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Dietary nutrients and their control of the redox bioenergetic networks as therapeutics in redox dysfunctions sustained pathologies. Pharmacol Res 2021; 170:105709. [PMID: 34089868 DOI: 10.1016/j.phrs.2021.105709] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/18/2021] [Revised: 05/12/2021] [Accepted: 05/31/2021] [Indexed: 02/06/2023]
Abstract
Electrons exchange amongst the chemical species in an organism is a pivotal concomitant activity carried out by individual cells for basic cellular processes and continuously contribute towards the maintenance of bioenergetic networks plus physiological attributes like cell growth, phenotypic differences and nutritional adaptations. Humans exchange matter and energy via complex connections of metabolic pathways (redox reactions) amongst cells being a thermodynamically open system. Usually, these reactions are the real lifeline and driving forces of health and disease in the living entity. Many shreds of evidence support the secondary role of reactive species in the cellular process of control apoptosis and proliferation. Disrupted redox mechanisms are seen in malaises, like degenerative and metabolic disorders, cancerous cells. This review targets the importance of redox reactions in the body's normal functioning and the effects of its alterations in cells to obtain a better understanding. Understanding the redox dynamics in a pathological state can provide an opportunity for cure or diagnosis at the earlier stage and serve as an essential biomarker to predict in advance to give personalized therapy. Understanding redox metabolism can also highlight the use of naturally available antioxidant in the form of diet.
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Gogoi P, Dutta A, Ramteke A, Maji TK. Preparation, characterization and cytotoxic applications of curcumin‐(±)
α‐lipoic
acid coloaded phosphorylated chitosan nanoparticles in
MDA MB
231 breast cancer cell line. POLYM ADVAN TECHNOL 2020. [DOI: 10.1002/pat.5009] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
- Plabita Gogoi
- Department of Chemical Sciences Tezpur University Tezpur India
| | - Anindita Dutta
- Department of Molecular Biology and Biotechnology Tezpur University Tezpur India
| | - Anand Ramteke
- Department of Molecular Biology and Biotechnology Tezpur University Tezpur India
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REN Y, WANG LH, DENG FS, LI JS, JIANG L. Protective Effect and Mechanism of α-Lipoic Acid on Partial Hepatic Ischemia-Reperfusion Injury in Adult Male Rats. Physiol Res 2019; 68:739-745. [PMID: 31424256 DOI: 10.33549/physiolres.934095] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
In order to reduce tissue damage caused by ischemia-reperfusion injury, this study aims to investigate the protective effect and mechanism of α-lipoic acid on hepatic ischemia-reperfusion injury in rats. The bloodstream of rats was blocked in the left middle and left lateral liver lobes of the liver. Forty rats were randomly divided into two groups: treatment group and injury group. Rats were injected with either 25 mg/1 ml of α-lipoic acid (treatment group) or 1 ml of saline (injury group) into the caudal vein 15 min before hepatic ischemia-reperfusion. Rat serum alanine aminotransferase (GPT), glutathione (GSH) and superoxide dismutase (SOD) levels were examined at various time points (1, 3, 6 and 12 h) in both groups. Changes in nuclear factor kappa B P65 (NF-κB P65) expression in ischemia-reperfusion liver at various time points after reperfusion (1, 3, 6 and 12 h) were evaluated through immunohistochemistry assay. Changes in macrophage inflammatory protein-2 (MIP-2) mRNA and inducible nitric oxide synthase (iNOS) mRNA expression in ischemic reperfused rat livers were detected by RT-PCR. Serum GPT level was significantly higher in the injury group than in the treatment group (P<0.01). NF-κB P65, MIP-2 mRNA and iNOS mRNA expression in ischemic reperfused rat livers were significantly higher in the injury group than in the treatment group (P<0.01). Serum GSH and SOD levels were higher in the treatment group than in the injury group (P<0.01). Alpha-lipoic acid significantly reduced ischemia-reperfusion injury in rat livers. This may be associated to the direct scavenging of oxygen-free radicals, increased GSH production, and the activation of downstream media due to decreased NF-κB and GSH consumption.
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Affiliation(s)
- Y. REN
- The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - L.-H. WANG
- The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - F.-S. DENG
- The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - J.-S. LI
- The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - L. JIANG
- The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
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Navarrete-Meneses MDP, Pérez-Vera P. Pyrethroid pesticide exposure and hematological cancer: epidemiological, biological and molecular evidence. REVIEWS ON ENVIRONMENTAL HEALTH 2019; 34:197-210. [PMID: 30903760 DOI: 10.1515/reveh-2018-0070] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2018] [Accepted: 01/23/2019] [Indexed: 06/09/2023]
Abstract
Pyrethroid insecticides are commonly used worldwide. The chronic effects of these compounds are of concern given that epidemiological studies have suggested an association with hematological cancer, particularly in children. However, the biological evidence at molecular and cellular levels is limited. A review on the molecular and cellular effects of pyrethroids is helpful to guide the study of the biological plausibility of the association of pyrethroids with hematological cancer. We reviewed studies suggesting that pyrethroids are genotoxic, induce genetic rearrangements, alter gene expression and modify DNA. All of these biological modifications could potentially contribute to the carcinogenic process in hematopoietic cells.
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Affiliation(s)
- María Del Pilar Navarrete-Meneses
- Cancer Genetics Laboratory, Human Genetics Department, National Pediatrics Institute, Mexico City, Mexico
- Graduate Program in Biological Sciences, National Autonomous University of Mexico (UNAM), Mexico City, Mexico
| | - Patricia Pérez-Vera
- Cancer Genetics Laboratory, Human Genetics Department, National Pediatrics Institute, Mexico City, Mexico
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Bordoni L, Nasuti C, Fedeli D, Galeazzi R, Laudadio E, Massaccesi L, López-Rodas G, Gabbianelli R. Early impairment of epigenetic pattern in neurodegeneration: Additional mechanisms behind pyrethroid toxicity. Exp Gerontol 2019; 124:110629. [PMID: 31175960 DOI: 10.1016/j.exger.2019.06.002] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2019] [Revised: 06/03/2019] [Accepted: 06/03/2019] [Indexed: 12/11/2022]
Abstract
Permethrin is a synthetic pyrethroid extensively used as anti-woodworm agent and for indoor and outdoor pest control. The main route of human exposure is through fruit, vegetable and milk intake. Low dosage exposure to permethrin during neonatal brain development (from postnatal day 6 to postnatal day 21) leads to dopamine decrease in rat striatum nucleus, oxidative stress and behavioural changes linked to the development of Parkinson's like neurodegeneration later in life. The aim of this study was to evaluate the expression of genes involved in the dopaminergic pathway and epigenetic regulatory mechanisms in adolescent rats treated with permethrin during neonatal brain development. Furthermore, in order to shed light on the mechanisms associated with molecular impairments, in silico studies were performed. The outcomes show increased expression of genes related to the dopamine-synthesis pathway (Nurr1, Th, Snca), epigenetics (TET proteins and Mecp2) and exposure to toxicants (Pon1 and Pon2) in adolescent rats compared with control group. Furthermore, increased global 5mC and 5hmC levels were observed in the DNA extracted from striatum of early-life treated rats in comparison with controls. FAIRE-qPCR analysis shows that permethrin induces an enrichment of chromatin-free DNA at the level of Th and Nurr1 promoters, and ChIP-qPCR reveals a significant reduction in methylation levels at H3K9me3 position at both Th and Nurr1 promoter regions. In silico studies show that permethrin competes for the same two binding sites of known NURR1 agonists, with a lower binding free energy for permethrin, suggesting an important durable association of permethrin with the orphan receptor. Moreover, alpha-synuclein shows a strong affinity for NURR1, corroborating previous experimental outcomes on the interactions between them. This study focuses on an emerging role of early-life exposure to environmental pollutants in the regulation of late onset diseases through intriguing mechanisms that change crucial epigenetic patterns starting from adolescent age.
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Affiliation(s)
- Laura Bordoni
- School of Pharmacy, University of Camerino, Camerino 62032, MC, Italy.
| | - Cinzia Nasuti
- School of Pharmacy, University of Camerino, Camerino 62032, MC, Italy.
| | - Donatella Fedeli
- School of Pharmacy, University of Camerino, Camerino 62032, MC, Italy.
| | - Roberta Galeazzi
- Department of Life and Environmental Sciences, Polytechnic University of Marche, 60128, AN, Italy.
| | - Emiliano Laudadio
- Department of Life and Environmental Sciences, Polytechnic University of Marche, 60128, AN, Italy.
| | - Luca Massaccesi
- Department of Life and Environmental Sciences, Polytechnic University of Marche, 60128, AN, Italy.
| | - Gerardo López-Rodas
- Department of Biochemistry and Molecular Biology, University of Valencia and INCLIVA Biomedical Research Institute, Valencia, Spain.
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Insights on Localized and Systemic Delivery of Redox-Based Therapeutics. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2018; 2018:2468457. [PMID: 29636836 PMCID: PMC5832094 DOI: 10.1155/2018/2468457] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/30/2017] [Accepted: 12/18/2017] [Indexed: 12/12/2022]
Abstract
Reactive oxygen and nitrogen species are indispensable in cellular physiology and signaling. Overproduction of these reactive species or failure to maintain their levels within the physiological range results in cellular redox dysfunction, often termed cellular oxidative stress. Redox dysfunction in turn is at the molecular basis of disease etiology and progression. Accordingly, antioxidant intervention to restore redox homeostasis has been pursued as a therapeutic strategy for cardiovascular disease, cancer, and neurodegenerative disorders among many others. Despite preliminary success in cellular and animal models, redox-based interventions have virtually been ineffective in clinical trials. We propose the fundamental reason for their failure is a flawed delivery approach. Namely, systemic delivery for a geographically local disease limits the effectiveness of the antioxidant. We take a critical look at the literature and evaluate successful and unsuccessful approaches to translation of redox intervention to the clinical arena, including dose, patient selection, and delivery approach. We argue that when interpreting a failed antioxidant-based clinical trial, it is crucial to take into account these variables and importantly, whether the drug had an effect on the redox status. Finally, we propose that local and targeted delivery hold promise to translate redox-based therapies from the bench to the bedside.
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Navarrete-Meneses MP, Salas-Labadía C, Sanabrais-Jiménez M, Santana-Hernández J, Serrano-Cuevas A, Juárez-Velázquez R, Olaya-Vargas A, Pérez-Vera P. "Exposure to the insecticides permethrin and malathion induces leukemia and lymphoma-associated gene aberrations in vitro". Toxicol In Vitro 2017. [PMID: 28624474 DOI: 10.1016/j.tiv.2017.06.013] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
Epidemiological studies have associated the exposure to permethrin and malathion with increased risk of leukemia and lymphoma. The aim of this study was to evaluate whether in vitro exposure to permethrin and malathion induces aberrations in genes involved in the etiology of these hematological malignancies. Genetic abnormalities in the IGH, KMT2A (MLL), ETV6 and RUNX1 genes, and aneuploidy induced by the in vitro exposure to permethrin and malathion (200μM, 24h), were analyzed by FISH in peripheral blood mononuclear cells (PBMCs). The gene fusions IGH-BCL2, KMT2A-AFF1 and ETV6-RUNX1 were further analyzed with nested RT-PCR in PBMCs, and in K562 cells exposed to acute and chronic treatments (0.1μM, 24h or every third day for two weeks) of insecticides. FISH analysis revealed that permethrin induces aneuploidy and structural alterations in IGH and KMT2A genes, and malathion induces breaks in KMT2A. RT-PCR detected ETV6-RUNX1 fusion in PBMCs acutely exposed to permethrin. Permethrin also induced ETV6-RUNX1 and IGH-BCL2 fusions in K562 cells, and malathion induced KMT2A-AFF1 and ETV6-RUNX1 fusions. Overall, we identified that both insecticides induce breaks and fusions in the studied genes, and permethrin induces aneuploidy. This study presents evidence of damage in cancer genes caused by these insecticides.
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Affiliation(s)
- M P Navarrete-Meneses
- Laboratorio de Genética y Cáncer, Departamento de Genética Humana, Instituto Nacional de Pediatría, Insurgentes Sur 3700 Letra C. Delegación Coyoacán, CP 04530 Ciudad de México, Mexico; Posgrado en Ciencias Biológicas, Universidad Nacional Autónoma de México, Av. Ciudad Universitaria 3000, C.P. 04510, Coyoacán, Ciudad de México, Mexico
| | - C Salas-Labadía
- Laboratorio de Genética y Cáncer, Departamento de Genética Humana, Instituto Nacional de Pediatría, Insurgentes Sur 3700 Letra C. Delegación Coyoacán, CP 04530 Ciudad de México, Mexico
| | - M Sanabrais-Jiménez
- Laboratorio de Genética y Cáncer, Departamento de Genética Humana, Instituto Nacional de Pediatría, Insurgentes Sur 3700 Letra C. Delegación Coyoacán, CP 04530 Ciudad de México, Mexico
| | - J Santana-Hernández
- Laboratorio de Genética y Cáncer, Departamento de Genética Humana, Instituto Nacional de Pediatría, Insurgentes Sur 3700 Letra C. Delegación Coyoacán, CP 04530 Ciudad de México, Mexico
| | - A Serrano-Cuevas
- Laboratorio de Genética y Cáncer, Departamento de Genética Humana, Instituto Nacional de Pediatría, Insurgentes Sur 3700 Letra C. Delegación Coyoacán, CP 04530 Ciudad de México, Mexico
| | - R Juárez-Velázquez
- Laboratorio de Genética y Cáncer, Departamento de Genética Humana, Instituto Nacional de Pediatría, Insurgentes Sur 3700 Letra C. Delegación Coyoacán, CP 04530 Ciudad de México, Mexico
| | - A Olaya-Vargas
- Unidad de Trasplante de Células Progenitoras Hematopoyéticas, Instituto Nacional de Pediatría, Insurgentes Sur 3700 Letra C. Delegación Coyoacán, CP 04530 Ciudad de México, Mexico
| | - P Pérez-Vera
- Laboratorio de Genética y Cáncer, Departamento de Genética Humana, Instituto Nacional de Pediatría, Insurgentes Sur 3700 Letra C. Delegación Coyoacán, CP 04530 Ciudad de México, Mexico.
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Eraslan G, Kanbur M, Siliğ Y, Karabacak M, Soyer Sarica Z, Şahin S. The acute and chronic toxic effect of cypermethrin, propetamphos, and their combinations in rats. ENVIRONMENTAL TOXICOLOGY 2016; 31:1415-1429. [PMID: 25926273 DOI: 10.1002/tox.22147] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/13/2014] [Revised: 03/30/2015] [Accepted: 04/08/2015] [Indexed: 05/27/2023]
Abstract
This study was aimed at determining the acute and chronic toxic effects of cypermethrin, propetamphos, and combined cypermethrin and propetamphos. Four groups, each comprising 10 animals, were established for the acute (a) and chronic (b) toxicity trials, and in total, 80 male Wistar albino rats were used. In the acute toxicity trial, the first group was maintained for control purposes, and groups 2a, 3a, and 4a were administered only once with 80 mg/kg.bw of cypermethrin, 25 mg/kg.bw of propetamphos and 80 mg/kg.bw of cypermethrin combined with 25 mg/kg.bw of propetamphos, respectively, by gavage directly into the stomach. In the chronic toxicity trial, the first group was also maintained for control purposes, while groups 2b, 3b, and 4b were administered daily with 12 mg/kg.bw of cypermethrin, 4 mg/kg.bw of propetamphos, and 12 mg/kg.bw of cypermethrin combined with 4 mg/kg.bw of propetamphos respectively, by gavage directly into the stomach for 60 days. Blood and tissue (liver, kidney, brain, spleen, and testis) samples were taken 24 h after pesticide administration in the acute toxicity trial and at the end of day 60 in the chronic toxicity trial. Oxidative stress (MDA, NO, SOD, CAT, GSH-Px, and G6PD) parameters, serum biochemical parameters (glucose, triglyceride, cholesterol, HDL, LDL, BUN, creatinine, AST, ALT, ALP, protein, and albumin) and hepatic drug-metabolizing parameters (CYP2E1, CYPB5, CYTC, GST, and GSH) were investigated in the samples. When administered either alone or in combination, both pesticides inhibited the antioxidant enzymes and increased MDA and NO levels. For the drug-metabolizing parameters investigated, particularly in the chronic period, either increase (CYP2E1, CYPB5, and CYTC) or decrease (GST and GSH) was observed. Furthermore, some negative changes were detected in the serum biochemical parameters. In result, cypermethrin and propetamphos combinations and long-term exposure to these combinations produced a greater toxic effect than the administration of these insecticides alone. © 2015 Wiley Periodicals, Inc. Environ Toxicol 31: 1415-1429, 2016.
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Affiliation(s)
- Gökhan Eraslan
- Erciyes University, Faculty of Veterinary Medicine, Department of Pharmacology and Toxicology, Kayseri, Turkey.
| | - Murat Kanbur
- Erciyes University, Faculty of Veterinary Medicine, Department of Pharmacology and Toxicology, Kayseri, Turkey
| | - Yavuz Siliğ
- Cumhuriyet University, Faculty of Medicine, Department of Biochemistry, Sivas, Turkey
| | - Mürsel Karabacak
- Erciyes University, Safiye Çıkrıkcıoğlu Vacational Collage, Animal Health Department, Kayseri, Turkey
| | - Zeynep Soyer Sarica
- Erciyes University, Hakan Çetinsaya Experimental Animal Center, Kayseri, Turkey
| | - Serap Şahin
- Cumhuriyet University, Faculty of Pharmacy, Department of Biochemistry, Sivas, Turkey
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Carter CJ, Blizard RA. Autism genes are selectively targeted by environmental pollutants including pesticides, heavy metals, bisphenol A, phthalates and many others in food, cosmetics or household products. Neurochem Int 2016; 101:S0197-0186(16)30197-8. [PMID: 27984170 DOI: 10.1016/j.neuint.2016.10.011] [Citation(s) in RCA: 60] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2016] [Revised: 10/18/2016] [Accepted: 10/26/2016] [Indexed: 11/21/2022]
Abstract
The increasing incidence of autism suggests a major environmental influence. Epidemiology has implicated many candidates and genetics many susceptibility genes. Gene/environment interactions in autism were analysed using 206 autism susceptibility genes (ASG's) from the Autworks database to interrogate ∼1 million chemical/gene interactions in the comparative toxicogenomics database. Any bias towards ASG's was statistically determined for each chemical. Many suspect compounds identified in epidemiology, including tetrachlorodibenzodioxin, pesticides, particulate matter, benzo(a)pyrene, heavy metals, valproate, acetaminophen, SSRI's, cocaine, bisphenol A, phthalates, polyhalogenated biphenyls, flame retardants, diesel constituents, terbutaline and oxytocin, inter alia showed a significant degree of bias towards ASG's, as did relevant endogenous agents (retinoids, sex steroids, thyroxine, melatonin, folate, dopamine, serotonin). Numerous other suspected endocrine disruptors (over 100) selectively targeted ASG's including paraquat, atrazine and other pesticides not yet studied in autism and many compounds used in food, cosmetics or household products, including tretinoin, soy phytoestrogens, aspartame, titanium dioxide and sodium fluoride. Autism polymorphisms influence the sensitivity to some of these chemicals and these same genes play an important role in barrier function and control of respiratory cilia sweeping particulate matter from the airways. Pesticides, heavy metals and pollutants also disrupt barrier and/or ciliary function, which is regulated by sex steroids and by bitter/sweet taste receptors. Further epidemiological studies and neurodevelopmental and behavioural research is warranted to determine the relevance of large number of suspect candidates whose addition to the environment, household, food and cosmetics might be fuelling the autism epidemic in a gene-dependent manner.
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Affiliation(s)
- C J Carter
- PolygenicPathways, Flat 2, 40 Baldslow Road, Hastings, East Sussex, TN34 2EY, UK.
| | - R A Blizard
- Molecular Psychiatry Laboratory, Mental Health Sciences Unit, University College, London, UK
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