First author's surname: YuanRunning head: PPARg ligands ameliorate myocarditisSupported by Natural Science Foundation of China (30170371)Address correspondence to:Zuyi Yuan, MD, PhDDepartment of Cardiovascular Medicine, First Hospital of Xi'an Jiaotong University, Jiankang Road, Xi'an, Shaanxi 710061, ChinaTel: +86-29-532-4021 Fax: +86-29-5263190E-mail: