Northern Nutritionals

Tag: mercury

  • Air Pollution

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    Karline Jensen
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    Hong et al. (2016) investigated the mechanisms behind how particulate matter, which contains chemicals such as polycyclic aromatic hydrocarbons (PAHs), causes rhinitis. This was an in vitro experiment, but they found that in cells exposed to particulate matter, reactive oxygen species were increased, while superoxide dismutase, catalase, and glutathioneperoxidase were decreased. When the cells were…

  • Metallothionein and Mercury Transport

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    Karline Jensen
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    Metallothionein has been found to play a role in mitigating the adverse effects of mercury exposure (Woods et al., 2013).  Boys in Portugal with variants in the genes for metallothionein were found to exhibit more severe behavioral symptoms.  Metallothioneins are proteins that are able to bind to mercury and transport it through the body.  The…

  • Herbivorous Fish

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    Karline Jensen
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    I found an interesting study (Lino et al., 2018) that looked at the concentrations of both mercury and selenium in different species of fish in Brazil.  They found that carnivorous fish had the highest concentration of mercury and also the lowest concentration of selenium, while fish lower on the food chain were higher in selenium…