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Microplastics-Induced Eryptosis and Poikilocytosis in Early-Juvenile Nile Tilapia (Oreochromis niloticus)

Frontiers in Physiology 2021 49 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count. Score: 50 ? 0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.
Mohamed Hamed, Mohamed Hamed, Mohamed Hamed, Mohamed Hamed, Mohamed Hamed, Hamdy A. M. Soliman, Alaa El‐Din H. Sayed Mohamed Hamed, Mohamed Hamed, Mohamed Hamed, Mohamed Hamed, Alaa El‐Din H. Sayed Mohamed Hamed, Mohamed Hamed, Alaa El‐Din H. Sayed Alaa El‐Din H. Sayed Alaa El‐Din H. Sayed Alaa El‐Din H. Sayed Alaa El‐Din H. Sayed Alaa El‐Din H. Sayed Alaa El‐Din H. Sayed Alaa El‐Din H. Sayed Alaa El‐Din H. Sayed Mohamed Hamed, Ahmed E. A. Badrey, Mohamed Hamed, Alaa El‐Din H. Sayed Alaa El‐Din H. Sayed Alaa El‐Din H. Sayed Alaa El‐Din H. Sayed Mohamed Hamed, Mohamed Hamed, Mohamed Hamed, Mohamed Hamed, Mohamed Hamed, Mohamed Hamed, Mohamed Hamed, Mohamed Hamed, Ahmed E. A. Badrey, Alaa G. M. Osman, Hamdy A. M. Soliman, Hamdy A. M. Soliman, Hamdy A. M. Soliman, Hamdy A. M. Soliman, Hamdy A. M. Soliman, Hamdy A. M. Soliman, Hamdy A. M. Soliman, Mohamed Hamed, Alaa El‐Din H. Sayed Alaa El‐Din H. Sayed Alaa El‐Din H. Sayed Alaa El‐Din H. Sayed Alaa G. M. Osman, Alaa G. M. Osman, Alaa G. M. Osman, Alaa G. M. Osman, Ahmed E. A. Badrey, Alaa El‐Din H. Sayed Ahmed E. A. Badrey, Ahmed E. A. Badrey, Ahmed E. A. Badrey, Alaa El‐Din H. Sayed Alaa El‐Din H. Sayed Mohamed Hamed, Alaa El‐Din H. Sayed Hamdy A. M. Soliman, Alaa El‐Din H. Sayed Hamdy A. M. Soliman, Ahmed E. A. Badrey, Alaa G. M. Osman, Hamdy A. M. Soliman, Hamdy A. M. Soliman, Alaa El‐Din H. Sayed Alaa El‐Din H. Sayed Alaa El‐Din H. Sayed Alaa El‐Din H. Sayed Alaa El‐Din H. Sayed Alaa El‐Din H. Sayed Alaa El‐Din H. Sayed Alaa El‐Din H. Sayed Alaa El‐Din H. Sayed Alaa El‐Din H. Sayed Alaa El‐Din H. Sayed Alaa El‐Din H. Sayed Alaa El‐Din H. Sayed Alaa El‐Din H. Sayed Hamdy A. M. Soliman, Alaa El‐Din H. Sayed Alaa El‐Din H. Sayed Alaa El‐Din H. Sayed Alaa El‐Din H. Sayed Alaa G. M. Osman, Alaa El‐Din H. Sayed Hamdy A. M. Soliman, Mohamed Hamed, Hamdy A. M. Soliman, Alaa El‐Din H. Sayed Alaa El‐Din H. Sayed Alaa El‐Din H. Sayed Alaa El‐Din H. Sayed Alaa El‐Din H. Sayed Alaa El‐Din H. Sayed

Summary

Researchers found that microplastic exposure in juvenile Nile tilapia caused dose-dependent increases in eryptosis (red blood cell apoptosis) and poikilocytosis (abnormal cell shapes), establishing these as novel biomarkers for assessing microplastic toxicity in fish.

Body Systems

This study aims to assess the impact of microplastics (MPs) on erythrocytes using eryptosis (apoptosis) and an erythron profile (poikilocytosis and nuclear abnormalities), considered to be novel biomarkers in Nile tilapia (<i>Oreochromis niloticus)</i>. In this study, four groups of fish were used: The first was the control group. In the second group, 1 mg/L of MPs was introduced to the samples. The third group was exposed to 10 mg/L of MPs. Finally, the fourth group was exposed to 100 mg/L of MPs for 15 days, following 15 days of recovery. The fish treated with MPs experienced an immense rise in the eryptosis percentage, poikilocytosis, and nuclear abnormalities of red blood cells (RBCs) compared with the control group in a concentration-dependent manner. Poikilocytosis of MP-exposed groups included sickle cell shape, schistocyte, elliptocyte, acanthocyte, and other shapes. Nuclear abnormalities of the MPs-exposed groups included micronuclei, binucleated erythrocytes, notched, lobed, blebbed, and hemolyzed nuclei. After the recovery period, a greater percentage of eryptosis, poikilocytotic cells, and nuclear abnormalities in RBCs were still evident in the groups exposed to MPs when crosschecked with the control group. The results show concerning facts regarding the toxicity of MPs in tilapia.

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