Fish consumption, low-level mercury, lipids, and inflammatory markers in children

Brooks B Gump, James A. MacKenzie, Amy K. Dumas, Christopher D. Palmer, Patrick J. Parsons, Zaneer M. Segu, Yehia S. Mechref, Kestutis G. Bendinskas

Research output: Contribution to journalArticle

29 Citations (Scopus)

Abstract

There is considerable evidence that consuming fish has numerous health benefits, including a reduced risk of cardiovascular disease. However, fish is also the primary source of human exposure to mercury (Hg). In a cross-sectional study of 9-11 year old children (N=100), we measured fish consumption, blood lipids, total blood Hg, diurnal salivary cortisol (4 samples collected throughout the day), and performed a proteomic analysis of serum proteins using spectral count shotgun proteomics. Children who consumed fish had a significantly more atheroprotective lipid profile but higher levels of blood Hg relative to children that did not consume fish. Although the levels of blood Hg were very low in these children (M=0.77 μg/L; all but 1 participant had levels below 3.27 μg/L), increasing blood Hg was significantly associated with blunted diurnal cortisol levels. Blood Hg was also significantly associated with acute-phase proteins suggesting systemic inflammation, and several of these proteins were found to significantly reduce the association between Hg and diminished cortisol when included in the model. This study of a pediatric population is the first to document an association between blood Hg, systemic inflammation, and endocrine disruption in humans. Without a better understanding of the long-term consequences of an atheroprotective lipid profile relative to blunted diurnal cortisol and systemic inflammation, a determination of the risk-benefit ratio for fish consumption by children is not possible.

Original languageEnglish (US)
Pages (from-to)204-211
Number of pages8
JournalEnvironmental Research
Volume112
DOIs
StatePublished - Jan 2012

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Mercury
Fish
Fishes
Blood
blood
lipid
Lipids
fish
Hydrocortisone
proteomics
Inflammation
Proteomics
protein
Pediatrics
Acute-Phase Proteins
cardiovascular disease
Firearms
Insurance Benefits
consumption
mercury

Keywords

  • Children
  • Fish consumption
  • Inflammation
  • Mercury
  • Neuroendocrine

ASJC Scopus subject areas

  • Environmental Science(all)
  • Biochemistry

Cite this

Gump, B. B., MacKenzie, J. A., Dumas, A. K., Palmer, C. D., Parsons, P. J., Segu, Z. M., ... Bendinskas, K. G. (2012). Fish consumption, low-level mercury, lipids, and inflammatory markers in children. Environmental Research, 112, 204-211. https://doi.org/10.1016/j.envres.2011.10.002

Fish consumption, low-level mercury, lipids, and inflammatory markers in children. / Gump, Brooks B; MacKenzie, James A.; Dumas, Amy K.; Palmer, Christopher D.; Parsons, Patrick J.; Segu, Zaneer M.; Mechref, Yehia S.; Bendinskas, Kestutis G.

In: Environmental Research, Vol. 112, 01.2012, p. 204-211.

Research output: Contribution to journalArticle

Gump, BB, MacKenzie, JA, Dumas, AK, Palmer, CD, Parsons, PJ, Segu, ZM, Mechref, YS & Bendinskas, KG 2012, 'Fish consumption, low-level mercury, lipids, and inflammatory markers in children', Environmental Research, vol. 112, pp. 204-211. https://doi.org/10.1016/j.envres.2011.10.002
Gump, Brooks B ; MacKenzie, James A. ; Dumas, Amy K. ; Palmer, Christopher D. ; Parsons, Patrick J. ; Segu, Zaneer M. ; Mechref, Yehia S. ; Bendinskas, Kestutis G. / Fish consumption, low-level mercury, lipids, and inflammatory markers in children. In: Environmental Research. 2012 ; Vol. 112. pp. 204-211.
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