Recently, Organovo published a paper detailing their latest research into the effectiveness of 3D printed kidney tissue for in vitro kidney toxicity testing. Detailed in the paper, among other findings, is a proof-of-concept study that demonstrated liver toxicity following treatment with the chemotherapy drug cisplatin, a nephrotoxin that causes loss of tissue viability and epithelial cell function. The side effects and risks of chemotherapy drugs are known, but Organovo was able to block the toxicity effect by administering cimetidine, an antacid used to treat ulcers. Read more at 3DPrint.com: http://3dprint.com/166734/organovo-3d-printed-tissue/