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Berkal MA, Toulme JJ, Nardin C. Rapid and specific detection of thiabendazole: enzymatic digestion-enabled fluorescent aptasensor. Anal Bioanal Chem 2024; 416:3295-3303. [PMID: 38696128 DOI: 10.1007/s00216-024-05309-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2024] [Revised: 03/29/2024] [Accepted: 04/03/2024] [Indexed: 05/21/2024]
Abstract
Thiabendazole, a widely used broad-spectrum fungicide in agriculture, poses risks to human health. To monitor its presence in water, we propose a fluorescent aptasensor utilizing Escherichia coli exonuclease I (Exo I). The findings demonstrate a linear correlation between thiabendazole concentrations and digestion percentage, with a detection limit (LOD) exceeding 1 µM and a determination coefficient (R2) of 0.959. This aptamer-based fluorescence spectroscopy detection system holds promise for a rapid, specific, and sensitive analysis of thiabendazole in environmental waters and food matrices.
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Affiliation(s)
| | | | - Corinne Nardin
- Universite de Pau Et Des Pays de L'Adour, E2S UPPA, CNRS, IPREM, Pau, France.
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Kangkhetkron T, Juntarawijit C. Pesticide exposure and lung cancer risk: A case-control study in Nakhon Sawan, Thailand. F1000Res 2024; 9:492. [PMID: 38435081 PMCID: PMC10904940 DOI: 10.12688/f1000research.24114.4] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 01/03/2024] [Indexed: 03/05/2024] Open
Abstract
Background Pesticide exposure might increase risk of lung cancer. The purpose of this study was to investigate the association between the historical use of pesticides and lung cancer using a case-control design. Methods This case-control study compared a lifetime pesticide exposure of 233 lung cancer cases, and 447 healthy neighbours matched for gender, and age (±5 years). Data on demographic, pesticide exposure and other related factors were collected using a face-to-face interview questionnaire. Associations between lung cancer and types of pesticides as well as individual pesticides were analysed using logistic regression adjusted for gender, age, cigarette smoking, occupation, cooking fumes exposure, and exposure to air pollution. Results It was found that lung cancer was positively associated with the lifetime use of herbicides and insecticides. Compared to people in the non-exposed groups, those in Q3-Q4 days of using herbicides and insecticides had an elevated risk of lung cancer, with odds ratio (OR) between 2.20 (95% confidence interval (CI) 1.24-3.89), and 3.99 (95% CI 1.62-7.11) (p < 0.001). For individual pesticides, those presenting a significant association with lung cancer were dieldrin (OR = 2.56; 95% CI 1.36-4.81), chlorpyrifos (OR = 3.29; 95 % CI 1.93-5.61), and carbofuran (OR = 2.10; 95% CI 1.28-3.42). It was also found, for the first time, carbofuran, glyphosate, and paraquat to be significantly associated with lung cancer. Conclusions The study confirmed dieldrin, and chlorpyrifos as risk factors and suggested carbofuran, glyphosate, and paraquat as potential risk factors for the disease. The paper stands as a noteworthy contribution to literature, particularly because the majority of publications on the topic originate from developed Western countries. However, further studies are imperative to validate the results and pinpoint additional individual pesticides that may be associated with lung cancer.
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Affiliation(s)
- Teera Kangkhetkron
- Department of Natural Resources and Environment, Faculty of Agriculture, Natural Resources and Environment, Naresuan University, Phitsanulok, 65000, Thailand
- Nakhon Sawan Provincial Public Health Office, Minstry of Public Health, Muang District, Nakhon Sawan, 60000, Thailand
| | - Chudchawal Juntarawijit
- Department of Natural Resources and Environment, Faculty of Agriculture, Natural Resources and Environment, Naresuan University, Muang District, Phitsanulok, 65000, Thailand
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3
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Berkal MA, Nardin C. Pesticide biosensors: trends and progresses. Anal Bioanal Chem 2023; 415:5899-5924. [PMID: 37668672 DOI: 10.1007/s00216-023-04911-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Revised: 08/08/2023] [Accepted: 08/10/2023] [Indexed: 09/06/2023]
Abstract
Pesticides, chemical substances extensively employed in agriculture to optimize crop yields, pose potential risks to human and environmental health. Consequently, regulatory frameworks are in place to restrict pesticide residue concentrations in water intended for human consumption. These regulations are implemented to safeguard consumer safety and mitigate any adverse effects on the environment and public health. Although gas chromatography- and liquid chromatography-mass spectrometry (GC-MS and LC-MS) are highly efficient techniques for pesticide quantification, their use is not suitable for real-time monitoring due to the need for sophisticated laboratory pretreatment of samples prior to analysis. Since they would enable analyte detection with selectivity and sensitivity without sample pretreatment, biosensors appear as a promising alternative. These consist of a bioreceptor allowing for specific recognition of the target and of a detection platform, which translates the biological interaction into a measurable signal. As early detection systems remain urgently needed to promptly alert and act in case of pollution, we review here the biosensors described in the literature for pesticide detection to advance their development for use in the field.
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Affiliation(s)
| | - Corinne Nardin
- Universite de Pau Et Des Pays de L'Adour, E2S UPPA, CNRS, IPREM, Pau, France.
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4
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Ruiz-Arias MA, Medina-Díaz IM, Bernal-Hernández YY, Barrón-Vivanco BS, González-Arias CA, Romero-Bañuelos CA, Verdín-Betancourt FA, Herrera-Moreno JF, Ponce-Vélez G, Gaspar-Ramírez O, Bastidas-Bastidas PDJ, González FB, Rojas-García AE. The situation of chlorpyrifos in Mexico: a case study in environmental samples and aquatic organisms. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2023; 45:6323-6351. [PMID: 37301778 DOI: 10.1007/s10653-023-01618-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Accepted: 05/11/2023] [Indexed: 06/12/2023]
Abstract
Chlorpyrifos (CPF) is one of the most commonly used organophosphate pesticides. Because CPF was described as a toxic compound without safe levels of exposure for children, certain countries in Latin America and the European Union have banned or restricted its use; however, in Mexico it is used very frequently. The aim of this study was to describe the current situation of CPF in Mexico, as well as its use, commercialization, and presence in soil, water, and aquatic organisms in an agricultural region of Mexico. Structured questionnaires were applied to pesticide retailers to determine the sales pattern of CPF (ethyl and methyl); in addition, monthly censuses were conducted with empty pesticide containers to assess the CPF pattern of use. Furthermore, samples of soil (48 samples), water (51 samples), and fish (31 samples) were collected, which were analyzed chromatographically. Descriptive statistics were performed. The results indicate that CPF was one of the most sold (3.82%) and employed OP (14.74%) during 2021. Only one soil sample was found above the CPF limit of quantification (LOQ); in contrast, all water samples had CPF levels above the LOQ (x̄ = 4614.2 ng/L of CPF). In the case of fish samples, 6.45% demonstrated the presence of methyl-CPF. In conclusion, the information obtained in this study indicates the need for constant monitoring in the area, since the presence of CPF in soil, water, and fish constitutes a threat to the health of wildlife and humans. Therefore, CPF should be banned in Mexico to avoid a serious neurocognitive health problem.
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Affiliation(s)
- Miguel Alfonso Ruiz-Arias
- Laboratorio de Contaminación y Toxicología Ambiental. Secretaría de Investigación y Posgrado, Universidad Autónoma de Nayarit, Ciudad de la Cultura S/N. Col. Centro, C.P. 63000, Tepic, Nayarit, México
- Programa de Doctorado en Ciencias Biológico Agropecuarias. Área de Ciencias Ambientales, Universidad Autónoma de Nayarit, Unidad Académica de Agricultura. Km. 9 Carretera Tepic-Compostela, C.P. 63780, Xalisco, Nayarit, México
| | - Irma Martha Medina-Díaz
- Laboratorio de Contaminación y Toxicología Ambiental. Secretaría de Investigación y Posgrado, Universidad Autónoma de Nayarit, Ciudad de la Cultura S/N. Col. Centro, C.P. 63000, Tepic, Nayarit, México
| | - Yael Yvette Bernal-Hernández
- Laboratorio de Contaminación y Toxicología Ambiental. Secretaría de Investigación y Posgrado, Universidad Autónoma de Nayarit, Ciudad de la Cultura S/N. Col. Centro, C.P. 63000, Tepic, Nayarit, México
| | - Briscia Socorro Barrón-Vivanco
- Laboratorio de Contaminación y Toxicología Ambiental. Secretaría de Investigación y Posgrado, Universidad Autónoma de Nayarit, Ciudad de la Cultura S/N. Col. Centro, C.P. 63000, Tepic, Nayarit, México
| | - Cyndia Azucena González-Arias
- Laboratorio de Contaminación y Toxicología Ambiental. Secretaría de Investigación y Posgrado, Universidad Autónoma de Nayarit, Ciudad de la Cultura S/N. Col. Centro, C.P. 63000, Tepic, Nayarit, México
| | - Carlos Alberto Romero-Bañuelos
- Laboratorio de Contaminación y Toxicología Ambiental. Secretaría de Investigación y Posgrado, Universidad Autónoma de Nayarit, Ciudad de la Cultura S/N. Col. Centro, C.P. 63000, Tepic, Nayarit, México
| | - Francisco Alberto Verdín-Betancourt
- Unidad Especializada de Ciencias Ambientales, CENITT, Av. Emilio M. González S/N, Ciudad del Conocimiento, Tepic, Nayarit, C.P. 63173, México
| | - José Francisco Herrera-Moreno
- Laboratorio de Contaminación y Toxicología Ambiental. Secretaría de Investigación y Posgrado, Universidad Autónoma de Nayarit, Ciudad de la Cultura S/N. Col. Centro, C.P. 63000, Tepic, Nayarit, México
| | - Guadalupe Ponce-Vélez
- Instituto de Ciencias del Mar y Limnología, Universidad Nacional Autónoma de México, C.P. 04510, Cd. de México, México
| | - Octavio Gaspar-Ramírez
- Centro de Investigación y Asistencia en Tecnología y Diseño del Estado de Jalisco, Unidad Noreste (CIATEJ), Apodaca, N.L, C.P. 66629, Mexico
| | - Pedro de Jesús Bastidas-Bastidas
- Laboratorio Nacional para la Investigación en Inocuidad Alimentaria (Residuos de Plaguicidas), Centro de Investigación en Alimentación Y Desarrollo, A.C. (CIAD), Carretera a Eldorado Km. 5.5, Unidad Culiacán, C.P. 80110, Mexico
| | - Fernando Bejarano González
- Red de Acción Sobre Plaguicidas y Alternativas en México, A. C. (RAPAM), Amado Nervo 23, Int. 3, Col. San Juanito, C.P. 56121, Texcoco, Estado de México, Mexico
| | - Aurora Elizabeth Rojas-García
- Laboratorio de Contaminación y Toxicología Ambiental. Secretaría de Investigación y Posgrado, Universidad Autónoma de Nayarit, Ciudad de la Cultura S/N. Col. Centro, C.P. 63000, Tepic, Nayarit, México.
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5
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Oltramare C, Mediouni Z, Shoman Y, Hopf NB, Graczyk H, Berthet A. Determinants of Pesticide Exposure in Occupational Studies: A Meta-Analysis. TOXICS 2023; 11:623. [PMID: 37505588 PMCID: PMC10386710 DOI: 10.3390/toxics11070623] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Revised: 07/13/2023] [Accepted: 07/15/2023] [Indexed: 07/29/2023]
Abstract
Few epidemiological studies use exposure determinants specifically tailored to assess pesticide or plant protection product (PPP) exposures when assessing presumed association between occupational exposure and health outcomes among agricultural workers. This lack of exposure specificity could lead to results that fail to detect an association. It could be related to the lack of consensus on exposure assessment methods and the choice of exposure determinants. We conducted a meta-analysis following the PRISMA checklist to identify PPP exposure determinants used in occupational studies and identified exposure determinants that best characterized agricultural exposures to PPPs. Out of 1436 studies identified, 71 were included. The exposure determinants identified were active ingredients, chemical classes, types of PPP, crops, tasks, frequencies, duration, lifetime exposure days, and intensity-weighted exposure days. Only six over 17 associations between exposure determinants and health outcomes were found with moderate quality of evidence. Overall, epidemiological studies had difficulty defining relevant determinants to characterize PPP exposures for agricultural workers. We recommend that a standardized list of determinants for PPP exposures in occupational exposure studies should include information on formulations, intensity, duration, and frequency of PPP exposure. Harmonized data collection on exposure and health outcomes are required as well as standard units for each exposure determinant.
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Affiliation(s)
- Christelle Oltramare
- Center for Primary Care and Public Health (Unisanté), Department of Occupational and Environmental Health (DSTE), University of Lausanne, 1066 Epalinges-Lausanne, Switzerland
| | - Zakia Mediouni
- Center for Primary Care and Public Health (Unisanté), Department of Occupational and Environmental Health (DSTE), University of Lausanne, 1066 Epalinges-Lausanne, Switzerland
| | - Yara Shoman
- Center for Primary Care and Public Health (Unisanté), Department of Occupational and Environmental Health (DSTE), University of Lausanne, 1066 Epalinges-Lausanne, Switzerland
| | - Nancy B Hopf
- Center for Primary Care and Public Health (Unisanté), Department of Occupational and Environmental Health (DSTE), University of Lausanne, 1066 Epalinges-Lausanne, Switzerland
| | - Halshka Graczyk
- International Labour Organization (ILO), 1211 Geneva, Switzerland
| | - Aurélie Berthet
- Center for Primary Care and Public Health (Unisanté), Department of Occupational and Environmental Health (DSTE), University of Lausanne, 1066 Epalinges-Lausanne, Switzerland
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Kim D, Jeong J, Choi J. Exploring the potential of ToxCast™ data for mechanism-based prioritization of chemicals in regulatory context: Case study with priority existing chemicals (PECs) under K-REACH. Regul Toxicol Pharmacol 2023:105439. [PMID: 37392832 DOI: 10.1016/j.yrtph.2023.105439] [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: 01/20/2023] [Revised: 04/26/2023] [Accepted: 06/29/2023] [Indexed: 07/03/2023]
Abstract
Recent studies have highlighted the potential of ToxCast™ database to mechanism-based prioritization of chemicals. To explore the applicability of ToxCast data in the context of regulatory inventory chemicals, we screened 510 priority existing chemicals (PECs) regulated under the Act on the Registration and Evaluation of Chemical Substances (K-REACH) using ToxCast bioassays. In our analysis, a hit-call data matrix containing 298984 chemical-gene interactions was computed for 949 bioassays with the intended target genes, which enabled the identification of the putative toxicity mechanisms. Based on the reactivity to the chemicals, we analyzed 412 bioassays whose intended target gene families were cytochrome P450, oxidoreductase, transporter, nuclear receptor, steroid hormone, and DNA-binding. We also identified 141 chemicals based on their reactivity in the bioassays. These chemicals are mainly in consumer products including colorants, preservatives, air fresheners, and detergents. Our analysis revealed that in vitro bioactivities were involved in the relevant mechanisms inducing in vivo toxicity; however, this was not sufficient to predict more hazardous chemicals. Overall, the current results point to a potential and limitation in using ToxCast data for chemical prioritization in regulatory context in the absence of suitable in vivo data.
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Affiliation(s)
- Donghyeon Kim
- School of Environmental Engineering, University of Seoul, 163 Seoulsiripdae-ro, Dongdaemun-gu, Seoul, 02504, Republic of Korea
| | - Jaeseong Jeong
- School of Environmental Engineering, University of Seoul, 163 Seoulsiripdae-ro, Dongdaemun-gu, Seoul, 02504, Republic of Korea
| | - Jinhee Choi
- School of Environmental Engineering, University of Seoul, 163 Seoulsiripdae-ro, Dongdaemun-gu, Seoul, 02504, Republic of Korea.
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7
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Nilles JD, Lim D, Boyer MP, Wilson BD, Betar RA, Showalter HA, Liu D, Ananieva EA. The occurrence of bone and joint cancers and their association with rural living and radon exposure in Iowa. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2023; 45:925-940. [PMID: 35381949 PMCID: PMC8983034 DOI: 10.1007/s10653-022-01261-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Accepted: 03/17/2022] [Indexed: 06/14/2023]
Abstract
Primary bone and joint cancers are rare and understudied, yet these neoplasms are difficult to treat and impact all age groups. To explore the long-term changes in the occurrence of bone and joint cancers, patients diagnosed with these neoplasms between 1975 and 2016 were identified in the Surveillance Epidemiology and End Results of the National Cancer Institute of the USA. The age-adjusted incidence (AAIR) and mortality (AAMR) rates were calculated for three decades and compared to AAIR and AAMR in years 1975-1984. By using the population-based cancer registries of the USA, Iowa was identified as a state with increased cases of bone and joint malignancies. The bone and joint cancer cases in Iowa were correlated with the percentage of rural population, the average farmland size, or the residential radon levels. Results demonstrated that the mean AAIR of bone and joint cancers for US female and male patients (< 50 years of age) increased from 0.57 (95% C.I. 0.55-0.63) and 0.76 (95% C.I. 0.69-0.82) for years 1975-1984 to 0.71 (95% C.I. 0.66-0.76) and 0.94 (95% C.I. 0.87-1.07) for years 2005-2014, respectively. The increase in bone and joint cancer cases in Iowa positively correlated with the percentage rural population (R = 0.222, P < 0.02), and the average farmland size (R = 0.236, P < 0.02) but not the radon levels (R = - 0.038, P < 0.7). The findings revealed that patients younger than 50 years of age and those who resided in rural areas and engaged in farming were more likely to be diagnosed with primary bone and joint cancers.
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Affiliation(s)
- Jonathan D Nilles
- Department of Biochemistry and Nutrition, Des Moines University, 3200 Grand Avenue, Des Moines, IA, 50312, USA
| | - Dooyoung Lim
- Department of Public Health, Des Moines University, 3200 Grand Avenue, Des Moines, IA, 50312, USA
| | - Michael P Boyer
- Department of Biochemistry and Nutrition, Des Moines University, 3200 Grand Avenue, Des Moines, IA, 50312, USA
| | - Brittany D Wilson
- Department of Biochemistry and Nutrition, Des Moines University, 3200 Grand Avenue, Des Moines, IA, 50312, USA
| | - Rebekah A Betar
- Department of Biochemistry and Nutrition, Des Moines University, 3200 Grand Avenue, Des Moines, IA, 50312, USA
| | - Holly A Showalter
- Waukee Aspiring Professional Experience (APEX), 295 SE Ashworth Road, Waukee, IA, 50263, USA
| | - Darren Liu
- Department of Public Health, Des Moines University, 3200 Grand Avenue, Des Moines, IA, 50312, USA
| | - Elitsa A Ananieva
- Department of Biochemistry and Nutrition, Des Moines University, 3200 Grand Avenue, Des Moines, IA, 50312, USA.
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Herbicides widely used in the world: an investigation of toxic effects on Caenorhabditis elegans. Biol Futur 2023:10.1007/s42977-023-00152-9. [PMID: 36639591 DOI: 10.1007/s42977-023-00152-9] [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: 05/01/2022] [Accepted: 01/06/2023] [Indexed: 01/15/2023]
Abstract
Dicamba, paraquat, picloram, clopyralid and linuron are herbicides widely used in agriculture. The aim of the present study is to evaluate the toxicity effects of the herbicides used on survival, fertility and length of Caenorhabditis elegans. Kaplan-Meier Survival Analysis method was used to identify the toxicity effect of herbicides on survival, and ANOVA and Post Hoc tests were used to determine the toxicity effects on fertility and length. In the study, C. elegans was exposed to 5 different concentrations (62.5, 125, 250, 500, 1000 µM) of each herbicide. When the results were evaluated, it was observed that survival (life span) and length (physical growth) were more affected, respectively, by paraquat, dicamba, linuron, picloram and clopyralid herbicides, fertility (egg productivity) were more affected, respectively, by paraquat, linuron, dicamba, picloram and clopyralid herbicides. As a result, it was determined that increasing the dose amounts of herbicides caused many toxic reactions on C. elegans, affecting survival, egg productivity and length.
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Hosseini B, Olsson A, Bouaoun L, Hall A, Hadji M, Rashidian H, Naghibzadeh-Tahami A, Marzban M, Najafi F, Haghdoost AA, Boffetta P, Kamangar F, Pukkala E, Etemadi A, Weiderpass E, Schüz J, Zendehdel K. Lung cancer risk in relation to jobs held in a nationwide case-control study in Iran. Occup Environ Med 2022; 79:831-838. [PMID: 36379677 PMCID: PMC9685687 DOI: 10.1136/oemed-2022-108463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Accepted: 08/24/2022] [Indexed: 01/07/2023]
Abstract
BACKGROUND Globally, lung cancer is the most frequent occupational cancer, but the risk associated with the occupations or occupational environment in Iran is not clear. We aimed to assess occupations with the risk of lung cancer. METHODS We used the IROPICAN nationwide case-control study data including 658 incident lung cancer cases and 3477 controls. We assessed the risk of lung cancer in relation to ever working in major groups of International Standard Classification of Occupations, high-risk occupations for lung cancer and duration of employment and lung cancer subtype among construction workers and farmers while controlling for cigarette smoking and opium consumption. We used unconditional regression logistic models to estimate ORs for the association between increased lung cancer risk and occupations. RESULTS We observed elevated ORs for lung cancer in male construction workers (OR=1.4; 95% CI: 1.0 to 1.8), petroleum industry workers (OR=3.2; 95% CI: 1.1 to 9.8), female farmers (OR=2.6; 95% CI: 1.3 to 5.3) and female bakers (OR=5.5; 95% CI: 1.0 to 29.8). A positive trend by the duration of employment was observed for male construction workers (p< 0.001). Increased risk of squamous cell carcinoma was observed in male construction workers (OR=1.9; 95% CI: 1.2 to 3.0) and female farmers (OR=4.3; 95% CI: 1.1 to 17.2), who also experienced an increased risk of adenocarcinoma (OR=3.8; 95% CI: 1.4 to 9.9). DISCUSSION Although we observed associations between some occupations and lung cancer consistent with the literature, further studies with larger samples focusing on exposures are needed to better understand the occupational lung cancer burden in Iran.
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Affiliation(s)
- Bayan Hosseini
- Environment and Lifestyle Epidemiology Branch, International Agency for Research on Cancer (IARC), Lyon, France
- Cancer Research Center, Cancer Institute of the Islamic Republic of Iran, Tehran, The Islamic Republic of Iran
| | - Ann Olsson
- Environment and Lifestyle Epidemiology Branch, International Agency for Research on Cancer (IARC), Lyon, France
| | - Liacine Bouaoun
- Environment and Lifestyle Epidemiology Branch, International Agency for Research on Cancer (IARC), Lyon, France
| | - Amy Hall
- Research Directorate, Veterans Affairs Canada, Charlottetown, Prince Edward Island, Canada
| | - Maryam Hadji
- Cancer Research Center, Cancer Institute of the Islamic Republic of Iran, Tehran, The Islamic Republic of Iran
- Health Sciences Unit, Faculty of Social Sciences, University of Tampere Faculty of Social Sciences, Tampere, Finland
| | - Hamideh Rashidian
- Cancer Research Center, Cancer Institute of the Islamic Republic of Iran, Tehran, The Islamic Republic of Iran
| | - Ahmad Naghibzadeh-Tahami
- Department of Epidemiology and Biostatistics, Kerman University of Medical Sciences, Kerman, The Islamic Republic of Iran
- Social Determinants of Health Research Center, Institute for Futures Studies in Health, Kerman University of Medical Sciences, Kerman, The Islamic Republic of Iran
| | - Maryam Marzban
- Clinical Research Development Center, The Persian Gulf Martyrs, Boushehr University of Medical Sciences, Bushehr, The Islamic Republic of Iran
| | - Farid Najafi
- Research Center for Environmental Determinants of Health, School of Public Health, Kermanshah University of Medical Sciences, Kermanshah, The Islamic Republic of Iran
- Social Development and Health Promotion Research Center, Kermanshah University of Medical Sciences, Kermanshah, The Islamic Republic of Iran
| | - Ali Akbar Haghdoost
- Kerman University of Medical Sciences Department of Epidemiology and Biostatistics, Kerman, The Islamic Republic of Iran
| | - Paolo Boffetta
- Stony Brook Cancer Center, Stony Brook University, Stony Brook, New York, USA
- Department of Medical and Surgical Sciences, University of Bologna, Bologna, Italy
| | - Farin Kamangar
- Department of Biology, Morgan State University School of Computer Mathematical and Natural Sciences, Baltimore, Maryland, USA
| | - Eero Pukkala
- Health Sciences Unit, Faculty of Social Sciences, Tampere University, Tampere, Finland
- Finnish Cancer Registry, Cancer Society of Finland Institute for Statistical and Epidemiological Cancer Research, Helsinki, Finland
| | - Arash Etemadi
- National Cancer Institute Division of Cancer Epidemiology and Genetics, Bethesda, Maryland, USA
| | - Elisabete Weiderpass
- Environment and Lifestyle Epidemiology Branch, International Agency for Research on Cancer (IARC), Lyon, France
| | - Joachim Schüz
- Environment and Lifestyle Epidemiology Branch, International Agency for Research on Cancer (IARC), Lyon, France
| | - Kazem Zendehdel
- Cancer Research Center, Cancer Institute of the Islamic Republic of Iran, Tehran, The Islamic Republic of Iran
- Cancer Biology Research Center, Cancer Institute of the Islamic Republic of Iran, Tehran, The Islamic Republic of Iran
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Ren L, Li W, Li Q, Zhang D, Fang W, Yan D, Li Y, Wang Q, Jin X, Cao A. Metolachlor metal-organic framework nanoparticles for reducing leaching, ecotoxicity and improving bioactivity. PEST MANAGEMENT SCIENCE 2022; 78:5366-5378. [PMID: 36057859 DOI: 10.1002/ps.7159] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Revised: 08/25/2022] [Accepted: 09/04/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND The adverse effects of pesticides has led to a series of ecological, environmental and public health issues. Amide herbicides are an important agrochemical, yet many are prone to leach and pollute the environment, which limits their further application. In this study, metolachlor (METO) was selected as a model pesticide and a controlled released nanoparticle (NP) system was constructed employing a zeolitic imidazolate framework-8 hybrid inorganic-organic porous material (METO@ZIF-8). RESULTS The synthesis parameters of METO@ZIF-8 were optimized, and the loading content of METO@ZIF-8 was maximized by a central composite design of response surface test. The NPs were regular dodecahedron with uniform size (mostly 54.3 nm diameter). METO@ZIF-8 had high specific surface area and good dispersal in water. Moreover, it endowed the active ingredient with a pH-responsive release property. The nanocarrier effectively improved the adsorption capacity of METO in soil and reduce the leaching by 10.3-21.7%. Pot experiments suggested that the control effect of METO@ZIF-8 was 16.6 and 48.4% higher than that of METO emulsifiable concentrate (EC) and METO technical concentration (TC) at the recommended dose. Based on the excellent controlled release profiles, METO@ZIF-8 did not affect corn plant growth and significantly reduced the risk of phytotoxicity induced by METO. METO@ZIF-8 effectively reduced acute toxicity in zebrafish compared with METO EC. CONCLUSION This study explored the fabrication of a nanocarrier for improving the efficacy and promoting the environmental safety of leachable amide herbicides. © 2022 Society of Chemical Industry.
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Affiliation(s)
- Lirui Ren
- Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Wenjing Li
- Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Qingjie Li
- Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Daqi Zhang
- Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Wensheng Fang
- Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Dongdong Yan
- Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Yuan Li
- Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Qiuxia Wang
- Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Xi Jin
- Hebei Technology Innovation Center for Green Management of Soil-borne Diseases, Baoding University, Baoding, China
| | - Aocheng Cao
- Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
- Hebei Technology Innovation Center for Green Management of Soil-borne Diseases, Baoding University, Baoding, China
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11
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Lee H, An G, Lim W, Song G. Pendimethalin exposure induces bovine mammary epithelial cell death through excessive ROS production and alterations in the PI3K and MAPK signaling pathways. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2022; 188:105254. [PMID: 36464334 DOI: 10.1016/j.pestbp.2022.105254] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Revised: 09/13/2022] [Accepted: 09/20/2022] [Indexed: 06/17/2023]
Abstract
Herbicides are chemicals that have been established to have adverse impacts. However, they are still widely used in agriculture. Pendimethalin (PDM) is an herbicide that is widely used in many countries to control annual grasses. The possibility of livestock being exposed to PDM is relatively high, considering the half-life of PDM and its residues in water, soil and crops. However, the toxicity of PDM in cattle, especially in the mammary glands, has not been reported. Therefore, we investigated whether PDM has toxic effects in the mammary epithelial cells (MAC-T) of cattle. MAC-T cells were treated with various doses (0, 2.5, 5 and 10 μM) of PDM. We found that PDM affected cell viability and cell proliferation and causes cell cycle arrest. Furthermore, PDM triggered cell apoptosis, induced excessive ROS production and mitochondrial membrane potential (MMP) loss, and disrupted calcium homeostasis. In addition, PDM altered the activation of proteins associated with the endoplasmic reticulum (ER) stress response and modified PI3K and MAPK signaling cascades. In conclusion, our current study unveiled the mechanism of PDM in MAC-T cells and we suggest that PDM might be harmful to the mammary gland system of cattle, possibly affecting milk production.
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Affiliation(s)
- Hojun Lee
- Institute of Animal Molecular Biotechnology and Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul, 02841, Republic of Korea
| | - Garam An
- Institute of Animal Molecular Biotechnology and Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul, 02841, Republic of Korea
| | - Whasun Lim
- Department of Biological Sciences, College of Science, Sungkyunkwan University, Suwon 16419, Republic of Korea.
| | - Gwonhwa Song
- Institute of Animal Molecular Biotechnology and Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul, 02841, Republic of Korea.
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Giglio A, Vommaro ML. Dinitroaniline herbicides: a comprehensive review of toxicity and side effects on animal non-target organisms. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:76687-76711. [PMID: 36175724 PMCID: PMC9581837 DOI: 10.1007/s11356-022-23169-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/06/2022] [Accepted: 09/18/2022] [Indexed: 05/23/2023]
Abstract
The widespread use of herbicides has increased concern about the hazards and risks to animals living in terrestrial and aquatic ecosystems. A comprehensive understanding of their effective action at different levels of biological organization is critical for establishing guidelines to protect ecosystems and human health. Dinitroanilines are broad-spectrum pre-emergence herbicides currently used for weed control in the conventional agriculture. They are considered extremely safe agrochemicals because they act specifically on tubulin proteins and inhibit shoot and root growth of plants. However, there is a lack of toxicity information regarding the potential risk of exposure to non-target organisms. The aim of the present review is to focus on side effects of the most commonly used active ingredients, e.g. pendimethalin, oryzalin, trifluralin and benfluralin, on animal non-target cells of invertebrates and vertebrates. Acute toxicity varies from slightly to high in terrestrial and aquatic species (i.e. nematodes, earthworms, snails, insects, crustaceans, fish and mammals) depending on the species-specific ability of tested organisms to adsorb and discharge toxicants. Cytotoxicity, genotoxicity and activation of oxidative stress pathways as well as alterations of physiological, metabolic, morphological, developmental and behavioural traits, reviewed here, indicate that exposure to sublethal concentrations of active ingredients poses a clear hazard to animals and humans. Further research is required to evaluate the molecular mechanisms of action of these herbicides in the animal cell and on biological functions at multiple levels, from organisms to communities, including the effects of commercial formulations.
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Affiliation(s)
- Anita Giglio
- Department of Biology, Ecology and Earth Science, University of Calabria, via Bucci, 87036, Rende, Italy.
| | - Maria Luigia Vommaro
- Department of Biology, Ecology and Earth Science, University of Calabria, via Bucci, 87036, Rende, Italy
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13
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Cabréra L, Auguste A, Michineau L, Joachim C, Deloumeaux J, Luce D. Lung Cancer in the French West Indies: Role of Sugarcane Work and Other Occupational Exposures. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:13444. [PMID: 36294021 PMCID: PMC9603435 DOI: 10.3390/ijerph192013444] [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: 09/17/2022] [Revised: 10/11/2022] [Accepted: 10/14/2022] [Indexed: 06/16/2023]
Abstract
OBJECTIVE Our aim was to study the role of occupational exposures in lung cancer risk in the French West Indies, with special attention to some specific activities, such as sugarcane work, that can only be studied in a limited number of populations. METHODS We used data from a population-based case-control study that included 147 incident lung cancer cases and 405 controls. Smoking histories and detailed occupational histories with descriptions of tasks and substances were collected by questionnaire during face-to-face interviews. Odds ratios (OR) adjusted for sex, age, region, smoking status, and cigarette pack-years and 95% confidence intervals (95% CI) were estimated by unconditional logistic regression. RESULTS Significantly increased risks of lung cancer were found in sugarcane farm workers (OR = 2.7; 95% CI 1.1-6.6) and more generally in the sugarcane-growing sector (OR = 2.5; 95% CI 1.0-6.3) and to a lesser extent in rum production. Elevated risks of lung cancer were also observed among other agricultural workers, painters, warehouse porters, labourers, and maintenance and motor vehicle repair workers. Exposure to herbicides in sugarcane cultivation was associated with an increased risk of lung cancer (OR = 2.6; 95% CI 0.9-7.6). CONCLUSION These results show that occupational exposures contributed to lung cancer risk in the French West Indies, and highlighted the role of exposures related to sugarcane work.
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Affiliation(s)
- Léïla Cabréra
- Irset (Institut de recherche en santé, environnement et travail)-UMR_S 1085, EHESP, Inserm, Univ Rennes, F-97100 Pointe-à-Pitre, Guadeloupe, France
| | - Aviane Auguste
- Irset (Institut de recherche en santé, environnement et travail)-UMR_S 1085, EHESP, Inserm, Univ Rennes, F-97100 Pointe-à-Pitre, Guadeloupe, France
| | - Léah Michineau
- Irset (Institut de recherche en santé, environnement et travail)-UMR_S 1085, EHESP, Inserm, Univ Rennes, F-97100 Pointe-à-Pitre, Guadeloupe, France
| | - Clarisse Joachim
- Martinique Cancer Registry, UF 1441 Registre des cancers, Pôle de Cancérologie Hématologie Urologie Pathologie, University Hospital of Martinique, F-97200 Fort-de-France, Martinique, France
| | - Jacqueline Deloumeaux
- General Cancer Registry of Guadeloupe, University Hospital of Guadeloupe, F-97100 Pointe-à-Pitre, Guadeloupe, France
| | - Danièle Luce
- Irset (Institut de recherche en santé, environnement et travail)-UMR_S 1085, EHESP, Inserm, Univ Rennes, F-97100 Pointe-à-Pitre, Guadeloupe, France
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14
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Duarte LE, Delgado F, Di Leo NC, Bertone CL, Franci Alvarez M, Montico S, Oliva A. [Mortality from cancer, arsenic, and nitrates in drinking water and cropland in ArgentinaMortalidade por câncer, arsênio e nitratos na água para consumo humano e em áreas semeadas na Argentina]. Rev Panam Salud Publica 2022; 46:e129. [PMID: 36060206 PMCID: PMC9426947 DOI: 10.26633/rpsp.2022.129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Accepted: 05/23/2022] [Indexed: 11/24/2022] Open
Abstract
Objective Cancer mortality in the central region of Argentina is among the highest in the country. Two possible environmental factors could explain this situation: agricultural activity and drinking water quality. The objective of the study is to evaluate the interaction between these variables. Methods This is a retrospective ecological study. Total cropland over 10-year periods as well as the percentage of the population exposed to high levels of arsenic and nitrates in drinking water were analyzed and compared to total mortality rates (TMR) and organ-specific mortality rates (SMR); the Spearman's rank correlation coefficient was then calculated. Results Positive and significant correlations were found between the first two 10-year periods of total cropland and the first 10-year period of TMR, as well as correlations with lung, pancreatic, and colon cancers in men and colon cancer in women. Elevated arsenic levels are associated with TMR in both sexes across all 10-year periods but are specifically associated with lung cancer in men. No significant correlation was found with nitrates. Conclusions The association between total cropland and TMR/SMR is stronger with proximity over time, with greater impact from the oldest crops. The association between TMR and consumption of water containing arsenic, as well as the association with lung SMR in men and colon SMR in women, show that exposure over time is essential to understanding regional epidemiological conditions. The synergy between these variables should be explored.
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Affiliation(s)
- Leandro Emanuel Duarte
- Programa Medio Ambiente y Salud (PROMAS) Centro de Estudios interdisciplinarios Universidad Nacional de Rosario Argentina Programa Medio Ambiente y Salud (PROMAS), Centro de Estudios interdisciplinarios, Universidad Nacional de Rosario, Argentina
| | - Florencia Delgado
- Programa Medio Ambiente y Salud (PROMAS) Centro de Estudios interdisciplinarios Universidad Nacional de Rosario Argentina Programa Medio Ambiente y Salud (PROMAS), Centro de Estudios interdisciplinarios, Universidad Nacional de Rosario, Argentina
| | - Néstor Cristian Di Leo
- Centro de Estudios Territoriales (CET) Facultad de Ciencias Agrarias, Universidad Nacional de Rosario Argentina Centro de Estudios Territoriales (CET), Facultad de Ciencias Agrarias, Universidad Nacional de Rosario, Argentina
| | - Carola Leticia Bertone
- Centro de Investigación e Innovación Tecnológica Universidad Nacional de La Rioja Argentina Centro de Investigación e Innovación Tecnológica, Universidad Nacional de La Rioja, Argentina
| | - María Franci Alvarez
- Instituto Académico Pedagógico de Ciencias Sociales Universidad Nacional de Villa María Argentina Instituto Académico Pedagógico de Ciencias Sociales, Universidad Nacional de Villa María, Argentina
| | - Sergio Montico
- Centro de Estudios Territoriales (CET) Facultad de Ciencias Agrarias, Universidad Nacional de Rosario Argentina Centro de Estudios Territoriales (CET), Facultad de Ciencias Agrarias, Universidad Nacional de Rosario, Argentina
| | - Alejandro Oliva
- Programa Medio Ambiente y Salud (PROMAS) Centro de Estudios interdisciplinarios Universidad Nacional de Rosario Argentina Programa Medio Ambiente y Salud (PROMAS), Centro de Estudios interdisciplinarios, Universidad Nacional de Rosario, Argentina
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15
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Imran I, Ansari A, Saleem S, Azhar A, Zehra S. Insights of OPs and PYR cytotoxic potential Invitro and genotoxic impact on PON1 genetic variant among exposed workers in Pakistan. Sci Rep 2022; 12:9498. [PMID: 35680920 PMCID: PMC9184543 DOI: 10.1038/s41598-022-13454-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Accepted: 05/17/2022] [Indexed: 11/20/2022] Open
Abstract
Different pesticide chemicals are used to enhance crop yield by protecting from pests. Organophosphate (OPs) and Pyrethroid (PYR) are used in fields of Sanghar, Sindh Pakistan. PON1 an antioxidant enzyme implicated in OPs detoxification may predispose by OPs chronic exposure. This study was conducted to evaluate the toxic potential of active pesticide chemicals at cellular and genetic levels. To examine toxic potential, locally consumed pesticide n = 2 and reference pesticide compounds organophosphate (OPs): Chloropyrifos, Malathion and Pyrethroid (PYR): Cyprmethrin, Cyhalothrin n = 4 were tested against NIH 3T3 cells using MTS assay. Local consumer pesticides demonstrated relevance for half-maximum inhibitory concentration (IC50) 0.00035 mg/mL with selected compound. Malathion IC50 exhibited the highest cytotoxicity among four compounds at 0.0005 mg/mL. On genotoxicity analysis in exposed subjects n = 100 genotypes and alleles n = 200 exhibited significant differences in genotypic and allelic frequencies of pesticide exposed subjects and controls n = 150 (X2 = 22.9, p = 0.001). Screening of genotypes were performed by PCR- RFLP. Statistical assessment carried out using online software and tools. Results suggested that higher heterozygous genotype A/G (74%) may confer low PON1 metabolic activity towards pesticides in exposed subjects. Findings could be helpful to establish health plans by avoiding toxic chemicals that harming exposed population.
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Affiliation(s)
- Iffat Imran
- The Karachi Institute of Biotechnology and Genetic Engineering (KIBGE), University of Karachi, Karachi, 75270, Pakistan.
| | - Asma Ansari
- The Karachi Institute of Biotechnology and Genetic Engineering (KIBGE), University of Karachi, Karachi, 75270, Pakistan
| | - Saima Saleem
- The Karachi Institute of Biotechnology and Genetic Engineering (KIBGE), University of Karachi, Karachi, 75270, Pakistan
| | - Abid Azhar
- The Karachi Institute of Biotechnology and Genetic Engineering (KIBGE), University of Karachi, Karachi, 75270, Pakistan
| | - Sitwat Zehra
- The Karachi Institute of Biotechnology and Genetic Engineering (KIBGE), University of Karachi, Karachi, 75270, Pakistan.
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16
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Joseph N, Propper CR, Goebel M, Henry S, Roy I, Kolok AS. Investigation of Relationships Between the Geospatial Distribution of Cancer Incidence and Estimated Pesticide Use in the U.S. West. GEOHEALTH 2022; 6:e2021GH000544. [PMID: 35599961 PMCID: PMC9121053 DOI: 10.1029/2021gh000544] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Revised: 03/31/2022] [Accepted: 05/04/2022] [Indexed: 05/24/2023]
Abstract
The objective of the study was to evaluate the potential geospatial relationship between agricultural pesticide use and two cancer metrics (pediatric cancer incidence and total cancer incidence) across each of the 11 contiguous states in the Western United States at state and county resolution. The pesticide usage data were collected from the U.S. Geological Survey Pesticide National Synthesis Project database, while cancer data for each state were compiled from the National Cancer Institute State Cancer Profiles. At the state spatial scale, this study identified a significant positive association between the total mass of fumigants and pediatric cancer incidence, and also between the mass of one fumigant in particular, metam, and total cancer incidence (P-value < 0.05). At the county scale, the relationship of all cancer incidence to pesticide usage was evaluated using a multilevel model including pesticide mass and pesticide mass tertiles. Low pediatric cancer rates in many counties precluded this type of evaluation in association with pesticide usage. At the county scale, the multilevel model using fumigant mass, fumigant mass tertiles, county, and state predicted the total cancer incidence (R-squared = 0.95, NSE = 0.91, and Sum of square of residuals [SSR] = 8.22). Moreover, this study identified significant associations between total fumigant mass, high and medium tertiles of fumigant mass, total pesticide mass, and high tertiles of pesticide mass relative to total cancer incidence across counties. Fumigant application rate was shown to be important relative to the incidence of total cancer and pediatric cancer, at both state and county scales.
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Affiliation(s)
- Naveen Joseph
- Idaho Water Resources Research InstituteUniversity of IdahoMoscowIDUSA
| | | | - Madeline Goebel
- Idaho Water Resources Research InstituteUniversity of IdahoMoscowIDUSA
| | - Shantel Henry
- Department of Biological SciencesNorthern Arizona UniversityFlagstaffAZUSA
| | - Indrakshi Roy
- Center for Health Equity ResearchNorthern Arizona UniversityFlagstaffAZUSA
| | - Alan S. Kolok
- Idaho Water Resources Research InstituteUniversity of IdahoMoscowIDUSA
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17
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Nagtilak M, Pawar S, Labade S, Khilare C, Sawant S. Study of the binding interaction between bovine serum albumin and carbofuran insecticide: Multispectroscopic and molecular docking techniques. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2021.131597] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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18
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Khare P, Singh VK, Pathak AK, Bala L. Serum deprivation enhanced monocrotophos mediated cellular damages in human lung carcinoma and skin keratinocyte. GENE REPORTS 2022. [DOI: 10.1016/j.genrep.2022.101562] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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19
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de Graaf L, Boulanger M, Bureau M, Bouvier G, Meryet-Figuiere M, Tual S, Lebailly P, Baldi I. Occupational pesticide exposure, cancer and chronic neurological disorders: A systematic review of epidemiological studies in greenspace workers. ENVIRONMENTAL RESEARCH 2022; 203:111822. [PMID: 34352232 DOI: 10.1016/j.envres.2021.111822] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 07/29/2021] [Accepted: 07/30/2021] [Indexed: 06/13/2023]
Abstract
CONTEXT The greenspace sector includes a broad range of occupations: gardeners, landscapers, municipal workers, maintenance operators of public facilities, golf-course employees and other sports facilities, horticulturists, plant and tree nursery workers etc. The health impact of occupational pesticide exposure has mainly been studied among farmers. Other professionals such as greenspace workers are also extremely exposed, presenting specific exposure features (practices, types of pesticide used). The aim of this review was to summarize epidemiological literature that examine the relationship between pesticide exposure and the risk of cancer and long-term health effects in greenspace workers. METHOD Six main groups of greenspace workers were identified and examined through a systematic literature review based on PubMed and Scopus. The studies were then grouped according to their design, health outcomes and the type of population studied. RESULTS Forty-four articles were selected among the 1679 identified. Fifteen studies were conducted exclusively among greenspace workers, while ten also studied these workers with other pesticide applicators. Six were cohorts from the general population in which greenspace workers were identified. Elevated risks were found in several studies for leukaemia, soft-tissue sarcoma, multiple myeloma, non-Hodgkin lymphoma and Parkinson's disease. DISCUSSION The majority of studies used rough parameters for defining exposure such as job titles which could lead to the misclassification of exposure, with the risk of false or positive negative conclusions. Health outcomes were mainly collected through registries or death certificates, and information regarding potential confounders was often missing. CONCLUSION The review identified only 15 studies conducted exclusively among greenspace workers. Elevated risk was found for several sites of cancer and Parkinson's diseases. Further epidemiological research is needed, conducted specifically on these workers, to better characterize this population, its exposure to pesticides and the related health effects.
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Affiliation(s)
- L de Graaf
- ISPED, Université de Bordeaux, 146 rue Léo Saignat, 33076, Bordeaux, France; INSERM U1219 Epicene, 146 rue Léo Saignat, 33076, Bordeaux, France.
| | - M Boulanger
- INSERM U1086 Anticipe, 3 avenue Général Harris, 14000, Caen, France; Centre de Lutte contre le Cancer François Baclesse, 3 avenue Général Harris, 14000, Caen, France; Université de Caen Normandie, Esplanade de la Paix, 14000, Caen, France
| | - M Bureau
- ISPED, Université de Bordeaux, 146 rue Léo Saignat, 33076, Bordeaux, France; INSERM U1219 Epicene, 146 rue Léo Saignat, 33076, Bordeaux, France
| | - G Bouvier
- ISPED, Université de Bordeaux, 146 rue Léo Saignat, 33076, Bordeaux, France; INSERM U1219 Epicene, 146 rue Léo Saignat, 33076, Bordeaux, France
| | - M Meryet-Figuiere
- INSERM U1086 Anticipe, 3 avenue Général Harris, 14000, Caen, France; Centre de Lutte contre le Cancer François Baclesse, 3 avenue Général Harris, 14000, Caen, France; Université de Caen Normandie, Esplanade de la Paix, 14000, Caen, France
| | - S Tual
- INSERM U1086 Anticipe, 3 avenue Général Harris, 14000, Caen, France; Centre de Lutte contre le Cancer François Baclesse, 3 avenue Général Harris, 14000, Caen, France; Université de Caen Normandie, Esplanade de la Paix, 14000, Caen, France
| | - P Lebailly
- INSERM U1086 Anticipe, 3 avenue Général Harris, 14000, Caen, France; Centre de Lutte contre le Cancer François Baclesse, 3 avenue Général Harris, 14000, Caen, France; Université de Caen Normandie, Esplanade de la Paix, 14000, Caen, France
| | - I Baldi
- ISPED, Université de Bordeaux, 146 rue Léo Saignat, 33076, Bordeaux, France; INSERM U1219 Epicene, 146 rue Léo Saignat, 33076, Bordeaux, France; Service Santé Travail Environnement, CHU de Bordeaux, Place Amélie Raba Léon, 33076, Bordeaux, France
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20
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Oliveira-Mendonça LS, Mendes ÉA, Castro JO, Silva MM, Santos AG, Kaneto CM, Dias SO, Allaman IB, Vannier-Santos MA, Silva JF, Augusto DG, Anjos DOD, Santos NAS, Lima KP, Horta MF, Albuquerque GR, Costa MGC, Silva-Jardim I, Santos JLD. Trichoderma stromaticum spores induce autophagy and downregulate inflammatory mediators in human peripheral blood-derived macrophages. CURRENT RESEARCH IN MICROBIAL SCIENCES 2022; 3:100145. [PMID: 35909603 PMCID: PMC9325901 DOI: 10.1016/j.crmicr.2022.100145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
T. stromaticum biocontrol agent induces autophagy, up-regulating autophagy-related genes T. stromaticum modulates expression of micro RNAs that control imune response T. stromaticum dow-nregulates expression of TLR2, TLR4, CLEC7A, NLRP3, IL-10, IL1β and IL18 T. stromaticum modulates ROS production
Trichoderma spp. are usually considered safe and normally used as biocontrol and biofertilization. Safety for human health is evaluated by several tests that detect various effects such as allergenicity, toxicity, infectivity, and pathogenicity. However, they do not evaluate the effects of the agent upon the immune system. The aim of this study was to investigate the interaction between T. stromaticum spores and mammalian cells to assess the immunomodulatory potential of the spores of this fungus. First, mouse macrophage cell line J774 and human macrophages were exposed to fungal spores and analyzed for structural features, through scanning and transmission electron microscopy. Then, various analysis were performed in human macrophages as to their effect in some functional and molecular aspects of the immune system through immunocytochemistry, flow cytometry and gene expression assays. We demonstrated that T. stromaticum spores induces autophagy and autophagy-related genes (ATGs) and downmodulate inflammatory mediators, including ROS, NLRP3, the cytokines IL-1β, IL-18, IL-12 and IL-10, as well as TLR2, TLR4, miR-146b and miR-155, which may lead to an augmented susceptibility to pathogens. Our study shows the extension of damages the biofungicide Tricovab® can cause in the innate immune response. Further studies are necessary to elucidate other innate and adaptive immune responses and, consequently, the safety of this fungus when in contact with humans.
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21
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Shaikh NI, Sethi RS. Impairment of apoptosis pathway via Apaf1 downregulation during chlorpyrifos and/or cypermethrin induced lung damage. Anim Biotechnol 2021:1-8. [PMID: 34559034 DOI: 10.1080/10495398.2021.1981918] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Chlorpyrifos is an organophosphate and the cypermethrin is type 2 pyrethroid insecticide that are used for indoor and outdoor pest control. The present study aimed to investigate differential transcriptional profiling to identify the candidate gene associated with lung injury following exposure to chlorpyrifos and/or cypermethrin in a mouse model system. Swiss male albino mice (n = 24) were divided into three treatment groups (n = 6 each) that were given chlorpyrifos (2.76 mg kg-1 body weight), cypermethrin (2 mg kg-1 body weight) and the combination of both pesticides orally dissolved in corn oil and one control group (n = 6) that received corn oil for 90 days. The pulmonary expression of the Apaf1 was observed using RT2 Profiler PCR Array. The results showed that chronic exposure to chlorpyrifos, cypermethrin and their combination downregulated (67, 63 and 66 genes) and upregulated (4, 2 and 2 genes), respectively. The pulmonary expression of Apaf1 that plays important role in apoptosis was found to be downregulated. The immunohistochemistry depicted reduced expression of Apaf1 in both airway epithelium and alveolar septa following exposure to chlorpyrifos and/or cypermethrin. In conclusion, results demonstrated that exposure to chlorpyrifos, cypermethrin and their combination cause lung damage by the dysregulation of Apaf1 gene expression.
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Affiliation(s)
- Nasrul I Shaikh
- Department of Animal Biotechnology, College of Animal Biotechnology, Guru Angad Dev Veterinary and Animals Sciences University, Ludhiana, India
| | - R S Sethi
- Department of Animal Biotechnology, College of Animal Biotechnology, Guru Angad Dev Veterinary and Animals Sciences University, Ludhiana, India
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22
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Kim B, Park EY, Kim J, Park E, Oh JK, Lim MK. Occupational Exposure to Pesticides and Lung Cancer Risk: A Propensity Score Analyses. Cancer Res Treat 2021; 54:130-139. [PMID: 33794084 PMCID: PMC8756132 DOI: 10.4143/crt.2020.1106] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Accepted: 03/30/2021] [Indexed: 11/21/2022] Open
Abstract
Purpose Occupational exposure to pesticides is thought to be associated with lung cancer, but studies have yielded conflicting results. We performed a propensity score (PS) based analyses to evaluate the relationship between occupational exposure to pesticides and lung cancer risk in the Korea National Cancer Center community-based cohort study (KNCCCS). Materials and Methods During the follow-up period, 123 incidental lung cancer cases were identified, of the 7,471 subjects in the final statistical analysis. Information about occupational exposure to pesticides and other factors was collected at enrollment (2003–2010). Cox proportional hazards regression analyses were conducted. Four PS-based approaches (i.e., matching, stratification, inverse probability-of-treatment weighting, and the use of the PS as a covariate) were adopted, and the results were compared. PS was obtained from the logistic regression model. Absolute standardized differences according to occupational exposure to pesticides were provided to evaluate the balance in baseline characteristics. Results In the Cox proportional hazards regression model, the hazard ratio (HR) for lung cancer according to occupational exposure to pesticides was 1.82 (95% confidence interval [CI], 1.11 to 2.98). With all the propensity score matching (PSM) methods, the HRs for lung cancer based on exposure to pesticides ranged from 1.65 (95% CI, 1.04 to 2.64) (continuous term with PSM) to 2.84 (95% CI, 1.81 to 4.46) (stratification by 5 strata of the PS). The results varied slightly based on the method used, but the direction and statistical significance remained the same. Conclusion Our results strengthen the evidence for an association between occupational exposure to pesticides and the risk of lung cancer.
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Affiliation(s)
- Byungmi Kim
- Division of Cancer Prevention & Early Detection, National Cancer Control Institute, National Cancer Center, Goyang, Korea
| | - Eun Young Park
- Division of Cancer Prevention & Early Detection, National Cancer Control Institute, National Cancer Center, Goyang, Korea
| | - Jinsun Kim
- Division of Cancer Prevention & Early Detection, National Cancer Control Institute, National Cancer Center, Goyang, Korea
| | - Eunjung Park
- Division of Cancer Prevention & Early Detection, National Cancer Control Institute, National Cancer Center, Goyang, Korea
| | - Jin-Kyoung Oh
- Division of Cancer Prevention & Early Detection, National Cancer Control Institute, National Cancer Center, Goyang, Korea.,Graduate School of Cancer Science and Policy and Division of Cancer Prevention, National Cancer Center, Goyang, Korea
| | - Min Kyung Lim
- Graduate School of Cancer Science and Policy and Division of Cancer Prevention, National Cancer Center, Goyang, Korea
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Rebouillat P, Vidal R, Cravedi JP, Taupier-Letage B, Debrauwer L, Gamet-Payrastre L, Touvier M, Deschasaux-Tanguy M, Latino-Martel P, Hercberg S, Lairon D, Baudry J, Kesse-Guyot E. Prospective association between dietary pesticide exposure profiles and postmenopausal breast-cancer risk in the NutriNet-Santé cohort. Int J Epidemiol 2021; 50:1184-1198. [PMID: 33720364 DOI: 10.1093/ije/dyab015] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/27/2021] [Indexed: 01/30/2023] Open
Abstract
BACKGROUND Some pesticides, used in large quantities in current agricultural practices all over Europe, are suspected of adverse effects on human reproductive health (breast and prostate cancers), through mechanisms of endocrine disruption and possible carcinogenic properties, as observed in agricultural settings. However, evidence on dietary pesticide exposure and breast cancer (BC) is lacking for the general population. We aimed to assess the associations between dietary exposure to pesticides and BC risk among postmenopausal women of the NutriNet-Santé cohort. METHODS In 2014, participants completed a self-administered semi-quantitative food-frequency questionnaire distinguishing conventional and organic foods. Exposures to 25 active substances used in EU plant-protection products were estimated using a pesticide-residue database accounting for farming practices, from Chemisches und Veterinäruntersuchungsamt Stuttgart, Germany. Non-negative matrix factorization (NMF), adapted for data with excess zeros, was used to establish exposure profiles. The four extracted NMF components' quintiles were introduced into Cox models estimating hazard ratio (HR) and 95% confidence interval (95% CI), adjusted for known confounding factors. RESULTS A total of 13 149 postmenopausal women were included in the analysis (169 BC cases, median follow-up = 4.83 years). Negative associations between Component 3, reflecting low exposure to synthetic pesticides, and postmenopausal BC risk were found [HRQ5 = 0.57; 95% CI (0.34; 0.93), p-trend = 0.006]. Positive association between Component 1 score (highly correlated to chlorpyrifos, imazalil, malathion, thiabendazole) and postmenopausal BC risk was found specifically among overweight and obese women [HRQ5 = 4.13; 95% CI (1.50; 11.44), p-trend = 0.006]. No associations were detected for the other components. CONCLUSION These associations suggest a potential role of dietary pesticide exposure on BC risk. Further research is needed to investigate the mechanisms and confirm these results in other populations.
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Affiliation(s)
- Pauline Rebouillat
- Sorbonne Paris Nord University, INSERM, INRAE, CNAM, Nutritional Epidemiology Research Team (EREN), Epidemiology and Statistics Research Center-University of Paris (CRESS), 93017, Bobigny, France
| | - Rodolphe Vidal
- Institut de l'Agriculture et de l'Alimentation Biologiques (ITAB), Paris, France
| | - Jean-Pierre Cravedi
- Toxalim (Research Centre in Food Toxicology), Université de Toulouse, INRAE, ENVT, INP-Purpan, UPS, Toulouse, France
| | - Bruno Taupier-Letage
- Institut de l'Agriculture et de l'Alimentation Biologiques (ITAB), Paris, France
| | - Laurent Debrauwer
- Toxalim (Research Centre in Food Toxicology), Université de Toulouse, INRAE, ENVT, INP-Purpan, UPS, Toulouse, France
| | - Laurence Gamet-Payrastre
- Toxalim (Research Centre in Food Toxicology), Université de Toulouse, INRAE, ENVT, INP-Purpan, UPS, Toulouse, France
| | - Mathilde Touvier
- Sorbonne Paris Nord University, INSERM, INRAE, CNAM, Nutritional Epidemiology Research Team (EREN), Epidemiology and Statistics Research Center-University of Paris (CRESS), 93017, Bobigny, France
| | - Mélanie Deschasaux-Tanguy
- Sorbonne Paris Nord University, INSERM, INRAE, CNAM, Nutritional Epidemiology Research Team (EREN), Epidemiology and Statistics Research Center-University of Paris (CRESS), 93017, Bobigny, France
| | - Paule Latino-Martel
- Sorbonne Paris Nord University, INSERM, INRAE, CNAM, Nutritional Epidemiology Research Team (EREN), Epidemiology and Statistics Research Center-University of Paris (CRESS), 93017, Bobigny, France
| | - Serge Hercberg
- Sorbonne Paris Nord University, INSERM, INRAE, CNAM, Nutritional Epidemiology Research Team (EREN), Epidemiology and Statistics Research Center-University of Paris (CRESS), 93017, Bobigny, France.,Département de Santé Publique, Hôpital Avicenne, 93017 Bobigny, France
| | - Denis Lairon
- Aix Marseille Université, INSERM, INRAE, C2VN, Marseille, France
| | - Julia Baudry
- Sorbonne Paris Nord University, INSERM, INRAE, CNAM, Nutritional Epidemiology Research Team (EREN), Epidemiology and Statistics Research Center-University of Paris (CRESS), 93017, Bobigny, France
| | - Emmanuelle Kesse-Guyot
- Sorbonne Paris Nord University, INSERM, INRAE, CNAM, Nutritional Epidemiology Research Team (EREN), Epidemiology and Statistics Research Center-University of Paris (CRESS), 93017, Bobigny, France
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Rani L, Thapa K, Kanojia N, Sharma N, Singh S, Grewal AS, Srivastav AL, Kaushal J. An extensive review on the consequences of chemical pesticides on human health and environment. JOURNAL OF CLEANER PRODUCTION 2021. [PMID: 0 DOI: 10.1016/j.jclepro.2020.124657] [Citation(s) in RCA: 278] [Impact Index Per Article: 92.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/07/2023]
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25
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Saquib Q, Siddiqui MA, Ansari SM, Alwathnani HA, Musarrat J, Al-Khedhairy AA. Cytotoxicity and genotoxicity of methomyl, carbaryl, metalaxyl, and pendimethalin in human umbilical vein endothelial cells. J Appl Toxicol 2021; 41:832-846. [PMID: 33427323 DOI: 10.1002/jat.4139] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2020] [Revised: 12/15/2020] [Accepted: 12/27/2020] [Indexed: 12/13/2022]
Abstract
Pesticides have adverse effects on the cellular functionality, which may trigger myriad of health consequences. However, pesticides-mediated toxicity in the endothelial cells (ECs) is still elusive. Hence, in this study, we have used human umbilical vein endothelial cells (HUVECs) as a model to quantify the cytotoxicity and genotoxicity of four pesticides (methomyl, carbaryl, metalaxyl, and pendimethalin). In the MTT assay, HUVECs exposed to methomyl, carbaryl, metalaxyl, and pendimethalin demonstrated significant proliferation inhibition only at higher concentrations (500 and 1000 μM). Likewise, neutral red uptake (NRU) assay also showed proliferation inhibition of HUVECs at 500 and 1000 μM by the four pesticides, confirming lysosomal fragility. HUVECs exposed to the four pesticides significantly increased the level of intracellular reactive oxygen species (ROS). Comet assay and flow cytometric data exhibited DNA damage and apoptotic cell death in HUVECs after 24 h of exposure with methomyl, metalaxyl, carbaryl, and pendimethalin. This is a first study on HUVECs signifying the cytotoxic-genotoxic and apoptotic potential of carbamate insecticides (methomyl and carbaryl), fungicide (metalaxyl), and herbicide (pendimethalin). Overall, these pesticides may affect ECs functions and angiogenesis; nonetheless, mechanistic studies are warranted from the perspective of vascular biology using in vivo test models.
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Affiliation(s)
- Quaiser Saquib
- Department of Zoology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Maqsood A Siddiqui
- DNA Research Chair, Department of Zoology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Sabiha M Ansari
- Department of Botany and Microbiology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Hend A Alwathnani
- Department of Botany and Microbiology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Javed Musarrat
- Faculty of Agricultural Sciences, Department of Agricultural Microbiology, Aligarh Muslim University, Aligarh, Uttar Pradesh, India
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Abstract
Background: In Indonesia, many occupations and industries involve a variety of hazardous and toxic materials. The ILO estimates that about 21.1% of the tracheal, bronchial, and lung cancer deaths among men were attributable to workplace hazardous substances. This study investigated the relationship between occupations or workplace exposure and the risk of lung cancer in the country. The results will help determine how Indonesia can best mitigate the risk for its workers. Objectives: This case-control study utilizes the Indonesian Standard of Industrial Classification (IndSIC) 2015 with the aim of exploring the risk of lung cancer among Indonesian workers. Methods: The study included patients aged 35 years old or older receiving thoracic CT at the radiology department of Persahabatan Hospital. The cases were histological-confirmed primary lung cancers, while the controls were negative thoracic CT scan for lung cancer. The subjects’ job titles and industries were classified according to IndSIC 2015 and blind to the patient’s grouping as a case or control. Logistic regression was used to determine the odds ratios for lung cancer among all sections and some divisions or groups of IndSIC 2015. Findings: The mean age was 58.1 (±10.23) years for lung cancer patients and 54.5 (±10.23) years for controls. The majority of subjects (19.6%) worked in Section G (Wholesale and retail trade; repair of motor vehicles and motorcycle). After adjusting for age, gender, level of education, and smoking habit, the risk of lung cancer was nearly three-times higher (OR = 2.8, 95% CI = 1.11–7.02) in workers of Division A01 (crop, animal production, and hunting) and two-times higher (OR = 1.9, 95% CI = 1.05–3.46) in workers of Section F (construction) compared to the workers in other sections or divisions. Conclusions: The excess risk of lung cancer among certain categories of workers confirms the need for improved policy, monitoring, and control of occupational exposure for primary cancer prevention and workers’ compensation purposes.
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27
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Relevance of Biosensor in Climate Smart Organic Agriculture and Their Role in Environmental Sustainability: What Has Been Done and What We Need to Do? CONCEPTS AND STRATEGIES IN PLANT SCIENCES 2021. [DOI: 10.1007/978-3-030-66165-6_7] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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28
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Echeverri-Jaramillo G, Jaramillo-Colorado B, Sabater-Marco C, Castillo-López MÁ. Cytotoxic and estrogenic activity of chlorpyrifos and its metabolite 3,5,6-trichloro-2-pyridinol. Study of marine yeasts as potential toxicity indicators. ECOTOXICOLOGY (LONDON, ENGLAND) 2021; 30:104-117. [PMID: 33249537 DOI: 10.1007/s10646-020-02315-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 11/10/2020] [Indexed: 06/12/2023]
Abstract
Chlorpyrifos (CP) is one of the organophosphate insecticides most used worldwide today. Although the main target organ for CP is the nervous system triggering predominantly neurotoxic effects, it has suggested other mechanisms of action as cytotoxicity and endocrine disruption. The risk posed by the pesticide metabolites on non-target organisms is increasingly recognized by regulatory agencies and natural resource managers. In the present study, cytotoxicity and estrogenic activity of CP, and its principal metabolite 3,5,6-trichloro-2-pyridinol (TCP) have been evaluated by in vitro assays, using two mammalian cell lines (HEK293 and N2a), and a recombinant yeast. Results indicate that TCP is more toxic than CP for the two cell lines assayed, being N2a cells more sensitive to both compounds. Both compounds show a similar estrogenic activity being between 2500 and 3000 times less estrogenic than 17β-estradiol. In order to find new toxicity measurement models, yeasts isolated from marine sediments containing CP residues have been tested against CP and TCP by cell viability assay. Of the 12 yeast strains tested, 6 of them showed certain sensitivity, and a concentration-dependent response to the tested compounds, so they could be considered as future models for toxicity tests, although further investigations and proves are necessary.
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Affiliation(s)
- Gustavo Echeverri-Jaramillo
- Grupo de Investigación Microbiología y Ambiente, GIMA. Programa de Bacteriología, Universidad de San Buenaventura, Cartagena, Colombia
- Grupo de Investigaciones Agroquímicas, GIA. Programa de Química, Universidad de Cartagena, 130014, Cartagena, Colombia
| | - Beatriz Jaramillo-Colorado
- Grupo de Investigaciones Agroquímicas, GIA. Programa de Química, Universidad de Cartagena, 130014, Cartagena, Colombia.
| | - Consuelo Sabater-Marco
- Departamento de Biotecnología, Universidad Politécnica de Valencia, 46022, Valencia, España
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29
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Luce D, Dugas J, Vaidie A, Michineau L, El-Yamani M, Multigner L. A cohort study of banana plantation workers in the French West Indies: first mortality analysis (2000-2015). ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:41014-41022. [PMID: 31621027 DOI: 10.1007/s11356-019-06481-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Accepted: 09/09/2019] [Indexed: 06/10/2023]
Abstract
Chlordecone, an organochlorine insecticide, was widely used in the French West Indies banana plantations. We set up a cohort of banana plantation workers who worked between 1973 and 1993, the period of authorized use of chlordecone. Vital status and causes of death were collected from French national registries. Workers were followed up from 1 January 2000 to 31 December 2015. Cause-specific mortality in the cohort was compared to that of the general population of the French West Indies by computing standardized mortality ratios (SMRs). A total of 11,112 workers (149,526 person-years, 77% men) were included in the mortality analysis, and 3647 deaths occurred over the study period. There was a slight deficit in all-cause mortality, which was statistically significant in men (SMR = 0.93, 95% CI 0.89-0.96), but not in women (SMR = 0.96, 95% CI 0.89-1.04). All-cancer mortality did not differ significantly from that of the general population (men: SMR = 0.96, 95% CI 0.90-1.03; women: SMR = 1.04, 95% CI 0.89-1.21). Significant excesses of deaths were observed for stomach cancer in women (SMR = 1.94, 95% CI 1.24-2.89) and pancreatic cancer in women farm owners (SMR = 2.31, 95% CI 1.06-4.39). Mortality from prostate cancer was similar to that of the general population in the whole cohort (SMR = 1.00; 95% CI 0.89-1.13) and non-significantly elevated among farm workers (SMR = 1.10, 95% CI 0.87-1.36). Non-significant increases in mortality were also observed for lung cancer in women, leukemia in men, and non-Hodgkin lymphoma in both genders.
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Affiliation(s)
- Danièle Luce
- Univ Rennes, Inserm, EHESP, Irset (Institut de recherche en santé, environnement et travail) - UMR_S 1085, Pointe-à-Pitre, France.
- Santé Publique France, Saint-Maurice, France.
| | - Julien Dugas
- Univ Rennes, Inserm, EHESP, Irset (Institut de recherche en santé, environnement et travail) - UMR_S 1085, Pointe-à-Pitre, France
| | - Amandine Vaidie
- Univ Rennes, Inserm, EHESP, Irset (Institut de recherche en santé, environnement et travail) - UMR_S 1085, Pointe-à-Pitre, France
| | - Léah Michineau
- Univ Rennes, Inserm, EHESP, Irset (Institut de recherche en santé, environnement et travail) - UMR_S 1085, Pointe-à-Pitre, France
| | | | - Luc Multigner
- Univ Rennes, Inserm, EHESP, Irset (Institut de recherche en santé, environnement et travail) - UMR_S 1085, Rennes, France
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30
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Sun H, Sun ML, Barr DB. Exposure to organophosphorus insecticides and increased risks of health and cancer in US women. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2020; 80:103474. [PMID: 32828957 PMCID: PMC7808295 DOI: 10.1016/j.etap.2020.103474] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Revised: 08/15/2020] [Accepted: 08/18/2020] [Indexed: 05/04/2023]
Abstract
Results of this paper provide evidence that chronic long-term exposure to organophosphorus insecticides poses a significantly higher health risk for US women than for men, based on dialkylphosphate biomarker data from NHANES cycles 2003-2012. The risk of cardiovascular disease for female non-smokers aged 60-85 years in the highest dimethylthiophosphate (DMTP) urinary concentration quartile is 3.0 (odds ratio, OD = 3.0, 95%CI 1.4-6.4) times higher than that in the lowest quartile. Women with higher urinary DMTP concentrations also have significantly higher risk of asthma at the ages 6-39 years and an apparently higher risk of chronic bronchitis at the ages 60-85. Overall cancer risk is significantly higher for female non-smokers aged 60-85 years in the higher urinary DMTP quartiles (OD = 2.7, 95% CI 1.3-5.9). Increasing risks of breast cancer for female smokers and prostate cancer for male smokers aged 60-85 years with higher exposure to organophosphorus insecticides in the US are also significant.
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Affiliation(s)
- Hongbing Sun
- GEMS Department, Health Studies Institute, Rider University, 2083 Lawrenceville Road, Lawrenceville, NJ 08648, United States.
| | - Michael Leo Sun
- Drexel University College of Medicine, 2900 W. Queen Lane, Philadelphia, PA 19129, United States
| | - Dana Boyd Barr
- Gangarosa Department of Environmental Health, Rollins School of Public Health, Emory University, 1518 Clifton Road, Atlanta, GA 30322, United States
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Cabréra L, Auguste A, Michineau L, Deloumeaux J, Joachim C, Luce D. [Occupational and environmental risk factors for lung cancer in the French West Indies]. Med Sci (Paris) 2020; 36 Hors série n° 1:11-15. [PMID: 33052087 DOI: 10.1051/medsci/2020175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- Léïla Cabréra
- Univ Rennes, Inserm, EHESP, Irset (Institut de recherche en santé, environnement et travail) - UMR_S 1085, F-97100, Pointe-à-Pitre, France
| | - Aviane Auguste
- Univ Rennes, Inserm, EHESP, Irset (Institut de recherche en santé, environnement et travail) - UMR_S 1085, F-97100, Pointe-à-Pitre, France
| | - Léah Michineau
- Univ Rennes, Inserm, EHESP, Irset (Institut de recherche en santé, environnement et travail) - UMR_S 1085, F-97100, Pointe-à-Pitre, France
| | - Jacqueline Deloumeaux
- Registre général des cancers de Guadeloupe, Centre Hospitalier Universitaire de Pointe-à-Pitre, Pointe-à-Pitre, France
| | - Clarisse Joachim
- CHU Martinique, UF1441 Registre des cancers de la Martinique, Pôle de Cancérologie Hématologie Urologie Pathologie, Fort-de-France, France
| | - Danièle Luce
- Univ Rennes, Inserm, EHESP, Irset (Institut de recherche en santé, environnement et travail) - UMR_S 1085, F-97100, Pointe-à-Pitre, France
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Arici M, Abudayyak M, Boran T, Özhan G. Does pendimethalin develop in pancreatic cancer induced inflammation? CHEMOSPHERE 2020; 252:126644. [PMID: 32443284 DOI: 10.1016/j.chemosphere.2020.126644] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/06/2019] [Revised: 03/26/2020] [Accepted: 03/27/2020] [Indexed: 05/12/2023]
Abstract
Pendimethalin, one of the dinitroaniline group herbicides, is applied for controlling weeds in cereals, legumes and vegetable crops, and has been classified as possible human carcinogen. It is indicated that pendimethalin should arise risks of developing some cancer types; however, there is no data on the effects of pendimethalin on pancreatic cancer-induced inflammation. Injuries resulting from by acute pancreatitis attacks and inflammation are significant factors in the development of pancreatic cancer. Therefore, we investigated whether pendimethalin triggers inflammation as a mechanism of pancreatic cancer development. Parameters related to pancreatic activation, oxidative stress, and inflammation were measured in the human pancreatic (PANC-1) cell line. In the range of 0-100 μM, the levels of chymotrypsin decreased. It should be indicated that the reason for the decrease in chymotrypsin may be the high rates of cell death (20%) observed in the high concentration levels. We observed that pendimethalin significantly induced oxidative damage, while levels of interleukin-6 (IL-6) and interleukin-8 (IL-8) did not change. The obtained results may draw attention to the usage and possible toxic effect of pendimethalin due to oxidative damage induction; however, detailed inflammation mechanisms and other cancer pathways should be investigated.
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Affiliation(s)
- M Arici
- Department of Pharmaceutical Toxicology, Faculty of Pharmacy, Istanbul University, Istanbul, Turkey
| | - M Abudayyak
- Department of Pharmaceutical Toxicology, Faculty of Pharmacy, Istanbul University, Istanbul, Turkey
| | - T Boran
- Department of Pharmaceutical Toxicology, Faculty of Pharmacy, Istanbul University, Istanbul, Turkey
| | - G Özhan
- Department of Pharmaceutical Toxicology, Faculty of Pharmacy, Istanbul University, Istanbul, Turkey.
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Organophosphate Pesticide Exposure and Breast Cancer Risk: A Rapid Review of Human, Animal, and Cell-Based Studies. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17145030. [PMID: 32668751 PMCID: PMC7399930 DOI: 10.3390/ijerph17145030] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Revised: 07/06/2020] [Accepted: 07/10/2020] [Indexed: 12/22/2022]
Abstract
BACKGROUND Organophosphate pesticides (OPs) are one of the most commonly used classes of insecticides in the U.S., and metabolites of OPs have been detected in the urine of >75% of the U.S. POPULATION While studies have shown that OP exposure is associated with risk of neurological diseases and some cancers, the relationship between OP exposure and breast cancer risk is not well understood. METHODS The aim of this rapid review was to systematically evaluate published literature on the relationship between OP exposure and breast cancer risk, including both epidemiologic and laboratory studies. Twenty-seven full-text articles were reviewed by searching on Pubmed, EMBASE, and Cochrane databases. RESULTS Some human studies showed that malathion, terbufos, and chlorpyrifos were positively associated with human breast cancer risk, and some laboratory studies demonstrated that malathion and chlorpyrifos have estrogenic potential and other cancer-promoting properties. However, the human studies were limited in number, mostly included agricultural settings in several geographical areas in the U.S., and did not address cumulative exposure. CONCLUSIONS Given the mixed results found in both human and laboratory studies, more research is needed to further examine the relationship between OP exposure and breast cancer risk, especially in humans in non-agricultural settings.
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Izumi M, Suzumura T, Ogawa K, Matsumoto Y, Sawa K, Yoshimoto N, Tani Y, Watanabe T, Kaneda H, Mitsuoka S, Asai K, Kawaguchi T. Differences in molecular epidemiology of lung cancer among ethnicities (Asian vs. Caucasian). J Thorac Dis 2020; 12:3776-3784. [PMID: 32802457 PMCID: PMC7399397 DOI: 10.21037/jtd.2019.08.61] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Background Differences in carcinogenesis and therapeutic efficacy according to ethnicity have been reported for lung cancer, and understanding differences in genetic mutation profiles among ethnicities is important for interpreting the results of clinical trials, preventing carcinogenesis, and individualizing treatment. However, no studies have focused on differences in mutation profiles among different ethnicities using large-scale genomic analysis data with detailed information on smoking history, the main cause of lung cancer. Methods To clarify the differences in genetic mutation profiles between Caucasian and Japanese subjects, we compared data from The Cancer Genome Atlas, which mainly included Caucasians, with results from the Japan Molecular Epidemiology for lung cancer study, which is an epidemiological study only involving Japanese subjects. We divided the participants into four groups according to smoking status and performed comparative analysis by tissue type (lung adenocarcinoma and squamous cell lung cancer). Results In patients with lung adenocarcinoma, the frequency of EGFR mutations was lower in Caucasian subjects than in Japanese subjects (14.6% vs. 51.1%), whereas the frequencies of mutations in other genes, namely KRAS (32.9% vs. 9.3%), TP53 (45.2% vs. 20.7%), BRAF (9.6% vs. 1.3%), PIK3CA (5.9% vs. 2.6%), KEAP1 (17.8% vs. 0.5%), NF1 (10.9% vs. 0.5%), STK11 (17.8% vs. 0.7%), RBM10 (8.7% vs. 0.1%), and MET (7.8% vs. 0.1%), were higher in Caucasian subjects. Among patients with squamous cell carcinoma, TP53 (81.2% vs. 49.1%), PIK3CA (14.5% vs. 6.8%), KEAP1 (12.7% vs. 0.9%), and NFE2L2 mutations (15.8% vs. 13.6%) were more common in Caucasian subjects. Conclusions Ethnicity is an important and complex characteristic that must be recognized and considered, even in the era of precision medicine. We should collaborate to share data for different ethnicities and incorporate them into clinical practice and the design of global clinical studies. Carefully designed molecular epidemiological studies focusing on ethnic differences are warranted.
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Affiliation(s)
- Motohiro Izumi
- Department of Respiratory Medicine, Graduate School of Medicine, Osaka City University, Osaka, Japan
| | - Tomohiro Suzumura
- Department of Clinical Oncology, Graduate School of Medicine, Osaka City University, Osaka, Japan
| | - Koichi Ogawa
- Department of Respiratory Medicine, Graduate School of Medicine, Osaka City University, Osaka, Japan
| | - Yoshiya Matsumoto
- Department of Respiratory Medicine, Graduate School of Medicine, Osaka City University, Osaka, Japan
| | - Kenji Sawa
- Department of Respiratory Medicine, Graduate School of Medicine, Osaka City University, Osaka, Japan
| | - Naoki Yoshimoto
- Department of Respiratory Medicine, Ishikiriseiki Hosipital, Higashiosaka, Japan
| | - Yoko Tani
- Department of Clinical Oncology, Graduate School of Medicine, Osaka City University, Osaka, Japan
| | - Tetsuya Watanabe
- Department of Respiratory Medicine, Graduate School of Medicine, Osaka City University, Osaka, Japan
| | - Hiroyasu Kaneda
- Department of Clinical Oncology, Graduate School of Medicine, Osaka City University, Osaka, Japan
| | - Shigeki Mitsuoka
- Department of Clinical Oncology, Graduate School of Medicine, Osaka City University, Osaka, Japan
| | - Kazuhisa Asai
- Department of Respiratory Medicine, Graduate School of Medicine, Osaka City University, Osaka, Japan
| | - Tomoya Kawaguchi
- Department of Respiratory Medicine, Graduate School of Medicine, Osaka City University, Osaka, Japan.,Department of Clinical Oncology, Graduate School of Medicine, Osaka City University, Osaka, Japan
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Gupta P, Verma SK. Evaluation of genotoxicity induced by herbicide pendimethalin in fresh water fishClarias batrachus(linn.) and possible role of oxidative stress in induced DNA damage. Drug Chem Toxicol 2020; 45:750-759. [DOI: 10.1080/01480545.2020.1774603] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Priyanka Gupta
- Department of Zoology, Guru Ghasidas Vishwavidyalaya (Central University), Bilaspur, India
| | - Sushant Kumar Verma
- Department of Zoology, Guru Ghasidas Vishwavidyalaya (Central University), Bilaspur, India
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Ratna MG, Nugrahaningsih DAA, Sholikhah EN, Dwianingsih EK, Malueka RG. The association between PON1 and GSTM1 genetic variation with methylation of p16 gene promoter among Javanese farmers exposed to pesticides at Magelang Regency, Central Java, Indonesia. Heliyon 2020; 6:e03993. [PMID: 32478190 PMCID: PMC7248662 DOI: 10.1016/j.heliyon.2020.e03993] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2019] [Revised: 12/11/2019] [Accepted: 05/12/2020] [Indexed: 12/08/2022] Open
Abstract
Occupational exposure to pesticides leads to the development of cancer. Aberrant DNA methylation plays a crucial role in cancer. The manifestation of the carcinogenic effect of pesticides could be determined by the variation of genes encoding enzyme, including PON1 Q192R and GSTM1. The goal of this study was to find out polymorphism of PON1 Q192R and methylation of p16 gene promoter, and their correlation on Javanese farmers in the agricultural area of Ngablak Subdistrict, Magelang Regency, Central Java. Seventy-eight pesticide-exposed farmers enrolled in the study. Polymorphism of PON Q192R was determined using PCR-RFLP and variation of GSTM1 was examined using conventional PCR. The methylation of the p16 gene promoter was determined using methylation-specific PCR. The result revealed 94.9% polymorphism of PON1 Q192R, which was higher in the R/R (Arg/Arg) genotypes than Q/R (Gln/Arg) and lowest in Q/Q (Gln/Gln) genotypes. We also found 82.1% GSTM1 null genotype among the farmers enrolled in the study. As many as 26.9% methylations of p16 gene promoter were found among farmers. Genetic variation of PON1 Q192R and GSTM1 were not found to be correlated to the methylation status of p16 gene promoter in the Javanese population.
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Affiliation(s)
- Maya G Ratna
- Master of Biomedical Science Program, Faculty of Medicine, Public Health and Nursing, Universitas Gadjah Mada, Yogyakarta, Indonesia
| | - Dwi A A Nugrahaningsih
- Department of Pharmacology and Therapy, Faculty of Medicine, Public Health and Nursing, Universitas Gadjah Mada, Yogyakarta, Indonesia.,Genetics Working Group, Faculty of Medicine, Public Health and Nursing, Universitas Gadjah Mada, Indonesia
| | - Eti N Sholikhah
- Department of Pharmacology and Therapy, Faculty of Medicine, Public Health and Nursing, Universitas Gadjah Mada, Yogyakarta, Indonesia
| | - Ery K Dwianingsih
- Department of Anatomical Pathology, Faculty of Medicine, Public Health and Nursing, Universitas Gadjah Mada, Yogyakarta, Indonesia.,Genetics Working Group, Faculty of Medicine, Public Health and Nursing, Universitas Gadjah Mada, Indonesia
| | - Rusdy G Malueka
- Department of Neurology, Faculty of Medicine, Public Health and Nursing, Universitas Gadjah Mada, Yogyakarta, Indonesia.,Genetics Working Group, Faculty of Medicine, Public Health and Nursing, Universitas Gadjah Mada, Indonesia
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Pesticide use and risk of Hodgkin lymphoma: results from the North American Pooled Project (NAPP). Cancer Causes Control 2020; 31:583-599. [PMID: 32314107 PMCID: PMC7183499 DOI: 10.1007/s10552-020-01301-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2019] [Accepted: 04/07/2020] [Indexed: 12/16/2022]
Abstract
PURPOSE The purpose of this study was to investigate associations between pesticide exposures and risk of Hodgkin lymphoma (HL) using data from the North American Pooled Project (NAPP). METHODS Three population-based studies conducted in Kansas, Nebraska, and six Canadian provinces (HL = 507, Controls = 3886) were pooled to estimate odds ratios and 95% confidence intervals for single (never/ever) and multiple (0, 1, 2-4, ≥ 5) pesticides used, duration (years) and, for select pesticides, frequency (days/year) using adjusted logistic regression models. An age-stratified analysis (≤ 40/ > 40 years) was conducted when numbers were sufficient. RESULTS In an analysis of 26 individual pesticides, ever use of terbufos was significantly associated with HL (OR: 2.53, 95% CI 1.04-6.17). In age-stratified analyses, associations were stronger among those ≤ 40 years of age. No significant associations were noted among those > 40 years old; however, HL cases ≤ 40 were three times more likely to report ever using dimethoate (OR: 3.76 95% CI 1.02-33.84) and almost twice as likely to have ever used malathion (OR: 1.86 95% CI 1.00-3.47). Those ≤ 40 years of age reporting use of 5 + organophosphate insecticides had triple the odds of HL (OR: 3.00 95% CI 1.28-7.03). Longer duration of use of 2,4-D, ≥ 6 vs. 0 years, was associated with elevated odds of HL (OR: 2.59 95% CI 1.34-4.97). CONCLUSION In the NAPP, insecticide use may increase the risk of HL, but results are based on small numbers.
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Stanganelli I, De Felici MB, Mandel VD, Caini S, Raimondi S, Corso F, Bellerba F, Quaglino P, Sanlorenzo M, Ribero S, Medri M, Farnetani F, Feliciani C, Pellacani G, Gandini S. The association between pesticide use and cutaneous melanoma: a systematic review and meta-analysis. J Eur Acad Dermatol Venereol 2020; 34:691-708. [PMID: 31541557 DOI: 10.1111/jdv.15964] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2019] [Accepted: 08/23/2019] [Indexed: 01/20/2023]
Abstract
BACKGROUND The incidence of cutaneous melanoma (CM), the deadliest form of skin cancer, has gradually increased in the last decades among populations of European origin. Epidemiological studies suggested that farmers and agricultural workers are at an increased risk of CM because they were exposed to pesticides. However, little is known about the relationship between pesticides and CM. OBJECTIVES To investigate the association between exposure to pesticides and CM by systematically reviewing the literature. Secondary aim was to determine the categories of pesticides mainly involved in CM development. METHODS A systematic review of the literature was performed up to September 2018 using MEDLINE, Embase and Web of Science. Studies assessing CM risk in licensed pesticide applicators were considered. Strict criteria were established to select independent studies and risk estimates; random effect models, taking into account heterogeneity, were applied. A pooled risk estimate for CM was calculated for the use of each type of pesticide and type of exposure. Between-study and estimate heterogeneity was assessed and publication bias investigated. RESULTS A total of nine studies (two case-controls and seven cohorts) comprising 184 389 unique subjects were included. The summary relative risks for the categories 'herbicides - ever exposure', 'insecticides - ever exposure', 'any pesticide - ever exposure' and 'any pesticide - high exposure' resulted 1.85 [95% confidence interval (CI): 1.01, 3.36], 1.57 (95% CI: 0.58, 4.25), 1.31 (95% CI: 0.85, 2.04) and 2.17 (95% CI: 0.45, 10.36), respectively. Herbicides and insecticides had no between-study heterogeneity (I2 = 0%), while a significant heterogeneity (I2 > 50%) was detected for the high exposure to any pesticide. No indication for publication bias was found. CONCLUSIONS Individuals exposed to herbicides are at an increased risk of CM. Future properly designed observational studies are required to confirm this finding.
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Affiliation(s)
- I Stanganelli
- Skin Cancer Unit, Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST), Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Meldola, Italy
- Dermatology Department, University of Parma, Parma, Italy
| | - M B De Felici
- Dermatology Department, University of Parma, Parma, Italy
| | - V D Mandel
- Skin Cancer Unit, Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST), Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Meldola, Italy
| | - S Caini
- Cancer Risk Factors and Lifestyle Epidemiology Unit, Institute for Cancer Research, Prevention and Clinical Network (ISPRO), Florence, Italy
| | - S Raimondi
- Molecular and Pharmaco-Epidemiology Unit, Department of Experimental Oncology, European Institute of Oncology (IEO), Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Milan, Italy
| | - F Corso
- Molecular and Pharmaco-Epidemiology Unit, Department of Experimental Oncology, European Institute of Oncology (IEO), Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Milan, Italy
| | - F Bellerba
- Molecular and Pharmaco-Epidemiology Unit, Department of Experimental Oncology, European Institute of Oncology (IEO), Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Milan, Italy
| | - P Quaglino
- Dermatologic Clinic, Department of Medical Sciences, University of Turin, Turin, Italy
| | - M Sanlorenzo
- Dermatologic Clinic, Department of Medical Sciences, University of Turin, Turin, Italy
| | - S Ribero
- Dermatologic Clinic, Department of Medical Sciences, University of Turin, Turin, Italy
| | - M Medri
- Skin Cancer Unit, Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST), Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Meldola, Italy
| | - F Farnetani
- Dermatology Unit, Surgical, Medical and Dental Department of Morphological Sciences Related to Transplant, Oncology and Regenerative Medicine, University of Modena and Reggio Emilia, Modena, Italy
| | - C Feliciani
- Dermatology Department, University of Parma, Parma, Italy
| | - G Pellacani
- Dermatology Unit, Surgical, Medical and Dental Department of Morphological Sciences Related to Transplant, Oncology and Regenerative Medicine, University of Modena and Reggio Emilia, Modena, Italy
| | - S Gandini
- Molecular and Pharmaco-Epidemiology Unit, Department of Experimental Oncology, European Institute of Oncology (IEO), Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Milan, Italy
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Ahmad MI, Potshangbam AM, Javed M, Ahmad M. Studies on conformational changes induced by binding of pendimethalin with human serum albumin. CHEMOSPHERE 2020; 243:125270. [PMID: 31726261 DOI: 10.1016/j.chemosphere.2019.125270] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/11/2019] [Revised: 10/28/2019] [Accepted: 10/29/2019] [Indexed: 06/10/2023]
Abstract
Pendimethalin (PND) is a widely used herbicide in modern means of agricultural practices. So, its toxic residues exist extensively in the environment and can enter human body. Therefore, the in vitro interaction of PND with human serum albumin (HSA) has been explored by employing various biophysical, molecular docking and dynamics simulation studies as well as enzyme kinetics to unravel its binding mechanism. The binding constant of the PND-HSA complex was about 104 M-1 using Fluorescence quenching spectra. The negative value of Gibbs free energy change (ΔG0 = -32.0 kJ mol-1) indicates this interaction is a spontaneous process. A large negative ΔH0 and positive ΔS0 suggests that hydrophobic interactions and H-bonding are involved in the binding process of PND with HSA. The binding of PND can cause conformational and micro-environmental changes in HSA molecule, as shown by various biophysical and molecular dynamics simulation studies. The site marker competition and molecular docking and simulation experiments affirmed that the binding of PND to HSA occurs at or near site I. Esterase-like activity of HSA exhibited decline in the presence of PND revealed the direct involvement of Lys199 of subdomain IIA (Sudlow's site I) in the binding process.
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Affiliation(s)
- Md Irshad Ahmad
- Department of Biochemistry, Faculty of Life Sciences, Aligarh Muslim University, Aligarh, UP, 202002, India
| | | | - Mehjbeen Javed
- Aquatic Toxicology Research Laboratory, Department of Zoology, Aligarh Muslim University, Aligarh, UP, 202002, India
| | - Masood Ahmad
- Department of Biochemistry, Faculty of Life Sciences, Aligarh Muslim University, Aligarh, UP, 202002, India.
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Simaremare SRS, Hung CC, Hsieh CJ, Yiin LM. Relationship between Organophosphate and Pyrethroid Insecticides in Blood and Their Metabolites in Urine: A Pilot Study. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2019; 17:ijerph17010034. [PMID: 31861481 PMCID: PMC6982316 DOI: 10.3390/ijerph17010034] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/22/2019] [Revised: 12/13/2019] [Accepted: 12/16/2019] [Indexed: 01/22/2023]
Abstract
We conducted a pilot study to examine the relationship between organophosphate (OP) and pyrethroid (PYR) insecticides in blood and their metabolites in urine. A total of 30 pregnant women were enrolled in the study, and blood and urine was sampled from each subject during a regular clinic visit. Two OP and nine PYR insecticides were selected for blood sample analysis, while six OP and five PYR metabolites were analyzed for urine specimens. Both types of samples were processed and analyzed on gas chromatography-mass spectrometry. For OPs in blood, chlorpyrifos had a higher mean concentration (73.33 µg/L) than terbufos. For PYRs in blood, cypermethrin and imiprothrin were the most frequently detected species with the highest mean concentrations (151.25 and 141.25 µg/L). The concentrations of PYRs appeared to be higher than that of OPs, and the most frequently detected PYRs were commonly used in domestic products, suggesting that the exposure could mostly originate from use of domestic insecticides. The correlation between insecticides in blood and their metabolites in urine was significantly high (r = 0.795 for OPs and 0.882 for PYRs, p < 0.001), indicating routine exposure at a steady state. Residents should be cautious with domestic use of insecticide products to lower their exposure.
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Affiliation(s)
- Sailent Rizki Sari Simaremare
- Institute of Medical Sciences, Tzu Chi University, 701, Sec. 3, Zhongyang Road, Hualien City 97004, Taiwan; (S.R.S.S.); (C.-C.H.)
| | - Chien-Che Hung
- Institute of Medical Sciences, Tzu Chi University, 701, Sec. 3, Zhongyang Road, Hualien City 97004, Taiwan; (S.R.S.S.); (C.-C.H.)
| | - Chia-Jung Hsieh
- Department of Public Health, Tzu Chi University, 701, Sec. 3, Zhongyang Road, Hualien City 97004, Taiwan;
| | - Lih-Ming Yiin
- Department of Public Health, Tzu Chi University, 701, Sec. 3, Zhongyang Road, Hualien City 97004, Taiwan;
- Correspondence: ; Tel.: +886-3-856-5301 (ext. 2273)
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MANDAL DIBYENDUSEKHAR, SAMANTA SUDIP, ALZAHRANI ABDULLAHKHAMES, CHATTOPADHYAY JOYDEV. STUDY OF A PREDATOR–PREY MODEL WITH PEST MANAGEMENT PERSPECTIVE. J BIOL SYST 2019. [DOI: 10.1142/s021833901950013x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Recently, pest control has become a very interesting research topic because it is closely associated with agricultural and economic loss. Empirical evidence shows that pest insects are responsible for lower crop production and many other adverse effects on the farming sector. There are several biological, physical and chemical control mechanisms. However, the biological control of pest populations by using natural enemies is one of the most important ecosystem services adopted in agriculture around the world. In the present study, we consider an ecological model consisting of prey (pest) and its natural enemy as the predator. Different system equilibria are obtained, their stability is analyzed, and Hopf bifurcation of the system around the interior equilibrium is discussed. The sufficient permanence criteria of the system are also derived. Moreover, we perform bifurcation analysis to explore the existence of limit cycle. We also investigate the stability property of the positive periodic solution when the interior equilibrium loses its stability. Our analytical results are further verified through numerical simulations. Our findings suggest that, in the absence of a super predator, pest and natural enemy show stable coexistence. However, in the presence of super predator, if the natural enemy is killed at a lower rate, both pest and natural enemy coexist. Finally, above a threshold value, the natural enemy is eradicated from the system and pest outbreak occurs.
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Affiliation(s)
- DIBYENDU SEKHAR MANDAL
- Agricultural and Ecological Research Unit, Indian Statistical Institute, 203, B. T. Road, Kolkata 700108, India
| | - SUDIP SAMANTA
- Department of Mathematics, Faculty of Science & Arts - Rabigh, King Abdulaziz University, Rabigh 25732, Saudi Arabia
- Department of Mathematics, Bankura University, West Bengal 722155, India
| | - ABDULLAH KHAMES ALZAHRANI
- Department of Mathematics, Faculty of Science & Arts - Rabigh, King Abdulaziz University, Rabigh 25732, Saudi Arabia
| | - JOYDEV CHATTOPADHYAY
- Agricultural and Ecological Research Unit, Indian Statistical Institute, 203, B. T. Road, Kolkata 700108, India
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Shankar A, Dubey A, Saini D, Singh M, Prasad CP, Roy S, Bharati SJ, Rinki M, Singh N, Seth T, Khanna M, Sethi N, Kumar S, Sirohi B, Mohan A, Guleria R, Rath GK. Environmental and occupational determinants of lung cancer. Transl Lung Cancer Res 2019; 8:S31-S49. [PMID: 31211104 DOI: 10.21037/tlcr.2019.03.05] [Citation(s) in RCA: 58] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Lung cancer has become a global problem, from a rare disease to an emerging public health issue. The current data of GLOBOCAN 2018, indicates that this disease has recorded highest mortality among all types of cancer. The etiological factors of lung cancer have become more multiplex because of increasing industrialization and environmental pollution around the world, especially in India. There is a rise in incidence of lung cancer among non-smokers and this can be attributed to environmental and occupational exposure to various kinds of hazardous substances. Target mutations are high in Lung cancer among non-smokers when compared to smokers. Some developed countries have guidelines and policies for prevention and control of risk factors focusing on these issues. Intervention aiming for primary prevention can be an important and cost-effective tool in developing countries to deal with increasing incidence of lung cancer. There is a need to define high risk group among non-smokers after taking into account environmental and occupational determinants as important risk factors. Research on etiology of lung cancer and prevention provides evidence to work on global incidence and prevalence of lung cancer, and for designing cost effective lung cancer prevention strategies. Research in the area of lung cancer prevention should be considered to recognize the areas where action is required to prevent environment and occupation related lung cancer. The government and occupational health and safety organizations have taken many steps in the last few years that can help to protect workers from these exposures. But the dangers are still there, so there is a need to do more to limit these exposures around workplace. This whole situation guides us to advocate population-based intervention along with policy implementation.
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Affiliation(s)
- Abhishek Shankar
- Preventive Oncology, Dr BR Ambedkar Institute Rotary Cancer Hospital, All India Institute of Medical Sciences, Delhi, India
| | - Anusha Dubey
- Indian Society of Clinical Oncology, Delhi, India
| | - Deepak Saini
- Indian Society of Clinical Oncology, Delhi, India
| | - Mayank Singh
- Medical Oncology (Lab), Dr BR Ambedkar Institute Rotary Cancer Hospital, All India Institute of Medical Sciences, Delhi, India
| | - Chandra Prakash Prasad
- Medical Oncology (Lab), Dr BR Ambedkar Institute Rotary Cancer Hospital, All India Institute of Medical Sciences, Delhi, India
| | - Shubham Roy
- Indian Society of Clinical Oncology, Delhi, India
| | - Sachidanand Jee Bharati
- Oncoanaesthesia and Palliative Medicine, Dr BR Ambedkar Institute Rotary Cancer Hospital, All India Institute of Medical Sciences, Delhi, India
| | - Minakshi Rinki
- Microbiology, Swami Shraddhanand College, Delhi University, Delhi, India
| | - Navneet Singh
- Pulmonary Medicine, Post Graduate Institute of Medical Education & Research, Chandigarh, India
| | - Tulika Seth
- Clinical Hematology, All India Institute of Medical Sciences, Delhi, India
| | | | | | - Sunil Kumar
- Surgical Oncology, Dr BR Ambedkar Institute Rotary Cancer Hospital, All India Institute of Medical Sciences, Delhi, India
| | - Bhawna Sirohi
- Medical Oncology, Max Institute of Cancer Care, Delhi, India
| | - Anant Mohan
- Pulmonary Medicine and Sleep Disorders, All India Institute of Medical Sciences, Delhi, India
| | - Randeep Guleria
- Pulmonary Medicine and Sleep Disorders, All India Institute of Medical Sciences, Delhi, India
| | - Goura Kishor Rath
- Radiation Oncology, Dr BR Ambedkar Institute Rotary Cancer Hospital, All India Institute of Medical Sciences, Delhi, India
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Clinical value of cholinesterase in the prediction of biochemical recurrence after radical prostatectomy. Urol Oncol 2018; 36:528.e7-528.e13. [DOI: 10.1016/j.urolonc.2018.09.015] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2018] [Revised: 09/16/2018] [Accepted: 09/24/2018] [Indexed: 11/24/2022]
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Ahmad MI, Zafeer MF, Javed M, Ahmad M. Pendimethalin-induced oxidative stress, DNA damage and activation of anti-inflammatory and apoptotic markers in male rats. Sci Rep 2018; 8:17139. [PMID: 30459330 PMCID: PMC6244357 DOI: 10.1038/s41598-018-35484-3] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2018] [Accepted: 11/06/2018] [Indexed: 01/24/2023] Open
Abstract
Male Wistar rats were exposed to herbicide, pendimethalin (PND) at varying oral doses of 62.5, 125 and 250 mg/kg b.w. for 14 days. Toxiological effects were assessed in terms of oxidative stress, DNA damage, histopathological alterations and induction of anti-inflammatory and apoptotic responses linked Bax, Bcl-2, IFN-γ, TNF-α and caspase-3 gene expression. In comparison with respective untreated controls, all exposure groups of PND exhibited significant changes in the oxidative stress markers (protein carbonylation and lipid peroxidation) and antioxidant defenses (GSH, SOD, CAT and GST) in liver and kidney tissues. The histopathological changes including leucocyte infiltration, pyknotic nuclei, necrosis, large bowman’s space, shrinked renal cortex, were observed in the liver and kidney tissues of PND exposed rats. Significant DNA damage was recorded through comet assay in liver and kidney cells of treated animals as compared to control. Alteration in anti-inflammatory and apoptotic genes expression determined by RT-PCR, revealed the activation of intrinsic apoptotic pathway(s) under the PND induced cellular stress. A pronounced increase in Bax expression, caspase-3 activities and decreased Bcl-2 expressions were also associated with PND-induced apoptosis. Data from this study suggests that PND induces cellular toxicity and genetic perturbations which can alter the normal cellular and physiological functioning in rats.
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Affiliation(s)
- Md Irshad Ahmad
- Department of Biochemistry, Faculty of Life Sciences, Aligarh Muslim University, Aligarh, U.P., 202002, India
| | - Mohd Faraz Zafeer
- Interdisciplinary Brain Research Centre, Faculty of Medicine, Aligarh Muslim University, Aligarh, U.P., 202002, India
| | - Mehjbeen Javed
- Aquatic Toxicology Research Laboratory, Department of Zoology, Aligarh Muslim University, Aligarh, U.P., 202002, India
| | - Masood Ahmad
- Department of Biochemistry, Faculty of Life Sciences, Aligarh Muslim University, Aligarh, U.P., 202002, India.
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Sanon A, Zakaria I, Clémentine L DB, Niango BM, Honora NRC. Potential of Botanicals to Control Callosobruchus maculatus (Col.: Chrysomelidae, Bruchinae), a Major Pest of Stored Cowpeas in Burkina Faso: A Review. INTERNATIONAL JOURNAL OF INSECT SCIENCE 2018; 10:1179543318790260. [PMID: 30090021 PMCID: PMC6077890 DOI: 10.1177/1179543318790260] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/13/2018] [Accepted: 07/01/2018] [Indexed: 06/08/2023]
Abstract
Cowpea is an essential food legume in the tropics and particularly for sub-Saharan African populations. Postharvest grain storage, however, is a major constraint for crop expansion and year-round availability due to the cowpea weevil, Callosobruchus maculatus F., the main storage pest of cowpeas in West Africa. The use of chemicals for cowpea storage is a common practice which represents, however, a risk for consumers, environment, and could also exacerbate pest control. In Burkina Faso, since the early 2000s, several scientific investigations have focused on the control of C maculatus using botanicals considered as promising and safe alternatives to chemicals. The aim of this review is to take stock of the research conducted and to identify the potential candidates on which future studies in this field will focus. The set of data analyzed show that several plants materials, including powders, crushed plants and essential oils (EO), were active against eggs, larvae, and adults of C maculatus, through dose-dependent mortality responses. However, EO extracted from native aromatic plants have yielded the most promising results, specifically EO from Ocimum canum appeared as the best candidate control agent. Other potentially interested EO tested included Hyptis suaveolens, Hyptis spicigera, and Lippia multiflora. Based on these results, attempts to optimize the use of EO for cowpea storage were conducted in laboratory and field conditions. Side effects of botanicals toward the main biological control agent, the ectoparasitoid Dinarmus basalis have also been highlighted. The results are discussed in a view of practical use of botanicals and EO as safe alternatives for Integrated Pest Management in stored cowpeas in Africa and developing countries.
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Affiliation(s)
- Antoine Sanon
- Laboratoire d’Entomologie Fondamentale et Appliquée, Université Ouaga I Pr Joseph Ki-Zerbo, Ouagadougou, Burkina Faso
| | - Ilboudo Zakaria
- Laboratoire d’Entomologie Fondamentale et Appliquée, Université Ouaga I Pr Joseph Ki-Zerbo, Ouagadougou, Burkina Faso
| | - Dabire-Binso Clémentine L
- Laboratoire d’Entomologie Agricole de Kamboinsé, Institut de l’Environnement et de Recherches Agricoles (INERA), Ouagadougou, Burkina Faso
| | - Ba Malick Niango
- Laboratoire d’Entomologie Agricole de Kamboinsé, Institut de l’Environnement et de Recherches Agricoles (INERA), Ouagadougou, Burkina Faso
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Abstract
No systematic reviews are available on data from humans on cancer risk from exposure to permethrin, a widely used insecticide for which some animal studies have reported positive findings based on mechanisms that may not be relevant to humans. We identified potentially relevant articles through a search of electronic databases which included all studies of pesticide exposure and human cancer. A total of 18 articles were selected, including six identified from the list of references of other articles. Most articles were based on analyzes of the Agriculture Health Study (AHS); they provided no evidence of an increased risk of cancers of colon, rectum, pancreas, lung, melanoma, female breast, prostate, urinary bladder, as well as non-Hodgkin lymphoma (including its main subtypes), and leukemia. An increased risk of multiple myeloma was reported among AHS members with the highest tertile of estimated permethrin exposure (odds ratio 5.01; 95% confidence interval 2.41-10.42; p for trend <0.01). A subsequent analysis with a larger number of cases found a less pronounced association between permethrin exposure and risk of multiple myeloma; no exposed cases were reported in a separate study. Two case-control studies of childhood leukemia reported an association with biological markers of permethrin metabolites; in another study self-reported exposure to permethrin was associated with risk in children below 1 year of age, but not in older children. In conclusion, permethrin exposure does not seem to entail a risk of cancer in humans. Results on multiple myeloma and childhood leukemia are weak and inconsistent, and require replication in independent populations.
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Affiliation(s)
- Paolo Boffetta
- a Tisch Cancer institute, Icahn School of Medicine at Mount Sinai , New York , NY , USA
| | - Vimi Desai
- a Tisch Cancer institute, Icahn School of Medicine at Mount Sinai , New York , NY , USA
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Chedik L, Bruyere A, Fardel O. Interactions of organophosphorus pesticides with solute carrier (SLC) drug transporters. Xenobiotica 2018; 49:363-374. [PMID: 29448871 DOI: 10.1080/00498254.2018.1442030] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
1. Organophosphorus pesticides (OPs) are known to interact with human ATP-binding cassette drug efflux pumps. The present study was designed to determine whether they can also target activities of human solute carrier (SLC) drug transporters. 2. The interactions of 13 OPs with SLC transporters involved in drug disposition, such as organic cation transporters (OCTs), multidrug and toxin extrusion proteins (MATEs), organic anion transporters (OATs) and organic anion transporting polypeptides (OATPs), were mainly investigated using transporter-overexpressing cell clones and fluorescent or radiolabeled reference substrates. 3. With a cut-off value of at least 50% modulation of transporter activity by 100 µM OPs, OAT1 and MATE2-K were not impacted, whereas OATP1B1 and MATE1 were inhibited by two and three OPs, respectively. OAT3 activity was similarly blocked by three OPs, and was additionally stimulated by one OP. Five OPs cis-stimulated OATP2B1 activity. Both OCT1 and OCT2 were inhibited by the same eight OPs, including fenamiphos and phosmet, with IC50 values however in the 3-30 µM range, likely not relevant to environmental exposure. 4. These data demonstrated that various OPs inhibit SLC drug transporter activities, especially those of OCT1 and OCT2, but only when used at high concentrations not expected to occur in environmentally-exposed humans.
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Affiliation(s)
- Lisa Chedik
- a Institut de Recherches en Santé, Environnement et Travail (IRSET) , UMR INSERM U1085, Université de Rennes 1 , Rennes , France
| | - Arnaud Bruyere
- a Institut de Recherches en Santé, Environnement et Travail (IRSET) , UMR INSERM U1085, Université de Rennes 1 , Rennes , France
| | - Olivier Fardel
- a Institut de Recherches en Santé, Environnement et Travail (IRSET) , UMR INSERM U1085, Université de Rennes 1 , Rennes , France.,b Pôle Biologie, Centre Hospitalier Universitaire , Rennes , France
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Abstract
Pyrethroids are commonly used around the home and in agricultural production to control insects. Human contact to one or more pyrethroid insecticides is likely. Numerous epidemiology studies have evaluated the association between health outcomes in humans and pyrethroid exposure. The purpose of this review was to identify and evaluate the quality of pyrethroid-related epidemiology studies that addressed chronic health effects, and compare findings with animal toxicology studies. We evaluated the quality of 61 studies published between 2000 and 2016 by using elements of outcome, exposure metric, exposure level, and study design. None of the 61 publications demonstrated strong quality for all elements. A few of the outcome measures were strong, particularly those relying upon medical diagnoses. Most of the pyrethroid epidemiology studies used a poor exposure metric, relying upon a single sample of pyrethroid urinary metabolites, which is subject to misclassification of past exposures. In addition, many studies were a cross-sectional design, preventing an evaluation of the temporality of the exposure-disease association. Furthermore, none of the effects observed in the epidemiological literature was concordant with toxicological effects noted in extensive testing of pyrethroids in animals. In order to provide more robust data on potential health outcomes from low dose exposure to pyrethroid insecticides, future epidemiological studies should fully characterize an adverse outcome, include exposure validation components, and quantify exposure over time.
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Affiliation(s)
- Carol J Burns
- a Burns Epidemiology Consulting, LLC , Sanford , MI , USA
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Tarone RE. On the International Agency for Research on Cancer classification of glyphosate as a probable human carcinogen. Eur J Cancer Prev 2018; 27:82-87. [PMID: 27552246 DOI: 10.1097/cej.0000000000000289] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
The recent classification by International Agency for Research on Cancer (IARC) of the herbicide glyphosate as a probable human carcinogen has generated considerable discussion. The classification is at variance with evaluations of the carcinogenic potential of glyphosate by several national and international regulatory bodies. The basis for the IARC classification is examined under the assumptions that the IARC criteria are reasonable and that the body of scientific studies determined by IARC staff to be relevant to the evaluation of glyphosate by the Monograph Working Group is sufficiently complete. It is shown that the classification of glyphosate as a probable human carcinogen was the result of a flawed and incomplete summary of the experimental evidence evaluated by the Working Group. Rational and effective cancer prevention activities depend on scientifically sound and unbiased assessments of the carcinogenic potential of suspected agents. Implications of the erroneous classification of glyphosate with respect to the IARC Monograph Working Group deliberative process are discussed.
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Affiliation(s)
- Robert E Tarone
- Robert Tarone retired in 2016 after 28 years as Mathematical Statistician at the US National Cancer Institute and 14 years as Biostatistics Director at the International Epidemiology Institute. Rockville, Maryland, USA
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Lehrer N, Sneegas G. Beyond polarization: using Q methodology to explore stakeholders' views on pesticide use, and related risks for agricultural workers, in Washington State's tree fruit industry. AGRICULTURE AND HUMAN VALUES 2018; 35:131-147. [PMID: 29643573 PMCID: PMC5890807 DOI: 10.1007/s10460-017-9810-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 06/15/2017] [Indexed: 06/08/2023]
Abstract
Controversies in food and agriculture abound, with many portrayed as conflicts between polarized viewpoints. Framing such controversies as dichotomies, however, can at times obscure what might be a plurality of views and potential common ground on the subject. We used Q methodology to explore stakeholders' views about pesticide safety, agricultural worker exposure, and human health concerns in the tree fruit industry of central Washington State. Using a purposive sample of English and Spanish-speaking agricultural workers, industry representatives, state agencies, educators, and advocates (n = 41), participants sorted 45 statements on pesticide use and perceived human safety risks in the tree fruit industry in 2011. We used PQMethod 2.33 statistical software program to identify viewpoints, based on differences between how participants sorted the statements. The results revealed three distinct viewpoints among 38 sorters that explained 52 percent of the variance. The viewpoints included the: (1) skeptics (n = 22) who expressed concern over the environmental and human health impacts of pesticide use; (2) acceptors (n = 10) who acknowledged inherent risks for using pesticides but saw the risks as known, small and manageable; and (3) incrementalists (n = 6) who prioritized opportunities to introduce human capital and technological improvements to increase agricultural worker safety. We then brought representatives with these different viewpoints together to analyze the results of the Q study, and to brainstorm mutually acceptable improvements to health and safety in tree fruit orchards. In describing and analyzing this case study, we argue that Q methodology can serve as one potentially effective tool for collaborative work, in this case facilitating a process of orchard safety improvements despite perceived stakeholder polarization.
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Affiliation(s)
- Nadine Lehrer
- Food Studies, Falk School of Sustainability and the Environment, Chatham University, Eden Hall Campus, 6035 Ridge Rd., Gibsonia, PA 15044, USA
| | - Gretchen Sneegas
- Department of Geography, University of Georgia, 210 Field Street, Room 204, Athens, GA 30602, USA
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