Effect of radiation emitted from mobile phone on innate immunity in mice

Radiation Effects and Defects in Solids · 2024 · Harm · Low evidence

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HarmLow evidencePaper 301

Study snapshot

PublicationRadiation Effects and Defects in Solids · 2024

Study typeanimal

Reported directionHarm

Evidence ratingLow

Abstract

Effect of radiation emitted from mobile phone on innate immunity in mice Pei, Y., Gao, H., Zhang, M., Zhou, F., Zhu, Y., Wang, X., & Sun, J. (2024). Effect of radiation emitted from mobile phone on innate immunity in mice. Radiation Effects and Defects in Solids, 179(11–12), 1585– 1596. doi: 10.1080/10420150.2024.2352845 Abstract This present study aims to explore the potential impact of cell phone radiation on innate immunity in mice. Ninety-six male BALB/C mice aged 2–3 weeks were randomly distributed into 4 groups as blank control, control, TD-SCDMA and LTE-Advanced respectively, with 32 mice in each group. Mice were designed to be exposed to cell phone radiation for 4–8 weeks. Eight mice in each group were taken out for measurement given exposure periods were 4, 6 and 8 weeks respectively. Cell biological technique was conducted to assess the chemotaxis of neutrophils, and a morphological method was performed for the detection of phagocytosis of neutrophil and macrophage, while microbiological means was carried out to test the relative activity of lysozyme in serum of mice. As a result, the chemotaxis ratio of neutrophils was with little statistical difference among the four groups given a shorter exposure period. However, the ratios in TD-SCDMA and LTE-Advanced groups were decreased significantly on the condition that the exposure period was more than 6 weeks. No statistical difference was observed among the four groups during the entire exposure period in terms of the chemotaxis index. Phagocytosis of the innate cells as neutrophil and macrophage showed little change in the two control groups during the whole experimental stages, while the percentage in the two treated groups decreased statistically, and this kind of reduction was prone to feature time dependence. The activities of lysozyme in TD-SCDMA and LTE-Advanced groups declined significantly, further to that, the impact was climbing paralleled with the prolonged duration. It could be deduced that radiation from cell phones could weaken innate immunity in experimental mice; moreover, this adverse effect was seemingly more severe as the radiation exposure continued. tandfonline.com

Machine Enhanced Logic

AI evidence extraction

Structured fields below were generated from the paper’s abstract and metadata to make the evidence easier to inspect. Automated extraction may be incomplete or incorrect; verify important details against the original paper.

Study typeanimal

Effect directionharm

PopulationMale BALB/C mice aged 2–3 weeks

Sample size96

ExposureRF · 4–8 weeks

Evidence strengthLowConfidence: 74% · Peer reviewed: yes

Main findings

Neutrophil chemotaxis ratio showed little difference among groups at shorter exposure, but decreased significantly in TD-SCDMA and LTE-Advanced groups when exposure exceeded 6 weeks; chemotaxis index showed no statistical difference across groups throughout. Phagocytosis percentages for neutrophils and macrophages decreased statistically in the two exposed groups with an apparent time-dependent reduction, and serum lysozyme activity declined significantly in exposed groups with greater decline over longer duration.

Outcomes measured

Neutrophil chemotaxis ratio
Neutrophil chemotaxis index
Phagocytosis of neutrophils
Phagocytosis of macrophages
Serum lysozyme activity

Limitations

No RF exposure metrics reported (e.g., frequency, power density, SAR).
Only male BALB/C mice (2–3 weeks old) studied; generalizability to other populations/species not addressed.
Exposure description lacks details on exposure setup and dosimetry in the abstract.
Multiple timepoints with 8 mice per group per timepoint; potential limited power for some comparisons not discussed.

View raw extracted JSON

{
  "study_type": "animal",
  "exposure": {
    "band": "RF",
    "source": "mobile phone",
    "frequency_mhz": null,
    "sar_wkg": null,
    "duration": "4–8 weeks"
  },
  "population": "Male BALB/C mice aged 2–3 weeks",
  "sample_size": 96,
  "outcomes": [
    "Neutrophil chemotaxis ratio",
    "Neutrophil chemotaxis index",
    "Phagocytosis of neutrophils",
    "Phagocytosis of macrophages",
    "Serum lysozyme activity"
  ],
  "main_findings": "Neutrophil chemotaxis ratio showed little difference among groups at shorter exposure, but decreased significantly in TD-SCDMA and LTE-Advanced groups when exposure exceeded 6 weeks; chemotaxis index showed no statistical difference across groups throughout. Phagocytosis percentages for neutrophils and macrophages decreased statistically in the two exposed groups with an apparent time-dependent reduction, and serum lysozyme activity declined significantly in exposed groups with greater decline over longer duration.",
  "effect_direction": "harm",
  "limitations": [
    "No RF exposure metrics reported (e.g., frequency, power density, SAR).",
    "Only male BALB/C mice (2–3 weeks old) studied; generalizability to other populations/species not addressed.",
    "Exposure description lacks details on exposure setup and dosimetry in the abstract.",
    "Multiple timepoints with 8 mice per group per timepoint; potential limited power for some comparisons not discussed."
  ],
  "evidence_strength": "low",
  "confidence": 0.74,
  "peer_reviewed_likely": "yes",
  "keywords": [
    "mobile phone radiation",
    "RF exposure",
    "TD-SCDMA",
    "LTE-Advanced",
    "innate immunity",
    "mice",
    "neutrophil chemotaxis",
    "phagocytosis",
    "lysozyme"
  ],
  "suggested_hubs": [
    {
      "slug": "mobile-phones",
      "weight": 0.9,
      "reason": "Study evaluates effects of mobile phone radiation (TD-SCDMA, LTE-Advanced) on immune outcomes in mice."
    }
  ]
}

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AI-extracted fields are generated from the abstract and metadata and may be incomplete or incorrect. This material is for informational purposes and is not medical advice.

Identifiers and source

DOI: 10.1080/10420150.2024.2352845
PubMed: Not supplied

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