DNA Damage Analysis in Blood Tissue & Physiopathological Evaluation of the Effect of Quercetin on Kidney Tissue in 2600 MHz EMF Exposure

PAPER manual Altern Ther Health Med 2025 Animal study Effect: mixed Evidence: Low

Read original paper → PMID: 41411134 Evidence Lab

Abstract

Category: Toxicology, Physiology Tags: EMF, DNA damage, quercetin, kidney tissue, oxidative stress, rat study, comet assay URL: pubmed.ncbi.nlm.nih.gov Overview Electrical devices surrounding us are sources of electromagnetic fields (EMF). The electromagnetic radiation (EMR) from these sources induces formation of free radicals, leading to oxidative damage in various tissues. The kidney is highly sensitive to this oxidative damage. Study Aim This study evaluated the physiopathological effects of 2600 MHz EMF exposure on the kidney tissue of rats and the resulting DNA damage in blood tissue. The antioxidant quercetin (Qu) was used to attempt to reduce these effects. Methods - Male Wistar-Albino rats were split into four groups (8 rats per group): - Group 1: control - Group 2: sham - Group 3: EMF exposure - Group 4: EMF + quercetin (Qu) - After 30 days, kidney tissues were harvested for physiopathological examination. - Blood samples were analyzed for DNA damage using the Comet assay method. Findings - Histopathology of kidney tissue revealed low-level tubular dilatation damage in all groups. - Immunohistochemical evaluation gave similar results across all groups. - No significant change in malondialdehyde, catalase, and superoxide dismutase levels was found. - Significantly, the EMF group exhibited observable DNA damage in lymphocytes (P = .007, <.05). Conclusion - 2600 MHz EMF exposure did not cause severe or significant damage to kidney tissue. - However, EMF exposure notably caused DNA damage in blood tissue, highlighting a clear connection between EMF exposure and biological risk at the DNA level.

AI evidence extraction

At a glance

Study type

Animal study

Effect direction

mixed

Population

Male Wistar-Albino rats

Sample size

Exposure

RF other · 2600 MHz · 30 days

Evidence strength

Low

Confidence: 74% · Peer-reviewed: yes

Main findings

After 30 days, kidney histopathology showed low-level tubular dilatation in all groups and immunohistochemical findings were similar across groups. No significant changes were found in malondialdehyde, catalase, or superoxide dismutase levels. The EMF-exposed group showed observable DNA damage in lymphocytes (P = .007).

Outcomes measured

Kidney tissue histopathology/physiopathological examination
Immunohistochemical evaluation of kidney tissue
Oxidative stress biomarkers (malondialdehyde, catalase, superoxide dismutase)
DNA damage in blood lymphocytes (Comet assay)

Limitations

SAR or exposure intensity not reported in the abstract
Only male rats studied
Small group sizes (8 rats per group)
Kidney tissue damage described as low-level in all groups, making attribution to EMF unclear based on abstract

Suggested hubs

rf-dna-damage (0.86)
Assessed DNA damage in blood lymphocytes using Comet assay after 2600 MHz exposure.
rf-oxidative-stress (0.62)
Measured oxidative stress-related biomarkers (MDA, catalase, SOD) in relation to RF exposure.

View raw extracted JSON

{
    "study_type": "animal",
    "exposure": {
        "band": "RF",
        "source": "other",
        "frequency_mhz": 2600,
        "sar_wkg": null,
        "duration": "30 days"
    },
    "population": "Male Wistar-Albino rats",
    "sample_size": 32,
    "outcomes": [
        "Kidney tissue histopathology/physiopathological examination",
        "Immunohistochemical evaluation of kidney tissue",
        "Oxidative stress biomarkers (malondialdehyde, catalase, superoxide dismutase)",
        "DNA damage in blood lymphocytes (Comet assay)"
    ],
    "main_findings": "After 30 days, kidney histopathology showed low-level tubular dilatation in all groups and immunohistochemical findings were similar across groups. No significant changes were found in malondialdehyde, catalase, or superoxide dismutase levels. The EMF-exposed group showed observable DNA damage in lymphocytes (P = .007).",
    "effect_direction": "mixed",
    "limitations": [
        "SAR or exposure intensity not reported in the abstract",
        "Only male rats studied",
        "Small group sizes (8 rats per group)",
        "Kidney tissue damage described as low-level in all groups, making attribution to EMF unclear based on abstract"
    ],
    "evidence_strength": "low",
    "confidence": 0.7399999999999999911182158029987476766109466552734375,
    "peer_reviewed_likely": "yes",
    "keywords": [
        "2600 MHz",
        "RF-EMF",
        "rat",
        "Wistar-Albino",
        "kidney",
        "histopathology",
        "immunohistochemistry",
        "oxidative stress",
        "malondialdehyde",
        "catalase",
        "superoxide dismutase",
        "DNA damage",
        "Comet assay",
        "lymphocytes",
        "quercetin"
    ],
    "suggested_hubs": [
        {
            "slug": "rf-dna-damage",
            "weight": 0.85999999999999998667732370449812151491641998291015625,
            "reason": "Assessed DNA damage in blood lymphocytes using Comet assay after 2600 MHz exposure."
        },
        {
            "slug": "rf-oxidative-stress",
            "weight": 0.61999999999999999555910790149937383830547332763671875,
            "reason": "Measured oxidative stress-related biomarkers (MDA, catalase, SOD) in relation to RF exposure."
        }
    ]
}

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

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