The Daily Californian - Berkeley Lab scientist grows samples of living tissue to test chemicals for carcinogenicity

June 30, 2015

By Rachel Lew

Excerpt: A team of researchers have developed a method to determine chemicals’ tendency to cause breast cancer: Lawrence Berkeley National Laboratory staff scientist Paul Yaswen and his team — along with researchers at the Silent Spring Institute, the University of Florida and Stanford University — are using stem cells to grow samples of “living” tissue known as organoids, upon which chemicals can be tested. Once the researchers figure out how to best maintain the organoids, they plan to expose them to a series of 18 carcinogenic and noncarcinogenic chemicals to see if they exhibit tumorous growth in the presence of carcinogens.

The goal of their project is to make organoid testing a way to single out chemicals that could cause breast cancer.

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