Combined photobiomodulation and pulsed electromagnetic field exposure attenuates nitric oxide production in high-glucose/LPS-stimulated RAW264.7 macrophages.
Combined light and electromagnetic exposure changed selected inflammatory and redox-related measurements in cells. It does not show a benefit in people or a brain-health outcome.
Thongyoo K, Sinthao O, Kamoltheptawin K, Kodsomboon W, Khunnam W, Thoradit T, Ahmad M, Pooam M.
International journal of radiation biology · Publication date: 2026-09-11
Added to site: 2026-09-15
DOI: 10.1080/09553002.2026.2730055
First electronic publication date from the authoritative index; the September issue date is less precise.
- Modalities
- PBM, PEMF
- Clinical focus
- Inflammation, Preclinical mechanisms
- Population
- Mouse-derived macrophage cells exposed to high glucose and lipopolysaccharide
- Sample
- RAW264.7 macrophage cell cultures; replicate count unavailable in the abstract
- Intervention / method
- PBM at 720 nm and 0.3 mW/cm², PEMF at 10 Hz and 1.8 mT, alone or combined over 48 hours
- Comparator
- High-glucose/LPS-stimulated cultures with individual, combined and control exposure conditions
Clinician summary
The combined condition showed a significant interaction for nitrite suppression. Cytokine-transcript attenuation did not show a significant interaction, and oxidant-sensitive fluorescence remained elevated after active exposure.
How to interpret the findings
Cell-culture findings cannot establish clinical efficacy, safety, dosing or brain effects. Elevated oxidant-sensitive fluorescence and the absence of interaction for cytokine transcripts make the mechanistic picture mixed.
Equipment and disclosures
PBM and PEMF hardware manufacturers were not identified in the reviewed abstract. No BrainMaster equipment attribution.
Funding and conflicts were unavailable in the reviewed abstract.
Related evidence
Compare findings from the same clinical area, including mixed results.
- Pulsed electromagnetic fields activate a peripheral interoceptive pathway to suppress sympathetic Npy for osteogenesis. · Positive with limitations
Summary prepared with AI assistance. Source verification does not imply an independent replication or a clinician's endorsement. Read our review method.