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Aioub AAA, Abdelnour SA, Hashem AS, Maher M, Abdel-Wahab SIZ, Alkeridis LA, Shukry M, Sayed SM, Elsobki AEA. Cinnamon nanoemulsion mitigates acetamiprid-induced hepatic and renal toxicity in rats: biochemical, histopathological, immunohistochemical, and molecular docking analysis. BMC Vet Res 2024; 20:256. [PMID: 38867202 PMCID: PMC11167909 DOI: 10.1186/s12917-024-04084-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2024] [Accepted: 05/16/2024] [Indexed: 06/14/2024] Open
Abstract
Acetamiprid (ACDP) is a widely used neonicotinoid insecticide that is popular for its efficacy in controlling fleas in domestic settings and for pets. Our study aims to offer a comprehensive examination of the toxicological impacts of ACDP and the prophylactic effects of cinnamon nanoemulsions (CMNEs) on the pathological, immunohistochemical, and hematological analyses induced by taking ACDP twice a week for 28 days. Forty healthy rats were divided into four groups (n = 10) at random; the first group served as control rats; the second received CMNEs (2 mg/Kg body weight); the third group received acetamiprid (ACDP group; 21.7 mg/Kg body weight), and the fourth group was given both ACDP and CMNEs by oral gavage. Following the study period, tissue and blood samples were extracted and prepared for analysis. According to a GC-MS analysis, CMNEs had several bioactive ingredients that protected the liver from oxidative stress by upregulating antioxidant and anti-inflammatory agents. Our findings demonstrated that whereas ACDP treatment considerably boosted white blood cells (WBCs) and lymphocytes, it significantly lowered body weight gain (BWG), red blood cells (RBCs), hemoglobin (Hb), hematocrit (HCT), and platelets (PLT). ACDP notably reduced antioxidant enzyme activities: superoxide dismutase (SOD), glutathione peroxidase (GPx), and catalase (CAT) and elevated hydrogen peroxide and malondialdehyde levels compared with other groups. ACDP remarkably raised alanine aminotransferase (ALT), aspartate amino transaminase (AST), and alkaline phosphatase (ALP) levels.Moreover, the histopathological and immunohistochemistry assays discovered a severe toxic effect on the liver and kidney following ACDP delivery. Furthermore, cyclooxygenase 2 (COX-2) + immunoexpression was enhanced after treatment with CMNEs. All of the parameters above were returned to nearly normal levels by the coadministration of CMNEs. The molecular docking of cinnamaldehyde with COX-2 also confirmed the protective potential of CMNEs against ACDP toxicity. Our findings highlighted that the coadministration of CMNEs along with ACDP diminished its toxicity by cutting down oxidative stress and enhancing antioxidant capacity, demonstrating the effectiveness of CMNEs in lessening ACDP toxicity.
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Affiliation(s)
- Ahmed A A Aioub
- Plant Protection Department, Faculty of Agriculture, Zagazig University, Zagazig, 44511, Egypt.
| | - Sameh A Abdelnour
- Animal Production Department, Faculty of Agriculture, Zagazig University, Zagazig, 44511, Egypt
| | - Ahmed S Hashem
- Stored Product Pests Research Department, Plant Protection Research Institute, Agricultural Research Center, Sakha, Kafr El-Sheikh, 33717, Egypt
| | - Mohamed Maher
- Department of Biochemistry, Faculty of Agriculture, Zagazig University, Zagazig, 44511, Egypt
| | - Sarah I Z Abdel-Wahab
- Plant Protection Department, Faculty of Agriculture, Zagazig University, Zagazig, 44511, Egypt
| | - Lamya Ahmed Alkeridis
- Department of Biology, College of Science, Princess Nourah Bint Abdulrahman University, P.O. Box 84428, Riyadh, 11671, Saudi Arabia
| | - Mustafa Shukry
- Physiology Department, Faculty of Veterinary Medicine, kafrelsheikh University, kafrelsheikh, 33516, Egypt
| | - Samy M Sayed
- Department of Economic Entomology and Pesticides, Faculty of Agriculture, Cairo University, Giza, 12613, Egypt
- Department of Science and Technology, University College-Ranyah, Taif University, B.O. Box 11099, Taif, 21944, Saudi Arabia
| | - Ahmed E A Elsobki
- Plant Protection Department, Faculty of Agriculture, Zagazig University, Zagazig, 44511, Egypt
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Yaman T, Akkoyun HT, Bayramoğlu Akkoyun M, Karagözoğlu F, Melek Ş, Keleş ÖF, Bengü AŞ. Assessment of the effect of sodium tetraborate on oxidative stress, inflammation, and apoptosis in lead-induced nephrotoxicity. Drug Chem Toxicol 2024:1-13. [PMID: 38804252 DOI: 10.1080/01480545.2024.2358067] [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: 12/01/2023] [Accepted: 05/16/2024] [Indexed: 05/29/2024]
Abstract
Exposure to Pb, a toxic heavy metal, is a risk factor for renal damage. Borax, an essential trace element in cellular metabolism, is a naturally occurring compound found in many foods. This study investigated the effects of sodium tetraborate (ST), a source of borax, on renal oxidative stress and inflammation in rats exposed to Pb. Wistar Albino rats (n = 24) were divided into four groups: Control (0.5 mL, i.p. isotonic), Pb (50 mg/kg/day/i.p.), ST (4.0 mg/kg/day/oral), and Pb + ST groups. At the end of the five-day experimental period, kidney tissue samples were obtained and analyzed. Histopathologically, the Pb-induced damage observed in the Pb group improved in the Pb + ST group. Immunohistochemically, Pb administration increased the expression of inducible nitric oxide synthase, cyclooxygenase-2, and caspase-3. When evaluated biochemically, Pb application inhibited catalase and glutathione peroxidase (GSH-Px) enzyme activities and activated superoxide dismutase enzyme activity. An increase in malondialdehyde levels was considered an indicator of damage. ST application increases glutathione peroxidase enzyme activity and decreased malondialdehyde levels. These results indicate that ST might play a protective role against Pb-induced renal damage via the upregulation of renal tissue antioxidants and cyclooxygenase-2, inducible nitric oxide synthase, and caspase-3 immunoexpression.
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Affiliation(s)
- Turan Yaman
- Department of Pathology, Faculty of Veterinary Medicine, Van Yuzuncu Yil University, Van, Turkey
| | - H Turan Akkoyun
- Department of Physiology, Faculty of Veterinary Medicine, Siirt University, Siirt, Turkey
| | | | - Fatma Karagözoğlu
- Department of Animal Nutrition and Nutritional Diseases, Faculty of Veterinary Medicine, Dokuz Eylül University, İzmir, Turkey
| | - Şule Melek
- Department of Surgery, Faculty of Veterinary Medicine, Bingol Universıty, Bingöl, Turkey
| | - Ömer Faruk Keleş
- Department of Pathology, Faculty of Veterinary Medicine, Van Yuzuncu Yil University, Van, Turkey
| | - Aydın Şükrü Bengü
- Vocational School of Health Services, Bingöl University, Bingöl, Turkey
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Benchikh I, Ziani K, Gonzalez Mateos A, Khaled BM. Non-acute exposure of neonicotinoids, health risk assessment, and evidence integration: a systematic review. Crit Rev Toxicol 2024; 54:194-213. [PMID: 38470098 DOI: 10.1080/10408444.2024.2310593] [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: 06/15/2023] [Accepted: 01/18/2024] [Indexed: 03/13/2024]
Abstract
Neonicotinoid pesticides are utilized against an extensive range of insects. A growing body of evidence supports that these neuro-active insecticides are classified as toxicants in invertebrates. However, there is limited published data regarding their toxicity in vertebrates and mammals. the current systematic review is focused on the up-to-date knowledge available for several neonicotinoid pesticides and their non-acute toxicity on rodents and human physiology. Oral lethal dose 50 (LD50) of seven neonicotinoids (i.e. imidacloprid, acetamiprid, clothianidin, dinotefuran, thiamethoxam, thiacloprid, and nitenpyram) was initially identified. Subsequently, a screening of the literature was conducted to collect information about non-acute exposure to these insecticides. 99 studies were included and assessed for their risk of bias and level of evidence according to the Office of Health and Translation (OHAT) framework. All the 99 included papers indicate evidence of reproductive toxicity, hepatotoxicity, nephrotoxicity, neurotoxicity, immunotoxicity, and oxidative stress induction with a high level of evidence in the health effect of rodents and a moderate level of evidence for human health. The most studied type of these insecticides among 99 papers was imidacloprid (55 papers), followed by acetamiprid (22 papers), clothianidin (21 papers), and thiacloprid (11 papers). While 10 of 99 papers assessed the relationship between clothianidin, thiamethoxam, dinotefuran, and nitenpyram, showing evidence of liver injury, dysfunctions of oxidative stress markers in the reproductive system, and intestinal toxicity. This systematic review provides a comprehensive overview of the potential risks caused by neonicotinoid insecticides to humans and rodents with salient health effects. However, further research is needed to better emphasize and understand the patho-physiological mechanisms of these insecticides, taking into account various factors that can influence their toxicity.
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Affiliation(s)
- Imen Benchikh
- Laboratory of Applied Hydrology and Environment, Department of Biology, Faculty of Natural Sciences and Life, Belhadj Bouchaib University, Ain Témouchent, Algeria
- Laboratoire de Nutrition, Pathologie, Agro-Biotechnologie et Santé (Lab-NuPABS), Department of Biology, Faculty of Natural Sciences and Life, Djillali Liabès University, Sidi-Bel-Abbès, Algeria
| | - Kaddour Ziani
- Laboratory of Biotoxicology, Pharmacognosy and Biological Valorization of Plants, Department of Biology, University of Saida-Dr. Taher Moulay, Saida, Algeria
| | - Antonio Gonzalez Mateos
- Department of Physiology, Cell Biology and Communication Research Group, University of Extremadura, Caceres, Spain
| | - Boumediène Méghit Khaled
- Laboratoire de Nutrition, Pathologie, Agro-Biotechnologie et Santé (Lab-NuPABS), Department of Biology, Faculty of Natural Sciences and Life, Djillali Liabès University, Sidi-Bel-Abbès, Algeria
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Phogat A, Singh J, Kumar V, Malik V. Berberine mitigates acetamiprid-induced hepatotoxicity and inflammation via regulating endogenous antioxidants and NF-κB/TNF-α signaling in rats. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:87412-87423. [PMID: 37421530 DOI: 10.1007/s11356-023-28279-1] [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: 10/18/2022] [Accepted: 06/12/2023] [Indexed: 07/10/2023]
Abstract
Acetamiprid is a neonicotinoid insecticide used on a large scale and has been reported for oxidative stress-mediated toxicity and physiological alterations in mammals. The plant-derived natural antioxidant berberine (BBR) possesses protective potential against inflammation, structural changes, and cellular toxicity. The current study aimed to investigate the toxic effects of acetamiprid exposure and the antioxidative and anti-inflammatory efficacy of BBR in rat liver tissue. The results showed that intragastric exposure of acetamiprid (21.7 mg/kg b.wt, i.e., 1/10 of LD50) for 21 days significantly elicited oxidative stress as evidenced by lipid peroxidation, protein oxidation, and depletion of endogenous antioxidants. Furthermore, acetamiprid exposure elevated NF-κB, TNF-α, IL-1β, IL-6, and IL-12 expression and caused structural alterations in liver tissue. Biochemical results showed that 2-h pre-treatment of BBR (150 mg/kg b.wt; 21 days) reduced damage to lipids and proteins, replenished GSH, enhanced SOD and catalase activities, and offered antioxidative effects against acetamiprid toxicity. Also, BBR suppressed inflammation by regulating NF-κB/TNF-α signaling in hepatic tissue of acetamiprid-intoxicated rats. Histopathological examination confirmed the hepatoprotective effects of BBR. Our findings indicate that BBR might be a potential ameliorative agent against oxidative stress-mediated hepatotoxicity.
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Affiliation(s)
- Annu Phogat
- Department of Zoology, Maharshi Dayanand University, Rohtak, 124001, Haryana, India
| | - Jagjeet Singh
- Department of Zoology, Maharshi Dayanand University, Rohtak, 124001, Haryana, India
| | - Vijay Kumar
- Department of Biochemistry, Maharshi Dayanand University, Rohtak, 124001, Haryana, India
| | - Vinay Malik
- Department of Zoology, Maharshi Dayanand University, Rohtak, 124001, Haryana, India.
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Gür FM, Bilgiç S. Silymarin, an antioxidant flavonoid, protects the liver from the toxicity of the anticancer drug paclitaxel. Tissue Cell 2023; 83:102158. [PMID: 37459721 DOI: 10.1016/j.tice.2023.102158] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 07/04/2023] [Accepted: 07/05/2023] [Indexed: 07/28/2023]
Abstract
One of the biggest factors that negatively affect the cancer treatment plan is the toxic effects of chemotherapeutics on non-target cells and tissues. This information prompted us to investigate the protective effects of silymarin (SL), a hepatoprotective agent, against the hepatotoxic effects of the anticancer drug paclitaxel (PAC). Four groups were formed from 28 rats as control, PAC (2 mg/kg), SL (100 mg/kg) and PAC + SL (combination of PAC with SL). After completing the experimental procedures, the tissues collected after anesthesia were analyzed by Western blot, qRT-PCR, biochemical, stereological, immunohistochemical, and histopathological techniques. Administration of PAC significantly increased the expression of tumor necrosis factor-alpha (TNF-α), Bax, cytochrome-c (cyt-c), and active caspase-3, as well as malondialdehyde (MDA) levels in liver tissue and decreased glutathione (GSH) levels compared with the control group. PAC also resulted in a significant increase in serum triglyceride (TG), cholesterol (CH), alanine aminotransferase (ALT) and aspartate aminotransferase (AST) levels compared with the control group. Pathological changes such as microvesicular steatosis, the formation of Councilman bodies, an increase in total sinusoidal volume, and a decrease in the total number of hepatocytes were observed in the liver tissue of the PAC group. Almost all analysis results in the PAC + SL group were similar to those in the control group, and no significant pathological alterations were observed in this group. The data obtained show that SL protects the liver from the harmful effects of PAC, especially thanks to its TNF-α suppressor, anti-inflammatory, anti-apoptotic and antioxidant effects. Based on this result, in cases where PAC is used in cancer treatment, it can be recommended to be used together with SL to prevent harmful effects on healthy liver tissue and to continue treatment uninterruptedly and effectively.
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Affiliation(s)
- Fatih Mehmet Gür
- Department of Histology and Embryology, Faculty of Medicine, Niğde Ömer Halisdemir University, Niğde, Turkey.
| | - Sedat Bilgiç
- Department of Medical Biochemistry, Vocational School of Health Services, Adıyaman University, Adıyaman, Turkey.
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Pastori M, Stella K, Allan W, Siida R, Mpumbya JR, Solomon AM, Okumu D, Swase DT, Kimanje KR, Eliah K, Erick Nyakundi O, Boaz N. Mechanistic role of epigallocatechin-3-gallate in regulation of the antioxidant markers in ethanol induced liver damage in mice. ALEXANDRIA JOURNAL OF MEDICINE 2022. [DOI: 10.1080/20905068.2022.2132604] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
Affiliation(s)
- Mujinya Pastori
- Department of Biochemistry, Faculty of Biomedical Sciences, Kampala International University-Western Campus, Busheny, Uganda
| | - Kembambazi Stella
- Department of Biochemistry, Faculty of Biomedical Sciences, Kampala International University-Western Campus, Busheny, Uganda
| | - Wandera Allan
- Department of Biochemistry, Faculty of Biomedical Sciences, Kampala International University-Western Campus, Busheny, Uganda
| | - Robert Siida
- Department of Biochemistry, Faculty of Biomedical Sciences, Kampala International University-Western Campus, Busheny, Uganda
| | - Jackie Rachael Mpumbya
- Department of Biochemistry, Faculty of Biomedical Sciences, Kampala International University-Western Campus, Busheny, Uganda
| | - Adomi Mbina Solomon
- Department of Biochemistry, Faculty of Biomedical Sciences, Kampala International University-Western Campus, Busheny, Uganda
| | - Daniel Okumu
- Department of Biochemistry, Faculty of Biomedical Sciences, Kampala International University-Western Campus, Busheny, Uganda
| | - Dominic Terkimbi Swase
- Department of Biochemistry, Faculty of Biomedical Sciences, Kampala International University-Western Campus, Busheny, Uganda
| | - Kyobe Ronald Kimanje
- Department of Biochemistry, Faculty of Biomedical Sciences, Kampala International University-Western Campus, Busheny, Uganda
| | - Kwizera Eliah
- Department of Biochemistry, Faculty of Biomedical Sciences, Kampala International University-Western Campus, Busheny, Uganda
| | - Ondari Erick Nyakundi
- Department of Biochemistry, Faculty of Biomedical Sciences, Kampala International University-Western Campus, Busheny, Uganda
- Department of Biological Sciences, School of Pure and Applied Sciences, Kisii University, Kisii, Kenya
| | - Niwamanya Boaz
- Department of Biochemistry, Faculty of Biomedical Sciences, Kampala International University-Western Campus, Busheny, Uganda
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Aktaş İ, Yahyazadeh A. Protective potential of misoprostol against kidney alteration via alleviating oxidative stress in rat following exposure to paclitaxel. Tissue Cell 2022; 79:101966. [DOI: 10.1016/j.tice.2022.101966] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2022] [Revised: 10/25/2022] [Accepted: 10/29/2022] [Indexed: 11/06/2022]
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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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Xiao J, Cheng P, Ma P, Wu Y, Feng F, Miao Y, Deng Q. Toxicological effects of traffic-related air pollution on the lungs: Evidence, biomarkers and intervention. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 238:113570. [PMID: 35512471 DOI: 10.1016/j.ecoenv.2022.113570] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Revised: 04/13/2022] [Accepted: 04/25/2022] [Indexed: 06/14/2023]
Abstract
BACKGROUND Numerous epidemiological studies have recently observed that exposure to traffic-related air pollution (TRAP) is associated with increased risk of various respiratory diseases. Major gaps in knowledge remain regarding the toxicological effects. OBJECTIVES We examined the toxicological effects of the gasoline exhaust particles (GEP), a paradigm of TRAP, in rats, with an objective to provide the evidence, obtain the biomarkers, and suggest effective intervention measure. METHODS We measured the airway hyperresponsiveness (AHR), inflammatory cells in the bronchoalveolar lavage (BAL) fluid, histological changes in the lung tissues, and the biomarkers so as to systematically examine the toxicological effects of GEPs at different dose levels (0.5, 2.5, 5 mg/kg BW). The intervention of vitamin E (VE), a natural antioxidant, on the toxicological effects was investigated. RESULTS The lung injury caused by GEP exposure was first indicated by the airway hyperresponsiveness (AHR). Compared with the control group, GEP exposure significantly increased the airway resistances and decreased the lung compliance; the higher the dose of GEP, the more serious the lung injury. Lung injury was also revealed by the increase of inflammatory cells, including the lymphocytes and neutrophils, in the BAL fluid. With the increase of GEP dose, histological changes in the lung tissues were further observed: inflammatory cell infiltration increased and alveolar wall thickened. The toxicology of GEP was demonstrated by the increase of the biomarkers of the oxidative stress, the pro-inflammatory cytokines and the apoptosis cytokine. However, administration of VE was found to be effective in restoring airway injury. CONCLUSION The toxicological effects of traffic-related air pollution (TRAP) on rat lungs are supported by evidence and biomarkers, and vitamin E intervention is feasible.
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Affiliation(s)
- Jiani Xiao
- XiangYa School of Public Health, Central South University, Changsha 410078, China
| | - Ping Cheng
- XiangYa School of Public Health, Central South University, Changsha 410078, China; Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou 310051, China
| | - Ping Ma
- Xianning Medical College, Hubei University of Science and Technology, Xianning 437100, China
| | - Yang Wu
- Xianning Medical College, Hubei University of Science and Technology, Xianning 437100, China
| | - Feifei Feng
- School of Public Health, Zhengzhou University, Zhengzhou 450001, China
| | - Yufeng Miao
- School of Energy Science and Engineering, Central South University, Changsha 430081, China.
| | - Qihong Deng
- School of Public Health, Zhengzhou University, Zhengzhou 450001, China.
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Laubscher B, Diezi M, Renella R, Mitchell EAD, Aebi A, Mulot M, Glauser G. Multiple neonicotinoids in children's cerebro-spinal fluid, plasma, and urine. Environ Health 2022; 21:10. [PMID: 35016674 PMCID: PMC8750865 DOI: 10.1186/s12940-021-00821-z] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Accepted: 12/20/2021] [Indexed: 05/05/2023]
Abstract
BACKGROUND Neonicotinoids (NN) are selective neurotoxic pesticides that bind to insect but also mammal nicotinic acetycholine receptors (nAChRs). As the most widely used class of insecticides worldwide, they are ubiquitously found in the environment, wildlife, and foods, and thus of special concern for their impacts on the environment and human health. nAChRs are vital to proper brain organization during the prenatal period and play important roles in various motor, emotional, and cognitive functions. Little is known on children's contamination by NN. In a pilot study we tested the hypothesis that children's cerebro-spinal fluid (CSF) can be contaminated by NN. METHODS NN were analysed in leftover CSF, blood, and urine samples from children treated for leukaemias and lymphomas and undergoing therapeutic lumbar punctions. We monitored all neonicotinoids approved on the global market and some of their most common metabolites by ultra-high performance liquid chromatography-tandem mass spectrometry. RESULTS From August to December 2020, 14 children were consecutively included in the study. Median age was 8 years (range 3-18). All CSF and plasma samples were positive for at least one NN. Nine (64%) CSF samples and 13 (93%) plasma samples contained more than one NN. Thirteen (93%) CSF samples had N-desmethyl-acetamiprid (median concentration 0.0123, range 0.0024-0.1068 ng/mL), the major metabolite of acetamiprid. All but one urine samples were positive for ≥ one NN. A statistically significant linear relationship was found between plasma/urine and CSF N-desmethyl-acetamiprid concentrations. CONCLUSIONS We have developed a reliable analytical method that revealed multiple NN and/or their metabolites in children's CSF, plasma, and urine. Our data suggest that contamination by multiple NN is not only an environmental hazard for non-target insects such as bees but also potentially for children.
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Affiliation(s)
- Bernard Laubscher
- Departments of Paediatrics, Réseau Hospitalier Neuchâtelois, Neuchâtel, and Lausanne University Hospital and Lausanne University, Lausanne, Switzerland.
| | - Manuel Diezi
- Department of Paediatrics, Lausanne University Hospital and Lausanne University, Lausanne, Switzerland
| | - Raffaele Renella
- Department of Paediatrics, Lausanne University Hospital and Lausanne University, Lausanne, Switzerland
| | | | - Alexandre Aebi
- Institutes of Biology and Anthropology, University of Neuchâtel, Neuchâtel, Switzerland
| | - Matthieu Mulot
- Institute of Biology, University of Neuchâtel, Neuchâtel, Switzerland
| | - Gaëtan Glauser
- Neuchâtel Platform of Analytical Chemistry, University of Neuchâtel, Neuchâtel, Switzerland
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Baysal M, Atlı-Eklioğlu Ö. Comparison of the toxicity of pure compounds and commercial formulations of imidacloprid and acetamiprid on HT-29 cells: Single and mixture exposure. Food Chem Toxicol 2021; 155:112430. [PMID: 34289392 DOI: 10.1016/j.fct.2021.112430] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Revised: 06/28/2021] [Accepted: 07/17/2021] [Indexed: 01/06/2023]
Abstract
Neonicotinoids, which are widely used worldwide, including in Turkey, are an insecticide group that are synthetic derivatives of nicotine. Recently, they have attracted attention due to their toxic effects on non-target organisms, especially bees. Numerous studies have shown that neonicotinoids have been found in detectable levels in the environment and cause various undesirable effects on living organisms, including humans and other mammals. In this study, the possible toxic effects of imidacloprid and acetamiprid, commonly used neonicotinoids, are investigated by their pure forms and commercial formulations on HT-29 cells with individual and combined exposures. According to our results, imidacloprid and acetamiprid induced cytotoxicity by caspase-mediated apoptosis, mitochondrial membrane depolarization, DNA damage, and oxidative stress under these experimental conditions. It is worth mentioning low doses of DNA damage, mixture exposure causes toxic effects at lower concentrations than individual exposure, and formulation groups are at the forefront of toxicity formation, though this varies depending on the parameters.
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Affiliation(s)
- Merve Baysal
- Department of Pharmaceutical Toxicology, Faculty of Pharmacy, Anadolu University, 26470, Eskisehir, Turkey
| | - Özlem Atlı-Eklioğlu
- Department of Pharmaceutical Toxicology, Faculty of Pharmacy, Anadolu University, 26470, Eskisehir, Turkey.
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Antioxidant Barrier and Oxidative Damage to Proteins, Lipids, and DNA/RNA in Adrenal Tumor Patients. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:5543531. [PMID: 34239688 PMCID: PMC8241500 DOI: 10.1155/2021/5543531] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Revised: 04/25/2021] [Accepted: 05/21/2021] [Indexed: 02/08/2023]
Abstract
This study is the first to assess redox balance, glutathione metabolism, and oxidative damage to RNA/DNA, proteins, and lipids in the plasma/serum and urine of patients with adrenal masses. The study included 70 patients with adrenal tumors divided into three subgroups: incidentaloma (n = 30), pheochromocytoma (n = 20), and Cushing's/Conn's adenoma (n = 20), as well as 60 healthy controls. Blood and urine samples were collected before elective endoscopic adrenalectomy. Antioxidant defense capacity was significantly decreased (serum/plasma: superoxide dismutase (SOD), catalase (CAT) and reduced glutathione (GSH), uric acid (UA); urine: SOD, GSH, UA) in patients with adrenal masses. The oxidative damage to proteins (advanced glycation end products (AGE), advanced oxidation protein products (AOPP)) and lipids (lipid hydroperoxides (LOOH), and malondialdehyde (MDA)) was higher in the plasma and urine of these patients. Plasma MDA and DNA/RNA oxidation products, with high sensitivity and specificity, can help to diagnose pheochromocytoma. This biomarker differentiates patients with pheochromocytoma from Cushing's/Conn's adenoma as well as from heathy controls. Plasma RNA/DNA oxidation was also positively correlated with urine metanephrine. Oxidative stress can play a crucial role in adrenal tumors. However, further studies are required to clarify the role of redox signaling in adrenal masses.
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