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Goldman SM, Weaver FM, Gonzalez B, Stroupe KT, Cao L, Colletta K, Brown EG, Tanner CM. Parkinson's Disease Progression and Exposure to Contaminated Water at Camp Lejeune. Mov Disord 2024. [PMID: 38988230 DOI: 10.1002/mds.29922] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2024] [Revised: 06/16/2024] [Accepted: 06/24/2024] [Indexed: 07/12/2024] Open
Abstract
BACKGROUND We recently reported an increased risk of Parkinson's disease (PD) in service members who resided at Marine Base Camp Lejeune, North Carolina, when water supplies were contaminated with trichloroethylene and other volatile organic compounds (VOCs). Prior studies suggest that environmental exposures may affect PD phenotype or progression, but this has not been reported for VOCs. OBJECTIVE The objective of this study was to test whether PD progression is faster in individuals exposed to VOCs in water at Camp Lejeune. METHODS A cohort of 172,128 marines residing at Camp Lejeune between 1975 and 1985 was previously assembled. We identified individuals with PD in Veterans Health Administration and Medicare databases between 2000 and 2021. Using estimates derived by the US Agency for Toxic Substances and Disease Registry, we classified individuals as exposed or unexposed to VOCs in residential water. We used Kaplan-Meier and Cox regression models to test differences between exposed and unexposed groups in the time from PD diagnosis until psychosis, fracture, fall, or death. RESULTS Among 270 persons with PD, 177 (65.6%) were exposed to VOCs in residential water. Median cumulative exposure was 4970 μg/L-months, >50-fold the permissible level. Time until psychosis, fracture, and fall were all shorter in the exposed group, with adjusted hazard ratios (HRs) exceeding 2: psychosis HR, 2.19 (95% confidence interval [CI]: 0.99-4.83); fracture HR, 2.44 (95% CI: 0.91-6.55); and fall HR, 2.64 (95% CI: 0.97-7.21). A significant dose response was observed for time to fall (P trend, 0.032). No differences were observed for time until death. CONCLUSIONS PD progression may be faster in persons exposed to trichloroethylene and other VOCs in water decades earlier. © 2024 The Author(s). Movement Disorders published by Wiley Periodicals LLC on behalf of International Parkinson and Movement Disorder Society. This article has been contributed to by U.S. Government employees and their work is in the public domain in the USA.
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Affiliation(s)
- Samuel M Goldman
- Division of Occupational, Environmental, and Climate Medicine, University of California San Francisco, San Francisco, California, USA
- Research Service, San Francisco Veterans Affairs Health Care System, San Francisco, California, USA
| | - Frances M Weaver
- Center of Innovation for Complex Chronic Healthcare, Hines Veterans Administration Hospital, Hines, Illinois, USA
- Parkinson School of Health Sciences and Public Health, Loyola University, Maywood, Illinois, USA
| | - Beverly Gonzalez
- Geriatrics and Extended Care Data Analysis Center, Canandaigua VA Medical Center, Canandaigua, New York, USA
| | - Kevin T Stroupe
- Center of Innovation for Complex Chronic Healthcare, Hines Veterans Administration Hospital, Hines, Illinois, USA
- Parkinson School of Health Sciences and Public Health, Loyola University, Maywood, Illinois, USA
| | - Lishan Cao
- Center of Innovation for Complex Chronic Healthcare, Hines Veterans Administration Hospital, Hines, Illinois, USA
| | - Kalea Colletta
- Movement Disorder Section, Hines Veterans Administration Hospital, Hines, Illinois, USA
| | - Ethan G Brown
- Research Service, San Francisco Veterans Affairs Health Care System, San Francisco, California, USA
- Geriatrics and Extended Care Data Analysis Center, Canandaigua VA Medical Center, Canandaigua, New York, USA
| | - Caroline M Tanner
- Research Service, San Francisco Veterans Affairs Health Care System, San Francisco, California, USA
- Geriatrics and Extended Care Data Analysis Center, Canandaigua VA Medical Center, Canandaigua, New York, USA
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2
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Yao Y, Liu J, Zhou L, Zhao T, He Z, Gong H, Li K. Design, Synthesis and Insecticidal Activity of Novel meta-Diamide Compounds Containing Pyridine Rings. Chem Biodivers 2024; 21:e202400816. [PMID: 38676699 DOI: 10.1002/cbdv.202400816] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2024] [Revised: 04/24/2024] [Accepted: 04/25/2024] [Indexed: 04/29/2024]
Abstract
In order to discover new meta-diamide compounds with good activity and novel structure, 15 related compounds were designed and synthesized by the bioisosterism principle with cyproflanilide as the lead compound. The insecticidal activities of these compounds against Plutella xylostella and Tetranychus cinnabarinus were tested, and the results of biological activity test showed that some compounds had more than 90 % insecticidal activity against Plutella xylostella at 1 mg/L and Tetranychus cinnabarinus at 100 mg/L. Especially, N-(2-bromo-6-(difluoromethoxy)-4-(perfluoro propan-2-yl)phenyl)-6-(isonicotinamido)picolinamide against Tetranychus cinnabarinus at 10 mg/L was 100 %, which was better than that of cyproflanilide. Molecular docking studies suggested that N-(2-bromo-6-(difluoromethoxy)-4-(perfluoropropan-2-yl)phenyl)-6-(4-cyano-2-methylbenzamido)picolinamide had a closely combined with the Plutella xylostella 3RHW (a glutamate-gated chloride channel). This study provides an avenue for designing and synthesizing a new generation of more effective pesticides.
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Affiliation(s)
- Yanyu Yao
- The key Laboratory for Green Organic Synthesis and Application of Hunan Province, College of Chemistry, Xiangtan University, Xiangtan, 411105, China
| | - Jiyong Liu
- CAC Nantong Chemical Co., Ltd., Nantong, 226407, China
| | - Liqi Zhou
- CAC Nantong Chemical Co., Ltd., Nantong, 226407, China
| | - Tingting Zhao
- CAC Nantong Chemical Co., Ltd., Nantong, 226407, China
| | - Zhen He
- The key Laboratory for Green Organic Synthesis and Application of Hunan Province, College of Chemistry, Xiangtan University, Xiangtan, 411105, China
| | - Hang Gong
- The key Laboratory for Green Organic Synthesis and Application of Hunan Province, College of Chemistry, Xiangtan University, Xiangtan, 411105, China
- College of Chemistry and Chemical Engineering, Yunnan Normal University, Kunming, 650500, China
| | - Kangming Li
- CAC Nantong Chemical Co., Ltd., Nantong, 226407, China
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Girón-Pérez DA, Espinoza-Gonzalez HD, Murillo Cisneros JA, Covantes-Rosales CE, Toledo-Ibarra GA, Díaz-Resendiz KJG, Barcelos-García RG, Benitez-Trinidad AB, Girón-Pérez MI. Diazoxon exposure increases susceptibility to infection by Salmonella Typhimurium. INTERNATIONAL JOURNAL OF ENVIRONMENTAL HEALTH RESEARCH 2024:1-12. [PMID: 38842028 DOI: 10.1080/09603123.2024.2363475] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/16/2024] [Accepted: 05/29/2024] [Indexed: 06/07/2024]
Abstract
Various exogenous factors, such as microbiological and chemical contamination condition food security. Salmonella Typhimurium (S. Typhimurium) is the cause of salmonellosis. This bacterium utilizes phagocytosis to create bacterial reservoirs. On the other hand, exposure to chemical contaminants, such as pesticides, increases susceptibility to numerous infections. Therefore, this research aims to evaluate the effect of co-exposure to diazoxon and S. Typhimurium on the in vitro infection dynamics. For this purpose, human mononuclear cells were pre-exposed in vitro to diazoxon and then challenged with S. Typhimurium at 1, 8, and 24 h. Bacterial internalization, actin polymerization, and reactive oxygen species (ROS) were analyzed. Obtained data show that mononuclear cells previously exposed to diazoxon exhibit greater internalization of S. Typhimurium. Likewise, greater ROS production and an increase in actin polymerization were observed. Therefore, in the proposed scenario, obtained data suggest that co-exposure to diazoxon and S. Typhimurium increases susceptibility to acquiring an illness.
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Affiliation(s)
- Daniel Alberto Girón-Pérez
- Laboratorio Nacional para la Investigación en Inocuidad Alimentaria (LANIIA)-Nayarit, Universidad Autónoma de Nayarit, Tepic, Nayarit, México
- Licenciatura en Biomedicina Ambiental Traslacional (LIBAT), Universidad Autónoma de Nayarit, Tepic, Nayarit, México
| | | | | | - Carlos Eduardo Covantes-Rosales
- Laboratorio Nacional para la Investigación en Inocuidad Alimentaria (LANIIA)-Nayarit, Universidad Autónoma de Nayarit, Tepic, Nayarit, México
- Licenciatura en Biomedicina Ambiental Traslacional (LIBAT), Universidad Autónoma de Nayarit, Tepic, Nayarit, México
| | - Gladys Alejandra Toledo-Ibarra
- Laboratorio Nacional para la Investigación en Inocuidad Alimentaria (LANIIA)-Nayarit, Universidad Autónoma de Nayarit, Tepic, Nayarit, México
- Licenciatura en Biomedicina Ambiental Traslacional (LIBAT), Universidad Autónoma de Nayarit, Tepic, Nayarit, México
| | - Karina Janice Guadalupe Díaz-Resendiz
- Laboratorio Nacional para la Investigación en Inocuidad Alimentaria (LANIIA)-Nayarit, Universidad Autónoma de Nayarit, Tepic, Nayarit, México
- Licenciatura en Biomedicina Ambiental Traslacional (LIBAT), Universidad Autónoma de Nayarit, Tepic, Nayarit, México
| | - Rocío Guadalupe Barcelos-García
- Laboratorio Nacional para la Investigación en Inocuidad Alimentaria (LANIIA)-Nayarit, Universidad Autónoma de Nayarit, Tepic, Nayarit, México
- Licenciatura en Biomedicina Ambiental Traslacional (LIBAT), Universidad Autónoma de Nayarit, Tepic, Nayarit, México
| | - Alma Betsaida Benitez-Trinidad
- Laboratorio Nacional para la Investigación en Inocuidad Alimentaria (LANIIA)-Nayarit, Universidad Autónoma de Nayarit, Tepic, Nayarit, México
- Licenciatura en Biomedicina Ambiental Traslacional (LIBAT), Universidad Autónoma de Nayarit, Tepic, Nayarit, México
| | - Manuel Iván Girón-Pérez
- Laboratorio Nacional para la Investigación en Inocuidad Alimentaria (LANIIA)-Nayarit, Universidad Autónoma de Nayarit, Tepic, Nayarit, México
- Licenciatura en Biomedicina Ambiental Traslacional (LIBAT), Universidad Autónoma de Nayarit, Tepic, Nayarit, México
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Sakowski SA, Koubek EJ, Chen KS, Goutman SA, Feldman EL. Role of the Exposome in Neurodegenerative Disease: Recent Insights and Future Directions. Ann Neurol 2024; 95:635-652. [PMID: 38411261 PMCID: PMC11023772 DOI: 10.1002/ana.26897] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Revised: 02/02/2024] [Accepted: 02/05/2024] [Indexed: 02/28/2024]
Abstract
Neurodegenerative diseases are increasing in prevalence and place a significant burden on society. The causes are multifactorial and complex, and increasing evidence suggests a dynamic interplay between genes and the environment, emphasizing the importance of identifying and understanding the role of lifelong exposures, known as the exposome, on the nervous system. This review provides an overview of recent advances toward defining neurodegenerative disease exposomes, focusing on Parkinson's disease, amyotrophic lateral sclerosis, and Alzheimer's disease. We present the current state of the field based on emerging data, elaborate on key themes and potential mechanisms, and conclude with limitations and future directions. ANN NEUROL 2024;95:635-652.
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Affiliation(s)
- Stacey A. Sakowski
- Department of Neurology, University of Michigan, Ann Arbor, MI 48109, USA
- NeuroNetwork for Emerging Therapies, University of Michigan, Ann Arbor, MI 48109, USA
| | - Emily J. Koubek
- Department of Neurology, University of Michigan, Ann Arbor, MI 48109, USA
- NeuroNetwork for Emerging Therapies, University of Michigan, Ann Arbor, MI 48109, USA
| | - Kevin S. Chen
- Department of Neurology, University of Michigan, Ann Arbor, MI 48109, USA
- NeuroNetwork for Emerging Therapies, University of Michigan, Ann Arbor, MI 48109, USA
- Department of Neurosurgery, University of Michigan, Ann Arbor, MI 48109, USA
| | - Stephen A. Goutman
- Department of Neurology, University of Michigan, Ann Arbor, MI 48109, USA
- NeuroNetwork for Emerging Therapies, University of Michigan, Ann Arbor, MI 48109, USA
| | - Eva L. Feldman
- Department of Neurology, University of Michigan, Ann Arbor, MI 48109, USA
- NeuroNetwork for Emerging Therapies, University of Michigan, Ann Arbor, MI 48109, USA
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5
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Brown EG, Goldman SM, Coffey CS, Siderowf A, Simuni T, Meng C, Brumm MC, Caspell-Garcia C, Marek K, Tanner CM. Occupational Pesticide Exposure in Parkinson's Disease Related to GBA and LRRK2 Variants. JOURNAL OF PARKINSON'S DISEASE 2024; 14:737-746. [PMID: 38820021 PMCID: PMC11191498 DOI: 10.3233/jpd-240015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2024]
Abstract
Background The penetrance of common genetic risk variants for Parkinson's disease (PD) is low. Pesticide exposure increases PD risk, but how exposure affects penetrance is not well understood. Objective To determine the relationship between occupational pesticide exposure and PD in people with LRRK2 and GBA risk variants. Methods Participants of the Parkinson's Progression Markers Initiative (PPMI) with a LRRK2-G2019 S or GBA risk variant provided information about occupational pesticide exposure. We compared exposure in carriers with and without PD. Among carriers with PD, we used Cox proportional hazard models to compare time-to impairment in balance, cognition, and activities of daily living (ADLs) between participants with and without prior occupational pesticide exposure. Results 378 participants with a risk variant provided exposure information; 176 with LRRK2-G2019 S (54 with and 122 without PD) and 202 with GBA variants (47 with and 155 without PD). Twenty-six participants reported pesticide exposure. People with a GBA variant and occupational pesticide exposure had much higher odds of PD (aOR: 5.4, 95% CI 1.7-18.5, p < 0.01). People with a LRRK2 variant and a history of occupational pesticide exposure had non-significantly elevated odds of PD (aOR 1.3, 95% CI 0.4-4.6, p = 0.7). Among those with PD, pesticide exposure was associated with a higher risk of balance problems and cognitive impairment in LRRK2-PD and functional impairment in GBA-PD, although associations were not statistically significant. Conclusions Occupational pesticide exposure may increase penetrance of GBA-PD and may be associated with faster symptom progression. Further studies in larger cohorts are necessary.
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Affiliation(s)
- Ethan G. Brown
- Department of Neurology, Weill Institute for Neurosciences, University of California San Francisco, San Francisco, CA, USA
| | - Samuel M. Goldman
- Division of Occupational, Environmental, and Climate Medicine, University of California San Francisco, San Francisco, CA, USA
| | | | - Andrew Siderowf
- Department of Neurology, University of Pennsylvania, Philadelphia, PA, USA
| | - Tanya Simuni
- Department of Neurology, Northwestern University, Evanston, IL, USA
| | - Cheryl Meng
- Department of Neurology, Weill Institute for Neurosciences, University of California San Francisco, San Francisco, CA, USA
| | - Michael C. Brumm
- Department of Biostatistics, University of Iowa, Iowa City, IA, USA
| | | | - Kenneth Marek
- Institute for Neurodegenerative Disorders, New Haven, CT, USA
| | - Caroline M. Tanner
- Department of Neurology, Weill Institute for Neurosciences, University of California San Francisco, San Francisco, CA, USA
| | - The Parkinson’s Progression Markers Initiative
- Department of Neurology, Weill Institute for Neurosciences, University of California San Francisco, San Francisco, CA, USA
- Division of Occupational, Environmental, and Climate Medicine, University of California San Francisco, San Francisco, CA, USA
- Department of Biostatistics, University of Iowa, Iowa City, IA, USA
- Department of Neurology, University of Pennsylvania, Philadelphia, PA, USA
- Department of Neurology, Northwestern University, Evanston, IL, USA
- Institute for Neurodegenerative Disorders, New Haven, CT, USA
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6
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Dorsey ER, Bloem BR. Parkinson's Disease Is Predominantly an Environmental Disease. JOURNAL OF PARKINSON'S DISEASE 2024; 14:451-465. [PMID: 38217613 PMCID: PMC11091623 DOI: 10.3233/jpd-230357] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 12/04/2023] [Indexed: 01/15/2024]
Abstract
Parkinson's disease is the world's fastest growing brain disorder, and exposure to environmental toxicants is the principal reason. In this paper, we consider alternative, but unsatisfactory, explanations for its rise, including improved diagnostic skills, aging populations, and genetic causes. We then detail three environmental toxicants that are likely among the main causes of Parkinson's disease- certain pesticides, the solvent trichloroethylene, and air pollution. All three environmental toxicants are ubiquitous, many affect mitochondrial functioning, and all can access humans via various routes, including inhalation and ingestion. We reach the hopeful conclusion that most of Parkinson's disease is thus preventable and that we can help to create a world where Parkinson's disease is increasingly rare.
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Affiliation(s)
- E. Ray Dorsey
- Center for Health + Technology and Department of Neurology, University of Rochester Medical Center, Rochester, NY, USA
| | - Bastiaan R. Bloem
- Department of Neurology, Radboud University Medical Centre, Donders Institute for Brain, Cognition and Behavior, Centre of Expertise for Parkinson and Movement Disorders, Nijmegen, the Netherlands
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7
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Dommershuijsen LJ, Darweesh SKL, Ben-Shlomo Y, Kluger BM, Bloem BR. The elephant in the room: critical reflections on mortality rates among individuals with Parkinson's disease. NPJ Parkinsons Dis 2023; 9:145. [PMID: 37857675 PMCID: PMC10587193 DOI: 10.1038/s41531-023-00588-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Accepted: 10/06/2023] [Indexed: 10/21/2023] Open
Grants
- S.K.L. Darweesh was supported in part by a Parkinson’s Foundation—Postdoctoral Fellowship (PF-FBS-2026) and a ZonMW Veni Award (09150162010183), and serves as an associate editor of Frontiers of Neurology and as an editorial board member of Brain Sciences.
- Parkinson’s UK
- Radboud Universitair Medisch Centrum (Radboudumc)
- B.R. Bloem currently serves as Editor in Chief for the Journal of Parkinson’s disease, serves on the editorial board of Practical Neurology and Digital Biomarkers, has received honoraria from serving on the scientific advisory board for Abbvie, Biogen and UCB, has received fees for speaking at conferences from AbbVie, Zambon, Roche, GE Healthcare and Bial, and has received research support from the Netherlands Organization for Scientific Research, the Michael J Fox Foundation, UCB, Abbvie, the Stichting Parkinson Fonds, the Hersenstichting Nederland, the Parkinson’s Foundation, Verily Life Sciences, Horizon 2020, the Topsector Life Sciences and Health, the Gatsby Foundation and the Parkinson Vereniging.
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Affiliation(s)
- Lisanne J Dommershuijsen
- Center of Expertise for Parkinson and Movement Disorders, Department of Neurology, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center, Nijmegen, The Netherlands.
| | - Sirwan K L Darweesh
- Center of Expertise for Parkinson and Movement Disorders, Department of Neurology, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Yoav Ben-Shlomo
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
| | - Benzi M Kluger
- Departments of Neurology and Medicine, University of Rochester Medical Center, Rochester, NY, USA
| | - Bastiaan R Bloem
- Center of Expertise for Parkinson and Movement Disorders, Department of Neurology, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center, Nijmegen, The Netherlands
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8
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Yoon SY, Park YH, Lee SC, Suh JH, Yang SN, Kang DR, Kim YW. Association between smoking and all-cause mortality in Parkinson's disease. NPJ Parkinsons Dis 2023; 9:59. [PMID: 37037842 PMCID: PMC10085986 DOI: 10.1038/s41531-023-00486-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2022] [Accepted: 03/03/2023] [Indexed: 04/12/2023] Open
Abstract
We aimed to investigate the association between smoking status and all-cause mortality of Parkinson's disease (PD). Among the whole nationwide population data from Korea National Health Insurance Service, newly diagnosed PD was selected, and all-cause mortality was evaluated. The systematic review was performed through a literature search on the PubMed, EMBASE, and Cochrane Central Register of Controlled Trials databases. Among 26,080 individuals with PD, there was no significant association between smoking status and all-cause mortality in a nationwide cohort study (ex-smoker, HR 0.1.03, 95% CI 0.97-1.10; current smoker, HR 1.06, 95% CI 0.96-1.16). The systematic review, including six prospective cohort studies, also found a nonsignificant association. PD smokers tended to have fewer deaths from neurologic causes but were significantly more likely to die from smoking-related cancers such as lung cancer. We presented a nonsignificant association between smoking and mortality of PD, and cigarette smoking is not recommended in individuals with PD.
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Affiliation(s)
- Seo Yeon Yoon
- Department and Research Institute of Rehabilitation Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - You Hyun Park
- Department of Biostatistics, Yonsei University, Seoul, Korea
| | - Sang Chul Lee
- Department and Research Institute of Rehabilitation Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Jee Hyun Suh
- Department of Rehabilitation Medicine, College of Medicine, Ewha Womans University, Seoul, Korea
| | - Seung Nam Yang
- Department of Physical Medicine & Rehabilitation, Korea University Guro Hospital, Seoul, Republic of Korea
| | - Dae Ryong Kang
- Department of Precision Medicine & Biostatistics, Yonsei University Wonju College of Medicine, Wonju, Republic of Korea.
| | - Yong Wook Kim
- Department and Research Institute of Rehabilitation Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea.
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Li S, Ritz B, Gong Y, Cockburn M, Folle AD, Del Rosario I, Yu Y, Zhang K, Castro E, Keener AM, Bronstein J, Paul KC. Proximity to residential and workplace pesticides application and the risk of progression of Parkinson's diseases in Central California. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 864:160851. [PMID: 36526213 PMCID: PMC11121507 DOI: 10.1016/j.scitotenv.2022.160851] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Revised: 12/05/2022] [Accepted: 12/07/2022] [Indexed: 06/17/2023]
Abstract
BACKGROUND Pesticide exposure has consistently been associated with Parkinson's disease (PD) onset. Yet, fewer epidemiologic studies have examined whether pesticides influence PD motor and non-motor symptom progression. OBJECTIVES Using a geographic information system tool that integrates agricultural pesticide use reports and land use records to derive ambient exposures at residences and workplaces, we assessed associations between specific pesticides previously related to PD onset with PD symptom progression in two PD patient cohorts living in agricultural regions of California. METHODS We calculated the pounds of pesticide applied agriculturally near each participant's residential or occupational addresses from 1974 to the year of PD diagnosis, using a geographic information system tool that links the California Pesticide Use Reports database to land use data. We examined 53 pesticides selected a priori as they have previously been associated with PD onset. We longitudinally followed two PD patient cohorts (PEG1 N = 242, PEG2 N = 259) for an average of 5.0 years (SD ± 3.5) and 2.7 years (SD ± 1.6) respectively and assessed PD symptoms using the movement disorder specialist-administered Unified Parkinson's disease Rating Scale part III (UPDRS), Mini-Mental State Examination (MMSE), and Geriatric Depression Scale (GDS). Weighted time-to-event regression models were implemented to estimate effects. RESULTS Ten agricultural pesticides, including copper sulfate (pentahydrate), 2-methyl-4-chlorophenoxyacetic acid (MCPA) dimethylamine salt, tribufos, sodium cacodylate, methamidophos, ethephon, propargite, bromoxynil octanoate, monosodium methanearsonate (MSMA), and dicamba, were associated with faster symptom progression. Among these pesticides, residential or workplace proximity to higher amounts of copper sulfate (pentahydrate) and MCPA (dimethylamine salt) was associated with all three progression endpoints (copper sulfate: HRs = 1.22-1.36, 95 % CIs = 1.03-1.73; MCPA: HRs = 1.27-1.35, 95 % CIs = 1.02-1.70). CONCLUSIONS Our findings suggest that pesticide exposure may not only be relevant for PD onset but also PD progression phenotypes. We have implicated ten specific pesticide active ingredients in faster PD motor and non-motor decline.
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Affiliation(s)
- Shiwen Li
- Department of Epidemiology, UCLA Fielding School of Public Health, Los Angeles, CA, USA
| | - Beate Ritz
- Department of Epidemiology, UCLA Fielding School of Public Health, Los Angeles, CA, USA; Department of Neurology, David Geffen School of Medicine, Los Angeles, CA, USA
| | - Yufan Gong
- Department of Epidemiology, UCLA Fielding School of Public Health, Los Angeles, CA, USA
| | - Myles Cockburn
- Department of Preventive Medicine, Keck School of Medicine, University of Southern California, CA, USA
| | - Aline Duarte Folle
- Department of Epidemiology, UCLA Fielding School of Public Health, Los Angeles, CA, USA
| | - Irish Del Rosario
- Department of Epidemiology, UCLA Fielding School of Public Health, Los Angeles, CA, USA
| | - Yu Yu
- Department of Epidemiology, UCLA Fielding School of Public Health, Los Angeles, CA, USA
| | - Keren Zhang
- Department of Epidemiology, UCLA Fielding School of Public Health, Los Angeles, CA, USA
| | - Emily Castro
- Department of Epidemiology, UCLA Fielding School of Public Health, Los Angeles, CA, USA
| | - Adrienne M Keener
- Department of Neurology, David Geffen School of Medicine, Los Angeles, CA, USA
| | - Jeff Bronstein
- Department of Neurology, David Geffen School of Medicine, Los Angeles, CA, USA
| | - Kimberly C Paul
- Department of Neurology, David Geffen School of Medicine, Los Angeles, CA, USA.
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10
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Costa HN, Esteves AR, Empadinhas N, Cardoso SM. Parkinson's Disease: A Multisystem Disorder. Neurosci Bull 2023; 39:113-124. [PMID: 35994167 PMCID: PMC9849652 DOI: 10.1007/s12264-022-00934-6] [Citation(s) in RCA: 19] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Accepted: 06/11/2022] [Indexed: 01/22/2023] Open
Abstract
The way sporadic Parkinson's disease (PD) is perceived has undergone drastic changes in recent decades. For a long time, PD was considered a brain disease characterized by motor disturbances; however, the identification of several risk factors and the hypothesis that PD has a gastrointestinal onset have shed additional light. Today, after recognition of prodromal non-motor symptoms and the pathological processes driving their evolution, there is a greater understanding of the involvement of other organ systems. For this reason, PD is increasingly seen as a multiorgan and multisystemic pathology that arises from the interaction of susceptible genetic factors with a challenging environment during aging-related decline.
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Affiliation(s)
- Helena Nunes Costa
- CNC-Center for Neuroscience and Cell Biology and CIBB-Center for Innovative Biomedicine and Biotechnology, University of Coimbra, 3004-504, Coimbra, Portugal
- IIIUC-Institute for Interdisciplinary Research, University of Coimbra, 3004-504, Coimbra, Portugal
| | - Ana Raquel Esteves
- CNC-Center for Neuroscience and Cell Biology and CIBB-Center for Innovative Biomedicine and Biotechnology, University of Coimbra, 3004-504, Coimbra, Portugal
- IIIUC-Institute for Interdisciplinary Research, University of Coimbra, 3004-504, Coimbra, Portugal
| | - Nuno Empadinhas
- CNC-Center for Neuroscience and Cell Biology and CIBB-Center for Innovative Biomedicine and Biotechnology, University of Coimbra, 3004-504, Coimbra, Portugal
- IIIUC-Institute for Interdisciplinary Research, University of Coimbra, 3004-504, Coimbra, Portugal
| | - Sandra Morais Cardoso
- CNC-Center for Neuroscience and Cell Biology and CIBB-Center for Innovative Biomedicine and Biotechnology, University of Coimbra, 3004-504, Coimbra, Portugal.
- Faculty of Medicine, University of Coimbra, 3004-504, Coimbra, Portugal.
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11
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Arab A, Mostafalou S. Neurotoxicity of pesticides in the context of CNS chronic diseases. INTERNATIONAL JOURNAL OF ENVIRONMENTAL HEALTH RESEARCH 2022; 32:2718-2755. [PMID: 34663153 DOI: 10.1080/09603123.2021.1987396] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Accepted: 09/26/2021] [Indexed: 06/13/2023]
Abstract
Following the introduction and application of pesticides in human life, they have always been along with health concerns both in acute poisoning and chronic toxicities. Neurotoxicity of pesticides in chronic exposures has been known as one of the most important human health problems, as most of these chemicals act through interacting with some elements of nervous system. Pesticide-induced neurotoxicity can be defined in different categories of neurological disorders including neurodegenerative (Alzheimer, Parkinson, amyotrophic lateral sclerosis, multiple sclerosis), neurodevelopmental (attention deficit hyperactivity disorder, autism spectrum disorders, developmental delay, and intellectual disability), neurobehavioral and neuropsychiatric (depression/suicide attempt, anxiety/insomnia, and cognitive impairment) disorders some of which are among the most debilitating human health problems. In this review, neurotoxicity of pesticides in the mentioned categories and sub-categories of neurological diseases have been systematically presented in relation to different route of exposures including general, occupational, environmental, prenatal, postnatal, and paternal.
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Affiliation(s)
- Ali Arab
- Department of Pharmacology and Toxicology, School of Pharmacy, Ardabil University of Medical Sciences, Ardabil, Iran
| | - Sara Mostafalou
- Department of Pharmacology and Toxicology, School of Pharmacy, Ardabil University of Medical Sciences, Ardabil, Iran
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12
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Merhi A, Kordahi R, Hassan HF. A review on the pesticides in coffee: Usage, health effects, detection, and mitigation. Front Public Health 2022; 10:1004570. [PMID: 36424972 PMCID: PMC9681499 DOI: 10.3389/fpubh.2022.1004570] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Accepted: 09/05/2022] [Indexed: 11/10/2022] Open
Abstract
Coffee is considered among the most popular beverages and is classified as the second most exported item worldwide. The presence of pesticides in this staple commodity is a challenge to import and export activities, in addition to the fact that pesticides are toxins of public health concern. Even if pesticides are applied properly and their residues are within the acceptable range, it is important to know the fate of these pesticides prior to their ingestion. A plethora of research has been done to optimize methods and thus to have valid procedures to test for the presence of pesticides in coffee. In this review, the analytical methods used in these articles to detect and quantify the pesticides in coffee beans, roasted coffee, and coffee infusion were identified. This review highlights as well the main factors that play a key role in having good separation, identification, and recovery of pesticide residues in the aforementioned items. In addition, the review explains the effect of pesticides on human health and the mitigation techniques for pesticide exposure.
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Pesticides and Their Impairing Effects on Epithelial Barrier Integrity, Dysbiosis, Disruption of the AhR Signaling Pathway and Development of Immune-Mediated Inflammatory Diseases. Int J Mol Sci 2022; 23:ijms232012402. [PMID: 36293259 PMCID: PMC9604036 DOI: 10.3390/ijms232012402] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 10/04/2022] [Accepted: 10/12/2022] [Indexed: 11/16/2022] Open
Abstract
The environmental and occupational risk we confront from agricultural chemicals increases as their presence in natural habitats rises to hazardous levels, building a major part of the exposome. This is of particular concern in low- and middle-income countries, such as Brazil, known as a leading producer of agricultural commodities and consumer of pesticides. As long as public policies continue to encourage the indiscriminate use of pesticides and governments continue to support this strategy instead of endorsing sustainable agricultural alternatives, the environmental burden that damages epithelial barriers will continue to grow. Chronic exposure to environmental contaminants in early life can affect crucial barrier tissue, such as skin epithelium, airways, and intestine, causing increased permeability, leaking, dysbiosis, and inflammation, with serious implications for metabolism and homeostasis. This vicious cycle of exposure to environmental factors and the consequent damage to the epithelial barrier has been associated with an increase in immune-mediated chronic inflammatory diseases. Understanding how the harmful effects of pesticides on the epithelial barrier impact cellular interactions mediated by endogenous sensors that coordinate a successful immune system represents a crucial challenge. In line with the epithelial barrier hypothesis, this narrative review reports the available evidence on the effects of pesticides on epithelial barrier integrity, dysbiosis, AhR signaling, and the consequent development of immune-mediated inflammatory diseases.
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14
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Zúñiga-Venegas LA, Hyland C, Muñoz-Quezada MT, Quirós-Alcalá L, Butinof M, Buralli R, Cardenas A, Fernandez RA, Foerster C, Gouveia N, Gutiérrez Jara JP, Lucero BA, Muñoz MP, Ramírez-Santana M, Smith AR, Tirado N, van Wendel de Joode B, Calaf GM, Handal AJ, Soares da Silva A, Cortés S, Mora AM. Health Effects of Pesticide Exposure in Latin American and the Caribbean Populations: A Scoping Review. ENVIRONMENTAL HEALTH PERSPECTIVES 2022; 130:96002. [PMID: 36173136 PMCID: PMC9521041 DOI: 10.1289/ehp9934] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2021] [Revised: 08/08/2022] [Accepted: 08/12/2022] [Indexed: 05/23/2023]
Abstract
BACKGROUND Multiple epidemiological studies have shown that exposure to pesticides is associated with adverse health outcomes. However, the literature on pesticide-related health effects in the Latin American and the Caribbean (LAC) region, an area of intensive agricultural and residential pesticide use, is sparse. We conducted a scoping review to describe the current state of research on the health effects of pesticide exposure in LAC populations with the goal of identifying knowledge gaps and research capacity building needs. METHODS We searched PubMed and SciELO for epidemiological studies on pesticide exposure and human health in LAC populations published between January 2007 and December 2021. We identified 233 publications from 16 countries that met our inclusion criteria and grouped them by health outcome (genotoxicity, neurobehavioral outcomes, placental outcomes and teratogenicity, cancer, thyroid function, reproductive outcomes, birth outcomes and child growth, and others). RESULTS Most published studies were conducted in Brazil (37%, n = 88 ) and Mexico (20%, n = 46 ), were cross-sectional in design (72%, n = 167 ), and focused on farmworkers (45%, n = 105 ) or children (21%, n = 48 ). The most frequently studied health effects included genotoxicity (24%, n = 62 ) and neurobehavioral outcomes (21%, n = 54 ), and organophosphate (OP) pesticides were the most frequently examined (26%, n = 81 ). Forty-seven percent (n = 112 ) of the studies relied only on indirect pesticide exposure assessment methods. Exposure to OP pesticides, carbamates, or to multiple pesticide classes was consistently associated with markers of genotoxicity and adverse neurobehavioral outcomes, particularly among children and farmworkers. DISCUSSION Our scoping review provides some evidence that exposure to pesticides may adversely impact the health of LAC populations, but methodological limitations and inconsistencies undermine the strength of the conclusions. It is critical to increase capacity building, integrate research initiatives, and conduct more rigorous epidemiological studies in the region to address these limitations, better inform public health surveillance systems, and maximize the impact of research on public policies. https://doi.org/10.1289/EHP9934.
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Affiliation(s)
- Liliana A. Zúñiga-Venegas
- Centro de Investigaciones de Estudios Avanzados del Maule, Universidad Católica del Maule, Talca, Chile
| | - Carly Hyland
- Center for Environmental Research and Community Health, School of Public Health, University of California, Berkeley, Berkeley, California, USA
- School of Public Health and Population Science, Boise State University, Boise, Idaho, USA
| | - María Teresa Muñoz-Quezada
- Centro de Investigación en Neuropsicología y Neurociencias Cognitivas, Facultad de Ciencias de la Salud, Universidad Católica del Maule, Talca, Chile
| | - Lesliam Quirós-Alcalá
- Department of Environmental Health and Engineering, Bloomberg School of Public Health, John Hopkins University, Baltimore, Maryland, USA
- Maryland Institute of Applied Environmental Health, School of Public Health, University of Maryland, College Park, Maryland, USA
| | - Mariana Butinof
- Facultad de Ciencias Médicas, Universidad Nacional de Córdoba, Córdoba, Argentina
| | - Rafael Buralli
- Departamento de Saúde Ambiental, Faculdade de Saúde Pública, Universidade de São Paulo, São Paulo, Brasil
| | - Andres Cardenas
- Center for Environmental Research and Community Health, School of Public Health, University of California, Berkeley, Berkeley, California, USA
| | - Ricardo A. Fernandez
- Facultad de Ciencias de la Salud, Universidad Católica de Córdoba, Córdoba, Argentina
| | - Claudia Foerster
- Instituto de Ciencias de la Agroalimentarias, Animales y Ambientales, Universidad de O’Higgins, San Fernando, Chile
| | - Nelson Gouveia
- Departamento de Medicina Preventiva, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brasil
| | - Juan P. Gutiérrez Jara
- Centro de Investigaciones de Estudios Avanzados del Maule, Universidad Católica del Maule, Talca, Chile
| | - Boris A. Lucero
- Centro de Investigación en Neuropsicología y Neurociencias Cognitivas, Facultad de Ciencias de la Salud, Universidad Católica del Maule, Talca, Chile
| | - María Pía Muñoz
- Escuela de Salud Pública, Facultad de Medicina, Universidad de Chile, Santiago, Chile
| | - Muriel Ramírez-Santana
- Departamento de Salud Pública, Facultad de Medicina, Universidad Católica del Norte, Coquimbo, Chile
| | - Anna R. Smith
- Center for Environmental Research and Community Health, School of Public Health, University of California, Berkeley, Berkeley, California, USA
| | - Noemi Tirado
- Instituto de Genética, Facultad de Medicina, Universidad Mayor de San Andrés, Louisiana Paz, Bolivia
| | - Berna van Wendel de Joode
- Infants’ Environmental Health Study, Central American Institute for Studies on Toxic Substances, Universidad Nacional, Heredia, Costa Rica
| | - Gloria M. Calaf
- Instituto de Alta Investigación, Universidad de Tarapacá, Arica, Chile
- Columbia University Medical Center, New York, New York, USA
| | - Alexis J. Handal
- Department of Epidemiology, University of Michigan School of Public Health, Ann Arbor, Michigan, USA
| | | | - Sandra Cortés
- Centro Avanzado de Enfermedades Crónicas (ACCDiS), Centro de Desarrollo Urbano Sustentable, Departamento de Salud Pública, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Ana M. Mora
- Center for Environmental Research and Community Health, School of Public Health, University of California, Berkeley, Berkeley, California, USA
- Infants’ Environmental Health Study, Central American Institute for Studies on Toxic Substances, Universidad Nacional, Heredia, Costa Rica
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15
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Kumar D, Sinha SN, Ungarala R, Mungamuri SK, Kasturi V. A simple and sensitive liquid chromatography–tandem mass spectrometry method for quantification of multi‐residual pesticides in blood. SEPARATION SCIENCE PLUS 2022. [DOI: 10.1002/sscp.202100067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Dileshwar Kumar
- Division of Food Safety Indian Council of Medical Research ‐ National Institute of Nutrition Jamai‐Osmania Hyderabad Telangana 500007 India
| | - Sukesh Narayan Sinha
- Division of Food Safety Indian Council of Medical Research ‐ National Institute of Nutrition Jamai‐Osmania Hyderabad Telangana 500007 India
| | - Ramakrishna Ungarala
- Division of Food Safety Indian Council of Medical Research ‐ National Institute of Nutrition Jamai‐Osmania Hyderabad Telangana 500007 India
| | - Sathish Kumar Mungamuri
- Division of Food Safety Indian Council of Medical Research ‐ National Institute of Nutrition Jamai‐Osmania Hyderabad Telangana 500007 India
| | - Vasudev Kasturi
- Division of Food Safety Indian Council of Medical Research ‐ National Institute of Nutrition Jamai‐Osmania Hyderabad Telangana 500007 India
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Lopes-Ferreira M, Maleski ALA, Balan-Lima L, Bernardo JTG, Hipolito LM, Seni-Silva AC, Batista-Filho J, Falcao MAP, Lima C. Impact of Pesticides on Human Health in the Last Six Years in Brazil. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19063198. [PMID: 35328887 PMCID: PMC8951416 DOI: 10.3390/ijerph19063198] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 01/26/2022] [Accepted: 01/28/2022] [Indexed: 12/15/2022]
Abstract
Every year, Brazil intensifies its activity in agriculture and, as a result, it has become one of the biggest consumers of pesticides in the world. The high rate of these substances raises environmental and human health concerns. Therefore, we collected papers from PubMed, Scopus, Scielo, and Web of Science databases, from 2015 to 2021. After a blind selection using the software Rayyan QCRI by two authors, 51 studies were included. Researchers from the South and the Southeast Brazilian regions contributed to most publications, from areas that concentrate agricultural commodity complexes. Among the pesticides described in the studies, insecticides, herbicides, and fungicides were the most frequent. The articles reported multiple toxic effects, particularly in rural workers. The results obtained can be used to direct policies to reduce the use of pesticides, and to protect the health of the population.
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Affiliation(s)
- Monica Lopes-Ferreira
- Immunoregulation Unit of the Laboratory of Applied Toxinology (CeTICs/FAPESP), Butantan Institute, Vital Brazil Avenue, 1500, Butantan, São Paulo 05503-009, Brazil; (A.L.A.M.); (L.B.-L.); (J.T.G.B.); (L.M.H.); (A.C.S.-S.); (J.B.-F.); (M.A.P.F.); (C.L.)
- Correspondence:
| | - Adolfo Luis Almeida Maleski
- Immunoregulation Unit of the Laboratory of Applied Toxinology (CeTICs/FAPESP), Butantan Institute, Vital Brazil Avenue, 1500, Butantan, São Paulo 05503-009, Brazil; (A.L.A.M.); (L.B.-L.); (J.T.G.B.); (L.M.H.); (A.C.S.-S.); (J.B.-F.); (M.A.P.F.); (C.L.)
- Post-Graduation Program of Toxinology, Butantan Institute, São Paulo 05503-009, Brazil
| | - Leticia Balan-Lima
- Immunoregulation Unit of the Laboratory of Applied Toxinology (CeTICs/FAPESP), Butantan Institute, Vital Brazil Avenue, 1500, Butantan, São Paulo 05503-009, Brazil; (A.L.A.M.); (L.B.-L.); (J.T.G.B.); (L.M.H.); (A.C.S.-S.); (J.B.-F.); (M.A.P.F.); (C.L.)
| | - Jefferson Thiago Gonçalves Bernardo
- Immunoregulation Unit of the Laboratory of Applied Toxinology (CeTICs/FAPESP), Butantan Institute, Vital Brazil Avenue, 1500, Butantan, São Paulo 05503-009, Brazil; (A.L.A.M.); (L.B.-L.); (J.T.G.B.); (L.M.H.); (A.C.S.-S.); (J.B.-F.); (M.A.P.F.); (C.L.)
| | - Lucas Marques Hipolito
- Immunoregulation Unit of the Laboratory of Applied Toxinology (CeTICs/FAPESP), Butantan Institute, Vital Brazil Avenue, 1500, Butantan, São Paulo 05503-009, Brazil; (A.L.A.M.); (L.B.-L.); (J.T.G.B.); (L.M.H.); (A.C.S.-S.); (J.B.-F.); (M.A.P.F.); (C.L.)
| | - Ana Carolina Seni-Silva
- Immunoregulation Unit of the Laboratory of Applied Toxinology (CeTICs/FAPESP), Butantan Institute, Vital Brazil Avenue, 1500, Butantan, São Paulo 05503-009, Brazil; (A.L.A.M.); (L.B.-L.); (J.T.G.B.); (L.M.H.); (A.C.S.-S.); (J.B.-F.); (M.A.P.F.); (C.L.)
- Post-Graduation Program of Toxinology, Butantan Institute, São Paulo 05503-009, Brazil
| | - Joao Batista-Filho
- Immunoregulation Unit of the Laboratory of Applied Toxinology (CeTICs/FAPESP), Butantan Institute, Vital Brazil Avenue, 1500, Butantan, São Paulo 05503-009, Brazil; (A.L.A.M.); (L.B.-L.); (J.T.G.B.); (L.M.H.); (A.C.S.-S.); (J.B.-F.); (M.A.P.F.); (C.L.)
- Post-Graduation Program of Toxinology, Butantan Institute, São Paulo 05503-009, Brazil
| | - Maria Alice Pimentel Falcao
- Immunoregulation Unit of the Laboratory of Applied Toxinology (CeTICs/FAPESP), Butantan Institute, Vital Brazil Avenue, 1500, Butantan, São Paulo 05503-009, Brazil; (A.L.A.M.); (L.B.-L.); (J.T.G.B.); (L.M.H.); (A.C.S.-S.); (J.B.-F.); (M.A.P.F.); (C.L.)
| | - Carla Lima
- Immunoregulation Unit of the Laboratory of Applied Toxinology (CeTICs/FAPESP), Butantan Institute, Vital Brazil Avenue, 1500, Butantan, São Paulo 05503-009, Brazil; (A.L.A.M.); (L.B.-L.); (J.T.G.B.); (L.M.H.); (A.C.S.-S.); (J.B.-F.); (M.A.P.F.); (C.L.)
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Cyanotoxins and the Nervous System. Toxins (Basel) 2021; 13:toxins13090660. [PMID: 34564664 PMCID: PMC8472772 DOI: 10.3390/toxins13090660] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Revised: 08/31/2021] [Accepted: 09/09/2021] [Indexed: 11/16/2022] Open
Abstract
Cyanobacteria are capable of producing a wide range of bioactive compounds with many considered to be toxins. Although there are a number of toxicological outcomes with respect to cyanobacterial exposure, this review aims to examine those which affect the central nervous system (CNS) or have neurotoxicological properties. Such exposures can be acute or chronic, and we detail issues concerning CNS entry, detection and remediation. Exposure can occur through a variety of media but, increasingly, exposure through air via inhalation may have greater significance and requires further investigation. Even though cyanobacterial toxins have traditionally been classified based on their primary mode of toxicity, increasing evidence suggests that some also possess neurotoxic properties and include known cyanotoxins and unknown compounds. Furthermore, chronic long-term exposure to these compounds is increasingly being identified as adversely affecting human health.
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18
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Paraquat induces redox imbalance and disrupts glutamate and energy metabolism in the hippocampus of prepubertal rats. Neurotoxicology 2021; 85:121-132. [PMID: 34048864 DOI: 10.1016/j.neuro.2021.05.010] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Revised: 05/20/2021] [Accepted: 05/20/2021] [Indexed: 01/30/2023]
Abstract
Paraquat (1,1'-dimethyl-4,4'-bipyridinium dichloride; PQ) is a widely used herbicide in Brazilian crops, despite its banishment in many other countries. The present study investigated the effects of repeated dose of PQ on glutamate system, energy metabolism and redox parameters in the hippocampus of prepubertal rats. Twenty-two-day-old rats received daily intraperitoneal injections of PQ (10 mg/Kg) during 5 consecutive days and the effects of the pesticide were assessed 24 h after the last injection. The PQ exposure provoked cytotoxicity associated to decreased cell viability and increased glutamate excitotoxicity, as demonstrated by decreased 14C-glutamate uptake and increased 45Ca2+ uptake. Downregulated glutamine synthetase (GS) activity, further supports disrupted glutamate metabolism compromising the glutamate-glutamine cycle. Downregulated 14C-2-Deoxy-D-glucose indicates energy failure and upregulated lactate dehydrogenase (LDH) suggests the relevance of lactate as energy fuel. Aspartate aminotransferase (AST) and alanine aminotransferase (ALT) upregulation suggest Krebs cycle replenishment and piruvate production. In addition, PQ disturbed the redox status inducing lipid peroxidation, evaluated by increased TBARS and imbalanced antioxidant system. Downregulated glutathione reductase (GR), gamma-glutamyltransferase (GGT), glutathione-S-transferase (GST) and glucose-6-P-dehydrogenase (G6PD) activities together with upregulated superoxide dismutase (SOD) and catalase activities corroborate the oxidative imbalance. The mechanisms underlying PQ-induced neurotoxicity involves the modulation of GSK-3β, NF-κB and NMDA receptors. These neurochemical and oxidative events observed may contribute to neuroinflammation and neurotoxic effects of PQ on hippocampal cells.
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19
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Valenzuela EF, de Paula FF, Teixeira APC, Menezes HC, Cardeal ZL. Assessment of pesticides in water using time-weighted average calibration of passive sampling device manufactured with carbon nanomaterial coating on stainless steel wire. Anal Bioanal Chem 2021; 413:3315-3327. [PMID: 33733701 DOI: 10.1007/s00216-021-03270-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 01/29/2021] [Accepted: 03/04/2021] [Indexed: 10/21/2022]
Abstract
The continued contamination of water sources by pesticides is a problem that involves the life of aquatic organisms and human health, especially in countries whose economy is based on agriculture. The need to know the quality of drinking water under these circumstances is a priority for the public health of any community. Passive sampling methods allow the determination of long-term environmental pollutants through a single sample collection, reducing time and cost of analyses. One advantage of passive sampling is that it is possible to calculate a time-weighted average (TWA) concentration value or an equilibrium concentration value, depending on the type of device used and the exposure time. Passive sampling techniques using carbon nanomaterials (CNMs) have a high potential for pesticide sampling in aquatic systems. A device for passive sampling manufactured with CNMs in a microextraction system and recyclable materials was calibrated in laboratory exposure conditions over 15 days. The calibration results showed linear accumulation periods between 5 and 10 days. Sampling rates were between 0.014 and 0.146 mL day-1. The sampler was field-tested in the San Francisco river basin in the state of Minas Gerais in Brazil for 7 days. This research allowed for the detection and calculation of TWA concentrations for organochlorine pesticides such as α-HCH, 4,4-DDE, and 4,4-DD in water sources. The manufactured device demonstrated greater sensitivity than the grab sampling processes for the detection of pesticides. The performed passive sampling system using gas chromatography/mass spectrometry (GC/MS) technique allowed for the collection, detection, identification, and quantification of 26 pesticides.
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Affiliation(s)
- Eduard F Valenzuela
- Departamento de Química, ICEx, Universidade Federal de Minas Gerais, Avenida Antônio Carlos, 6627, Belo Horizonte, MG, 31270901, Brazil
| | - Fabiano F de Paula
- Departamento de Química, ICEx, Universidade Federal de Minas Gerais, Avenida Antônio Carlos, 6627, Belo Horizonte, MG, 31270901, Brazil
| | - Ana Paula C Teixeira
- Departamento de Química, ICEx, Universidade Federal de Minas Gerais, Avenida Antônio Carlos, 6627, Belo Horizonte, MG, 31270901, Brazil
| | - Helvécio C Menezes
- Departamento de Química, ICEx, Universidade Federal de Minas Gerais, Avenida Antônio Carlos, 6627, Belo Horizonte, MG, 31270901, Brazil
| | - Zenilda L Cardeal
- Departamento de Química, ICEx, Universidade Federal de Minas Gerais, Avenida Antônio Carlos, 6627, Belo Horizonte, MG, 31270901, Brazil.
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