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Thongsepee N, Himakhun W, Kankul K, Martviset P, Chantree P, Sornchuer P, Ruangtong J, Hiranyachattada S. Monosodium glutamate altered renal architecture and modulated expression of NMDA-R, eNOS, and nNOS in normotensive and hypertensive rats. Food Chem Toxicol 2024; 189:114763. [PMID: 38797315 DOI: 10.1016/j.fct.2024.114763] [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: 03/30/2024] [Revised: 05/20/2024] [Accepted: 05/22/2024] [Indexed: 05/29/2024]
Abstract
Monosodium glutamate (MSG) administration has been shown to pronounce hypertension and oxidative status with increased renal blood flow (RBF), however, the precise mechanisms of action have never been demonstrated. This study aimed to investigate the MSG action by studying the alteration in renal architecture and specific protein expression in 2-kidney-1-clip hypertensive comparing to sham operative normotensive rats. The administered doses of MSG were 80, 160, or 320 mg/kg BW daily for 8 weeks. Using routine chemical staining, the congestion of glomerular capillaries, a lesser renal corpuscles and glomeruli size, a widen Bowman capsule's space, an increase in mesangial cell proliferation and mesangial matrix, renal interstitial fibrosis, focal cloudy swelling of renal tubular epithelial cells were observed. Immunological study revealed an increase in the expression of N-methyl-D-aspartate receptor (NMDA-R) and endothelial nitric oxide synthase (eNOS) but a decrease in neuronal NOS (nNOS). It is suggested that MSG may upregulate the NMDA-R levels which responsible for the oxidative stress, glomerular injury, and renal interstitial fibrosis. The NMDA-R may also stimulate eNOS overexpression which resulted in renal microvascular dilatation, a raise in RBF and GFR, and natriuresis and diuresis promotion. Long-term exposure of MSG may trigger adaptation of tubuloglomerular feedback through nNOS downregulation.
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Affiliation(s)
- Nattaya Thongsepee
- Department of Preclinical Science, Faculty of Medicine, Thammasat University, Pathum Thani, 12120, Thailand; Research Unit in Nutraceuticals and Food Safety, Thammasat University, Pathum Thani, 12120, Thailand.
| | - Wanwisa Himakhun
- Department of Pathology, Faculty of Medicine, Thammasat University, Pathum Thani, 12120, Thailand
| | - Kanokwan Kankul
- Research Unit in Nutraceuticals and Food Safety, Thammasat University, Pathum Thani, 12120, Thailand
| | - Pongsakorn Martviset
- Department of Preclinical Science, Faculty of Medicine, Thammasat University, Pathum Thani, 12120, Thailand; Research Unit in Nutraceuticals and Food Safety, Thammasat University, Pathum Thani, 12120, Thailand
| | - Pathanin Chantree
- Department of Preclinical Science, Faculty of Medicine, Thammasat University, Pathum Thani, 12120, Thailand; Research Unit in Nutraceuticals and Food Safety, Thammasat University, Pathum Thani, 12120, Thailand
| | - Phornphan Sornchuer
- Department of Preclinical Science, Faculty of Medicine, Thammasat University, Pathum Thani, 12120, Thailand; Research Unit in Nutraceuticals and Food Safety, Thammasat University, Pathum Thani, 12120, Thailand
| | - Jittiporn Ruangtong
- Research Unit in Nutraceuticals and Food Safety, Thammasat University, Pathum Thani, 12120, Thailand
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Chianese T, Trinchese G, Leandri R, De Falco M, Mollica MP, Scudiero R, Rosati L. Glyphosate Exposure Induces Cytotoxicity, Mitochondrial Dysfunction and Activation of ERα and ERβ Estrogen Receptors in Human Prostate PNT1A Cells. Int J Mol Sci 2024; 25:7039. [PMID: 39000147 PMCID: PMC11241661 DOI: 10.3390/ijms25137039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2024] [Revised: 06/20/2024] [Accepted: 06/25/2024] [Indexed: 07/16/2024] Open
Abstract
Glyphosate, the active ingredient of several broad-spectrum herbicides, is widely used throughout the world, although many adverse effects are known. Among these, it has been recognized as an endocrine disruptor. This work aimed to test the effects and potential endocrine disrupting action of glyphosate on PNT1A human prostate cells, an immortalized non-tumor epithelial cell line, possessing both ERα and ERβ estrogen receptors. The results showed that glyphosate induces cytotoxicity, mitochondrial dysfunction, and rapid activation of ERα and ERβ via nuclear translocation. Molecular analysis indicated a possible involvement of apoptosis in glyphosate-induced cytotoxicology. The apoptotic process could be attributed to alterations in mitochondrial metabolism; therefore, the main parameters of mitochondrial functionality were investigated using the Seahorse analyzer. Impaired mitochondrial function was observed in glyphosate-treated cells, with reductions in ATP production, spare respiratory capacity, and proton leakage, along with increased efficiency of mitochondrial coupling. Finally, the results of immunofluorescence analysis demonstrated that glyphosate acts as an estrogen disruptor determining the nuclear translocation of both ERs. Nuclear translocation occurred independent of dose, faster than the specific hormone, and persisted throughout treatment. In conclusion, the results collected show that in non-tumor prostate cells glyphosate can cause cell death and acts as a xenoestrogen, activating estrogen receptors. The consequent alteration of hormonal functions can have negative effects on the reproductive health of exposed animals, compromising their fertility.
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Affiliation(s)
- Teresa Chianese
- Department of Biology, University Federico II, Via Cintia 21, 80126 Napoli, Italy; (T.C.); (G.T.); (R.L.); (M.D.F.); (M.P.M.); (R.S.)
| | - Giovanna Trinchese
- Department of Biology, University Federico II, Via Cintia 21, 80126 Napoli, Italy; (T.C.); (G.T.); (R.L.); (M.D.F.); (M.P.M.); (R.S.)
| | - Rebecca Leandri
- Department of Biology, University Federico II, Via Cintia 21, 80126 Napoli, Italy; (T.C.); (G.T.); (R.L.); (M.D.F.); (M.P.M.); (R.S.)
| | - Maria De Falco
- Department of Biology, University Federico II, Via Cintia 21, 80126 Napoli, Italy; (T.C.); (G.T.); (R.L.); (M.D.F.); (M.P.M.); (R.S.)
- National Institute of Biostructures and Biosystems (INBB), Viale delle Medaglie d’Oro 305, 00136 Roma, Italy
- BAT Center—Interuniversity Center for Studies on Bioinspired Agro-Environmental Technology, University of Napoli Federico II, 80055 Portici, Italy
| | - Maria Pina Mollica
- Department of Biology, University Federico II, Via Cintia 21, 80126 Napoli, Italy; (T.C.); (G.T.); (R.L.); (M.D.F.); (M.P.M.); (R.S.)
| | - Rosaria Scudiero
- Department of Biology, University Federico II, Via Cintia 21, 80126 Napoli, Italy; (T.C.); (G.T.); (R.L.); (M.D.F.); (M.P.M.); (R.S.)
- BAT Center—Interuniversity Center for Studies on Bioinspired Agro-Environmental Technology, University of Napoli Federico II, 80055 Portici, Italy
| | - Luigi Rosati
- Department of Biology, University Federico II, Via Cintia 21, 80126 Napoli, Italy; (T.C.); (G.T.); (R.L.); (M.D.F.); (M.P.M.); (R.S.)
- BAT Center—Interuniversity Center for Studies on Bioinspired Agro-Environmental Technology, University of Napoli Federico II, 80055 Portici, Italy
- CIRAM—Centro Interdipartimentale di Ricerca “Ambiente”, University Federico II, Via Mezzocannone 16, 80134 Napoli, Italy
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3
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Costas-Ferreira C, Durán R, Faro LRF. Evaluation of the potential role of glutamatergic, cholinergic, and nitrergic systems in the dopamine release induced by the pesticide glyphosate in rat striatum. J Appl Toxicol 2024. [PMID: 38828527 DOI: 10.1002/jat.4651] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2023] [Revised: 05/14/2024] [Accepted: 05/20/2024] [Indexed: 06/05/2024]
Abstract
Glyphosate (GLY) is a pesticide that severely alters nigrostriatal dopaminergic neurotransmission, inducing great increases in dopamine release from rat dorsal striatum. This GLY-induced striatal dopamine overflow occurs through mechanisms not yet fully understood, hence the interest in evaluating the role of other neurotransmitter systems in such effects. So, the main objective of this mechanistic study was to evaluate the possible mediation of the glutamatergic, cholinergic, and nitrergic systems in the GLY-induced in vivo dopamine release from rat dorsal striatum. The extracellular dopamine levels were measured by cerebral microdialysis and HPLC with electrochemical detection. Intrastriatal administration of GLY (5 mmol/L) significantly increased the dopamine release (1102%). Pretreatment with MK-801 (50 or 400 μmol/L), a non-competitive antagonist of NMDA receptors, significantly decreased the effect of GLY (by 70% and 74%, respectively), whereas AP-5 (400 μmol/L), a competitive antagonist of NMDA receptors, or CNQX (500 μmol/L), an AMPA/kainate receptor antagonist, had no significant effect. Administration of the nitric oxide synthase inhibitors, L-nitroarginine (L-NAME, 100 μmol/L) or 7-nitroindazole (7-NI, 100 μmol/L), also did not alter the effect of GLY on dopamine release. Finally, pretreatment of the animals with mecamylamine, an antagonist of nicotinic receptors, decreased the effect of GLY on dopamine release by 49%, whereas atropine, a muscarinic antagonist, had no significant effect. These results indicate that GLY-induced dopamine release largely depends on the activation of NMDA and nicotinic receptors in rat dorsal striatum. Future research is needed to determine the effects of this pesticide at environmentally relevant concentrations.
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Affiliation(s)
- Carmen Costas-Ferreira
- Department of Functional Biology and Health Sciences, Faculty of Biology, University of Vigo, Vigo, Spain
| | - Rafael Durán
- Department of Functional Biology and Health Sciences, Faculty of Biology, University of Vigo, Vigo, Spain
| | - Lilian R F Faro
- Department of Functional Biology and Health Sciences, Faculty of Biology, University of Vigo, Vigo, Spain
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de Morais Valentim JMB, Coradi C, Viana NP, Fagundes TR, Micheletti PL, Gaboardi SC, Fadel B, Pizzatti L, Candiotto LZP, Panis C. Glyphosate as a Food Contaminant: Main Sources, Detection Levels, and Implications for Human and Public Health. Foods 2024; 13:1697. [PMID: 38890925 PMCID: PMC11171990 DOI: 10.3390/foods13111697] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2024] [Revised: 05/20/2024] [Accepted: 05/22/2024] [Indexed: 06/20/2024] Open
Abstract
Glyphosate is a broad-spectrum pesticide that has become the most widely used herbicide globally. However, concerns have risen regarding its potential health impacts due to food contamination. Studies have detected glyphosate in human blood and urine samples, indicating human exposure and its persistence in the organism. A growing body of literature has reported the health risks concerning glyphosate exposure, suggesting that the daily intake of contaminated food and water poses a public health concern. Furthermore, countries with high glyphosate usage and lenient regulations regarding food and water contamination may face more severe consequences. In this context, in this review, we examined the literature regarding food contamination by glyphosate, discussed its detection methods, and highlighted its risks to human health.
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Affiliation(s)
| | - Carolina Coradi
- Center of Health Sciences, Universidade Estadual do Oeste do Paraná (UNIOESTE), Francisco Beltrão 85605-010, Brazil; (C.C.); (N.P.V.); (P.L.M.); (S.C.G.); (L.Z.P.C.)
| | - Natália Prudêncio Viana
- Center of Health Sciences, Universidade Estadual do Oeste do Paraná (UNIOESTE), Francisco Beltrão 85605-010, Brazil; (C.C.); (N.P.V.); (P.L.M.); (S.C.G.); (L.Z.P.C.)
| | - Tatiane Renata Fagundes
- Department of Biological Sciences, Universidade Estadual do Norte do Paraná (UENP), Bandeirantes 86360-000, Brazil;
| | - Pâmela Lonardoni Micheletti
- Center of Health Sciences, Universidade Estadual do Oeste do Paraná (UNIOESTE), Francisco Beltrão 85605-010, Brazil; (C.C.); (N.P.V.); (P.L.M.); (S.C.G.); (L.Z.P.C.)
| | - Shaiane Carla Gaboardi
- Center of Health Sciences, Universidade Estadual do Oeste do Paraná (UNIOESTE), Francisco Beltrão 85605-010, Brazil; (C.C.); (N.P.V.); (P.L.M.); (S.C.G.); (L.Z.P.C.)
- Instituto Federal Catarinense, Blumenau 89070-270, Brazil
| | - Bruna Fadel
- Laboratório de Biologia Molecular e Proteômica do Sangue, Instituto de Química, Universidade Federal do Rio de Janeiro (IQ-UFRJ), Rio de Janeiro 21941-909, Brazil; (B.F.); (L.P.)
| | - Luciana Pizzatti
- Laboratório de Biologia Molecular e Proteômica do Sangue, Instituto de Química, Universidade Federal do Rio de Janeiro (IQ-UFRJ), Rio de Janeiro 21941-909, Brazil; (B.F.); (L.P.)
| | - Luciano Zanetti Pessoa Candiotto
- Center of Health Sciences, Universidade Estadual do Oeste do Paraná (UNIOESTE), Francisco Beltrão 85605-010, Brazil; (C.C.); (N.P.V.); (P.L.M.); (S.C.G.); (L.Z.P.C.)
| | - Carolina Panis
- Department of Pathological Sciences, Universidade Estadual de Londrina (UEL), Londrina 86057-970, Brazil;
- Center of Health Sciences, Universidade Estadual do Oeste do Paraná (UNIOESTE), Francisco Beltrão 85605-010, Brazil; (C.C.); (N.P.V.); (P.L.M.); (S.C.G.); (L.Z.P.C.)
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Pall ML. Central Causation of Autism/ASDs via Excessive [Ca 2+]i Impacting Six Mechanisms Controlling Synaptogenesis during the Perinatal Period: The Role of Electromagnetic Fields and Chemicals and the NO/ONOO(-) Cycle, as Well as Specific Mutations. Brain Sci 2024; 14:454. [PMID: 38790433 PMCID: PMC11119459 DOI: 10.3390/brainsci14050454] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2024] [Revised: 04/23/2024] [Accepted: 04/25/2024] [Indexed: 05/26/2024] Open
Abstract
The roles of perinatal development, intracellular calcium [Ca2+]i, and synaptogenesis disruption are not novel in the autism/ASD literature. The focus on six mechanisms controlling synaptogenesis, each regulated by [Ca2+]i, and each aberrant in ASDs is novel. The model presented here predicts that autism epidemic causation involves central roles of both electromagnetic fields (EMFs) and chemicals. EMFs act via voltage-gated calcium channel (VGCC) activation and [Ca2+]i elevation. A total of 15 autism-implicated chemical classes each act to produce [Ca2+]i elevation, 12 acting via NMDA receptor activation, and three acting via other mechanisms. The chronic nature of ASDs is explained via NO/ONOO(-) vicious cycle elevation and MeCP2 epigenetic dysfunction. Genetic causation often also involves [Ca2+]i elevation or other impacts on synaptogenesis. The literature examining each of these steps is systematically examined and found to be consistent with predictions. Approaches that may be sed for ASD prevention or treatment are discussed in connection with this special issue: The current situation and prospects for children with ASDs. Such approaches include EMF, chemical avoidance, and using nutrients and other agents to raise the levels of Nrf2. An enriched environment, vitamin D, magnesium, and omega-3s in fish oil may also be helpful.
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Affiliation(s)
- Martin L Pall
- School of Molecular Biosciences, Washington State University, Pullman, WA 99164, USA
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6
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Singh R, Shukla A, Kaur G, Girdhar M, Malik T, Mohan A. Systemic Analysis of Glyphosate Impact on Environment and Human Health. ACS OMEGA 2024; 9:6165-6183. [PMID: 38371781 PMCID: PMC10870391 DOI: 10.1021/acsomega.3c08080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/15/2023] [Revised: 12/15/2023] [Accepted: 12/29/2023] [Indexed: 02/20/2024]
Abstract
With a growing global population, agricultural scientists are focusing on crop production management and the creation of new strategies for a higher agricultural output. However, the growth of undesirable plants besides the primary crop poses a significant challenge in agriculture, necessitating the massive application of herbicides to eradicate this problem. Several synthetic herbicides are widely utilized, with glyphosate emerging as a potential molecule for solving this emerging issue; however, it has several environmental and health consequences. Several weed species have evolved resistance to this herbicide, therefore lowering agricultural yield. The persistence of glyphosate residue in the environment, such as in water and soil systems, is due to the misuse of glyphosate in agricultural regions, which causes its percolation into groundwater via the vertical soil profile. As a result, it endangers many nontarget organisms existing in the natural environment, which comprises both soil and water. The current Review aims to provide a systemic analysis of glyphosate, its various effects on the environment, its subsequent impact on human health and animals, which will lead us toward a better understanding of the issues about herbicide usage and aid in managing it wisely, as in the near the future glyphosate market is aiming for a positive forecast until 2035.
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Affiliation(s)
- Reenu Singh
- School
of Bioengineering and Biosciences, Lovely
Professional University, Phagwara, Punjab 144411, India
| | - Akanksha Shukla
- School
of Bioengineering and Biosciences, Lovely
Professional University, Phagwara, Punjab 144411, India
| | - Gurdeep Kaur
- School
of Chemical Engineering and Physical Sciences, Lovely Professional University, Phagwara, Punjab 144411, India
| | - Madhuri Girdhar
- School
of Bioengineering and Biosciences, Lovely
Professional University, Phagwara, Punjab 144411, India
| | - Tabarak Malik
- Department
of Biomedical Sciences, Institute of Health, Jimma University, Jimma 00000, Ethiopia
| | - Anand Mohan
- School
of Bioengineering and Biosciences, Lovely
Professional University, Phagwara, Punjab 144411, India
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Tizhe EV, Igbokwe IO, Njokwu COI, Fatihu MY, Tizhe UD, Ibrahim NDG. Effect of Zinc Supplementation on Altered Calcium Homeostasis, Parathyroid Gland, Bone, and Skeletal Muscle Histology Induced by Subchronic Oral Exposure to Glyphosate-Based Herbicide (GOBARA ®) in Wistar Rats. CLINICAL PATHOLOGY (THOUSAND OAKS, VENTURA COUNTY, CALIF.) 2024; 17:2632010X241265854. [PMID: 39070950 PMCID: PMC11282526 DOI: 10.1177/2632010x241265854] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Accepted: 06/11/2024] [Indexed: 07/30/2024]
Abstract
Objectives The study was carried out to assess the effect of zinc supplementation on changes in calcium homeostasis, and parathyroid gland, bone, and skeletal muscle histology in rats exposed to subchronic oral glyphosate-based herbicide (GBH, GOBARA®) toxicity. Methods Sixty male Wistar rats in 6 equal groups (DW, Z, G1, G2, ZG1, ZG2) were used: DW and Z were given 2 mL/kg distilled water and 50 mg/kg of zinc chloride (2%), respectively; G1 and G2 received 187.5 mg/kg and 375 mg/kg of glyphosate (in GBH), respectively; ZG1 and ZG2 were pretreated with 50 mg/kg of zinc chloride before receiving glyphosate, 1 hour later, at 187.5 and 375 mg/kg, respectively. Treatments were by gavage once daily for 16 weeks. Serum calcium, vitamin D, and parathormone were estimated. Histopathological examination of parathyroid gland, femoral bone and biceps femoris muscle was done. Results GBH exposure caused significant (P = .0038) decrease in serum calcium concentration in G1, significant (P = .0337) decrease in serum vitamin D concentration in G1, significant increases in parathormone in G1 (P = .0168) and G2 (P = .0079) compared to DW. Significant (P > .05) changes did not occur in the other parameters of G2 compared to DW. Dose-dependent effect in GBH exposure was not observed after comparing G1 and G2. Necrotic changes occurred in parathyroid gland cells, osteocytes, and muscle cells in G1 and G2. In ZG1 and ZG2, significant (P > .05) variations in the parameters were not observed and tissue lesions were absent. Conclusion Subchronic GBH exposure impaired calcium homeostasis observed as hypocalcemia, hypovitaminemia D, and secondary hyperparathyroidism and caused tissue damage in parathyroid gland, bone, and muscle of rats and these were mitigated by zinc chloride pretreatment.
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Affiliation(s)
- Emmanuel Vandi Tizhe
- Department of Veterinary Microbiology and Pathology, Faculty of Veterinary Medicine, University of Jos, Jos, Plateau State, Nigeria
| | - Ikechukwu Onyebuchi Igbokwe
- Department of Veterinary Pathology, Faculty of Veterinary Medicine, University of Maiduguri, Maiduguri, Borno State, Nigeria
| | - Celestine Onwu-Ibe Njokwu
- Department of Veterinary Microbiology and Pathology, Faculty of Veterinary Medicine, University of Jos, Jos, Plateau State, Nigeria
| | - Mohammed Yakasai Fatihu
- Department of Veterinary Pathology, Faculty of Veterinary Medicine, Ahmadu Bello University, Zaria, Kaduna State, Nigeria
| | - Ussa Delia Tizhe
- Department of Veterinary Medicine, Faculty of Veterinary Medicine, Ahmadu Bello University, Zaria, Kaduna State, Nigeria
| | - Najume Dogon-Giginya Ibrahim
- Department of Veterinary Pathology, Faculty of Veterinary Medicine, Ahmadu Bello University, Zaria, Kaduna State, Nigeria
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Chou X, Li X, Ma K, Shen Y, Min Z, Xiao W, Zhang J, Wu Q, Sun D. N-methyl-d-aspartate receptor 1 activation mediates cadmium-induced epithelial-mesenchymal transition in proximal tubular cells. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 904:166955. [PMID: 37704144 DOI: 10.1016/j.scitotenv.2023.166955] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Revised: 08/25/2023] [Accepted: 09/08/2023] [Indexed: 09/15/2023]
Abstract
Cadmium (Cd) is a commonly found environmental pollutant and is known to damage multiple organs with kidneys being the most common one. N-methyl-d-aspartate receptor 1 (NMDAR1) is a ligand-gated ion channel that is highly permeable to calcium ion (Ca2+). Because Cd2+ and Ca2+ have structural and physicochemical similarities, whether and how Cd could interfere NMDAR1 function to cause renal epithelial cells dysfunction remains unknown. In this study, we investigated the role of NMDAR1 in Cd-induced renal damage and found that Cd treatment upregulated NMDAR1 expression and promoted epithelial-mesenchymal transition (EMT) in mouse kidneys in vivo and human proximal tubular epithelial HK-2 cells in vitro, which were accompanied with activation of the inositol-requiring enzyme 1 (IRE-1α) / spliced X box binding protein-1 (XBP-1s) pathway, an indicative of endoplasmic reticulum (ER) stress. Mechanistically, NMDAR1 upregulation by Cd promoted Ca2+ channel opening and Ca2+ influx, resulting in ER stress and subsequently EMT in HK-2 cells. Inhibition of NMDAR1 by pharmacological antagonist MK-801 significantly attenuated Cd-induced Ca2+ influx, ER stress, and EMT. Pretreatment with the IRE-1α/XBP-1s pathway inhibitor STF-083010 also restored the epithelial phenotype of Cd-treated HK-2 cells. Therefore, our findings suggest that NMDAR1 activation mediates Cd-induced EMT in proximal epithelial cells likely through the IRE-1α/XBP-1s pathway, supporting the idea that NMDAR1 could be a potential therapeutic target for Cd-induced renal damage.
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Affiliation(s)
- Xin Chou
- Department of Occupational Disease, Shanghai Pulmonary Hospital affiliated to Tongji University, Shanghai 200433, China
| | - Xiaohu Li
- Union Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province 430022, China
| | - Kunpeng Ma
- Department of Occupational Disease, Shanghai Pulmonary Hospital affiliated to Tongji University, Shanghai 200433, China
| | - Yue Shen
- Department of Occupational Disease, Shanghai Pulmonary Hospital affiliated to Tongji University, Shanghai 200433, China
| | - Zhen Min
- Department of Occupational Disease, Shanghai Pulmonary Hospital affiliated to Tongji University, Shanghai 200433, China
| | - Wusheng Xiao
- Department of Toxicology, School of Public Health, Peking University, Beijing 100191, China; Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, Peking University, Beijing 100191, China; Key Laboratory of State Administration of Traditional Chinese Medicine for Compatibility Toxicology, School of Public Health, Peking University, Beijing 100191, China
| | - Jingbo Zhang
- Department of Occupational Disease, Shanghai Pulmonary Hospital affiliated to Tongji University, Shanghai 200433, China
| | - Qing Wu
- Department of Toxicology, School of Public Health, Fudan University, 130 Dong'an Road, Shanghai 200032, China
| | - Daoyuan Sun
- Department of Occupational Disease, Shanghai Pulmonary Hospital affiliated to Tongji University, Shanghai 200433, China.
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Xiao T, Chen Y, Xu Y, Song Y, Ren X, Wang W, Zhuang K, Chen X, Cai G. Higher urinary glyphosate exposure is associated with increased risk of liver dysfunction in adults: An analysis of NHANES, 2013-2016. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023:10.1007/s11356-023-30463-2. [PMID: 37858023 DOI: 10.1007/s11356-023-30463-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Accepted: 10/10/2023] [Indexed: 10/21/2023]
Abstract
Glyphosate (GLY) exposure, both exogenous and endogenous, is a global concern. Multiple studies of model systems in vitro and in vivo have demonstrated the potential toxic effects of GLY exposure on human organs, particularly the liver and renal system. However, there is currently limited epidemiological evidence establishing a link between GLY exposure and hepatorenal function in the general population. In this study, a multivariable linear regression model and forest plots were employed to evaluate the connection between urinary GLY and biomarkers of hepatorenal function in 2241 participants from the National Health and Nutrition Examination Survey 2013-2016. Additionally, subgroup analyses were conducted based on age, gender, race, BMI, and chronic kidney disease (CKD). Alkaline phosphatase (ALP), alanine aminotransferase (ALT), aspartate aminotransferase (AST), AST/ALT and fibrosis 4 score (FIB-4) all increased with elevated urinary GLY concentrations after adjusting for potential confounders, while albumin (ALB) exhibited the opposite trend, particularly among younger, female, non-Hispanic white, overweight, and CKD participants. Furthermore, individuals in the third tertile had a greater risk of liver dysfunction than those in the first tertile after categorizing urinary GLY concentrations. However, our study showed no proof that GLY exposure affects the ratio of urine albumin to creatinine (ACR) or serum creatinine levels. Overall, these results imply that GLY exposure may have adverse effects on human liver function.
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Affiliation(s)
- Tuo Xiao
- Department of Nephrology, First Medical Center of Chinese PLA General Hospital, Nephrology Institute of the Chinese People's Liberation Army, State Key Laboratory of Kidney Diseases, National Clinical Research Center for Kidney Diseases, Beijing Key Laboratory of Kidney Disease Research, Beijing, China
| | - Yuhao Chen
- Department of Nephrology, First Medical Center of Chinese PLA General Hospital, Nephrology Institute of the Chinese People's Liberation Army, State Key Laboratory of Kidney Diseases, National Clinical Research Center for Kidney Diseases, Beijing Key Laboratory of Kidney Disease Research, Beijing, China
| | - Yue Xu
- Department of Nephrology, First Medical Center of Chinese PLA General Hospital, Nephrology Institute of the Chinese People's Liberation Army, State Key Laboratory of Kidney Diseases, National Clinical Research Center for Kidney Diseases, Beijing Key Laboratory of Kidney Disease Research, Beijing, China
| | - Yanqi Song
- Department of Nephrology, First Medical Center of Chinese PLA General Hospital, Nephrology Institute of the Chinese People's Liberation Army, State Key Laboratory of Kidney Diseases, National Clinical Research Center for Kidney Diseases, Beijing Key Laboratory of Kidney Disease Research, Beijing, China
| | - Xuejing Ren
- Department of Nephrology, First Medical Center of Chinese PLA General Hospital, Nephrology Institute of the Chinese People's Liberation Army, State Key Laboratory of Kidney Diseases, National Clinical Research Center for Kidney Diseases, Beijing Key Laboratory of Kidney Disease Research, Beijing, China
- Henan Key Laboratory of Kidney Disease and Immunology, Henan Provincial Clinical Research Center for Kidney Disease, Zhengzhou University People's Hospital, Henan Provincial People's Hospital, Zhengzhou, Henan, China
| | - Wenjuan Wang
- Department of Nephrology, First Medical Center of Chinese PLA General Hospital, Nephrology Institute of the Chinese People's Liberation Army, State Key Laboratory of Kidney Diseases, National Clinical Research Center for Kidney Diseases, Beijing Key Laboratory of Kidney Disease Research, Beijing, China
| | - Kaiting Zhuang
- Department of Nephrology, First Medical Center of Chinese PLA General Hospital, Nephrology Institute of the Chinese People's Liberation Army, State Key Laboratory of Kidney Diseases, National Clinical Research Center for Kidney Diseases, Beijing Key Laboratory of Kidney Disease Research, Beijing, China
| | - Xiangmei Chen
- Department of Nephrology, First Medical Center of Chinese PLA General Hospital, Nephrology Institute of the Chinese People's Liberation Army, State Key Laboratory of Kidney Diseases, National Clinical Research Center for Kidney Diseases, Beijing Key Laboratory of Kidney Disease Research, Beijing, China
| | - Guangyan Cai
- Department of Nephrology, First Medical Center of Chinese PLA General Hospital, Nephrology Institute of the Chinese People's Liberation Army, State Key Laboratory of Kidney Diseases, National Clinical Research Center for Kidney Diseases, Beijing Key Laboratory of Kidney Disease Research, Beijing, China.
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10
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Rana I, Nguyen PK, Rigutto G, Louie A, Lee J, Smith MT, Zhang L. Mapping the key characteristics of carcinogens for glyphosate and its formulations: A systematic review. CHEMOSPHERE 2023; 339:139572. [PMID: 37474029 DOI: 10.1016/j.chemosphere.2023.139572] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 07/16/2023] [Accepted: 07/17/2023] [Indexed: 07/22/2023]
Abstract
Glyphosate was classified as a probable human carcinogen (Group 2A) by the International Agency for Research on Cancer (IARC) partially due to strong mechanistic evidence in 2015. Since then, numerous studies of glyphosate and its formulations (GBF) have emerged. These studies can be evaluated for cancer hazard identification with the newly described ten key characteristics (KC) of carcinogens approach. Our objective was to assess all in vivo, ex vivo, and in vitro mechanistic studies of human and experimental animals (mammals) that compared exposure to glyphosate/GBF with low/no exposure counterparts for evidence of the ten KCs. A protocol with our methods adhering to PRISMA guidelines was registered a priori (INPLASY202180045). Two blinded reviewers screened all in vivo, ex vivo, and in vitro studies of glyphosate/GBF exposure in humans/mammals reporting any KC-related outcome available in PubMed before August 2021. Studies that met inclusion criteria underwent data extraction conducted in duplicate for each KC outcome reported along with key aspects of internal/external validity, results, and reference information. These data were used to construct a matrix that was subsequently analyzed in the program R to conduct strength of evidence and quality assessments. Of the 2537 articles screened, 175 articles met inclusion criteria, from which we extracted >50,000 data points related to KC outcomes. Data analysis revealed strong evidence for KC2, KC4, KC5, KC6, KC8, limited evidence for KC1 and KC3, and inadequate evidence for KC7, KC9, and KC10. Notably, our in-depth quality analyses of genotoxicity (KC2) and endocrine disruption (KC8) revealed strong and consistent positive findings. For KC2, we found: 1) studies conducted in humans and human cells provided stronger positive evidence than counterpart animal models; 2) GBF elicited a stronger effect in both human and animal systems when compared to glyphosate alone; and 3) the highest quality studies in humans and human cells consistently revealed strong evidence of genotoxicity. Our analysis of KC8 indicated that glyphosate's ability to modulate hormone levels and estrogen receptor activity is sensitive to both exposure concentration and formulation. The modulations observed provide clear evidence that glyphosate interacts with receptors, alters receptor activation, and modulates the levels and effects of endogenous ligands (including hormones). Our findings strengthen the mechanistic evidence that glyphosate is a probable human carcinogen and provide biological plausibility for previously reported cancer associations in humans, such as non-Hodgkin lymphoma. We identified potential molecular interactions and subsequent key events that were used to generate a probable pathway to lymphomagenesis.
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Affiliation(s)
- Iemaan Rana
- Division of Environmental Health Sciences, School of Public Health, University of California, Berkeley, CA, United States
| | - Patton K Nguyen
- Division of Environmental Health Sciences, School of Public Health, University of California, Berkeley, CA, United States
| | - Gabrielle Rigutto
- Division of Environmental Health Sciences, School of Public Health, University of California, Berkeley, CA, United States
| | - Allen Louie
- Division of Environmental Health Sciences, School of Public Health, University of California, Berkeley, CA, United States
| | - Jane Lee
- Division of Environmental Health Sciences, School of Public Health, University of California, Berkeley, CA, United States
| | - Martyn T Smith
- Division of Environmental Health Sciences, School of Public Health, University of California, Berkeley, CA, United States
| | - Luoping Zhang
- Division of Environmental Health Sciences, School of Public Health, University of California, Berkeley, CA, United States.
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11
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Zhang L, Ding F, Wu X, Wang R, Wan Y, Hu J, Zhang X, Wu Q. Melatonin ameliorates glyphosate- and hard water-induced renal tubular epithelial cell senescence via PINK1-Parkin-dependent mitophagy. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 255:114719. [PMID: 37032573 DOI: 10.1016/j.ecoenv.2023.114719] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Revised: 02/14/2023] [Accepted: 02/28/2023] [Indexed: 06/19/2023]
Abstract
The combination of glyphosate (Gly) and hard water (Hwt) is a suspected risk factor for chronic interstitial nephritis in agricultural communities (CINAC). Accumulated mitochondrial damage and proximal tubular epithelial (PTE) cell senescence have been implicated in CINAC pathogenesis. Melatonin (Mel) has potential mitochondrial function and renoprotective properties, but its role and mechanism in CINAC are unknown. Here, we detected PTE cell senescence and PTEN-induced putative protein kinase 1 (PINK1)-parkin RBR E3 ubiquitin protein ligase (Parkin)-dependent mitophagy in mice orally administered with different doses of Gly combined with Hwt (Gly: 100 mg/kg·bw and 0.7 mg/L; Hwt: 2,500 mg/L CaCO3 and 250 mg/L Ca2+) for different durations (12 and 36 w) using histological examination, transmission electron microscopy (TEM), immunofluorescence (IF) analysis, and immunohistochemistry (IHC), immunoblotting, ELISA and biochemical assays with kits. The same assays were performed after combination treatment with Mdivi-1 (an inhibitor of mitophagy, i.p. 10 mg/kg·bw, twice a week for 12 w) or Mel (i.p. 10 mg/kg·bw, once a day for 12 w) under high-level exposure. Gly combined with Hwt (Gly-Hwt) significantly increased P16-P21-dependent PTE cell senescence, mitochondrial fission and oxidative stress, and activated PINK1-Parkin-mediated mitophagy, accompanied by defective autophagic flux at high doses but unaltered autophagic flux at low doses. Improved senescence occurred after Mdivi-1 administration, suggesting that mitophagy is involved in cellular senescence. Mel significantly decreased senescence induced by Gly-Hwt. Furthermore, PINK1-Parkin-dependent mitophagy and autophagic flux were markedly enhanced, and mitochondrial function was improved, as evidenced by reductions in mitochondrial fission and subsequent oxidative damage. Thus, Gly and Hwt synergistically promote PTE cell senescence through PINK1-Parkin-mediated mitophagy, and Mel exerts renoprotective effects by modulating mitophagy, suggesting therapeutic applications in ageing-related CINAC.
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Affiliation(s)
- Lin Zhang
- School of Public Health, Fudan University, Shanghai, China; Key Laboratory of Children's Environmental Health, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Fan Ding
- School of Public Health, Fudan University, Shanghai, China
| | - Xuan Wu
- School of Public Health, Fudan University, Shanghai, China
| | - Ruojing Wang
- School of Public Health, Fudan University, Shanghai, China
| | - Yi Wan
- Laboratory for Earth Surface Processes, College of Urban and Environmental Sciences, Peking University, Beijing, China
| | - Jianying Hu
- Laboratory for Earth Surface Processes, College of Urban and Environmental Sciences, Peking University, Beijing, China
| | - Xiaoyan Zhang
- Department of Nephrology, Zhongshan Hospital of Fudan University, Shanghai, China.
| | - Qing Wu
- School of Public Health, Fudan University, Shanghai, China.
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12
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Bai G, Zou Y, Zhang W, Jiang X, Qin J, Teng T, Sun H, Shi B. Perinatal exposure to high concentration glyphosate-based herbicides induces intestinal apoptosis by activating endoplasmic reticulum stress in offspring. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 865:161223. [PMID: 36584959 DOI: 10.1016/j.scitotenv.2022.161223] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 12/07/2022] [Accepted: 12/23/2022] [Indexed: 06/17/2023]
Abstract
Glyphosate-based herbicides (GBHs), the most widely used pesticide worldwide, have been reported to impair organ function in humans and animals. However, research on the effect of maternal GBHs exposure on the intestinal health of offspring has received little attention. Based on the glyphosate limits defined by Codex Alimentarius Commission and European Food Safety Authority, this study established pregnant sow exposure models to investigate the influence of low (L-GBHs, 20 mg/kg) and high concentration GBHs (H-GBHs, 100 mg/kg) on the intestinal health of offspring and proposed the protective mechanism mediated by betaine. The results showed that the intestinal morphology and barrier function of suckling piglets were damaged in the H-GBHs group. H-GBHs increased the activity of glutathione peroxidase (GPX) and levels of methane dicarboxylic aldehyde (MDA), hydrogen peroxide (H2O2) and inflammatory factors (tumor necrosis factor-α (TNF-α), interleukin-1β (IL-1β), interleukin-6 (IL-6), interleukin-10 (IL-10)) in suckling piglets and activated Nrf2-mediated antioxidant signaling pathway. Subsequently, we found that exposure to H-GBHs triggered endoplasmic reticulum stress (ERS) and further induced apoptosis by upregulating the expression of Bcl-2-associated X protein (Bax), Caspase3, Caspase9 and Caspase12. Moreover, H-GBHs exposure perturbed mitochondrial membrane fusion and electron transport in mitochondrial respiratory chains by increasing the mRNA expression of mitofusin-2 (MFN2) and succinate dehydrogenase subunit A (SDHA), causing mitochondrial dysfunction. Dietary supplementation with betaine provided modest protection against GBHs-induced intestinal damage in suckling piglets. These findings reveal the mechanism of GBHs-induced intestinal damage in offspring, improving our understanding of the risk of GBHs exposure in pregnant women and suggesting the potential protective effects of betaine against GBHs poisoning.
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Affiliation(s)
- Guangdong Bai
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, PR China
| | - Yingbin Zou
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, PR China
| | - Wentao Zhang
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, PR China
| | - Xu Jiang
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, PR China
| | - Jianwei Qin
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, PR China
| | - Teng Teng
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, PR China
| | - Haoyang Sun
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, PR China
| | - Baoming Shi
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, PR China.
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13
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Liu Y, Wang Y, Chen S, Bai L, Li F, Wu Y, Zhang L, Wang X. Glutamate ionotropic receptor NMDA type subunit 1: A novel potential protein target of dapagliflozin against renal interstitial fibrosis. Eur J Pharmacol 2023; 943:175556. [PMID: 36736528 DOI: 10.1016/j.ejphar.2023.175556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 01/20/2023] [Accepted: 01/26/2023] [Indexed: 02/05/2023]
Abstract
Renal interstitial fibrosis (RIF) is the final pathway for chronic kidney diseases (CKD) to end-stage renal disease, with no ideal therapy at present. Previous studies indicated that sodium glucose co-transporter-2 inhibitor (SGLT2i) dapagliflozin had the effect of anti-RIF, but the mechanism remains elusive and the renal protective effect could not be fully explained by singly targeting SGLT2. In this study, we aimed to explore the mechanism of dapagliflozin against RIF and identify novel potential targets. Firstly, dapagliflozin treatment improved pro-fibrotic indicators in unilateral ureteral obstruction mice and transforming growth factor beta 1 induced human proximal tubular epithelial cells. Then, transcriptomics and bioinformatics analysis were performed, and results revealed that dapagliflozin against RIF by regulating inflammation and oxidative stress related signals. Subsequently, targets prediction and analysis demonstrated that glutamate ionotropic receptor NMDA type subunit 1 (GRIN1) was a novel potential target of dapagliflozin, which was related to inflammation and oxidative stress related signals. Moreover, molecular dynamics simulation revealed that dapagliflozin could stably bind to GRIN1 protein and change its spatial conformation. Furthermore, human renal samples and Nephroseq data were used for GRIN1 expression evaluation, and the results showed that GRIN1 expression were increased in renal tissues of CKD and RIF patients than controls. Additionally, further studies demonstrated that dapagliflozin could reduce intracellular calcium influx in renal tubular cells, which depended on regulating GRIN1 protein but not gene. In conclusion, GRIN1 is probably a novel target of dapagliflozin against RIF.
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Affiliation(s)
- Yuyuan Liu
- Department of Nephrology, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China; Department of Nephrology, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Suzhou, Jiangsu, 215002, China
| | - Yanzhe Wang
- Department of Nephrology, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Sijia Chen
- Department of Nephrology, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Linnan Bai
- Department of Nephrology, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Fengqin Li
- Department of Nephrology, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yue Wu
- Department of Nephrology, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Ling Zhang
- Department of Obstetrics and Gynecology, Chengdu Women's and Children's Central Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, Sichuan, 610073, China.
| | - Xiaoxia Wang
- Department of Nephrology, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
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14
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Lacroix R, Kurrasch DM. Glyphosate Toxicity: In Vivo, In Vitro, and Epidemiological Evidence. Toxicol Sci 2023; 192:kfad018. [PMID: 36857578 DOI: 10.1093/toxsci/kfad018] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/03/2023] Open
Abstract
Glyphosate is the most applied agricultural chemical worldwide and has become nearly ubiquitous throughout the environment. Glyphosate is an effective herbicide because it disrupts the shikimate pathway, which is responsible for the synthesis of essential amino acids in plants and microorganisms. Given that there is no known target for glyphosate in higher animals, its toxicity to humans and other animals is heavily debated, especially after the 2015 IARC ruling that glyphosate is carcinogenic. Today, a growing body of literature shows in vitro, in vivo, and epidemiological evidence for the toxicity of glyphosate across animal species. With the application of glyphosate increasing globally, it is important to discuss these reports to enable a broader conversation on glyphosate toxicity and its impact on human and environmental health. Here, we summarize the recent glyphosate literature and discuss its implications.
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Affiliation(s)
- Rachel Lacroix
- Department of Medical Genetics, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
- Alberta Children's Hospital Research Institute (ACHRI), Calgary, AB, Canada
- Hotchkiss Brain Institute, University of Calgary, Calgary, AB, Canada
| | - Deborah M Kurrasch
- Department of Medical Genetics, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
- Alberta Children's Hospital Research Institute (ACHRI), Calgary, AB, Canada
- Hotchkiss Brain Institute, University of Calgary, Calgary, AB, Canada
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15
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Qi L, Dong YM, Chao H, Zhao P, Ma SL, Li G. Glyphosate based-herbicide disrupts energy metabolism and activates inflammatory response through oxidative stress in mice liver. CHEMOSPHERE 2023; 315:137751. [PMID: 36608876 DOI: 10.1016/j.chemosphere.2023.137751] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 12/22/2022] [Accepted: 01/02/2023] [Indexed: 06/17/2023]
Abstract
Glyphosate, the most widely used herbicide worldwide, has been reported to cause hepatotoxicity. However, these systematic mechanisms remain poorly understood. Here, we investigated the effects of glyphosate-based herbicides (GBH) on liver toxicity in mice exposed to 0, 50, 250, and 500 mg/kg/day GBH for 30 d. Pathological and ultrastructural changes, serum biochemical indicators, oxidative stress state, and transcriptome and key protein alterations were performed to describe the hepatic responses to GBH. GBH induced hepatocytes structural alterations, vacuolation, and inflammatory, mitochondrial swelling and vacuolization; damaged liver function and aggravated oxidative stress; blocked the respiratory chain, promoted gluconeogenesis, fatty acid synthesis and elongation, and activated complement and coagulation cascades system (CCCS) in the liver. Moreover, SOD, H2O2, and MDA were negatively correlated with the CxI and CxIV genes, but positively correlated with the genes in glucolipid metabolism and CCCS pathways; however, the opposite results were observed for CAT, GSH-Px, and T-AOC. Overall, this study revealed the systematic mechanism underlying hepatotoxicity caused by GBH, providing new insights into understanding the hepatotoxicity of organophosphorus pesticide.
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Affiliation(s)
- Lei Qi
- Department of Nutrition and Food Hygiene, Public Health College, Qiqihar Medical University, Qiqihar, 161006, Heilongjiang, China
| | - Yan-Mei Dong
- Department of Nutrition and Food Hygiene, Public Health College, Qiqihar Medical University, Qiqihar, 161006, Heilongjiang, China
| | - Hong Chao
- Department of Preventive Medicine, Public Health College, Qiqihar Medical University, Qiqihar, 161006, Heilongjiang, China
| | - Peng Zhao
- Digital Curriculum Center, Academic Affairs Department, Qiqihar Medical University, Qiqihar, 161006, Heilongjiang, China
| | - Shu-Li Ma
- Public Health Experimental Center, Public Health College, Qiqihar Medical University, Qiqihar, 161006, Heilongjiang, China
| | - Gang Li
- Department of Preventive Medicine, Public Health College, Qiqihar Medical University, Qiqihar, 161006, Heilongjiang, China.
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16
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de Batista DG, de Batista EG, Miragem AA, Ludwig MS, Heck TG. Disturbance of cellular calcium homeostasis plays a pivotal role in glyphosate-based herbicide-induced oxidative stress. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:9082-9102. [PMID: 36441326 DOI: 10.1007/s11356-022-24361-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Accepted: 11/17/2022] [Indexed: 06/16/2023]
Abstract
Glyphosate-based herbicides (GBHs) are the most worldwide used pesticides. The wide application of GBHs contaminates the soil and, consequently, water and food resources reaching human consumption. GBHs induce oxidative stress in non-target organisms, leading to a pro-inflammatory and pro-apoptotic cellular status, promoting tissue dysfunction and, thus, metabolic and neurobehavioral changes. This review presents evidence of oxidative damage induced by GBHs and the mechanism of cell damage and health consequences. To summarize, exposure to GBHs may induce disorders in calcium homeostasis related to the activation of ion channels. Also, alterations in pathways related to redox state regulation must have a primordial role in oxidative stress caused by GBHs.
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Affiliation(s)
- Diovana Gelati de Batista
- Research Group in Physiology, Regional University of Northwestern Rio Grande Do Sul State, Rio Grande Do Sul State, Ijuí, Brazil.
- Postgraduate Program in Integral Attention to Health, Regional University of Northwestern Rio Grande Do Sul State, Rio Grande Do Sul State, Ijuí, Brazil.
- Research Group in Cell Stress Response, Federal Institute of Education, Science and Technology Farroupilha, Rio Grande Do Sul State, Santa Rosa, Brazil.
- Postgraduate Program in Mathematical and Computational Modeling, Regional University of Northwestern Rio Grande Do Sul State, Rio Grande Do Sul State, Ijuí, Brazil.
| | - Edivania Gelati de Batista
- Research Group in Cell Stress Response, Federal Institute of Education, Science and Technology Farroupilha, Rio Grande Do Sul State, Santa Rosa, Brazil
| | - Antônio Azambuja Miragem
- Research Group in Cell Stress Response, Federal Institute of Education, Science and Technology Farroupilha, Rio Grande Do Sul State, Santa Rosa, Brazil
| | - Mirna Stela Ludwig
- Research Group in Physiology, Regional University of Northwestern Rio Grande Do Sul State, Rio Grande Do Sul State, Ijuí, Brazil
- Postgraduate Program in Integral Attention to Health, Regional University of Northwestern Rio Grande Do Sul State, Rio Grande Do Sul State, Ijuí, Brazil
| | - Thiago Gomes Heck
- Research Group in Physiology, Regional University of Northwestern Rio Grande Do Sul State, Rio Grande Do Sul State, Ijuí, Brazil
- Postgraduate Program in Integral Attention to Health, Regional University of Northwestern Rio Grande Do Sul State, Rio Grande Do Sul State, Ijuí, Brazil
- Postgraduate Program in Mathematical and Computational Modeling, Regional University of Northwestern Rio Grande Do Sul State, Rio Grande Do Sul State, Ijuí, Brazil
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17
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Jiang C, Wang H, Qi J, Li J, He Q, Wang C, Gao Y. Antidepressant effects of cherry leaf decoction on a chronic unpredictable mild stress rat model based on the Glu/GABA-Gln metabolic loop. Metab Brain Dis 2022; 37:2883-2901. [PMID: 36181653 DOI: 10.1007/s11011-022-01081-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/27/2022] [Accepted: 09/04/2022] [Indexed: 01/10/2023]
Abstract
Cherry leaves (Prunus pseudocerasus Lindl. [Rosaceae]), a traditional Chinese herbal medicine, can regulate the factors closely related to depression including inflammatory cytokines, oxidative stress and blood glucose level. However, the antidepressant effects of cherry leaves and underlying neuromodulatory mechanisms remain relatively have not been elucidated explicitly. The present study investigated the antidepressant effects of cherry leaf decoction (CLD). The underlying neuromodulatory mechanism was explored by examining the glutamate (Glu)/γ-aminobutyric acid (GABA)-glutamine (Gln) metabolic loop. The chronic unpredictable mild stress (CUMS) rodent model was used in this study. The main flavonoids components of CLD were identified using high-performance liquid chromatography (HPLC). The antidepressant effects of CLD were assessed throughout behavioural tests including the bodyweight, sucrose preference test (SPT), forced swimming test (FPT) and tail suspension test (TST). Moreover, The baseline levels of serum adrenocorticotropic hormone (ACTH) and corticosterone (CORT) were quantified. The expression of proteins integrally involved in the Glu/GABA-Gln metabolic loop were observed and quantified by Western blotting, reverse transcription-polymerase chain reaction (RT-PCR) and immunohistochemistry. This study found that CLD ameliorated depressive-like behaviours induced by CUMS. The increase of serum ACTH and CORT baseline levels induced by CUMS was also reversed after CLD intervention. Furthermore, CUMS reduced the expression of GAD65, GAD67, GLT-1, GS and GABAA and increased NMDAR1 levels in the rat hippocampus, which was normalized by CLD treatment. The findings demonstrated that CLD could ameliorate the depression-like behaviours induced by CUMS, potentially through the inhibition of hypothalamic-pituitary-adrenal (HPA) axis hyperactivity and the regulation of Glu/GABA-Gln metabolic loop.
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Affiliation(s)
- Chuan Jiang
- Department of Preventive Medicine, Hebei University of Chinese Medicine, 3 Xingyuan Road, Shijiazhuang, 050200, Hebei, People's Republic of China
| | - Hua Wang
- Department of Preventive Medicine, Hebei University of Chinese Medicine, 3 Xingyuan Road, Shijiazhuang, 050200, Hebei, People's Republic of China
| | - Jiaying Qi
- Department of Pharmacy, Hebei University of Chinese Medicine, Shijiazhuang, 050200, Hebei, People's Republic of China
| | - Jinghan Li
- Department of Preventive Medicine, Hebei University of Chinese Medicine, 3 Xingyuan Road, Shijiazhuang, 050200, Hebei, People's Republic of China
| | - Qianqian He
- Department of Pharmacy, Hebei University of Chinese Medicine, Shijiazhuang, 050200, Hebei, People's Republic of China
| | - Chaonan Wang
- Department of Preventive Medicine, Hebei University of Chinese Medicine, 3 Xingyuan Road, Shijiazhuang, 050200, Hebei, People's Republic of China.
| | - Yonggang Gao
- Department of Preventive Medicine, Hebei University of Chinese Medicine, 3 Xingyuan Road, Shijiazhuang, 050200, Hebei, People's Republic of China.
- Hebei Key Laboratory of Chinese Medicine Research On Cardio-Cerebrovascular Disease, Shijiazhuang, 050200, Hebei, People's Republic of China.
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18
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Chen K, Liu JB, Tie CZ, Wang L. Trehalose prevents glyphosate-induced testicular damage in roosters via its antioxidative properties. Res Vet Sci 2022; 152:314-322. [PMID: 36084373 DOI: 10.1016/j.rvsc.2022.08.029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2022] [Revised: 08/16/2022] [Accepted: 08/30/2022] [Indexed: 10/14/2022]
Abstract
Glyphosate (GLY), an active ingredient of the most commonly used herbicide, when in crops and feed, is deleterious to male reproductive health. Trehalose (Tre), a naturally non-reducing disaccharide, is shown to counteract the adverse stresses due to its antioxidation effect. Thus, this study was designed to investigate whether Tre can improve GLY-induced testicular damage via suppressing oxidative stress. 60 healthy Hy-Line Brown breeder roosters were utilized to assess the protective effects of Tre supplementation against testicular oxidative damage caused by GLY. Data showed that Tre administration significantly alleviated GLY- induced reduction in testis weight, decreased GLY level in the testis tissues, and alleviated GLY-caused testicular pathological damage. Concurrently, GLY treatment significantly elevated serum malondialdehyde (MDA) and testicular reactive oxygen species (ROS) levels, decreased serum total anti-oxidation capacity (T-AOC), catalase (CAT), superoxide dismutase (SOD) and glutathione peroxidase (GSH-Px) levels, which were all notably reversed by Tre administration. Moreover, GLY- inhibited nuclear factor erythroid 2-related factor 2 (Nrf2) pathway in rooster testis, a master regulator of oxidative stress, was markedly recovered by Tre administration. In summary, these findings demonstrated that Tre can prevent GLY-induced testicular damage in roosters by ameliorating oxidative stress.
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Affiliation(s)
- Kai Chen
- New Drug Evaluation Center of Shandong Academy of Pharmaceutical Sciences, Shandong Academy of Pharmaceutical Sciences, 989 Xinluo Street, Ji'nan City 250101, Shandong Province, China; Shandong Technology Innovation Center of Artificial Phage Drug, 989 Xinluo Street, Ji'nan City 250101, Shandong Province, China
| | - Jing-Bo Liu
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University, 61 Daizong Street, Tai'an City, Shandong Province 271018, China
| | - Cheng-Zhu Tie
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University, 61 Daizong Street, Tai'an City, Shandong Province 271018, China
| | - Lin Wang
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University, 61 Daizong Street, Tai'an City, Shandong Province 271018, China.
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19
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Ding F, Zhang L, Wu X, Liu Y, Wan Y, Hu J, Zhang X, Wu Q. Melatonin ameliorates renal dysfunction in glyphosate- and hard water-treated mice. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 241:113803. [PMID: 36068739 DOI: 10.1016/j.ecoenv.2022.113803] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Revised: 06/05/2022] [Accepted: 06/19/2022] [Indexed: 06/15/2023]
Abstract
Chronic interstitial nephritis in agricultural communities (CINAC) is a severe and widespread disease that has been associated with environmental and occupational exposure to glyphosate and hard water. However, the potential underlying mechanisms remain incompletely understood. Melatonin is reported to exert protective effects on the kidney, but whether melatonin can attenuate renal tubular injury in mice exposed to glyphosate combined with hard water is unclear. Here, mice were treated with high doses and environmentally relevant doses of glyphosate (100 mg/kg·bw and 0.7 mg/L, respectively) and/or hard water (2500 mg/L CaCO3 and 250 mg/L Ca2+, respectively) via their drinking water for 12 weeks. We found that high-dose glyphosate or hard water treatment significantly increased the levels of biomarkers of renal damage, including β2-microglobulin, neutrophil gelatinase-associated lipid carrier protein, and/or albumin, in the urine; these increased biomarker levels were correlated with obvious morphological changes, and all of these changes were also observed in animals exposed to environmentally relevant doses of glyphosate and/or high Ca2+ water. Melatonin (10 mg/kg·bw, intraperitoneal injection, daily for 12 weeks) administered concomitantly with high doses of glyphosate and hard water inhibited the glyphosate- and hard water-induced increases in the levels of kidney injury biomarkers and changes in morphology; this result was intriguing. Additionally, glyphosate combined with hard water at both high and environmentally relevant doses significantly upregulated the expression of the endoplasmic reticulum (ER) stress marker proteins Bip, ATF6, and PERK as well as the pyroptosis-related proteins (NLRP3 and caspase 1 signaling proteins) in renal tissues. Similarly, melatonin significantly attenuated the increased ER stress and pyroptosis induced by high doses of glyphosate and hard water. In summary, we conclude that exposure to glyphosate and hard water at both high doses and environmentally relevant doses causes renal dysfunction in mice, and this dysfunction can be attenuated by melatonin, possibly through the inhibition of ER stress and pyroptosis. Our results support the notion that melatonin may have therapeutic potential for the treatment of chronic kidney diseases.
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Affiliation(s)
- Fan Ding
- School of Public Health and Key Laboratory of Public Health Safety of the Ministry of Education, Fudan University, Shanghai, China
| | - Lin Zhang
- School of Public Health and Key Laboratory of Public Health Safety of the Ministry of Education, Fudan University, Shanghai, China; Key Laboratory of Children's Environmental Health, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xuan Wu
- School of Public Health and Key Laboratory of Public Health Safety of the Ministry of Education, Fudan University, Shanghai, China
| | - Yingying Liu
- School of Public Health and Key Laboratory of Public Health Safety of the Ministry of Education, Fudan University, Shanghai, China
| | - Yi Wan
- Laboratory for Earth Surface Processes, College of Urban and Environmental Sciences, Peking University, Beijing, China
| | - Jianying Hu
- Laboratory for Earth Surface Processes, College of Urban and Environmental Sciences, Peking University, Beijing, China
| | - Xiaoyan Zhang
- Department of Nephrology, Zhongshan Hospital of Fudan University, Shanghai, China.
| | - Qing Wu
- School of Public Health and Key Laboratory of Public Health Safety of the Ministry of Education, Fudan University, Shanghai, China.
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20
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Dal’ Bó IF, Teixeira ES, Rabi LT, Peres KC, Nascimento M, Chiamolera MI, Máximo V, Bufalo NE, Ward LS. Alternation between toxic and proliferative effects of Roundup® on human thyroid cells at different concentrations. Front Endocrinol (Lausanne) 2022; 13:904437. [PMID: 35992109 PMCID: PMC9382701 DOI: 10.3389/fendo.2022.904437] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Accepted: 07/05/2022] [Indexed: 11/21/2022] Open
Abstract
Endocrine-disrupting and carcinogenic effects of glyphosate have long been suspected, but little is known about the effect of compounds used in real life at different concentrations, neither in normal nor in thyroid tumor cells. As cancer cells may have different sensitivities and the effect of the product containing glyphosate may be different from that produced by the active ingredient alone, including the Acceptable Occupational Exposure Level (AOEL=160µg/L) and the Acceptable Daily Intake (ADI=830µg/L) determined by ANVISA, we used two human thyroid-derived cell lines, Nthy-ori 3-1 (from normal follicular cells) and TPC-1 (from papillary carcinoma), to test 15 different concentrations of Roundup® Original DI. Trypan blue (TB), CCK-8 and BrdU assays were used to evaluate cytotoxicity, metabolic activity and proliferation with 24h and 48h exposures in technical and biological triplicates. TB showed an important toxic effect, especially after 24h of exposure, in both cell lines. The AOEL concentration caused the death of 43% and 50% of the Nthy-ori and TPC-1 cells, respectively, in 24 h, while ADI resulted in 35% and 58% of cell death. After 48h of exposure, AOEL and ADI caused a lower number of dead Nthy-ori (33% and 18%) and TPC-1 (33% and 37%) cells, respectively, suggesting that the toxic effect of the product disappears and/or both strains have repair mechanisms that protect them from longer exposures. On the other hand, the CCK-8 assay showed that small concentrations of Roundup have a proliferative effect: 6.5µg/L increased the number of both Nthy-ori and TPC-1 cells at 24h, and the BrdU assay confirmed the stimulatory effect with a 321% increase in the absorbance of Nthy-ori cells at 48h. The herbicide produced even more frequent increases in the BrdU absorbance of TPC-1 cells, mainly at 24h. We conclude that thyroid cells exposed to Roundup present a nonmonotonic dual dose-response curve. Low concentrations of the pesticide, considered acceptable, cause significant cell death but also have an important proliferative effect, especially on TPC-1 cells. This herbicide, widely used around the world, may play a role in the increased incidence rate of thyroid nodules and cancer that has been observed in recent decades.
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Affiliation(s)
- Izabela Fernanda Dal’ Bó
- Laboratory of Cancer Molecular Genetics, School of Medical Sciences, University of Campinas, Campinas, Brazil
| | - Elisângela Souza Teixeira
- Laboratory of Cancer Molecular Genetics, School of Medical Sciences, University of Campinas, Campinas, Brazil
| | - Larissa Teodoro Rabi
- Laboratory of Cancer Molecular Genetics, School of Medical Sciences, University of Campinas, Campinas, Brazil
| | - Karina Colombera Peres
- Laboratory of Cancer Molecular Genetics, School of Medical Sciences, University of Campinas, Campinas, Brazil
| | - Matheus Nascimento
- Laboratory of Cancer Molecular Genetics, School of Medical Sciences, University of Campinas, Campinas, Brazil
| | | | - Valdemar Máximo
- Department of Medicine, Federal University of São Paulo, São Paulo, Brazil
- Institute for Research and Innovation in Health (i3S), University of Porto, Porto, Portugal
- Institute of Molecular Pathology and Immunology of the University of Porto (Ipatimup), Porto, Portugal
| | - Natássia Elena Bufalo
- Laboratory of Cancer Molecular Genetics, School of Medical Sciences, University of Campinas, Campinas, Brazil
- Department of Pathology, Faculty of Medicine of the University of Porto (FMUP), Porto, Portugal
| | - Laura Sterian Ward
- Laboratory of Cancer Molecular Genetics, School of Medical Sciences, University of Campinas, Campinas, Brazil
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21
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Overview of Environmental and Health Effects Related to Glyphosate Usage. SUSTAINABILITY 2022. [DOI: 10.3390/su14116868] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Since the introduction of glyphosate (N-(phosphomethyl) glycine) in 1974, it has been the most used nonselective and broad-spectrum herbicide around the world. The widespread use of glyphosate and glyphosate-based herbicides is due to their low-cost efficiency in killing weeds, their rapid absorption by plants, and the general mistaken perception of their low toxicity to the environment and living organisms. As a consequence of the intensive use and accumulation of glyphosate and its derivatives on environmental sources, major concerns about the harmful side effects of glyphosate and its metabolites on human, plant, and animal health, and for water and soil quality, are emerging. Glyphosate can reach water bodies by soil leaching, runoff, and sometimes by the direct application of some approved formulations. Moreover, glyphosate can reach nontarget plants by different mechanisms, such as spray application, release through the tissue of treated plants, and dead tissue from weeds. As a consequence of this nontarget exposure, glyphosate residues are being detected in the food chains of diverse products, such as bread, cereal products, wheat, vegetable oil, fruit juice, beer, wine, honey, eggs, and others. The World Health Organization reclassified glyphosate as probably carcinogenic to humans in 2015 by the IARC. Thus, many review articles concerning different glyphosate-related aspects have been published recently. The risks, disagreements, and concerns regarding glyphosate usage have led to a general controversy about whether glyphosate should be banned, restricted, or promoted. Thus, this review article makes an overview of the basis for scientists, regulatory agencies, and the public in general, with consideration to the facts on and recommendations for the future of glyphosate usage.
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22
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Upamalika SWAM, Wannige CT, Vidanagamachchi SM, Gunasekara SC, Kolli RT, De Silva PMCS, Kulasiri D, Jayasundara N. A review of molecular mechanisms linked to potential renal injury agents in tropical rural farming communities. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2022; 92:103850. [PMID: 35301132 DOI: 10.1016/j.etap.2022.103850] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Revised: 03/09/2022] [Accepted: 03/11/2022] [Indexed: 06/14/2023]
Abstract
The chronic kidney disease of unknown etiology (CKDu) is a global health concern primarily impacting tropical farming communities. Although the precise etiology is debated, CKDu is associated with environmental exposures including heat stress and chemical contaminants such as fluoride, heavy metals, and herbicide glyphosate. However, a comprehensive synthesis is lacking on molecular networks underpinning renal damage induced by these factors. Addressing this gap, here we present key molecular events associated with heat and chemical exposures. We identified that caspase activation and lipid peroxidation are common endpoints of glyphosate exposure, while vasopressin and polyol pathways are associated with heat stress and dehydration. Heavy metal exposure is shown to induce lipid peroxidation and endoplasmic reticulum stress from ROS activated MAPK, NFĸB, and caspase. Collectively, we identify that environmental exposure induced increased cellular oxidative stress as a common mechanism mediating renal cell inflammation, apoptosis, and necrosis, likely contributing to CKDu initiation and progression.
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Affiliation(s)
| | | | | | | | - Ramya Tulasi Kolli
- Nicholas School of the Environment, Duke University, NC 27708, United States.
| | | | - Don Kulasiri
- Department of Molecular Biosciences, and Centre for Advanced Computational Solutions (C-fACS), Lincoln University, New Zealand.
| | - Nishad Jayasundara
- Nicholas School of the Environment, Duke University, NC 27708, United States.
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23
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Eaton JL, Cathey AL, Fernandez JA, Watkins DJ, Silver MK, Milne GL, Velez-Vega C, Rosario Z, Cordero J, Alshawabkeh A, Meeker JD. The association between urinary glyphosate and aminomethyl phosphonic acid with biomarkers of oxidative stress among pregnant women in the PROTECT birth cohort study. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 233:113300. [PMID: 35158254 PMCID: PMC8920761 DOI: 10.1016/j.ecoenv.2022.113300] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 02/07/2022] [Accepted: 02/08/2022] [Indexed: 05/03/2023]
Abstract
BACKGROUND Glyphosate is a widely used herbicide in global agriculture. Glyphosate and its primary environmental degradate, aminomethyl phosphonic acid (AMPA), have been shown to disrupt endocrine function and induce oxidative stress in in vitro and animal studies. To our knowledge, these relationships have not been previously characterized in epidemiological settings. Elevated urinary levels of glyphosate and AMPA may be indicative of health effects caused by previous exposure via multiple mechanisms including oxidative stress. METHODS Glyphosate and AMPA were measured in 347 urine samples collected between 16 and 20 weeks gestation and 24-28 weeks gestation from pregnant women in the PROTECT birth cohort. Urinary biomarkers of oxidative stress, comprising 8-isoprostane-prostaglandin-F2α (8-iso-PGF2α), its metabolite 2,3-dinor-5,6-dihydro-15-F2 t-isoprostane (8-isoprostane metabolite) and prostaglandin-F2α (PGF2α), were also measured. Linear mixed effect models assessed the association between exposures and oxidative stress adjusting for maternal age, smoking status, alcohol consumption, household income and specific gravity. Potential nonlinear trends were also assessed using tertiles of glyphosate and AMPA exposure levels. RESULTS No significant differences in exposure or oxidative stress biomarker concentrations were observed between study visits. An interquartile range (IQR) increase in AMPA was associated with 9.5% (95% CI: 0.5-19.3%) higher 8-iso-PGF2α metabolite concentrations. Significant linear trends were also identified when examining tertiles of exposure variables. Compared to the lowest exposure group, the second and third tertiles of AMPA were significantly associated with 12.8% (0.6-26.5%) and 15.2% (1.8-30.3%) higher 8-isoprostane metabolite, respectively. An IQR increase in glyphosate was suggestively associated with 4.7% (-0.9 to 10.7%) higher 8-iso-PGF2α. CONCLUSIONS Urinary concentrations of the main environmental degradate of glyphosate, AMPA, were associated with higher levels of certain oxidative stress biomarkers. Associations with glyphosate reflected similar trends, although findings were not as strong. Additional research is required to better characterize the association between glyphosate exposure and biomarkers of oxidative stress, as well as potential downstream health consequences.
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Affiliation(s)
- Jarrod L Eaton
- University of Michigan School of Public Health, Department of Environmental Health Sciences, Ann Arbor, MI, United States
| | - Amber L Cathey
- University of Michigan School of Public Health, Department of Environmental Health Sciences, Ann Arbor, MI, United States
| | - Jennifer A Fernandez
- University of Michigan School of Public Health, Department of Environmental Health Sciences, Ann Arbor, MI, United States
| | - Deborah J Watkins
- University of Michigan School of Public Health, Department of Environmental Health Sciences, Ann Arbor, MI, United States
| | - Monica K Silver
- University of Michigan School of Public Health, Department of Environmental Health Sciences, Ann Arbor, MI, United States
| | - Ginger L Milne
- Department of Medicine - Clinical Pharmacology, Vanderbilt University Medical Center, Nashville, TN, United States
| | - Carmen Velez-Vega
- University of Puerto Rico Graduate School of Public Health, UPR Medical Sciences Campus, San Juan, PR, United States
| | - Zaira Rosario
- University of Puerto Rico Graduate School of Public Health, UPR Medical Sciences Campus, San Juan, PR, United States
| | - Jose Cordero
- Department of Epidemiology and Biostatistics, University of Georgia, Athens, GA, United States
| | - Akram Alshawabkeh
- College of Engineering, Northeastern University, Boston, MA, United States
| | - John D Meeker
- University of Michigan School of Public Health, Department of Environmental Health Sciences, Ann Arbor, MI, United States.
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24
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Wang X, Lu Q, Guo J, Ares I, Martínez M, Martínez-Larrañaga MR, Wang X, Anadón A, Martínez MA. Oxidative Stress and Metabolism: A Mechanistic Insight for Glyphosate Toxicology. Annu Rev Pharmacol Toxicol 2022; 62:617-639. [PMID: 34990202 DOI: 10.1146/annurev-pharmtox-020821-111552] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Glyphosate (GLYP) is a widely used pesticide; it is considered to be a safe herbicide for animals and humans because it targets 5-enolpyruvylshikimate-3-phosphate synthase. However, there has been increasing evidence that GLYP causes varying degrees of toxicity. Moreover, oxidative stress and metabolism are highly correlated with toxicity. This review provides a comprehensive introduction to the toxicity of GLYP and, for the first time, systematically summarizes the toxicity mechanism of GLYP from the perspective of oxidative stress, including GLYP-mediated oxidative damage, changes in antioxidant status, altered signaling pathways, and the regulation of oxidative stress by exogenous substances. In addition, the metabolism of GLYP is discussed, including metabolites,metabolic pathways, metabolic enzymes, and the toxicity of metabolites. This review provides new ideas for the toxicity mechanism of GLYP and proposes effective strategies for reducing its toxicity.
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Affiliation(s)
- Xiaojing Wang
- National Reference Laboratory of Veterinary Drug Residues and MAO Key Laboratory for Detection of Veterinary Drug Residues, Huazhong Agricultural University, Wuhan, Hubei 430070, China;
| | - Qirong Lu
- National Reference Laboratory of Veterinary Drug Residues and MAO Key Laboratory for Detection of Veterinary Drug Residues, Huazhong Agricultural University, Wuhan, Hubei 430070, China;
| | - Jingchao Guo
- National Reference Laboratory of Veterinary Drug Residues and MAO Key Laboratory for Detection of Veterinary Drug Residues, Huazhong Agricultural University, Wuhan, Hubei 430070, China;
| | - Irma Ares
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Universidad Complutense de Madrid, and Research Institute Hospital 12 de Octubre, 28040 Madrid, Spain;
| | - Marta Martínez
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Universidad Complutense de Madrid, and Research Institute Hospital 12 de Octubre, 28040 Madrid, Spain;
| | - María-Rosa Martínez-Larrañaga
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Universidad Complutense de Madrid, and Research Institute Hospital 12 de Octubre, 28040 Madrid, Spain;
| | - Xu Wang
- National Reference Laboratory of Veterinary Drug Residues and MAO Key Laboratory for Detection of Veterinary Drug Residues, Huazhong Agricultural University, Wuhan, Hubei 430070, China;
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Universidad Complutense de Madrid, and Research Institute Hospital 12 de Octubre, 28040 Madrid, Spain;
- MAO Laboratory for Risk Assessment of Quality and Safety of Livestock and Poultry Products, Huazhong Agricultural University, Wuhan, Hubei 430070, China
- Hubei Collaborative Innovation Center for Animal Nutrition and Feed Safety, Wuhan, Hubei 430023, China
| | - Arturo Anadón
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Universidad Complutense de Madrid, and Research Institute Hospital 12 de Octubre, 28040 Madrid, Spain;
| | - María-Aránzazu Martínez
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Universidad Complutense de Madrid, and Research Institute Hospital 12 de Octubre, 28040 Madrid, Spain;
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25
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Qiu S, Liu Y, Gao Y, Fu H, Shi B. Response of the nuclear xenobiotic receptors to alleviate glyphosate-based herbicide-induced nephrotoxicity in weaned piglets. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:2707-2717. [PMID: 34378135 DOI: 10.1007/s11356-021-15831-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Accepted: 08/02/2021] [Indexed: 06/13/2023]
Abstract
Glyphosate-based herbicides (GBHs) are widely used worldwide. Glyphosate (GLP) is the main active component of GBHs. The presence of GBH residues in the environment has led to the exposure of animals to GBHs, but the mechanisms of GBH-induced nephrotoxicity are not clear. This study investigated the effects of GBHs on piglet kidneys. Twenty-eight healthy female hybrid weaned piglets (Duroc × Landrace × Yorkshire) with an average weight of 12.24 ± 0.61 kg were randomly divided into four treatment groups (n=7 piglets/group) that were supplemented with Roundup® (equivalent to GLP concentrations of 0, 10, 20, and 40 mg/kg) for a 35-day feeding trial. The results showed that the kidneys in the 40-mg/kg GLP group suffered slight damage. Roundup® significantly decreased the activity of catalase (CAT) (P=0.005) and increased the activity of superoxide dismutase (SOD) (P=0.029). Roundup® increased the level of cystatin-C (Cys-C) in the plasma (linear, P=0.002 and quadratic, P=0.015). The levels of neutrophil gelatinase-associated lipocalin (NGAL) in plasma increased linearly (P=0.007) and quadratically (P=0.003) as the dose of GLP increased. The mRNA expression of intercellular cell adhesion molecule-1 (ICAM-1) in the 20-mg/kg GLP group was increased significantly (P<0.05). There was a significant increase in the mRNA levels of pregnenolone X receptor (PXR), constitutive androstane receptor (CAR), and uridine diphosphate glucuronosyltransferase 1A3 (UGT1A3) (P<0.05). Our findings found that kidney nuclear xenobiotic receptors (NXRs) may play an important role in defense against GBHs.
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Affiliation(s)
- Shengnan Qiu
- Institute of Animal Nutrition, Northeast Agricultural University, Harbin, 150030, People's Republic of China
| | - Yang Liu
- Institute of Animal Nutrition, Northeast Agricultural University, Harbin, 150030, People's Republic of China
| | - Yanan Gao
- Institute of Animal Nutrition, Northeast Agricultural University, Harbin, 150030, People's Republic of China
| | - Huiyang Fu
- Institute of Animal Nutrition, Northeast Agricultural University, Harbin, 150030, People's Republic of China
| | - Baoming Shi
- Institute of Animal Nutrition, Northeast Agricultural University, Harbin, 150030, People's Republic of China.
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26
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Soares D, Silva L, Duarte S, Pena A, Pereira A. Glyphosate Use, Toxicity and Occurrence in Food. Foods 2021; 10:2785. [PMID: 34829065 PMCID: PMC8622992 DOI: 10.3390/foods10112785] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Revised: 11/03/2021] [Accepted: 11/07/2021] [Indexed: 01/20/2023] Open
Abstract
Glyphosate is a systemic, broad-spectrum and post-emergent herbicide. The use of glyphosate has grown in the last decades, and it is currently the most used herbicide worldwide. The rise of glyphosate consumption over the years also brought an increased concern about its possible toxicity and consequences for human health. However, a scientific community consensus does not exist at the present time, and glyphosate's safety and health consequences are controversial. Since glyphosate is mainly applied in fields and can persist several months in the soil, concerns have been raised about the impact that its presence in food can cause in humans. Therefore, this work aims to review the glyphosate use, toxicity and occurrence in diverse food samples, which, in certain cases, occurs at violative levels. The incidence of glyphosate at levels above those legally allowed and the suspected toxic effects of this compound raise awareness regarding public health.
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Affiliation(s)
- Diogo Soares
- LAQV, REQUIMTE, Laboratory of Bromatology and Pharmacognosy, Faculty of Pharmacy, University of Coimbra, Polo III, Azinhaga de Stª Comba, 3000-548 Coimbra, Portugal; (D.S.); (L.S.); (S.D.); (A.P.)
| | - Liliana Silva
- LAQV, REQUIMTE, Laboratory of Bromatology and Pharmacognosy, Faculty of Pharmacy, University of Coimbra, Polo III, Azinhaga de Stª Comba, 3000-548 Coimbra, Portugal; (D.S.); (L.S.); (S.D.); (A.P.)
| | - Sofia Duarte
- LAQV, REQUIMTE, Laboratory of Bromatology and Pharmacognosy, Faculty of Pharmacy, University of Coimbra, Polo III, Azinhaga de Stª Comba, 3000-548 Coimbra, Portugal; (D.S.); (L.S.); (S.D.); (A.P.)
- Vasco da Gama Research Center, Escola Universitária Vasco da Gama, 3020-210 Coimbra, Portugal
| | - Angelina Pena
- LAQV, REQUIMTE, Laboratory of Bromatology and Pharmacognosy, Faculty of Pharmacy, University of Coimbra, Polo III, Azinhaga de Stª Comba, 3000-548 Coimbra, Portugal; (D.S.); (L.S.); (S.D.); (A.P.)
| | - André Pereira
- LAQV, REQUIMTE, Laboratory of Bromatology and Pharmacognosy, Faculty of Pharmacy, University of Coimbra, Polo III, Azinhaga de Stª Comba, 3000-548 Coimbra, Portugal; (D.S.); (L.S.); (S.D.); (A.P.)
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27
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Zhang L, Ding F, Wang R, Wu X, Wan Y, Hu J, Wu Q. Involvement of mitochondrial fission in renal tubular pyroptosis in mice exposed to high and environmental levels of glyphosate combined with hard water. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 283:117082. [PMID: 33848899 DOI: 10.1016/j.envpol.2021.117082] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Revised: 03/20/2021] [Accepted: 04/01/2021] [Indexed: 06/12/2023]
Abstract
Chronic interstitial nephritis in agricultural communities (CINAC) has reached epidemic proportions. The combination of glyphosate and hard water has been postulated to play a potent aetiological role in CINAC. Therefore, dynamin-related protein 1 (Drp1)-mediated aberrant mitochondrial fission and subsequent activation of the nucleotide-binding oligomerization domain (NOD)-like receptor protein 3 (Nlrp3)/caspase1 pathway may be involved in the pathogenesis of nephropathy. In the present study, mice were sub-chronically exposed to high doses and environmental levels of glyphosate (100 mg/kg body weight (mg/kg·bw) glyphosate in Roundup and 0.7 mg/L pure glyphosate, respectively) and hard water (2500 mg/L CaCO3 and 250 mg/L Ca2+, respectively) in drinking water. Moreover, Mdivi-1 (Md-1, 10 mg/kg·bw) was intraperitoneally injected to inhibit Drp1 on the basis of the high-dose experiment. Histopathological examination, biochemical analysis, ELISA, western blotting and fluorescent staining were used to analyse renal structure, renal tubular pyroptosis and mitochondrial fission/fusion alterations. The results showed dramatic proximal tubular injury, particularly in the combined groups. Moreover, significant increases in the protein expression levels of calmodulin (CaM), calmodulin-dependent protein kinase II (CaMKII), Drp1/p-Drp1-Ser616 and the Txnip/Nlrp3/caspase1 signalling pathway, and alterations in oxidative stress were observed in the combined groups, and these effects were attenuated by the Drp1 inhibitor Md-1. Intriguingly, there may be a synergistic effect of glyphosate and hard water on renal injury. Taken together, these results suggest that the combination of glyphosate and hard water, even at environmental exposure levels, enhances pyroptosis and ongoing tubulointerstitial inflammation through excessive Drp1-mediated mitochondrial fission.
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Affiliation(s)
- Lin Zhang
- School of Public Health, Fudan University, Shanghai, China
| | - Fan Ding
- School of Public Health, Fudan University, Shanghai, China
| | - Ruojing Wang
- School of Public Health, Fudan University, Shanghai, China
| | - Xuan Wu
- School of Public Health, Fudan University, Shanghai, China
| | - Yi Wan
- Laboratory for Earth Surface Processes, College of Urban and Environmental Sciences, Peking University, Beijing, China
| | - Jianying Hu
- Laboratory for Earth Surface Processes, College of Urban and Environmental Sciences, Peking University, Beijing, China
| | - Qing Wu
- School of Public Health, Fudan University, Shanghai, China.
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28
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Liu J, Dong C, Zhai Z, Tang L, Wang L. Glyphosate-induced lipid metabolism disorder contributes to hepatotoxicity in juvenile common carp. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 269:116186. [PMID: 33302084 DOI: 10.1016/j.envpol.2020.116186] [Citation(s) in RCA: 61] [Impact Index Per Article: 20.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Revised: 11/12/2020] [Accepted: 11/27/2020] [Indexed: 06/12/2023]
Abstract
Residues of glyphosate (GLY) are widely detected in aquatic systems, raising potential environmental threats and public health concerns, but the mechanism underlying GLY-induced hepatotoxicity in fish has not been fully elucidated yet. This study was designed to explore the hepatotoxic mechanism using juvenile common carp exposed to GLY for 45 d, and plasma and liver samples were collected at 15 d, 30 d, and 45 d to analyze the assays. First, GLY-induced hepatic damage was confirmed by serum liver damage biomarker and hepatic histopathological analysis. Next, changes in oxidative stress biomarkers, gene expression levels of pro- and anti-inflammatory cytokines, and lipid metabolism-related parameters in collected samples were analyzed to clarify their roles in GLY-induced hepatic damage. Data showed that oxidative stress was an early event during GLY exposure, followed by hepatic inflammatory response. Lipid metabolism disorder was a late event during GLY exposure, as evidenced by overproduced hepatic free fatty acids, enhanced lipogenesis-related gene expression levels, reduced lipolysis-related gene expression levels, and resultant hepatic lipid accumulation. Collectively, these findings demonstrate that GLY induces hepatotoxicity in fish through involvement of oxidative stress, inflammatory response, and lipid metabolism disorder, which are intimately interrelated with each other during GLY exposure.
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Affiliation(s)
- Jingbo Liu
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University, 61 Daizong Street, Tai'an City, Shandong Province, 271018, China; Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Agricultural University, 61 Daizong Street, Tai'an City, Shandong Province, 271018, China; Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Shandong Agricultural University, 61 Daizong Street, Tai'an City, Shandong Province, 271018, China
| | - Chenyu Dong
- The Third Affiliated Hospital of Sun Yat-sen University, 600 Tianhe Road, Tianhe District, Guangzhou City, Guangdong Province, 510000, China
| | - Zhenzhen Zhai
- Tai'an City Central Hospital, 29 Longtan Road, Tai'an City, Shandong Province, 271000, China
| | - Liang Tang
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University, 61 Daizong Street, Tai'an City, Shandong Province, 271018, China; Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Agricultural University, 61 Daizong Street, Tai'an City, Shandong Province, 271018, China; Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Shandong Agricultural University, 61 Daizong Street, Tai'an City, Shandong Province, 271018, China
| | - Lin Wang
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University, 61 Daizong Street, Tai'an City, Shandong Province, 271018, China; Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Agricultural University, 61 Daizong Street, Tai'an City, Shandong Province, 271018, China; Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Shandong Agricultural University, 61 Daizong Street, Tai'an City, Shandong Province, 271018, China.
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Wang R, Chen J, Ding F, Zhang L, Wu X, Wan Y, Hu J, Zhang X, Wu Q. Renal tubular injury induced by glyphosate combined with hard water: the role of cytosolic phospholipase A2. ANNALS OF TRANSLATIONAL MEDICINE 2021; 9:130. [PMID: 33569432 PMCID: PMC7867956 DOI: 10.21037/atm-20-7739] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Background The combined effects of glyphosate and hard water on chronic kidney disease of unknown etiology (CDKu) have attracted much interest, but the mechanisms remain unknown. Cytoplasmic phospholipase A2 (cPLA2) plays a key role in the acute and chronic inflammatory reactions. This study explored the effect of glyphosate combined with hard water on renal tubules and the possible targets and mechanisms involved. Methods In vivo experiments were conducted to investigate the synergistic effects and potential mechanisms of glyphosate and hard water on renal tubular injury in mice. Results Administration of glyphosate in mice resulted in elevated levels of β2-microglobulin (β2-MG), albumin (ALB), and serum creatinine (SCr) compared to control mice. This increase was more pronounce when glyphosate was combined with hard water. In the glyphosate-treated mice, small areas of the kidney revealed fibroblast proliferation and vacuolar degeneration, particularly at the higher dose of 400 mg/kg glyphosate. However, the combination of glyphosate and hard water induced an even greater degree of pathological changes in the kidney. Immunofluorescence and western blot analyses showed that glyphosate and hard water had a coordinated effect on calcium ions (Ca2+)-activated phospholipase A2 and the activation may play a key role in inflammation and renal tubular injury. Exposure to glyphosate alone or glyphosate plus hard water increased the levels of oxidative stress markers and inflammatory biomarkers, namely, thromboxane A2 (TX-A2), leukotriene B4 (LTB4), prostaglandin E2 (PGE2), nitric oxide synthase (NOS), and nitric oxide (NO). Parameters of oxidative stress, including the levels of superoxide dismutase (SOD) and glutathione peroxidase (GSH-Px) were decreased. Further analysis showed that the levels of these biomarkers were significantly different between the mice treated with glyphosate plus hard water and the mice treated with glyphosate alone. Conclusions These findings suggested that hard water combined with glyphosate can induce renal tubular injury in mice, and this may involve mitogen-activated protein kinases (MAPK)/cytosolic phospholipase A2 (cPLA2)/arachidonic acid (AA) and its downstream factors.
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Affiliation(s)
- Ruojing Wang
- School of Public Health and Key Laboratory of Public Health Safety of the Ministry of Education, Fudan University, Shanghai, China
| | - Jing Chen
- Department of Nephrology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Fan Ding
- School of Public Health and Key Laboratory of Public Health Safety of the Ministry of Education, Fudan University, Shanghai, China
| | - Lin Zhang
- School of Public Health and Key Laboratory of Public Health Safety of the Ministry of Education, Fudan University, Shanghai, China
| | - Xuan Wu
- School of Public Health and Key Laboratory of Public Health Safety of the Ministry of Education, Fudan University, Shanghai, China
| | - Yi Wan
- Laboratory for Earth Surface Processes, College of Urban and Environmental Sciences, Peking University, Beijing, China
| | - Jianying Hu
- Laboratory for Earth Surface Processes, College of Urban and Environmental Sciences, Peking University, Beijing, China
| | - Xiaoyan Zhang
- Department of Nephrology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Qing Wu
- School of Public Health and Key Laboratory of Public Health Safety of the Ministry of Education, Fudan University, Shanghai, China
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30
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Glutamate-Gated NMDA Receptors: Insights into the Function and Signaling in the Kidney. Biomolecules 2020; 10:biom10071051. [PMID: 32679780 PMCID: PMC7407907 DOI: 10.3390/biom10071051] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Revised: 07/10/2020] [Accepted: 07/13/2020] [Indexed: 12/21/2022] Open
Abstract
N-Methyl-d-aspartate receptor (NMDAR) is a glutamate-gated ionotropic receptor that intervenes in most of the excitatory synaptic transmission within the central nervous system (CNS). Aside from being broadly distributed in the CNS and having indispensable functions in the brain, NMDAR has predominant roles in many physiological and pathological processes in a wide range of non-neuronal cells and tissues. The present review outlines current knowledge and understanding of the physiological and pathophysiological functions of NMDAR in the kidney, an essential excretory and endocrine organ responsible for the whole-body homeostasis. The review also explores the recent findings regarding signaling pathways involved in NMDAR-mediated responses in the kidney. As established from diverse lines of research reviewed here, basal levels of receptor activation within the kidney are essential for the maintenance of healthy tubular and glomerular function, while a disproportionate activation can lead to a disruption of NMDAR's downstream signaling pathways and a myriad of pathophysiological consequences.
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31
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Agostini LP, Dettogni RS, Dos Reis RS, Stur E, Dos Santos EVW, Ventorim DP, Garcia FM, Cardoso RC, Graceli JB, Louro ID. Effects of glyphosate exposure on human health: Insights from epidemiological and in vitro studies. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 705:135808. [PMID: 31972943 DOI: 10.1016/j.scitotenv.2019.135808] [Citation(s) in RCA: 66] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Revised: 11/18/2019] [Accepted: 11/26/2019] [Indexed: 05/27/2023]
Abstract
Glyphosate (GLY) is a broad-spectrum, post-emergent, non-selective and synthetic universal herbicide, whose commercial formulations are referred to as glyphosate-based-herbicides (GBHs). These chemicals and their metabolites can be found in soil, air, water, as well as groundwater and food products. This review summarizes to summarize current in vitro and epidemiological studies investigating the effects of GLY exposure on human health. Recent human cell studies have reported several GLY and GBH toxicological effects and have contributed to a better understanding of the deleterious consequences associated with their exposure. However, these detrimental effects are dependent on the cell type, chemical composition, as well as magnitude and time of exposure, among other factors. Moreover, the deleterious effects of GLY exposure on human health were observed in epidemiological studies; however, most of these studies have not determined the GLY dosage to confirm a direct effect. While GLY toxicity is clear in human cells, epidemiological studies investigating individuals exposed to different levels of GLY have reported contradictory data. Therefore, based on currently available in vitro and epidemiological data, it is not possible to confirm the complete safety of GLY use, which will require additional comprehensive studies in animal models and humans.
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Affiliation(s)
- Lidiane P Agostini
- Human and Molecular Genetics Center, Department of Biological Sciences, Federal University of Espirito Santo, Vitoria, Brazil
| | - Raquel S Dettogni
- Endocrinology and Cell Toxicology Laboratory, Department of Morphology, Federal University of Espirito Santo, Vitoria, Brazil.
| | - Raquel S Dos Reis
- Human and Molecular Genetics Center, Department of Biological Sciences, Federal University of Espirito Santo, Vitoria, Brazil
| | - Elaine Stur
- Human and Molecular Genetics Center, Department of Biological Sciences, Federal University of Espirito Santo, Vitoria, Brazil
| | - Eldamária V W Dos Santos
- Human and Molecular Genetics Center, Department of Biological Sciences, Federal University of Espirito Santo, Vitoria, Brazil
| | - Diego P Ventorim
- Human and Molecular Genetics Center, Department of Biological Sciences, Federal University of Espirito Santo, Vitoria, Brazil
| | - Fernanda M Garcia
- Human and Molecular Genetics Center, Department of Biological Sciences, Federal University of Espirito Santo, Vitoria, Brazil
| | - Rodolfo C Cardoso
- Laboratory of Reproductive Neuroendocrinology, Department of Animal Science, Texas A&M University, United States of America
| | - Jones B Graceli
- Endocrinology and Cell Toxicology Laboratory, Department of Morphology, Federal University of Espirito Santo, Vitoria, Brazil
| | - Iúri D Louro
- Human and Molecular Genetics Center, Department of Biological Sciences, Federal University of Espirito Santo, Vitoria, Brazil
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32
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Song M, Zhang J, Li X, Liu Y, Wang T, Yan Z, Chen J. Effects of Xiaoyaosan on Depressive-Like Behaviors in Rats With Chronic Unpredictable Mild Stress Through HPA Axis Induced Astrocytic Activities. Front Psychiatry 2020; 11:545823. [PMID: 33192662 PMCID: PMC7606759 DOI: 10.3389/fpsyt.2020.545823] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/26/2020] [Accepted: 08/25/2020] [Indexed: 12/11/2022] Open
Abstract
ABSTRACT Astrocytes in the hippocampus are immediately relevant to depressive-like behavior. By regulating their activities, Xiaoyaosan (XYS), a traditional Chinese medicine compound, works in the treatment of depression. OBJECTIVE Chronic unpredictable mild stress (CUMS) rat model was established to observe the regulation of XYS. We investigated the behavioral changes of CUMS, the expression of corticosterone (CORT) of the hypothalamo-pituitary-adrenal (HPA) axis, the expression of Glu-NMDA receptor and astrocytes glial fibrillary acidic protein (GFAP) in the hippocampus. We also investigated whether these changes were linked to XYS. METHODS 80 adult SD rats were randomly divided into four groups, control group, CUMS group, XYS group, and fluoxetine group. The rats in the control group and the CUMS group received 0.5 ml of deionized water once a day by intragastrically administration. Rats in the two treatment groups received XYS (2.224g/kg/d) and fluoxetine (2.0mg/kg/d) once a day, respectively. Rat hippocampus GFAP and Glu-NMDA receptor were respectively detected by real-time fluorescent quantitative PCR and western blot. The CORT of HPA axis was detected by Elisa. Body weight, food intake, and behavioral tests, such as open field tests, the sucrose preference test, and exhaustive swimming test, were used to assess depressive-like behavior in rats. RESULTS In this work, significant behavioral changes and differences in expression of the CORT of HPA axis and hippocampal GFAP and Glu-NMDA receptor were presented in CUMS-exposed rats. Like fluoxetine, XYS improved CUMS-induced rat's body weight, food intake, and depressive-like behavior. The study also proved that XYS could reverse the CUMS-induced changes of the CORT of HPA axis and affect the astrocytic activities and down-regulate the NR2B subunit of NMDA receptor (NR2B) level in the hippocampus. CONCLUSION Changes in the hippocampus GFAP and Glu-NMDA receptor may be an essential mechanism of depression. Besides, XYS may be critical to the treatment of depression by intervention the HPA axis, GFAP and Glu-NMDA receptor.
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Affiliation(s)
- Ming Song
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Jianjun Zhang
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Xiaojuan Li
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China.,Formula-pattern Research Center, School of Traditional Chinese Medicine, Jinan University, Guangzhou, China
| | - Yueyun Liu
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Tingye Wang
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Zhiyi Yan
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Jiaxu Chen
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China.,Formula-pattern Research Center, School of Traditional Chinese Medicine, Jinan University, Guangzhou, China
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Abstract
Substances toxic to the kidney are legion in the modern world. The sheer number and variety, their mutual interactions and, metabolism within the body are a challenge to research. Moreover, the kidney is especially prone to injury owing to its physiology. Acute kidney injury (AKI) induced by poisonous or primarily nephrotoxic substances, may be community acquired with ingestion or inhalation or nosocomial. Many nephrotoxic plants, animal poisons, medications, chemicals and illicit drugs can induce AKI by varying pathophysiological pathways. Moreover, the epidemiology of toxic AKI varies depending on country, regions within countries, socioeconomic status and health care facilities. In this review, we have selected nephrotoxic insults due to medication, plants, animal including snake venom toxicity, environmental, (agri)chemicals and also illicit drugs. We conclude with a section on diagnosis, clinical presentation and management of poisoning accompanied by various organ dysfunction and AKI.
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Affiliation(s)
- Nadezda Petejova
- a Department of Internal Medicine , University Hospital Ostrava , Ostrava , Czech Republic.,b Department of Clinical Studies, Faculty of Medicine , University of Ostrava , Ostrava , Czech Republic.,c Department of Internal Medicine III - Nephrology, Rheumatology and Endocrinology , University Hospital and Faculty of Medicine and Dentistry, Palacky University Olomouc , Olomouc , Czech Republic
| | - Arnost Martinek
- a Department of Internal Medicine , University Hospital Ostrava , Ostrava , Czech Republic.,b Department of Clinical Studies, Faculty of Medicine , University of Ostrava , Ostrava , Czech Republic
| | - Josef Zadrazil
- c Department of Internal Medicine III - Nephrology, Rheumatology and Endocrinology , University Hospital and Faculty of Medicine and Dentistry, Palacky University Olomouc , Olomouc , Czech Republic
| | - Vladimir Teplan
- a Department of Internal Medicine , University Hospital Ostrava , Ostrava , Czech Republic.,d Department of Nephrology , Institute for Postgraduate Education Prague , Vinohrady , Czech Republic
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Gunatilake S, Seneff S, Orlando L. Glyphosate's Synergistic Toxicity in Combination with Other Factors as a Cause of Chronic Kidney Disease of Unknown Origin. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2019; 16:E2734. [PMID: 31370256 PMCID: PMC6695815 DOI: 10.3390/ijerph16152734] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Revised: 07/29/2019] [Accepted: 07/30/2019] [Indexed: 12/22/2022]
Abstract
Chronic kidney disease of unknown etiology (CKDu) is a global epidemic. Sri Lanka has experienced a doubling of the disease every 4 or 5 years since it was first identified in the North Central province in the mid-1990s. The disease primarily affects people in agricultural regions who are missing the commonly known risk factors for CKD. Sri Lanka is not alone: health workers have reported prevalence of CKDu in Mexico, Nicaragua, El Salvador, and the state of Andhra Pradesh in India. A global search for the cause of CKDu has not identified a single factor, but rather many factors that may contribute to the etiology of the disease. Some of these factors include heat stroke leading to dehydration, toxic metals such as cadmium and arsenic, fluoride, low selenium, toxigenic cyanobacteria, nutritionally deficient diet and mycotoxins from mold exposure. Furthermore, exposure to agrichemicals, particularly glyphosate and paraquat, are likely compounding factors, and may be the primary factors. Here, we argue that glyphosate in particular is working synergistically with most of the other factors to increase toxic effects. We propose, further, that glyphosate causes insidious harm through its action as an amino acid analogue of glycine, and that this interferes with natural protective mechanisms against other exposures. Glyphosate's synergistic health effects in combination with exposure to other pollutants, in particular paraquat, and physical labor in the ubiquitous high temperatures of lowland tropical regions, could result in renal damage consistent with CKDu in Sri Lanka.
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Affiliation(s)
- Sarath Gunatilake
- Health Science Department, California State University Long Beach, Long Beach, CA 90840, USA
| | - Stephanie Seneff
- Computer Science and Artificial Intelligence Laboratory, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
| | - Laura Orlando
- Environmental Health Department, Boston University School of Public Health, Boston, MA 02118, USA
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