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Acute intoxication with cholinesterase inhibiting organophosphates (OP) can produce life-threatening cholinergic crisis and status epilepticus (SE). Survivors often develop long-term neurological consequences, including spontaneous recurrent seizures (SRS) and impaired cognition. Numerous studies implicate OP-induced neuroinflammation as a pathogenic mechanism contributing to these chronic sequelae; however, little is known about the inflammatory phenotype of innate immune cells in the brain following acute OP intoxication.

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Biomonitoring of pesticide exposure has become a public concern because of its potential health effects. The present study investigated the acetylcholinesterase (AChE) inhibitory levels and their associated health effects in agricultural areas in Telangana, India. This cross-sectional included 341 exposed participants and 152 control participants from agricultural areas.

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Comparing Longitudinal Measures of Cholinesterase as Biomarkers for Insecticide Exposure Among Latinx Children in Rural Farmworker and Urban Nonfarmworker Communities in North Carolina.

J Occup Environ Med

December 2023

From the Department of Epidemiology and Prevention, Division of Public Health Sciences, and Center for Worker Health, Wake Forest University School of Medicine, Winston-Salem, North Carolina (S.A.Q.); Department of Biostatistics and Data Science, Division of Public Health Sciences, Wake Forest University School of Medicine, Winston-Salem, North Carolina (S.A.S., H.C.); Department of Family and Community Medicine, and Center for Worker Health, Wake Forest University School of Medicine, Winston-Salem, North Carolna (T.A.A.); Department of Physiological Sciences, Center for Veterinary Sciences, Oklahoma State University, Stillwater, Oklahoma (K.H.); Department of Physiological Sciences, Center for Veterinary Sciences, Oklahoma State University, Stillwater, Oklahoma (C.N.P.); Department of Environmental and Molecular Toxicology, Oregon State University, Corvallis, Oregon (K.A.A.); and Department of Radiology, Wake Forest University School of Medicine, Winston-Salem, North Carolina (P.J.L.).

Objective: In a 2-group prospective design, this study compared seasonal cholinesterase levels of Latinx children in rural farmworker families and comparable urban children to assess the impact of environmental exposure to cholinesterase-inhibiting insecticides.

Methods: Quarterly blood samples and passive dosimeter wristbands were collected over 2 years in 8-year-old children (74 rural, 62 urban). Laboratory analysis assessed total cholinesterase, acetylcholinesterase, and butyrylcholinesterase from blood samples, and insecticides from wristbands.

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Objective: The aim of this study is to evaluate the effects of occupational exposure of federal highway police (PRF) officers to cholinesterase-inhibiting insecticides.

Methods: We evaluate erythrocyte and plasma cholinesterase activity, pulse rate, systolic and diastolic pressure, and clinical evaluation through the Mini-Mental State Examination and the Diagnostic and Statistical Manual of Mental Disorders , Fifth Edition .

Results: All PRF officers evaluated were male, between 22 and 49 years of age.

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