Absorption Systems was issued a third U.S. patent for its CellPort Technologies portfolio of in vitro test systems. The new patent covers its MRP2 knockdown cell line and extends the patent coverage on the transporter knockdown technology beyond previously issued patents in the U.S., Europe, and Panama. The cell-based test systems are designed to allow drug developers to definitively predict the risk of clinical drug-drug interactions (DDIs) involving drug transporters.   The newly patented in v...