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Soliman MM, Alotaibi KS, Albattal SB, Althobaiti S, Al-Harthi HF, Mehmood A. Ameliorative impacts of astaxanthin against atrazine-induced renal toxicity through the modulation of ionic homeostasis and Nrf2 signaling pathways in mice. Toxicol Res (Camb) 2024; 13:tfae071. [PMID: 38720817 PMCID: PMC11074709 DOI: 10.1093/toxres/tfae071] [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: 01/16/2024] [Revised: 04/29/2024] [Accepted: 05/01/2024] [Indexed: 05/12/2024] Open
Abstract
Astaxanthin (ASX), a red pigment belonging to carotenoids, has antioxidant activity and anti-oxidative stress effect. Atrazine (ATZ), a frequently used herbicide, whose degradation products are the cause for nephrosis and other oxidative stress associated diseases. This study was aimed to reveal the potential protective mechanism of astaxanthin against atrazine-induced nephrosis. Atrazine was orally given (250 mg/kg bw) to the mice along with astaxanthin (100 mg/kg bw) for 28 days. Serum biochemical indicators, oxidative stress biomarkers, ATPase activities, ion concentration, histomorphology, and various renal genes expression linked with apoptosis, Nrf2 signaling pathway, and aquaporins (AQPs) were assessed. It was found that serum creatinine (SCr), blood urea nitrogen (BUN), and MDA levels were significantly increased after the treatment of atrazine, whereas serum renal oxidative stress indicators like CAT, GSH, T-AOC, SOD decreased. Renal histopathology showed that atrazine significantly damaged renal tissues. The activities of Ca 2+-Mg 2+-ATPase were increased whereas Na +-K +-ATPase decreased significantly (P < 0.05). Moreover, results confirmed that the expression of AQPs, Nrf2, and apoptosis genes were also altered after atrazine administration. Interestingly, astaxanthin supplementation significantly (P < 0.05) improved atrazine-induced nephrotoxicity via decreasing SCr, BUN, oxidative stress, ionic homeostasis and reversing the changes in AQPs, Nrf2, and apoptosis gene expression. These findings collectively suggested that astaxanthin has strong potential ameliorative impact against atrazine induced nephrotoxicity.
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Affiliation(s)
- Mohamed Mohamed Soliman
- Department of Clinical Laboratory Sciences, Turabah University College, Turabah, Taif University, Taif 21995, Saudi Arabia
| | - Khalid S Alotaibi
- General Science and English Language Department, College of Applied Sciences, AlMaarefa University, Riyadh 71666, Saudi Arabia
| | - Shatha B Albattal
- General Science and English Language Department, College of Applied Sciences, AlMaarefa University, Riyadh 71666, Saudi Arabia
| | - Saed Althobaiti
- Department of Biology, Turabah University College, Turabah, Taif University, Taif 21995, Saudi Arabia
| | - Helal F Al-Harthi
- Department of Biology, Turabah University College, Turabah, Taif University, Taif 21995, Saudi Arabia
| | - Arshad Mehmood
- School of Food and Biological Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang, Jiangsu 212013, China
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2
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Yi BJ, Wang CC, Li XW, Xu YR, Ma XY, Jian PA, Talukder M, Li XN, Li JL. Lycopene Protects against Atrazine-Induced Kidney STING-Dependent PANoptosis through Stabilizing mtDNA via Interaction with Sam50/PHB1. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024. [PMID: 38820047 DOI: 10.1021/acs.jafc.4c02820] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2024]
Abstract
Atrazine (ATR) is a widely used herbicide worldwide that can cause kidney damage in humans and animals by accumulation in water and soil. Lycopene (LYC), a carotenoid with numerous biological activities, plays an important role in kidney protection due to its potent antioxidant and anti-inflammatory effects. The current study sought to investigate the role of interactions between mtDNA and the cGAS-STING signaling pathway in LYC mitigating PANoptosis and inflammation in kidneys induced by ATR exposure. In our research, 350 mice were orally administered LYC (5 mg/kg BW/day) and ATR (50 or 200 mg/kg BW/day) for 21 days. Our results reveal that ATR exposure induces a decrease in mtDNA stability, resulting in the release of mtDNA into the cytoplasm through the mPTP pore and the BAX pore and the mobilization of the cGAS-STING pathway, thereby inducing renal PANoptosis and inflammation. LYC can inhibit the above changes caused by ATR. In conclusion, LYC inhibited ATR exposure-induced histopathological changes, renal PANoptosis, and inflammation by inhibiting the cGAS-STING pathway. Our results demonstrate the positive role of LYC in ATR-induced renal injury and provide a new therapeutic target for treating renal diseases in the clinic.
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Affiliation(s)
- Bao-Jin Yi
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, P. R. China
| | - Chi-Chiu Wang
- Department of Obstetrics & Gynaecology; Li Ka Shing Institute of Health Sciences; School of Biomedical Sciences; and The Chinese University of Hong Kong-Sichuan University Joint Laboratory for Reproductive Medicine, The Chinese University of Hong Kong, Hong Kong, China
| | - Xiao-Wei Li
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, P. R. China
| | - Ya-Ru Xu
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, P. R. China
| | - Xiang-Yu Ma
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, P. R. China
| | - Ping-An Jian
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, P. R. China
| | - Milton Talukder
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, P. R. China
- Department of Physiology and Pharmacology, Faculty of Animal Science and Veterinary Medicine, Patuakhali Science and Technology University, Barishal 8210, Bangladesh
| | - Xue-Nan Li
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, P. R. China
- Department of Obstetrics & Gynaecology; Li Ka Shing Institute of Health Sciences; School of Biomedical Sciences; and The Chinese University of Hong Kong-Sichuan University Joint Laboratory for Reproductive Medicine, The Chinese University of Hong Kong, Hong Kong, China
- Key Laboratory of the Provincial Education Department of Heilongjiang for Common Animal Disease Prevention and Treatment, Northeast Agricultural University, Harbin 150030, P. R. China
- Heilongjiang Key Laboratory for Laboratory Animals and Comparative Medicine, Northeast Agricultural University, Harbin 150030, P. R. China
| | - Jin-Long Li
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, P. R. China
- Key Laboratory of the Provincial Education Department of Heilongjiang for Common Animal Disease Prevention and Treatment, Northeast Agricultural University, Harbin 150030, P. R. China
- Heilongjiang Key Laboratory for Laboratory Animals and Comparative Medicine, Northeast Agricultural University, Harbin 150030, P. R. China
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3
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Mazuryk J, Klepacka K, Kutner W, Sharma PS. Glyphosate: Hepatotoxicity, Nephrotoxicity, Hemotoxicity, Carcinogenicity, and Clinical Cases of Endocrine, Reproductive, Cardiovascular, and Pulmonary System Intoxication. ACS Pharmacol Transl Sci 2024; 7:1205-1236. [PMID: 38751624 PMCID: PMC11092036 DOI: 10.1021/acsptsci.4c00046] [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: 01/30/2024] [Revised: 03/19/2024] [Accepted: 03/21/2024] [Indexed: 05/18/2024]
Abstract
Glyphosate (GLP) is an active agent of GLP-based herbicides (GBHs), i.e., broad-spectrum and postemergent weedkillers, commercialized by Monsanto as, e.g., Roundup and RangerPro formulants. The GBH crop spraying, dedicated to genetically engineered GLP-resistant crops, has revolutionized modern agriculture by increasing the production yield. However, abusively administered GBHs' ingredients, e.g., GLP, polyoxyethyleneamine, and heavy metals, have polluted environmental and industrial areas far beyond farmlands, causing global contamination and life-threatening risk, which has led to the recent local bans of GBH use. Moreover, preclinical and clinical reports have demonstrated harmful impacts of GLP and other GBH ingredients on the gut microbiome, gastrointestinal tract, liver, kidney, and endocrine, as well as reproductive, and cardiopulmonary systems, whereas carcinogenicity of these herbicides remains controversial. Occupational exposure to GBH dysregulates the hypothalamic-pituitary-adrenal axis, responsible for steroidogenesis and endocrinal secretion, thus affecting hormonal homeostasis, functions of reproductive organs, and fertility. On the other hand, acute intoxication with GBH, characterized by dehydration, oliguria, paralytic ileus, as well as hypovolemic and cardiogenic shock, pulmonary edema, hyperkalemia, and metabolic acidosis, may occur fatally. As no antidote has been developed for GBH poisoning so far, the detoxification is mainly symptomatic and supportive and requires intensive care based on gastric lavage, extracorporeal blood filtering, and intravenous lipid emulsion infusion. The current review comprehensively discusses the molecular and physiological basics of the GLP- and/or GBH-induced diseases of the endocrine and reproductive systems, and cardiopulmonary-, nephro-, and hepatotoxicities, presented in recent preclinical studies and case reports on the accidental or intentional ingestions with the most popular GBHs. Finally, they briefly describe modern and future healthcare methods and tools for GLP detection, determination, and detoxification. Future electronically powered, decision-making, and user-friendly devices targeting major GLP/GBH's modes of actions, i.e., dysbiosis and the inhibition of AChE, shall enable self-handled or point-of-care professional-assisted evaluation of the harm followed with rapid capturing GBH xenobiotics in the body and precise determining the GBH pathology-associated biomarkers levels.
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Affiliation(s)
- Jarosław Mazuryk
- Department
of Electrode Processes, Institute of Physical Chemistry, Polish Academy of Sciences, 01-224 Warsaw, Poland
- Bio
& Soft Matter, Institute of Condensed Matter and Nanosciences, Université catholique de Louvain, 1 Place Louis Pasteur, 1348 Louvain-la-Neuve, Belgium
| | - Katarzyna Klepacka
- ENSEMBLE sp. z o. o., 01-919 Warsaw, Poland
- Faculty
of Mathematics and Natural Sciences. School of Sciences, Cardinal Stefan Wyszynski University in Warsaw, 01-938 Warsaw, Poland
| | - Włodzimierz Kutner
- Department
of Electrode Processes, Institute of Physical Chemistry, Polish Academy of Sciences, 01-224 Warsaw, Poland
- Faculty
of Mathematics and Natural Sciences. School of Sciences, Cardinal Stefan Wyszynski University in Warsaw, 01-938 Warsaw, Poland
| | - Piyush Sindhu Sharma
- Functional
Polymers Research Team, Institute of Physical Chemistry, Polish Academy of Sciences, 01-224 Warsaw, Poland
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Holliday MW, Majeti RN, Sheikh-Hamad D. Chronic Interstitial Nephritis in Agricultural Communities: Observational and Mechanistic Evidence Supporting the Role of Nephrotoxic Agrochemicals. Clin J Am Soc Nephrol 2024; 19:538-545. [PMID: 37678249 PMCID: PMC11020436 DOI: 10.2215/cjn.0000000000000312] [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: 04/24/2023] [Accepted: 08/31/2023] [Indexed: 09/09/2023]
Abstract
Chronic interstitial nephritis in agricultural communities (CINAC) is an epidemic of kidney disease affecting specific tropical and subtropical regions worldwide and is characterized by progressive CKD in the absence of traditional risk factors, such as hypertension and diabetes. CINAC prevalence is higher among young, male agricultural workers, but it also affects women, children, and nonagricultural workers in affected areas. Biopsies from patients with CINAC across regions commonly demonstrate tubular injury with lysosomal aggregates, tubulointerstitial inflammation, and fibrosis and variable glomerular changes. Each endemic area holds environmental risk factors and patient/genetic milieus, resulting in uncertainty about the cause(s) of the disease. Currently, there is no specific treatment available for CINAC. We highlight survey findings of Houston-based migrant workers with CINAC and draw similarities between kidney injury phenotype of patients with CINAC and mice treated chronically with paraquat, an herbicide used worldwide. We propose potential pathways and mechanisms for kidney injury in patients with CINAC, which may offer clues for potential therapies.
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Affiliation(s)
- Michael W. Holliday
- Michael E. DeBakey VA Medical Center and Baylor College of Medicine, Houston, Texas
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5
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Chen D, Parks CG, Beane Freeman LE, Hofmann JN, Sinha R, Madrigal JM, Ward MH, Sandler DP. Ingested nitrate and nitrite and end-stage renal disease in licensed pesticide applicators and spouses in the Agricultural Health Study. JOURNAL OF EXPOSURE SCIENCE & ENVIRONMENTAL EPIDEMIOLOGY 2024; 34:322-332. [PMID: 38191926 PMCID: PMC11142909 DOI: 10.1038/s41370-023-00625-y] [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: 07/12/2023] [Revised: 11/22/2023] [Accepted: 11/28/2023] [Indexed: 01/10/2024]
Abstract
BACKGROUND Nitrate and nitrite ingestion has been linked to kidney cancer, possibly via the endogenous formation of carcinogenic N-nitroso compounds. These exposures might also contribute to end-stage renal disease (ESRD). OBJECTIVES We investigated associations of drinking water nitrate and dietary nitrate and nitrite intakes (total and by food type) with incident ESRD in the Agricultural Health Study. We also explored modifying effects of vitamin C and heme iron intake, which may affect endogenous nitrosation. METHODS We performed complete case analyses among private pesticide applicators and their spouses. We obtained water nitrate estimates for participants whose primary drinking water source at enrollment (1993-1997) was public water supplies (PWS) or private wells (N = 59,632). Average nitrate concentrations were computed from historical data for PWS users and predicted from random forest models for private well users. Analysis of dietary nitrate and nitrite was restricted to the 30,177 participants who completed the NCI Dietary History Questionnaire during follow-up (1999-2003). Incident ESRD through 2018 was ascertained through linkage with the U.S. Renal Data System. We estimated adjusted hazard ratios (HRs) and 95%CI for associations of tertiles (T) of exposure with ESRD overall and explored effects in strata of vitamin C and heme iron intake. RESULTS We identified 469 incident ESRD cases (206 for dietary analysis). Water nitrate and total dietary nitrate/nitrite were not associated with ESRD, but increased ESRD was associated with nitrate and nitrite from processed meats. We found apparent associations between nitrite and ESRD only among participants with vitamin C SIGNIFICANCE ESRD incidence was associated with dietary nitrate/nitrite from processed meat among all study participants and with total dietary nitrite among participants with lower vitamin C or higher heme iron intake. IMPACT STATEMENT There are few well-established environmental risk factors for end-stage renal disease (ESRD), a worldwide public health challenge. Ingestion of nitrate and nitrite, which may lead to endogenous formation of carcinogenic N-nitroso compounds, has been linked to some cancers and chronic diseases. We investigated these exposures in relation to ESRD in an agricultural cohort. ESRD incidence was associated with dietary nitrate/nitrite from processed meat and with total dietary nitrite among subgroups with lower vitamin C or higher heme iron intake. This study provides preliminary evidence that points to dietary nitrite and possibly dietary nitrate intake as a potential contributor to ESRD.
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Affiliation(s)
- Dazhe Chen
- Epidemiology Branch, National Institute of Environmental Health Sciences, NIH, Research Triangle Park, NC, USA
| | - Christine G Parks
- Epidemiology Branch, National Institute of Environmental Health Sciences, NIH, Research Triangle Park, NC, USA
| | - Laura E Beane Freeman
- Occupational and Environmental Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, NIH, Rockville, MD, USA
| | - Jonathan N Hofmann
- Occupational and Environmental Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, NIH, Rockville, MD, USA
| | - Rashmi Sinha
- Metabolic Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, NIH, Rockville, MD, USA
| | - Jessica M Madrigal
- Occupational and Environmental Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, NIH, Rockville, MD, USA
| | - Mary H Ward
- Occupational and Environmental Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, NIH, Rockville, MD, USA
| | - Dale P Sandler
- Epidemiology Branch, National Institute of Environmental Health Sciences, NIH, Research Triangle Park, NC, USA.
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6
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Ramya Ranjan Nayak SP, Boopathi S, Haridevamuthu B, Arockiaraj J. Toxic ties: Unraveling the complex relationship between endocrine disrupting chemicals and chronic kidney disease. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 338:122686. [PMID: 37802289 DOI: 10.1016/j.envpol.2023.122686] [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: 08/18/2023] [Revised: 10/01/2023] [Accepted: 10/02/2023] [Indexed: 10/08/2023]
Abstract
Environmental pollution is inherently linked to several metabolic diseases and high mortality. The kidney is more susceptible to environmental pollutants compared to other organs as it is involved in concentrating and filtering most of these toxins. Few epidemiological studies revealed the intrinsic relationship between exposure to Endocrine Disrupting Chemicals (EDCs) and CKD development. Though EDCs have the potential to cause severe pathologies, the specific molecular mechanisms by which they accelerate the progression of CKD remain elusive. In particular, our understanding of how pollutants affect the progression of chronic kidney disease (CKD) through the gut-kidney axis is currently limited. EDCs modulate the composition and function of the gut microbial community and favor the colonization of harmful gut pathogens. This alteration leads to an overproduction of uremic toxin and membrane vesicles. These vesicles carry several inflammatory molecules that exacerbate inflammation and renal tissue damage and aggravate the progression of CKD. Several experimental studies have revealed potential pathways by which uremic toxin further aggravates CKD. These include the induction of membrane vesicle production in host cells, which can trigger inflammatory pathways and insulin resistance. Reciprocally, CKD can also modulate gut bacterial composition that might further aggravate CKD condition. Thus, EDCs pose a significant threat to kidney health and the global CKD burden. Understanding this complicated issue necessitates multidisciplinary initiatives such as strict environmental controls, public awareness, and the development of novel therapeutic strategies targeting EDCs.
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Affiliation(s)
- S P Ramya Ranjan Nayak
- Department of Biotechnology, Faculty of Science and Humanities, SRM Institute of Science and Technology, Kattankulathur, 603203, Chengalpattu District, Tamil Nadu, India
| | - Seenivasan Boopathi
- Department of Biotechnology, Faculty of Science and Humanities, SRM Institute of Science and Technology, Kattankulathur, 603203, Chengalpattu District, Tamil Nadu, India
| | - B Haridevamuthu
- Department of Biotechnology, Faculty of Science and Humanities, SRM Institute of Science and Technology, Kattankulathur, 603203, Chengalpattu District, Tamil Nadu, India
| | - Jesu Arockiaraj
- Department of Biotechnology, Faculty of Science and Humanities, SRM Institute of Science and Technology, Kattankulathur, 603203, Chengalpattu District, Tamil Nadu, India.
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7
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Arab A, Mostafalou S. Pesticides and insulin resistance-related metabolic diseases: Evidences and mechanisms. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2023; 195:105521. [PMID: 37666627 DOI: 10.1016/j.pestbp.2023.105521] [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: 05/12/2023] [Revised: 07/01/2023] [Accepted: 07/05/2023] [Indexed: 09/06/2023]
Abstract
The use of pesticides in the past century has lot helped humankind in improving crops' field and general hygiene level. Nevertheless, there has been countless evidences on the toxic effects of pesticides on the living systems. The link of exposure to pesticides with different human chronic diseases in the context of carcinogenicity, neurotoxicity, developmental toxicity, etc., have been evaluated in various types of studies. There are also some evidences on the link of exposure to pesticides with higher incidence of metabolic diseases associated with insulin resistance like diabetes, obesity, metabolic syndrome, hypertension, polycystic ovary syndrome and chronic kidney diseases. Physiologically, weakening intracellular insulin signaling is considered as a compensatory mechanism for cells to cope with cellular stresses like xenobiotic effects, oxidative stress and inflammatory responses, but it can pathologically lead to a defective cycle with lowered sensitivity of the cells to insulin which happens in metabolic disorders. In this work, the data related to metabolic toxicity of pesticides categorized in the mentioned metabolic diseases with a focus on the effects of pesticides on insulin signaling pathway and the mechanisms of development of insulin resistance will be systematically reviewed and presented.
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Affiliation(s)
- Ali Arab
- Department of Pharmacology and Toxicology, School of Pharmacy, Ardabil University of Medical Sciences, Ardabil, Iran
| | - Sara Mostafalou
- Department of Pharmacology and Toxicology, School of Pharmacy, Ardabil University of Medical Sciences, Ardabil, Iran.
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8
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Ramezanifar S, Azimian A, Khadiv E, Naziri SH, Gharari N, Fazlzadeh M. Para-occupational exposure to chemical substances: a systematic review. REVIEWS ON ENVIRONMENTAL HEALTH 2023:reveh-2023-0019. [PMID: 37525484 DOI: 10.1515/reveh-2023-0019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Accepted: 06/18/2023] [Indexed: 08/02/2023]
Abstract
Today, many health problems related to work have overshadowed workers and their families. In the meantime, chemicals are among the risk factors that have created many problems due to para-occupational exposure. In para-occupational exposures, family members are exposed to work pollutants transferred to the home environment. This study was conducted to investigate para-occupational exposure to chemicals. To conduct this systematic review, databases such as "Web of Science", "Google Scholar", "Scopus", and "SID" were used. Relevant articles in these databases were extracted by searching keywords such as "take-home exposure", "para-occupational exposure", and "chemicals" from 2000 to 2022. To extract the required data, all parts of the articles were reviewed following the Preferred Reporting Items for Systematic reviews and Meta-Analyses (PRISMA 2020). Among the 44 identified articles, 23 were selected as final articles, of which 10 were related to agriculture workers and their families, and 13 were related to other occupations. These studies mainly investigated para-occupational exposure to pesticides (14 studies) and metals (four studies). Also, contaminated work clothes, the washing place of contaminated clothes, and storage of working clothes, equipment, and chemicals were proposed as the main routes of contamination transmission. As a result of these para-occupational exposures, problems like neuro-behavioral disorders in children, end-stage renal disease, black gingival borders, and autism spectrum disorder were created or aggravated. Limiting the transmission routes and taking measures such as training and providing facilities like devoting places for washing and storing clothes in the workplaces can decrease this type of exposure.
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Affiliation(s)
- Soleiman Ramezanifar
- Department of Occupational Health and Safety Engineering, School of Public Health and Safety, Shahid Behest University of Medical Sciences, Tehran, Iran
| | - Afsane Azimian
- Department of Occupational Health and Safety Engineering, School of Public Health and Safety, Shahid Behest University of Medical Sciences, Tehran, Iran
| | - Elahe Khadiv
- Department of Occupational Health and Safety Engineering, School of Public Health and Safety, Shahid Behest University of Medical Sciences, Tehran, Iran
| | - Seyed Husein Naziri
- Department of Occupational Health and Safety Engineering, School of Public Health and Safety, Shahid Behest University of Medical Sciences, Tehran, Iran
| | - Noradin Gharari
- Lung Diseases Research Center, Ardabil University of Medical Sciences, Ardabil, Iran
- Department of Occupational Health, School of Health, Ardabil University of Medical Sciences, Ardabil, Iran
| | - Mehdi Fazlzadeh
- Lung Diseases Research Center, Ardabil University of Medical Sciences, Ardabil, Iran
- Social Determinants of Health Research Center, Ardabil University of Medical Sciences, Tehran, Iran
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9
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Cisneros-García DL, Sandoval-Pinto E, Cremades R, Ramírez-de-Arellano A, García-Gutiérrez M, Martínez-de-Pinillos-Valverde R, Sierra-Díaz E. Non-traditional risk factors of progression of chronic kidney disease in adult population: a scoping review. Front Med (Lausanne) 2023; 10:1193984. [PMID: 37332753 PMCID: PMC10272583 DOI: 10.3389/fmed.2023.1193984] [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: 03/26/2023] [Accepted: 05/16/2023] [Indexed: 06/20/2023] Open
Abstract
Chronic kidney disease (CKD) has become a public health concern over the last several years. Nowadays developed countries spend around 3% of their annual health-care budget on patients with CKD. According to the scientific community the most remarkable risk factors for CKD are diabetes and hypertension. Unknown CKD etiology has been reported as a global phenomenon including uncommon risk factors such as: dehydration, leptospirosis, heat stress, water quality, and others. This study aims to report non-traditional risk factors for ESRD based on a scoping review methodology. The scoping review methodology described by Arksey and O'Malley was used by performing an extensive review of the information. A total of 46 manuscripts were reviewed. The non-traditional ESRD risk factors are depicted based on six categories. Gender and ethnicity have been considered as risk factors for ESRD. Erythematous systemic lupus (ESL) is reported as an important risk factor for ESRD. Pesticide use has been an significant risk factor due to its effects on human and environmental health. Some compounds commonly used in homes against insects and plants are related to ESRD. Congenital and hereditary diseases in the urinary tract have been studied as a cause of ESRD in children and young adults. End-stage renal disease is a major concern for public health on a global level. As it can be seen, non-traditional risk factors are several and have different etiologies. It is necessary to put the issue on the table and add it to the public agenda in order to find multidisciplinary solutions.
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Affiliation(s)
- Diana Lorena Cisneros-García
- Departamento de Salud Pública, Centro Universitario en Ciencias de la Salud, Universidad de Guadalajara, Guadalajara, Jalisco, Mexico
| | - Elena Sandoval-Pinto
- Departamento de Biología Celular y Molecular, Centro Universitario de Ciencias Biológico Agropecuarias, Universidad de Guadalajara, Guadalajara, Jalisco, Mexico
| | - Rosa Cremades
- Departamento de Microbiología y Parasitología, Centro Universitario en Ciencias de la Salud, Universidad de Guadalajara, Guadalajara, Jalisco, Mexico
| | - Adrián Ramírez-de-Arellano
- Instituto de Investigación en Ciencias Biomédicas, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara, Mexico
| | - Mariana García-Gutiérrez
- Centro Metropolitano de Atención de la Diabetes Tipo 1, Secretaría de Salud Jalisco, Guadalajara, Jalisco, Mexico
| | | | - Erick Sierra-Díaz
- Departamentos de Clínicas Quirúrgicas y Salud Pública, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara, Mexico
- División de Epidemiología, UMAE Hospital de Especialidades Centro Médico Nacional de Occidente del IMSS, Guadalajara, Mexico
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10
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Kshirsagar AV, Zeitler EM, Weaver A, Franceschini N, Engel LS. Environmental Exposures and Kidney Disease. KIDNEY360 2022; 3:2174-2182. [PMID: 36591345 PMCID: PMC9802544 DOI: 10.34067/kid.0007962021] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Accepted: 10/04/2022] [Indexed: 12/31/2022]
Abstract
Accumulating evidence underscores the large role played by the environment in the health of communities and individuals. We review the currently known contribution of environmental exposures and pollutants on kidney disease and its associated morbidity. We review air pollutants, such as particulate matter; water pollutants, such as trace elements, per- and polyfluoroalkyl substances, and pesticides; and extreme weather events and natural disasters. We also discuss gaps in the evidence that presently relies heavily on observational studies and animal models, and propose using recently developed analytic methods to help bridge the gaps. With the expected increase in the intensity and frequency of many environmental exposures in the decades to come, an improved understanding of their potential effect on kidney disease is crucial to mitigate potential morbidity and mortality.
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Affiliation(s)
- Abhijit V. Kshirsagar
- UNC Kidney Center and Division of Nephrology and Hypertension, University of North Carolina, Chapel Hill, North Carolina
| | - Evan M. Zeitler
- UNC Kidney Center and Division of Nephrology and Hypertension, University of North Carolina, Chapel Hill, North Carolina
| | - Anne Weaver
- Center for Public Health and Environmental Assessment, Office of Research and Development, United States Environmental Protection Agency, Chapel Hill, North Carolina
| | - Nora Franceschini
- Department of Epidemiology, Gillings School of Global Public Health, University of North Carolina, Chapel Hill, North Carolina
| | - Lawrence S. Engel
- Department of Epidemiology, Gillings School of Global Public Health, University of North Carolina, Chapel Hill, North Carolina
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11
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McGwin G, Griffin RL. An ecological study regarding the association between paraquat exposure and end stage renal disease. Environ Health 2022; 21:127. [PMID: 36503540 PMCID: PMC9743741 DOI: 10.1186/s12940-022-00946-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Accepted: 12/01/2022] [Indexed: 05/09/2023]
Abstract
BACKGROUND Persons who experience paraquat poisoning rapidly develop damage to a variety of organ systems including acute kidney injury (AKI), the occurrence of which is associated with an increased risk of death. However, little is known about the effects of chronic paraquat exposure on renal function and the onset of chronic renal disease. The objective of the current study is to assess the association between paraquat exposure and the incidence of end stage renal disease (ESRD) in the United States. METHODS Data on the incidence of ESRD for the period 2010 through 2017 and kilograms of paraquat use per square mile for each county in the conterminous United States was obtained from the United States Renal Data System (USRDS) and the National Water Quality Assessment (NAWQA) Program, respectively. Negative binomial regression was used to estimate rate ratios (RRs) and 95% confidence intervals (CIs) for the association between quartiles of paraquat exposure and the incidence of ESRD. RESULTS The incidence of ESRD increased with increasing paraquat density. Based on a 20-year exposure lag, those in the highest paraquat density quartile had a 21% higher rate of ESRD compared to the lowest quartile whereas for a 15-year lag the increase was 26%. Adjusted associations were attenuated though still followed an increasing linear trend across quintiles. CONCLUSIONS The results of this study are consistent with a large number of studies documenting a high incidence of AKI and a small number of studies chronic renal disease following acute and chronic paraquat exposure, respectively. While the pathophysiological mechanisms underlying kidney injury following paraquat poisoning are well understood, more research is necessary to understand the natural history of chronic kidney disease due to chronic paraquat exposure.
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Affiliation(s)
- Gerald McGwin
- Department of Epidemiology, School of Public Health, University of Alabama at Birmingham, 700 South 18th Street, Suite 609, Birmingham, AL, 35294-0009, USA.
| | - Russell L Griffin
- Department of Epidemiology, School of Public Health, University of Alabama at Birmingham, 700 South 18th Street, Suite 609, Birmingham, AL, 35294-0009, USA
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12
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Zago AM, Faria NMX, Fávero JL, Meucci RD, Woskie S, Fassa AG. Pesticide exposure and risk of cardiovascular disease: A systematic review. Glob Public Health 2022; 17:3944-3966. [PMID: 32816635 DOI: 10.1080/17441692.2020.1808693] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The increase in pesticide consumption has a negative health impact. Studies point to an association between exposure to pesticides and cardiovascular disease (CVD), one of the leading causes of world mortality. This review synthesize evidence on the association between occupational exposure and environmental contamination by pesticides with CVDs from 1750 references databases (EBSCO, Medline, Science Direct, Scielo, Lilacs and Ovid) without date or language restriction. Selected 24 articles by PRISMA and Downs & Black methodologies, were included from inclusion criteria: original studies (case-control, cohort or cross-sectional design); clear CVD definition and exposure to pesticides; representative sample of the target population. The results show the occupational exposure to pesticides chlorpyrifos, coumafos, carbofuran, ethylene bromide, mancozeb, ziram, metalaxyl, pendimethalin and trifluralin was associated a risk of 1.8 to 3.2 for acute myocardial infarction. Primaphos, fenitrothion, malathion and deltamethrin pesticides were associated with a blood pressure increase. Environmental contamination by tetrachlorodibenzo-p-dioxin was associated with CVD with risk of 1.09 to 2.78 and organochlorine, 1.19 to 4.54; heavy metals, arsenic, trimethylarsine and dimethylarsinic acid with atherosclerosis and systemic arterial hypertension. These findings point to the association between exposure to pesticides and CVD, signaling the importance of greater rigor in the public policy related to pesticides.
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Affiliation(s)
- Adriana M Zago
- Department of Social Medicine, Federal University of Pelotas, Pelotas, Brazil.,Department of Social Medicine, Federal University of Espírito Santo, Espírito Santo, Brazil.,Department of Work Environment, University of Massachusetts Lowell, Lowell, MA, USA.,Municipal Health Department, Vitória, Brazil
| | - Neice M X Faria
- Municipal Health Department - Epidemiology Service, Bento Gonçalves, Brazil.,Cenecista Faculty, Bento Gonçalves, Brazil
| | - Juliana L Fávero
- Department of Social Medicine, Federal University of Pelotas, Pelotas, Brazil.,Department of Social Medicine, Federal University of Espírito Santo, Espírito Santo, Brazil
| | - Rodrigo D Meucci
- Postgraduate Program in Public Health, Federal University of Rio Grande, Rio Grande, Brazil
| | - Susan Woskie
- Department of Work Environment, University of Massachusetts Lowell, Lowell, MA, USA
| | - Anaclaudia G Fassa
- Department of Social Medicine, Postgraduate Program in Epidemiology, Federal University of Pelotas, Pelotas, Brazil
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13
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Holliday MW, Li Q, Bustamante EG, Niu J, Huang L, Espina IM, Dominguez JR, Truong L, Murray KO, Fan L, Anumudu SJ, Shah M, Fischer RS, Vangala C, Mandayam S, Perez J, Pan JS, Ali S, Awan AA, Sheikh-Hamad D. Potential Mechanisms Involved in Chronic Kidney Disease of Unclear Etiology. Clin J Am Soc Nephrol 2022; 17:1293-1304. [PMID: 35944911 PMCID: PMC9625092 DOI: 10.2215/cjn.16831221] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Accepted: 06/15/2022] [Indexed: 01/27/2023]
Abstract
BACKGROUND AND OBJECTIVES The etiology of chronic kidney disease of unclear etiology, also known as Mesoamerican nephropathy, remains unclear. We investigated potential etiologies for Mesoamerican nephropathy in an immigrant dialysis population. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS Migrants with Mesoamerican nephropathy kidney failure (n=52) were identified by exclusion of known causes of kidney disease and compared using a cross-sectional survey with demographically similar patients with kidney failure from other causes (n=63) and age/sex/place of origin-matched healthy participants (n=16). Survey results were extended to the bench; C57BL/6 mice (n=73) received 10-15 weekly intraperitoneal injections of paraquat (a reactive oxygen species-generating herbicide) or vehicle. Kidney function, histology, and expression of organic cation transporter-2 (proximal tubule entry for paraquat) and multidrug and toxin extrusion 1 (extrusion pathway) were examined. Kidney biopsies from Nicaraguan patients with acute Mesoamerican nephropathy were stained for the above transporters and compared with patients with tubulointerstitial nephritis and without Mesoamerican nephropathy. RESULTS Patients with Mesoamerican nephropathy and kidney failure were young agricultural workers, almost exclusively men; the majority were from Mexico and El Salvador; and they had prior exposures to agrochemicals, including paraquat (27%). After adjustment for age/sex, exposure to any agrochemical or paraquat was associated with Mesoamerican nephropathy kidney failure (odds ratio, 4.86; 95% confidence interval, 1.82 to 12.96; P=0.002 and odds ratio, 12.25; 95% confidence interval, 1.51 to 99.36; P=0.02, respectively). Adjusted for age/sex and other covariates, 1 year of agrochemical exposure was associated with Mesoamerican nephropathy kidney failure (odds ratio, 1.23; 95% confidence interval, 1.04 to 1.44; P=0.02). Compared with 16 matched healthy controls, Mesoamerican nephropathy kidney failure was significantly associated with exposure to paraquat and agrochemicals. Paraquat-treated male mice developed kidney failure and tubulointerstitial nephritis consistent with Mesoamerican nephropathy. Organic cation transporter-2 expression was higher in male kidneys versus female kidneys. Paraquat treatment increased organic cation transporter-2 expression and decreased multidrug and toxin extrusion 1 expression in male kidneys; similar results were observed in the kidneys of Nicaraguan patients with Mesoamerican nephropathy. CONCLUSIONS Exposure to agrochemicals is associated with Mesoamerican nephropathy, and chronic exposure of mice to paraquat, a prototypical oxidant, induced kidney failure similar to Mesoamerican nephropathy.
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Affiliation(s)
- Michael W. Holliday
- The Selzman Institute for Kidney Health and Section of Nephrology, Department of Medicine, Baylor College of Medicine, Houston, Texas
- Center for Translational Research on Inflammatory Diseases, Houston, Texas
| | - Qingtian Li
- The Selzman Institute for Kidney Health and Section of Nephrology, Department of Medicine, Baylor College of Medicine, Houston, Texas
| | | | - Jingbo Niu
- The Selzman Institute for Kidney Health and Section of Nephrology, Department of Medicine, Baylor College of Medicine, Houston, Texas
| | - Luping Huang
- The Selzman Institute for Kidney Health and Section of Nephrology, Department of Medicine, Baylor College of Medicine, Houston, Texas
| | - Ilse M. Espina
- The Selzman Institute for Kidney Health and Section of Nephrology, Department of Medicine, Baylor College of Medicine, Houston, Texas
| | - Jose R. Dominguez
- The Selzman Institute for Kidney Health and Section of Nephrology, Department of Medicine, Baylor College of Medicine, Houston, Texas
| | - Luan Truong
- Department of Pathology and Genomic Medicine, Houston Methodist Hospital and Weill Cornell Medical College, Houston, Texas
| | - Kristy O. Murray
- School of Tropical Medicine and Department of Pediatrics, Baylor College of Medicine, Houston, Texas
| | - Lei Fan
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, Hubei Province, People's Republic of China
| | - Samaya J. Anumudu
- The Selzman Institute for Kidney Health and Section of Nephrology, Department of Medicine, Baylor College of Medicine, Houston, Texas
| | - Maulin Shah
- The Selzman Institute for Kidney Health and Section of Nephrology, Department of Medicine, Baylor College of Medicine, Houston, Texas
| | - Rebecca S.B. Fischer
- Department of Epidemiology and Biostatistics, School of Public Health, Texas A&M University, Houston, Texas
| | - Chandan Vangala
- The Selzman Institute for Kidney Health and Section of Nephrology, Department of Medicine, Baylor College of Medicine, Houston, Texas
| | - Sreedhar Mandayam
- Section of Nephrology, Division of Internal Medicine, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Jose Perez
- The Selzman Institute for Kidney Health and Section of Nephrology, Department of Medicine, Baylor College of Medicine, Houston, Texas
| | - Jenny S. Pan
- The Selzman Institute for Kidney Health and Section of Nephrology, Department of Medicine, Baylor College of Medicine, Houston, Texas
| | - Sehrish Ali
- The Selzman Institute for Kidney Health and Section of Nephrology, Department of Medicine, Baylor College of Medicine, Houston, Texas
| | - Ahmed A. Awan
- The Selzman Institute for Kidney Health and Section of Nephrology, Department of Medicine, Baylor College of Medicine, Houston, Texas
| | - David Sheikh-Hamad
- The Selzman Institute for Kidney Health and Section of Nephrology, Department of Medicine, Baylor College of Medicine, Houston, Texas
- Center for Translational Research on Inflammatory Diseases, Houston, Texas
- Department of Nutrition, Harris Health System, Houston, Texas
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14
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Meyer A, Santos ASE, Asmus CIRF, Camara VM, Costa AJL, Sandler DP, Parks CG. Acute Kidney Failure among Brazilian Agricultural Workers: A Death-Certificate Case-Control Study. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19116519. [PMID: 35682102 PMCID: PMC9179952 DOI: 10.3390/ijerph19116519] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Revised: 04/04/2022] [Accepted: 04/07/2022] [Indexed: 02/01/2023]
Abstract
Recent evidence suggests that pesticides may play a role in chronic kidney disease. However, little is known about associations with acute kidney failure (AKF). We investigated trends in AKF and pesticide expenditures and associations with agricultural work in two Brazilian regions with intense use of pesticides, in the south and midwest. Using death certificate data, we investigated trends in AKF mortality (1980–2014). We used joinpoint regression to calculate annual percent changes in AKF mortality rates by urban/rural status and, in rural municipalities, by tertiles of per capita pesticide expenditures. We then compared AKF mortality in farmers and population controls from 2006 to 2014 using logistic regression to estimate odds ratios and 95% confidence intervals adjusted by age, sex, region, education, and race. AKF mortality increased in both regions regardless of urban/rural status; trends were steeper from the mid-1990s to 2000s, and in rural municipalities, they were higher by tertiles of pesticide expenditures. Agricultural workers were more likely to die from AKF than from other causes, especially at younger ages, among females, and in the southern municipalities. We observed increasing AKF mortality in rural areas with greater pesticide expenditures and an association of AKF mortality with agricultural work, especially among younger workers.
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Affiliation(s)
- Armando Meyer
- Occupational and Environmental Health Branch, Public Health Institute, Federal University of Rio de Janeiro, Rio de Janeiro 21941-598, Brazil; (A.S.E.S.); (V.M.C.)
- Correspondence: ; Tel.: +55-21973732000
| | - Aline Souza Espindola Santos
- Occupational and Environmental Health Branch, Public Health Institute, Federal University of Rio de Janeiro, Rio de Janeiro 21941-598, Brazil; (A.S.E.S.); (V.M.C.)
| | | | - Volney Magalhaes Camara
- Occupational and Environmental Health Branch, Public Health Institute, Federal University of Rio de Janeiro, Rio de Janeiro 21941-598, Brazil; (A.S.E.S.); (V.M.C.)
| | - Antônio José Leal Costa
- Epidemiology and Biostatistics Branch, Public Health Institute, Federal University of Rio de Janeiro, Rio de Janeiro 21941-598, Brazil;
| | - Dale P. Sandler
- Epidemiology Branch, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, NC 27709, USA; (D.P.S.); (C.G.P.)
| | - Christine Gibson Parks
- Epidemiology Branch, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, NC 27709, USA; (D.P.S.); (C.G.P.)
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15
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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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16
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He M, Wu Y, Xie Z, Li Z, Hao L, Liu G, He Q, Liao Y, Ghappar R, Peng H, Xie J, Wei X, Zhang Y, Huang Q, Chen Y, Liang X. Epidemiology of hospitalizations due to pesticide intoxication-associated acute kidney injury in China. Int Urol Nephrol 2022; 54:377-383. [PMID: 34003429 PMCID: PMC8782793 DOI: 10.1007/s11255-021-02885-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Accepted: 05/08/2021] [Indexed: 02/05/2023]
Abstract
BACKGROUND There is a paucity of epidemiological data regarding pesticide intoxication-associated acute kidney injury (AKI). Therefore, the aim of this study was to identify the epidemiological features, risk factors, and adverse outcomes of AKI in this population. METHODS The data used in this multi-center, hospitalized population-based, retrospective study were retrieved from electronic medical records. AKI was defined as an acute increase in serum creatinine according to the criteria of Kidney Disease: Improving Global Outcomes. The Charlson Comorbidity Index was used to evaluate the burden of in-hospital mortality. RESULTS Of 3,371 adult patients in 11 hospitals, 398 (11.8%) were diagnosed with AKI (grade 1, 218 [6.5%]; grade 2, 89 [2.6%]; grade 3, 91 [2.7%]). Herbicide intoxication was associated with the highest incidence of AKI (53.5%) and higher grades of AKI. After multivariable adjustment, pesticide categories and moderate or severe renal disease were independently associated with AKI. As compared with the referred category, insecticide and herbicide intoxications were associated with a 1.3-fold (95% CI 1.688-3.245) and 3.8-fold (95% CI 3.537-6.586) greater risk of AKI. Regardless of the pesticide category, AKI was independently associated with in-hospital mortality, with odds ratios of 3.433 (95% CI 1.436-8.203) for insecticides, 2.153 (95% CI 1.377-3.367) for herbicides, and 4.524 (95% CI 1.230-16.632) for unclassified or other pesticides. CONCLUSION AKI is common in pesticide intoxication and associated with an increased in-hospital mortality. Herbicides pose the greatest risks of AKI and death.
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Affiliation(s)
- Min He
- The Second School of Clinical Medicine, Southern Medical University, Guangzhou, 510515, China
- Division of Nephrology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, 106 Zhongshan Road 2, Guangzhou, 510080, China
- Division of Nephrology, Yue Bei People's Hospital Affiliated to Shantou University Medical College, Shaoguan, 512026, China
| | - Yanhua Wu
- Division of Nephrology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, 106 Zhongshan Road 2, Guangzhou, 510080, China
- Guangdong Provincial Geriatrics Institute, Guangzhou, 510080, China
| | - Zhen Xie
- Department of Dermatology, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, 610072, China
| | - Zhilian Li
- The Second School of Clinical Medicine, Southern Medical University, Guangzhou, 510515, China
- Division of Nephrology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, 106 Zhongshan Road 2, Guangzhou, 510080, China
| | - Li Hao
- Department of Nephrology, Second Hospital of Anhui Medical University, Hefei, 230601, China
| | - Guohui Liu
- Department of Nephrology, Dongguan People's Hospital, Dongguan, 523018, China
| | - Qiang He
- Department of Nephrology, Zhejiang Provincial People's Hospital (People's Hospital of Hangzhou Medical College), Hangzhou, 310014, China
| | - Yuanjiang Liao
- Department of Nephrology, Chongqing Ninth People's Hospital, Chongqing, 400700, China
| | - Rizwangul Ghappar
- Department of Nephrology, First People's Hospital of Kashgar, Kashgar, 844000, China
| | - Hongwei Peng
- Department of Nephrology, People's Hospital of Wanning, The First Affiliated Hospital of Chongqing Medical University, Wanning, 571500, China
| | - Jinglie Xie
- Department of Nephrology, Lufeng People's Hospital, Shanwei, 516500, China
| | - Xiaohong Wei
- Department of Nephrology, Chongzuo People's Hospital, Chongzuo, 844000, China
| | - Yusheng Zhang
- Second Division of Internal Medicine, Wuhua People's Hospital, Meizhou, 514400, China
| | - Qiongyi Huang
- The Second School of Clinical Medicine, Southern Medical University, Guangzhou, 510515, China
| | - Yuanhan Chen
- The Second School of Clinical Medicine, Southern Medical University, Guangzhou, 510515, China.
- Division of Nephrology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, 106 Zhongshan Road 2, Guangzhou, 510080, China.
| | - Xinling Liang
- The Second School of Clinical Medicine, Southern Medical University, Guangzhou, 510515, China.
- Division of Nephrology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, 106 Zhongshan Road 2, Guangzhou, 510080, China.
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17
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Wu H, Chen J, Yang Y, Yu W, Chen Y, Lin P, Liang K. Smartphone-coupled three-layered paper-based microfluidic chips demonstrating stereoscopic capillary-driven fluid transport towards colorimetric detection of pesticides. Anal Bioanal Chem 2022; 414:1759-1772. [DOI: 10.1007/s00216-021-03839-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Revised: 12/02/2021] [Accepted: 12/07/2021] [Indexed: 11/01/2022]
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Afata TN, Mekonen S, Shekelifa M, Tucho GT. Prevalence of Pesticide Use and Occupational Exposure Among Small-Scale Farmers in Western Ethiopia. ENVIRONMENTAL HEALTH INSIGHTS 2022; 16:11786302211072950. [PMID: 35095275 PMCID: PMC8793388 DOI: 10.1177/11786302211072950] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/17/2021] [Accepted: 12/16/2021] [Indexed: 06/14/2023]
Abstract
OBJECTIVE This study aims to assess the prevalence of pesticide use and its occupational exposure among small-scale farmers in the Kellem Wellega Zone of western Ethiopia. METHODS A cross-sectional study design using a structured questionnaire was used to collect data from 249 small-scale farmers' households through face-to-face interviews. Statistical analysis such as descriptive statistics, Chi-square test, and binary logistic regression analysis was applied, and a P-value <.05 at 95% CI was considered statistically significant. RESULTS The prevalence of pesticide use was 87.15%. About 44.2%, 40.2%, and 43.8% of the study participants were classified as having poor knowledge, poor practice, and negative attitude toward pesticide use, respectively. Thus, small-scale farmers whose age was greater than 40 years were 7.87 times more likely to be exposed to skin irritation than those whose age was less than 20 years (AOR = 7.87; 95% CI: 1.75-35.45) and skin contact (AOR = 0.37; 95% CI: 0.15-0.91). Most farmers who were directly involved in agriculture were 2.22 times more likely to be exposed to the inhalation of pesticide chemicals than those involved in another activity (AOR = 2.22; 95% CI: 1.14-4.33). Based on educational level, small-scale farmers who have a primary school and above were 81% less likely to inhale pesticide chemicals than those who did not have formal education (AOR = 0.19; 95% CI: 0.09-0.41). Furthermore, low-income small-scale farmers were 2.62 times more likely to be exposed to coughing (AOR = 2.62; 95% CI: 1.25-5.51) than high-income participants. Furthermore, farmers with good knowledge were 1.79 times more likely to be exposed to skin irritation than those with poor knowledge (AOR = 1.79; 95% CI: 1.0-3.17). Farmers with poor practice were 1.85 times more likely to show coughing symptoms than those with good practice (AOR = 1.85; 95% CI: 1.08-3.2), and farmers with good practice were 48% less likely to be exposed to headache than those with poor practice (AOR = 0.52; 95% CI: 0.31-0.88). CONCLUSIONS This study shows that small-scale farmers were exposed to pesticides through coughing, headache, skin irritation, inhalation, and skin contact. Low level of knowledge, poor practice, job, low income, older age, and educational level.
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Affiliation(s)
- Tariku Neme Afata
- Department of Environmental Health Science and Technology, Jimma University, Jimma, Ethiopia
- Dambi Dollo Teachers College, Oromia Region, Ethiopia
| | - Seblework Mekonen
- Department of Environmental Health Science and Technology, Jimma University, Jimma, Ethiopia
| | - Miftahe Shekelifa
- Department of Environmental Health Science and Technology, Jimma University, Jimma, Ethiopia
| | - Gudina Terefe Tucho
- Department of Environmental Health Science and Technology, Jimma University, Jimma, Ethiopia
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19
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Jacobson MH, Wu Y, Liu M, Kannan K, Li AJ, Robinson M, Warady BA, Furth S, Trachtman H, Trasande L. Organophosphate pesticides and progression of chronic kidney disease among children: A prospective cohort study. ENVIRONMENT INTERNATIONAL 2021; 155:106597. [PMID: 33951537 PMCID: PMC8292180 DOI: 10.1016/j.envint.2021.106597] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Revised: 04/13/2021] [Accepted: 04/21/2021] [Indexed: 05/03/2023]
Abstract
BACKGROUND Growing evidence suggests that exposure to environmental chemicals, such as pesticides, impacts renal function and chronic kidney disease (CKD). However, it is not clear if pesticides may affect CKD progression and no studies exist in children. OBJECTIVES The objective of this study was to examine associations between serially measured urinary OP pesticide metabolites and clinical and laboratory measures of kidney function over time among children with CKD. METHODS This study used data on 618 participants enrolled in the CKD in Children study (CKiD), a cohort study of pediatric CKD patients from the US and Canada. Children were followed over an average of 3.0 years (standard deviation (SD) = 1.6) between 2005 and 2015. In serially collected urine samples over time, six nonspecific dialkyl phosphate (DAP) metabolites of OP pesticides were measured. Biomarkers of tubular injury (kidney injury molecule-1 (KIM-1) and neutrophil gelatinase-associated lipocalin (NGAL)) and oxidant stress (8-hydroxy-2'-deoxyguanosine (8-OHdG) and F2-isoprostane) were determined in the same specimens. Estimated glomerular filtration rate (eGFR), proteinuria, and blood pressure were assessed annually. RESULTS DAPs were associated with increased KIM-1 and 8-OHdG throughout follow-up. A standard deviation increase in ∑diethyl metabolites was associated with increases of 11.9% (95% Confidence Interval (CI): 4.8%, 19.4%) and 13.2% (95% CI: 9.3%, 17.2%) in KIM-1 and 8-OHdG over time, respectively. DAPs were associated with lower eGFR at baseline and higher eGFR over subsequent years. CONCLUSIONS These findings provide preliminary evidence suggesting that urinary DAP metabolites are associated with subclinical kidney injury among children with CKD, which may signal the potential for clinical events to manifest in the future. The results from this study are significant from both a clinical and public health perspective, given that OP pesticide exposure is a modifiable risk factor.
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Affiliation(s)
- Melanie H Jacobson
- Department of Pediatrics, Division of Environmental Pediatrics, NYU Langone Medical Center, New York, NY, USA.
| | - Yinxiang Wu
- Department of Population Health, NYU Langone Medical Center, New York, NY, USA
| | - Mengling Liu
- Department of Pediatrics, Division of Environmental Pediatrics, NYU Langone Medical Center, New York, NY, USA; Department of Environmental Medicine, NYU Langone Medical Center, New York, NY
| | - Kurunthachalam Kannan
- Department of Pediatrics, Division of Environmental Pediatrics, NYU Langone Medical Center, New York, NY, USA
| | - Adela Jing Li
- Department of Pediatrics, Division of Environmental Pediatrics, NYU Langone Medical Center, New York, NY, USA
| | - Morgan Robinson
- Department of Pediatrics, Division of Environmental Pediatrics, NYU Langone Medical Center, New York, NY, USA
| | - Bradley A Warady
- Division of Nephrology, Department of Pediatrics, Children's Mercy Kansas City, Kansas City, MO, USA
| | - Susan Furth
- Division of Nephrology, Department of Pediatrics, Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - Howard Trachtman
- Department of Pediatrics, Division of Nephrology, NYU Langone Medical Center, New York, NY, USA
| | - Leonardo Trasande
- Department of Pediatrics, Division of Environmental Pediatrics, NYU Langone Medical Center, New York, NY, USA; Department of Population Health, NYU Langone Medical Center, New York, NY, USA; Department of Environmental Medicine, NYU Langone Medical Center, New York, NY; NYU Wagner School of Public Service, New York, NY, USA; NYU College of Global Public Health, New York, NY, USA
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Whose Jurisdiction Is Home Contamination? Para-Occupational 'Take-Home' Herbicide Residue Exposure Risks among Forestry Workers' Families in South Africa. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph181910341. [PMID: 34639641 PMCID: PMC8507814 DOI: 10.3390/ijerph181910341] [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: 08/25/2021] [Revised: 09/27/2021] [Accepted: 09/28/2021] [Indexed: 11/29/2022]
Abstract
Para-occupational “take-home” exposure risks among forestry workers and their families in low-and middle-income countries (LMICs) have not been well characterized. This is a concern because research shows an association between chronic low-dose herbicide exposure and adverse health effects. This study explored take-home herbicide residue exposure risks among forestry workers in the Western Cape, South Africa, through the community-based participatory research approach of photovoice. A key finding of the study was the absence of provisions related to take-home exposure in the national legislation and workplace policies, which largely contributed to poor adherence to risk reduction practices at worksites, in addition to workers transporting residues to their homes. This study demonstrated evidence of the key omissions regarding take-home exposure at the policy level (e.g., recommendations for employers to reduce take-home risks among employees, and training of workers and their families on take-home exposure) and take-home herbicide residue exposure among worker’s families, including children.
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Oerlemans A, Figueiredo DM, Mol JGJ, Nijssen R, Anzion RBM, van Dael MFP, Duyzer J, Roeleveld N, Russel FGM, Vermeulen RCH, Scheepers PTJ. Personal exposure assessment of pesticides in residents: The association between hand wipes and urinary biomarkers. ENVIRONMENTAL RESEARCH 2021; 199:111282. [PMID: 34015296 DOI: 10.1016/j.envres.2021.111282] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2020] [Revised: 05/01/2021] [Accepted: 05/02/2021] [Indexed: 05/27/2023]
Abstract
BACKGROUND Residential exposure to pesticides may occur via inhalation of airborne pesticides, direct skin contacts with pesticide-contaminated surfaces, and consumption of food containing pesticide residues. The aim was to study the association of dermal exposure to pesticides between the use and non-use periods, between farmer and non-farmer families and between dermal exposure and the excretion of metabolites from urine in residents living close to treated agricultural fields. METHODS In total, 112 hand wipes and 206 spot urine samples were collected from 16 farmer and 38 non-farmer participants living within 50 m from an agricultural field in the Netherlands. The study took place from May 2016 to December 2017 during the use as well as the non-use periods of pesticides. Hand wipes were analysed for the parent compound and urines samples for the corresponding urinary metabolite of five applied pesticides: asulam, carbendazim (applied as thiophanate-methyl), chlorpropham, prochloraz and tebuconazole. Questionnaire data was used to study potential determinants of occurrence and levels of pesticides in hand wipes according to univariate and multivariate analysis. RESULTS Carbendazim and tebuconazole concentrations in hand wipes were statistically significantly higher in the pesticide-use period compared to the non-use period. In addition, especially during the use periods, concentrations were statistically significantly higher in farmer families compared to non-farmer families. For asulam, chlorpropham and prochloraz, the frequency of non-detects was too high (57-85%) to be included in this analysis. The carbendazim contents in urine samples and hand wipes were correlated on the first and second day after taking the hand wipe, whereas chlorpropham was only observed to be related on the second day following the spray event. CONCLUSIONS Concentrations in hand wipes were overall higher in pesticide use periods compared to non-use periods and higher in farmer families compared to non-farmer families. Only for carbendazim a strong correlation between concentrations in hand wipes and its main metabolite in urine was observed, indicating dermal exposure via contaminated indoor surfaces. We expect this to be related to the lower vapour pressure and longer environmental lifetime of carbendazim compared to the other pesticides studies.
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Affiliation(s)
- A Oerlemans
- Department for Health Evidence, Radboud Institute for Health Sciences, Radboud University Medical Center, Nijmegen, the Netherlands
| | - D M Figueiredo
- Institute for Risk Assessment Sciences, University Utrecht, Utrecht, the Netherlands
| | - J G J Mol
- Wageningen Food Safety Research, Wageningen University and Research, Wageningen, the Netherlands
| | - R Nijssen
- Wageningen Food Safety Research, Wageningen University and Research, Wageningen, the Netherlands
| | - R B M Anzion
- Department for Health Evidence, Radboud Institute for Health Sciences, Radboud University Medical Center, Nijmegen, the Netherlands
| | - M F P van Dael
- Department for Health Evidence, Radboud Institute for Health Sciences, Radboud University Medical Center, Nijmegen, the Netherlands
| | - J Duyzer
- TNO Urban Environment and Safety, Utrecht, the Netherlands
| | - N Roeleveld
- Department for Health Evidence, Radboud Institute for Health Sciences, Radboud University Medical Center, Nijmegen, the Netherlands
| | - F G M Russel
- Department of Pharmacology and Toxicology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, the Netherlands
| | - R C H Vermeulen
- Institute for Risk Assessment Sciences, University Utrecht, Utrecht, the Netherlands
| | - P T J Scheepers
- Department for Health Evidence, Radboud Institute for Health Sciences, Radboud University Medical Center, Nijmegen, the Netherlands.
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Shearer JJ, Sandler DP, Andreotti G, Murata K, Shrestha S, Parks CG, Liu D, Alavanja MC, Landgren O, Beane Freeman LE, Hofmann JN. Pesticide use and kidney function among farmers in the Biomarkers of Exposure and Effect in Agriculture study. ENVIRONMENTAL RESEARCH 2021; 199:111276. [PMID: 33989625 PMCID: PMC8489787 DOI: 10.1016/j.envres.2021.111276] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Revised: 04/26/2021] [Accepted: 04/29/2021] [Indexed: 06/12/2023]
Abstract
BACKGROUND Pesticides have been reported to be associated with malignant and non-malignant kidney disease. Few studies have examined the relationship between individual pesticides and kidney dysfunction. OBJECTIVE We evaluated the associations of pesticide use with measured kidney function among male pesticide applicators in the Biomarkers of Exposure and Effect in Agriculture (BEEA) study, a subcohort in the Agricultural Health Study. METHODS Serum creatinine was measured in 1545 BEEA participants and estimated glomerular filtration rate (eGFR) was calculated with the chronic kidney disease epidemiology collaboration (CKD-EPI) equation. Using reported information on lifetime use of 41 pesticides, multivariable linear and logistic regression was used to examine associations with eGFR modeled continuously and with CKD (eGFR <60 mL/min/1.73 m2), respectively. Models were adjusted for possible confounding factors related to kidney function and correlated pesticides. RESULTS Lower eGFR was observed among pesticide applicators who ever used the herbicides pendimethalin (-3.7%, 95% confidence interval (CI): 5.8%, -1.5%), atrazine (-3.7%, 95% CI: 6.9%, -0.4%), and dicamba (-2.8%, 95% CI: 5.3%, -0.2%) compared with never users of each pesticide. Ever use of pendimethalin (odds ratio (OR)=1.6, 95% CI: 1.1, 2.2) and atrazine (OR=1.8, 95% CI: 1.0, 3.0) was also associated with elevated odds of CKD, with an exposure-response association between intensity-weighted lifetime days of pendimethalin use and CKD among active farmers (N=1302; ptrend=0.04). Atrazine use within the last year was associated with lower eGFR and elevated odds of CKD when compared with never users, and we observed exposure-response associations with intensity-weighted lifetime days among recent users. Use of several other pesticides was associated with higher eGFR. DISCUSSION These results suggest that two widely used herbicides, pendimethalin and atrazine, may be associated with altered kidney function among pesticide applicators. Our findings for these herbicides are consistent with observed associations with end-stage renal disease in the Agricultural Health Study.
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Affiliation(s)
- Joseph J Shearer
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, MD, USA
| | - Dale P Sandler
- Epidemiology Branch, National Institute of Environmental Health Sciences, Research Triangle, NC, USA
| | - Gabriella Andreotti
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, MD, USA
| | - Kazunori Murata
- Department of Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York City, NY, USA
| | - Srishti Shrestha
- Epidemiology Branch, National Institute of Environmental Health Sciences, Research Triangle, NC, USA
| | - Christine G Parks
- Epidemiology Branch, National Institute of Environmental Health Sciences, Research Triangle, NC, USA
| | - Danping Liu
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, MD, USA
| | - Michael C Alavanja
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, MD, USA
| | - Ola Landgren
- Myeloma Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York City, NY, USA; Myeloma Program, Sylvester Comprehensive Cancer Center, University of Miami, Miami, FL, USA
| | - Laura E Beane Freeman
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, MD, USA
| | - Jonathan N Hofmann
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, MD, USA.
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Glatfelter GC, Jones AJ, Rajnarayanan RV, Dubocovich ML. Pharmacological Actions of Carbamate Insecticides at Mammalian Melatonin Receptors. J Pharmacol Exp Ther 2021; 376:306-321. [PMID: 33203660 PMCID: PMC7841424 DOI: 10.1124/jpet.120.000065] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Accepted: 11/11/2020] [Indexed: 12/29/2022] Open
Abstract
Integrated in silico chemical clustering and melatonin receptor molecular modeling combined with in vitro 2-[125I]-iodomelatonin competition binding were used to identify carbamate insecticides with affinity for human melatonin receptor 1 (hMT1) and human melatonin receptor 2 (hMT2). Saturation and kinetic binding studies with 2-[125I]-iodomelatonin revealed lead carbamates (carbaryl, fenobucarb, bendiocarb, carbofuran) to be orthosteric ligands with antagonist apparent efficacy at hMT1 and agonist apparent efficacy at hMT2 Furthermore, using quantitative receptor autoradiography in coronal brain slices from C3H/HeN mice, carbaryl, fenobucarb, and bendiocarb competed for 2-[125I]-iodomelatonin binding in the suprachiasmatic nucleus (SCN), paraventricular nucleus of the thalamus (PVT), and pars tuberalis (PT) with affinities similar to those determined for the hMT1 receptor. Carbaryl (10 mg/kg i.p.) administered in vivo also competed ex vivo for 2-[125I]-iodomelatonin binding to the SCN, PVT, and PT, demonstrating the ability to reach brain melatonin receptors in C3H/HeN mice. Furthermore, the same dose of carbaryl given to C3H/HeN mice in constant dark for three consecutive days at subjective dusk (circadian time 10) phase-advanced circadian activity rhythms (mean = 0.91 hours) similar to melatonin (mean = 1.12 hours) when compared with vehicle (mean = 0.04 hours). Carbaryl-mediated phase shift of overt circadian activity rhythm onset is likely mediated via interactions with SCN melatonin receptors. Based on the pharmacological actions of carbaryl and other carbamate insecticides at melatonin receptors, exposure may modulate time-of-day information conveyed to the master biologic clock relevant to adverse health outcomes. SIGNIFICANCE STATEMENT: In silico chemical clustering and molecular modeling in conjunction with in vitro bioassays identified several carbamate insecticides (i.e., carbaryl, carbofuran, fenobucarb, bendiocarb) as pharmacologically active orthosteric melatonin receptor 1 and 2 ligands. This work further demonstrated that carbaryl competes for melatonin receptor binding in the master biological clock (suprachiasmatic nucleus) and phase-advances overt circadian activity rhythms in C3H/HeN mice, supporting the relevance of circadian effects when interpreting toxicological findings related to carbamate insecticide exposure.
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Affiliation(s)
- Grant C Glatfelter
- Department of Pharmacology and Toxicology (G.C.G., A.J.J., R.V.R., M.L.D.), Interdepartmental Neuroscience Program (A.J.J., M.L.D.), Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York
| | - Anthony J Jones
- Department of Pharmacology and Toxicology (G.C.G., A.J.J., R.V.R., M.L.D.), Interdepartmental Neuroscience Program (A.J.J., M.L.D.), Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York
| | - Rajendram V Rajnarayanan
- Department of Pharmacology and Toxicology (G.C.G., A.J.J., R.V.R., M.L.D.), Interdepartmental Neuroscience Program (A.J.J., M.L.D.), Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York
| | - Margarita L Dubocovich
- Department of Pharmacology and Toxicology (G.C.G., A.J.J., R.V.R., M.L.D.), Interdepartmental Neuroscience Program (A.J.J., M.L.D.), Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York
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De Broe ME, Vervaet BA. Is an Environmental Nephrotoxin the Primary Cause of CKDu (Mesoamerican Nephropathy)? PRO. KIDNEY360 2020; 1:591-595. [PMID: 35372944 PMCID: PMC8815546 DOI: 10.34067/kid.0003172020] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Accepted: 06/11/2020] [Indexed: 05/17/2023]
Affiliation(s)
- Marc E. De Broe
- Laboratory of Pathophysiology, University of Antwerp, Antwerp, Belgium
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25
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Andreotti G, Beane Freeman LE, Shearer JJ, Lerro CC, Koutros S, Parks CG, Blair A, Lynch CF, Lubin JH, Sandler DP, Hofmann JN. Occupational Pesticide Use and Risk of Renal Cell Carcinoma in the Agricultural Health Study. ENVIRONMENTAL HEALTH PERSPECTIVES 2020; 128:67011. [PMID: 32692250 PMCID: PMC7292387 DOI: 10.1289/ehp6334] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Revised: 05/05/2020] [Accepted: 05/14/2020] [Indexed: 05/12/2023]
Abstract
BACKGROUND Agricultural work and occupational pesticide use have been associated with increased risk of renal cell carcinoma (RCC), the most common form of kidney cancer. However, few prospective studies have investigated links to specific pesticides. OBJECTIVE We evaluated the lifetime use of individual pesticides and the incidence of RCC. METHODS We evaluated the associations between intensity-weighted lifetime days (IWDs) of 38 pesticides and incident RCC in the Agricultural Health Study, a prospective cohort of licensed pesticide applicators in Iowa and North Carolina. Among 55,873 applicators, 308 cases were diagnosed between enrollment (1993-1997) and the end of follow-up (2014-2015). We estimated incidence rate ratios (RRs) and 95% confidence intervals (CIs) using Poisson regression, controlling for potential confounding factors, with lagged and unlagged pesticide exposures. RESULTS There was a statistically significant increased risk of RCC among the highest users of 2,4,5-T compared with never users [unlagged RR IWD Tertile 3 = 2.92 (95% CI: 1.65, 5.17; p trend = 0.001 )], with similar risk estimates for lagged exposure [20-y lag RR IWD Tertile 3 = 3.37 (95% CI: 1.83, 6.22; p trend = 0.001 )]. In 20-y lagged analyses, we also found exposure-response associations with chlorpyrifos [RR IWD Quartile 4 = 1.68 (95% CI: 1.05, 2.70; p trend = 0.01 )], chlordane [RR IWD Tertile 3 = 2.06 (95% CI: 1.10, 3.87; p trend = 0.02 )], atrazine [RR IWD Quartile 4 = 1.43 (95% CI: 1.00, 2.03; p trend = 0.02 )], cyanazine [RR IWD Quartile 4 = 1.61 (95% CI: 1.03, 2.50; p trend = 0.02 )], and paraquat [RR IWD > Median = 1.95 (95% CI: 1.03, 3.70; p trend = 0.04 )]. CONCLUSIONS This is, to our knowledge, the first prospective study to evaluate RCC risk in relation to various pesticides. We found evidence of associations with RCC for four herbicides (2,4,5-T, atrazine, cyanazine, and paraquat) and two insecticides (chlorpyrifos and chlordane). Our findings provide insights into specific chemicals that may influence RCC risk among pesticide applicators. Confirmation of these findings and investigations of the biologic plausibility and potential mechanisms underlying the observed associations are warranted. https://doi.org/10.1289/EHP6334.
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Affiliation(s)
- Gabriella Andreotti
- Occupational and Environmental Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute (NCI), National Institutes of Health (NIH), Department of Health and Human Services (DHHS), Rockville, Maryland, USA
| | - Laura E Beane Freeman
- Occupational and Environmental Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute (NCI), National Institutes of Health (NIH), Department of Health and Human Services (DHHS), Rockville, Maryland, USA
| | - Joseph J Shearer
- Occupational and Environmental Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute (NCI), National Institutes of Health (NIH), Department of Health and Human Services (DHHS), Rockville, Maryland, USA
| | - Catherine C Lerro
- Occupational and Environmental Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute (NCI), National Institutes of Health (NIH), Department of Health and Human Services (DHHS), Rockville, Maryland, USA
| | - Stella Koutros
- Occupational and Environmental Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute (NCI), National Institutes of Health (NIH), Department of Health and Human Services (DHHS), Rockville, Maryland, USA
| | - Christine G Parks
- Epidemiology Branch, National Institute of Environmental Health Sciences, NIH, DHHS, Research Triangle Park, North Carolina, USA
| | - Aaron Blair
- Occupational and Environmental Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute (NCI), National Institutes of Health (NIH), Department of Health and Human Services (DHHS), Rockville, Maryland, USA
| | - Charles F Lynch
- Department of Epidemiology, University of Iowa, Iowa City, Iowa, USA
- State Health Registry of Iowa, Iowa City, Iowa, USA
| | - Jay H Lubin
- Biostatistics Branch, Division of Cancer Epidemiology and Genetics, NCI, NIH, DHHS, Rockville, Maryland, USA
| | - Dale P Sandler
- Epidemiology Branch, National Institute of Environmental Health Sciences, NIH, DHHS, Research Triangle Park, North Carolina, USA
| | - Jonathan N Hofmann
- Occupational and Environmental Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute (NCI), National Institutes of Health (NIH), Department of Health and Human Services (DHHS), Rockville, Maryland, USA
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Nogueira FDAM, Szwarcwald CL, Damacena GN. Exposição a agrotóxicos e agravos à saúde em trabalhadores agrícolas: o que revela a literatura? REVISTA BRASILEIRA DE SAÚDE OCUPACIONAL 2020. [DOI: 10.1590/2317-6369000041118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/08/2022] Open
Abstract
Resumo Introdução: a relação entre agrotóxicos e agravos à saúde tem sido investigada em diferentes contextos. Objetivo: reunir evidência científica relevante sobre agravos à saúde associados à exposição ocupacional aos agrotóxicos. Métodos: revisão de literatura de estudos publicados entre 2000 e 2017, nas bases PubMed, Embase e LILACS. Estabeleceu-se como critérios de elegibilidade: a) estudos observacionais; b) população de trabalhadores agrícolas; c) exposição ocupacional; d) agravos à saúde definidos como desfecho; e) comparação estatística de expostos com não expostos; f) idioma inglês, português ou espanhol. Resultados: 59 publicações foram elegíveis - 33 estudos transversais, 22 de coorte e 4 caso-controle. Discussão: os estudos indicam que trabalhadores rurais apresentam maior risco para alguns agravos crônicos (câncer, doenças mentais, neurológicas, endócrinas, renais, auditivas, respiratórias e autoimunes), efeitos subclínicos (danos genéticos e alterações bioquímicas) e sinais e sintomas clínicos de intoxicação aguda. Também foram identificadas limitações dos estudos quanto à avaliação da exposição e do desfecho, delineamento e amostragem. Conclusão: as evidências sugerem a necessidade de se complementar a avaliação da saúde dos trabalhadores expostos aos agrotóxicos utilizando biomarcadores de efeito de genotoxicidade e citotoxicidade, a fim de promover e ampliar a vigilância da exposição e das intoxicações crônicas e suas prevenções.
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Vervaet BA, Nast CC, Jayasumana C, Schreurs G, Roels F, Herath C, Kojc N, Samaee V, Rodrigo S, Gowrishankar S, Mousson C, Dassanayake R, Orantes CM, Vuiblet V, Rigothier C, D'Haese PC, De Broe ME. Chronic interstitial nephritis in agricultural communities is a toxin-induced proximal tubular nephropathy. Kidney Int 2019; 97:350-369. [PMID: 31892415 DOI: 10.1016/j.kint.2019.11.009] [Citation(s) in RCA: 53] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2018] [Revised: 09/09/2019] [Accepted: 10/10/2019] [Indexed: 12/16/2022]
Abstract
Almost 30 years after the detection of chronic interstitial nephritis in agricultural communities (CINAC) its etiology remains unknown. To help define this we examined 34 renal biopsies from Sri Lanka, El Salvador, India and France of patients with chronic kidney disease 2-3 and diagnosed with CINAC by light and electron microscopy. In addition to known histopathology, we identified a unique constellation of proximal tubular cell findings including large dysmorphic lysosomes with a light-medium electron-dense matrix containing dispersed dark electron-dense non-membrane bound "aggregates". These aggregates associated with varying degrees of cellular/tubular atrophy, apparent cell fragment shedding and no-weak proximal tubular cell proliferative capacity. Identical lysosomal lesions, identifiable by electron microscopy, were observed in 9% of renal transplant implantation biopsies, but were more prevalent in six month (50%) and 12 month (67%) protocol biopsies and in indication biopsies (76%) of calcineurin inhibitor treated transplant patients. The phenotype was also found associated with nephrotoxic drugs (lomustine, clomiphene, lithium, cocaine) and in some patients with light chain tubulopathy, all conditions that can be directly or indirectly linked to calcineurin pathway inhibition or modulation. One hundred biopsies of normal kidneys, drug/toxin induced nephropathies, and overt proteinuric patients of different etiologies to some extent could demonstrate the light microscopic proximal tubular cell changes, but rarely the electron microscopic lysosomal features. Rats treated with the calcineurin inhibitor cyclosporine for four weeks developed similar proximal tubular cell lysosomal alterations, which were absent in a dehydration group. Overall, the finding of an identical proximal tubular cell (lysosomal) lesion in CINAC and calcineurin inhibitor nephrotoxicity in different geographic regions suggests a common paradigm where CINAC patients undergo a tubulotoxic mechanism similar to calcineurin inhibitor nephrotoxicity.
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Affiliation(s)
| | - Cynthia C Nast
- Cedars-Sinai Medical Center, Los Angeles, California, USA
| | - Channa Jayasumana
- Faculty of Medicine, Rajatrata University of Sri Lanka, Anuradhapura, Sri Lanka
| | - Gerd Schreurs
- Laboratory of Pathophysiology, University Antwerp, Antwerp, Belgium
| | - Frank Roels
- Department of Pathology, Ghent University, Gent, Belgium
| | - Chula Herath
- Department of Nephrology, Sri Jayewardenepura General Hospital, Colombo, Sri Lanka
| | - Nika Kojc
- Institute of Pathology, Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia
| | - Vahid Samaee
- Electron Microscopy for Materials Science (EMAT), University of Antwerp, Antwerp, Belgium
| | - Sonali Rodrigo
- Department of Nephrology, Sri Jayewardenepura General Hospital, Colombo, Sri Lanka
| | | | - Christiane Mousson
- Department of Nephrology, Centre Hospitalier Universitaire de Dijon, Dijon, France
| | | | - Carlos M Orantes
- National Institute of Health, Ministry of Health of El Salvador, San Salvador, El Salvador
| | - Vincent Vuiblet
- Departments of Nephrology and Renal Pathology, Centre Hospitalier Universitaire de Reims, Reims, France
| | - Claire Rigothier
- Service Néphrologie, Transplantation, Dialyse et Aphérèses, Centre Hospitalier Universitaire de Bordeaux, Bordeaux, France
| | | | - Marc E De Broe
- Laboratory of Pathophysiology, University Antwerp, Antwerp, Belgium.
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Blood pharmacokinetic of 17 common pesticides in mixture following a single oral exposure in rats: implications for human biomonitoring and exposure assessment. Arch Toxicol 2019; 93:2849-2862. [DOI: 10.1007/s00204-019-02546-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2019] [Accepted: 08/14/2019] [Indexed: 10/26/2022]
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Kosnik MB, Reif DM, Lobdell DT, Astell-Burt T, Feng X, Hader JD, Hoppin JA. Associations between access to healthcare, environmental quality, and end-stage renal disease survival time: Proportional-hazards models of over 1,000,000 people over 14 years. PLoS One 2019; 14:e0214094. [PMID: 30897121 PMCID: PMC6428249 DOI: 10.1371/journal.pone.0214094] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2018] [Accepted: 03/06/2019] [Indexed: 01/31/2023] Open
Abstract
Prevalence of end-stage renal disease (ESRD) in the US increased by 74% from 2000 to 2013. To investigate the role of the broader environment on ESRD survival time, we evaluated average distance to the nearest hospital by county (as a surrogate for access to healthcare) and the Environmental Quality Index (EQI), an aggregate measure of ambient environmental quality composed of five domains (air, water, land, built, and sociodemographic), at the county level across the US. Associations between average hospital distance, EQI, and survival time for 1,092,281 people diagnosed with ESRD between 2000 and 2013 (age 18+, without changes in county residence) from the US Renal Data System were evaluated using proportional-hazards models adjusting for gender, race, age at first ESRD service date, BMI, alcohol and tobacco use, and rurality. The models compared the average distance to the nearest hospital (<10, 10-20, >20 miles) and overall EQI percentiles [0-5), [5-20), [20-40), [40-60), [60-80), [80-95), and [95-100], where lower percentiles are interpreted as better EQI. In the full, non-stratified model with both distance and EQI, there was increased survival for patients over 20 miles from a hospital compared to those under 10 miles from a hospital (hazard ratio = 1.14, 95% confidence interval = 1.12-1.15) and no consistent direction of association across EQI strata. In the full model stratified by average hospital distance, under 10 miles from a hospital had increased survival in the worst EQI strata (median survival 3.0 vs. 3.5 years for best vs. worst EQI, respectively), however for people over 20 miles from a hospital, median survival was higher in the best (4.2 years) vs worst (3.4 years) EQI. This association held across different rural/urban categories and age groups. These results demonstrate the importance of considering multiple factors when studying ESRD survival and future efforts should consider additional components of the broader environment.
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Affiliation(s)
- Marissa B. Kosnik
- Toxicology Program, Department of Biological Sciences, North Carolina State University, Raleigh, North Carolina, United States of America
- Bioinformatics Research Center, North Carolina State University, Raleigh, North Carolina, United States of America
| | - David M. Reif
- Toxicology Program, Department of Biological Sciences, North Carolina State University, Raleigh, North Carolina, United States of America
- Bioinformatics Research Center, North Carolina State University, Raleigh, North Carolina, United States of America
- Center for Human Health and the Environment, North Carolina State University, Raleigh, North Carolina, United States of America
| | - Danelle T. Lobdell
- National Health and Environmental Effects Research Lab, U.S. EPA, Chapel Hill, North Carolina, United States of America
| | - Thomas Astell-Burt
- Population Wellbeing and Environment Research Lab, School of Health and Society, Faculty of Social Sciences, University of Wollongong, Wollongong, New South Wales, Australia
- Menzies Centre for Health Policy, University of Sydney, Sydney, New South Wales, Australia
- School of Public Health, Peking Union Medical College and The Chinese Academy of Medical Sciences, Beijing, China
| | - Xiaoqi Feng
- Population Wellbeing and Environment Research Lab, School of Health and Society, Faculty of Social Sciences, University of Wollongong, Wollongong, New South Wales, Australia
- Menzies Centre for Health Policy, University of Sydney, Sydney, New South Wales, Australia
| | | | - Jane A. Hoppin
- Toxicology Program, Department of Biological Sciences, North Carolina State University, Raleigh, North Carolina, United States of America
- Center for Human Health and the Environment, North Carolina State University, Raleigh, North Carolina, United States of America
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Chapman E, Haby MM, Illanes E, Sanchez-Viamonte J, Elias V, Reveiz L. Risk factors for chronic kidney disease of non-traditional causes: a systematic review. Rev Panam Salud Publica 2019; 43:e35. [PMID: 31093259 PMCID: PMC6461065 DOI: 10.26633/rpsp.2019.35] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2018] [Accepted: 12/19/2018] [Indexed: 12/30/2022] Open
Abstract
OBJECTIVES To evaluate the potential associations between chronic kidney disease of uncertain or non-traditional etiology (CKDnT) and agrochemicals, heat stress, heavy metals, and other factors identified in the literature in any region of the world and at any time. METHODS This was a systematic review of the most frequent exposures suspected to be possible causes of CKDnT. A search was conducted of PubMed, LILACS, World Wide Science electronic databases, among other sources. Only medium- and high-quality studies were included. The synthesis of evidence included a narrative synthesis, meta-analysis, and meta-regression. RESULTS Four systematic reviews and 61 primary studies were included. Results of the meta-analysis suggest that exposure to agrochemicals and working in agriculture increase the risk of CKDnT, but this only reached significance for working in agriculture. When cross-sectional studies were excluded, agrochemical exposure became significant. However, there is substantial heterogeneity in the effect sizes. CONCLUSIONS Based on the existing evidence and the precautionary principle, it is important to implement preventive measures to mitigate the damage caused by CKDnT to both agricultural workers and their communities (i.e., improvement of working conditions, cautious management of agrochemicals, etc.). More high-quality research is needed to measure impact and to build the evidence base.
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Affiliation(s)
- Evelina Chapman
- Campus Universitário Darcy Ribeiro Campus Universitário Darcy Ribeiro Oswaldo Cruz Foundation (Fiocruz) Brasilia Brazil Oswaldo Cruz Foundation (Fiocruz), Campus Universitário Darcy Ribeiro, Brasilia, Brazil
| | - Michelle M Haby
- Universidad de Sonora Universidad de Sonora Department of Chemical and Biological Sciences HermosilloSonora Mexico Department of Chemical and Biological Sciences, Universidad de Sonora, Hermosillo, Sonora, Mexico
| | - Eduardo Illanes
- Universidad Mayor, a Ringgold standard institution Universidad Mayor, a Ringgold standard institution School of Psychology Santiago Chile School of Psychology, Universidad Mayor, a Ringgold standard institution, Santiago, Chile
| | - Julian Sanchez-Viamonte
- Facultad de Ciencias Médicas de la Universidad Nacional de La Plata Facultad de Ciencias Médicas de la Universidad Nacional de La Plata Escuela Universitaria de Recursos Humanos del Equipo de Salud Informática en Ciencias de la Salud Buenos Aires Argentina Informática en Ciencias de la Salud, Escuela Universitaria de Recursos Humanos del Equipo de Salud, Facultad de Ciencias Médicas de la Universidad Nacional de La Plata, Buenos Aires, Argentina
| | - Vanessa Elias
- Pan American Health Organization/World Health Organization Pan American Health Organization/World Health Organization Department of Evidence and Intelligence for Action in Health WashingtonDC United States of America Department of Evidence and Intelligence for Action in Health, Pan American Health Organization/World Health Organization, Washington, DC, United States of America
| | - Ludovic Reveiz
- Pan American Health Organization/World Health Organization Pan American Health Organization/World Health Organization Department of Evidence and Intelligence for Action in Health WashingtonDC United States of America Department of Evidence and Intelligence for Action in Health, Pan American Health Organization/World Health Organization, Washington, DC, United States of America
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Li J, Dong L, Tian D, Zhao Y, Yang H, Zhi X, Zhu L. Association between pesticide exposure intensity and self-rated health among greenhouse vegetable farmers in Ningxia, China. PLoS One 2018; 13:e0209566. [PMID: 30576364 PMCID: PMC6303074 DOI: 10.1371/journal.pone.0209566] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2018] [Accepted: 12/09/2018] [Indexed: 12/19/2022] Open
Abstract
Background Self-rated health (SRH) has been shown to be a stronger comprehensive predictor of health status than the clinical record. Although an association between specific pesticide exposures and health conditions has been reported in different populations, data on the relationship between pesticides exposure intensity (PEI) and SRH in greenhouse farmers is scarce. The aim of the current study was to evaluate this association among vegetable greenhouse farmers in Yinchuan City, western China. Methods Three consecutive cross-sectional studies were conducted in the years 2015, 2016 and 2017. Face-to-face interviews by trained investigators, using questionnaires, were performed. PEI was calculated by a validated method and then categorized into high, middle and low groups. SRH was measured via a single ten-point scale question and then divided into excellent (score >5) and poor SRH (score ≤5). A multivariable logistic regression model was used to evaluate the association. Meanwhile, the dose-response and interaction effects were estimated. Results A steady association between high PEI and poor SRH (OR: 1.55, 95% CI: 1.05–2.28 in the full model) was identified. Although high PEI was significantly associated with poor SRH in males and the Han ethnicity group, no significant association was found with poor SRH in females or those of Hui ethnicity. Interaction effects of education level and frequency of breakfast with PEI were determined (Pinteraction = 0.04 and 0.02, respectively); synergistic enhanced effects for poor SRH were observed. Conclusion These findings indicate that high PEI might be associated with poor SRH among vegetable greenhouse farmers. A lower education level and never eating breakfast contributed to an increased likelihood of poor SRH in those with high PEI. The local government should be making great efforts to promote healthy behaviors and improve protection awareness.
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Affiliation(s)
- Jiangping Li
- Department of Epidemiology and Health Statistics, School of Public Health and Management, Ningxia Medical University, Yinchuan, China
| | - Lijun Dong
- Department of Occupational and Environmental Health, School of Public Health and Management, Ningxia Medical University, Yinchuan, China
| | - Danian Tian
- Department of Hygienic Chemistry, School of Public Health and Management, Ningxia Medical University, Yinchuan, China
| | - Yu Zhao
- Department of Epidemiology and Health Statistics, School of Public Health and Management, Ningxia Medical University, Yinchuan, China
| | - Huifang Yang
- Department of Occupational and Environmental Health, School of Public Health and Management, Ningxia Medical University, Yinchuan, China
- * E-mail:
| | - Xiaoyu Zhi
- Department of infection control, The first people' hospital of Yinchuan, Yinchuan, China
| | - Lingqin Zhu
- Department of Occupational and Environmental Health, School of Public Health and Management, Ningxia Medical University, Yinchuan, China
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Zhang C, Qin L, Dou DC, Li XN, Ge J, Li JL. Atrazine induced oxidative stress and mitochondrial dysfunction in quail (Coturnix C. coturnix) kidney via modulating Nrf2 signaling pathway. CHEMOSPHERE 2018; 212:974-982. [PMID: 30286554 DOI: 10.1016/j.chemosphere.2018.08.138] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/02/2018] [Revised: 08/10/2018] [Accepted: 08/27/2018] [Indexed: 06/08/2023]
Abstract
Atrazine (ATR) is a most used herbicide which is believed as a pivotal determinant of environmental nephrosis, but potential mechanism is still largely unclear. This study intends to reveal a novel mechanism of ATR-induced nephrotoxicity. Quail were treated with 0, 50, 250 and 500 mg ATR/kg/d by oral gavage for 45 days. Kidney coefficient was decreased, biochemical and morphologic indices reflecting the kidney injury were significantly increased in ATR-exposed quail. ATR exposure upregulated the expression of proapoptotic factors (Bax, Caspase 3 and FasL) and downregulated antiapoptotic factor (Bcl-2). Notably, cristae of mitochondria decreased, mitochondrial malformation and mitochondrial vacuolar degeneration were observed in ATR-exposed quail. ATR induced the disorder of mitochondrial function related factors expressions and promoted oxidative damage. Furthermore, ATR induced toxicities in the expression of Nrf2 and Nrf2-target genes. In conclusion, ATR altered the microstructure and function of quail kidney. ATR induced renal damage via causing mitochondrial dysfunction, influencing mitochondrial function related genes expression, modulating Nrf2 signaling pathway. This study suggested ATR induced the nephrotoxicity via disturbing the transcription of mitochondrial function related factors and Nrf2 signaling pathway.
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Affiliation(s)
- Cong Zhang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, PR China
| | - Lei Qin
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, PR China; Laboratory Animal Centre, Qiqihar Medical University, Qiqihar, 161006, PR China
| | - Da-Chang Dou
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, PR China
| | - Xue-Nan Li
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, PR China
| | - Jing Ge
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, PR China
| | - Jin-Long Li
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, PR China; Key Laboratory of the Provincial Education Department of Heilongjiang for Common Animal Disease Prevention and Treatment, Northeast Agricultural University, Harbin, 150030, PR China; Heilongjiang Key Laboratory for Laboratory Animals and Comparative Medicine, Northeast Agricultural University, Harbin, 150030, PR China.
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Oerlemans A, van Dael MFP, Vermeulen RCH, Russel FGM, Scheepers PTJ. Urine collection methods for non-toilet-trained children in biological monitoring studies: Validation of a disposable diaper for characterization of tebuconazole exposure. Toxicol Lett 2018; 298:201-206. [PMID: 30292883 DOI: 10.1016/j.toxlet.2018.09.018] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2018] [Revised: 09/26/2018] [Accepted: 09/28/2018] [Indexed: 10/28/2022]
Abstract
Young children differ from adults in their exposure and susceptibility to environmental chemicals (e.g. pesticides) because of various factors such as behavior, diet and physiology. Their heightened vulnerability to environmental stressors makes it important to obtain appropriate urine samples for exposure characterization. However, collecting urine from non-toilet-trained children has been shown to be methodologically and practically challenging. Four urine collection approaches were tested: a disposable diaper, a urine bag, a collection pad and the clean catch. The success rate and the user rating of each method was evaluated. The success rates were 67%, 21%, 17% and 4% for the disposable diaper, urine bag, collection pad and clean catch, respectively. The average user ratings on a 0-10 (0 = inconvenient, 10 = convenient) scale were 9.0, 4.7, 7.3 and 2.5, respectively. Subsequently, the best rated method, the disposable polyacrylate diaper was tested with hydroxy-tebuconazole as an exposure biomarker for the fungicide tebuconazole and creatinine for urine density adjustment. After LC-MS/MS analysis, the recoveries of hydroxy-tebuconazole in the range of 0.05-25 ng/mL were on average 106%, and for creatinine 87%. Precisions (relative standard deviation) were for both 3%. The overall procedure including collection and extraction was assessed, resulting in three out of seven positive samples. Based on this study, the disposable diaper is a suitable method for urine collection of non-toilet-trained children for biomonitoring of tebuconazole. This method can serve as a basis for extension to other substances of interest.
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Affiliation(s)
- A Oerlemans
- Radboud Institute for Health Sciences, Radboud University Medical Center, Nijmegen, the Netherlands.
| | - M F P van Dael
- Radboud Institute for Health Sciences, Radboud University Medical Center, Nijmegen, the Netherlands
| | - R C H Vermeulen
- Institute for Risk Assessment Sciences, University Utrecht, Utrecht, the Netherlands
| | - F G M Russel
- Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, the Netherlands
| | - P T J Scheepers
- Radboud Institute for Health Sciences, Radboud University Medical Center, Nijmegen, the Netherlands
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Prudente IRG, Cruz CL, Nascimento LDC, Kaiser CC, Guimarães AG. Evidence of risks of renal function reduction due to occupational exposure to agrochemicals: A systematic review. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2018; 63:21-28. [PMID: 30125793 DOI: 10.1016/j.etap.2018.08.006] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/23/2018] [Revised: 08/06/2018] [Accepted: 08/11/2018] [Indexed: 06/08/2023]
Abstract
Agriculture accountsfor an important economic activity worldwide and the search for the increased productivity incorporated the use of pesticides in this practice. Such compounds have significant environmental and human health effects, especially for workers exposed to them. Among the main health problems caused by pesticides are the renal alterations, which in more advanced stages comprise an important public health problem. For this reason, this systematic review aimed at gathering evidence of the risk of renal changes induced by occupational exposure to pesticides. The search was made in PubMed, Scopus, Lilacs and Scielo in December 2017, using keywords as pesticides, poisoning, kidney, renal insufficiency. After the application of inclusion criteria, 11 studies were selected. It was possible to gather evidence on the prevalence and risk (3.12-6.71) of renal injury from the occupational exposure of agricultural workers and its association with the exposure to agrichemicals, as organophosphates and herbicides.
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Abstract
The burden of disease and death attributable to environmental pollution is becoming a public health challenge worldwide, especially in developing countries. The kidney is vulnerable to environmental pollutants because most environmental toxins are concentrated by the kidney during filtration. Given the high mortality and morbidity of kidney disease, environmental risk factors and their effect on kidney disease need to be identified. In this Review, we highlight epidemiological evidence for the association between kidney disease and environmental pollutants, including air pollution, heavy metal pollution and other environmental risk factors. We discuss the potential biological mechanisms that link exposure to environmental pollutants to kidney damage and emphasize the contribution of environmental pollution to kidney disease. Regulatory efforts should be made to control environmental pollution and limit individual exposure to preventable or avoidable environmental risk. Population studies with accurate quantification of environmental exposure in polluted regions, particularly in developing countries, might aid our understanding of the dose-response relationship between pollutants and kidney diseases.
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Affiliation(s)
- Xin Xu
- National Clinical Research Center for Kidney Disease, State Key Laboratory of Organ Failure Research, Nanfang Hospital, Southern Medical University, 1838 North Guangzhou Avenue, Guangzhou 510515, China
| | - Sheng Nie
- National Clinical Research Center for Kidney Disease, State Key Laboratory of Organ Failure Research, Nanfang Hospital, Southern Medical University, 1838 North Guangzhou Avenue, Guangzhou 510515, China
| | - Hanying Ding
- National Clinical Research Center for Kidney Disease, State Key Laboratory of Organ Failure Research, Nanfang Hospital, Southern Medical University, 1838 North Guangzhou Avenue, Guangzhou 510515, China
| | - Fan Fan Hou
- National Clinical Research Center for Kidney Disease, State Key Laboratory of Organ Failure Research, Nanfang Hospital, Southern Medical University, 1838 North Guangzhou Avenue, Guangzhou 510515, China
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Ordunez P, Nieto FJ, Martinez R, Soliz P, Giraldo GP, Mott SA, Hoy WE. Chronic kidney disease mortality trends in selected Central America countries, 1997-2013: clues to an epidemic of chronic interstitial nephritis of agricultural communities. J Epidemiol Community Health 2018; 72:280-286. [PMID: 29437864 DOI: 10.1136/jech-2017-210023] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2017] [Revised: 11/28/2017] [Accepted: 12/12/2017] [Indexed: 12/30/2022]
Abstract
BACKGROUND In Central America, chronic interstitial nephritis of agricultural communities (CINAC) has reached epidemic proportions. Clusters of cases have been described in several farming communities. Its aetiology remains uncertain and a controversy exists on its key triggers, among them the heat stress-dehydration mechanism and the toxic exposure to agrochemicals. METHODS This study analysed the mortality pattern and trend of chronic kidney disease code N18 (CKD-N18) according to the International Statistical Classification of Diseases and Related Health Problems-10th Revision, the proxy and the underlying cause of death, in four selected Central American countries from 1997 to 2013. In addition, we used exponential regression to retrospectively model the likely onset and prior trajectory of the epidemic. RESULTS Between 1997 and 2013, CKD-N18 mortality accounting 47 885 deaths (31% were female), 19 533 of which occurred below 60 years of age (26% female). The excess of mortality starts as early as 10-14 years of age for both boys and girls. El Salvador and Nicaragua, with mortality rates between 9-fold and 12-fold higher than reference countries, were the most affected. Statistical modelling suggests that the epidemic commenced around the mid-1970s, coinciding with important changes in modes of agricultural production. CONCLUSIONS This study provides the most comprehensive mortality analysis of this epidemic published to date and confirms an excess of CKD-N18 mortality and its relation with the epidemic of CINAC. The overall trends and the mortality pattern among women, children and adolescents suggest that the heat stress-dehydration hypothesis cannot fully explain this epidemic and that other environmental factors, more likely agricultural practices and agrochemicals, may be causally involved.
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Affiliation(s)
- Pedro Ordunez
- Pan American Health Organization, Washington, District of Columbia, USA
| | - F Javier Nieto
- College of Public Health and Human Sciences, Oregon State University, Corvallis, Oregon, USA
| | - Ramon Martinez
- Pan American Health Organization, Washington, District of Columbia, USA
| | - Patricia Soliz
- Pan American Health Organization, Washington, District of Columbia, USA
| | - Gloria P Giraldo
- Pan American Health Organization, Washington, District of Columbia, USA
| | - Susan Anne Mott
- Centre for Chronic Disease and CKD. CRE, UQCCR, Faculty of Medicine, The University of Queensland, Brisbane, Queensland, Australia
| | - Wendy E Hoy
- Centre for Chronic Disease and CKD. CRE, UQCCR, Faculty of Medicine, The University of Queensland, Brisbane, Queensland, Australia
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Atrazine-induced environmental nephrosis was mitigated by lycopene via modulating nuclear xenobiotic receptors-mediated response. J Nutr Biochem 2018; 51:80-90. [DOI: 10.1016/j.jnutbio.2017.09.006] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2017] [Revised: 06/01/2017] [Accepted: 09/05/2017] [Indexed: 12/20/2022]
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Ansari SM, Saquib Q, Attia SM, Abdel-Salam EM, Alwathnani HA, Faisal M, Alatar AA, Al-Khedhairy AA, Musarrat J. Pendimethalin induces oxidative stress, DNA damage, and mitochondrial dysfunction to trigger apoptosis in human lymphocytes and rat bone-marrow cells. Histochem Cell Biol 2017; 149:127-141. [PMID: 29151145 DOI: 10.1007/s00418-017-1622-0] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/13/2017] [Indexed: 01/22/2023]
Abstract
Pendimethalin (PM) is a dinitroaniline herbicide extensively applied against the annual grasses and broad-leaved weeds. There is no report available on PM-induced low-dose genotoxicity in human primary cells and in vivo test models. Such data gap has prompted us to evaluate the genotoxic potential of PM in human lymphocytes and rats. PM selectively binds in the minor groove of DNA by forming covalent bonds with G and C nitrogenous bases, as well as with the ribose sugar. PM induces micronucleus formation (MN) in human lymphocytes, indicating its clastogenic potential. Comet assay data showed 35.6-fold greater DNA damage in PM (200 μM)-treated human lymphocytes. Rat bone-marrow cells, at the highest dose of 50 mg/kg b w/day of PM also exhibited 10.5-fold greater DNA damage. PM at 200 μM and 50 mg/kg b w/day induces 193.4 and 229% higher reactive oxygen species generation in human lymphocytes and rat bone-marrow cells. PM-treated human lymphocytes and rat bone-marrow cells both showed dysfunction of mitochondrial membrane potential (ΔΨ m). PM exposure results in the appearance of 72.2 and 35.2% sub-G1 apoptotic peaks in human lymphocytes and rat bone-marrow cells when treated with 200 μM and 50 mg/kg b w/day of PM. Rats exposed to PM also showed imbalance in antioxidant enzymes and histological pathology. Overall, our data demonstrated the genotoxic and apoptotic potentials of PM in human and animal test models.
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Affiliation(s)
- Sabiha M Ansari
- Department of Botany and Microbiology, College of Science, King Saud University, PO Box 2455, Riyadh, 11451, Saudi Arabia
| | - Quaiser Saquib
- Zoology Department, College of Science, King Saud University, PO Box 2455, Riyadh, 11451, Saudi Arabia.
| | - Sabry M Attia
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, PO Box 2457, Riyadh, 11451, Saudi Arabia
| | - Eslam M Abdel-Salam
- Department of Botany and Microbiology, College of Science, King Saud University, PO Box 2455, Riyadh, 11451, Saudi Arabia
| | - Hend A Alwathnani
- Department of Botany and Microbiology, College of Science, King Saud University, PO Box 2455, Riyadh, 11451, Saudi Arabia
| | - Mohammad Faisal
- Department of Botany and Microbiology, College of Science, King Saud University, PO Box 2455, Riyadh, 11451, Saudi Arabia
| | - Abdulrahman A Alatar
- Department of Botany and Microbiology, College of Science, King Saud University, PO Box 2455, Riyadh, 11451, Saudi Arabia
| | - Abdulaziz A Al-Khedhairy
- Zoology Department, College of Science, King Saud University, PO Box 2455, Riyadh, 11451, Saudi Arabia
| | - Javed Musarrat
- School of Biosciences and Biodiversity, Baba Ghulam Shah Badshah University, Rajouri, Jammu And Kashmir, India.,Department of Agricultural Microbiology, Faculty of Agricultural Sciences, Aligarh Muslim University, Aligarh, 202002, UP, India
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Herath C, Jayasumana C, De Silva PMCS, De Silva PHC, Siribaddana S, De Broe ME. Kidney Diseases in Agricultural Communities: A Case Against Heat-Stress Nephropathy. Kidney Int Rep 2017; 3:271-280. [PMID: 29725631 PMCID: PMC5932118 DOI: 10.1016/j.ekir.2017.10.006] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2017] [Revised: 10/07/2017] [Accepted: 10/16/2017] [Indexed: 12/21/2022] Open
Abstract
The beginning of the 21st century has seen the emergence of a new chronic tubulo-interstitial kidney disease of uncertain cause among agricultural communities in Central America and Sri Lanka. Despite many similarities in demography, presentation, clinical features, and renal histopathology in affected individuals in these regions, a toxic etiology has been considered mainly in Sri Lanka, whereas the predominant hypothesis in Central America has been that recurrent acute kidney injury (AKI) caused by heat stress leads to chronic kidney disease (CKD). This is termed the heat stress/dehydration hypothesis. This review attempts to demonstrate that there is sparse evidence for the occurrence of significant AKI among manual workers who are at high risk, and that there is little substantial evidence that an elevation of serum creatinine < 0.3 mg/dl in previously healthy people will lead to CKD even with recurrent episodes. It is also proposed that the extent of global warming over the last half-century was not sufficient to have caused a drastic change in the effects of heat stress on renal function in manual workers. Comparable chronic tubulo-interstitial kidney disease is not seen in workers exposed to heat in most tropical regions, although the disease is seen in individuals not exposed to heat stress in the affected regions. The proposed pathogenic mechanisms of heat stress causing CKD have not yet been proved in humans or demonstrated in workers at risk. It is believed that claims of a global warming nephropathy in relation to this disease may be premature and without convincing evidence.
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Affiliation(s)
- Chula Herath
- Department of Nephrology, Sri Jayewardenepura General Hospital, Sri Lanka
| | - Channa Jayasumana
- Department of Pharmacology, Faculty of Medicine, Rajarata University of Sri Lanka, Saliyapura, Sri Lanka
| | | | | | - Sisira Siribaddana
- Department of Pharmacology, Faculty of Medicine, Rajarata University of Sri Lanka, Saliyapura, Sri Lanka
| | - Marc E De Broe
- Laboratory of Pathophysiology, University of Antwerp, Wilrijk, Belgium
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Hichor M, Sampathkumar NK, Montanaro J, Borderie D, Petit PX, Gorgievski V, Tzavara ET, Eid AA, Charbonnier F, Grenier J, Massaad C. Paraquat Induces Peripheral Myelin Disruption and Locomotor Defects: Crosstalk with LXR and Wnt Pathways. Antioxid Redox Signal 2017; 27:168-183. [PMID: 27788593 DOI: 10.1089/ars.2016.6711] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
AIMS Paraquat (PQT), a redox-active herbicide, is a free radical-producing molecule, causing damage particularly to the nervous system; thus, it is employed as an animal model for Parkinson's disease. However, its impact on peripheral nerve demyelination is still unknown. Our aim is to decipher the influence of PQT-induced reactive oxygen species (ROS) production on peripheral myelin. RESULTS We report that PQT provokes severe locomotor and sensory defects in mice. PQT elicited an oxidative stress in the nerve, resulting in an increase of lipid peroxidation and protein carbonylation, despite the induction of nuclear factor erythroid 2-related factor 2 (Nrf2)-dependent antioxidant defenses. We observed a dramatic disorganization of myelin sheaths in the sciatic nerves, dysregulation of myelin gene expression, and aggregation of myelin proteins, a hallmark of demyelination. PQT altered myelin gene expression via liver X receptor (LXR) signaling, a negative regulator of peripheral myelin gene expression through its dialog with the Wnt/β-catenin pathway. PQT prevented β-catenin binding on myelin gene promoters, resulting in the inhibition of Wnt/β-catenin-dependent myelin gene expression. Wnt pathway activation by LiCl dampened the deleterious effects of PQT. LiCl blocked PQT-induced oxidative stress and reduced Schwann cell death. LiCl+PQT-treated mice had normal sensorimotor behaviors and a usual nerve structure. INNOVATION We reveal that PQT damages the sciatic nerve by generating an oxidative stress, dysregulating LXR and Wnt/β-catenin pathways. The activation of Wnt signaling by LiCl reduced the deleterious effects of PQT on the nerve. CONCLUSION We demonstrate that PQT instigates peripheral nerve demyelinating neuropathies by enhancing ROS production and deregulating LXR and Wnt pathways. Stimulating Wnt pathway could be a therapeutic strategy for neuropathy treatment. Antioxid. Redox Signal. 27, 168-183.
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Affiliation(s)
- Mehdi Hichor
- 1 INSERM UMR-S 1124, Sorbonne Paris Cité, Faculté des Sciences Fondamentales et Biomédicales, Paris Descartes University , Paris, France
| | - Nirmal Kumar Sampathkumar
- 1 INSERM UMR-S 1124, Sorbonne Paris Cité, Faculté des Sciences Fondamentales et Biomédicales, Paris Descartes University , Paris, France
| | - Julia Montanaro
- 1 INSERM UMR-S 1124, Sorbonne Paris Cité, Faculté des Sciences Fondamentales et Biomédicales, Paris Descartes University , Paris, France
| | - Didier Borderie
- 1 INSERM UMR-S 1124, Sorbonne Paris Cité, Faculté des Sciences Fondamentales et Biomédicales, Paris Descartes University , Paris, France
| | - Patrice X Petit
- 1 INSERM UMR-S 1124, Sorbonne Paris Cité, Faculté des Sciences Fondamentales et Biomédicales, Paris Descartes University , Paris, France
| | - Victor Gorgievski
- 2 INSERM UMRS-S 1130, CNRS UMR824, Pierre and Marie Curie University , Paris, France
| | - Eleni T Tzavara
- 2 INSERM UMRS-S 1130, CNRS UMR824, Pierre and Marie Curie University , Paris, France
| | - Assaad A Eid
- 3 Department of Anatomy, Cell Biology and Physiological Sciences, American University of Beirut, Beirut, Lebanon
| | - Frédéric Charbonnier
- 1 INSERM UMR-S 1124, Sorbonne Paris Cité, Faculté des Sciences Fondamentales et Biomédicales, Paris Descartes University , Paris, France
| | - Julien Grenier
- 1 INSERM UMR-S 1124, Sorbonne Paris Cité, Faculté des Sciences Fondamentales et Biomédicales, Paris Descartes University , Paris, France
| | - Charbel Massaad
- 1 INSERM UMR-S 1124, Sorbonne Paris Cité, Faculté des Sciences Fondamentales et Biomédicales, Paris Descartes University , Paris, France
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Valcke M, Levasseur ME, Soares da Silva A, Wesseling C. Pesticide exposures and chronic kidney disease of unknown etiology: an epidemiologic review. Environ Health 2017; 16:49. [PMID: 28535811 PMCID: PMC5442867 DOI: 10.1186/s12940-017-0254-0] [Citation(s) in RCA: 73] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2016] [Accepted: 05/08/2017] [Indexed: 05/20/2023]
Abstract
The main causes of chronic kidney disease (CKD) globally are diabetes and hypertension but epidemics of chronic kidney disease of unknown etiology (CKDu) occur in Central America, Sri Lanka, India and beyond. Althoug also being observed in women, CKDu concentrates among men in agricultural sectors. Therefore, suspicions fell initially on pesticide exposure, but currently chronic heat stress and dehydration are considered key etiologic factors. Responding to persistent community and scientific concerns about the role of pesticides, we performed a systematic review of epidemiologic studies that addressed associations between any indicator of pesticide exposure and any outcome measure of CKD. Of the 21 analytical studies we identified, seven were categorized as with low, ten with medium and four with relatively high explanation value. Thirteen (62%) studies reported one or more positive associations, but four had a low explanation value and three presented equivocal results. The main limitations of both positive and negative studies were unspecific and unquantified exposure measurement ('pesticides'), the cross-sectional nature of most studies, confounding and selection bias. The four studies with stronger designs and better exposure assessment (from Sri Lanka, India and USA) all showed exposure-responses or clear associations, but for different pesticides in each study, and three of these studies were conducted in areas without CKDu epidemics. No study investigated interactions between pesticides and other concommittant exposures in agricultural occupations, in particular heat stress and dehydration. In conclusion, existing studies provide scarce evidence for an association between pesticides and regional CKDu epidemics but, given the poor pesticide exposure assessment in the majority, a role of nephrotoxic agrochemicals cannot be conclusively discarded. Future research should procure assessment of lifetime exposures to relevant specific pesticides and enough power to look into interactions with other major risk factors, in particular heat stress.
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Affiliation(s)
- Mathieu Valcke
- WHO-PAHO Collaborating Centre on Environmental and Occupational Health Impact Assessment and Surveillance INSPQ-CHUQ-DSPQ, 945, Avenue Wolfe, Québec, G1V 5B3 Canada
- Department of Environmental and Occupational Health, School of Public Health, Université de Montréal, C.P. 6128 Succursale Centre-Ville, Montreal, H3C 3J7 Canada
| | - Marie-Eve Levasseur
- WHO-PAHO Collaborating Centre on Environmental and Occupational Health Impact Assessment and Surveillance INSPQ-CHUQ-DSPQ, 945, Avenue Wolfe, Québec, G1V 5B3 Canada
| | - Agnes Soares da Silva
- Pan American Health Organization (PAHO), 525 Twenty-third Street, N.W, Washington DC, 20037 USA
| | - Catharina Wesseling
- Department of Occupational Medicine, Institute of Environmental Medicine (IMM), Karolinska Institutet, 171 77 Stockholm, SE Sweden
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