.webp&w=384&q=75){kind=logo}
Loading, please wait...
Loading, please wait...
A recent study by Anwar MB et al. examines the combined toxicity of microplastics and fenitrothion in Nile tilapia. Consequently, the researchers found that co-exposure significantly impairs growth and intestinal health. These pollutants are pervasive in aquatic ecosystems and pose a serious threat to food safety. Therefore, understanding their synergistic effects is vital for environmental health monitoring.
Specifically, somatic growth and feed efficiency declined sharply during the 42-day co-exposure period. Moreover, weight gain was notably lower in the co-exposed group than in single-exposure groups. Additionally, this suggests that microplastics may increase the systemic bioavailability of chemical pesticides. This mechanism likely exacerbates the physiological stress observed in aquatic species.
Furthermore, researchers observed severe disruption of the intestinal epithelium in the co-exposed fish. Histopathological assessments revealed a significant depletion of enterocytes and goblet cells. Therefore, this loss of cellular integrity impairs nutrient absorption and further suppresses growth. In addition, molecular analysis showed a downregulation of growth hormone transcripts like gh and igf-1.
As a result, these findings highlight the complex risks of multi-pollutant exposure in the environment. Because Nile tilapia is a common food source, these results raise important public health concerns. Thus, medical professionals should remain aware of how environmental toxins impact the human food chain and metabolic health. Protecting ecosystem health is essential for long-term clinical safety.
The co-exposure of microplastics and pesticides leads to a synergistic suppression of somatic growth. This results in significantly lower weight gain and specific growth rates compared to single-pollutant exposure.
The study found a pronounced disruption of the intestinal epithelium. Key histopathological changes included the depletion of goblet cells and enterocytes, which are crucial for maintaining gut integrity and nutrient absorption.
The GH-IGF axis regulates growth and metabolic processes. The downregulation of transcripts like gh and igf-1 indicates that chemical stress from pollutants disrupts the endocrine pathways necessary for normal development.
Disclaimer: This content is for informational and educational purposes only. It does not constitute medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition. Refer to the latest local and national guidelines for clinical practice.
References
Anwar MB et al. Combined Toxicity of Polyamide Microplastics and Fenitrothion Impairs Growth, Intestinal Integrity, and GH-IGF Axis in Nile Tilapia. Environ Toxicol. 2026 Apr 25. doi: 10.1002/tox.70111. PMID: 42033174.
Kashyap R et al. Pesticide pollution in India: Environmental and health risks, and policy challenges. Toxicol Rep. 2025 Feb 19.
Impact of Microplastics on Human Health: Risks, Diseases, and Affected Body Systems. MDPI. 2025 May 07.
Read summarized clinical updates, watch expert medical content, and earn CME certifications right from your smartphone.
Open your smartphone camera to scan and install.
A study on Nile tilapia reveals that co-exposure to polyamide microplastics and fenitrothion synergistically impairs growth and intestinal integrity....
3 months ago
Andhra Pradesh reported 10 new Covid-19 cases, taking the state tally to 49 while deaths remain at four. With 24 patients hospitalized and 16 under home isolation, the Health Department has intensified monitoring. Medical professionals should review regional distribution, diagnostic protocols, and management plans.
Today
An 11-year Swedish registry study of 618 uterine sarcoma patients found that minimally invasive surgery yielded survival comparable to open surgery in early stages. However, adjuvant chemotherapy conferred no survival benefit in localized or advanced disease, highlighting stage and histology as key outcomes.
3 days back
A cross-sectional study evaluates post-intensive care syndrome in cardiac patients 2-4 weeks post-ICU discharge, highlighting cognitive, psychological, and functional impairments and the need for structured multidisciplinary rehabilitation.
3 days back
Anterior cruciate ligament reconstruction failure lacks uniform definition. A narrative review proposes an integrative framework incorporating objective and subjective instability, persistent pain, restricted motion, graft rupture, and secondary meniscal injury to standardize clinical reporting.
3 days back
With World Obesity Atlas data warning that over 41 million Indian children are overweight or obese, ICMR and NIN have unveiled a 10-point policy roadmap. The initiative calls for mandatory front-of-pack labeling, HFSS taxes, strict marketing bans, and healthier school environments to curb non-communicable diseases.
Today
