Cited by 166Planarian Biology and ElectrostimulationDevelopmental Biology and Gene RegulationCancer Cells and Metastasis

The DOI matches its Crossref record; 188 of the 189 references it cites were found in a registry or an index, and 1 are not checked yet.

Resting potential, oncogene-induced tumorigenesis, and metastasis: the bioelectric basis of cancer in vivo

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Abstract

Cancer may result from localized failure of instructive cues that normally orchestrate cell behaviors toward the patterning needs of the organism. Steady-state gradients of transmembrane voltage (V(mem)) in non-neural cells are instructive, epigenetic signals that regulate pattern formation during embryogenesis and morphostatic repair. Here, we review molecular data on the role of bioelectric cues in cancer and present new findings in the Xenopus laevis model on how the microenvironment's biophysical properties contribute to cancer in vivo. First, we investigated the melanoma-like phenotype arising from serotonergic signaling by 'instructor' cells-a cell population that is able to induce a metastatic phenotype in normal melanocytes. We show that when these instructor cells are depolarized, blood vessel patterning is disrupted in addition to the metastatic phenotype induced in melanocytes. Surprisingly, very few instructor cells need to be depolarized for the hyperpigmentation phenotype to occur; we present a model of antagonistic signaling by serotonin receptors that explains the unusual all-or-none nature of this effect. In addition to the body-wide depolarization-induced metastatic phenotype, we investigated the bioelectrical properties of tumor-like structures induced by canonical oncogenes and cancer-causing compounds. Exposure to carcinogen 4-nitroquinoline 1-oxide (4NQO) induces localized tumors, but has a broad (and variable) effect on the bioelectric properties of the whole body. Tumors induced by oncogenes show aberrantly high sodium content, representing a non-invasive diagnostic modality. Importantly, depolarized transmembrane potential is not only a marker of cancer but is functionally instructive: susceptibility to oncogene-induced tumorigenesis is significantly reduced by forced prior expression of hyperpolarizing ion channels. Importantly, the same effect can be achieved by pharmacological manipulation of endogenous chloride channels, suggesting a strategy for cancer suppression that does not require gene therapy. Together, these data extend our understanding of the recently demonstrated role of transmembrane potential in tumor formation and metastatic cell behavior. V(mem) is an important non-genetic biophysical aspect of the microenvironment that regulates the balance between normally patterned growth and carcinogenesis.

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Metadata

Authors
Lobikin, M., Chernet, B., Lobo, D., & Levin, M.
Affiliations
Tufts University (US)
Corresponding author
  • Lobikin, Maria
  • Chernet, Brook
  • Lobo, Daniel
  • Levin, Michael
Venue
Physical Biology
Published
2012-11-29
Volume
9
Issue
6
Pages
065002
ISSN
  • 1478-3967 (ISSN-L)
  • 1478-3975
OpenAlex
W2100068438
Cited by
166
References
189
Citations by year
2026: 6 · 2025: 15 · 2024: 11 · 2023: 11 · 2022: 12 · 2021: 14 · 2020: 10 · 2019: 13 · 2018: 12 · 2017: 17 · 2016: 13 · 2015: 14 · 2014: 11 · 2013: 6 · 2012: 1
FWCI
4.11
Type
journal article
Language
en
Open access
Locations
  • Physical Biology (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • Maryland Shared Open Access Repository (USMAI Consortium) (submittedVersion)
  • Digital Repository at the University of Maryland (University of Maryland College Park)
Funders
  • National Institutes of Health
  • National Institute of Arthritis and Musculoskeletal and Skin Diseases (AR061988, R01AR061988, AR055993, R01AR055993)
  • National Center for Research Resources (P41RR001395)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Planarian Biology and Electrostimulation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Developmental Biology and Gene Regulation
  • Health Sciences › Medicine › Oncology › Cancer Cells and Metastasis
Keywords
resting membrane potential, bioelectricity, metastasis, transmembrane voltage, serotonin signaling, melanocytes, depolarization, hyperpigmentation, 4-nitroquinoline 1-oxide, chloride channels, tumor microenvironment, Xenopus laevis, cancer diagnosis, tumor suppression
MeSH terms
Animals, Blood Vessels, Carcinogens, Cell Transformation, Neoplastic, Humans, Melanocytes, Melanoma, Membrane Potentials, Neoplasm Metastasis, Oncogenes, Receptors, Serotonin, Serotonin, Sodium, Xenopus laevis, 4-Nitroquinoline-1-oxide, Signal Transduction, Body Patterning, Tumor Microenvironment

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