Tiny plastic bits hurt important pregnancy cells in a lab
Exposure of the human placental primary cells to nanoplastics induces cytotoxic effects, an inflammatory response and endocrine disruption.
Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms
Scientists tested tiny plastic particles on human placenta cells to see if they cause harm. The smaller plastic bits were more harmful and made the cells sick, inflamed, and less able to make key pregnancy hormones.
Surprising Findings
The smallest nanoplastics (20 nm) triggered a broader inflammatory response (IL-6 and TNF-α) at high doses, while the larger ones (100 nm) did not.
Many assume bigger particles are more harmful, but here, only the 20 nm particles activated multiple inflammation pathways, showing size matters in unexpected ways.
Practical Takeaways
Pregnant individuals may consider reducing plastic use, especially with food and drinks, to lower nanoplastic exposure.
Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms
Scientists tested tiny plastic particles on human placenta cells to see if they cause harm. The smaller plastic bits were more harmful and made the cells sick, inflamed, and less able to make key pregnancy hormones.
Surprising Findings
The smallest nanoplastics (20 nm) triggered a broader inflammatory response (IL-6 and TNF-α) at high doses, while the larger ones (100 nm) did not.
Many assume bigger particles are more harmful, but here, only the 20 nm particles activated multiple inflammation pathways, showing size matters in unexpected ways.
Practical Takeaways
Pregnant individuals may consider reducing plastic use, especially with food and drinks, to lower nanoplastic exposure.
Publication
Journal
Journal of hazardous materials
Year
2025
Authors
L. Poinsignon, Bertrand Lefrère, Amani Ben-Azzouz, Audrey Chissey, Juliette Colombel, Raja Djelidi, I. Ferecatu, Thierry Fournier, Jean-Louis Beaudeux, Gaëtane Lespes, Amal Zerrad-Saadi
Related Content
Claims (5)
Tiny plastic particles might mess with important pregnancy hormones by lowering levels of a key hormone made by the placenta, which could affect how well a pregnancy progresses.
Tiny plastic particles the size of 20 nanometers seem to trigger more inflammation in human placenta cells than bigger 100-nanometer ones when tested in a lab.
Tiny plastic particles that are 20 nanometers wide can harm human placenta cells in a lab, even at very low levels—and they’re more harmful than slightly bigger 100 nm particles.
Tiny plastic particles can make placenta cells react like they're fighting inflammation, even at very low levels — kind of like how your body reacts when it's fighting off an infection.
Tiny plastic particles might mess with your body's hormones and cause cell damage, which could lead to health problems over time.