Following this, hTERT gene and protein estimation was done in the control, telomerase inhibitor treated DPSC (TI-III), 10 μM taurine treated DPSC, and TI-III + 10 μM taurine treated DPSCs. A polymerase chain reaction was done to assess gene expression of SOX9, COL2A1, ACAN, ELN, and COMP genes and glycosaminoglycans were estimated in control cells, Induced DPSCs, induced and TI-III treated DPSCs, and 10 μM taurine treated DPSCs. Results: DPSCs expressed CD73, CD90, and CD105 and did not express CD34, CD45, and HLA-DR, which demonstrated that they were mesenchymal stem cells. The MTT assay revealed that various concentrations of taurine did not affect the cell viability of DPSCs. A concentration of 10 μM of taurine was used for further assays. With regard to the hTERT gene and protein expression, the taurine treated cells expressed the highest levels that were statistically significant compared to the other groups. Taurine was also found to restore hTERT expression in telomerase inhibitor treated cells. With regard to chondrogenesis related genes, taurine administration significantly increased the expression of SOX9, COL2A1, ACAN, and ELN genes in DPSCs and caused a significant increase in glycosaminoglycan production by the cells. Conclusions: Taurine can be regarded a biologic modifier that can significantly augment chondrogenic differentiation of DPSCs and can find potential applications in regenerative medicine in the area of cartilage regeneration.
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Zhang W, Lan Z, Li K, Liu C, Jiang P, Lu W. Inhibitory role of taurine in the caudal neurosecretory Dahlgren cells of the olive flounder, Paralichthys olivaceus. Gen Comp Endocrinol 2020; 299:113613. [PMID: 32950586 DOI: 10.1016/j.ygcen.2020.113613] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Revised: 09/05/2020] [Accepted: 09/09/2020] [Indexed: 01/19/2023]
Abstract
Taurine plays role in neural development and physiological functions such as endocrine regulation in the central nervous system (CNS), and it is one of the most abundant free amino acid there. We investigated its potential effect as a neurotransmitter in the group of neuroendocrine Dahlgren cells at flounder Paralichthys olivaceus caudal neurosecretory system (CNSS). The application of taurine in vitro led to a reduction in electrical activity of Dahlgren cells, followed by a rise in the number of silent cells, at the same time the frequency of all three activity patterns (tonic, phasic, bursting) in Dahlgren cells was reduced. Both strychnine (a glycine receptor antagonist) and bicuculline (a GABAA receptor antagonist) can block the response to taurine separately. Transcriptome sequencing analysis showed the existence of glycine receptor (GlyR) and GABAA receptor (GABAAR) in the flounder CNSS, and the GlyR, GABAAR, and Cl- channel mRNA expression were significantly raised after taurine superfusion according to quantitative RT-PCR results. These data indicate that taurine may mediate Dahlgren cell population of CNSS activity in vivo through GlyR and GABAAR, thereby, regulating stress-response.
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Affiliation(s)
- Wei Zhang
- National Demonstration Center for Experimental Fisheries Science Education (Shanghai Ocean University), China; Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai 201306, China; International Research Center for Marine Biosciences at Shanghai Ocean University, Ministry of Science and Technology, China
| | - Zhaohui Lan
- National Demonstration Center for Experimental Fisheries Science Education (Shanghai Ocean University), China; Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai 201306, China; International Research Center for Marine Biosciences at Shanghai Ocean University, Ministry of Science and Technology, China
| | - Kunyu Li
- National Demonstration Center for Experimental Fisheries Science Education (Shanghai Ocean University), China; Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai 201306, China; International Research Center for Marine Biosciences at Shanghai Ocean University, Ministry of Science and Technology, China
| | - Cheng Liu
- National Demonstration Center for Experimental Fisheries Science Education (Shanghai Ocean University), China; Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai 201306, China; International Research Center for Marine Biosciences at Shanghai Ocean University, Ministry of Science and Technology, China
| | - Pengxin Jiang
- National Demonstration Center for Experimental Fisheries Science Education (Shanghai Ocean University), China; Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai 201306, China; International Research Center for Marine Biosciences at Shanghai Ocean University, Ministry of Science and Technology, China
| | - Weiqun Lu
- National Demonstration Center for Experimental Fisheries Science Education (Shanghai Ocean University), China; Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai 201306, China; International Research Center for Marine Biosciences at Shanghai Ocean University, Ministry of Science and Technology, China.
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Kokras N, Poulogiannopoulou E, Sotiropoulos MG, Paravatou R, Goudani E, Dimitriadou M, Papakonstantinou E, Doxastakis G, Perrea DN, Hloupis G, Angelis A, Argyropoulou A, Tsarbopoulos A, Skaltsounis AL, Dalla C. Behavioral and Neurochemical Effects of Extra Virgin Olive Oil Total Phenolic Content and Sideritis Extract in Female Mice. Molecules 2020; 25:molecules25215000. [PMID: 33126727 PMCID: PMC7663189 DOI: 10.3390/molecules25215000] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Revised: 10/20/2020] [Accepted: 10/23/2020] [Indexed: 11/16/2022] Open
Abstract
The aim of this study was to determine the cognitive and behavioral effects of extra virgin olive oil total phenolic content (TPC) and Sideritis (SID) extracts in female mice, and identify the associated neurochemical changes in the hippocampus and the prefrontal cortex. All animals received intraperitoneal low or high doses of TPC, SID or vehicle treatment for 7 days and were subjected to the Open Field (OF), Novel Object Recognition (NOR) and Tail Suspension Test (TST). The prefrontal cortex and hippocampus were dissected for analysis of neurotransmitters and aminoacids with high performance liquid chromatography with electrochemical detection (HPLC-ED). Both TPC doses enhanced vertical activity and center entries in the OF, which could indicate an anxiolytic-like effect. In addition, TPC enhanced non-spatial working memory and, in high doses, exerted antidepressant effects. On the other hand, high SID doses remarkably decreased the animals’ overall activity. Locomotor and exploratory activities were closely associated with cortical increases in serotonin turnover induced by both treatments. Cognitive performance was linked to glutamate level changes. Furthermore, TPC reduced cortical taurine levels, while SID reduced cortical aspartate levels. TPC seems to have promising cognitive, anxiolytic and antidepressant effects, whereas SID has sedative effects in high doses. Both extracts act in the brain, but their specific actions and properties merit further exploration.
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Affiliation(s)
- Nikolaos Kokras
- Department of Pharmacology, Medical School, National and Kapodistrian University of Athens, Mikras Asias 75, Goudi, 11527 Athens, Greece; (N.K.); (E.P.); (M.G.S.); (R.P.); (E.G.); (M.D.); (E.P.); (A.T.)
- First Department of Psychiatry, Eginition Hospital, Medical School, National and Kapodistrian University of Athens, Vas. Sofias Avenue 72–74, 11528 Athens, Greece
| | - Eleni Poulogiannopoulou
- Department of Pharmacology, Medical School, National and Kapodistrian University of Athens, Mikras Asias 75, Goudi, 11527 Athens, Greece; (N.K.); (E.P.); (M.G.S.); (R.P.); (E.G.); (M.D.); (E.P.); (A.T.)
| | - Marinos G. Sotiropoulos
- Department of Pharmacology, Medical School, National and Kapodistrian University of Athens, Mikras Asias 75, Goudi, 11527 Athens, Greece; (N.K.); (E.P.); (M.G.S.); (R.P.); (E.G.); (M.D.); (E.P.); (A.T.)
| | - Rafaella Paravatou
- Department of Pharmacology, Medical School, National and Kapodistrian University of Athens, Mikras Asias 75, Goudi, 11527 Athens, Greece; (N.K.); (E.P.); (M.G.S.); (R.P.); (E.G.); (M.D.); (E.P.); (A.T.)
| | - Eleni Goudani
- Department of Pharmacology, Medical School, National and Kapodistrian University of Athens, Mikras Asias 75, Goudi, 11527 Athens, Greece; (N.K.); (E.P.); (M.G.S.); (R.P.); (E.G.); (M.D.); (E.P.); (A.T.)
| | - Maria Dimitriadou
- Department of Pharmacology, Medical School, National and Kapodistrian University of Athens, Mikras Asias 75, Goudi, 11527 Athens, Greece; (N.K.); (E.P.); (M.G.S.); (R.P.); (E.G.); (M.D.); (E.P.); (A.T.)
| | - Electra Papakonstantinou
- Department of Pharmacology, Medical School, National and Kapodistrian University of Athens, Mikras Asias 75, Goudi, 11527 Athens, Greece; (N.K.); (E.P.); (M.G.S.); (R.P.); (E.G.); (M.D.); (E.P.); (A.T.)
| | - George Doxastakis
- Electronic Devices and Materials Laboratory, Department of Electrical and Electronic Engineering, School of Engineering, University of West Attica, Agiou Spiridonos 28, Egaleo, 12243 Athens, Greece; (G.D.); (G.H.)
| | - Despina N. Perrea
- Laboratory of Experimental Surgery and Surgical Research N.S. Christeas, Medical School, National and Kapodistrian University of Athens, Mikras Asias 75, Goudi, 11521 Athens, Greece;
| | - George Hloupis
- Electronic Devices and Materials Laboratory, Department of Electrical and Electronic Engineering, School of Engineering, University of West Attica, Agiou Spiridonos 28, Egaleo, 12243 Athens, Greece; (G.D.); (G.H.)
| | - Apostolis Angelis
- Department of Pharmacognosy and Natural Products Chemistry, Faculty of Pharmacy, National and Kapodistrian University of Athens, Panepistimiopolis Zografou, 15771 Athens, Greece; (A.A.); (A.A.); (A.-L.S.)
| | - Aikaterini Argyropoulou
- Department of Pharmacognosy and Natural Products Chemistry, Faculty of Pharmacy, National and Kapodistrian University of Athens, Panepistimiopolis Zografou, 15771 Athens, Greece; (A.A.); (A.A.); (A.-L.S.)
| | - Anthony Tsarbopoulos
- Department of Pharmacology, Medical School, National and Kapodistrian University of Athens, Mikras Asias 75, Goudi, 11527 Athens, Greece; (N.K.); (E.P.); (M.G.S.); (R.P.); (E.G.); (M.D.); (E.P.); (A.T.)
- Bioanalytical Department, GAIA Research Center, The Goulandris Natural History Museum, Othonos 100, Kifissia, 14562 Athens, Greece
| | - Alexios-Leandros Skaltsounis
- Department of Pharmacognosy and Natural Products Chemistry, Faculty of Pharmacy, National and Kapodistrian University of Athens, Panepistimiopolis Zografou, 15771 Athens, Greece; (A.A.); (A.A.); (A.-L.S.)
| | - Christina Dalla
- Department of Pharmacology, Medical School, National and Kapodistrian University of Athens, Mikras Asias 75, Goudi, 11527 Athens, Greece; (N.K.); (E.P.); (M.G.S.); (R.P.); (E.G.); (M.D.); (E.P.); (A.T.)
- Correspondence:
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Creatine and taurine mixtures alleviate depressive-like behaviour in Drosophila melanogaster and mice via regulating Akt and ERK/BDNF pathways. Sci Rep 2020; 10:11370. [PMID: 32647316 PMCID: PMC7347602 DOI: 10.1038/s41598-020-68424-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2020] [Accepted: 06/23/2020] [Indexed: 12/13/2022] Open
Abstract
We investigated the antidepressant effect of creatine (CRE) and taurine (TAU) mixtures on behavioural changes and biomarkers in stress-induced depression in Drosophila melanogaster and a mouse model. Following CRE/TAU mixture administration in the Drosophila model, depression-like state induced by vibration, locomotion, climbing activity, and survival rate were measured. The normal stress (NS) group demonstrated decreased movement than the control (CON) group; movements in the CRE/TAU-treated group (particularly 0.15/0.5%) returned to the CON levels. Antidepressant effects of CRE/TAU mixtures were confirmed in a depressive mouse model induced by chronic mild stress. In behavioural assessments, movement and sucrose preference of the CRE/TAU group increased to a similar level as in the positive control group; hippocampal catecholamine and serotonin levels increased significantly. Stress-related hormones (adrenocorticotropic and corticotropin-releasing hormones) and inflammatory factors (IL-1β, IL-6, and TNF-α) increased in the NS group but significantly decreased in the CRE/TAU-treated group. Brain signalling protein expression ratio of phosphorylated protein kinase B (p-Akt)/Akt, phosphorylated extracellular signal-regulated kinase (p-ERK)/ERK, and brain-derived neurotrophic factor (BDNF) significantly increased in the CRE/TAU-treated group. These results indicate that CRE/TAU-induced antidepressant effects are associated with increased behavioural patterns and downregulation of stress hormones and cytokines, mediated through Akt and ERK/BDNF pathways in vertebrate models.
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Donaire R, Papini MR, Torres C. Effects of alcohol consumption induced by reward loss on behavior in the hole-board test. Behav Processes 2020; 176:104135. [DOI: 10.1016/j.beproc.2020.104135] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2020] [Revised: 03/26/2020] [Accepted: 05/03/2020] [Indexed: 11/29/2022]
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10
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Zalachoras I, Hollis F, Ramos-Fernández E, Trovo L, Sonnay S, Geiser E, Preitner N, Steiner P, Sandi C, Morató L. Therapeutic potential of glutathione-enhancers in stress-related psychopathologies. Neurosci Biobehav Rev 2020; 114:134-155. [DOI: 10.1016/j.neubiorev.2020.03.015] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2019] [Revised: 03/09/2020] [Accepted: 03/12/2020] [Indexed: 12/11/2022]
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11
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Celecoxib potentiates the antianxiety and anticompulsive-like activity of fluoxetine against chronic unpredictable mild stress in experimental animals. Behav Pharmacol 2020; 30:251-259. [PMID: 30724800 DOI: 10.1097/fbp.0000000000000468] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Obsessive-compulsive disorder (OCD) is considered a heterogeneous anxiety disorder that includes compulsions. Celecoxib is considered an adjuvant to fluoxetine in the management of OCD in a clinical study. However, the experimental evidence is yet to be established. Therefore, the antianxiety and anticompulsive-like activity of celecoxib (20 mg/kg, orally) was evaluated in the presence or absence of fluoxetine (20 mg/kg, orally) in mice who were exposed to chronic unpredictable mild stress (CUMS) for 14 consecutive days. Seven-day treatment of celecoxib significantly attenuated the CUMS-induced anxiety in open-field, hole-board, elevated plus maze tests, and compulsion in the marble-burying test. Celecoxib significantly reversed the CUMS-induced decrease and increase in the levels of serotonin (5-HT) and its metabolite (5-hydroxyindole acetic acid) in the prefrontal cortex, and attenuated the CUMS-induced increase in the levels of inflammatory markers such as interleukin-6 and tumor necrosis factor-α, and apoptosis marker caspase-3 in the prefrontal cortex. Celecoxib also potentiated the anxiolytic, anticompulsive, serotonergic, anti-inflammatory, and antiapoptotic activity of 7-day treatment with fluoxetine in CUMS-challenged animals compared with their monotherapy. Thus, it can be speculated that the combination of an anti-inflammatory agent with selective serotonin reuptake inhibitor could be a better therapeutic option in the management of stress-related disorders including selective serotonin reuptake inhibitor-resistant OCD.
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12
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Ates M, Kizildag S, Yuksel O, Hosgorler F, Yuce Z, Guvendi G, Kandis S, Karakilic A, Koc B, Uysal N. Dose-Dependent Absorption Profile of Different Magnesium Compounds. Biol Trace Elem Res 2019; 192:244-251. [PMID: 30761462 DOI: 10.1007/s12011-019-01663-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/02/2018] [Accepted: 02/04/2019] [Indexed: 02/07/2023]
Abstract
Magnesium, one of the basic elements for the human body, is necessary for many physiological functions. Magnesium deficiency is widely observed as a result of the reduced nutrient content of foods, over-cooking, diseases, drugs, alcohol, and caffeine consumption. Taking a dietary supplement is necessary magnesium deficiency. It has been demonstrated that absorption of organic magnesium compounds is better than absorption of inorganic compounds. The aim of this study is to investigate transitions to tissues of different organic magnesium compounds in different doses and whether there is a difference in the organic acid-bounded compounds (magnesium citrate and magnesium malate) and the amino acid-bounded compounds (magnesium acetyl taurate and magnesium glycinate), associated with transition and bioavailability. In addition, the effects of split dosages of high doses in a high volume of solvent on tissue magnesium levels are being investigated, because galenic formulation problems are regarded to prepare convenient dosage that can be taken once a day. All magnesium compounds were administered as three different doses, 45, 135, and 405 mg/70 kg elemental magnesium, were given per orally to Balbc mice. In a second set of experiments, 405 mg/70 kg high dose was divided into two doses of 202.5 mg/70 kg each and administered every 12 h. Brain, muscle tissues, and serum magnesium levels measured in all experimental groups and control 24 h later. Brain magnesium levels were found increased in all magnesium acetyl taurate administered subjects. Magnesium citrate increased muscle and brain magnesium levels in a dose-independent manner. We showed that dividing high doses of daily administered magnesium compounds did not sufficiently increase tissue magnesium levels. Although passive paracellular mechanism by solvent drag is the main mechanism of Mg absorption, other factors (electrochemical gradient effects, transcellular transporter mechanisms, magnesium status) should be effective on our results. It is necessary for further research on long-term administration of different magnesium compounds and their effect on other tissues.
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Affiliation(s)
- Mehmet Ates
- College of Vocational School of Health Services, School of Medicine, Dokuz Eylul University, Balcova, Izmir, Turkey
| | - Servet Kizildag
- College of Vocational School of Health Services, School of Medicine, Dokuz Eylul University, Balcova, Izmir, Turkey
| | - Oguz Yuksel
- Department of Sports Medicine, School of Medicine, Dokuz Eylul University, Balcova, Izmir, Turkey
| | - Ferda Hosgorler
- Department of Physiology, School of Medicine, Dokuz Eylul University, Balcova, Izmir, Turkey
| | - Zeynep Yuce
- Department of Medical Biology and Genetics, School of Medicine, Dokuz Eylul University, Izmir, Turkey
| | - Guven Guvendi
- Department of Physiology, School of Medicine, Dokuz Eylul University, Balcova, Izmir, Turkey
| | - Sevim Kandis
- Department of Physiology, School of Medicine, Dokuz Eylul University, Balcova, Izmir, Turkey
| | - Aslı Karakilic
- Department of Physiology, School of Medicine, Dokuz Eylul University, Balcova, Izmir, Turkey
| | - Basar Koc
- Department of Physiology, School of Medicine, Dokuz Eylul University, Balcova, Izmir, Turkey
| | - Nazan Uysal
- Department of Physiology, School of Medicine, Dokuz Eylul University, Balcova, Izmir, Turkey.
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13
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Francisco EDS, Mendes-da-Silva RF, de Castro CBL, Soares GDSF, Guedes RCA. Taurine/Pilocarpine Interaction in the Malnourished Rat Brain: A Behavioral, Electrophysiological, and Immunohistochemical Analysis. Front Neurosci 2019; 13:981. [PMID: 31619952 PMCID: PMC6759493 DOI: 10.3389/fnins.2019.00981] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2019] [Accepted: 08/30/2019] [Indexed: 12/05/2022] Open
Abstract
This study aimed to evaluate the possible protective role of taurine on anxiety-like behavior, brain electrical activity and glial cell immunoreactivity in well-nourished and malnourished rats that were treated with a subconvulsing dose of pilocarpine. Newborn Wistar rats were subjected to normal or unfavorable lactation conditions, represented by the suckling of litters with 9 or 15 pups, resulting in well-nourished and malnourished animals, respectively. Each nutritional group was split into five subgroups that were treated from postnatal day (PND) 35 to 55 with 300 mg/kg/day of taurine + 45 mg/kg/day of pilocarpine (group T + P), taurine only (group T), pilocarpine only (group P), vehicle control (group V), or not treated control (group naïve; Nv). At PND56-58, the groups were subjected to the elevated plus-maze behavioral tests. Glycemia was measured on PND59. Between PND60 and PND65, the cortical spreading depression (CSD) was recorded in the cerebral cortex, and the levels of malondialdehyde and microglial and astrocyte immunoreactivity were evaluated in the cortex and hippocampus. Our data indicate that treatment with taurine and pilocarpine resulted in anxiolytic-like and anxiogenic behavior, respectively, and that nutritional deficiency modulated these effects. Both treatments decelerated CSD propagation and modulated GFAP- and Iba1-containing glial cells. Pilocarpine reduced body weight and glycemia, and administration of taurine was not able to attenuate the effects of pilocarpine. The molecular mechanisms underlying taurine action on behavioral and electrophysiological parameters in the normal and altered brain remain to be further explored.
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14
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Alia AO, Petrunich-Rutherford ML. Anxiety-like behavior and whole-body cortisol responses to components of energy drinks in zebrafish ( Danio rerio). PeerJ 2019; 7:e7546. [PMID: 31497403 PMCID: PMC6707341 DOI: 10.7717/peerj.7546] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2019] [Accepted: 07/25/2019] [Indexed: 12/02/2022] Open
Abstract
The current study investigated the independent and combined effects of caffeine and taurine on anxiety-like behavior and neuroendocrine responses in adult zebrafish (Danio rerio). Caffeine (1,3,7-trimethylpurine-2,6-dione), the world’s most commonly used psychoactive drug, acts as an adenosine receptor blocker and a mild central nervous system stimulant. However, excessive use of caffeine is associated with heightened anxiety levels. Taurine (2-aminoethanesulfonic acid), a semi-essential amino acid synthesized within the human brain, has been hypothesized to play a role in regulating anxiolytic behavior. Caffeine and taurine are two common additives in energy drinks and are often found in high concentrations in these beverages. However, few studies have investigated the interaction of these two chemicals with regards to anxiety measures. A suitable vertebrate to examine anxiety-like behavior and physiological stress responses is the zebrafish, which has shown promise due to substantial physiological and genetic homology with humans. Anxiety-like behavior in zebrafish can be determined by analyzing habituation to novelty when fish are placed into a novel tank and scototaxis (light avoidance) behavior in the light-dark test. Stress-related neuroendocrine responses can be measured in zebrafish by analyzing whole-body cortisol levels. The goal of this study was to determine if exposure to caffeine, taurine, or a combination of the two compounds altered anxiety-like behavior and whole-body cortisol levels in zebrafish relative to control. Zebrafish were individually exposed to either caffeine (100 mg/L), taurine (400 mg/L), or both for 15 min. Zebrafish in the control group were handled in the same manner but were only exposed to system tank water. After treatment, fish were transferred to the novel tank test or the light-dark test. Behavior was tracked for the first 6 min in the novel tank and 15 min in the light-tark test. Fifteen min after introduction to the behavioral task, fish were euthanized for the analysis of whole-body cortisol levels. The results demonstrate that caffeine treatment decreased the amount of exploration in the top of the novel tank and increased scototaxis behavior in the light-dark test, which supports the established anxiogenic effect of acute exposure to caffeine. Taurine alone did not alter basal levels of anxiety-like behavioral responses nor ameliorated the anxiogenic effects of caffeine on behavior when the two compounds were administered concurrently. None of the drug treatments altered basal levels of whole-body cortisol. The current results of this study suggest that, at least at this dose and time of exposure, taurine does not mitigate the anxiety-producing effects of caffeine when administered in combination, such as with energy drink consumption.
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Affiliation(s)
- Alia O Alia
- Department of Psychology, Indiana University Northwest, Gary, IN, USA
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15
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Gupta SK, Patel SK, Tomar MS, Singh SK, Mesharam MK, Krishnamurthy S. Long-term exposure of 2450 MHz electromagnetic radiation induces stress and anxiety like behavior in rats. Neurochem Int 2019; 128:1-13. [DOI: 10.1016/j.neuint.2019.04.001] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2018] [Revised: 03/20/2019] [Accepted: 04/01/2019] [Indexed: 02/07/2023]
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16
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Park E, Elidrissi A, Schuller-Levis G, Chadman KK. Taurine Partially Improves Abnormal Anxiety in Taurine-Deficient Mice. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2019; 1155:905-921. [PMID: 31468456 DOI: 10.1007/978-981-13-8023-5_76] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/17/2023]
Abstract
Taurine is abundant in various tissues including the brain, muscle, heart, spleen, liver and kidney with various physiological functions. Since taurine is produced by cysteine sulfinic acid decarboxylase (CSAD) in the liver and kidney, taurine-deficient mice without CSAD have been investigated for abnormal physiological functions such as retinal development, immune, pancreatic and liver function. In this study, the behavioral effects and abnormal brain development caused by low taurine in the developing brain were examined. In neonatal brains of homozygous CSAD knockout mice (HO), taurine was reduced by 85%, compared to wild-type mice (WT). Taurine was reduced by 35% in the brains of 2 month-old HO, compared to WT. Anxiety, motor coordination and autistic-like behaviors were evaluated at 2 months of age using five behavioral tests: elevated plus maze, open field, social approach, marble burying and accelerating rotarod. Mice were tested from 3 groups including WT, HO and HO with oral treatment of 0.2% taurine in the drinking water (HOT). HOT were born from HO dams treated with taurine from before pregnancy and were continuously treated with taurine in the drinking water after weaning. The taurine levels in the brain and plasma of HOT were restored to WT at 2 months of age. Taurine-deficiency did not lead to changes in autistic-like behaviors as the HO were not significantly different from WT in marble burying and social approach. However, taurine-deficiency increased anxiety-like behavior in HO in the elevated plus maze and open field, compared to WT. Taurine treatment significantly restored the HOT to WT levels of anxiety-like behavior in the elevated plus maze. However, changes in exploratory activity in the open field were not improved with taurine treatment. There was a slight difference in motor ability as the WT mice stayed on the accelerating rotarod longer that the HO and HOT, but the difference was significant in the HOT during the first trial only, compared to WT.These data support hypothesis that taurine is essential for the emotional development of the brain. First, taurine is remarkably low in the neonatal brain of HO, compared to the adult brain of HO. Second, taurine treatment in HO partially improves anxiety-like behavior to WT.
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Affiliation(s)
- Eunkyue Park
- Department of Developmental Neurobiology, New York Institute for Basic Research in Developmental Disabilities, Staten Island, NY, USA.
| | - Abdeslem Elidrissi
- Department of Biological Science, College of Staten Island, Staten Island, NY, USA
| | - Georgia Schuller-Levis
- Department of Developmental Neurobiology, New York Institute for Basic Research in Developmental Disabilities, Staten Island, NY, USA
| | - Kathryn K Chadman
- Department of Developmental Neurobiology, New York Institute for Basic Research in Developmental Disabilities, Staten Island, NY, USA
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17
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Jung JH, Kim SJ. Anxiolytic Action of Taurine via Intranasal Administration in Mice. Biomol Ther (Seoul) 2019; 27:450-456. [PMID: 30917626 PMCID: PMC6720536 DOI: 10.4062/biomolther.2018.218] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2018] [Revised: 01/20/2019] [Accepted: 02/20/2019] [Indexed: 02/02/2023] Open
Abstract
Taurine has a number of beneficial pharmacological actions in the brain such as anxiolytic and neuroprotective actions. We explored to test whether taurine could be transported to the central nervous system through the intranasal route. Following intranasal administration of taurine in mice, elevated plus maze test, activity cage test and rota rod test were carried out to verify taurine's effect on anxiety. For the characterization of potential mechanism of taurine's anti-anxiety action, mouse convulsion tests with strychnine, picrotoxin, yohimbine, and isoniazid were employed. A significant increase in the time spent in the open arms was observed when taurine was administered through the nasal route in the elevated plus maze test. In addition, vertical and horizontal activities of mice treated with taurine via intranasal route were considerably diminished. These results support the hypothesis that taurine can be transported to the brain through intranasal route, thereby inducing anti-anxiety activity. Taurine's anti-anxiety action may be mediated by the strychnine-sensitive glycine receptor as evidenced by the inhibition of strychnine-induced convulsion.
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Affiliation(s)
- Jung Hwa Jung
- Department of Pharmacology and Toxicology and Metabolic Diseases Research Laboratory, School of Dentistry, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Sung-Jin Kim
- Department of Pharmacology and Toxicology and Metabolic Diseases Research Laboratory, School of Dentistry, Kyung Hee University, Seoul 02447, Republic of Korea
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18
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MacDonald K, Krishnan A, Cervenka E, Hu G, Guadagno E, Trakadis Y. Biomarkers for major depressive and bipolar disorders using metabolomics: A systematic review. Am J Med Genet B Neuropsychiatr Genet 2019; 180:122-137. [PMID: 30411484 DOI: 10.1002/ajmg.b.32680] [Citation(s) in RCA: 62] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/04/2018] [Revised: 07/10/2018] [Accepted: 08/15/2018] [Indexed: 12/21/2022]
Abstract
Major depressive disorder (MDD) and bipolar disorder (BD) lack robust biomarkers useful for screening purposes in a clinical setting. A systematic review of the literature was conducted on metabolomic studies of patients with MDD or BD through the use of analytical platforms such as in vivo brain imaging, mass spectrometry, and nuclear magnetic resonance. Our search identified a total of 7,590 articles, of which 266 articles remained for full-text revision. Overall, 249 metabolites were found to be dysregulated with 122 of these metabolites being reported in two or more of the studies included. A list of biomarkers for MDD and BD established from metabolites found to be abnormal, along with the number of studies supporting each metabolite and a comparison of which biological fluids they were reported in, is provided. Metabolic pathways that may be important in the pathophysiology of MDD and BD were identified and predominantly center on glutamatergic metabolism, energy metabolism, and neurotransmission. Using online drug registries, we also illustrate how metabolomics can facilitate the discovery of novel candidate drug targets.
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Affiliation(s)
- Kellie MacDonald
- Department of Human Genetics, McGill University, Montreal, Quebec
| | - Ankur Krishnan
- Department of Human Genetics, McGill University, Montreal, Quebec
| | - Emily Cervenka
- Department of Human Genetics, McGill University, Montreal, Quebec
| | - Grace Hu
- Department of Human Genetics, McGill University, Montreal, Quebec
| | - Elena Guadagno
- McConnell Resource Centre, McGill University Health Centre, Montreal, Quebec
| | - Yannis Trakadis
- Department of Human Genetics, McGill University, Montreal, Quebec.,Department of Medical Genetics, McGill University Health Centre, Montreal, Quebec
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19
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Strasser A, Xin L, Gruetter R, Sandi C. Nucleus accumbens neurochemistry in human anxiety: A 7 T 1H-MRS study. Eur Neuropsychopharmacol 2019; 29:365-375. [PMID: 30600114 DOI: 10.1016/j.euroneuro.2018.12.015] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/16/2018] [Revised: 12/18/2018] [Accepted: 12/20/2018] [Indexed: 12/22/2022]
Abstract
Individual differences in anxiety provide a differential predisposition to develop neuropsychiatric disorders. The neurochemical underpinnings of anxiety remain elusive, particularly in deep structures, such as the nucleus accumbens (NAc) whose involvement in anxiety is being increasingly recognized. We examined the associations between the neurochemical profile of human NAc metabolites involved in neural excitation and inhibition and inter-individual variation in temperamental and situational anxiety. Twenty-seven healthy 20-30 years-old human males were phenotyped with questionnaires for state and trait anxiety (State-Trait Anxiety Inventory, STAI), social anxiety (Liebowitz Social Anxiety Scale), negative mood (Beck Depression Inventory, BDI) and fatigue (Mental and Physical State Energy and Fatigue Scales, SEF). Using proton magnetic resonance spectroscopy (1H-MRS) at 7 Tesla (7T), we measured metabolite levels for glutamate, glutamine, GABA and taurine in the NAc. Salivary cortisol was also measured. Strikingly, trait anxiety was negatively associated with NAc taurine content. Perceived situational stress was negatively associated with NAc GABA, while positively with the Glu/GABA ratio. No correlation was observed between NAc taurine or GABA and other phenotypic variables examined (i.e., state anxiety, social anxiety, negative mood, or cortisol), except for a negative correlation between taurine and state physical fatigue. This first 7T study of NAc neurochemistry shows relevant metabolite associations with individual variation in anxiety traits and situational stress and state anxiety measurements. The novel identified association between NAc taurine levels and trait anxiety may pave the way for clinical studies aimed at identifying new treatments for anxiety and related disorders.
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Affiliation(s)
- Alina Strasser
- Laboratory of Behavioral Genetics, Brain Mind Institute, Ecole Polytechnique Fédérale de Lausanne (EPFL), Switzerland
| | - Lijing Xin
- Animal Imaging and Technology Core, Center for Biomedical Imaging (CIBM), Ecole Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland
| | - Rolf Gruetter
- Laboratory of Functional and Metabolic Imaging, Ecole Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland; Department of Radiology, University of Lausanne, Lausanne, Switzerland; Department of Radiology, University of Geneva, Geneva, Switzerland
| | - Carmen Sandi
- Laboratory of Behavioral Genetics, Brain Mind Institute, Ecole Polytechnique Fédérale de Lausanne (EPFL), Switzerland.
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20
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Malaguarnera M, Llansola M, Balzano T, Gómez-Giménez B, Antúnez-Muñoz C, Martínez-Alarcón N, Mahdinia R, Felipo V. Bicuculline Reduces Neuroinflammation in Hippocampus and Improves Spatial Learning and Anxiety in Hyperammonemic Rats. Role of Glutamate Receptors. Front Pharmacol 2019; 10:132. [PMID: 30858801 PMCID: PMC6397886 DOI: 10.3389/fphar.2019.00132] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2018] [Accepted: 02/05/2019] [Indexed: 01/29/2023] Open
Abstract
Patients with liver cirrhosis may develop minimal hepatic encephalopathy (MHE) with mild cognitive impairment. Hyperammonemia is a main contributor to cognitive impairment in MHE, which is mediated by neuroinflammation. GABAergic neurotransmission is altered in hyperammonemic rats. We hypothesized that, in hyperammonemic rats, (a) enhanced GABAergic tone would contribute to induce neuroinflammation, which would be improved by reducing GABAergic tone by chronic bicuculline treatment; (b) this would improve spatial learning and memory impairment; and (c) modulation of glutamatergic neurotransmission would mediate this cognitive improvement. The aim of this work was to assess the above hypotheses. Bicuculline was administrated intraperitoneally once a day for 4 weeks to control and hyperammonemic rats. The effects of bicuculline on microglia and astrocyte activation, IL-1β content, on membrane expression of AMPA and NMDA glutamate receptors subunits in the hippocampus and on spatial learning and memory as well as anxiety were assessed. Treatment with bicuculline reduces astrocyte activation and IL-1β but not microglia activation in the hippocampus of hyperammonemic rats. Bicuculline reverses the changes in membrane expression of AMPA receptor subunits GluA1 and GluA2 and of the NR2B (but not NR1 and NR2A) subunit of NMDA receptors. Bicuculline improves spatial learning and working memory and decreases anxiety in hyperammonemic rats. In hyperammonemia, enhanced activation of GABAA receptors in the hippocampus contributes to some but not all aspects of neuroinflammation, to altered glutamatergic neurotransmission and to impairment of spatial learning and memory as well as anxiety, all of which are reversed by reducing activation of GABAA receptors with bicuculline.
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Affiliation(s)
- Michele Malaguarnera
- Laboratory of Neurobiology, Centro Investigación Príncipe Felipe de Valencia, Valencia, Spain
| | - Marta Llansola
- Laboratory of Neurobiology, Centro Investigación Príncipe Felipe de Valencia, Valencia, Spain
| | - Tiziano Balzano
- Laboratory of Neurobiology, Centro Investigación Príncipe Felipe de Valencia, Valencia, Spain
| | - Belén Gómez-Giménez
- Laboratory of Neurobiology, Centro Investigación Príncipe Felipe de Valencia, Valencia, Spain
| | - Carles Antúnez-Muñoz
- Laboratory of Neurobiology, Centro Investigación Príncipe Felipe de Valencia, Valencia, Spain
| | - Núria Martínez-Alarcón
- Laboratory of Neurobiology, Centro Investigación Príncipe Felipe de Valencia, Valencia, Spain
| | - Rahebeh Mahdinia
- Laboratory of Neurobiology, Centro Investigación Príncipe Felipe de Valencia, Valencia, Spain
- Faculty of Biology, Damghan University, Damghan, Iran
| | - Vicente Felipo
- Laboratory of Neurobiology, Centro Investigación Príncipe Felipe de Valencia, Valencia, Spain
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21
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Winne J, Franzon R, de Miranda A, Malfatti T, Patriota J, Mikulovic S, Leão KE, Leão RN. Salicylate induces anxiety-like behavior and slow theta oscillation and abolishes the relationship between running speed and fast theta oscillation frequency. Hippocampus 2018; 29:15-25. [PMID: 30152905 DOI: 10.1002/hipo.23021] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2018] [Revised: 07/27/2018] [Accepted: 08/13/2018] [Indexed: 01/09/2023]
Abstract
Salicylate intoxication is a cause of tinnitus in humans and it is often used to produce tinnitus-like perception in animal models. Here, we assess whether salicylate induces anxiety-like electrophysiological and behavioral signs. Using microwire electrode arrays, we recorded local field potential in the ventral and, in some experiments dorsal hippocampus, in an open field arena 1 hr after salicylate (300 mg/kg) injection. We found that animals treated with salicylate moved dramatically less than saline treated animals. Salicylate-treated animals showed a strong 4-6 Hz (type 2) oscillation in the ventral hippocampus (with smaller peaks in dorsal hippocampus electrodes). Coherence in the 4-6 Hz-theta band was low in the ventral and dorsal hippocampus when compared to movement-related theta coherence (7-10 Hz). Moreover, movement related theta oscillation frequency decreased and its dependency on running speed was abolished. Our results suggest that salicylate-induced theta is mostly restricted to the ventral hippocampus. Slow theta has been classically associated to anxiety-like behaviors. Here, we show that salicylate application can consistently generate low frequency theta in the ventral hippocampus. Tinnitus and anxiety show strong comorbidity and the increase in ventral hippocampus low frequency theta could be part of this association.
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Affiliation(s)
- Jessica Winne
- Neurodynamics Laboratory, Brain Institute, Federal University of Rio Grande do Norte, Natal, Rio Grande do Norte, Brazil
| | - Rafael Franzon
- Neurodynamics Laboratory, Brain Institute, Federal University of Rio Grande do Norte, Natal, Rio Grande do Norte, Brazil
| | - Aron de Miranda
- Neurodynamics Laboratory, Brain Institute, Federal University of Rio Grande do Norte, Natal, Rio Grande do Norte, Brazil
| | - Thawann Malfatti
- Neurodynamics Laboratory, Brain Institute, Federal University of Rio Grande do Norte, Natal, Rio Grande do Norte, Brazil
| | - João Patriota
- Brain Institute, Federal University of Rio Grande do Norte, Natal, Rio Grande do Norte, Brazil
| | - Sanja Mikulovic
- Department of Neuroscience, Uppsala University, Uppsala, Sweden
| | - Katarina E Leão
- Neurodynamics Laboratory, Brain Institute, Federal University of Rio Grande do Norte, Natal, Rio Grande do Norte, Brazil
| | - Richardson N Leão
- Neurodynamics Laboratory, Brain Institute, Federal University of Rio Grande do Norte, Natal, Rio Grande do Norte, Brazil.,Department of Neuroscience, Uppsala University, Uppsala, Sweden
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22
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Fontana BD, Stefanello FV, Mezzomo NJ, Müller TE, Quadros VA, Parker MO, Rico EP, Rosemberg DB. Taurine modulates acute ethanol-induced social behavioral deficits and fear responses in adult zebrafish. J Psychiatr Res 2018; 104:176-182. [PMID: 30096615 DOI: 10.1016/j.jpsychires.2018.08.008] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/23/2018] [Revised: 07/25/2018] [Accepted: 08/02/2018] [Indexed: 01/08/2023]
Abstract
Ethanol (EtOH) is a central nervous system (CNS) depressant drug that modifies various behavioral domains (i.e., sociability, aggressiveness, and memory) by promoting disinhibition of punished operant behavior and neurochemical changes. Taurine (TAU) is a β-amino sulfonic acid with pleiotropic roles in the brain. Although exogenous TAU is found in energy drinks and often mixed with alcohol in beverages, the putative risks of mixing TAU and EtOH are poorly explored. Here, we investigated whether TAU modulates social and fear responses by assessing shoaling behavior, preference for conspecifics, and antipredatory behavior of adult zebrafish acutely exposed to EtOH. Zebrafish shoals (4 fish per shoal) were exposed to water (control), TAU (42, 150, and 400 mg/L), 0.25% (v/v) EtOH alone or in association with TAU for 1 h, and their behaviors were analyzed at different time intervals (0-5 min, 30-35 min, and 55-60 min). The effects of TAU and EtOH were further tested in a social preference test and during exposure to a predator. Both EtOH and TAU co-treated fish showed a higher shoal dispersion, while TAU 400/EtOH group shoal area had a similar profile when compared to control. However, in the social preference test, TAU 400/EtOH impaired the seeking for conspecifics. Regarding fear-like behaviors, TAU-cotreated fish showed a prominent reduction in risk assessments when compared to EtOH alone. Overall, we demonstrate that TAU modulates EtOH-induced changes in different behavioral domains, suggesting a complex relationship between social and fear-like responses.
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Affiliation(s)
- Barbara D Fontana
- Laboratory of Experimental Neuropsychobiology, Department of Biochemistry and Molecular Biology, Natural and Exact Sciences Center, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS, 97105-900, Brazil; Graduate Program in Biological Sciences: Toxicological Biochemistry, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS, 97105-900, Brazil.
| | - Flavia V Stefanello
- Laboratory of Experimental Neuropsychobiology, Department of Biochemistry and Molecular Biology, Natural and Exact Sciences Center, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS, 97105-900, Brazil
| | - Nathana J Mezzomo
- Laboratory of Experimental Neuropsychobiology, Department of Biochemistry and Molecular Biology, Natural and Exact Sciences Center, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS, 97105-900, Brazil; Graduate Program in Pharmacology, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS, 97105-900, Brazil
| | - Talise E Müller
- Laboratory of Experimental Neuropsychobiology, Department of Biochemistry and Molecular Biology, Natural and Exact Sciences Center, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS, 97105-900, Brazil; Graduate Program in Biological Sciences: Toxicological Biochemistry, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS, 97105-900, Brazil
| | - Vanessa A Quadros
- Laboratory of Experimental Neuropsychobiology, Department of Biochemistry and Molecular Biology, Natural and Exact Sciences Center, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS, 97105-900, Brazil; Graduate Program in Biological Sciences: Toxicological Biochemistry, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS, 97105-900, Brazil
| | - Matthew O Parker
- Brain and Behaviour Laboratory, School of Pharmacy and Biomedical Sciences, University of Portsmouth, UK; The International Zebrafish Neuroscience Research Consortium (ZNRC), 309 Palmer Court, Slidell, LA, 70458, USA
| | - Eduardo P Rico
- Graduate Program in Health Sciences, Laboratory of Neural Signaling and Psychopharmacology, Academic Unit of Health Sciences, University of Southern Santa Catarina (UNESC), 1105, Universitária Avenue, Bloco S, Sala 6, Criciúma, SC, 88806-000, Brazil
| | - Denis B Rosemberg
- Laboratory of Experimental Neuropsychobiology, Department of Biochemistry and Molecular Biology, Natural and Exact Sciences Center, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS, 97105-900, Brazil; Graduate Program in Biological Sciences: Toxicological Biochemistry, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS, 97105-900, Brazil; The International Zebrafish Neuroscience Research Consortium (ZNRC), 309 Palmer Court, Slidell, LA, 70458, USA.
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23
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Costa-Valle MT, Tonieto BD, Altknecht L, Cunha CD, Fão N, Cestonaro LV, Göethel G, Garcia SC, Leal MB, Dallegrave E, Arbo MD. Energy drink and alcohol combination leads to kidney and liver alterations in rats. Toxicol Appl Pharmacol 2018; 355:138-146. [DOI: 10.1016/j.taap.2018.06.024] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2018] [Revised: 06/22/2018] [Accepted: 06/26/2018] [Indexed: 12/20/2022]
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Heidari R, Jamshidzadeh A, Ghanbarinejad V, Ommati MM, Niknahad H. Taurine supplementation abates cirrhosis-associated locomotor dysfunction. Clin Exp Hepatol 2018; 4:72-82. [PMID: 29904723 PMCID: PMC6000746 DOI: 10.5114/ceh.2018.75956] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/09/2017] [Accepted: 12/26/2017] [Indexed: 01/04/2023] Open
Abstract
AIM OF THE STUDY Hepatic encephalopathy and hyperammonemia is a clinical complication associated with liver cirrhosis. The brain is the target organ for ammonia toxicity. Ammonia-induced brain injury is related to oxidative stress, locomotor activity dysfunction, and cognitive deficit, which could lead to permanent brain injury, coma and death if not appropriately managed. There is no promising pharmacological intervention against cirrhosis-associated brain injury. Taurine (TAU) is one of the most abundant amino acids in the human body. Several physiological and pharmacological roles have been attributed to TAU. TAU may act as an antioxidant and is an excellent neuroprotective agent. This study aimed to evaluate the effect of TAU supplementation on cirrhosis-associated locomotor activity disturbances and oxidative stress in the brain. MATERIAL AND METHODS Rats underwent bile duct ligation (BDL) surgery, and plasma and brain ammonia level, plasma biochemical parameters, and rats' locomotor function were monitored. Furthermore, brain tissue markers of oxidative stress were assessed. RESULTS It was found that plasma and brain ammonia was increased, and markers of liver injury were significantly elevated in the cirrhotic group. Impaired locomotor activity was also evident in BDL rats. Moreover, an increase in brain tissue markers of oxidative stress was detected in the brain of cirrhotic animals. It was found that TAU supplementation (50, 100, and 200 mg/kg, gavage) alleviated brain tissue markers of oxidative stress and improved animals' locomotor activity. CONCLUSIONS These data suggest that TAU is a potential protective agent against cirrhosis-associated brain injury.
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Affiliation(s)
- Reza Heidari
- Pharmaceutical Sciences Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Akram Jamshidzadeh
- Pharmaceutical Sciences Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Vahid Ghanbarinejad
- Pharmaceutical Sciences Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mohammad Mehdi Ommati
- Department of Animal Sciences, School of Agriculture, Shiraz University, Shiraz, Iran
| | - Hossein Niknahad
- Pharmaceutical Sciences Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
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Gómez-Giménez B, Llansola M, Cabrera-Pastor A, Hernández-Rabaza V, Agustí A, Felipo V. Endosulfan and Cypermethrin Pesticide Mixture Induces Synergistic or Antagonistic Effects on Developmental Exposed Rats Depending on the Analyzed Behavioral or Neurochemical End Points. ACS Chem Neurosci 2018; 9:369-380. [PMID: 29094921 DOI: 10.1021/acschemneuro.7b00364] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
Exposure to pesticides has been associated with neurodevelopmental toxicity. Usually people are exposed to mixtures of pesticides. However, most studies analyze the effects of individual pesticides. Developmental exposure to mixtures of pesticides may result in additive effects or in antagonistic or synergistic effects. The aim of this work was to compare the effects of developmental exposure of rats to cypermethrin or endosulfan with the effects of its mixture on cognitive and motor function and on some underlying mechanisms. Exposure to individual pesticides or the mixture was from gestational day 7 to postnatal day 21. We analyzed the effects, in males and females, on spatial learning and memory, associative learning, anxiety, motor coordination, and spontaneous motor activity. We also analyzed neuroinflammation and NMDA receptor subunits in hippocampus and extracellular GABA in cerebellum. Exposure to the mixture, but not to individual pesticides, impaired spatial memory in males, associative learning in females, and increased motor activity in males and females. This indicates a synergistic effect of cypermethrin and endolsufan exposure on these end points. In contrast, motor coordination was impaired by individual exposure to endosulfan or cypermethrin, associated with increased extracellular GABA in cerebellum, but these effects were prevented in rats exposed to the mixture, indicating an antagonistic effect of cypermethrin and endolsufan exposure on these end points. The results show different interaction modes (synergism or antagonism) of the pesticides, depending on the end point analyzed and the sex of the rats.
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Affiliation(s)
- Belén Gómez-Giménez
- Laboratorio
de Neurobiología, Centro Investigación Príncipe Felipe, Valencia 46012, Spain
| | - Marta Llansola
- Laboratorio
de Neurobiología, Centro Investigación Príncipe Felipe, Valencia 46012, Spain
| | - Andrea Cabrera-Pastor
- Laboratorio
de Neurobiología, Centro Investigación Príncipe Felipe, Valencia 46012, Spain
| | - Vicente Hernández-Rabaza
- Laboratorio
de Neurobiología, Centro Investigación Príncipe Felipe, Valencia 46012, Spain
- Department
of Biomedical Sciences, Cardenal Herrera University-CEU, CEU Universities, Avda del Pozo s/n, Alfara del Patriarca 46115, Spain
| | - Ana Agustí
- Laboratorio
de Neurobiología, Centro Investigación Príncipe Felipe, Valencia 46012, Spain
| | - Vicente Felipo
- Laboratorio
de Neurobiología, Centro Investigación Príncipe Felipe, Valencia 46012, Spain
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Nishigawa T, Nagamachi S, Ikeda H, Chowdhury VS, Furuse M. Restraint stress in lactating mice alters the levels of sulfur-containing amino acids in milk. J Vet Med Sci 2018; 80:503-509. [PMID: 29367519 PMCID: PMC5880834 DOI: 10.1292/jvms.17-0661] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
It is well known that maternal stress during the gestation and lactation periods induces abnormal behavior in the offspring and causes a lowering of the offspring’s body weight. Various causes of maternal stress during
the lactation period, relating to, for example, maternal nutritional status and reduced maternal care, have been considered. However, little is known about the effects on milk of maternal stress during the lactation
period. The current study aimed to determine whether free amino acids, with special reference to sulfur-containing amino acids in milk, are altered by restraint stress in lactating mice. The dams in the stress group were
restrained for 30 min at postnatal days 2, 4, 6, 8, 10 and 12. Restraint stress caused a reduction in the body weight of lactating mice. The concentration of taurine and cystathionine in milk was significantly higher in
the stress group, though stress did not alter their concentration in maternal plasma. The ratio of taurine concentration in milk to its concentration in maternal plasma was significantly higher in the stress group,
suggesting that stress promoted taurine transportation into milk. Furthermore, taurine concentration in milk was positively correlated with corticosterone levels in plasma. In conclusion, restraint stress in lactating
mice caused the changes in the metabolism and in the transportation of sulfur-containing amino acids and resulted in higher taurine concentration in milk. Taurine concentration in milk could also be a good parameter for
determining stress status in dams.
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Affiliation(s)
- Takuma Nishigawa
- Laboratory of Regulation in Metabolism and Behavior, Faculty of Agriculture, Kyushu University, Fukuoka 812-8581, Japan
| | - Satsuki Nagamachi
- Laboratory of Regulation in Metabolism and Behavior, Faculty of Agriculture, Kyushu University, Fukuoka 812-8581, Japan
| | - Hiromi Ikeda
- Laboratory of Regulation in Metabolism and Behavior, Faculty of Agriculture, Kyushu University, Fukuoka 812-8581, Japan
| | - Vishwajit S Chowdhury
- Division for Experimental Natural Science, Faculty of Arts and Science, Kyushu University, Fukuoka 819-0395, Japan
| | - Mitsuhiro Furuse
- Laboratory of Regulation in Metabolism and Behavior, Faculty of Agriculture, Kyushu University, Fukuoka 812-8581, Japan
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Taurine restores the exploratory behavior following alcohol withdrawal and decreases BDNF mRNA expression in the frontal cortex of chronic alcohol-treated rats. Pharmacol Biochem Behav 2017; 161:6-12. [DOI: 10.1016/j.pbb.2017.09.001] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/20/2017] [Revised: 08/31/2017] [Accepted: 09/01/2017] [Indexed: 11/18/2022]
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Kuniishi H, Ichisaka S, Yamamoto M, Ikubo N, Matsuda S, Futora E, Harada R, Ishihara K, Hata Y. Early deprivation increases high-leaning behavior, a novel anxiety-like behavior, in the open field test in rats. Neurosci Res 2017; 123:27-35. [PMID: 28450152 DOI: 10.1016/j.neures.2017.04.012] [Citation(s) in RCA: 83] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2016] [Revised: 04/18/2017] [Accepted: 04/19/2017] [Indexed: 12/17/2022]
Abstract
The open field test is one of the most popular ethological tests to assess anxiety-like behavior in rodents. In the present study, we examined the effect of early deprivation (ED), a model of early life stress, on anxiety-like behavior in rats. In ED animals, we failed to find significant changes in the time spent in the center or thigmotaxis area of the open field, the common indexes of anxiety-like behavior. However, we found a significant increase in high-leaning behavior in which animals lean against the wall standing on their hindlimbs while touching the wall with their forepaws at a high position. The high-leaning behavior was decreased by treatment with an anxiolytic, diazepam, and it was increased under intense illumination as observed in the center activity. In addition, we compared the high-leaning behavior and center activity under various illumination intensities and found that the high-leaning behavior is more sensitive to illumination intensity than the center activity in the particular illumination range. These results suggest that the high-leaning behavior is a novel anxiety-like behavior in the open field test that can complement the center activity to assess the anxiety state of rats.
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Affiliation(s)
- Hiroshi Kuniishi
- Division of Integrative Bioscience, Institute of Regenerative Medicine and Biofunction, Tottori University Graduate School of Medical Sciences, Yonago, Japan
| | - Satoshi Ichisaka
- Division of Neurobiology, School of Life Sciences, Faculty of Medicine, Tottori University, Yonago, Japan
| | - Miki Yamamoto
- Division of Integrative Bioscience, Institute of Regenerative Medicine and Biofunction, Tottori University Graduate School of Medical Sciences, Yonago, Japan
| | - Natsuko Ikubo
- Division of Neurobiology, School of Life Sciences, Faculty of Medicine, Tottori University, Yonago, Japan
| | - Sae Matsuda
- Division of Integrative Bioscience, Institute of Regenerative Medicine and Biofunction, Tottori University Graduate School of Medical Sciences, Yonago, Japan
| | - Eri Futora
- Division of Neurobiology, School of Life Sciences, Faculty of Medicine, Tottori University, Yonago, Japan
| | - Riho Harada
- Division of Neurobiology, School of Life Sciences, Faculty of Medicine, Tottori University, Yonago, Japan
| | - Kohei Ishihara
- Division of Neurobiology, School of Life Sciences, Faculty of Medicine, Tottori University, Yonago, Japan
| | - Yoshio Hata
- Division of Integrative Bioscience, Institute of Regenerative Medicine and Biofunction, Tottori University Graduate School of Medical Sciences, Yonago, Japan.
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Concordance and incongruence in preclinical anxiety models: Systematic review and meta-analyses. Neurosci Biobehav Rev 2016; 68:504-529. [PMID: 27328783 DOI: 10.1016/j.neubiorev.2016.04.011] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2015] [Revised: 03/19/2016] [Accepted: 04/18/2016] [Indexed: 12/14/2022]
Abstract
Rodent defense behavior assays have been widely used as preclinical models of anxiety to study possibly therapeutic anxiety-reducing interventions. However, some proposed anxiety-modulating factors - genes, drugs and stressors - have had discordant effects across different studies. To reconcile the effect sizes of purported anxiety factors, we conducted systematic review and meta-analyses of the literature on ten anxiety-linked interventions, as examined in the elevated plus maze, open field and light-dark box assays. Diazepam, 5-HT1A receptor gene knockout and overexpression, SERT gene knockout and overexpression, pain, restraint, social isolation, corticotropin-releasing hormone and Crhr1 were selected for review. Eight interventions had statistically significant effects on rodent anxiety, while Htr1a overexpression and Crh knockout did not. Evidence for publication bias was found in the diazepam, Htt knockout, and social isolation literatures. The Htr1a and Crhr1 results indicate a disconnect between preclinical science and clinical research. Furthermore, the meta-analytic data confirmed that genetic SERT anxiety effects were paradoxical in the context of the clinical use of SERT inhibitors to reduce anxiety.
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30
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Mezzomo NJ, Silveira A, Giuliani GS, Quadros VA, Rosemberg DB. The role of taurine on anxiety-like behaviors in zebrafish: A comparative study using the novel tank and the light–dark tasks. Neurosci Lett 2016; 613:19-24. [DOI: 10.1016/j.neulet.2015.12.037] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2015] [Revised: 12/16/2015] [Accepted: 12/17/2015] [Indexed: 12/22/2022]
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31
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Cheng ML, Chang KH, Wu YR, Chen CM. Metabolic disturbances in plasma as biomarkers for Huntington's disease. J Nutr Biochem 2016; 31:38-44. [PMID: 27133422 DOI: 10.1016/j.jnutbio.2015.12.001] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2015] [Revised: 12/03/2015] [Accepted: 12/08/2015] [Indexed: 01/13/2023]
Abstract
Huntington's disease (HD), caused by expanded CAG repeats encoding a polyglutamine tract in the huntingtin protein, presents with a predominant degeneration of neurons in the striatum and cortex. Although a few studies have identified substantial metabolite alterations in plasma, the picture of plasma metabolomics of HD has not been clearly depicted yet. Using a global metabolomics screening for plasma from 15 HD patients and 17 controls, HD patient group was separated from the control group by a panel of metabolites belonging to carnitine, amino acid and phosphatidylcholine species. The quantification of 184 related metabolites (including carnitine, amino acid and phosphatidylcholine species) in 29 HD patients, 9 presymptomatic HD carriers and 44 controls further showed one up-regulated (glycine) and 9 down-regulated metabolites (taurine, serotonin, valine, isoleucine, phosphatidylcholine acyl-alkyl C36:0 and C34:0 and lysophosphatidylcholine acyl C20:3). To understand the biosynthetic alterations of phosphatidylcholine in HD, we examined the expression levels and activities of a panel of key enzymes responsible for phosphatidylcholine metabolism. The results showed down-regulation of PCYT1A and increased activity of phospholipase A2 in HD leukocytes. These metabolic profiles strongly indicate that disturbed metabolism is involved in pathogenesis of HD and provide clue for the development of novel treatment strategies for HD.
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Affiliation(s)
- Mei-Ling Cheng
- Healthy Aging Research Center, Chang Gung University, Tao-Yuan, Taiwan; Metabolomics Core Laboratory, Chang Gung University, Tao-Yuan, Taiwan; Department of Biomedical Sciences, College of Medicine, Chang Gung University, Tao-Yuan, Taiwan
| | - Kuo-Hsuan Chang
- Department of Neurology, Chang Gung Memorial Hospital Linkou Medical Center and College of Medicine, Chang-Gung University, Tao-Yuan, Taiwan
| | - Yih-Ru Wu
- Department of Neurology, Chang Gung Memorial Hospital Linkou Medical Center and College of Medicine, Chang-Gung University, Tao-Yuan, Taiwan
| | - Chiung-Mei Chen
- Department of Neurology, Chang Gung Memorial Hospital Linkou Medical Center and College of Medicine, Chang-Gung University, Tao-Yuan, Taiwan.
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32
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Alhumaidha KA, Saleh DO, Abd El Fattah MA, El-Eraky WI, Moawad H. Cardiorenal protective effect of taurine against cyclophosphamide-induced toxicity in albino rats. Can J Physiol Pharmacol 2015; 94:131-139. [PMID: 26695545 DOI: 10.1139/cjpp-2015-0138] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Cyclophosphamide (CP) is a cytotoxic alkylating agent used in the treatment of malignant diseases and autoimmune disorders. Its clinical use is limited to its marked cardiorenal toxicity. The present study aimed to investigate the possible protective role of taurine (Tau; 200 mg·kg-1 per day, i.p.) on CP-induced cardiorenal toxicity. CP (200 mg·kg-1) was administered as a single intraperitoneal injection whereas; Tau was administered for 3 weeks on a daily basis. The results showed that CP produced an elevation in serum activities of creatine kinase, creatine kinase isoenzyme, lactate dehydrogenase, creatinine as well as blood urea nitrogen. CP also induced an elevation in the oxidative stress markers viz. elevation in the serum lipid peroxides level (measured as malondialdehyde; MDA) and reduction in reduced glutathione level and superoxide dismutase activity in both heart and renal tissue. On the other hand, administration of Tau attenuated the CP-evoked disturbances in the above mentioned parameters. In addition, CP exhibited electrocardiographic (ECG) changes, which were significantly reversed by Tau treatment. Finally, the histopathological examination emphasized the obtained results. In conclusion, Tau is suggested to be a potential candidate to ameliorate CP-induced cardiorenal toxicity that may be related to its antioxidant activity.
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Affiliation(s)
- Khaled A Alhumaidha
- a Department of Pharmacology and Toxicology, Faculty of Pharmacy, Cairo University, Egypt
| | - Dalia O Saleh
- b Pharmacology Department, National Research Centre, Cairo, Egypt
| | - Mai A Abd El Fattah
- a Department of Pharmacology and Toxicology, Faculty of Pharmacy, Cairo University, Egypt
| | - Wafaa I El-Eraky
- b Pharmacology Department, National Research Centre, Cairo, Egypt
| | - Helmy Moawad
- a Department of Pharmacology and Toxicology, Faculty of Pharmacy, Cairo University, Egypt
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Ohland CL, Pankiv E, Baker G, Madsen KL. Western diet-induced anxiolytic effects in mice are associated with alterations in tryptophan metabolism. Nutr Neurosci 2015; 19:337-345. [DOI: 10.1179/1476830515y.0000000034] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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34
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Yu C, Mei XT, Zheng YP, Xu DH. Taurine zinc solid dispersions protect against cold-restraint stress-induced gastric ulceration by upregulating HSP70 and exerting an anxiolytic effect. Eur J Pharmacol 2015; 762:63-71. [PMID: 26004529 DOI: 10.1016/j.ejphar.2015.05.033] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2015] [Revised: 04/20/2015] [Accepted: 05/18/2015] [Indexed: 12/20/2022]
Abstract
Pharmacological effects of solid dispersions (SDs) of a taurine zinc complex on gastric ulceration and anxiety were investigated. Pretreatment with taurine zinc (50, 100 or 200mg/kg) SDs dose-dependently protected rat gastric mucosa against cold-restraint stress (CRS)-induced gastric injury, and significantly attenuated increases in gastric mucosal H(+)K(+)-ATPase activity and lipid peroxidation and enhanced SOD activity. Taurine zinc also inhibited CRS-induced elevation of the serum stress hormones adrenocorticotropic hormone and corticosterone and upregulated HSP70 expression in the gastric mucosa. Moreover, taurine zinc (200mg/kg) SDs more potently protected the gastric mucosa from ulceration than the same dose of taurine, which may be attributed to a synergistic effect between taurine and zinc. Behavioral experiments in mice showed that taurine zinc SDs significantly increased the number of entries and time spent on the open arms in the elevated plus-maze test, time spent in the central area and total distance traveled in the open field test, and time spent and number of entries into the light compartment in the light/dark box test, indicative of reduced anxiety-like behaviors. This study demonstrates taurine zinc protected the gastric mucosa against CRS-induced gastric damage by decreasing oxidative stress, promoting endogenous HSP70 expression and attenuating psychological stress.
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Affiliation(s)
- Chuan Yu
- Laboratory of Traditional Chinese Medicine and Marine Drugs, Department of Biochemistry, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, Guangdong Province, China
| | - Xue-Ting Mei
- Laboratory of Traditional Chinese Medicine and Marine Drugs, Department of Biochemistry, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, Guangdong Province, China
| | - Yan-Ping Zheng
- Laboratory of Traditional Chinese Medicine and Marine Drugs, Department of Biochemistry, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, Guangdong Province, China
| | - Dong-Hui Xu
- Laboratory of Traditional Chinese Medicine and Marine Drugs, Department of Biochemistry, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, Guangdong Province, China.
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35
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Gupta D, Radhakrishnan M, Kurhe Y. Insulin reverses anxiety-like behavior evoked by streptozotocin-induced diabetes in mice. Metab Brain Dis 2014; 29:737-46. [PMID: 24763911 DOI: 10.1007/s11011-014-9540-5] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/28/2013] [Accepted: 03/27/2014] [Indexed: 02/06/2023]
Abstract
Clinical and preclinical data suggest that diabetes is often associated with anxiety. Insulin, a peptide hormone has been reported to have key functions in the brain and in alleviating several psychological impairments, occur as a consequence of diabetes. However, its effects in diabetes-induced anxiety are scanty. The present study examined whether; insulin can reverse the anxiety-like behavior in streptozotocin (STZ)-induced diabetes in mice. After 8-weeks of diabetes induced by STZ (200 mg/kg, intraperitoneally (i.p.)), mice were given insulin (1-2 IU/kg/day, i.p.)/ diazepam (1 mg/kg/day, i.p.)/ vehicle for 14 days and evaluated for behavioral effects in three validated models of anxiety viz. elevated plus maze (EPM), light-dark (L/D) and hole board (HB) tests. STZ-induced diabetic mice elicited significant behavioral effects which include, decreased percentage open arm entries and time in EPM, reduced latency and time spent in light chamber in L/D, decreased number of head dips, squares crossed and rearings in HB tests respectively. Insulin treatment attenuated the behavioral effects evoked by STZ-induced diabetes in mice as indicated by increased open arms activity in EPM, decreased aversion in light chamber during L/D test and increased exploratory behavior in HB test. In conclusion, this study revealed that insulin can reverse anxiety-like behavior in STZ-induced diabetes in mice.
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Affiliation(s)
- Deepali Gupta
- Department of Pharmacy, Birla Institute of Technology & Science, Pilani, Rajasthan, 333031, India,
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36
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Asparagus racemosus Attenuates Anxiety-Like Behavior in Experimental Animal Models. Cell Mol Neurobiol 2014; 34:511-21. [DOI: 10.1007/s10571-014-0035-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2013] [Accepted: 01/30/2014] [Indexed: 10/25/2022]
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Ajao MY, Akindele AJ. Anxiolytic and sedative properties of hydroethanolic extract of Telfairia occidentalis leaves in mice. REVISTA BRASILEIRA DE FARMACOGNOSIA-BRAZILIAN JOURNAL OF PHARMACOGNOSY 2013. [DOI: 10.1590/s0102-695x2012005000138] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Nakagomi M, Shudo K, Nakatani-Pawlak A. Synthetic retinoid Am80 results in improved exploratory and emotional behavior in the P8 substrain of senescence-accelerated mice. Pharmacol Biochem Behav 2013; 104:1-9. [DOI: 10.1016/j.pbb.2013.01.008] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/16/2012] [Revised: 01/07/2013] [Accepted: 01/10/2013] [Indexed: 01/06/2023]
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Neuwirth LS, Volpe NP, Idrissi AE. Taurine Effects on Emotional Learning and Memory in Aged Mice: Neurochemical Alterations and Differentiation in Auditory Cued Fear and Context Conditioning. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2013; 775:195-214. [DOI: 10.1007/978-1-4614-6130-2_17] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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Toyoda A, Iio W. Antidepressant-Like Effect of Chronic Taurine Administration and Its Hippocampal Signal Transduction in Rats. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2013; 775:29-43. [DOI: 10.1007/978-1-4614-6130-2_3] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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Fishy aroma of social status: urinary chemo-signalling of territoriality in male fathead minnows (Pimephales promelas). PLoS One 2012; 7:e46579. [PMID: 23144784 PMCID: PMC3492364 DOI: 10.1371/journal.pone.0046579] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2012] [Accepted: 08/31/2012] [Indexed: 11/21/2022] Open
Abstract
Chemical structures of several urinary reproductive pheromones in fish have been identified, and their role in the chemical communication of reproductive condition is well characterized. On the contrary, the role of chemical communication in signalling of social/territorial status in fish is poorly understood. Fathead minnows are an example of a fish species whose life history traits appear conducive to evolution of chemical communication systems that confer information about social/territorial status. Male reproduction in this species is dependent upon their ability to acquire and defend a high quality nesting territory, and to attract a female to the nest. We hypothesized that fathead minnow males use visual and urine-derived chemical cues to signal territorial status. To test this hypothesis, effects of territorial acquisition on male-specific secondary sex characteristics (SSCs) and urine volumes were first assessed. Second, frequencies of male urination in varying social contexts were examined. Finally, nuclear magnetic resonance-based metabolomics was used to identify urinary metabolites that were differentially excreted in the urine of territorial versus non-territorial males. The expression of SSCs, sperm, and urine volumes increased with territory acquisition, and either remained unchanged or decreased in non-territorial males. Frequency of male urination increased significantly in the presence of females (but not males), suggesting that females are the main target of the urinary signals. Territorial and non-territorial males had distinct urinary metabolomic profiles. An unforeseen finding was that one could discern future territorial status of males, based on their initial metabolomic profiles. Bile acids and volatile amines were identified as potential chemical signals of social status in the fathead minnow. The finding that trimethylamine (a fishy smelling volatile amine) may be a social cue is particularly interesting, because it is known to bind trace amine-associated receptors, indicating that these receptors may play role in chemical signalling of social status in fish.
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Macrì S, Ceci C, Canese R, Laviola G. Prenatal stress and peripubertal stimulation of the endocannabinoid system differentially regulate emotional responses and brain metabolism in mice. PLoS One 2012; 7:e41821. [PMID: 22848620 PMCID: PMC3405010 DOI: 10.1371/journal.pone.0041821] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2012] [Accepted: 06/26/2012] [Indexed: 12/22/2022] Open
Abstract
The central endocannabinoid system (ECS) and the hypothalamic-pituitary-adrenal-axis mediate individual responses to emotionally salient stimuli. Their altered developmental adjustment may relate to the emergence of emotional disturbances. Although environmental influences regulate the individual phenotype throughout the entire lifespan, their effects may result particularly persistent during plastic developmental stages (e.g. prenatal life and adolescence). Here, we investigated whether prenatal stress – in the form of gestational exposure to corticosterone supplemented in the maternal drinking water (100 mg/l) during the last week of pregnancy – combined with a pharmacological stimulation of the ECS during adolescence (daily fatty acid amide hydrolase URB597 i.p. administration - 0.4 mg/kg - between postnatal days 29–38), influenced adult mouse emotional behaviour and brain metabolism measured through in vivo quantitative magnetic resonance spectroscopy. Compared to control mice, URB597-treated subjects showed, in the short-term, reduced locomotion and, in the long term, reduced motivation to execute operant responses to obtain palatable rewards paralleled by reduced levels of inositol and taurine in the prefrontal cortex. Adult mice exposed to prenatal corticosterone showed increased behavioural anxiety and reduced locomotion in the elevated zero maze, and altered brain metabolism (increased glutamate and reduced taurine in the hippocampus; reduced inositol and N-Acetyl-Aspartate in the hypothalamus). Present data further corroborate the view that prenatal stress and pharmacological ECS stimulation during adolescence persistently regulate emotional responses in adulthood. Yet, whilst we hypothesized these factors to be interactive in nature, we observed that the consequences of prenatal corticosterone administration were independent from those of ECS drug-induced stimulation during adolescence.
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Affiliation(s)
- Simone Macrì
- Department of Cell Biology and Neurosciences, Istituto Superiore di Sanità, Roma, Italy.
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Kumar D, Bhat ZA, Kumar V, Khan N, Chashoo I, Zargar M, Shah M. Effects of Stachys tibetica essential oil in anxiety. Eur J Integr Med 2012. [DOI: 10.1016/j.eujim.2012.01.005] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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Rosemberg DB, Braga MM, Rico EP, Loss CM, Córdova SD, Mussulini BHM, Blaser RE, Leite CE, Campos MM, Dias RD, Calcagnotto ME, de Oliveira DL, Souza DO. Behavioral effects of taurine pretreatment in zebrafish acutely exposed to ethanol. Neuropharmacology 2012; 63:613-23. [PMID: 22634362 DOI: 10.1016/j.neuropharm.2012.05.009] [Citation(s) in RCA: 116] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2011] [Revised: 04/12/2012] [Accepted: 05/05/2012] [Indexed: 12/12/2022]
Abstract
Taurine (TAU) is an amino sulfonic acid that plays protective roles against neurochemical impairments induced by ethanol (EtOH). Mounting evidence shows the applicability of zebrafish for evaluating locomotor parameters and anxiety-like behavioral phenotypes after EtOH exposure in a large scale manner. In this study, we assess the effects of TAU pretreatment on the behavior of zebrafish in the open tank after acute 1% EtOH (v/v) exposure (20 and 60 min of duration) and on brain alcohol contents. The exposure for 20 min exerted significant anxiolytic effects, which were prevented by 42, 150, and 400 mg/L TAU. Conversely, the 60-min condition induced depressant/sedative effects, in which the changes on vertical activity were associated to modifications on the exploratory profile. Although all TAU concentrations kept locomotor parameters at basal levels, 150 mg/L TAU, did not prevent the impairment on vertical activity of EtOH[60]. Despite the higher brain EtOH content detected in the 60-min exposure, 42, 150, and 400 mg/L TAU attenuated the increase of alcohol content in EtOH[60] group. In conclusion, our data suggest that both protocols of acute EtOH exposure induce significant changes in the spatio-temporal behavior of zebrafish and that TAU may exert a preventive role by antagonizing the effects induced by EtOH possibly due to its neuromodulatory role and also by decreasing brain EtOH levels. The hormetic dose-response of TAU on vertical exploration suggests a complex interaction between TAU and EtOH in the central nervous system.
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Affiliation(s)
- Denis B Rosemberg
- Programa de Pós-graduação em Bioquímica, Departamento de Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Rua Ramiro Barcelos 2600-Anexo, 90035-003 Porto Alegre, RS, Brazil.
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Iio W, Matsukawa N, Tsukahara T, Toyoda A. The effects of oral taurine administration on behavior and hippocampal signal transduction in rats. Amino Acids 2012; 43:2037-46. [DOI: 10.1007/s00726-012-1282-2] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2012] [Accepted: 03/27/2012] [Indexed: 12/21/2022]
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Ethyl-eicosapentaenoate (E-EPA) attenuates motor impairments and inflammation in the MPTP-probenecid mouse model of Parkinson's disease. Behav Brain Res 2012; 226:386-96. [DOI: 10.1016/j.bbr.2011.09.033] [Citation(s) in RCA: 73] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2011] [Revised: 09/16/2011] [Accepted: 09/20/2011] [Indexed: 11/24/2022]
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Barbosa Neto JB, Tiba PA, Faturi CB, de Castro-Neto EF, da Graça Naffah-Mazacoratti M, de Jesus Mari J, de Mello MF, Suchecki D. Stress during development alters anxiety-like behavior and hippocampal neurotransmission in male and female rats. Neuropharmacology 2011; 62:518-26. [PMID: 21945413 DOI: 10.1016/j.neuropharm.2011.09.011] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2011] [Revised: 08/18/2011] [Accepted: 09/09/2011] [Indexed: 12/18/2022]
Abstract
Epidemiological data indicate that early stress increases vulnerability to psychiatric disorders, including anxiety and depression. In the present study we sought to investigate the long-term behavioral and neurochemical consequences of increased and sustained corticosterone levels induced by a 24 h bout of maternal deprivation (DEP) imposed on postnatal day 11 (DEP11). As adults, animals were exposed to the elevated plus maze for assessment of anxiety-like behavior and corticosterone response to this challenge, or decapitated for determination of monoamines and amino acid neurotransmitters content in the hippocampus by HPLC method. The results showed that DEP11 male and female rats displayed increased time in the central hub of the maze and more risk assessment behavior, reflecting increased anxiety-like behavior; in addition, these animals continuously secreted corticosterone in response to the behavioral test until the latest time-point, e.g., 60 min post-stress. In males, maternal deprivation increased aspartate and glutamate levels and reduced taurine levels compared to non-deprived (NDEP) rats. DEP11 females displayed reduced noradrenaline, aspartate and GABA levels compared to NDEP counterparts. These results indicate that maternal deprivation at 11 days of age produced changes in hippocampal neurotransmission that may mediate the increased anxiety-like behavior observed in male and female deprived rats. This article is part of a Special Issue entitled 'Anxiety and Depression'.
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Dzirkale Z, Pupure J, Rumaks J, Svirskis S, Vanina M, Mezhapuke R, Sile V, Fernandes MA, Duburs G, Klusa V. Comparative study of taurine and tauropyrone: GABA receptor binding, mitochondrial processes and behaviour. J Pharm Pharmacol 2011; 63:230-7. [PMID: 21235587 DOI: 10.1111/j.2042-7158.2010.01204.x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
OBJECTIVES Taurine, a sulfur-containing amino acid, has high hydrophilicity and is poorly absorbed. Tauropyrone, a taurine-containing 1,4-dihydropyridine derivative, is suggested to have greater activity than taurine owing to improved physicochemical properties that facilitate delivery of the compound to target cells. The aim of this study was to determine whether the 1,4-dihydropyridine moiety in tauropyrone improves the pharmacological efficacy of taurine in vitro and in vivo. METHODS The effects of taurine and tauropyrone, as well as of the 1,4-dihydropyridine moiety were compared in in-vitro experiments to determine the binding to GABA receptors and influence on mitochondrial processes (isolated rat liver mitochondria), and in in-vivo tests to assess the influence on behavioural effects caused by the GABA-A receptor ligands, bicuculline, diazepam and ethanol. KEY FINDINGS Unlike taurine, tauropyrone did not display binding activity for the GABA-A receptor, and only taurine (but not tauropyrone) at low doses (0.1, 1.0 and 10 mg/kg) antagonised the bicuculline-induced convulsion effect. Taurine and tauropyrone had no effect on diazepam myorelaxing action, and they both exerted a comparable 'anti-ethanol' effect (shortening of the ethanol-sleeping time). Taurine and tauropyrone did not influence processes of mitochondrial bioenergetics. CONCLUSIONS The action of tauropyrone at the level of the GABA-A receptor differs qualitatively from that of taurine, probably because of its 1,4-dihydropyridine moiety, which may hinder access to the GABA-A receptor GABA site. Tauropyrone does not show improved pharmacological efficacy in in-vitro and in-vivo studies in comparison with taurine.
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Affiliation(s)
- Zane Dzirkale
- Department of Pharmacology, Faculty of Medicine, University of Latvia, 1A Sarlotes Street, Riga, Latvia.
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Bellavite P, Magnani P, Zanolin E, Conforti A. Homeopathic Doses of Gelsemium sempervirens Improve the Behavior of Mice in Response to Novel Environments. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2011; 2011:362517. [PMID: 19752165 PMCID: PMC3135388 DOI: 10.1093/ecam/nep139] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/24/2009] [Accepted: 08/17/2009] [Indexed: 11/12/2022]
Abstract
Gelsemium sempervirens is used in homeopathy for treating patients with anxiety related symptoms, however there have been few experimental studies evaluating its pharmacological activity. We have investigated the effects of homeopathic doses of G. sempervirens on mice, using validated behavioral models. Centesimal (CH) dilutions/dynamizations of G. sempervirens, the reference drug diazepam (1 mg/kg body weight) or a placebo (solvent vehicle) were intraperitoneally delivered to groups of mice of CD1 strain during 8 days, then the effects were assessed by the Light-Dark (LD) choice test and by the Open-Field (OF) exploration test, in a fully blind manner. In the LD test, the mean time spent in the illuminated area by control and placebo-treated animals was 15.98%, for mice treated with diazepam it increased to 19.91% (P = .047), while with G. sempervirens 5 CH it was 18.11% (P = .341, non-significant). The number of transitions between the two compartments increased with diazepam from 6.19 to 9.64 (P < .001) but not with G. Sempervirens. In the OF test, G. sempervirens 5 CH significantly increased the time spent and the distance traveled in the central zone (P = .009 and P = .003, resp.), while diazepam had no effect on these OF test parameters. In a subsequent series of experiments, G. sempervirens 7 and 30 CH also significantly improved the behavioral responses of mice in the OF test (P < .01 for all tested variables). Neither dilutions of G. sempervirens affected the total distance traveled, indicating that the behavioral effect was not due to unspecific changes in locomotor activity. In conclusion, homeopathic doses of G. sempervirens influence the emotional responses of mice to novel environments, suggesting an improvement in exploratory behavior and a diminution of thigmotaxis or neophobia.
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Affiliation(s)
- Paolo Bellavite
- Department of Morphological Biomedical Sciences (Chemistry and Microscopy Section), University of Verona, Verona 37134, Italy
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Domange C, Casteignau A, Collignon G, Pumarola M, Priymenko N. Longitudinal study of Australian stringhalt cases in France. J Anim Physiol Anim Nutr (Berl) 2010; 94:712-20. [DOI: 10.1111/j.1439-0396.2010.01019.x] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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