Topics
toxicity testing
July 14, 2022
Microplastic experts review mammalian in vivo effect studies and develop non-regulatory health-based screening level value for microplastics in drinking water; scientists provide research recommendations to better understand microplastic toxicity, effect levels, and potential health risks to humans and aquatic ecosystems; review discusses nanoplastics’ role in food allergy
Reading time: 5 minutes
June 21, 2022
Two in vitro studies analyze plastic particle effects using human cells; find polystyrene (PS) particles change metabolism of human colon cells similar to a carcinogen; PS nanoplastics may have cytotoxic and genotoxic potential on human blood lymphocytes; mouse study indicates microplastics increase risk of insulin resistance; researchers calculate particle ingestion from takeaway containers
Reading time: 4 minutes
May 9, 2022
Scientists present and discuss ongoing projects and findings on microplastics; includes research focuses on environmental abundance and health
Reading time: 1 minute
April 7, 2022
Researchers review association between endocrine-disrupting chemical (EDC) exposure, specifically per- and polyfluoroalkyl substances (PFAS) and parabens, and breast cancer development; report structural racism increases EDC exposure of marginalized communities; emphasize need for considering socially disadvantaged populations in research to mitigate exposure and improve breast cancer disparities; review finds bisphenol A (BPA) replacements BPS and BPF as carcinogenic as BPA
Reading time: 3 minutes
April 6, 2022
First human biomonitoring study encounters plastic particles of four different polymer types in human blood; in vivo study reports polystyrene nanoparticles pass blood-brain barrier and induce neurotoxicity in mice; review summarizes plastic particle and titanium dioxide impacts on human gut epithelial integrity, gut homeostasis, and intestinal inflammation
Reading time: 4 minutes
February 21, 2022
Scientific study reports that gut passages change polyethylene terephthalate (PET) microplastics morphology and alter human microbial colonic community composition; another study finds polyethylene (PE) microplastics to accumulate in the brain and induce autism spectrum disorder-like symptoms using a mouse model
Reading time: 4 minutes
January 26, 2022
Researchers analyze plastic extracts for their chemical composition and promotion of obesity; find one-third induce fat production (adipogenesis); detect several thousand chemicals in the extracts, including known metabolism-disrupting chemicals
Reading time: 2 minutes
January 25, 2022
Research studies show maternal polystyrene (PS) particle exposure can cause testicular and hepatic toxicity in male mouse offspring; report PS microplastics affect rat ovary function; find correlation between human fecal microplastics levels and Inflammatory Bowel Disease; reviews summarize potential human health effects; study develops a tool to screen and prioritize micro-and nanoplastics toxicity studies for human health risks evaluation
Reading time: 7 minutes
December 21, 2021
International Pollution Elimination Network and partners publish two studies investigating toxic substances in plastic pellets; virgin plastic pellets recovered from beaches on six continents all contain polychlorinated biphenyls (PCBs) and endocrine-disrupting UV stabilizers; over half of the samples of recycled high-density polyethylene (HDPE) pellets contain at least 11 out of 18 flame retardants and UV stabilizers assessed
Reading time: 3 minutes
December 14, 2021
Rapid review assesses microplastics impacts on human cells and reports thresholds of effects lower than previously predicted; scientific study finds polystyrene (PS) microplastics to have nephrotoxic potential; reproduction and fertility study with mice reports PS microplastics to affect females more than males
Topics: microplastics, toxicity testing
Reading time: 3 minutes
