Mouse Model, Zaki syndrome (IMAGE) University of California - San Diego Caption Images depict effects of Zaki syndrome and treatment with drug CHIR99021. At left, a normal mouse skeleton with legs and tail. At center, a mouse carrying the gene mutation with tail missing. At right, mouse with mutation treated with drug, displaying re-grown tail. Credit Joseph Gleeson, UC San Diego Usage Restrictions Use photo credit License Original 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.