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Article ? AI-assigned paper type based on the abstract. Classification may not be perfect — flag errors using the feedback button. Tier 2 ? Original research — experimental, observational, or case-control study. Direct primary evidence. Marine & Wildlife Sign in to save

Oxidative effects of consuming microplastics in different tissues of white shrimp Litopenaeus vannamei

Marine Pollution Bulletin 2023 22 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count. Score: 55 ? 0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.
Andressa Suanes Seta, Larissa Müller, Larissa Müller, Andressa Suanes Seta, Larissa Müller, Larissa Müller, Marcelo Estrella Josende, Larissa Müller, Larissa Müller, Marcelo Estrella Josende, Ronan Adler Tavella, Marcelo Estrella Josende, Marcelo Estrella Josende, Virgínia Fonseca Pedrosa, Larissa Müller, Flávio Manoel Rodrigues da Silva Júnior Juliane Ventura‐Lima, Juliane Ventura‐Lima, Luís Alberto Romano, Juliane Ventura‐Lima, Marcelo Estrella Josende, Virgínia Fonseca Pedrosa, Juliane Ventura‐Lima, Flávio Manoel Rodrigues da Silva Júnior Juliane Ventura‐Lima, Larissa Müller, Juliane Ventura‐Lima, Luís Alberto Romano, Juliane Ventura‐Lima, Virgínia Fonseca Pedrosa, Wilson Wasielesky, Wilson Wasielesky, Luís Alberto Romano, Marcelo Estrella Josende, Wilson Wasielesky, Juliane Ventura‐Lima, Larissa Müller, Luís Alberto Romano, Juliane Ventura‐Lima, Wilson Wasielesky, Ronan Adler Tavella, Ronan Adler Tavella, Flávio Manoel Rodrigues da Silva Júnior Flávio Manoel Rodrigues da Silva Júnior

Summary

Researchers fed white shrimp diets containing polystyrene microplastics and found the particles accumulated in gills, muscles, and the hepatopancreas. The microplastics triggered oxidative stress, DNA damage, and lipid damage in multiple tissues, along with visible tissue abnormalities including edema and immune cell infiltration. The study demonstrates that dietary microplastic exposure can cause widespread oxidative harm across different organ systems in commercially important shellfish.

Polymers
PS
Body Systems
Hepatic Musculoskeletal

In this study, we evaluated the effect of microplastic (MP, polystyrene, 1.1 μm) exposure through diet at two different levels (40 and 400 μg MP/kg of ration) in the shrimp Litopenaeus vannamei for seven days. After the exposure period, oxidative stress parameters, histological alterations, and MP accumulation in different shrimp tissues (gut, gills, hepatopancreas, and muscle) were also evaluated. The results showed that MP was detected in the gills, muscles, and hepatopancreas. In addition, in the gut, gills, and hepatopancreas, disruption in redox cells was observed. Also, lipid and DNA damage was evident in the hepatopancreas. Histopathological analysis revealed edema in the intestine, hepatopancreas, and in the muscle. Granuloma formation with infiltrated hemocytes occurred in the intestine and hepatopancreas. These results show that MP exposure can affect the health and welfare of L. vannamei and may also affect the final consumers once MP is accumulated.

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