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.
Gut & Microbiome
Marine & Wildlife
Sign in to save
Microplastic ingestion cause intestinal lesions in the intertidal fish Girella laevifrons
Marine Pollution Bulletin2019
217 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.
Camila Ahrendt,
Diego Pérez‐Venegas,
Camila Ahrendt,
Camila Ahrendt,
Mauricio A. Urbina
Diego Pérez‐Venegas,
Mauricio A. Urbina,
Mauricio A. Urbina,
Mauricio A. Urbina
Camila Ahrendt,
Camila Ahrendt,
José Pulgar,
Diego Pérez‐Venegas,
Mauricio A. Urbina,
Cristóbal Galbán‐Malagón,
Mauricio A. Urbina
Camila Ahrendt,
Mauricio A. Urbina
Mauricio A. Urbina
Mauricio A. Urbina
Mauricio A. Urbina,
Mauricio A. Urbina,
Mauricio A. Urbina,
Camila Ahrendt,
Mauricio A. Urbina
Mauricio A. Urbina,
Mauricio A. Urbina
Camila Ahrendt,
Mauricio A. Urbina,
Diego Pérez‐Venegas,
José Pulgar,
Pedro Echeveste,
Pedro Echeveste,
Carlos González,
Pedro Echeveste,
Pedro Echeveste,
Mauricio A. Urbina,
Mauricio A. Urbina
Diego Pérez‐Venegas,
José Pulgar,
Mauricio A. Urbina
Pedro Echeveste,
Mauricio A. Urbina,
Mauricio A. Urbina,
Mauricio A. Urbina
Mauricio A. Urbina,
Marcela Aldana,
Camila Ahrendt,
Marcela Aldana,
Mauricio A. Urbina
Camila Ahrendt,
Marcela Aldana,
Marcela Aldana,
José Pulgar,
Cristóbal Galbán‐Malagón,
Carlos González,
Mauricio A. Urbina
Cristóbal Galbán‐Malagón,
Mauricio A. Urbina,
Cristóbal Galbán‐Malagón,
Cristóbal Galbán‐Malagón,
Cristóbal Galbán‐Malagón,
Diego Pérez‐Venegas,
Mauricio A. Urbina,
Mauricio A. Urbina
Mauricio A. Urbina
Mauricio A. Urbina,
Mauricio A. Urbina
Mauricio A. Urbina
Mauricio A. Urbina,
Mauricio A. Urbina,
Cristóbal Galbán‐Malagón,
Mauricio A. Urbina,
Mauricio A. Urbina
Summary
Researchers fed juvenile intertidal fish diets containing different concentrations of polystyrene microplastics for 45 days and examined intestinal tissue damage. The study found that microplastic ingestion caused dose-dependent intestinal lesions, including increased immune cell infiltration, tissue swelling, and loss of both crypt and villi cells. The severity of tissue damage increased with higher microplastic concentrations, suggesting physical abrasion as a key mechanism of intestinal injury.
We exposed juvenile intertidal fish to different amounts of Poly(styrene-co-divinylbenzene) microplastics in their diet. We fed ten individuals with pellets containing 0.01 g, another ten fish with pellets containing 0.1 g of PS, and ten fish without plastic as control. After 45 days of treatment, the whole intestine was removed, and the histological evaluation started immediately. We evaluated inflammation due to leukocyte infiltration (Lk), circulatory disorders like Hypermeia (Hyp), and regressive changes in the intestinal tissue, assessing Crypt cell loss (Ccl) and Villi cell loss (Vcl). The severity of the lesions increased according to the microplastic concentration. In the fish group feeding on microplastics, we found that leukocyte infiltration and hyperemia were more severe in the higher exposure group compared to the lower exposure; and crypt cell loss and villi cell loss increased significantly due to Poly(styrene-co-divinylbenzene) microplastic physical abrasion.