Systemic sclerosis and exposure to heavy metals

Publication date: Available online 4 November 2018

Source: Autoimmunity Reviews

Author(s): Isabelle Marie

Abstract

As a mirror image of the Roman god Janus Bifrons, the environment has a hidden face. To highlight this hidden face of the environment in the field of systemic sclerosis (SSc) will allow to identify responsible agents emerging in the future. To date, there is, in fact, a growing scientific evidence that environmental factors have a crucial impact on both alterations and modulation of epigenetic determinants, resulting in SSc onset and progression. It has been well established that there is a marked correlation between SSc onset and occupational exposure to crystalline silica and organic solvents. More recently, an association between SSc and exposure to heavy metals has further been found, including: antimony, cadmium, lead, mercury. These latter findings interestingly underscore that occupational exposure to heavy metals should be systematically checked in all SSc patients at diagnosis, as the identification of the occupational toxic agent will allow its interruption, which may result in potential improvement of SSc outcome.

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