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Hypomagnetic Field Enhances U2OS Cell Proliferation and Migration by Promoting β-Catenin Phosphorylation and
Taotao Gao1,2, Wenfeng Zhong3, Mengli Tao1,2
1Institute of Drug Discovery Technology, Ningbo University, Ningbo 315211, China.
Cells
|April 27, 2026
Summary
Hypomagnetic field (HMF) exposure rapidly alters cellular protein phosphorylation in U2OS cells. HMF exposure promotes cell proliferation and migration by enhancing beta-Catenin phosphorylation and upregulating LOX and FN1 expression.
Area of Science:
- Cell Biology
- Biophysics
- Molecular Biology
Background:
- Hypomagnetic fields (HMFs) impact animal organ systems, but underlying mechanisms are unknown.
- Understanding cellular responses to HMF is vital for health and safety.
- Mammalian cells' sensitivity to magnetic fields requires investigation.
Purpose of the Study:
- Investigate cellular protein phosphorylation changes under HMF.
- Determine how HMF-induced phosphorylation affects cell behavior.
- Elucidate molecular mechanisms of HMF effects on cell proliferation and migration.
Main Methods:
- Quantitative phosphoproteomics to analyze protein phosphorylation.
- Exposure of U2OS cells to HMF environments (0.5 h and 3 days).
- Western blotting and gene knockdown to validate protein functions (β-Catenin, LOX, FN1).
Main Results:
- HMF exposure altered 1101 phosphosites after 0.5 h and 1543 after 3 days.
- HMF enhanced β-Catenin phosphorylation at Ser552, promoting cell proliferation and migration.
- HMF upregulated LOX and FN1 expression; their knockdown suppressed proliferation and migration.
Conclusions:
- U2OS cells sense and respond to HMF by altering protein phosphorylation.
- HMF enhances U2OS cell proliferation and migration via β-Catenin phosphorylation.
- Upregulation of LOX and FN1 expression by HMF contributes to increased cell proliferation and migration.
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