Cited by 231Toxic Organic Pollutants ImpactIon channel regulation and functionCardiac electrophysiology and arrhythmias

Minding the calcium store: Ryanodine receptor activation as a convergent mechanism of PCB toxicity

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Pessah, Isaac N., Cherednichenko, Gennady, Lein, Pamela J.·2010·Pharmacology & Therapeutics

Abstract

Chronic low-level polychlorinated biphenyl (PCB) exposures remain a significant public health concern since results from epidemiological studies indicate that PCB burden is associated with immune system dysfunction, cardiovascular disease, and impairment of the developing nervous system. Of these various adverse health effects, developmental neurotoxicity has emerged as a particularly vulnerable endpoint in PCB toxicity. Arguably the most pervasive biological effects of PCBs could be mediated by their ability to alter the spatial and temporal fidelity of Ca2+ signals through one or more receptor-mediated processes. This review will focus on our current knowledge of the structure and function of ryanodine receptors (RyRs) in muscle and nerve cells and how PCBs and related non-coplanar structures alter these functions. The molecular and cellular mechanisms by which non-coplanar PCBs and related structures alter local and global Ca2+ signaling properties and the possible short and long-term consequences of these perturbations on neurodevelopment and neurodegeneration are reviewed.

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Crossref · 10.1016/j.pharmthera.2009.10.009

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  • Nanomolar concentrations of PCB 95 stabilize ryanodine receptors in the open configuration, increasing Ca2+ release from intracellular stores.

    “Nanomolar concentrations of PCB 95 stabilize ryanodine receptors (RyRs) in the open configuration, increasing Ca 2ϩ release from intracellular stores (Pessah et al., 2010).”

    From The Environmental Neurotoxicant PCB 95 Promotes Synaptogenesis via Ryanodine Receptor-Dependent miR132 Upregulation (2014) · cites this paper as Pessah et al., 2010

    Section 2.2 says PCB 95 stabilizes RyR1 in its fully open state, and section 2.3 describes PCB 95–induced calcium release from intracellular ER stores. The copy does not establish that these effects occur at nanomolar PCB 95 concentrations; its concentration statement reports enhanced RyR activity at ≤1 μM. (LLM, conf=0.86)

    Experimental — accuracy not yet measured
  • Because RyRs are functionally coupled to NMDA receptors, the findings suggest that RyRs are required for not only PCB-induced synaptogenesis, but also activity-dependent synaptogenesis, expanding the role for RyRs in neuronal plasticity.

    “Because RyRs are functionally coupled to NMDA receptors (Berridge, 2006;Pessah et al., 2010), our findings suggest that RyRs are required for not only PCB-induced synaptogenesis, but also activity-dependent synaptogenesis, expanding the role for RyRs in neuronal plasticity.”
  • NDL PCBs are thought to disrupt normal neurodevelopment via modulation of signaling by biogenic amines, thyroid hormone, and intracellular calcium during critical windows of brain development.

    “NDL PCBs are thought to disrupt normal neurodevelopment via modulation of signaling by biogenic amines, thyroid hormone, and intracellular calcium during critical windows of brain development [ 105 ].”
  • These pathways are also dysregulated in ASD.

    “These are pathways that are also dysregulated in ASD [ 27 , 105 , 123 ].”
  • PCBs are important endocrine disruptors that perturb intracellular Ca2+ signalling by promoting Ca2+ entry and enhancing Ca2+ release from endoplasmic reticulum through ryanodine receptors.

    “PCBs are important endocrine disruptors which, among several other effects, perturb intracellular Ca2+ signalling by promoting Ca2+ entry and by enhancing Ca2+ release from the endoplasmic reticulum through ryanodine receptors [248].”

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Authors
Pessah, I. N., Cherednichenko, G., & Lein, P. J.
Affiliations
University of California, Davis (US)
Corresponding author
Pessah, Isaac N.
Venue
Pharmacology & Therapeutics
Publisher
Elsevier BV
Published
2010-02
Volume
125
Issue
2
Pages
260-285
ISSN
0163-7258 (ISSN-L)
OpenAlex
W2171969201
Cited by
231
References
452
Citations by year
2026: 2 · 2025: 8 · 2024: 4 · 2023: 12 · 2022: 12 · 2021: 9 · 2020: 18 · 2019: 15 · 2018: 19 · 2017: 22 · 2016: 14 · 2015: 15 · 2014: 19 · 2013: 15 · 2012: 27
FWCI
1.72
Type
journal article
Language
en
Open access
Locations
  • Pharmacology & Therapeutics (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
National Institute of Environmental Health Sciences (1 P01-ES11269, P42-ES-04699, P42ES004699, P01ES011269, R01ES014901)
Topics
  • Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Toxic Organic Pollutants Impact
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Ion channel regulation and function
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Cardiac electrophysiology and arrhythmias
Keywords
polychlorinated biphenyls, ryanodine receptor, calcium signaling, developmental neurotoxicity, neurodegeneration, intracellular calcium stores, immune dysfunction, cardiovascular disease
MeSH terms
Calcium, Environmental Pollutants, Humans, Polychlorinated Biphenyls, Structure-Activity Relationship, Ryanodine Receptor Calcium Release Channel

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