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Yang Y, Zhou ZD, Yi L, Tan BJW, Tan EK. Interaction between caffeine consumption & genetic susceptibility in Parkinson's disease: A systematic review. Ageing Res Rev 2024; 99:102381. [PMID: 38914264 DOI: 10.1016/j.arr.2024.102381] [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: 02/29/2024] [Revised: 06/03/2024] [Accepted: 06/14/2024] [Indexed: 06/26/2024]
Abstract
BACKGROUND Caffeine is one of the most consumed psychoactive substances globally. Caffeine-gene interactions in Parkinson's disease (PD) has not been systematically examined. OBJECTIVES To conduct a systematic review on the interaction between caffeine consumption and genetic susceptibility to PD. METHODOLOGY We conducted PubMed and Embase search using terms "Genetic association studies", "Caffeine", "polymorphism" and "Parkinson's disease", from inception till 2023. Of the initial 2391 studies, 21 case-control studies were included. The demographic, genetic and clinical data were extracted and analyzed. RESULTS We identified 21 studies which involved a total of 607,074 study subjects and 17 gene loci (SNCA, MAPT, HLA-DRA, NOS1, NOS3, GBA, ApoE, BST1, ESR2, NAT2, SLC2A13, LRRK2, NOS2A, GRIN2A, CYP1A2, ESR1, ADORA2A) have been investigated for the effect of gene-caffeine interaction and PD risk. The genes were identified through PD GWAS or involved in caffeine or related metabolism pathways. Based on the genetic association and interaction studies, only MAPT, SLC2A13, LRRK2, ApoE, NOS2A, GRIN2A, CYP1A2, and ADORA2A have been shown by at least one study to have a positive caffeine-gene interaction influencing the risk of PD. CONCLUSION Studies have shown an interaction between caffeine with genetic variants of MAPT, SLC2A13, LRRK2, ApoE, NOS2A, GRIN2A, CYP1A2, and ADORA2A in modulating the risk of PD. Due to the potential limitations of these discovery/pilot studies, further independent replication studies are needed. Better designed genetic association studies in multi-ancestry and admixed cohorts to identify potential shared or unique multivariate gene-environmental interactions, as well as functional studies of gene-caffeine interactions will be useful.
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Affiliation(s)
- Yujuan Yang
- Department of Neurology, National Neuroscience Institute, Singapore; Neuroscience and Behavioural Disorders, Duke-NUS Medical School, Singapore.
| | - Zhi Dong Zhou
- Department of Neurology, National Neuroscience Institute, Singapore; Neuroscience and Behavioural Disorders, Duke-NUS Medical School, Singapore.
| | - Lingxiao Yi
- Department of Neurology, National Neuroscience Institute, Singapore.
| | | | - Eng-King Tan
- Department of Neurology, National Neuroscience Institute, Singapore; Neuroscience and Behavioural Disorders, Duke-NUS Medical School, Singapore.
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Krisanova N, Pastukhov A, Dekaliuk M, Dudarenko M, Pozdnyakova N, Driuk M, Borisova T. Mercury-induced excitotoxicity in presynaptic brain nerve terminals: modulatory effects of carbonaceous airborne particulate simulants. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:3512-3525. [PMID: 38085481 DOI: 10.1007/s11356-023-31359-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Accepted: 11/30/2023] [Indexed: 01/19/2024]
Abstract
Multipollutant approach is a breakthrough in up-to-date environmental quality and health risk estimation. Both mercury and carbonaceous air particulate are hazardous neurotoxicants. Here, the ability of carbonaceous air particulate simulants, i.e. carbon dots obtained by heating of organics, and nanodiamonds, to influence Hg2+-induced neurotoxicity was monitored using biological system, i.e. presynaptic rat cortex nerve terminals. Using HgCl2 and classical reducing/chelating agents, an adequate synaptic parameter, i.e. the extracellular level of key excitatory neurotransmitter L-[14C]glutamate, was selected for further analysis. HgCl2 starting from 5 µM caused an acute and concentration-dependent increase in the extracellular L-[14C]glutamate level in nerve terminals. Combined application of Hg2+ and carbon dots from heating of citric acid/urea showed that this simulant was able to mitigate in an acute manner excitotoxic Hg2+-induced increase in the extracellular L-[14C]glutamate level in nerve terminals by 37%. These carbon dots and Hg2+ acted as a complex in nerve terminals that was confirmed with fluorimetric data on Hg2+-induced changes in their spectroscopic features. Nanodiamonds and carbon dots from β-alanine were not able to mitigate a Hg2+-induced increase in the extracellular L-[14C]glutamate level in nerve terminals. Developed approach can be applicable for monitoring capability of different particles/compounds to have Hg2+-chelating signs in the biological systems. Therefore, among testing simulants, the only carbon dots from citric acid/urea were able to mitigate acute Hg2+-induced neurotoxicity in nerve terminals, thereby showing a variety of effects of carbonaceous airborne particulate in situ and its potential to interfere and modulate Hg2+-associated health hazard.
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Affiliation(s)
- Nataliya Krisanova
- The Department of Neurochemistry, The Palladin Institute of Biochemistry, The National Academy of Sciences of Ukraine, 9 Leontovicha Street, Kiev, 01054, Ukraine
| | - Artem Pastukhov
- The Department of Neurochemistry, The Palladin Institute of Biochemistry, The National Academy of Sciences of Ukraine, 9 Leontovicha Street, Kiev, 01054, Ukraine
| | - Mariia Dekaliuk
- The Department of Neurochemistry, The Palladin Institute of Biochemistry, The National Academy of Sciences of Ukraine, 9 Leontovicha Street, Kiev, 01054, Ukraine
| | - Marina Dudarenko
- The Department of Neurochemistry, The Palladin Institute of Biochemistry, The National Academy of Sciences of Ukraine, 9 Leontovicha Street, Kiev, 01054, Ukraine
| | - Natalia Pozdnyakova
- The Department of Neurochemistry, The Palladin Institute of Biochemistry, The National Academy of Sciences of Ukraine, 9 Leontovicha Street, Kiev, 01054, Ukraine
| | - Mikola Driuk
- The Department of Neurochemistry, The Palladin Institute of Biochemistry, The National Academy of Sciences of Ukraine, 9 Leontovicha Street, Kiev, 01054, Ukraine
| | - Tatiana Borisova
- The Department of Neurochemistry, The Palladin Institute of Biochemistry, The National Academy of Sciences of Ukraine, 9 Leontovicha Street, Kiev, 01054, Ukraine.
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Engin AB, Neagu M. Editorial overview: Neuroreceptors and neurotoxic effect through altered synaptic transmission of neurotransmitters. CURRENT OPINION IN TOXICOLOGY 2021. [DOI: 10.1016/j.cotox.2021.11.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Han B, García‐Mendoza D, van den Berg H, van den Brink NW. Modulatory Effects of Mercury (II) Chloride (HgCl 2 ) on Chicken Macrophage and B-Lymphocyte Cell Lines with Viral-Like Challenges In Vitro. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2021; 40:2813-2824. [PMID: 34288095 PMCID: PMC9291928 DOI: 10.1002/etc.5169] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/06/2021] [Revised: 06/28/2021] [Accepted: 07/14/2021] [Indexed: 06/13/2023]
Abstract
Mercury (Hg) is a toxic trace metal ubiquitously distributed in the environment. Inorganic mercury (as HgCl2 ) can cause immunotoxicity in birds, but the mechanisms of action are still not fully resolved, especially with respect to responses to viral infections. To investigate the potential immunomodulatory effects of Hg2+ on specific cell types of the avian immune system, chicken macrophage (HD-11) and B-lymphocyte (DT40) cell lines were applied as in vitro models for the innate and adaptive immune systems, respectively. The cells were stimulated with synthetic double-stranded RNA, which can be recognized by toll-like receptor-3 to mimic a viral infection. The Hg2+ showed concentration-dependent cytotoxicity in both cell lines, with similar median effect concentrations at 30 µM. The cytotoxicity of Hg2+ was closely related to glutathione (GSH) depletion and reactive oxygen species induction, whereas the de novo synthesis of GSH acted as a primary protective strategy. Nitric oxide produced by activated macrophages was strongly inhibited by Hg2+ , and was also influenced by cellular GSH levels. Cell proliferation, gene expression of microRNA-155, and cellular IgM levels in B cells were decreased at noncytotoxic Hg2+ concentrations. The secretion of antiviral interferon-α was induced by Hg2+ in both cell lines. Overall, our results suggest that Hg2+ exposure can cause immunomodulatory effects in birds by disrupting immune cell proliferation and cytokine production, and might result in disorders of the avian immune system. Environ Toxicol Chem 2021;40:2813-2824. © 2021 The Authors. Environmental Toxicology and Chemistry published by Wiley Periodicals LLC on behalf of SETAC.
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Affiliation(s)
- Biyao Han
- Division of Toxicology, Wageningen University and ResearchWageningenThe Netherlands
| | - Diego García‐Mendoza
- Division of Toxicology, Wageningen University and ResearchWageningenThe Netherlands
| | - Hans van den Berg
- Division of Toxicology, Wageningen University and ResearchWageningenThe Netherlands
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Interferon Gamma-Mediated Oxidative Stress Induces Apoptosis, Neuroinflammation, Zinc Ion Influx, and TRPM2 Channel Activation in Neuronal Cell Line: Modulator Role of Curcumin. Inflammation 2021; 44:1878-1894. [PMID: 33866462 DOI: 10.1007/s10753-021-01465-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Revised: 03/30/2021] [Accepted: 04/03/2021] [Indexed: 10/21/2022]
Abstract
Host defenses in the brain are modulated by the activation of several factors such as oxygen free radical species (ROS), Ca2+ influx, and TRPM2 activation, and they are well-known adverse factors in neurotoxicity and neurodegenerative diseases. Importantly, recent data indicated a protective action of curcumin (CRC) via inhibition of TRPM2 on the inflammation factors, ROS, and apoptosis in hypoxia-induced SH-SY5Y neuronal cells. However, the relationship between interferon gamma (IFNg) exposure and TRPM2 activation in the SH-SY5Y cells are not fully identified. The SH-SY5Y cells as a neuronal cell line model were used in several neuroinflammation studies. Hence, we used the SH-SY5Y cells in the current study, and they were divided into four main groups as control, CRC, IFNg, and IFNg+CRC. The data presented here indicate that IFNg induced excessive Ca2+ influx via activation of TRPM2. The IFNg treatment further increased cell death, cell debris amount, apoptosis, and cytokine generations (IL-1β, IL-6, and TNF-α) which were due to increased cytosolic and mitochondrial ROS generations as well as increased activations of caspase-3 and caspase-9. The expression levels of TRPM2, PARP-1, Bax, caspase-3, and caspase-9 were increased in the cells by the IFNg treatment. However, CRC treatment reduced the increase of expression levels, cytokine generations, caspase activations, ROS release, Ca2+ influx, cell death, and apoptosis levels via inhibition of TRPM2 in the SH-SY5Y cells that were treated with IFNg. Moreover, the treatment of TRPM2 blockers (ACA and 2-APB) potentiated the modulator effects of CRC. In conclusion, these results suggest that neuroinflammation via IFNg lead to the TRPM2 activation in the SH-SY5Y cells, whereas CRC prevents IFNg-mediated TRPM2 activation, cell death, and cytokine generations.
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Lv N, Ma K, Li R, Liang P, Liang P, Gao X. Sublethal and lethal effects of the imidacloprid on the metabolic characteristics based on high-throughput non-targeted metabolomics in Aphis gossypii Glover. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 212:111969. [PMID: 33561773 DOI: 10.1016/j.ecoenv.2021.111969] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/02/2020] [Revised: 01/14/2021] [Accepted: 01/20/2021] [Indexed: 06/12/2023]
Abstract
Sublethal effect considered as an emerging factor to assess the environmental risk of insecticides, which can impact the insects on both physiology and behavior. Lethal exposure can be causing near immediate mortality. Pests are inevitably exposed to sublethal and lethal dose in the agroecosystem following application of pesticides. Insecticides, widely used for the control of insect pests, are irreplaceable in insect pest management. The effects of imidacloprid by the method of high-throughput non-targeted metabolomics was investigated in Aphis gossypii Glover exposed to LC10 and LC90 doses of the imidacloprid, and the control group was treated with the same condition without imidacloprid. Pairwise comparisons showed that 111 metabolites changed significantly, 60 in the LC10 group, and 66 in the LC90 group compared to the control group, while only 16 changes in the LC10 were same with that in LC90 group. Among the changed metabolites, a total of 16 metabolites were identified as potential biomarkers, which represented the most influential pathways including glycolysis and gluconeogenesis, alanine, aspartate, and glutamate metabolism, ascorbate and aldarate metabolism, glutathione metabolism, phenylalanine metabolism, tyrosine metabolism, caffeine metabolism and parkinson's disease (PD), which could account for the sublethal and lethal effects on A. gossypii. These modified metabolic pathways demonstrated that high energy consumption, excitotoxicity and oxidative stress (OS) were appeared in both LC10 and LC90 groups, while PD was detected only in the LC90 group. The results of non-targeted metabolomics revealed the effects of neonicotinoid pesticide exposure on A. gossypii successfully, and provided a deep insight into the influenced physiology by the stress of neonicotinoid pesticide in the insect.
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Affiliation(s)
- Nannan Lv
- Department of Entomology, China Agricultural University, Beijing 100193, China
| | - Kangsheng Ma
- Department of Entomology, China Agricultural University, Beijing 100193, China
| | - Ren Li
- Department of Entomology, China Agricultural University, Beijing 100193, China
| | - Pingzhuo Liang
- Department of Entomology, China Agricultural University, Beijing 100193, China
| | - Pei Liang
- Department of Entomology, China Agricultural University, Beijing 100193, China
| | - Xiwu Gao
- Department of Entomology, China Agricultural University, Beijing 100193, China.
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Karaulov AV, Renieri EA, Smolyagin AI, Mikhaylova IV, Stadnikov AA, Begun DN, Tsarouhas K, Buha Djordjevic A, Hartung T, Tsatsakis A. Long-term effects of chromium on morphological and immunological parameters of Wistar rats. Food Chem Toxicol 2019; 133:110748. [PMID: 31377140 DOI: 10.1016/j.fct.2019.110748] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2019] [Revised: 07/30/2019] [Accepted: 07/31/2019] [Indexed: 12/21/2022]
Abstract
Hexavalent chromium raises high concern because of its wide industrial applications and reported toxicity. Long-term (135 days) oral exposure of Wistar rats to chromium in the form of K2Cr2O7 (exposed group~20 mg/kg/day) led to a decrease in thymus mass and thymocytes' number and caused structural and functional changes in the lymph nodes and spleen, namely lymphoreticular hyperplasia and plasmocytic macrophage transformation. Programmed cell death was increased in both thymocytes and splenocytes and decreased in lymphocytes in the T-zones of spleen and lymph nodes. Moreover, Cr (VI) administration decreased myeloid cells' and neutrophils' number, while it increased lymphoid and erythroid cells' number in bone marrow. Cr (VI) immune system effects seem to be related to oxidative stress induction, as depicted by the increased levels of diene conjugates and malondialdehyde in the spleen and liver and by the decreased activity of catalase and superoxide dismutase in rats' erythrocytes. In addition, exposure to Cr (VI) decreased copper, nickel and iron concentrations in blood and liver, while Cr levels in blood, spleen and liver were increased, as expected. The observed changes in the series of immunological parameters studied contribute to the development of new approaches for the prevention of low level Cr exposure toxicity.
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Affiliation(s)
- A V Karaulov
- Department of Clinical Immunology and Allergy, Sechenov First Moscow State Medical University, 8 Trubetskaya street, 119991, Moscow, Russia
| | - E A Renieri
- Centre of Toxicology Science and Research, University of Crete, School of Medicine, Crete, Greece.
| | - A I Smolyagin
- Fundamental Research Laboratory, Orenburg State Medical University, 6 Sovetskaya Street, 460000, Orenburg, Russia
| | - I V Mikhaylova
- Department of Chemistry and Pharmaceutical Chemistry, Orenburg State Medical University, 6 Sovetskaya Street, 460000, Orenburg, Russia
| | - A A Stadnikov
- Department of Histology, Cytology and Embryology, Orenburg State Medical University, 6 Sovetskaya Street, 460000, Orenburg, Russia
| | - D N Begun
- Fundamental Research Laboratory, Orenburg State Medical University, 6 Sovetskaya Street, 460000, Orenburg, Russia
| | - K Tsarouhas
- Department of Cardiology, University Hospital of Larissa, Larissa, Greece
| | - A Buha Djordjevic
- Department of Toxicology "Akademik Danilo Soldatović", University of Belgrade-Faculty of Pharmacy, Belgrade, Serbia
| | - T Hartung
- Johns Hopkins University, Bloomberg School of Public Health, Doerenkamp-Zbinden Chair for Evidence-based Toxicology, Baltimore, MD, USA; University of Konstanz, Pharmacology and Toxicology, Germany
| | - A Tsatsakis
- Centre of Toxicology Science and Research, University of Crete, School of Medicine, Crete, Greece; Department of Analytical, Toxicology, Pharmaceutical Chemistry and Pharmacognosy, Sechenov University, 119991, Moscow, Russia
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Algarve TD, Assmann CE, Cadoná FC, Machado AK, Manica-Cattani MF, Sato-Miyata Y, Asano T, Duarte MMMF, Ribeiro EE, Aigaki T, da Cruz IBM. Guarana improves behavior and inflammatory alterations triggered by methylmercury exposure: an in vivo fruit fly and in vitro neural cells study. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2019; 26:15069-15083. [PMID: 30915696 DOI: 10.1007/s11356-019-04881-0] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2018] [Accepted: 03/15/2019] [Indexed: 06/09/2023]
Abstract
Methylmercury (MeHg) is a well-known environmental pollutant associated with neurological and developmental deficits in animals and humans. However, epidemiological data showed that people living in the Amazon region although exposed to MeHg do not present these effects probably due to the protective effect of certain foods. We hypothesized here if guarana, a highly caffeinated fruit and consumed on a daily basis by Amazon people, could have some protective effect against MeHg toxicity using two complementary approaches. To assess locomotor impairment and sleep disruption, we used fruit fly (Drosophila melanogaster) model, and to evaluate neuroinflammation, we used human SH-SY5Y neural cells by measuring inflammatory cytokines levels. Results showed that guarana had a protective effect on the locomotor activity of male fruit flies reducing the excessive sleepiness caused by MeHg and increasing daily activity. Also, guarana increased the viability of flies and attenuated neural cells mortality. In addition, guarana reduced all pro-inflammatory cytokines levels increased by MeHg, along with caspase-1, caspase -3, caspase-8, and 8-dOHG levels, whereas increased the anti-inflammatory (IL-10) cytokine levels, which was decreased by MeHg. Our study provides new insights on the protective effects of guarana on the viability, locomotor activity, sleep, and activity patterns in vivo and the in vitro neuronal anti-inflammatory effect against MeHg toxicity.
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Affiliation(s)
- Thaís Doeler Algarve
- Tokyo Metropolitan University, Hachioji, Tokyo, Japan
- Graduate Program in Toxicological Biochemistry, Federal University of Santa Maria, 1000 Roraima Av., Building 19, Room 3101, Santa Maria, RS, 97105900, Brazil
| | - Charles Elias Assmann
- Graduate Program in Toxicological Biochemistry, Federal University of Santa Maria, 1000 Roraima Av., Building 19, Room 3101, Santa Maria, RS, 97105900, Brazil
| | - Francine Carla Cadoná
- Graduate Program in Biosciences and Health, University of the West of Santa Catarina, Joaçaba, Brazil
| | | | | | | | - Tsunaki Asano
- Tokyo Metropolitan University, Hachioji, Tokyo, Japan
| | | | | | | | - Ivana Beatrice Mânica da Cruz
- Graduate Program in Toxicological Biochemistry, Federal University of Santa Maria, 1000 Roraima Av., Building 19, Room 3101, Santa Maria, RS, 97105900, Brazil.
- Graduate Program in Pharmacology, Federal University of Santa Maria, Santa Maria, Brazil.
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Lee HJ, Spandidos DA, Tsatsakis A, Margina D, Izotov BN, Yang SH. Neuroprotective effects of Scrophularia buergeriana extract against glutamate-induced toxicity in SH-SY5Y cells. Int J Mol Med 2019; 43:2144-2152. [PMID: 30896788 PMCID: PMC6443351 DOI: 10.3892/ijmm.2019.4139] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2019] [Accepted: 03/15/2019] [Indexed: 02/07/2023] Open
Abstract
The aim of this study was to investigate the antioxidant and anti-apoptotic activities, as well as the underlying mechanisms of action, of Scrophularia buergeriana (S. buergeriana) extract (SBE) in glutamate-induced SH-SY5Y cell death. The roots of S. buergeriana were extracted with 70% ethanol, and standardized SBE was used in this study. To induce cytotoxicity, the SH-SY5Y cells were exposed to glutamate for 3 h, or pre-treated with SBE for 1 h, and subsequently incubated with glutamate for 3 h. The neuro-protective effects were assessed by measuring cell viability and the total glutathione contents using commercial kits. The antioxidant and anti-apoptotic mechanisms of action of SBE were evaluated by western blot analysis. The results confirmed that glutamate-induced toxicity was caused by reactive oxygen species (ROS) production, leading to oxidative stress and DNA damage, thus leading to cell death. However, treatment of the SH-SY5Y cells with SBE significantly increased the viability of the cells exposed to glutamate by upregulating the levels of antioxidant proteins, such as superoxide dismutase (SOD)1, SOD2 and glutathione peroxidase-1 (GPx-1), and directly enhancing the total glutathione contents. Furthermore, SBE attenuated DNA impairment and decreased B-cell lymphoma-2 (Bcl-2)-associated X protein (Bax), cleaved caspase-3 and cleaved poly(adenosine diphosphate (ADP)-ribose) polymerase (PARP) activation. In addition, SBE upregulated Bcl-2 expression via p38 mitogen-activated protein kinases (MAPKs). On the whole, the findings of this study demonstrated that SBE exerts neuroprotective effects against glutamate-induced cell toxicity through its antioxidant and anti-apoptotic activities.
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Affiliation(s)
- Hae Jin Lee
- Department of Biotechnology, Chonnam National University, Yeosu 59626, Republic of Korea
| | - Demetrios A Spandidos
- Laboratory of Clinical Virology, School of Medicine, University of Crete, Heraklion 71003, Greece
| | - Aristidis Tsatsakis
- Department of Toxicology and Forensics, School of Medicine, University of Crete, Heraklion 71003, Greece
| | - Denisa Margina
- Department of Biochemistry, Carol Davila University of Medicine and Pharmacy, Faculty of Pharmacy Bucharest 020956, Romania
| | - Boris N Izotov
- Department of Biotechnology, Chonnam National University, Yeosu 59626, Republic of Korea
| | - Seung Hwan Yang
- Department of Analytical and Forensic Medical Toxicology, Sechenov University, Moscow 119991, Russia
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HIV infection and latency induce a unique metabolic signature in human macrophages. Sci Rep 2019; 9:3941. [PMID: 30850623 PMCID: PMC6408492 DOI: 10.1038/s41598-019-39898-5] [Citation(s) in RCA: 70] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2018] [Accepted: 01/29/2019] [Indexed: 12/31/2022] Open
Abstract
Currently, a major barrier to curing HIV infection is the generation of tissue-associated, non-replicating, long-lasting viral reservoirs that are refractory to therapy and can be reactivated upon anti-retroviral therapy interruption. One of these reservoirs are latently HIV-infected macrophages. Here, we show that HIV infection of macrophages results in survival of a small population of infected cells that are metabolically altered and characterized by mitochondrial fusion, lipid accumulation, and reduced mitochondrial ATP production. No changes in glycolysis were detected. Metabolic analysis indicated an essential role of succinate and other TCA metabolites in the tricarboxylic acid (TCA) cycle in mediating lipid accumulation and oxidative phosphorylation (OXPHOS) in the mitochondria. Furthermore, we show that while uninfected and HIV infected macrophages use fatty acids and glucose as primary sources of energy, surviving HIV infected macrophages also use glutamine/glutamate as a major energy source, and blocking these new sources of energy resulted in the killing of latent HIV infected macrophages. Together, our data provide a new understanding of the formation, properties, and potential novel ways to eliminate macrophage viral reservoirs.
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Impact of glutamine on the effect of neopterin in methyl mercury-exposed neurons. Pteridines 2018. [DOI: 10.1515/pteridines-2018-0011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Abstract
Exposure to methyl mercury (MeHg), induces blood-brain barrier damage leading to non-selective influx of cytotoxic agents, besides the entrance of inflammatory cells into the brain. However, there is no data available regarding the effects of co-treatment of neopterin and interferon-gamma (IFN-gamma) in MeHgexposed SH-SY5Y dopaminergic neurons. MeHg-exposed SH-SY5Y human neuroblastoma cells were treated with neopterin and IFN-gamma in the presence and absence of L-Glutamine. Cell viability was determined by MTT assay. Oxidative stress intensity coefficient was calculated by taking into consideration the amount of nitric oxide production per viable neuron. 5μM MeHg was found to be more toxic than 1μM or 2μM doses of MeHg for SH-SY5Y cells in glutamine-containing medium. Furthermore, 0.1μM neopterin supplementation significantly increased the neuronal cell viability while, oxidative stress significantly decreased. Glutamine supplementation in culture medium, not only enhanced the MeHg toxicity, but also supported the antioxidant effect of neopterin. These results indicate that neopterin has a protective effect on MeHg toxicity in SH-SY5Y neurons. Neopterin was more effective in improving the total mitochondrial metabolic activity of cells exposed to 5μM MeHg in comparison to IFN-gamma. Although IFN-gamma supplementation alone partially improved 5μM MeHg toxicity on neurons, it weakened the protective effect of neopterin.
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Jakaria M, Park SY, Haque ME, Karthivashan G, Kim IS, Ganesan P, Choi DK. Neurotoxic Agent-Induced Injury in Neurodegenerative Disease Model: Focus on Involvement of Glutamate Receptors. Front Mol Neurosci 2018; 11:307. [PMID: 30210294 PMCID: PMC6123546 DOI: 10.3389/fnmol.2018.00307] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2018] [Accepted: 08/13/2018] [Indexed: 12/13/2022] Open
Abstract
Glutamate receptors play a crucial role in the central nervous system and are implicated in different brain disorders. They play a significant role in the pathogenesis of neurodegenerative diseases (NDDs) such as Alzheimer's disease, Parkinson's disease, and amyotrophic lateral sclerosis. Although many studies on NDDs have been conducted, their exact pathophysiological characteristics are still not fully understood. In in vivo and in vitro models of neurotoxic-induced NDDs, neurotoxic agents are used to induce several neuronal injuries for the purpose of correlating them with the pathological characteristics of NDDs. Moreover, therapeutic drugs might be discovered based on the studies employing these models. In NDD models, different neurotoxic agents, namely, kainic acid, domoic acid, glutamate, β-N-Methylamino-L-alanine, amyloid beta, 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine, 1-methyl-4-phenylpyridinium, rotenone, 3-Nitropropionic acid and methamphetamine can potently impair both ionotropic and metabotropic glutamate receptors, leading to the progression of toxicity. Many other neurotoxic agents mainly affect the functions of ionotropic glutamate receptors. We discuss particular neurotoxic agents that can act upon glutamate receptors so as to effectively mimic NDDs. The correlation of neurotoxic agent-induced disease characteristics with glutamate receptors would aid the discovery and development of therapeutic drugs for NDDs.
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Affiliation(s)
- Md. Jakaria
- Department of Applied Life Sciences, Graduate School, Konkuk University, Chungju, South Korea
| | - Shin-Young Park
- Department of Applied Life Sciences, Graduate School, Konkuk University, Chungju, South Korea
| | - Md. Ezazul Haque
- Department of Applied Life Sciences, Graduate School, Konkuk University, Chungju, South Korea
| | - Govindarajan Karthivashan
- Department of Integrated Bioscience and Biotechnology, College of Biomedical and Health Sciences, Research Institute of Inflammatory Diseases (RID), Konkuk University, Chungju, South Korea
| | - In-Su Kim
- Department of Integrated Bioscience and Biotechnology, College of Biomedical and Health Sciences, Research Institute of Inflammatory Diseases (RID), Konkuk University, Chungju, South Korea
| | - Palanivel Ganesan
- Department of Integrated Bioscience and Biotechnology, College of Biomedical and Health Sciences, Research Institute of Inflammatory Diseases (RID), Konkuk University, Chungju, South Korea
- Nanotechnology Research Center, Konkuk University, Chungju, South Korea
| | - Dong-Kug Choi
- Department of Applied Life Sciences, Graduate School, Konkuk University, Chungju, South Korea
- Department of Integrated Bioscience and Biotechnology, College of Biomedical and Health Sciences, Research Institute of Inflammatory Diseases (RID), Konkuk University, Chungju, South Korea
- Nanotechnology Research Center, Konkuk University, Chungju, South Korea
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Engin AB, Engin ED, Karakus R, Aral A, Gulbahar O, Engin A. N-Methyl-D aspartate receptor-mediated effect on glucose transporter-3 levels of high glucose exposed-SH-SY5Y dopaminergic neurons. Food Chem Toxicol 2017; 109:465-471. [PMID: 28951307 DOI: 10.1016/j.fct.2017.09.038] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2017] [Revised: 09/16/2017] [Accepted: 09/20/2017] [Indexed: 11/29/2022]
Abstract
High glucose and insulin lead to neuronal insulin resistance. Glucose transport into the neurons is achieved by regulatory induction of surface glucose transporter-3 (GLUT3) instead of the insulin. N-methyl-D aspartate (NMDA) receptor activity increases GLUT3 expression. This study explored whether an endogenous NMDA receptor antagonist, kynurenic acid (KynA) affects the neuronal cell viability at high glucose concentrations. SH-SY5Y neuroblastoma cells were exposed to 150-250 mg/dL glucose and 40 μU/mL insulin. In KynA and N-nitro-l-arginine methyl ester (L-NAME) supplemented cultures, oxidative stress, mitochondrial metabolic activity (MTT), nitric oxide as nitrite+nitrate (NOx) and GLUT3 were determined at the end of 24 and 48-h incubation periods. Viable cells were counted by trypan blue dye. High glucose-exposed SH-SY5Y cells showed two-times more GLUT3 expression at second 24-h period. While GLUT3-stimulated glucose transport and oxidative stress was increased, total mitochondrial metabolic activity was significantly reduced. Insulin supplementation to high glucose decreased NOx synthesis and GLUT3 levels, in contrast oxidative stress increased three-fold. KynA significantly reduced oxidative stress, and increased MTT by regulating NOx production and GLUT3 expression. KynA is a noteworthy compound, as an endogenous, specific NMDA receptor antagonist; it significantly reduces oxidative stress, while increasing cell viability at high glucose and insulin concentrations.
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Affiliation(s)
- Ayse Basak Engin
- Gazi University, Faculty of Pharmacy, Department of Toxicology, Hipodrom, Ankara, Turkey.
| | - Evren Doruk Engin
- Ankara University, Biotechnology Institute, Tandogan, Ankara, Turkey
| | - Resul Karakus
- Gazi University, Faculty of Medicine, Department of Immunology, Besevler, Ankara, Turkey
| | - Arzu Aral
- Gazi University, Faculty of Medicine, Department of Immunology, Besevler, Ankara, Turkey
| | - Ozlem Gulbahar
- Gazi University, Faculty of Medicine, Department of Biochemistry, Besevler, Ankara, Turkey
| | - Atilla Engin
- Gazi University, Faculty of Medicine, Department of General Surgery, Besevler, Ankara, Turkey
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Selected Literature Watch. JOURNAL OF CAFFEINE RESEARCH 2017. [DOI: 10.1089/jcr.2017.29005.slw] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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