ArticleEnvironmental science and pollution research international2019
Relationship between internal and external factors and the activity of PON1.
Article in Environmental science and pollution research international, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed, 15 citations in OpenAlex.
- Organophosphorus pesticide exposure biomarkers in a Mexican population.Environmental science and pollution research international · 2021Article
- A targeted multi-omics approach reveals paraoxonase-1 as a determinant of obesity-associated fatty liver disease.Clinical epigenetics · 2021Article
- Connecting inorganic mercury and lead measurements in blood to dietary sources of exposure that may impact child development.World journal of methodology · 2021Review
- Paraoxonase Role in Human Neurodegenerative Diseases.Antioxidants (Basel, Switzerland) · 2020Review
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Authors and funding
7 authors at 3 institutions in 1 country.
Funding
Abstract
Paraoxonase 1 (PON1) is an A-esterase calcium-dependent enzyme that is associated with high-density lipoprotein (HDL) and capable of hydrolyzing a wide variety of substrates, including organophosphate (OP) pesticides. The PON1 phenotype can be modulated by multiple internal and external factors, thereby affecting the catalytic capacity of the enzyme. The aim of this study was to evaluate factors that could modulate PON1 activity in a sample occupationally exposed to pesticides. A cross-sectional, descriptive, and analytical study was carried out with 240 workers. The participants were stratified according to their level of pesticide exposure as reference, moderate-exposure, and high-exposure groups. PON1 activities (arylesterase/AREase, CMPAase, and ssPONase (salt-stimulated)) were determined by spectrophotometry, and the Q192R and L55MPON1 genotypes by real-time PCR. The most frequent genotypes were heterozygous (QR) and homozygous (LL) for PON1Q192R and PON1L55M polymorphisms, respectively. The internal factors associated with the activity of PON1 were the PON1 genotypes (55 and 192) and biochemical parameters related to the lipid profile, in contrast, various external factors related to diet and harmful habits as well as with exposure to pesticides were associated with the activity of PON1. However, using a multivariate mixed ordinal regression model, we found a significant reduction of ssPONase activity in the high-exposure group compared with the reference group only in haplotypes QQLL and RRLL.
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