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Human Health Effects
Nanoplastics
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Short-term exposure to polymethylmethacrylate nanoplastics alters muscle antioxidant response, development and growth in Sparus aurata
Marine Pollution Bulletin2021
29 citations
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Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count.
Score: 50
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0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.
Miguel Oliveira
I. Brandts,
Mariana Teles,
I. Brandts,
Camila Barría,
Camila Barría,
I. Brandts,
Miguel Oliveira
Miguel Oliveira
Miguel Oliveira
Miguel Oliveira
Miguel Oliveira
Mariana Teles,
I. Brandts,
Juan Balasch,
I. Brandts,
Camila Barría,
Camila Barría,
I. Brandts,
I. Brandts,
I. Brandts,
I. Brandts,
I. Brandts,
Mariana Teles,
Miguel Oliveira
Miguel Oliveira
Miguel Oliveira
I. Brandts,
Manuel A. Martins,
I. Brandts,
Miguel Oliveira
Miguel Oliveira
Camila Barría,
Miguel Oliveira
Juan Balasch,
Juan Balasch,
Miguel Oliveira
Juan Balasch,
I. Brandts,
Juan Balasch,
Juan Balasch,
Asta Tvarijonaviciute,
Miguel Oliveira
Miguel Oliveira
Miguel Oliveira
Miguel Oliveira
I. Brandts,
I. Brandts,
Mariana Teles,
I. Brandts,
I. Brandts,
Miguel Oliveira
I. Brandts,
I. Brandts,
I. Brandts,
Miguel Oliveira
Lluís Tort,
Miguel Oliveira
Miguel Oliveira
Miguel Oliveira
Miguel Oliveira
Miguel Oliveira
Manuel A. Martins,
Manuel A. Martins,
Manuel A. Martins,
Manuel A. Martins,
Manuel A. Martins,
Camila Barría,
Juan Balasch,
Juan Balasch,
Lluís Tort,
Asta Tvarijonaviciute,
Asta Tvarijonaviciute,
Asta Tvarijonaviciute,
Asta Tvarijonaviciute,
Miguel Oliveira
Asta Tvarijonaviciute,
Asta Tvarijonaviciute,
Manuel A. Martins,
Manuel A. Martins,
Manuel A. Martins,
Manuel A. Martins,
Manuel A. Martins,
Manuel A. Martins,
Manuel A. Martins,
Miguel Oliveira
Miguel Oliveira
Miguel Oliveira
Miguel Oliveira
Miguel Oliveira
Miguel Oliveira
Mariana Teles,
Miguel Oliveira
Miguel Oliveira
Miguel Oliveira
Miguel Oliveira
Asta Tvarijonaviciute,
Manuel A. Martins,
Miguel Oliveira
Lluís Tort,
Miguel Oliveira
Miguel Oliveira
Mariana Teles,
Asta Tvarijonaviciute,
Asta Tvarijonaviciute,
Juan Balasch,
Manuel A. Martins,
Manuel A. Martins,
Manuel A. Martins,
Mariana Teles,
Mariana Teles,
Asta Tvarijonaviciute,
Asta Tvarijonaviciute,
Manuel A. Martins,
Mariana Teles,
Mariana Teles,
Asta Tvarijonaviciute,
Mariana Teles,
Mariana Teles,
Asta Tvarijonaviciute,
Lluís Tort,
Lluís Tort,
Lluís Tort,
Miguel Oliveira
Lluís Tort,
Lluís Tort,
Lluís Tort,
Miguel Oliveira
Miguel Oliveira
Miguel Oliveira
Miguel Oliveira
I. Brandts,
Lluís Tort,
Miguel Oliveira
Miguel Oliveira
Mariana Teles,
Lluís Tort,
Mariana Teles,
Asta Tvarijonaviciute,
Asta Tvarijonaviciute,
Miguel Oliveira
Miguel Oliveira
Manuel A. Martins,
Miguel Oliveira
Miguel Oliveira
Lluís Tort,
Lluís Tort,
Mariana Teles,
Mariana Teles,
Mariana Teles,
Miguel Oliveira
Miguel Oliveira
Miguel Oliveira
Miguel Oliveira
Mariana Teles,
Mariana Teles,
Mariana Teles,
Juan Balasch,
Mariana Teles,
Miguel Oliveira
Mariana Teles,
Mariana Teles,
Mariana Teles,
Mariana Teles,
Mariana Teles,
Lluís Tort,
Miguel Oliveira
Summary
Researchers found that short-term exposure to polymethylmethacrylate nanoplastics altered muscle antioxidant responses, development, and growth gene expression in gilthead sea bream fingerlings at concentrations as low as 0.001 mg/L.
Polymethylmethacrylate (PMMA) plastic fragments have been found abundant in the environment, but the knowledge regarding its effects on the physiology of aquatic animals is still poorly studied. Here the short-term (96 h) effects of waterborne exposure to PMMA nanoplastics (PMMA-NPs) on the muscle of gilthead sea bream (Sparus aurata) fingerlings was evaluated at a concentration range that includes 0.001 up to 10 mg/L. The expression of key transcripts related to cell stress, tissue repair, immune response, antioxidant status and muscle development, together with several biochemical endpoints and metabolic parameters. Results indicate that exposure to PMMA-NPs elicit mildly antioxidant responses, enhanced the acetylcholinesterase (AChE) activity, and inhibited key regulators of muscle development (growth hormone receptors ghr-1/ghr-2 and myostatin, mstn-1 transcripts). However, no effects on pro-inflammatory cytokines (interleukin 1β, il1β and tumor necrosis factor α, tnfα) expression nor on the levels of energetic substrates (glucose, triglycerides and cholesterol) were found.