A human liver-on-a-chip may catch drug reactions that animal testing can’t
The artificial organ, which mimics a real liver, can help predict drug toxicity or safety
![Liver on a chip](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2019/11/110619_TI_liver-chip_feat.jpg?fit=1028%2C579&ssl=1)
A new lab-grown liver on a chip contains two channels – one lined with living liver cells and the other with blood vessel cells – that mimic how the whole organ works. Such liver chips allow scientists to study differences in how rat, dog and human livers respond to drugs.
Wyss Institute at Harvard University