First Western Study Detects Microplastics in 90% of Prostate Cancer Tumors

NYU Langone researchers find microplastics in 90% of prostate tumors, with cancerous tissue holding 2.5x more plastic than healthy prostate tissue.

By: AXL Media

Published: Feb 25, 2026, 5:57 AM EST

Source: The information in this article was sourced from NYU Langone Health / NYU Grossman School of Medicine

A Significant Discovery in Environmental Oncology While microplastics have previously been detected in various human organs and fluids, this study from the NYU Grossman School of Medicine is the first in the West to directly measure and compare plastic levels within prostate tumors and benign tissue. The research team identified plastic particles in 90% of the tumor samples examined, raising urgent questions about how these ubiquitous environmental contaminants influence cellular health and oncogenesis.

Quantifying the Plastic Burden The study utilized specialized instrumentation to identify 12 common plastic molecules in tissue samples from patients undergoing prostate surgery. The data revealed a stark contrast: tumor samples averaged 40 micrograms of plastic per gram of tissue, while noncancerous samples contained significantly less, averaging 16 micrograms. To ensure the accuracy of these findings, the team conducted all testing in ultra-controlled clean rooms, replacing standard plastic laboratory tools with aluminum and cotton alternatives to eliminate the risk of external contamination.

Mechanisms of Cellular Damage Senior author Vittorio Albergamo, PhD, noted that the presence of these particles may trigger chronic inflammation—a known precursor to cancer. When the immune system identifies microplastics as foreign invaders, it may initiate a prolonged inflammatory response that eventually damages DNA and leads to the genetic mutations characteristic of cancer. Researchers are now focused on understanding how these particles interact with the prostate's microenvironment and whether they act as "carriers" for other harmful chemicals.

Ubiquity of Exposure Microplastics enter the human body through several primary pathways: ingestion of contaminated food and water, inhalation of airborne particles, and even skin contact with cosmetics and packaging. As plastics break down through heat or chemical processing, they reach microscopic sizes that allow them to bypass many of the body's natural filters. This study adds to a growing body of evidence linking these particles to severe health outcomes, including previously suggested ties to heart disease and dementia.

Regulatory and Public Health Implications Lead author Stacy Loeb, MD, emphasized that while this pilot study involved a small group of ten patients, the results provide compelling evidence that m...