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Calabrese EJ, Pressman P, Hayes AW, Kapoor R, Dhawan G, Agathokleous E, Calabrese V. Taurine induces hormesis in multiple biological models: May have transformative implications for overall societal health. Chem Biol Interact 2024; 392:110930. [PMID: 38432405 DOI: 10.1016/j.cbi.2024.110930] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Revised: 02/14/2024] [Accepted: 02/22/2024] [Indexed: 03/05/2024]
Abstract
This paper represents the first integrative assessment and documentation of taurine-induced hormetic effects in the biological and biomedical areas, their dose response features, mechanistic frameworks, and possible public health, therapeutic and commercial applications. Taurine-induced hormetic effects are documented in a wide range of experimental models, cell types and for numerous biological endpoints, with most of these experimental findings being reported within the past five years. It is suggested that the concept of hormesis may have a transformative effect on taurine research and its public health and therapeutic applications.
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Affiliation(s)
- Edward J Calabrese
- School of Public Health and Health Sciences, Department of Environmental Health, Morrill I-N344, University of Massachusetts, Amherst, MA, 01003, USA.
| | - Peter Pressman
- University of Maine, 5728 Fernald Hall, Room 201, Orono, ME, 04469, USA.
| | - A Wallace Hayes
- Center for Environmental Occupational Risk Analysis and Management, College of Public Health, University of South Florida, Tampa, FL, USA.
| | - Rachna Kapoor
- Saint Francis Hospital and Medical Center, Hartford, CT, USA.
| | - Gaurav Dhawan
- Sri Guru Ram Das (SGRD), University of Health Sciences, Amritsar, India.
| | - Evgenios Agathokleous
- School of Ecology and Applied Meteorology, Nanjing University of Information Science & Technology, Nanjing, 210044, China.
| | - Vittorio Calabrese
- Department of Biomedical and Biotechnological Sciences, School of Medicine University of Catania, Via Santa Sofia 97, Catania, 95123, Italy.
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2
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Neuwirth LS, Gökhan N, Kaye S, Meehan EF. Taurine Supplementation for 48-Months Improved Glucose Tolerance and Changed ATP-Related Enzymes in Avians. Pharmacology 2023; 108:599-606. [PMID: 37703842 DOI: 10.1159/000533538] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Accepted: 08/04/2023] [Indexed: 09/15/2023]
Abstract
Avians differ from mammals, especially in brain architecture and metabolism. Taurine, an amino acid basic to metabolism and bioenergetics, has been shown to have remarkable effects on metabolic syndrome and ameliorating oxidative stress reactions across species. However, less is known regarding these metabolic relationships in the avian model. The present study serves as a preliminary report that examined how taurine might affect avian metabolism in an aged model system. Two groups of pigeons (Columba livia) of mixed sex, a control group and a group that received 48 months of taurine supplementation (0.05% w/v) in their drinking water, were compared by using blood panels drawn from their basilic vein by a licensed veterinarian. From the blood panel data, taurine treatment generated higher levels of three ATP-related enzymes: glutamate dehydrogenase (GLDH), lactate dehydrogenase (LDH), and creatine kinase (CK). In this preliminary study, the role that taurine treatment might play in the adult aged pigeon's metabolism on conserved traits such as augmenting insulin production as well as non-conserved traits maintaining high levels of ATP-related enzymes was examined. It was found that taurine treatment influenced the avian glucose metabolism similar to mammals but differentially effected avian ATP-related enzymes in a unique way (i.e., ∼×2 increase in CK and LDH with a nearly ×4 increase in GLDH). Notably, long-term supplementation with taurine had no negative effect on parameters of lipid and protein metabolism nor liver enzymes. The preliminary study suggests that avians may serve as a unique model system for investigating taurine metabolism across aging with long-term health implications (e.g., hyperinsulinemia). However, the suitability of using the model would require researchers to tightly control for age, sex, dietary intake, and exercise conditions as laboratory-housed avian present with very different metabolic panels than free-flight avians, and their metabolic profile may not correlate one-to-one with mammalian data.
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Affiliation(s)
- Lorenz S Neuwirth
- SUNY Old Westbury, Old Westbury, Long Island City, New York, USA
- SUNY Neuroscience Research Institute, Old Westbury, Long Island City, New York, USA
| | - Nurper Gökhan
- (CUNY) Department of Social Sciences, LaGuardia Community College, Long Island City, New York, USA
| | - Sarrah Kaye
- The Staten Island Zoological Society, Staten Island, New York, New York, USA
| | - Edward F Meehan
- The College of Staten Island (CUNY) Department of Psychology, Staten Island, New York, New York, USA
- The Center for Developmental Neuroscience, Staten Island, New York, New York, USA
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3
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Zhou R, Huang C, Bi N, Li L, Li C, Gu X, Song Y, Wang HL. Chronic Pb Exposure Induces Anxiety and Depression-like Behaviors in Mice via Excitatory Neuronal Hyperexcitability in Ventral Hippocampal Dentate Gyrus. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2023; 57:12222-12233. [PMID: 37559393 DOI: 10.1021/acs.est.3c03426] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/11/2023]
Abstract
Lead (Pb) is a widespread neurotoxic pollutant. Pb exposure is associated with mood disorders, with no well-established neural mechanisms elucidated. In the present study, we aimed to investigate whether excitatory neurons in the dentate gyrus subregion of the ventral hippocampus (vDG) played a key role in Pb-induced anxiety and depression-like behaviors. C57BL/6 mice were exposed to 100 ppm Pb starting on day 1 of pregnancy until experiments were performed using the offspring. Behavioral studies suggested that chronic Pb exposure triggered anxiety and depression-like behaviors. A combination of electrophysiological, optogenetic, and immunohistochemistry experiments was conducted. Results showed that Pb exposure resulted in excitatory neuronal hyperexcitability in vDG and that the behavioral deficits caused by Pb exposure could be rescued by inhibition of excitatory neuronal activity. Moreover, it was found that the action potential (AP) threshold of excitatory neurons was decreased by electrophysiological recordings. Our study demonstrates a significant role for excitatory neurons in vDG in Pb-induced anxiety and depression-like behaviors in mice, which is likely a result of decreased AP threshold. These outcomes can serve as an important basis for understanding mechanisms of anxiety and depression under environmental Pb exposure and help in the design of therapeutic strategies.
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Affiliation(s)
- Ruiqing Zhou
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230000, Anhui, PR China
| | - Chengqing Huang
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230000, Anhui, PR China
| | - Nanxi Bi
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230000, Anhui, PR China
| | - Ling Li
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230000, Anhui, PR China
| | - Changqing Li
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230000, Anhui, PR China
| | - Xiaozhen Gu
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230000, Anhui, PR China
| | - Yang Song
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, PR China
| | - Hui-Li Wang
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230000, Anhui, PR China
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4
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Stary D, Bajda M. Taurine and Creatine Transporters as Potential Drug Targets in Cancer Therapy. Int J Mol Sci 2023; 24:ijms24043788. [PMID: 36835201 PMCID: PMC9964810 DOI: 10.3390/ijms24043788] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Revised: 02/07/2023] [Accepted: 02/10/2023] [Indexed: 02/16/2023] Open
Abstract
Cancer cells are characterized by uncontrolled growth, proliferation, and impaired apoptosis. Tumour progression could be related to poor prognosis and due to this fact, researchers have been working on novel therapeutic strategies and antineoplastic agents. It is known that altered expression and function of solute carrier proteins from the SLC6 family could be associated with severe diseases, including cancers. These proteins were noticed to play important physiological roles through transferring nutrient amino acids, osmolytes, neurotransmitters, and ions, and many of them are necessary for survival of the cells. Herein, we present the potential role of taurine (SLC6A6) and creatine (SLC6A8) transporters in cancer development as well as therapeutic potential of their inhibitors. Experimental data indicate that overexpression of analyzed proteins could be connected with colon or breast cancers, which are the most common types of cancers. The pool of known inhibitors of these transporters is limited; however, one ligand of SLC6A8 protein is currently tested in the first phase of clinical trials. Therefore, we also highlight structural aspects useful for ligand development. In this review, we discuss SLC6A6 and SLC6A8 transporters as potential biological targets for anticancer agents.
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Affiliation(s)
- Dorota Stary
- Department of Physicochemical Drug Analysis, Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9 St., 30-688 Cracow, Poland
- Doctoral School of Medical and Health Sciences, Jagiellonian University Medical College, św. Łazarza 16 St., 31-530 Cracow, Poland
| | - Marek Bajda
- Department of Physicochemical Drug Analysis, Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9 St., 30-688 Cracow, Poland
- Correspondence:
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5
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Gao Y, Sun C, Gao T, Liu Z, Yang Z, Deng H, Fan P, Gao J. Taurine ameliorates volatile organic compounds-induced cognitive impairment in young rats via suppressing oxidative stress, regulating neurotransmitter and activating NMDA receptor. Front Vet Sci 2022; 9:999040. [PMID: 36187803 PMCID: PMC9523873 DOI: 10.3389/fvets.2022.999040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Accepted: 08/24/2022] [Indexed: 11/13/2022] Open
Abstract
Long-term exposure to volatile organic compounds (VOCs) in children leads to intellectual and cognitive impairment. Taurine is an essential nutritional amino acid for children, which can improve neurological development in children. However, the neuroprotective effect of taurine on VOCs-induced cognitive impairment in children remains unclear. The aim of this study was to investigate the neuroprotective effects of taurine on VOCs-induced cognitive impairment in young rats. The rats were nose-only exposed to VOCs for a period of 4 weeks to create a model of cognitive impairment, and 0.5% and 1% taurine in tap water were administered throughout the trial period, respectively. Our results showed that young rats adjusted the recovery of their physiological functions by voluntarily increasing the intake of taurine in tap water when exposed to excessive VOCs by inhalation. In addition, taurine enhanced grasp, shortened the latency period of escape, and improved the learning and memory function of young rats. Moreover, taurine decreased malondialdehyde (MDA), γ-aminobutyric acid (GABA), Aspartate aminotransferase (AST), Alanine aminotransferase (ALT), Urea, Creatinine (CREA) and injury biomarker level, enhanced superoxide dismutase (SOD), reduced glutathione (GSH) and glutamic acid (Glu) activities, up-regulated the protein expression of brain derived neurotrophic factor (BDNF) and N-Methyl-d-aspartate receptor 1 (NMDAR1) in model rats, and in most of cases 1% but not 0.5%, ameliorated the defects induced by VOCs. Collectively, these findings suggested that taurine protected against VOCs-induced cognitive-behavioral impairment in young rats through inhibiting oxidative stress and regulating neurotransmitter homeostasis. In addition, taurine were capable of restoring abilities of learning and memory in young rats exposed to VOCs by activating the N-Methyl-d-aspartate (NMDA) receptor. The findings suggest taurine as a potential novel drug for the treatment of cognitive behavioral disorders in children.
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Affiliation(s)
- Yongchao Gao
- Toxicology Research Center, Institute for Hygiene of Ordnance Industry, Xi'an, China
| | - Chao Sun
- Xijing Hospital, The Fourth Military Medical University, Xi'an, China
| | - Ting Gao
- Toxicology Research Center, Institute for Hygiene of Ordnance Industry, Xi'an, China
| | - Zhiyong Liu
- Toxicology Research Center, Institute for Hygiene of Ordnance Industry, Xi'an, China
| | - Zhao Yang
- Toxicology Research Center, Institute for Hygiene of Ordnance Industry, Xi'an, China
| | - Hui Deng
- Toxicology Research Center, Institute for Hygiene of Ordnance Industry, Xi'an, China
| | - Peng Fan
- Toxicology Research Center, Institute for Hygiene of Ordnance Industry, Xi'an, China
| | - Junhong Gao
- Toxicology Research Center, Institute for Hygiene of Ordnance Industry, Xi'an, China
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6
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Cruz GB, Vasquez MA, Cabañas E, Joseph JN, Skeen JC, Lynch KP, Ahmed I, Khairi EB, Bonitto JR, Clarke EG, Rubi S, Hameed N, Kaur S, Mathew N, Dacius TF, Jose TJ, Handford G, Wolfe S, Feher A, Tidwell K, Tobin J, Ugalde E, Fee S, Choe A, Gillenwater K, Hindi B, Pilout S, Natale NR, Domahoski N, Kent MH, Jacob JC, Lambert KG, Neuwirth LS. Developmental Lead Exposure in Rats Causes Sex-Dependent Changes in Neurobiological and Anxiety-Like Behaviors that Are Improved by Taurine Co-treatment. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2022; 1370:461-479. [DOI: 10.1007/978-3-030-93337-1_43] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/09/2022]
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7
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Neuwirth LS, Emenike BU, Cruz GB, Cabañas E, Vasquez MA, Joseph JN, Ayaz Z, Mian M, Ali MM, Clarke EG, Barrera ED, Hameed N, Rubi S, Dacius TF, Skeen JC, Bonitto JR, Khairi EB, Iqbal A, Ahmed I, Jose TJ, Lynch KP, Alivira A, Mathew N, Kaur S, Masood S, Tranquilee B, Thiruverkadu V. Taurine-Derived Compounds Produce Anxiolytic Effects in Rats Following Developmental Lead Exposure. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2022; 1370:445-460. [PMID: 35882818 DOI: 10.1007/978-3-030-93337-1_42] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/09/2022]
Abstract
Lead (Pb2+) is a developmental neurotoxicant that disrupts the GABA-shift and subsequently causes alterations in the brain's excitation-to-inhibition (E/I) balance. Taurine is a well-established neuroprotective and inhibitory compound for regulating brain excitability. Since mechanistically taurine can facilitate neuronal inhibition through the GABA-AR, the present study examined the anxiolytic potential of taurine derivatives. Treatment groups consisted of the following developmental Pb2+-exposures: Control (0 ppm) and Perinatal (150 ppm or 1,000 ppm lead acetate in the drinking water). Rats were scheduled for behavioral tests between postnatal days (PND) 36-45 with random drug assignments to either saline, taurine, or taurine-derived compound (TD-101, TD-102, or TD-103) to assess the rats' responsivity to each drug in mitigating the developmental Pb2+-exposure and anxiety-like behaviors through the GABAergic system. Long-Evans hooded rats were assessed using an open field (OF) test for preliminary locomotor assessment. Twenty-four hours later, the same rats were exposed to the elevated plus maze (EPM) and were given an i.p. injection of 43 mg/Kg of the saline, taurine, or TD drugs 15 min prior to testing. Each rat was tested using the triple-blind random assignment method for each drug condition. The OF data revealed that Control female rats had increased locomotor activity over Control male rats, and the Pb2+-exposed males and females had increased locomotor activity when compared to the Control male and female rats. However, in the EPM, the Control female rats exhibited more anxiety-like behaviors over Control male rats, and the Pb2+-exposed male and female rats showed selective responsivity to TD drugs when compared to taurine. For Pb2+-exposed males, TD-101 showed consistent recovery of anxiety-like behaviors similar to that of taurine regardless of Pb2+ dose, whereas in Pb2+-exposed females TD-101 and TD-103 showed greater anxiolytic responses in the EPM. The results from the present psychopharmacological study suggests that taurine and its derivatives are interesting drug candidates to explore sex-specific mechanisms and actions of taurine and the associated GABAergic receptor properties by which these compounds alleviate anxiety as a potential behavioral pharmacotherapy for neurodevelopmental Pb2+ exposure.
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Affiliation(s)
- Lorenz S Neuwirth
- Department of Psychology, SUNY Old Westbury, Old Westbury, NY, USA.
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA.
| | - Bright U Emenike
- Department of Chemistry and Physics, SUNY Old Westbury, Old Westbury, NY, USA
| | - George B Cruz
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA
- Department of Biology, SUNY Old Westbury, Old Westbury, NY, USA
| | - Ericka Cabañas
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA
- Department of Biology, SUNY Old Westbury, Old Westbury, NY, USA
| | - Michelle A Vasquez
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA
- Department of Chemistry and Physics, SUNY Old Westbury, Old Westbury, NY, USA
| | - Jewel N Joseph
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA
- Department of Biology, SUNY Old Westbury, Old Westbury, NY, USA
| | - Zaid Ayaz
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA
- Department of Biology, SUNY Old Westbury, Old Westbury, NY, USA
| | - Mohammed Mian
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA
- Department of Biology, SUNY Old Westbury, Old Westbury, NY, USA
| | - Mohamed M Ali
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA
- Department of Biology, SUNY Old Westbury, Old Westbury, NY, USA
| | - Evan G Clarke
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA
- Department of Biology, SUNY Old Westbury, Old Westbury, NY, USA
| | - Eddy D Barrera
- Department of Psychology, SUNY Old Westbury, Old Westbury, NY, USA
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA
| | - Nimra Hameed
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA
- Department of Biology, SUNY Old Westbury, Old Westbury, NY, USA
| | - Samantha Rubi
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA
- Department of Biology, SUNY Old Westbury, Old Westbury, NY, USA
| | - Teddy F Dacius
- Department of Psychology, SUNY Old Westbury, Old Westbury, NY, USA
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA
| | - Jourvonn C Skeen
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA
- Department of Biology, SUNY Old Westbury, Old Westbury, NY, USA
| | - Jalen R Bonitto
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA
- Department of Biology, SUNY Old Westbury, Old Westbury, NY, USA
| | - Eric B Khairi
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA
- Department of Biology, SUNY Old Westbury, Old Westbury, NY, USA
| | - Asma Iqbal
- Department of Psychology, SUNY Old Westbury, Old Westbury, NY, USA
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA
| | - Isra Ahmed
- Department of Psychology, SUNY Old Westbury, Old Westbury, NY, USA
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA
| | - Tokunbo J Jose
- Department of Psychology, SUNY Old Westbury, Old Westbury, NY, USA
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA
| | - Kirsten P Lynch
- Department of Psychology, SUNY Old Westbury, Old Westbury, NY, USA
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA
| | - Amber Alivira
- Department of Psychology, SUNY Old Westbury, Old Westbury, NY, USA
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA
| | - Neena Mathew
- Department of Psychology, SUNY Old Westbury, Old Westbury, NY, USA
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA
| | - Sukhpreet Kaur
- Department of Psychology, SUNY Old Westbury, Old Westbury, NY, USA
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA
| | - Sidrah Masood
- Department of Psychology, SUNY Old Westbury, Old Westbury, NY, USA
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA
| | - Bettina Tranquilee
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA
- Department of Biology, SUNY Old Westbury, Old Westbury, NY, USA
| | - Veni Thiruverkadu
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA
- Department of Biology, SUNY Old Westbury, Old Westbury, NY, USA
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8
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Influences of Taurine Pharmacodynamics and Sex on Active Avoidance Learning and Memory. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2022; 1370:381-393. [DOI: 10.1007/978-3-030-93337-1_36] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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9
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In Vivo Sex-Dependent Effects of Perinatal Pb2+ Exposure on Pilocarpine-Induced Seizure Susceptibility and Taurine Neuropharmacology. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2022; 1370:481-496. [DOI: 10.1007/978-3-030-93337-1_44] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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10
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Neuwirth L, Okeke E, El Idrissi A. Developmental Pb 2+-Exposure induces cardiovascular pathologies in adult male rats. HEART AND MIND 2022. [DOI: 10.4103/hm.hm_73_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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11
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Zhang Y, Zhang P, Yu P, Shang X, Lu Y, Li Y. Transcriptome analysis reveals the mechanism of common carp brain injury after exposure to lead. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 743:140796. [PMID: 32673925 DOI: 10.1016/j.scitotenv.2020.140796] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2020] [Revised: 06/29/2020] [Accepted: 07/05/2020] [Indexed: 06/11/2023]
Abstract
Lead, a widespread industrial pollutant, has been known as a powerful neurotoxin that could affect the central nervous system. Accumulating evidences demonstrated that lead exposure could result in the damage of brain tissues both in fish and human. However, the mechanism of lead induced brain injury has not been fully elucidated. The purpose of this study was to clarify the possible mechanism of common carp brain injury after exposure to lead through transcriptome analysis. Transcriptome analysis showed that 2141 differentially expressed genes were identified. Among these, 502 genes were up-regulated and 1639 genes were down-regulated. Meanwhile, GO enrichment analysis showed Transport, biological_process, DNA-templated (regulation of transcription) and signal transduction contained the most differential genes in the biological process. Furthermore, KEGG pathway enrichment analysis showed Ion channels, GnRH signaling pathway, cell adhesion molecules, Wnt signaling pathway, and calcium signaling pathway were significantly enriched. In addition, 10 differentially expressed genes were selected for qRT-PCR detection, and the results demonstrated that the selected genes exhibited the same trends with the RNA-Seq results, which indicates the transcriptome sequencing data is reliable. In conclusion, the above results provide a theoretical basis for clarifying the relationship between lead exposure and brain injury in common carp and for further studying of the genes related to lead poisoning.
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Affiliation(s)
- Yue Zhang
- College of Animal Science and Technology, Jilin Agricultural University, Changchun 130118, China; Ministry of Education Laboratory of Animal Production and Quality Security, Jilin Agricultural University, Changchun 130118, China
| | - Peijun Zhang
- Health Monitoring and Inspection Center of Jilin Province, Changchun 130062, China
| | - Peng Yu
- College of Electronic and Information Engineering, Changchun University of Science and Technology, Changchun 130022, China
| | - Xinchi Shang
- College of Animal Science and Technology, Jilin Agricultural University, Changchun 130118, China; Ministry of Education Laboratory of Animal Production and Quality Security, Jilin Agricultural University, Changchun 130118, China
| | - Yuting Lu
- College of Animal Science and Technology, Jilin Agricultural University, Changchun 130118, China; Ministry of Education Laboratory of Animal Production and Quality Security, Jilin Agricultural University, Changchun 130118, China
| | - Yuehong Li
- College of Animal Science and Technology, Jilin Agricultural University, Changchun 130118, China; Ministry of Education Laboratory of Animal Production and Quality Security, Jilin Agricultural University, Changchun 130118, China.
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12
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Neuwirth LS, Emenike BU, Barrera ED, Hameed N, Rubi S, Dacius TF, Skeen JC, Bonitto JR, Khairi E, Iqbal A, Ahmed I, Jose TJ, Lynch K, Khan M, Alvira AL, Mathew N, Kaur S, Masood S, Tranquilee B, Thiruverkadu V. Assessing the Anxiolytic Properties of Taurine-Derived Compounds in Rats Following Developmental Lead Exposure: A Neurodevelopmental and Behavioral Pharmacological Pilot Study. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2019; 1155:801-819. [PMID: 31468449 DOI: 10.1007/978-981-13-8023-5_69] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]
Abstract
Lead (Pb2+) is a developmental neurotoxicant that causes alterations in the brain's excitation-to-inhibition (E/I) balance. By increasing chloride concentration through GABA-ARs, taurine serves as an effective inhibitory compound for maintaining appropriate levels of brain excitability. Considering this pharmacological mechanism of taurine facilitated inhibition through the GABA-AR, the present pilot study sought to explore the anxiolytic potential of taurine derivatives. Treatment groups consisted of the following developmental Pb2+-exposures: Control (0 ppm) and Perinatal (150 ppm or 1000 ppm lead acetate in the drinking water). Rats were scheduled for behavioral tests between postnatal days (PND) 36-45 with random assignments to either solutions of Saline, Taurine, or Taurine Derived compounds (i.e., TD-101, TD-102, or TD-103) to assess the rats' responsiveness to each drug in mitigating the developmental Pb2+-exposure through the GABAergic system. Long Evans Hooded rats were assessed using an Open Field (OF) test for preliminary locomotor assessment. Approximately 24-h after the OF, the same rats were exposed to the Elevated Plus Maze (EPM) and were given an i.p. injection of 43 mg/Kg of the Saline, Taurine, or TD drugs 15-min prior to testing. Each rat was tested using the random assignment method for each pharmacological condition, which was conducted using a triple-blind procedure. The OF data revealed that locomotor activity was unaffected by Pb2+-exposure with no gender differences observed. However, Pb2+-exposure induced an anxiogenic response in the EPM, which interestingly, was ameliorated in a gender-specific manner in response to taurine and TD drugs. Female rats exhibited more anxiogenic behavior than the male rats; and as such, exhibited a greater degree of anxiety that were recovered in response to Taurine and its derivatives as a drug therapy. The results from the present psychopharmacological pilot study suggests that Taurine and its derivatives could provide useful data for further exploring the pharmacological mechanisms and actions of Taurine and the associated GABAergic receptor properties by which these compounds alleviate anxiety as a potential behavioral pharmacotherapy for treating anxiety and other associated mood disorders.
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Affiliation(s)
- Lorenz S Neuwirth
- Department of Psychology, SUNY Old Westbury, Old Westbury, NY, USA. .,SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA.
| | - Bright U Emenike
- Department of Chemistry & Physics, SUNY Old Westbury, Old Westbury, NY, USA
| | - Eddy D Barrera
- Department of Psychology, SUNY Old Westbury, Old Westbury, NY, USA.,SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA
| | - Nimra Hameed
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA.,Department of Biology, SUNY Old Westbury, Old Westbury, NY, USA
| | - Samantha Rubi
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA.,Department of Biology, SUNY Old Westbury, Old Westbury, NY, USA
| | - Teddy F Dacius
- Department of Psychology, SUNY Old Westbury, Old Westbury, NY, USA.,SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA
| | - Jourvonn C Skeen
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA.,Department of Biology, SUNY Old Westbury, Old Westbury, NY, USA
| | - Jalen R Bonitto
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA.,Department of Biology, SUNY Old Westbury, Old Westbury, NY, USA
| | - Eric Khairi
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA.,Department of Biology, SUNY Old Westbury, Old Westbury, NY, USA
| | - Asma Iqbal
- Department of Psychology, SUNY Old Westbury, Old Westbury, NY, USA.,SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA
| | - Isra Ahmed
- Department of Psychology, SUNY Old Westbury, Old Westbury, NY, USA.,SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA
| | - Tokunbo J Jose
- Department of Psychology, SUNY Old Westbury, Old Westbury, NY, USA.,SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA
| | - Kirsten Lynch
- Department of Psychology, SUNY Old Westbury, Old Westbury, NY, USA.,SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA
| | - Maheen Khan
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA.,Department of Neuroscience, Johns Hopkins University, Baltimore, MD, USA
| | - Amber L Alvira
- Department of Psychology, SUNY Old Westbury, Old Westbury, NY, USA.,SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA
| | - Neena Mathew
- Department of Psychology, SUNY Old Westbury, Old Westbury, NY, USA.,SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA
| | - Sukhpreet Kaur
- Department of Psychology, SUNY Old Westbury, Old Westbury, NY, USA.,SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA
| | - Sidrah Masood
- Department of Psychology, SUNY Old Westbury, Old Westbury, NY, USA.,SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA
| | - Bettina Tranquilee
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA.,Department of Biology, SUNY Old Westbury, Old Westbury, NY, USA
| | - Veni Thiruverkadu
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA.,Department of Biology, SUNY Old Westbury, Old Westbury, NY, USA
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13
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Roles of taurine in cognitive function of physiology, pathologies and toxication. Life Sci 2019; 231:116584. [DOI: 10.1016/j.lfs.2019.116584] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2019] [Revised: 06/09/2019] [Accepted: 06/17/2019] [Indexed: 11/23/2022]
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14
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Neuwirth LS, Kim Y, Barrerra ED, Jo C, Chrisphonte JM, Hameed N, Rubi S, Dacius TF, Skeen JC, Bonitto JR, Khairi E, Iqbal A, Ahmed I, Masood S, Tranquilee B, Thiruverkadu V. Early Neurodevelopmental Exposure to Low Lead Levels Induces Fronto-executive Dysfunctions That Are Recovered by Taurine Co-treatment in the Rat Attention Set-Shift Test: Implications for Taurine as a Psychopharmacotherapy Against Neurotoxicants. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2019; 1155:821-846. [PMID: 31468450 DOI: 10.1007/978-981-13-8023-5_70] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Lead (Pb2+) is a developmental neurotoxicant that causes lifelong cognitive dysfunctions. In particular, Pb2+-induced frontoexecutive dysfunctions emerge later in life when the cortex is fully myelinated, thereby permitting the ability to assess the extent to which Pb2+ has developmentally impacted higher order cognitive and behavioral systems. The present study evaluated the effects of developmental Pb2+-exposure (150 ppm lead acetate in the drinking water) in Long Evans Hooded rats through the Attention Set-Shift Test (ASST) between postnatal days (PND) 60-90. Treatment groups were comprised of Control (0 ppm), Perinatal (150 ppm), and Perinatal+Taurine (150 ppm + 0.05% Taurine in the drinking water) rats (N = 36; n = 6 per treatment group for each sex). Frontoexecutive functions were evaluated based on trials-to-criterion (TTC) and errors-to-criterion (ETC) measures for simple and complex discriminations (SD & CD), intradimensional and extradimensional shifts (ID & ED), as well as reversals (Rev) of the CD, I-, and ED stages, respectively. Post-testing, the prelimbic (PrL), infralimbic (IL), orbital ventral frontal (OV), orbital ventro-lateral (OVL), and hippocampal (HP) brain regions were extracted and processed through Liquid Chromatography/Mass Spectrophotometry (LC/MS) for determining the GABA and Taurine ratios relative to Glutamate, Dopamine, Norepinephrine, Epinephrine, and Serotonin. The ASST data revealed that Perinatal rats are negatively impacted by developmental Pb2+-exposures evidenced by increased TTC and ETC to learn the SD, ID, and ID-Rev with unique sex-based differences in frontoexecutive dysfunctions. Moreover, Perinatal+Taurine co-treated rats exhibited a recovery of the frontoexecutive dysfunctions observed in Perinatal rats to levels equivalent to Control rats across both sexes. The LC/MS data revealed altered brain sub-region specific patterns across the PrL, IL, OV, OVL, and HP in response to developmental Pb2+-exposure that produced an altered neurochemical signaling profile in a sex-dependent manner, which may underlie the observed frontoexecutive dysfunctions, cognitive inflexibility, and associated motivation deficits. When taurine co-treatment was administered concurrently for the duration of developmental Pb2+-exposure, the observed frontoexecutive dysfunctions were significantly reduced in both ASST task performance and neurochemical ratios that were comparable to Control levels for both sexes. Altogether, the data suggest that taurine co-treatment may facilitate neuroprotection, mitigate neurotransmitter excitability balancing, and perhaps ameliorate against neurotoxicant exposures in early development as a potential psychopharmacotherapy.
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Affiliation(s)
- Lorenz S Neuwirth
- Department of Psychology, SUNY Old Westbury, Old Westbury, NY, USA. .,SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA.
| | - Youngjoo Kim
- Department of Chemistry & Physics, SUNY Old Westbury, Old Westbury, NY, USA.,iCARE Institute, SUNY Old Westbury, Old Westbury, NY, USA
| | - Eddy D Barrerra
- Department of Psychology, SUNY Old Westbury, Old Westbury, NY, USA.,SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA
| | - Cyrus Jo
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA.,Department of Biology, SUNY Old Westbury, Old Westbury, NY, USA
| | - Jean-Martin Chrisphonte
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA.,iCARE Institute, SUNY Old Westbury, Old Westbury, NY, USA
| | - Nimra Hameed
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA.,Department of Biology, SUNY Old Westbury, Old Westbury, NY, USA
| | - Samantha Rubi
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA.,Department of Biology, SUNY Old Westbury, Old Westbury, NY, USA
| | - Teddy F Dacius
- Department of Psychology, SUNY Old Westbury, Old Westbury, NY, USA.,SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA
| | - Jourvonn C Skeen
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA.,Department of Biology, SUNY Old Westbury, Old Westbury, NY, USA
| | - Jalen R Bonitto
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA.,Department of Biology, SUNY Old Westbury, Old Westbury, NY, USA
| | - Eric Khairi
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA.,Department of Biology, SUNY Old Westbury, Old Westbury, NY, USA
| | - Asma Iqbal
- Department of Psychology, SUNY Old Westbury, Old Westbury, NY, USA.,SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA
| | - Isra Ahmed
- Department of Psychology, SUNY Old Westbury, Old Westbury, NY, USA.,SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA
| | - Sidrah Masood
- Department of Psychology, SUNY Old Westbury, Old Westbury, NY, USA.,SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA
| | - Bettina Tranquilee
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA.,Department of Biology, SUNY Old Westbury, Old Westbury, NY, USA
| | - Veni Thiruverkadu
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA.,Department of Biology, SUNY Old Westbury, Old Westbury, NY, USA
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15
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Neuwirth LS. Resurgent lead poisoning and renewed public attention towards environmental social justice issues: A review of current efforts and call to revitalize primary and secondary lead poisoning prevention for pregnant women, lactating mothers, and children within the U.S. INTERNATIONAL JOURNAL OF OCCUPATIONAL AND ENVIRONMENTAL HEALTH 2018; 24:86-100. [PMID: 30139311 PMCID: PMC6237172 DOI: 10.1080/10773525.2018.1507291] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2018] [Revised: 07/21/2018] [Accepted: 07/27/2018] [Indexed: 01/20/2023]
Abstract
The recent Colorado Gold King Mine waste-water spill and Michigan's water supply re-routing program catastrophe, has directed renewed public attention towards resurgent environmental lead contamination threats. Leaded environments present social justice issues for children and mothers possessing blood lead levels (BLLs) > 5 μg/dL. Childhood lead exposure remains a continual U.S. public health problem manifesting in lifelong adverse neuropsychological consequences. The 2007 Inspector General Report demonstrated low BLL screening rates across the U.S. and this study examined the regularity of children's BLL screening rates. The Centers for Disease Control and Prevention (CDC) Lead Poisoning National Surveillance 2010-2014 children's BLL screening rates, were examined to assess BLL screening regularity in states traditionally known to have regularly occurring BLL screenings: New York, New Jersey, and Pennsylvania. The results extracted from the CDC data showed that < 50% of children were BLL screened by six-years of age across the states that were sampled. The findings highlight that without a "clear map" of lead exposed areas through accurate and consistent BLL screenings, how the potential for such disparities within - and between-states within the U.S. could arise due to environmental social justice issues in relation to BLL screening barriers. Barriers preventing children's BLL screenings were considered, and public health interventions recommended to improve screening rates included: routine BLL screening for all pregnant women, lactating mothers, and children; while, removing known lead exposure sources within communities. This study calls for action during a time of renewed public attention to resurgent lead poisoning within the U.S.
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Affiliation(s)
- Lorenz S. Neuwirth
- Department of Psychology, SUNY Old Westbury, Old Westbury, NY, USA
- Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA
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16
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Neuwirth LS, Phillips GR, El Idrissi A. Perinatal Pb 2+ exposure alters the expression of genes related to the neurodevelopmental GABA-shift in postnatal rats. J Biomed Sci 2018; 25:45. [PMID: 29793500 PMCID: PMC5967126 DOI: 10.1186/s12929-018-0450-4] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2018] [Accepted: 05/18/2018] [Indexed: 12/16/2022] Open
Abstract
BACKGROUND Lead (Pb2+) is an environmental neurotoxicant that disrupts neurodevelopment, communication, and organization through competition with Ca2+ signaling. How perinatal Pb2+ exposure affects Ca2+-related gene regulation remains unclear. However, Ca2+ activates the L-Type voltage sensitive calcium channel β-3 subunit (Ca-β3), which autoregulates neuronal excitability and plays a role in the GABA-shift from excitatory-to-inhibitory neurotransmission. METHOD A total of eight females (n = 4 Control and n = 4 Perinatal) and four males (n = 2 Control and n = 2 Perinatal) rats were used as breeders to serve as Dams and Sires. The Dam's litters each ranged from N = 6-10 pups per litter (M = 8, SD = 2), irrespective of Pb2+ treatment, with a majority of males over females. Since there were more males in each of the litters than females, to best assess and equally control for Pb2+- and litter-effects across all developmental time-points under study, female pups were excluded due to an insufficient sample size availability from the litter's obtained. From the included pup litters, 24 experimentally naïve male Long Evans hooded rat pups (Control N = 12; Pb2+ N = 12) were used in the present study. Brains were extracted from rat prefrontal cortex (PFC) and hippocampus (HP) at postnatal day (PND) 2, 7, 14 and 22, were homogenized in 1 mL of TRIzol reagent per 100 mg of tissue using a glass-Teflon homogenizer. Post-centrifugation, RNA was extracted with chloroform and precipitated with isopropyl alcohol. RNA samples were then re-suspended in 100 μL of DEPC treated H2O. Next, 10 μg of total RNA was treated with RNase-free DNase (Qiagen) at 37 °C for 1 h and re-purified by a 3:1 phenol/chloroform extraction followed by an ethanol precipitation. From the purified RNA, 1 μg was used in the SYBR GreenER Two-Step qRT-PCR kit (Invitrogen) for first strand cDNA synthesis and the quantitative real-time PCR (qRT-PCR). The effects of perinatal Pb2+ exposure on genes related to early neuronal development and the GABA-shift were evaluated through the expression of: Ca-β3, GABAAR-β3, NKCC1, KCC2, and GAD 80, 86, 65, and 67 isoforms. RESULTS Perinatal Pb2+ exposure significantly altered the GABA-shift neurodevelopmental GOI expression as a function of Pb2+ exposure and age across postnatal development. Dramatic changes were observed with Ca-β3 expression consistent with a Pb2+ competition with L-type calcium channels. By PND 22, Ca-β3 mRNA was reduced by 1-fold and 1.5-fold in PFC and HP respectively, relative to controls. All HP GABA-β3 mRNA levels were particularly vulnerable to Pb2+ at PND 2 and 7, and both PFC and HP were negatively impacted by Pb2+ at PND 22. Additionally, Pb2+ altered both the PFC and HP immature GAD 80/86 mRNA expression particularly at PND 2, whereas mature GAD 65/67 were most significantly affected by Pb2+ at PND 22. CONCLUSIONS Perinatal Pb2+ exposure disrupts the expression of mRNAs related to the GABA-shift, potentially altering the establishment, organization, and excitability of neural circuits across development. These findings offer new insights into the altered effects Pb2+ has on the GABAergic system preceding what is known regarding Pb2+ insults unto the glutamatergic system.
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Affiliation(s)
- Lorenz S. Neuwirth
- Department of Psychology, SUNY Old Westbury, 223 Store Hill Road, Bldg.: NAB, Room: 2059, Old Westbury, NY 11568-1700 USA
- SUNY Old Westbury, Neuroscience Research Institute, 223 Store Hill Road, Bldg.: NAB, Room: 2059, Old Westbury, NY 11568-1700 USA
- Department of Biology, The College of Staten Island (CUNY), Staten Island, NY 10314 USA
- The CUNY Graduate Center, Biology Program, New York, NY 10016 USA
- The Center for Developmental Neuroscience, Staten Island, NY 10314 USA
| | - Greg R. Phillips
- Department of Biology, The College of Staten Island (CUNY), Staten Island, NY 10314 USA
- The CUNY Graduate Center, Biology Program, New York, NY 10016 USA
- The Center for Developmental Neuroscience, Staten Island, NY 10314 USA
| | - Abdeslem El Idrissi
- Department of Biology, The College of Staten Island (CUNY), Staten Island, NY 10314 USA
- The CUNY Graduate Center, Biology Program, New York, NY 10016 USA
- The Center for Developmental Neuroscience, Staten Island, NY 10314 USA
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17
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Effects of taurine on striatal dopamine transporter expression and dopamine uptake in SHR rats. Behav Brain Res 2018; 348:219-226. [PMID: 29694913 DOI: 10.1016/j.bbr.2018.04.031] [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] [Received: 03/01/2018] [Revised: 04/03/2018] [Accepted: 04/20/2018] [Indexed: 01/01/2023]
Abstract
Dopaminergic deficits in the prefrontal cortex and striatum have been attributed to the pathogenesis of attention-deficit hyperactivity disorder (ADHD). Our recent study revealed that high-dose taurine improves hyperactive behavior and brain-functional signals in SHR rats. This study investigates the effect of taurine on the SHR striatum by detecting the spontaneous alternation, DA transporter (DAT) level, dopamine uptake and brain-derived neurotrophic factor (BDNF) expression. A significant increase in the total arm entries was detected in both WKY and SHR rats fed with low-dose taurine but not in those fed with high-dose taurine. Notably, significantly increased spontaneous alternation was observed in SHR rats fed with high-dose taurine. Significantly higher striatal DAT level was detected in WKY rats fed with low-dose taurine but not in SHR rats, whereas significantly reduced striatal DAT level was detected in SHR rats fed with high-dose taurine but not in WKY rats. Significantly increased dopamine uptake was detected in the striatal synaptosomes of both WKY and SHR rats fed with low-dose taurine. Conversely, significantly reduced dopamine uptake was detected in the striatal synaptosomes of SHR rats fed with high-dose taurine. Accordingly, a negative correlation was detected between striatal dopamine uptake and spontaneous alternation in SHR rats fed with low or high-dose taurine. Significantly increased BDNF was detected in the striatum of both WKY and SHR rats fed with low or high-dose taurine. These findings indicate that different dosages of taurine have opposite effects on striatal DAT expression and dopamine uptake, suggesting high-dose taurine as a possible candidate for ADHD treatment.
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18
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Yang M, Li Y, Hu L, Luo D, Zhang Y, Xiao X, Li G, Zhang L, Zhu G. Lead exposure inhibits expression of SV2C through NRSF. Toxicology 2018; 398-399:23-30. [DOI: 10.1016/j.tox.2018.02.009] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2017] [Revised: 02/11/2018] [Accepted: 02/27/2018] [Indexed: 12/31/2022]
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