Cited by 91Per- and polyfluoroalkyl substances researchIon Channels and ReceptorsFluorine in Organic Chemistry

Possible Mechanism of Perfluorooctane Sulfonate and Perfluorooctanoate on the Release of Calcium Ion from Calcium Stores in Primary Cultures of Rat Hippocampal Neurons

Liu, Xiaohui, Jin, Yihe, Liu, Wei, Wang, Faqi, Hao, Shuang·2011·Toxicology in Vitro

Abstract

Perfluorooctane sulfonate (PFOS) and perfluorooctanoate (PFOA) are anthropogenic compounds manufactured since the 1950s and are distributed worldwide. Now, the pollutants are being challenged by entering into the brain and the toxic effect on the central nervous system due to calcium disorder, mainly through channels on cell membrane. However, little is known about the role of calcium store in PFOS- and PFOA-evoked abnormal calcium increase. In the present study, PFOA and PFOS were measured in primary cultures of rat hippocampal neurons by LC/MS/MS analysis. Flow cytometry was used to examine altered calcium patterns in neurons labeled with fluo-3/AM and to disclose the mechanism by which PFOS and PFOA induced calcium increase in cultured neurons. The results indicate that both PFOS and PFOA can accumulate in cultured neurons and elevate calcium concentrations via release of intracellular calcium stores. Furthermore, inositol 1,4,5-trisphosphate receptors (IP(3)Rs) and ryanodine receptors (RyRs) were found to take part in PFOS or PFOA inducing calcium release from calcium stores. IP(3)Rs seem to serve a predominant role in PFOS-induced calcium release. Calcium release from intracellular stores may partially account for the perturbation of calcium homeostasis caused by PFOS or PFOA.

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Crossref · 10.1016/j.tiv.2011.04.016

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Authors
Liu, X., Jin, Y., Liu, W., Wang, F., & Hao, S.
Affiliations
Dalian University of Technology (CN)
Corresponding author
Jin, Yihe
Venue
Toxicology in Vitro
Publisher
Elsevier BV
Published
2011-10
Volume
25
Issue
7
Pages
1294-1301
ISSN
0887-2333 (ISSN-L)
OpenAlex
W2003227605
Cited by
91
References
57
Citations by year
2026: 10 · 2025: 13 · 2024: 14 · 2023: 8 · 2022: 5 · 2021: 2 · 2020: 8 · 2019: 5 · 2018: 5 · 2017: 2 · 2016: 5 · 2015: 4 · 2014: 1 · 2013: 2 · 2012: 6
FWCI
2.20
Type
journal article
Language
en
Open access
closed
Locations
  • Toxicology in Vitro (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Natural Science Foundation of China
Topics
  • Physical Sciences › Environmental Science › Environmental Chemistry › Per- and polyfluoroalkyl substances research
  • Life Sciences › Neuroscience › Sensory Systems › Ion Channels and Receptors
  • Life Sciences › Pharmacology, Toxicology and Pharmaceutics › Pharmaceutical Science › Fluorine in Organic Chemistry
Keywords
PFOS, perfluorooctanoic acid, hippocampal neurons, intracellular calcium release, intracellular calcium stores, calcium homeostasis, IP3 receptor, ryanodine receptor, neurotoxicity, perfluorinated compounds, brain accumulation
MeSH terms
Animals, Calcium, Cells, Cultured, Environmental Pollutants, Fluorocarbons, Gene Expression Regulation, Hippocampus, Neurons, Alkanesulfonic Acids, Calcineurin, Ryanodine Receptor Calcium Release Channel, Rats, Inositol 1,4,5-Trisphosphate Receptors

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