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Fluorotelomer Alcohols’ Toxicology Correlates with Oxidative Stress and Metabolism

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Reviews of Environmental Contamination and Toxicology Volume 256

Part of the book series: Reviews of Environmental Contamination and Toxicology ((RECT,volume 256))

Abstract

Fluorotelomer alcohols (FTOHs) are widely used as industrial raw materials due to their unique hydrophobic and oleophobic properties. However, because of accidental exposure to products containing FTOHs or with the widespread use of FTOHs, they tend to contaminate the water and the soil. There are reports demonstrating that FTOHs can cause various harmful effects in animals and humans (for example, neurotoxicity, hepatotoxicity, nephrotoxicity, immunotoxicity, endocrine-disrupting activity, and developmental and reproductive toxicities). Oxidative stress is related to a variety of toxic effects induced by FTOHs. To date, few reviews have addressed the relationship between the toxicity of FTOHs and oxidative stress. This article summarises research demonstrating that the toxicity induced by FTOHs correlates with oxidative stress and metabolism. Furthermore, during the metabolic process of FTOHs, a number of cytochrome P450 enzymes (CYP450) are involved and many metabolites are produced by these enzymes, which can induce oxidative stress. This is also reviewed.

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Abbreviations

4-3 FTCA:

4-3 Fluorotelomer carboxylic acid

5-3 FTCA:

5-3 Fluorotelomer carboxylic acid

6-2 FTAL:

6-2 Fluorotelomer aldehyde

6-2 FTCA:

6-2 Saturated fluorotelomer carboxylic acids

6-2 FTUCA:

6-2 Unsaturated fluorotelomer carboxylic acids

7-2 sFTOH:

7-2 Secondary fluorotelomer alcohol

7-3 AL:

7-3 Aldehyde

7-3 FTCA:

7-3 Acid

7-3 TA:

7-3 Acid taurine

7-3 UAL:

7-3 α-β Unsaturated aldehyde

7-3UA:

7-3 Unsaturated acid

8-2 FTAL:

8-2 Fluorotelomer aldehyde

8-2 FTCA:

8-2 Fluorotelomer acid

8-2 FTOH-Sulf:

8-2 Fluorotelomer alcohol sulphate

8-2 FTUAL:

8-2 Fluorotelomer α, β-unsaturated aldehyde

8-2 FTUCA:

8-2 Fluorotelomer unsaturated acid

8-2 uFTOH-GS:

8-2 Unsaturated alcohol conjugate

8-OH-dG:

8-Hydroxydeoxyguanosine

CAT:

Catalase

CYP450:

Cytochrome P450 enzymes

EC50:

Concentration causing 50% cell death

FCSs:

Food contact substances

FTOHs:

Fluorotelomer alcohols

GPX:

Glutathione peroxidase

GR:

Glutathione reductase

GSH:

Glutathione

GST:

Glutathione S-transferase

H2O2:

Hydrogen peroxide

hER:

Human estrogen receptor

LC50:

Median lethal concentration

LD50:

Median lethal dose

MDA:

Malondialdehyde

NOAEL:

No-observed-adverse-effect level

O2:

Superoxide anion radical

PFASs:

Polyfluoroalkyl substances

PFBA:

Perfluorobutanoic acid

PFCAs:

Perfluoroalkyl carboxylic acids

PFCs:

Poly- and perfluorinated compounds

PFHpA:

Perfluoroheptanoic acid

PFHxA:

Perfluorohexanoic acid

PFNA:

Perfluorononanoic acid

PFOA:

Perfluorooctanoic acid

PFOS:

Perfluorooctanesulfonic acid

PFOSA:

Perfluorooctanesulfonamide

PFPeA:

Perfluoropentanoic acid

ROS:

Reactive oxygen species

SOD:

Superoxide dismutase

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Acknowledgments

This work was supported by Natural Science Foundation of China (NSFC, 31572570) and Risk Assessment of Unknown and known hazard factors of livestock and poultry products (GJFP2019007).

Conflict of Interest

The authors declare that they have no conflict of interest.

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Correspondence to Dongmei Chen .

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Yang, Y., Meng, K., Chen, M., Xie, S., Chen, D. (2020). Fluorotelomer Alcohols’ Toxicology Correlates with Oxidative Stress and Metabolism. In: de Voogt, P. (eds) Reviews of Environmental Contamination and Toxicology Volume 256. Reviews of Environmental Contamination and Toxicology, vol 256. Springer, Cham. https://doi.org/10.1007/398_2020_57

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