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Article Dans Une Revue Kidney International Année : 2024

Effects of microplastics on the kidneys: A narrative review

Résumé

Micro- and nanoplastics (MPs) are small synthetic organic polymer particles (<5 mm and <1 μm, respectively) that originate directly from plastic compounds or result from the degradation of plastic. These particles are a global concern since they are widely distributed in water, air, food and soil, and recent scientific evidence has linked MPs to negative biological effects. Although these particles are difficult to detect in humans, MPs have been identified in different biological fluids and tissues, such as the placenta, lung, intestines, liver, blood, urine, and kidneys. Human exposure to MPs can occur by ingestion, inhalation, or dermal contact, potentially causing metabolic alterations. Data from experimental and clinical studies have revealed that the ability of MPs to promote inflammation, oxidative stress, and organ dysfunction and negatively affect clinical outcomes is associated with their accumulation in body fluids and tissues. Although evidence of the putative action of MPs in the human kidney is still scarce, there is growing interest in studying MPs in this organ. In addition, chronic kidney disease (CKD) requires investigation because this condition is potentially prone to MP accumulation. The purpose of the present article is (i) to review the general aspects of MP generation, available analytic methods for identification and the main known biological toxic effects and (ii) to describe and critically analyze key experimental and clinical studies that support a role of MPs in kidney disease.
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Dates et versions

hal-04618307 , version 1 (20-06-2024)

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Rodrigo Bueno de Oliveira, Lauter Pelepenko, Daniela Masaro, Glauco M.M. M. Lustosa, Mariana Cassani, et al.. Effects of microplastics on the kidneys: A narrative review. Kidney International, 2024, ⟨10.1016/j.kint.2024.05.023⟩. ⟨hal-04618307⟩
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