期刊
ENVIRONMENTAL AND MOLECULAR MUTAGENESIS
卷 62, 期 3, 页码 185-202出版社
WILEY
DOI: 10.1002/em.22425
关键词
dihydroxyacetone; fructose; glucose; inflammation; metabolic dysfunction; mitochondria; mitochondrial DNA; reactive oxygen species; reactive species
资金
- National Institute of Health [AT009908, ES032450]
DHA is a three-carbon sugar found in sunless tanning products and e-cigarettes, with potential health risks including metabolic imbalance and cellular stress. Exposures to DHA mimic effects of fructose exposure, highlighting the need for further investigation into the health consequences of DHA exposure.
Dihydroxyacetone (DHA) is a three-carbon sugar that is the active ingredient in sunless tanning products and a by-product of electronic cigarette (e-cigarette) combustion. Increased use of sunless tanning products and e-cigarettes has elevated exposures to DHA through inhalation and absorption. Studies have confirmed that DHA is rapidly absorbed into cells and can enter into metabolic pathways following phosphorylation to dihydroxyacetone phosphate (DHAP), a product of fructose metabolism. Recent reports have suggested metabolic imbalance and cellular stress results from DHA exposures. However, the impact of elevated exposure to DHA on human health is currently under-investigated. We propose that exogenous exposures to DHA increase DHAP levels in cells and mimic fructose exposures to produce oxidative stress, mitochondrial dysfunction, and gene and protein expression changes. Here, we review cell line and animal model exposures to fructose to highlight similarities in the effects produced by exogenous exposures to DHA. Given the long-term health consequences of fructose exposure, this review emphasizes the pressing need to further examine DHA exposures from sunless tanning products and e-cigarettes.
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