MADR (IMAGE) Cedars-Sinai Medical Center Caption Artist's representation of brain cells of laboratory mice altered by a new technique called mosaic analysis with dual recombinase-mediated cassette exchange, or MADR. Credit Illustration by Giorgio Luciano for Cedars-Sinai. Usage Restrictions With full image credit License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.