To shield the fetus, link a protein to these drugs

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  • RESEARCH HIGHLIGHT

Adding albumin to popular antibody-based medicines helps to block their passage through the placenta.

A close up of pregnant woman’s belly with a cannula in her hand

Antibody-based pharmaceuticals have found applications for treating certain cancers and autoimmune diseases. Credit: Getty

Attaching a small protein to antibody drugs might make the medicines safer for pregnant people.

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doi: https://doi.org/10.1038/d41586-026-02553-x

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