[Influence of magnetic field on nitric oxide in hypothalamus and its relation to hypothalamic neuroendocrine nuclei].

{
  "study_type": "animal",
  "exposure": {
    "band": null,
    "source": "magnetic field",
    "frequency_mhz": null,
    "sar_wkg": null,
    "duration": "high NO (OD) level lasted for 3 hours"
  },
  "population": null,
  "sample_size": null,
  "outcomes": [
    "Nitric oxide (NO) level (OD) in hypothalamus",
    "NADPH-diaphorase positive neurons distribution in PVN, PEN, SON, SCN",
    "NADPH-d/AVP dually stained neurons presence"
  ],
  "main_findings": "Magnetic field exposure was associated with an increase in hypothalamic NO (OD) in PVN, PEN, and SON, with elevated NO (OD) lasting for 3 hours. NADPH-d positive neurons and some NADPH-d/AVP dually stained neurons were observed in PVN, PEN, and SON but not in SCN.",
  "effect_direction": "harm",
  "limitations": [
    "No magnetic field parameters (e.g., intensity, frequency) reported in abstract",
    "Species/animal model not specified in abstract",
    "Sample size not reported",
    "Outcome is a biochemical/cytochemical marker; clinical or functional endpoints not reported"
  ],
  "evidence_strength": "very_low",
  "confidence": 0.62,
  "peer_reviewed_likely": "yes",
  "keywords": [
    "magnetic field",
    "hypothalamus",
    "nitric oxide",
    "NADPH-diaphorase",
    "arginine vasopressin",
    "PVN",
    "PEN",
    "SON",
    "SCN",
    "neuroendocrine"
  ],
  "suggested_hubs": [
    {
      "slug": "animal-studies",
      "weight": 0.78,
      "reason": "Study investigates magnetic-field effects on hypothalamic NO and neuroendocrine nuclei using cytochemistry, consistent with an animal experimental design."
    }
  ]
}