Biomarkers of Pesticide Exposure in a Traditional Brazilian Amazon Community

Cristal M. T. Fona, Antonio M. M. Miranda, Maria I. Jesus, Viviane M. Silva, Cássia C. S. Rocha, Amilton C. G. Costa and Rosivaldo A. Mendes ()
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Cristal M. T. Fona: Postgraduate Program in Health Surveillance and Epidemiology, Evandro Chagas Institute, Ananindeua 67030-000, Brazil
Antonio M. M. Miranda: Environment Section, Evandro Chagas Institute, Ananindeua 67030-000, Brazil
Maria I. Jesus: Environment Section, Evandro Chagas Institute, Ananindeua 67030-000, Brazil
Viviane M. Silva: Postgraduate Program in Health Surveillance and Epidemiology, Evandro Chagas Institute, Ananindeua 67030-000, Brazil
Cássia C. S. Rocha: Environment Section, Evandro Chagas Institute, Ananindeua 67030-000, Brazil
Amilton C. G. Costa: Environment Section, Evandro Chagas Institute, Ananindeua 67030-000, Brazil
Rosivaldo A. Mendes: Environment Section, Evandro Chagas Institute, Ananindeua 67030-000, Brazil

IJERPH, 2024, vol. 21, issue 11, 1-18

Abstract: In 2008, Brazil became the country with the highest pesticide use in the world, with over one billion liters of pesticides applied to crops in 2009. The impacts of these products on public health are wide-ranging. Vast territories are affected, involving different population groups, such as workers in various fields of activity, the population that consumes contaminated food, and people living around factories, such as traditional communities. This study aimed to assess human exposure to pesticides through epidemiological and laboratory data of residents of the Santo Antônio quilombola community in Concórdia do Pará, Amazon region, Brazil. Epidemiological data were collected using a semi-structured questionnaire, which included factors such as sex, age, length of residence, and level of exposure to pesticides. The modified Ellman method was used to assess the activity of cholinesterases, and flow cytometry was performed for cytokine analysis. Analysis of collected blood samples showed that, in most cases, there was no significant reduction in the activity of acetylcholinesterase (AChE) and butyrylcholinesterase (BChE) compared to other studies in the scientific literature. Meanwhile, there was an increase in the levels of IFN-γ cytokines, especially IL-6, in all groups. The findings of this study highlight the urgent need for a comprehensive monitoring program, considering that some conditions other than pesticide exposure can alter the activities of the biomarkers used in this study.

Keywords: butyrylcholinesterase; cholinesterase; cytokines; quilombola; traditional community (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2024
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