Inhibitory action of microwave radiation on gamma-glutamyl transpeptidase activity in liver of rats treated with hydrocortisone.

{
  "study_type": "animal",
  "exposure": {
    "band": "mmWave",
    "source": null,
    "frequency_mhz": 53570,
    "sar_wkg": null,
    "duration": "during and after hydrocortisone treatment (20 mg/kg for 60 days)"
  },
  "population": "rats",
  "sample_size": null,
  "outcomes": [
    "gamma-glutamyl transpeptidase (GGT) activity in liver",
    "hydrocortisone-induced GGT activity"
  ],
  "main_findings": "In rats treated with hydrocortisone, microwave irradiation at 53.57 GHz (power density 10 mW/cm2 and 1 mW/cm2) was reported to block the inducible effect of hydrocortisone on liver GGT activity. The effect was described as dependent on the power density of millimetre microwaves.",
  "effect_direction": "mixed",
  "limitations": [
    "Sample size not reported in abstract",
    "No sham/control details provided in abstract",
    "Exposure duration and timing relative to irradiation not fully specified beyond 'during and after' treatment",
    "No quantitative results or statistical details provided in abstract"
  ],
  "evidence_strength": "low",
  "confidence": 0.74,
  "peer_reviewed_likely": "yes",
  "keywords": [
    "millimetre waves",
    "microwave irradiation",
    "53.57 GHz",
    "power density",
    "hydrocortisone",
    "gamma-glutamyl transpeptidase",
    "rat liver",
    "enzyme activity"
  ],
  "suggested_hubs": []
}