ArticleAnnals of global health2018
Exposure to Mixtures of Pollutants in Mexican Children from Marginalized Urban Areas.
Article in Annals of global health, 2018. 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, 21 citations in OpenAlex.
- Levels of exposure markers among residents in environmentally vulnerable areas in Korea, the general population in Korea, and Asians in the United States.Epidemiology and health · 2025Article
- Evaluation of respiratory function and biomarkers of exposure to mixtures of pollutants in brick-kilns workers from a marginalized urban area in Mexico.Environmental science and pollution research international · 2021Article
- Exposure to arsenic and lead in children from Salamanca México, effects on telomeric lengthening and mitochondrial DNA.Environmental science and pollution research international · 2020Article
- Evaluation of Benzene Exposure and Early Biomarkers of Kidney Damage in Children Exposed to Solvents Due to Precarious Work in Ticul, Yucatán, México.Annals of global health · 2019Article
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Authors and funding
8 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundExposure to contaminant mixtures in developing countries is an important public health issue. Children are identified as the most susceptible group to adverse health effects due to the exposure.
objectiveThe aim of this study was to conduct a screening for mixture pollutants in Mexican children in urban marginalized communities.
methodsWe analyzed children (aged 6-12 years old) who resided in four urban marginalized communities in San Luis Potosi, Mexico: i) Bellas Lomas (BEL), a site with vehicular traffic; ii) Tercera Chica (TC), a site with brick kilns; Iii) Rincon de San Jose (SJR), a site with a hazardous waste landfill; and (iv) Morales (MOR) a metallurgical zone with copper-arsenic and electrolytic zinc smelters. Polycyclic Aromatic Hydrocarbons (1-hydroxypyrene (1-OHP)), benzene (trans, trans-muconic acid (t,t-MA), manganese, arsenic and fluoride were quantified in urine and lead in blood samples.
findingsOur results indicate that median exposures to manganese were 4.4, 5.2, 5.8 and 6.3 μg/L for BEL, TC, SJR and MOR, respectively. For BEL, fluoride was present at a higher concentration with 2.3 mg/L followed by MOR, TC and SJR with 1.7, 1.5 and 1.2 mg/L respectively. The highest concentrations of arsenic that were found were 11 μg/L in MOR and lead concentration was reported between 4.2 and 6.8 μg/dL, in BEL, TC and MOR. 1-OHP and t,t-MA were higher in TC (0.23 μmol/mol creatinine (cr), 429.7 μg/g cr, respectively) followed by SJR (0.09 μmol/mol cr, 427.4 μg/g cr), MOR (0.03 μmol/mol cr, 258.6 μg/g cr) and BEL (0.06 μmol/mol cr, 220.6 μg/g cr).
conclusionConsidering the large number of people, especially children, exposed to multiple pollutants, it is important to design effective intervention programs that reduce exposure and the resultant risk in the numerous urban marginalized communities in Mexico.
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