Cell growth was measured using the MTS assay. LKB1 protein was expressed in LKB1 wild-type Calu-1, H1299 and H1792 cells, but it was undetected in LKB1 mutant A549 and H460 cells.

A paper published by Gregory Stephanopoulos and colleagues 1 in your May 2014 issue described a microfluidic device for screening metabolic activity of cells. The authors put special emphasis on ...