Effects of 50 Hz sinusoidal electromagnetic fields on MCP-1 and RANTES generated from activated human macrophages.

{
  "study_type": "in_vitro",
  "exposure": {
    "band": "ELF",
    "source": null,
    "frequency_mhz": 0.05,
    "sar_wkg": null,
    "duration": "24 h"
  },
  "population": "Human cultured isolated monocytes from peripheral blood (activated with PHA to generate macrophage/monocyte responses)",
  "sample_size": null,
  "outcomes": [
    "MCP-1 production (ELISA)",
    "RANTES production (ELISA)"
  ],
  "main_findings": "In human cultured isolated monocytes, exposure to a 50 Hz magnetic field (1.0 mT) for 24 h strongly inhibited PHA-stimulated production of MCP-1 and RANTES, while unstimulated control production was not affected.",
  "effect_direction": "mixed",
  "limitations": [
    "In vitro study; findings may not translate to in vivo or clinical outcomes",
    "Sample size not reported in the abstract",
    "Only one field strength (1.0 mT) and one exposure duration (24 h) described",
    "Limited outcomes (two chemokines) reported"
  ],
  "evidence_strength": "low",
  "confidence": 0.74,
  "peer_reviewed_likely": "yes",
  "keywords": [
    "ELF-EMF",
    "50 Hz",
    "magnetic field",
    "1.0 mT",
    "monocytes",
    "macrophages",
    "PHA",
    "MCP-1",
    "RANTES",
    "chemokines",
    "inflammation",
    "ELISA"
  ],
  "suggested_hubs": [
    {
      "slug": "elf-emf",
      "weight": 0.9,
      "reason": "Study examines 50 Hz extremely low frequency magnetic field exposure."
    },
    {
      "slug": "inflammation-immunology",
      "weight": 0.6,
      "reason": "Measures inflammatory chemokines MCP-1 and RANTES in human immune cells."
    }
  ]
}