ArticleMolecules (Basel, Switzerland)2026
Cadmium Toxicity Effects on Histone Modifiers, Enzyme Activity and Adipokines in Human Adipose Tissue Cells.
Article in Molecules (Basel, Switzerland), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Environmental exposure to heavy metals, particularly cadmium (Cd), has been increasingly associated with obesity, metabolic dysfunction, chronic inflammation, and related disorders such as type 2 diabetes and cardiovascular diseases. Adipose tissue (AT), a paracrine and endocrine organ central to systemic energy and inflammatory homeostasis, is a major site of heavy metal accumulation and a key target of Cd toxicity. However, the mechanisms by which Cd disrupts adipocyte function, especially through epigenetic pathways, remain poorly understood. In this study, we investigated the effects of Cd on epigenetic regulators, antioxidant enzyme activity, inflammatory mediators, and adipogenic programming in human adipose-derived stromal/stem cells (hASCs) and differentiated adipocytes. Cd exposure altered histone modifiers associated with lysine 27 of histone 3 (H3K27), disrupted redox balance in a concentration-dependent manner, impaired adipogenic differentiation and lipid accumulation, and modulated inflammatory and adipokine responses according to differentiation stage and Cd concentration. Our findings suggest that Cd compromises adipose cell homeostasis through mechanisms involving epigenetic dysregulation, oxidative stress imbalance, and altered adipogenic and inflammatory signalling. These observations point to possible long-term metabolic consequences of environmental Cd exposure due to its accumulation in adipose tissue.
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