Accurate. Relevant. Human. Yecuris FRG® KO humanized liver animal technologies provide researchers with essential in vivo and in vitro tools capable of saving precious time during the discovery cycle. Highly customizable with exceptional physiological relevance, FRG® KO animals put the power of a primary-cell chimeric liver model directly in the hands of scientists. Our HepaCur cell products are available fresh on your schedule or frozen. Since 2007, our patented animal technologies have enabled breakthrough science in liver-targeted drug development and toxicolgy. We continue to break new ground partnering with customers seeking answers to their most pressing liver-targeted and toxicology questions.