Cure8

Why This Matters

The study raises the possibility that perinatal exposure to nanoplastics could have lasting, sex-specific effects on gut health and make adult offspring more susceptible to intestinal inflammation. This may be relevant as environmental plastic exposure is widespread and increasing.

Who Should Pay Attention

Researchers (environmental toxicology, IBD, microbiome), clinicians interested in early-life risk factors for IBD, and parents/caregivers concerned about prenatal and early-life environmental exposures.

Study Snapshot

Story typeResearch paper
Evidence typeResearch paper
Source depthMetadata only

What To Know

This open-access animal study reports that giving pregnant and lactating mice oral 50 nm polystyrene nanoparticles (pristine or weathered) led to long-term changes in offspring gut physiology and worsened adult experimental colitis triggered with DSS.

The authors found increased body weight at PND63 and sex-dependent effects, with weathered particles more harmful in males. The work tests both oral tolerance (ovalbumin) and susceptibility to chemically induced colitis after perinatal exposure.

The study suggests perinatal exposure to nanoplastics can ‘imprint’ lasting changes in gut health in mice, affecting later-life responses to intestinal injury and showing sexual dimorphism.

Keep In Mind

Animal-model findings using controlled exposures and DSS-induced colitis provide mechanistic insight but cannot alone establish human risk. Dose comparisons, exposure routes, and species differences limit direct applicability; further human-focused research is needed.

Source Details

Review the original publication for the complete reporting, methods, and context.

Read Original Source
Research paper Evidence type derived from source or registry metadata.
PublicationParticle and Fibre Toxicology
PublisherSpringer Science and Business Media LLC
AuthorsMelvin Airaud, Amandine Roldan, Jeanne Le Cléac’h +4 more
Study typeJournal Article
Indexed viaCrossref
Source typeResearch paper
PublishedSep 10, 2026, 12:00 AM
Content availableMetadata only

This Cure8 brief is based on source text from the linked article. Cure8 is informational only and is not a substitute for professional medical advice, diagnosis, or treatment.

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