The Impact of Forever Chemicals on Protein Structure and Function
Ethan J Hasenoehrl1, Will Kelly1, Kenneth Kwansa-Aidoo1
1Department of Chemistry and Biochemistry, Montana State University, Bozeman, MT 59717, USA.
International Journal of Molecular Sciences
|March 14, 2026
Summary
Per- and polyfluoroalkyl substances (PFAS) are persistent "forever chemicals" found in many products. This review details their growing impact on human health and biomolecular functions, including proteins and membranes.
Area of Science:
- Environmental Science
- Toxicology
- Biochemistry
Background:
- Per- and polyfluoroalkyl substances (PFAS), or "forever chemicals," are widely used industrial compounds with long environmental half-lives.
- PFAS bioaccumulate in humans and wildlife, posing significant cumulative exposure risks.
- Growing evidence links PFAS exposure to adverse human health outcomes, prompting regulatory scrutiny and lower exposure limits.
Purpose of the Study:
- To review the current understanding of PFAS interactions with biomolecules.
- To summarize the impact of PFAS on the structure and function of key biological components.
- To guide future research into PFAS toxicology and biomolecular effects.
Main Methods:
- Literature review of existing research on PFAS effects.
- Analysis of studies investigating PFAS interactions with proteins and membranes.
- Synthesis of data on PFAS impact on albumins, hemoproteins, nuclear receptors, and membrane receptors.
Main Results:
- PFAS are known to have acute and chronic adverse health effects.
- Research is increasingly focusing on the biomolecular mechanisms of PFAS toxicity.
- This review consolidates knowledge on PFAS effects on specific biomolecules like albumins and receptors.
Conclusions:
- PFAS pose a significant and growing risk due to their persistence and bioaccumulation.
- Understanding PFAS impact on biomolecular structure and function is crucial for assessing health risks.
- Further research is needed to fully elucidate the mechanisms of PFAS toxicity and inform mitigation strategies.
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