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Nanoplastics and Microplastics May Be Damaging Our Livers
Jianli Yin1, Ye Ju2, Honghao Qian1
1Department of Occupational and Environmental Health, School of Public Health, Jilin University, Changchun 130021, China.
Toxics
|October 26, 2022
Summary
Microplastics (MPs), tiny plastic particles, can enter the human body and harm the liver, the main organ for metabolizing these pollutants. This review details the toxic effects and mechanisms of MPs on liver health.
Area of Science:
- Environmental Science
- Toxicology
- Hepatology
Background:
- Microplastics (MPs) are plastic particles <5 mm, ubiquitous in the environment.
- MPs contaminate various environmental media, leading to human exposure via ingestion and food chains.
- The liver, a key metabolic organ, is significantly involved in processing MPs within the body.
Purpose of the Study:
- To systematically review the toxic effects of MPs on the liver.
- To elucidate the mechanisms underlying MP-induced liver toxicity.
- To consolidate current knowledge on MP hepatotoxicity for future research.
Main Methods:
- Comprehensive literature search on MP exposure and liver toxicity.
- Analysis of studies investigating adverse effects in marine organisms and mammals.
- Synthesis of findings on MP accumulation and damage in liver tissues.
Main Results:
- MPs induce oxidative stress, inflammation, and apoptosis in liver cells.
- Evidence suggests MPs can disrupt liver function and metabolic processes.
- Studies highlight varying toxicological outcomes based on MP type, size, and exposure duration.
Conclusions:
- MPs pose a significant threat to liver health through various mechanisms.
- Further research is needed to fully understand long-term MP exposure effects on the liver.
- This review provides a foundation for assessing and mitigating MP-related liver risks.
