Exposure to Heavy Metals: Advances in Cytotoxicity and Genotoxicity

A special issue of Biology (ISSN 2079-7737). This special issue belongs to the section "Toxicology".

Deadline for manuscript submissions: 30 November 2025 | Viewed by 917

Special Issue Editors


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Guest Editor
College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China
Interests: environmental toxicology; nutritional physiology; cytotoxic mechanisms

E-Mail Website
Guest Editor
College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China
Interests: mycotoxin; toxicology; detoxification; feeds
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Special Issue Information

Dear Colleagues,

With the rapid development of industrial production, a significant volume of the heavy metals generated by human activities during urbanization and industrialization are released into the atmosphere, water, soil, and crops; these can exist in the environment for a long time and threaten ecological conditions and human health. Various acute and chronic diseases caused by heavy metal exposure can cause multiple organ system injuries, including nephrotoxicity, bone injury, neurotoxicity, cardiovascular injury, diabetes and cancer. Research on the biomarkers for heavy metal exposure has mainly been based on the development of metabolomics and other analytical methods, but there remains a lack of authoritative new indicators. Therefore, determining the total level of exposure in the human environment, elucidating the molecular mechanisms underlying the absorption, accumulation, and toxic effects of heavy metals in organisms, and understanding their interactions with biomolecules is crucial for the management and control of heavy metal pollution. In addition, based on the current research status, we believe that future research on heavy metal complex toxicity should pay greater attention to its environmental relevance, introduce novel detection technologies and bioinformatics analysis methods, and further explore the physical, chemical, and biological mechanisms of heavy metal complex toxicity. This Special Issue welcomes the submission of papers addressing these topics, especially those combining a high academic standard with a practical focus on the latest detection techniques and biomarkers.

Dr. Qianru Chi
Dr. Yi Zhao
Guest Editors

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Keywords

  • heavy metal pollutants
  • exposure assessment
  • toxic mechanism
  • biomarkers
  • metabolomics
  • environmental quality monitoring
  • bioinformatics analysis methods

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Published Papers (1 paper)

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Research

17 pages, 1993 KB  
Article
Heavy Metal Contamination in Adaptogenic Herbal Dietary Supplements: Experimental, Assessment and Regulatory Safety Perspectives
by Agata Jasińska-Balwierz, Patrycja Krypel, Paweł Świsłowski, Małgorzata Rajfur, Radosław Balwierz and Wioletta Ochędzan-Siodłak
Biology 2025, 14(11), 1479; https://doi.org/10.3390/biology14111479 - 23 Oct 2025
Viewed by 385
Abstract
While adaptogens are popular in dietary supplements for their health-promoting properties, their safety is compromised by the risk of heavy metal contamination, a threat amplified by inconsistent regulatory standards. This study aimed to assess the extent of heavy metal contamination in adaptogenic supplements [...] Read more.
While adaptogens are popular in dietary supplements for their health-promoting properties, their safety is compromised by the risk of heavy metal contamination, a threat amplified by inconsistent regulatory standards. This study aimed to assess the extent of heavy metal contamination in adaptogenic supplements on the Polish market and evaluate their compliance with international safety limits. Eleven commercially available supplements (tablets, powders, dried materials) containing Withania somnifera, Rhodiola rosea, Panax ginseng, and Schisandra chinensis were analyzed for lead (Pb), cadmium (Cd), mercury (Hg), nickel (Ni), and other elements using flame atomic absorption spectroscopy (FAAS) and mercury analysis (AMA 254). Results demonstrated widespread contamination, primarily with Pb and Ni. In processed forms (tablets and dried fruits), Pb concentrations exceeded permissible limits by up to 235%, while Ni levels were exceeded by up to 321%. Schisandra chinensis preparations showed the highest contamination levels. Furthermore, raw materials from India contained significantly higher Ni concentrations than those from China (p < 0.01). These findings reveal that a majority of the tested supplements fail to meet toxicological safety criteria, posing a significant health risk to consumers. This underscores a critical regulatory gap and highlights the urgent need for harmonized standards and stringent quality control for dietary supplements. Full article
(This article belongs to the Special Issue Exposure to Heavy Metals: Advances in Cytotoxicity and Genotoxicity)
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